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I was wrong when I added those notes before about this being impossible, it's *very* possible, for example with the `@page margin` descriptor. However, until we have a large number of these shorthands and not just a single example, we can get away with hard-coding support for it.
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/*
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* Copyright (c) 2025, Sam Atkins <sam@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/CSSStyleDeclaration.h>
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#include <LibWeb/CSS/Descriptor.h>
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#include <LibWeb/CSS/DescriptorID.h>
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namespace Web::CSS {
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// A non-spec base class for descriptor-list classes
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class CSSDescriptors : public CSSStyleDeclaration {
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WEB_PLATFORM_OBJECT(CSSDescriptors, CSSStyleDeclaration);
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public:
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virtual ~CSSDescriptors() override;
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virtual size_t length() const override;
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virtual String item(size_t index) const override;
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virtual WebIDL::ExceptionOr<void> set_property(StringView property, StringView value, StringView priority) override;
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virtual WebIDL::ExceptionOr<String> remove_property(StringView property) override;
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virtual String get_property_value(StringView property) const override;
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virtual StringView get_property_priority(StringView property) const override;
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Vector<Descriptor> const& descriptors() const { return m_descriptors; }
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RefPtr<CSSStyleValue const> descriptor(DescriptorID) const;
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RefPtr<CSSStyleValue const> descriptor_or_initial_value(DescriptorID) const;
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virtual String serialized() const override;
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virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
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protected:
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CSSDescriptors(JS::Realm&, AtRuleID, Vector<Descriptor>);
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private:
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bool set_a_css_declaration(DescriptorID, NonnullRefPtr<CSSStyleValue const>, Important);
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virtual void visit_edges(Visitor&) override;
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AtRuleID m_at_rule_id;
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Vector<Descriptor> m_descriptors;
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};
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bool is_shorthand(AtRuleID, DescriptorID);
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void for_each_expanded_longhand(AtRuleID, DescriptorID, RefPtr<CSSStyleValue const>, Function<void(DescriptorID, RefPtr<CSSStyleValue const>)>);
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}
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