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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_POWER_MONITOR_MESSAGE_BROADCASTER_H_
#define CONTENT_BROWSER_POWER_MONITOR_MESSAGE_BROADCASTER_H_
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/power_monitor/power_observer.h"
#include "content/common/content_export.h"
#include "content/public/browser/browser_thread.h"
namespace IPC {
class Sender;
}
namespace content {
// A class used to monitor the power state change and communicate it to child
// processes via IPC.
class CONTENT_EXPORT PowerMonitorMessageBroadcaster
: public base::PowerObserver {
public:
explicit PowerMonitorMessageBroadcaster(IPC::Sender* sender);
virtual ~PowerMonitorMessageBroadcaster();
// Implement PowerObserver.
virtual void OnPowerStateChange(bool on_battery_power) OVERRIDE;
virtual void OnSuspend() OVERRIDE;
virtual void OnResume() OVERRIDE;
private:
IPC::Sender* sender_;
DISALLOW_COPY_AND_ASSIGN(PowerMonitorMessageBroadcaster);
};
} // namespace base
#endif // CONTENT_BROWSER_POWER_MONITOR_MESSAGE_BROADCASTER_H_
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