/* * Copyright (C) 2012 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. */ #ifndef PlatformClockCM_h #define PlatformClockCM_h #if USE(COREMEDIA) #include "Clock.h" #include <wtf/RetainPtr.h> typedef struct OpaqueCMTimebase* CMTimebaseRef; typedef struct OpaqueCMClock* CMClockRef; namespace WebCore { class PlatformClockCM : public Clock { public: PlatformClockCM(); PlatformClockCM(CMClockRef); private: void initializeWithTimingSource(CMClockRef); virtual void setCurrentTime(float); virtual float currentTime() const; virtual void setPlayRate(float); virtual float playRate() const { return m_rate; } virtual void start(); virtual void stop(); virtual bool isRunning() const { return m_running; } RetainPtr<CMTimebaseRef> m_timebase; float m_rate; bool m_running; }; } #endif #endif