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| 1 // Copyright (c) 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 CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_CONFIGURATION_OBSERVER_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_CONFIGURATION_OBSERVER_H_ |
| 7 |
| 8 #include "ash/display/display_controller.h" |
| 9 #include "base/basictypes.h" |
| 10 #include "base/compiler_specific.h" |
| 11 |
| 12 namespace chromeos { |
| 13 |
| 14 // DisplayConfigurationObserver observes and saves |
| 15 // the change of display configurations. |
| 16 class DisplayConfigurationObserver : public ash::DisplayController::Observer { |
| 17 public: |
| 18 DisplayConfigurationObserver(); |
| 19 virtual ~DisplayConfigurationObserver(); |
| 20 |
| 21 protected: |
| 22 // ash::DisplayController::Observer overrides: |
| 23 virtual void OnDisplayConfigurationChanging() OVERRIDE; |
| 24 virtual void OnDisplayConfigurationChanged() OVERRIDE; |
| 25 |
| 26 DISALLOW_COPY_AND_ASSIGN(DisplayConfigurationObserver); |
| 27 }; |
| 28 |
| 29 } // namespace chromeos |
| 30 |
| 31 #endif // CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_CONFIGURATION_OBSERVER_H_ |
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