| // 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 UI_AURA_CLIENT_FOCUS_CHANGE_OBSERVER_H_ |
| #define UI_AURA_CLIENT_FOCUS_CHANGE_OBSERVER_H_ |
| |
| #include "ui/aura/aura_export.h" |
| |
| namespace aura { |
| class Window; |
| namespace client { |
| |
| // TODO(beng): this interface will be OBSOLETE by FocusChangeEvent. |
| class AURA_EXPORT FocusChangeObserver { |
| public: |
| // Called when focus moves from |lost_focus| to |gained_focus|. |
| virtual void OnWindowFocused(Window* gained_focus, Window* lost_focus) = 0; |
| |
| protected: |
| virtual ~FocusChangeObserver() {} |
| }; |
| |
| AURA_EXPORT FocusChangeObserver* GetFocusChangeObserver(Window* window); |
| AURA_EXPORT void SetFocusChangeObserver( |
| Window* window, |
| FocusChangeObserver* focus_change_observer); |
| |
| |
| } // namespace client |
| } // namespace aura |
| |
| #endif // UI_AURA_CLIENT_FOCUS_CHANGE_OBSERVER_H_ |