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/*
* Copyright (C) 2009 Apple 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 RunLoopTimer_h
#define RunLoopTimer_h
#include <wtf/SchedulePair.h>
#include <wtf/Seconds.h>
#include <wtf/RetainPtr.h>
namespace WTF {
// Time intervals are all in seconds.
class WTF_EXPORT_PRIVATE RunLoopTimerBase {
WTF_MAKE_NONCOPYABLE(RunLoopTimerBase);
public:
RunLoopTimerBase() { }
WTF_EXPORT_PRIVATE virtual ~RunLoopTimerBase();
WTF_EXPORT_PRIVATE void schedule(const SchedulePair*);
WTF_EXPORT_PRIVATE void schedule(const SchedulePairHashSet&);
WTF_EXPORT_PRIVATE void start(Seconds nextFireInterval, Seconds repeatInterval);
void startRepeating(Seconds repeatInterval) { start(repeatInterval, repeatInterval); }
void startOneShot(Seconds interval) { start(interval, 0_s); }
WTF_EXPORT_PRIVATE void stop();
bool isActive() const;
virtual void fired() = 0;
private:
#if USE(CF)
RetainPtr<CFRunLoopTimerRef> m_timer;
#endif
};
// FIXME: This doesn't have to be a class template.
template <typename TimerFiredClass> class RunLoopTimer : public RunLoopTimerBase {
public:
typedef void (TimerFiredClass::*TimerFiredFunction)();
RunLoopTimer(TimerFiredClass& o, TimerFiredFunction f)
: m_object(&o), m_function(f) { }
virtual void fired() { (m_object->*m_function)(); }
private:
TimerFiredClass* m_object;
TimerFiredFunction m_function;
};
} // namespace WTF
using WTF::RunLoopTimer;
#endif