| // Copyright (c) 2012 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_WM_ACTIVATION_CONTROLLER_DELEGATE_H_ |
| #define ASH_WM_ACTIVATION_CONTROLLER_DELEGATE_H_ |
| |
| #include "ash/ash_export.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace ash { |
| namespace internal { |
| |
| class ASH_EXPORT ActivationControllerDelegate { |
| public: |
| virtual ~ActivationControllerDelegate() {} |
| |
| // Called when the ActivationController is about to activate |window|. The |
| // delegate gets an opportunity to take action and modify activation. |
| // Modification occurs via the return value: |
| // Returning |window| will activate |window|. |
| // Returning some other window will activate that window instead. |
| // Returning NULL will not change activation. |
| virtual aura::Window* WillActivateWindow(aura::Window* window) = 0; |
| |
| // Called when the ActivationController is about to focus |window|. Returns |
| // the window that should be focused instead. |
| virtual aura::Window* WillFocusWindow(aura::Window* window) = 0; |
| }; |
| |
| } // namespace internal |
| } // namespace ash |
| |
| #endif // ASH_WM_ACTIVATION_CONTROLLER_DELEGATE_H_ |