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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 MediaStream_h
#define MediaStream_h
#include "bindings/v8/ScriptWrappable.h"
#include "core/dom/ContextLifecycleObserver.h"
#include "core/events/EventTarget.h"
#include "core/html/URLRegistry.h"
#include "core/platform/mediastream/MediaStreamDescriptor.h"
#include "modules/mediastream/MediaStreamTrack.h"
#include "platform/Timer.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class ExceptionState;
class MediaStream : public RefCounted<MediaStream>, public ScriptWrappable, public URLRegistrable, public MediaStreamDescriptorClient, public EventTargetWithInlineData, public ContextLifecycleObserver {
REFCOUNTED_EVENT_TARGET(MediaStream);
public:
static PassRefPtr<MediaStream> create(ExecutionContext*);
static PassRefPtr<MediaStream> create(ExecutionContext*, PassRefPtr<MediaStream>);
static PassRefPtr<MediaStream> create(ExecutionContext*, const MediaStreamTrackVector&);
static PassRefPtr<MediaStream> create(ExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
virtual ~MediaStream();
// DEPRECATED
String label() const { return m_descriptor->id(); }
String id() const { return m_descriptor->id(); }
void addTrack(PassRefPtr<MediaStreamTrack>, ExceptionState&);
void removeTrack(PassRefPtr<MediaStreamTrack>, ExceptionState&);
MediaStreamTrack* getTrackById(String);
MediaStreamTrackVector getAudioTracks() const { return m_audioTracks; }
MediaStreamTrackVector getVideoTracks() const { return m_videoTracks; }
bool ended() const;
void stop();
DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);
DEFINE_ATTRIBUTE_EVENT_LISTENER(addtrack);
DEFINE_ATTRIBUTE_EVENT_LISTENER(removetrack);
// MediaStreamDescriptorClient
virtual void trackEnded() OVERRIDE;
virtual void streamEnded() OVERRIDE;
MediaStreamDescriptor* descriptor() const { return m_descriptor.get(); }
// EventTarget
virtual const AtomicString& interfaceName() const OVERRIDE;
virtual ExecutionContext* executionContext() const OVERRIDE;
// URLRegistrable
virtual URLRegistry& registry() const OVERRIDE;
protected:
MediaStream(ExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
// ContextLifecycleObserver
virtual void contextDestroyed();
private:
// MediaStreamDescriptorClient
virtual void addRemoteTrack(MediaStreamComponent*) OVERRIDE;
virtual void removeRemoteTrack(MediaStreamComponent*) OVERRIDE;
void scheduleDispatchEvent(PassRefPtr<Event>);
void scheduledEventTimerFired(Timer<MediaStream>*);
bool m_stopped;
MediaStreamTrackVector m_audioTracks;
MediaStreamTrackVector m_videoTracks;
RefPtr<MediaStreamDescriptor> m_descriptor;
Timer<MediaStream> m_scheduledEventTimer;
Vector<RefPtr<Event> > m_scheduledEvents;
};
typedef Vector<RefPtr<MediaStream> > MediaStreamVector;
} // namespace WebCore
#endif // MediaStream_h
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