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// Copyright (c) 2012 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 CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_UPDATER_H_
#define CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_UPDATER_H_
#pragma once
#include "chrome/browser/chromeos/system/timezone_settings.h"
#include "chromeos/dbus/power_manager_client.h"
class ClockMenuButton;
// ClockUpdater is responsible for updating a ClockMenuButton when:
// 1. the timezone changes.
// 2. the system resumes from sleep.
class ClockUpdater : public chromeos::system::TimezoneSettings::Observer,
public chromeos::PowerManagerClient::Observer {
public:
explicit ClockUpdater(ClockMenuButton* button);
virtual ~ClockUpdater();
// TimezoneSettings::Observer overrides:
virtual void TimezoneChanged(const icu::TimeZone& timezone) OVERRIDE;
// PowerManagerClient::Observer overrides:
virtual void SystemResumed() OVERRIDE;
private:
ClockMenuButton* button_;
DISALLOW_COPY_AND_ASSIGN(ClockUpdater);
};
#endif // CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_UPDATER_H_
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