1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* 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
#if ENABLE(MEDIA_STREAM)
#include "ContextDestructionObserver.h"
#include "EventTarget.h"
#include "ExceptionBase.h"
#include "MediaStreamDescriptor.h"
#include "MediaStreamTrack.h"
#include "Timer.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class MediaStream : public RefCounted<MediaStream>, public MediaStreamDescriptorClient, public EventTarget, public ContextDestructionObserver {
public:
static PassRefPtr<MediaStream> create(ScriptExecutionContext*);
static PassRefPtr<MediaStream> create(ScriptExecutionContext*, PassRefPtr<MediaStream>);
static PassRefPtr<MediaStream> create(ScriptExecutionContext*, const MediaStreamTrackVector&);
static PassRefPtr<MediaStream> create(ScriptExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
virtual ~MediaStream();
// DEPRECATED
String label() const { return m_descriptor->id(); }
String id() const { return m_descriptor->id(); }
void addTrack(PassRefPtr<MediaStreamTrack>, ExceptionCode&);
void removeTrack(PassRefPtr<MediaStreamTrack>, ExceptionCode&);
MediaStreamTrack* getTrackById(String);
MediaStreamTrackVector getAudioTracks() const { return m_audioTracks; }
MediaStreamTrackVector getVideoTracks() const { return m_videoTracks; }
bool ended() const;
DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);
DEFINE_ATTRIBUTE_EVENT_LISTENER(addtrack);
DEFINE_ATTRIBUTE_EVENT_LISTENER(removetrack);
// MediaStreamDescriptorClient
virtual void streamEnded() OVERRIDE;
virtual bool isLocal() const { return false; }
MediaStreamDescriptor* descriptor() const { return m_descriptor.get(); }
// EventTarget
virtual const AtomicString& interfaceName() const OVERRIDE;
virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE;
using RefCounted<MediaStream>::ref;
using RefCounted<MediaStream>::deref;
protected:
MediaStream(ScriptExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
// EventTarget
virtual EventTargetData* eventTargetData() OVERRIDE;
virtual EventTargetData* ensureEventTargetData() OVERRIDE;
// ContextDestructionObserver
virtual void contextDestroyed();
private:
// EventTarget
virtual void refEventTarget() OVERRIDE { ref(); }
virtual void derefEventTarget() OVERRIDE { deref(); }
// MediaStreamDescriptorClient
virtual void addRemoteTrack(MediaStreamComponent*) OVERRIDE;
virtual void removeRemoteTrack(MediaStreamComponent*) OVERRIDE;
void scheduleDispatchEvent(PassRefPtr<Event>);
void scheduledEventTimerFired(Timer<MediaStream>*);
bool m_stopped;
EventTargetData m_eventTargetData;
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 // ENABLE(MEDIA_STREAM)
#endif // MediaStream_h
|
