/* * 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 "platform/PlatformExport.h" #include "wtf/FastAllocBase.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 PLATFORM_EXPORT SharedTimer { WTF_MAKE_NONCOPYABLE(SharedTimer); WTF_MAKE_FAST_ALLOCATED; public: SharedTimer() { } virtual ~SharedTimer() {} virtual void setFiredFunction(void (*)()) = 0; // The fire interval is in seconds relative to the current monotonic clock time. virtual void setFireInterval(double) = 0; virtual void stop() = 0; }; PLATFORM_EXPORT void setSharedTimerFiredFunction(void (*)()); PLATFORM_EXPORT void setSharedTimerFireInterval(double); PLATFORM_EXPORT void stopSharedTimer(); class PLATFORM_EXPORT MainThreadSharedTimer : public SharedTimer { public: virtual void setFiredFunction(void (*function)()) OVERRIDE { setSharedTimerFiredFunction(function); } virtual void setFireInterval(double interval) OVERRIDE { setSharedTimerFireInterval(interval); } virtual void stop() OVERRIDE { stopSharedTimer(); } }; } // namespace WebCore #endif // SharedTimer_h