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// Copyright (c) 2010 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_BRIGHTNESS_OBSERVER_H_
#define CHROME_BROWSER_CHROMEOS_BRIGHTNESS_OBSERVER_H_
#pragma once
#include "base/basictypes.h"
#include "chrome/browser/chromeos/cros/brightness_library.h"
namespace chromeos {
// This observer displays a bubble at the bottom of the screen showing the
// current brightness level whenever the user changes it.
class BrightnessObserver : public BrightnessLibrary::Observer {
public:
BrightnessObserver() {}
virtual ~BrightnessObserver() {}
private:
// BrightnessLibrary::Observer implementation.
virtual void BrightnessChanged(int level);
DISALLOW_COPY_AND_ASSIGN(BrightnessObserver);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_BRIGHTNESS_OBSERVER_H_
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