/**************************************************************************/ /* power_android.cpp */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ /* Adapted from corresponding SDL 2.0 code. */ /* * Simple DirectMedia Layer * Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org> * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any damages * arising from the use of this software. * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not * claim that you wrote the original software. If you use this software * in a product, an acknowledgment in the product documentation would be * appreciated but is not required. * 2. Altered source versions must be plainly marked as such, and must not be * misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. */ #include "power_android.h" #include "core/error_macros.h" static void LocalReferenceHolder_Cleanup(struct LocalReferenceHolder *refholder) { if (refholder->m_env) { JNIEnv *env = refholder->m_env; (*env)->PopLocalFrame(env, NULL); --s_active; } } static struct LocalReferenceHolder LocalReferenceHolder_Setup(const char *func) { struct LocalReferenceHolder refholder; refholder.m_env = NULL; refholder.m_func = func; return refholder; } static bool LocalReferenceHolder_Init(struct LocalReferenceHolder *refholder, JNIEnv *env) { const int capacity = 16; if ((*env)->PushLocalFrame(env, capacity) < 0) { return false; } ++s_active; refholder->m_env = env; return true; } static SDL_bool LocalReferenceHolder_IsActive(void) { return s_active > 0; } ANativeWindow *Android_JNI_GetNativeWindow(void) { ANativeWindow *anw; jobject s; JNIEnv *env = Android_JNI_GetEnv(); s = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetNativeSurface); anw = ANativeWindow_fromSurface(env, s); (*env)->DeleteLocalRef(env, s); return anw; } /* * CODE CHUNK IMPORTED FROM SDL 2.0 * returns 0 on success or -1 on error (others undefined then) * returns truthy or falsy value in plugged, charged and battery * returns the value in seconds and percent or -1 if not available */ int Android_JNI_GetPowerInfo(int *plugged, int *charged, int *battery, int *seconds, int *percent) { env = Android_JNI_GetEnv(); refs = LocalReferenceHolder_Setup(__FUNCTION__); if (!LocalReferenceHolder_Init(&refs, env)) { LocalReferenceHolder_Cleanup(&refs); return -1; } mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext", "()Landroid/content/Context;"); context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid); action = (*env)->NewStringUTF(env, "android.intent.action.BATTERY_CHANGED"); cls = (*env)->FindClass(env, "android/content/IntentFilter"); mid = (*env)->GetMethodID(env, cls, "<init>", "(Ljava/lang/String;)V"); filter = (*env)->NewObject(env, cls, mid, action); (*env)->DeleteLocalRef(env, action); mid = (*env)->GetMethodID(env, mActivityClass, "registerReceiver", "(Landroid/content/BroadcastReceiver;Landroid/content/IntentFilter;)Landroid/content/Intent;"); intent = (*env)->CallObjectMethod(env, context, mid, NULL, filter); (*env)->DeleteLocalRef(env, filter); cls = (*env)->GetObjectClass(env, intent); imid = (*env)->GetMethodID(env, cls, "getIntExtra", "(Ljava/lang/String;I)I"); // Watch out for C89 scoping rules because of the macro #define GET_INT_EXTRA(var, key) \ int var; \ iname = (*env)->NewStringUTF(env, key); \ var = (*env)->CallIntMethod(env, intent, imid, iname, -1); \ (*env)->DeleteLocalRef(env, iname); bmid = (*env)->GetMethodID(env, cls, "getBooleanExtra", "(Ljava/lang/String;Z)Z"); // Watch out for C89 scoping rules because of the macro #define GET_BOOL_EXTRA(var, key) \ int var; \ bname = (*env)->NewStringUTF(env, key); \ var = (*env)->CallBooleanMethod(env, intent, bmid, bname, JNI_FALSE); \ (*env)->DeleteLocalRef(env, bname); if (plugged) { // Watch out for C89 scoping rules because of the macro GET_INT_EXTRA(plug, "plugged") // == BatteryManager.EXTRA_PLUGGED (API 5) if (plug == -1) { LocalReferenceHolder_Cleanup(&refs); return -1; } // 1 == BatteryManager.BATTERY_PLUGGED_AC // 2 == BatteryManager.BATTERY_PLUGGED_USB *plugged = (0 < plug) ? 1 : 0; } if (charged) { // Watch out for C89 scoping rules because of the macro GET_INT_EXTRA(status, "status") // == BatteryManager.EXTRA_STATUS (API 5) if (status == -1) { LocalReferenceHolder_Cleanup(&refs); return -1; } // 5 == BatteryManager.BATTERY_STATUS_FULL *charged = (status == 5) ? 1 : 0; } if (battery) { GET_BOOL_EXTRA(present, "present") // == BatteryManager.EXTRA_PRESENT (API 5) *battery = present ? 1 : 0; } if (seconds) { *seconds = -1; // not possible } if (percent) { int level; int scale; // Watch out for C89 scoping rules because of the macro { GET_INT_EXTRA(level_temp, "level") // == BatteryManager.EXTRA_LEVEL (API 5) level = level_temp; } // Watch out for C89 scoping rules because of the macro { GET_INT_EXTRA(scale_temp, "scale") // == BatteryManager.EXTRA_SCALE (API 5) scale = scale_temp; } if ((level == -1) || (scale == -1)) { LocalReferenceHolder_Cleanup(&refs); return -1; } *percent = level * 100 / scale; } (*env)->DeleteLocalRef(env, intent); LocalReferenceHolder_Cleanup(&refs); return 0; } bool PowerAndroid::GetPowerInfo_Android() { int battery; int plugged; int charged; if (Android_JNI_GetPowerInfo(&plugged, &charged, &battery, &this->nsecs_left, &this->percent_left) != -1) { if (plugged) { if (charged) { this->power_state = OS::POWERSTATE_CHARGED; } else if (battery) { this->power_state = OS::POWERSTATE_CHARGING; } else { this->power_state = OS::POWERSTATE_NO_BATTERY; this->nsecs_left = -1; this->percent_left = -1; } } else { this->power_state = OS::POWERSTATE_ON_BATTERY; } } else { this->power_state = OS::POWERSTATE_UNKNOWN; this->nsecs_left = -1; this->percent_left = -1; } return true; } OS::PowerState PowerAndroid::get_power_state() { if (GetPowerInfo_Android()) { return power_state; } else { WARN_PRINT("Power management is not implemented on this platform, defaulting to POWERSTATE_UNKNOWN"); return OS::POWERSTATE_UNKNOWN; } } int PowerAndroid::get_power_seconds_left() { if (GetPowerInfo_Android()) { return nsecs_left; } else { WARN_PRINT("Power management is not implemented on this platform, defaulting to -1"); return -1; } } int PowerAndroid::get_power_percent_left() { if (GetPowerInfo_Android()) { return percent_left; } else { WARN_PRINT("Power management is not implemented on this platform, defaulting to -1"); return -1; } } PowerAndroid::PowerAndroid() : nsecs_left(-1), percent_left(-1), power_state(OS::POWERSTATE_UNKNOWN) { } PowerAndroid::~PowerAndroid() { }