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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 | |
9 namespace content { | |
10 | |
11 MediaStreamSourceObserver::MediaStreamSourceObserver( | |
12 webrtc::MediaSourceInterface* webrtc_source, | |
13 const WebKit::WebMediaStreamSource& webkit_source) | |
14 : state_(webrtc_source->state()), | |
15 webrtc_source_(webrtc_source), | |
16 webkit_source_(webkit_source) { | |
17 DCHECK(CalledOnValidThread()); | |
18 webrtc_source_->RegisterObserver(this); | |
19 } | |
20 | |
21 MediaStreamSourceObserver::~MediaStreamSourceObserver() { | |
22 if (webrtc_source_) | |
23 webrtc_source_->UnregisterObserver(this); | |
24 } | |
25 | |
26 void MediaStreamSourceObserver::OnChanged() { | |
27 DCHECK(CalledOnValidThread()); | |
28 // There should be no more notification after kEnded. | |
29 DCHECK(webrtc_source_ != NULL); | |
30 | |
tommi (sloooow) - chröme
2013/04/23 09:50:55
one empty line
| |
31 | |
32 webrtc::MediaSourceInterface::SourceState state = webrtc_source_->state(); | |
33 if (state == state_) | |
34 return; | |
35 state_ = state; | |
36 | |
37 switch (state) { | |
38 case webrtc::MediaSourceInterface::kInitializing: | |
39 /* kInitializing is not ready state. */ | |
perkj_chrome
2013/04/18 13:36:20
Can you rewrite this comment a bit. Ie kInitializi
tommi (sloooow) - chröme
2013/04/23 09:50:55
This looks like copy/paste from another changelist
| |
40 break; | |
41 case webrtc::MediaSourceInterface::kLive: | |
42 webkit_source_.setReadyState( | |
43 WebKit::WebMediaStreamSource::ReadyStateLive); | |
44 break; | |
45 case webrtc::MediaSourceInterface::kMuted: | |
46 webkit_source_.setReadyState( | |
47 WebKit::WebMediaStreamSource::ReadyStateMuted); | |
48 break; | |
49 case webrtc::MediaSourceInterface::kEnded: | |
50 webkit_source_.setReadyState( | |
51 WebKit::WebMediaStreamSource::ReadyStateEnded); | |
52 webrtc_source_->UnregisterObserver(this); | |
53 webrtc_source_ = NULL; | |
54 webkit_source_.reset(); | |
55 break; | |
56 default: | |
57 NOTREACHED(); | |
58 } | |
59 } | |
60 | |
61 } // namespace content | |
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