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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_DRAG_UTILS_H_
#define UI_VIEWS_DRAG_UTILS_H_
#include <memory>
#include "ui/base/dragdrop/mojom/drag_drop_types.mojom-forward.h"
#include "ui/base/dragdrop/os_exchange_data.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/views/views_export.h"
namespace gfx {
class Point;
}
namespace views {
class Widget;
// Starts a drag operation. This blocks until the drag operation completes or is
// cancelled by calling `CancelShellDrag()`.
VIEWS_EXPORT void RunShellDrag(gfx::NativeView view,
std::unique_ptr<ui::OSExchangeData> data,
const gfx::Point& location,
int operation,
ui::mojom::DragEventSource source);
// Cancels a currently running drag operation. If `allow_widget_mismatch` is
// true, the check whether a drag session is currently running is skipped; this
// can be used to cancel a drag that was initiated by a different widget, if the
// platform supports it.
VIEWS_EXPORT void CancelShellDrag(gfx::NativeView view,
bool allow_widget_mismatch = false);
// Returns the device scale for the display associated with this |widget|'s
// native view.
VIEWS_EXPORT float ScaleFactorForDragFromWidget(const Widget* widget);
} // namespace views
#endif // UI_VIEWS_DRAG_UTILS_H_
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