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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ | 5 #ifndef VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ |
6 #define VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ | 6 #define VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <set> | 9 #include <set> |
10 #include <string> | 10 #include <string> |
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26 namespace views { | 26 namespace views { |
27 | 27 |
28 class DropTargetEvent; | 28 class DropTargetEvent; |
29 class MenuButton; | 29 class MenuButton; |
30 | 30 |
31 // MenuDelegate -------------------------------------------------------------- | 31 // MenuDelegate -------------------------------------------------------------- |
32 | 32 |
33 // Delegate for a menu. This class is used as part of MenuItemView, see it | 33 // Delegate for a menu. This class is used as part of MenuItemView, see it |
34 // for details. | 34 // for details. |
35 // TODO(sky): merge this with ui::MenuModel. | 35 // TODO(sky): merge this with ui::MenuModel. |
36 class VIEWS_API MenuDelegate { | 36 class VIEWS_EXPORT MenuDelegate { |
37 public: | 37 public: |
38 // Used during drag and drop to indicate where the drop indicator should | 38 // Used during drag and drop to indicate where the drop indicator should |
39 // be rendered. | 39 // be rendered. |
40 enum DropPosition { | 40 enum DropPosition { |
41 // Indicates a drop is not allowed here. | 41 // Indicates a drop is not allowed here. |
42 DROP_NONE, | 42 DROP_NONE, |
43 | 43 |
44 // Indicates the drop should occur before the item. | 44 // Indicates the drop should occur before the item. |
45 DROP_BEFORE, | 45 DROP_BEFORE, |
46 | 46 |
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191 // Invoked prior to a menu being shown. | 191 // Invoked prior to a menu being shown. |
192 virtual void WillShowMenu(MenuItemView* menu); | 192 virtual void WillShowMenu(MenuItemView* menu); |
193 | 193 |
194 // Invoked prior to a menu being hidden. | 194 // Invoked prior to a menu being hidden. |
195 virtual void WillHideMenu(MenuItemView* menu); | 195 virtual void WillHideMenu(MenuItemView* menu); |
196 }; | 196 }; |
197 | 197 |
198 } // namespace views | 198 } // namespace views |
199 | 199 |
200 #endif // VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ | 200 #endif // VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ |
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