268b9c5d90
This removes a set of complex reference cycles between DOM, layout tree and browsing context. It also makes lifetimes much easier to reason about, as the DOM and layout trees are now free to keep each other alive.
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
/*
|
|
* 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 <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<float> intrinsic_width() const { return {}; }
|
|
virtual Optional<float> 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 RefPtr<Painting::Paintable> create_paintable() const override;
|
|
|
|
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; }
|
|
};
|
|
|
|
template<>
|
|
inline bool Node::fast_is<Box>() const { return is_box(); }
|
|
|
|
}
|