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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_MESSAGE_HANDLER_H_
      6 #define CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_MESSAGE_HANDLER_H_
      7 
      8 #include "base/memory/ref_counted.h"
      9 #include "content/browser/media/webrtc_internals_ui_observer.h"
     10 #include "content/public/browser/web_ui_message_handler.h"
     11 
     12 namespace base {
     13 class ListValue;
     14 }  // namespace base
     15 
     16 namespace content {
     17 
     18 // This class handles messages to and from WebRTCInternalsUI.
     19 // It delegates all its work to WebRTCInternalsProxy on the IO thread.
     20 class WebRTCInternalsMessageHandler : public WebUIMessageHandler,
     21                                       public WebRTCInternalsUIObserver{
     22  public:
     23   WebRTCInternalsMessageHandler();
     24   virtual ~WebRTCInternalsMessageHandler();
     25 
     26   // WebUIMessageHandler implementation.
     27   virtual void RegisterMessages() OVERRIDE;
     28 
     29   // WebRTCInternalsUIObserver override.
     30   virtual void OnUpdate(const std::string& command,
     31                         const base::Value* args) OVERRIDE;
     32 
     33  private:
     34   // Javascript message handler.
     35   void OnGetAllStats(const base::ListValue* list);
     36   void OnSetAecRecordingEnabled(bool enable, const base::ListValue* list);
     37   void OnDOMLoadDone(const base::ListValue* list);
     38 
     39   DISALLOW_COPY_AND_ASSIGN(WebRTCInternalsMessageHandler);
     40 };
     41 
     42 }  // namespace content
     43 
     44 #endif  // CONTENT_BROWSER_MEDIA_WEBRTC_INTERNALS_MESSAGE_HANDLER_H_
     45