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/*
* Copyright (C) 2011 Google 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. 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 MediaStreamTrackList_h
#define MediaStreamTrackList_h
#if ENABLE(MEDIA_STREAM)
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include "MediaStreamTrack.h"
namespace WebCore {
class MediaStreamTrackList : public RefCounted<MediaStreamTrackList>, public ActiveDOMObject, public EventTarget {
public:
static PassRefPtr<MediaStreamTrackList> create(MediaStream*, const MediaStreamTrackVector&);
virtual ~MediaStreamTrackList();
void detachOwner();
// DOM methods & attributes for MediaStreamTrackList
unsigned length() const;
MediaStreamTrack* item(unsigned index) const;
void add(PassRefPtr<MediaStreamTrack>, ExceptionCode&);
void remove(PassRefPtr<MediaStreamTrack>, ExceptionCode&);
DEFINE_ATTRIBUTE_EVENT_LISTENER(addtrack);
DEFINE_ATTRIBUTE_EVENT_LISTENER(removetrack);
void remove(MediaStreamComponent*);
// ActiveDOMObject
virtual void stop() OVERRIDE;
// EventTarget
virtual const AtomicString& interfaceName() const OVERRIDE;
virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE;
using RefCounted<MediaStreamTrackList>::ref;
using RefCounted<MediaStreamTrackList>::deref;
private:
MediaStreamTrackList(MediaStream*, const MediaStreamTrackVector&);
// EventTarget
virtual EventTargetData* eventTargetData() OVERRIDE;
virtual EventTargetData* ensureEventTargetData() OVERRIDE;
virtual void refEventTarget() OVERRIDE { ref(); }
virtual void derefEventTarget() OVERRIDE { deref(); }
EventTargetData m_eventTargetData;
// m_owner can become zero.
MediaStream* m_owner;
MediaStreamTrackVector m_trackVector;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
#endif // MediaStreamTrackList_h
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