1/* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef RunLoopTimer_h 30#define RunLoopTimer_h 31 32#include "SchedulePair.h" 33#include <wtf/Noncopyable.h> 34#include <wtf/RetainPtr.h> 35 36namespace WebCore { 37 38// Time intervals are all in seconds. 39 40class RunLoopTimerBase : public Noncopyable { 41public: 42 virtual ~RunLoopTimerBase(); 43 44 void schedule(const SchedulePair*); 45 void schedule(const SchedulePairHashSet&); 46 47 void start(double nextFireInterval, double repeatInterval); 48 49 void startRepeating(double repeatInterval) { start(repeatInterval, repeatInterval); } 50 void startOneShot(double interval) { start(interval, 0); } 51 52 void stop(); 53 bool isActive() const; 54 55 virtual void fired() = 0; 56 57private: 58#if PLATFORM(CF) 59 RetainPtr<CFRunLoopTimerRef> m_timer; 60#endif 61}; 62 63template <typename TimerFiredClass> class RunLoopTimer : public RunLoopTimerBase { 64public: 65 typedef void (TimerFiredClass::*TimerFiredFunction)(RunLoopTimer*); 66 67 RunLoopTimer(TimerFiredClass* o, TimerFiredFunction f) 68 : m_object(o), m_function(f) { } 69 70 virtual void fired() { (m_object->*m_function)(this); } 71 72private: 73 TimerFiredClass* m_object; 74 TimerFiredFunction m_function; 75}; 76 77} // namespace WebCore 78 79#endif 80