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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 #ifndef CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_H_ | |
6 #define CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_H_ | |
7 | |
8 #include "base/memory/singleton.h" | |
9 #include "base/observer_list.h" | |
10 #include "base/process.h" | |
11 #include "base/values.h" | |
12 #include "content/common/content_export.h" | |
13 | |
14 struct PeerConnectionInfo; | |
15 | |
16 namespace content { | |
17 | |
18 class WebRTCInternalsUIObserver; | |
19 | |
20 // This is a singleton class running in the browser process. | |
21 // It collects peer connection infomation from the renderers, | |
22 // forwards the data to WebRTCInternalsUIObserver and | |
23 // sends data collecting commands to the renderers. | |
24 class CONTENT_EXPORT WebRTCInternals { | |
25 public: | |
26 static WebRTCInternals* GetInstance(); | |
27 | |
28 // Methods called when peer connection status changes. | |
29 void AddPeerConnection(base::ProcessId pid, const PeerConnectionInfo& info); | |
30 void RemovePeerConnection(base::ProcessId pid, int lid); | |
31 | |
32 // Methods for adding or removing WebRTCInternalsUIObserver. | |
33 void AddObserver(WebRTCInternalsUIObserver *observer); | |
34 void RemoveObserver(WebRTCInternalsUIObserver *observer); | |
35 | |
36 private: | |
37 friend struct DefaultSingletonTraits<WebRTCInternals>; | |
38 | |
39 WebRTCInternals(); | |
40 virtual ~WebRTCInternals(); | |
41 | |
42 // Send updates to observers on UI thread. | |
43 void SendUpdate(const std::string& command, base::Value* value); | |
44 | |
45 // Only the IO thread should access these fields. | |
46 ObserverList<WebRTCInternalsUIObserver> observers_; | |
47 base::ListValue peer_connection_data_; | |
48 }; | |
49 | |
50 } // namespace content | |
51 | |
52 #endif // CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_H_ | |
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