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c37820b898
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
110 lines
3.9 KiB
C++
110 lines
3.9 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 <AK/HashMap.h>
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#include <AK/NonnullRefPtr.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/Forward.h>
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#include <LibWeb/CSS/ComputedValues.h>
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#include <LibWeb/CSS/LengthBox.h>
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#include <LibWeb/CSS/StyleValue.h>
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namespace Web::CSS {
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class StyleProperties : public RefCounted<StyleProperties> {
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public:
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StyleProperties() = default;
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explicit StyleProperties(const StyleProperties&);
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static NonnullRefPtr<StyleProperties> create() { return adopt_ref(*new StyleProperties); }
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NonnullRefPtr<StyleProperties> clone() const;
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template<typename Callback>
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inline void for_each_property(Callback callback) const
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{
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for (size_t i = 0; i < m_property_values.size(); ++i) {
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if (m_property_values[i])
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callback((CSS::PropertyID)i, *m_property_values[i]);
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}
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}
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auto& properties() { return m_property_values; }
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auto const& properties() const { return m_property_values; }
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void set_property(CSS::PropertyID, NonnullRefPtr<StyleValue> value);
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Optional<NonnullRefPtr<StyleValue>> property(CSS::PropertyID) const;
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Length length_or_fallback(CSS::PropertyID, Length const& fallback) const;
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LengthPercentage length_percentage_or_fallback(CSS::PropertyID, LengthPercentage const& fallback) const;
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Optional<LengthPercentage> length_percentage(CSS::PropertyID) const;
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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;
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Color color_or_fallback(CSS::PropertyID, Layout::NodeWithStyle const&, Color fallback) const;
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Optional<CSS::TextAlign> text_align() const;
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Optional<CSS::TextJustify> text_justify() const;
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CSS::Display display() const;
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Optional<CSS::Float> float_() const;
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Optional<CSS::Clear> clear() const;
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CSS::ContentData content() const;
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Optional<CSS::Cursor> cursor() const;
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Optional<CSS::WhiteSpace> white_space() const;
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Optional<CSS::LineStyle> line_style(CSS::PropertyID) const;
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Optional<CSS::TextDecorationLine> text_decoration_line() const;
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Optional<CSS::TextDecorationStyle> text_decoration_style() const;
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Optional<CSS::TextTransform> text_transform() const;
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Optional<CSS::ListStyleType> list_style_type() const;
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Optional<CSS::FlexDirection> flex_direction() const;
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Optional<CSS::FlexWrap> flex_wrap() const;
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Optional<CSS::FlexBasisData> flex_basis() const;
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float flex_grow() const;
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float flex_shrink() const;
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Optional<CSS::AlignItems> align_items() const;
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float opacity() const;
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Optional<CSS::ImageRendering> image_rendering() const;
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Optional<CSS::JustifyContent> justify_content() const;
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Optional<CSS::Overflow> overflow_x() const;
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Optional<CSS::Overflow> overflow_y() const;
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Vector<CSS::BoxShadowData> box_shadow() const;
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CSS::BoxSizing box_sizing() const;
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Optional<CSS::PointerEvents> pointer_events() const;
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Variant<CSS::VerticalAlign, CSS::LengthPercentage> vertical_align() const;
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Vector<CSS::Transformation> transformations() const;
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Gfx::Font const& computed_font() const
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{
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VERIFY(m_font);
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return *m_font;
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}
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void set_computed_font(NonnullRefPtr<Gfx::Font> font)
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{
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m_font = move(font);
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}
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float line_height(const Layout::Node&) const;
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bool operator==(const StyleProperties&) const;
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bool operator!=(const StyleProperties& other) const { return !(*this == other); }
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Optional<CSS::Position> position() const;
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Optional<int> z_index() const;
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static NonnullRefPtr<Gfx::Font> font_fallback(bool monospace, bool bold);
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private:
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friend class StyleComputer;
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Array<RefPtr<StyleValue>, to_underlying(CSS::last_property_id) + 1> m_property_values;
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Optional<CSS::Overflow> overflow(CSS::PropertyID) const;
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mutable RefPtr<Gfx::Font> m_font;
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};
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}
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