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// Copyright 2021 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_LINUX_WINDOW_FRAME_PROVIDER_H_
#define UI_LINUX_WINDOW_FRAME_PROVIDER_H_
#include "ui/base/ui_base_types.h"
namespace gfx {
class Canvas;
class Insets;
class Rect;
} // namespace gfx
namespace ui {
class WindowFrameProvider {
public:
virtual ~WindowFrameProvider() = default;
// Returns the radius of the top-left and top-right corners in DIPs. Used
// only as a hint to the compositor so it knows to redraw the part of the
// window behind the corners.
virtual int GetTopCornerRadiusDip() = 0;
// Returns the shadow and border drawn around the window in DIPs.
virtual gfx::Insets GetFrameThicknessDip() = 0;
// Draws a native window border and shadow. |rect| is the bounds of the
// window. The decoration will be drawn outside of that region.
virtual void PaintWindowFrame(gfx::Canvas* canvas,
const gfx::Rect& rect,
int top_area_height,
bool focused,
ui::WindowTiledEdges tiled_edges) = 0;
};
} // namespace ui
#endif // UI_LINUX_WINDOW_FRAME_PROVIDER_H_
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