/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ThreadTimers_h
#define ThreadTimers_h
#include "platform/PlatformExport.h"
#include "wtf/Noncopyable.h"
#include "wtf/HashSet.h"
#include "wtf/Vector.h"
namespace WebCore {
class SharedTimer;
class TimerBase;
// A collection of timers per thread. Kept in PlatformThreadData.
class PLATFORM_EXPORT ThreadTimers {
WTF_MAKE_NONCOPYABLE(ThreadTimers); WTF_MAKE_FAST_ALLOCATED;
public:
ThreadTimers();
// On a thread different then main, we should set the thread's instance of the SharedTimer.
void setSharedTimer(SharedTimer*);
Vector<TimerBase*>& timerHeap() { return m_timerHeap; }
void updateSharedTimer();
void fireTimersInNestedEventLoop();
private:
static void sharedTimerFired();
void sharedTimerFiredInternal();
void fireTimersInNestedEventLoopInternal();
Vector<TimerBase*> m_timerHeap;
SharedTimer* m_sharedTimer; // External object, can be a run loop on a worker thread. Normally set/reset by worker thread.
bool m_firingTimers; // Reentrancy guard.
double m_pendingSharedTimerFireTime;
};
}
#endif