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/**
* @license
* Video.js 6.6.0 <http://videojs.com/>
* Copyright Brightcove, Inc. <https://www.brightcove.com/>
* Available under Apache License Version 2.0
* <https://github.com/videojs/video.js/blob/master/LICENSE>
*
* Includes vtt.js <https://github.com/mozilla/vtt.js>
* Available under Apache License Version 2.0
* <https://github.com/mozilla/vtt.js/blob/master/LICENSE>
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.videojs = factory());
}(this, (function () {
var version = "6.6.0";
var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var win;
if (typeof window !== "undefined") {
win = window;
} else if (typeof commonjsGlobal !== "undefined") {
win = commonjsGlobal;
} else if (typeof self !== "undefined"){
win = self;
} else {
win = {};
}
var window_1 = win;
var empty = {};
var empty$1 = (Object.freeze || Object)({
'default': empty
});
var minDoc = ( empty$1 && empty ) || empty$1;
var topLevel = typeof commonjsGlobal !== 'undefined' ? commonjsGlobal :
typeof window !== 'undefined' ? window : {};
var doccy;
if (typeof document !== 'undefined') {
doccy = document;
} else {
doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
if (!doccy) {
doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
}
}
var document_1 = doccy;
/**
* @file browser.js
* @module browser
*/
var USER_AGENT = window_1.navigator && window_1.navigator.userAgent || '';
var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;
/*
* Device is an iPhone
*
* @type {Boolean}
* @constant
* @private
*/
var IS_IPAD = /iPad/i.test(USER_AGENT);
// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
// to identify iPhones, we need to exclude iPads.
// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
var IS_IPOD = /iPod/i.test(USER_AGENT);
var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
var IOS_VERSION = function () {
var match = USER_AGENT.match(/OS (\d+)_/i);
if (match && match[1]) {
return match[1];
}
return null;
}();
var IS_ANDROID = /Android/i.test(USER_AGENT);
var ANDROID_VERSION = function () {
// This matches Android Major.Minor.Patch versions
// ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
if (!match) {
return null;
}
var major = match[1] && parseFloat(match[1]);
var minor = match[2] && parseFloat(match[2]);
if (major && minor) {
return parseFloat(match[1] + '.' + match[2]);
} else if (major) {
return major;
}
return null;
}();
// Old Android is defined as Version older than 2.3, and requiring a webkit version of the android browser
var IS_OLD_ANDROID = IS_ANDROID && /webkit/i.test(USER_AGENT) && ANDROID_VERSION < 2.3;
var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;
var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
var IS_EDGE = /Edge/i.test(USER_AGENT);
var IS_CHROME = !IS_EDGE && /Chrome/i.test(USER_AGENT);
var CHROME_VERSION = function () {
var match = USER_AGENT.match(/Chrome\/(\d+)/);
if (match && match[1]) {
return parseFloat(match[1]);
}
return null;
}();
var IS_IE8 = /MSIE\s8\.0/.test(USER_AGENT);
var IE_VERSION = function () {
var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
var version = result && parseFloat(result[1]);
if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
// IE 11 has a different user agent string than other IE versions
version = 11.0;
}
return version;
}();
var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
var IS_ANY_SAFARI = IS_SAFARI || IS_IOS;
var TOUCH_ENABLED = isReal() && ('ontouchstart' in window_1 || window_1.DocumentTouch && window_1.document instanceof window_1.DocumentTouch);
var BACKGROUND_SIZE_SUPPORTED = isReal() && 'backgroundSize' in window_1.document.createElement('video').style;
var browser = (Object.freeze || Object)({
IS_IPAD: IS_IPAD,
IS_IPHONE: IS_IPHONE,
IS_IPOD: IS_IPOD,
IS_IOS: IS_IOS,
IOS_VERSION: IOS_VERSION,
IS_ANDROID: IS_ANDROID,
ANDROID_VERSION: ANDROID_VERSION,
IS_OLD_ANDROID: IS_OLD_ANDROID,
IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
IS_FIREFOX: IS_FIREFOX,
IS_EDGE: IS_EDGE,
IS_CHROME: IS_CHROME,
CHROME_VERSION: CHROME_VERSION,
IS_IE8: IS_IE8,
IE_VERSION: IE_VERSION,
IS_SAFARI: IS_SAFARI,
IS_ANY_SAFARI: IS_ANY_SAFARI,
TOUCH_ENABLED: TOUCH_ENABLED,
BACKGROUND_SIZE_SUPPORTED: BACKGROUND_SIZE_SUPPORTED
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var possibleConstructorReturn = function (self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
var taggedTemplateLiteralLoose = function (strings, raw) {
strings.raw = raw;
return strings;
};
/**
* @file obj.js
* @module obj
*/
/**
* @callback obj:EachCallback
*
* @param {Mixed} value
* The current key for the object that is being iterated over.
*
* @param {string} key
* The current key-value for object that is being iterated over
*/
/**
* @callback obj:ReduceCallback
*
* @param {Mixed} accum
* The value that is accumulating over the reduce loop.
*
* @param {Mixed} value
* The current key for the object that is being iterated over.
*
* @param {string} key
* The current key-value for object that is being iterated over
*
* @return {Mixed}
* The new accumulated value.
*/
var toString = Object.prototype.toString;
/**
* Get the keys of an Object
*
* @param {Object}
* The Object to get the keys from
*
* @return {string[]}
* An array of the keys from the object. Returns an empty array if the
* object passed in was invalid or had no keys.
*
* @private
*/
var keys = function keys(object) {
return isObject(object) ? Object.keys(object) : [];
};
/**
* Array-like iteration for objects.
*
* @param {Object} object
* The object to iterate over
*
* @param {obj:EachCallback} fn
* The callback function which is called for each key in the object.
*/
function each(object, fn) {
keys(object).forEach(function (key) {
return fn(object[key], key);
});
}
/**
* Array-like reduce for objects.
*
* @param {Object} object
* The Object that you want to reduce.
*
* @param {Function} fn
* A callback function which is called for each key in the object. It
* receives the accumulated value and the per-iteration value and key
* as arguments.
*
* @param {Mixed} [initial = 0]
* Starting value
*
* @return {Mixed}
* The final accumulated value.
*/
function reduce(object, fn) {
var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
return keys(object).reduce(function (accum, key) {
return fn(accum, object[key], key);
}, initial);
}
/**
* Object.assign-style object shallow merge/extend.
*
* @param {Object} target
* @param {Object} ...sources
* @return {Object}
*/
function assign(target) {
for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
sources[_key - 1] = arguments[_key];
}
if (Object.assign) {
return Object.assign.apply(Object, [target].concat(sources));
}
sources.forEach(function (source) {
if (!source) {
return;
}
each(source, function (value, key) {
target[key] = value;
});
});
return target;
}
/**
* Returns whether a value is an object of any kind - including DOM nodes,
* arrays, regular expressions, etc. Not functions, though.
*
* This avoids the gotcha where using `typeof` on a `null` value
* results in `'object'`.
*
* @param {Object} value
* @return {Boolean}
*/
function isObject(value) {
return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object';
}
/**
* Returns whether an object appears to be a "plain" object - that is, a
* direct instance of `Object`.
*
* @param {Object} value
* @return {Boolean}
*/
function isPlain(value) {
return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
}
/**
* @file log.js
* @module log
*/
var log = void 0;
// This is the private tracking variable for logging level.
var level = 'info';
// This is the private tracking variable for the logging history.
var history = [];
/**
* Log messages to the console and history based on the type of message
*
* @private
* @param {string} type
* The name of the console method to use.
*
* @param {Array} args
* The arguments to be passed to the matching console method.
*
* @param {boolean} [stringify]
* By default, only old IEs should get console argument stringification,
* but this is exposed as a parameter to facilitate testing.
*/
var logByType = function logByType(type, args) {
var stringify = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : !!IE_VERSION && IE_VERSION < 11;
var lvl = log.levels[level];
var lvlRegExp = new RegExp('^(' + lvl + ')$');
if (type !== 'log') {
// Add the type to the front of the message when it's not "log".
args.unshift(type.toUpperCase() + ':');
}
// Add a clone of the args at this point to history.
if (history) {
history.push([].concat(args));
}
// Add console prefix after adding to history.
args.unshift('VIDEOJS:');
// If there's no console then don't try to output messages, but they will
// still be stored in history.
if (!window_1.console) {
return;
}
// Was setting these once outside of this function, but containing them
// in the function makes it easier to test cases where console doesn't exist
// when the module is executed.
var fn = window_1.console[type];
if (!fn && type === 'debug') {
// Certain browsers don't have support for console.debug. For those, we
// should default to the closest comparable log.
fn = window_1.console.info || window_1.console.log;
}
// Bail out if there's no console or if this type is not allowed by the
// current logging level.
if (!fn || !lvl || !lvlRegExp.test(type)) {
return;
}
// IEs previous to 11 log objects uselessly as "[object Object]"; so, JSONify
// objects and arrays for those less-capable browsers.
if (stringify) {
args = args.map(function (a) {
if (isObject(a) || Array.isArray(a)) {
try {
return JSON.stringify(a);
} catch (x) {
return String(a);
}
}
// Cast to string before joining, so we get null and undefined explicitly
// included in output (as we would in a modern console).
return String(a);
}).join(' ');
}
// Old IE versions do not allow .apply() for console methods (they are
// reported as objects rather than functions).
if (!fn.apply) {
fn(args);
} else {
fn[Array.isArray(args) ? 'apply' : 'call'](window_1.console, args);
}
};
/**
* Logs plain debug messages. Similar to `console.log`.
*
* @class
* @param {Mixed[]} args
* One or more messages or objects that should be logged.
*/
log = function log() {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
logByType('log', args);
};
/**
* Enumeration of available logging levels, where the keys are the level names
* and the values are `|`-separated strings containing logging methods allowed
* in that logging level. These strings are used to create a regular expression
* matching the function name being called.
*
* Levels provided by video.js are:
*
* - `off`: Matches no calls. Any value that can be cast to `false` will have
* this effect. The most restrictive.
* - `all`: Matches only Video.js-provided functions (`debug`, `log`,
* `log.warn`, and `log.error`).
* - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.
* - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.
* - `warn`: Matches `log.warn` and `log.error` calls.
* - `error`: Matches only `log.error` calls.
*
* @type {Object}
*/
log.levels = {
all: 'debug|log|warn|error',
off: '',
debug: 'debug|log|warn|error',
info: 'log|warn|error',
warn: 'warn|error',
error: 'error',
DEFAULT: level
};
/**
* Get or set the current logging level. If a string matching a key from
* {@link log.levels} is provided, acts as a setter. Regardless of argument,
* returns the current logging level.
*
* @param {string} [lvl]
* Pass to set a new logging level.
*
* @return {string}
* The current logging level.
*/
log.level = function (lvl) {
if (typeof lvl === 'string') {
if (!log.levels.hasOwnProperty(lvl)) {
throw new Error('"' + lvl + '" in not a valid log level');
}
level = lvl;
}
return level;
};
/**
* Returns an array containing everything that has been logged to the history.
*
* This array is a shallow clone of the internal history record. However, its
* contents are _not_ cloned; so, mutating objects inside this array will
* mutate them in history.
*
* @return {Array}
*/
log.history = function () {
return history ? [].concat(history) : [];
};
/**
* Clears the internal history tracking, but does not prevent further history
* tracking.
*/
log.history.clear = function () {
if (history) {
history.length = 0;
}
};
/**
* Disable history tracking if it is currently enabled.
*/
log.history.disable = function () {
if (history !== null) {
history.length = 0;
history = null;
}
};
/**
* Enable history tracking if it is currently disabled.
*/
log.history.enable = function () {
if (history === null) {
history = [];
}
};
/**
* Logs error messages. Similar to `console.error`.
*
* @param {Mixed[]} args
* One or more messages or objects that should be logged as an error
*/
log.error = function () {
for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
return logByType('error', args);
};
/**
* Logs warning messages. Similar to `console.warn`.
*
* @param {Mixed[]} args
* One or more messages or objects that should be logged as a warning.
*/
log.warn = function () {
for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
args[_key3] = arguments[_key3];
}
return logByType('warn', args);
};
/**
* Logs debug messages. Similar to `console.debug`, but may also act as a comparable
* log if `console.debug` is not available
*
* @param {Mixed[]} args
* One or more messages or objects that should be logged as debug.
*/
log.debug = function () {
for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
args[_key4] = arguments[_key4];
}
return logByType('debug', args);
};
var log$1 = log;
function clean (s) {
return s.replace(/\n\r?\s*/g, '')
}
var tsml = function tsml (sa) {
var s = ''
, i = 0;
for (; i < arguments.length; i++)
s += clean(sa[i]) + (arguments[i + 1] || '');
return s
};
/**
* @file computed-style.js
* @module computed-style
*/
/**
* A safe getComputedStyle with an IE8 fallback.
*
* This is needed because in Firefox, if the player is loaded in an iframe with
* `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to
* make sure that the player doesn't break in these cases.
*
* @param {Element} el
* The element you want the computed style of
*
* @param {string} prop
* The property name you want
*
* @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
*
* @static
* @const
*/
function computedStyle(el, prop) {
if (!el || !prop) {
return '';
}
if (typeof window_1.getComputedStyle === 'function') {
var cs = window_1.getComputedStyle(el);
return cs ? cs[prop] : '';
}
return el.currentStyle[prop] || '';
}
var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.']);
/**
* @file dom.js
* @module dom
*/
/**
* Detect if a value is a string with any non-whitespace characters.
*
* @param {string} str
* The string to check
*
* @return {boolean}
* - True if the string is non-blank
* - False otherwise
*
*/
function isNonBlankString(str) {
return typeof str === 'string' && /\S/.test(str);
}
/**
* Throws an error if the passed string has whitespace. This is used by
* class methods to be relatively consistent with the classList API.
*
* @param {string} str
* The string to check for whitespace.
*
* @throws {Error}
* Throws an error if there is whitespace in the string.
*
*/
function throwIfWhitespace(str) {
if (/\s/.test(str)) {
throw new Error('class has illegal whitespace characters');
}
}
/**
* Produce a regular expression for matching a className within an elements className.
*
* @param {string} className
* The className to generate the RegExp for.
*
* @return {RegExp}
* The RegExp that will check for a specific `className` in an elements
* className.
*/
function classRegExp(className) {
return new RegExp('(^|\\s)' + className + '($|\\s)');
}
/**
* Whether the current DOM interface appears to be real.
*
* @return {Boolean}
*/
function isReal() {
return (
// Both document and window will never be undefined thanks to `global`.
document_1 === window_1.document &&
// In IE < 9, DOM methods return "object" as their type, so all we can
// confidently check is that it exists.
typeof document_1.createElement !== 'undefined'
);
}
/**
* Determines, via duck typing, whether or not a value is a DOM element.
*
* @param {Mixed} value
* The thing to check
*
* @return {boolean}
* - True if it is a DOM element
* - False otherwise
*/
function isEl(value) {
return isObject(value) && value.nodeType === 1;
}
/**
* Determines if the current DOM is embedded in an iframe.
*
* @return {boolean}
*
*/
function isInFrame() {
// We need a try/catch here because Safari will throw errors when attempting
// to get either `parent` or `self`
try {
return window_1.parent !== window_1.self;
} catch (x) {
return true;
}
}
/**
* Creates functions to query the DOM using a given method.
*
* @param {string} method
* The method to create the query with.
*
* @return {Function}
* The query method
*/
function createQuerier(method) {
return function (selector, context) {
if (!isNonBlankString(selector)) {
return document_1[method](null);
}
if (isNonBlankString(context)) {
context = document_1.querySelector(context);
}
var ctx = isEl(context) ? context : document_1;
return ctx[method] && ctx[method](selector);
};
}
/**
* Creates an element and applies properties.
*
* @param {string} [tagName='div']
* Name of tag to be created.
*
* @param {Object} [properties={}]
* Element properties to be applied.
*
* @param {Object} [attributes={}]
* Element attributes to be applied.
*
* @param {String|Element|TextNode|Array|Function} [content]
* Contents for the element (see: {@link dom:normalizeContent})
*
* @return {Element}
* The element that was created.
*/
function createEl() {
var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
var content = arguments[3];
var el = document_1.createElement(tagName);
Object.getOwnPropertyNames(properties).forEach(function (propName) {
var val = properties[propName];
// See #2176
// We originally were accepting both properties and attributes in the
// same object, but that doesn't work so well.
if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
log$1.warn(tsml(_templateObject, propName, val));
el.setAttribute(propName, val);
// Handle textContent since it's not supported everywhere and we have a
// method for it.
} else if (propName === 'textContent') {
textContent(el, val);
} else {
el[propName] = val;
}
});
Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
el.setAttribute(attrName, attributes[attrName]);
});
if (content) {
appendContent(el, content);
}
return el;
}
/**
* Injects text into an element, replacing any existing contents entirely.
*
* @param {Element} el
* The element to add text content into
*
* @param {string} text
* The text content to add.
*
* @return {Element}
* The element with added text content.
*/
function textContent(el, text) {
if (typeof el.textContent === 'undefined') {
el.innerText = text;
} else {
el.textContent = text;
}
return el;
}
/**
* Insert an element as the first child node of another
*
* @param {Element} child
* Element to insert
*
* @param {Element} parent
* Element to insert child into
*/
function prependTo(child, parent) {
if (parent.firstChild) {
parent.insertBefore(child, parent.firstChild);
} else {
parent.appendChild(child);
}
}
/**
* Check if an element has a CSS class
*
* @param {Element} element
* Element to check
*
* @param {string} classToCheck
* Class name to check for
*
* @return {boolean}
* - True if the element had the class
* - False otherwise.
*
* @throws {Error}
* Throws an error if `classToCheck` has white space.
*/
function hasClass(element, classToCheck) {
throwIfWhitespace(classToCheck);
if (element.classList) {
return element.classList.contains(classToCheck);
}
return classRegExp(classToCheck).test(element.className);
}
/**
* Add a CSS class name to an element
*
* @param {Element} element
* Element to add class name to.
*
* @param {string} classToAdd
* Class name to add.
*
* @return {Element}
* The dom element with the added class name.
*/
function addClass(element, classToAdd) {
if (element.classList) {
element.classList.add(classToAdd);
// Don't need to `throwIfWhitespace` here because `hasElClass` will do it
// in the case of classList not being supported.
} else if (!hasClass(element, classToAdd)) {
element.className = (element.className + ' ' + classToAdd).trim();
}
return element;
}
/**
* Remove a CSS class name from an element
*
* @param {Element} element
* Element to remove a class name from.
*
* @param {string} classToRemove
* Class name to remove
*
* @return {Element}
* The dom element with class name removed.
*/
function removeClass(element, classToRemove) {
if (element.classList) {
element.classList.remove(classToRemove);
} else {
throwIfWhitespace(classToRemove);
element.className = element.className.split(/\s+/).filter(function (c) {
return c !== classToRemove;
}).join(' ');
}
return element;
}
/**
* The callback definition for toggleElClass.
*
* @callback Dom~PredicateCallback
* @param {Element} element
* The DOM element of the Component.
*
* @param {string} classToToggle
* The `className` that wants to be toggled
*
* @return {boolean|undefined}
* - If true the `classToToggle` will get added to `element`.
* - If false the `classToToggle` will get removed from `element`.
* - If undefined this callback will be ignored
*/
/**
* Adds or removes a CSS class name on an element depending on an optional
* condition or the presence/absence of the class name.
*
* @param {Element} element
* The element to toggle a class name on.
*
* @param {string} classToToggle
* The class that should be toggled
*
* @param {boolean|PredicateCallback} [predicate]
* See the return value for {@link Dom~PredicateCallback}
*
* @return {Element}
* The element with a class that has been toggled.
*/
function toggleClass(element, classToToggle, predicate) {
// This CANNOT use `classList` internally because IE does not support the
// second parameter to the `classList.toggle()` method! Which is fine because
// `classList` will be used by the add/remove functions.
var has = hasClass(element, classToToggle);
if (typeof predicate === 'function') {
predicate = predicate(element, classToToggle);
}
if (typeof predicate !== 'boolean') {
predicate = !has;
}
// If the necessary class operation matches the current state of the
// element, no action is required.
if (predicate === has) {
return;
}
if (predicate) {
addClass(element, classToToggle);
} else {
removeClass(element, classToToggle);
}
return element;
}
/**
* Apply attributes to an HTML element.
*
* @param {Element} el
* Element to add attributes to.
*
* @param {Object} [attributes]
* Attributes to be applied.
*/
function setAttributes(el, attributes) {
Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
var attrValue = attributes[attrName];
if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
el.removeAttribute(attrName);
} else {
el.setAttribute(attrName, attrValue === true ? '' : attrValue);
}
});
}
/**
* Get an element's attribute values, as defined on the HTML tag
* Attributes are not the same as properties. They're defined on the tag
* or with setAttribute (which shouldn't be used with HTML)
* This will return true or false for boolean attributes.
*
* @param {Element} tag
* Element from which to get tag attributes.
*
* @return {Object}
* All attributes of the element.
*/
function getAttributes(tag) {
var obj = {};
// known boolean attributes
// we can check for matching boolean properties, but older browsers
// won't know about HTML5 boolean attributes that we still read from
var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';
if (tag && tag.attributes && tag.attributes.length > 0) {
var attrs = tag.attributes;
for (var i = attrs.length - 1; i >= 0; i--) {
var attrName = attrs[i].name;
var attrVal = attrs[i].value;
// check for known booleans
// the matching element property will return a value for typeof
if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
// the value of an included boolean attribute is typically an empty
// string ('') which would equal false if we just check for a false value.
// we also don't want support bad code like autoplay='false'
attrVal = attrVal !== null ? true : false;
}
obj[attrName] = attrVal;
}
}
return obj;
}
/**
* Get the value of an element's attribute
*
* @param {Element} el
* A DOM element
*
* @param {string} attribute
* Attribute to get the value of
*
* @return {string}
* value of the attribute
*/
function getAttribute(el, attribute) {
return el.getAttribute(attribute);
}
/**
* Set the value of an element's attribute
*
* @param {Element} el
* A DOM element
*
* @param {string} attribute
* Attribute to set
*
* @param {string} value
* Value to set the attribute to
*/
function setAttribute(el, attribute, value) {
el.setAttribute(attribute, value);
}
/**
* Remove an element's attribute
*
* @param {Element} el
* A DOM element
*
* @param {string} attribute
* Attribute to remove
*/
function removeAttribute(el, attribute) {
el.removeAttribute(attribute);
}
/**
* Attempt to block the ability to select text while dragging controls
*/
function blockTextSelection() {
document_1.body.focus();
document_1.onselectstart = function () {
return false;
};
}
/**
* Turn off text selection blocking
*/
function unblockTextSelection() {
document_1.onselectstart = function () {
return true;
};
}
/**
* Identical to the native `getBoundingClientRect` function, but ensures that
* the method is supported at all (it is in all browsers we claim to support)
* and that the element is in the DOM before continuing.
*
* This wrapper function also shims properties which are not provided by some
* older browsers (namely, IE8).
*
* Additionally, some browsers do not support adding properties to a
* `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
* properties (except `x` and `y` which are not widely supported). This helps
* avoid implementations where keys are non-enumerable.
*
* @param {Element} el
* Element whose `ClientRect` we want to calculate.
*
* @return {Object|undefined}
* Always returns a plain
*/
function getBoundingClientRect(el) {
if (el && el.getBoundingClientRect && el.parentNode) {
var rect = el.getBoundingClientRect();
var result = {};
['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
if (rect[k] !== undefined) {
result[k] = rect[k];
}
});
if (!result.height) {
result.height = parseFloat(computedStyle(el, 'height'));
}
if (!result.width) {
result.width = parseFloat(computedStyle(el, 'width'));
}
return result;
}
}
/**
* The postion of a DOM element on the page.
*
* @typedef {Object} module:dom~Position
*
* @property {number} left
* Pixels to the left
*
* @property {number} top
* Pixels on top
*/
/**
* Offset Left.
* getBoundingClientRect technique from
* John Resig
*
* @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
*
* @param {Element} el
* Element from which to get offset
*
* @return {module:dom~Position}
* The position of the element that was passed in.
*/
function findPosition(el) {
var box = void 0;
if (el.getBoundingClientRect && el.parentNode) {
box = el.getBoundingClientRect();
}
if (!box) {
return {
left: 0,
top: 0
};
}
var docEl = document_1.documentElement;
var body = document_1.body;
var clientLeft = docEl.clientLeft || body.clientLeft || 0;
var scrollLeft = window_1.pageXOffset || body.scrollLeft;
var left = box.left + scrollLeft - clientLeft;
var clientTop = docEl.clientTop || body.clientTop || 0;
var scrollTop = window_1.pageYOffset || body.scrollTop;
var top = box.top + scrollTop - clientTop;
// Android sometimes returns slightly off decimal values, so need to round
return {
left: Math.round(left),
top: Math.round(top)
};
}
/**
* x and y coordinates for a dom element or mouse pointer
*
* @typedef {Object} Dom~Coordinates
*
* @property {number} x
* x coordinate in pixels
*
* @property {number} y
* y coordinate in pixels
*/
/**
* Get pointer position in element
* Returns an object with x and y coordinates.
* The base on the coordinates are the bottom left of the element.
*
* @param {Element} el
* Element on which to get the pointer position on
*
* @param {EventTarget~Event} event
* Event object
*
* @return {Dom~Coordinates}
* A Coordinates object corresponding to the mouse position.
*
*/
function getPointerPosition(el, event) {
var position = {};
var box = findPosition(el);
var boxW = el.offsetWidth;
var boxH = el.offsetHeight;
var boxY = box.top;
var boxX = box.left;
var pageY = event.pageY;
var pageX = event.pageX;
if (event.changedTouches) {
pageX = event.changedTouches[0].pageX;
pageY = event.changedTouches[0].pageY;
}
position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));
position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));
return position;
}
/**
* Determines, via duck typing, whether or not a value is a text node.
*
* @param {Mixed} value
* Check if this value is a text node.
*
* @return {boolean}
* - True if it is a text node
* - False otherwise
*/
function isTextNode(value) {
return isObject(value) && value.nodeType === 3;
}
/**
* Empties the contents of an element.
*
* @param {Element} el
* The element to empty children from
*
* @return {Element}
* The element with no children
*/
function emptyEl(el) {
while (el.firstChild) {
el.removeChild(el.firstChild);
}
return el;
}
/**
* Normalizes content for eventual insertion into the DOM.
*
* This allows a wide range of content definition methods, but protects
* from falling into the trap of simply writing to `innerHTML`, which is
* an XSS concern.
*
* The content for an element can be passed in multiple types and
* combinations, whose behavior is as follows:
*
* @param {String|Element|TextNode|Array|Function} content
* - String: Normalized into a text node.
* - Element/TextNode: Passed through.
* - Array: A one-dimensional array of strings, elements, nodes, or functions
* (which return single strings, elements, or nodes).
* - Function: If the sole argument, is expected to produce a string, element,
* node, or array as defined above.
*
* @return {Array}
* All of the content that was passed in normalized.
*/
function normalizeContent(content) {
// First, invoke content if it is a function. If it produces an array,
// that needs to happen before normalization.
if (typeof content === 'function') {
content = content();
}
// Next up, normalize to an array, so one or many items can be normalized,
// filtered, and returned.
return (Array.isArray(content) ? content : [content]).map(function (value) {
// First, invoke value if it is a function to produce a new value,
// which will be subsequently normalized to a Node of some kind.
if (typeof value === 'function') {
value = value();
}
if (isEl(value) || isTextNode(value)) {
return value;
}
if (typeof value === 'string' && /\S/.test(value)) {
return document_1.createTextNode(value);
}
}).filter(function (value) {
return value;
});
}
/**
* Normalizes and appends content to an element.
*
* @param {Element} el
* Element to append normalized content to.
*
*
* @param {String|Element|TextNode|Array|Function} content
* See the `content` argument of {@link dom:normalizeContent}
*
* @return {Element}
* The element with appended normalized content.
*/
function appendContent(el, content) {
normalizeContent(content).forEach(function (node) {
return el.appendChild(node);
});
return el;
}
/**
* Normalizes and inserts content into an element; this is identical to
* `appendContent()`, except it empties the element first.
*
* @param {Element} el
* Element to insert normalized content into.
*
* @param {String|Element|TextNode|Array|Function} content
* See the `content` argument of {@link dom:normalizeContent}
*
* @return {Element}
* The element with inserted normalized content.
*
*/
function insertContent(el, content) {
return appendContent(emptyEl(el), content);
}
/**
* Check if event was a single left click
*
* @param {EventTarget~Event} event
* Event object
*
* @return {boolean}
* - True if a left click
* - False if not a left click
*/
function isSingleLeftClick(event) {
// Note: if you create something draggable, be sure to
// call it on both `mousedown` and `mousemove` event,
// otherwise `mousedown` should be enough for a button
if (event.button === undefined && event.buttons === undefined) {
// Why do we need `butttons` ?
// Because, middle mouse sometimes have this:
// e.button === 0 and e.buttons === 4
// Furthermore, we want to prevent combination click, something like
// HOLD middlemouse then left click, that would be
// e.button === 0, e.buttons === 5
// just `button` is not gonna work
// Alright, then what this block does ?
// this is for chrome `simulate mobile devices`
// I want to support this as well
return true;
}
if (event.button === 0 && event.buttons === undefined) {
// Touch screen, sometimes on some specific device, `buttons`
// doesn't have anything (safari on ios, blackberry...)
return true;
}
if (IE_VERSION === 9) {
// Ignore IE9
return true;
}
if (event.button !== 0 || event.buttons !== 1) {
// This is the reason we have those if else block above
// if any special case we can catch and let it slide
// we do it above, when get to here, this definitely
// is-not-left-click
return false;
}
return true;
}
/**
* Finds a single DOM element matching `selector` within the optional
* `context` of another DOM element (defaulting to `document`).
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelector`.
*
* @param {Element|String} [context=document]
* A DOM element within which to query. Can also be a selector
* string in which case the first matching element will be used
* as context. If missing (or no element matches selector), falls
* back to `document`.
*
* @return {Element|null}
* The element that was found or null.
*/
var $ = createQuerier('querySelector');
/**
* Finds a all DOM elements matching `selector` within the optional
* `context` of another DOM element (defaulting to `document`).
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelectorAll`.
*
* @param {Element|String} [context=document]
* A DOM element within which to query. Can also be a selector
* string in which case the first matching element will be used
* as context. If missing (or no element matches selector), falls
* back to `document`.
*
* @return {NodeList}
* A element list of elements that were found. Will be empty if none were found.
*
*/
var $$ = createQuerier('querySelectorAll');
var Dom = (Object.freeze || Object)({
isReal: isReal,
isEl: isEl,
isInFrame: isInFrame,
createEl: createEl,
textContent: textContent,
prependTo: prependTo,
hasClass: hasClass,
addClass: addClass,
removeClass: removeClass,
toggleClass: toggleClass,
setAttributes: setAttributes,
getAttributes: getAttributes,
getAttribute: getAttribute,
setAttribute: setAttribute,
removeAttribute: removeAttribute,
blockTextSelection: blockTextSelection,
unblockTextSelection: unblockTextSelection,
getBoundingClientRect: getBoundingClientRect,
findPosition: findPosition,
getPointerPosition: getPointerPosition,
isTextNode: isTextNode,
emptyEl: emptyEl,
normalizeContent: normalizeContent,
appendContent: appendContent,
insertContent: insertContent,
isSingleLeftClick: isSingleLeftClick,
$: $,
$$: $$
});
/**
* @file guid.js
* @module guid
*/
/**
* Unique ID for an element or function
* @type {Number}
*/
var _guid = 1;
/**
* Get a unique auto-incrementing ID by number that has not been returned before.
*
* @return {number}
* A new unique ID.
*/
function newGUID() {
return _guid++;
}
/**
* @file dom-data.js
* @module dom-data
*/
/**
* Element Data Store.
*
* Allows for binding data to an element without putting it directly on the
* element. Ex. Event listeners are stored here.
* (also from jsninja.com, slightly modified and updated for closure compiler)
*
* @type {Object}
* @private
*/
var elData = {};
/*
* Unique attribute name to store an element's guid in
*
* @type {String}
* @constant
* @private
*/
var elIdAttr = 'vdata' + new Date().getTime();
/**
* Returns the cache object where data for an element is stored
*
* @param {Element} el
* Element to store data for.
*
* @return {Object}
* The cache object for that el that was passed in.
*/
function getData(el) {
var id = el[elIdAttr];
if (!id) {
id = el[elIdAttr] = newGUID();
}
if (!elData[id]) {
elData[id] = {};
}
return elData[id];
}
/**
* Returns whether or not an element has cached data
*
* @param {Element} el
* Check if this element has cached data.
*
* @return {boolean}
* - True if the DOM element has cached data.
* - False otherwise.
*/
function hasData(el) {
var id = el[elIdAttr];
if (!id) {
return false;
}
return !!Object.getOwnPropertyNames(elData[id]).length;
}
/**
* Delete data for the element from the cache and the guid attr from getElementById
*
* @param {Element} el
* Remove cached data for this element.
*/
function removeData(el) {
var id = el[elIdAttr];
if (!id) {
return;
}
// Remove all stored data
delete elData[id];
// Remove the elIdAttr property from the DOM node
try {
delete el[elIdAttr];
} catch (e) {
if (el.removeAttribute) {
el.removeAttribute(elIdAttr);
} else {
// IE doesn't appear to support removeAttribute on the document element
el[elIdAttr] = null;
}
}
}
/**
* @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
* (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
* This should work very similarly to jQuery's events, however it's based off the book version which isn't as
* robust as jquery's, so there's probably some differences.
*
* @module events
*/
/**
* Clean up the listener cache and dispatchers
*
* @param {Element|Object} elem
* Element to clean up
*
* @param {string} type
* Type of event to clean up
*/
function _cleanUpEvents(elem, type) {
var data = getData(elem);
// Remove the events of a particular type if there are none left
if (data.handlers[type].length === 0) {
delete data.handlers[type];
// data.handlers[type] = null;
// Setting to null was causing an error with data.handlers
// Remove the meta-handler from the element
if (elem.removeEventListener) {
elem.removeEventListener(type, data.dispatcher, false);
} else if (elem.detachEvent) {
elem.detachEvent('on' + type, data.dispatcher);
}
}
// Remove the events object if there are no types left
if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
delete data.handlers;
delete data.dispatcher;
delete data.disabled;
}
// Finally remove the element data if there is no data left
if (Object.getOwnPropertyNames(data).length === 0) {
removeData(elem);
}
}
/**
* Loops through an array of event types and calls the requested method for each type.
*
* @param {Function} fn
* The event method we want to use.
*
* @param {Element|Object} elem
* Element or object to bind listeners to
*
* @param {string} type
* Type of event to bind to.
*
* @param {EventTarget~EventListener} callback
* Event listener.
*/
function _handleMultipleEvents(fn, elem, types, callback) {
types.forEach(function (type) {
// Call the event method for each one of the types
fn(elem, type, callback);
});
}
/**
* Fix a native event to have standard property values
*
* @param {Object} event
* Event object to fix.
*
* @return {Object}
* Fixed event object.
*/
function fixEvent(event) {
function returnTrue() {
return true;
}
function returnFalse() {
return false;
}
// Test if fixing up is needed
// Used to check if !event.stopPropagation instead of isPropagationStopped
// But native events return true for stopPropagation, but don't have
// other expected methods like isPropagationStopped. Seems to be a problem
// with the Javascript Ninja code. So we're just overriding all events now.
if (!event || !event.isPropagationStopped) {
var old = event || window_1.event;
event = {};
// Clone the old object so that we can modify the values event = {};
// IE8 Doesn't like when you mess with native event properties
// Firefox returns false for event.hasOwnProperty('type') and other props
// which makes copying more difficult.
// TODO: Probably best to create a whitelist of event props
for (var key in old) {
// Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
// Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
// and webkitMovementX/Y
if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
// Chrome 32+ warns if you try to copy deprecated returnValue, but
// we still want to if preventDefault isn't supported (IE8).
if (!(key === 'returnValue' && old.preventDefault)) {
event[key] = old[key];
}
}
}
// The event occurred on this element
if (!event.target) {
event.target = event.srcElement || document_1;
}
// Handle which other element the event is related to
if (!event.relatedTarget) {
event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
}
// Stop the default browser action
event.preventDefault = function () {
if (old.preventDefault) {
old.preventDefault();
}
event.returnValue = false;
old.returnValue = false;
event.defaultPrevented = true;
};
event.defaultPrevented = false;
// Stop the event from bubbling
event.stopPropagation = function () {
if (old.stopPropagation) {
old.stopPropagation();
}
event.cancelBubble = true;
old.cancelBubble = true;
event.isPropagationStopped = returnTrue;
};
event.isPropagationStopped = returnFalse;
// Stop the event from bubbling and executing other handlers
event.stopImmediatePropagation = function () {
if (old.stopImmediatePropagation) {
old.stopImmediatePropagation();
}
event.isImmediatePropagationStopped = returnTrue;
event.stopPropagation();
};
event.isImmediatePropagationStopped = returnFalse;
// Handle mouse position
if (event.clientX !== null && event.clientX !== undefined) {
var doc = document_1.documentElement;
var body = document_1.body;
event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
}
// Handle key presses
event.which = event.charCode || event.keyCode;
// Fix button for mouse clicks:
// 0 == left; 1 == middle; 2 == right
if (event.button !== null && event.button !== undefined) {
// The following is disabled because it does not pass videojs-standard
// and... yikes.
/* eslint-disable */
event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
/* eslint-enable */
}
}
// Returns fixed-up instance
return event;
}
/**
* Whether passive event listeners are supported
*/
var _supportsPassive = false;
(function () {
try {
var opts = Object.defineProperty({}, 'passive', {
get: function get() {
_supportsPassive = true;
}
});
window_1.addEventListener('test', null, opts);
window_1.removeEventListener('test', null, opts);
} catch (e) {
// disregard
}
})();
/**
* Touch events Chrome expects to be passive
*/
var passiveEvents = ['touchstart', 'touchmove'];
/**
* Add an event listener to element
* It stores the handler function in a separate cache object
* and adds a generic handler to the element's event,
* along with a unique id (guid) to the element.
*
* @param {Element|Object} elem
* Element or object to bind listeners to
*
* @param {string|string[]} type
* Type of event to bind to.
*
* @param {EventTarget~EventListener} fn
* Event listener.
*/
function on(elem, type, fn) {
if (Array.isArray(type)) {
return _handleMultipleEvents(on, elem, type, fn);
}
var data = getData(elem);
// We need a place to store all our handler data
if (!data.handlers) {
data.handlers = {};
}
if (!data.handlers[type]) {
data.handlers[type] = [];
}
if (!fn.guid) {
fn.guid = newGUID();
}
data.handlers[type].push(fn);
if (!data.dispatcher) {
data.disabled = false;
data.dispatcher = function (event, hash) {
if (data.disabled) {
return;
}
event = fixEvent(event);
var handlers = data.handlers[event.type];
if (handlers) {
// Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
var handlersCopy = handlers.slice(0);
for (var m = 0, n = handlersCopy.length; m < n; m++) {
if (event.isImmediatePropagationStopped()) {
break;
} else {
try {
handlersCopy[m].call(elem, event, hash);
} catch (e) {
log$1.error(e);
}
}
}
}
};
}
if (data.handlers[type].length === 1) {
if (elem.addEventListener) {
var options = false;
if (_supportsPassive && passiveEvents.indexOf(type) > -1) {
options = { passive: true };
}
elem.addEventListener(type, data.dispatcher, options);
} else if (elem.attachEvent) {
elem.attachEvent('on' + type, data.dispatcher);
}
}
}
/**
* Removes event listeners from an element
*
* @param {Element|Object} elem
* Object to remove listeners from.
*
* @param {string|string[]} [type]
* Type of listener to remove. Don't include to remove all events from element.
*
* @param {EventTarget~EventListener} [fn]
* Specific listener to remove. Don't include to remove listeners for an event
* type.
*/
function off(elem, type, fn) {
// Don't want to add a cache object through getElData if not needed
if (!hasData(elem)) {
return;
}
var data = getData(elem);
// If no events exist, nothing to unbind
if (!data.handlers) {
return;
}
if (Array.isArray(type)) {
return _handleMultipleEvents(off, elem, type, fn);
}
// Utility function
var removeType = function removeType(el, t) {
data.handlers[t] = [];
_cleanUpEvents(el, t);
};
// Are we removing all bound events?
if (type === undefined) {
for (var t in data.handlers) {
if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
removeType(elem, t);
}
}
return;
}
var handlers = data.handlers[type];
// If no handlers exist, nothing to unbind
if (!handlers) {
return;
}
// If no listener was provided, remove all listeners for type
if (!fn) {
removeType(elem, type);
return;
}
// We're only removing a single handler
if (fn.guid) {
for (var n = 0; n < handlers.length; n++) {
if (handlers[n].guid === fn.guid) {
handlers.splice(n--, 1);
}
}
}
_cleanUpEvents(elem, type);
}
/**
* Trigger an event for an element
*
* @param {Element|Object} elem
* Element to trigger an event on
*
* @param {EventTarget~Event|string} event
* A string (the type) or an event object with a type attribute
*
* @param {Object} [hash]
* data hash to pass along with the event
*
* @return {boolean|undefined}
* - Returns the opposite of `defaultPrevented` if default was prevented
* - Otherwise returns undefined
*/
function trigger(elem, event, hash) {
// Fetches element data and a reference to the parent (for bubbling).
// Don't want to add a data object to cache for every parent,
// so checking hasElData first.
var elemData = hasData(elem) ? getData(elem) : {};
var parent = elem.parentNode || elem.ownerDocument;
// type = event.type || event,
// handler;
// If an event name was passed as a string, creates an event out of it
if (typeof event === 'string') {
event = { type: event, target: elem };
}
// Normalizes the event properties.
event = fixEvent(event);
// If the passed element has a dispatcher, executes the established handlers.
if (elemData.dispatcher) {
elemData.dispatcher.call(elem, event, hash);
}
// Unless explicitly stopped or the event does not bubble (e.g. media events)
// recursively calls this function to bubble the event up the DOM.
if (parent && !event.isPropagationStopped() && event.bubbles === true) {
trigger.call(null, parent, event, hash);
// If at the top of the DOM, triggers the default action unless disabled.
} else if (!parent && !event.defaultPrevented) {
var targetData = getData(event.target);
// Checks if the target has a default action for this event.
if (event.target[event.type]) {
// Temporarily disables event dispatching on the target as we have already executed the handler.
targetData.disabled = true;
// Executes the default action.
if (typeof event.target[event.type] === 'function') {
event.target[event.type]();
}
// Re-enables event dispatching.
targetData.disabled = false;
}
}
// Inform the triggerer if the default was prevented by returning false
return !event.defaultPrevented;
}
/**
* Trigger a listener only once for an event
*
* @param {Element|Object} elem
* Element or object to bind to.
*
* @param {string|string[]} type
* Name/type of event
*
* @param {Event~EventListener} fn
* Event Listener function
*/
function one(elem, type, fn) {
if (Array.isArray(type)) {
return _handleMultipleEvents(one, elem, type, fn);
}
var func = function func() {
off(elem, type, func);
fn.apply(this, arguments);
};
// copy the guid to the new function so it can removed using the original function's ID
func.guid = fn.guid = fn.guid || newGUID();
on(elem, type, func);
}
var Events = (Object.freeze || Object)({
fixEvent: fixEvent,
on: on,
off: off,
trigger: trigger,
one: one
});
/**
* @file setup.js - Functions for setting up a player without
* user interaction based on the data-setup `attribute` of the video tag.
*
* @module setup
*/
var _windowLoaded = false;
var videojs$2 = void 0;
/**
* Set up any tags that have a data-setup `attribute` when the player is started.
*/
var autoSetup = function autoSetup() {
// Protect against breakage in non-browser environments.
if (!isReal()) {
return;
}
// One day, when we stop supporting IE8, go back to this, but in the meantime...*hack hack hack*
// var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
// var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
// var mediaEls = vids.concat(audios);
// Because IE8 doesn't support calling slice on a node list, we need to loop
// through each list of elements to build up a new, combined list of elements.
var vids = document_1.getElementsByTagName('video');
var audios = document_1.getElementsByTagName('audio');
var divs = document_1.getElementsByTagName('video-js');
var mediaEls = [];
if (vids && vids.length > 0) {
for (var i = 0, e = vids.length; i < e; i++) {
mediaEls.push(vids[i]);
}
}
if (audios && audios.length > 0) {
for (var _i = 0, _e = audios.length; _i < _e; _i++) {
mediaEls.push(audios[_i]);
}
}
if (divs && divs.length > 0) {
for (var _i2 = 0, _e2 = divs.length; _i2 < _e2; _i2++) {
mediaEls.push(divs[_i2]);
}
}
// Check if any media elements exist
if (mediaEls && mediaEls.length > 0) {
for (var _i3 = 0, _e3 = mediaEls.length; _i3 < _e3; _i3++) {
var mediaEl = mediaEls[_i3];
// Check if element exists, has getAttribute func.
// IE seems to consider typeof el.getAttribute == 'object' instead of
// 'function' like expected, at least when loading the player immediately.
if (mediaEl && mediaEl.getAttribute) {
// Make sure this player hasn't already been set up.
if (mediaEl.player === undefined) {
var options = mediaEl.getAttribute('data-setup');
// Check if data-setup attr exists.
// We only auto-setup if they've added the data-setup attr.
if (options !== null) {
// Create new video.js instance.
videojs$2(mediaEl);
}
}
// If getAttribute isn't defined, we need to wait for the DOM.
} else {
autoSetupTimeout(1);
break;
}
}
// No videos were found, so keep looping unless page is finished loading.
} else if (!_windowLoaded) {
autoSetupTimeout(1);
}
};
/**
* Wait until the page is loaded before running autoSetup. This will be called in
* autoSetup if `hasLoaded` returns false.
*
* @param {number} wait
* How long to wait in ms
*
* @param {module:videojs} [vjs]
* The videojs library function
*/
function autoSetupTimeout(wait, vjs) {
if (vjs) {
videojs$2 = vjs;
}
window_1.setTimeout(autoSetup, wait);
}
if (isReal() && document_1.readyState === 'complete') {
_windowLoaded = true;
} else {
/**
* Listen for the load event on window, and set _windowLoaded to true.
*
* @listens load
*/
one(window_1, 'load', function () {
_windowLoaded = true;
});
}
/**
* @file stylesheet.js
* @module stylesheet
*/
/**
* Create a DOM syle element given a className for it.
*
* @param {string} className
* The className to add to the created style element.
*
* @return {Element}
* The element that was created.
*/
var createStyleElement = function createStyleElement(className) {
var style = document_1.createElement('style');
style.className = className;
return style;
};
/**
* Add text to a DOM element.
*
* @param {Element} el
* The Element to add text content to.
*
* @param {string} content
* The text to add to the element.
*/
var setTextContent = function setTextContent(el, content) {
if (el.styleSheet) {
el.styleSheet.cssText = content;
} else {
el.textContent = content;
}
};
/**
* @file fn.js
* @module fn
*/
/**
* Bind (a.k.a proxy or Context). A simple method for changing the context of a function
* It also stores a unique id on the function so it can be easily removed from events.
*
* @param {Mixed} context
* The object to bind as scope.
*
* @param {Function} fn
* The function to be bound to a scope.
*
* @param {number} [uid]
* An optional unique ID for the function to be set
*
* @return {Function}
* The new function that will be bound into the context given
*/
var bind = function bind(context, fn, uid) {
// Make sure the function has a unique ID
if (!fn.guid) {
fn.guid = newGUID();
}
// Create the new function that changes the context
var bound = function bound() {
return fn.apply(context, arguments);
};
// Allow for the ability to individualize this function
// Needed in the case where multiple objects might share the same prototype
// IF both items add an event listener with the same function, then you try to remove just one
// it will remove both because they both have the same guid.
// when using this, you need to use the bind method when you remove the listener as well.
// currently used in text tracks
bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
return bound;
};
/**
* Wraps the given function, `fn`, with a new function that only invokes `fn`
* at most once per every `wait` milliseconds.
*
* @param {Function} fn
* The function to be throttled.
*
* @param {Number} wait
* The number of milliseconds by which to throttle.
*
* @return {Function}
*/
var throttle = function throttle(fn, wait) {
var last = Date.now();
var throttled = function throttled() {
var now = Date.now();
if (now - last >= wait) {
fn.apply(undefined, arguments);
last = now;
}
};
return throttled;
};
/**
* @file src/js/event-target.js
*/
/**
* `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
* adds shorthand functions that wrap around lengthy functions. For example:
* the `on` function is a wrapper around `addEventListener`.
*
* @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
* @class EventTarget
*/
var EventTarget = function EventTarget() {};
/**
* A Custom DOM event.
*
* @typedef {Object} EventTarget~Event
* @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
*/
/**
* All event listeners should follow the following format.
*
* @callback EventTarget~EventListener
* @this {EventTarget}
*
* @param {EventTarget~Event} event
* the event that triggered this function
*
* @param {Object} [hash]
* hash of data sent during the event
*/
/**
* An object containing event names as keys and booleans as values.
*
* > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
* will have extra functionality. See that function for more information.
*
* @property EventTarget.prototype.allowedEvents_
* @private
*/
EventTarget.prototype.allowedEvents_ = {};
/**
* Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
* function that will get called when an event with a certain name gets triggered.
*
* @param {string|string[]} type
* An event name or an array of event names.
*
* @param {EventTarget~EventListener} fn
* The function to call with `EventTarget`s
*/
EventTarget.prototype.on = function (type, fn) {
// Remove the addEventListener alias before calling Events.on
// so we don't get into an infinite type loop
var ael = this.addEventListener;
this.addEventListener = function () {};
on(this, type, fn);
this.addEventListener = ael;
};
/**
* An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
* the standard DOM API.
*
* @function
* @see {@link EventTarget#on}
*/
EventTarget.prototype.addEventListener = EventTarget.prototype.on;
/**
* Removes an `event listener` for a specific event from an instance of `EventTarget`.
* This makes it so that the `event listener` will no longer get called when the
* named event happens.
*
* @param {string|string[]} type
* An event name or an array of event names.
*
* @param {EventTarget~EventListener} fn
* The function to remove.
*/
EventTarget.prototype.off = function (type, fn) {
off(this, type, fn);
};
/**
* An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
* the standard DOM API.
*
* @function
* @see {@link EventTarget#off}
*/
EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
/**
* This function will add an `event listener` that gets triggered only once. After the
* first trigger it will get removed. This is like adding an `event listener`
* with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
*
* @param {string|string[]} type
* An event name or an array of event names.
*
* @param {EventTarget~EventListener} fn
* The function to be called once for each event name.
*/
EventTarget.prototype.one = function (type, fn) {
// Remove the addEventListener alialing Events.on
// so we don't get into an infinite type loop
var ael = this.addEventListener;
this.addEventListener = function () {};
one(this, type, fn);
this.addEventListener = ael;
};
/**
* This function causes an event to happen. This will then cause any `event listeners`
* that are waiting for that event, to get called. If there are no `event listeners`
* for an event then nothing will happen.
*
* If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
* Trigger will also call the `on` + `uppercaseEventName` function.
*
* Example:
* 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
* `onClick` if it exists.
*
* @param {string|EventTarget~Event|Object} event
* The name of the event, an `Event`, or an object with a key of type set to
* an event name.
*/
EventTarget.prototype.trigger = function (event) {
var type = event.type || event;
if (typeof event === 'string') {
event = { type: type };
}
event = fixEvent(event);
if (this.allowedEvents_[type] && this['on' + type]) {
this['on' + type](event);
}
trigger(this, event);
};
/**
* An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
* the standard DOM API.
*
* @function
* @see {@link EventTarget#trigger}
*/
EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
/**
* @file mixins/evented.js
* @module evented
*/
/**
* Returns whether or not an object has had the evented mixin applied.
*
* @param {Object} object
* An object to test.
*
* @return {boolean}
* Whether or not the object appears to be evented.
*/
var isEvented = function isEvented(object) {
return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
return typeof object[k] === 'function';
});
};
/**
* Whether a value is a valid event type - non-empty string or array.
*
* @private
* @param {string|Array} type
* The type value to test.
*
* @return {boolean}
* Whether or not the type is a valid event type.
*/
var isValidEventType = function isValidEventType(type) {
return (
// The regex here verifies that the `type` contains at least one non-
// whitespace character.
typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
);
};
/**
* Validates a value to determine if it is a valid event target. Throws if not.
*
* @private
* @throws {Error}
* If the target does not appear to be a valid event target.
*
* @param {Object} target
* The object to test.
*/
var validateTarget = function validateTarget(target) {
if (!target.nodeName && !isEvented(target)) {
throw new Error('Invalid target; must be a DOM node or evented object.');
}
};
/**
* Validates a value to determine if it is a valid event target. Throws if not.
*
* @private
* @throws {Error}
* If the type does not appear to be a valid event type.
*
* @param {string|Array} type
* The type to test.
*/
var validateEventType = function validateEventType(type) {
if (!isValidEventType(type)) {
throw new Error('Invalid event type; must be a non-empty string or array.');
}
};
/**
* Validates a value to determine if it is a valid listener. Throws if not.
*
* @private
* @throws {Error}
* If the listener is not a function.
*
* @param {Function} listener
* The listener to test.
*/
var validateListener = function validateListener(listener) {
if (typeof listener !== 'function') {
throw new Error('Invalid listener; must be a function.');
}
};
/**
* Takes an array of arguments given to `on()` or `one()`, validates them, and
* normalizes them into an object.
*
* @private
* @param {Object} self
* The evented object on which `on()` or `one()` was called. This
* object will be bound as the `this` value for the listener.
*
* @param {Array} args
* An array of arguments passed to `on()` or `one()`.
*
* @return {Object}
* An object containing useful values for `on()` or `one()` calls.
*/
var normalizeListenArgs = function normalizeListenArgs(self, args) {
// If the number of arguments is less than 3, the target is always the
// evented object itself.
var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
var target = void 0;
var type = void 0;
var listener = void 0;
if (isTargetingSelf) {
target = self.eventBusEl_;
// Deal with cases where we got 3 arguments, but we are still listening to
// the evented object itself.
if (args.length >= 3) {
args.shift();
}
type = args[0];
listener = args[1];
} else {
target = args[0];
type = args[1];
listener = args[2];
}
validateTarget(target);
validateEventType(type);
validateListener(listener);
listener = bind(self, listener);
return { isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener };
};
/**
* Adds the listener to the event type(s) on the target, normalizing for
* the type of target.
*
* @private
* @param {Element|Object} target
* A DOM node or evented object.
*
* @param {string} method
* The event binding method to use ("on" or "one").
*
* @param {string|Array} type
* One or more event type(s).
*
* @param {Function} listener
* A listener function.
*/
var listen = function listen(target, method, type, listener) {
validateTarget(target);
if (target.nodeName) {
Events[method](target, type, listener);
} else {
target[method](type, listener);
}
};
/**
* Contains methods that provide event capabilites to an object which is passed
* to {@link module:evented|evented}.
*
* @mixin EventedMixin
*/
var EventedMixin = {
/**
* Add a listener to an event (or events) on this object or another evented
* object.
*
* @param {string|Array|Element|Object} targetOrType
* If this is a string or array, it represents the event type(s)
* that will trigger the listener.
*
* Another evented object can be passed here instead, which will
* cause the listener to listen for events on _that_ object.
*
* In either case, the listener's `this` value will be bound to
* this object.
*
* @param {string|Array|Function} typeOrListener
* If the first argument was a string or array, this should be the
* listener function. Otherwise, this is a string or array of event
* type(s).
*
* @param {Function} [listener]
* If the first argument was another evented object, this will be
* the listener function.
*/
on: function on$$1() {
var _this = this;
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var _normalizeListenArgs = normalizeListenArgs(this, args),
isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
target = _normalizeListenArgs.target,
type = _normalizeListenArgs.type,
listener = _normalizeListenArgs.listener;
listen(target, 'on', type, listener);
// If this object is listening to another evented object.
if (!isTargetingSelf) {
// If this object is disposed, remove the listener.
var removeListenerOnDispose = function removeListenerOnDispose() {
return _this.off(target, type, listener);
};
// Use the same function ID as the listener so we can remove it later it
// using the ID of the original listener.
removeListenerOnDispose.guid = listener.guid;
// Add a listener to the target's dispose event as well. This ensures
// that if the target is disposed BEFORE this object, we remove the
// removal listener that was just added. Otherwise, we create a memory leak.
var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
return _this.off('dispose', removeListenerOnDispose);
};
// Use the same function ID as the listener so we can remove it later
// it using the ID of the original listener.
removeRemoverOnTargetDispose.guid = listener.guid;
listen(this, 'on', 'dispose', removeListenerOnDispose);
listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
}
},
/**
* Add a listener to an event (or events) on this object or another evented
* object. The listener will only be called once and then removed.
*
* @param {string|Array|Element|Object} targetOrType
* If this is a string or array, it represents the event type(s)
* that will trigger the listener.
*
* Another evented object can be passed here instead, which will
* cause the listener to listen for events on _that_ object.
*
* In either case, the listener's `this` value will be bound to
* this object.
*
* @param {string|Array|Function} typeOrListener
* If the first argument was a string or array, this should be the
* listener function. Otherwise, this is a string or array of event
* type(s).
*
* @param {Function} [listener]
* If the first argument was another evented object, this will be
* the listener function.
*/
one: function one$$1() {
var _this2 = this;
for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
var _normalizeListenArgs2 = normalizeListenArgs(this, args),
isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
target = _normalizeListenArgs2.target,
type = _normalizeListenArgs2.type,
listener = _normalizeListenArgs2.listener;
// Targeting this evented object.
if (isTargetingSelf) {
listen(target, 'one', type, listener);
// Targeting another evented object.
} else {
var wrapper = function wrapper() {
for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
largs[_key3] = arguments[_key3];
}
_this2.off(target, type, wrapper);
listener.apply(null, largs);
};
// Use the same function ID as the listener so we can remove it later
// it using the ID of the original listener.
wrapper.guid = listener.guid;
listen(target, 'one', type, wrapper);
}
},
/**
* Removes listener(s) from event(s) on an evented object.
*
* @param {string|Array|Element|Object} [targetOrType]
* If this is a string or array, it represents the event type(s).
*
* Another evented object can be passed here instead, in which case
* ALL 3 arguments are _required_.
*
* @param {string|Array|Function} [typeOrListener]
* If the first argument was a string or array, this may be the
* listener function. Otherwise, this is a string or array of event
* type(s).
*
* @param {Function} [listener]
* If the first argument was another evented object, this will be
* the listener function; otherwise, _all_ listeners bound to the
* event type(s) will be removed.
*/
off: function off$$1(targetOrType, typeOrListener, listener) {
// Targeting this evented object.
if (!targetOrType || isValidEventType(targetOrType)) {
off(this.eventBusEl_, targetOrType, typeOrListener);
// Targeting another evented object.
} else {
var target = targetOrType;
var type = typeOrListener;
// Fail fast and in a meaningful way!
validateTarget(target);
validateEventType(type);
validateListener(listener);
// Ensure there's at least a guid, even if the function hasn't been used
listener = bind(this, listener);
// Remove the dispose listener on this evented object, which was given
// the same guid as the event listener in on().
this.off('dispose', listener);
if (target.nodeName) {
off(target, type, listener);
off(target, 'dispose', listener);
} else if (isEvented(target)) {
target.off(type, listener);
target.off('dispose', listener);
}
}
},
/**
* Fire an event on this evented object, causing its listeners to be called.
*
* @param {string|Object} event
* An event type or an object with a type property.
*
* @param {Object} [hash]
* An additional object to pass along to listeners.
*
* @returns {boolean}
* Whether or not the default behavior was prevented.
*/
trigger: function trigger$$1(event, hash) {
return trigger(this.eventBusEl_, event, hash);
}
};
/**
* Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
*
* @param {Object} target
* The object to which to add event methods.
*
* @param {Object} [options={}]
* Options for customizing the mixin behavior.
*
* @param {String} [options.eventBusKey]
* By default, adds a `eventBusEl_` DOM element to the target object,
* which is used as an event bus. If the target object already has a
* DOM element that should be used, pass its key here.
*
* @return {Object}
* The target object.
*/
function evented(target) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var eventBusKey = options.eventBusKey;
// Set or create the eventBusEl_.
if (eventBusKey) {
if (!target[eventBusKey].nodeName) {
throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.');
}
target.eventBusEl_ = target[eventBusKey];
} else {
target.eventBusEl_ = createEl('span', { className: 'vjs-event-bus' });
}
assign(target, EventedMixin);
// When any evented object is disposed, it removes all its listeners.
target.on('dispose', function () {
target.off();
window_1.setTimeout(function () {
target.eventBusEl_ = null;
}, 0);
});
return target;
}
/**
* @file mixins/stateful.js
* @module stateful
*/
/**
* Contains methods that provide statefulness to an object which is passed
* to {@link module:stateful}.
*
* @mixin StatefulMixin
*/
var StatefulMixin = {
/**
* A hash containing arbitrary keys and values representing the state of
* the object.
*
* @type {Object}
*/
state: {},
/**
* Set the state of an object by mutating its
* {@link module:stateful~StatefulMixin.state|state} object in place.
*
* @fires module:stateful~StatefulMixin#statechanged
* @param {Object|Function} stateUpdates
* A new set of properties to shallow-merge into the plugin state.
* Can be a plain object or a function returning a plain object.
*
* @returns {Object|undefined}
* An object containing changes that occurred. If no changes
* occurred, returns `undefined`.
*/
setState: function setState(stateUpdates) {
var _this = this;
// Support providing the `stateUpdates` state as a function.
if (typeof stateUpdates === 'function') {
stateUpdates = stateUpdates();
}
var changes = void 0;
each(stateUpdates, function (value, key) {
// Record the change if the value is different from what's in the
// current state.
if (_this.state[key] !== value) {
changes = changes || {};
changes[key] = {
from: _this.state[key],
to: value
};
}
_this.state[key] = value;
});
// Only trigger "statechange" if there were changes AND we have a trigger
// function. This allows us to not require that the target object be an
// evented object.
if (changes && isEvented(this)) {
/**
* An event triggered on an object that is both
* {@link module:stateful|stateful} and {@link module:evented|evented}
* indicating that its state has changed.
*
* @event module:stateful~StatefulMixin#statechanged
* @type {Object}
* @property {Object} changes
* A hash containing the properties that were changed and
* the values they were changed `from` and `to`.
*/
this.trigger({
changes: changes,
type: 'statechanged'
});
}
return changes;
}
};
/**
* Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
* object.
*
* If the target object is {@link module:evented|evented} and has a
* `handleStateChanged` method, that method will be automatically bound to the
* `statechanged` event on itself.
*
* @param {Object} target
* The object to be made stateful.
*
* @param {Object} [defaultState]
* A default set of properties to populate the newly-stateful object's
* `state` property.
*
* @returns {Object}
* Returns the `target`.
*/
function stateful(target, defaultState) {
assign(target, StatefulMixin);
// This happens after the mixing-in because we need to replace the `state`
// added in that step.
target.state = assign({}, target.state, defaultState);
// Auto-bind the `handleStateChanged` method of the target object if it exists.
if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
target.on('statechanged', target.handleStateChanged);
}
return target;
}
/**
* @file to-title-case.js
* @module to-title-case
*/
/**
* Uppercase the first letter of a string.
*
* @param {string} string
* String to be uppercased
*
* @return {string}
* The string with an uppercased first letter
*/
function toTitleCase(string) {
if (typeof string !== 'string') {
return string;
}
return string.charAt(0).toUpperCase() + string.slice(1);
}
/**
* Compares the TitleCase versions of the two strings for equality.
*
* @param {string} str1
* The first string to compare
*
* @param {string} str2
* The second string to compare
*
* @return {boolean}
* Whether the TitleCase versions of the strings are equal
*/
function titleCaseEquals(str1, str2) {
return toTitleCase(str1) === toTitleCase(str2);
}
/**
* @file merge-options.js
* @module merge-options
*/
/**
* Deep-merge one or more options objects, recursively merging **only** plain
* object properties.
*
* @param {Object[]} sources
* One or more objects to merge into a new object.
*
* @returns {Object}
* A new object that is the merged result of all sources.
*/
function mergeOptions() {
var result = {};
for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) {
sources[_key] = arguments[_key];
}
sources.forEach(function (source) {
if (!source) {
return;
}
each(source, function (value, key) {
if (!isPlain(value)) {
result[key] = value;
return;
}
if (!isPlain(result[key])) {
result[key] = {};
}
result[key] = mergeOptions(result[key], value);
});
});
return result;
}
/**
* Player Component - Base class for all UI objects
*
* @file component.js
*/
/**
* Base class for all UI Components.
* Components are UI objects which represent both a javascript object and an element
* in the DOM. They can be children of other components, and can have
* children themselves.
*
* Components can also use methods from {@link EventTarget}
*/
var Component = function () {
/**
* A callback that is called when a component is ready. Does not have any
* paramters and any callback value will be ignored.
*
* @callback Component~ReadyCallback
* @this Component
*/
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Object[]} [options.children]
* An array of children objects to intialize this component with. Children objects have
* a name property that will be used if more than one component of the same type needs to be
* added.
*
* @param {Component~ReadyCallback} [ready]
* Function that gets called when the `Component` is ready.
*/
function Component(player, options, ready) {
classCallCheck(this, Component);
// The component might be the player itself and we can't pass `this` to super
if (!player && this.play) {
this.player_ = player = this; // eslint-disable-line
} else {
this.player_ = player;
}
// Make a copy of prototype.options_ to protect against overriding defaults
this.options_ = mergeOptions({}, this.options_);
// Updated options with supplied options
options = this.options_ = mergeOptions(this.options_, options);
// Get ID from options or options element if one is supplied
this.id_ = options.id || options.el && options.el.id;
// If there was no ID from the options, generate one
if (!this.id_) {
// Don't require the player ID function in the case of mock players
var id = player && player.id && player.id() || 'no_player';
this.id_ = id + '_component_' + newGUID();
}
this.name_ = options.name || null;
// Create element if one wasn't provided in options
if (options.el) {
this.el_ = options.el;
} else if (options.createEl !== false) {
this.el_ = this.createEl();
}
// if evented is anything except false, we want to mixin in evented
if (options.evented !== false) {
// Make this an evented object and use `el_`, if available, as its event bus
evented(this, { eventBusKey: this.el_ ? 'el_' : null });
}
stateful(this, this.constructor.defaultState);
this.children_ = [];
this.childIndex_ = {};
this.childNameIndex_ = {};
// Add any child components in options
if (options.initChildren !== false) {
this.initChildren();
}
this.ready(ready);
// Don't want to trigger ready here or it will before init is actually
// finished for all children that run this constructor
if (options.reportTouchActivity !== false) {
this.enableTouchActivity();
}
}
/**
* Dispose of the `Component` and all child components.
