| // Copyright 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 ASH_DISPLAY_DISPLAY_CHANGE_OBSERVER_CHROMEOS_H |
| #define ASH_DISPLAY_DISPLAY_CHANGE_OBSERVER_CHROMEOS_H |
| |
| #include "ash/ash_export.h" |
| #include "ash/shell_observer.h" |
| #include "base/basictypes.h" |
| #include "ui/display/chromeos/display_configurator.h" |
| |
| namespace ash { |
| |
| struct DisplayMode; |
| |
| // An object that observes changes in display configuration and |
| // update DisplayManagers. |
| class DisplayChangeObserver : public ui::DisplayConfigurator::StateController, |
| public ui::DisplayConfigurator::Observer, |
| public ShellObserver { |
| public: |
| // Returns the resolution list. |
| ASH_EXPORT static std::vector<DisplayMode> GetDisplayModeList( |
| const ui::DisplayConfigurator::DisplayState& output); |
| |
| DisplayChangeObserver(); |
| virtual ~DisplayChangeObserver(); |
| |
| // ui::DisplayConfigurator::StateController overrides: |
| virtual ui::MultipleDisplayState GetStateForDisplayIds( |
| const std::vector<int64>& outputs) const OVERRIDE; |
| virtual bool GetResolutionForDisplayId(int64 display_id, |
| gfx::Size* size) const OVERRIDE; |
| |
| // Overriden from ui::DisplayConfigurator::Observer: |
| virtual void OnDisplayModeChanged( |
| const ui::DisplayConfigurator::DisplayStateList& outputs) OVERRIDE; |
| |
| // Overriden from ShellObserver: |
| virtual void OnAppTerminating() OVERRIDE; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(DisplayChangeObserver); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_DISPLAY_AURA_DISPLAY_CHANGE_OBSERVER_CHROMEOS_H |