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Side by Side Diff: content/browser/media/webrtc_internals.h

Issue 11876007: Connecting webrtc-internals WebUI frontend with the backend (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@main
Patch Set: Created 7 years, 11 months ago
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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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