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
14using ui::OSExchangeData;
15using ui::OSExchangeDataProviderWin;
16
17namespace views {
18
19DropTargetWin::DropTargetWin(internal::RootView* root_view)
20    : ui::DropTargetWin(root_view->GetWidget()->GetNativeView()),
21      helper_(root_view) {
22}
23
24DropTargetWin::~DropTargetWin() {
25}
26
27void DropTargetWin::ResetTargetViewIfEquals(View* view) {
28  helper_.ResetTargetViewIfEquals(view);
29}
30
31DWORD 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
44void DropTargetWin::OnDragLeave(IDataObject* data_object) {
45  helper_.OnDragExit();
46}
47
48DWORD 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