77a2b151ea
Introduce `table_box()` function that returns table formatting context root box casted to `TableBox` similar to how it's done in other formatting contexts like `root()` in BFC and `flex_container` in FFC. And replace `context_box()` calls in TFC with calls to `table_box()`.
75 lines
1.9 KiB
C++
75 lines
1.9 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/Forward.h>
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#include <LibWeb/Layout/FormattingContext.h>
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namespace Web::Layout {
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class TableFormattingContext final : public FormattingContext {
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public:
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explicit TableFormattingContext(LayoutState&, TableBox const&, FormattingContext* parent);
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~TableFormattingContext();
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virtual void run(Box const&, LayoutMode, AvailableSpace const&) override;
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virtual CSSPixels automatic_content_height() const override;
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TableBox const& table_box() const { return static_cast<TableBox const&>(context_box()); }
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private:
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void calculate_row_column_grid(Box const&);
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void compute_table_measures();
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void compute_table_width();
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void distribute_width_to_columns();
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void determine_intrisic_size_of_table_container(AvailableSpace const& available_space);
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void calculate_row_heights();
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void position_row_boxes();
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void position_cell_boxes();
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CSSPixels m_automatic_content_height { 0 };
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Optional<AvailableSpace> m_available_space;
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enum class ColumnType {
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Percent,
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Pixel,
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Auto
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};
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struct Column {
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ColumnType type { ColumnType::Auto };
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CSSPixels left_offset { 0 };
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CSSPixels min_width { 0 };
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CSSPixels max_width { 0 };
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CSSPixels used_width { 0 };
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float percentage_width { 0 };
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};
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struct Row {
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Box& box;
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CSSPixels used_height { 0 };
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CSSPixels baseline { 0 };
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};
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struct Cell {
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Box& box;
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size_t column_index;
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size_t row_index;
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size_t column_span;
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size_t row_span;
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CSSPixels baseline { 0 };
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CSSPixels min_width { 0 };
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CSSPixels max_width { 0 };
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};
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Vector<Cell> m_cells;
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Vector<Column> m_columns;
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Vector<Row> m_rows;
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};
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}
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