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1 /* | |
2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. | |
3 * Copyright (C) 2009 Google Inc. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
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 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | |
27 #ifndef ThreadTimers_h | |
28 #define ThreadTimers_h | |
29 | |
30 #include "platform/PlatformExport.h" | |
31 #include "platform/SharedTimer.h" | |
32 #include "wtf/Noncopyable.h" | |
33 #include "wtf/HashSet.h" | |
34 #include "wtf/Vector.h" | |
35 | |
36 namespace blink { | |
37 | |
38 class TimerBase; | |
39 | |
40 // A collection of timers per thread. Kept in PlatformThreadData. | |
41 class PLATFORM_EXPORT ThreadTimers { | |
42 WTF_MAKE_NONCOPYABLE(ThreadTimers); WTF_MAKE_FAST_ALLOCATED(ThreadTimers); | |
43 public: | |
44 ThreadTimers(); | |
45 | |
46 // On a thread different then main, we should set the thread's instance of t
he SharedTimer. | |
47 void setSharedTimer(WTF::PassOwnPtr<SharedTimer>); | |
48 | |
49 Vector<TimerBase*>& timerHeap() { return m_timerHeap; } | |
50 | |
51 void updateSharedTimer(); | |
52 double nextFireTime() const { return m_pendingSharedTimerFireTime; } | |
53 | |
54 private: | |
55 static void sharedTimerFired(); | |
56 | |
57 void sharedTimerFiredInternal(); | |
58 | |
59 Vector<TimerBase*> m_timerHeap; | |
60 OwnPtr<SharedTimer> m_sharedTimer; | |
61 bool m_firingTimers; // Reentrancy guard. | |
62 double m_pendingSharedTimerFireTime; | |
63 }; | |
64 | |
65 } | |
66 | |
67 #endif | |
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