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Add prefers-color-scheme support (#601) 

* Add prefers-color-scheme support

This should fix <https://github.com/omarroth/invidious/issues/559>.
The cookie storage format has been changed from boolean
("true"/"false") to tri-state ("dark"/"light"/""), so that users
without a cookie set will get dark mode if they have enabled the dark
theme in their operating system. The code for handling the cookie
state, along with the user's operating system theme, has been factored
out into a new function `update_mode`, which is called both at window
load and at the "storage" event listener, because the "storage" event
listener is only trigerred when a change is made to the localStorage
from another tab/window (for more info - see
<https://stackoverflow.com/a/4679754>).
This commit is contained in:
psvenk 2019-08-15 16:29:55 +00:00 committed by Omar Roth
parent 19eceb4ecc
commit f54fbd057e
24 changed files with 215 additions and 84 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
assets/js/themes.js
View File

@ -1,8 +1,8 @@
var toggle_theme = document.getElementById('toggle_theme')
var toggle_theme = document.getElementById('toggle_theme');
toggle_theme.href = 'javascript:void(0);';
toggle_theme.addEventListener('click', function () {
var dark_mode = document.getElementById('dark_theme').media == 'none';
var dark_mode = document.getElementById('dark_theme').media === 'none';
var url = '/toggle_theme?redirect=false';
var xhr = new XMLHttpRequest();
@ -11,19 +11,24 @@ toggle_theme.addEventListener('click', function () {
xhr.open('GET', url, true);
set_mode(dark_mode);
localStorage.setItem('dark_mode', dark_mode);
window.localStorage.setItem('dark_mode', dark_mode ? 'dark' : 'light');
xhr.send();
});
window.addEventListener('storage', function (e) {
if (e.key == 'dark_mode') {
var dark_mode = e.newValue === 'true';
set_mode(dark_mode);
if (e.key === 'dark_mode') {
update_mode(e.newValue);
}
});
function set_mode(bool) {
window.addEventListener('load', function () {
window.localStorage.setItem('dark_mode', document.getElementById('dark_mode_pref').textContent);
// Update localStorage if dark mode preference changed on preferences page
update_mode(window.localStorage.dark_mode);
});
function set_mode (bool) {
document.getElementById('dark_theme').media = !bool ? 'none' : '';
document.getElementById('light_theme').media = bool ? 'none' : '';
@ -33,3 +38,21 @@ function set_mode(bool) {
toggle_theme.children[0].setAttribute('class', 'icon ion-ios-moon');
}
}
function update_mode (mode) {
if (mode === 'true' /* for backwards compatibility */ || mode === 'dark') {
// If preference for dark mode indicated
set_mode(true);
}
else if (mode === 'false' /* for backwards compaibility */ || mode === 'light') {
// If preference for light mode indicated
set_mode(false);
}
else if (document.getElementById('dark_mode_pref').textContent === '' && window.matchMedia('(prefers-color-scheme: dark)').matches) {
// If no preference indicated here and no preference indicated on the preferences page (backend), but the browser tells us that the operating system has a dark theme
set_mode(true);
}
// else do nothing, falling back to the mode defined by the `dark_mode` preference on the preferences page (backend)
}

4
locales/ar.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "عرض مقاطع الفيديو ذات الصلة؟",
"Show annotations by default: ": "عرض الملاحظات فى الفيديو تلقائيا ؟",
"Visual preferences": "التفضيلات المرئية",
"Player style: ": "",
"Dark mode: ": "الوضع الليلى: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "الوضع الخفيف: ",
"Subscription preferences": "تفضيلات الإشتراك",
"Show annotations by default for subscribed channels: ": "عرض الملاحظات فى الفيديوهات تلقائيا فى القنوات المشترك بها فقط ؟",

4
locales/de.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Ähnliche Videos anzeigen? ",
"Show annotations by default: ": "Standardmäßig Anmerkungen anzeigen? ",
"Visual preferences": "Anzeigeeinstellungen",
"Player style: ": "",
"Dark mode: ": "Nachtmodus: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Schlanker Modus: ",
"Subscription preferences": "Abonnementeinstellungen",
"Show annotations by default for subscribed channels: ": "Anmerkungen für abonnierte Kanäle standardmäßig anzeigen? ",

