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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "config.h" | |
| 6 | |
| 7 #include "cc/timer.h" | |
| 8 | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "cc/thread.h" | |
| 12 | |
| 13 namespace cc { | |
| 14 | |
| 15 class TimerTask : public Thread::Task { | |
| 16 public: | |
| 17 explicit TimerTask(Timer* timer) | |
| 18 : Thread::Task(0) | |
| 19 , m_timer(timer) | |
| 20 { | |
| 21 } | |
| 22 | |
| 23 virtual ~TimerTask() | |
| 24 { | |
| 25 if (!m_timer) | |
| 26 return; | |
| 27 | |
| 28 DCHECK(m_timer->m_task == this); | |
| 29 m_timer->stop(); | |
| 30 } | |
| 31 | |
| 32 virtual void performTask() OVERRIDE | |
| 33 { | |
| 34 if (!m_timer) | |
| 35 return; | |
| 36 | |
| 37 TimerClient* client = m_timer->m_client; | |
| 38 | |
| 39 m_timer->stop(); | |
| 40 if (client) | |
| 41 client->onTimerFired(); | |
| 42 } | |
| 43 | |
| 44 private: | |
| 45 friend class Timer; | |
| 46 | |
| 47 Timer* m_timer; // null if cancelled | |
| 48 }; | |
| 49 | |
| 50 Timer::Timer(Thread* thread, TimerClient* client) | |
| 51 : m_client(client) | |
| 52 , m_thread(thread) | |
| 53 , m_task(0) | |
| 54 { | |
| 55 } | |
| 56 | |
| 57 Timer::~Timer() | |
| 58 { | |
| 59 stop(); | |
| 60 } | |
| 61 | |
| 62 void Timer::startOneShot(double intervalSeconds) | |
| 63 { | |
| 64 stop(); | |
| 65 | |
| 66 m_task = new TimerTask(this); | |
| 67 | |
| 68 // The thread expects delays in milliseconds. | |
| 69 m_thread->postDelayedTask(adoptPtr(m_task), intervalSeconds * 1000.0); | |
| 70 } | |
| 71 | |
| 72 void Timer::stop() | |
| 73 { | |
| 74 if (!m_task) | |
| 75 return; | |
| 76 | |
| 77 m_task->m_timer = 0; | |
| 78 m_task = 0; | |
| 79 } | |
| 80 | |
| 81 } // namespace cc | |
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Chromium Code Reviews
Issue 11344004:
Remove WebKit::Platform dependencies from cc (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src