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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 CHROME_VIEWS_ROOT_VIEW_DROP_TARGET_H__ | 5 #ifndef CHROME_VIEWS_ROOT_VIEW_DROP_TARGET_H__ |
6 #define CHROME_VIEWS_ROOT_VIEW_DROP_TARGET_H__ | 6 #define CHROME_VIEWS_ROOT_VIEW_DROP_TARGET_H__ |
7 | 7 |
8 #include <atlbase.h> | 8 #include <atlbase.h> |
9 #include <atlapp.h> | 9 #include <atlapp.h> |
10 #include <atlmisc.h> | 10 #include <atlmisc.h> |
11 | 11 |
12 #include "base/base_drop_target.h" | 12 #include "base/base_drop_target.h" |
13 #include "chrome/common/os_exchange_data.h" | 13 #include "chrome/common/os_exchange_data.h" |
14 | 14 |
| 15 namespace gfx { |
| 16 class Point; |
| 17 } |
| 18 |
15 namespace ChromeViews { | 19 namespace ChromeViews { |
16 | 20 |
17 class RootView; | 21 class RootView; |
18 class View; | 22 class View; |
19 | 23 |
20 // RootViewDropTarget takes care of managing drag and drop for the RootView and | 24 // RootViewDropTarget takes care of managing drag and drop for the RootView and |
21 // converts Windows OLE drop messages into Views drop messages. | 25 // converts Windows OLE drop messages into Views drop messages. |
22 // | 26 // |
23 // RootViewDropTarget is responsible for determining the appropriate View to | 27 // RootViewDropTarget is responsible for determining the appropriate View to |
24 // use during a drag and drop session, and forwarding events to it. | 28 // use during a drag and drop session, and forwarding events to it. |
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44 virtual DWORD OnDrop(IDataObject* data_object, | 48 virtual DWORD OnDrop(IDataObject* data_object, |
45 DWORD key_state, | 49 DWORD key_state, |
46 POINT cursor_position, | 50 POINT cursor_position, |
47 DWORD effect); | 51 DWORD effect); |
48 | 52 |
49 private: | 53 private: |
50 // Calculates the target view for a drop given the specified location in | 54 // Calculates the target view for a drop given the specified location in |
51 // the coordinate system of the rootview. This tries to avoid continually | 55 // the coordinate system of the rootview. This tries to avoid continually |
52 // querying CanDrop by returning target_view_ if the mouse is still over | 56 // querying CanDrop by returning target_view_ if the mouse is still over |
53 // target_view_. | 57 // target_view_. |
54 View* CalculateTargetView(const CPoint& root_view_location, | 58 View* CalculateTargetView(const gfx::Point& root_view_location, |
55 const OSExchangeData& data); | 59 const OSExchangeData& data); |
56 | 60 |
57 // RootView we were created for. | 61 // RootView we were created for. |
58 RootView* root_view_; | 62 RootView* root_view_; |
59 | 63 |
60 // View we're targeting events at. | 64 // View we're targeting events at. |
61 View* target_view_; | 65 View* target_view_; |
62 | 66 |
63 // The deepest view under the current drop coordinate. | 67 // The deepest view under the current drop coordinate. |
64 View* deepest_view_; | 68 View* deepest_view_; |
65 | 69 |
66 DISALLOW_EVIL_CONSTRUCTORS(RootViewDropTarget); | 70 DISALLOW_EVIL_CONSTRUCTORS(RootViewDropTarget); |
67 }; | 71 }; |
68 | 72 |
69 } // namespace | 73 } // namespace |
70 | 74 |
71 #endif // CHROME_VIEWS_ROOT_VIEW_DROP_TARGET_H__ | 75 #endif // CHROME_VIEWS_ROOT_VIEW_DROP_TARGET_H__ |
72 | 76 |
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