*
* @fires Component#dispose
*/
Component.prototype.dispose = function dispose() {
/**
* Triggered when a `Component` is disposed.
*
* @event Component#dispose
* @type {EventTarget~Event}
*
* @property {boolean} [bubbles=false]
* set to false so that the close event does not
* bubble up
*/
this.trigger({ type: 'dispose', bubbles: false });
// Dispose all children.
if (this.children_) {
for (var i = this.children_.length - 1; i >= 0; i--) {
if (this.children_[i].dispose) {
this.children_[i].dispose();
}
}
}
// Delete child references
this.children_ = null;
this.childIndex_ = null;
this.childNameIndex_ = null;
if (this.el_) {
// Remove element from DOM
if (this.el_.parentNode) {
this.el_.parentNode.removeChild(this.el_);
}
removeData(this.el_);
this.el_ = null;
}
// remove reference to the player after disposing of the element
this.player_ = null;
};
/**
* Return the {@link Player} that the `Component` has attached to.
*
* @return {Player}
* The player that this `Component` has attached to.
*/
Component.prototype.player = function player() {
return this.player_;
};
/**
* Deep merge of options objects with new options.
* > Note: When both `obj` and `options` contain properties whose values are objects.
* The two properties get merged using {@link module:mergeOptions}
*
* @param {Object} obj
* The object that contains new options.
*
* @return {Object}
* A new object of `this.options_` and `obj` merged together.
*
* @deprecated since version 5
*/
Component.prototype.options = function options(obj) {
log$1.warn('this.options() has been deprecated and will be moved to the constructor in 6.0');
if (!obj) {
return this.options_;
}
this.options_ = mergeOptions(this.options_, obj);
return this.options_;
};
/**
* Get the `Component`s DOM element
*
* @return {Element}
* The DOM element for this `Component`.
*/
Component.prototype.el = function el() {
return this.el_;
};
/**
* Create the `Component`s DOM element.
*
* @param {string} [tagName]
* Element's DOM node type. e.g. 'div'
*
* @param {Object} [properties]
* An object of properties that should be set.
*
* @param {Object} [attributes]
* An object of attributes that should be set.
*
* @return {Element}
* The element that gets created.
*/
Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) {
return createEl(tagName, properties, attributes);
};
/**
* Localize a string given the string in english.
*
* If tokens are provided, it'll try and run a simple token replacement on the provided string.
* The tokens it loooks for look like `{1}` with the index being 1-indexed into the tokens array.
*
* If a `defaultValue` is provided, it'll use that over `string`,
* if a value isn't found in provided language files.
* This is useful if you want to have a descriptive key for token replacement
* but have a succinct localized string and not require `en.json` to be included.
*
* Currently, it is used for the progress bar timing.
* ```js
* {
* "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
* }
* ```
* It is then used like so:
* ```js
* this.localize('progress bar timing: currentTime={1} duration{2}',
* [this.player_.currentTime(), this.player_.duration()],
* '{1} of {2}');
* ```
*
* Which outputs something like: `01:23 of 24:56`.
*
*
* @param {string} string
* The string to localize and the key to lookup in the language files.
* @param {string[]} [tokens]
* If the current item has token replacements, provide the tokens here.
* @param {string} [defaultValue]
* Defaults to `string`. Can be a default value to use for token replacement
* if the lookup key is needed to be separate.
*
* @return {string}
* The localized string or if no localization exists the english string.
*/
Component.prototype.localize = function localize(string, tokens) {
var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string;
var code = this.player_.language && this.player_.language();
var languages = this.player_.languages && this.player_.languages();
var language = languages && languages[code];
var primaryCode = code && code.split('-')[0];
var primaryLang = languages && languages[primaryCode];
var localizedString = defaultValue;
if (language && language[string]) {
localizedString = language[string];
} else if (primaryLang && primaryLang[string]) {
localizedString = primaryLang[string];
}
if (tokens) {
localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
var value = tokens[index - 1];
var ret = value;
if (typeof value === 'undefined') {
ret = match;
}
return ret;
});
}
return localizedString;
};
/**
* Return the `Component`s DOM element. This is where children get inserted.
* This will usually be the the same as the element returned in {@link Component#el}.
*
* @return {Element}
* The content element for this `Component`.
*/
Component.prototype.contentEl = function contentEl() {
return this.contentEl_ || this.el_;
};
/**
* Get this `Component`s ID
*
* @return {string}
* The id of this `Component`
*/
Component.prototype.id = function id() {
return this.id_;
};
/**
* Get the `Component`s name. The name gets used to reference the `Component`
* and is set during registration.
*
* @return {string}
* The name of this `Component`.
*/
Component.prototype.name = function name() {
return this.name_;
};
/**
* Get an array of all child components
*
* @return {Array}
* The children
*/
Component.prototype.children = function children() {
return this.children_;
};
/**
* Returns the child `Component` with the given `id`.
*
* @param {string} id
* The id of the child `Component` to get.
*
* @return {Component|undefined}
* The child `Component` with the given `id` or undefined.
*/
Component.prototype.getChildById = function getChildById(id) {
return this.childIndex_[id];
};
/**
* Returns the child `Component` with the given `name`.
*
* @param {string} name
* The name of the child `Component` to get.
*
* @return {Component|undefined}
* The child `Component` with the given `name` or undefined.
*/
Component.prototype.getChild = function getChild(name) {
if (!name) {
return;
}
name = toTitleCase(name);
return this.childNameIndex_[name];
};
/**
* Add a child `Component` inside the current `Component`.
*
*
* @param {string|Component} child
* The name or instance of a child to add.
*
* @param {Object} [options={}]
* The key/value store of options that will get passed to children of
* the child.
*
* @param {number} [index=this.children_.length]
* The index to attempt to add a child into.
*
* @return {Component}
* The `Component` that gets added as a child. When using a string the
* `Component` will get created by this process.
*/
Component.prototype.addChild = function addChild(child) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;
var component = void 0;
var componentName = void 0;
// If child is a string, create component with options
if (typeof child === 'string') {
componentName = toTitleCase(child);
var componentClassName = options.componentClass || componentName;
// Set name through options
options.name = componentName;
// Create a new object & element for this controls set
// If there's no .player_, this is a player
var ComponentClass = Component.getComponent(componentClassName);
if (!ComponentClass) {
throw new Error('Component ' + componentClassName + ' does not exist');
}
// data stored directly on the videojs object may be
// misidentified as a component to retain
// backwards-compatibility with 4.x. check to make sure the
// component class can be instantiated.
if (typeof ComponentClass !== 'function') {
return null;
}
component = new ComponentClass(this.player_ || this, options);
// child is a component instance
} else {
component = child;
}
this.children_.splice(index, 0, component);
if (typeof component.id === 'function') {
this.childIndex_[component.id()] = component;
}
// If a name wasn't used to create the component, check if we can use the
// name function of the component
componentName = componentName || component.name && toTitleCase(component.name());
if (componentName) {
this.childNameIndex_[componentName] = component;
}
// Add the UI object's element to the container div (box)
// Having an element is not required
if (typeof component.el === 'function' && component.el()) {
var childNodes = this.contentEl().children;
var refNode = childNodes[index] || null;
this.contentEl().insertBefore(component.el(), refNode);
}
// Return so it can stored on parent object if desired.
return component;
};
/**
* Remove a child `Component` from this `Component`s list of children. Also removes
* the child `Component`s element from this `Component`s element.
*
* @param {Component} component
* The child `Component` to remove.
*/
Component.prototype.removeChild = function removeChild(component) {
if (typeof component === 'string') {
component = this.getChild(component);
}
if (!component || !this.children_) {
return;
}
var childFound = false;
for (var i = this.children_.length - 1; i >= 0; i--) {
if (this.children_[i] === component) {
childFound = true;
this.children_.splice(i, 1);
break;
}
}
if (!childFound) {
return;
}
this.childIndex_[component.id()] = null;
this.childNameIndex_[component.name()] = null;
var compEl = component.el();
if (compEl && compEl.parentNode === this.contentEl()) {
this.contentEl().removeChild(component.el());
}
};
/**
* Add and initialize default child `Component`s based upon options.
*/
Component.prototype.initChildren = function initChildren() {
var _this = this;
var children = this.options_.children;
if (children) {
// `this` is `parent`
var parentOptions = this.options_;
var handleAdd = function handleAdd(child) {
var name = child.name;
var opts = child.opts;
// Allow options for children to be set at the parent options
// e.g. videojs(id, { controlBar: false });
// instead of videojs(id, { children: { controlBar: false });
if (parentOptions[name] !== undefined) {
opts = parentOptions[name];
}
// Allow for disabling default components
// e.g. options['children']['posterImage'] = false
if (opts === false) {
return;
}
// Allow options to be passed as a simple boolean if no configuration
// is necessary.
if (opts === true) {
opts = {};
}
// We also want to pass the original player options
// to each component as well so they don't need to
// reach back into the player for options later.
opts.playerOptions = _this.options_.playerOptions;
// Create and add the child component.
// Add a direct reference to the child by name on the parent instance.
// If two of the same component are used, different names should be supplied
// for each
var newChild = _this.addChild(name, opts);
if (newChild) {
_this[name] = newChild;
}
};
// Allow for an array of children details to passed in the options
var workingChildren = void 0;
var Tech = Component.getComponent('Tech');
if (Array.isArray(children)) {
workingChildren = children;
} else {
workingChildren = Object.keys(children);
}
workingChildren
// children that are in this.options_ but also in workingChildren would
// give us extra children we do not want. So, we want to filter them out.
.concat(Object.keys(this.options_).filter(function (child) {
return !workingChildren.some(function (wchild) {
if (typeof wchild === 'string') {
return child === wchild;
}
return child === wchild.name;
});
})).map(function (child) {
var name = void 0;
var opts = void 0;
if (typeof child === 'string') {
name = child;
opts = children[name] || _this.options_[name] || {};
} else {
name = child.name;
opts = child;
}
return { name: name, opts: opts };
}).filter(function (child) {
// we have to make sure that child.name isn't in the techOrder since
// techs are registerd as Components but can't aren't compatible
// See https://github.com/videojs/video.js/issues/2772
var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
return c && !Tech.isTech(c);
}).forEach(handleAdd);
}
};
/**
* Builds the default DOM class name. Should be overriden by sub-components.
*
* @return {string}
* The DOM class name for this object.
*
* @abstract
*/
Component.prototype.buildCSSClass = function buildCSSClass() {
// Child classes can include a function that does:
// return 'CLASS NAME' + this._super();
return '';
};
/**
* Bind a listener to the component's ready state.
* Different from event listeners in that if the ready event has already happened
* it will trigger the function immediately.
*
* @return {Component}
* Returns itself; method can be chained.
*/
Component.prototype.ready = function ready(fn) {
var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
if (!fn) {
return;
}
if (!this.isReady_) {
this.readyQueue_ = this.readyQueue_ || [];
this.readyQueue_.push(fn);
return;
}
if (sync) {
fn.call(this);
} else {
// Call the function asynchronously by default for consistency
this.setTimeout(fn, 1);
}
};
/**
* Trigger all the ready listeners for this `Component`.
*
* @fires Component#ready
*/
Component.prototype.triggerReady = function triggerReady() {
this.isReady_ = true;
// Ensure ready is triggerd asynchronously
this.setTimeout(function () {
var readyQueue = this.readyQueue_;
// Reset Ready Queue
this.readyQueue_ = [];
if (readyQueue && readyQueue.length > 0) {
readyQueue.forEach(function (fn) {
fn.call(this);
}, this);
}
// Allow for using event listeners also
/**
* Triggered when a `Component` is ready.
*
* @event Component#ready
* @type {EventTarget~Event}
*/
this.trigger('ready');
}, 1);
};
/**
* Find a single DOM element matching a `selector`. This can be within the `Component`s
* `contentEl()` or another custom context.
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelector`.
*
* @param {Element|string} [context=this.contentEl()]
* A DOM element within which to query. Can also be a selector string in
* which case the first matching element will get used as context. If
* missing `this.contentEl()` gets used. If `this.contentEl()` returns
* nothing it falls back to `document`.
*
* @return {Element|null}
* the dom element that was found, or null
*
* @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
*/
Component.prototype.$ = function $$$1(selector, context) {
return $(selector, context || this.contentEl());
};
/**
* Finds all DOM element matching a `selector`. This can be within the `Component`s
* `contentEl()` or another custom context.
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelectorAll`.
*
* @param {Element|string} [context=this.contentEl()]
* A DOM element within which to query. Can also be a selector string in
* which case the first matching element will get used as context. If
* missing `this.contentEl()` gets used. If `this.contentEl()` returns
* nothing it falls back to `document`.
*
* @return {NodeList}
* a list of dom elements that were found
*
* @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
*/
Component.prototype.$$ = function $$$$1(selector, context) {
return $$(selector, context || this.contentEl());
};
/**
* Check if a component's element has a CSS class name.
*
* @param {string} classToCheck
* CSS class name to check.
*
* @return {boolean}
* - True if the `Component` has the class.
* - False if the `Component` does not have the class`
*/
Component.prototype.hasClass = function hasClass$$1(classToCheck) {
return hasClass(this.el_, classToCheck);
};
/**
* Add a CSS class name to the `Component`s element.
*
* @param {string} classToAdd
* CSS class name to add
*/
Component.prototype.addClass = function addClass$$1(classToAdd) {
addClass(this.el_, classToAdd);
};
/**
* Remove a CSS class name from the `Component`s element.
*
* @param {string} classToRemove
* CSS class name to remove
*/
Component.prototype.removeClass = function removeClass$$1(classToRemove) {
removeClass(this.el_, classToRemove);
};
/**
* Add or remove a CSS class name from the component's element.
* - `classToToggle` gets added when {@link Component#hasClass} would return false.
* - `classToToggle` gets removed when {@link Component#hasClass} would return true.
*
* @param {string} classToToggle
* The class to add or remove based on (@link Component#hasClass}
*
* @param {boolean|Dom~predicate} [predicate]
* An {@link Dom~predicate} function or a boolean
*/
Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) {
toggleClass(this.el_, classToToggle, predicate);
};
/**
* Show the `Component`s element if it is hidden by removing the
* 'vjs-hidden' class name from it.
*/
Component.prototype.show = function show() {
this.removeClass('vjs-hidden');
};
/**
* Hide the `Component`s element if it is currently showing by adding the
* 'vjs-hidden` class name to it.
*/
Component.prototype.hide = function hide() {
this.addClass('vjs-hidden');
};
/**
* Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
* class name to it. Used during fadeIn/fadeOut.
*
* @private
*/
Component.prototype.lockShowing = function lockShowing() {
this.addClass('vjs-lock-showing');
};
/**
* Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
* class name from it. Used during fadeIn/fadeOut.
*
* @private
*/
Component.prototype.unlockShowing = function unlockShowing() {
this.removeClass('vjs-lock-showing');
};
/**
* Get the value of an attribute on the `Component`s element.
*
* @param {string} attribute
* Name of the attribute to get the value from.
*
* @return {string|null}
* - The value of the attribute that was asked for.
* - Can be an empty string on some browsers if the attribute does not exist
* or has no value
* - Most browsers will return null if the attibute does not exist or has
* no value.
*
* @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
*/
Component.prototype.getAttribute = function getAttribute$$1(attribute) {
return getAttribute(this.el_, attribute);
};
/**
* Set the value of an attribute on the `Component`'s element
*
* @param {string} attribute
* Name of the attribute to set.
*
* @param {string} value
* Value to set the attribute to.
*
* @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
*/
Component.prototype.setAttribute = function setAttribute$$1(attribute, value) {
setAttribute(this.el_, attribute, value);
};
/**
* Remove an attribute from the `Component`s element.
*
* @param {string} attribute
* Name of the attribute to remove.
*
* @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
*/
Component.prototype.removeAttribute = function removeAttribute$$1(attribute) {
removeAttribute(this.el_, attribute);
};
/**
* Get or set the width of the component based upon the CSS styles.
* See {@link Component#dimension} for more detailed information.
*
* @param {number|string} [num]
* The width that you want to set postfixed with '%', 'px' or nothing.
*
* @param {boolean} [skipListeners]
* Skip the componentresize event trigger
*
* @return {number|string}
* The width when getting, zero if there is no width. Can be a string
* postpixed with '%' or 'px'.
*/
Component.prototype.width = function width(num, skipListeners) {
return this.dimension('width', num, skipListeners);
};
/**
* Get or set the height of the component based upon the CSS styles.
* See {@link Component#dimension} for more detailed information.
*
* @param {number|string} [num]
* The height that you want to set postfixed with '%', 'px' or nothing.
*
* @param {boolean} [skipListeners]
* Skip the componentresize event trigger
*
* @return {number|string}
* The width when getting, zero if there is no width. Can be a string
* postpixed with '%' or 'px'.
*/
Component.prototype.height = function height(num, skipListeners) {
return this.dimension('height', num, skipListeners);
};
/**
* Set both the width and height of the `Component` element at the same time.
*
* @param {number|string} width
* Width to set the `Component`s element to.
*
* @param {number|string} height
* Height to set the `Component`s element to.
*/
Component.prototype.dimensions = function dimensions(width, height) {
// Skip componentresize listeners on width for optimization
this.width(width, true);
this.height(height);
};
/**
* Get or set width or height of the `Component` element. This is the shared code
* for the {@link Component#width} and {@link Component#height}.
*
* Things to know:
* - If the width or height in an number this will return the number postfixed with 'px'.
* - If the width/height is a percent this will return the percent postfixed with '%'
* - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
* defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
* See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
* for more information
* - If you want the computed style of the component, use {@link Component#currentWidth}
* and {@link {Component#currentHeight}
*
* @fires Component#componentresize
*
* @param {string} widthOrHeight
8 'width' or 'height'
*
* @param {number|string} [num]
8 New dimension
*
* @param {boolean} [skipListeners]
* Skip componentresize event trigger
*
* @return {number}
* The dimension when getting or 0 if unset
*/
Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
if (num !== undefined) {
// Set to zero if null or literally NaN (NaN !== NaN)
if (num === null || num !== num) {
num = 0;
}
// Check if using css width/height (% or px) and adjust
if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
this.el_.style[widthOrHeight] = num;
} else if (num === 'auto') {
this.el_.style[widthOrHeight] = '';
} else {
this.el_.style[widthOrHeight] = num + 'px';
}
// skipListeners allows us to avoid triggering the resize event when setting both width and height
if (!skipListeners) {
/**
* Triggered when a component is resized.
*
* @event Component#componentresize
* @type {EventTarget~Event}
*/
this.trigger('componentresize');
}
return;
}
// Not setting a value, so getting it
// Make sure element exists
if (!this.el_) {
return 0;
}
// Get dimension value from style
var val = this.el_.style[widthOrHeight];
var pxIndex = val.indexOf('px');
if (pxIndex !== -1) {
// Return the pixel value with no 'px'
return parseInt(val.slice(0, pxIndex), 10);
}
// No px so using % or no style was set, so falling back to offsetWidth/height
// If component has display:none, offset will return 0
// TODO: handle display:none and no dimension style using px
return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
};
/**
* Get the width or the height of the `Component` elements computed style. Uses
* `window.getComputedStyle`.
*
* @param {string} widthOrHeight
* A string containing 'width' or 'height'. Whichever one you want to get.
*
* @return {number}
* The dimension that gets asked for or 0 if nothing was set
* for that dimension.
*/
Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
var computedWidthOrHeight = 0;
if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
throw new Error('currentDimension only accepts width or height value');
}
if (typeof window_1.getComputedStyle === 'function') {
var computedStyle = window_1.getComputedStyle(this.el_);
computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
}
// remove 'px' from variable and parse as integer
computedWidthOrHeight = parseFloat(computedWidthOrHeight);
// if the computed value is still 0, it's possible that the browser is lying
// and we want to check the offset values.
// This code also runs on IE8 and wherever getComputedStyle doesn't exist.
if (computedWidthOrHeight === 0) {
var rule = 'offset' + toTitleCase(widthOrHeight);
computedWidthOrHeight = this.el_[rule];
}
return computedWidthOrHeight;
};
/**
* An object that contains width and height values of the `Component`s
* computed style. Uses `window.getComputedStyle`.
*
* @typedef {Object} Component~DimensionObject
*
* @property {number} width
* The width of the `Component`s computed style.
*
* @property {number} height
* The height of the `Component`s computed style.
*/
/**
* Get an object that contains width and height values of the `Component`s
* computed style.
*
* @return {Component~DimensionObject}
* The dimensions of the components element
*/
Component.prototype.currentDimensions = function currentDimensions() {
return {
width: this.currentDimension('width'),
height: this.currentDimension('height')
};
};
/**
* Get the width of the `Component`s computed style. Uses `window.getComputedStyle`.
*
* @return {number} width
* The width of the `Component`s computed style.
*/
Component.prototype.currentWidth = function currentWidth() {
return this.currentDimension('width');
};
/**
* Get the height of the `Component`s computed style. Uses `window.getComputedStyle`.
*
* @return {number} height
* The height of the `Component`s computed style.
*/
Component.prototype.currentHeight = function currentHeight() {
return this.currentDimension('height');
};
/**
* Set the focus to this component
*/
Component.prototype.focus = function focus() {
this.el_.focus();
};
/**
* Remove the focus from this component
*/
Component.prototype.blur = function blur() {
this.el_.blur();
};
/**
* Emit a 'tap' events when touch event support gets detected. This gets used to
* support toggling the controls through a tap on the video. They get enabled
* because every sub-component would have extra overhead otherwise.
*
* @private
* @fires Component#tap
* @listens Component#touchstart
* @listens Component#touchmove
* @listens Component#touchleave
* @listens Component#touchcancel
* @listens Component#touchend
*/
Component.prototype.emitTapEvents = function emitTapEvents() {
// Track the start time so we can determine how long the touch lasted
var touchStart = 0;
var firstTouch = null;
// Maximum movement allowed during a touch event to still be considered a tap
// Other popular libs use anywhere from 2 (hammer.js) to 15,
// so 10 seems like a nice, round number.
var tapMovementThreshold = 10;
// The maximum length a touch can be while still being considered a tap
var touchTimeThreshold = 200;
var couldBeTap = void 0;
this.on('touchstart', function (event) {
// If more than one finger, don't consider treating this as a click
if (event.touches.length === 1) {
// Copy pageX/pageY from the object
firstTouch = {
pageX: event.touches[0].pageX,
pageY: event.touches[0].pageY
};
// Record start time so we can detect a tap vs. "touch and hold"
touchStart = new Date().getTime();
// Reset couldBeTap tracking
couldBeTap = true;
}
});
this.on('touchmove', function (event) {
// If more than one finger, don't consider treating this as a click
if (event.touches.length > 1) {
couldBeTap = false;
} else if (firstTouch) {
// Some devices will throw touchmoves for all but the slightest of taps.
// So, if we moved only a small distance, this could still be a tap
var xdiff = event.touches[0].pageX - firstTouch.pageX;
var ydiff = event.touches[0].pageY - firstTouch.pageY;
var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
if (touchDistance > tapMovementThreshold) {
couldBeTap = false;
}
}
});
var noTap = function noTap() {
couldBeTap = false;
};
// TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
this.on('touchleave', noTap);
this.on('touchcancel', noTap);
// When the touch ends, measure how long it took and trigger the appropriate
// event
this.on('touchend', function (event) {
firstTouch = null;
// Proceed only if the touchmove/leave/cancel event didn't happen
if (couldBeTap === true) {
// Measure how long the touch lasted
var touchTime = new Date().getTime() - touchStart;
// Make sure the touch was less than the threshold to be considered a tap
if (touchTime < touchTimeThreshold) {
// Don't let browser turn this into a click
event.preventDefault();
/**
* Triggered when a `Component` is tapped.
*
* @event Component#tap
* @type {EventTarget~Event}
*/
this.trigger('tap');
// It may be good to copy the touchend event object and change the
// type to tap, if the other event properties aren't exact after
// Events.fixEvent runs (e.g. event.target)
}
}
});
};
/**
* This function reports user activity whenever touch events happen. This can get
* turned off by any sub-components that wants touch events to act another way.
*
* Report user touch activity when touch events occur. User activity gets used to
* determine when controls should show/hide. It is simple when it comes to mouse
* events, because any mouse event should show the controls. So we capture mouse
* events that bubble up to the player and report activity when that happens.
* With touch events it isn't as easy as `touchstart` and `touchend` toggle player
* controls. So touch events can't help us at the player level either.
*
* User activity gets checked asynchronously. So what could happen is a tap event
* on the video turns the controls off. Then the `touchend` event bubbles up to
* the player. Which, if it reported user activity, would turn the controls right
* back on. We also don't want to completely block touch events from bubbling up.
* Furthermore a `touchmove` event and anything other than a tap, should not turn
* controls back on.
*
* @listens Component#touchstart
* @listens Component#touchmove
* @listens Component#touchend
* @listens Component#touchcancel
*/
Component.prototype.enableTouchActivity = function enableTouchActivity() {
// Don't continue if the root player doesn't support reporting user activity
if (!this.player() || !this.player().reportUserActivity) {
return;
}
// listener for reporting that the user is active
var report = bind(this.player(), this.player().reportUserActivity);
var touchHolding = void 0;
this.on('touchstart', function () {
report();
// For as long as the they are touching the device or have their mouse down,
// we consider them active even if they're not moving their finger or mouse.
// So we want to continue to update that they are active
this.clearInterval(touchHolding);
// report at the same interval as activityCheck
touchHolding = this.setInterval(report, 250);
});
var touchEnd = function touchEnd(event) {
report();
// stop the interval that maintains activity if the touch is holding
this.clearInterval(touchHolding);
};
this.on('touchmove', report);
this.on('touchend', touchEnd);
this.on('touchcancel', touchEnd);
};
/**
* A callback that has no parameters and is bound into `Component`s context.
*
* @callback Component~GenericCallback
* @this Component
*/
/**
* Creates a function that runs after an `x` millisecond timeout. This function is a
* wrapper around `window.setTimeout`. There are a few reasons to use this one
* instead though:
* 1. It gets cleared via {@link Component#clearTimeout} when
* {@link Component#dispose} gets called.
* 2. The function callback will gets turned into a {@link Component~GenericCallback}
*
* > Note: You can use `window.clearTimeout` on the id returned by this function. This
* will cause its dispose listener not to get cleaned up! Please use
* {@link Component#clearTimeout} or {@link Component#dispose}.
*
* @param {Component~GenericCallback} fn
* The function that will be run after `timeout`.
*
* @param {number} timeout
* Timeout in milliseconds to delay before executing the specified function.
*
* @return {number}
* Returns a timeout ID that gets used to identify the timeout. It can also
* get used in {@link Component#clearTimeout} to clear the timeout that
* was set.
*
* @listens Component#dispose
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
*/
Component.prototype.setTimeout = function setTimeout(fn, timeout) {
var _this2 = this;
fn = bind(this, fn);
var timeoutId = window_1.setTimeout(fn, timeout);
var disposeFn = function disposeFn() {
return _this2.clearTimeout(timeoutId);
};
disposeFn.guid = 'vjs-timeout-' + timeoutId;
this.on('dispose', disposeFn);
return timeoutId;
};
/**
* Clears a timeout that gets created via `window.setTimeout` or
* {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
* use this function instead of `window.clearTimout`. If you don't your dispose
* listener will not get cleaned up until {@link Component#dispose}!
*
* @param {number} timeoutId
* The id of the timeout to clear. The return value of
* {@link Component#setTimeout} or `window.setTimeout`.
*
* @return {number}
* Returns the timeout id that was cleared.
*
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
*/
Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
window_1.clearTimeout(timeoutId);
var disposeFn = function disposeFn() {};
disposeFn.guid = 'vjs-timeout-' + timeoutId;
this.off('dispose', disposeFn);
return timeoutId;
};
/**
* Creates a function that gets run every `x` milliseconds. This function is a wrapper
* around `window.setInterval`. There are a few reasons to use this one instead though.
* 1. It gets cleared via {@link Component#clearInterval} when
* {@link Component#dispose} gets called.
* 2. The function callback will be a {@link Component~GenericCallback}
*
* @param {Component~GenericCallback} fn
* The function to run every `x` seconds.
*
* @param {number} interval
* Execute the specified function every `x` milliseconds.
*
* @return {number}
* Returns an id that can be used to identify the interval. It can also be be used in
* {@link Component#clearInterval} to clear the interval.
*
* @listens Component#dispose
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
*/
Component.prototype.setInterval = function setInterval(fn, interval) {
var _this3 = this;
fn = bind(this, fn);
var intervalId = window_1.setInterval(fn, interval);
var disposeFn = function disposeFn() {
return _this3.clearInterval(intervalId);
};
disposeFn.guid = 'vjs-interval-' + intervalId;
this.on('dispose', disposeFn);
return intervalId;
};
/**
* Clears an interval that gets created via `window.setInterval` or
* {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
* use this function instead of `window.clearInterval`. If you don't your dispose
* listener will not get cleaned up until {@link Component#dispose}!
*
* @param {number} intervalId
* The id of the interval to clear. The return value of
* {@link Component#setInterval} or `window.setInterval`.
*
* @return {number}
* Returns the interval id that was cleared.
*
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
*/
Component.prototype.clearInterval = function clearInterval(intervalId) {
window_1.clearInterval(intervalId);
var disposeFn = function disposeFn() {};
disposeFn.guid = 'vjs-interval-' + intervalId;
this.off('dispose', disposeFn);
return intervalId;
};
/**
* Queues up a callback to be passed to requestAnimationFrame (rAF), but
* with a few extra bonuses:
*
* - Supports browsers that do not support rAF by falling back to
* {@link Component#setTimeout}.
*
* - The callback is turned into a {@link Component~GenericCallback} (i.e.
* bound to the component).
*
* - Automatic cancellation of the rAF callback is handled if the component
* is disposed before it is called.
*
* @param {Component~GenericCallback} fn
* A function that will be bound to this component and executed just
* before the browser's next repaint.
*
* @return {number}
* Returns an rAF ID that gets used to identify the timeout. It can
* also be used in {@link Component#cancelAnimationFrame} to cancel
* the animation frame callback.
*
* @listens Component#dispose
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
*/
Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) {
var _this4 = this;
if (this.supportsRaf_) {
fn = bind(this, fn);
var id = window_1.requestAnimationFrame(fn);
var disposeFn = function disposeFn() {
return _this4.cancelAnimationFrame(id);
};
disposeFn.guid = 'vjs-raf-' + id;
this.on('dispose', disposeFn);
return id;
}
// Fall back to using a timer.
return this.setTimeout(fn, 1000 / 60);
};
/**
* Cancels a queued callback passed to {@link Component#requestAnimationFrame}
* (rAF).
*
* If you queue an rAF callback via {@link Component#requestAnimationFrame},
* use this function instead of `window.cancelAnimationFrame`. If you don't,
* your dispose listener will not get cleaned up until {@link Component#dispose}!
*
* @param {number} id
* The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
*
* @return {number}
* Returns the rAF ID that was cleared.
*
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
*/
Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) {
if (this.supportsRaf_) {
window_1.cancelAnimationFrame(id);
var disposeFn = function disposeFn() {};
disposeFn.guid = 'vjs-raf-' + id;
this.off('dispose', disposeFn);
return id;
}
// Fall back to using a timer.
return this.clearTimeout(id);
};
/**
* Register a `Component` with `videojs` given the name and the component.
*
* > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
* should be registered using {@link Tech.registerTech} or
* {@link videojs:videojs.registerTech}.
*
* > NOTE: This function can also be seen on videojs as
* {@link videojs:videojs.registerComponent}.
*
* @param {string} name
* The name of the `Component` to register.
*
* @param {Component} ComponentToRegister
* The `Component` class to register.
*
* @return {Component}
* The `Component` that was registered.
*/
Component.registerComponent = function registerComponent(name, ComponentToRegister) {
if (typeof name !== 'string' || !name) {
throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.');
}
var Tech = Component.getComponent('Tech');
// We need to make sure this check is only done if Tech has been registered.
var isTech = Tech && Tech.isTech(ComponentToRegister);
var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
if (isTech || !isComp) {
var reason = void 0;
if (isTech) {
reason = 'techs must be registered using Tech.registerTech()';
} else {
reason = 'must be a Component subclass';
}
throw new Error('Illegal component, "' + name + '"; ' + reason + '.');
}
name = toTitleCase(name);
if (!Component.components_) {
Component.components_ = {};
}
var Player = Component.getComponent('Player');
if (name === 'Player' && Player && Player.players) {
var players = Player.players;
var playerNames = Object.keys(players);
// If we have players that were disposed, then their name will still be
// in Players.players. So, we must loop through and verify that the value
// for each item is not null. This allows registration of the Player component
// after all players have been disposed or before any were created.
if (players && playerNames.length > 0 && playerNames.map(function (pname) {
return players[pname];
}).every(Boolean)) {
throw new Error('Can not register Player component after player has been created.');
}
}
Component.components_[name] = ComponentToRegister;
return ComponentToRegister;
};
/**
* Get a `Component` based on the name it was registered with.
*
* @param {string} name
* The Name of the component to get.
*
* @return {Component}
* The `Component` that got registered under the given name.
*
* @deprecated In `videojs` 6 this will not return `Component`s that were not
* registered using {@link Component.registerComponent}. Currently we
* check the global `videojs` object for a `Component` name and
* return that if it exists.
*/
Component.getComponent = function getComponent(name) {
if (!name) {
return;
}
name = toTitleCase(name);
if (Component.components_ && Component.components_[name]) {
return Component.components_[name];
}
};
return Component;
}();
/**
* Whether or not this component supports `requestAnimationFrame`.
*
* This is exposed primarily for testing purposes.
*
* @private
* @type {Boolean}
*/
Component.prototype.supportsRaf_ = typeof window_1.requestAnimationFrame === 'function' && typeof window_1.cancelAnimationFrame === 'function';
Component.registerComponent('Component', Component);
/**
* @file time-ranges.js
* @module time-ranges
*/
/**
* Returns the time for the specified index at the start or end
* of a TimeRange object.
*
* @function time-ranges:indexFunction
*
* @param {number} [index=0]
* The range number to return the time for.
*
* @return {number}
* The time that offset at the specified index.
*
* @depricated index must be set to a value, in the future this will throw an error.
*/
/**
* An object that contains ranges of time for various reasons.
*
* @typedef {Object} TimeRange
*
* @property {number} length
* The number of time ranges represented by this Object
*
* @property {time-ranges:indexFunction} start
* Returns the time offset at which a specified time range begins.
*
* @property {time-ranges:indexFunction} end
* Returns the time offset at which a specified time range begins.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
*/
/**
* Check if any of the time ranges are over the maximum index.
*
* @param {string} fnName
* The function name to use for logging
*
* @param {number} index
* The index to check
*
* @param {number} maxIndex
* The maximum possible index
*
* @throws {Error} if the timeRanges provided are over the maxIndex
*/
function rangeCheck(fnName, index, maxIndex) {
if (typeof index !== 'number' || index < 0 || index > maxIndex) {
throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').');
}
}
/**
* Check if any of the time ranges are over the maximum index.
*
* @param {string} fnName
* The function name to use for logging
*
* @param {string} valueIndex
* The proprety that should be used to get the time. should be 'start' or 'end'
*
* @param {Array} ranges
* An array of time ranges
*
* @param {Array} [rangeIndex=0]
* The index to start the search at
*
* @return {number}
* The time that offset at the specified index.
*
*
* @depricated rangeIndex must be set to a value, in the future this will throw an error.
* @throws {Error} if rangeIndex is more than the length of ranges
*/
function getRange(fnName, valueIndex, ranges, rangeIndex) {
rangeCheck(fnName, rangeIndex, ranges.length - 1);
return ranges[rangeIndex][valueIndex];
}
/**
* Create a time range object givent ranges of time.
*
* @param {Array} [ranges]
* An array of time ranges.
*/
function createTimeRangesObj(ranges) {
if (ranges === undefined || ranges.length === 0) {
return {
length: 0,
start: function start() {
throw new Error('This TimeRanges object is empty');
},
end: function end() {
throw new Error('This TimeRanges object is empty');
}
};
}
return {
length: ranges.length,
start: getRange.bind(null, 'start', 0, ranges),
end: getRange.bind(null, 'end', 1, ranges)
};
}
/**
* Should create a fake `TimeRange` object which mimics an HTML5 time range instance.
*
* @param {number|Array} start
* The start of a single range or an array of ranges
*
* @param {number} end
* The end of a single range.
*
* @private
*/
function createTimeRanges(start, end) {
if (Array.isArray(start)) {
return createTimeRangesObj(start);
} else if (start === undefined || end === undefined) {
return createTimeRangesObj();
}
return createTimeRangesObj([[start, end]]);
}
/**
* @file buffer.js
* @module buffer
*/
/**
* Compute the percentage of the media that has been buffered.
*
* @param {TimeRange} buffered
* The current `TimeRange` object representing buffered time ranges
*
* @param {number} duration
* Total duration of the media
*
* @return {number}
* Percent buffered of the total duration in decimal form.
*/
function bufferedPercent(buffered, duration) {
var bufferedDuration = 0;
var start = void 0;
var end = void 0;
if (!duration) {
return 0;
}
if (!buffered || !buffered.length) {
buffered = createTimeRanges(0, 0);
}
for (var i = 0; i < buffered.length; i++) {
start = buffered.start(i);
end = buffered.end(i);
// buffered end can be bigger than duration by a very small fraction
if (end > duration) {
end = duration;
}
bufferedDuration += end - start;
}
return bufferedDuration / duration;
}
/**
* @file fullscreen-api.js
* @module fullscreen-api
* @private
*/
/**
* Store the browser-specific methods for the fullscreen API.
*
* @type {Object}
* @see [Specification]{@link https://fullscreen.spec.whatwg.org}
* @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
*/
var FullscreenApi = {};
// browser API methods
var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'],
// WebKit
['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'],
// Old WebKit (Safari 5.1)
['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'],
// Mozilla
['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'],
// Microsoft
['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']];
var specApi = apiMap[0];
var browserApi = void 0;
// determine the supported set of functions
for (var i = 0; i < apiMap.length; i++) {
// check for exitFullscreen function
if (apiMap[i][1] in document_1) {
browserApi = apiMap[i];
break;
}
}
// map the browser API names to the spec API names
if (browserApi) {
for (var _i = 0; _i < browserApi.length; _i++) {
FullscreenApi[specApi[_i]] = browserApi[_i];
}
}
/**
* @file media-error.js
*/
/**
* A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
*
* @param {number|string|Object|MediaError} value
* This can be of multiple types:
* - number: should be a standard error code
* - string: an error message (the code will be 0)
* - Object: arbitrary properties
* - `MediaError` (native): used to populate a video.js `MediaError` object
* - `MediaError` (video.js): will return itself if it's already a
* video.js `MediaError` object.
*
* @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
* @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
*
* @class MediaError
*/
function MediaError(value) {
// Allow redundant calls to this constructor to avoid having `instanceof`
// checks peppered around the code.
if (value instanceof MediaError) {
return value;
}
if (typeof value === 'number') {
this.code = value;
} else if (typeof value === 'string') {
// default code is zero, so this is a custom error
this.message = value;
} else if (isObject(value)) {
// We assign the `code` property manually because native `MediaError` objects
// do not expose it as an own/enumerable property of the object.
if (typeof value.code === 'number') {
this.code = value.code;
}
assign(this, value);
}
if (!this.message) {
this.message = MediaError.defaultMessages[this.code] || '';
}
}
/**
* The error code that refers two one of the defined `MediaError` types
*
* @type {Number}
*/
MediaError.prototype.code = 0;
/**
* An optional message that to show with the error. Message is not part of the HTML5
* video spec but allows for more informative custom errors.
*
* @type {String}
*/
MediaError.prototype.message = '';
/**
* An optional status code that can be set by plugins to allow even more detail about
* the error. For example a plugin might provide a specific HTTP status code and an
* error message for that code. Then when the plugin gets that error this class will
* know how to display an error message for it. This allows a custom message to show
* up on the `Player` error overlay.
*
* @type {Array}
*/
MediaError.prototype.status = null;
/**
* Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
* specification listed under {@link MediaError} for more information.
*
* @enum {array}
* @readonly
* @property {string} 0 - MEDIA_ERR_CUSTOM
* @property {string} 1 - MEDIA_ERR_CUSTOM
* @property {string} 2 - MEDIA_ERR_ABORTED
* @property {string} 3 - MEDIA_ERR_NETWORK
* @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
* @property {string} 5 - MEDIA_ERR_ENCRYPTED
*/
MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
/**
* The default `MediaError` messages based on the {@link MediaError.errorTypes}.
*
* @type {Array}
* @constant
*/
MediaError.defaultMessages = {
1: 'You aborted the media playback',
2: 'A network error caused the media download to fail part-way.',
3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
5: 'The media is encrypted and we do not have the keys to decrypt it.'
};
// Add types as properties on MediaError
// e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
MediaError[MediaError.errorTypes[errNum]] = errNum;
// values should be accessible on both the class and instance
MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
}
var tuple = SafeParseTuple;
function SafeParseTuple(obj, reviver) {
var json;
var error = null;
try {
json = JSON.parse(obj, reviver);
} catch (err) {
error = err;
}
return [error, json]
}
/**
* Returns whether an object is `Promise`-like (i.e. has a `then` method).
*
* @param {Object} value
* An object that may or may not be `Promise`-like.
*
* @return {Boolean}
* Whether or not the object is `Promise`-like.
*/
function isPromise(value) {
return value !== undefined && typeof value.then === 'function';
}
/**
* Silence a Promise-like object.
*
* This is useful for avoiding non-harmful, but potentially confusing "uncaught
* play promise" rejection error messages.
*
* @param {Object} value
* An object that may or may not be `Promise`-like.
*/
function silencePromise(value) {
if (isPromise(value)) {
value.then(null, function (e) {});
}
}
/**
* @file text-track-list-converter.js Utilities for capturing text track state and
* re-creating tracks based on a capture.
*
* @module text-track-list-converter
*/
/**
* Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
* represents the {@link TextTrack}'s state.
*
* @param {TextTrack} track
* The text track to query.
*
* @return {Object}
* A serializable javascript representation of the TextTrack.
* @private
*/
var trackToJson_ = function trackToJson_(track) {
var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {
if (track[prop]) {
acc[prop] = track[prop];
}
return acc;
}, {
cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
return {
startTime: cue.startTime,
endTime: cue.endTime,
text: cue.text,
id: cue.id
};
})
});
return ret;
};
/**
* Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
* state of all {@link TextTrack}s currently configured. The return array is compatible with
* {@link text-track-list-converter:jsonToTextTracks}.
*
* @param {Tech} tech
* The tech object to query
*
* @return {Array}
* A serializable javascript representation of the {@link Tech}s
* {@link TextTrackList}.
*/
var textTracksToJson = function textTracksToJson(tech) {
var trackEls = tech.$$('track');
var trackObjs = Array.prototype.map.call(trackEls, function (t) {
return t.track;
});
var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
var json = trackToJson_(trackEl.track);
if (trackEl.src) {
json.src = trackEl.src;
}
return json;
});
return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
return trackObjs.indexOf(track) === -1;
}).map(trackToJson_));
};
/**
* Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
* object {@link TextTrack} representations.
*
* @param {Array} json
* An array of `TextTrack` representation objects, like those that would be
* produced by `textTracksToJson`.
*
* @param {Tech} tech
* The `Tech` to create the `TextTrack`s on.
*/
var jsonToTextTracks = function jsonToTextTracks(json, tech) {
json.forEach(function (track) {
var addedTrack = tech.addRemoteTextTrack(track).track;
if (!track.src && track.cues) {
track.cues.forEach(function (cue) {
return addedTrack.addCue(cue);
});
}
});
return tech.textTracks();
};
var textTrackConverter = { textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_ };
/**
* @file modal-dialog.js
*/
var MODAL_CLASS_NAME = 'vjs-modal-dialog';
var ESC = 27;
/**
* The `ModalDialog` displays over the video and its controls, which blocks
* interaction with the player until it is closed.
*
* Modal dialogs include a "Close" button and will close when that button
* is activated - or when ESC is pressed anywhere.
*
* @extends Component
*/
var ModalDialog = function (_Component) {
inherits(ModalDialog, _Component);
/**
* Create an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Mixed} [options.content=undefined]
* Provide customized content for this modal.
*
* @param {string} [options.description]
* A text description for the modal, primarily for accessibility.
*
* @param {boolean} [options.fillAlways=false]
* Normally, modals are automatically filled only the first time
* they open. This tells the modal to refresh its content
* every time it opens.
*
* @param {string} [options.label]
* A text label for the modal, primarily for accessibility.
*
* @param {boolean} [options.temporary=true]
* If `true`, the modal can only be opened once; it will be
* disposed as soon as it's closed.
*
* @param {boolean} [options.uncloseable=false]
* If `true`, the user will not be able to close the modal
* through the UI in the normal ways. Programmatic closing is
* still possible.
*/
function ModalDialog(player, options) {
classCallCheck(this, ModalDialog);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;
_this.closeable(!_this.options_.uncloseable);
_this.content(_this.options_.content);
// Make sure the contentEl is defined AFTER any children are initialized
// because we only want the contents of the modal in the contentEl
// (not the UI elements like the close button).
_this.contentEl_ = createEl('div', {
className: MODAL_CLASS_NAME + '-content'
}, {
role: 'document'
});
_this.descEl_ = createEl('p', {
className: MODAL_CLASS_NAME + '-description vjs-control-text',
id: _this.el().getAttribute('aria-describedby')
});
textContent(_this.descEl_, _this.description());
_this.el_.appendChild(_this.descEl_);
_this.el_.appendChild(_this.contentEl_);
return _this;
}
/**
* Create the `ModalDialog`'s DOM element
*
* @return {Element}
* The DOM element that gets created.
*/
ModalDialog.prototype.createEl = function createEl$$1() {
return _Component.prototype.createEl.call(this, 'div', {
className: this.buildCSSClass(),
tabIndex: -1
}, {
'aria-describedby': this.id() + '_description',
'aria-hidden': 'true',
'aria-label': this.label(),
'role': 'dialog'
});
};
ModalDialog.prototype.dispose = function dispose() {
this.contentEl_ = null;
this.descEl_ = null;
this.previouslyActiveEl_ = null;
_Component.prototype.dispose.call(this);
};
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
ModalDialog.prototype.buildCSSClass = function buildCSSClass() {
return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this);
};
/**
* Handles `keydown` events on the document, looking for ESC, which closes
* the modal.
*
* @param {EventTarget~Event} e
* The keypress that triggered this event.
*
* @listens keydown
*/
ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) {
if (e.which === ESC && this.closeable()) {
this.close();
}
};
/**
* Returns the label string for this modal. Primarily used for accessibility.
*
* @return {string}
* the localized or raw label of this modal.
*/
ModalDialog.prototype.label = function label() {
return this.localize(this.options_.label || 'Modal Window');
};
/**
* Returns the description string for this modal. Primarily used for
* accessibility.
*
* @return {string}
* The localized or raw description of this modal.
*/
ModalDialog.prototype.description = function description() {
var desc = this.options_.description || this.localize('This is a modal window.');
// Append a universal closeability message if the modal is closeable.
if (this.closeable()) {
desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
}
return desc;
};
/**
* Opens the modal.
*
* @fires ModalDialog#beforemodalopen
* @fires ModalDialog#modalopen
*/
ModalDialog.prototype.open = function open() {
if (!this.opened_) {
var player = this.player();
/**
* Fired just before a `ModalDialog` is opened.
*
* @event ModalDialog#beforemodalopen
* @type {EventTarget~Event}
*/
this.trigger('beforemodalopen');
this.opened_ = true;
// Fill content if the modal has never opened before and
// never been filled.
if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
this.fill();
}
// If the player was playing, pause it and take note of its previously
// playing state.
this.wasPlaying_ = !player.paused();
if (this.options_.pauseOnOpen && this.wasPlaying_) {
player.pause();
}
if (this.closeable()) {
this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
}
// Hide controls and note if they were enabled.
this.hadControls_ = player.controls();
player.controls(false);
this.show();
this.conditionalFocus_();
this.el().setAttribute('aria-hidden', 'false');
/**
* Fired just after a `ModalDialog` is opened.
*
* @event ModalDialog#modalopen
* @type {EventTarget~Event}
*/
this.trigger('modalopen');
this.hasBeenOpened_ = true;
}
};
/**
* If the `ModalDialog` is currently open or closed.
*
* @param {boolean} [value]
* If given, it will open (`true`) or close (`false`) the modal.
*
* @return {boolean}
* the current open state of the modaldialog
*/
ModalDialog.prototype.opened = function opened(value) {
if (typeof value === 'boolean') {
this[value ? 'open' : 'close']();
}
return this.opened_;
};
/**
* Closes the modal, does nothing if the `ModalDialog` is
* not open.
*
* @fires ModalDialog#beforemodalclose
* @fires ModalDialog#modalclose
*/
ModalDialog.prototype.close = function close() {
if (!this.opened_) {
return;
}
var player = this.player();
/**
* Fired just before a `ModalDialog` is closed.
*
* @event ModalDialog#beforemodalclose
* @type {EventTarget~Event}
*/
this.trigger('beforemodalclose');
this.opened_ = false;
if (this.wasPlaying_ && this.options_.pauseOnOpen) {
player.play();
}
if (this.closeable()) {
this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
}
if (this.hadControls_) {
player.controls(true);
}
this.hide();
this.el().setAttribute('aria-hidden', 'true');
/**
* Fired just after a `ModalDialog` is closed.
*
* @event ModalDialog#modalclose
* @type {EventTarget~Event}
*/
this.trigger('modalclose');
this.conditionalBlur_();
if (this.options_.temporary) {
this.dispose();
}
};
/**
* Check to see if the `ModalDialog` is closeable via the UI.
*
* @param {boolean} [value]
* If given as a boolean, it will set the `closeable` option.
*
* @return {boolean}
* Returns the final value of the closable option.
*/
ModalDialog.prototype.closeable = function closeable(value) {
if (typeof value === 'boolean') {
var closeable = this.closeable_ = !!value;
var close = this.getChild('closeButton');
// If this is being made closeable and has no close button, add one.
if (closeable && !close) {
// The close button should be a child of the modal - not its
// content element, so temporarily change the content element.
var temp = this.contentEl_;
this.contentEl_ = this.el_;
close = this.addChild('closeButton', { controlText: 'Close Modal Dialog' });
this.contentEl_ = temp;
this.on(close, 'close', this.close);
}
// If this is being made uncloseable and has a close button, remove it.
if (!closeable && close) {
this.off(close, 'close', this.close);
this.removeChild(close);
close.dispose();
}
}
return this.closeable_;
};
/**
* Fill the modal's content element with the modal's "content" option.
* The content element will be emptied before this change takes place.
*/
ModalDialog.prototype.fill = function fill() {
this.fillWith(this.content());
};
/**
* Fill the modal's content element with arbitrary content.
* The content element will be emptied before this change takes place.
*
* @fires ModalDialog#beforemodalfill
* @fires ModalDialog#modalfill
*
* @param {Mixed} [content]
* The same rules apply to this as apply to the `content` option.
*/
ModalDialog.prototype.fillWith = function fillWith(content) {
var contentEl = this.contentEl();
var parentEl = contentEl.parentNode;
var nextSiblingEl = contentEl.nextSibling;
/**
* Fired just before a `ModalDialog` is filled with content.
*
* @event ModalDialog#beforemodalfill
* @type {EventTarget~Event}
*/
this.trigger('beforemodalfill');
this.hasBeenFilled_ = true;
// Detach the content element from the DOM before performing
// manipulation to avoid modifying the live DOM multiple times.
parentEl.removeChild(contentEl);
this.empty();
insertContent(contentEl, content);
/**
* Fired just after a `ModalDialog` is filled with content.
*
* @event ModalDialog#modalfill
* @type {EventTarget~Event}
*/
this.trigger('modalfill');
// Re-inject the re-filled content element.
if (nextSiblingEl) {
parentEl.insertBefore(contentEl, nextSiblingEl);
} else {
parentEl.appendChild(contentEl);
}
// make sure that the close button is last in the dialog DOM
var closeButton = this.getChild('closeButton');
if (closeButton) {
parentEl.appendChild(closeButton.el_);
}
};
/**
* Empties the content element. This happens anytime the modal is filled.
*
* @fires ModalDialog#beforemodalempty
* @fires ModalDialog#modalempty
*/
ModalDialog.prototype.empty = function empty() {
/**
* Fired just before a `ModalDialog` is emptied.
*
* @event ModalDialog#beforemodalempty
* @type {EventTarget~Event}
*/
this.trigger('beforemodalempty');
emptyEl(this.contentEl());
/**
* Fired just after a `ModalDialog` is emptied.
*
* @event ModalDialog#modalempty
* @type {EventTarget~Event}
*/
this.trigger('modalempty');
};
/**
* Gets or sets the modal content, which gets normalized before being
* rendered into the DOM.
*
* This does not update the DOM or fill the modal, but it is called during
* that process.
*
* @param {Mixed} [value]
* If defined, sets the internal content value to be used on the
* next call(s) to `fill`. This value is normalized before being
* inserted. To "clear" the internal content value, pass `null`.
*
* @return {Mixed}
* The current content of the modal dialog
*/
ModalDialog.prototype.content = function content(value) {
if (typeof value !== 'undefined') {
this.content_ = value;
}
return this.content_;
};
/**
* conditionally focus the modal dialog if focus was previously on the player.
*
* @private
*/
ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() {
var activeEl = document_1.activeElement;
var playerEl = this.player_.el_;
this.previouslyActiveEl_ = null;
if (playerEl.contains(activeEl) || playerEl === activeEl) {
this.previouslyActiveEl_ = activeEl;
this.focus();
this.on(document_1, 'keydown', this.handleKeyDown);
}
};
/**
* conditionally blur the element and refocus the last focused element
*
* @private
*/
ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() {
if (this.previouslyActiveEl_) {
this.previouslyActiveEl_.focus();
this.previouslyActiveEl_ = null;
}
this.off(document_1, 'keydown', this.handleKeyDown);
};
/**
* Keydown handler. Attached when modal is focused.
*
* @listens keydown
*/
ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) {
// exit early if it isn't a tab key
if (event.which !== 9) {
return;
}
var focusableEls = this.focusableEls_();
var activeEl = this.el_.querySelector(':focus');
var focusIndex = void 0;
for (var i = 0; i < focusableEls.length; i++) {
if (activeEl === focusableEls[i]) {
focusIndex = i;
break;
}
}
if (document_1.activeElement === this.el_) {
focusIndex = 0;
}
if (event.shiftKey && focusIndex === 0) {
focusableEls[focusableEls.length - 1].focus();
event.preventDefault();
} else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
focusableEls[0].focus();
event.preventDefault();
}
};
/**
* get all focusable elements
*
* @private
*/
ModalDialog.prototype.focusableEls_ = function focusableEls_() {
var allChildren = this.el_.querySelectorAll('*');
return Array.prototype.filter.call(allChildren, function (child) {
return (child instanceof window_1.HTMLAnchorElement || child instanceof window_1.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window_1.HTMLInputElement || child instanceof window_1.HTMLSelectElement || child instanceof window_1.HTMLTextAreaElement || child instanceof window_1.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window_1.HTMLIFrameElement || child instanceof window_1.HTMLObjectElement || child instanceof window_1.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
});
};
return ModalDialog;
}(Component);
/**
* Default options for `ModalDialog` default options.
*
* @type {Object}
* @private
*/
ModalDialog.prototype.options_ = {
pauseOnOpen: true,
temporary: true
};
Component.registerComponent('ModalDialog', ModalDialog);
/**
* @file track-list.js
*/
/**
* Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
* {@link VideoTrackList}
*
* @extends EventTarget
*/
var TrackList = function (_EventTarget) {
inherits(TrackList, _EventTarget);
/**
* Create an instance of this class
*
* @param {Track[]} tracks
* A list of tracks to initialize the list with.
*
* @param {Object} [list]
* The child object with inheritance done manually for ie8.
*
* @abstract
*/
function TrackList() {
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
var _ret;
var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
classCallCheck(this, TrackList);
var _this = possibleConstructorReturn(this, _EventTarget.call(this));
if (!list) {
list = _this; // eslint-disable-line
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
}
}
list.tracks_ = [];
/**
* @memberof TrackList
* @member {number} length
* The current number of `Track`s in the this Trackist.
* @instance
*/
Object.defineProperty(list, 'length', {
get: function get$$1() {
return this.tracks_.length;
}
});
for (var i = 0; i < tracks.length; i++) {
list.addTrack(tracks[i]);
}
// must return the object, as for ie8 it will not be this
// but a reference to a document object
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add a {@link Track} to the `TrackList`
*
* @param {Track} track
* The audio, video, or text track to add to the list.
*
* @fires TrackList#addtrack
*/
TrackList.prototype.addTrack = function addTrack(track) {
var index = this.tracks_.length;
if (!('' + index in this)) {
Object.defineProperty(this, index, {
get: function get$$1() {
return this.tracks_[index];
}
});
}
// Do not add duplicate tracks
if (this.tracks_.indexOf(track) === -1) {
this.tracks_.push(track);
/**
* Triggered when a track is added to a track list.
*
* @event TrackList#addtrack
* @type {EventTarget~Event}
* @property {Track} track
* A reference to track that was added.
*/
this.trigger({
track: track,
type: 'addtrack'
});
}
};
/**
* Remove a {@link Track} from the `TrackList`
*
* @param {Track} rtrack
* The audio, video, or text track to remove from the list.
*
* @fires TrackList#removetrack
*/
TrackList.prototype.removeTrack = function removeTrack(rtrack) {
var track = void 0;
for (var i = 0, l = this.length; i < l; i++) {
if (this[i] === rtrack) {
track = this[i];
if (track.off) {
track.off();
}
this.tracks_.splice(i, 1);
break;
}
}
if (!track) {
return;
}
/**
* Triggered when a track is removed from track list.
*
* @event TrackList#removetrack
* @type {EventTarget~Event}
* @property {Track} track
* A reference to track that was removed.
*/
this.trigger({
track: track,
type: 'removetrack'
});
};
/**
* Get a Track from the TrackList by a tracks id
*
* @param {String} id - the id of the track to get
* @method getTrackById
* @return {Track}
* @private
*/
TrackList.prototype.getTrackById = function getTrackById(id) {
var result = null;
for (var i = 0, l = this.length; i < l; i++) {
var track = this[i];
if (track.id === id) {
result = track;
break;
}
}
return result;
};
return TrackList;
}(EventTarget);
/**
* Triggered when a different track is selected/enabled.
*
* @event TrackList#change
* @type {EventTarget~Event}
*/
/**
* Events that can be called with on + eventName. See {@link EventHandler}.
*
* @property {Object} TrackList#allowedEvents_
* @private
*/
TrackList.prototype.allowedEvents_ = {
change: 'change',
addtrack: 'addtrack',
removetrack: 'removetrack'
};
// emulate attribute EventHandler support to allow for feature detection
for (var event in TrackList.prototype.allowedEvents_) {
TrackList.prototype['on' + event] = null;
}
/**
* @file audio-track-list.js
*/
/**
* Anywhere we call this function we diverge from the spec
* as we only support one enabled audiotrack at a time
*
* @param {AudioTrackList} list
* list to work on
*
* @param {AudioTrack} track
* The track to skip
*
* @private
*/
var disableOthers = function disableOthers(list, track) {
for (var i = 0; i < list.length; i++) {
if (!Object.keys(list[i]).length || track.id === list[i].id) {
continue;
}
// another audio track is enabled, disable it
list[i].enabled = false;
}
};
/**
* The current list of {@link AudioTrack} for a media file.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
* @extends TrackList
*/
var AudioTrackList = function (_TrackList) {
inherits(AudioTrackList, _TrackList);
/**
* Create an instance of this class.
*
* @param {AudioTrack[]} [tracks=[]]
* A list of `AudioTrack` to instantiate the list with.
*/
function AudioTrackList() {
var _this, _ret;
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, AudioTrackList);
var list = void 0;
// make sure only 1 track is enabled
// sorted from last index to first index
for (var i = tracks.length - 1; i >= 0; i--) {
if (tracks[i].enabled) {
disableOthers(tracks, tracks[i]);
break;
}
}
// IE8 forces us to implement inheritance ourselves
// as it does not support Object.defineProperty properly
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
for (var _prop in AudioTrackList.prototype) {
if (_prop !== 'constructor') {
list[_prop] = AudioTrackList.prototype[_prop];
}
}
}
list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
list.changing_ = false;
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add an {@link AudioTrack} to the `AudioTrackList`.
*
* @param {AudioTrack} track
* The AudioTrack to add to the list
*
* @fires TrackList#addtrack
*/
AudioTrackList.prototype.addTrack = function addTrack(track) {
var _this2 = this;
if (track.enabled) {
disableOthers(this, track);
}
_TrackList.prototype.addTrack.call(this, track);
// native tracks don't have this
if (!track.addEventListener) {
return;
}
/**
* @listens AudioTrack#enabledchange
* @fires TrackList#change
*/
track.addEventListener('enabledchange', function () {
// when we are disabling other tracks (since we don't support
// more than one track at a time) we will set changing_
// to true so that we don't trigger additional change events
if (_this2.changing_) {
return;
}
_this2.changing_ = true;
disableOthers(_this2, track);
_this2.changing_ = false;
_this2.trigger('change');
});
};
return AudioTrackList;
}(TrackList);
/**
* @file video-track-list.js
*/
/**
* Un-select all other {@link VideoTrack}s that are selected.
*
* @param {VideoTrackList} list
* list to work on
*
* @param {VideoTrack} track
* The track to skip
*
* @private
*/
var disableOthers$1 = function disableOthers(list, track) {
for (var i = 0; i < list.length; i++) {
if (!Object.keys(list[i]).length || track.id === list[i].id) {
continue;
}
// another video track is enabled, disable it
list[i].selected = false;
}
};
/**
* The current list of {@link VideoTrack} for a video.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
* @extends TrackList
*/
var VideoTrackList = function (_TrackList) {
inherits(VideoTrackList, _TrackList);
/**
* Create an instance of this class.
*
* @param {VideoTrack[]} [tracks=[]]
* A list of `VideoTrack` to instantiate the list with.
*/
function VideoTrackList() {
var _this, _ret;
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, VideoTrackList);
var list = void 0;
// make sure only 1 track is enabled
// sorted from last index to first index
for (var i = tracks.length - 1; i >= 0; i--) {
if (tracks[i].selected) {
disableOthers$1(tracks, tracks[i]);
break;
}
}
// IE8 forces us to implement inheritance ourselves
// as it does not support Object.defineProperty properly
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
for (var _prop in VideoTrackList.prototype) {
if (_prop !== 'constructor') {
list[_prop] = VideoTrackList.prototype[_prop];
}
}
}
list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
list.changing_ = false;
/**
* @member {number} VideoTrackList#selectedIndex
* The current index of the selected {@link VideoTrack`}.
*/
Object.defineProperty(list, 'selectedIndex', {
get: function get$$1() {
for (var _i = 0; _i < this.length; _i++) {
if (this[_i].selected) {
return _i;
}
}
return -1;
},
set: function set$$1() {}
});
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add a {@link VideoTrack} to the `VideoTrackList`.
*
* @param {VideoTrack} track
* The VideoTrack to add to the list
*
* @fires TrackList#addtrack
*/
VideoTrackList.prototype.addTrack = function addTrack(track) {
var _this2 = this;
if (track.selected) {
disableOthers$1(this, track);
}
_TrackList.prototype.addTrack.call(this, track);
// native tracks don't have this
if (!track.addEventListener) {
return;
}
/**
* @listens VideoTrack#selectedchange
* @fires TrackList#change
*/
track.addEventListener('selectedchange', function () {
if (_this2.changing_) {
return;
}
_this2.changing_ = true;
disableOthers$1(_this2, track);
_this2.changing_ = false;
_this2.trigger('change');
});
};
return VideoTrackList;
}(TrackList);
/**
* @file text-track-list.js
*/
/**
* The current list of {@link TextTrack} for a media file.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
* @extends TrackList
*/
var TextTrackList = function (_TrackList) {
inherits(TextTrackList, _TrackList);
/**
* Create an instance of this class.
*
* @param {TextTrack[]} [tracks=[]]
* A list of `TextTrack` to instantiate the list with.
*/
function TextTrackList() {
var _this, _ret;
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, TextTrackList);
var list = void 0;
// IE8 forces us to implement inheritance ourselves
// as it does not support Object.defineProperty properly
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
for (var _prop in TextTrackList.prototype) {
if (_prop !== 'constructor') {
list[_prop] = TextTrackList.prototype[_prop];
}
}
}
list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add a {@link TextTrack} to the `TextTrackList`
*
* @param {TextTrack} track
* The text track to add to the list.
*
* @fires TrackList#addtrack
*/
TextTrackList.prototype.addTrack = function addTrack(track) {
_TrackList.prototype.addTrack.call(this, track);
/**
* @listens TextTrack#modechange
* @fires TrackList#change
*/
track.addEventListener('modechange', bind(this, function () {
this.trigger('change');
}));
var nonLanguageTextTrackKind = ['metadata', 'chapters'];
if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
track.addEventListener('modechange', bind(this, function () {
this.trigger('selectedlanguagechange');
}));
}
};
return TextTrackList;
}(TrackList);
/**
* @file html-track-element-list.js
*/
/**
* The current list of {@link HtmlTrackElement}s.
*/
var HtmlTrackElementList = function () {
/**
* Create an instance of this class.
*
* @param {HtmlTrackElement[]} [tracks=[]]
* A list of `HtmlTrackElement` to instantiate the list with.
*/
function HtmlTrackElementList() {
var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, HtmlTrackElementList);
var list = this; // eslint-disable-line
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in HtmlTrackElementList.prototype) {
if (prop !== 'constructor') {
list[prop] = HtmlTrackElementList.prototype[prop];
}
}
}
list.trackElements_ = [];
/**
* @memberof HtmlTrackElementList
* @member {number} length
* The current number of `Track`s in the this Trackist.
* @instance
*/
Object.defineProperty(list, 'length', {
get: function get$$1() {
return this.trackElements_.length;
}
});
for (var i = 0, length = trackElements.length; i < length; i++) {
list.addTrackElement_(trackElements[i]);
}
if (IS_IE8) {
return list;
}
}
/**
* Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
*
* @param {HtmlTrackElement} trackElement
* The track element to add to the list.
