mirror of
https://github.com/RGBCube/serenity
synced 2025-05-28 13:05:09 +00:00
86 lines
3.6 KiB
C++
86 lines
3.6 KiB
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibWeb/Layout/FormattingContext.h>
|
|
|
|
namespace Web::Layout {
|
|
|
|
struct FlexItem;
|
|
struct FlexLine;
|
|
|
|
class FlexFormattingContext final : public FormattingContext {
|
|
public:
|
|
FlexFormattingContext(Box& flex_container, FormattingContext* parent);
|
|
~FlexFormattingContext();
|
|
|
|
virtual bool inhibits_floating() const override { return true; }
|
|
|
|
virtual void run(Box&, LayoutMode) override;
|
|
|
|
private:
|
|
bool has_definite_main_size(Box const&) const;
|
|
bool has_definite_cross_size(Box const&) const;
|
|
float specified_main_size(Box const&) const;
|
|
float specified_cross_size(Box const&) const;
|
|
bool has_main_min_size(Box const&) const;
|
|
bool has_cross_min_size(Box const&) const;
|
|
bool cross_size_is_absolute_or_resolved_nicely(NodeWithStyle const&) const;
|
|
float specified_main_max_size(Box const&) const;
|
|
float specified_cross_max_size(Box const&) const;
|
|
float calculated_main_size(Box const&) const;
|
|
bool is_cross_auto(Box const&) const;
|
|
bool is_main_axis_margin_first_auto(Box const&) const;
|
|
bool is_main_axis_margin_second_auto(Box const&) const;
|
|
float specified_main_size_of_child_box(Box const& flex_container, Box const& child_box) const;
|
|
float specified_main_min_size(Box const&) const;
|
|
float specified_cross_min_size(Box const&) const;
|
|
bool has_main_max_size(Box const&) const;
|
|
bool has_cross_max_size(Box const&) const;
|
|
float sum_of_margin_padding_border_in_main_axis(Box const&) const;
|
|
|
|
void set_main_size(Box&, float size);
|
|
void set_cross_size(Box&, float size);
|
|
void set_offset(Box&, float main_offset, float cross_offset);
|
|
void set_main_axis_first_margin(Box&, float margin);
|
|
void set_main_axis_second_margin(Box&, float margin);
|
|
|
|
void generate_anonymous_flex_items(Box& flex_container, Vector<FlexItem>&);
|
|
|
|
struct AvailableSpace {
|
|
float main { 0 };
|
|
float cross { 0 };
|
|
};
|
|
AvailableSpace determine_available_main_and_cross_space(Box const& flex_container, bool& main_size_is_infinite, bool& main_is_constrained, bool& cross_is_constrained, float& main_min_size, float& main_max_size, float& cross_min_size, float& cross_max_size) const;
|
|
|
|
float layout_for_maximum_main_size(Box&);
|
|
void determine_flex_base_size_and_hypothetical_main_size(Box const& flex_container, FlexItem&);
|
|
|
|
void determine_main_size_of_flex_container(Box& flex_container, Vector<FlexItem>&, bool main_is_constrained, bool main_size_is_infinite, float& main_available_size, float main_min_size, float main_max_size);
|
|
|
|
Vector<FlexLine> collect_flex_items_into_flex_lines(Box const& flex_container, Vector<FlexItem>&, float main_available_size);
|
|
|
|
void resolve_flexible_lengths(Vector<FlexLine>&, float main_available_size);
|
|
|
|
float determine_hypothetical_cross_size_of_item(Box&);
|
|
|
|
void calculate_cross_size_of_each_flex_line(Box const& flex_container, Vector<FlexLine>&, float cross_min_size, float cross_max_size);
|
|
|
|
void determine_used_cross_size_of_each_flex_item(Box const& flex_container, Vector<FlexLine>&);
|
|
|
|
void distribute_any_remaining_free_space(Box const& flex_container, Vector<FlexLine>&, float main_available_size);
|
|
|
|
void align_all_flex_items_along_the_cross_axis(Box const& flex_container, Vector<FlexLine>&);
|
|
|
|
void determine_flex_container_used_cross_size(Box& flex_container, Vector<FlexLine> const&, float cross_min_size, float cross_max_size);
|
|
|
|
bool is_row_layout() const { return m_flex_direction == CSS::FlexDirection::Row || m_flex_direction == CSS::FlexDirection::RowReverse; }
|
|
|
|
CSS::FlexDirection m_flex_direction {};
|
|
};
|
|
|
|
}
|