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      1 // Copyright 2014 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_RENDERER_BATTERY_STATUS_BATTERY_STATUS_DISPATCHER_H_
      6 #define CONTENT_RENDERER_BATTERY_STATUS_BATTERY_STATUS_DISPATCHER_H_
      7 
      8 #include "content/public/renderer/platform_event_observer.h"
      9 
     10 namespace blink {
     11 class WebBatteryStatus;
     12 class WebBatteryStatusListener;
     13 }
     14 
     15 namespace content {
     16 class RenderThread;
     17 
     18 class CONTENT_EXPORT BatteryStatusDispatcher
     19     : NON_EXPORTED_BASE(
     20           public PlatformEventObserver<blink::WebBatteryStatusListener>) {
     21  public:
     22   explicit BatteryStatusDispatcher(RenderThread* thread);
     23   virtual ~BatteryStatusDispatcher();
     24 
     25   // PlatformEventObserver public methods.
     26   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
     27   virtual void SendFakeDataForTesting(void* data) OVERRIDE;
     28 
     29  protected:
     30   // PlatformEventObserver protected methods.
     31   virtual void SendStartMessage() OVERRIDE;
     32   virtual void SendStopMessage() OVERRIDE;
     33 
     34  private:
     35   void OnDidChange(const blink::WebBatteryStatus& status);
     36 
     37   DISALLOW_COPY_AND_ASSIGN(BatteryStatusDispatcher);
     38 };
     39 
     40 }  // namespace content
     41 
     42 #endif  // CONTENT_RENDERER_BATTERY_STATUS_BATTERY_STATUS_DISPATCHER_H_
     43