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/*
* 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