ec8bed38f4
[ Merge of http://go/wvgerrit/108084 ] The Widevine License Agreement has been renamed to use inclusive language. This covers files in the android directory. Bug: 168562298 Test: verified compilation (comment only change) Change-Id: I0f9e6445e0168ebe85425baeb81371e182e5a39c
61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine License
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// Agreement.
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//
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// Timer - Platform independent interface for a Timer class
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//
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#ifndef CDM_BASE_TIMER_H_
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#define CDM_BASE_TIMER_H_
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#include <stdint.h>
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#include "utils/StrongPointer.h"
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#include "disallow_copy_and_assign.h"
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namespace wvcdm {
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// Timer Handler class.
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//
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// Derive from this class if you wish to receive events when the timer
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// expires. Provide the handler when setting up a new Timer.
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class TimerHandler {
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public:
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TimerHandler() {}
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virtual ~TimerHandler() {}
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virtual void OnTimerEvent() = 0;
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};
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// Timer class. The implementation is platform dependent.
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//
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// This class provides a simple recurring timer API. The class receiving
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// timer expiry events should derive from TimerHandler.
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// Specify the receiver class and the periodicty of timer events when
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// the timer is initiated by calling Start.
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class Timer {
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public:
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class Impl;
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Timer();
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~Timer();
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bool Start(TimerHandler* handler, uint32_t time_in_secs);
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// Enable |wait_for_exit| only if the method is being invoked from a thread
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// other than the timer thread. Deadlock might occur if enabled and called
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// from the timer thread.
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void Stop(bool wait_for_exit);
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bool IsRunning();
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private:
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android::sp<Impl> impl_;
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CORE_DISALLOW_COPY_AND_ASSIGN(Timer);
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};
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} // namespace wvcdm
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#endif // CDM_BASE_TIMER_H_
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