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* Copyright (C) 2011 Google Inc. All rights reserved.
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* Copyright (C) 2011 Ericsson AB. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef MediaStreamTrack_h
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#define MediaStreamTrack_h
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#if ENABLE(MEDIA_STREAM)
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#include "ActiveDOMObject.h"
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#include "EventTarget.h"
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#include "MediaStreamDescriptor.h"
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#include "MediaStreamSource.h"
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#include <wtf/RefCounted.h>
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#include <wtf/RefPtr.h>
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#include <wtf/Vector.h>
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#include <wtf/text/WTFString.h>
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class MediaStreamComponent;
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class MediaStreamTrack : public RefCounted<MediaStreamTrack>, public ActiveDOMObject, public EventTarget, public MediaStreamSource::Observer {
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static PassRefPtr<MediaStreamTrack> create(ScriptExecutionContext*, PassRefPtr<MediaStreamDescriptor>, MediaStreamComponent*);
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virtual ~MediaStreamTrack();
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void setEnabled(bool);
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ReadyState readyState() const;
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DEFINE_ATTRIBUTE_EVENT_LISTENER(mute);
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DEFINE_ATTRIBUTE_EVENT_LISTENER(unmute);
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DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);
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MediaStreamDescriptor* streamDescriptor();
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MediaStreamComponent* component();
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virtual const AtomicString& interfaceName() const OVERRIDE;
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virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE;
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virtual void stop() OVERRIDE;
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using RefCounted<MediaStreamTrack>::ref;
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using RefCounted<MediaStreamTrack>::deref;
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MediaStreamTrack(ScriptExecutionContext*, PassRefPtr<MediaStreamDescriptor>, MediaStreamComponent*);
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virtual EventTargetData* eventTargetData() OVERRIDE;
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virtual EventTargetData* ensureEventTargetData() OVERRIDE;
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virtual void refEventTarget() OVERRIDE { ref(); }
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virtual void derefEventTarget() OVERRIDE { deref(); }
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EventTargetData m_eventTargetData;
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// MediaStreamSourceObserver
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virtual void sourceChangedState() OVERRIDE;
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RefPtr<MediaStreamDescriptor> m_streamDescriptor;
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RefPtr<MediaStreamComponent> m_component;
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typedef Vector<RefPtr<MediaStreamTrack> > MediaStreamTrackVector;
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} // namespace WebCore
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#endif // ENABLE(MEDIA_STREAM)
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#endif // MediaStreamTrack_h