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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2011 Ericsson AB. 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. AND ITS 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 APPLE INC. OR ITS 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 MediaStreamTrack_h
#define MediaStreamTrack_h
#include "core/dom/ActiveDOMObject.h"
#include "modules/EventTargetModules.h"
#include "modules/mediastream/SourceInfo.h"
#include "platform/mediastream/MediaStreamDescriptor.h"
#include "platform/mediastream/MediaStreamSource.h"
#include "wtf/Forward.h"
namespace blink {
class AudioSourceProvider;
class ExceptionState;
class MediaStreamComponent;
class MediaStreamTrackSourcesCallback;
class MediaStreamTrack final
: public RefCountedGarbageCollectedEventTargetWithInlineData<MediaStreamTrack>
, public ActiveDOMObject
, public MediaStreamSource::Observer {
DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<MediaStreamTrack>);
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaStreamTrack);
DEFINE_WRAPPERTYPEINFO();
public:
static MediaStreamTrack* create(ExecutionContext*, MediaStreamComponent*);
virtual ~MediaStreamTrack();
String kind() const;
String id() const;
String label() const;
bool remote() const;
bool readonly() const;
bool enabled() const;
void setEnabled(bool);
bool muted() const;
String readyState() const;
static void getSources(ExecutionContext*, MediaStreamTrackSourcesCallback*, ExceptionState&);
void stopTrack(ExceptionState&);
MediaStreamTrack* clone(ExecutionContext*);
DEFINE_ATTRIBUTE_EVENT_LISTENER(mute);
DEFINE_ATTRIBUTE_EVENT_LISTENER(unmute);
DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);
MediaStreamComponent* component();
bool ended() const;
void registerMediaStream(MediaStream*);
void unregisterMediaStream(MediaStream*);
// EventTarget
virtual const AtomicString& interfaceName() const override;
virtual ExecutionContext* executionContext() const override;
// ActiveDOMObject
virtual void stop() override;
PassOwnPtr<AudioSourceProvider> createWebAudioSource();
virtual void trace(Visitor*) override;
private:
MediaStreamTrack(ExecutionContext*, MediaStreamComponent*);
// MediaStreamSourceObserver
virtual void sourceChangedState() override;
void propagateTrackEnded();
MediaStreamSource::ReadyState m_readyState;
HeapHashSet<Member<MediaStream> > m_registeredMediaStreams;
bool m_isIteratingRegisteredMediaStreams;
bool m_stopped;
RefPtr<MediaStreamComponent> m_component;
};
typedef HeapVector<Member<MediaStreamTrack> > MediaStreamTrackVector;
} // namespace blink
#endif // MediaStreamTrack_h
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