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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "views/widget/drop_target_win.h" | |
6 | |
7 #include "ui/base/dragdrop/drag_drop_types.h" | |
8 #include "ui/base/dragdrop/os_exchange_data.h" | |
9 #include "ui/base/dragdrop/os_exchange_data_provider_win.h" | |
10 #include "ui/gfx/point.h" | |
11 #include "views/widget/root_view.h" | |
12 #include "views/widget/widget.h" | |
13 | |
14 using ui::OSExchangeData; | |
15 using ui::OSExchangeDataProviderWin; | |
16 | |
17 namespace views { | |
18 | |
19 DropTargetWin::DropTargetWin(internal::RootView* root_view) | |
20 : ui::DropTarget(root_view->GetWidget()->GetNativeView()), | |
21 helper_(root_view) { | |
22 } | |
23 | |
24 DropTargetWin::~DropTargetWin() { | |
25 } | |
26 | |
27 void DropTargetWin::ResetTargetViewIfEquals(View* view) { | |
28 helper_.ResetTargetViewIfEquals(view); | |
29 } | |
30 | |
31 DWORD DropTargetWin::OnDragOver(IDataObject* data_object, | |
32 DWORD key_state, | |
33 POINT cursor_position, | |
34 DWORD effect) { | |
35 gfx::Point root_view_location(cursor_position.x, cursor_position.y); | |
36 View::ConvertPointToView(NULL, helper_.root_view(), &root_view_location); | |
37 OSExchangeData data(new OSExchangeDataProviderWin(data_object)); | |
38 int drop_operation = | |
39 helper_.OnDragOver(data, root_view_location, | |
40 ui::DragDropTypes::DropEffectToDragOperation(effect)); | |
41 return ui::DragDropTypes::DragOperationToDropEffect(drop_operation); | |
42 } | |
43 | |
44 void DropTargetWin::OnDragLeave(IDataObject* data_object) { | |
45 helper_.OnDragExit(); | |
46 } | |
47 | |
48 DWORD DropTargetWin::OnDrop(IDataObject* data_object, | |
49 DWORD key_state, | |
50 POINT cursor_position, | |
51 DWORD effect) { | |
52 gfx::Point root_view_location(cursor_position.x, cursor_position.y); | |
53 View::ConvertPointToView(NULL, helper_.root_view(), &root_view_location); | |
54 | |
55 OSExchangeData data(new OSExchangeDataProviderWin(data_object)); | |
56 int drop_operation = ui::DragDropTypes::DropEffectToDragOperation(effect); | |
57 drop_operation = helper_.OnDragOver(data, root_view_location, | |
58 drop_operation); | |
59 drop_operation = helper_.OnDrop(data, root_view_location, drop_operation); | |
60 return ui::DragDropTypes::DragOperationToDropEffect(drop_operation); | |
61 } | |
62 | |
63 } // namespace views | |
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