8c39fee34d
The previous code assumed all font sizes were in px, but now we perform the conversion. There is an existing bug with em sizes returning 0, which seems to affect other places too - see `NodeWithStyle::apply_style()`. This also implements 'larger', 'smaller' and calc() font-sizes.
92 lines
3.2 KiB
C++
92 lines
3.2 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();
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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 (auto& it : m_property_values)
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callback((CSS::PropertyID)it.key, *it.value);
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}
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void set_property(CSS::PropertyID, NonnullRefPtr<StyleValue> value);
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void set_property(CSS::PropertyID, const StringView&);
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Optional<NonnullRefPtr<StyleValue>> property(CSS::PropertyID) const;
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Length length_or_fallback(CSS::PropertyID, const Length& fallback) 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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String string_or_fallback(CSS::PropertyID, const StringView& fallback) const;
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Color color_or_fallback(CSS::PropertyID, const DOM::Document&, Color fallback) const;
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Optional<CSS::TextAlign> text_align() 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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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::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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Optional<float> flex_grow_factor() const;
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Optional<float> flex_shrink_factor() const;
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Optional<float> opacity() 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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Optional<CSS::Repeat> background_repeat_x() const;
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Optional<CSS::Repeat> background_repeat_y() const;
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Optional<CSS::BoxShadowData> box_shadow() const;
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const Gfx::Font& font(Layout::Node const& node) const
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{
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if (!m_font)
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load_font(node);
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return *m_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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private:
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HashMap<unsigned, NonnullRefPtr<StyleValue>> m_property_values;
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Optional<CSS::Overflow> overflow(CSS::PropertyID) const;
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void load_font(Layout::Node const&) const;
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RefPtr<Gfx::Font> font_fallback(bool monospace, bool bold) const;
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mutable RefPtr<Gfx::Font> m_font;
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};
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}
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