1 /* 2 * Copyright (C) 2012 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 #include <stdint.h> 18 #include <sys/types.h> 19 20 #include <binder/IBatteryStats.h> 21 #include <utils/Singleton.h> 22 23 namespace android { 24 // --------------------------------------------------------------------------- 25 26 class BatteryService : public Singleton<BatteryService> { 27 28 friend class Singleton<BatteryService>; 29 sp<IBatteryStats> mBatteryStatService; 30 31 BatteryService(); 32 33 void enableSensorImpl(uid_t uid, int handle); 34 void disableSensorImpl(uid_t uid, int handle); 35 void cleanupImpl(uid_t uid); 36 37 struct Info { 38 uid_t uid; 39 int handle; 40 int32_t count; 41 Info() : uid(0), handle(0), count(0) { } 42 Info(uid_t uid, int handle) : uid(uid), handle(handle), count(0) { } 43 bool operator < (const Info& rhs) const { 44 return (uid == rhs.uid) ? (handle < rhs.handle) : (uid < rhs.uid); 45 } 46 }; 47 48 Mutex mActivationsLock; 49 SortedVector<Info> mActivations; 50 bool addSensor(uid_t uid, int handle); 51 bool removeSensor(uid_t uid, int handle); 52 bool checkService(); 53 54 public: 55 static void enableSensor(uid_t uid, int handle) { 56 BatteryService::getInstance().enableSensorImpl(uid, handle); 57 } 58 static void disableSensor(uid_t uid, int handle) { 59 BatteryService::getInstance().disableSensorImpl(uid, handle); 60 } 61 static void cleanup(uid_t uid) { 62 BatteryService::getInstance().cleanupImpl(uid); 63 } 64 }; 65 66 // --------------------------------------------------------------------------- 67 }; // namespace android 68 69
