1/* 2 * Copyright 2015, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef MEDIA_BATTERY_NOTIFIER_H 18#define MEDIA_BATTERY_NOTIFIER_H 19 20#include <binder/IBatteryStats.h> 21#include <utils/Singleton.h> 22#include <utils/String8.h> 23 24#include <map> 25#include <utility> 26 27namespace android { 28 29/** 30 * Class used for logging battery life events in mediaserver. 31 */ 32class BatteryNotifier : public Singleton<BatteryNotifier> { 33 34 friend class Singleton<BatteryNotifier>; 35 BatteryNotifier(); 36 37public: 38 ~BatteryNotifier(); 39 40 void noteStartVideo(); 41 void noteStopVideo(); 42 void noteResetVideo(); 43 void noteStartAudio(); 44 void noteStopAudio(); 45 void noteResetAudio(); 46 void noteFlashlightOn(const String8& id, int uid); 47 void noteFlashlightOff(const String8& id, int uid); 48 void noteResetFlashlight(); 49 void noteStartCamera(const String8& id, int uid); 50 void noteStopCamera(const String8& id, int uid); 51 void noteResetCamera(); 52 53private: 54 void onBatteryStatServiceDied(); 55 56 class DeathNotifier : public IBinder::DeathRecipient { 57 virtual void binderDied(const wp<IBinder>& /*who*/); 58 }; 59 60 Mutex mLock; 61 int mVideoRefCount; 62 int mAudioRefCount; 63 std::map<std::pair<String8, int>, bool> mFlashlightState; 64 std::map<std::pair<String8, int>, bool> mCameraState; 65 sp<IBatteryStats> mBatteryStatService; 66 sp<DeathNotifier> mDeathNotifier; 67 68 sp<IBatteryStats> getBatteryService_l(); 69}; 70 71} // namespace android 72 73#endif // MEDIA_BATTERY_NOTIFIER_H 74