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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_CONTEXT_MENU_CONTROLLER_H_ | 5 #ifndef VIEWS_CONTEXT_MENU_CONTROLLER_H_ |
6 #define VIEWS_CONTEXT_MENU_CONTROLLER_H_ | 6 #define VIEWS_CONTEXT_MENU_CONTROLLER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "views/views_api.h" | 9 #include "views/views_export.h" |
10 | 10 |
11 namespace gfx { | 11 namespace gfx { |
12 class Point; | 12 class Point; |
13 } | 13 } |
14 | 14 |
15 namespace views { | 15 namespace views { |
16 class View; | 16 class View; |
17 | 17 |
18 // ContextMenuController is responsible for showing the context menu for a | 18 // ContextMenuController is responsible for showing the context menu for a |
19 // View. To use a ContextMenuController invoke set_context_menu_controller on a | 19 // View. To use a ContextMenuController invoke set_context_menu_controller on a |
20 // View. When the appropriate user gesture occurs ShowContextMenu is invoked | 20 // View. When the appropriate user gesture occurs ShowContextMenu is invoked |
21 // on the ContextMenuController. | 21 // on the ContextMenuController. |
22 // | 22 // |
23 // Setting a ContextMenuController on a view makes the view process mouse | 23 // Setting a ContextMenuController on a view makes the view process mouse |
24 // events. | 24 // events. |
25 // | 25 // |
26 // It is up to subclasses that do their own mouse processing to invoke | 26 // It is up to subclasses that do their own mouse processing to invoke |
27 // the appropriate ContextMenuController method, typically by invoking super's | 27 // the appropriate ContextMenuController method, typically by invoking super's |
28 // implementation for mouse processing. | 28 // implementation for mouse processing. |
29 class VIEWS_API ContextMenuController { | 29 class VIEWS_EXPORT ContextMenuController { |
30 public: | 30 public: |
31 // Invoked to show the context menu for the source view. If |is_mouse_gesture| | 31 // Invoked to show the context menu for the source view. If |is_mouse_gesture| |
32 // is true, |p| is the location of the mouse. If |is_mouse_gesture| is false, | 32 // is true, |p| is the location of the mouse. If |is_mouse_gesture| is false, |
33 // this method was not invoked by a mouse gesture and |p| is the recommended | 33 // this method was not invoked by a mouse gesture and |p| is the recommended |
34 // location to show the menu at. | 34 // location to show the menu at. |
35 // | 35 // |
36 // |p| is in screen coordinates. | 36 // |p| is in screen coordinates. |
37 virtual void ShowContextMenuForView(View* source, | 37 virtual void ShowContextMenuForView(View* source, |
38 const gfx::Point& p, | 38 const gfx::Point& p, |
39 bool is_mouse_gesture) = 0; | 39 bool is_mouse_gesture) = 0; |
40 | 40 |
41 protected: | 41 protected: |
42 virtual ~ContextMenuController() {} | 42 virtual ~ContextMenuController() {} |
43 }; | 43 }; |
44 | 44 |
45 } // namespace views | 45 } // namespace views |
46 | 46 |
47 #endif // VIEWS_CONTEXT_MENU_CONTROLLER_H_ | 47 #endif // VIEWS_CONTEXT_MENU_CONTROLLER_H_ |
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