/* | |
* Copyright (C) 2006 Apple Computer, 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 SharedTimer_h | |
#define SharedTimer_h | |
#include <wtf/Noncopyable.h> | |
namespace WebCore { | |
// Each thread has its own single instance of shared timer, which implements this interface. | |
// This instance is shared by all timers in the thread. | |
// Not intended to be used directly; use the Timer class instead. | |
class SharedTimer : public Noncopyable { | |
public: | |
virtual ~SharedTimer() {} | |
virtual void setFiredFunction(void (*)()) = 0; | |
// The fire time is relative to the classic POSIX epoch of January 1, 1970, | |
// as the result of currentTime() is. | |
virtual void setFireTime(double) = 0; | |
virtual void stop() = 0; | |
}; | |
// Implemented by port (since it provides the run loop for the main thread). | |
// FIXME: make ports implement MainThreadSharedTimer directly instead. | |
void setSharedTimerFiredFunction(void (*)()); | |
void setSharedTimerFireTime(double); | |
void stopSharedTimer(); | |
// Implementation of SharedTimer for the main thread. | |
class MainThreadSharedTimer : public SharedTimer { | |
public: | |
virtual void setFiredFunction(void (*function)()) | |
{ | |
setSharedTimerFiredFunction(function); | |
} | |
virtual void setFireTime(double fireTime) | |
{ | |
setSharedTimerFireTime(fireTime); | |
} | |
virtual void stop() | |
{ | |
stopSharedTimer(); | |
} | |
}; | |
} // namespace WebCore | |
#endif // SharedTimer_h |