69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
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/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef A_WAKELOCK_H_
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#define A_WAKELOCK_H_
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#include <media/stagefright/foundation/ABase.h>
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#include <android/os/IPowerManager.h>
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#include <utils/RefBase.h>
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namespace android {
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class AWakeLock : public RefBase {
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public:
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AWakeLock();
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// NOTE: acquire and release are not thread safe
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// returns true if wakelock was acquired
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bool acquire();
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void release(bool force = false);
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virtual ~AWakeLock();
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private:
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sp<os::IPowerManager> mPowerManager;
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sp<IBinder> mWakeLockToken;
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uint32_t mWakeLockCount;
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class PMDeathRecipient : public IBinder::DeathRecipient {
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public:
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explicit PMDeathRecipient(AWakeLock *wakeLock) : mWakeLock(wakeLock) {}
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virtual ~PMDeathRecipient() {}
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// IBinder::DeathRecipient
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virtual void binderDied(const wp<IBinder> &who);
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private:
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PMDeathRecipient(const PMDeathRecipient&);
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PMDeathRecipient& operator= (const PMDeathRecipient&);
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AWakeLock *mWakeLock;
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};
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const sp<PMDeathRecipient> mDeathRecipient;
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void clearPowerManager();
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DISALLOW_EVIL_CONSTRUCTORS(AWakeLock);
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};
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} // namespace android
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#endif // A_WAKELOCK_H_
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