4
locales/el.json
View File

@ -74,7 +74,11 @@
"Show related videos: ": "Προβολή σχετικών βίντεο; ",
"Show annotations by default: ": "Αυτόματη προβολή σημειώσεων; :",
"Visual preferences": "Προτιμήσεις εμφάνισης",
"Player style: ": "",
"Dark mode: ": "Σκοτεινή λειτουργία: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Ελαφριά λειτουργία: ",
"Subscription preferences": "Προτιμήσεις συνδρομών",
"Show annotations by default for subscribed channels: ": "Προβολή σημειώσεων μόνο για κανάλια στα οποία είστε συνδρομητής; ",

4
locales/en-US.json
View File

@ -74,7 +74,11 @@
"Show related videos: ": "Show related videos: ",
"Show annotations by default: ": "Show annotations by default: ",
"Visual preferences": "Visual preferences",
"Player style: ": "",
"Dark mode: ": "Dark mode: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Thin mode: ",
"Subscription preferences": "Subscription preferences",
"Show annotations by default for subscribed channels: ": "Show annotations by default for subscribed channels? ",

4
locales/eo.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Ĉu montri rilatajn videojn? ",
"Show annotations by default: ": "Ĉu montri prinotojn defaŭlte? ",
"Visual preferences": "Vidaj preferoj",
"Player style: ": "",
"Dark mode: ": "Malhela reĝimo: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Maldika reĝimo: ",
"Subscription preferences": "Abonaj agordoj",
"Show annotations by default for subscribed channels: ": "Ĉu montri prinotojn defaŭlte por abonitaj kanaloj? ",

4
locales/es.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "¿Mostrar vídeos relacionados? ",
"Show annotations by default: ": "¿Mostrar anotaciones por defecto? ",
"Visual preferences": "Preferencias visuales",
"Player style: ": "",
"Dark mode: ": "Modo oscuro: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Modo compacto: ",
"Subscription preferences": "Preferencias de la suscripción",
"Show annotations by default for subscribed channels: ": "¿Mostrar anotaciones por defecto para los canales suscritos? ",

4
locales/eu.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "",
"Show annotations by default: ": "",
"Visual preferences": "",
"Player style: ": "",
"Dark mode: ": "",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "",
"Subscription preferences": "",
"Show annotations by default for subscribed channels: ": "",

4
locales/fr.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Voir les vidéos liées : ",
"Show annotations by default: ": "Voir les annotations par défaut : ",
"Visual preferences": "Préférences du site",
"Player style: ": "",
"Dark mode: ": "Mode Sombre : ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Mode Simplifié : ",
"Subscription preferences": "Préférences de la page d'abonnements",
"Show annotations by default for subscribed channels: ": "Voir les annotations par défaut sur les chaînes suivies : ",

4
locales/is.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Sýna tengd myndbönd? ",
"Show annotations by default: ": "Á að sýna glósur sjálfgefið? ",
"Visual preferences": "Sjónrænar stillingar",
"Player style: ": "",
"Dark mode: ": "Myrkur ham: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Þunnt ham: ",
"Subscription preferences": "Áskriftarstillingar",
"Show annotations by default for subscribed channels: ": "Á að sýna glósur sjálfgefið fyrir áskriftarrásir? ",

4
locales/it.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Mostra video correlati? ",
"Show annotations by default: ": "Mostra le annotazioni per impostazione predefinita? ",
"Visual preferences": "Preferenze grafiche",
"Player style: ": "",
"Dark mode: ": "Tema scuro: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Modalità per connessioni lente: ",
"Subscription preferences": "Preferenze iscrizioni",
"Show annotations by default for subscribed channels: ": "",

4
locales/nb_NO.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Vis relaterte videoer? ",
"Show annotations by default: ": "Vis merknader som forvalg? ",
"Visual preferences": "Visuelle innstillinger",
"Player style: ": "",
"Dark mode: ": "Mørk drakt: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Tynt modus: ",
"Subscription preferences": "Abonnementsinnstillinger",
"Show annotations by default for subscribed channels: ": "Vis merknader som forvalg for kanaler det abonneres på? ",

4
locales/nl.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Gerelateerde video's tonen? ",
"Show annotations by default: ": "Standaard annotaties tonen? ",
"Visual preferences": "Visuele instellingen",
"Player style: ": "",
"Dark mode: ": "Donkere modus: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Smalle modus: ",
"Subscription preferences": "Abonnementsinstellingen",
"Show annotations by default for subscribed channels: ": "Standaard annotaties tonen voor geabonneerde kanalen? ",

4
locales/pl.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Pokaż powiązane filmy? ",
"Show annotations by default: ": "",
"Visual preferences": "Preferencje Wizualne",
"Player style: ": "",
"Dark mode: ": "Ciemny motyw: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Tryb minimalny: ",
"Subscription preferences": "Preferencje subskrybcji",
"Show annotations by default for subscribed channels: ": "",

