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06313acac0
The spec states that updates to descriptors in a `@font-face` rule
should be reflected in the connected `FontFace`'s attributes.
Previously this was achieved by directly accessing those descriptors
when calling the attribute getters, but this has a couple of issues:
a) The changes are only reflected if we use the accessors (i.e.
`FontFace::family()` rather than `FontFace::m_family`) which isn't
the case everywhere
b) The changes aren't persisted after the `FontFace` is disconnected
from it's `CSSFontFaceRule`
To fix these issues we now reparse and store the `FontFace`'s attributes
whenever the `CSSFontFaceRule`'s descriptors change.
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright (c) 2022-2025, Sam Atkins <sam@ladybird.org>
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.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 <LibWeb/CSS/CSSFontFaceDescriptors.h>
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#include <LibWeb/CSS/CSSRule.h>
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#include <LibWeb/CSS/ParsedFontFace.h>
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namespace Web::CSS {
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class FontFace;
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class CSSFontFaceRule final : public CSSRule {
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WEB_PLATFORM_OBJECT(CSSFontFaceRule, CSSRule);
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GC_DECLARE_ALLOCATOR(CSSFontFaceRule);
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public:
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[[nodiscard]] static GC::Ref<CSSFontFaceRule> create(JS::Realm&, GC::Ref<CSSFontFaceDescriptors>);
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virtual ~CSSFontFaceRule() override = default;
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bool is_valid() const;
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ParsedFontFace font_face() const;
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GC::Ref<CSSStyleDeclaration> style() { return m_style; }
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GC::Ref<CSSFontFaceDescriptors> descriptors() { return m_style; }
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GC::Ref<CSSFontFaceDescriptors const> descriptors() const { return m_style; }
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GC::Ptr<FontFace> css_connected_font_face() const { return m_css_connected_font_face; }
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void set_css_connected_font_face(GC::Ptr<FontFace> font_face) { m_css_connected_font_face = font_face; }
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void handle_descriptor_change(FlyString const& property);
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void disconnect_font_face();
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private:
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CSSFontFaceRule(JS::Realm&, GC::Ref<CSSFontFaceDescriptors>);
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virtual void initialize(JS::Realm&) override;
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virtual String serialized() const override;
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virtual void visit_edges(Visitor&) override;
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virtual void dump(StringBuilder&, int indent_levels) const override;
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void handle_src_descriptor_change();
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GC::Ref<CSSFontFaceDescriptors> m_style;
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GC::Ptr<FontFace> m_css_connected_font_face;
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};
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template<>
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inline bool CSSRule::fast_is<CSSFontFaceRule>() const { return type() == CSSRule::Type::FontFace; }
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}
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