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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/dragdrop/drag_source_win.h"
#include "ui/base/dragdrop/os_exchange_data_provider_win.h"
namespace ui {
DragSourceWin::DragSourceWin() : cancel_drag_(false), data_(nullptr) {
}
HRESULT DragSourceWin::QueryContinueDrag(BOOL escape_pressed, DWORD key_state) {
if (cancel_drag_)
return DRAGDROP_S_CANCEL;
if (escape_pressed) {
OnDragSourceCancel();
return DRAGDROP_S_CANCEL;
}
if (!(key_state & MK_LBUTTON)) {
OnDragSourceDrop();
return DRAGDROP_S_DROP;
}
OnDragSourceMove();
return S_OK;
}
HRESULT DragSourceWin::GiveFeedback(DWORD effect) {
return DRAGDROP_S_USEDEFAULTCURSORS;
}
void DragSourceWin::OnDragSourceDrop() {
DCHECK(data_);
ui::OSExchangeDataProviderWin::GetDataObjectImpl(*data_)
->set_in_drag_loop(false);
}
} // namespace ui
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