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#include "config.h" 30 31#if PLATFORM(MAC) && HAVE(RUNLOOP_TIMER) 32 33#include "RunLoopTimer.h" 34 35namespace WebCore { 36 37RunLoopTimerBase::~RunLoopTimerBase() 38{ 39 stop(); 40} 41 42static void timerFired(CFRunLoopTimerRef, void* context) 43{ 44 RunLoopTimerBase* timer = static_cast<RunLoopTimerBase*>(context); 45 timer->fired(); 46} 47 48void RunLoopTimerBase::start(double nextFireInterval, double repeatInterval) 49{ 50 if (m_timer) 51 CFRunLoopTimerInvalidate(m_timer.get()); 52 CFRunLoopTimerContext context = { 0, this, 0, 0, 0 }; 53 m_timer.adoptCF(CFRunLoopTimerCreate(0, CFAbsoluteTimeGetCurrent() + nextFireInterval, repeatInterval, 0, 0, timerFired, &context)); 54} 55 56void RunLoopTimerBase::schedule(const SchedulePair* schedulePair) 57{ 58 ASSERT_ARG(schedulePair, schedulePair); 59 ASSERT_WITH_MESSAGE(m_timer, "Timer must have one of the start functions called before calling schedule()."); 60 CFRunLoopAddTimer(schedulePair->runLoop(), m_timer.get(), schedulePair->mode()); 61} 62 63void RunLoopTimerBase::schedule(const SchedulePairHashSet& schedulePairs) 64{ 65 SchedulePairHashSet::const_iterator end = schedulePairs.end(); 66 for (SchedulePairHashSet::const_iterator it = schedulePairs.begin(); it != end; ++it) 67 schedule((*it).get()); 68} 69 70void RunLoopTimerBase::stop() 71{ 72 if (!m_timer) 73 return; 74 CFRunLoopTimerInvalidate(m_timer.get()); 75 m_timer = 0; 76} 77 78bool RunLoopTimerBase::isActive() const 79{ 80 return m_timer && CFRunLoopTimerIsValid(m_timer.get()); 81} 82 83} // namespace WebCore 84 85#endif // PLATFORM(MAC) && HAVE(RUNLOOP_TIMER) 86