*
* @private
*/
HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
var index = this.trackElements_.length;
if (!('' + index in this)) {
Object.defineProperty(this, index, {
get: function get$$1() {
return this.trackElements_[index];
}
});
}
// Do not add duplicate elements
if (this.trackElements_.indexOf(trackElement) === -1) {
this.trackElements_.push(trackElement);
}
};
/**
* Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
* {@link TextTrack}.
*
* @param {TextTrack} track
* The track associated with a track element.
*
* @return {HtmlTrackElement|undefined}
* The track element that was found or undefined.
*
* @private
*/
HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
var trackElement_ = void 0;
for (var i = 0, length = this.trackElements_.length; i < length; i++) {
if (track === this.trackElements_[i].track) {
trackElement_ = this.trackElements_[i];
break;
}
}
return trackElement_;
};
/**
* Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
*
* @param {HtmlTrackElement} trackElement
* The track element to remove from the list.
*
* @private
*/
HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
for (var i = 0, length = this.trackElements_.length; i < length; i++) {
if (trackElement === this.trackElements_[i]) {
this.trackElements_.splice(i, 1);
break;
}
}
};
return HtmlTrackElementList;
}();
/**
* @file text-track-cue-list.js
*/
/**
* @typedef {Object} TextTrackCueList~TextTrackCue
*
* @property {string} id
* The unique id for this text track cue
*
* @property {number} startTime
* The start time for this text track cue
*
* @property {number} endTime
* The end time for this text track cue
*
* @property {boolean} pauseOnExit
* Pause when the end time is reached if true.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
*/
/**
* A List of TextTrackCues.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
*/
var TextTrackCueList = function () {
/**
* Create an instance of this class..
*
* @param {Array} cues
* A list of cues to be initialized with
*/
function TextTrackCueList(cues) {
classCallCheck(this, TextTrackCueList);
var list = this; // eslint-disable-line
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TextTrackCueList.prototype) {
if (prop !== 'constructor') {
list[prop] = TextTrackCueList.prototype[prop];
}
}
}
TextTrackCueList.prototype.setCues_.call(list, cues);
/**
* @memberof TextTrackCueList
* @member {number} length
* The current number of `TextTrackCue`s in the TextTrackCueList.
* @instance
*/
Object.defineProperty(list, 'length', {
get: function get$$1() {
return this.length_;
}
});
if (IS_IE8) {
return list;
}
}
/**
* A setter for cues in this list. Creates getters
* an an index for the cues.
*
* @param {Array} cues
* An array of cues to set
*
* @private
*/
TextTrackCueList.prototype.setCues_ = function setCues_(cues) {
var oldLength = this.length || 0;
var i = 0;
var l = cues.length;
this.cues_ = cues;
this.length_ = cues.length;
var defineProp = function defineProp(index) {
if (!('' + index in this)) {
Object.defineProperty(this, '' + index, {
get: function get$$1() {
return this.cues_[index];
}
});
}
};
if (oldLength < l) {
i = oldLength;
for (; i < l; i++) {
defineProp.call(this, i);
}
}
};
/**
* Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
*
* @param {string} id
* The id of the cue that should be searched for.
*
* @return {TextTrackCueList~TextTrackCue|null}
* A single cue or null if none was found.
*/
TextTrackCueList.prototype.getCueById = function getCueById(id) {
var result = null;
for (var i = 0, l = this.length; i < l; i++) {
var cue = this[i];
if (cue.id === id) {
result = cue;
break;
}
}
return result;
};
return TextTrackCueList;
}();
/**
* @file track-kinds.js
*/
/**
* All possible `VideoTrackKind`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
* @typedef VideoTrack~Kind
* @enum
*/
var VideoTrackKind = {
alternative: 'alternative',
captions: 'captions',
main: 'main',
sign: 'sign',
subtitles: 'subtitles',
commentary: 'commentary'
};
/**
* All possible `AudioTrackKind`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
* @typedef AudioTrack~Kind
* @enum
*/
var AudioTrackKind = {
'alternative': 'alternative',
'descriptions': 'descriptions',
'main': 'main',
'main-desc': 'main-desc',
'translation': 'translation',
'commentary': 'commentary'
};
/**
* All possible `TextTrackKind`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
* @typedef TextTrack~Kind
* @enum
*/
var TextTrackKind = {
subtitles: 'subtitles',
captions: 'captions',
descriptions: 'descriptions',
chapters: 'chapters',
metadata: 'metadata'
};
/**
* All possible `TextTrackMode`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
* @typedef TextTrack~Mode
* @enum
*/
var TextTrackMode = {
disabled: 'disabled',
hidden: 'hidden',
showing: 'showing'
};
/**
* @file track.js
*/
/**
* A Track class that contains all of the common functionality for {@link AudioTrack},
* {@link VideoTrack}, and {@link TextTrack}.
*
* > Note: This class should not be used directly
*
* @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
* @extends EventTarget
* @abstract
*/
var Track = function (_EventTarget) {
inherits(Track, _EventTarget);
/**
* Create an instance of this class.
*
* @param {Object} [options={}]
* Object of option names and values
*
* @param {string} [options.kind='']
* A valid kind for the track type you are creating.
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this AudioTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @abstract
*/
function Track() {
var _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, Track);
var _this = possibleConstructorReturn(this, _EventTarget.call(this));
var track = _this; // eslint-disable-line
if (IS_IE8) {
track = document_1.createElement('custom');
for (var prop in Track.prototype) {
if (prop !== 'constructor') {
track[prop] = Track.prototype[prop];
}
}
}
var trackProps = {
id: options.id || 'vjs_track_' + newGUID(),
kind: options.kind || '',
label: options.label || '',
language: options.language || ''
};
/**
* @memberof Track
* @member {string} id
* The id of this track. Cannot be changed after creation.
* @instance
*
* @readonly
*/
/**
* @memberof Track
* @member {string} kind
* The kind of track that this is. Cannot be changed after creation.
* @instance
*
* @readonly
*/
/**
* @memberof Track
* @member {string} label
* The label of this track. Cannot be changed after creation.
* @instance
*
* @readonly
*/
/**
* @memberof Track
* @member {string} language
* The two letter language code for this track. Cannot be changed after
* creation.
* @instance
*
* @readonly
*/
var _loop = function _loop(key) {
Object.defineProperty(track, key, {
get: function get$$1() {
return trackProps[key];
},
set: function set$$1() {}
});
};
for (var key in trackProps) {
_loop(key);
}
return _ret = track, possibleConstructorReturn(_this, _ret);
}
return Track;
}(EventTarget);
/**
* @file url.js
* @module url
*/
/**
* @typedef {Object} url:URLObject
*
* @property {string} protocol
* The protocol of the url that was parsed.
*
* @property {string} hostname
* The hostname of the url that was parsed.
*
* @property {string} port
* The port of the url that was parsed.
*
* @property {string} pathname
* The pathname of the url that was parsed.
*
* @property {string} search
* The search query of the url that was parsed.
*
* @property {string} hash
* The hash of the url that was parsed.
*
* @property {string} host
* The host of the url that was parsed.
*/
/**
* Resolve and parse the elements of a URL.
*
* @param {String} url
* The url to parse
*
* @return {url:URLObject}
* An object of url details
*/
var parseUrl = function parseUrl(url) {
var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];
// add the url to an anchor and let the browser parse the URL
var a = document_1.createElement('a');
a.href = url;
// IE8 (and 9?) Fix
// ie8 doesn't parse the URL correctly until the anchor is actually
// added to the body, and an innerHTML is needed to trigger the parsing
var addToBody = a.host === '' && a.protocol !== 'file:';
var div = void 0;
if (addToBody) {
div = document_1.createElement('div');
div.innerHTML = '<a href="' + url + '"></a>';
a = div.firstChild;
// prevent the div from affecting layout
div.setAttribute('style', 'display:none; position:absolute;');
document_1.body.appendChild(div);
}
// Copy the specific URL properties to a new object
// This is also needed for IE8 because the anchor loses its
// properties when it's removed from the dom
var details = {};
for (var i = 0; i < props.length; i++) {
details[props[i]] = a[props[i]];
}
// IE9 adds the port to the host property unlike everyone else. If
// a port identifier is added for standard ports, strip it.
if (details.protocol === 'http:') {
details.host = details.host.replace(/:80$/, '');
}
if (details.protocol === 'https:') {
details.host = details.host.replace(/:443$/, '');
}
if (!details.protocol) {
details.protocol = window_1.location.protocol;
}
if (addToBody) {
document_1.body.removeChild(div);
}
return details;
};
/**
* Get absolute version of relative URL. Used to tell flash correct URL.
*
*
* @param {string} url
* URL to make absolute
*
* @return {string}
* Absolute URL
*
* @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
*/
var getAbsoluteURL = function getAbsoluteURL(url) {
// Check if absolute URL
if (!url.match(/^https?:\/\//)) {
// Convert to absolute URL. Flash hosted off-site needs an absolute URL.
var div = document_1.createElement('div');
div.innerHTML = '<a href="' + url + '">x</a>';
url = div.firstChild.href;
}
return url;
};
/**
* Returns the extension of the passed file name. It will return an empty string
* if passed an invalid path.
*
* @param {string} path
* The fileName path like '/path/to/file.mp4'
*
* @returns {string}
* The extension in lower case or an empty string if no
* extension could be found.
*/
var getFileExtension = function getFileExtension(path) {
if (typeof path === 'string') {
var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i;
var pathParts = splitPathRe.exec(path);
if (pathParts) {
return pathParts.pop().toLowerCase();
}
}
return '';
};
/**
* Returns whether the url passed is a cross domain request or not.
*
* @param {string} url
* The url to check.
*
* @return {boolean}
* Whether it is a cross domain request or not.
*/
var isCrossOrigin = function isCrossOrigin(url) {
var winLoc = window_1.location;
var urlInfo = parseUrl(url);
// IE8 protocol relative urls will return ':' for protocol
var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;
// Check if url is for another domain/origin
// IE8 doesn't know location.origin, so we won't rely on it here
var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
return crossOrigin;
};
var Url = (Object.freeze || Object)({
parseUrl: parseUrl,
getAbsoluteURL: getAbsoluteURL,
getFileExtension: getFileExtension,
isCrossOrigin: isCrossOrigin
});
var isFunction_1 = isFunction;
var toString$1 = Object.prototype.toString;
function isFunction (fn) {
var string = toString$1.call(fn);
return string === '[object Function]' ||
(typeof fn === 'function' && string !== '[object RegExp]') ||
(typeof window !== 'undefined' &&
// IE8 and below
(fn === window.setTimeout ||
fn === window.alert ||
fn === window.confirm ||
fn === window.prompt))
}
var trim_1 = createCommonjsModule(function (module, exports) {
exports = module.exports = trim;
function trim(str){
return str.replace(/^\s*|\s*$/g, '');
}
exports.left = function(str){
return str.replace(/^\s*/, '');
};
exports.right = function(str){
return str.replace(/\s*$/, '');
};
});
var forEach_1 = forEach;
var toString$2 = Object.prototype.toString;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function forEach(list, iterator, context) {
if (!isFunction_1(iterator)) {
throw new TypeError('iterator must be a function')
}
if (arguments.length < 3) {
context = this;
}
if (toString$2.call(list) === '[object Array]')
forEachArray$1(list, iterator, context);
else if (typeof list === 'string')
forEachString(list, iterator, context);
else
forEachObject(list, iterator, context);
}
function forEachArray$1(array, iterator, context) {
for (var i = 0, len = array.length; i < len; i++) {
if (hasOwnProperty.call(array, i)) {
iterator.call(context, array[i], i, array);
}
}
}
function forEachString(string, iterator, context) {
for (var i = 0, len = string.length; i < len; i++) {
// no such thing as a sparse string.
iterator.call(context, string.charAt(i), i, string);
}
}
function forEachObject(object, iterator, context) {
for (var k in object) {
if (hasOwnProperty.call(object, k)) {
iterator.call(context, object[k], k, object);
}
}
}
var isArray = function(arg) {
return Object.prototype.toString.call(arg) === '[object Array]';
};
var parseHeaders = function (headers) {
if (!headers)
return {}
var result = {};
forEach_1(
trim_1(headers).split('\n')
, function (row) {
var index = row.indexOf(':')
, key = trim_1(row.slice(0, index)).toLowerCase()
, value = trim_1(row.slice(index + 1));
if (typeof(result[key]) === 'undefined') {
result[key] = value;
} else if (isArray(result[key])) {
result[key].push(value);
} else {
result[key] = [ result[key], value ];
}
}
);
return result
};
var immutable = extend;
var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
function extend() {
var target = {};
for (var i = 0; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (hasOwnProperty$1.call(source, key)) {
target[key] = source[key];
}
}
}
return target
}
var xhr = createXHR;
createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop;
createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window_1.XDomainRequest;
forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) {
createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) {
options = initParams(uri, options, callback);
options.method = method.toUpperCase();
return _createXHR(options)
};
});
function forEachArray(array, iterator) {
for (var i = 0; i < array.length; i++) {
iterator(array[i]);
}
}
function isEmpty(obj){
for(var i in obj){
if(obj.hasOwnProperty(i)) return false
}
return true
}
function initParams(uri, options, callback) {
var params = uri;
if (isFunction_1(options)) {
callback = options;
if (typeof uri === "string") {
params = {uri:uri};
}
} else {
params = immutable(options, {uri: uri});
}
params.callback = callback;
return params
}
function createXHR(uri, options, callback) {
options = initParams(uri, options, callback);
return _createXHR(options)
}
function _createXHR(options) {
if(typeof options.callback === "undefined"){
throw new Error("callback argument missing")
}
var called = false;
var callback = function cbOnce(err, response, body){
if(!called){
called = true;
options.callback(err, response, body);
}
};
function readystatechange() {
if (xhr.readyState === 4) {
setTimeout(loadFunc, 0);
}
}
function getBody() {
// Chrome with requestType=blob throws errors arround when even testing access to responseText
var body = undefined;
if (xhr.response) {
body = xhr.response;
} else {
body = xhr.responseText || getXml(xhr);
}
if (isJson) {
try {
body = JSON.parse(body);
} catch (e) {}
}
return body
}
function errorFunc(evt) {
clearTimeout(timeoutTimer);
if(!(evt instanceof Error)){
evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") );
}
evt.statusCode = 0;
return callback(evt, failureResponse)
}
// will load the data & process the response in a special response object
function loadFunc() {
if (aborted) return
var status;
clearTimeout(timeoutTimer);
if(options.useXDR && xhr.status===undefined) {
//IE8 CORS GET successful response doesn't have a status field, but body is fine
status = 200;
} else {
status = (xhr.status === 1223 ? 204 : xhr.status);
}
var response = failureResponse;
var err = null;
if (status !== 0){
response = {
body: getBody(),
statusCode: status,
method: method,
headers: {},
url: uri,
rawRequest: xhr
};
if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE
response.headers = parseHeaders(xhr.getAllResponseHeaders());
}
} else {
err = new Error("Internal XMLHttpRequest Error");
}
return callback(err, response, response.body)
}
var xhr = options.xhr || null;
if (!xhr) {
if (options.cors || options.useXDR) {
xhr = new createXHR.XDomainRequest();
}else{
xhr = new createXHR.XMLHttpRequest();
}
}
var key;
var aborted;
var uri = xhr.url = options.uri || options.url;
var method = xhr.method = options.method || "GET";
var body = options.body || options.data;
var headers = xhr.headers = options.headers || {};
var sync = !!options.sync;
var isJson = false;
var timeoutTimer;
var failureResponse = {
body: undefined,
headers: {},
statusCode: 0,
method: method,
url: uri,
rawRequest: xhr
};
if ("json" in options && options.json !== false) {
isJson = true;
headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user
if (method !== "GET" && method !== "HEAD") {
headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user
body = JSON.stringify(options.json === true ? body : options.json);
}
}
xhr.onreadystatechange = readystatechange;
xhr.onload = loadFunc;
xhr.onerror = errorFunc;
// IE9 must have onprogress be set to a unique function.
xhr.onprogress = function () {
// IE must die
};
xhr.onabort = function(){
aborted = true;
};
xhr.ontimeout = errorFunc;
xhr.open(method, uri, !sync, options.username, options.password);
//has to be after open
if(!sync) {
xhr.withCredentials = !!options.withCredentials;
}
// Cannot set timeout with sync request
// not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
// both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
if (!sync && options.timeout > 0 ) {
timeoutTimer = setTimeout(function(){
if (aborted) return
aborted = true;//IE9 may still call readystatechange
xhr.abort("timeout");
var e = new Error("XMLHttpRequest timeout");
e.code = "ETIMEDOUT";
errorFunc(e);
}, options.timeout );
}
if (xhr.setRequestHeader) {
for(key in headers){
if(headers.hasOwnProperty(key)){
xhr.setRequestHeader(key, headers[key]);
}
}
} else if (options.headers && !isEmpty(options.headers)) {
throw new Error("Headers cannot be set on an XDomainRequest object")
}
if ("responseType" in options) {
xhr.responseType = options.responseType;
}
if ("beforeSend" in options &&
typeof options.beforeSend === "function"
) {
options.beforeSend(xhr);
}
// Microsoft Edge browser sends "undefined" when send is called with undefined value.
// XMLHttpRequest spec says to pass null as body to indicate no body
// See https://github.com/naugtur/xhr/issues/100.
xhr.send(body || null);
return xhr
}
function getXml(xhr) {
if (xhr.responseType === "document") {
return xhr.responseXML
}
var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror";
if (xhr.responseType === "" && !firefoxBugTakenEffect) {
return xhr.responseXML
}
return null
}
function noop() {}
/**
* @file text-track.js
*/
/**
* Takes a webvtt file contents and parses it into cues
*
* @param {string} srcContent
* webVTT file contents
*
* @param {TextTrack} track
* TextTrack to add cues to. Cues come from the srcContent.
*
* @private
*/
var parseCues = function parseCues(srcContent, track) {
var parser = new window_1.WebVTT.Parser(window_1, window_1.vttjs, window_1.WebVTT.StringDecoder());
var errors = [];
parser.oncue = function (cue) {
track.addCue(cue);
};
parser.onparsingerror = function (error) {
errors.push(error);
};
parser.onflush = function () {
track.trigger({
type: 'loadeddata',
target: track
});
};
parser.parse(srcContent);
if (errors.length > 0) {
if (window_1.console && window_1.console.groupCollapsed) {
window_1.console.groupCollapsed('Text Track parsing errors for ' + track.src);
}
errors.forEach(function (error) {
return log$1.error(error);
});
if (window_1.console && window_1.console.groupEnd) {
window_1.console.groupEnd();
}
}
parser.flush();
};
/**
* Load a `TextTrack` from a specifed url.
*
* @param {string} src
* Url to load track from.
*
* @param {TextTrack} track
* Track to add cues to. Comes from the content at the end of `url`.
*
* @private
*/
var loadTrack = function loadTrack(src, track) {
var opts = {
uri: src
};
var crossOrigin = isCrossOrigin(src);
if (crossOrigin) {
opts.cors = crossOrigin;
}
xhr(opts, bind(this, function (err, response, responseBody) {
if (err) {
return log$1.error(err, response);
}
track.loaded_ = true;
// Make sure that vttjs has loaded, otherwise, wait till it finished loading
// NOTE: this is only used for the alt/video.novtt.js build
if (typeof window_1.WebVTT !== 'function') {
if (track.tech_) {
var loadHandler = function loadHandler() {
return parseCues(responseBody, track);
};
track.tech_.on('vttjsloaded', loadHandler);
track.tech_.on('vttjserror', function () {
log$1.error('vttjs failed to load, stopping trying to process ' + track.src);
track.tech_.off('vttjsloaded', loadHandler);
});
}
} else {
parseCues(responseBody, track);
}
}));
};
/**
* A representation of a single `TextTrack`.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
* @extends Track
*/
var TextTrack = function (_Track) {
inherits(TextTrack, _Track);
/**
* Create an instance of this class.
*
* @param {Object} options={}
* Object of option names and values
*
* @param {Tech} options.tech
* A reference to the tech that owns this TextTrack.
*
* @param {TextTrack~Kind} [options.kind='subtitles']
* A valid text track kind.
*
* @param {TextTrack~Mode} [options.mode='disabled']
* A valid text track mode.
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this TextTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {string} [options.srclang='']
* A valid two character language code. An alternative, but deprioritized
* vesion of `options.language`
*
* @param {string} [options.src]
* A url to TextTrack cues.
*
* @param {boolean} [options.default]
* If this track should default to on or off.
*/
function TextTrack() {
var _this, _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, TextTrack);
if (!options.tech) {
throw new Error('A tech was not provided.');
}
var settings = mergeOptions(options, {
kind: TextTrackKind[options.kind] || 'subtitles',
language: options.language || options.srclang || ''
});
var mode = TextTrackMode[settings.mode] || 'disabled';
var default_ = settings['default'];
if (settings.kind === 'metadata' || settings.kind === 'chapters') {
mode = 'hidden';
}
// on IE8 this will be a document element
// for every other browser this will be a normal object
var tt = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
tt.tech_ = settings.tech;
if (IS_IE8) {
for (var prop in TextTrack.prototype) {
if (prop !== 'constructor') {
tt[prop] = TextTrack.prototype[prop];
}
}
}
tt.cues_ = [];
tt.activeCues_ = [];
var cues = new TextTrackCueList(tt.cues_);
var activeCues = new TextTrackCueList(tt.activeCues_);
var changed = false;
var timeupdateHandler = bind(tt, function () {
// Accessing this.activeCues for the side-effects of updating itself
// due to it's nature as a getter function. Do not remove or cues will
// stop updating!
/* eslint-disable no-unused-expressions */
this.activeCues;
/* eslint-enable no-unused-expressions */
if (changed) {
this.trigger('cuechange');
changed = false;
}
});
if (mode !== 'disabled') {
tt.tech_.ready(function () {
tt.tech_.on('timeupdate', timeupdateHandler);
}, true);
}
/**
* @memberof TextTrack
* @member {boolean} default
* If this track was set to be on or off by default. Cannot be changed after
* creation.
* @instance
*
* @readonly
*/
Object.defineProperty(tt, 'default', {
get: function get$$1() {
return default_;
},
set: function set$$1() {}
});
/**
* @memberof TextTrack
* @member {string} mode
* Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
* not be set if setting to an invalid mode.
* @instance
*
* @fires TextTrack#modechange
*/
Object.defineProperty(tt, 'mode', {
get: function get$$1() {
return mode;
},
set: function set$$1(newMode) {
var _this2 = this;
if (!TextTrackMode[newMode]) {
return;
}
mode = newMode;
if (mode === 'showing') {
this.tech_.ready(function () {
_this2.tech_.on('timeupdate', timeupdateHandler);
}, true);
}
/**
* An event that fires when mode changes on this track. This allows
* the TextTrackList that holds this track to act accordingly.
*
* > Note: This is not part of the spec!
*
* @event TextTrack#modechange
* @type {EventTarget~Event}
*/
this.trigger('modechange');
}
});
/**
* @memberof TextTrack
* @member {TextTrackCueList} cues
* The text track cue list for this TextTrack.
* @instance
*/
Object.defineProperty(tt, 'cues', {
get: function get$$1() {
if (!this.loaded_) {
return null;
}
return cues;
},
set: function set$$1() {}
});
/**
* @memberof TextTrack
* @member {TextTrackCueList} activeCues
* The list text track cues that are currently active for this TextTrack.
* @instance
*/
Object.defineProperty(tt, 'activeCues', {
get: function get$$1() {
if (!this.loaded_) {
return null;
}
// nothing to do
if (this.cues.length === 0) {
return activeCues;
}
var ct = this.tech_.currentTime();
var active = [];
for (var i = 0, l = this.cues.length; i < l; i++) {
var cue = this.cues[i];
if (cue.startTime <= ct && cue.endTime >= ct) {
active.push(cue);
} else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
active.push(cue);
}
}
changed = false;
if (active.length !== this.activeCues_.length) {
changed = true;
} else {
for (var _i = 0; _i < active.length; _i++) {
if (this.activeCues_.indexOf(active[_i]) === -1) {
changed = true;
}
}
}
this.activeCues_ = active;
activeCues.setCues_(this.activeCues_);
return activeCues;
},
set: function set$$1() {}
});
if (settings.src) {
tt.src = settings.src;
loadTrack(settings.src, tt);
} else {
tt.loaded_ = true;
}
return _ret = tt, possibleConstructorReturn(_this, _ret);
}
/**
* Add a cue to the internal list of cues.
*
* @param {TextTrack~Cue} cue
* The cue to add to our internal list
*/
TextTrack.prototype.addCue = function addCue(originalCue) {
var cue = originalCue;
if (window_1.vttjs && !(originalCue instanceof window_1.vttjs.VTTCue)) {
cue = new window_1.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
for (var prop in originalCue) {
if (!(prop in cue)) {
cue[prop] = originalCue[prop];
}
}
// make sure that `id` is copied over
cue.id = originalCue.id;
cue.originalCue_ = originalCue;
}
var tracks = this.tech_.textTracks();
for (var i = 0; i < tracks.length; i++) {
if (tracks[i] !== this) {
tracks[i].removeCue(cue);
}
}
this.cues_.push(cue);
this.cues.setCues_(this.cues_);
};
/**
* Remove a cue from our internal list
*
* @param {TextTrack~Cue} removeCue
* The cue to remove from our internal list
*/
TextTrack.prototype.removeCue = function removeCue(_removeCue) {
var i = this.cues_.length;
while (i--) {
var cue = this.cues_[i];
if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
this.cues_.splice(i, 1);
this.cues.setCues_(this.cues_);
break;
}
}
};
return TextTrack;
}(Track);
/**
* cuechange - One or more cues in the track have become active or stopped being active.
*/
TextTrack.prototype.allowedEvents_ = {
cuechange: 'cuechange'
};
/**
* A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
* only one `AudioTrack` in the list will be enabled at a time.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
* @extends Track
*/
var AudioTrack = function (_Track) {
inherits(AudioTrack, _Track);
/**
* Create an instance of this class.
*
* @param {Object} [options={}]
* Object of option names and values
*
* @param {AudioTrack~Kind} [options.kind='']
* A valid audio track kind
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this AudioTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {boolean} [options.enabled]
* If this track is the one that is currently playing. If this track is part of
* an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
*/
function AudioTrack() {
var _this, _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, AudioTrack);
var settings = mergeOptions(options, {
kind: AudioTrackKind[options.kind] || ''
});
// on IE8 this will be a document element
// for every other browser this will be a normal object
var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
var enabled = false;
if (IS_IE8) {
for (var prop in AudioTrack.prototype) {
if (prop !== 'constructor') {
track[prop] = AudioTrack.prototype[prop];
}
}
}
/**
* @memberof AudioTrack
* @member {boolean} enabled
* If this `AudioTrack` is enabled or not. When setting this will
* fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
* @instance
*
* @fires VideoTrack#selectedchange
*/
Object.defineProperty(track, 'enabled', {
get: function get$$1() {
return enabled;
},
set: function set$$1(newEnabled) {
// an invalid or unchanged value
if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
return;
}
enabled = newEnabled;
/**
* An event that fires when enabled changes on this track. This allows
* the AudioTrackList that holds this track to act accordingly.
*
* > Note: This is not part of the spec! Native tracks will do
* this internally without an event.
*
* @event AudioTrack#enabledchange
* @type {EventTarget~Event}
*/
this.trigger('enabledchange');
}
});
// if the user sets this track to selected then
// set selected to that true value otherwise
// we keep it false
if (settings.enabled) {
track.enabled = settings.enabled;
}
track.loaded_ = true;
return _ret = track, possibleConstructorReturn(_this, _ret);
}
return AudioTrack;
}(Track);
/**
* A representation of a single `VideoTrack`.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
* @extends Track
*/
var VideoTrack = function (_Track) {
inherits(VideoTrack, _Track);
/**
* Create an instance of this class.
*
* @param {Object} [options={}]
* Object of option names and values
*
* @param {string} [options.kind='']
* A valid {@link VideoTrack~Kind}
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this AudioTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {boolean} [options.selected]
* If this track is the one that is currently playing.
*/
function VideoTrack() {
var _this, _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, VideoTrack);
var settings = mergeOptions(options, {
kind: VideoTrackKind[options.kind] || ''
});
// on IE8 this will be a document element
// for every other browser this will be a normal object
var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
var selected = false;
if (IS_IE8) {
for (var prop in VideoTrack.prototype) {
if (prop !== 'constructor') {
track[prop] = VideoTrack.prototype[prop];
}
}
}
/**
* @memberof VideoTrack
* @member {boolean} selected
* If this `VideoTrack` is selected or not. When setting this will
* fire {@link VideoTrack#selectedchange} if the state of selected changed.
* @instance
*
* @fires VideoTrack#selectedchange
*/
Object.defineProperty(track, 'selected', {
get: function get$$1() {
return selected;
},
set: function set$$1(newSelected) {
// an invalid or unchanged value
if (typeof newSelected !== 'boolean' || newSelected === selected) {
return;
}
selected = newSelected;
/**
* An event that fires when selected changes on this track. This allows
* the VideoTrackList that holds this track to act accordingly.
*
* > Note: This is not part of the spec! Native tracks will do
* this internally without an event.
*
* @event VideoTrack#selectedchange
* @type {EventTarget~Event}
*/
this.trigger('selectedchange');
}
});
// if the user sets this track to selected then
// set selected to that true value otherwise
// we keep it false
if (settings.selected) {
track.selected = settings.selected;
}
return _ret = track, possibleConstructorReturn(_this, _ret);
}
return VideoTrack;
}(Track);
/**
* @file html-track-element.js
*/
/**
* @memberof HTMLTrackElement
* @typedef {HTMLTrackElement~ReadyState}
* @enum {number}
*/
var NONE = 0;
var LOADING = 1;
var LOADED = 2;
var ERROR = 3;
/**
* A single track represented in the DOM.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
* @extends EventTarget
*/
var HTMLTrackElement = function (_EventTarget) {
inherits(HTMLTrackElement, _EventTarget);
/**
* Create an instance of this class.
*
* @param {Object} options={}
* Object of option names and values
*
* @param {Tech} options.tech
* A reference to the tech that owns this HTMLTrackElement.
*
* @param {TextTrack~Kind} [options.kind='subtitles']
* A valid text track kind.
*
* @param {TextTrack~Mode} [options.mode='disabled']
* A valid text track mode.
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this TextTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {string} [options.srclang='']
* A valid two character language code. An alternative, but deprioritized
* vesion of `options.language`
*
* @param {string} [options.src]
* A url to TextTrack cues.
*
* @param {boolean} [options.default]
* If this track should default to on or off.
*/
function HTMLTrackElement() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, HTMLTrackElement);
var _this = possibleConstructorReturn(this, _EventTarget.call(this));
var readyState = void 0;
var trackElement = _this; // eslint-disable-line
if (IS_IE8) {
trackElement = document_1.createElement('custom');
for (var prop in HTMLTrackElement.prototype) {
if (prop !== 'constructor') {
trackElement[prop] = HTMLTrackElement.prototype[prop];
}
}
}
var track = new TextTrack(options);
trackElement.kind = track.kind;
trackElement.src = track.src;
trackElement.srclang = track.language;
trackElement.label = track.label;
trackElement['default'] = track['default'];
/**
* @memberof HTMLTrackElement
* @member {HTMLTrackElement~ReadyState} readyState
* The current ready state of the track element.
* @instance
*/
Object.defineProperty(trackElement, 'readyState', {
get: function get$$1() {
return readyState;
}
});
/**
* @memberof HTMLTrackElement
* @member {TextTrack} track
* The underlying TextTrack object.
* @instance
*
*/
Object.defineProperty(trackElement, 'track', {
get: function get$$1() {
return track;
}
});
readyState = NONE;
/**
* @listens TextTrack#loadeddata
* @fires HTMLTrackElement#load
*/
track.addEventListener('loadeddata', function () {
readyState = LOADED;
trackElement.trigger({
type: 'load',
target: trackElement
});
});
if (IS_IE8) {
var _ret;
return _ret = trackElement, possibleConstructorReturn(_this, _ret);
}
return _this;
}
return HTMLTrackElement;
}(EventTarget);
HTMLTrackElement.prototype.allowedEvents_ = {
load: 'load'
};
HTMLTrackElement.NONE = NONE;
HTMLTrackElement.LOADING = LOADING;
HTMLTrackElement.LOADED = LOADED;
HTMLTrackElement.ERROR = ERROR;
/*
* This file contains all track properties that are used in
* player.js, tech.js, html5.js and possibly other techs in the future.
*/
var NORMAL = {
audio: {
ListClass: AudioTrackList,
TrackClass: AudioTrack,
capitalName: 'Audio'
},
video: {
ListClass: VideoTrackList,
TrackClass: VideoTrack,
capitalName: 'Video'
},
text: {
ListClass: TextTrackList,
TrackClass: TextTrack,
capitalName: 'Text'
}
};
Object.keys(NORMAL).forEach(function (type) {
NORMAL[type].getterName = type + 'Tracks';
NORMAL[type].privateName = type + 'Tracks_';
});
var REMOTE = {
remoteText: {
ListClass: TextTrackList,
TrackClass: TextTrack,
capitalName: 'RemoteText',
getterName: 'remoteTextTracks',
privateName: 'remoteTextTracks_'
},
remoteTextEl: {
ListClass: HtmlTrackElementList,
TrackClass: HTMLTrackElement,
capitalName: 'RemoteTextTrackEls',
getterName: 'remoteTextTrackEls',
privateName: 'remoteTextTrackEls_'
}
};
var ALL = mergeOptions(NORMAL, REMOTE);
REMOTE.names = Object.keys(REMOTE);
NORMAL.names = Object.keys(NORMAL);
ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
/**
* Copyright 2013 vtt.js Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
var _objCreate = Object.create || (function() {
function F() {}
return function(o) {
if (arguments.length !== 1) {
throw new Error('Object.create shim only accepts one parameter.');
}
F.prototype = o;
return new F();
};
})();
// Creates a new ParserError object from an errorData object. The errorData
// object should have default code and message properties. The default message
// property can be overriden by passing in a message parameter.
// See ParsingError.Errors below for acceptable errors.
function ParsingError(errorData, message) {
this.name = "ParsingError";
this.code = errorData.code;
this.message = message || errorData.message;
}
ParsingError.prototype = _objCreate(Error.prototype);
ParsingError.prototype.constructor = ParsingError;
// ParsingError metadata for acceptable ParsingErrors.
ParsingError.Errors = {
BadSignature: {
code: 0,
message: "Malformed WebVTT signature."
},
BadTimeStamp: {
code: 1,
message: "Malformed time stamp."
}
};
// Try to parse input as a time stamp.
function parseTimeStamp(input) {
function computeSeconds(h, m, s, f) {
return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
}
var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);
if (!m) {
return null;
}
if (m[3]) {
// Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]);
} else if (m[1] > 59) {
// Timestamp takes the form of [hours]:[minutes].[milliseconds]
// First position is hours as it's over 59.
return computeSeconds(m[1], m[2], 0, m[4]);
} else {
// Timestamp takes the form of [minutes]:[seconds].[milliseconds]
return computeSeconds(0, m[1], m[2], m[4]);
}
}
// A settings object holds key/value pairs and will ignore anything but the first
// assignment to a specific key.
function Settings() {
this.values = _objCreate(null);
}
Settings.prototype = {
// Only accept the first assignment to any key.
set: function(k, v) {
if (!this.get(k) && v !== "") {
this.values[k] = v;
}
},
// Return the value for a key, or a default value.
// If 'defaultKey' is passed then 'dflt' is assumed to be an object with
// a number of possible default values as properties where 'defaultKey' is
// the key of the property that will be chosen; otherwise it's assumed to be
// a single value.
get: function(k, dflt, defaultKey) {
if (defaultKey) {
return this.has(k) ? this.values[k] : dflt[defaultKey];
}
return this.has(k) ? this.values[k] : dflt;
},
// Check whether we have a value for a key.
has: function(k) {
return k in this.values;
},
// Accept a setting if its one of the given alternatives.
alt: function(k, v, a) {
for (var n = 0; n < a.length; ++n) {
if (v === a[n]) {
this.set(k, v);
break;
}
}
},
// Accept a setting if its a valid (signed) integer.
integer: function(k, v) {
if (/^-?\d+$/.test(v)) { // integer
this.set(k, parseInt(v, 10));
}
},
// Accept a setting if its a valid percentage.
percent: function(k, v) {
var m;
if ((m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/))) {
v = parseFloat(v);
if (v >= 0 && v <= 100) {
this.set(k, v);
return true;
}
}
return false;
}
};
// Helper function to parse input into groups separated by 'groupDelim', and
// interprete each group as a key/value pair separated by 'keyValueDelim'.
function parseOptions(input, callback, keyValueDelim, groupDelim) {
var groups = groupDelim ? input.split(groupDelim) : [input];
for (var i in groups) {
if (typeof groups[i] !== "string") {
continue;
}
var kv = groups[i].split(keyValueDelim);
if (kv.length !== 2) {
continue;
}
var k = kv[0];
var v = kv[1];
callback(k, v);
}
}
function parseCue(input, cue, regionList) {
// Remember the original input if we need to throw an error.
var oInput = input;
// 4.1 WebVTT timestamp
function consumeTimeStamp() {
var ts = parseTimeStamp(input);
if (ts === null) {
throw new ParsingError(ParsingError.Errors.BadTimeStamp,
"Malformed timestamp: " + oInput);
}
// Remove time stamp from input.
input = input.replace(/^[^\sa-zA-Z-]+/, "");
return ts;
}
// 4.4.2 WebVTT cue settings
function consumeCueSettings(input, cue) {
var settings = new Settings();
parseOptions(input, function (k, v) {
switch (k) {
case "region":
// Find the last region we parsed with the same region id.
for (var i = regionList.length - 1; i >= 0; i--) {
if (regionList[i].id === v) {
settings.set(k, regionList[i].region);
break;
}
}
break;
case "vertical":
settings.alt(k, v, ["rl", "lr"]);
break;
case "line":
var vals = v.split(","),
vals0 = vals[0];
settings.integer(k, vals0);
settings.percent(k, vals0) ? settings.set("snapToLines", false) : null;
settings.alt(k, vals0, ["auto"]);
if (vals.length === 2) {
settings.alt("lineAlign", vals[1], ["start", "middle", "end"]);
}
break;
case "position":
vals = v.split(",");
settings.percent(k, vals[0]);
if (vals.length === 2) {
settings.alt("positionAlign", vals[1], ["start", "middle", "end"]);
}
break;
case "size":
settings.percent(k, v);
break;
case "align":
settings.alt(k, v, ["start", "middle", "end", "left", "right"]);
break;
}
}, /:/, /\s/);
// Apply default values for any missing fields.
cue.region = settings.get("region", null);
cue.vertical = settings.get("vertical", "");
cue.line = settings.get("line", "auto");
cue.lineAlign = settings.get("lineAlign", "start");
cue.snapToLines = settings.get("snapToLines", true);
cue.size = settings.get("size", 100);
cue.align = settings.get("align", "middle");
cue.position = settings.get("position", {
start: 0,
left: 0,
middle: 50,
end: 100,
right: 100
}, cue.align);
cue.positionAlign = settings.get("positionAlign", {
start: "start",
left: "start",
middle: "middle",
end: "end",
right: "end"
}, cue.align);
}
function skipWhitespace() {
input = input.replace(/^\s+/, "");
}
// 4.1 WebVTT cue timings.
skipWhitespace();
cue.startTime = consumeTimeStamp(); // (1) collect cue start time
skipWhitespace();
if (input.substr(0, 3) !== "-->") { // (3) next characters must match "-->"
throw new ParsingError(ParsingError.Errors.BadTimeStamp,
"Malformed time stamp (time stamps must be separated by '-->'): " +
oInput);
}
input = input.substr(3);
skipWhitespace();
cue.endTime = consumeTimeStamp(); // (5) collect cue end time
// 4.1 WebVTT cue settings list.
skipWhitespace();
consumeCueSettings(input, cue);
}
var ESCAPE = {
"&amp;": "&",
"&lt;": "<",
"&gt;": ">",
"&lrm;": "\u200e",
"&rlm;": "\u200f",
"&nbsp;": "\u00a0"
};
var TAG_NAME = {
c: "span",
i: "i",
b: "b",
u: "u",
ruby: "ruby",
rt: "rt",
v: "span",
lang: "span"
};
var TAG_ANNOTATION = {
v: "title",
lang: "lang"
};
var NEEDS_PARENT = {
rt: "ruby"
};
// Parse content into a document fragment.
function parseContent(window, input) {
function nextToken() {
// Check for end-of-string.
if (!input) {
return null;
}
// Consume 'n' characters from the input.
function consume(result) {
input = input.substr(result.length);
return result;
}
var m = input.match(/^([^<]*)(<[^>]+>?)?/);
// If there is some text before the next tag, return it, otherwise return
// the tag.
return consume(m[1] ? m[1] : m[2]);
}
// Unescape a string 's'.
function unescape1(e) {
return ESCAPE[e];
}
function unescape(s) {
while ((m = s.match(/&(amp|lt|gt|lrm|rlm|nbsp);/))) {
s = s.replace(m[0], unescape1);
}
return s;
}
function shouldAdd(current, element) {
return !NEEDS_PARENT[element.localName] ||
NEEDS_PARENT[element.localName] === current.localName;
}
// Create an element for this tag.
function createElement(type, annotation) {
var tagName = TAG_NAME[type];
if (!tagName) {
return null;
}
var element = window.document.createElement(tagName);
element.localName = tagName;
var name = TAG_ANNOTATION[type];
if (name && annotation) {
element[name] = annotation.trim();
}
return element;
}
var rootDiv = window.document.createElement("div"),
current = rootDiv,
t,
tagStack = [];
while ((t = nextToken()) !== null) {
if (t[0] === '<') {
if (t[1] === "/") {
// If the closing tag matches, move back up to the parent node.
if (tagStack.length &&
tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) {
tagStack.pop();
current = current.parentNode;
}
// Otherwise just ignore the end tag.
continue;
}
var ts = parseTimeStamp(t.substr(1, t.length - 2));
var node;
if (ts) {
// Timestamps are lead nodes as well.
node = window.document.createProcessingInstruction("timestamp", ts);
current.appendChild(node);
continue;
}
var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/);
// If we can't parse the tag, skip to the next tag.
if (!m) {
continue;
}
// Try to construct an element, and ignore the tag if we couldn't.
node = createElement(m[1], m[3]);
if (!node) {
continue;
}
// Determine if the tag should be added based on the context of where it
// is placed in the cuetext.
if (!shouldAdd(current, node)) {
continue;
}
// Set the class list (as a list of classes, separated by space).
if (m[2]) {
node.className = m[2].substr(1).replace('.', ' ');
}
// Append the node to the current node, and enter the scope of the new
// node.
tagStack.push(m[1]);
current.appendChild(node);
current = node;
continue;
}
// Text nodes are leaf nodes.
current.appendChild(window.document.createTextNode(unescape(t)));
}
return rootDiv;
}
// This is a list of all the Unicode characters that have a strong
// right-to-left category. What this means is that these characters are
// written right-to-left for sure. It was generated by pulling all the strong
// right-to-left characters out of the Unicode data table. That table can
// found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6],
[0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d],
[0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6],
[0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5],
[0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815],
[0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858],
[0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f],
[0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c],
[0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1],
[0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc],
[0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808],
[0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855],
[0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f],
[0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13],
[0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58],
[0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72],
[0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f],
[0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32],
[0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42],
[0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f],
[0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59],
[0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62],
[0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77],
[0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b],
[0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];
function isStrongRTLChar(charCode) {
for (var i = 0; i < strongRTLRanges.length; i++) {
var currentRange = strongRTLRanges[i];
if (charCode >= currentRange[0] && charCode <= currentRange[1]) {
return true;
}
}
return false;
}
function determineBidi(cueDiv) {
var nodeStack = [],
text = "",
charCode;
if (!cueDiv || !cueDiv.childNodes) {
return "ltr";
}
function pushNodes(nodeStack, node) {
for (var i = node.childNodes.length - 1; i >= 0; i--) {
nodeStack.push(node.childNodes[i]);
}
}
function nextTextNode(nodeStack) {
if (!nodeStack || !nodeStack.length) {
return null;
}
var node = nodeStack.pop(),
text = node.textContent || node.innerText;
if (text) {
// TODO: This should match all unicode type B characters (paragraph
// separator characters). See issue #115.
var m = text.match(/^.*(\n|\r)/);
if (m) {
nodeStack.length = 0;
return m[0];
}
return text;
}
if (node.tagName === "ruby") {
return nextTextNode(nodeStack);
}
if (node.childNodes) {
pushNodes(nodeStack, node);
return nextTextNode(nodeStack);
}
}
pushNodes(nodeStack, cueDiv);
while ((text = nextTextNode(nodeStack))) {
for (var i = 0; i < text.length; i++) {
charCode = text.charCodeAt(i);
if (isStrongRTLChar(charCode)) {
return "rtl";
}
}
}
return "ltr";
}
function computeLinePos(cue) {
if (typeof cue.line === "number" &&
(cue.snapToLines || (cue.line >= 0 && cue.line <= 100))) {
return cue.line;
}
if (!cue.track || !cue.track.textTrackList ||
!cue.track.textTrackList.mediaElement) {
return -1;
}
var track = cue.track,
trackList = track.textTrackList,
count = 0;
for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {
if (trackList[i].mode === "showing") {
count++;
}
}
return ++count * -1;
}
function StyleBox() {
}
// Apply styles to a div. If there is no div passed then it defaults to the
// div on 'this'.
StyleBox.prototype.applyStyles = function(styles, div) {
div = div || this.div;
for (var prop in styles) {
if (styles.hasOwnProperty(prop)) {
div.style[prop] = styles[prop];
}
}
};
StyleBox.prototype.formatStyle = function(val, unit) {
return val === 0 ? 0 : val + unit;
};
// Constructs the computed display state of the cue (a div). Places the div
// into the overlay which should be a block level element (usually a div).
function CueStyleBox(window, cue, styleOptions) {
var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
var color = "rgba(255, 255, 255, 1)";
var backgroundColor = "rgba(0, 0, 0, 0.8)";
if (isIE8) {
color = "rgb(255, 255, 255)";
backgroundColor = "rgb(0, 0, 0)";
}
StyleBox.call(this);
this.cue = cue;
// Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will
// have inline positioning and will function as the cue background box.
this.cueDiv = parseContent(window, cue.text);
var styles = {
color: color,
backgroundColor: backgroundColor,
position: "relative",
left: 0,
right: 0,
top: 0,
bottom: 0,
display: "inline"
};
if (!isIE8) {
styles.writingMode = cue.vertical === "" ? "horizontal-tb"
: cue.vertical === "lr" ? "vertical-lr"
: "vertical-rl";
styles.unicodeBidi = "plaintext";
}
this.applyStyles(styles, this.cueDiv);
// Create an absolutely positioned div that will be used to position the cue
// div. Note, all WebVTT cue-setting alignments are equivalent to the CSS
// mirrors of them except "middle" which is "center" in CSS.
this.div = window.document.createElement("div");
styles = {
textAlign: cue.align === "middle" ? "center" : cue.align,
font: styleOptions.font,
whiteSpace: "pre-line",
position: "absolute"
};
if (!isIE8) {
styles.direction = determineBidi(this.cueDiv);
styles.writingMode = cue.vertical === "" ? "horizontal-tb"
: cue.vertical === "lr" ? "vertical-lr"
: "vertical-rl".
stylesunicodeBidi = "plaintext";
}
this.applyStyles(styles);
this.div.appendChild(this.cueDiv);
// Calculate the distance from the reference edge of the viewport to the text
// position of the cue box. The reference edge will be resolved later when
// the box orientation styles are applied.
var textPos = 0;
switch (cue.positionAlign) {
case "start":
textPos = cue.position;
break;
case "middle":
textPos = cue.position - (cue.size / 2);
break;
case "end":
textPos = cue.position - cue.size;
break;
}
// Horizontal box orientation; textPos is the distance from the left edge of the
// area to the left edge of the box and cue.size is the distance extending to
// the right from there.
if (cue.vertical === "") {
this.applyStyles({
left: this.formatStyle(textPos, "%"),
width: this.formatStyle(cue.size, "%")
});
// Vertical box orientation; textPos is the distance from the top edge of the
// area to the top edge of the box and cue.size is the height extending
// downwards from there.
} else {
this.applyStyles({
top: this.formatStyle(textPos, "%"),
height: this.formatStyle(cue.size, "%")
});
}
this.move = function(box) {
this.applyStyles({
top: this.formatStyle(box.top, "px"),
bottom: this.formatStyle(box.bottom, "px"),
left: this.formatStyle(box.left, "px"),
right: this.formatStyle(box.right, "px"),
height: this.formatStyle(box.height, "px"),
width: this.formatStyle(box.width, "px")
});
};
}
CueStyleBox.prototype = _objCreate(StyleBox.prototype);
CueStyleBox.prototype.constructor = CueStyleBox;
// Represents the co-ordinates of an Element in a way that we can easily
// compute things with such as if it overlaps or intersects with another Element.
// Can initialize it with either a StyleBox or another BoxPosition.
function BoxPosition(obj) {
var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
// Either a BoxPosition was passed in and we need to copy it, or a StyleBox
// was passed in and we need to copy the results of 'getBoundingClientRect'
// as the object returned is readonly. All co-ordinate values are in reference
// to the viewport origin (top left).
var lh, height, width, top;
if (obj.div) {
height = obj.div.offsetHeight;
width = obj.div.offsetWidth;
top = obj.div.offsetTop;
var rects = (rects = obj.div.childNodes) && (rects = rects[0]) &&
rects.getClientRects && rects.getClientRects();
obj = obj.div.getBoundingClientRect();
// In certain cases the outter div will be slightly larger then the sum of
// the inner div's lines. This could be due to bold text, etc, on some platforms.
// In this case we should get the average line height and use that. This will
// result in the desired behaviour.
lh = rects ? Math.max((rects[0] && rects[0].height) || 0, obj.height / rects.length)
: 0;
}
this.left = obj.left;
this.right = obj.right;
this.top = obj.top || top;
this.height = obj.height || height;
this.bottom = obj.bottom || (top + (obj.height || height));
this.width = obj.width || width;
this.lineHeight = lh !== undefined ? lh : obj.lineHeight;
if (isIE8 && !this.lineHeight) {
this.lineHeight = 13;
}
}
// Move the box along a particular axis. Optionally pass in an amount to move
// the box. If no amount is passed then the default is the line height of the
// box.
BoxPosition.prototype.move = function(axis, toMove) {
toMove = toMove !== undefined ? toMove : this.lineHeight;
switch (axis) {
case "+x":
this.left += toMove;
this.right += toMove;
break;
case "-x":
this.left -= toMove;
this.right -= toMove;
break;
case "+y":
this.top += toMove;
this.bottom += toMove;
break;
case "-y":
this.top -= toMove;
this.bottom -= toMove;
break;
}
};
// Check if this box overlaps another box, b2.
BoxPosition.prototype.overlaps = function(b2) {
return this.left < b2.right &&
this.right > b2.left &&
this.top < b2.bottom &&
this.bottom > b2.top;
};
// Check if this box overlaps any other boxes in boxes.
BoxPosition.prototype.overlapsAny = function(boxes) {
for (var i = 0; i < boxes.length; i++) {
if (this.overlaps(boxes[i])) {
return true;
}
}
return false;
};
// Check if this box is within another box.
BoxPosition.prototype.within = function(container) {
return this.top >= container.top &&
this.bottom <= container.bottom &&
this.left >= container.left &&
this.right <= container.right;
};
// Check if this box is entirely within the container or it is overlapping
// on the edge opposite of the axis direction passed. For example, if "+x" is
// passed and the box is overlapping on the left edge of the container, then
// return true.
BoxPosition.prototype.overlapsOppositeAxis = function(container, axis) {
switch (axis) {
case "+x":
return this.left < container.left;
case "-x":
return this.right > container.right;
case "+y":
return this.top < container.top;
case "-y":
return this.bottom > container.bottom;
}
};
// Find the percentage of the area that this box is overlapping with another
// box.
BoxPosition.prototype.intersectPercentage = function(b2) {
var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),
y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),
intersectArea = x * y;
return intersectArea / (this.height * this.width);
};
// Convert the positions from this box to CSS compatible positions using
// the reference container's positions. This has to be done because this
// box's positions are in reference to the viewport origin, whereas, CSS
// values are in referecne to their respective edges.
BoxPosition.prototype.toCSSCompatValues = function(reference) {
return {
top: this.top - reference.top,
bottom: reference.bottom - this.bottom,
left: this.left - reference.left,
right: reference.right - this.right,
height: this.height,
width: this.width
};
};
// Get an object that represents the box's position without anything extra.
// Can pass a StyleBox, HTMLElement, or another BoxPositon.
BoxPosition.getSimpleBoxPosition = function(obj) {
var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;
var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;
var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;
obj = obj.div ? obj.div.getBoundingClientRect() :
obj.tagName ? obj.getBoundingClientRect() : obj;
var ret = {
left: obj.left,
right: obj.right,
top: obj.top || top,
height: obj.height || height,
bottom: obj.bottom || (top + (obj.height || height)),
width: obj.width || width
};
return ret;
};
// Move a StyleBox to its specified, or next best, position. The containerBox
// is the box that contains the StyleBox, such as a div. boxPositions are
// a list of other boxes that the styleBox can't overlap with.
function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {
// Find the best position for a cue box, b, on the video. The axis parameter
// is a list of axis, the order of which, it will move the box along. For example:
// Passing ["+x", "-x"] will move the box first along the x axis in the positive
// direction. If it doesn't find a good position for it there it will then move
// it along the x axis in the negative direction.
function findBestPosition(b, axis) {
var bestPosition,
specifiedPosition = new BoxPosition(b),
percentage = 1; // Highest possible so the first thing we get is better.
for (var i = 0; i < axis.length; i++) {
while (b.overlapsOppositeAxis(containerBox, axis[i]) ||
(b.within(containerBox) && b.overlapsAny(boxPositions))) {
b.move(axis[i]);
}
// We found a spot where we aren't overlapping anything. This is our
// best position.
if (b.within(containerBox)) {
return b;
}
var p = b.intersectPercentage(containerBox);
// If we're outside the container box less then we were on our last try
// then remember this position as the best position.
if (percentage > p) {
bestPosition = new BoxPosition(b);
percentage = p;
}
// Reset the box position to the specified position.
b = new BoxPosition(specifiedPosition);
}
return bestPosition || specifiedPosition;
}
var boxPosition = new BoxPosition(styleBox),
cue = styleBox.cue,
linePos = computeLinePos(cue),
axis = [];
// If we have a line number to align the cue to.
if (cue.snapToLines) {
var size;
switch (cue.vertical) {
case "":
axis = [ "+y", "-y" ];
size = "height";
break;
case "rl":
axis = [ "+x", "-x" ];
size = "width";
break;
case "lr":
axis = [ "-x", "+x" ];
size = "width";
break;
}
var step = boxPosition.lineHeight,
position = step * Math.round(linePos),
maxPosition = containerBox[size] + step,
initialAxis = axis[0];
// If the specified intial position is greater then the max position then
// clamp the box to the amount of steps it would take for the box to
// reach the max position.
if (Math.abs(position) > maxPosition) {
position = position < 0 ? -1 : 1;
position *= Math.ceil(maxPosition / step) * step;
}
// If computed line position returns negative then line numbers are
// relative to the bottom of the video instead of the top. Therefore, we
// need to increase our initial position by the length or width of the
// video, depending on the writing direction, and reverse our axis directions.
if (linePos < 0) {
position += cue.vertical === "" ? containerBox.height : containerBox.width;
axis = axis.reverse();
}
// Move the box to the specified position. This may not be its best
// position.
boxPosition.move(initialAxis, position);
} else {
// If we have a percentage line value for the cue.
var calculatedPercentage = (boxPosition.lineHeight / containerBox.height) * 100;
switch (cue.lineAlign) {
case "middle":
linePos -= (calculatedPercentage / 2);
break;
case "end":
linePos -= calculatedPercentage;
break;
}
// Apply initial line position to the cue box.
switch (cue.vertical) {
case "":
styleBox.applyStyles({
top: styleBox.formatStyle(linePos, "%")
});
break;
case "rl":
styleBox.applyStyles({
left: styleBox.formatStyle(linePos, "%")
});
break;
case "lr":
styleBox.applyStyles({
right: styleBox.formatStyle(linePos, "%")
});
break;
}
axis = [ "+y", "-x", "+x", "-y" ];
// Get the box position again after we've applied the specified positioning
// to it.
boxPosition = new BoxPosition(styleBox);
}
var bestPosition = findBestPosition(boxPosition, axis);
styleBox.move(bestPosition.toCSSCompatValues(containerBox));
}
function WebVTT$1() {
// Nothing
}
// Helper to allow strings to be decoded instead of the default binary utf8 data.
WebVTT$1.StringDecoder = function() {
return {
decode: function(data) {
if (!data) {
return "";
}
if (typeof data !== "string") {
throw new Error("Error - expected string data.");
}
return decodeURIComponent(encodeURIComponent(data));
}
};
};
WebVTT$1.convertCueToDOMTree = function(window, cuetext) {
if (!window || !cuetext) {
return null;
}
return parseContent(window, cuetext);
};
var FONT_SIZE_PERCENT = 0.05;
var FONT_STYLE = "sans-serif";
var CUE_BACKGROUND_PADDING = "1.5%";
// Runs the processing model over the cues and regions passed to it.
// @param overlay A block level element (usually a div) that the computed cues
// and regions will be placed into.
WebVTT$1.processCues = function(window, cues, overlay) {
if (!window || !cues || !overlay) {
return null;
}
// Remove all previous children.
while (overlay.firstChild) {
overlay.removeChild(overlay.firstChild);
}
var paddedOverlay = window.document.createElement("div");
paddedOverlay.style.position = "absolute";
paddedOverlay.style.left = "0";
paddedOverlay.style.right = "0";
paddedOverlay.style.top = "0";
paddedOverlay.style.bottom = "0";
paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;
overlay.appendChild(paddedOverlay);
// Determine if we need to compute the display states of the cues. This could
// be the case if a cue's state has been changed since the last computation or
// if it has not been computed yet.
function shouldCompute(cues) {
for (var i = 0; i < cues.length; i++) {
if (cues[i].hasBeenReset || !cues[i].displayState) {
return true;
}
}
return false;
}
// We don't need to recompute the cues' display states. Just reuse them.
if (!shouldCompute(cues)) {
for (var i = 0; i < cues.length; i++) {
paddedOverlay.appendChild(cues[i].displayState);
}
return;
}
var boxPositions = [],
containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
var styleOptions = {
font: fontSize + "px " + FONT_STYLE
};
(function() {
var styleBox, cue;
for (var i = 0; i < cues.length; i++) {
cue = cues[i];
// Compute the intial position and styles of the cue div.
styleBox = new CueStyleBox(window, cue, styleOptions);
paddedOverlay.appendChild(styleBox.div);
// Move the cue div to it's correct line position.
moveBoxToLinePosition(window, styleBox, containerBox, boxPositions);
// Remember the computed div so that we don't have to recompute it later
// if we don't have too.
cue.displayState = styleBox.div;
boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));
}
})();
};
WebVTT$1.Parser = function(window, vttjs, decoder) {
if (!decoder) {
decoder = vttjs;
vttjs = {};
}
if (!vttjs) {
vttjs = {};
}
this.window = window;
this.vttjs = vttjs;
this.state = "INITIAL";
this.buffer = "";
this.decoder = decoder || new TextDecoder("utf8");
this.regionList = [];
};
WebVTT$1.Parser.prototype = {
// If the error is a ParsingError then report it to the consumer if
// possible. If it's not a ParsingError then throw it like normal.
reportOrThrowError: function(e) {
if (e instanceof ParsingError) {
this.onparsingerror && this.onparsingerror(e);
} else {
throw e;
}
},
parse: function (data) {
var self = this;
// If there is no data then we won't decode it, but will just try to parse
// whatever is in buffer already. This may occur in circumstances, for
// example when flush() is called.
if (data) {
// Try to decode the data that we received.
self.buffer += self.decoder.decode(data, {stream: true});
}
function collectNextLine() {
var buffer = self.buffer;
var pos = 0;
while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
++pos;
}
var line = buffer.substr(0, pos);
// Advance the buffer early in case we fail below.
if (buffer[pos] === '\r') {
++pos;
}
if (buffer[pos] === '\n') {
++pos;
}
self.buffer = buffer.substr(pos);
return line;
}
// 3.4 WebVTT region and WebVTT region settings syntax
function parseRegion(input) {
var settings = new Settings();
parseOptions(input, function (k, v) {
switch (k) {
case "id":
settings.set(k, v);
break;
case "width":
settings.percent(k, v);
break;
case "lines":
settings.integer(k, v);
break;
case "regionanchor":
case "viewportanchor":
var xy = v.split(',');
if (xy.length !== 2) {
break;
}
// We have to make sure both x and y parse, so use a temporary
// settings object here.
var anchor = new Settings();
anchor.percent("x", xy[0]);
anchor.percent("y", xy[1]);
if (!anchor.has("x") || !anchor.has("y")) {
break;
}
settings.set(k + "X", anchor.get("x"));
settings.set(k + "Y", anchor.get("y"));
break;
case "scroll":
settings.alt(k, v, ["up"]);
break;
}
}, /=/, /\s/);
// Create the region, using default values for any values that were not
// specified.
if (settings.has("id")) {
var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();
region.width = settings.get("width", 100);
region.lines = settings.get("lines", 3);
region.regionAnchorX = settings.get("regionanchorX", 0);
region.regionAnchorY = settings.get("regionanchorY", 100);
region.viewportAnchorX = settings.get("viewportanchorX", 0);
region.viewportAnchorY = settings.get("viewportanchorY", 100);
region.scroll = settings.get("scroll", "");
// Register the region.
self.onregion && self.onregion(region);
// Remember the VTTRegion for later in case we parse any VTTCues that
// reference it.
self.regionList.push({
id: settings.get("id"),
region: region
});
}
}
// draft-pantos-http-live-streaming-20
// https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5
// 3.5 WebVTT
function parseTimestampMap(input) {
var settings = new Settings();
parseOptions(input, function(k, v) {
switch(k) {
case "MPEGT":
settings.integer(k + 'S', v);
break;
case "LOCA":
settings.set(k + 'L', parseTimeStamp(v));
break;
}
}, /[^\d]:/, /,/);
self.ontimestampmap && self.ontimestampmap({
"MPEGTS": settings.get("MPEGTS"),
"LOCAL": settings.get("LOCAL")
});
}
// 3.2 WebVTT metadata header syntax
function parseHeader(input) {
if (input.match(/X-TIMESTAMP-MAP/)) {
// This line contains HLS X-TIMESTAMP-MAP metadata
parseOptions(input, function(k, v) {
switch(k) {
case "X-TIMESTAMP-MAP":
parseTimestampMap(v);
break;
}
}, /=/);
} else {
parseOptions(input, function (k, v) {
switch (k) {
case "Region":
// 3.3 WebVTT region metadata header syntax
parseRegion(v);
break;
}
}, /:/);
}
}
// 5.1 WebVTT file parsing.
try {
var line;
if (self.state === "INITIAL") {
// We can't start parsing until we have the first line.
if (!/\r\n|\n/.test(self.buffer)) {
return this;
}
line = collectNextLine();
var m = line.match(/^WEBVTT([ \t].*)?$/);
if (!m || !m[0]) {
throw new ParsingError(ParsingError.Errors.BadSignature);
}
self.state = "HEADER";
}
var alreadyCollectedLine = false;
while (self.buffer) {
// We can't parse a line until we have the full line.
if (!/\r\n|\n/.test(self.buffer)) {
return this;
}
if (!alreadyCollectedLine) {
line = collectNextLine();
} else {
alreadyCollectedLine = false;
}
switch (self.state) {
case "HEADER":
// 13-18 - Allow a header (metadata) under the WEBVTT line.
if (/:/.test(line)) {
parseHeader(line);
} else if (!line) {
// An empty line terminates the header and starts the body (cues).
self.state = "ID";
}
continue;
case "NOTE":
// Ignore NOTE blocks.
if (!line) {
self.state = "ID";
}
continue;
case "ID":
// Check for the start of NOTE blocks.
if (/^NOTE($|[ \t])/.test(line)) {
self.state = "NOTE";
break;
}
// 19-29 - Allow any number of line terminators, then initialize new cue values.
if (!line) {
continue;
}
self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, "");
self.state = "CUE";
// 30-39 - Check if self line contains an optional identifier or timing data.
if (line.indexOf("-->") === -1) {
self.cue.id = line;
continue;
}
// Process line as start of a cue.
/*falls through*/
case "CUE":
// 40 - Collect cue timings and settings.
try {
parseCue(line, self.cue, self.regionList);
} catch (e) {
self.reportOrThrowError(e);
// In case of an error ignore rest of the cue.
self.cue = null;
self.state = "BADCUE";
continue;
}
self.state = "CUETEXT";
continue;
case "CUETEXT":
var hasSubstring = line.indexOf("-->") !== -1;
// 34 - If we have an empty line then report the cue.
// 35 - If we have the special substring '-->' then report the cue,
// but do not collect the line as we need to process the current
// one as a new cue.
if (!line || hasSubstring && (alreadyCollectedLine = true)) {
// We are done parsing self cue.
self.oncue && self.oncue(self.cue);
self.cue = null;
self.state = "ID";
continue;
}
if (self.cue.text) {
self.cue.text += "\n";
}
self.cue.text += line;
continue;
case "BADCUE": // BADCUE
// 54-62 - Collect and discard the remaining cue.
if (!line) {
self.state = "ID";
}
continue;
}
}
} catch (e) {
self.reportOrThrowError(e);
// If we are currently parsing a cue, report what we have.
if (self.state === "CUETEXT" && self.cue && self.oncue) {
self.oncue(self.cue);
}
self.cue = null;
// Enter BADWEBVTT state if header was not parsed correctly otherwise
// another exception occurred so enter BADCUE state.
self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE";
}
return this;
},
flush: function () {
var self = this;
try {
// Finish decoding the stream.
self.buffer += self.decoder.decode();
// Synthesize the end of the current cue or region.
if (self.cue || self.state === "HEADER") {
self.buffer += "\n\n";
self.parse();
}
// If we've flushed, parsed, and we're still on the INITIAL state then
// that means we don't have enough of the stream to parse the first
// line.
if (self.state === "INITIAL") {
throw new ParsingError(ParsingError.Errors.BadSignature);
}
} catch(e) {
self.reportOrThrowError(e);
}
self.onflush && self.onflush();
return this;
}
};
var vtt$1 = WebVTT$1;
/**
* Copyright 2013 vtt.js Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var autoKeyword = "auto";
var directionSetting = {
"": true,
"lr": true,
"rl": true
};
var alignSetting = {
"start": true,
"middle": true,
"end": true,
"left": true,
"right": true
};
function findDirectionSetting(value) {
if (typeof value !== "string") {
return false;
}
var dir = directionSetting[value.toLowerCase()];
return dir ? value.toLowerCase() : false;
}
function findAlignSetting(value) {
if (typeof value !== "string") {
return false;
}
var align = alignSetting[value.toLowerCase()];
return align ? value.toLowerCase() : false;
}
function extend$1(obj) {
var i = 1;
for (; i < arguments.length; i++) {
var cobj = arguments[i];
for (var p in cobj) {
obj[p] = cobj[p];
}
}
return obj;
}
function VTTCue(startTime, endTime, text) {
var cue = this;
var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
var baseObj = {};
if (isIE8) {
cue = document.createElement('custom');
} else {
baseObj.enumerable = true;
}
/**
* Shim implementation specific properties. These properties are not in
* the spec.
