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/*
* Copyright (C) 2011 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 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 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.
*/
#pragma once
#if ENABLE(VIDEO)
#include "ContextDestructionObserver.h"
#include "Event.h"
#include "EventTarget.h"
#include "MediaControllerInterface.h"
#include "Timer.h"
#include <wtf/Vector.h>
namespace PAL {
class Clock;
}
namespace WebCore {
class HTMLMediaElement;
class MediaController final
: public RefCounted<MediaController>
, public MediaControllerInterface
, public ContextDestructionObserver
, public EventTargetWithInlineData {
WTF_MAKE_ISO_ALLOCATED(MediaController);
public:
static Ref<MediaController> create(ScriptExecutionContext&);
virtual ~MediaController();
Ref<TimeRanges> buffered() const final;
Ref<TimeRanges> seekable() const final;
Ref<TimeRanges> played() final;
double duration() const final;
double currentTime() const final;
void setCurrentTime(double) final;
bool paused() const final { return m_paused; }
void play() final;
void pause() final;
void unpause();
double defaultPlaybackRate() const final { return m_defaultPlaybackRate; }
void setDefaultPlaybackRate(double) final;
double playbackRate() const final;
void setPlaybackRate(double) final;
double volume() const final { return m_volume; }
ExceptionOr<void> setVolume(double) final;
bool muted() const final { return m_muted; }
void setMuted(bool) final;
const AtomString& playbackState() const;
using RefCounted::ref;
using RefCounted::deref;
private:
explicit MediaController(ScriptExecutionContext&);
void reportControllerState();
void updateReadyState();
void updatePlaybackState();
void updateMediaElements();
void bringElementUpToSpeed(HTMLMediaElement&);
void scheduleEvent(const AtomString& eventName);
void asyncEventTimerFired();
void clearPositionTimerFired();
bool hasEnded() const;
void scheduleTimeupdateEvent();
void startTimeupdateTimer();
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
EventTargetInterface eventTargetInterface() const final { return MediaControllerEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); };
void addMediaElement(HTMLMediaElement&);
void removeMediaElement(HTMLMediaElement&);
bool containsMediaElement(HTMLMediaElement&) const;
const String& mediaGroup() const { return m_mediaGroup; }
bool supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenMode) const final { return false; }
bool isFullscreen() const final { return false; }
void enterFullscreen() final { }
bool hasAudio() const final;
bool hasVideo() const final;
bool hasClosedCaptions() const final;
void setClosedCaptionsVisible(bool) final;
bool closedCaptionsVisible() const final { return m_closedCaptionsVisible; }
bool supportsScanning() const final;
void beginScrubbing() final;
void endScrubbing() final;
void beginScanning(ScanDirection) final;
void endScanning() final;
bool canPlay() const final;
bool isLiveStream() const final;
bool hasCurrentSrc() const final;
bool isBlocked() const;
void returnToRealtime() final;
ReadyState readyState() const final { return m_readyState; }
enum PlaybackState { WAITING, PLAYING, ENDED };
friend class HTMLMediaElement;
friend class MediaControllerEventListener;
Vector<HTMLMediaElement*> m_mediaElements;
bool m_paused;
double m_defaultPlaybackRate;
double m_volume;
mutable double m_position;
bool m_muted;
ReadyState m_readyState;
PlaybackState m_playbackState;
Vector<Ref<Event>> m_pendingEvents;
Timer m_asyncEventTimer;
mutable Timer m_clearPositionTimer;
String m_mediaGroup;
bool m_closedCaptionsVisible;
std::unique_ptr<PAL::Clock> m_clock;
Timer m_timeupdateTimer;
MonotonicTime m_previousTimeupdateTime;
bool m_resetCurrentTimeInNextPlay { false };
};
} // namespace WebCore
#endif