4
locales/ru.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Показывать похожие видео? ",
"Show annotations by default: ": "Всегда показывать аннотации? ",
"Visual preferences": "Настройки сайта",
"Player style: ": "",
"Dark mode: ": "Тёмное оформление: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Облегчённое оформление: ",
"Subscription preferences": "Настройки подписок",
"Show annotations by default for subscribed channels: ": "Всегда показывать аннотации в видео каналов, на которые вы подписаны? ",

4
locales/uk.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "Показувати схожі відео? ",
"Show annotations by default: ": "Завжди показувати анотації? ",
"Visual preferences": "Налаштування сайту",
"Player style: ": "",
"Dark mode: ": "Темне оформлення: ",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "Полегшене оформлення: ",
"Subscription preferences": "Налаштування підписок",
"Show annotations by default for subscribed channels: ": "Завжди показувати анотації у відео каналів, на які ви підписані? ",

4
locales/zh-CN.json
View File

@ -68,7 +68,11 @@
"Show related videos: ": "显示相关视频？",
"Show annotations by default: ": "默认显示视频注释？",
"Visual preferences": "视觉选项",
"Player style: ": "",
"Dark mode: ": "暗色模式：",
"Theme: ": "",
"dark": "",
"light": "",
"Thin mode: ": "窄页模式：",
"Subscription preferences": "订阅设置",
"Show annotations by default for subscribed channels: ": "在订阅频道的视频默认显示注释？",

30
src/invidious.cr
View File

@ -267,8 +267,7 @@ before_all do |env|
end
end
dark_mode = env.params.query["dark_mode"]? || preferences.dark_mode.to_s
dark_mode = dark_mode == "true"
dark_mode = convert_theme(env.params.query["dark_mode"]?) || preferences.dark_mode.to_s
thin_mode = env.params.query["thin_mode"]? || preferences.thin_mode.to_s
thin_mode = thin_mode == "true"
@ -1528,8 +1527,7 @@ post "/preferences" do |env|
locale ||= CONFIG.default_user_preferences.locale
dark_mode = env.params.body["dark_mode"]?.try &.as(String)
dark_mode ||= "off"
dark_mode = dark_mode == "on"
dark_mode ||= CONFIG.default_user_preferences.dark_mode
thin_mode = env.params.body["thin_mode"]?.try &.as(String)
thin_mode ||= "off"
@ -1553,6 +1551,7 @@ post "/preferences" do |env|
notifications_only ||= "off"
notifications_only = notifications_only == "on"
# Convert to JSON and back again to take advantage of converters used for compatability
preferences = Preferences.from_json({
annotations: annotations,
annotations_subscribed: annotations_subscribed,
@ -1648,12 +1647,27 @@ get "/toggle_theme" do |env|
if user = env.get? "user"
user = user.as(User)
preferences = user.preferences
preferences.dark_mode = !preferences.dark_mode
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
case preferences.dark_mode
when "dark"
preferences.dark_mode = "light"
else
preferences.dark_mode = "dark"
end
preferences = preferences.to_json
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences, user.email)
else
preferences = env.get("preferences").as(Preferences)
preferences.dark_mode = !preferences.dark_mode
case preferences.dark_mode
when "dark"
preferences.dark_mode = "light"
else
preferences.dark_mode = "dark"
end
preferences = preferences.to_json
if Kemal.config.ssl || config.https_only
@ -2026,7 +2040,7 @@ post "/data_control" do |env|
env.response.puts %(<meta http-equiv="refresh" content="0; url=#{referer}">)
env.response.puts %(<link rel="stylesheet" href="/css/ionicons.min.css?v=#{ASSET_COMMIT}">)
env.response.puts %(<link rel="stylesheet" href="/css/default.css?v=#{ASSET_COMMIT}">)
if env.get("preferences").as(Preferences).dark_mode
if env.get("preferences").as(Preferences).dark_mode == "dark"
env.response.puts %(<link rel="stylesheet" href="/css/darktheme.css?v=#{ASSET_COMMIT}">)
else
env.response.puts %(<link rel="stylesheet" href="/css/lighttheme.css?v=#{ASSET_COMMIT}">)