*/
// Lets us know when the VTTCue's data has changed in such a way that we need
// to recompute its display state. This lets us compute its display state
// lazily.
cue.hasBeenReset = false;
/**
* VTTCue and TextTrackCue properties
* http://dev.w3.org/html5/webvtt/#vttcue-interface
*/
var _id = "";
var _pauseOnExit = false;
var _startTime = startTime;
var _endTime = endTime;
var _text = text;
var _region = null;
var _vertical = "";
var _snapToLines = true;
var _line = "auto";
var _lineAlign = "start";
var _position = 50;
var _positionAlign = "middle";
var _size = 50;
var _align = "middle";
Object.defineProperty(cue,
"id", extend$1({}, baseObj, {
get: function() {
return _id;
},
set: function(value) {
_id = "" + value;
}
}));
Object.defineProperty(cue,
"pauseOnExit", extend$1({}, baseObj, {
get: function() {
return _pauseOnExit;
},
set: function(value) {
_pauseOnExit = !!value;
}
}));
Object.defineProperty(cue,
"startTime", extend$1({}, baseObj, {
get: function() {
return _startTime;
},
set: function(value) {
if (typeof value !== "number") {
throw new TypeError("Start time must be set to a number.");
}
_startTime = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"endTime", extend$1({}, baseObj, {
get: function() {
return _endTime;
},
set: function(value) {
if (typeof value !== "number") {
throw new TypeError("End time must be set to a number.");
}
_endTime = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"text", extend$1({}, baseObj, {
get: function() {
return _text;
},
set: function(value) {
_text = "" + value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"region", extend$1({}, baseObj, {
get: function() {
return _region;
},
set: function(value) {
_region = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"vertical", extend$1({}, baseObj, {
get: function() {
return _vertical;
},
set: function(value) {
var setting = findDirectionSetting(value);
// Have to check for false because the setting an be an empty string.
if (setting === false) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_vertical = setting;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"snapToLines", extend$1({}, baseObj, {
get: function() {
return _snapToLines;
},
set: function(value) {
_snapToLines = !!value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"line", extend$1({}, baseObj, {
get: function() {
return _line;
},
set: function(value) {
if (typeof value !== "number" && value !== autoKeyword) {
throw new SyntaxError("An invalid number or illegal string was specified.");
}
_line = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"lineAlign", extend$1({}, baseObj, {
get: function() {
return _lineAlign;
},
set: function(value) {
var setting = findAlignSetting(value);
if (!setting) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_lineAlign = setting;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"position", extend$1({}, baseObj, {
get: function() {
return _position;
},
set: function(value) {
if (value < 0 || value > 100) {
throw new Error("Position must be between 0 and 100.");
}
_position = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"positionAlign", extend$1({}, baseObj, {
get: function() {
return _positionAlign;
},
set: function(value) {
var setting = findAlignSetting(value);
if (!setting) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_positionAlign = setting;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"size", extend$1({}, baseObj, {
get: function() {
return _size;
},
set: function(value) {
if (value < 0 || value > 100) {
throw new Error("Size must be between 0 and 100.");
}
_size = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"align", extend$1({}, baseObj, {
get: function() {
return _align;
},
set: function(value) {
var setting = findAlignSetting(value);
if (!setting) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_align = setting;
this.hasBeenReset = true;
}
}));
/**
* Other <track> spec defined properties
*/
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state
cue.displayState = undefined;
if (isIE8) {
return cue;
}
}
/**
* VTTCue methods
*/
VTTCue.prototype.getCueAsHTML = function() {
// Assume WebVTT.convertCueToDOMTree is on the global.
return WebVTT.convertCueToDOMTree(window, this.text);
};
var vttcue = VTTCue;
/**
* Copyright 2013 vtt.js Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var scrollSetting = {
"": true,
"up": true
};
function findScrollSetting(value) {
if (typeof value !== "string") {
return false;
}
var scroll = scrollSetting[value.toLowerCase()];
return scroll ? value.toLowerCase() : false;
}
function isValidPercentValue(value) {
return typeof value === "number" && (value >= 0 && value <= 100);
}
// VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface
function VTTRegion() {
var _width = 100;
var _lines = 3;
var _regionAnchorX = 0;
var _regionAnchorY = 100;
var _viewportAnchorX = 0;
var _viewportAnchorY = 100;
var _scroll = "";
Object.defineProperties(this, {
"width": {
enumerable: true,
get: function() {
return _width;
},
set: function(value) {
if (!isValidPercentValue(value)) {
throw new Error("Width must be between 0 and 100.");
}
_width = value;
}
},
"lines": {
enumerable: true,
get: function() {
return _lines;
},
set: function(value) {
if (typeof value !== "number") {
throw new TypeError("Lines must be set to a number.");
}
_lines = value;
}
},
"regionAnchorY": {
enumerable: true,
get: function() {
return _regionAnchorY;
},
set: function(value) {
if (!isValidPercentValue(value)) {
throw new Error("RegionAnchorX must be between 0 and 100.");
}
_regionAnchorY = value;
}
},
"regionAnchorX": {
enumerable: true,
get: function() {
return _regionAnchorX;
},
set: function(value) {
if(!isValidPercentValue(value)) {
throw new Error("RegionAnchorY must be between 0 and 100.");
}
_regionAnchorX = value;
}
},
"viewportAnchorY": {
enumerable: true,
get: function() {
return _viewportAnchorY;
},
set: function(value) {
if (!isValidPercentValue(value)) {
throw new Error("ViewportAnchorY must be between 0 and 100.");
}
_viewportAnchorY = value;
}
},
"viewportAnchorX": {
enumerable: true,
get: function() {
return _viewportAnchorX;
},
set: function(value) {
if (!isValidPercentValue(value)) {
throw new Error("ViewportAnchorX must be between 0 and 100.");
}
_viewportAnchorX = value;
}
},
"scroll": {
enumerable: true,
get: function() {
return _scroll;
},
set: function(value) {
var setting = findScrollSetting(value);
// Have to check for false as an empty string is a legal value.
if (setting === false) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_scroll = setting;
}
}
});
}
var vttregion = VTTRegion;
var browserIndex = createCommonjsModule(function (module) {
/**
* Copyright 2013 vtt.js Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Default exports for Node. Export the extended versions of VTTCue and
// VTTRegion in Node since we likely want the capability to convert back and
// forth between JSON. If we don't then it's not that big of a deal since we're
// off browser.
var vttjs = module.exports = {
WebVTT: vtt$1,
VTTCue: vttcue,
VTTRegion: vttregion
};
window_1.vttjs = vttjs;
window_1.WebVTT = vttjs.WebVTT;
var cueShim = vttjs.VTTCue;
var regionShim = vttjs.VTTRegion;
var nativeVTTCue = window_1.VTTCue;
var nativeVTTRegion = window_1.VTTRegion;
vttjs.shim = function() {
window_1.VTTCue = cueShim;
window_1.VTTRegion = regionShim;
};
vttjs.restore = function() {
window_1.VTTCue = nativeVTTCue;
window_1.VTTRegion = nativeVTTRegion;
};
if (!window_1.VTTCue) {
vttjs.shim();
}
});
/**
* @file tech.js
*/
/**
* An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
* that just contains the src url alone.
* * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
* `var SourceString = 'http://example.com/some-video.mp4';`
*
* @typedef {Object|string} Tech~SourceObject
*
* @property {string} src
* The url to the source
*
* @property {string} type
* The mime type of the source
*/
/**
* A function used by {@link Tech} to create a new {@link TextTrack}.
*
* @private
*
* @param {Tech} self
* An instance of the Tech class.
*
* @param {string} kind
* `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
*
* @param {string} [label]
* Label to identify the text track
*
* @param {string} [language]
* Two letter language abbreviation
*
* @param {Object} [options={}]
* An object with additional text track options
*
* @return {TextTrack}
* The text track that was created.
*/
function createTrackHelper(self, kind, label, language) {
var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
var tracks = self.textTracks();
options.kind = kind;
if (label) {
options.label = label;
}
if (language) {
options.language = language;
}
options.tech = self;
var track = new ALL.text.TrackClass(options);
tracks.addTrack(track);
return track;
}
/**
* This is the base class for media playback technology controllers, such as
* {@link Flash} and {@link HTML5}
*
* @extends Component
*/
var Tech = function (_Component) {
inherits(Tech, _Component);
/**
* Create an instance of this Tech.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Component~ReadyCallback} ready
* Callback function to call when the `HTML5` Tech is ready.
*/
function Tech() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var ready = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {};
classCallCheck(this, Tech);
// we don't want the tech to report user activity automatically.
// This is done manually in addControlsListeners
options.reportTouchActivity = false;
// keep track of whether the current source has played at all to
// implement a very limited played()
var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
_this.hasStarted_ = false;
_this.on('playing', function () {
this.hasStarted_ = true;
});
_this.on('loadstart', function () {
this.hasStarted_ = false;
});
ALL.names.forEach(function (name) {
var props = ALL[name];
if (options && options[props.getterName]) {
_this[props.privateName] = options[props.getterName];
}
});
// Manually track progress in cases where the browser/flash player doesn't report it.
if (!_this.featuresProgressEvents) {
_this.manualProgressOn();
}
// Manually track timeupdates in cases where the browser/flash player doesn't report it.
if (!_this.featuresTimeupdateEvents) {
_this.manualTimeUpdatesOn();
}
['Text', 'Audio', 'Video'].forEach(function (track) {
if (options['native' + track + 'Tracks'] === false) {
_this['featuresNative' + track + 'Tracks'] = false;
}
});
if (options.nativeCaptions === false || options.nativeTextTracks === false) {
_this.featuresNativeTextTracks = false;
} else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
_this.featuresNativeTextTracks = true;
}
if (!_this.featuresNativeTextTracks) {
_this.emulateTextTracks();
}
_this.autoRemoteTextTracks_ = new ALL.text.ListClass();
_this.initTrackListeners();
// Turn on component tap events only if not using native controls
if (!options.nativeControlsForTouch) {
_this.emitTapEvents();
}
if (_this.constructor) {
_this.name_ = _this.constructor.name || 'Unknown Tech';
}
return _this;
}
/* Fallbacks for unsupported event types
================================================================================ */
/**
* Polyfill the `progress` event for browsers that don't support it natively.
*
* @see {@link Tech#trackProgress}
*/
Tech.prototype.manualProgressOn = function manualProgressOn() {
this.on('durationchange', this.onDurationChange);
this.manualProgress = true;
// Trigger progress watching when a source begins loading
this.one('ready', this.trackProgress);
};
/**
* Turn off the polyfill for `progress` events that was created in
* {@link Tech#manualProgressOn}
*/
Tech.prototype.manualProgressOff = function manualProgressOff() {
this.manualProgress = false;
this.stopTrackingProgress();
this.off('durationchange', this.onDurationChange);
};
/**
* This is used to trigger a `progress` event when the buffered percent changes. It
* sets an interval function that will be called every 500 milliseconds to check if the
* buffer end percent has changed.
*
* > This function is called by {@link Tech#manualProgressOn}
*
* @param {EventTarget~Event} event
* The `ready` event that caused this to run.
*
* @listens Tech#ready
* @fires Tech#progress
*/
Tech.prototype.trackProgress = function trackProgress(event) {
this.stopTrackingProgress();
this.progressInterval = this.setInterval(bind(this, function () {
// Don't trigger unless buffered amount is greater than last time
var numBufferedPercent = this.bufferedPercent();
if (this.bufferedPercent_ !== numBufferedPercent) {
/**
* See {@link Player#progress}
*
* @event Tech#progress
* @type {EventTarget~Event}
*/
this.trigger('progress');
}
this.bufferedPercent_ = numBufferedPercent;
if (numBufferedPercent === 1) {
this.stopTrackingProgress();
}
}), 500);
};
/**
* Update our internal duration on a `durationchange` event by calling
* {@link Tech#duration}.
*
* @param {EventTarget~Event} event
* The `durationchange` event that caused this to run.
*
* @listens Tech#durationchange
*/
Tech.prototype.onDurationChange = function onDurationChange(event) {
this.duration_ = this.duration();
};
/**
* Get and create a `TimeRange` object for buffering.
*
* @return {TimeRange}
* The time range object that was created.
*/
Tech.prototype.buffered = function buffered() {
return createTimeRanges(0, 0);
};
/**
* Get the percentage of the current video that is currently buffered.
*
* @return {number}
* A number from 0 to 1 that represents the decimal percentage of the
* video that is buffered.
*
*/
Tech.prototype.bufferedPercent = function bufferedPercent$$1() {
return bufferedPercent(this.buffered(), this.duration_);
};
/**
* Turn off the polyfill for `progress` events that was created in
* {@link Tech#manualProgressOn}
* Stop manually tracking progress events by clearing the interval that was set in
* {@link Tech#trackProgress}.
*/
Tech.prototype.stopTrackingProgress = function stopTrackingProgress() {
this.clearInterval(this.progressInterval);
};
/**
* Polyfill the `timeupdate` event for browsers that don't support it.
*
* @see {@link Tech#trackCurrentTime}
*/
Tech.prototype.manualTimeUpdatesOn = function manualTimeUpdatesOn() {
this.manualTimeUpdates = true;
this.on('play', this.trackCurrentTime);
this.on('pause', this.stopTrackingCurrentTime);
};
/**
* Turn off the polyfill for `timeupdate` events that was created in
* {@link Tech#manualTimeUpdatesOn}
*/
Tech.prototype.manualTimeUpdatesOff = function manualTimeUpdatesOff() {
this.manualTimeUpdates = false;
this.stopTrackingCurrentTime();
this.off('play', this.trackCurrentTime);
this.off('pause', this.stopTrackingCurrentTime);
};
/**
* Sets up an interval function to track current time and trigger `timeupdate` every
* 250 milliseconds.
*
* @listens Tech#play
* @triggers Tech#timeupdate
*/
Tech.prototype.trackCurrentTime = function trackCurrentTime() {
if (this.currentTimeInterval) {
this.stopTrackingCurrentTime();
}
this.currentTimeInterval = this.setInterval(function () {
/**
* Triggered at an interval of 250ms to indicated that time is passing in the video.
*
* @event Tech#timeupdate
* @type {EventTarget~Event}
*/
this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
// 42 = 24 fps // 250 is what Webkit uses // FF uses 15
}, 250);
};
/**
* Stop the interval function created in {@link Tech#trackCurrentTime} so that the
* `timeupdate` event is no longer triggered.
*
* @listens {Tech#pause}
*/
Tech.prototype.stopTrackingCurrentTime = function stopTrackingCurrentTime() {
this.clearInterval(this.currentTimeInterval);
// #1002 - if the video ends right before the next timeupdate would happen,
// the progress bar won't make it all the way to the end
this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
};
/**
* Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
* {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
*
* @fires Component#dispose
*/
Tech.prototype.dispose = function dispose() {
// clear out all tracks because we can't reuse them between techs
this.clearTracks(NORMAL.names);
// Turn off any manual progress or timeupdate tracking
if (this.manualProgress) {
this.manualProgressOff();
}
if (this.manualTimeUpdates) {
this.manualTimeUpdatesOff();
}
_Component.prototype.dispose.call(this);
};
/**
* Clear out a single `TrackList` or an array of `TrackLists` given their names.
*
* > Note: Techs without source handlers should call this between sources for `video`
* & `audio` tracks. You don't want to use them between tracks!
*
* @param {string[]|string} types
* TrackList names to clear, valid names are `video`, `audio`, and
* `text`.
*/
Tech.prototype.clearTracks = function clearTracks(types) {
var _this2 = this;
types = [].concat(types);
// clear out all tracks because we can't reuse them between techs
types.forEach(function (type) {
var list = _this2[type + 'Tracks']() || [];
var i = list.length;
while (i--) {
var track = list[i];
if (type === 'text') {
_this2.removeRemoteTextTrack(track);
}
list.removeTrack(track);
}
});
};
/**
* Remove any TextTracks added via addRemoteTextTrack that are
* flagged for automatic garbage collection
*/
Tech.prototype.cleanupAutoTextTracks = function cleanupAutoTextTracks() {
var list = this.autoRemoteTextTracks_ || [];
var i = list.length;
while (i--) {
var track = list[i];
this.removeRemoteTextTrack(track);
}
};
/**
* Reset the tech, which will removes all sources and reset the internal readyState.
*
* @abstract
*/
Tech.prototype.reset = function reset() {};
/**
* Get or set an error on the Tech.
*
* @param {MediaError} [err]
* Error to set on the Tech
*
* @return {MediaError|null}
* The current error object on the tech, or null if there isn't one.
*/
Tech.prototype.error = function error(err) {
if (err !== undefined) {
this.error_ = new MediaError(err);
this.trigger('error');
}
return this.error_;
};
/**
* Returns the `TimeRange`s that have been played through for the current source.
*
* > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
* It only checks wether the source has played at all or not.
*
* @return {TimeRange}
* - A single time range if this video has played
* - An empty set of ranges if not.
*/
Tech.prototype.played = function played() {
if (this.hasStarted_) {
return createTimeRanges(0, 0);
}
return createTimeRanges();
};
/**
* Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
* previously called.
*
* @fires Tech#timeupdate
*/
Tech.prototype.setCurrentTime = function setCurrentTime() {
// improve the accuracy of manual timeupdates
if (this.manualTimeUpdates) {
/**
* A manual `timeupdate` event.
*
* @event Tech#timeupdate
* @type {EventTarget~Event}
*/
this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
}
};
/**
* Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
* {@link TextTrackList} events.
*
* This adds {@link EventTarget~EventListeners} for `addtrack`, and `removetrack`.
*
* @fires Tech#audiotrackchange
* @fires Tech#videotrackchange
* @fires Tech#texttrackchange
*/
Tech.prototype.initTrackListeners = function initTrackListeners() {
var _this3 = this;
/**
* Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
*
* @event Tech#audiotrackchange
* @type {EventTarget~Event}
*/
/**
* Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
*
* @event Tech#videotrackchange
* @type {EventTarget~Event}
*/
/**
* Triggered when tracks are added or removed on the Tech {@link TextTrackList}
*
* @event Tech#texttrackchange
* @type {EventTarget~Event}
*/
NORMAL.names.forEach(function (name) {
var props = NORMAL[name];
var trackListChanges = function trackListChanges() {
_this3.trigger(name + 'trackchange');
};
var tracks = _this3[props.getterName]();
tracks.addEventListener('removetrack', trackListChanges);
tracks.addEventListener('addtrack', trackListChanges);
_this3.on('dispose', function () {
tracks.removeEventListener('removetrack', trackListChanges);
tracks.removeEventListener('addtrack', trackListChanges);
});
});
};
/**
* Emulate TextTracks using vtt.js if necessary
*
* @fires Tech#vttjsloaded
* @fires Tech#vttjserror
*/
Tech.prototype.addWebVttScript_ = function addWebVttScript_() {
var _this4 = this;
if (window_1.WebVTT) {
return;
}
// Initially, Tech.el_ is a child of a dummy-div wait until the Component system
// signals that the Tech is ready at which point Tech.el_ is part of the DOM
// before inserting the WebVTT script
if (document_1.body.contains(this.el())) {
// load via require if available and vtt.js script location was not passed in
// as an option. novtt builds will turn the above require call into an empty object
// which will cause this if check to always fail.
if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {
this.trigger('vttjsloaded');
return;
}
// load vtt.js via the script location option or the cdn of no location was
// passed in
var script = document_1.createElement('script');
script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.12.4/vtt.min.js';
script.onload = function () {
/**
* Fired when vtt.js is loaded.
*
* @event Tech#vttjsloaded
* @type {EventTarget~Event}
*/
_this4.trigger('vttjsloaded');
};
script.onerror = function () {
/**
* Fired when vtt.js was not loaded due to an error
*
* @event Tech#vttjsloaded
* @type {EventTarget~Event}
*/
_this4.trigger('vttjserror');
};
this.on('dispose', function () {
script.onload = null;
script.onerror = null;
});
// but have not loaded yet and we set it to true before the inject so that
// we don't overwrite the injected window.WebVTT if it loads right away
window_1.WebVTT = true;
this.el().parentNode.appendChild(script);
} else {
this.ready(this.addWebVttScript_);
}
};
/**
* Emulate texttracks
*
*/
Tech.prototype.emulateTextTracks = function emulateTextTracks() {
var _this5 = this;
var tracks = this.textTracks();
var remoteTracks = this.remoteTextTracks();
var handleAddTrack = function handleAddTrack(e) {
return tracks.addTrack(e.track);
};
var handleRemoveTrack = function handleRemoveTrack(e) {
return tracks.removeTrack(e.track);
};
remoteTracks.on('addtrack', handleAddTrack);
remoteTracks.on('removetrack', handleRemoveTrack);
this.addWebVttScript_();
var updateDisplay = function updateDisplay() {
return _this5.trigger('texttrackchange');
};
var textTracksChanges = function textTracksChanges() {
updateDisplay();
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
track.removeEventListener('cuechange', updateDisplay);
if (track.mode === 'showing') {
track.addEventListener('cuechange', updateDisplay);
}
}
};
textTracksChanges();
tracks.addEventListener('change', textTracksChanges);
tracks.addEventListener('addtrack', textTracksChanges);
tracks.addEventListener('removetrack', textTracksChanges);
this.on('dispose', function () {
remoteTracks.off('addtrack', handleAddTrack);
remoteTracks.off('removetrack', handleRemoveTrack);
tracks.removeEventListener('change', textTracksChanges);
tracks.removeEventListener('addtrack', textTracksChanges);
tracks.removeEventListener('removetrack', textTracksChanges);
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
track.removeEventListener('cuechange', updateDisplay);
}
});
};
/**
* Create and returns a remote {@link TextTrack} object.
*
* @param {string} kind
* `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
*
* @param {string} [label]
* Label to identify the text track
*
* @param {string} [language]
* Two letter language abbreviation
*
* @return {TextTrack}
* The TextTrack that gets created.
*/
Tech.prototype.addTextTrack = function addTextTrack(kind, label, language) {
if (!kind) {
throw new Error('TextTrack kind is required but was not provided');
}
return createTrackHelper(this, kind, label, language);
};
/**
* Create an emulated TextTrack for use by addRemoteTextTrack
*
* This is intended to be overridden by classes that inherit from
* Tech in order to create native or custom TextTracks.
*
* @param {Object} options
* The object should contain the options to initialize the TextTrack with.
*
* @param {string} [options.kind]
* `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
*
* @param {string} [options.label].
* Label to identify the text track
*
* @param {string} [options.language]
* Two letter language abbreviation.
*
* @return {HTMLTrackElement}
* The track element that gets created.
*/
Tech.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
var track = mergeOptions(options, {
tech: this
});
return new REMOTE.remoteTextEl.TrackClass(track);
};
/**
* Creates a remote text track object and returns an html track element.
*
* > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
*
* @param {Object} options
* See {@link Tech#createRemoteTextTrack} for more detailed properties.
*
* @param {boolean} [manualCleanup=true]
* - When false: the TextTrack will be automatically removed from the video
* element whenever the source changes
* - When True: The TextTrack will have to be cleaned up manually
*
* @return {HTMLTrackElement}
* An Html Track Element.
*
* @deprecated The default functionality for this function will be equivalent
* to "manualCleanup=false" in the future. The manualCleanup parameter will
* also be removed.
*/
Tech.prototype.addRemoteTextTrack = function addRemoteTextTrack() {
var _this6 = this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var manualCleanup = arguments[1];
var htmlTrackElement = this.createRemoteTextTrack(options);
if (manualCleanup !== true && manualCleanup !== false) {
// deprecation warning
log$1.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js');
manualCleanup = true;
}
// store HTMLTrackElement and TextTrack to remote list
this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
this.remoteTextTracks().addTrack(htmlTrackElement.track);
if (manualCleanup !== true) {
// create the TextTrackList if it doesn't exist
this.ready(function () {
return _this6.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);
});
}
return htmlTrackElement;
};
/**
* Remove a remote text track from the remote `TextTrackList`.
*
* @param {TextTrack} track
* `TextTrack` to remove from the `TextTrackList`
*/
Tech.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track);
// remove HTMLTrackElement and TextTrack from remote list
this.remoteTextTrackEls().removeTrackElement_(trackElement);
this.remoteTextTracks().removeTrack(track);
this.autoRemoteTextTracks_.removeTrack(track);
};
/**
* Gets available media playback quality metrics as specified by the W3C's Media
* Playback Quality API.
*
* @see [Spec]{@link https://wicg.github.io/media-playback-quality}
*
* @return {Object}
* An object with supported media playback quality metrics
*
* @abstract
*/
Tech.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
return {};
};
/**
* A method to set a poster from a `Tech`.
*
* @abstract
*/
Tech.prototype.setPoster = function setPoster() {};
/**
* A method to check for the presence of the 'playsinine' <video> attribute.
*
* @abstract
*/
Tech.prototype.playsinline = function playsinline() {};
/**
* A method to set or unset the 'playsinine' <video> attribute.
*
* @abstract
*/
Tech.prototype.setPlaysinline = function setPlaysinline() {};
/*
* Check if the tech can support the given mime-type.
*
* The base tech does not support any type, but source handlers might
* overwrite this.
*
* @param {string} type
* The mimetype to check for support
*
* @return {string}
* 'probably', 'maybe', or empty string
*
* @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
*
* @abstract
*/
Tech.prototype.canPlayType = function canPlayType() {
return '';
};
/**
* Check if the type is supported by this tech.
*
* The base tech does not support any type, but source handlers might
* overwrite this.
*
* @param {string} type
* The media type to check
* @return {string} Returns the native video element's response
*/
Tech.canPlayType = function canPlayType() {
return '';
};
/**
* Check if the tech can support the given source
* @param {Object} srcObj
* The source object
* @param {Object} options
* The options passed to the tech
* @return {string} 'probably', 'maybe', or '' (empty string)
*/
Tech.canPlaySource = function canPlaySource(srcObj, options) {
return Tech.canPlayType(srcObj.type);
};
/*
* Return whether the argument is a Tech or not.
* Can be passed either a Class like `Html5` or a instance like `player.tech_`
*
* @param {Object} component
* The item to check
*
* @return {boolean}
* Whether it is a tech or not
* - True if it is a tech
* - False if it is not
*/
Tech.isTech = function isTech(component) {
return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
};
/**
* Registers a `Tech` into a shared list for videojs.
*
* @param {string} name
* Name of the `Tech` to register.
*
* @param {Object} tech
* The `Tech` class to register.
*/
Tech.registerTech = function registerTech(name, tech) {
if (!Tech.techs_) {
Tech.techs_ = {};
}
if (!Tech.isTech(tech)) {
throw new Error('Tech ' + name + ' must be a Tech');
}
if (!Tech.canPlayType) {
throw new Error('Techs must have a static canPlayType method on them');
}
if (!Tech.canPlaySource) {
throw new Error('Techs must have a static canPlaySource method on them');
}
name = toTitleCase(name);
Tech.techs_[name] = tech;
if (name !== 'Tech') {
// camel case the techName for use in techOrder
Tech.defaultTechOrder_.push(name);
}
return tech;
};
/**
* Get a `Tech` from the shared list by name.
*
* @param {string} name
* `camelCase` or `TitleCase` name of the Tech to get
*
* @return {Tech|undefined}
* The `Tech` or undefined if there was no tech with the name requsted.
*/
Tech.getTech = function getTech(name) {
if (!name) {
return;
}
name = toTitleCase(name);
if (Tech.techs_ && Tech.techs_[name]) {
return Tech.techs_[name];
}
if (window_1 && window_1.videojs && window_1.videojs[name]) {
log$1.warn('The ' + name + ' tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)');
return window_1.videojs[name];
}
};
return Tech;
}(Component);
/**
* Get the {@link VideoTrackList}
*
* @returns {VideoTrackList}
* @method Tech.prototype.videoTracks
*/
/**
* Get the {@link AudioTrackList}
*
* @returns {AudioTrackList}
* @method Tech.prototype.audioTracks
*/
/**
* Get the {@link TextTrackList}
*
* @returns {TextTrackList}
* @method Tech.prototype.textTracks
*/
/**
* Get the remote element {@link TextTrackList}
*
* @returns {TextTrackList}
* @method Tech.prototype.remoteTextTracks
*/
/**
* Get the remote element {@link HtmlTrackElementList}
*
* @returns {HtmlTrackElementList}
* @method Tech.prototype.remoteTextTrackEls
*/
ALL.names.forEach(function (name) {
var props = ALL[name];
Tech.prototype[props.getterName] = function () {
this[props.privateName] = this[props.privateName] || new props.ListClass();
return this[props.privateName];
};
});
/**
* List of associated text tracks
*
* @type {TextTrackList}
* @private
* @property Tech#textTracks_
*/
/**
* List of associated audio tracks.
*
* @type {AudioTrackList}
* @private
* @property Tech#audioTracks_
*/
/**
* List of associated video tracks.
*
* @type {VideoTrackList}
* @private
* @property Tech#videoTracks_
*/
/**
* Boolean indicating wether the `Tech` supports volume control.
*
* @type {boolean}
* @default
*/
Tech.prototype.featuresVolumeControl = true;
/**
* Boolean indicating wether the `Tech` support fullscreen resize control.
* Resizing plugins using request fullscreen reloads the plugin
*
* @type {boolean}
* @default
*/
Tech.prototype.featuresFullscreenResize = false;
/**
* Boolean indicating wether the `Tech` supports changing the speed at which the video
* plays. Examples:
* - Set player to play 2x (twice) as fast
* - Set player to play 0.5x (half) as fast
*
* @type {boolean}
* @default
*/
Tech.prototype.featuresPlaybackRate = false;
/**
* Boolean indicating wether the `Tech` supports the `progress` event. This is currently
* not triggered by video-js-swf. This will be used to determine if
* {@link Tech#manualProgressOn} should be called.
*
* @type {boolean}
* @default
*/
Tech.prototype.featuresProgressEvents = false;
/**
* Boolean indicating wether the `Tech` supports the `timeupdate` event. This is currently
* not triggered by video-js-swf. This will be used to determine if
* {@link Tech#manualTimeUpdates} should be called.
*
* @type {boolean}
* @default
*/
Tech.prototype.featuresTimeupdateEvents = false;
/**
* Boolean indicating wether the `Tech` supports the native `TextTrack`s.
* This will help us integrate with native `TextTrack`s if the browser supports them.
*
* @type {boolean}
* @default
*/
Tech.prototype.featuresNativeTextTracks = false;
/**
* A functional mixin for techs that want to use the Source Handler pattern.
* Source handlers are scripts for handling specific formats.
* The source handler pattern is used for adaptive formats (HLS, DASH) that
* manually load video data and feed it into a Source Buffer (Media Source Extensions)
* Example: `Tech.withSourceHandlers.call(MyTech);`
*
* @param {Tech} _Tech
* The tech to add source handler functions to.
*
* @mixes Tech~SourceHandlerAdditions
*/
Tech.withSourceHandlers = function (_Tech) {
/**
* Register a source handler
*
* @param {Function} handler
* The source handler class
*
* @param {number} [index]
* Register it at the following index
*/
_Tech.registerSourceHandler = function (handler, index) {
var handlers = _Tech.sourceHandlers;
if (!handlers) {
handlers = _Tech.sourceHandlers = [];
}
if (index === undefined) {
// add to the end of the list
index = handlers.length;
}
handlers.splice(index, 0, handler);
};
/**
* Check if the tech can support the given type. Also checks the
* Techs sourceHandlers.
*
* @param {string} type
* The mimetype to check.
*
* @return {string}
* 'probably', 'maybe', or '' (empty string)
*/
_Tech.canPlayType = function (type) {
var handlers = _Tech.sourceHandlers || [];
var can = void 0;
for (var i = 0; i < handlers.length; i++) {
can = handlers[i].canPlayType(type);
if (can) {
return can;
}
}
return '';
};
/**
* Returns the first source handler that supports the source.
*
* TODO: Answer question: should 'probably' be prioritized over 'maybe'
*
* @param {Tech~SourceObject} source
* The source object
*
* @param {Object} options
* The options passed to the tech
*
* @return {SourceHandler|null}
* The first source handler that supports the source or null if
* no SourceHandler supports the source
*/
_Tech.selectSourceHandler = function (source, options) {
var handlers = _Tech.sourceHandlers || [];
var can = void 0;
for (var i = 0; i < handlers.length; i++) {
can = handlers[i].canHandleSource(source, options);
if (can) {
return handlers[i];
}
}
return null;
};
/**
* Check if the tech can support the given source.
*
* @param {Tech~SourceObject} srcObj
* The source object
*
* @param {Object} options
* The options passed to the tech
*
* @return {string}
* 'probably', 'maybe', or '' (empty string)
*/
_Tech.canPlaySource = function (srcObj, options) {
var sh = _Tech.selectSourceHandler(srcObj, options);
if (sh) {
return sh.canHandleSource(srcObj, options);
}
return '';
};
/**
* When using a source handler, prefer its implementation of
* any function normally provided by the tech.
*/
var deferrable = ['seekable', 'duration'];
/**
* A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
* function if it exists, with a fallback to the Techs seekable function.
*
* @method _Tech.seekable
*/
/**
* A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
* function if it exists, otherwise it will fallback to the techs duration function.
*
* @method _Tech.duration
*/
deferrable.forEach(function (fnName) {
var originalFn = this[fnName];
if (typeof originalFn !== 'function') {
return;
}
this[fnName] = function () {
if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
}
return originalFn.apply(this, arguments);
};
}, _Tech.prototype);
/**
* Create a function for setting the source using a source object
* and source handlers.
* Should never be called unless a source handler was found.
*
* @param {Tech~SourceObject} source
* A source object with src and type keys
*/
_Tech.prototype.setSource = function (source) {
var sh = _Tech.selectSourceHandler(source, this.options_);
if (!sh) {
// Fall back to a native source hander when unsupported sources are
// deliberately set
if (_Tech.nativeSourceHandler) {
sh = _Tech.nativeSourceHandler;
} else {
log$1.error('No source hander found for the current source.');
}
}
// Dispose any existing source handler
this.disposeSourceHandler();
this.off('dispose', this.disposeSourceHandler);
if (sh !== _Tech.nativeSourceHandler) {
this.currentSource_ = source;
}
this.sourceHandler_ = sh.handleSource(source, this, this.options_);
this.on('dispose', this.disposeSourceHandler);
};
/**
* Clean up any existing SourceHandlers and listeners when the Tech is disposed.
*
* @listens Tech#dispose
*/
_Tech.prototype.disposeSourceHandler = function () {
// if we have a source and get another one
// then we are loading something new
// than clear all of our current tracks
if (this.currentSource_) {
this.clearTracks(['audio', 'video']);
this.currentSource_ = null;
}
// always clean up auto-text tracks
this.cleanupAutoTextTracks();
if (this.sourceHandler_) {
if (this.sourceHandler_.dispose) {
this.sourceHandler_.dispose();
}
this.sourceHandler_ = null;
}
};
};
// The base Tech class needs to be registered as a Component. It is the only
// Tech that can be registered as a Component.
Component.registerComponent('Tech', Tech);
Tech.registerTech('Tech', Tech);
/**
* A list of techs that should be added to techOrder on Players
*
* @private
*/
Tech.defaultTechOrder_ = [];
var middlewares = {};
function use(type, middleware) {
middlewares[type] = middlewares[type] || [];
middlewares[type].push(middleware);
}
function setSource(player, src, next) {
player.setTimeout(function () {
return setSourceHelper(src, middlewares[src.type], next, player);
}, 1);
}
function setTech(middleware, tech) {
middleware.forEach(function (mw) {
return mw.setTech && mw.setTech(tech);
});
}
function get$1(middleware, tech, method) {
return middleware.reduceRight(middlewareIterator(method), tech[method]());
}
function set$1(middleware, tech, method, arg) {
return tech[method](middleware.reduce(middlewareIterator(method), arg));
}
var allowedGetters = {
buffered: 1,
currentTime: 1,
duration: 1,
seekable: 1,
played: 1
};
var allowedSetters = {
setCurrentTime: 1
};
function middlewareIterator(method) {
return function (value, mw) {
if (mw[method]) {
return mw[method](value);
}
return value;
};
}
function setSourceHelper() {
var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
var next = arguments[2];
var player = arguments[3];
var acc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];
var lastRun = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
var mwFactory = middleware[0],
mwrest = middleware.slice(1);
// if mwFactory is a string, then we're at a fork in the road
if (typeof mwFactory === 'string') {
setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun);
// if we have an mwFactory, call it with the player to get the mw,
// then call the mw's setSource method
} else if (mwFactory) {
var mw = mwFactory(player);
mw.setSource(assign({}, src), function (err, _src) {
// something happened, try the next middleware on the current level
// make sure to use the old src
if (err) {
return setSourceHelper(src, mwrest, next, player, acc, lastRun);
}
// we've succeeded, now we need to go deeper
acc.push(mw);
// if it's the same time, continue does the current chain
// otherwise, we want to go down the new chain
setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
});
} else if (mwrest.length) {
setSourceHelper(src, mwrest, next, player, acc, lastRun);
} else if (lastRun) {
next(src, acc);
} else {
setSourceHelper(src, middlewares['*'], next, player, acc, true);
}
}
/**
* @module filter-source
*/
/**
* Filter out single bad source objects or multiple source objects in an
* array. Also flattens nested source object arrays into a 1 dimensional
* array of source objects.
*
* @param {Tech~SourceObject|Tech~SourceObject[]} src
* The src object to filter
*
* @return {Tech~SourceObject[]}
* An array of sourceobjects containing only valid sources
*
* @private
*/
var filterSource = function filterSource(src) {
// traverse array
if (Array.isArray(src)) {
var newsrc = [];
src.forEach(function (srcobj) {
srcobj = filterSource(srcobj);
if (Array.isArray(srcobj)) {
newsrc = newsrc.concat(srcobj);
} else if (isObject(srcobj)) {
newsrc.push(srcobj);
}
});
src = newsrc;
} else if (typeof src === 'string' && src.trim()) {
// convert string into object
src = [{ src: src }];
} else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
// src is already valid
src = [src];
} else {
// invalid source, turn it into an empty array
src = [];
}
return src;
};
/**
* @file loader.js
*/
/**
* The `MediaLoader` is the `Component` that decides which playback technology to load
* when a player is initialized.
*
* @extends Component
*/
var MediaLoader = function (_Component) {
inherits(MediaLoader, _Component);
/**
* Create an instance of this class.
*
* @param {Player} player
* The `Player` that this class should attach to.
*
* @param {Object} [options]
* The key/value stroe of player options.
*
* @param {Component~ReadyCallback} [ready]
* The function that is run when this component is ready.
*/
function MediaLoader(player, options, ready) {
classCallCheck(this, MediaLoader);
// MediaLoader has no element
var options_ = mergeOptions({ createEl: false }, options);
// If there are no sources when the player is initialized,
// load the first supported playback technology.
var _this = possibleConstructorReturn(this, _Component.call(this, player, options_, ready));
if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
var techName = toTitleCase(j[i]);
var tech = Tech.getTech(techName);
// Support old behavior of techs being registered as components.
// Remove once that deprecated behavior is removed.
if (!techName) {
tech = Component.getComponent(techName);
}
// Check if the browser supports this technology
if (tech && tech.isSupported()) {
player.loadTech_(techName);
break;
}
}
} else {
// Loop through playback technologies (HTML5, Flash) and check for support.
// Then load the best source.
// A few assumptions here:
// All playback technologies respect preload false.
player.src(options.playerOptions.sources);
}
return _this;
}
return MediaLoader;
}(Component);
Component.registerComponent('MediaLoader', MediaLoader);
/**
* @file button.js
*/
/**
* Clickable Component which is clickable or keyboard actionable,
* but is not a native HTML button.
*
* @extends Component
*/
var ClickableComponent = function (_Component) {
inherits(ClickableComponent, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function ClickableComponent(player, options) {
classCallCheck(this, ClickableComponent);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.emitTapEvents();
_this.enable();
return _this;
}
/**
* Create the `Component`s DOM element.
*
* @param {string} [tag=div]
* The element's node type.
*
* @param {Object} [props={}]
* An object of properties that should be set on the element.
*
* @param {Object} [attributes={}]
* An object of attributes that should be set on the element.
*
* @return {Element}
* The element that gets created.
*/
ClickableComponent.prototype.createEl = function createEl$$1() {
var tag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
props = assign({
innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
className: this.buildCSSClass(),
tabIndex: 0
}, props);
if (tag === 'button') {
log$1.error('Creating a ClickableComponent with an HTML element of ' + tag + ' is not supported; use a Button instead.');
}
// Add ARIA attributes for clickable element which is not a native HTML button
attributes = assign({
'role': 'button',
// let the screen reader user know that the text of the element may change
'aria-live': 'polite'
}, attributes);
this.tabIndex_ = props.tabIndex;
var el = _Component.prototype.createEl.call(this, tag, props, attributes);
this.createControlTextEl(el);
return el;
};
ClickableComponent.prototype.dispose = function dispose() {
// remove controlTextEl_ on dipose
this.controlTextEl_ = null;
_Component.prototype.dispose.call(this);
};
/**
* Create a control text element on this `Component`
*
* @param {Element} [el]
* Parent element for the control text.
*
* @return {Element}
* The control text element that gets created.
*/
ClickableComponent.prototype.createControlTextEl = function createControlTextEl(el) {
this.controlTextEl_ = createEl('span', {
className: 'vjs-control-text'
});
if (el) {
el.appendChild(this.controlTextEl_);
}
this.controlText(this.controlText_, el);
return this.controlTextEl_;
};
/**
* Get or set the localize text to use for the controls on the `Component`.
*
* @param {string} [text]
* Control text for element.
*
* @param {Element} [el=this.el()]
* Element to set the title on.
*
* @return {string}
* - The control text when getting
*/
ClickableComponent.prototype.controlText = function controlText(text) {
var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.el();
if (text === undefined) {
return this.controlText_ || 'Need Text';
}
var localizedText = this.localize(text);
this.controlText_ = text;
textContent(this.controlTextEl_, localizedText);
if (!this.nonIconControl) {
// Set title attribute if only an icon is shown
el.setAttribute('title', localizedText);
}
};
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
ClickableComponent.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-control vjs-button ' + _Component.prototype.buildCSSClass.call(this);
};
/**
* Enable this `Component`s element.
*/
ClickableComponent.prototype.enable = function enable() {
if (!this.enabled_) {
this.enabled_ = true;
this.removeClass('vjs-disabled');
this.el_.setAttribute('aria-disabled', 'false');
if (typeof this.tabIndex_ !== 'undefined') {
this.el_.setAttribute('tabIndex', this.tabIndex_);
}
this.on(['tap', 'click'], this.handleClick);
this.on('focus', this.handleFocus);
this.on('blur', this.handleBlur);
}
};
/**
* Disable this `Component`s element.
*/
ClickableComponent.prototype.disable = function disable() {
this.enabled_ = false;
this.addClass('vjs-disabled');
this.el_.setAttribute('aria-disabled', 'true');
if (typeof this.tabIndex_ !== 'undefined') {
this.el_.removeAttribute('tabIndex');
}
this.off(['tap', 'click'], this.handleClick);
this.off('focus', this.handleFocus);
this.off('blur', this.handleBlur);
};
/**
* This gets called when a `ClickableComponent` gets:
* - Clicked (via the `click` event, listening starts in the constructor)
* - Tapped (via the `tap` event, listening starts in the constructor)
* - The following things happen in order:
* 1. {@link ClickableComponent#handleFocus} is called via a `focus` event on the
* `ClickableComponent`.
* 2. {@link ClickableComponent#handleFocus} adds a listener for `keydown` on using
* {@link ClickableComponent#handleKeyPress}.
* 3. `ClickableComponent` has not had a `blur` event (`blur` means that focus was lost). The user presses
* the space or enter key.
* 4. {@link ClickableComponent#handleKeyPress} calls this function with the `keydown`
* event as a parameter.
*
* @param {EventTarget~Event} event
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
* @abstract
*/
ClickableComponent.prototype.handleClick = function handleClick(event) {};
/**
* This gets called when a `ClickableComponent` gains focus via a `focus` event.
* Turns on listening for `keydown` events. When they happen it
* calls `this.handleKeyPress`.
*
* @param {EventTarget~Event} event
* The `focus` event that caused this function to be called.
*
* @listens focus
*/
ClickableComponent.prototype.handleFocus = function handleFocus(event) {
on(document_1, 'keydown', bind(this, this.handleKeyPress));
};
/**
* Called when this ClickableComponent has focus and a key gets pressed down. By
* default it will call `this.handleClick` when the key is space or enter.
*
* @param {EventTarget~Event} event
* The `keydown` event that caused this function to be called.
*
* @listens keydown
*/
ClickableComponent.prototype.handleKeyPress = function handleKeyPress(event) {
// Support Space (32) or Enter (13) key operation to fire a click event
if (event.which === 32 || event.which === 13) {
event.preventDefault();
this.trigger('click');
} else if (_Component.prototype.handleKeyPress) {
// Pass keypress handling up for unsupported keys
_Component.prototype.handleKeyPress.call(this, event);
}
};
/**
* Called when a `ClickableComponent` loses focus. Turns off the listener for
* `keydown` events. Which Stops `this.handleKeyPress` from getting called.
*
* @param {EventTarget~Event} event
* The `blur` event that caused this function to be called.
*
* @listens blur
*/
ClickableComponent.prototype.handleBlur = function handleBlur(event) {
off(document_1, 'keydown', bind(this, this.handleKeyPress));
};
return ClickableComponent;
}(Component);
Component.registerComponent('ClickableComponent', ClickableComponent);
/**
* @file poster-image.js
*/
/**
* A `ClickableComponent` that handles showing the poster image for the player.
*
* @extends ClickableComponent
*/
var PosterImage = function (_ClickableComponent) {
inherits(PosterImage, _ClickableComponent);
/**
* Create an instance of this class.
*
* @param {Player} player
* The `Player` that this class should attach to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function PosterImage(player, options) {
classCallCheck(this, PosterImage);
var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
_this.update();
player.on('posterchange', bind(_this, _this.update));
return _this;
}
/**
* Clean up and dispose of the `PosterImage`.
*/
PosterImage.prototype.dispose = function dispose() {
this.player().off('posterchange', this.update);
_ClickableComponent.prototype.dispose.call(this);
};
/**
* Create the `PosterImage`s DOM element.
*
* @return {Element}
* The element that gets created.
*/
PosterImage.prototype.createEl = function createEl$$1() {
var el = createEl('div', {
className: 'vjs-poster',
// Don't want poster to be tabbable.
tabIndex: -1
});
// To ensure the poster image resizes while maintaining its original aspect
// ratio, use a div with `background-size` when available. For browsers that
// do not support `background-size` (e.g. IE8), fall back on using a regular
// img element.
if (!BACKGROUND_SIZE_SUPPORTED) {
this.fallbackImg_ = createEl('img');
el.appendChild(this.fallbackImg_);
}
return el;
};
/**
* An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
*
* @listens Player#posterchange
*
* @param {EventTarget~Event} [event]
* The `Player#posterchange` event that triggered this function.
*/
PosterImage.prototype.update = function update(event) {
var url = this.player().poster();
this.setSrc(url);
// If there's no poster source we should display:none on this component
// so it's not still clickable or right-clickable
if (url) {
this.show();
} else {
this.hide();
}
};
/**
* Set the source of the `PosterImage` depending on the display method.
*
* @param {string} url
* The URL to the source for the `PosterImage`.
*/
PosterImage.prototype.setSrc = function setSrc(url) {
if (this.fallbackImg_) {
this.fallbackImg_.src = url;
} else {
var backgroundImage = '';
// Any falsey values should stay as an empty string, otherwise
// this will throw an extra error
if (url) {
backgroundImage = 'url("' + url + '")';
}
this.el_.style.backgroundImage = backgroundImage;
}
};
/**
* An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
* {@link ClickableComponent#handleClick} for instances where this will be triggered.
*
* @listens tap
* @listens click
* @listens keydown
*
* @param {EventTarget~Event} event
+ The `click`, `tap` or `keydown` event that caused this function to be called.
*/
PosterImage.prototype.handleClick = function handleClick(event) {
// We don't want a click to trigger playback when controls are disabled
if (!this.player_.controls()) {
return;
}
if (this.player_.paused()) {
this.player_.play();
} else {
this.player_.pause();
}
};
return PosterImage;
}(ClickableComponent);
Component.registerComponent('PosterImage', PosterImage);
/**
* @file text-track-display.js
*/
var darkGray = '#222';
var lightGray = '#ccc';
var fontMap = {
monospace: 'monospace',
sansSerif: 'sans-serif',
serif: 'serif',
monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
monospaceSerif: '"Courier New", monospace',
proportionalSansSerif: 'sans-serif',
proportionalSerif: 'serif',
casual: '"Comic Sans MS", Impact, fantasy',
script: '"Monotype Corsiva", cursive',
smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
};
/**
* Construct an rgba color from a given hex color code.
*
* @param {number} color
* Hex number for color, like #f0e.
*
* @param {number} opacity
* Value for opacity, 0.0 - 1.0.
*
* @return {string}
* The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
*
* @private
*/
function constructColor(color, opacity) {
return 'rgba(' +
// color looks like "#f0e"
parseInt(color[1] + color[1], 16) + ',' + parseInt(color[2] + color[2], 16) + ',' + parseInt(color[3] + color[3], 16) + ',' + opacity + ')';
}
/**
* Try to update the style of a DOM element. Some style changes will throw an error,
* particularly in IE8. Those should be noops.
*
* @param {Element} el
* The DOM element to be styled.
*
* @param {string} style
* The CSS property on the element that should be styled.
*
* @param {string} rule
* The style rule that should be applied to the property.
*
* @private
*/
function tryUpdateStyle(el, style, rule) {
try {
el.style[style] = rule;
} catch (e) {
// Satisfies linter.
return;
}
}
/**
* The component for displaying text track cues.
*
* @extends Component
*/
var TextTrackDisplay = function (_Component) {
inherits(TextTrackDisplay, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Component~ReadyCallback} [ready]
* The function to call when `TextTrackDisplay` is ready.
*/
function TextTrackDisplay(player, options, ready) {
classCallCheck(this, TextTrackDisplay);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options, ready));
player.on('loadstart', bind(_this, _this.toggleDisplay));
player.on('texttrackchange', bind(_this, _this.updateDisplay));
player.on('loadstart', bind(_this, _this.preselectTrack));
// This used to be called during player init, but was causing an error
// if a track should show by default and the display hadn't loaded yet.
// Should probably be moved to an external track loader when we support
// tracks that don't need a display.
player.ready(bind(_this, function () {
if (player.tech_ && player.tech_.featuresNativeTextTracks) {
this.hide();
return;
}
player.on('fullscreenchange', bind(this, this.updateDisplay));
var tracks = this.options_.playerOptions.tracks || [];
for (var i = 0; i < tracks.length; i++) {
this.player_.addRemoteTextTrack(tracks[i], true);
}
this.preselectTrack();
}));
return _this;
}
/**
* Preselect a track following this precedence:
* - matches the previously selected {@link TextTrack}'s language and kind
* - matches the previously selected {@link TextTrack}'s language only
* - is the first default captions track
* - is the first default descriptions track
*
* @listens Player#loadstart
*/
TextTrackDisplay.prototype.preselectTrack = function preselectTrack() {
var modes = { captions: 1, subtitles: 1 };
var trackList = this.player_.textTracks();
var userPref = this.player_.cache_.selectedLanguage;
var firstDesc = void 0;
var firstCaptions = void 0;
var preferredTrack = void 0;
for (var i = 0; i < trackList.length; i++) {
var track = trackList[i];
if (userPref && userPref.enabled && userPref.language === track.language) {
// Always choose the track that matches both language and kind
if (track.kind === userPref.kind) {
preferredTrack = track;
// or choose the first track that matches language
} else if (!preferredTrack) {
preferredTrack = track;
}
// clear everything if offTextTrackMenuItem was clicked
} else if (userPref && !userPref.enabled) {
preferredTrack = null;
firstDesc = null;
firstCaptions = null;
} else if (track['default']) {
if (track.kind === 'descriptions' && !firstDesc) {
firstDesc = track;
} else if (track.kind in modes && !firstCaptions) {
firstCaptions = track;
}
}
}
// The preferredTrack matches the user preference and takes
// precendence over all the other tracks.
// So, display the preferredTrack before the first default track
// and the subtitles/captions track before the descriptions track
if (preferredTrack) {
preferredTrack.mode = 'showing';
} else if (firstCaptions) {
firstCaptions.mode = 'showing';
} else if (firstDesc) {
firstDesc.mode = 'showing';
}
};
/**
* Turn display of {@link TextTrack}'s from the current state into the other state.
* There are only two states:
* - 'shown'
* - 'hidden'
*
* @listens Player#loadstart
*/
TextTrackDisplay.prototype.toggleDisplay = function toggleDisplay() {
if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
this.hide();
} else {
this.show();
}
};
/**
* Create the {@link Component}'s DOM element.
*
* @return {Element}
* The element that was created.
*/
TextTrackDisplay.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-text-track-display'
}, {
'aria-live': 'off',
'aria-atomic': 'true'
});
};
/**
* Clear all displayed {@link TextTrack}s.
*/
TextTrackDisplay.prototype.clearDisplay = function clearDisplay() {
if (typeof window_1.WebVTT === 'function') {
window_1.WebVTT.processCues(window_1, [], this.el_);
}
};
/**
* Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
* a {@link Player#fullscreenchange} is fired.
*
* @listens Player#texttrackchange
* @listens Player#fullscreenchange
*/
TextTrackDisplay.prototype.updateDisplay = function updateDisplay() {
var tracks = this.player_.textTracks();
this.clearDisplay();
// Track display prioritization model: if multiple tracks are 'showing',
// display the first 'subtitles' or 'captions' track which is 'showing',
// otherwise display the first 'descriptions' track which is 'showing'
var descriptionsTrack = null;
var captionsSubtitlesTrack = null;
var i = tracks.length;
while (i--) {
var track = tracks[i];
if (track.mode === 'showing') {
if (track.kind === 'descriptions') {
descriptionsTrack = track;
} else {
captionsSubtitlesTrack = track;
}
}
}
if (captionsSubtitlesTrack) {
if (this.getAttribute('aria-live') !== 'off') {
this.setAttribute('aria-live', 'off');
}
this.updateForTrack(captionsSubtitlesTrack);
} else if (descriptionsTrack) {
if (this.getAttribute('aria-live') !== 'assertive') {
this.setAttribute('aria-live', 'assertive');
}
this.updateForTrack(descriptionsTrack);
}
};
/**
* Add an {@link Texttrack} to to the {@link Tech}s {@link TextTrackList}.
*
* @param {TextTrack} track
* Text track object to be added to the list.
*/
TextTrackDisplay.prototype.updateForTrack = function updateForTrack(track) {
if (typeof window_1.WebVTT !== 'function' || !track.activeCues) {
return;
}
var overrides = this.player_.textTrackSettings.getValues();
var cues = [];
for (var _i = 0; _i < track.activeCues.length; _i++) {
cues.push(track.activeCues[_i]);
}
window_1.WebVTT.processCues(window_1, cues, this.el_);
var i = cues.length;
while (i--) {
var cue = cues[i];
if (!cue) {
continue;
}
var cueDiv = cue.displayState;
if (overrides.color) {
cueDiv.firstChild.style.color = overrides.color;
}
if (overrides.textOpacity) {
tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
}
if (overrides.backgroundColor) {
cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
}
if (overrides.backgroundOpacity) {
tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
}
if (overrides.windowColor) {
if (overrides.windowOpacity) {
tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
} else {
cueDiv.style.backgroundColor = overrides.windowColor;
}
}
if (overrides.edgeStyle) {
if (overrides.edgeStyle === 'dropshadow') {
cueDiv.firstChild.style.textShadow = '2px 2px 3px ' + darkGray + ', 2px 2px 4px ' + darkGray + ', 2px 2px 5px ' + darkGray;
} else if (overrides.edgeStyle === 'raised') {
cueDiv.firstChild.style.textShadow = '1px 1px ' + darkGray + ', 2px 2px ' + darkGray + ', 3px 3px ' + darkGray;
} else if (overrides.edgeStyle === 'depressed') {
cueDiv.firstChild.style.textShadow = '1px 1px ' + lightGray + ', 0 1px ' + lightGray + ', -1px -1px ' + darkGray + ', 0 -1px ' + darkGray;
} else if (overrides.edgeStyle === 'uniform') {
cueDiv.firstChild.style.textShadow = '0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray;
}
}
if (overrides.fontPercent && overrides.fontPercent !== 1) {
var fontSize = window_1.parseFloat(cueDiv.style.fontSize);
cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
cueDiv.style.height = 'auto';
cueDiv.style.top = 'auto';
cueDiv.style.bottom = '2px';
}
if (overrides.fontFamily && overrides.fontFamily !== 'default') {
if (overrides.fontFamily === 'small-caps') {
cueDiv.firstChild.style.fontVariant = 'small-caps';
} else {
cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
}
}
}
};
return TextTrackDisplay;
}(Component);
Component.registerComponent('TextTrackDisplay', TextTrackDisplay);
/**
* @file loading-spinner.js
*/
/**
* A loading spinner for use during waiting/loading events.
*
* @extends Component
*/
var LoadingSpinner = function (_Component) {
inherits(LoadingSpinner, _Component);
function LoadingSpinner() {
classCallCheck(this, LoadingSpinner);
return possibleConstructorReturn(this, _Component.apply(this, arguments));
}
/**
* Create the `LoadingSpinner`s DOM element.
*
* @return {Element}
* The dom element that gets created.
*/
LoadingSpinner.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-loading-spinner',
dir: 'ltr'
});
};
return LoadingSpinner;
}(Component);
Component.registerComponent('LoadingSpinner', LoadingSpinner);
/**
* @file button.js
*/
/**
* Base class for all buttons.
*
* @extends ClickableComponent
*/
var Button = function (_ClickableComponent) {
inherits(Button, _ClickableComponent);
function Button() {
classCallCheck(this, Button);
return possibleConstructorReturn(this, _ClickableComponent.apply(this, arguments));
}
/**
* Create the `Button`s DOM element.
*
* @param {string} [tag="button"]
* The element's node type. This argument is IGNORED: no matter what
* is passed, it will always create a `button` element.
*
* @param {Object} [props={}]
* An object of properties that should be set on the element.
*
* @param {Object} [attributes={}]
* An object of attributes that should be set on the element.
*
* @return {Element}
* The element that gets created.
*/
Button.prototype.createEl = function createEl(tag) {
var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
tag = 'button';
props = assign({
innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
className: this.buildCSSClass()
}, props);
// Add attributes for button element
attributes = assign({
// Necessary since the default button type is "submit"
'type': 'button',
// let the screen reader user know that the text of the button may change
'aria-live': 'polite'
}, attributes);
var el = Component.prototype.createEl.call(this, tag, props, attributes);
this.createControlTextEl(el);
return el;
};
/**
* Add a child `Component` inside of this `Button`.
*
* @param {string|Component} child
* The name or instance of a child to add.
*
* @param {Object} [options={}]
* The key/value store of options that will get passed to children of
* the child.
*
* @return {Component}
* The `Component` that gets added as a child. When using a string the
* `Component` will get created by this process.
*
* @deprecated since version 5
*/
Button.prototype.addChild = function addChild(child) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var className = this.constructor.name;
log$1.warn('Adding an actionable (user controllable) child to a Button (' + className + ') is not supported; use a ClickableComponent instead.');
// Avoid the error message generated by ClickableComponent's addChild method
return Component.prototype.addChild.call(this, child, options);
};
/**
* Enable the `Button` element so that it can be activated or clicked. Use this with
* {@link Button#disable}.
*/
Button.prototype.enable = function enable() {
_ClickableComponent.prototype.enable.call(this);
this.el_.removeAttribute('disabled');
};
/**
* Enable the `Button` element so that it cannot be activated or clicked. Use this with
* {@link Button#enable}.
*/
Button.prototype.disable = function disable() {
_ClickableComponent.prototype.disable.call(this);
this.el_.setAttribute('disabled', 'disabled');
};
/**
* This gets called when a `Button` has focus and `keydown` is triggered via a key
* press.
*
* @param {EventTarget~Event} event
* The event that caused this function to get called.
*
* @listens keydown
*/
Button.prototype.handleKeyPress = function handleKeyPress(event) {
// Ignore Space (32) or Enter (13) key operation, which is handled by the browser for a button.
if (event.which === 32 || event.which === 13) {
return;
}
// Pass keypress handling up for unsupported keys
_ClickableComponent.prototype.handleKeyPress.call(this, event);
};
return Button;
}(ClickableComponent);
Component.registerComponent('Button', Button);
/**
* @file big-play-button.js
*/
/**
* The initial play button that shows before the video has played. The hiding of the
* `BigPlayButton` get done via CSS and `Player` states.
*
* @extends Button
*/
var BigPlayButton = function (_Button) {
inherits(BigPlayButton, _Button);
function BigPlayButton(player, options) {
classCallCheck(this, BigPlayButton);
var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
_this.mouseused_ = false;
_this.on('mousedown', _this.handleMouseDown);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object. Always returns 'vjs-big-play-button'.
*/
BigPlayButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-big-play-button';
};
/**
* This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
* for more detailed information on what a click can be.
*
* @param {EventTarget~Event} event
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
BigPlayButton.prototype.handleClick = function handleClick(event) {
var playPromise = this.player_.play();
// exit early if clicked via the mouse
if (this.mouseused_ && event.clientX && event.clientY) {
return;
}
var cb = this.player_.getChild('controlBar');
var playToggle = cb && cb.getChild('playToggle');
if (!playToggle) {
this.player_.focus();
return;
}
var playFocus = function playFocus() {
return playToggle.focus();
};
if (isPromise(playPromise)) {
playPromise.then(playFocus, function () {});
} else {
this.setTimeout(playFocus, 1);
}
};
BigPlayButton.prototype.handleKeyPress = function handleKeyPress(event) {
this.mouseused_ = false;
_Button.prototype.handleKeyPress.call(this, event);
};
BigPlayButton.prototype.handleMouseDown = function handleMouseDown(event) {
this.mouseused_ = true;
};
return BigPlayButton;
}(Button);
/**
* The text that should display over the `BigPlayButton`s controls. Added to for localization.
*
* @type {string}
* @private
*/
BigPlayButton.prototype.controlText_ = 'Play Video';
Component.registerComponent('BigPlayButton', BigPlayButton);
/**
* @file close-button.js
*/
/**
* The `CloseButton` is a `{@link Button}` that fires a `close` event when
* it gets clicked.
*
* @extends Button
*/
var CloseButton = function (_Button) {
inherits(CloseButton, _Button);
/**
* Creates an instance of the this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function CloseButton(player, options) {
classCallCheck(this, CloseButton);
var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
_this.controlText(options && options.controlText || _this.localize('Close'));
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
CloseButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-close-button ' + _Button.prototype.buildCSSClass.call(this);
};
/**
* This gets called when a `CloseButton` gets clicked. See
* {@link ClickableComponent#handleClick} for more information on when this will be
* triggered
*
* @param {EventTarget~Event} event
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
* @fires CloseButton#close
*/
CloseButton.prototype.handleClick = function handleClick(event) {
/**
* Triggered when the a `CloseButton` is clicked.
*
* @event CloseButton#close
* @type {EventTarget~Event}
*
* @property {boolean} [bubbles=false]
* set to false so that the close event does not
* bubble up to parents if there is no listener
*/
this.trigger({ type: 'close', bubbles: false });
};
return CloseButton;
}(Button);
Component.registerComponent('CloseButton', CloseButton);
/**
* @file play-toggle.js
*/
/**
* Button to toggle between play and pause.
*
* @extends Button
*/
var PlayToggle = function (_Button) {
inherits(PlayToggle, _Button);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function PlayToggle(player, options) {
classCallCheck(this, PlayToggle);
var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
_this.on(player, 'play', _this.handlePlay);
_this.on(player, 'pause', _this.handlePause);
_this.on(player, 'ended', _this.handleEnded);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
PlayToggle.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-play-control ' + _Button.prototype.buildCSSClass.call(this);
};
/**
* This gets called when an `PlayToggle` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
PlayToggle.prototype.handleClick = function handleClick(event) {
if (this.player_.paused()) {
this.player_.play();
} else {
this.player_.pause();
}
};
/**
* This gets called once after the video has ended and the user seeks so that
* we can change the replay button back to a play button.
*
* @param {EventTarget~Event} [event]
* The event that caused this function to run.
*
* @listens Player#seeked
*/
PlayToggle.prototype.handleSeeked = function handleSeeked(event) {
this.removeClass('vjs-ended');
if (this.player_.paused()) {
this.handlePause(event);
} else {
this.handlePlay(event);
}
};
/**
* Add the vjs-playing class to the element so it can change appearance.
*
* @param {EventTarget~Event} [event]
* The event that caused this function to run.
*
* @listens Player#play
*/
PlayToggle.prototype.handlePlay = function handlePlay(event) {
this.removeClass('vjs-ended');
this.removeClass('vjs-paused');
this.addClass('vjs-playing');
// change the button text to "Pause"
this.controlText('Pause');
};
/**
* Add the vjs-paused class to the element so it can change appearance.
*
* @param {EventTarget~Event} [event]
* The event that caused this function to run.
