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/*
* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/OwnPtr.h>
#include <LibGfx/Rect.h>
#include <LibJS/Heap/Cell.h>
#include <LibWeb/Layout/Node.h>
namespace Web::Layout {
struct LineBoxFragmentCoordinate {
size_t line_box_index { 0 };
size_t fragment_index { 0 };
};
class Box : public NodeWithStyleAndBoxModelMetrics {
JS_CELL(Box, NodeWithStyleAndBoxModelMetrics);
public:
Painting::PaintableBox const* paint_box() const;
virtual void set_needs_display() override;
bool is_body() const;
virtual Optional<CSSPixels> intrinsic_width() const { return {}; }
virtual Optional<CSSPixels> intrinsic_height() const { return {}; }
virtual Optional<float> intrinsic_aspect_ratio() const { return {}; }
bool has_intrinsic_width() const { return intrinsic_width().has_value(); }
bool has_intrinsic_height() const { return intrinsic_height().has_value(); }
bool has_intrinsic_aspect_ratio() const { return intrinsic_aspect_ratio().has_value(); }
virtual ~Box() override;
virtual void did_set_rect() { }
virtual JS::GCPtr<Painting::Paintable> create_paintable() const override;
bool is_scrollable() const;
CSSPixelPoint scroll_offset() const { return m_scroll_offset; }
void set_scroll_offset(CSSPixelPoint);
protected:
Box(DOM::Document&, DOM::Node*, NonnullRefPtr<CSS::StyleProperties>);
Box(DOM::Document&, DOM::Node*, CSS::ComputedValues);
private:
virtual bool is_box() const final { return true; }
CSSPixelPoint m_scroll_offset;
};
template<>
inline bool Node::fast_is<Box>() const { return is_box(); }
}
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