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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_CHROMEOS_POWER_BRIGHTNESS_OBSERVER_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_POWER_BRIGHTNESS_OBSERVER_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_POWER_BRIGHTNESS_OBSERVER_H_ | 6 #define CHROME_BROWSER_CHROMEOS_POWER_BRIGHTNESS_OBSERVER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
| 11 #include "chrome/browser/chromeos/dbus/power_manager_client.h" | 11 #include "chromeos/dbus/power_manager_client.h" |
| 12 | 12 |
| 13 namespace chromeos { | 13 namespace chromeos { |
| 14 | 14 |
| 15 // This observer displays a bubble at the bottom of the screen showing the | 15 // This observer displays a bubble at the bottom of the screen showing the |
| 16 // current brightness level whenever the user changes it. | 16 // current brightness level whenever the user changes it. |
| 17 class BrightnessObserver : public PowerManagerClient::Observer { | 17 class BrightnessObserver : public PowerManagerClient::Observer { |
| 18 public: | 18 public: |
| 19 // This class registers/unregisters itself as an observer in ctor/dtor. | 19 // This class registers/unregisters itself as an observer in ctor/dtor. |
| 20 BrightnessObserver(); | 20 BrightnessObserver(); |
| 21 virtual ~BrightnessObserver(); | 21 virtual ~BrightnessObserver(); |
| 22 | 22 |
| 23 private: | 23 private: |
| 24 // PowerManagerClient::Observer implementation. | 24 // PowerManagerClient::Observer implementation. |
| 25 virtual void BrightnessChanged(int level, bool user_initiated) OVERRIDE; | 25 virtual void BrightnessChanged(int level, bool user_initiated) OVERRIDE; |
| 26 | 26 |
| 27 DISALLOW_COPY_AND_ASSIGN(BrightnessObserver); | 27 DISALLOW_COPY_AND_ASSIGN(BrightnessObserver); |
| 28 }; | 28 }; |
| 29 | 29 |
| 30 } // namespace chromeos | 30 } // namespace chromeos |
| 31 | 31 |
| 32 #endif // CHROME_BROWSER_CHROMEOS_POWER_BRIGHTNESS_OBSERVER_H_ | 32 #endif // CHROME_BROWSER_CHROMEOS_POWER_BRIGHTNESS_OBSERVER_H_ |
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