| /* |
| * Copyright (C) 2007, 2008, 2009, 2010 Apple, 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "QTMovieTask.h" |
| |
| // Put Movies.h first so build failures here point clearly to QuickTime |
| #include <Movies.h> |
| |
| #include <wtf/HashSet.h> |
| #include <wtf/StdLibExtras.h> |
| #include <wtf/Vector.h> |
| |
| QTMovieTask::QTMovieTask() |
| : m_setTaskTimerDelay(0) |
| , m_stopTaskTimer(0) |
| { |
| } |
| |
| QTMovieTask::~QTMovieTask() |
| { |
| } |
| |
| QTMovieTask* QTMovieTask::sharedTask() |
| { |
| static QTMovieTask* s_sharedTask = new QTMovieTask; |
| return s_sharedTask; |
| } |
| |
| void QTMovieTask::updateTaskTimer(double maxInterval, double minInterval) |
| { |
| ASSERT(m_setTaskTimerDelay); |
| if (!m_setTaskTimerDelay) |
| return; |
| |
| ASSERT(m_stopTaskTimer); |
| if (!m_taskList.size() && m_stopTaskTimer) { |
| m_stopTaskTimer(); |
| return; |
| } |
| |
| long intervalInMS; |
| OSStatus status = QTGetTimeUntilNextTask(&intervalInMS, 1000); |
| double interval = intervalInMS / 1000.0; |
| if (interval < minInterval) |
| interval = minInterval; |
| if (interval > maxInterval) |
| interval = maxInterval; |
| m_setTaskTimerDelay(interval); |
| } |
| |
| void QTMovieTask::fireTaskClients() |
| { |
| Vector<QTMovieTaskClient*> clients; |
| copyToVector(m_taskList, clients); |
| for (Vector<QTMovieTaskClient*>::iterator i = clients.begin(); i != clients.end(); ++i) |
| (*i)->task(); |
| } |
| |
| void QTMovieTask::addTaskClient(QTMovieTaskClient* client) |
| { |
| ASSERT(client); |
| if (!client) |
| return; |
| |
| m_taskList.add(client); |
| } |
| |
| void QTMovieTask::removeTaskClient(QTMovieTaskClient* client) |
| { |
| ASSERT(client); |
| if (!client) |
| return; |
| |
| m_taskList.remove(client); |
| } |
| |
| void QTMovieTask::setTaskTimerFuncs(SetTaskTimerDelayFunc setTaskTimerDelay, StopTaskTimerFunc stopTaskTimer) |
| { |
| m_setTaskTimerDelay = setTaskTimerDelay; |
| m_stopTaskTimer = stopTaskTimer; |
| } |
| |