| // Copyright 2015 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 SERVICES_UI_WS_FOCUS_CONTROLLER_OBSERVER_H_ |
| #define SERVICES_UI_WS_FOCUS_CONTROLLER_OBSERVER_H_ |
| |
| namespace ui { |
| namespace ws { |
| |
| enum class FocusControllerChangeSource; |
| class ServerWindow; |
| |
| class FocusControllerObserver { |
| public: |
| virtual void OnActivationChanged(ServerWindow* old_active_window, |
| ServerWindow* new_active_window) = 0; |
| virtual void OnFocusChanged(FocusControllerChangeSource change_source, |
| ServerWindow* old_focused_window, |
| ServerWindow* new_focused_window) = 0; |
| |
| protected: |
| ~FocusControllerObserver() {} |
| }; |
| |
| } // namespace ws |
| } // namespace ui |
| |
| #endif // SERVICES_UI_WS_FOCUS_CONTROLLER_OBSERVER_H_ |