/* * Copyright (C) 2011 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "cc/CCTimer.h" namespace WebCore { class CCTimerTask : public CCThread::Task { public: explicit CCTimerTask(CCTimer* timer) : CCThread::Task(0) , m_timer(timer) { } ~CCTimerTask() { if (!m_timer) return; ASSERT(m_timer->m_task == this); m_timer->stop(); } void performTask() { if (!m_timer || !m_timer->m_client) return; m_timer->m_client->onTimerFired(); } private: friend class CCTimer; CCTimer* m_timer; // null if cancelled }; CCTimer::CCTimer(CCThread* thread, CCTimerClient* client) : m_client(client) , m_thread(thread) , m_task(0) { } CCTimer::~CCTimer() { stop(); } void CCTimer::startOneShot(double intervalSeconds) { stop(); m_task = new CCTimerTask(this); // The thread expects delays in milliseconds. m_thread->postDelayedTask(adoptPtr(m_task), intervalSeconds * 1000.0); } void CCTimer::stop() { if (!m_task) return; m_task->m_timer = 0; m_task = 0; } } // namespace WebCore