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Side by Side Diff: chrome/browser/media/audio_stream_indicator.h

Issue 12744003: Audio indicator: cross platform drawing and animation (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: " Created 7 years, 9 months ago
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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 CHROME_BROWSER_MEDIA_AUDIO_STREAM_INDICATOR_H_ 5 #ifndef CHROME_BROWSER_MEDIA_AUDIO_STREAM_INDICATOR_H_
6 #define CHROME_BROWSER_MEDIA_AUDIO_STREAM_INDICATOR_H_ 6 #define CHROME_BROWSER_MEDIA_AUDIO_STREAM_INDICATOR_H_
7 7
8 #include <map> 8 #include <map>
9 #include <set> 9 #include <set>
10 10
11 #include "base/memory/ref_counted.h" 11 #include "base/memory/ref_counted.h"
12 12
13 namespace content { 13 namespace content {
14 class WebContents; 14 class WebContents;
15 } 15 }
16 class TabAudioIndicatorTest;
16 17
17 class AudioStreamIndicator 18 class AudioStreamIndicator
18 : public base::RefCountedThreadSafe<AudioStreamIndicator> { 19 : public base::RefCountedThreadSafe<AudioStreamIndicator> {
19 public: 20 public:
20 AudioStreamIndicator(); 21 AudioStreamIndicator();
21 22
22 // This method should be called on the IO thread. 23 // This method should be called on the IO thread.
23 void UpdateWebContentsStatus(int render_process_id, 24 void UpdateWebContentsStatus(int render_process_id,
24 int render_view_id, 25 int render_view_id,
25 int stream_id, 26 int stream_id,
26 bool is_playing_and_audible); 27 bool is_playing_and_audible);
27 28
28 // This method should be called on the IO thread. 29 // This method should be called on the UI thread.
29 bool IsPlayingAudio(content::WebContents* contents); 30 bool IsPlayingAudio(content::WebContents* contents);
30 31
31 private: 32 private:
33 friend class TabAudioIndicatorTest;
34
32 struct RenderViewId { 35 struct RenderViewId {
33 RenderViewId(int render_process_id, 36 RenderViewId(int render_process_id,
34 int render_view_id); 37 int render_view_id);
35 38
36 // Required to use this struct in the std::multiset below. 39 // Required to use this struct in the std::multiset below.
37 bool operator<(const RenderViewId& other) const; 40 bool operator<(const RenderViewId& other) const;
38 41
39 int render_process_id; 42 int render_process_id;
40 int render_view_id; 43 int render_view_id;
41 }; 44 };
42 45
43 friend class base::RefCountedThreadSafe<AudioStreamIndicator>; 46 friend class base::RefCountedThreadSafe<AudioStreamIndicator>;
44 virtual ~AudioStreamIndicator(); 47 virtual ~AudioStreamIndicator();
45 48
46 void UpdateWebContentsStatusOnUIThread(int render_process_id, 49 void UpdateWebContentsStatusOnUIThread(int render_process_id,
47 int render_view_id, 50 int render_view_id,
48 int stream_id, 51 int stream_id,
49 bool playing); 52 bool playing);
50 53
51 // A map from RenderViews to sets of streams playing in them (each RenderView 54 // A map from RenderViews to sets of streams playing in them (each RenderView
52 // might have more than one stream). 55 // might have more than one stream).
53 std::map<RenderViewId, std::set<int> > audio_streams_; 56 std::map<RenderViewId, std::set<int> > audio_streams_;
54 }; 57 };
55 58
56 #endif // CHROME_BROWSER_MEDIA_AUDIO_STREAM_INDICATOR_H_ 59 #endif // CHROME_BROWSER_MEDIA_AUDIO_STREAM_INDICATOR_H_
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