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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "content/renderer/media/media_stream_source_observer.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "content/renderer/media/media_stream_source_extra_data.h" | |
9 | |
10 namespace content { | |
11 | |
12 MediaStreamSourceObserver::MediaStreamSourceObserver( | |
13 webrtc::MediaSourceInterface* webrtc_source, | |
14 MediaStreamSourceExtraData* extra_data) | |
15 : state_(webrtc_source->state()), | |
16 webrtc_source_(webrtc_source), | |
17 extra_data_(extra_data) { | |
18 DCHECK(CalledOnValidThread()); | |
tommi (sloooow) - chröme
2013/04/26 08:54:48
nit: this isn't needed in a ctor.
kcwu
2013/04/26 10:20:53
Done.
| |
19 webrtc_source_->RegisterObserver(this); | |
20 } | |
21 | |
22 MediaStreamSourceObserver::~MediaStreamSourceObserver() { | |
23 if (webrtc_source_) | |
tommi (sloooow) - chröme
2013/04/26 08:54:48
...but checking if we're on the correct thread in
kcwu
2013/04/26 10:20:53
Done.
| |
24 webrtc_source_->UnregisterObserver(this); | |
25 } | |
26 | |
27 void MediaStreamSourceObserver::OnChanged() { | |
28 DCHECK(CalledOnValidThread()); | |
29 // There should be no more notification after kEnded. | |
30 DCHECK(webrtc_source_ != NULL); | |
31 | |
tommi (sloooow) - chröme
2013/04/26 08:54:48
only one empty line
kcwu
2013/04/26 10:20:53
Done.
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32 | |
33 webrtc::MediaSourceInterface::SourceState state = webrtc_source_->state(); | |
34 if (state == state_) | |
35 return; | |
36 state_ = state; | |
37 WebKit::WebMediaStreamSource webkit_source(extra_data_->webkit_source()); | |
38 | |
39 switch (state) { | |
40 case webrtc::MediaSourceInterface::kInitializing: | |
41 // Ignore the kInitializing state since there is no match in | |
42 // WebMediaStreamSource::ReadyState. | |
43 break; | |
44 case webrtc::MediaSourceInterface::kLive: | |
45 webkit_source.setReadyState( | |
46 WebKit::WebMediaStreamSource::ReadyStateLive); | |
47 break; | |
48 case webrtc::MediaSourceInterface::kMuted: | |
49 webkit_source.setReadyState( | |
50 WebKit::WebMediaStreamSource::ReadyStateMuted); | |
51 break; | |
52 case webrtc::MediaSourceInterface::kEnded: | |
53 webkit_source.setReadyState( | |
54 WebKit::WebMediaStreamSource::ReadyStateEnded); | |
55 webrtc_source_->UnregisterObserver(this); | |
56 webrtc_source_ = NULL; | |
57 break; | |
58 default: | |
59 NOTREACHED(); | |
60 break; | |
61 } | |
62 } | |
63 | |
64 } // namespace content | |
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