74
src/invidious/helpers/helpers.cr
View File

@ -24,6 +24,27 @@ end
struct ConfigPreferences
module StringToArray
def self.to_json(value : Array(String), json : JSON::Builder)
json.array do
value.each do |element|
json.string element
end
end
end
def self.from_json(value : JSON::PullParser) : Array(String)
begin
result = [] of String
value.read_array do
result << HTML.escape(value.read_string[0, 100])
end
rescue ex
result = [HTML.escape(value.read_string[0, 100]), ""]
end
result
end
def self.to_yaml(value : Array(String), yaml : YAML::Nodes::Builder)
yaml.sequence do
value.each do |element|
@ -44,11 +65,11 @@ struct ConfigPreferences
node.raise "Expected scalar, not #{item.class}"
end
result << item.value
result << HTML.escape(item.value[0, 100])
end
rescue ex
if node.is_a?(YAML::Nodes::Scalar)
result = [node.value, ""]
result = [HTML.escape(node.value[0, 100]), ""]
else
result = ["", ""]
end
@ -58,6 +79,53 @@ struct ConfigPreferences
end
end
module BoolToString
def self.to_json(value : String, json : JSON::Builder)
json.string value
end
def self.from_json(value : JSON::PullParser) : String
begin
result = value.read_string
if result.empty?
CONFIG.default_user_preferences.dark_mode
else
result
end
rescue ex
result = value.read_bool
if result
"dark"
else
"light"
end
end
end
def self.to_yaml(value : String, yaml : YAML::Nodes::Builder)
yaml.scalar value
end
def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : String
unless node.is_a?(YAML::Nodes::Scalar)
node.raise "Expected sequence, not #{node.class}"
end
case node.value
when "true"
"dark"
when "false"
"light"
when ""
CONFIG.default_user_preferences.dark_mode
else
node.value
end
end
end
yaml_mapping({
annotations: {type: Bool, default: false},
annotations_subscribed: {type: Bool, default: false},
@ -66,7 +134,7 @@ struct ConfigPreferences
comments: {type: Array(String), default: ["youtube", ""], converter: StringToArray},
continue: {type: Bool, default: false},
continue_autoplay: {type: Bool, default: true},
dark_mode: {type: Bool, default: false},
dark_mode: {type: String, default: "", converter: BoolToString},
latest_only: {type: Bool, default: false},
listen: {type: Bool, default: false},
local: {type: Bool, default: false},

2
src/invidious/helpers/patch_mapping.cr
View File

@ -4,7 +4,7 @@ def Object.from_json(string_or_io, default) : self
new parser, default
end
# Adds configurable 'default' to
# Adds configurable 'default'
macro patched_json_mapping(_properties_, strict = false)
{% for key, value in _properties_ %}
{% _properties_[key] = {type: value} unless value.is_a?(HashLiteral) || value.is_a?(NamedTupleLiteral) %}

13
src/invidious/helpers/utils.cr
View File

@ -356,3 +356,16 @@ def parse_range(range)
return 0_i64, nil
end
def convert_theme(theme)
case theme
when "true"
"dark"
when "false"
"light"
when "", nil
nil
else
theme
end
end

62
src/invidious/users.cr
View File

@ -31,62 +31,6 @@ struct User
end
struct Preferences
module StringToArray
def self.to_json(value : Array(String), json : JSON::Builder)
json.array do
value.each do |element|
json.string element
end
end
end
def self.from_json(value : JSON::PullParser) : Array(String)
begin
result = [] of String
value.read_array do
result << HTML.escape(value.read_string[0, 100])
end
rescue ex
result = [HTML.escape(value.read_string[0, 100]), ""]
end
result
end
def self.to_yaml(value : Array(String), yaml : YAML::Nodes::Builder)
yaml.sequence do
value.each do |element|
yaml.scalar element
end
end
end
def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : Array(String)
begin
unless node.is_a?(YAML::Nodes::Sequence)
node.raise "Expected sequence, not #{node.class}"
end
result = [] of String
node.nodes.each do |item|
unless item.is_a?(YAML::Nodes::Scalar)
node.raise "Expected scalar, not #{item.class}"
end
result << HTML.escape(item.value[0, 100])
end
rescue ex
if node.is_a?(YAML::Nodes::Scalar)
result = [HTML.escape(node.value[0, 100]), ""]
else
result = ["", ""]
end
end
result
end
end
module ProcessString
def self.to_json(value : String, json : JSON::Builder)
json.string value
@ -127,11 +71,11 @@ struct Preferences
annotations: {type: Bool, default: CONFIG.default_user_preferences.annotations},
annotations_subscribed: {type: Bool, default: CONFIG.default_user_preferences.annotations_subscribed},
autoplay: {type: Bool, default: CONFIG.default_user_preferences.autoplay},
captions: {type: Array(String), default: CONFIG.default_user_preferences.captions, converter: StringToArray},
comments: {type: Array(String), default: CONFIG.default_user_preferences.comments, converter: StringToArray},
captions: {type: Array(String), default: CONFIG.default_user_preferences.captions, converter: ConfigPreferences::StringToArray},
comments: {type: Array(String), default: CONFIG.default_user_preferences.comments, converter: ConfigPreferences::StringToArray},
continue: {type: Bool, default: CONFIG.default_user_preferences.continue},
continue_autoplay: {type: Bool, default: CONFIG.default_user_preferences.continue_autoplay},
dark_mode: {type: Bool, default: CONFIG.default_user_preferences.dark_mode},
dark_mode: {type: String, default: CONFIG.default_user_preferences.dark_mode, converter: ConfigPreferences::BoolToString},
latest_only: {type: Bool, default: CONFIG.default_user_preferences.latest_only},
listen: {type: Bool, default: CONFIG.default_user_preferences.listen},
local: {type: Bool, default: CONFIG.default_user_preferences.local},

