src/content/browser/battery_status/battery_status_message_filter.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_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MESSAGE_FILTER_H_
   6 #define CONTENT_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MESSAGE_FILTER_H_
   7
   8 #include "content/browser/battery_status/battery_status_service.h"
   9 #include "content/public/browser/browser_message_filter.h"
  10
  11 namespace content {
  12
  13 class BatteryStatusMessageFilter : public BrowserMessageFilter {
  14  public:
  15   BatteryStatusMessageFilter();
  16
  17   // BrowserMessageFilter implementation.
  18   bool OnMessageReceived(const IPC::Message& message) override;
  19
  20  private:
  21   ~BatteryStatusMessageFilter() override;
  22
  23   void OnBatteryStatusStart();
  24   void OnBatteryStatusStop();
  25   void SendBatteryChange(const blink::WebBatteryStatus& status);
  26
  27   BatteryStatusService::BatteryUpdateCallback callback_;
  28   scoped_ptr<BatteryStatusService::BatteryUpdateSubscription> subscription_;
  29   bool is_started_;
  30
  31   DISALLOW_COPY_AND_ASSIGN(BatteryStatusMessageFilter);
  32 };
  33
  34 }  // namespace content
  35
  36 #endif  // CONTENT_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MESSAGE_FILTER_H_