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
35 namespace WebCore {
36
~RunLoopTimerBase()37 RunLoopTimerBase::~RunLoopTimerBase()
38 {
39 stop();
40 }
41
timerFired(CFRunLoopTimerRef,void * context)42 static void timerFired(CFRunLoopTimerRef, void* context)
43 {
44 RunLoopTimerBase* timer = static_cast<RunLoopTimerBase*>(context);
45 timer->fired();
46 }
47
start(double nextFireInterval,double repeatInterval)48 void 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
schedule(const SchedulePair * schedulePair)56 void 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
schedule(const SchedulePairHashSet & schedulePairs)63 void 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
stop()70 void RunLoopTimerBase::stop()
71 {
72 if (!m_timer)
73 return;
74 CFRunLoopTimerInvalidate(m_timer.get());
75 m_timer = 0;
76 }
77
isActive() const78 bool 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