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1 /* | |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | |
3 * Copyright (C) 2011 Ericsson AB. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef MediaStreamTrack_h | |
27 #define MediaStreamTrack_h | |
28 | |
29 #include "core/dom/ActiveDOMObject.h" | |
30 #include "modules/EventTargetModules.h" | |
31 #include "modules/mediastream/SourceInfo.h" | |
32 #include "platform/mediastream/MediaStreamDescriptor.h" | |
33 #include "platform/mediastream/MediaStreamSource.h" | |
34 #include "wtf/Forward.h" | |
35 | |
36 namespace blink { | |
37 | |
38 class AudioSourceProvider; | |
39 class ExceptionState; | |
40 class MediaStreamComponent; | |
41 class MediaStreamTrackSourcesCallback; | |
42 | |
43 class MediaStreamTrack final | |
44 : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<MediaStre
amTrack> | |
45 , public ActiveDOMObject | |
46 , public EventTargetWithInlineData | |
47 , public MediaStreamSource::Observer { | |
48 DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollectedWi
llBeGarbageCollectedFinalized<MediaStreamTrack>); | |
49 DEFINE_WRAPPERTYPEINFO(); | |
50 USING_GARBAGE_COLLECTED_MIXIN(MediaStreamTrack); | |
51 public: | |
52 static MediaStreamTrack* create(ExecutionContext*, MediaStreamComponent*); | |
53 virtual ~MediaStreamTrack(); | |
54 | |
55 String kind() const; | |
56 String id() const; | |
57 String label() const; | |
58 | |
59 bool enabled() const; | |
60 void setEnabled(bool); | |
61 | |
62 bool muted() const; | |
63 | |
64 String readyState() const; | |
65 | |
66 static void getSources(ExecutionContext*, MediaStreamTrackSourcesCallback*,
ExceptionState&); | |
67 void stopTrack(ExceptionState&); | |
68 MediaStreamTrack* clone(ExecutionContext*); | |
69 | |
70 DEFINE_ATTRIBUTE_EVENT_LISTENER(mute); | |
71 DEFINE_ATTRIBUTE_EVENT_LISTENER(unmute); | |
72 DEFINE_ATTRIBUTE_EVENT_LISTENER(ended); | |
73 | |
74 MediaStreamComponent* component(); | |
75 bool ended() const; | |
76 | |
77 void registerMediaStream(MediaStream*); | |
78 void unregisterMediaStream(MediaStream*); | |
79 | |
80 // EventTarget | |
81 virtual const AtomicString& interfaceName() const override; | |
82 virtual ExecutionContext* executionContext() const override; | |
83 | |
84 // ActiveDOMObject | |
85 virtual void stop() override; | |
86 | |
87 PassOwnPtr<AudioSourceProvider> createWebAudioSource(); | |
88 | |
89 virtual void trace(Visitor*) override; | |
90 | |
91 private: | |
92 MediaStreamTrack(ExecutionContext*, MediaStreamComponent*); | |
93 | |
94 // MediaStreamSourceObserver | |
95 virtual void sourceChangedState() override; | |
96 | |
97 void propagateTrackEnded(); | |
98 | |
99 MediaStreamSource::ReadyState m_readyState; | |
100 HeapHashSet<Member<MediaStream> > m_registeredMediaStreams; | |
101 bool m_isIteratingRegisteredMediaStreams; | |
102 bool m_stopped; | |
103 Member<MediaStreamComponent> m_component; | |
104 }; | |
105 | |
106 typedef HeapVector<Member<MediaStreamTrack> > MediaStreamTrackVector; | |
107 | |
108 } // namespace blink | |
109 | |
110 #endif // MediaStreamTrack_h | |
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