| // Copyright (c) 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 CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_CONFIGURATION_OBSERVER_H_ |
| #define CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_CONFIGURATION_OBSERVER_H_ |
| |
| #include "ash/display/display_controller.h" |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| |
| namespace chromeos { |
| |
| // DisplayConfigurationObserver observes and saves |
| // the change of display configurations. |
| class DisplayConfigurationObserver : public ash::DisplayController::Observer { |
| public: |
| DisplayConfigurationObserver(); |
| virtual ~DisplayConfigurationObserver(); |
| |
| protected: |
| // ash::DisplayController::Observer overrides: |
| virtual void OnDisplaysInitialized() override; |
| virtual void OnDisplayConfigurationChanged() override; |
| |
| DISALLOW_COPY_AND_ASSIGN(DisplayConfigurationObserver); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_CONFIGURATION_OBSERVER_H_ |