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| 1 /* | |
| 2 * Copyright (C) 2006 Apple Computer, 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 | |
| 26 #include "config.h" | |
| 27 #include "SharedTimer.h" | |
| 28 #include "SystemTime.h" | |
| 29 #include "Assertions.h" | |
| 30 | |
| 31 #undef LOG | |
| 32 | |
| 33 #include "base/message_loop.h" | |
| 34 | |
| 35 namespace WebCore { | |
| 36 | |
| 37 class WebkitTimerTask; | |
| 38 | |
| 39 // We maintain a single active timer and a single active task for | |
| 40 // setting timers directly on the platform. | |
| 41 static WebkitTimerTask* msgLoopTask; | |
| 42 static void (*sharedTimerFiredFunction)(); | |
| 43 | |
| 44 // Timer task to run in the chrome message loop. | |
| 45 class WebkitTimerTask : public Task { | |
| 46 public: | |
| 47 WebkitTimerTask(void (*callback)()) : m_callback(callback) {} | |
| 48 | |
| 49 virtual void Run() { | |
| 50 if (!m_callback) | |
| 51 return; | |
| 52 // Since we only have one task running at a time, verify that it | |
| 53 // is 'this'. | |
| 54 ASSERT(msgLoopTask == this); | |
| 55 msgLoopTask = NULL; | |
| 56 m_callback(); | |
| 57 } | |
| 58 | |
| 59 void Cancel() { | |
| 60 m_callback = NULL; | |
| 61 } | |
| 62 | |
| 63 private: | |
| 64 void (*m_callback)(); | |
| 65 | |
| 66 DISALLOW_COPY_AND_ASSIGN(WebkitTimerTask); | |
| 67 }; | |
| 68 | |
| 69 void setSharedTimerFiredFunction(void (*f)()) | |
| 70 { | |
| 71 sharedTimerFiredFunction = f; | |
| 72 } | |
| 73 | |
| 74 void setSharedTimerFireTime(double fireTime) | |
| 75 { | |
| 76 ASSERT(sharedTimerFiredFunction); | |
| 77 int interval = static_cast<int>( (fireTime - currentTime()) * 1000); | |
| 78 if (interval < 0) | |
| 79 interval = 0; | |
| 80 | |
| 81 stopSharedTimer(); | |
| 82 | |
| 83 // Verify that we didn't leak the task or timer objects. | |
| 84 ASSERT(msgLoopTask == NULL); | |
| 85 | |
| 86 msgLoopTask = new WebkitTimerTask(sharedTimerFiredFunction); | |
| 87 MessageLoop::current()->PostDelayedTask(FROM_HERE, msgLoopTask, interval); | |
| 88 } | |
| 89 | |
| 90 void stopSharedTimer() | |
| 91 { | |
| 92 if (!msgLoopTask) | |
| 93 return; | |
| 94 | |
| 95 msgLoopTask->Cancel(); | |
| 96 msgLoopTask = NULL; | |
| 97 } | |
| 98 | |
| 99 } // namespace WebCore | |
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Chromium Code Reviews
Issue 7419:
Move many files that were suffixed Win.cpp to Chromium.cpp, and place them in... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/