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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 UI_EVENTS_EVENT_TARGET_H_ | 5 #ifndef UI_EVENTS_EVENT_TARGET_H_ |
| 6 #define UI_EVENTS_EVENT_TARGET_H_ | 6 #define UI_EVENTS_EVENT_TARGET_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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| 78 bool IsPreTargetListEmpty() const; | 78 bool IsPreTargetListEmpty() const; |
| 79 | 79 |
| 80 void set_target_handler(EventHandler* handler) { | 80 void set_target_handler(EventHandler* handler) { |
| 81 target_handler_ = handler; | 81 target_handler_ = handler; |
| 82 } | 82 } |
| 83 | 83 |
| 84 protected: | 84 protected: |
| 85 EventHandler* target_handler() { return target_handler_; } | 85 EventHandler* target_handler() { return target_handler_; } |
| 86 | 86 |
| 87 // Overridden from EventHandler: | 87 // Overridden from EventHandler: |
| 88 virtual void OnEvent(Event* event) OVERRIDE; | 88 virtual void OnEvent(Event* event) override; |
| 89 virtual void OnKeyEvent(KeyEvent* event) OVERRIDE; | 89 virtual void OnKeyEvent(KeyEvent* event) override; |
| 90 virtual void OnMouseEvent(MouseEvent* event) OVERRIDE; | 90 virtual void OnMouseEvent(MouseEvent* event) override; |
| 91 virtual void OnScrollEvent(ScrollEvent* event) OVERRIDE; | 91 virtual void OnScrollEvent(ScrollEvent* event) override; |
| 92 virtual void OnTouchEvent(TouchEvent* event) OVERRIDE; | 92 virtual void OnTouchEvent(TouchEvent* event) override; |
| 93 virtual void OnGestureEvent(GestureEvent* event) OVERRIDE; | 93 virtual void OnGestureEvent(GestureEvent* event) override; |
| 94 | 94 |
| 95 private: | 95 private: |
| 96 friend class EventDispatcher; | 96 friend class EventDispatcher; |
| 97 friend class EventTargetTestApi; | 97 friend class EventTargetTestApi; |
| 98 | 98 |
| 99 // Returns the list of handlers that should receive the event before the | 99 // Returns the list of handlers that should receive the event before the |
| 100 // target. The handlers from the outermost target are first in the list, and | 100 // target. The handlers from the outermost target are first in the list, and |
| 101 // the handlers on |this| are the last in the list. | 101 // the handlers on |this| are the last in the list. |
| 102 void GetPreTargetHandlers(EventHandlerList* list); | 102 void GetPreTargetHandlers(EventHandlerList* list); |
| 103 | 103 |
| 104 // Returns the list of handlers that should receive the event after the | 104 // Returns the list of handlers that should receive the event after the |
| 105 // target. The handlers from the outermost target are last in the list, and | 105 // target. The handlers from the outermost target are last in the list, and |
| 106 // the handlers on |this| are the first in the list. | 106 // the handlers on |this| are the first in the list. |
| 107 void GetPostTargetHandlers(EventHandlerList* list); | 107 void GetPostTargetHandlers(EventHandlerList* list); |
| 108 | 108 |
| 109 EventHandlerList pre_target_list_; | 109 EventHandlerList pre_target_list_; |
| 110 EventHandlerList post_target_list_; | 110 EventHandlerList post_target_list_; |
| 111 EventHandler* target_handler_; | 111 EventHandler* target_handler_; |
| 112 | 112 |
| 113 DISALLOW_COPY_AND_ASSIGN(EventTarget); | 113 DISALLOW_COPY_AND_ASSIGN(EventTarget); |
| 114 }; | 114 }; |
| 115 | 115 |
| 116 } // namespace ui | 116 } // namespace ui |
| 117 | 117 |
| 118 #endif // UI_EVENTS_EVENT_TARGET_H_ | 118 #endif // UI_EVENTS_EVENT_TARGET_H_ |
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