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
3 // found in the LICENSE file.
4
5 #include "ui/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 "ui/views/widget/root_view.h"
12 #include "ui/views/widget/widget.h"
13
14 using ui::OSExchangeData;
15 using ui::OSExchangeDataProviderWin;
16
17 namespace views {
18
DropTargetWin(internal::RootView * root_view)19 DropTargetWin::DropTargetWin(internal::RootView* root_view)
20 : ui::DropTargetWin(root_view->GetWidget()->GetNativeView()),
21 helper_(root_view) {
22 }
23
~DropTargetWin()24 DropTargetWin::~DropTargetWin() {
25 }
26
ResetTargetViewIfEquals(View * view)27 void DropTargetWin::ResetTargetViewIfEquals(View* view) {
28 helper_.ResetTargetViewIfEquals(view);
29 }
30
OnDragOver(IDataObject * data_object,DWORD key_state,POINT cursor_position,DWORD effect)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::ConvertPointFromScreen(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
OnDragLeave(IDataObject * data_object)44 void DropTargetWin::OnDragLeave(IDataObject* data_object) {
45 helper_.OnDragExit();
46 }
47
OnDrop(IDataObject * data_object,DWORD key_state,POINT cursor_position,DWORD effect)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::ConvertPointFromScreen(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
64