8
src/invidious/views/preferences.ecr
View File

@ -122,8 +122,12 @@ function update_value(element) {
</div>
<div class="pure-control-group">
<label for="dark_mode"><%= translate(locale, "Dark mode: ") %></label>
<input name="dark_mode" id="dark_mode" type="checkbox" <% if preferences.dark_mode %>checked<% end %>>
<label for="dark_mode"><%= translate(locale, "Theme: ") %></label>
<select name="dark_mode" id="dark_mode">
<% {"", "light", "dark"}.each do |option| %>
<option value="<%= option %>" <% if preferences.dark_mode == option %> selected <% end %>><%= translate(locale, option) %></option>
<% end %>
</select>
</div>
<div class="pure-control-group">

9
src/invidious/views/template.ecr
View File

@ -18,13 +18,14 @@
<link rel="stylesheet" href="/css/grids-responsive-min.css?v=<%= ASSET_COMMIT %>">
<link rel="stylesheet" href="/css/ionicons.min.css?v=<%= ASSET_COMMIT %>">
<link rel="stylesheet" href="/css/default.css?v=<%= ASSET_COMMIT %>">
<link rel="stylesheet" href="/css/darktheme.css?v=<%= ASSET_COMMIT %>" id="dark_theme" <% if !env.get("preferences").as(Preferences).dark_mode %>media="none"<% end %>>
<link rel="stylesheet" href="/css/lighttheme.css?v=<%= ASSET_COMMIT %>" id="light_theme" <% if env.get("preferences").as(Preferences).dark_mode %>media="none"<% end %>>
<link rel="stylesheet" href="/css/darktheme.css?v=<%= ASSET_COMMIT %>" id="dark_theme" <% if env.get("preferences").as(Preferences).dark_mode != "dark" %>media="none"<% end %>>
<link rel="stylesheet" href="/css/lighttheme.css?v=<%= ASSET_COMMIT %>" id="light_theme" <% if env.get("preferences").as(Preferences).dark_mode == "dark" %>media="none"<% end %>>
</head>
<% locale = LOCALES[env.get("preferences").as(Preferences).locale]? %>
<body>
<span style="display:none" id="dark_mode_pref"><%= env.get("preferences").as(Preferences).dark_mode %></span>
<div class="pure-g">
<div class="pure-u-1 pure-u-md-2-24"></div>
<div class="pure-u-1 pure-u-md-20-24">
@ -43,7 +44,7 @@
<% if env.get? "user" %>
<div class="pure-u-1-4">
<a id="toggle_theme" href="/toggle_theme?referer=<%= env.get?("current_page") %>" class="pure-menu-heading">
<% if env.get("preferences").as(Preferences).dark_mode %>
<% if env.get("preferences").as(Preferences).dark_mode == "dark" %>
<i class="icon ion-ios-sunny"></i>
<% else %>
<i class="icon ion-ios-moon"></i>
@ -76,7 +77,7 @@
<% else %>
<div class="pure-u-1-3">
<a id="toggle_theme" href="/toggle_theme?referer=<%= env.get?("current_page") %>" class="pure-menu-heading">
<% if env.get("preferences").as(Preferences).dark_mode %>
<% if env.get("preferences").as(Preferences).dark_mode == "dark" %>
<i class="icon ion-ios-sunny"></i>
<% else %>
<i class="icon ion-ios-moon"></i>