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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 CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_ | 5 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_ |
6 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_ | 6 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "content/public/browser/notification_observer.h" | 9 #include "content/public/browser/notification_observer.h" |
10 #include "content/public/browser/notification_registrar.h" | 10 #include "content/public/browser/notification_registrar.h" |
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41 // Used to set the active data object for the current drag operation. The | 41 // Used to set the active data object for the current drag operation. The |
42 // caller must ensure that |data| is not destroyed before the nested drag loop | 42 // caller must ensure that |data| is not destroyed before the nested drag loop |
43 // terminates. | 43 // terminates. |
44 void set_data(ui::OSExchangeData* data) { data_ = data; } | 44 void set_data(ui::OSExchangeData* data) { data_ = data; } |
45 | 45 |
46 protected: | 46 protected: |
47 // ui::DragSourceWin | 47 // ui::DragSourceWin |
48 virtual void OnDragSourceCancel(); | 48 virtual void OnDragSourceCancel(); |
49 virtual void OnDragSourceDrop(); | 49 virtual void OnDragSourceDrop(); |
50 virtual void OnDragSourceMove(); | 50 virtual void OnDragSourceMove(); |
| 51 virtual bool ShouldDropDragSource(BOOL escape_pressed, DWORD key_state); |
51 | 52 |
52 private: | 53 private: |
53 // Cannot construct thusly. | 54 // Cannot construct thusly. |
54 WebDragSource(); | 55 WebDragSource(); |
55 | 56 |
56 // OnDragSourceDrop schedules its main work to be done after IDropTarget::Drop | 57 // OnDragSourceDrop schedules its main work to be done after IDropTarget::Drop |
57 // by posting a task to this function. | 58 // by posting a task to this function. |
58 void DelayedOnDragSourceDrop(); | 59 void DelayedOnDragSourceDrop(); |
59 | 60 |
| 61 void OnDragSourceEnded(); |
| 62 |
60 // Keep a reference to the window so we can translate the cursor position. | 63 // Keep a reference to the window so we can translate the cursor position. |
61 gfx::NativeWindow source_wnd_; | 64 gfx::NativeWindow source_wnd_; |
62 | 65 |
63 // We use this as a channel to the renderer to tell it about various drag | 66 // We use this as a channel to the renderer to tell it about various drag |
64 // drop events that it needs to know about (such as when a drag operation it | 67 // drop events that it needs to know about (such as when a drag operation it |
65 // initiated terminates). | 68 // initiated terminates). |
66 WebContentsImpl* web_contents_; | 69 WebContentsImpl* web_contents_; |
67 | 70 |
68 NotificationRegistrar registrar_; | 71 NotificationRegistrar registrar_; |
69 | 72 |
70 DWORD effect_; | 73 DWORD effect_; |
71 | 74 |
72 ui::OSExchangeData* data_; | 75 ui::OSExchangeData* data_; |
73 | 76 |
74 DISALLOW_COPY_AND_ASSIGN(WebDragSource); | 77 DISALLOW_COPY_AND_ASSIGN(WebDragSource); |
75 }; | 78 }; |
76 | 79 |
77 } // namespace content | 80 } // namespace content |
78 | 81 |
79 #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_ | 82 #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_ |
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