content/renderer/battery_status/battery_status_dispatcher.h

   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_