jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <AK/HashMap.h>
10#include <AK/NonnullRefPtr.h>
11#include <LibGfx/Font/Font.h>
12#include <LibGfx/Forward.h>
13#include <LibWeb/CSS/ComputedValues.h>
14#include <LibWeb/CSS/LengthBox.h>
15#include <LibWeb/CSS/StyleValue.h>
16
17namespace Web::CSS {
18
19class StyleProperties : public RefCounted<StyleProperties> {
20public:
21 StyleProperties() = default;
22
23 explicit StyleProperties(StyleProperties const&);
24
25 static NonnullRefPtr<StyleProperties> create() { return adopt_ref(*new StyleProperties); }
26
27 NonnullRefPtr<StyleProperties> clone() const;
28
29 template<typename Callback>
30 inline void for_each_property(Callback callback) const
31 {
32 for (size_t i = 0; i < m_property_values.size(); ++i) {
33 if (m_property_values[i])
34 callback((CSS::PropertyID)i, *m_property_values[i]);
35 }
36 }
37
38 auto& properties() { return m_property_values; }
39 auto const& properties() const { return m_property_values; }
40
41 void set_property(CSS::PropertyID, NonnullRefPtr<StyleValue const> value);
42 NonnullRefPtr<StyleValue const> property(CSS::PropertyID) const;
43 RefPtr<StyleValue const> maybe_null_property(CSS::PropertyID) const;
44
45 CSS::Size size_value(CSS::PropertyID) const;
46 LengthPercentage length_percentage_or_fallback(CSS::PropertyID, LengthPercentage const& fallback) const;
47 Optional<LengthPercentage> length_percentage(CSS::PropertyID) const;
48 LengthBox length_box(CSS::PropertyID left_id, CSS::PropertyID top_id, CSS::PropertyID right_id, CSS::PropertyID bottom_id, const CSS::Length& default_value) const;
49 Color color_or_fallback(CSS::PropertyID, Layout::NodeWithStyle const&, Color fallback) const;
50 Optional<CSS::TextAlign> text_align() const;
51 Optional<CSS::TextJustify> text_justify() const;
52 CSS::Clip clip() const;
53 CSS::Display display() const;
54 Optional<CSS::Float> float_() const;
55 Optional<CSS::Clear> clear() const;
56 CSS::ContentData content() const;
57 Optional<CSS::Cursor> cursor() const;
58 Optional<CSS::WhiteSpace> white_space() const;
59 Optional<CSS::LineStyle> line_style(CSS::PropertyID) const;
60 Vector<CSS::TextDecorationLine> text_decoration_line() const;
61 Optional<CSS::TextDecorationStyle> text_decoration_style() const;
62 Optional<CSS::TextTransform> text_transform() const;
63 Vector<CSS::ShadowData> text_shadow() const;
64 Optional<CSS::ListStyleType> list_style_type() const;
65 Optional<CSS::FlexDirection> flex_direction() const;
66 Optional<CSS::FlexWrap> flex_wrap() const;
67 Optional<CSS::FlexBasisData> flex_basis() const;
68 float flex_grow() const;
69 float flex_shrink() const;
70 int order() const;
71 Optional<CSS::AlignContent> align_content() const;
72 Optional<CSS::AlignItems> align_items() const;
73 Optional<CSS::AlignSelf> align_self() const;
74 Optional<CSS::Appearance> appearance() const;
75 CSS::BackdropFilter backdrop_filter() const;
76 float opacity() const;
77 Optional<CSS::Visibility> visibility() const;
78 Optional<CSS::ImageRendering> image_rendering() const;
79 Optional<CSS::JustifyContent> justify_content() const;
80 Optional<CSS::Overflow> overflow_x() const;
81 Optional<CSS::Overflow> overflow_y() const;
82 Vector<CSS::ShadowData> box_shadow() const;
83 Optional<CSS::BoxSizing> box_sizing() const;
84 Optional<CSS::PointerEvents> pointer_events() const;
85 Variant<CSS::VerticalAlign, CSS::LengthPercentage> vertical_align() const;
86 Optional<CSS::FontVariant> font_variant() const;
87 CSS::GridTrackSizeList grid_template_columns() const;
88 CSS::GridTrackSizeList grid_template_rows() const;
89 CSS::GridTrackPlacement grid_column_end() const;
90 CSS::GridTrackPlacement grid_column_start() const;
91 CSS::GridTrackPlacement grid_row_end() const;
92 CSS::GridTrackPlacement grid_row_start() const;
93 Optional<CSS::BorderCollapse> border_collapse() const;
94 Vector<Vector<String>> grid_template_areas() const;
95 String grid_area() const;
96
97 Vector<CSS::Transformation> transformations() const;
98 CSS::TransformOrigin transform_origin() const;
99
100 Gfx::Font const& computed_font() const
101 {
102 VERIFY(m_font);
103 return *m_font;
104 }
105
106 void set_computed_font(NonnullRefPtr<Gfx::Font const> font)
107 {
108 m_font = move(font);
109 }
110
111 CSSPixels line_height(Layout::Node const&) const;
112
113 bool operator==(StyleProperties const&) const;
114
115 Optional<CSS::Position> position() const;
116 Optional<int> z_index() const;
117
118 static NonnullRefPtr<Gfx::Font const> font_fallback(bool monospace, bool bold);
119
120private:
121 friend class StyleComputer;
122
123 Array<RefPtr<StyleValue const>, to_underlying(CSS::last_property_id) + 1> m_property_values;
124 Optional<CSS::Overflow> overflow(CSS::PropertyID) const;
125 Vector<CSS::ShadowData> shadow(CSS::PropertyID) const;
126
127 mutable RefPtr<Gfx::Font const> m_font;
128};
129
130}