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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 "bindings/v8/ScriptWrappable.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/PassOwnPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class AudioSourceProvider;
class ExceptionState;
class MediaStreamComponent;
class MediaStreamTrackSourcesCallback;
class MediaStreamTrack FINAL : public RefCountedWillBeRefCountedGarbageCollected<MediaStreamTrack>, public ScriptWrappable, public ActiveDOMObject, public EventTargetWithInlineData, public MediaStreamSource::Observer {
REFCOUNTED_EVENT_TARGET(MediaStreamTrack);
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaStreamTrack);
public:
static PassRefPtrWillBeRawPtr<MediaStreamTrack> create(ExecutionContext*, MediaStreamComponent*);
virtual ~MediaStreamTrack();
String kind() const;
String id() const;
String label() const;
bool enabled() const;
void setEnabled(bool);
String readyState() const;
static void getSources(ExecutionContext*, PassOwnPtr<MediaStreamTrackSourcesCallback>, ExceptionState&);
void stopTrack(ExceptionState&);
PassRefPtrWillBeRawPtr<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*);
MediaStreamSource::ReadyState m_readyState;
// MediaStreamSourceObserver
virtual void sourceChangedState() OVERRIDE;
void propagateTrackEnded();
WillBeHeapHashSet<RawPtrWillBeMember<MediaStream> > m_registeredMediaStreams;
bool m_isIteratingRegisteredMediaStreams;
bool m_stopped;
RefPtr<MediaStreamComponent> m_component;
};
typedef WillBeHeapVector<RefPtrWillBeMember<MediaStreamTrack> > MediaStreamTrackVector;
} // namespace WebCore
#endif // MediaStreamTrack_h
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