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LibWeb/CSS: Extract a CSSDescriptors base class

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This holds the boilerplate that's needed by any CSSStyleDeclaration
subclass that holds Descriptors. CSSFontFaceDescriptors now only has to
worry about initialization and its own exposed properties.
This commit is contained in:
Sam Atkins 2025-05-07 17:44:44 +01:00
commit 0925a32558
Notes: github-actions[bot] 2025-05-08 15:22:53 +00:00
6 changed files with 313 additions and 267 deletions
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48
Libraries/LibWeb/CSS/CSSDescriptors.h Normal file
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/*
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/CSSStyleDeclaration.h>
#include <LibWeb/CSS/Descriptor.h>
#include <LibWeb/CSS/DescriptorID.h>
namespace Web::CSS {
// A non-spec base class for descriptor-list classes
class CSSDescriptors : public CSSStyleDeclaration {
WEB_PLATFORM_OBJECT(CSSDescriptors, CSSStyleDeclaration);
public:
virtual ~CSSDescriptors() override;
virtual size_t length() const override;
virtual String item(size_t index) const override;
virtual WebIDL::ExceptionOr<void> set_property(StringView property, StringView value, StringView priority) override;
virtual WebIDL::ExceptionOr<String> remove_property(StringView property) override;
virtual String get_property_value(StringView property) const override;
virtual StringView get_property_priority(StringView property) const override;
Vector<Descriptor> const& descriptors() const { return m_descriptors; }
RefPtr<CSSStyleValue const> descriptor(DescriptorID) const;
RefPtr<CSSStyleValue const> descriptor_or_initial_value(DescriptorID) const;
virtual String serialized() const override;
virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
protected:
CSSDescriptors(JS::Realm&, AtRuleID, Vector<Descriptor>);
private:
bool set_a_css_declaration(DescriptorID, NonnullRefPtr<CSSStyleValue const>, Important);
virtual void visit_edges(Visitor&) override;
AtRuleID m_at_rule_id;
Vector<Descriptor> m_descriptors;
};
}