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/*
* Copyright (C) 2015 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.
*/
#ifndef A_WAKELOCK_H_
#define A_WAKELOCK_H_
#include <media/stagefright/foundation/ABase.h>
#include <powermanager/IPowerManager.h>
#include <utils/RefBase.h>
namespace android {
class AWakeLock : public RefBase {
public:
AWakeLock();
// NOTE: acquire and release are not thread safe
// returns true if wakelock was acquired
bool acquire();
void release(bool force = false);
virtual ~AWakeLock();
private:
sp<IPowerManager> mPowerManager;
sp<IBinder> mWakeLockToken;
uint32_t mWakeLockCount;
class PMDeathRecipient : public IBinder::DeathRecipient {
public:
PMDeathRecipient(AWakeLock *wakeLock) : mWakeLock(wakeLock) {}
virtual ~PMDeathRecipient() {}
// IBinder::DeathRecipient
virtual void binderDied(const wp<IBinder> &who);
private:
PMDeathRecipient(const PMDeathRecipient&);
PMDeathRecipient& operator= (const PMDeathRecipient&);
AWakeLock *mWakeLock;
};
const sp<PMDeathRecipient> mDeathRecipient;
void clearPowerManager();
DISALLOW_EVIL_CONSTRUCTORS(AWakeLock);
};
} // namespace android
#endif // A_WAKELOCK_H_
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