*
* @listens Player#pause
*/
PlayToggle.prototype.handlePause = function handlePause(event) {
this.removeClass('vjs-playing');
this.addClass('vjs-paused');
// change the button text to "Play"
this.controlText('Play');
};
/**
* Add the vjs-ended class to the element so it can change appearance
*
* @param {EventTarget~Event} [event]
* The event that caused this function to run.
*
* @listens Player#ended
*/
PlayToggle.prototype.handleEnded = function handleEnded(event) {
this.removeClass('vjs-playing');
this.addClass('vjs-ended');
// change the button text to "Replay"
this.controlText('Replay');
// on the next seek remove the replay button
this.one(this.player_, 'seeked', this.handleSeeked);
};
return PlayToggle;
}(Button);
/**
* The text that should display over the `PlayToggle`s controls. Added for localization.
*
* @type {string}
* @private
*/
PlayToggle.prototype.controlText_ = 'Play';
Component.registerComponent('PlayToggle', PlayToggle);
/**
* @file format-time.js
* @module Format-time
*/
/**
* Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in seconds)
* will force a number of leading zeros to cover the length of the guide.
*
* @param {number} seconds
* Number of seconds to be turned into a string
*
* @param {number} guide
* Number (in seconds) to model the string after
*
* @return {string}
* Time formatted as H:MM:SS or M:SS
*/
function formatTime(seconds) {
var guide = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : seconds;
seconds = seconds < 0 ? 0 : seconds;
var s = Math.floor(seconds % 60);
var m = Math.floor(seconds / 60 % 60);
var h = Math.floor(seconds / 3600);
var gm = Math.floor(guide / 60 % 60);
var gh = Math.floor(guide / 3600);
// handle invalid times
if (isNaN(seconds) || seconds === Infinity) {
// '-' is false for all relational operators (e.g. <, >=) so this setting
// will add the minimum number of fields specified by the guide
h = m = s = '-';
}
// Check if we need to show hours
h = h > 0 || gh > 0 ? h + ':' : '';
// If hours are showing, we may need to add a leading zero.
// Always show at least one digit of minutes.
m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':';
// Check if leading zero is need for seconds
s = s < 10 ? '0' + s : s;
return h + m + s;
}
/**
* @file time-display.js
*/
/**
* Displays the time left in the video
*
* @extends Component
*/
var TimeDisplay = function (_Component) {
inherits(TimeDisplay, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function TimeDisplay(player, options) {
classCallCheck(this, TimeDisplay);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.throttledUpdateContent = throttle(bind(_this, _this.updateContent), 25);
_this.on(player, 'timeupdate', _this.throttledUpdateContent);
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
TimeDisplay.prototype.createEl = function createEl$$1(plainName) {
var className = this.buildCSSClass();
var el = _Component.prototype.createEl.call(this, 'div', {
className: className + ' vjs-time-control vjs-control'
});
this.contentEl_ = createEl('div', {
className: className + '-display'
}, {
// tell screen readers not to automatically read the time as it changes
'aria-live': 'off'
}, createEl('span', {
className: 'vjs-control-text',
textContent: this.localize(this.controlText_)
}));
this.updateTextNode_();
el.appendChild(this.contentEl_);
return el;
};
TimeDisplay.prototype.dispose = function dispose() {
this.contentEl_ = null;
this.textNode_ = null;
_Component.prototype.dispose.call(this);
};
/**
* Updates the "remaining time" text node with new content using the
* contents of the `formattedTime_` property.
*
* @private
*/
TimeDisplay.prototype.updateTextNode_ = function updateTextNode_() {
if (!this.contentEl_) {
return;
}
while (this.contentEl_.firstChild) {
this.contentEl_.removeChild(this.contentEl_.firstChild);
}
this.textNode_ = document_1.createTextNode(this.formattedTime_ || '0:00');
this.contentEl_.appendChild(this.textNode_);
};
/**
* Generates a formatted time for this component to use in display.
*
* @param {number} time
* A numeric time, in seconds.
*
* @return {string}
* A formatted time
*
* @private
*/
TimeDisplay.prototype.formatTime_ = function formatTime_(time) {
return formatTime(time);
};
/**
* Updates the time display text node if it has what was passed in changed
* the formatted time.
*
* @param {number} time
* The time to update to
*
* @private
*/
TimeDisplay.prototype.updateFormattedTime_ = function updateFormattedTime_(time) {
var formattedTime = this.formatTime_(time);
if (formattedTime === this.formattedTime_) {
return;
}
this.formattedTime_ = formattedTime;
this.requestAnimationFrame(this.updateTextNode_);
};
/**
* To be filled out in the child class, should update the displayed time
* in accordance with the fact that the current time has changed.
*
* @param {EventTarget~Event} [event]
* The `timeupdate` event that caused this to run.
*
* @listens Player#timeupdate
*/
TimeDisplay.prototype.updateContent = function updateContent(event) {};
return TimeDisplay;
}(Component);
/**
* The text that should display over the `TimeDisplay`s controls. Added to for localization.
*
* @type {string}
* @private
*/
TimeDisplay.prototype.controlText_ = 'Time';
Component.registerComponent('TimeDisplay', TimeDisplay);
/**
* @file current-time-display.js
*/
/**
* Displays the current time
*
* @extends Component
*/
var CurrentTimeDisplay = function (_TimeDisplay) {
inherits(CurrentTimeDisplay, _TimeDisplay);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function CurrentTimeDisplay(player, options) {
classCallCheck(this, CurrentTimeDisplay);
var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
_this.on(player, 'ended', _this.handleEnded);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
CurrentTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-current-time';
};
/**
* Update current time display
*
* @param {EventTarget~Event} [event]
* The `timeupdate` event that caused this function to run.
*
* @listens Player#timeupdate
*/
CurrentTimeDisplay.prototype.updateContent = function updateContent(event) {
// Allows for smooth scrubbing, when player can't keep up.
var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
this.updateFormattedTime_(time);
};
/**
* When the player fires ended there should be no time left. Sadly
* this is not always the case, lets make it seem like that is the case
* for users.
*
* @param {EventTarget~Event} [event]
* The `ended` event that caused this to run.
*
* @listens Player#ended
*/
CurrentTimeDisplay.prototype.handleEnded = function handleEnded(event) {
if (!this.player_.duration()) {
return;
}
this.updateFormattedTime_(this.player_.duration());
};
return CurrentTimeDisplay;
}(TimeDisplay);
/**
* The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
*
* @type {string}
* @private
*/
CurrentTimeDisplay.prototype.controlText_ = 'Current Time';
Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);
/**
* @file duration-display.js
*/
/**
* Displays the duration
*
* @extends Component
*/
var DurationDisplay = function (_TimeDisplay) {
inherits(DurationDisplay, _TimeDisplay);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function DurationDisplay(player, options) {
classCallCheck(this, DurationDisplay);
// we do not want to/need to throttle duration changes,
// as they should always display the changed duration as
// it has changed
var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
_this.on(player, 'durationchange', _this.updateContent);
// Also listen for timeupdate (in the parent) and loadedmetadata because removing those
// listeners could have broken dependent applications/libraries. These
// can likely be removed for 7.0.
_this.on(player, 'loadedmetadata', _this.throttledUpdateContent);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
DurationDisplay.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-duration';
};
/**
* Update duration time display.
*
* @param {EventTarget~Event} [event]
* The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
* this function to be called.
*
* @listens Player#durationchange
* @listens Player#timeupdate
* @listens Player#loadedmetadata
*/
DurationDisplay.prototype.updateContent = function updateContent(event) {
var duration = this.player_.duration();
if (duration && this.duration_ !== duration) {
this.duration_ = duration;
this.updateFormattedTime_(duration);
}
};
return DurationDisplay;
}(TimeDisplay);
/**
* The text that should display over the `DurationDisplay`s controls. Added to for localization.
*
* @type {string}
* @private
*/
DurationDisplay.prototype.controlText_ = 'Duration Time';
Component.registerComponent('DurationDisplay', DurationDisplay);
/**
* @file time-divider.js
*/
/**
* The separator between the current time and duration.
* Can be hidden if it's not needed in the design.
*
* @extends Component
*/
var TimeDivider = function (_Component) {
inherits(TimeDivider, _Component);
function TimeDivider() {
classCallCheck(this, TimeDivider);
return possibleConstructorReturn(this, _Component.apply(this, arguments));
}
/**
* Create the component's DOM element
*
* @return {Element}
* The element that was created.
*/
TimeDivider.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-time-control vjs-time-divider',
innerHTML: '<div><span>/</span></div>'
});
};
return TimeDivider;
}(Component);
Component.registerComponent('TimeDivider', TimeDivider);
/**
* @file remaining-time-display.js
*/
/**
* Displays the time left in the video
*
* @extends Component
*/
var RemainingTimeDisplay = function (_TimeDisplay) {
inherits(RemainingTimeDisplay, _TimeDisplay);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function RemainingTimeDisplay(player, options) {
classCallCheck(this, RemainingTimeDisplay);
var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
_this.on(player, 'durationchange', _this.throttledUpdateContent);
_this.on(player, 'ended', _this.handleEnded);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
RemainingTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-remaining-time';
};
/**
* The remaining time display prefixes numbers with a "minus" character.
*
* @param {number} time
* A numeric time, in seconds.
*
* @return {string}
* A formatted time
*
* @private
*/
RemainingTimeDisplay.prototype.formatTime_ = function formatTime_(time) {
return '-' + _TimeDisplay.prototype.formatTime_.call(this, time);
};
/**
* Update remaining time display.
*
* @param {EventTarget~Event} [event]
* The `timeupdate` or `durationchange` event that caused this to run.
*
* @listens Player#timeupdate
* @listens Player#durationchange
*/
RemainingTimeDisplay.prototype.updateContent = function updateContent(event) {
if (!this.player_.duration()) {
return;
}
// @deprecated We should only use remainingTimeDisplay
// as of video.js 7
if (this.player_.remainingTimeDisplay) {
this.updateFormattedTime_(this.player_.remainingTimeDisplay());
} else {
this.updateFormattedTime_(this.player_.remainingTime());
}
};
/**
* When the player fires ended there should be no time left. Sadly
* this is not always the case, lets make it seem like that is the case
* for users.
*
* @param {EventTarget~Event} [event]
* The `ended` event that caused this to run.
*
* @listens Player#ended
*/
RemainingTimeDisplay.prototype.handleEnded = function handleEnded(event) {
if (!this.player_.duration()) {
return;
}
this.updateFormattedTime_(0);
};
return RemainingTimeDisplay;
}(TimeDisplay);
/**
* The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
*
* @type {string}
* @private
*/
RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';
Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);
/**
* @file live-display.js
*/
// TODO - Future make it click to snap to live
/**
* Displays the live indicator when duration is Infinity.
*
* @extends Component
*/
var LiveDisplay = function (_Component) {
inherits(LiveDisplay, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function LiveDisplay(player, options) {
classCallCheck(this, LiveDisplay);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.updateShowing();
_this.on(_this.player(), 'durationchange', _this.updateShowing);
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
LiveDisplay.prototype.createEl = function createEl$$1() {
var el = _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-live-control vjs-control'
});
this.contentEl_ = createEl('div', {
className: 'vjs-live-display',
innerHTML: '<span class="vjs-control-text">' + this.localize('Stream Type') + '</span>' + this.localize('LIVE')
}, {
'aria-live': 'off'
});
el.appendChild(this.contentEl_);
return el;
};
LiveDisplay.prototype.dispose = function dispose() {
this.contentEl_ = null;
_Component.prototype.dispose.call(this);
};
/**
* Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
* it accordingly
*
* @param {EventTarget~Event} [event]
* The {@link Player#durationchange} event that caused this function to run.
*
* @listens Player#durationchange
*/
LiveDisplay.prototype.updateShowing = function updateShowing(event) {
if (this.player().duration() === Infinity) {
this.show();
} else {
this.hide();
}
};
return LiveDisplay;
}(Component);
Component.registerComponent('LiveDisplay', LiveDisplay);
/**
* @file slider.js
*/
/**
* The base functionality for a slider. Can be vertical or horizontal.
* For instance the volume bar or the seek bar on a video is a slider.
*
* @extends Component
*/
var Slider = function (_Component) {
inherits(Slider, _Component);
/**
* Create an instance of this class
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function Slider(player, options) {
classCallCheck(this, Slider);
// Set property names to bar to match with the child Slider class is looking for
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.bar = _this.getChild(_this.options_.barName);
// Set a horizontal or vertical class on the slider depending on the slider type
_this.vertical(!!_this.options_.vertical);
_this.enable();
return _this;
}
/**
* Are controls are currently enabled for this slider or not.
*
* @return {boolean}
* true if controls are enabled, false otherwise
*/
Slider.prototype.enabled = function enabled() {
return this.enabled_;
};
/**
* Enable controls for this slider if they are disabled
*/
Slider.prototype.enable = function enable() {
if (this.enabled()) {
return;
}
this.on('mousedown', this.handleMouseDown);
this.on('touchstart', this.handleMouseDown);
this.on('focus', this.handleFocus);
this.on('blur', this.handleBlur);
this.on('click', this.handleClick);
this.on(this.player_, 'controlsvisible', this.update);
if (this.playerEvent) {
this.on(this.player_, this.playerEvent, this.update);
}
this.removeClass('disabled');
this.setAttribute('tabindex', 0);
this.enabled_ = true;
};
/**
* Disable controls for this slider if they are enabled
*/
Slider.prototype.disable = function disable() {
if (!this.enabled()) {
return;
}
var doc = this.bar.el_.ownerDocument;
this.off('mousedown', this.handleMouseDown);
this.off('touchstart', this.handleMouseDown);
this.off('focus', this.handleFocus);
this.off('blur', this.handleBlur);
this.off('click', this.handleClick);
this.off(this.player_, 'controlsvisible', this.update);
this.off(doc, 'mousemove', this.handleMouseMove);
this.off(doc, 'mouseup', this.handleMouseUp);
this.off(doc, 'touchmove', this.handleMouseMove);
this.off(doc, 'touchend', this.handleMouseUp);
this.removeAttribute('tabindex');
this.addClass('disabled');
if (this.playerEvent) {
this.off(this.player_, this.playerEvent, this.update);
}
this.enabled_ = false;
};
/**
* Create the `Button`s DOM element.
*
* @param {string} type
* Type of element to create.
*
* @param {Object} [props={}]
* List of properties in Object form.
*
* @param {Object} [attributes={}]
* list of attributes in Object form.
*
* @return {Element}
* The element that gets created.
*/
Slider.prototype.createEl = function createEl$$1(type) {
var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
// Add the slider element class to all sub classes
props.className = props.className + ' vjs-slider';
props = assign({
tabIndex: 0
}, props);
attributes = assign({
'role': 'slider',
'aria-valuenow': 0,
'aria-valuemin': 0,
'aria-valuemax': 100,
'tabIndex': 0
}, attributes);
return _Component.prototype.createEl.call(this, type, props, attributes);
};
/**
* Handle `mousedown` or `touchstart` events on the `Slider`.
*
* @param {EventTarget~Event} event
* `mousedown` or `touchstart` event that triggered this function
*
* @listens mousedown
* @listens touchstart
* @fires Slider#slideractive
*/
Slider.prototype.handleMouseDown = function handleMouseDown(event) {
var doc = this.bar.el_.ownerDocument;
event.preventDefault();
blockTextSelection();
this.addClass('vjs-sliding');
/**
* Triggered when the slider is in an active state
*
* @event Slider#slideractive
* @type {EventTarget~Event}
*/
this.trigger('slideractive');
this.on(doc, 'mousemove', this.handleMouseMove);
this.on(doc, 'mouseup', this.handleMouseUp);
this.on(doc, 'touchmove', this.handleMouseMove);
this.on(doc, 'touchend', this.handleMouseUp);
this.handleMouseMove(event);
};
/**
* Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
* The `mousemove` and `touchmove` events will only only trigger this function during
* `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
* {@link Slider#handleMouseUp}.
*
* @param {EventTarget~Event} event
* `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
* this function
*
* @listens mousemove
* @listens touchmove
*/
Slider.prototype.handleMouseMove = function handleMouseMove(event) {};
/**
* Handle `mouseup` or `touchend` events on the `Slider`.
*
* @param {EventTarget~Event} event
* `mouseup` or `touchend` event that triggered this function.
*
* @listens touchend
* @listens mouseup
* @fires Slider#sliderinactive
*/
Slider.prototype.handleMouseUp = function handleMouseUp() {
var doc = this.bar.el_.ownerDocument;
unblockTextSelection();
this.removeClass('vjs-sliding');
/**
* Triggered when the slider is no longer in an active state.
*
* @event Slider#sliderinactive
* @type {EventTarget~Event}
*/
this.trigger('sliderinactive');
this.off(doc, 'mousemove', this.handleMouseMove);
this.off(doc, 'mouseup', this.handleMouseUp);
this.off(doc, 'touchmove', this.handleMouseMove);
this.off(doc, 'touchend', this.handleMouseUp);
this.update();
};
/**
* Update the progress bar of the `Slider`.
*
* @returns {number}
* The percentage of progress the progress bar represents as a
* number from 0 to 1.
*/
Slider.prototype.update = function update() {
// In VolumeBar init we have a setTimeout for update that pops and update
// to the end of the execution stack. The player is destroyed before then
// update will cause an error
if (!this.el_) {
return;
}
// If scrubbing, we could use a cached value to make the handle keep up
// with the user's mouse. On HTML5 browsers scrubbing is really smooth, but
// some flash players are slow, so we might want to utilize this later.
// var progress = (this.player_.scrubbing()) ? this.player_.getCache().currentTime / this.player_.duration() : this.player_.currentTime() / this.player_.duration();
var progress = this.getPercent();
var bar = this.bar;
// If there's no bar...
if (!bar) {
return;
}
// Protect against no duration and other division issues
if (typeof progress !== 'number' || progress !== progress || progress < 0 || progress === Infinity) {
progress = 0;
}
// Convert to a percentage for setting
var percentage = (progress * 100).toFixed(2) + '%';
var style = bar.el().style;
// Set the new bar width or height
if (this.vertical()) {
style.height = percentage;
} else {
style.width = percentage;
}
return progress;
};
/**
* Calculate distance for slider
*
* @param {EventTarget~Event} event
* The event that caused this function to run.
*
* @return {number}
* The current position of the Slider.
* - postition.x for vertical `Slider`s
* - postition.y for horizontal `Slider`s
*/
Slider.prototype.calculateDistance = function calculateDistance(event) {
var position = getPointerPosition(this.el_, event);
if (this.vertical()) {
return position.y;
}
return position.x;
};
/**
* Handle a `focus` event on this `Slider`.
*
* @param {EventTarget~Event} event
* The `focus` event that caused this function to run.
*
* @listens focus
*/
Slider.prototype.handleFocus = function handleFocus() {
this.on(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
};
/**
* Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down
* arrow keys. This function will only be called when the slider has focus. See
* {@link Slider#handleFocus} and {@link Slider#handleBlur}.
*
* @param {EventTarget~Event} event
* the `keydown` event that caused this function to run.
*
* @listens keydown
*/
Slider.prototype.handleKeyPress = function handleKeyPress(event) {
// Left and Down Arrows
if (event.which === 37 || event.which === 40) {
event.preventDefault();
this.stepBack();
// Up and Right Arrows
} else if (event.which === 38 || event.which === 39) {
event.preventDefault();
this.stepForward();
}
};
/**
* Handle a `blur` event on this `Slider`.
*
* @param {EventTarget~Event} event
* The `blur` event that caused this function to run.
*
* @listens blur
*/
Slider.prototype.handleBlur = function handleBlur() {
this.off(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
};
/**
* Listener for click events on slider, used to prevent clicks
* from bubbling up to parent elements like button menus.
*
* @param {Object} event
* Event that caused this object to run
*/
Slider.prototype.handleClick = function handleClick(event) {
event.stopImmediatePropagation();
event.preventDefault();
};
/**
* Get/set if slider is horizontal for vertical
*
* @param {boolean} [bool]
* - true if slider is vertical,
* - false is horizontal
*
* @return {boolean}
* - true if slider is vertical, and getting
* - false if the slider is horizontal, and getting
*/
Slider.prototype.vertical = function vertical(bool) {
if (bool === undefined) {
return this.vertical_ || false;
}
this.vertical_ = !!bool;
if (this.vertical_) {
this.addClass('vjs-slider-vertical');
} else {
this.addClass('vjs-slider-horizontal');
}
};
return Slider;
}(Component);
Component.registerComponent('Slider', Slider);
/**
* @file load-progress-bar.js
*/
/**
* Shows loading progress
*
* @extends Component
*/
var LoadProgressBar = function (_Component) {
inherits(LoadProgressBar, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function LoadProgressBar(player, options) {
classCallCheck(this, LoadProgressBar);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.partEls_ = [];
_this.on(player, 'progress', _this.update);
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
LoadProgressBar.prototype.createEl = function createEl$$1() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-load-progress',
innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Loaded') + '</span>: 0%</span>'
});
};
LoadProgressBar.prototype.dispose = function dispose() {
this.partEls_ = null;
_Component.prototype.dispose.call(this);
};
/**
* Update progress bar
*
* @param {EventTarget~Event} [event]
* The `progress` event that caused this function to run.
*
* @listens Player#progress
*/
LoadProgressBar.prototype.update = function update(event) {
var buffered = this.player_.buffered();
var duration = this.player_.duration();
var bufferedEnd = this.player_.bufferedEnd();
var children = this.partEls_;
// get the percent width of a time compared to the total end
var percentify = function percentify(time, end) {
// no NaN
var percent = time / end || 0;
return (percent >= 1 ? 1 : percent) * 100 + '%';
};
// update the width of the progress bar
this.el_.style.width = percentify(bufferedEnd, duration);
// add child elements to represent the individual buffered time ranges
for (var i = 0; i < buffered.length; i++) {
var start = buffered.start(i);
var end = buffered.end(i);
var part = children[i];
if (!part) {
part = this.el_.appendChild(createEl());
children[i] = part;
}
// set the percent based on the width of the progress bar (bufferedEnd)
part.style.left = percentify(start, bufferedEnd);
part.style.width = percentify(end - start, bufferedEnd);
}
// remove unused buffered range elements
for (var _i = children.length; _i > buffered.length; _i--) {
this.el_.removeChild(children[_i - 1]);
}
children.length = buffered.length;
};
return LoadProgressBar;
}(Component);
Component.registerComponent('LoadProgressBar', LoadProgressBar);
/**
* @file time-tooltip.js
*/
/**
* Time tooltips display a time above the progress bar.
*
* @extends Component
*/
var TimeTooltip = function (_Component) {
inherits(TimeTooltip, _Component);
function TimeTooltip() {
classCallCheck(this, TimeTooltip);
return possibleConstructorReturn(this, _Component.apply(this, arguments));
}
/**
* Create the time tooltip DOM element
*
* @return {Element}
* The element that was created.
*/
TimeTooltip.prototype.createEl = function createEl$$1() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-time-tooltip'
});
};
/**
* Updates the position of the time tooltip relative to the `SeekBar`.
*
* @param {Object} seekBarRect
* The `ClientRect` for the {@link SeekBar} element.
*
* @param {number} seekBarPoint
* A number from 0 to 1, representing a horizontal reference point
* from the left edge of the {@link SeekBar}
*/
TimeTooltip.prototype.update = function update(seekBarRect, seekBarPoint, content) {
var tooltipRect = getBoundingClientRect(this.el_);
var playerRect = getBoundingClientRect(this.player_.el());
var seekBarPointPx = seekBarRect.width * seekBarPoint;
// do nothing if either rect isn't available
// for example, if the player isn't in the DOM for testing
if (!playerRect || !tooltipRect) {
return;
}
// This is the space left of the `seekBarPoint` available within the bounds
// of the player. We calculate any gap between the left edge of the player
// and the left edge of the `SeekBar` and add the number of pixels in the
// `SeekBar` before hitting the `seekBarPoint`
var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx;
// This is the space right of the `seekBarPoint` available within the bounds
// of the player. We calculate the number of pixels from the `seekBarPoint`
// to the right edge of the `SeekBar` and add to that any gap between the
// right edge of the `SeekBar` and the player.
var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right);
// This is the number of pixels by which the tooltip will need to be pulled
// further to the right to center it over the `seekBarPoint`.
var pullTooltipBy = tooltipRect.width / 2;
// Adjust the `pullTooltipBy` distance to the left or right depending on
// the results of the space calculations above.
if (spaceLeftOfPoint < pullTooltipBy) {
pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
} else if (spaceRightOfPoint < pullTooltipBy) {
pullTooltipBy = spaceRightOfPoint;
}
// Due to the imprecision of decimal/ratio based calculations and varying
// rounding behaviors, there are cases where the spacing adjustment is off
// by a pixel or two. This adds insurance to these calculations.
if (pullTooltipBy < 0) {
pullTooltipBy = 0;
} else if (pullTooltipBy > tooltipRect.width) {
pullTooltipBy = tooltipRect.width;
}
this.el_.style.right = '-' + pullTooltipBy + 'px';
textContent(this.el_, content);
};
return TimeTooltip;
}(Component);
Component.registerComponent('TimeTooltip', TimeTooltip);
/**
* @file play-progress-bar.js
*/
/**
* Used by {@link SeekBar} to display media playback progress as part of the
* {@link ProgressControl}.
*
* @extends Component
*/
var PlayProgressBar = function (_Component) {
inherits(PlayProgressBar, _Component);
function PlayProgressBar() {
classCallCheck(this, PlayProgressBar);
return possibleConstructorReturn(this, _Component.apply(this, arguments));
}
/**
* Create the the DOM element for this class.
*
* @return {Element}
* The element that was created.
*/
PlayProgressBar.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-play-progress vjs-slider-bar',
innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Progress') + '</span>: 0%</span>'
});
};
/**
* Enqueues updates to its own DOM as well as the DOM of its
* {@link TimeTooltip} child.
*
* @param {Object} seekBarRect
* The `ClientRect` for the {@link SeekBar} element.
*
* @param {number} seekBarPoint
* A number from 0 to 1, representing a horizontal reference point
* from the left edge of the {@link SeekBar}
*/
PlayProgressBar.prototype.update = function update(seekBarRect, seekBarPoint) {
var _this2 = this;
// If there is an existing rAF ID, cancel it so we don't over-queue.
if (this.rafId_) {
this.cancelAnimationFrame(this.rafId_);
}
this.rafId_ = this.requestAnimationFrame(function () {
var time = _this2.player_.scrubbing() ? _this2.player_.getCache().currentTime : _this2.player_.currentTime();
var content = formatTime(time, _this2.player_.duration());
var timeTooltip = _this2.getChild('timeTooltip');
if (timeTooltip) {
timeTooltip.update(seekBarRect, seekBarPoint, content);
}
});
};
return PlayProgressBar;
}(Component);
/**
* Default options for {@link PlayProgressBar}.
*
* @type {Object}
* @private
*/
PlayProgressBar.prototype.options_ = {
children: []
};
// Time tooltips should not be added to a player on mobile devices or IE8
if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
PlayProgressBar.prototype.options_.children.push('timeTooltip');
}
Component.registerComponent('PlayProgressBar', PlayProgressBar);
/**
* @file mouse-time-display.js
*/
/**
* The {@link MouseTimeDisplay} component tracks mouse movement over the
* {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
* indicating the time which is represented by a given point in the
* {@link ProgressControl}.
*
* @extends Component
*/
var MouseTimeDisplay = function (_Component) {
inherits(MouseTimeDisplay, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The {@link Player} that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function MouseTimeDisplay(player, options) {
classCallCheck(this, MouseTimeDisplay);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.update = throttle(bind(_this, _this.update), 25);
return _this;
}
/**
* Create the DOM element for this class.
*
* @return {Element}
* The element that was created.
*/
MouseTimeDisplay.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-mouse-display'
});
};
/**
* Enqueues updates to its own DOM as well as the DOM of its
* {@link TimeTooltip} child.
*
* @param {Object} seekBarRect
* The `ClientRect` for the {@link SeekBar} element.
*
* @param {number} seekBarPoint
* A number from 0 to 1, representing a horizontal reference point
* from the left edge of the {@link SeekBar}
*/
MouseTimeDisplay.prototype.update = function update(seekBarRect, seekBarPoint) {
var _this2 = this;
// If there is an existing rAF ID, cancel it so we don't over-queue.
if (this.rafId_) {
this.cancelAnimationFrame(this.rafId_);
}
this.rafId_ = this.requestAnimationFrame(function () {
var duration = _this2.player_.duration();
var content = formatTime(seekBarPoint * duration, duration);
_this2.el_.style.left = seekBarRect.width * seekBarPoint + 'px';
_this2.getChild('timeTooltip').update(seekBarRect, seekBarPoint, content);
});
};
return MouseTimeDisplay;
}(Component);
/**
* Default options for `MouseTimeDisplay`
*
* @type {Object}
* @private
*/
MouseTimeDisplay.prototype.options_ = {
children: ['timeTooltip']
};
Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);
/**
* @file seek-bar.js
*/
// The number of seconds the `step*` functions move the timeline.
var STEP_SECONDS = 5;
// The interval at which the bar should update as it progresses.
var UPDATE_REFRESH_INTERVAL = 30;
/**
* Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
* as its `bar`.
*
* @extends Slider
*/
var SeekBar = function (_Slider) {
inherits(SeekBar, _Slider);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function SeekBar(player, options) {
classCallCheck(this, SeekBar);
var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
_this.update = throttle(bind(_this, _this.update), UPDATE_REFRESH_INTERVAL);
_this.on(player, 'timeupdate', _this.update);
_this.on(player, 'ended', _this.handleEnded);
// when playing, let's ensure we smoothly update the play progress bar
// via an interval
_this.updateInterval = null;
_this.on(player, ['playing'], function () {
_this.clearInterval(_this.updateInterval);
_this.updateInterval = _this.setInterval(function () {
_this.requestAnimationFrame(function () {
_this.update();
});
}, UPDATE_REFRESH_INTERVAL);
});
_this.on(player, ['ended', 'pause', 'waiting'], function () {
_this.clearInterval(_this.updateInterval);
});
_this.on(player, ['timeupdate', 'ended'], _this.update);
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
SeekBar.prototype.createEl = function createEl$$1() {
return _Slider.prototype.createEl.call(this, 'div', {
className: 'vjs-progress-holder'
}, {
'aria-label': this.localize('Progress Bar')
});
};
/**
* This function updates the play progress bar and accessiblity
* attributes to whatever is passed in.
*
* @param {number} currentTime
* The currentTime value that should be used for accessiblity
*
* @param {number} percent
* The percentage as a decimal that the bar should be filled from 0-1.
*
* @private
*/
SeekBar.prototype.update_ = function update_(currentTime, percent) {
var duration = this.player_.duration();
// machine readable value of progress bar (percentage complete)
this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));
// human readable value of progress bar (time complete)
this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));
// Update the `PlayProgressBar`.
this.bar.update(getBoundingClientRect(this.el_), percent);
};
/**
* Update the seek bar's UI.
*
* @param {EventTarget~Event} [event]
* The `timeupdate` or `ended` event that caused this to run.
*
* @listens Player#timeupdate
*
* @returns {number}
* The current percent at a number from 0-1
*/
SeekBar.prototype.update = function update(event) {
var percent = _Slider.prototype.update.call(this);
this.update_(this.getCurrentTime_(), percent);
return percent;
};
/**
* Get the value of current time but allows for smooth scrubbing,
* when player can't keep up.
*
* @return {number}
* The current time value to display
*
* @private
*/
SeekBar.prototype.getCurrentTime_ = function getCurrentTime_() {
return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
};
/**
* We want the seek bar to be full on ended
* no matter what the actual internal values are. so we force it.
*
* @param {EventTarget~Event} [event]
* The `timeupdate` or `ended` event that caused this to run.
*
* @listens Player#ended
*/
SeekBar.prototype.handleEnded = function handleEnded(event) {
this.update_(this.player_.duration(), 1);
};
/**
* Get the percentage of media played so far.
*
* @return {number}
* The percentage of media played so far (0 to 1).
*/
SeekBar.prototype.getPercent = function getPercent() {
var percent = this.getCurrentTime_() / this.player_.duration();
return percent >= 1 ? 1 : percent;
};
/**
* Handle mouse down on seek bar
*
* @param {EventTarget~Event} event
* The `mousedown` event that caused this to run.
*
* @listens mousedown
*/
SeekBar.prototype.handleMouseDown = function handleMouseDown(event) {
if (!isSingleLeftClick(event)) {
return;
}
this.player_.scrubbing(true);
this.videoWasPlaying = !this.player_.paused();
this.player_.pause();
_Slider.prototype.handleMouseDown.call(this, event);
};
/**
* Handle mouse move on seek bar
*
* @param {EventTarget~Event} event
* The `mousemove` event that caused this to run.
*
* @listens mousemove
*/
SeekBar.prototype.handleMouseMove = function handleMouseMove(event) {
if (!isSingleLeftClick(event)) {
return;
}
var newTime = this.calculateDistance(event) * this.player_.duration();
// Don't let video end while scrubbing.
if (newTime === this.player_.duration()) {
newTime = newTime - 0.1;
}
// Set new time (tell player to seek to new time)
this.player_.currentTime(newTime);
};
SeekBar.prototype.enable = function enable() {
_Slider.prototype.enable.call(this);
var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
if (!mouseTimeDisplay) {
return;
}
mouseTimeDisplay.show();
};
SeekBar.prototype.disable = function disable() {
_Slider.prototype.disable.call(this);
var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
if (!mouseTimeDisplay) {
return;
}
mouseTimeDisplay.hide();
};
/**
* Handle mouse up on seek bar
*
* @param {EventTarget~Event} event
* The `mouseup` event that caused this to run.
*
* @listens mouseup
*/
SeekBar.prototype.handleMouseUp = function handleMouseUp(event) {
_Slider.prototype.handleMouseUp.call(this, event);
this.player_.scrubbing(false);
/**
* Trigger timeupdate because we're done seeking and the time has changed.
* This is particularly useful for if the player is paused to time the time displays.
*
* @event Tech#timeupdate
* @type {EventTarget~Event}
*/
this.player_.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true });
if (this.videoWasPlaying) {
this.player_.play();
}
};
/**
* Move more quickly fast forward for keyboard-only users
*/
SeekBar.prototype.stepForward = function stepForward() {
this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);
};
/**
* Move more quickly rewind for keyboard-only users
*/
SeekBar.prototype.stepBack = function stepBack() {
this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);
};
/**
* Toggles the playback state of the player
* This gets called when enter or space is used on the seekbar
*
* @param {EventTarget~Event} event
* The `keydown` event that caused this function to be called
*
*/
SeekBar.prototype.handleAction = function handleAction(event) {
if (this.player_.paused()) {
this.player_.play();
} else {
this.player_.pause();
}
};
/**
* Called when this SeekBar has focus and a key gets pressed down. By
* default it will call `this.handleAction` when the key is space or enter.
*
* @param {EventTarget~Event} event
* The `keydown` event that caused this function to be called.
*
* @listens keydown
*/
SeekBar.prototype.handleKeyPress = function handleKeyPress(event) {
// Support Space (32) or Enter (13) key operation to fire a click event
if (event.which === 32 || event.which === 13) {
event.preventDefault();
this.handleAction(event);
} else if (_Slider.prototype.handleKeyPress) {
// Pass keypress handling up for unsupported keys
_Slider.prototype.handleKeyPress.call(this, event);
}
};
return SeekBar;
}(Slider);
/**
* Default options for the `SeekBar`
*
* @type {Object}
* @private
*/
SeekBar.prototype.options_ = {
children: ['loadProgressBar', 'playProgressBar'],
barName: 'playProgressBar'
};
// MouseTimeDisplay tooltips should not be added to a player on mobile devices or IE8
if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
}
/**
* Call the update event for this Slider when this event happens on the player.
*
* @type {string}
*/
SeekBar.prototype.playerEvent = 'timeupdate';
Component.registerComponent('SeekBar', SeekBar);
/**
* @file progress-control.js
*/
/**
* The Progress Control component contains the seek bar, load progress,
* and play progress.
*
* @extends Component
*/
var ProgressControl = function (_Component) {
inherits(ProgressControl, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function ProgressControl(player, options) {
classCallCheck(this, ProgressControl);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.handleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
_this.throttledHandleMouseSeek = throttle(bind(_this, _this.handleMouseSeek), 25);
_this.enable();
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
ProgressControl.prototype.createEl = function createEl$$1() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-progress-control vjs-control'
});
};
/**
* When the mouse moves over the `ProgressControl`, the pointer position
* gets passed down to the `MouseTimeDisplay` component.
*
* @param {EventTarget~Event} event
* The `mousemove` event that caused this function to run.
*
* @listen mousemove
*/
ProgressControl.prototype.handleMouseMove = function handleMouseMove(event) {
var seekBar = this.getChild('seekBar');
var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
var seekBarEl = seekBar.el();
var seekBarRect = getBoundingClientRect(seekBarEl);
var seekBarPoint = getPointerPosition(seekBarEl, event).x;
// The default skin has a gap on either side of the `SeekBar`. This means
// that it's possible to trigger this behavior outside the boundaries of
// the `SeekBar`. This ensures we stay within it at all times.
if (seekBarPoint > 1) {
seekBarPoint = 1;
} else if (seekBarPoint < 0) {
seekBarPoint = 0;
}
if (mouseTimeDisplay) {
mouseTimeDisplay.update(seekBarRect, seekBarPoint);
}
};
/**
* A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
*
* @method ProgressControl#throttledHandleMouseSeek
* @param {EventTarget~Event} event
* The `mousemove` event that caused this function to run.
*
* @listen mousemove
* @listen touchmove
*/
/**
* Handle `mousemove` or `touchmove` events on the `ProgressControl`.
*
* @param {EventTarget~Event} event
* `mousedown` or `touchstart` event that triggered this function
*
* @listens mousemove
* @listens touchmove
*/
ProgressControl.prototype.handleMouseSeek = function handleMouseSeek(event) {
var seekBar = this.getChild('seekBar');
seekBar.handleMouseMove(event);
};
/**
* Are controls are currently enabled for this progress control.
*
* @return {boolean}
* true if controls are enabled, false otherwise
*/
ProgressControl.prototype.enabled = function enabled() {
return this.enabled_;
};
/**
* Disable all controls on the progress control and its children
*/
ProgressControl.prototype.disable = function disable() {
this.children().forEach(function (child) {
return child.disable && child.disable();
});
if (!this.enabled()) {
return;
}
this.off(['mousedown', 'touchstart'], this.handleMouseDown);
this.off(this.el_, 'mousemove', this.handleMouseMove);
this.handleMouseUp();
this.addClass('disabled');
this.enabled_ = false;
};
/**
* Enable all controls on the progress control and its children
*/
ProgressControl.prototype.enable = function enable() {
this.children().forEach(function (child) {
return child.enable && child.enable();
});
if (this.enabled()) {
return;
}
this.on(['mousedown', 'touchstart'], this.handleMouseDown);
this.on(this.el_, 'mousemove', this.handleMouseMove);
this.removeClass('disabled');
this.enabled_ = true;
};
/**
* Handle `mousedown` or `touchstart` events on the `ProgressControl`.
*
* @param {EventTarget~Event} event
* `mousedown` or `touchstart` event that triggered this function
*
* @listens mousedown
* @listens touchstart
*/
ProgressControl.prototype.handleMouseDown = function handleMouseDown(event) {
var doc = this.el_.ownerDocument;
this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
this.on(doc, 'mouseup', this.handleMouseUp);
this.on(doc, 'touchend', this.handleMouseUp);
};
/**
* Handle `mouseup` or `touchend` events on the `ProgressControl`.
*
* @param {EventTarget~Event} event
* `mouseup` or `touchend` event that triggered this function.
*
* @listens touchend
* @listens mouseup
*/
ProgressControl.prototype.handleMouseUp = function handleMouseUp(event) {
var doc = this.el_.ownerDocument;
this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
this.off(doc, 'mouseup', this.handleMouseUp);
this.off(doc, 'touchend', this.handleMouseUp);
};
return ProgressControl;
}(Component);
/**
* Default options for `ProgressControl`
*
* @type {Object}
* @private
*/
ProgressControl.prototype.options_ = {
children: ['seekBar']
};
Component.registerComponent('ProgressControl', ProgressControl);
/**
* @file fullscreen-toggle.js
*/
/**
* Toggle fullscreen video
*
* @extends Button
*/
var FullscreenToggle = function (_Button) {
inherits(FullscreenToggle, _Button);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function FullscreenToggle(player, options) {
classCallCheck(this, FullscreenToggle);
var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
_this.on(player, 'fullscreenchange', _this.handleFullscreenChange);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
FullscreenToggle.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-fullscreen-control ' + _Button.prototype.buildCSSClass.call(this);
};
/**
* Handles fullscreenchange on the player and change control text accordingly.
*
* @param {EventTarget~Event} [event]
* The {@link Player#fullscreenchange} event that caused this function to be
* called.
*
* @listens Player#fullscreenchange
*/
FullscreenToggle.prototype.handleFullscreenChange = function handleFullscreenChange(event) {
if (this.player_.isFullscreen()) {
this.controlText('Non-Fullscreen');
} else {
this.controlText('Fullscreen');
}
};
/**
* This gets called when an `FullscreenToggle` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
FullscreenToggle.prototype.handleClick = function handleClick(event) {
if (!this.player_.isFullscreen()) {
this.player_.requestFullscreen();
} else {
this.player_.exitFullscreen();
}
};
return FullscreenToggle;
}(Button);
/**
* The text that should display over the `FullscreenToggle`s controls. Added for localization.
*
* @type {string}
* @private
*/
FullscreenToggle.prototype.controlText_ = 'Fullscreen';
Component.registerComponent('FullscreenToggle', FullscreenToggle);
/**
* Check if volume control is supported and if it isn't hide the
* `Component` that was passed using the `vjs-hidden` class.
*
* @param {Component} self
* The component that should be hidden if volume is unsupported
*
* @param {Player} player
* A reference to the player
*
* @private
*/
var checkVolumeSupport = function checkVolumeSupport(self, player) {
// hide volume controls when they're not supported by the current tech
if (player.tech_ && !player.tech_.featuresVolumeControl) {
self.addClass('vjs-hidden');
}
self.on(player, 'loadstart', function () {
if (!player.tech_.featuresVolumeControl) {
self.addClass('vjs-hidden');
} else {
self.removeClass('vjs-hidden');
}
});
};
/**
* @file volume-level.js
*/
/**
* Shows volume level
*
* @extends Component
*/
var VolumeLevel = function (_Component) {
inherits(VolumeLevel, _Component);
function VolumeLevel() {
classCallCheck(this, VolumeLevel);
return possibleConstructorReturn(this, _Component.apply(this, arguments));
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
VolumeLevel.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-volume-level',
innerHTML: '<span class="vjs-control-text"></span>'
});
};
return VolumeLevel;
}(Component);
Component.registerComponent('VolumeLevel', VolumeLevel);
/**
* @file volume-bar.js
*/
// Required children
/**
* The bar that contains the volume level and can be clicked on to adjust the level
*
* @extends Slider
*/
var VolumeBar = function (_Slider) {
inherits(VolumeBar, _Slider);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function VolumeBar(player, options) {
classCallCheck(this, VolumeBar);
var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
_this.on('slideractive', _this.updateLastVolume_);
_this.on(player, 'volumechange', _this.updateARIAAttributes);
player.ready(function () {
return _this.updateARIAAttributes();
});
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
VolumeBar.prototype.createEl = function createEl$$1() {
return _Slider.prototype.createEl.call(this, 'div', {
className: 'vjs-volume-bar vjs-slider-bar'
}, {
'aria-label': this.localize('Volume Level'),
'aria-live': 'polite'
});
};
/**
* Handle mouse down on volume bar
*
* @param {EventTarget~Event} event
* The `mousedown` event that caused this to run.
*
* @listens mousedown
*/
VolumeBar.prototype.handleMouseDown = function handleMouseDown(event) {
if (!isSingleLeftClick(event)) {
return;
}
_Slider.prototype.handleMouseDown.call(this, event);
};
/**
* Handle movement events on the {@link VolumeMenuButton}.
*
* @param {EventTarget~Event} event
* The event that caused this function to run.
*
* @listens mousemove
*/
VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) {
if (!isSingleLeftClick(event)) {
return;
}
this.checkMuted();
this.player_.volume(this.calculateDistance(event));
};
/**
* If the player is muted unmute it.
*/
VolumeBar.prototype.checkMuted = function checkMuted() {
if (this.player_.muted()) {
this.player_.muted(false);
}
};
/**
* Get percent of volume level
*
* @return {number}
* Volume level percent as a decimal number.
*/
VolumeBar.prototype.getPercent = function getPercent() {
if (this.player_.muted()) {
return 0;
}
return this.player_.volume();
};
/**
* Increase volume level for keyboard users
*/
VolumeBar.prototype.stepForward = function stepForward() {
this.checkMuted();
this.player_.volume(this.player_.volume() + 0.1);
};
/**
* Decrease volume level for keyboard users
*/
VolumeBar.prototype.stepBack = function stepBack() {
this.checkMuted();
this.player_.volume(this.player_.volume() - 0.1);
};
/**
* Update ARIA accessibility attributes
*
* @param {EventTarget~Event} [event]
* The `volumechange` event that caused this function to run.
*
* @listens Player#volumechange
*/
VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) {
var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();
this.el_.setAttribute('aria-valuenow', ariaValue);
this.el_.setAttribute('aria-valuetext', ariaValue + '%');
};
/**
* Returns the current value of the player volume as a percentage
*
* @private
*/
VolumeBar.prototype.volumeAsPercentage_ = function volumeAsPercentage_() {
return Math.round(this.player_.volume() * 100);
};
/**
* When user starts dragging the VolumeBar, store the volume and listen for
* the end of the drag. When the drag ends, if the volume was set to zero,
* set lastVolume to the stored volume.
*
* @listens slideractive
* @private
*/
VolumeBar.prototype.updateLastVolume_ = function updateLastVolume_() {
var _this2 = this;
var volumeBeforeDrag = this.player_.volume();
this.one('sliderinactive', function () {
if (_this2.player_.volume() === 0) {
_this2.player_.lastVolume_(volumeBeforeDrag);
}
});
};
return VolumeBar;
}(Slider);
/**
* Default options for the `VolumeBar`
*
* @type {Object}
* @private
*/
VolumeBar.prototype.options_ = {
children: ['volumeLevel'],
barName: 'volumeLevel'
};
/**
* Call the update event for this Slider when this event happens on the player.
*
* @type {string}
*/
VolumeBar.prototype.playerEvent = 'volumechange';
Component.registerComponent('VolumeBar', VolumeBar);
/**
* @file volume-control.js
*/
// Required children
/**
* The component for controlling the volume level
*
* @extends Component
*/
var VolumeControl = function (_Component) {
inherits(VolumeControl, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options={}]
* The key/value store of player options.
*/
function VolumeControl(player) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, VolumeControl);
options.vertical = options.vertical || false;
// Pass the vertical option down to the VolumeBar if
// the VolumeBar is turned on.
if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
options.volumeBar = options.volumeBar || {};
options.volumeBar.vertical = options.vertical;
}
// hide this control if volume support is missing
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
checkVolumeSupport(_this, player);
_this.throttledHandleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
_this.on('mousedown', _this.handleMouseDown);
_this.on('touchstart', _this.handleMouseDown);
// while the slider is active (the mouse has been pressed down and
// is dragging) or in focus we do not want to hide the VolumeBar
_this.on(_this.volumeBar, ['focus', 'slideractive'], function () {
_this.volumeBar.addClass('vjs-slider-active');
_this.addClass('vjs-slider-active');
_this.trigger('slideractive');
});
_this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {
_this.volumeBar.removeClass('vjs-slider-active');
_this.removeClass('vjs-slider-active');
_this.trigger('sliderinactive');
});
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
VolumeControl.prototype.createEl = function createEl() {
var orientationClass = 'vjs-volume-horizontal';
if (this.options_.vertical) {
orientationClass = 'vjs-volume-vertical';
}
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-volume-control vjs-control ' + orientationClass
});
};
/**
* Handle `mousedown` or `touchstart` events on the `VolumeControl`.
*
* @param {EventTarget~Event} event
* `mousedown` or `touchstart` event that triggered this function
*
* @listens mousedown
* @listens touchstart
*/
VolumeControl.prototype.handleMouseDown = function handleMouseDown(event) {
var doc = this.el_.ownerDocument;
this.on(doc, 'mousemove', this.throttledHandleMouseMove);
this.on(doc, 'touchmove', this.throttledHandleMouseMove);
this.on(doc, 'mouseup', this.handleMouseUp);
this.on(doc, 'touchend', this.handleMouseUp);
};
/**
* Handle `mouseup` or `touchend` events on the `VolumeControl`.
*
* @param {EventTarget~Event} event
* `mouseup` or `touchend` event that triggered this function.
*
* @listens touchend
* @listens mouseup
*/
VolumeControl.prototype.handleMouseUp = function handleMouseUp(event) {
var doc = this.el_.ownerDocument;
this.off(doc, 'mousemove', this.throttledHandleMouseMove);
this.off(doc, 'touchmove', this.throttledHandleMouseMove);
this.off(doc, 'mouseup', this.handleMouseUp);
this.off(doc, 'touchend', this.handleMouseUp);
};
/**
* Handle `mousedown` or `touchstart` events on the `VolumeControl`.
*
* @param {EventTarget~Event} event
* `mousedown` or `touchstart` event that triggered this function
*
* @listens mousedown
* @listens touchstart
*/
VolumeControl.prototype.handleMouseMove = function handleMouseMove(event) {
this.volumeBar.handleMouseMove(event);
};
return VolumeControl;
}(Component);
/**
* Default options for the `VolumeControl`
*
* @type {Object}
* @private
*/
VolumeControl.prototype.options_ = {
children: ['volumeBar']
};
Component.registerComponent('VolumeControl', VolumeControl);
/**
* @file mute-toggle.js
*/
/**
* A button component for muting the audio.
*
* @extends Button
*/
var MuteToggle = function (_Button) {
inherits(MuteToggle, _Button);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function MuteToggle(player, options) {
classCallCheck(this, MuteToggle);
// hide this control if volume support is missing
var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
checkVolumeSupport(_this, player);
_this.on(player, ['loadstart', 'volumechange'], _this.update);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
MuteToggle.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-mute-control ' + _Button.prototype.buildCSSClass.call(this);
};
/**
* This gets called when an `MuteToggle` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
MuteToggle.prototype.handleClick = function handleClick(event) {
var vol = this.player_.volume();
var lastVolume = this.player_.lastVolume_();
if (vol === 0) {
var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;
this.player_.volume(volumeToSet);
this.player_.muted(false);
} else {
this.player_.muted(this.player_.muted() ? false : true);
}
};
/**
* Update the `MuteToggle` button based on the state of `volume` and `muted`
* on the player.
*
* @param {EventTarget~Event} [event]
* The {@link Player#loadstart} event if this function was called
* through an event.
*
* @listens Player#loadstart
* @listens Player#volumechange
*/
MuteToggle.prototype.update = function update(event) {
this.updateIcon_();
this.updateControlText_();
};
/**
* Update the appearance of the `MuteToggle` icon.
*
* Possible states (given `level` variable below):
* - 0: crossed out
* - 1: zero bars of volume
* - 2: one bar of volume
* - 3: two bars of volume
*
* @private
*/
MuteToggle.prototype.updateIcon_ = function updateIcon_() {
var vol = this.player_.volume();
var level = 3;
if (vol === 0 || this.player_.muted()) {
level = 0;
} else if (vol < 0.33) {
level = 1;
} else if (vol < 0.67) {
level = 2;
}
// TODO improve muted icon classes
for (var i = 0; i < 4; i++) {
removeClass(this.el_, 'vjs-vol-' + i);
}
addClass(this.el_, 'vjs-vol-' + level);
};
/**
* If `muted` has changed on the player, update the control text
* (`title` attribute on `vjs-mute-control` element and content of
* `vjs-control-text` element).
*
* @private
*/
MuteToggle.prototype.updateControlText_ = function updateControlText_() {
var soundOff = this.player_.muted() || this.player_.volume() === 0;
var text = soundOff ? 'Unmute' : 'Mute';
if (this.controlText() !== text) {
this.controlText(text);
}
};
return MuteToggle;
}(Button);
/**
* The text that should display over the `MuteToggle`s controls. Added for localization.
*
* @type {string}
* @private
*/
MuteToggle.prototype.controlText_ = 'Mute';
Component.registerComponent('MuteToggle', MuteToggle);
/**
* @file volume-control.js
*/
// Required children
/**
* A Component to contain the MuteToggle and VolumeControl so that
* they can work together.
*
* @extends Component
*/
var VolumePanel = function (_Component) {
inherits(VolumePanel, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options={}]
* The key/value store of player options.
*/
function VolumePanel(player) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, VolumePanel);
if (typeof options.inline !== 'undefined') {
options.inline = options.inline;
} else {
options.inline = true;
}
// pass the inline option down to the VolumeControl as vertical if
// the VolumeControl is on.
if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
options.volumeControl = options.volumeControl || {};
options.volumeControl.vertical = !options.inline;
}
// hide this control if volume support is missing
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
checkVolumeSupport(_this, player);
// while the slider is active (the mouse has been pressed down and
// is dragging) or in focus we do not want to hide the VolumeBar
_this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);
_this.on(_this.muteToggle, 'focus', _this.sliderActive_);
_this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);
_this.on(_this.muteToggle, 'blur', _this.sliderInactive_);
return _this;
}
/**
* Add vjs-slider-active class to the VolumePanel
*
* @listens VolumeControl#slideractive
* @private
*/
VolumePanel.prototype.sliderActive_ = function sliderActive_() {
this.addClass('vjs-slider-active');
};
/**
* Removes vjs-slider-active class to the VolumePanel
*
* @listens VolumeControl#sliderinactive
* @private
*/
VolumePanel.prototype.sliderInactive_ = function sliderInactive_() {
this.removeClass('vjs-slider-active');
};
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
VolumePanel.prototype.createEl = function createEl() {
var orientationClass = 'vjs-volume-panel-horizontal';
if (!this.options_.inline) {
orientationClass = 'vjs-volume-panel-vertical';
}
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-volume-panel vjs-control ' + orientationClass
});
};
return VolumePanel;
}(Component);
/**
* Default options for the `VolumeControl`
*
* @type {Object}
* @private
*/
VolumePanel.prototype.options_ = {
children: ['muteToggle', 'volumeControl']
};
Component.registerComponent('VolumePanel', VolumePanel);
/**
* @file menu.js
*/
/**
* The Menu component is used to build popup menus, including subtitle and
* captions selection menus.
*
* @extends Component
*/
var Menu = function (_Component) {
inherits(Menu, _Component);
/**
* Create an instance of this class.
*
* @param {Player} player
* the player that this component should attach to
*
* @param {Object} [options]
* Object of option names and values
*
*/
function Menu(player, options) {
classCallCheck(this, Menu);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
if (options) {
_this.menuButton_ = options.menuButton;
}
_this.focusedChild_ = -1;
_this.on('keydown', _this.handleKeyPress);
return _this;
}
/**
* Add a {@link MenuItem} to the menu.
*
* @param {Object|string} component
* The name or instance of the `MenuItem` to add.
*
*/
Menu.prototype.addItem = function addItem(component) {
this.addChild(component);
component.on('click', bind(this, function (event) {
// Unpress the associated MenuButton, and move focus back to it
if (this.menuButton_) {
this.menuButton_.unpressButton();
// don't focus menu button if item is a caption settings item
// because focus will move elsewhere and it logs an error on IE8
if (component.name() !== 'CaptionSettingsMenuItem') {
this.menuButton_.focus();
}
}
}));
};
/**
* Create the `Menu`s DOM element.
*
* @return {Element}
* the element that was created
*/
Menu.prototype.createEl = function createEl$$1() {
var contentElType = this.options_.contentElType || 'ul';
this.contentEl_ = createEl(contentElType, {
className: 'vjs-menu-content'
});
this.contentEl_.setAttribute('role', 'menu');
var el = _Component.prototype.createEl.call(this, 'div', {
append: this.contentEl_,
className: 'vjs-menu'
});
el.appendChild(this.contentEl_);
// Prevent clicks from bubbling up. Needed for Menu Buttons,
// where a click on the parent is significant
on(el, 'click', function (event) {
event.preventDefault();
event.stopImmediatePropagation();
});
return el;
};
Menu.prototype.dispose = function dispose() {
this.contentEl_ = null;
_Component.prototype.dispose.call(this);
};
/**
* Handle a `keydown` event on this menu. This listener is added in the constructor.
*
* @param {EventTarget~Event} event
* A `keydown` event that happened on the menu.
*
* @listens keydown
*/
Menu.prototype.handleKeyPress = function handleKeyPress(event) {
// Left and Down Arrows
if (event.which === 37 || event.which === 40) {
event.preventDefault();
this.stepForward();
// Up and Right Arrows
} else if (event.which === 38 || event.which === 39) {
event.preventDefault();
this.stepBack();
}
};
/**
* Move to next (lower) menu item for keyboard users.
*/
Menu.prototype.stepForward = function stepForward() {
var stepChild = 0;
if (this.focusedChild_ !== undefined) {
stepChild = this.focusedChild_ + 1;
}
this.focus(stepChild);
};
/**
* Move to previous (higher) menu item for keyboard users.
*/
Menu.prototype.stepBack = function stepBack() {
var stepChild = 0;
if (this.focusedChild_ !== undefined) {
stepChild = this.focusedChild_ - 1;
}
this.focus(stepChild);
};
/**
* Set focus on a {@link MenuItem} in the `Menu`.
*
* @param {Object|string} [item=0]
* Index of child item set focus on.
*/
Menu.prototype.focus = function focus() {
var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
var children = this.children().slice();
var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);
if (haveTitle) {
children.shift();
}
if (children.length > 0) {
if (item < 0) {
item = 0;
} else if (item >= children.length) {
item = children.length - 1;
}
this.focusedChild_ = item;
children[item].el_.focus();
}
};
return Menu;
}(Component);
Component.registerComponent('Menu', Menu);
/**
* @file menu-button.js
*/
/**
* A `MenuButton` class for any popup {@link Menu}.
*
* @extends Component
*/
var MenuButton = function (_Component) {
inherits(MenuButton, _Component);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options={}]
* The key/value store of player options.
*/
function MenuButton(player) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, MenuButton);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.menuButton_ = new Button(player, options);
_this.menuButton_.controlText(_this.controlText_);
_this.menuButton_.el_.setAttribute('aria-haspopup', 'true');
// Add buildCSSClass values to the button, not the wrapper
var buttonClass = Button.prototype.buildCSSClass();
_this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;
_this.menuButton_.removeClass('vjs-control');
_this.addChild(_this.menuButton_);
_this.update();
_this.enabled_ = true;
_this.on(_this.menuButton_, 'tap', _this.handleClick);
_this.on(_this.menuButton_, 'click', _this.handleClick);
_this.on(_this.menuButton_, 'focus', _this.handleFocus);
_this.on(_this.menuButton_, 'blur', _this.handleBlur);
_this.on('keydown', _this.handleSubmenuKeyPress);
return _this;
}
/**
* Update the menu based on the current state of its items.
*/
MenuButton.prototype.update = function update() {
var menu = this.createMenu();
if (this.menu) {
this.menu.dispose();
this.removeChild(this.menu);
}
this.menu = menu;
this.addChild(menu);
/**
* Track the state of the menu button
*
* @type {Boolean}
* @private
*/
this.buttonPressed_ = false;
this.menuButton_.el_.setAttribute('aria-expanded', 'false');
if (this.items && this.items.length <= this.hideThreshold_) {
this.hide();
} else {
this.show();
}
};
/**
* Create the menu and add all items to it.
*
* @return {Menu}
* The constructed menu
*/
MenuButton.prototype.createMenu = function createMenu() {
var menu = new Menu(this.player_, { menuButton: this });
/**
* Hide the menu if the number of items is less than or equal to this threshold. This defaults
* to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
* it here because every time we run `createMenu` we need to reset the value.
*
* @protected
* @type {Number}
*/
this.hideThreshold_ = 0;
// Add a title list item to the top
if (this.options_.title) {
var title = createEl('li', {
className: 'vjs-menu-title',
innerHTML: toTitleCase(this.options_.title),
tabIndex: -1
});
this.hideThreshold_ += 1;
menu.children_.unshift(title);
prependTo(title, menu.contentEl());
}
this.items = this.createItems();
if (this.items) {
// Add menu items to the menu
for (var i = 0; i < this.items.length; i++) {
menu.addItem(this.items[i]);
}
}
return menu;
};
/**
* Create the list of menu items. Specific to each subclass.
*
* @abstract
*/
MenuButton.prototype.createItems = function createItems() {};
/**
* Create the `MenuButtons`s DOM element.
*
* @return {Element}
* The element that gets created.
*/
MenuButton.prototype.createEl = function createEl$$1() {
return _Component.prototype.createEl.call(this, 'div', {
className: this.buildWrapperCSSClass()
}, {});
};
/**
* Allow sub components to stack CSS class names for the wrapper element
*
* @return {string}
* The constructed wrapper DOM `className`
*/
MenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
var menuButtonClass = 'vjs-menu-button';
// If the inline option is passed, we want to use different styles altogether.
if (this.options_.inline === true) {
menuButtonClass += '-inline';
} else {
menuButtonClass += '-popup';
}
// TODO: Fix the CSS so that this isn't necessary
var buttonClass = Button.prototype.buildCSSClass();
return 'vjs-menu-button ' + menuButtonClass + ' ' + buttonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
};
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
MenuButton.prototype.buildCSSClass = function buildCSSClass() {
var menuButtonClass = 'vjs-menu-button';
// If the inline option is passed, we want to use different styles altogether.
if (this.options_.inline === true) {
menuButtonClass += '-inline';
} else {
menuButtonClass += '-popup';
}
return 'vjs-menu-button ' + menuButtonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
};
/**
* Get or set the localized control text that will be used for accessibility.
*
* > NOTE: This will come from the internal `menuButton_` element.
*
* @param {string} [text]
* Control text for element.
*
* @param {Element} [el=this.menuButton_.el()]
* Element to set the title on.
*
* @return {string}
* - The control text when getting
*/
MenuButton.prototype.controlText = function controlText(text) {
var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.menuButton_.el();
return this.menuButton_.controlText(text, el);
};
/**
* Handle a click on a `MenuButton`.
* See {@link ClickableComponent#handleClick} for instances where this is called.
*
* @param {EventTarget~Event} event
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
MenuButton.prototype.handleClick = function handleClick(event) {
// When you click the button it adds focus, which will show the menu.
// So we'll remove focus when the mouse leaves the button. Focus is needed
// for tab navigation.
this.one(this.menu.contentEl(), 'mouseleave', bind(this, function (e) {
this.unpressButton();
this.el_.blur();
}));
if (this.buttonPressed_) {
this.unpressButton();
} else {
this.pressButton();
}
};
/**
* Set the focus to the actual button, not to this element
*/
MenuButton.prototype.focus = function focus() {
this.menuButton_.focus();
};
/**
* Remove the focus from the actual button, not this element
*/
MenuButton.prototype.blur = function blur() {
this.menuButton_.blur();
};
/**
* This gets called when a `MenuButton` gains focus via a `focus` event.
* Turns on listening for `keydown` events. When they happen it
* calls `this.handleKeyPress`.
*
* @param {EventTarget~Event} event
* The `focus` event that caused this function to be called.
*
* @listens focus
*/
MenuButton.prototype.handleFocus = function handleFocus() {
on(document_1, 'keydown', bind(this, this.handleKeyPress));
};
/**
* Called when a `MenuButton` loses focus. Turns off the listener for
* `keydown` events. Which Stops `this.handleKeyPress` from getting called.
*
* @param {EventTarget~Event} event
* The `blur` event that caused this function to be called.
*
* @listens blur
*/
MenuButton.prototype.handleBlur = function handleBlur() {
off(document_1, 'keydown', bind(this, this.handleKeyPress));
};
/**
* Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
* {@link ClickableComponent#handleKeyPress} for instances where this is called.
*
* @param {EventTarget~Event} event
* The `keydown` event that caused this function to be called.
*
* @listens keydown
*/
MenuButton.prototype.handleKeyPress = function handleKeyPress(event) {
// Escape (27) key or Tab (9) key unpress the 'button'
if (event.which === 27 || event.which === 9) {
if (this.buttonPressed_) {
this.unpressButton();
}
// Don't preventDefault for Tab key - we still want to lose focus
if (event.which !== 9) {
event.preventDefault();
// Set focus back to the menu button's button
this.menuButton_.el_.focus();
}
// Up (38) key or Down (40) key press the 'button'
} else if (event.which === 38 || event.which === 40) {
if (!this.buttonPressed_) {
this.pressButton();
event.preventDefault();
}
}
};
/**
* Handle a `keydown` event on a sub-menu. The listener for this is added in
* the constructor.
*
* @param {EventTarget~Event} event
* Key press event
*
* @listens keydown
*/
MenuButton.prototype.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {
// Escape (27) key or Tab (9) key unpress the 'button'
if (event.which === 27 || event.which === 9) {
if (this.buttonPressed_) {
this.unpressButton();
}
// Don't preventDefault for Tab key - we still want to lose focus
if (event.which !== 9) {
event.preventDefault();
// Set focus back to the menu button's button
this.menuButton_.el_.focus();
}
}
};
/**
* Put the current `MenuButton` into a pressed state.
*/
MenuButton.prototype.pressButton = function pressButton() {
if (this.enabled_) {
this.buttonPressed_ = true;
this.menu.lockShowing();
this.menuButton_.el_.setAttribute('aria-expanded', 'true');
// set the focus into the submenu, except on iOS where it is resulting in
// undesired scrolling behavior when the player is in an iframe
if (IS_IOS && isInFrame()) {
// Return early so that the menu isn't focused
return;
}
this.menu.focus();
}
};
/**
* Take the current `MenuButton` out of a pressed state.
*/
MenuButton.prototype.unpressButton = function unpressButton() {
if (this.enabled_) {
this.buttonPressed_ = false;
this.menu.unlockShowing();
this.menuButton_.el_.setAttribute('aria-expanded', 'false');
}
};
/**
* Disable the `MenuButton`. Don't allow it to be clicked.
*/
MenuButton.prototype.disable = function disable() {
this.unpressButton();
this.enabled_ = false;
this.addClass('vjs-disabled');
this.menuButton_.disable();
};
/**
* Enable the `MenuButton`. Allow it to be clicked.
