/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <stdint.h> #include <sys/types.h> #include <utils/Singleton.h> namespace android { // --------------------------------------------------------------------------- class BatteryService : public Singleton<BatteryService> { static const int TRANSACTION_noteStartSensor = IBinder::FIRST_CALL_TRANSACTION + 3; static const int TRANSACTION_noteStopSensor = IBinder::FIRST_CALL_TRANSACTION + 4; static const String16 DESCRIPTOR; friend class Singleton<BatteryService>; sp<IBinder> mBatteryStatService; BatteryService(); status_t noteStartSensor(int uid, int handle); status_t noteStopSensor(int uid, int handle); void enableSensorImpl(uid_t uid, int handle); void disableSensorImpl(uid_t uid, int handle); void cleanupImpl(uid_t uid); struct Info { uid_t uid; int handle; int32_t count; Info() : uid(0), handle(0), count(0) { } Info(uid_t uid, int handle) : uid(uid), handle(handle), count(0) { } bool operator < (const Info& rhs) const { return (uid == rhs.uid) ? (handle < rhs.handle) : (uid < rhs.uid); } }; Mutex mActivationsLock; SortedVector<Info> mActivations; bool addSensor(uid_t uid, int handle); bool removeSensor(uid_t uid, int handle); public: static void enableSensor(uid_t uid, int handle) { BatteryService::getInstance().enableSensorImpl(uid, handle); } static void disableSensor(uid_t uid, int handle) { BatteryService::getInstance().disableSensorImpl(uid, handle); } static void cleanup(uid_t uid) { BatteryService::getInstance().cleanupImpl(uid); } }; // --------------------------------------------------------------------------- }; // namespace android