73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* Copyright (c) 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 <AK/Vector.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Layout/BlockContainer.h>
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#include <LibWeb/Layout/FormattingContext.h>
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namespace Web::Layout {
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// https://www.w3.org/TR/css-display/#block-formatting-context
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class BlockFormattingContext : public FormattingContext {
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public:
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explicit BlockFormattingContext(BlockContainer&, FormattingContext* parent);
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~BlockFormattingContext();
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virtual void run(Box&, LayoutMode) override;
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bool is_initial() const;
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auto const& left_side_floats() const { return m_left_floats; }
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auto const& right_side_floats() const { return m_right_floats; }
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static float compute_theoretical_height(Box const&);
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void compute_width(Box&);
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// https://www.w3.org/TR/css-display/#block-formatting-context-root
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BlockContainer& root() { return static_cast<BlockContainer&>(context_box()); }
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BlockContainer const& root() const { return static_cast<BlockContainer const&>(context_box()); }
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protected:
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static void compute_height(Box&);
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void compute_position(Box&);
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private:
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virtual bool is_block_formatting_context() const final { return true; }
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void compute_width_for_floating_box(Box&);
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void compute_width_for_block_level_replaced_element_in_normal_flow(ReplacedBox&);
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void layout_initial_containing_block(LayoutMode);
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void layout_block_level_children(BlockContainer&, LayoutMode);
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void layout_inline_children(BlockContainer&, LayoutMode);
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void compute_vertical_box_model_metrics(Box& child_box, BlockContainer const& containing_block);
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void place_block_level_element_in_normal_flow(Box& child_box, BlockContainer const&);
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void layout_floating_child(Box& child, BlockContainer const& containing_block);
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void apply_transformations_to_children(Box&);
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enum class FloatSide {
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Left,
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Right,
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};
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struct FloatSideData {
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Vector<Box&> boxes;
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float y_offset { 0 };
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};
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FloatSideData m_left_floats;
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FloatSideData m_right_floats;
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};
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}
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