*/
MenuButton.prototype.enable = function enable() {
this.enabled_ = true;
this.removeClass('vjs-disabled');
this.menuButton_.enable();
};
return MenuButton;
}(Component);
Component.registerComponent('MenuButton', MenuButton);
/**
* @file track-button.js
*/
/**
* The base class for buttons that toggle specific track types (e.g. subtitles).
*
* @extends MenuButton
*/
var TrackButton = function (_MenuButton) {
inherits(TrackButton, _MenuButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function TrackButton(player, options) {
classCallCheck(this, TrackButton);
var tracks = options.tracks;
var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
if (_this.items.length <= 1) {
_this.hide();
}
if (!tracks) {
return possibleConstructorReturn(_this);
}
var updateHandler = bind(_this, _this.update);
tracks.addEventListener('removetrack', updateHandler);
tracks.addEventListener('addtrack', updateHandler);
_this.player_.on('ready', updateHandler);
_this.player_.on('dispose', function () {
tracks.removeEventListener('removetrack', updateHandler);
tracks.removeEventListener('addtrack', updateHandler);
});
return _this;
}
return TrackButton;
}(MenuButton);
Component.registerComponent('TrackButton', TrackButton);
/**
* @file menu-item.js
*/
/**
* The component for a menu item. `<li>`
*
* @extends ClickableComponent
*/
var MenuItem = function (_ClickableComponent) {
inherits(MenuItem, _ClickableComponent);
/**
* Creates an instance of the this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options={}]
* The key/value store of player options.
*
*/
function MenuItem(player, options) {
classCallCheck(this, MenuItem);
var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
_this.selectable = options.selectable;
_this.selected(options.selected);
if (_this.selectable) {
// TODO: May need to be either menuitemcheckbox or menuitemradio,
// and may need logical grouping of menu items.
_this.el_.setAttribute('role', 'menuitemcheckbox');
} else {
_this.el_.setAttribute('role', 'menuitem');
}
return _this;
}
/**
* Create the `MenuItem's DOM element
*
* @param {string} [type=li]
* Element's node type, not actually used, always set to `li`.
*
* @param {Object} [props={}]
* An object of properties that should be set on the element
*
* @param {Object} [attrs={}]
* An object of attributes that should be set on the element
*
* @return {Element}
* The element that gets created.
*/
MenuItem.prototype.createEl = function createEl(type, props, attrs) {
// The control is textual, not just an icon
this.nonIconControl = true;
return _ClickableComponent.prototype.createEl.call(this, 'li', assign({
className: 'vjs-menu-item',
innerHTML: '<span class="vjs-menu-item-text">' + this.localize(this.options_.label) + '</span>',
tabIndex: -1
}, props), attrs);
};
/**
* Any click on a `MenuItem` puts int into the selected state.
* See {@link ClickableComponent#handleClick} for instances where this is called.
*
* @param {EventTarget~Event} event
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
MenuItem.prototype.handleClick = function handleClick(event) {
this.selected(true);
};
/**
* Set the state for this menu item as selected or not.
*
* @param {boolean} selected
* if the menu item is selected or not
*/
MenuItem.prototype.selected = function selected(_selected) {
if (this.selectable) {
if (_selected) {
this.addClass('vjs-selected');
this.el_.setAttribute('aria-checked', 'true');
// aria-checked isn't fully supported by browsers/screen readers,
// so indicate selected state to screen reader in the control text.
this.controlText(', selected');
} else {
this.removeClass('vjs-selected');
this.el_.setAttribute('aria-checked', 'false');
// Indicate un-selected state to screen reader
this.controlText('');
}
}
};
return MenuItem;
}(ClickableComponent);
Component.registerComponent('MenuItem', MenuItem);
/**
* @file text-track-menu-item.js
*/
/**
* The specific menu item type for selecting a language within a text track kind
*
* @extends MenuItem
*/
var TextTrackMenuItem = function (_MenuItem) {
inherits(TextTrackMenuItem, _MenuItem);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function TextTrackMenuItem(player, options) {
classCallCheck(this, TextTrackMenuItem);
var track = options.track;
var tracks = player.textTracks();
// Modify options for parent MenuItem class's init.
options.label = track.label || track.language || 'Unknown';
options.selected = track.mode === 'showing';
var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
_this.track = track;
var changeHandler = function changeHandler() {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this.handleTracksChange.apply(_this, args);
};
var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {
for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
_this.handleSelectedLanguageChange.apply(_this, args);
};
player.on(['loadstart', 'texttrackchange'], changeHandler);
tracks.addEventListener('change', changeHandler);
tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
_this.on('dispose', function () {
player.off(['loadstart', 'texttrackchange'], changeHandler);
tracks.removeEventListener('change', changeHandler);
tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
});
// iOS7 doesn't dispatch change events to TextTrackLists when an
// associated track's mode changes. Without something like
// Object.observe() (also not present on iOS7), it's not
// possible to detect changes to the mode attribute and polyfill
// the change event. As a poor substitute, we manually dispatch
// change events whenever the controls modify the mode.
if (tracks.onchange === undefined) {
var event = void 0;
_this.on(['tap', 'click'], function () {
if (_typeof(window_1.Event) !== 'object') {
// Android 2.3 throws an Illegal Constructor error for window.Event
try {
event = new window_1.Event('change');
} catch (err) {
// continue regardless of error
}
}
if (!event) {
event = document_1.createEvent('Event');
event.initEvent('change', true, true);
}
tracks.dispatchEvent(event);
});
}
// set the default state based on current tracks
_this.handleTracksChange();
return _this;
}
/**
* This gets called when an `TextTrackMenuItem` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} event
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
TextTrackMenuItem.prototype.handleClick = function handleClick(event) {
var kind = this.track.kind;
var kinds = this.track.kinds;
var tracks = this.player_.textTracks();
if (!kinds) {
kinds = [kind];
}
_MenuItem.prototype.handleClick.call(this, event);
if (!tracks) {
return;
}
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
if (track === this.track && kinds.indexOf(track.kind) > -1) {
if (track.mode !== 'showing') {
track.mode = 'showing';
}
} else if (track.mode !== 'disabled') {
track.mode = 'disabled';
}
}
};
/**
* Handle text track list change
*
* @param {EventTarget~Event} event
* The `change` event that caused this function to be called.
*
* @listens TextTrackList#change
*/
TextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
this.selected(this.track.mode === 'showing');
};
TextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
if (this.track.mode === 'showing') {
var selectedLanguage = this.player_.cache_.selectedLanguage;
// Don't replace the kind of track across the same language
if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
return;
}
this.player_.cache_.selectedLanguage = {
enabled: true,
language: this.track.language,
kind: this.track.kind
};
}
};
TextTrackMenuItem.prototype.dispose = function dispose() {
// remove reference to track object on dispose
this.track = null;
_MenuItem.prototype.dispose.call(this);
};
return TextTrackMenuItem;
}(MenuItem);
Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);
/**
* @file off-text-track-menu-item.js
*/
/**
* A special menu item for turning of a specific type of text track
*
* @extends TextTrackMenuItem
*/
var OffTextTrackMenuItem = function (_TextTrackMenuItem) {
inherits(OffTextTrackMenuItem, _TextTrackMenuItem);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function OffTextTrackMenuItem(player, options) {
classCallCheck(this, OffTextTrackMenuItem);
// Create pseudo track info
// Requires options['kind']
options.track = {
player: player,
kind: options.kind,
kinds: options.kinds,
'default': false,
mode: 'disabled'
};
if (!options.kinds) {
options.kinds = [options.kind];
}
if (options.label) {
options.track.label = options.label;
} else {
options.track.label = options.kinds.join(' and ') + ' off';
}
// MenuItem is selectable
options.selectable = true;
return possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
}
/**
* Handle text track change
*
* @param {EventTarget~Event} event
* The event that caused this function to run
*/
OffTextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
var tracks = this.player().textTracks();
var selected = true;
for (var i = 0, l = tracks.length; i < l; i++) {
var track = tracks[i];
if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
selected = false;
break;
}
}
this.selected(selected);
};
OffTextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
var tracks = this.player().textTracks();
var allHidden = true;
for (var i = 0, l = tracks.length; i < l; i++) {
var track = tracks[i];
if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
allHidden = false;
break;
}
}
if (allHidden) {
this.player_.cache_.selectedLanguage = {
enabled: false
};
}
};
return OffTextTrackMenuItem;
}(TextTrackMenuItem);
Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);
/**
* @file text-track-button.js
*/
/**
* The base class for buttons that toggle specific text track types (e.g. subtitles)
*
* @extends MenuButton
*/
var TextTrackButton = function (_TrackButton) {
inherits(TextTrackButton, _TrackButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options={}]
* The key/value store of player options.
*/
function TextTrackButton(player) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, TextTrackButton);
options.tracks = player.textTracks();
return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
}
/**
* Create a menu item for each text track
*
* @param {TextTrackMenuItem[]} [items=[]]
* Existing array of items to use during creation
*
* @return {TextTrackMenuItem[]}
* Array of menu items that were created
*/
TextTrackButton.prototype.createItems = function createItems() {
var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
var TrackMenuItem = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : TextTrackMenuItem;
// Label is an overide for the [track] off label
// USed to localise captions/subtitles
var label = void 0;
if (this.label_) {
label = this.label_ + ' off';
}
// Add an OFF menu item to turn all tracks off
items.push(new OffTextTrackMenuItem(this.player_, {
kinds: this.kinds_,
kind: this.kind_,
label: label
}));
this.hideThreshold_ += 1;
var tracks = this.player_.textTracks();
if (!Array.isArray(this.kinds_)) {
this.kinds_ = [this.kind_];
}
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
// only add tracks that are of an appropriate kind and have a label
if (this.kinds_.indexOf(track.kind) > -1) {
var item = new TrackMenuItem(this.player_, {
track: track,
// MenuItem is selectable
selectable: true
});
item.addClass('vjs-' + track.kind + '-menu-item');
items.push(item);
}
}
return items;
};
return TextTrackButton;
}(TrackButton);
Component.registerComponent('TextTrackButton', TextTrackButton);
/**
* @file chapters-track-menu-item.js
*/
/**
* The chapter track menu item
*
* @extends MenuItem
*/
var ChaptersTrackMenuItem = function (_MenuItem) {
inherits(ChaptersTrackMenuItem, _MenuItem);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function ChaptersTrackMenuItem(player, options) {
classCallCheck(this, ChaptersTrackMenuItem);
var track = options.track;
var cue = options.cue;
var currentTime = player.currentTime();
// Modify options for parent MenuItem class's init.
options.selectable = true;
options.label = cue.text;
options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;
var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
_this.track = track;
_this.cue = cue;
track.addEventListener('cuechange', bind(_this, _this.update));
return _this;
}
/**
* This gets called when an `ChaptersTrackMenuItem` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
ChaptersTrackMenuItem.prototype.handleClick = function handleClick(event) {
_MenuItem.prototype.handleClick.call(this);
this.player_.currentTime(this.cue.startTime);
this.update(this.cue.startTime);
};
/**
* Update chapter menu item
*
* @param {EventTarget~Event} [event]
* The `cuechange` event that caused this function to run.
*
* @listens TextTrack#cuechange
*/
ChaptersTrackMenuItem.prototype.update = function update(event) {
var cue = this.cue;
var currentTime = this.player_.currentTime();
// vjs.log(currentTime, cue.startTime);
this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);
};
return ChaptersTrackMenuItem;
}(MenuItem);
Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);
/**
* @file chapters-button.js
*/
/**
* The button component for toggling and selecting chapters
* Chapters act much differently than other text tracks
* Cues are navigation vs. other tracks of alternative languages
*
* @extends TextTrackButton
*/
var ChaptersButton = function (_TextTrackButton) {
inherits(ChaptersButton, _TextTrackButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Component~ReadyCallback} [ready]
* The function to call when this function is ready.
*/
function ChaptersButton(player, options, ready) {
classCallCheck(this, ChaptersButton);
return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
ChaptersButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
};
ChaptersButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
};
/**
* Update the menu based on the current state of its items.
*
* @param {EventTarget~Event} [event]
* An event that triggered this function to run.
*
* @listens TextTrackList#addtrack
* @listens TextTrackList#removetrack
* @listens TextTrackList#change
*/
ChaptersButton.prototype.update = function update(event) {
if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {
this.setTrack(this.findChaptersTrack());
}
_TextTrackButton.prototype.update.call(this);
};
/**
* Set the currently selected track for the chapters button.
*
* @param {TextTrack} track
* The new track to select. Nothing will change if this is the currently selected
* track.
*/
ChaptersButton.prototype.setTrack = function setTrack(track) {
if (this.track_ === track) {
return;
}
if (!this.updateHandler_) {
this.updateHandler_ = this.update.bind(this);
}
// here this.track_ refers to the old track instance
if (this.track_) {
var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
if (remoteTextTrackEl) {
remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
}
this.track_ = null;
}
this.track_ = track;
// here this.track_ refers to the new track instance
if (this.track_) {
this.track_.mode = 'hidden';
var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
if (_remoteTextTrackEl) {
_remoteTextTrackEl.addEventListener('load', this.updateHandler_);
}
}
};
/**
* Find the track object that is currently in use by this ChaptersButton
*
* @return {TextTrack|undefined}
* The current track or undefined if none was found.
*/
ChaptersButton.prototype.findChaptersTrack = function findChaptersTrack() {
var tracks = this.player_.textTracks() || [];
for (var i = tracks.length - 1; i >= 0; i--) {
// We will always choose the last track as our chaptersTrack
var track = tracks[i];
if (track.kind === this.kind_) {
return track;
}
}
};
/**
* Get the caption for the ChaptersButton based on the track label. This will also
* use the current tracks localized kind as a fallback if a label does not exist.
*
* @return {string}
* The tracks current label or the localized track kind.
*/
ChaptersButton.prototype.getMenuCaption = function getMenuCaption() {
if (this.track_ && this.track_.label) {
return this.track_.label;
}
return this.localize(toTitleCase(this.kind_));
};
/**
* Create menu from chapter track
*
* @return {Menu}
* New menu for the chapter buttons
*/
ChaptersButton.prototype.createMenu = function createMenu() {
this.options_.title = this.getMenuCaption();
return _TextTrackButton.prototype.createMenu.call(this);
};
/**
* Create a menu item for each text track
*
* @return {TextTrackMenuItem[]}
* Array of menu items
*/
ChaptersButton.prototype.createItems = function createItems() {
var items = [];
if (!this.track_) {
return items;
}
var cues = this.track_.cues;
if (!cues) {
return items;
}
for (var i = 0, l = cues.length; i < l; i++) {
var cue = cues[i];
var mi = new ChaptersTrackMenuItem(this.player_, { track: this.track_, cue: cue });
items.push(mi);
}
return items;
};
return ChaptersButton;
}(TextTrackButton);
/**
* `kind` of TextTrack to look for to associate it with this menu.
*
* @type {string}
* @private
*/
ChaptersButton.prototype.kind_ = 'chapters';
/**
* The text that should display over the `ChaptersButton`s controls. Added for localization.
*
* @type {string}
* @private
*/
ChaptersButton.prototype.controlText_ = 'Chapters';
Component.registerComponent('ChaptersButton', ChaptersButton);
/**
* @file descriptions-button.js
*/
/**
* The button component for toggling and selecting descriptions
*
* @extends TextTrackButton
*/
var DescriptionsButton = function (_TextTrackButton) {
inherits(DescriptionsButton, _TextTrackButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Component~ReadyCallback} [ready]
* The function to call when this component is ready.
*/
function DescriptionsButton(player, options, ready) {
classCallCheck(this, DescriptionsButton);
var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
var tracks = player.textTracks();
var changeHandler = bind(_this, _this.handleTracksChange);
tracks.addEventListener('change', changeHandler);
_this.on('dispose', function () {
tracks.removeEventListener('change', changeHandler);
});
return _this;
}
/**
* Handle text track change
*
* @param {EventTarget~Event} event
* The event that caused this function to run
*
* @listens TextTrackList#change
*/
DescriptionsButton.prototype.handleTracksChange = function handleTracksChange(event) {
var tracks = this.player().textTracks();
var disabled = false;
// Check whether a track of a different kind is showing
for (var i = 0, l = tracks.length; i < l; i++) {
var track = tracks[i];
if (track.kind !== this.kind_ && track.mode === 'showing') {
disabled = true;
break;
}
}
// If another track is showing, disable this menu button
if (disabled) {
this.disable();
} else {
this.enable();
}
};
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
DescriptionsButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
};
DescriptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
};
return DescriptionsButton;
}(TextTrackButton);
/**
* `kind` of TextTrack to look for to associate it with this menu.
*
* @type {string}
* @private
*/
DescriptionsButton.prototype.kind_ = 'descriptions';
/**
* The text that should display over the `DescriptionsButton`s controls. Added for localization.
*
* @type {string}
* @private
*/
DescriptionsButton.prototype.controlText_ = 'Descriptions';
Component.registerComponent('DescriptionsButton', DescriptionsButton);
/**
* @file subtitles-button.js
*/
/**
* The button component for toggling and selecting subtitles
*
* @extends TextTrackButton
*/
var SubtitlesButton = function (_TextTrackButton) {
inherits(SubtitlesButton, _TextTrackButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Component~ReadyCallback} [ready]
* The function to call when this component is ready.
*/
function SubtitlesButton(player, options, ready) {
classCallCheck(this, SubtitlesButton);
return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
SubtitlesButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
};
SubtitlesButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
};
return SubtitlesButton;
}(TextTrackButton);
/**
* `kind` of TextTrack to look for to associate it with this menu.
*
* @type {string}
* @private
*/
SubtitlesButton.prototype.kind_ = 'subtitles';
/**
* The text that should display over the `SubtitlesButton`s controls. Added for localization.
*
* @type {string}
* @private
*/
SubtitlesButton.prototype.controlText_ = 'Subtitles';
Component.registerComponent('SubtitlesButton', SubtitlesButton);
/**
* @file caption-settings-menu-item.js
*/
/**
* The menu item for caption track settings menu
*
* @extends TextTrackMenuItem
*/
var CaptionSettingsMenuItem = function (_TextTrackMenuItem) {
inherits(CaptionSettingsMenuItem, _TextTrackMenuItem);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function CaptionSettingsMenuItem(player, options) {
classCallCheck(this, CaptionSettingsMenuItem);
options.track = {
player: player,
kind: options.kind,
label: options.kind + ' settings',
selectable: false,
'default': false,
mode: 'disabled'
};
// CaptionSettingsMenuItem has no concept of 'selected'
options.selectable = false;
options.name = 'CaptionSettingsMenuItem';
var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
_this.addClass('vjs-texttrack-settings');
_this.controlText(', opens ' + options.kind + ' settings dialog');
return _this;
}
/**
* This gets called when an `CaptionSettingsMenuItem` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
CaptionSettingsMenuItem.prototype.handleClick = function handleClick(event) {
this.player().getChild('textTrackSettings').open();
};
return CaptionSettingsMenuItem;
}(TextTrackMenuItem);
Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);
/**
* @file captions-button.js
*/
/**
* The button component for toggling and selecting captions
*
* @extends TextTrackButton
*/
var CaptionsButton = function (_TextTrackButton) {
inherits(CaptionsButton, _TextTrackButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Component~ReadyCallback} [ready]
* The function to call when this component is ready.
*/
function CaptionsButton(player, options, ready) {
classCallCheck(this, CaptionsButton);
return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
CaptionsButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
};
CaptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
return 'vjs-captions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
};
/**
* Create caption menu items
*
* @return {CaptionSettingsMenuItem[]}
* The array of current menu items.
*/
CaptionsButton.prototype.createItems = function createItems() {
var items = [];
if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.kind_ }));
this.hideThreshold_ += 1;
}
return _TextTrackButton.prototype.createItems.call(this, items);
};
return CaptionsButton;
}(TextTrackButton);
/**
* `kind` of TextTrack to look for to associate it with this menu.
*
* @type {string}
* @private
*/
CaptionsButton.prototype.kind_ = 'captions';
/**
* The text that should display over the `CaptionsButton`s controls. Added for localization.
*
* @type {string}
* @private
*/
CaptionsButton.prototype.controlText_ = 'Captions';
Component.registerComponent('CaptionsButton', CaptionsButton);
/**
* @file subs-caps-menu-item.js
*/
/**
* SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
* in the SubsCapsMenu.
*
* @extends TextTrackMenuItem
*/
var SubsCapsMenuItem = function (_TextTrackMenuItem) {
inherits(SubsCapsMenuItem, _TextTrackMenuItem);
function SubsCapsMenuItem() {
classCallCheck(this, SubsCapsMenuItem);
return possibleConstructorReturn(this, _TextTrackMenuItem.apply(this, arguments));
}
SubsCapsMenuItem.prototype.createEl = function createEl(type, props, attrs) {
var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);
if (this.options_.track.kind === 'captions') {
innerHTML += '\n <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n <span class="vjs-control-text"> ' + this.localize('Captions') + '</span>\n ';
}
innerHTML += '</span>';
var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({
innerHTML: innerHTML
}, props), attrs);
return el;
};
return SubsCapsMenuItem;
}(TextTrackMenuItem);
Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);
/**
* @file sub-caps-button.js
*/
/**
* The button component for toggling and selecting captions and/or subtitles
*
* @extends TextTrackButton
*/
var SubsCapsButton = function (_TextTrackButton) {
inherits(SubsCapsButton, _TextTrackButton);
function SubsCapsButton(player) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, SubsCapsButton);
// Although North America uses "captions" in most cases for
// "captions and subtitles" other locales use "subtitles"
var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options));
_this.label_ = 'subtitles';
if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {
_this.label_ = 'captions';
}
_this.menuButton_.controlText(toTitleCase(_this.label_));
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
SubsCapsButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
};
SubsCapsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
};
/**
* Create caption/subtitles menu items
*
* @return {CaptionSettingsMenuItem[]}
* The array of current menu items.
*/
SubsCapsButton.prototype.createItems = function createItems() {
var items = [];
if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.label_ }));
this.hideThreshold_ += 1;
}
items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);
return items;
};
return SubsCapsButton;
}(TextTrackButton);
/**
* `kind`s of TextTrack to look for to associate it with this menu.
*
* @type {array}
* @private
*/
SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];
/**
* The text that should display over the `SubsCapsButton`s controls.
*
*
* @type {string}
* @private
*/
SubsCapsButton.prototype.controlText_ = 'Subtitles';
Component.registerComponent('SubsCapsButton', SubsCapsButton);
/**
* @file audio-track-menu-item.js
*/
/**
* An {@link AudioTrack} {@link MenuItem}
*
* @extends MenuItem
*/
var AudioTrackMenuItem = function (_MenuItem) {
inherits(AudioTrackMenuItem, _MenuItem);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function AudioTrackMenuItem(player, options) {
classCallCheck(this, AudioTrackMenuItem);
var track = options.track;
var tracks = player.audioTracks();
// Modify options for parent MenuItem class's init.
options.label = track.label || track.language || 'Unknown';
options.selected = track.enabled;
var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
_this.track = track;
var changeHandler = bind(_this, _this.handleTracksChange);
tracks.addEventListener('change', changeHandler);
_this.on('dispose', function () {
tracks.removeEventListener('change', changeHandler);
});
return _this;
}
/**
* This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
* for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
AudioTrackMenuItem.prototype.handleClick = function handleClick(event) {
var tracks = this.player_.audioTracks();
_MenuItem.prototype.handleClick.call(this, event);
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
track.enabled = track === this.track;
}
};
/**
* Handle any {@link AudioTrack} change.
*
* @param {EventTarget~Event} [event]
* The {@link AudioTrackList#change} event that caused this to run.
*
* @listens AudioTrackList#change
*/
AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
this.selected(this.track.enabled);
};
return AudioTrackMenuItem;
}(MenuItem);
Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
/**
* @file audio-track-button.js
*/
/**
* The base class for buttons that toggle specific {@link AudioTrack} types.
*
* @extends TrackButton
*/
var AudioTrackButton = function (_TrackButton) {
inherits(AudioTrackButton, _TrackButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options={}]
* The key/value store of player options.
*/
function AudioTrackButton(player) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, AudioTrackButton);
options.tracks = player.audioTracks();
return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this);
};
AudioTrackButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
return 'vjs-audio-button ' + _TrackButton.prototype.buildWrapperCSSClass.call(this);
};
/**
* Create a menu item for each audio track
*
* @param {AudioTrackMenuItem[]} [items=[]]
* An array of existing menu items to use.
*
* @return {AudioTrackMenuItem[]}
* An array of menu items
*/
AudioTrackButton.prototype.createItems = function createItems() {
var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
// if there's only one audio track, there no point in showing it
this.hideThreshold_ = 1;
var tracks = this.player_.audioTracks();
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
items.push(new AudioTrackMenuItem(this.player_, {
track: track,
// MenuItem is selectable
selectable: true
}));
}
return items;
};
return AudioTrackButton;
}(TrackButton);
/**
* The text that should display over the `AudioTrackButton`s controls. Added for localization.
*
* @type {string}
* @private
*/
AudioTrackButton.prototype.controlText_ = 'Audio Track';
Component.registerComponent('AudioTrackButton', AudioTrackButton);
/**
* @file playback-rate-menu-item.js
*/
/**
* The specific menu item type for selecting a playback rate.
*
* @extends MenuItem
*/
var PlaybackRateMenuItem = function (_MenuItem) {
inherits(PlaybackRateMenuItem, _MenuItem);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function PlaybackRateMenuItem(player, options) {
classCallCheck(this, PlaybackRateMenuItem);
var label = options.rate;
var rate = parseFloat(label, 10);
// Modify options for parent MenuItem class's init.
options.label = label;
options.selected = rate === 1;
options.selectable = true;
var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
_this.label = label;
_this.rate = rate;
_this.on(player, 'ratechange', _this.update);
return _this;
}
/**
* This gets called when an `PlaybackRateMenuItem` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
PlaybackRateMenuItem.prototype.handleClick = function handleClick(event) {
_MenuItem.prototype.handleClick.call(this);
this.player().playbackRate(this.rate);
};
/**
* Update the PlaybackRateMenuItem when the playbackrate changes.
*
* @param {EventTarget~Event} [event]
* The `ratechange` event that caused this function to run.
*
* @listens Player#ratechange
*/
PlaybackRateMenuItem.prototype.update = function update(event) {
this.selected(this.player().playbackRate() === this.rate);
};
return PlaybackRateMenuItem;
}(MenuItem);
/**
* The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
*
* @type {string}
* @private
*/
PlaybackRateMenuItem.prototype.contentElType = 'button';
Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
/**
* @file playback-rate-menu-button.js
*/
/**
* The component for controlling the playback rate.
*
* @extends MenuButton
*/
var PlaybackRateMenuButton = function (_MenuButton) {
inherits(PlaybackRateMenuButton, _MenuButton);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function PlaybackRateMenuButton(player, options) {
classCallCheck(this, PlaybackRateMenuButton);
var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
_this.updateVisibility();
_this.updateLabel();
_this.on(player, 'loadstart', _this.updateVisibility);
_this.on(player, 'ratechange', _this.updateLabel);
return _this;
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
PlaybackRateMenuButton.prototype.createEl = function createEl$$1() {
var el = _MenuButton.prototype.createEl.call(this);
this.labelEl_ = createEl('div', {
className: 'vjs-playback-rate-value',
innerHTML: '1x'
});
el.appendChild(this.labelEl_);
return el;
};
PlaybackRateMenuButton.prototype.dispose = function dispose() {
this.labelEl_ = null;
_MenuButton.prototype.dispose.call(this);
};
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
PlaybackRateMenuButton.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-playback-rate ' + _MenuButton.prototype.buildCSSClass.call(this);
};
PlaybackRateMenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
return 'vjs-playback-rate ' + _MenuButton.prototype.buildWrapperCSSClass.call(this);
};
/**
* Create the playback rate menu
*
* @return {Menu}
* Menu object populated with {@link PlaybackRateMenuItem}s
*/
PlaybackRateMenuButton.prototype.createMenu = function createMenu() {
var menu = new Menu(this.player());
var rates = this.playbackRates();
if (rates) {
for (var i = rates.length - 1; i >= 0; i--) {
menu.addChild(new PlaybackRateMenuItem(this.player(), { rate: rates[i] + 'x' }));
}
}
return menu;
};
/**
* Updates ARIA accessibility attributes
*/
PlaybackRateMenuButton.prototype.updateARIAAttributes = function updateARIAAttributes() {
// Current playback rate
this.el().setAttribute('aria-valuenow', this.player().playbackRate());
};
/**
* This gets called when an `PlaybackRateMenuButton` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
PlaybackRateMenuButton.prototype.handleClick = function handleClick(event) {
// select next rate option
var currentRate = this.player().playbackRate();
var rates = this.playbackRates();
// this will select first one if the last one currently selected
var newRate = rates[0];
for (var i = 0; i < rates.length; i++) {
if (rates[i] > currentRate) {
newRate = rates[i];
break;
}
}
this.player().playbackRate(newRate);
};
/**
* Get possible playback rates
*
* @return {Array}
* All possible playback rates
*/
PlaybackRateMenuButton.prototype.playbackRates = function playbackRates() {
return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;
};
/**
* Get whether playback rates is supported by the tech
* and an array of playback rates exists
*
* @return {boolean}
* Whether changing playback rate is supported
*/
PlaybackRateMenuButton.prototype.playbackRateSupported = function playbackRateSupported() {
return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
};
/**
* Hide playback rate controls when they're no playback rate options to select
*
* @param {EventTarget~Event} [event]
* The event that caused this function to run.
*
* @listens Player#loadstart
*/
PlaybackRateMenuButton.prototype.updateVisibility = function updateVisibility(event) {
if (this.playbackRateSupported()) {
this.removeClass('vjs-hidden');
} else {
this.addClass('vjs-hidden');
}
};
/**
* Update button label when rate changed
*
* @param {EventTarget~Event} [event]
* The event that caused this function to run.
*
* @listens Player#ratechange
*/
PlaybackRateMenuButton.prototype.updateLabel = function updateLabel(event) {
if (this.playbackRateSupported()) {
this.labelEl_.innerHTML = this.player().playbackRate() + 'x';
}
};
return PlaybackRateMenuButton;
}(MenuButton);
/**
* The text that should display over the `FullscreenToggle`s controls. Added for localization.
*
* @type {string}
* @private
*/
PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';
Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);
/**
* @file spacer.js
*/
/**
* Just an empty spacer element that can be used as an append point for plugins, etc.
* Also can be used to create space between elements when necessary.
*
* @extends Component
*/
var Spacer = function (_Component) {
inherits(Spacer, _Component);
function Spacer() {
classCallCheck(this, Spacer);
return possibleConstructorReturn(this, _Component.apply(this, arguments));
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
Spacer.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-spacer ' + _Component.prototype.buildCSSClass.call(this);
};
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
Spacer.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: this.buildCSSClass()
});
};
return Spacer;
}(Component);
Component.registerComponent('Spacer', Spacer);
/**
* @file custom-control-spacer.js
*/
/**
* Spacer specifically meant to be used as an insertion point for new plugins, etc.
*
* @extends Spacer
*/
var CustomControlSpacer = function (_Spacer) {
inherits(CustomControlSpacer, _Spacer);
function CustomControlSpacer() {
classCallCheck(this, CustomControlSpacer);
return possibleConstructorReturn(this, _Spacer.apply(this, arguments));
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
CustomControlSpacer.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-custom-control-spacer ' + _Spacer.prototype.buildCSSClass.call(this);
};
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
CustomControlSpacer.prototype.createEl = function createEl() {
var el = _Spacer.prototype.createEl.call(this, {
className: this.buildCSSClass()
});
// No-flex/table-cell mode requires there be some content
// in the cell to fill the remaining space of the table.
el.innerHTML = '&nbsp;';
return el;
};
return CustomControlSpacer;
}(Spacer);
Component.registerComponent('CustomControlSpacer', CustomControlSpacer);
/**
* @file control-bar.js
*/
// Required children
/**
* Container of main controls.
*
* @extends Component
*/
var ControlBar = function (_Component) {
inherits(ControlBar, _Component);
function ControlBar() {
classCallCheck(this, ControlBar);
return possibleConstructorReturn(this, _Component.apply(this, arguments));
}
/**
* Create the `Component`'s DOM element
*
* @return {Element}
* The element that was created.
*/
ControlBar.prototype.createEl = function createEl() {
return _Component.prototype.createEl.call(this, 'div', {
className: 'vjs-control-bar',
dir: 'ltr'
}, {
// The control bar is a group, but we don't aria-label it to avoid
// over-announcing by JAWS
role: 'group'
});
};
return ControlBar;
}(Component);
/**
* Default options for `ControlBar`
*
* @type {Object}
* @private
*/
ControlBar.prototype.options_ = {
children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']
};
Component.registerComponent('ControlBar', ControlBar);
/**
* @file error-display.js
*/
/**
* A display that indicates an error has occurred. This means that the video
* is unplayable.
*
* @extends ModalDialog
*/
var ErrorDisplay = function (_ModalDialog) {
inherits(ErrorDisplay, _ModalDialog);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function ErrorDisplay(player, options) {
classCallCheck(this, ErrorDisplay);
var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
_this.on(player, 'error', _this.open);
return _this;
}
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*
* @deprecated Since version 5.
*/
ErrorDisplay.prototype.buildCSSClass = function buildCSSClass() {
return 'vjs-error-display ' + _ModalDialog.prototype.buildCSSClass.call(this);
};
/**
* Gets the localized error message based on the `Player`s error.
*
* @return {string}
* The `Player`s error message localized or an empty string.
*/
ErrorDisplay.prototype.content = function content() {
var error = this.player().error();
return error ? this.localize(error.message) : '';
};
return ErrorDisplay;
}(ModalDialog);
/**
* The default options for an `ErrorDisplay`.
*
* @private
*/
ErrorDisplay.prototype.options_ = mergeOptions(ModalDialog.prototype.options_, {
pauseOnOpen: false,
fillAlways: true,
temporary: false,
uncloseable: true
});
Component.registerComponent('ErrorDisplay', ErrorDisplay);
/**
* @file text-track-settings.js
*/
var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';
var COLOR_BLACK = ['#000', 'Black'];
var COLOR_BLUE = ['#00F', 'Blue'];
var COLOR_CYAN = ['#0FF', 'Cyan'];
var COLOR_GREEN = ['#0F0', 'Green'];
var COLOR_MAGENTA = ['#F0F', 'Magenta'];
var COLOR_RED = ['#F00', 'Red'];
var COLOR_WHITE = ['#FFF', 'White'];
var COLOR_YELLOW = ['#FF0', 'Yellow'];
var OPACITY_OPAQUE = ['1', 'Opaque'];
var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
var OPACITY_TRANS = ['0', 'Transparent'];
// Configuration for the various <select> elements in the DOM of this component.
//
// Possible keys include:
//
// `default`:
// The default option index. Only needs to be provided if not zero.
// `parser`:
// A function which is used to parse the value from the selected option in
// a customized way.
// `selector`:
// The selector used to find the associated <select> element.
var selectConfigs = {
backgroundColor: {
selector: '.vjs-bg-color > select',
id: 'captions-background-color-%s',
label: 'Color',
options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
},
backgroundOpacity: {
selector: '.vjs-bg-opacity > select',
id: 'captions-background-opacity-%s',
label: 'Transparency',
options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
},
color: {
selector: '.vjs-fg-color > select',
id: 'captions-foreground-color-%s',
label: 'Color',
options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
},
edgeStyle: {
selector: '.vjs-edge-style > select',
id: '%s',
label: 'Text Edge Style',
options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]
},
fontFamily: {
selector: '.vjs-font-family > select',
id: 'captions-font-family-%s',
label: 'Font Family',
options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
},
fontPercent: {
selector: '.vjs-font-percent > select',
id: 'captions-font-size-%s',
label: 'Font Size',
options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
'default': 2,
parser: function parser(v) {
return v === '1.00' ? null : Number(v);
}
},
textOpacity: {
selector: '.vjs-text-opacity > select',
id: 'captions-foreground-opacity-%s',
label: 'Transparency',
options: [OPACITY_OPAQUE, OPACITY_SEMI]
},
// Options for this object are defined below.
windowColor: {
selector: '.vjs-window-color > select',
id: 'captions-window-color-%s',
label: 'Color'
},
// Options for this object are defined below.
windowOpacity: {
selector: '.vjs-window-opacity > select',
id: 'captions-window-opacity-%s',
label: 'Transparency',
options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
}
};
selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;
/**
* Get the actual value of an option.
*
* @param {string} value
* The value to get
*
* @param {Function} [parser]
* Optional function to adjust the value.
*
* @return {Mixed}
* - Will be `undefined` if no value exists
* - Will be `undefined` if the given value is "none".
* - Will be the actual value otherwise.
*
* @private
*/
function parseOptionValue(value, parser) {
if (parser) {
value = parser(value);
}
if (value && value !== 'none') {
return value;
}
}
/**
* Gets the value of the selected <option> element within a <select> element.
*
* @param {Element} el
* the element to look in
*
* @param {Function} [parser]
* Optional function to adjust the value.
*
* @return {Mixed}
* - Will be `undefined` if no value exists
* - Will be `undefined` if the given value is "none".
* - Will be the actual value otherwise.
*
* @private
*/
function getSelectedOptionValue(el, parser) {
var value = el.options[el.options.selectedIndex].value;
return parseOptionValue(value, parser);
}
/**
* Sets the selected <option> element within a <select> element based on a
* given value.
*
* @param {Element} el
* The element to look in.
*
* @param {string} value
* the property to look on.
*
* @param {Function} [parser]
* Optional function to adjust the value before comparing.
*
* @private
*/
function setSelectedOption(el, value, parser) {
if (!value) {
return;
}
for (var i = 0; i < el.options.length; i++) {
if (parseOptionValue(el.options[i].value, parser) === value) {
el.selectedIndex = i;
break;
}
}
}
/**
* Manipulate Text Tracks settings.
*
* @extends ModalDialog
*/
var TextTrackSettings = function (_ModalDialog) {
inherits(TextTrackSettings, _ModalDialog);
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*/
function TextTrackSettings(player, options) {
classCallCheck(this, TextTrackSettings);
options.temporary = false;
var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
_this.updateDisplay = bind(_this, _this.updateDisplay);
// fill the modal and pretend we have opened it
_this.fill();
_this.hasBeenOpened_ = _this.hasBeenFilled_ = true;
_this.endDialog = createEl('p', {
className: 'vjs-control-text',
textContent: _this.localize('End of dialog window.')
});
_this.el().appendChild(_this.endDialog);
_this.setDefaults();
// Grab `persistTextTrackSettings` from the player options if not passed in child options
if (options.persistTextTrackSettings === undefined) {
_this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;
}
_this.on(_this.$('.vjs-done-button'), 'click', function () {
_this.saveSettings();
_this.close();
});
_this.on(_this.$('.vjs-default-button'), 'click', function () {
_this.setDefaults();
_this.updateDisplay();
});
each(selectConfigs, function (config) {
_this.on(_this.$(config.selector), 'change', _this.updateDisplay);
});
if (_this.options_.persistTextTrackSettings) {
_this.restoreSettings();
}
return _this;
}
TextTrackSettings.prototype.dispose = function dispose() {
this.endDialog = null;
_ModalDialog.prototype.dispose.call(this);
};
/**
* Create a <select> element with configured options.
*
* @param {string} key
* Configuration key to use during creation.
*
* @return {string}
* An HTML string.
*
* @private
*/
TextTrackSettings.prototype.createElSelect_ = function createElSelect_(key) {
var _this2 = this;
var legendId = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'label';
var config = selectConfigs[key];
var id = config.id.replace('%s', this.id_);
return ['<' + type + ' id="' + id + '" class="' + (type === 'label' ? 'vjs-label' : '') + '">', this.localize(config.label), '</' + type + '>', '<select aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + '">'].concat(config.options.map(function (o) {
var optionId = id + '-' + o[1];
return ['<option id="' + optionId + '" value="' + o[0] + '" ', 'aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + ' ' + optionId + '">', _this2.localize(o[1]), '</option>'].join('');
})).concat('</select>').join('');
};
/**
* Create foreground color element for the component
*
* @return {string}
* An HTML string.
*
* @private
*/
TextTrackSettings.prototype.createElFgColor_ = function createElFgColor_() {
var legendId = 'captions-text-legend-' + this.id_;
return ['<fieldset class="vjs-fg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
};
/**
* Create background color element for the component
*
* @return {string}
* An HTML string.
*
* @private
*/
TextTrackSettings.prototype.createElBgColor_ = function createElBgColor_() {
var legendId = 'captions-background-' + this.id_;
return ['<fieldset class="vjs-bg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
};
/**
* Create window color element for the component
*
* @return {string}
* An HTML string.
*
* @private
*/
TextTrackSettings.prototype.createElWinColor_ = function createElWinColor_() {
var legendId = 'captions-window-' + this.id_;
return ['<fieldset class="vjs-window-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
};
/**
* Create color elements for the component
*
* @return {Element}
* The element that was created
*
* @private
*/
TextTrackSettings.prototype.createElColors_ = function createElColors_() {
return createEl('div', {
className: 'vjs-track-settings-colors',
innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
});
};
/**
* Create font elements for the component
*
* @return {Element}
* The element that was created.
*
* @private
*/
TextTrackSettings.prototype.createElFont_ = function createElFont_() {
return createEl('div', {
className: 'vjs-track-settings-font">',
innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
});
};
/**
* Create controls for the component
*
* @return {Element}
* The element that was created.
*
* @private
*/
TextTrackSettings.prototype.createElControls_ = function createElControls_() {
var defaultsDescription = this.localize('restore all settings to the default values');
return createEl('div', {
className: 'vjs-track-settings-controls',
innerHTML: ['<button class="vjs-default-button" title="' + defaultsDescription + '">', this.localize('Reset'), '<span class="vjs-control-text"> ' + defaultsDescription + '</span>', '</button>', '<button class="vjs-done-button">' + this.localize('Done') + '</button>'].join('')
});
};
TextTrackSettings.prototype.content = function content() {
return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
};
TextTrackSettings.prototype.label = function label() {
return this.localize('Caption Settings Dialog');
};
TextTrackSettings.prototype.description = function description() {
return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
};
TextTrackSettings.prototype.buildCSSClass = function buildCSSClass() {
return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';
};
/**
* Gets an object of text track settings (or null).
*
* @return {Object}
* An object with config values parsed from the DOM or localStorage.
*/
TextTrackSettings.prototype.getValues = function getValues() {
var _this3 = this;
return reduce(selectConfigs, function (accum, config, key) {
var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);
if (value !== undefined) {
accum[key] = value;
}
return accum;
}, {});
};
/**
* Sets text track settings from an object of values.
*
* @param {Object} values
* An object with config values parsed from the DOM or localStorage.
*/
TextTrackSettings.prototype.setValues = function setValues(values) {
var _this4 = this;
each(selectConfigs, function (config, key) {
setSelectedOption(_this4.$(config.selector), values[key], config.parser);
});
};
/**
* Sets all `<select>` elements to their default values.
*/
TextTrackSettings.prototype.setDefaults = function setDefaults() {
var _this5 = this;
each(selectConfigs, function (config) {
var index = config.hasOwnProperty('default') ? config['default'] : 0;
_this5.$(config.selector).selectedIndex = index;
});
};
/**
* Restore texttrack settings from localStorage
*/
TextTrackSettings.prototype.restoreSettings = function restoreSettings() {
var values = void 0;
try {
values = JSON.parse(window_1.localStorage.getItem(LOCAL_STORAGE_KEY));
} catch (err) {
log$1.warn(err);
}
if (values) {
this.setValues(values);
}
};
/**
* Save text track settings to localStorage
*/
TextTrackSettings.prototype.saveSettings = function saveSettings() {
if (!this.options_.persistTextTrackSettings) {
return;
}
var values = this.getValues();
try {
if (Object.keys(values).length) {
window_1.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
} else {
window_1.localStorage.removeItem(LOCAL_STORAGE_KEY);
}
} catch (err) {
log$1.warn(err);
}
};
/**
* Update display of text track settings
*/
TextTrackSettings.prototype.updateDisplay = function updateDisplay() {
var ttDisplay = this.player_.getChild('textTrackDisplay');
if (ttDisplay) {
ttDisplay.updateDisplay();
}
};
/**
* conditionally blur the element and refocus the captions button
*
* @private
*/
TextTrackSettings.prototype.conditionalBlur_ = function conditionalBlur_() {
this.previouslyActiveEl_ = null;
this.off(document_1, 'keydown', this.handleKeyDown);
var cb = this.player_.controlBar;
var subsCapsBtn = cb && cb.subsCapsButton;
var ccBtn = cb && cb.captionsButton;
if (subsCapsBtn) {
subsCapsBtn.focus();
} else if (ccBtn) {
ccBtn.focus();
}
};
return TextTrackSettings;
}(ModalDialog);
Component.registerComponent('TextTrackSettings', TextTrackSettings);
var _templateObject$2 = taggedTemplateLiteralLoose(['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.'], ['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.']);
/**
* @file html5.js
*/
/**
* HTML5 Media Controller - Wrapper for HTML5 Media API
*
* @mixes Tech~SouceHandlerAdditions
* @extends Tech
*/
var Html5 = function (_Tech) {
inherits(Html5, _Tech);
/**
* Create an instance of this Tech.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Component~ReadyCallback} ready
* Callback function to call when the `HTML5` Tech is ready.
*/
function Html5(options, ready) {
classCallCheck(this, Html5);
var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));
var source = options.source;
var crossoriginTracks = false;
// Set the source if one is provided
// 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
// 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
// anyway so the error gets fired.
if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
_this.setSource(source);
} else {
_this.handleLateInit_(_this.el_);
}
if (_this.el_.hasChildNodes()) {
var nodes = _this.el_.childNodes;
var nodesLength = nodes.length;
var removeNodes = [];
while (nodesLength--) {
var node = nodes[nodesLength];
var nodeName = node.nodeName.toLowerCase();
if (nodeName === 'track') {
if (!_this.featuresNativeTextTracks) {
// Empty video tag tracks so the built-in player doesn't use them also.
// This may not be fast enough to stop HTML5 browsers from reading the tags
// so we'll need to turn off any default tracks if we're manually doing
// captions and subtitles. videoElement.textTracks
removeNodes.push(node);
} else {
// store HTMLTrackElement and TextTrack to remote list
_this.remoteTextTrackEls().addTrackElement_(node);
_this.remoteTextTracks().addTrack(node.track);
_this.textTracks().addTrack(node.track);
if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
crossoriginTracks = true;
}
}
}
}
for (var i = 0; i < removeNodes.length; i++) {
_this.el_.removeChild(removeNodes[i]);
}
}
_this.proxyNativeTracks_();
if (_this.featuresNativeTextTracks && crossoriginTracks) {
log$1.warn(tsml(_templateObject$2));
}
// prevent iOS Safari from disabling metadata text tracks during native playback
_this.restoreMetadataTracksInIOSNativePlayer_();
// Determine if native controls should be used
// Our goal should be to get the custom controls on mobile solid everywhere
// so we can remove this all together. Right now this will block custom
// controls on touch enabled laptops like the Chrome Pixel
if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {
_this.setControls(true);
}
// on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
// into a `fullscreenchange` event
_this.proxyWebkitFullscreen_();
_this.triggerReady();
return _this;
}
/**
* Dispose of `HTML5` media element and remove all tracks.
*/
Html5.prototype.dispose = function dispose() {
Html5.disposeMediaElement(this.el_);
this.options_ = null;
// tech will handle clearing of the emulated track list
_Tech.prototype.dispose.call(this);
};
/**
* When a captions track is enabled in the iOS Safari native player, all other
* tracks are disabled (including metadata tracks), which nulls all of their
* associated cue points. This will restore metadata tracks to their pre-fullscreen
* state in those cases so that cue points are not needlessly lost.
*
* @private
*/
Html5.prototype.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {
var textTracks = this.textTracks();
var metadataTracksPreFullscreenState = void 0;
// captures a snapshot of every metadata track's current state
var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {
metadataTracksPreFullscreenState = [];
for (var i = 0; i < textTracks.length; i++) {
var track = textTracks[i];
if (track.kind === 'metadata') {
metadataTracksPreFullscreenState.push({
track: track,
storedMode: track.mode
});
}
}
};
// snapshot each metadata track's initial state, and update the snapshot
// each time there is a track 'change' event
takeMetadataTrackSnapshot();
textTracks.addEventListener('change', takeMetadataTrackSnapshot);
this.on('dispose', function () {
return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
});
var restoreTrackMode = function restoreTrackMode() {
for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {
var storedTrack = metadataTracksPreFullscreenState[i];
if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
storedTrack.track.mode = storedTrack.storedMode;
}
}
// we only want this handler to be executed on the first 'change' event
textTracks.removeEventListener('change', restoreTrackMode);
};
// when we enter fullscreen playback, stop updating the snapshot and
// restore all track modes to their pre-fullscreen state
this.on('webkitbeginfullscreen', function () {
textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
// remove the listener before adding it just in case it wasn't previously removed
textTracks.removeEventListener('change', restoreTrackMode);
textTracks.addEventListener('change', restoreTrackMode);
});
// start updating the snapshot again after leaving fullscreen
this.on('webkitendfullscreen', function () {
// remove the listener before adding it just in case it wasn't previously removed
textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
textTracks.addEventListener('change', takeMetadataTrackSnapshot);
// remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
textTracks.removeEventListener('change', restoreTrackMode);
});
};
/**
* Proxy all native track list events to our track lists if the browser we are playing
* in supports that type of track list.
*
* @private
*/
Html5.prototype.proxyNativeTracks_ = function proxyNativeTracks_() {
var _this2 = this;
NORMAL.names.forEach(function (name) {
var props = NORMAL[name];
var elTracks = _this2.el()[props.getterName];
var techTracks = _this2[props.getterName]();
if (!_this2['featuresNative' + props.capitalName + 'Tracks'] || !elTracks || !elTracks.addEventListener) {
return;
}
var listeners = {
change: function change(e) {
techTracks.trigger({
type: 'change',
target: techTracks,
currentTarget: techTracks,
srcElement: techTracks
});
},
addtrack: function addtrack(e) {
techTracks.addTrack(e.track);
},
removetrack: function removetrack(e) {
techTracks.removeTrack(e.track);
}
};
var removeOldTracks = function removeOldTracks() {
var removeTracks = [];
for (var i = 0; i < techTracks.length; i++) {
var found = false;
for (var j = 0; j < elTracks.length; j++) {
if (elTracks[j] === techTracks[i]) {
found = true;
break;
}
}
if (!found) {
removeTracks.push(techTracks[i]);
}
}
while (removeTracks.length) {
techTracks.removeTrack(removeTracks.shift());
}
};
Object.keys(listeners).forEach(function (eventName) {
var listener = listeners[eventName];
elTracks.addEventListener(eventName, listener);
_this2.on('dispose', function (e) {
return elTracks.removeEventListener(eventName, listener);
});
});
// Remove (native) tracks that are not used anymore
_this2.on('loadstart', removeOldTracks);
_this2.on('dispose', function (e) {
return _this2.off('loadstart', removeOldTracks);
});
});
};
/**
* Create the `Html5` Tech's DOM element.
*
* @return {Element}
* The element that gets created.
*/
Html5.prototype.createEl = function createEl$$1() {
var el = this.options_.tag;
// Check if this browser supports moving the element into the box.
// On the iPhone video will break if you move the element,
// So we have to create a brand new element.
// If we ingested the player div, we do not need to move the media element.
if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {
// If the original tag is still there, clone and remove it.
if (el) {
var clone = el.cloneNode(true);
if (el.parentNode) {
el.parentNode.insertBefore(clone, el);
}
Html5.disposeMediaElement(el);
el = clone;
} else {
el = document_1.createElement('video');
// determine if native controls should be used
var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
var attributes = mergeOptions({}, tagAttributes);
if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
delete attributes.controls;
}
setAttributes(el, assign(attributes, {
id: this.options_.techId,
'class': 'vjs-tech'
}));
}
el.playerId = this.options_.playerId;
}
if (typeof this.options_.preload !== 'undefined') {
setAttribute(el, 'preload', this.options_.preload);
}
// Update specific tag settings, in case they were overridden
// `autoplay` has to be *last* so that `muted` and `playsinline` are present
// when iOS/Safari or other browsers attempt to autoplay.
var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];
for (var i = 0; i < settingsAttrs.length; i++) {
var attr = settingsAttrs[i];
var value = this.options_[attr];
if (typeof value !== 'undefined') {
if (value) {
setAttribute(el, attr, attr);
} else {
removeAttribute(el, attr);
}
el[attr] = value;
}
}
return el;
};
/**
* This will be triggered if the loadstart event has already fired, before videojs was
* ready. Two known examples of when this can happen are:
* 1. If we're loading the playback object after it has started loading
* 2. The media is already playing the (often with autoplay on) then
*
* This function will fire another loadstart so that videojs can catchup.
*
* @fires Tech#loadstart
*
* @return {undefined}
* returns nothing.
*/
Html5.prototype.handleLateInit_ = function handleLateInit_(el) {
if (el.networkState === 0 || el.networkState === 3) {
// The video element hasn't started loading the source yet
// or didn't find a source
return;
}
if (el.readyState === 0) {
// NetworkState is set synchronously BUT loadstart is fired at the
// end of the current stack, usually before setInterval(fn, 0).
// So at this point we know loadstart may have already fired or is
// about to fire, and either way the player hasn't seen it yet.
// We don't want to fire loadstart prematurely here and cause a
// double loadstart so we'll wait and see if it happens between now
// and the next loop, and fire it if not.
// HOWEVER, we also want to make sure it fires before loadedmetadata
// which could also happen between now and the next loop, so we'll
// watch for that also.
var loadstartFired = false;
var setLoadstartFired = function setLoadstartFired() {
loadstartFired = true;
};
this.on('loadstart', setLoadstartFired);
var triggerLoadstart = function triggerLoadstart() {
// We did miss the original loadstart. Make sure the player
// sees loadstart before loadedmetadata
if (!loadstartFired) {
this.trigger('loadstart');
}
};
this.on('loadedmetadata', triggerLoadstart);
this.ready(function () {
this.off('loadstart', setLoadstartFired);
this.off('loadedmetadata', triggerLoadstart);
if (!loadstartFired) {
// We did miss the original native loadstart. Fire it now.
this.trigger('loadstart');
}
});
return;
}
// From here on we know that loadstart already fired and we missed it.
// The other readyState events aren't as much of a problem if we double
// them, so not going to go to as much trouble as loadstart to prevent
// that unless we find reason to.
var eventsToTrigger = ['loadstart'];
// loadedmetadata: newly equal to HAVE_METADATA (1) or greater
eventsToTrigger.push('loadedmetadata');
// loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
if (el.readyState >= 2) {
eventsToTrigger.push('loadeddata');
}
// canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
if (el.readyState >= 3) {
eventsToTrigger.push('canplay');
}
// canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
if (el.readyState >= 4) {
eventsToTrigger.push('canplaythrough');
}
// We still need to give the player time to add event listeners
this.ready(function () {
eventsToTrigger.forEach(function (type) {
this.trigger(type);
}, this);
});
};
/**
* Set current time for the `HTML5` tech.
*
* @param {number} seconds
* Set the current time of the media to this.
*/
Html5.prototype.setCurrentTime = function setCurrentTime(seconds) {
try {
this.el_.currentTime = seconds;
} catch (e) {
log$1(e, 'Video is not ready. (Video.js)');
// this.warning(VideoJS.warnings.videoNotReady);
}
};
/**
* Get the current duration of the HTML5 media element.
*
* @return {number}
* The duration of the media or 0 if there is no duration.
*/
Html5.prototype.duration = function duration() {
var _this3 = this;
// Android Chrome will report duration as Infinity for VOD HLS until after
// playback has started, which triggers the live display erroneously.
// Return NaN if playback has not started and trigger a durationupdate once
// the duration can be reliably known.
if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
// Wait for the first `timeupdate` with currentTime > 0 - there may be
// several with 0
var checkProgress = function checkProgress() {
if (_this3.el_.currentTime > 0) {
// Trigger durationchange for genuinely live video
if (_this3.el_.duration === Infinity) {
_this3.trigger('durationchange');
}
_this3.off('timeupdate', checkProgress);
}
};
this.on('timeupdate', checkProgress);
return NaN;
}
return this.el_.duration || NaN;
};
/**
* Get the current width of the HTML5 media element.
*
* @return {number}
* The width of the HTML5 media element.
*/
Html5.prototype.width = function width() {
return this.el_.offsetWidth;
};
/**
* Get the current height of the HTML5 media element.
*
* @return {number}
* The heigth of the HTML5 media element.
*/
Html5.prototype.height = function height() {
return this.el_.offsetHeight;
};
/**
* Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
* `fullscreenchange` event.
*
* @private
* @fires fullscreenchange
* @listens webkitendfullscreen
* @listens webkitbeginfullscreen
* @listens webkitbeginfullscreen
*/
Html5.prototype.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {
var _this4 = this;
if (!('webkitDisplayingFullscreen' in this.el_)) {
return;
}
var endFn = function endFn() {
this.trigger('fullscreenchange', { isFullscreen: false });
};
var beginFn = function beginFn() {
if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
this.one('webkitendfullscreen', endFn);
this.trigger('fullscreenchange', { isFullscreen: true });
}
};
this.on('webkitbeginfullscreen', beginFn);
this.on('dispose', function () {
_this4.off('webkitbeginfullscreen', beginFn);
_this4.off('webkitendfullscreen', endFn);
});
};
/**
* Check if fullscreen is supported on the current playback device.
*
* @return {boolean}
* - True if fullscreen is supported.
* - False if fullscreen is not supported.
*/
Html5.prototype.supportsFullScreen = function supportsFullScreen() {
if (typeof this.el_.webkitEnterFullScreen === 'function') {
var userAgent = window_1.navigator && window_1.navigator.userAgent || '';
// Seems to be broken in Chromium/Chrome && Safari in Leopard
if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {
return true;
}
}
return false;
};
/**
* Request that the `HTML5` Tech enter fullscreen.
*/
Html5.prototype.enterFullScreen = function enterFullScreen() {
var video = this.el_;
if (video.paused && video.networkState <= video.HAVE_METADATA) {
// attempt to prime the video element for programmatic access
// this isn't necessary on the desktop but shouldn't hurt
this.el_.play();
// playing and pausing synchronously during the transition to fullscreen
// can get iOS ~6.1 devices into a play/pause loop
this.setTimeout(function () {
video.pause();
video.webkitEnterFullScreen();
}, 0);
} else {
video.webkitEnterFullScreen();
}
};
/**
* Request that the `HTML5` Tech exit fullscreen.
*/
Html5.prototype.exitFullScreen = function exitFullScreen() {
this.el_.webkitExitFullScreen();
};
/**
* A getter/setter for the `Html5` Tech's source object.
* > Note: Please use {@link Html5#setSource}
*
* @param {Tech~SourceObject} [src]
* The source object you want to set on the `HTML5` techs element.
*
* @return {Tech~SourceObject|undefined}
* - The current source object when a source is not passed in.
* - undefined when setting
*
* @deprecated Since version 5.
*/
Html5.prototype.src = function src(_src) {
if (_src === undefined) {
return this.el_.src;
}
// Setting src through `src` instead of `setSrc` will be deprecated
this.setSrc(_src);
};
/**
* Reset the tech by removing all sources and then calling
* {@link Html5.resetMediaElement}.
*/
Html5.prototype.reset = function reset() {
Html5.resetMediaElement(this.el_);
};
/**
* Get the current source on the `HTML5` Tech. Falls back to returning the source from
* the HTML5 media element.
*
* @return {Tech~SourceObject}
* The current source object from the HTML5 tech. With a fallback to the
* elements source.
*/
Html5.prototype.currentSrc = function currentSrc() {
if (this.currentSource_) {
return this.currentSource_.src;
}
return this.el_.currentSrc;
};
/**
* Set controls attribute for the HTML5 media Element.
*
* @param {string} val
* Value to set the controls attribute to
*/
Html5.prototype.setControls = function setControls(val) {
this.el_.controls = !!val;
};
/**
* Create and returns a remote {@link TextTrack} object.
*
* @param {string} kind
* `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
*
* @param {string} [label]
* Label to identify the text track
*
* @param {string} [language]
* Two letter language abbreviation
*
* @return {TextTrack}
* The TextTrack that gets created.
*/
Html5.prototype.addTextTrack = function addTextTrack(kind, label, language) {
if (!this.featuresNativeTextTracks) {
return _Tech.prototype.addTextTrack.call(this, kind, label, language);
}
return this.el_.addTextTrack(kind, label, language);
};
/**
* Creates either native TextTrack or an emulated TextTrack depending
* on the value of `featuresNativeTextTracks`
*
* @param {Object} options
* The object should contain the options to intialize the TextTrack with.
*
* @param {string} [options.kind]
* `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
*
* @param {string} [options.label].
* Label to identify the text track
*
* @param {string} [options.language]
* Two letter language abbreviation.
*
* @param {boolean} [options.default]
* Default this track to on.
*
* @param {string} [options.id]
* The internal id to assign this track.
*
* @param {string} [options.src]
* A source url for the track.
*
* @return {HTMLTrackElement}
* The track element that gets created.
*/
Html5.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
if (!this.featuresNativeTextTracks) {
return _Tech.prototype.createRemoteTextTrack.call(this, options);
}
var htmlTrackElement = document_1.createElement('track');
if (options.kind) {
htmlTrackElement.kind = options.kind;
}
if (options.label) {
htmlTrackElement.label = options.label;
}
if (options.language || options.srclang) {
htmlTrackElement.srclang = options.language || options.srclang;
}
if (options['default']) {
htmlTrackElement['default'] = options['default'];
}
if (options.id) {
htmlTrackElement.id = options.id;
}
if (options.src) {
htmlTrackElement.src = options.src;
}
return htmlTrackElement;
};
/**
* Creates a remote text track object and returns an html track element.
*
* @param {Object} options The object should contain values for
* kind, language, label, and src (location of the WebVTT file)
* @param {Boolean} [manualCleanup=true] if set to false, the TextTrack will be
* automatically removed from the video element whenever the source changes
* @return {HTMLTrackElement} An Html Track Element.
* This can be an emulated {@link HTMLTrackElement} or a native one.
* @deprecated The default value of the "manualCleanup" parameter will default
* to "false" in upcoming versions of Video.js
*/
Html5.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);
if (this.featuresNativeTextTracks) {
this.el().appendChild(htmlTrackElement);
}
return htmlTrackElement;
};
/**
* Remove remote `TextTrack` from `TextTrackList` object
*
* @param {TextTrack} track
* `TextTrack` object to remove
*/
Html5.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
_Tech.prototype.removeRemoteTextTrack.call(this, track);
if (this.featuresNativeTextTracks) {
var tracks = this.$$('track');
var i = tracks.length;
while (i--) {
if (track === tracks[i] || track === tracks[i].track) {
this.el().removeChild(tracks[i]);
}
}
}
};
/**
* Gets available media playback quality metrics as specified by the W3C's Media
* Playback Quality API.
*
* @see [Spec]{@link https://wicg.github.io/media-playback-quality}
*
* @return {Object}
* An object with supported media playback quality metrics
*/
Html5.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
if (typeof this.el().getVideoPlaybackQuality === 'function') {
return this.el().getVideoPlaybackQuality();
}
var videoPlaybackQuality = {};
if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
}
if (window_1.performance && typeof window_1.performance.now === 'function') {
videoPlaybackQuality.creationTime = window_1.performance.now();
} else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {
videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;
}
return videoPlaybackQuality;
};
return Html5;
}(Tech);
/* HTML5 Support Testing ---------------------------------------------------- */
if (isReal()) {
/**
* Element for testing browser HTML5 media capabilities
*
* @type {Element}
* @constant
* @private
*/
Html5.TEST_VID = document_1.createElement('video');
var track = document_1.createElement('track');
track.kind = 'captions';
track.srclang = 'en';
track.label = 'English';
Html5.TEST_VID.appendChild(track);
}
/**
* Check if HTML5 media is supported by this browser/device.
*
* @return {boolean}
* - True if HTML5 media is supported.
* - False if HTML5 media is not supported.
*/
Html5.isSupported = function () {
// IE9 with no Media Player is a LIAR! (#984)
try {
Html5.TEST_VID.volume = 0.5;
} catch (e) {
return false;
}
return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
};
/**
* Check if the tech can support the given type
*
* @param {string} type
* The mimetype to check
* @return {string} 'probably', 'maybe', or '' (empty string)
*/
Html5.canPlayType = function (type) {
return Html5.TEST_VID.canPlayType(type);
};
/**
* Check if the tech can support the given source
* @param {Object} srcObj
* The source object
* @param {Object} options
* The options passed to the tech
* @return {string} 'probably', 'maybe', or '' (empty string)
*/
Html5.canPlaySource = function (srcObj, options) {
return Html5.canPlayType(srcObj.type);
};
/**
* Check if the volume can be changed in this browser/device.
* Volume cannot be changed in a lot of mobile devices.
* Specifically, it can't be changed from 1 on iOS.
*
* @return {boolean}
* - True if volume can be controlled
* - False otherwise
*/
Html5.canControlVolume = function () {
// IE will error if Windows Media Player not installed #3315
try {
var volume = Html5.TEST_VID.volume;
Html5.TEST_VID.volume = volume / 2 + 0.1;
return volume !== Html5.TEST_VID.volume;
} catch (e) {
return false;
}
};
/**
* Check if the playback rate can be changed in this browser/device.
*
* @return {boolean}
* - True if playback rate can be controlled
* - False otherwise
*/
Html5.canControlPlaybackRate = function () {
// Playback rate API is implemented in Android Chrome, but doesn't do anything
// https://github.com/videojs/video.js/issues/3180
if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
return false;
}
// IE will error if Windows Media Player not installed #3315
try {
var playbackRate = Html5.TEST_VID.playbackRate;
Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
return playbackRate !== Html5.TEST_VID.playbackRate;
} catch (e) {
return false;
}
};
/**
* Check to see if native `TextTrack`s are supported by this browser/device.
*
* @return {boolean}
* - True if native `TextTrack`s are supported.
* - False otherwise
*/
Html5.supportsNativeTextTracks = function () {
return IS_ANY_SAFARI;
};
/**
* Check to see if native `VideoTrack`s are supported by this browser/device
*
* @return {boolean}
* - True if native `VideoTrack`s are supported.
* - False otherwise
*/
Html5.supportsNativeVideoTracks = function () {
return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
};
/**
* Check to see if native `AudioTrack`s are supported by this browser/device
*
* @return {boolean}
* - True if native `AudioTrack`s are supported.
* - False otherwise
*/
Html5.supportsNativeAudioTracks = function () {
return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
};
/**
* An array of events available on the Html5 tech.
