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/RetainPtr.h> 34 35 namespace WebCore { 36 37 // Time intervals are all in seconds. 38 39 class RunLoopTimerBase { 40 WTF_MAKE_NONCOPYABLE(RunLoopTimerBase); 41 public: RunLoopTimerBase()42 RunLoopTimerBase() { } 43 virtual ~RunLoopTimerBase(); 44 45 void schedule(const SchedulePair*); 46 void schedule(const SchedulePairHashSet&); 47 48 void start(double nextFireInterval, double repeatInterval); 49 startRepeating(double repeatInterval)50 void startRepeating(double repeatInterval) { start(repeatInterval, repeatInterval); } startOneShot(double interval)51 void startOneShot(double interval) { start(interval, 0); } 52 53 void stop(); 54 bool isActive() const; 55 56 virtual void fired() = 0; 57 58 private: 59 #if USE(CF) 60 RetainPtr<CFRunLoopTimerRef> m_timer; 61 #endif 62 }; 63 64 template <typename TimerFiredClass> class RunLoopTimer : public RunLoopTimerBase { 65 public: 66 typedef void (TimerFiredClass::*TimerFiredFunction)(RunLoopTimer*); 67 RunLoopTimer(TimerFiredClass * o,TimerFiredFunction f)68 RunLoopTimer(TimerFiredClass* o, TimerFiredFunction f) 69 : m_object(o), m_function(f) { } 70 fired()71 virtual void fired() { (m_object->*m_function)(this); } 72 73 private: 74 TimerFiredClass* m_object; 75 TimerFiredFunction m_function; 76 }; 77 78 } // namespace WebCore 79 80 #endif 81