2 * Copyright (C) 2011 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #if ENABLE(MEDIA_STREAM)
30 #include "EventNames.h"
31 #include "EventTarget.h"
32 #include "MediaStreamFrameController.h"
33 #include "MediaStreamTrackList.h"
34 #include "ScriptExecutionContext.h"
35 #include <wtf/Forward.h>
36 #include <wtf/PassRefPtr.h>
37 #include <wtf/RefCounted.h>
41 class MediaStream : public RefCounted<MediaStream>,
43 public MediaStreamFrameController::MediaStreamClient {
45 // Must match the constants in the .idl file.
51 static PassRefPtr<MediaStream> create(MediaStreamFrameController*, const String& label, PassRefPtr<MediaStreamTrackList> tracks, bool isLocalMediaStream = false);
52 virtual ~MediaStream();
54 DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);
56 unsigned short readyState() const { return m_readyState; }
57 const String& label() const { return clientId(); }
59 PassRefPtr<MediaStreamTrackList> tracks() { return m_tracks; }
61 // MediaStreamFrameController::MediaStreamClient implementation.
62 virtual void streamEnded();
64 // EventTarget implementation.
65 virtual MediaStream* toMediaStream();
66 virtual ScriptExecutionContext* scriptExecutionContext() const;
68 using RefCounted<MediaStream>::ref;
69 using RefCounted<MediaStream>::deref;
72 MediaStream(MediaStreamFrameController*, const String& label, PassRefPtr<MediaStreamTrackList> tracks, bool isLocalMediaStream);
74 // EventTarget implementation.
75 virtual EventTargetData* eventTargetData();
76 virtual EventTargetData* ensureEventTargetData();
78 unsigned short m_readyState;
83 // EventTarget implementation.
84 virtual void refEventTarget() { ref(); }
85 virtual void derefEventTarget() { deref(); }
87 EventTargetData m_eventTargetData;
89 RefPtr<MediaStreamTrackList> m_tracks;
92 } // namespace WebCore
94 #endif // ENABLE(MEDIA_STREAM)
96 #endif // MediaStream_h