1// Copyright 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_POWER_MONITOR_MESSAGE_BROADCASTER_H_ 6#define CONTENT_BROWSER_POWER_MONITOR_MESSAGE_BROADCASTER_H_ 7 8#include "base/basictypes.h" 9#include "base/power_monitor/power_observer.h" 10#include "content/common/content_export.h" 11 12namespace IPC { 13class Sender; 14} 15 16namespace content { 17 18// A class used to monitor the power state change and communicate it to child 19// processes via IPC. 20class CONTENT_EXPORT PowerMonitorMessageBroadcaster 21 : public base::PowerObserver { 22 public: 23 explicit PowerMonitorMessageBroadcaster(IPC::Sender* sender); 24 virtual ~PowerMonitorMessageBroadcaster(); 25 26 // Implement PowerObserver. 27 virtual void OnPowerStateChange(bool on_battery_power) OVERRIDE; 28 virtual void OnSuspend() OVERRIDE; 29 virtual void OnResume() OVERRIDE; 30 31 void Init(); 32 33 private: 34 IPC::Sender* sender_; 35 36 DISALLOW_COPY_AND_ASSIGN(PowerMonitorMessageBroadcaster); 37}; 38 39} // namespace content 40 41#endif // CONTENT_BROWSER_POWER_MONITOR_MESSAGE_BROADCASTER_H_ 42