*
* @private
* @type {Array}
*/
Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];
/**
* Boolean indicating whether the `Tech` supports volume control.
*
* @type {boolean}
* @default {@link Html5.canControlVolume}
*/
Html5.prototype.featuresVolumeControl = Html5.canControlVolume();
/**
* Boolean indicating whether the `Tech` supports changing the speed at which the media
* plays. Examples:
* - Set player to play 2x (twice) as fast
* - Set player to play 0.5x (half) as fast
*
* @type {boolean}
* @default {@link Html5.canControlPlaybackRate}
*/
Html5.prototype.featuresPlaybackRate = Html5.canControlPlaybackRate();
/**
* Boolean indicating whether the `HTML5` tech currently supports the media element
* moving in the DOM. iOS breaks if you move the media element, so this is set this to
* false there. Everywhere else this should be true.
*
* @type {boolean}
* @default
*/
Html5.prototype.movingMediaElementInDOM = !IS_IOS;
// TODO: Previous comment: No longer appears to be used. Can probably be removed.
// Is this true?
/**
* Boolean indicating whether the `HTML5` tech currently supports automatic media resize
* when going into fullscreen.
*
* @type {boolean}
* @default
*/
Html5.prototype.featuresFullscreenResize = true;
/**
* Boolean indicating whether the `HTML5` tech currently supports the progress event.
* If this is false, manual `progress` events will be triggred instead.
*
* @type {boolean}
* @default
*/
Html5.prototype.featuresProgressEvents = true;
/**
* Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
* If this is false, manual `timeupdate` events will be triggred instead.
*
* @default
*/
Html5.prototype.featuresTimeupdateEvents = true;
/**
* Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
*
* @type {boolean}
* @default {@link Html5.supportsNativeTextTracks}
*/
Html5.prototype.featuresNativeTextTracks = Html5.supportsNativeTextTracks();
/**
* Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
*
* @type {boolean}
* @default {@link Html5.supportsNativeVideoTracks}
*/
Html5.prototype.featuresNativeVideoTracks = Html5.supportsNativeVideoTracks();
/**
* Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
*
* @type {boolean}
* @default {@link Html5.supportsNativeAudioTracks}
*/
Html5.prototype.featuresNativeAudioTracks = Html5.supportsNativeAudioTracks();
// HTML5 Feature detection and Device Fixes --------------------------------- //
var canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;
var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i;
var mp4RE = /^video\/mp4/i;
Html5.patchCanPlayType = function () {
// Android 4.0 and above can play HLS to some extent but it reports being unable to do so
if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX) {
Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
if (type && mpegurlRE.test(type)) {
return 'maybe';
}
return canPlayType.call(this, type);
};
// Override Android 2.2 and less canPlayType method which is broken
} else if (IS_OLD_ANDROID) {
Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
if (type && mp4RE.test(type)) {
return 'maybe';
}
return canPlayType.call(this, type);
};
}
};
Html5.unpatchCanPlayType = function () {
var r = Html5.TEST_VID.constructor.prototype.canPlayType;
Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;
return r;
};
// by default, patch the media element
Html5.patchCanPlayType();
Html5.disposeMediaElement = function (el) {
if (!el) {
return;
}
if (el.parentNode) {
el.parentNode.removeChild(el);
}
// remove any child track or source nodes to prevent their loading
while (el.hasChildNodes()) {
el.removeChild(el.firstChild);
}
// remove any src reference. not setting `src=''` because that causes a warning
// in firefox
el.removeAttribute('src');
// force the media element to update its loading state by calling load()
// however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
if (typeof el.load === 'function') {
// wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
(function () {
try {
el.load();
} catch (e) {
// not supported
}
})();
}
};
Html5.resetMediaElement = function (el) {
if (!el) {
return;
}
var sources = el.querySelectorAll('source');
var i = sources.length;
while (i--) {
el.removeChild(sources[i]);
}
// remove any src reference.
// not setting `src=''` because that throws an error
el.removeAttribute('src');
if (typeof el.load === 'function') {
// wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
(function () {
try {
el.load();
} catch (e) {
// satisfy linter
}
})();
}
};
/* Native HTML5 element property wrapping ----------------------------------- */
// Wrap native boolean attributes with getters that check both property and attribute
// The list is as followed:
// muted, defaultMuted, autoplay, controls, loop, playsinline
[
/**
* Get the value of `muted` from the media element. `muted` indicates
* that the volume for the media should be set to silent. This does not actually change
* the `volume` attribute.
*
* @method Html5#muted
* @return {boolean}
* - True if the value of `volume` should be ignored and the audio set to silent.
* - False if the value of `volume` should be used.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
*/
'muted',
/**
* Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
* whether the media should start muted or not. Only changes the default state of the
* media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
* current state.
*
* @method Html5#defaultMuted
* @return {boolean}
* - The value of `defaultMuted` from the media element.
* - True indicates that the media should start muted.
* - False indicates that the media should not start muted
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
*/
'defaultMuted',
/**
* Get the value of `autoplay` from the media element. `autoplay` indicates
* that the media should start to play as soon as the page is ready.
*
* @method Html5#autoplay
* @return {boolean}
* - The value of `autoplay` from the media element.
* - True indicates that the media should start as soon as the page loads.
* - False indicates that the media should not start as soon as the page loads.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
*/
'autoplay',
/**
* Get the value of `controls` from the media element. `controls` indicates
* whether the native media controls should be shown or hidden.
*
* @method Html5#controls
* @return {boolean}
* - The value of `controls` from the media element.
* - True indicates that native controls should be showing.
* - False indicates that native controls should be hidden.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
*/
'controls',
/**
* Get the value of `loop` from the media element. `loop` indicates
* that the media should return to the start of the media and continue playing once
* it reaches the end.
*
* @method Html5#loop
* @return {boolean}
* - The value of `loop` from the media element.
* - True indicates that playback should seek back to start once
* the end of a media is reached.
* - False indicates that playback should not loop back to the start when the
* end of the media is reached.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
*/
'loop',
/**
* Get the value of `playsinline` from the media element. `playsinline` indicates
* to the browser that non-fullscreen playback is preferred when fullscreen
* playback is the native default, such as in iOS Safari.
*
* @method Html5#playsinline
* @return {boolean}
* - The value of `playsinline` from the media element.
* - True indicates that the media should play inline.
* - False indicates that the media should not play inline.
*
* @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
*/
'playsinline'].forEach(function (prop) {
Html5.prototype[prop] = function () {
return this.el_[prop] || this.el_.hasAttribute(prop);
};
});
// Wrap native boolean attributes with setters that set both property and attribute
// The list is as followed:
// setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
// setControls is special-cased above
[
/**
* Set the value of `muted` on the media element. `muted` indicates that the current
* audio level should be silent.
*
* @method Html5#setMuted
* @param {boolean} muted
* - True if the audio should be set to silent
* - False otherwise
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
*/
'muted',
/**
* Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
* audio level should be silent, but will only effect the muted level on intial playback..
*
* @method Html5.prototype.setDefaultMuted
* @param {boolean} defaultMuted
* - True if the audio should be set to silent
* - False otherwise
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
*/
'defaultMuted',
/**
* Set the value of `autoplay` on the media element. `autoplay` indicates
* that the media should start to play as soon as the page is ready.
*
* @method Html5#setAutoplay
* @param {boolean} autoplay
* - True indicates that the media should start as soon as the page loads.
* - False indicates that the media should not start as soon as the page loads.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
*/
'autoplay',
/**
* Set the value of `loop` on the media element. `loop` indicates
* that the media should return to the start of the media and continue playing once
* it reaches the end.
*
* @method Html5#setLoop
* @param {boolean} loop
* - True indicates that playback should seek back to start once
* the end of a media is reached.
* - False indicates that playback should not loop back to the start when the
* end of the media is reached.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
*/
'loop',
/**
* Set the value of `playsinline` from the media element. `playsinline` indicates
* to the browser that non-fullscreen playback is preferred when fullscreen
* playback is the native default, such as in iOS Safari.
*
* @method Html5#setPlaysinline
* @param {boolean} playsinline
* - True indicates that the media should play inline.
* - False indicates that the media should not play inline.
*
* @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
*/
'playsinline'].forEach(function (prop) {
Html5.prototype['set' + toTitleCase(prop)] = function (v) {
this.el_[prop] = v;
if (v) {
this.el_.setAttribute(prop, prop);
} else {
this.el_.removeAttribute(prop);
}
};
});
// Wrap native properties with a getter
// The list is as followed
// paused, currentTime, buffered, volume, poster, preload, error, seeking
// seekable, ended, playbackRate, defaultPlaybackRate, played, networkState
// readyState, videoWidth, videoHeight
[
/**
* Get the value of `paused` from the media element. `paused` indicates whether the media element
* is currently paused or not.
*
* @method Html5#paused
* @return {boolean}
* The value of `paused` from the media element.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
*/
'paused',
/**
* Get the value of `currentTime` from the media element. `currentTime` indicates
* the current second that the media is at in playback.
*
* @method Html5#currentTime
* @return {number}
* The value of `currentTime` from the media element.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
*/
'currentTime',
/**
* Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
* object that represents the parts of the media that are already downloaded and
* available for playback.
*
* @method Html5#buffered
* @return {TimeRange}
* The value of `buffered` from the media element.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
*/
'buffered',
/**
* Get the value of `volume` from the media element. `volume` indicates
* the current playback volume of audio for a media. `volume` will be a value from 0
* (silent) to 1 (loudest and default).
*
* @method Html5#volume
* @return {number}
* The value of `volume` from the media element. Value will be between 0-1.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
*/
'volume',
/**
* Get the value of `poster` from the media element. `poster` indicates
* that the url of an image file that can/will be shown when no media data is available.
*
* @method Html5#poster
* @return {string}
* The value of `poster` from the media element. Value will be a url to an
* image.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
*/
'poster',
/**
* Get the value of `preload` from the media element. `preload` indicates
* what should download before the media is interacted with. It can have the following
* values:
* - none: nothing should be downloaded
* - metadata: poster and the first few frames of the media may be downloaded to get
* media dimensions and other metadata
* - auto: allow the media and metadata for the media to be downloaded before
* interaction
*
* @method Html5#preload
* @return {string}
* The value of `preload` from the media element. Will be 'none', 'metadata',
* or 'auto'.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
*/
'preload',
/**
* Get the value of the `error` from the media element. `error` indicates any
* MediaError that may have occured during playback. If error returns null there is no
* current error.
*
* @method Html5#error
* @return {MediaError|null}
* The value of `error` from the media element. Will be `MediaError` if there
* is a current error and null otherwise.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
*/
'error',
/**
* Get the value of `seeking` from the media element. `seeking` indicates whether the
* media is currently seeking to a new position or not.
*
* @method Html5#seeking
* @return {boolean}
* - The value of `seeking` from the media element.
* - True indicates that the media is currently seeking to a new position.
* - Flase indicates that the media is not seeking to a new position at this time.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
*/
'seeking',
/**
* Get the value of `seekable` from the media element. `seekable` returns a
* `TimeRange` object indicating ranges of time that can currently be `seeked` to.
*
* @method Html5#seekable
* @return {TimeRange}
* The value of `seekable` from the media element. A `TimeRange` object
* indicating the current ranges of time that can be seeked to.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
*/
'seekable',
/**
* Get the value of `ended` from the media element. `ended` indicates whether
* the media has reached the end or not.
*
* @method Html5#ended
* @return {boolean}
* - The value of `ended` from the media element.
* - True indicates that the media has ended.
* - False indicates that the media has not ended.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
*/
'ended',
/**
* Get the value of `playbackRate` from the media element. `playbackRate` indicates
* the rate at which the media is currently playing back. Examples:
* - if playbackRate is set to 2, media will play twice as fast.
* - if playbackRate is set to 0.5, media will play half as fast.
*
* @method Html5#playbackRate
* @return {number}
* The value of `playbackRate` from the media element. A number indicating
* the current playback speed of the media, where 1 is normal speed.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
*/
'playbackRate',
/**
* Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
* the rate at which the media is currently playing back. This value will not indicate the current
* `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
*
* Examples:
* - if defaultPlaybackRate is set to 2, media will play twice as fast.
* - if defaultPlaybackRate is set to 0.5, media will play half as fast.
*
* @method Html5.prototype.defaultPlaybackRate
* @return {number}
* The value of `defaultPlaybackRate` from the media element. A number indicating
* the current playback speed of the media, where 1 is normal speed.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
*/
'defaultPlaybackRate',
/**
* Get the value of `played` from the media element. `played` returns a `TimeRange`
* object representing points in the media timeline that have been played.
*
* @method Html5#played
* @return {TimeRange}
* The value of `played` from the media element. A `TimeRange` object indicating
* the ranges of time that have been played.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
*/
'played',
/**
* Get the value of `networkState` from the media element. `networkState` indicates
* the current network state. It returns an enumeration from the following list:
* - 0: NETWORK_EMPTY
* - 1: NEWORK_IDLE
* - 2: NETWORK_LOADING
* - 3: NETWORK_NO_SOURCE
*
* @method Html5#networkState
* @return {number}
* The value of `networkState` from the media element. This will be a number
* from the list in the description.
*
* @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
*/
'networkState',
/**
* Get the value of `readyState` from the media element. `readyState` indicates
* the current state of the media element. It returns an enumeration from the
* following list:
* - 0: HAVE_NOTHING
* - 1: HAVE_METADATA
* - 2: HAVE_CURRENT_DATA
* - 3: HAVE_FUTURE_DATA
* - 4: HAVE_ENOUGH_DATA
*
* @method Html5#readyState
* @return {number}
* The value of `readyState` from the media element. This will be a number
* from the list in the description.
*
* @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
*/
'readyState',
/**
* Get the value of `videoWidth` from the video element. `videoWidth` indicates
* the current width of the video in css pixels.
*
* @method Html5#videoWidth
* @return {number}
* The value of `videoWidth` from the video element. This will be a number
* in css pixels.
*
* @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
*/
'videoWidth',
/**
* Get the value of `videoHeight` from the video element. `videoHeigth` indicates
* the current height of the video in css pixels.
*
* @method Html5#videoHeight
* @return {number}
* The value of `videoHeight` from the video element. This will be a number
* in css pixels.
*
* @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
*/
'videoHeight'].forEach(function (prop) {
Html5.prototype[prop] = function () {
return this.el_[prop];
};
});
// Wrap native properties with a setter in this format:
// set + toTitleCase(name)
// The list is as follows:
// setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate
[
/**
* Set the value of `volume` on the media element. `volume` indicates the current
* audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
* so on.
*
* @method Html5#setVolume
* @param {number} percentAsDecimal
* The volume percent as a decimal. Valid range is from 0-1.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
*/
'volume',
/**
* Set the value of `src` on the media element. `src` indicates the current
* {@link Tech~SourceObject} for the media.
*
* @method Html5#setSrc
* @param {Tech~SourceObject} src
* The source object to set as the current source.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
*/
'src',
/**
* Set the value of `poster` on the media element. `poster` is the url to
* an image file that can/will be shown when no media data is available.
*
* @method Html5#setPoster
* @param {string} poster
* The url to an image that should be used as the `poster` for the media
* element.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
*/
'poster',
/**
* Set the value of `preload` on the media element. `preload` indicates
* what should download before the media is interacted with. It can have the following
* values:
* - none: nothing should be downloaded
* - metadata: poster and the first few frames of the media may be downloaded to get
* media dimensions and other metadata
* - auto: allow the media and metadata for the media to be downloaded before
* interaction
*
* @method Html5#setPreload
* @param {string} preload
* The value of `preload` to set on the media element. Must be 'none', 'metadata',
* or 'auto'.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
*/
'preload',
/**
* Set the value of `playbackRate` on the media element. `playbackRate` indicates
* the rate at which the media should play back. Examples:
* - if playbackRate is set to 2, media will play twice as fast.
* - if playbackRate is set to 0.5, media will play half as fast.
*
* @method Html5#setPlaybackRate
* @return {number}
* The value of `playbackRate` from the media element. A number indicating
* the current playback speed of the media, where 1 is normal speed.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
*/
'playbackRate',
/**
* Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
* the rate at which the media should play back upon initial startup. Changing this value
* after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
*
* Example Values:
* - if playbackRate is set to 2, media will play twice as fast.
* - if playbackRate is set to 0.5, media will play half as fast.
*
* @method Html5.prototype.setDefaultPlaybackRate
* @return {number}
* The value of `defaultPlaybackRate` from the media element. A number indicating
* the current playback speed of the media, where 1 is normal speed.
*
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
*/
'defaultPlaybackRate'].forEach(function (prop) {
Html5.prototype['set' + toTitleCase(prop)] = function (v) {
this.el_[prop] = v;
};
});
// wrap native functions with a function
// The list is as follows:
// pause, load play
[
/**
* A wrapper around the media elements `pause` function. This will call the `HTML5`
* media elements `pause` function.
*
* @method Html5#pause
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
*/
'pause',
/**
* A wrapper around the media elements `load` function. This will call the `HTML5`s
* media element `load` function.
*
* @method Html5#load
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
*/
'load',
/**
* A wrapper around the media elements `play` function. This will call the `HTML5`s
* media element `play` function.
*
* @method Html5#play
* @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
*/
'play'].forEach(function (prop) {
Html5.prototype[prop] = function () {
return this.el_[prop]();
};
});
Tech.withSourceHandlers(Html5);
/**
* Native source handler for Html5, simply passes the source to the media element.
*
* @proprety {Tech~SourceObject} source
* The source object
*
* @proprety {Html5} tech
* The instance of the HTML5 tech.
*/
Html5.nativeSourceHandler = {};
/**
* Check if the media element can play the given mime type.
*
* @param {string} type
* The mimetype to check
*
* @return {string}
* 'probably', 'maybe', or '' (empty string)
*/
Html5.nativeSourceHandler.canPlayType = function (type) {
// IE9 on Windows 7 without MediaPlayer throws an error here
// https://github.com/videojs/video.js/issues/519
try {
return Html5.TEST_VID.canPlayType(type);
} catch (e) {
return '';
}
};
/**
* Check if the media element can handle a source natively.
*
* @param {Tech~SourceObject} source
* The source object
*
* @param {Object} [options]
* Options to be passed to the tech.
*
* @return {string}
* 'probably', 'maybe', or '' (empty string).
*/
Html5.nativeSourceHandler.canHandleSource = function (source, options) {
// If a type was provided we should rely on that
if (source.type) {
return Html5.nativeSourceHandler.canPlayType(source.type);
// If no type, fall back to checking 'video/[EXTENSION]'
} else if (source.src) {
var ext = getFileExtension(source.src);
return Html5.nativeSourceHandler.canPlayType('video/' + ext);
}
return '';
};
/**
* Pass the source to the native media element.
*
* @param {Tech~SourceObject} source
* The source object
*
* @param {Html5} tech
* The instance of the Html5 tech
*
* @param {Object} [options]
* The options to pass to the source
*/
Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
tech.setSrc(source.src);
};
/**
* A noop for the native dispose function, as cleanup is not needed.
*/
Html5.nativeSourceHandler.dispose = function () {};
// Register the native source handler
Html5.registerSourceHandler(Html5.nativeSourceHandler);
Tech.registerTech('Html5', Html5);
var _templateObject$1 = taggedTemplateLiteralLoose(['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n '], ['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n ']);
/**
* @file player.js
*/
// Subclasses Component
// The following imports are used only to ensure that the corresponding modules
// are always included in the video.js package. Importing the modules will
// execute them and they will register themselves with video.js.
// Import Html5 tech, at least for disposing the original video tag.
// The following tech events are simply re-triggered
// on the player when they happen
var TECH_EVENTS_RETRIGGER = [
/**
* Fired while the user agent is downloading media data.
*
* @event Player#progress
* @type {EventTarget~Event}
*/
/**
* Retrigger the `progress` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechProgress_
* @fires Player#progress
* @listens Tech#progress
*/
'progress',
/**
* Fires when the loading of an audio/video is aborted.
*
* @event Player#abort
* @type {EventTarget~Event}
*/
/**
* Retrigger the `abort` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechAbort_
* @fires Player#abort
* @listens Tech#abort
*/
'abort',
/**
* Fires when the browser is intentionally not getting media data.
*
* @event Player#suspend
* @type {EventTarget~Event}
*/
/**
* Retrigger the `suspend` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechSuspend_
* @fires Player#suspend
* @listens Tech#suspend
*/
'suspend',
/**
* Fires when the current playlist is empty.
*
* @event Player#emptied
* @type {EventTarget~Event}
*/
/**
* Retrigger the `emptied` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechEmptied_
* @fires Player#emptied
* @listens Tech#emptied
*/
'emptied',
/**
* Fires when the browser is trying to get media data, but data is not available.
*
* @event Player#stalled
* @type {EventTarget~Event}
*/
/**
* Retrigger the `stalled` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechStalled_
* @fires Player#stalled
* @listens Tech#stalled
*/
'stalled',
/**
* Fires when the browser has loaded meta data for the audio/video.
*
* @event Player#loadedmetadata
* @type {EventTarget~Event}
*/
/**
* Retrigger the `stalled` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechLoadedmetadata_
* @fires Player#loadedmetadata
* @listens Tech#loadedmetadata
*/
'loadedmetadata',
/**
* Fires when the browser has loaded the current frame of the audio/video.
*
* @event Player#loadeddata
* @type {event}
*/
/**
* Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechLoaddeddata_
* @fires Player#loadeddata
* @listens Tech#loadeddata
*/
'loadeddata',
/**
* Fires when the current playback position has changed.
*
* @event Player#timeupdate
* @type {event}
*/
/**
* Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechTimeUpdate_
* @fires Player#timeupdate
* @listens Tech#timeupdate
*/
'timeupdate',
/**
* Fires when the playing speed of the audio/video is changed
*
* @event Player#ratechange
* @type {event}
*/
/**
* Retrigger the `ratechange` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechRatechange_
* @fires Player#ratechange
* @listens Tech#ratechange
*/
'ratechange',
/**
* Fires when the video's intrinsic dimensions change
*
* @event Player#resize
* @type {event}
*/
/**
* Retrigger the `resize` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechResize_
* @fires Player#resize
* @listens Tech#resize
*/
'resize',
/**
* Fires when the volume has been changed
*
* @event Player#volumechange
* @type {event}
*/
/**
* Retrigger the `volumechange` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechVolumechange_
* @fires Player#volumechange
* @listens Tech#volumechange
*/
'volumechange',
/**
* Fires when the text track has been changed
*
* @event Player#texttrackchange
* @type {event}
*/
/**
* Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
*
* @private
* @method Player#handleTechTexttrackchange_
* @fires Player#texttrackchange
* @listens Tech#texttrackchange
*/
'texttrackchange'];
/**
* An instance of the `Player` class is created when any of the Video.js setup methods
* are used to initialize a video.
*
* After an instance has been created it can be accessed globally in two ways:
* 1. By calling `videojs('example_video_1');`
* 2. By using it directly via `videojs.players.example_video_1;`
*
* @extends Component
*/
var Player = function (_Component) {
inherits(Player, _Component);
/**
* Create an instance of this class.
*
* @param {Element} tag
* The original video DOM element used for configuring options.
*
* @param {Object} [options]
* Object of option names and values.
*
* @param {Component~ReadyCallback} [ready]
* Ready callback function.
*/
function Player(tag, options, ready) {
classCallCheck(this, Player);
// Make sure tag ID exists
tag.id = tag.id || 'vjs_video_' + newGUID();
// Set Options
// The options argument overrides options set in the video tag
// which overrides globally set options.
// This latter part coincides with the load order
// (tag must exist before Player)
options = assign(Player.getTagSettings(tag), options);
// Delay the initialization of children because we need to set up
// player properties first, and can't use `this` before `super()`
options.initChildren = false;
// Same with creating the element
options.createEl = false;
// don't auto mixin the evented mixin
options.evented = false;
// we don't want the player to report touch activity on itself
// see enableTouchActivity in Component
options.reportTouchActivity = false;
// If language is not set, get the closest lang attribute
if (!options.language) {
if (typeof tag.closest === 'function') {
var closest = tag.closest('[lang]');
if (closest && closest.getAttribute) {
options.language = closest.getAttribute('lang');
}
} else {
var element = tag;
while (element && element.nodeType === 1) {
if (getAttributes(element).hasOwnProperty('lang')) {
options.language = element.getAttribute('lang');
break;
}
element = element.parentNode;
}
}
}
// Run base component initializing with new options
// Turn off API access because we're loading a new tech that might load asynchronously
var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
_this.isReady_ = false;
// Init state hasStarted_
_this.hasStarted_ = false;
// Init state userActive_
_this.userActive_ = false;
// if the global option object was accidentally blown away by
// someone, bail early with an informative error
if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {
throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
}
// Store the original tag used to set options
_this.tag = tag;
// Store the tag attributes used to restore html5 element
_this.tagAttributes = tag && getAttributes(tag);
// Update current language
_this.language(_this.options_.language);
// Update Supported Languages
if (options.languages) {
// Normalise player option languages to lowercase
var languagesToLower = {};
Object.getOwnPropertyNames(options.languages).forEach(function (name$$1) {
languagesToLower[name$$1.toLowerCase()] = options.languages[name$$1];
});
_this.languages_ = languagesToLower;
} else {
_this.languages_ = Player.prototype.options_.languages;
}
// Cache for video property values.
_this.cache_ = {};
// Set poster
_this.poster_ = options.poster || '';
// Set controls
_this.controls_ = !!options.controls;
// Set default values for lastVolume
_this.cache_.lastVolume = 1;
// Original tag settings stored in options
// now remove immediately so native controls don't flash.
// May be turned back on by HTML5 tech if nativeControlsForTouch is true
tag.controls = false;
tag.removeAttribute('controls');
/*
* Store the internal state of scrubbing
*
* @private
* @return {Boolean} True if the user is scrubbing
*/
_this.scrubbing_ = false;
_this.el_ = _this.createEl();
// Make this an evented object and use `el_` as its event bus.
evented(_this, { eventBusKey: 'el_' });
// We also want to pass the original player options to each component and plugin
// as well so they don't need to reach back into the player for options later.
// We also need to do another copy of this.options_ so we don't end up with
// an infinite loop.
var playerOptionsCopy = mergeOptions(_this.options_);
// Load plugins
if (options.plugins) {
var plugins = options.plugins;
Object.keys(plugins).forEach(function (name$$1) {
if (typeof this[name$$1] === 'function') {
this[name$$1](plugins[name$$1]);
} else {
throw new Error('plugin "' + name$$1 + '" does not exist');
}
}, _this);
}
_this.options_.playerOptions = playerOptionsCopy;
_this.middleware_ = [];
_this.initChildren();
// Set isAudio based on whether or not an audio tag was used
_this.isAudio(tag.nodeName.toLowerCase() === 'audio');
// Update controls className. Can't do this when the controls are initially
// set because the element doesn't exist yet.
if (_this.controls()) {
_this.addClass('vjs-controls-enabled');
} else {
_this.addClass('vjs-controls-disabled');
}
// Set ARIA label and region role depending on player type
_this.el_.setAttribute('role', 'region');
if (_this.isAudio()) {
_this.el_.setAttribute('aria-label', _this.localize('Audio Player'));
} else {
_this.el_.setAttribute('aria-label', _this.localize('Video Player'));
}
if (_this.isAudio()) {
_this.addClass('vjs-audio');
}
if (_this.flexNotSupported_()) {
_this.addClass('vjs-no-flex');
}
// TODO: Make this smarter. Toggle user state between touching/mousing
// using events, since devices can have both touch and mouse events.
// if (browser.TOUCH_ENABLED) {
// this.addClass('vjs-touch-enabled');
// }
// iOS Safari has broken hover handling
if (!IS_IOS) {
_this.addClass('vjs-workinghover');
}
// Make player easily findable by ID
Player.players[_this.id_] = _this;
// Add a major version class to aid css in plugins
var majorVersion = version.split('.')[0];
_this.addClass('vjs-v' + majorVersion);
// When the player is first initialized, trigger activity so components
// like the control bar show themselves if needed
_this.userActive(true);
_this.reportUserActivity();
_this.listenForUserActivity_();
_this.on('fullscreenchange', _this.handleFullscreenChange_);
_this.on('stageclick', _this.handleStageClick_);
_this.changingSrc_ = false;
_this.playWaitingForReady_ = false;
_this.playOnLoadstart_ = null;
_this.forceAutoplayInChrome_();
return _this;
}
/**
* Destroys the video player and does any necessary cleanup.
*
* This is especially helpful if you are dynamically adding and removing videos
* to/from the DOM.
*
* @fires Player#dispose
*/
Player.prototype.dispose = function dispose() {
/**
* Called when the player is being disposed of.
*
* @event Player#dispose
* @type {EventTarget~Event}
*/
this.trigger('dispose');
// prevent dispose from being called twice
this.off('dispose');
if (this.styleEl_ && this.styleEl_.parentNode) {
this.styleEl_.parentNode.removeChild(this.styleEl_);
this.styleEl_ = null;
}
// Kill reference to this player
Player.players[this.id_] = null;
if (this.tag && this.tag.player) {
this.tag.player = null;
}
if (this.el_ && this.el_.player) {
this.el_.player = null;
}
if (this.tech_) {
this.tech_.dispose();
}
if (this.playerElIngest_) {
this.playerElIngest_ = null;
}
if (this.tag) {
this.tag = null;
}
// the actual .el_ is removed here
_Component.prototype.dispose.call(this);
};
/**
* Create the `Player`'s DOM element.
*
* @return {Element}
* The DOM element that gets created.
*/
Player.prototype.createEl = function createEl$$1() {
var tag = this.tag;
var el = void 0;
var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';
if (playerElIngest) {
el = this.el_ = tag.parentNode;
} else if (!divEmbed) {
el = this.el_ = _Component.prototype.createEl.call(this, 'div');
}
// Copy over all the attributes from the tag, including ID and class
// ID will now reference player box, not the video tag
var attrs = getAttributes(tag);
if (divEmbed) {
el = this.el_ = tag;
tag = this.tag = document_1.createElement('video');
while (el.children.length) {
tag.appendChild(el.firstChild);
}
if (!hasClass(el, 'video-js')) {
addClass(el, 'video-js');
}
el.appendChild(tag);
playerElIngest = this.playerElIngest_ = el;
}
// set tabindex to -1 so we could focus on the player element
tag.setAttribute('tabindex', '-1');
// Remove width/height attrs from tag so CSS can make it 100% width/height
tag.removeAttribute('width');
tag.removeAttribute('height');
Object.getOwnPropertyNames(attrs).forEach(function (attr) {
// workaround so we don't totally break IE7
// http://stackoverflow.com/questions/3653444/css-styles-not-applied-on-dynamic-elements-in-internet-explorer-7
if (attr === 'class') {
el.className += ' ' + attrs[attr];
if (divEmbed) {
tag.className += ' ' + attrs[attr];
}
} else {
el.setAttribute(attr, attrs[attr]);
if (divEmbed) {
tag.setAttribute(attr, attrs[attr]);
}
}
});
// Update tag id/class for use as HTML5 playback tech
// Might think we should do this after embedding in container so .vjs-tech class
// doesn't flash 100% width/height, but class only applies with .video-js parent
tag.playerId = tag.id;
tag.id += '_html5_api';
tag.className = 'vjs-tech';
// Make player findable on elements
tag.player = el.player = this;
// Default state of video is paused
this.addClass('vjs-paused');
// Add a style element in the player that we'll use to set the width/height
// of the player in a way that's still overrideable by CSS, just like the
// video element
if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
this.styleEl_ = createStyleElement('vjs-styles-dimensions');
var defaultsStyleEl = $('.vjs-styles-defaults');
var head = $('head');
head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
}
// Pass in the width/height/aspectRatio options which will update the style el
this.width(this.options_.width);
this.height(this.options_.height);
this.fluid(this.options_.fluid);
this.aspectRatio(this.options_.aspectRatio);
// Hide any links within the video/audio tag, because IE doesn't hide them completely.
var links = tag.getElementsByTagName('a');
for (var i = 0; i < links.length; i++) {
var linkEl = links.item(i);
addClass(linkEl, 'vjs-hidden');
linkEl.setAttribute('hidden', 'hidden');
}
// insertElFirst seems to cause the networkState to flicker from 3 to 2, so
// keep track of the original for later so we can know if the source originally failed
tag.initNetworkState_ = tag.networkState;
// Wrap video tag in div (el/box) container
if (tag.parentNode && !playerElIngest) {
tag.parentNode.insertBefore(el, tag);
}
// insert the tag as the first child of the player element
// then manually add it to the children array so that this.addChild
// will work properly for other components
//
// Breaks iPhone, fixed in HTML5 setup.
prependTo(tag, el);
this.children_.unshift(tag);
// Set lang attr on player to ensure CSS :lang() in consistent with player
// if it's been set to something different to the doc
this.el_.setAttribute('lang', this.language_);
this.el_ = el;
return el;
};
/**
* A getter/setter for the `Player`'s width. Returns the player's configured value.
* To get the current width use `currentWidth()`.
*
* @param {number} [value]
* The value to set the `Player`'s width to.
*
* @param {boolean} [skipListeners]
* Skip the playerresize event trigger
*
* @return {number}
* The current width of the `Player` when getting.
*/
Player.prototype.width = function width(value, skipListeners) {
return this.dimension('width', value, skipListeners);
};
/**
* A getter/setter for the `Player`'s height. Returns the player's configured value.
* To get the current height use `currentheight()`.
*
* @param {number} [value]
* The value to set the `Player`'s heigth to.
*
* @param {boolean} [skipListeners]
* Skip the playerresize event trigger
*
* @return {number}
* The current height of the `Player` when getting.
*/
Player.prototype.height = function height(value, skipListeners) {
return this.dimension('height', value, skipListeners);
};
/**
* A getter/setter for the `Player`'s width & height.
*
* @fires Player#playerresize
*
* @param {string} dimension
* This string can be:
* - 'width'
* - 'height'
*
* @param {number} [value]
* Value for dimension specified in the first argument.
*
* @param {boolean} [skipListeners]
* Skip the playerresize event trigger
*
* @return {number}
* The dimension arguments value when getting (width/height).
*/
Player.prototype.dimension = function dimension(_dimension, value, skipListeners) {
var privDimension = _dimension + '_';
if (value === undefined) {
return this[privDimension] || 0;
}
if (value === '') {
// If an empty string is given, reset the dimension to be automatic
this[privDimension] = undefined;
this.updateStyleEl_();
return;
}
var parsedVal = parseFloat(value);
if (isNaN(parsedVal)) {
log$1.error('Improper value "' + value + '" supplied for for ' + _dimension);
return;
}
this[privDimension] = parsedVal;
this.updateStyleEl_();
// skipListeners allows us to avoid triggering the resize event when setting both width and height
if (this.isReady_ && !skipListeners) {
/**
* Triggered when the player is resized.
*
* @event Player#playerresize
* @type {EventTarget~Event}
*/
this.trigger('playerresize');
}
};
/**
* A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
*
* @param {boolean} [bool]
* - A value of true adds the class.
* - A value of false removes the class.
* - No value will toggle the fluid class.
*
* @return {boolean|undefined}
* - The value of fluid when getting.
* - `undefined` when setting.
*/
Player.prototype.fluid = function fluid(bool) {
if (bool === undefined) {
return !!this.fluid_;
}
this.fluid_ = !!bool;
if (bool) {
this.addClass('vjs-fluid');
} else {
this.removeClass('vjs-fluid');
}
this.updateStyleEl_();
};
/**
* Get/Set the aspect ratio
*
* @param {string} [ratio]
* Aspect ratio for player
*
* @return {string|undefined}
* returns the current aspect ratio when getting
*/
/**
* A getter/setter for the `Player`'s aspect ratio.
*
* @param {string} [ratio]
* The value to set the `Player's aspect ratio to.
*
* @return {string|undefined}
* - The current aspect ratio of the `Player` when getting.
* - undefined when setting
*/
Player.prototype.aspectRatio = function aspectRatio(ratio) {
if (ratio === undefined) {
return this.aspectRatio_;
}
// Check for width:height format
if (!/^\d+\:\d+$/.test(ratio)) {
throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
}
this.aspectRatio_ = ratio;
// We're assuming if you set an aspect ratio you want fluid mode,
// because in fixed mode you could calculate width and height yourself.
this.fluid(true);
this.updateStyleEl_();
};
/**
* Update styles of the `Player` element (height, width and aspect ratio).
*
* @private
* @listens Tech#loadedmetadata
*/
Player.prototype.updateStyleEl_ = function updateStyleEl_() {
if (window_1.VIDEOJS_NO_DYNAMIC_STYLE === true) {
var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
var techEl = this.tech_ && this.tech_.el();
if (techEl) {
if (_width >= 0) {
techEl.width = _width;
}
if (_height >= 0) {
techEl.height = _height;
}
}
return;
}
var width = void 0;
var height = void 0;
var aspectRatio = void 0;
var idClass = void 0;
// The aspect ratio is either used directly or to calculate width and height.
if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
// Use any aspectRatio that's been specifically set
aspectRatio = this.aspectRatio_;
} else if (this.videoWidth() > 0) {
// Otherwise try to get the aspect ratio from the video metadata
aspectRatio = this.videoWidth() + ':' + this.videoHeight();
} else {
// Or use a default. The video element's is 2:1, but 16:9 is more common.
aspectRatio = '16:9';
}
// Get the ratio as a decimal we can use to calculate dimensions
var ratioParts = aspectRatio.split(':');
var ratioMultiplier = ratioParts[1] / ratioParts[0];
if (this.width_ !== undefined) {
// Use any width that's been specifically set
width = this.width_;
} else if (this.height_ !== undefined) {
// Or calulate the width from the aspect ratio if a height has been set
width = this.height_ / ratioMultiplier;
} else {
// Or use the video's metadata, or use the video el's default of 300
width = this.videoWidth() || 300;
}
if (this.height_ !== undefined) {
// Use any height that's been specifically set
height = this.height_;
} else {
// Otherwise calculate the height from the ratio and the width
height = width * ratioMultiplier;
}
// Ensure the CSS class is valid by starting with an alpha character
if (/^[^a-zA-Z]/.test(this.id())) {
idClass = 'dimensions-' + this.id();
} else {
idClass = this.id() + '-dimensions';
}
// Ensure the right class is still on the player for the style element
this.addClass(idClass);
setTextContent(this.styleEl_, '\n .' + idClass + ' {\n width: ' + width + 'px;\n height: ' + height + 'px;\n }\n\n .' + idClass + '.vjs-fluid {\n padding-top: ' + ratioMultiplier * 100 + '%;\n }\n ');
};
/**
* Load/Create an instance of playback {@link Tech} including element
* and API methods. Then append the `Tech` element in `Player` as a child.
*
* @param {string} techName
* name of the playback technology
*
* @param {string} source
* video source
*
* @private
*/
Player.prototype.loadTech_ = function loadTech_(techName, source) {
var _this2 = this;
// Pause and remove current playback technology
if (this.tech_) {
this.unloadTech_();
}
var titleTechName = toTitleCase(techName);
var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1);
// get rid of the HTML5 video tag as soon as we are using another tech
if (titleTechName !== 'Html5' && this.tag) {
Tech.getTech('Html5').disposeMediaElement(this.tag);
this.tag.player = null;
this.tag = null;
}
this.techName_ = titleTechName;
// Turn off API access because we're loading a new tech that might load asynchronously
this.isReady_ = false;
// Grab tech-specific options from player options and add source and parent element to use.
var techOptions = {
source: source,
'nativeControlsForTouch': this.options_.nativeControlsForTouch,
'playerId': this.id(),
'techId': this.id() + '_' + titleTechName + '_api',
'autoplay': this.options_.autoplay,
'playsinline': this.options_.playsinline,
'preload': this.options_.preload,
'loop': this.options_.loop,
'muted': this.options_.muted,
'poster': this.poster(),
'language': this.language(),
'playerElIngest': this.playerElIngest_ || false,
'vtt.js': this.options_['vtt.js']
};
ALL.names.forEach(function (name$$1) {
var props = ALL[name$$1];
techOptions[props.getterName] = _this2[props.privateName];
});
assign(techOptions, this.options_[titleTechName]);
assign(techOptions, this.options_[camelTechName]);
assign(techOptions, this.options_[techName.toLowerCase()]);
if (this.tag) {
techOptions.tag = this.tag;
}
if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
techOptions.startTime = this.cache_.currentTime;
}
// Initialize tech instance
var TechClass = Tech.getTech(techName);
if (!TechClass) {
throw new Error('No Tech named \'' + titleTechName + '\' exists! \'' + titleTechName + '\' should be registered using videojs.registerTech()\'');
}
this.tech_ = new TechClass(techOptions);
// player.triggerReady is always async, so don't need this to be async
this.tech_.ready(bind(this, this.handleTechReady_), true);
textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_);
// Listen to all HTML5-defined events and trigger them on the player
TECH_EVENTS_RETRIGGER.forEach(function (event) {
_this2.on(_this2.tech_, event, _this2['handleTech' + toTitleCase(event) + '_']);
});
this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);
this.on(this.tech_, 'waiting', this.handleTechWaiting_);
this.on(this.tech_, 'canplay', this.handleTechCanPlay_);
this.on(this.tech_, 'canplaythrough', this.handleTechCanPlayThrough_);
this.on(this.tech_, 'playing', this.handleTechPlaying_);
this.on(this.tech_, 'ended', this.handleTechEnded_);
this.on(this.tech_, 'seeking', this.handleTechSeeking_);
this.on(this.tech_, 'seeked', this.handleTechSeeked_);
this.on(this.tech_, 'play', this.handleTechPlay_);
this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);
this.on(this.tech_, 'pause', this.handleTechPause_);
this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);
this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);
this.on(this.tech_, 'error', this.handleTechError_);
this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);
this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);
this.on(this.tech_, 'textdata', this.handleTechTextData_);
this.usingNativeControls(this.techGet_('controls'));
if (this.controls() && !this.usingNativeControls()) {
this.addTechControlsListeners_();
}
// Add the tech element in the DOM if it was not already there
// Make sure to not insert the original video element if using Html5
if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
prependTo(this.tech_.el(), this.el());
}
// Get rid of the original video tag reference after the first tech is loaded
if (this.tag) {
this.tag.player = null;
this.tag = null;
}
};
/**
* Unload and dispose of the current playback {@link Tech}.
*
* @private
*/
Player.prototype.unloadTech_ = function unloadTech_() {
var _this3 = this;
// Save the current text tracks so that we can reuse the same text tracks with the next tech
ALL.names.forEach(function (name$$1) {
var props = ALL[name$$1];
_this3[props.privateName] = _this3[props.getterName]();
});
this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);
this.isReady_ = false;
this.tech_.dispose();
this.tech_ = false;
};
/**
* Return a reference to the current {@link Tech}.
* It will print a warning by default about the danger of using the tech directly
* but any argument that is passed in will silence the warning.
*
* @param {*} [safety]
* Anything passed in to silence the warning
*
* @return {Tech}
* The Tech
*/
Player.prototype.tech = function tech(safety) {
if (safety === undefined) {
log$1.warn(tsml(_templateObject$1));
}
return this.tech_;
};
/**
* Set up click and touch listeners for the playback element
*
* - On desktops: a click on the video itself will toggle playback
* - On mobile devices: a click on the video toggles controls
* which is done by toggling the user state between active and
* inactive
* - A tap can signal that a user has become active or has become inactive
* e.g. a quick tap on an iPhone movie should reveal the controls. Another
* quick tap should hide them again (signaling the user is in an inactive
* viewing state)
* - In addition to this, we still want the user to be considered inactive after
* a few seconds of inactivity.
*
* > Note: the only part of iOS interaction we can't mimic with this setup
* is a touch and hold on the video element counting as activity in order to
* keep the controls showing, but that shouldn't be an issue. A touch and hold
* on any controls will still keep the user active
*
* @private
*/
Player.prototype.addTechControlsListeners_ = function addTechControlsListeners_() {
// Make sure to remove all the previous listeners in case we are called multiple times.
this.removeTechControlsListeners_();
// Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do
// trigger mousedown/up.
// http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object
// Any touch events are set to block the mousedown event from happening
this.on(this.tech_, 'mousedown', this.handleTechClick_);
// If the controls were hidden we don't want that to change without a tap event
// so we'll check if the controls were already showing before reporting user
// activity
this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);
this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);
this.on(this.tech_, 'touchend', this.handleTechTouchEnd_);
// The tap listener needs to come after the touchend listener because the tap
// listener cancels out any reportedUserActivity when setting userActive(false)
this.on(this.tech_, 'tap', this.handleTechTap_);
};
/**
* Remove the listeners used for click and tap controls. This is needed for
* toggling to controls disabled, where a tap/touch should do nothing.
*
* @private
*/
Player.prototype.removeTechControlsListeners_ = function removeTechControlsListeners_() {
// We don't want to just use `this.off()` because there might be other needed
// listeners added by techs that extend this.
this.off(this.tech_, 'tap', this.handleTechTap_);
this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);
this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);
this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);
this.off(this.tech_, 'mousedown', this.handleTechClick_);
};
/**
* Player waits for the tech to be ready
*
* @private
*/
Player.prototype.handleTechReady_ = function handleTechReady_() {
this.triggerReady();
// Keep the same volume as before
if (this.cache_.volume) {
this.techCall_('setVolume', this.cache_.volume);
}
// Look if the tech found a higher resolution poster while loading
this.handleTechPosterChange_();
// Update the duration if available
this.handleTechDurationChange_();
// Chrome and Safari both have issues with autoplay.
// In Safari (5.1.1), when we move the video element into the container div, autoplay doesn't work.
// In Chrome (15), if you have autoplay + a poster + no controls, the video gets hidden (but audio plays)
// This fixes both issues. Need to wait for API, so it updates displays correctly
if ((this.src() || this.currentSrc()) && this.tag && this.options_.autoplay && this.paused()) {
try {
// Chrome Fix. Fixed in Chrome v16.
delete this.tag.poster;
} catch (e) {
log$1('deleting tag.poster throws in some browsers', e);
}
}
};
/**
* Retrigger the `loadstart` event that was triggered by the {@link Tech}. This
* function will also trigger {@link Player#firstplay} if it is the first loadstart
* for a video.
*
* @fires Player#loadstart
* @fires Player#firstplay
* @listens Tech#loadstart
* @private
*/
Player.prototype.handleTechLoadStart_ = function handleTechLoadStart_() {
// TODO: Update to use `emptied` event instead. See #1277.
this.removeClass('vjs-ended');
this.removeClass('vjs-seeking');
// reset the error state
this.error(null);
// If it's already playing we want to trigger a firstplay event now.
// The firstplay event relies on both the play and loadstart events
// which can happen in any order for a new source
if (!this.paused()) {
/**
* Fired when the user agent begins looking for media data
*
* @event Player#loadstart
* @type {EventTarget~Event}
*/
this.trigger('loadstart');
this.trigger('firstplay');
} else {
// reset the hasStarted state
this.hasStarted(false);
this.trigger('loadstart');
}
};
/**
* Add/remove the vjs-has-started class
*
* @fires Player#firstplay
*
* @param {boolean} request
* - true: adds the class
* - false: remove the class
*
* @return {boolean}
* the boolean value of hasStarted_
*/
Player.prototype.hasStarted = function hasStarted(request) {
if (request === undefined) {
// act as getter, if we have no request to change
return this.hasStarted_;
}
if (request === this.hasStarted_) {
return;
}
this.hasStarted_ = request;
if (this.hasStarted_) {
this.addClass('vjs-has-started');
this.trigger('firstplay');
} else {
this.removeClass('vjs-has-started');
}
};
/**
* Fired whenever the media begins or resumes playback
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
* @fires Player#play
* @listens Tech#play
* @private
*/
Player.prototype.handleTechPlay_ = function handleTechPlay_() {
this.removeClass('vjs-ended');
this.removeClass('vjs-paused');
this.addClass('vjs-playing');
// hide the poster when the user hits play
this.hasStarted(true);
/**
* Triggered whenever an {@link Tech#play} event happens. Indicates that
* playback has started or resumed.
*
* @event Player#play
* @type {EventTarget~Event}
*/
this.trigger('play');
};
/**
* Retrigger the `waiting` event that was triggered by the {@link Tech}.
*
* @fires Player#waiting
* @listens Tech#waiting
* @private
*/
Player.prototype.handleTechWaiting_ = function handleTechWaiting_() {
var _this4 = this;
this.addClass('vjs-waiting');
/**
* A readyState change on the DOM element has caused playback to stop.
*
* @event Player#waiting
* @type {EventTarget~Event}
*/
this.trigger('waiting');
this.one('timeupdate', function () {
return _this4.removeClass('vjs-waiting');
});
};
/**
* Retrigger the `canplay` event that was triggered by the {@link Tech}.
* > Note: This is not consistent between browsers. See #1351
*
* @fires Player#canplay
* @listens Tech#canplay
* @private
*/
Player.prototype.handleTechCanPlay_ = function handleTechCanPlay_() {
this.removeClass('vjs-waiting');
/**
* The media has a readyState of HAVE_FUTURE_DATA or greater.
*
* @event Player#canplay
* @type {EventTarget~Event}
*/
this.trigger('canplay');
};
/**
* Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
*
* @fires Player#canplaythrough
* @listens Tech#canplaythrough
* @private
*/
Player.prototype.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {
this.removeClass('vjs-waiting');
/**
* The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
* entire media file can be played without buffering.
*
* @event Player#canplaythrough
* @type {EventTarget~Event}
*/
this.trigger('canplaythrough');
};
/**
* Retrigger the `playing` event that was triggered by the {@link Tech}.
*
* @fires Player#playing
* @listens Tech#playing
* @private
*/
Player.prototype.handleTechPlaying_ = function handleTechPlaying_() {
this.removeClass('vjs-waiting');
/**
* The media is no longer blocked from playback, and has started playing.
*
* @event Player#playing
* @type {EventTarget~Event}
*/
this.trigger('playing');
};
/**
* Retrigger the `seeking` event that was triggered by the {@link Tech}.
*
* @fires Player#seeking
* @listens Tech#seeking
* @private
*/
Player.prototype.handleTechSeeking_ = function handleTechSeeking_() {
this.addClass('vjs-seeking');
/**
* Fired whenever the player is jumping to a new time
*
* @event Player#seeking
* @type {EventTarget~Event}
*/
this.trigger('seeking');
};
/**
* Retrigger the `seeked` event that was triggered by the {@link Tech}.
*
* @fires Player#seeked
* @listens Tech#seeked
* @private
*/
Player.prototype.handleTechSeeked_ = function handleTechSeeked_() {
this.removeClass('vjs-seeking');
/**
* Fired when the player has finished jumping to a new time
*
* @event Player#seeked
* @type {EventTarget~Event}
*/
this.trigger('seeked');
};
/**
* Retrigger the `firstplay` event that was triggered by the {@link Tech}.
*
* @fires Player#firstplay
* @listens Tech#firstplay
* @deprecated As of 6.0 firstplay event is deprecated.
* @deprecated As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.
* @private
*/
Player.prototype.handleTechFirstPlay_ = function handleTechFirstPlay_() {
// If the first starttime attribute is specified
// then we will start at the given offset in seconds
if (this.options_.starttime) {
log$1.warn('Passing the `starttime` option to the player will be deprecated in 6.0');
this.currentTime(this.options_.starttime);
}
this.addClass('vjs-has-started');
/**
* Fired the first time a video is played. Not part of the HLS spec, and this is
* probably not the best implementation yet, so use sparingly. If you don't have a
* reason to prevent playback, use `myPlayer.one('play');` instead.
*
* @event Player#firstplay
* @deprecated As of 6.0 firstplay event is deprecated.
* @type {EventTarget~Event}
*/
this.trigger('firstplay');
};
/**
* Retrigger the `pause` event that was triggered by the {@link Tech}.
*
* @fires Player#pause
* @listens Tech#pause
* @private
*/
Player.prototype.handleTechPause_ = function handleTechPause_() {
this.removeClass('vjs-playing');
this.addClass('vjs-paused');
/**
* Fired whenever the media has been paused
*
* @event Player#pause
* @type {EventTarget~Event}
*/
this.trigger('pause');
};
/**
* Retrigger the `ended` event that was triggered by the {@link Tech}.
*
* @fires Player#ended
* @listens Tech#ended
* @private
*/
Player.prototype.handleTechEnded_ = function handleTechEnded_() {
this.addClass('vjs-ended');
if (this.options_.loop) {
this.currentTime(0);
this.play();
} else if (!this.paused()) {
this.pause();
}
/**
* Fired when the end of the media resource is reached (currentTime == duration)
*
* @event Player#ended
* @type {EventTarget~Event}
*/
this.trigger('ended');
};
/**
* Fired when the duration of the media resource is first known or changed
*
* @listens Tech#durationchange
* @private
*/
Player.prototype.handleTechDurationChange_ = function handleTechDurationChange_() {
this.duration(this.techGet_('duration'));
};
/**
* Handle a click on the media element to play/pause
*
* @param {EventTarget~Event} event
* the event that caused this function to trigger
*
* @listens Tech#mousedown
* @private
*/
Player.prototype.handleTechClick_ = function handleTechClick_(event) {
if (!isSingleLeftClick(event)) {
return;
}
// When controls are disabled a click should not toggle playback because
// the click is considered a control
if (!this.controls_) {
return;
}
if (this.paused()) {
this.play();
} else {
this.pause();
}
};
/**
* Handle a tap on the media element. It will toggle the user
* activity state, which hides and shows the controls.
*
* @listens Tech#tap
* @private
*/
Player.prototype.handleTechTap_ = function handleTechTap_() {
this.userActive(!this.userActive());
};
/**
* Handle touch to start
*
* @listens Tech#touchstart
* @private
*/
Player.prototype.handleTechTouchStart_ = function handleTechTouchStart_() {
this.userWasActive = this.userActive();
};
/**
* Handle touch to move
*
* @listens Tech#touchmove
* @private
*/
Player.prototype.handleTechTouchMove_ = function handleTechTouchMove_() {
if (this.userWasActive) {
this.reportUserActivity();
}
};
/**
* Handle touch to end
*
* @param {EventTarget~Event} event
* the touchend event that triggered
* this function
*
* @listens Tech#touchend
* @private
*/
Player.prototype.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {
// Stop the mouse events from also happening
event.preventDefault();
};
/**
* Fired when the player switches in or out of fullscreen mode
*
* @private
* @listens Player#fullscreenchange
*/
Player.prototype.handleFullscreenChange_ = function handleFullscreenChange_() {
if (this.isFullscreen()) {
this.addClass('vjs-fullscreen');
} else {
this.removeClass('vjs-fullscreen');
}
};
/**
* native click events on the SWF aren't triggered on IE11, Win8.1RT
* use stageclick events triggered from inside the SWF instead
*
* @private
* @listens stageclick
*/
Player.prototype.handleStageClick_ = function handleStageClick_() {
this.reportUserActivity();
};
/**
* Handle Tech Fullscreen Change
*
* @param {EventTarget~Event} event
* the fullscreenchange event that triggered this function
*
* @param {Object} data
* the data that was sent with the event
*
* @private
* @listens Tech#fullscreenchange
* @fires Player#fullscreenchange
*/
Player.prototype.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {
if (data) {
this.isFullscreen(data.isFullscreen);
}
/**
* Fired when going in and out of fullscreen.
*
* @event Player#fullscreenchange
* @type {EventTarget~Event}
*/
this.trigger('fullscreenchange');
};
/**
* Fires when an error occurred during the loading of an audio/video.
*
* @private
* @listens Tech#error
*/
Player.prototype.handleTechError_ = function handleTechError_() {
var error = this.tech_.error();
this.error(error);
};
/**
* Retrigger the `textdata` event that was triggered by the {@link Tech}.
*
* @fires Player#textdata
* @listens Tech#textdata
* @private
*/
Player.prototype.handleTechTextData_ = function handleTechTextData_() {
var data = null;
if (arguments.length > 1) {
data = arguments[1];
}
/**
* Fires when we get a textdata event from tech
*
* @event Player#textdata
* @type {EventTarget~Event}
*/
this.trigger('textdata', data);
};
/**
* Get object for cached values.
*
* @return {Object}
* get the current object cache
*/
Player.prototype.getCache = function getCache() {
return this.cache_;
};
/**
* Pass values to the playback tech
*
* @param {string} [method]
* the method to call
*
* @param {Object} arg
* the argument to pass
*
* @private
*/
Player.prototype.techCall_ = function techCall_(method, arg) {
// If it's not ready yet, call method when it is
this.ready(function () {
if (method in allowedSetters) {
return set$1(this.middleware_, this.tech_, method, arg);
}
try {
if (this.tech_) {
this.tech_[method](arg);
}
} catch (e) {
log$1(e);
throw e;
}
}, true);
};
/**
* Get calls can't wait for the tech, and sometimes don't need to.
*
* @param {string} method
* Tech method
*
* @return {Function|undefined}
* the method or undefined
*
* @private
*/
Player.prototype.techGet_ = function techGet_(method) {
if (!this.tech_ || !this.tech_.isReady_) {
return;
}
if (method in allowedGetters) {
return get$1(this.middleware_, this.tech_, method);
}
// Flash likes to die and reload when you hide or reposition it.
// In these cases the object methods go away and we get errors.
// When that happens we'll catch the errors and inform tech that it's not ready any more.
try {
return this.tech_[method]();
} catch (e) {
// When building additional tech libs, an expected method may not be defined yet
if (this.tech_[method] === undefined) {
log$1('Video.js: ' + method + ' method not defined for ' + this.techName_ + ' playback technology.', e);
throw e;
}
// When a method isn't available on the object it throws a TypeError
if (e.name === 'TypeError') {
log$1('Video.js: ' + method + ' unavailable on ' + this.techName_ + ' playback technology element.', e);
this.tech_.isReady_ = false;
throw e;
}
// If error unknown, just log and throw
log$1(e);
throw e;
}
};
/**
* Attempt to begin playback at the first opportunity.
*
* @return {Promise|undefined}
* Returns a `Promise` only if the browser returns one and the player
* is ready to begin playback. For some browsers and all non-ready
* situations, this will return `undefined`.
*/
Player.prototype.play = function play() {
var _this5 = this;
// If this is called while we have a play queued up on a loadstart, remove
// that listener to avoid getting in a potentially bad state.
if (this.playOnLoadstart_) {
this.off('loadstart', this.playOnLoadstart_);
}
// If the player/tech is not ready, queue up another call to `play()` for
// when it is. This will loop back into this method for another attempt at
// playback when the tech is ready.
if (!this.isReady_) {
// Bail out if we're already waiting for `ready`!
if (this.playWaitingForReady_) {
return;
}
this.playWaitingForReady_ = true;
this.ready(function () {
_this5.playWaitingForReady_ = false;
silencePromise(_this5.play());
});
// If the player/tech is ready and we have a source, we can attempt playback.
} else if (!this.changingSrc_ && (this.src() || this.currentSrc())) {
return this.techGet_('play');
// If the tech is ready, but we do not have a source, we'll need to wait
// for both the `ready` and a `loadstart` when the source is finally
// resolved by middleware and set on the player.
//
// This can happen if `play()` is called while changing sources or before
// one has been set on the player.
} else {
this.playOnLoadstart_ = function () {
_this5.playOnLoadstart_ = null;
silencePromise(_this5.play());
};
this.one('loadstart', this.playOnLoadstart_);
}
};
/**
* Pause the video playback
*
* @return {Player}
* A reference to the player object this function was called on
*/
Player.prototype.pause = function pause() {
this.techCall_('pause');
};
/**
* Check if the player is paused or has yet to play
*
* @return {boolean}
* - false: if the media is currently playing
* - true: if media is not currently playing
*/
Player.prototype.paused = function paused() {
// The initial state of paused should be true (in Safari it's actually false)
return this.techGet_('paused') === false ? false : true;
};
/**
* Get a TimeRange object representing the current ranges of time that the user
* has played.
*
* @return {TimeRange}
* A time range object that represents all the increments of time that have
* been played.
*/
Player.prototype.played = function played() {
return this.techGet_('played') || createTimeRanges(0, 0);
};
/**
* Returns whether or not the user is "scrubbing". Scrubbing is
* when the user has clicked the progress bar handle and is
* dragging it along the progress bar.
*
* @param {boolean} [isScrubbing]
* wether the user is or is not scrubbing
*
* @return {boolean}
* The value of scrubbing when getting
*/
Player.prototype.scrubbing = function scrubbing(isScrubbing) {
if (typeof isScrubbing === 'undefined') {
return this.scrubbing_;
}
this.scrubbing_ = !!isScrubbing;
if (isScrubbing) {
this.addClass('vjs-scrubbing');
} else {
this.removeClass('vjs-scrubbing');
}
};
/**
* Get or set the current time (in seconds)
*
* @param {number|string} [seconds]
* The time to seek to in seconds
*
* @return {number}
* - the current time in seconds when getting
*/
Player.prototype.currentTime = function currentTime(seconds) {
if (typeof seconds !== 'undefined') {
if (seconds < 0) {
seconds = 0;
}
this.techCall_('setCurrentTime', seconds);
return;
}
// cache last currentTime and return. default to 0 seconds
//
// Caching the currentTime is meant to prevent a massive amount of reads on the tech's
// currentTime when scrubbing, but may not provide much performance benefit afterall.
// Should be tested. Also something has to read the actual current time or the cache will
// never get updated.
this.cache_.currentTime = this.techGet_('currentTime') || 0;
return this.cache_.currentTime;
};
/**
* Normally gets the length in time of the video in seconds;
* in all but the rarest use cases an argument will NOT be passed to the method
*
* > **NOTE**: The video must have started loading before the duration can be
* known, and in the case of Flash, may not be known until the video starts
* playing.
*
* @fires Player#durationchange
*
* @param {number} [seconds]
* The duration of the video to set in seconds
*
* @return {number}
* - The duration of the video in seconds when getting
*/
Player.prototype.duration = function duration(seconds) {
if (seconds === undefined) {
// return NaN if the duration is not known
return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
}
seconds = parseFloat(seconds);
// Standardize on Inifity for signaling video is live
if (seconds < 0) {
seconds = Infinity;
}
if (seconds !== this.cache_.duration) {
// Cache the last set value for optimized scrubbing (esp. Flash)
this.cache_.duration = seconds;
if (seconds === Infinity) {
this.addClass('vjs-live');
} else {
this.removeClass('vjs-live');
}
/**
* @event Player#durationchange
* @type {EventTarget~Event}
*/
this.trigger('durationchange');
}
};
/**
* Calculates how much time is left in the video. Not part
* of the native video API.
*
* @return {number}
* The time remaining in seconds
*/
Player.prototype.remainingTime = function remainingTime() {
return this.duration() - this.currentTime();
};
/**
* A remaining time function that is intented to be used when
* the time is to be displayed directly to the user.
*
* @return {number}
* The rounded time remaining in seconds
*/
Player.prototype.remainingTimeDisplay = function remainingTimeDisplay() {
return Math.floor(this.duration()) - Math.floor(this.currentTime());
};
//
// Kind of like an array of portions of the video that have been downloaded.
/**
* Get a TimeRange object with an array of the times of the video
* that have been downloaded. If you just want the percent of the
* video that's been downloaded, use bufferedPercent.
*
* @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
*
* @return {TimeRange}
* A mock TimeRange object (following HTML spec)
*/
Player.prototype.buffered = function buffered() {
var buffered = this.techGet_('buffered');
if (!buffered || !buffered.length) {
buffered = createTimeRanges(0, 0);
}
return buffered;
};
/**
* Get the percent (as a decimal) of the video that's been downloaded.
* This method is not a part of the native HTML video API.
*
* @return {number}
* A decimal between 0 and 1 representing the percent
* that is bufferred 0 being 0% and 1 being 100%
*/
Player.prototype.bufferedPercent = function bufferedPercent$$1() {
return bufferedPercent(this.buffered(), this.duration());
};
/**
* Get the ending time of the last buffered time range
* This is used in the progress bar to encapsulate all time ranges.
*
* @return {number}
* The end of the last buffered time range
*/
Player.prototype.bufferedEnd = function bufferedEnd() {
var buffered = this.buffered();
var duration = this.duration();
var end = buffered.end(buffered.length - 1);
if (end > duration) {
end = duration;
}
return end;
};
/**
* Get or set the current volume of the media
*
* @param {number} [percentAsDecimal]
* The new volume as a decimal percent:
* - 0 is muted/0%/off
* - 1.0 is 100%/full
* - 0.5 is half volume or 50%
*
* @return {number}
* The current volume as a percent when getting
*/
Player.prototype.volume = function volume(percentAsDecimal) {
var vol = void 0;
if (percentAsDecimal !== undefined) {
// Force value to between 0 and 1
vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
this.cache_.volume = vol;
this.techCall_('setVolume', vol);
if (vol > 0) {
this.lastVolume_(vol);
}
return;
}
// Default to 1 when returning current volume.
vol = parseFloat(this.techGet_('volume'));
return isNaN(vol) ? 1 : vol;
};
/**
* Get the current muted state, or turn mute on or off
*
* @param {boolean} [muted]
* - true to mute
* - false to unmute
*
* @return {boolean}
* - true if mute is on and getting
* - false if mute is off and getting
*/
Player.prototype.muted = function muted(_muted) {
if (_muted !== undefined) {
this.techCall_('setMuted', _muted);
return;
}
return this.techGet_('muted') || false;
};
/**
* Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
* indicates the state of muted on intial playback.
*
* ```js
* var myPlayer = videojs('some-player-id');
*
* myPlayer.src("http://www.example.com/path/to/video.mp4");
*
* // get, should be false
* console.log(myPlayer.defaultMuted());
* // set to true
* myPlayer.defaultMuted(true);
* // get should be true
* console.log(myPlayer.defaultMuted());
* ```
*
* @param {boolean} [defaultMuted]
* - true to mute
* - false to unmute
*
* @return {boolean|Player}
* - true if defaultMuted is on and getting
* - false if defaultMuted is off and getting
* - A reference to the current player when setting
*/
Player.prototype.defaultMuted = function defaultMuted(_defaultMuted) {
if (_defaultMuted !== undefined) {
return this.techCall_('setDefaultMuted', _defaultMuted);
}
return this.techGet_('defaultMuted') || false;
};
/**
* Get the last volume, or set it
*
* @param {number} [percentAsDecimal]
* The new last volume as a decimal percent:
* - 0 is muted/0%/off
* - 1.0 is 100%/full
* - 0.5 is half volume or 50%
*
* @return {number}
* the current value of lastVolume as a percent when getting
*
* @private
*/
Player.prototype.lastVolume_ = function lastVolume_(percentAsDecimal) {
if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
this.cache_.lastVolume = percentAsDecimal;
return;
}
return this.cache_.lastVolume;
};
/**
* Check if current tech can support native fullscreen
* (e.g. with built in controls like iOS, so not our flash swf)
*
* @return {boolean}
* if native fullscreen is supported
*/
Player.prototype.supportsFullScreen = function supportsFullScreen() {
return this.techGet_('supportsFullScreen') || false;
};
/**
* Check if the player is in fullscreen mode or tell the player that it
* is or is not in fullscreen mode.
