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| 1 /* | |
| 2 * Copyright (C) 2007, 2008, 2009, 2010 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 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 #include "config.h" | |
| 26 | |
| 27 #include "QTMovieTask.h" | |
| 28 | |
| 29 // Put Movies.h first so build failures here point clearly to QuickTime | |
| 30 #include <Movies.h> | |
| 31 | |
| 32 #include <wtf/HashSet.h> | |
| 33 #include <wtf/StdLibExtras.h> | |
| 34 #include <wtf/Vector.h> | |
| 35 | |
| 36 QTMovieTask::QTMovieTask() | |
| 37 : m_setTaskTimerDelay(0) | |
| 38 , m_stopTaskTimer(0) | |
| 39 { | |
| 40 } | |
| 41 | |
| 42 QTMovieTask::~QTMovieTask() | |
| 43 { | |
| 44 } | |
| 45 | |
| 46 QTMovieTask* QTMovieTask::sharedTask() | |
| 47 { | |
| 48 static QTMovieTask* s_sharedTask = new QTMovieTask; | |
| 49 return s_sharedTask; | |
| 50 } | |
| 51 | |
| 52 void QTMovieTask::updateTaskTimer(double maxInterval, double minInterval) | |
| 53 { | |
| 54 ASSERT(m_setTaskTimerDelay); | |
| 55 if (!m_setTaskTimerDelay) | |
| 56 return; | |
| 57 | |
| 58 ASSERT(m_stopTaskTimer); | |
| 59 if (!m_taskList.size() && m_stopTaskTimer) { | |
| 60 m_stopTaskTimer(); | |
| 61 return; | |
| 62 } | |
| 63 | |
| 64 long intervalInMS; | |
| 65 OSStatus status = QTGetTimeUntilNextTask(&intervalInMS, 1000); | |
| 66 double interval = intervalInMS / 1000.0; | |
| 67 if (interval < minInterval) | |
| 68 interval = minInterval; | |
| 69 if (interval > maxInterval) | |
| 70 interval = maxInterval; | |
| 71 m_setTaskTimerDelay(interval); | |
| 72 } | |
| 73 | |
| 74 void QTMovieTask::fireTaskClients() | |
| 75 { | |
| 76 Vector<QTMovieTaskClient*> clients; | |
| 77 copyToVector(m_taskList, clients); | |
| 78 for (Vector<QTMovieTaskClient*>::iterator i = clients.begin(); i != clients.
end(); ++i) | |
| 79 (*i)->task(); | |
| 80 } | |
| 81 | |
| 82 void QTMovieTask::addTaskClient(QTMovieTaskClient* client) | |
| 83 { | |
| 84 ASSERT(client); | |
| 85 if (!client) | |
| 86 return; | |
| 87 | |
| 88 m_taskList.add(client); | |
| 89 } | |
| 90 | |
| 91 void QTMovieTask::removeTaskClient(QTMovieTaskClient* client) | |
| 92 { | |
| 93 ASSERT(client); | |
| 94 if (!client) | |
| 95 return; | |
| 96 | |
| 97 m_taskList.remove(client); | |
| 98 } | |
| 99 | |
| 100 void QTMovieTask::setTaskTimerFuncs(SetTaskTimerDelayFunc setTaskTimerDelay, Sto
pTaskTimerFunc stopTaskTimer) | |
| 101 { | |
| 102 m_setTaskTimerDelay = setTaskTimerDelay; | |
| 103 m_stopTaskTimer = stopTaskTimer; | |
| 104 } | |
| 105 | |
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