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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_ |
6 #define CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_ | 6 #define CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_ |
7 | 7 |
8 #include "content/public/browser/media_request_state.h" | 8 #include "content/public/browser/media_request_state.h" |
9 #include "content/public/common/media_stream_request.h" | 9 #include "content/public/common/media_stream_request.h" |
10 | 10 |
11 namespace media { | 11 namespace media { |
12 struct MediaLogEvent; | 12 struct MediaLogEvent; |
13 } | 13 } |
14 | 14 |
15 namespace content { | 15 namespace content { |
16 | 16 |
17 // An embedder may implement MediaObserver and return it from | 17 // An embedder may implement MediaObserver and return it from |
18 // ContentBrowserClient to receive callbacks as media events occur. | 18 // ContentBrowserClient to receive callbacks as media events occur. |
19 class MediaObserver { | 19 class MediaObserver { |
20 public: | 20 public: |
21 // Called when an audio stream is deleted. | 21 // Called when an audio stream is deleted. |
22 virtual void OnDeleteAudioStream(void* host, int stream_id) = 0; | 22 virtual void OnDeleteAudioStream(void* host, int stream_id) = 0; |
23 | 23 |
24 // Called when an audio stream is set to playing or paused. | 24 // Called when an audio stream is set to playing or paused. |
25 virtual void OnSetAudioStreamPlaying(void* host, int stream_id, | 25 virtual void OnSetAudioStreamPlaying(void* host, |
| 26 int stream_id, |
| 27 int render_process_id, |
| 28 int render_view_id, |
26 bool playing) = 0; | 29 bool playing) = 0; |
27 | 30 |
28 // Called when the status of an audio stream is set to "created", "flushed", | 31 // Called when the status of an audio stream is set to "created", "flushed", |
29 // "closed", or "error". | 32 // "closed", or "error". |
30 virtual void OnSetAudioStreamStatus(void* host, int stream_id, | 33 virtual void OnSetAudioStreamStatus(void* host, int stream_id, |
31 const std::string& status) = 0; | 34 const std::string& status) = 0; |
32 | 35 |
33 // Called when the volume of an audio stream is set. | 36 // Called when the volume of an audio stream is set. |
34 virtual void OnSetAudioStreamVolume(void* host, int stream_id, | 37 virtual void OnSetAudioStreamVolume(void* host, int stream_id, |
35 double volume) = 0; | 38 double volume) = 0; |
(...skipping 29 matching lines...) Expand all Loading... |
65 const MediaStreamDevice& device, | 68 const MediaStreamDevice& device, |
66 MediaRequestState state) = 0; | 69 MediaRequestState state) = 0; |
67 | 70 |
68 protected: | 71 protected: |
69 virtual ~MediaObserver() {} | 72 virtual ~MediaObserver() {} |
70 }; | 73 }; |
71 | 74 |
72 } // namespace content | 75 } // namespace content |
73 | 76 |
74 #endif // CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_ | 77 #endif // CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_ |
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