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Code Releases Wiki Activity

Add API to access battery power state

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Done:
- X11, server (tested)
- Windows (developed, would be nice to retest)
- OSX (not tested)
Prepared (not developed):
- Android (code is here, but may not compile)
- iphone
- winrt
- bb10
- haiku
- javascript
This commit is contained in:
Julian Murgia
2016-07-23 13:15:55 +02:00
committed by Rémi Verschelde
parent ef174abf6d
commit 94103c0c02
44 changed files with 2162 additions and 1 deletions
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238
platform/android/power_android.cpp Normal file
View File

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/*************************************************************************/
/* power_android.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 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. */
/*************************************************************************/
#include "core/error_macros.h"
#include "power_android.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 power_android::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 = POWERSTATE_CHARGED;
} else if (battery) {
this->power_state = POWERSTATE_CHARGING;
} else {
this->power_state = POWERSTATE_NO_BATTERY;
this->nsecs_left = -1;
this->percent_left = -1;
}
} else {
this->power_state = POWERSTATE_ON_BATTERY;
}
} else {
this->power_state = POWERSTATE_UNKNOWN;
this->nsecs_left = -1;
this->percent_left = -1;
}
return true;
}
PowerState power_android::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 POWERSTATE_UNKNOWN;
}
}
int power_android::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 power_android::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;
}
}
power_android::power_android() : nsecs_left(-1), percent_left(-1), power_state(POWERSTATE_UNKNOWN) {
}
power_android::~power_android() {
}