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.
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/DOM/Element.h>
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#include <LibWeb/Layout/Box.h>
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namespace Web::Layout {
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class ReplacedBox : public Box {
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JS_CELL(ReplacedBox, Box);
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public:
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ReplacedBox(DOM::Document&, DOM::Element&, NonnullRefPtr<CSS::StyleProperties>);
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virtual ~ReplacedBox() override;
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const DOM::Element& dom_node() const { return verify_cast<DOM::Element>(*Node::dom_node()); }
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DOM::Element& dom_node() { return verify_cast<DOM::Element>(*Node::dom_node()); }
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virtual Optional<float> intrinsic_width() const final { return m_intrinsic_width; }
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virtual Optional<float> intrinsic_height() const final { return m_intrinsic_height; }
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virtual Optional<float> intrinsic_aspect_ratio() const final { return m_intrinsic_aspect_ratio; }
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void set_intrinsic_width(Optional<float> width) { m_intrinsic_width = width; }
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void set_intrinsic_height(Optional<float> height) { m_intrinsic_height = height; }
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void set_intrinsic_aspect_ratio(Optional<float> ratio) { m_intrinsic_aspect_ratio = ratio; }
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virtual void prepare_for_replaced_layout() { }
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virtual bool can_have_children() const override { return false; }
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private:
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virtual bool is_replaced_box() const final { return true; }
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Optional<float> m_intrinsic_width;
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Optional<float> m_intrinsic_height;
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Optional<float> m_intrinsic_aspect_ratio;
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};
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template<>
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inline bool Node::fast_is<ReplacedBox>() const { return is_replaced_box(); }
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}
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