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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef COMPONENTS_MUS_WS_FOCUS_CONTROLLER_OBSERVER_H_ | 5 #ifndef SERVICES_UI_WS_FOCUS_CONTROLLER_OBSERVER_H_ |
| 6 #define COMPONENTS_MUS_WS_FOCUS_CONTROLLER_OBSERVER_H_ | 6 #define SERVICES_UI_WS_FOCUS_CONTROLLER_OBSERVER_H_ |
| 7 | 7 |
| 8 namespace mus { | 8 namespace mus { |
| 9 namespace ws { | 9 namespace ws { |
| 10 | 10 |
| 11 enum class FocusControllerChangeSource; | 11 enum class FocusControllerChangeSource; |
| 12 class ServerWindow; | 12 class ServerWindow; |
| 13 | 13 |
| 14 class FocusControllerObserver { | 14 class FocusControllerObserver { |
| 15 public: | 15 public: |
| 16 virtual void OnActivationChanged(ServerWindow* old_active_window, | 16 virtual void OnActivationChanged(ServerWindow* old_active_window, |
| 17 ServerWindow* new_active_window) = 0; | 17 ServerWindow* new_active_window) = 0; |
| 18 virtual void OnFocusChanged(FocusControllerChangeSource change_source, | 18 virtual void OnFocusChanged(FocusControllerChangeSource change_source, |
| 19 ServerWindow* old_focused_window, | 19 ServerWindow* old_focused_window, |
| 20 ServerWindow* new_focused_window) = 0; | 20 ServerWindow* new_focused_window) = 0; |
| 21 | 21 |
| 22 protected: | 22 protected: |
| 23 ~FocusControllerObserver() {} | 23 ~FocusControllerObserver() {} |
| 24 }; | 24 }; |
| 25 | 25 |
| 26 } // namespace ws | 26 } // namespace ws |
| 27 } // namespace mus | 27 } // namespace mus |
| 28 | 28 |
| 29 #endif // COMPONENTS_MUS_WS_FOCUS_CONTROLLER_OBSERVER_H_ | 29 #endif // SERVICES_UI_WS_FOCUS_CONTROLLER_OBSERVER_H_ |
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