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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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