*
* > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
* property and instead document.fullscreenElement is used. But isFullscreen is
* still a valuable property for internal player workings.
*
* @param {boolean} [isFS]
* Set the players current fullscreen state
*
* @return {boolean}
* - true if fullscreen is on and getting
* - false if fullscreen is off and getting
*/
Player.prototype.isFullscreen = function isFullscreen(isFS) {
if (isFS !== undefined) {
this.isFullscreen_ = !!isFS;
return;
}
return !!this.isFullscreen_;
};
/**
* Increase the size of the video to full screen
* In some browsers, full screen is not supported natively, so it enters
* "full window mode", where the video fills the browser window.
* In browsers and devices that support native full screen, sometimes the
* browser's default controls will be shown, and not the Video.js custom skin.
* This includes most mobile devices (iOS, Android) and older versions of
* Safari.
*
* @fires Player#fullscreenchange
*/
Player.prototype.requestFullscreen = function requestFullscreen() {
var fsApi = FullscreenApi;
this.isFullscreen(true);
if (fsApi.requestFullscreen) {
// the browser supports going fullscreen at the element level so we can
// take the controls fullscreen as well as the video
// Trigger fullscreenchange event after change
// We have to specifically add this each time, and remove
// when canceling fullscreen. Otherwise if there's multiple
// players on a page, they would all be reacting to the same fullscreen
// events
on(document_1, fsApi.fullscreenchange, bind(this, function documentFullscreenChange(e) {
this.isFullscreen(document_1[fsApi.fullscreenElement]);
// If cancelling fullscreen, remove event listener.
if (this.isFullscreen() === false) {
off(document_1, fsApi.fullscreenchange, documentFullscreenChange);
}
/**
* @event Player#fullscreenchange
* @type {EventTarget~Event}
*/
this.trigger('fullscreenchange');
}));
this.el_[fsApi.requestFullscreen]();
} else if (this.tech_.supportsFullScreen()) {
// we can't take the video.js controls fullscreen but we can go fullscreen
// with native controls
this.techCall_('enterFullScreen');
} else {
// fullscreen isn't supported so we'll just stretch the video element to
// fill the viewport
this.enterFullWindow();
/**
* @event Player#fullscreenchange
* @type {EventTarget~Event}
*/
this.trigger('fullscreenchange');
}
};
/**
* Return the video to its normal size after having been in full screen mode
*
* @fires Player#fullscreenchange
*/
Player.prototype.exitFullscreen = function exitFullscreen() {
var fsApi = FullscreenApi;
this.isFullscreen(false);
// Check for browser element fullscreen support
if (fsApi.requestFullscreen) {
document_1[fsApi.exitFullscreen]();
} else if (this.tech_.supportsFullScreen()) {
this.techCall_('exitFullScreen');
} else {
this.exitFullWindow();
/**
* @event Player#fullscreenchange
* @type {EventTarget~Event}
*/
this.trigger('fullscreenchange');
}
};
/**
* When fullscreen isn't supported we can stretch the
* video container to as wide as the browser will let us.
*
* @fires Player#enterFullWindow
*/
Player.prototype.enterFullWindow = function enterFullWindow() {
this.isFullWindow = true;
// Storing original doc overflow value to return to when fullscreen is off
this.docOrigOverflow = document_1.documentElement.style.overflow;
// Add listener for esc key to exit fullscreen
on(document_1, 'keydown', bind(this, this.fullWindowOnEscKey));
// Hide any scroll bars
document_1.documentElement.style.overflow = 'hidden';
// Apply fullscreen styles
addClass(document_1.body, 'vjs-full-window');
/**
* @event Player#enterFullWindow
* @type {EventTarget~Event}
*/
this.trigger('enterFullWindow');
};
/**
* Check for call to either exit full window or
* full screen on ESC key
*
* @param {string} event
* Event to check for key press
*/
Player.prototype.fullWindowOnEscKey = function fullWindowOnEscKey(event) {
if (event.keyCode === 27) {
if (this.isFullscreen() === true) {
this.exitFullscreen();
} else {
this.exitFullWindow();
}
}
};
/**
* Exit full window
*
* @fires Player#exitFullWindow
*/
Player.prototype.exitFullWindow = function exitFullWindow() {
this.isFullWindow = false;
off(document_1, 'keydown', this.fullWindowOnEscKey);
// Unhide scroll bars.
document_1.documentElement.style.overflow = this.docOrigOverflow;
// Remove fullscreen styles
removeClass(document_1.body, 'vjs-full-window');
// Resize the box, controller, and poster to original sizes
// this.positionAll();
/**
* @event Player#exitFullWindow
* @type {EventTarget~Event}
*/
this.trigger('exitFullWindow');
};
/**
* Check whether the player can play a given mimetype
*
* @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
*
* @param {string} type
* The mimetype to check
*
* @return {string}
* 'probably', 'maybe', or '' (empty string)
*/
Player.prototype.canPlayType = function canPlayType(type) {
var can = void 0;
// Loop through each playback technology in the options order
for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {
var techName = j[i];
var tech = Tech.getTech(techName);
// Support old behavior of techs being registered as components.
// Remove once that deprecated behavior is removed.
if (!tech) {
tech = Component.getComponent(techName);
}
// Check if the current tech is defined before continuing
if (!tech) {
log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
continue;
}
// Check if the browser supports this technology
if (tech.isSupported()) {
can = tech.canPlayType(type);
if (can) {
return can;
}
}
}
return '';
};
/**
* Select source based on tech-order or source-order
* Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
* defaults to tech-order selection
*
* @param {Array} sources
* The sources for a media asset
*
* @return {Object|boolean}
* Object of source and tech order or false
*/
Player.prototype.selectSource = function selectSource(sources) {
var _this6 = this;
// Get only the techs specified in `techOrder` that exist and are supported by the
// current platform
var techs = this.options_.techOrder.map(function (techName) {
return [techName, Tech.getTech(techName)];
}).filter(function (_ref) {
var techName = _ref[0],
tech = _ref[1];
// Check if the current tech is defined before continuing
if (tech) {
// Check if the browser supports this technology
return tech.isSupported();
}
log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
return false;
});
// Iterate over each `innerArray` element once per `outerArray` element and execute
// `tester` with both. If `tester` returns a non-falsy value, exit early and return
// that value.
var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {
var found = void 0;
outerArray.some(function (outerChoice) {
return innerArray.some(function (innerChoice) {
found = tester(outerChoice, innerChoice);
if (found) {
return true;
}
});
});
return found;
};
var foundSourceAndTech = void 0;
var flip = function flip(fn) {
return function (a, b) {
return fn(b, a);
};
};
var finder = function finder(_ref2, source) {
var techName = _ref2[0],
tech = _ref2[1];
if (tech.canPlaySource(source, _this6.options_[techName.toLowerCase()])) {
return { source: source, tech: techName };
}
};
// Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
// to select from them based on their priority.
if (this.options_.sourceOrder) {
// Source-first ordering
foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
} else {
// Tech-first ordering
foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
}
return foundSourceAndTech || false;
};
/**
* Get or set the video source.
*
* @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
* A SourceObject, an array of SourceObjects, or a string referencing
* a URL to a media source. It is _highly recommended_ that an object
* or array of objects is used here, so that source selection
* algorithms can take the `type` into account.
*
* If not provided, this method acts as a getter.
*
* @return {string|undefined}
* If the `source` argument is missing, returns the current source
* URL. Otherwise, returns nothing/undefined.
*/
Player.prototype.src = function src(source) {
var _this7 = this;
// getter usage
if (typeof source === 'undefined') {
return this.cache_.src || '';
}
// filter out invalid sources and turn our source into
// an array of source objects
var sources = filterSource(source);
// if a source was passed in then it is invalid because
// it was filtered to a zero length Array. So we have to
// show an error
if (!sources.length) {
this.setTimeout(function () {
this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
}, 0);
return;
}
// intial sources
this.cache_.sources = sources;
this.changingSrc_ = true;
// intial source
this.cache_.source = sources[0];
// middlewareSource is the source after it has been changed by middleware
setSource(this, sources[0], function (middlewareSource, mws) {
_this7.middleware_ = mws;
var err = _this7.src_(middlewareSource);
if (err) {
if (sources.length > 1) {
return _this7.src(sources.slice(1));
}
// We need to wrap this in a timeout to give folks a chance to add error event handlers
_this7.setTimeout(function () {
this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) });
}, 0);
// we could not find an appropriate tech, but let's still notify the delegate that this is it
// this needs a better comment about why this is needed
_this7.triggerReady();
return;
}
_this7.changingSrc_ = false;
// video element listed source
_this7.cache_.src = middlewareSource.src;
setTech(mws, _this7.tech_);
});
};
/**
* Set the source object on the tech, returns a boolean that indicates wether
* there is a tech that can play the source or not
*
* @param {Tech~SourceObject} source
* The source object to set on the Tech
*
* @return {Boolean}
* - True if there is no Tech to playback this source
* - False otherwise
*
* @private
*/
Player.prototype.src_ = function src_(source) {
var sourceTech = this.selectSource([source]);
if (!sourceTech) {
return true;
}
if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
this.changingSrc_ = true;
// load this technology with the chosen source
this.loadTech_(sourceTech.tech, sourceTech.source);
return false;
}
// wait until the tech is ready to set the source
this.ready(function () {
// The setSource tech method was added with source handlers
// so older techs won't support it
// We need to check the direct prototype for the case where subclasses
// of the tech do not support source handlers
if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
this.techCall_('setSource', source);
} else {
this.techCall_('src', source.src);
}
if (this.options_.preload === 'auto') {
this.load();
}
// Set the source synchronously if possible (#2326)
}, true);
return false;
};
/**
* Begin loading the src data.
*/
Player.prototype.load = function load() {
this.techCall_('load');
};
/**
* Reset the player. Loads the first tech in the techOrder,
* and calls `reset` on the tech`.
*/
Player.prototype.reset = function reset() {
this.loadTech_(this.options_.techOrder[0], null);
this.techCall_('reset');
};
/**
* Returns all of the current source objects.
*
* @return {Tech~SourceObject[]}
* The current source objects
*/
Player.prototype.currentSources = function currentSources() {
var source = this.currentSource();
var sources = [];
// assume `{}` or `{ src }`
if (Object.keys(source).length !== 0) {
sources.push(source);
}
return this.cache_.sources || sources;
};
/**
* Returns the current source object.
*
* @return {Tech~SourceObject}
* The current source object
*/
Player.prototype.currentSource = function currentSource() {
return this.cache_.source || {};
};
/**
* Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
* Can be used in conjuction with `currentType` to assist in rebuilding the current source object.
*
* @return {string}
* The current source
*/
Player.prototype.currentSrc = function currentSrc() {
return this.currentSource() && this.currentSource().src || '';
};
/**
* Get the current source type e.g. video/mp4
* This can allow you rebuild the current source object so that you could load the same
* source and tech later
*
* @return {string}
* The source MIME type
*/
Player.prototype.currentType = function currentType() {
return this.currentSource() && this.currentSource().type || '';
};
/**
* Get or set the preload attribute
*
* @param {boolean} [value]
* - true means that we should preload
* - false maens that we should not preload
*
* @return {string}
* The preload attribute value when getting
*/
Player.prototype.preload = function preload(value) {
if (value !== undefined) {
this.techCall_('setPreload', value);
this.options_.preload = value;
return;
}
return this.techGet_('preload');
};
/**
* Get or set the autoplay attribute.
*
* @param {boolean} [value]
* - true means that we should autoplay
* - false means that we should not autoplay
*
* @return {string}
* The current value of autoplay when getting
*/
Player.prototype.autoplay = function autoplay(value) {
if (value !== undefined) {
this.techCall_('setAutoplay', value);
this.options_.autoplay = value;
this.ready(this.forceAutoplayInChrome_);
return;
}
return this.techGet_('autoplay', value);
};
/**
* chrome started pausing the video when moving in the DOM
* causing autoplay to not continue due to how Video.js functions.
* See #4720 for more info.
*
* @private
*/
Player.prototype.forceAutoplayInChrome_ = function forceAutoplayInChrome_() {
if (this.paused() && (
// read from the video element or options
this.autoplay() || this.options_.autoplay) &&
// only target desktop chrome
IS_CHROME && !IS_ANDROID) {
this.play();
}
};
/**
* Set or unset the playsinline attribute.
* Playsinline tells the browser that non-fullscreen playback is preferred.
*
* @param {boolean} [value]
* - true means that we should try to play inline by default
* - false means that we should use the browser's default playback mode,
* which in most cases is inline. iOS Safari is a notable exception
* and plays fullscreen by default.
*
* @return {string|Player}
* - the current value of playsinline
* - the player when setting
*
* @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
*/
Player.prototype.playsinline = function playsinline(value) {
if (value !== undefined) {
this.techCall_('setPlaysinline', value);
this.options_.playsinline = value;
return this;
}
return this.techGet_('playsinline');
};
/**
* Get or set the loop attribute on the video element.
*
* @param {boolean} [value]
* - true means that we should loop the video
* - false means that we should not loop the video
*
* @return {string}
* The current value of loop when getting
*/
Player.prototype.loop = function loop(value) {
if (value !== undefined) {
this.techCall_('setLoop', value);
this.options_.loop = value;
return;
}
return this.techGet_('loop');
};
/**
* Get or set the poster image source url
*
* @fires Player#posterchange
*
* @param {string} [src]
* Poster image source URL
*
* @return {string}
* The current value of poster when getting
*/
Player.prototype.poster = function poster(src) {
if (src === undefined) {
return this.poster_;
}
// The correct way to remove a poster is to set as an empty string
// other falsey values will throw errors
if (!src) {
src = '';
}
// update the internal poster variable
this.poster_ = src;
// update the tech's poster
this.techCall_('setPoster', src);
// alert components that the poster has been set
/**
* This event fires when the poster image is changed on the player.
*
* @event Player#posterchange
* @type {EventTarget~Event}
*/
this.trigger('posterchange');
};
/**
* Some techs (e.g. YouTube) can provide a poster source in an
* asynchronous way. We want the poster component to use this
* poster source so that it covers up the tech's controls.
* (YouTube's play button). However we only want to use this
* source if the player user hasn't set a poster through
* the normal APIs.
*
* @fires Player#posterchange
* @listens Tech#posterchange
* @private
*/
Player.prototype.handleTechPosterChange_ = function handleTechPosterChange_() {
if (!this.poster_ && this.tech_ && this.tech_.poster) {
this.poster_ = this.tech_.poster() || '';
// Let components know the poster has changed
this.trigger('posterchange');
}
};
/**
* Get or set whether or not the controls are showing.
*
* @fires Player#controlsenabled
*
* @param {boolean} [bool]
* - true to turn controls on
* - false to turn controls off
*
* @return {boolean}
* The current value of controls when getting
*/
Player.prototype.controls = function controls(bool) {
if (bool === undefined) {
return !!this.controls_;
}
bool = !!bool;
// Don't trigger a change event unless it actually changed
if (this.controls_ === bool) {
return;
}
this.controls_ = bool;
if (this.usingNativeControls()) {
this.techCall_('setControls', bool);
}
if (this.controls_) {
this.removeClass('vjs-controls-disabled');
this.addClass('vjs-controls-enabled');
/**
* @event Player#controlsenabled
* @type {EventTarget~Event}
*/
this.trigger('controlsenabled');
if (!this.usingNativeControls()) {
this.addTechControlsListeners_();
}
} else {
this.removeClass('vjs-controls-enabled');
this.addClass('vjs-controls-disabled');
/**
* @event Player#controlsdisabled
* @type {EventTarget~Event}
*/
this.trigger('controlsdisabled');
if (!this.usingNativeControls()) {
this.removeTechControlsListeners_();
}
}
};
/**
* Toggle native controls on/off. Native controls are the controls built into
* devices (e.g. default iPhone controls), Flash, or other techs
* (e.g. Vimeo Controls)
* **This should only be set by the current tech, because only the tech knows
* if it can support native controls**
*
* @fires Player#usingnativecontrols
* @fires Player#usingcustomcontrols
*
* @param {boolean} [bool]
* - true to turn native controls on
* - false to turn native controls off
*
* @return {boolean}
* The current value of native controls when getting
*/
Player.prototype.usingNativeControls = function usingNativeControls(bool) {
if (bool === undefined) {
return !!this.usingNativeControls_;
}
bool = !!bool;
// Don't trigger a change event unless it actually changed
if (this.usingNativeControls_ === bool) {
return;
}
this.usingNativeControls_ = bool;
if (this.usingNativeControls_) {
this.addClass('vjs-using-native-controls');
/**
* player is using the native device controls
*
* @event Player#usingnativecontrols
* @type {EventTarget~Event}
*/
this.trigger('usingnativecontrols');
} else {
this.removeClass('vjs-using-native-controls');
/**
* player is using the custom HTML controls
*
* @event Player#usingcustomcontrols
* @type {EventTarget~Event}
*/
this.trigger('usingcustomcontrols');
}
};
/**
* Set or get the current MediaError
*
* @fires Player#error
*
* @param {MediaError|string|number} [err]
* A MediaError or a string/number to be turned
* into a MediaError
*
* @return {MediaError|null}
* The current MediaError when getting (or null)
*/
Player.prototype.error = function error(err) {
if (err === undefined) {
return this.error_ || null;
}
// restoring to default
if (err === null) {
this.error_ = err;
this.removeClass('vjs-error');
if (this.errorDisplay) {
this.errorDisplay.close();
}
return;
}
this.error_ = new MediaError(err);
// add the vjs-error classname to the player
this.addClass('vjs-error');
// log the name of the error type and any message
// ie8 just logs "[object object]" if you just log the error object
log$1.error('(CODE:' + this.error_.code + ' ' + MediaError.errorTypes[this.error_.code] + ')', this.error_.message, this.error_);
/**
* @event Player#error
* @type {EventTarget~Event}
*/
this.trigger('error');
return;
};
/**
* Report user activity
*
* @param {Object} event
* Event object
*/
Player.prototype.reportUserActivity = function reportUserActivity(event) {
this.userActivity_ = true;
};
/**
* Get/set if user is active
*
* @fires Player#useractive
* @fires Player#userinactive
*
* @param {boolean} [bool]
* - true if the user is active
* - false if the user is inactive
*
* @return {boolean}
* The current value of userActive when getting
*/
Player.prototype.userActive = function userActive(bool) {
if (bool === undefined) {
return this.userActive_;
}
bool = !!bool;
if (bool === this.userActive_) {
return;
}
this.userActive_ = bool;
if (this.userActive_) {
this.userActivity_ = true;
this.removeClass('vjs-user-inactive');
this.addClass('vjs-user-active');
/**
* @event Player#useractive
* @type {EventTarget~Event}
*/
this.trigger('useractive');
return;
}
// Chrome/Safari/IE have bugs where when you change the cursor it can
// trigger a mousemove event. This causes an issue when you're hiding
// the cursor when the user is inactive, and a mousemove signals user
// activity. Making it impossible to go into inactive mode. Specifically
// this happens in fullscreen when we really need to hide the cursor.
//
// When this gets resolved in ALL browsers it can be removed
// https://code.google.com/p/chromium/issues/detail?id=103041
if (this.tech_) {
this.tech_.one('mousemove', function (e) {
e.stopPropagation();
e.preventDefault();
});
}
this.userActivity_ = false;
this.removeClass('vjs-user-active');
this.addClass('vjs-user-inactive');
/**
* @event Player#userinactive
* @type {EventTarget~Event}
*/
this.trigger('userinactive');
};
/**
* Listen for user activity based on timeout value
*
* @private
*/
Player.prototype.listenForUserActivity_ = function listenForUserActivity_() {
var mouseInProgress = void 0;
var lastMoveX = void 0;
var lastMoveY = void 0;
var handleActivity = bind(this, this.reportUserActivity);
var handleMouseMove = function handleMouseMove(e) {
// #1068 - Prevent mousemove spamming
// Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
lastMoveX = e.screenX;
lastMoveY = e.screenY;
handleActivity();
}
};
var handleMouseDown = function handleMouseDown() {
handleActivity();
// For as long as the they are touching the device or have their mouse down,
// we consider them active even if they're not moving their finger or mouse.
// So we want to continue to update that they are active
this.clearInterval(mouseInProgress);
// Setting userActivity=true now and setting the interval to the same time
// as the activityCheck interval (250) should ensure we never miss the
// next activityCheck
mouseInProgress = this.setInterval(handleActivity, 250);
};
var handleMouseUp = function handleMouseUp(event) {
handleActivity();
// Stop the interval that maintains activity if the mouse/touch is down
this.clearInterval(mouseInProgress);
};
// Any mouse movement will be considered user activity
this.on('mousedown', handleMouseDown);
this.on('mousemove', handleMouseMove);
this.on('mouseup', handleMouseUp);
// Listen for keyboard navigation
// Shouldn't need to use inProgress interval because of key repeat
this.on('keydown', handleActivity);
this.on('keyup', handleActivity);
// Run an interval every 250 milliseconds instead of stuffing everything into
// the mousemove/touchmove function itself, to prevent performance degradation.
// `this.reportUserActivity` simply sets this.userActivity_ to true, which
// then gets picked up by this loop
// http://ejohn.org/blog/learning-from-twitter/
var inactivityTimeout = void 0;
this.setInterval(function () {
// Check to see if mouse/touch activity has happened
if (!this.userActivity_) {
return;
}
// Reset the activity tracker
this.userActivity_ = false;
// If the user state was inactive, set the state to active
this.userActive(true);
// Clear any existing inactivity timeout to start the timer over
this.clearTimeout(inactivityTimeout);
var timeout = this.options_.inactivityTimeout;
if (timeout <= 0) {
return;
}
// In <timeout> milliseconds, if no more activity has occurred the
// user will be considered inactive
inactivityTimeout = this.setTimeout(function () {
// Protect against the case where the inactivityTimeout can trigger just
// before the next user activity is picked up by the activity check loop
// causing a flicker
if (!this.userActivity_) {
this.userActive(false);
}
}, timeout);
}, 250);
};
/**
* Gets or sets the current playback rate. A playback rate of
* 1.0 represents normal speed and 0.5 would indicate half-speed
* playback, for instance.
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
*
* @param {number} [rate]
* New playback rate to set.
*
* @return {number}
* The current playback rate when getting or 1.0
*/
Player.prototype.playbackRate = function playbackRate(rate) {
if (rate !== undefined) {
this.techCall_('setPlaybackRate', rate);
return;
}
if (this.tech_ && this.tech_.featuresPlaybackRate) {
return this.techGet_('playbackRate');
}
return 1.0;
};
/**
* Gets or sets the current default playback rate. A default playback rate of
* 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
* defaultPlaybackRate will only represent what the intial playbackRate of a video was, not
* not the current playbackRate.
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
*
* @param {number} [rate]
* New default playback rate to set.
*
* @return {number|Player}
* - The default playback rate when getting or 1.0
* - the player when setting
*/
Player.prototype.defaultPlaybackRate = function defaultPlaybackRate(rate) {
if (rate !== undefined) {
return this.techCall_('setDefaultPlaybackRate', rate);
}
if (this.tech_ && this.tech_.featuresPlaybackRate) {
return this.techGet_('defaultPlaybackRate');
}
return 1.0;
};
/**
* Gets or sets the audio flag
*
* @param {boolean} bool
* - true signals that this is an audio player
* - false signals that this is not an audio player
*
* @return {boolean}
* The current value of isAudio when getting
*/
Player.prototype.isAudio = function isAudio(bool) {
if (bool !== undefined) {
this.isAudio_ = !!bool;
return;
}
return !!this.isAudio_;
};
/**
* A helper method for adding a {@link TextTrack} to our
* {@link TextTrackList}.
*
* In addition to the W3C settings we allow adding additional info through options.
*
* @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
*
* @param {string} [kind]
* the kind of TextTrack you are adding
*
* @param {string} [label]
* the label to give the TextTrack label
*
* @param {string} [language]
* the language to set on the TextTrack
*
* @return {TextTrack|undefined}
* the TextTrack that was added or undefined
* if there is no tech
*/
Player.prototype.addTextTrack = function addTextTrack(kind, label, language) {
if (this.tech_) {
return this.tech_.addTextTrack(kind, label, language);
}
};
/**
* Create a remote {@link TextTrack} and an {@link HTMLTrackElement}. It will
* automatically removed from the video element whenever the source changes, unless
* manualCleanup is set to false.
*
* @param {Object} options
* Options to pass to {@link HTMLTrackElement} during creation. See
* {@link HTMLTrackElement} for object properties that you should use.
*
* @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
*
* @return {HtmlTrackElement}
* the HTMLTrackElement that was created and added
* to the HtmlTrackElementList and the remote
* TextTrackList
*
* @deprecated The default value of the "manualCleanup" parameter will default
* to "false" in upcoming versions of Video.js
*/
Player.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
if (this.tech_) {
return this.tech_.addRemoteTextTrack(options, manualCleanup);
}
};
/**
* Remove a remote {@link TextTrack} from the respective
* {@link TextTrackList} and {@link HtmlTrackElementList}.
*
* @param {Object} track
* Remote {@link TextTrack} to remove
*
* @return {undefined}
* does not return anything
*/
Player.prototype.removeRemoteTextTrack = function removeRemoteTextTrack() {
var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
_ref3$track = _ref3.track,
track = _ref3$track === undefined ? arguments[0] : _ref3$track;
// destructure the input into an object with a track argument, defaulting to arguments[0]
// default the whole argument to an empty object if nothing was passed in
if (this.tech_) {
return this.tech_.removeRemoteTextTrack(track);
}
};
/**
* Gets available media playback quality metrics as specified by the W3C's Media
* Playback Quality API.
*
* @see [Spec]{@link https://wicg.github.io/media-playback-quality}
*
* @return {Object|undefined}
* An object with supported media playback quality metrics or undefined if there
* is no tech or the tech does not support it.
*/
Player.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
return this.techGet_('getVideoPlaybackQuality');
};
/**
* Get video width
*
* @return {number}
* current video width
*/
Player.prototype.videoWidth = function videoWidth() {
return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
};
/**
* Get video height
*
* @return {number}
* current video height
*/
Player.prototype.videoHeight = function videoHeight() {
return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
};
/**
* The player's language code
* NOTE: The language should be set in the player options if you want the
* the controls to be built with a specific language. Changing the lanugage
* later will not update controls text.
*
* @param {string} [code]
* the language code to set the player to
*
* @return {string}
* The current language code when getting
*/
Player.prototype.language = function language(code) {
if (code === undefined) {
return this.language_;
}
this.language_ = String(code).toLowerCase();
};
/**
* Get the player's language dictionary
* Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
* Languages specified directly in the player options have precedence
*
* @return {Array}
* An array of of supported languages
*/
Player.prototype.languages = function languages() {
return mergeOptions(Player.prototype.options_.languages, this.languages_);
};
/**
* returns a JavaScript object reperesenting the current track
* information. **DOES not return it as JSON**
*
* @return {Object}
* Object representing the current of track info
*/
Player.prototype.toJSON = function toJSON() {
var options = mergeOptions(this.options_);
var tracks = options.tracks;
options.tracks = [];
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
// deep merge tracks and null out player so no circular references
track = mergeOptions(track);
track.player = undefined;
options.tracks[i] = track;
}
return options;
};
/**
* Creates a simple modal dialog (an instance of the {@link ModalDialog}
* component) that immediately overlays the player with arbitrary
* content and removes itself when closed.
*
* @param {string|Function|Element|Array|null} content
* Same as {@link ModalDialog#content}'s param of the same name.
* The most straight-forward usage is to provide a string or DOM
* element.
*
* @param {Object} [options]
* Extra options which will be passed on to the {@link ModalDialog}.
*
* @return {ModalDialog}
* the {@link ModalDialog} that was created
*/
Player.prototype.createModal = function createModal(content, options) {
var _this8 = this;
options = options || {};
options.content = content || '';
var modal = new ModalDialog(this, options);
this.addChild(modal);
modal.on('dispose', function () {
_this8.removeChild(modal);
});
modal.open();
return modal;
};
/**
* Gets tag settings
*
* @param {Element} tag
* The player tag
*
* @return {Object}
* An object containing all of the settings
* for a player tag
*/
Player.getTagSettings = function getTagSettings(tag) {
var baseOptions = {
sources: [],
tracks: []
};
var tagOptions = getAttributes(tag);
var dataSetup = tagOptions['data-setup'];
if (hasClass(tag, 'vjs-fluid')) {
tagOptions.fluid = true;
}
// Check if data-setup attr exists.
if (dataSetup !== null) {
// Parse options JSON
// If empty string, make it a parsable json object.
var _safeParseTuple = tuple(dataSetup || '{}'),
err = _safeParseTuple[0],
data = _safeParseTuple[1];
if (err) {
log$1.error(err);
}
assign(tagOptions, data);
}
assign(baseOptions, tagOptions);
// Get tag children settings
if (tag.hasChildNodes()) {
var children = tag.childNodes;
for (var i = 0, j = children.length; i < j; i++) {
var child = children[i];
// Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
var childName = child.nodeName.toLowerCase();
if (childName === 'source') {
baseOptions.sources.push(getAttributes(child));
} else if (childName === 'track') {
baseOptions.tracks.push(getAttributes(child));
}
}
}
return baseOptions;
};
/**
* Determine wether or not flexbox is supported
*
* @return {boolean}
* - true if flexbox is supported
* - false if flexbox is not supported
*/
Player.prototype.flexNotSupported_ = function flexNotSupported_() {
var elem = document_1.createElement('i');
// Note: We don't actually use flexBasis (or flexOrder), but it's one of the more
// common flex features that we can rely on when checking for flex support.
return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style ||
// IE10-specific (2012 flex spec)
'msFlexOrder' in elem.style);
};
return Player;
}(Component);
/**
* Get the {@link VideoTrackList}
* @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
*
* @return {VideoTrackList}
* the current video track list
*
* @method Player.prototype.videoTracks
*/
/**
* Get the {@link AudioTrackList}
* @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
*
* @return {AudioTrackList}
* the current audio track list
*
* @method Player.prototype.audioTracks
*/
/**
* Get the {@link TextTrackList}
*
* @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
*
* @return {TextTrackList}
* the current text track list
*
* @method Player.prototype.textTracks
*/
/**
* Get the remote {@link TextTrackList}
*
* @return {TextTrackList}
* The current remote text track list
*
* @method Player.prototype.remoteTextTracks
*/
/**
* Get the remote {@link HtmlTrackElementList} tracks.
*
* @return {HtmlTrackElementList}
* The current remote text track element list
*
* @method Player.prototype.remoteTextTrackEls
*/
ALL.names.forEach(function (name$$1) {
var props = ALL[name$$1];
Player.prototype[props.getterName] = function () {
if (this.tech_) {
return this.tech_[props.getterName]();
}
// if we have not yet loadTech_, we create {video,audio,text}Tracks_
// these will be passed to the tech during loading
this[props.privateName] = this[props.privateName] || new props.ListClass();
return this[props.privateName];
};
});
/**
* Global player list
*
* @type {Object}
*/
Player.players = {};
var navigator$1 = window_1.navigator;
/*
* Player instance options, surfaced using options
* options = Player.prototype.options_
* Make changes in options, not here.
*
* @type {Object}
* @private
*/
Player.prototype.options_ = {
// Default order of fallback technology
techOrder: Tech.defaultTechOrder_,
html5: {},
flash: {},
// default inactivity timeout
inactivityTimeout: 2000,
// default playback rates
playbackRates: [],
// Add playback rate selection by adding rates
// 'playbackRates': [0.5, 1, 1.5, 2],
// Included control sets
children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'controlBar', 'errorDisplay', 'textTrackSettings'],
language: navigator$1 && (navigator$1.languages && navigator$1.languages[0] || navigator$1.userLanguage || navigator$1.language) || 'en',
// locales and their language translations
languages: {},
// Default message to show when a video cannot be played.
notSupportedMessage: 'No compatible source was found for this media.'
};
[
/**
* Returns whether or not the player is in the "ended" state.
*
* @return {Boolean} True if the player is in the ended state, false if not.
* @method Player#ended
*/
'ended',
/**
* Returns whether or not the player is in the "seeking" state.
*
* @return {Boolean} True if the player is in the seeking state, false if not.
* @method Player#seeking
*/
'seeking',
/**
* Returns the TimeRanges of the media that are currently available
* for seeking to.
*
* @return {TimeRanges} the seekable intervals of the media timeline
* @method Player#seekable
*/
'seekable',
/**
* Returns the current state of network activity for the element, from
* the codes in the list below.
* - NETWORK_EMPTY (numeric value 0)
* The element has not yet been initialised. All attributes are in
* their initial states.
* - NETWORK_IDLE (numeric value 1)
* The element's resource selection algorithm is active and has
* selected a resource, but it is not actually using the network at
* this time.
* - NETWORK_LOADING (numeric value 2)
* The user agent is actively trying to download data.
* - NETWORK_NO_SOURCE (numeric value 3)
* The element's resource selection algorithm is active, but it has
* not yet found a resource to use.
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
* @return {number} the current network activity state
* @method Player#networkState
*/
'networkState',
/**
* Returns a value that expresses the current state of the element
* with respect to rendering the current playback position, from the
* codes in the list below.
* - HAVE_NOTHING (numeric value 0)
* No information regarding the media resource is available.
* - HAVE_METADATA (numeric value 1)
* Enough of the resource has been obtained that the duration of the
* resource is available.
* - HAVE_CURRENT_DATA (numeric value 2)
* Data for the immediate current playback position is available.
* - HAVE_FUTURE_DATA (numeric value 3)
* Data for the immediate current playback position is available, as
* well as enough data for the user agent to advance the current
* playback position in the direction of playback.
* - HAVE_ENOUGH_DATA (numeric value 4)
* The user agent estimates that enough data is available for
* playback to proceed uninterrupted.
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
* @return {number} the current playback rendering state
* @method Player#readyState
*/
'readyState'].forEach(function (fn) {
Player.prototype[fn] = function () {
return this.techGet_(fn);
};
});
TECH_EVENTS_RETRIGGER.forEach(function (event) {
Player.prototype['handleTech' + toTitleCase(event) + '_'] = function () {
return this.trigger(event);
};
});
/**
* Fired when the player has initial duration and dimension information
*
* @event Player#loadedmetadata
* @type {EventTarget~Event}
*/
/**
* Fired when the player has downloaded data at the current playback position
*
* @event Player#loadeddata
* @type {EventTarget~Event}
*/
/**
* Fired when the current playback position has changed *
* During playback this is fired every 15-250 milliseconds, depending on the
* playback technology in use.
*
* @event Player#timeupdate
* @type {EventTarget~Event}
*/
/**
* Fired when the volume changes
*
* @event Player#volumechange
* @type {EventTarget~Event}
*/
/**
* Reports whether or not a player has a plugin available.
*
* This does not report whether or not the plugin has ever been initialized
* on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
*
* @method Player#hasPlugin
* @param {string} name
* The name of a plugin.
*
* @return {boolean}
* Whether or not this player has the requested plugin available.
*/
/**
* Reports whether or not a player is using a plugin by name.
*
* For basic plugins, this only reports whether the plugin has _ever_ been
* initialized on this player.
*
* @method Player#usingPlugin
* @param {string} name
* The name of a plugin.
*
* @return {boolean}
* Whether or not this player is using the requested plugin.
*/
Component.registerComponent('Player', Player);
/**
* @file plugin.js
*/
/**
* The base plugin name.
*
* @private
* @constant
* @type {string}
*/
var BASE_PLUGIN_NAME = 'plugin';
/**
* The key on which a player's active plugins cache is stored.
*
* @private
* @constant
* @type {string}
*/
var PLUGIN_CACHE_KEY = 'activePlugins_';
/**
* Stores registered plugins in a private space.
*
* @private
* @type {Object}
*/
var pluginStorage = {};
/**
* Reports whether or not a plugin has been registered.
*
* @private
* @param {string} name
* The name of a plugin.
*
* @returns {boolean}
* Whether or not the plugin has been registered.
*/
var pluginExists = function pluginExists(name) {
return pluginStorage.hasOwnProperty(name);
};
/**
* Get a single registered plugin by name.
*
* @private
* @param {string} name
* The name of a plugin.
*
* @returns {Function|undefined}
* The plugin (or undefined).
*/
var getPlugin = function getPlugin(name) {
return pluginExists(name) ? pluginStorage[name] : undefined;
};
/**
* Marks a plugin as "active" on a player.
*
* Also, ensures that the player has an object for tracking active plugins.
*
* @private
* @param {Player} player
* A Video.js player instance.
*
* @param {string} name
* The name of a plugin.
*/
var markPluginAsActive = function markPluginAsActive(player, name) {
player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
player[PLUGIN_CACHE_KEY][name] = true;
};
/**
* Triggers a pair of plugin setup events.
*
* @private
* @param {Player} player
* A Video.js player instance.
*
* @param {Plugin~PluginEventHash} hash
* A plugin event hash.
*
* @param {Boolean} [before]
* If true, prefixes the event name with "before". In other words,
* use this to trigger "beforepluginsetup" instead of "pluginsetup".
*/
var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {
var eventName = (before ? 'before' : '') + 'pluginsetup';
player.trigger(eventName, hash);
player.trigger(eventName + ':' + hash.name, hash);
};
/**
* Takes a basic plugin function and returns a wrapper function which marks
* on the player that the plugin has been activated.
*
* @private
* @param {string} name
* The name of the plugin.
*
* @param {Function} plugin
* The basic plugin.
*
* @returns {Function}
* A wrapper function for the given plugin.
*/
var createBasicPlugin = function createBasicPlugin(name, plugin) {
var basicPluginWrapper = function basicPluginWrapper() {
// We trigger the "beforepluginsetup" and "pluginsetup" events on the player
// regardless, but we want the hash to be consistent with the hash provided
// for advanced plugins.
//
// The only potentially counter-intuitive thing here is the `instance` in
// the "pluginsetup" event is the value returned by the `plugin` function.
triggerSetupEvent(this, { name: name, plugin: plugin, instance: null }, true);
var instance = plugin.apply(this, arguments);
markPluginAsActive(this, name);
triggerSetupEvent(this, { name: name, plugin: plugin, instance: instance });
return instance;
};
Object.keys(plugin).forEach(function (prop) {
basicPluginWrapper[prop] = plugin[prop];
});
return basicPluginWrapper;
};
/**
* Takes a plugin sub-class and returns a factory function for generating
* instances of it.
*
* This factory function will replace itself with an instance of the requested
* sub-class of Plugin.
*
* @private
* @param {string} name
* The name of the plugin.
*
* @param {Plugin} PluginSubClass
* The advanced plugin.
*
* @returns {Function}
*/
var createPluginFactory = function createPluginFactory(name, PluginSubClass) {
// Add a `name` property to the plugin prototype so that each plugin can
// refer to itself by name.
PluginSubClass.prototype.name = name;
return function () {
triggerSetupEvent(this, { name: name, plugin: PluginSubClass, instance: null }, true);
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var instance = new (Function.prototype.bind.apply(PluginSubClass, [null].concat([this].concat(args))))();
// The plugin is replaced by a function that returns the current instance.
this[name] = function () {
return instance;
};
triggerSetupEvent(this, instance.getEventHash());
return instance;
};
};
/**
* Parent class for all advanced plugins.
*
* @mixes module:evented~EventedMixin
* @mixes module:stateful~StatefulMixin
* @fires Player#beforepluginsetup
* @fires Player#beforepluginsetup:$name
* @fires Player#pluginsetup
* @fires Player#pluginsetup:$name
* @listens Player#dispose
* @throws {Error}
* If attempting to instantiate the base {@link Plugin} class
* directly instead of via a sub-class.
*/
var Plugin = function () {
/**
* Creates an instance of this class.
*
* Sub-classes should call `super` to ensure plugins are properly initialized.
*
* @param {Player} player
* A Video.js player instance.
*/
function Plugin(player) {
classCallCheck(this, Plugin);
if (this.constructor === Plugin) {
throw new Error('Plugin must be sub-classed; not directly instantiated.');
}
this.player = player;
// Make this object evented, but remove the added `trigger` method so we
// use the prototype version instead.
evented(this);
delete this.trigger;
stateful(this, this.constructor.defaultState);
markPluginAsActive(player, this.name);
// Auto-bind the dispose method so we can use it as a listener and unbind
// it later easily.
this.dispose = bind(this, this.dispose);
// If the player is disposed, dispose the plugin.
player.on('dispose', this.dispose);
}
/**
* Get the version of the plugin that was set on <pluginName>.VERSION
*/
Plugin.prototype.version = function version() {
return this.constructor.VERSION;
};
/**
* Each event triggered by plugins includes a hash of additional data with
* conventional properties.
*
* This returns that object or mutates an existing hash.
*
* @param {Object} [hash={}]
* An object to be used as event an event hash.
*
* @returns {Plugin~PluginEventHash}
* An event hash object with provided properties mixed-in.
*/
Plugin.prototype.getEventHash = function getEventHash() {
var hash = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
hash.name = this.name;
hash.plugin = this.constructor;
hash.instance = this;
return hash;
};
/**
* Triggers an event on the plugin object and overrides
* {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
*
* @param {string|Object} event
* An event type or an object with a type property.
*
* @param {Object} [hash={}]
* Additional data hash to merge with a
* {@link Plugin~PluginEventHash|PluginEventHash}.
*
* @returns {boolean}
* Whether or not default was prevented.
*/
Plugin.prototype.trigger = function trigger$$1(event) {
var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
return trigger(this.eventBusEl_, event, this.getEventHash(hash));
};
/**
* Handles "statechanged" events on the plugin. No-op by default, override by
* subclassing.
*
* @abstract
* @param {Event} e
* An event object provided by a "statechanged" event.
*
* @param {Object} e.changes
* An object describing changes that occurred with the "statechanged"
* event.
*/
Plugin.prototype.handleStateChanged = function handleStateChanged(e) {};
/**
* Disposes a plugin.
*
* Subclasses can override this if they want, but for the sake of safety,
* it's probably best to subscribe the "dispose" event.
*
* @fires Plugin#dispose
*/
Plugin.prototype.dispose = function dispose() {
var name = this.name,
player = this.player;
/**
* Signals that a advanced plugin is about to be disposed.
*
* @event Plugin#dispose
* @type {EventTarget~Event}
*/
this.trigger('dispose');
this.off();
player.off('dispose', this.dispose);
// Eliminate any possible sources of leaking memory by clearing up
// references between the player and the plugin instance and nulling out
// the plugin's state and replacing methods with a function that throws.
player[PLUGIN_CACHE_KEY][name] = false;
this.player = this.state = null;
// Finally, replace the plugin name on the player with a new factory
// function, so that the plugin is ready to be set up again.
player[name] = createPluginFactory(name, pluginStorage[name]);
};
/**
* Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
*
* @param {string|Function} plugin
* If a string, matches the name of a plugin. If a function, will be
* tested directly.
*
* @returns {boolean}
* Whether or not a plugin is a basic plugin.
*/
Plugin.isBasic = function isBasic(plugin) {
var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;
return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
};
/**
* Register a Video.js plugin.
*
* @param {string} name
* The name of the plugin to be registered. Must be a string and
* must not match an existing plugin or a method on the `Player`
* prototype.
*
* @param {Function} plugin
* A sub-class of `Plugin` or a function for basic plugins.
*
* @returns {Function}
* For advanced plugins, a factory function for that plugin. For
* basic plugins, a wrapper function that initializes the plugin.
*/
Plugin.registerPlugin = function registerPlugin(name, plugin) {
if (typeof name !== 'string') {
throw new Error('Illegal plugin name, "' + name + '", must be a string, was ' + (typeof name === 'undefined' ? 'undefined' : _typeof(name)) + '.');
}
if (pluginExists(name)) {
log$1.warn('A plugin named "' + name + '" already exists. You may want to avoid re-registering plugins!');
} else if (Player.prototype.hasOwnProperty(name)) {
throw new Error('Illegal plugin name, "' + name + '", cannot share a name with an existing player method!');
}
if (typeof plugin !== 'function') {
throw new Error('Illegal plugin for "' + name + '", must be a function, was ' + (typeof plugin === 'undefined' ? 'undefined' : _typeof(plugin)) + '.');
}
pluginStorage[name] = plugin;
// Add a player prototype method for all sub-classed plugins (but not for
// the base Plugin class).
if (name !== BASE_PLUGIN_NAME) {
if (Plugin.isBasic(plugin)) {
Player.prototype[name] = createBasicPlugin(name, plugin);
} else {
Player.prototype[name] = createPluginFactory(name, plugin);
}
}
return plugin;
};
/**
* De-register a Video.js plugin.
*
* @param {string} name
* The name of the plugin to be deregistered.
*/
Plugin.deregisterPlugin = function deregisterPlugin(name) {
if (name === BASE_PLUGIN_NAME) {
throw new Error('Cannot de-register base plugin.');
}
if (pluginExists(name)) {
delete pluginStorage[name];
delete Player.prototype[name];
}
};
/**
* Gets an object containing multiple Video.js plugins.
*
* @param {Array} [names]
* If provided, should be an array of plugin names. Defaults to _all_
* plugin names.
*
* @returns {Object|undefined}
* An object containing plugin(s) associated with their name(s) or
* `undefined` if no matching plugins exist).
*/
Plugin.getPlugins = function getPlugins() {
var names = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Object.keys(pluginStorage);
var result = void 0;
names.forEach(function (name) {
var plugin = getPlugin(name);
if (plugin) {
result = result || {};
result[name] = plugin;
}
});
return result;
};
/**
* Gets a plugin's version, if available
*
* @param {string} name
* The name of a plugin.
*
* @returns {string}
* The plugin's version or an empty string.
*/
Plugin.getPluginVersion = function getPluginVersion(name) {
var plugin = getPlugin(name);
return plugin && plugin.VERSION || '';
};
return Plugin;
}();
/**
* Gets a plugin by name if it exists.
*
* @static
* @method getPlugin
* @memberOf Plugin
* @param {string} name
* The name of a plugin.
*
* @returns {Function|undefined}
* The plugin (or `undefined`).
*/
Plugin.getPlugin = getPlugin;
/**
* The name of the base plugin class as it is registered.
*
* @type {string}
*/
Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;
Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);
/**
* Documented in player.js
*
* @ignore
*/
Player.prototype.usingPlugin = function (name) {
return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
};
/**
* Documented in player.js
*
* @ignore
*/
Player.prototype.hasPlugin = function (name) {
return !!pluginExists(name);
};
/**
* Signals that a plugin is about to be set up on a player.
*
* @event Player#beforepluginsetup
* @type {Plugin~PluginEventHash}
*/
/**
* Signals that a plugin is about to be set up on a player - by name. The name
* is the name of the plugin.
*
* @event Player#beforepluginsetup:$name
* @type {Plugin~PluginEventHash}
*/
/**
* Signals that a plugin has just been set up on a player.
*
* @event Player#pluginsetup
* @type {Plugin~PluginEventHash}
*/
/**
* Signals that a plugin has just been set up on a player - by name. The name
* is the name of the plugin.
*
* @event Player#pluginsetup:$name
* @type {Plugin~PluginEventHash}
*/
/**
* @typedef {Object} Plugin~PluginEventHash
*
* @property {string} instance
* For basic plugins, the return value of the plugin function. For
* advanced plugins, the plugin instance on which the event is fired.
*
* @property {string} name
* The name of the plugin.
*
* @property {string} plugin
* For basic plugins, the plugin function. For advanced plugins, the
* plugin class/constructor.
*/
/**
* @file extend.js
* @module extend
*/
/**
* A combination of node inherits and babel's inherits (after transpile).
* Both work the same but node adds `super_` to the subClass
* and Bable adds the superClass as __proto__. Both seem useful.
*
* @param {Object} subClass
* The class to inherit to
*
* @param {Object} superClass
* The class to inherit from
*
* @private
*/
var _inherits = function _inherits(subClass, superClass) {
if (typeof superClass !== 'function' && superClass !== null) {
throw new TypeError('Super expression must either be null or a function, not ' + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) {
// node
subClass.super_ = superClass;
}
};
/**
* Function for subclassing using the same inheritance that
* videojs uses internally
*
* @static
* @const
*
* @param {Object} superClass
* The class to inherit from
*
* @param {Object} [subClassMethods={}]
* The class to inherit to
*
* @return {Object}
* The new object with subClassMethods that inherited superClass.
*/
var extendFn = function extendFn(superClass) {
var subClassMethods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var subClass = function subClass() {
superClass.apply(this, arguments);
};
var methods = {};
if ((typeof subClassMethods === 'undefined' ? 'undefined' : _typeof(subClassMethods)) === 'object') {
if (subClassMethods.constructor !== Object.prototype.constructor) {
subClass = subClassMethods.constructor;
}
methods = subClassMethods;
} else if (typeof subClassMethods === 'function') {
subClass = subClassMethods;
}
_inherits(subClass, superClass);
// Extend subObj's prototype with functions and other properties from props
for (var name in methods) {
if (methods.hasOwnProperty(name)) {
subClass.prototype[name] = methods[name];
}
}
return subClass;
};
/**
* @file video.js
* @module videojs
*/
// Include the built-in techs
// HTML5 Element Shim for IE8
if (typeof HTMLVideoElement === 'undefined' && isReal()) {
document_1.createElement('video');
document_1.createElement('audio');
document_1.createElement('track');
document_1.createElement('video-js');
}
/**
* Doubles as the main function for users to create a player instance and also
* the main library object.
* The `videojs` function can be used to initialize or retrieve a player.
*
* @param {string|Element} id
* Video element or video element ID
*
* @param {Object} [options]
* Optional options object for config/settings
*
* @param {Component~ReadyCallback} [ready]
* Optional ready callback
*
* @return {Player}
* A player instance
*/
function videojs(id, options, ready) {
var tag = void 0;
// Allow for element or ID to be passed in
// String ID
if (typeof id === 'string') {
var players = videojs.getPlayers();
// Adjust for jQuery ID syntax
if (id.indexOf('#') === 0) {
id = id.slice(1);
}
// If a player instance has already been created for this ID return it.
if (players[id]) {
// If options or ready function are passed, warn
if (options) {
log$1.warn('Player "' + id + '" is already initialised. Options will not be applied.');
}
if (ready) {
players[id].ready(ready);
}
return players[id];
}
// Otherwise get element for ID
tag = $('#' + id);
// ID is a media element
} else {
tag = id;
}
// Check for a useable element
// re: nodeName, could be a box div also
if (!tag || !tag.nodeName) {
throw new TypeError('The element or ID supplied is not valid. (videojs)');
}
// Element may have a player attr referring to an already created player instance.
// If so return that otherwise set up a new player below
if (tag.player || Player.players[tag.playerId]) {
return tag.player || Player.players[tag.playerId];
}
// Check if element is included in the DOM
if (isEl(tag) && !document_1.body.contains(tag)) {
log$1.warn('The element supplied is not included in the DOM');
}
options = options || {};
videojs.hooks('beforesetup').forEach(function (hookFunction) {
var opts = hookFunction(tag, mergeOptions(options));
if (!isObject(opts) || Array.isArray(opts)) {
log$1.error('please return an object in beforesetup hooks');
return;
}
options = mergeOptions(options, opts);
});
var PlayerComponent = Component.getComponent('Player');
// If not, set up a new player
var player = new PlayerComponent(tag, options, ready);
videojs.hooks('setup').forEach(function (hookFunction) {
return hookFunction(player);
});
return player;
}
/**
* An Object that contains lifecycle hooks as keys which point to an array
* of functions that are run when a lifecycle is triggered
*/
videojs.hooks_ = {};
/**
* Get a list of hooks for a specific lifecycle
* @function videojs.hooks
*
* @param {string} type
* the lifecyle to get hooks from
*
* @param {Function|Function[]} [fn]
* Optionally add a hook (or hooks) to the lifecycle that your are getting.
*
* @return {Array}
* an array of hooks, or an empty array if there are none.
*/
videojs.hooks = function (type, fn) {
videojs.hooks_[type] = videojs.hooks_[type] || [];
if (fn) {
videojs.hooks_[type] = videojs.hooks_[type].concat(fn);
}
return videojs.hooks_[type];
};
/**
* Add a function hook to a specific videojs lifecycle.
*
* @param {string} type
* the lifecycle to hook the function to.
*
* @param {Function|Function[]}
* The function or array of functions to attach.
*/
videojs.hook = function (type, fn) {
videojs.hooks(type, fn);
};
/**
* Add a function hook that will only run once to a specific videojs lifecycle.
*
* @param {string} type
* the lifecycle to hook the function to.
*
* @param {Function|Function[]}
* The function or array of functions to attach.
*/
videojs.hookOnce = function (type, fn) {
videojs.hooks(type, [].concat(fn).map(function (original) {
var wrapper = function wrapper() {
videojs.removeHook(type, wrapper);
original.apply(undefined, arguments);
};
return wrapper;
}));
};
/**
* Remove a hook from a specific videojs lifecycle.
*
* @param {string} type
* the lifecycle that the function hooked to
*
* @param {Function} fn
* The hooked function to remove
*
* @return {boolean}
* The function that was removed or undef
*/
videojs.removeHook = function (type, fn) {
var index = videojs.hooks(type).indexOf(fn);
if (index <= -1) {
return false;
}
videojs.hooks_[type] = videojs.hooks_[type].slice();
videojs.hooks_[type].splice(index, 1);
return true;
};
// Add default styles
if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
var style = $('.vjs-styles-defaults');
if (!style) {
style = createStyleElement('vjs-styles-defaults');
var head = $('head');
if (head) {
head.insertBefore(style, head.firstChild);
}
setTextContent(style, '\n .video-js {\n width: 300px;\n height: 150px;\n }\n\n .vjs-fluid {\n padding-top: 56.25%\n }\n ');
}
}
// Run Auto-load players
// You have to wait at least once in case this script is loaded after your
// video in the DOM (weird behavior only with minified version)
autoSetupTimeout(1, videojs);
/**
* Current software version. Follows semver.
*
* @type {string}
*/
videojs.VERSION = version;
/**
* The global options object. These are the settings that take effect
* if no overrides are specified when the player is created.
*
* @type {Object}
*/
videojs.options = Player.prototype.options_;
/**
* Get an object with the currently created players, keyed by player ID
*
* @return {Object}
* The created players
*/
videojs.getPlayers = function () {
return Player.players;
};
/**
* Expose players object.
*
* @memberOf videojs
* @property {Object} players
*/
videojs.players = Player.players;
/**
* Get a component class object by name
*
* @borrows Component.getComponent as videojs.getComponent
*/
videojs.getComponent = Component.getComponent;
/**
* Register a component so it can referred to by name. Used when adding to other
* components, either through addChild `component.addChild('myComponent')` or through
* default children options `{ children: ['myComponent'] }`.
*
* > NOTE: You could also just initialize the component before adding.
* `component.addChild(new MyComponent());`
*
* @param {string} name
* The class name of the component
*
* @param {Component} comp
* The component class
*
* @return {Component}
* The newly registered component
*/
videojs.registerComponent = function (name$$1, comp) {
if (Tech.isTech(comp)) {
log$1.warn('The ' + name$$1 + ' tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)');
}
Component.registerComponent.call(Component, name$$1, comp);
};
/**
* Get a Tech class object by name
*
* @borrows Tech.getTech as videojs.getTech
*/
videojs.getTech = Tech.getTech;
/**
* Register a Tech so it can referred to by name.
* This is used in the tech order for the player.
*
* @borrows Tech.registerTech as videojs.registerTech
*/
videojs.registerTech = Tech.registerTech;
videojs.use = use;
/**
* A suite of browser and device tests from {@link browser}.
*
* @type {Object}
* @private
*/
videojs.browser = browser;
/**
* Whether or not the browser supports touch events. Included for backward
* compatibility with 4.x, but deprecated. Use `videojs.browser.TOUCH_ENABLED`
* instead going forward.
*
* @deprecated since version 5.0
* @type {boolean}
*/
videojs.TOUCH_ENABLED = TOUCH_ENABLED;
/**
* Subclass an existing class
* Mimics ES6 subclassing with the `extend` keyword
*
* @borrows extend:extendFn as videojs.extend
*/
videojs.extend = extendFn;
/**
* Merge two options objects recursively
* Performs a deep merge like lodash.merge but **only merges plain objects**
* (not arrays, elements, anything else)
* Other values will be copied directly from the second object.
*
* @borrows merge-options:mergeOptions as videojs.mergeOptions
*/
videojs.mergeOptions = mergeOptions;
/**
* Change the context (this) of a function
*
* > NOTE: as of v5.0 we require an ES5 shim, so you should use the native
* `function() {}.bind(newContext);` instead of this.
*
* @borrows fn:bind as videojs.bind
*/
videojs.bind = bind;
/**
* Register a Video.js plugin.
*
* @borrows plugin:registerPlugin as videojs.registerPlugin
* @method registerPlugin
*
* @param {string} name
* The name of the plugin to be registered. Must be a string and
* must not match an existing plugin or a method on the `Player`
* prototype.
*
* @param {Function} plugin
* A sub-class of `Plugin` or a function for basic plugins.
*
* @return {Function}
* For advanced plugins, a factory function for that plugin. For
* basic plugins, a wrapper function that initializes the plugin.
*/
videojs.registerPlugin = Plugin.registerPlugin;
/**
* Deprecated method to register a plugin with Video.js
*
* @deprecated
* videojs.plugin() is deprecated; use videojs.registerPlugin() instead
*
* @param {string} name
* The plugin name
*
* @param {Plugin|Function} plugin
* The plugin sub-class or function
*/
videojs.plugin = function (name$$1, plugin) {
log$1.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
return Plugin.registerPlugin(name$$1, plugin);
};
/**
* Gets an object containing multiple Video.js plugins.
*
* @param {Array} [names]
* If provided, should be an array of plugin names. Defaults to _all_
* plugin names.
*
* @return {Object|undefined}
* An object containing plugin(s) associated with their name(s) or
* `undefined` if no matching plugins exist).
*/
videojs.getPlugins = Plugin.getPlugins;
/**
* Gets a plugin by name if it exists.
*
* @param {string} name
* The name of a plugin.
*
* @return {Function|undefined}
* The plugin (or `undefined`).
*/
videojs.getPlugin = Plugin.getPlugin;
/**
* Gets a plugin's version, if available
*
* @param {string} name
* The name of a plugin.
*
* @return {string}
* The plugin's version or an empty string.
*/
videojs.getPluginVersion = Plugin.getPluginVersion;
/**
* Adding languages so that they're available to all players.
* Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
*
* @param {string} code
* The language code or dictionary property
*
* @param {Object} data
* The data values to be translated
*
* @return {Object}
* The resulting language dictionary object
*/
videojs.addLanguage = function (code, data) {
var _mergeOptions;
code = ('' + code).toLowerCase();
videojs.options.languages = mergeOptions(videojs.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));
return videojs.options.languages[code];
};
/**
* Log messages
*
* @borrows log:log as videojs.log
*/
videojs.log = log$1;
/**
* Creates an emulated TimeRange object.
*
* @borrows time-ranges:createTimeRanges as videojs.createTimeRange
*/
/**
* @borrows time-ranges:createTimeRanges as videojs.createTimeRanges
*/
videojs.createTimeRange = videojs.createTimeRanges = createTimeRanges;
/**
* Format seconds as a time string, H:MM:SS or M:SS
* Supplying a guide (in seconds) will force a number of leading zeros
* to cover the length of the guide
*
* @borrows format-time:formatTime as videojs.formatTime
*/
videojs.formatTime = formatTime;
/**
* Resolve and parse the elements of a URL
*
* @borrows url:parseUrl as videojs.parseUrl
*/
videojs.parseUrl = parseUrl;
/**
* Returns whether the url passed is a cross domain request or not.
*
* @borrows url:isCrossOrigin as videojs.isCrossOrigin
*/
videojs.isCrossOrigin = isCrossOrigin;
/**
* Event target class.
*
* @borrows EventTarget as videojs.EventTarget
*/
videojs.EventTarget = EventTarget;
/**
* Add an event listener to element
* It stores the handler function in a separate cache object
* and adds a generic handler to the element's event,
* along with a unique id (guid) to the element.
*
* @borrows events:on as videojs.on
*/
videojs.on = on;
/**
* Trigger a listener only once for an event
*
* @borrows events:one as videojs.one
*/
videojs.one = one;
/**
* Removes event listeners from an element
*
* @borrows events:off as videojs.off
*/
videojs.off = off;
/**
* Trigger an event for an element
*
* @borrows events:trigger as videojs.trigger
*/
videojs.trigger = trigger;
/**
* A cross-browser XMLHttpRequest wrapper. Here's a simple example:
*
* @param {Object} options
* settings for the request.
*
* @return {XMLHttpRequest|XDomainRequest}
* The request object.
*
* @see https://github.com/Raynos/xhr
*/
videojs.xhr = xhr;
/**
* TextTrack class
*
* @borrows TextTrack as videojs.TextTrack
*/
videojs.TextTrack = TextTrack;
/**
* export the AudioTrack class so that source handlers can create
* AudioTracks and then add them to the players AudioTrackList
*
* @borrows AudioTrack as videojs.AudioTrack
*/
videojs.AudioTrack = AudioTrack;
/**
* export the VideoTrack class so that source handlers can create
* VideoTracks and then add them to the players VideoTrackList
*
* @borrows VideoTrack as videojs.VideoTrack
*/
videojs.VideoTrack = VideoTrack;
/**
* Determines, via duck typing, whether or not a value is a DOM element.
*
* @borrows dom:isEl as videojs.isEl
* @deprecated Use videojs.dom.isEl() instead
*/
/**
* Determines, via duck typing, whether or not a value is a text node.
*
* @borrows dom:isTextNode as videojs.isTextNode
* @deprecated Use videojs.dom.isTextNode() instead
*/
/**
* Creates an element and applies properties.
*
* @borrows dom:createEl as videojs.createEl
* @deprecated Use videojs.dom.createEl() instead
*/
/**
* Check if an element has a CSS class
*
* @borrows dom:hasElClass as videojs.hasClass
* @deprecated Use videojs.dom.hasClass() instead
*/
/**
* Add a CSS class name to an element
*
* @borrows dom:addElClass as videojs.addClass
* @deprecated Use videojs.dom.addClass() instead
*/
/**
* Remove a CSS class name from an element
*
* @borrows dom:removeElClass as videojs.removeClass
* @deprecated Use videojs.dom.removeClass() instead
*/
/**
* Adds or removes a CSS class name on an element depending on an optional
* condition or the presence/absence of the class name.
*
* @borrows dom:toggleElClass as videojs.toggleClass
* @deprecated Use videojs.dom.toggleClass() instead
*/
/**
* Apply attributes to an HTML element.
*
* @borrows dom:setElAttributes as videojs.setAttribute
* @deprecated Use videojs.dom.setAttributes() instead
*/
/**
* Get an element's attribute values, as defined on the HTML tag
* Attributes are not the same as properties. They're defined on the tag
* or with setAttribute (which shouldn't be used with HTML)
* This will return true or false for boolean attributes.
*
* @borrows dom:getElAttributes as videojs.getAttributes
* @deprecated Use videojs.dom.getAttributes() instead
*/
/**
* Empties the contents of an element.
*
* @borrows dom:emptyEl as videojs.emptyEl
* @deprecated Use videojs.dom.emptyEl() instead
*/
/**
* Normalizes and appends content to an element.
*
* The content for an element can be passed in multiple types and
* combinations, whose behavior is as follows:
*
* - String
* Normalized into a text node.
*
* - Element, TextNode
* Passed through.
*
* - Array
* A one-dimensional array of strings, elements, nodes, or functions (which
* return single strings, elements, or nodes).
*
* - Function
* If the sole argument, is expected to produce a string, element,
* node, or array.
*
* @borrows dom:appendContents as videojs.appendContet
* @deprecated Use videojs.dom.appendContent() instead
*/
/**
* Normalizes and inserts content into an element; this is identical to
* `appendContent()`, except it empties the element first.
*
* The content for an element can be passed in multiple types and
* combinations, whose behavior is as follows:
*
* - String
* Normalized into a text node.
*
* - Element, TextNode
* Passed through.
*
* - Array
* A one-dimensional array of strings, elements, nodes, or functions (which
* return single strings, elements, or nodes).
*
* - Function
* If the sole argument, is expected to produce a string, element,
* node, or array.
*
* @borrows dom:insertContent as videojs.insertContent
* @deprecated Use videojs.dom.insertContent() instead
*/
['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {
videojs[k] = function () {
log$1.warn('videojs.' + k + '() is deprecated; use videojs.dom.' + k + '() instead');
return Dom[k].apply(null, arguments);
};
});
/**
* A safe getComputedStyle with an IE8 fallback.
*
* This is because in Firefox, if the player is loaded in an iframe with `display:none`,
* then `getComputedStyle` returns `null`, so, we do a null-check to make sure
* that the player doesn't break in these cases.
* See https://bugzilla.mozilla.org/show_bug.cgi?id=548397 for more details.
*
* @borrows computed-style:computedStyle as videojs.computedStyle
*/
videojs.computedStyle = computedStyle;
/**
* Export the Dom utilities for use in external plugins
* and Tech's
*/
videojs.dom = Dom;
/**
* Export the Url utilities for use in external plugins
* and Tech's
*/
videojs.url = Url;
return videojs;
})));
!function(){!function(a){var b=a&&a.videojs;b&&(b.CDN_VERSION="6.6.0")}(window),function(a,b,c,d,e,f,g){b&&b.HELP_IMPROVE_VIDEOJS!==!1&&(e.random()>.01||(f=b.location,g=b.videojs||{},a.src="//www.google-analytics.com/__utm.gif?utmwv=5.4.2&utmac=UA-16505296-3&utmn=1&utmhn="+d(f.hostname)+"&utmsr="+b.screen.availWidth+"x"+b.screen.availHeight+"&utmul="+(c.language||c.userLanguage||"").toLowerCase()+"&utmr="+d(f.href)+"&utmp="+d(f.hostname+f.pathname)+"&utmcc=__utma%3D1."+e.floor(1e10*e.random())+".1.1.1.1%3B&utme=8(vjsv*cdnv)9("+g.VERSION+"*"+g.CDN_VERSION+")"))}(new Image,window,navigator,encodeURIComponent,Math)}();
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