ad04d7ac9b
This is a concept fully defined in the Web IDL spec and doesn't belong in the DOM directory/namespace - not even DOMException, despite the name :^)
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2022, 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/Function.h>
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#include <AK/Iterator.h>
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/RefPtr.h>
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#include <LibWeb/Bindings/LegacyPlatformObject.h>
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#include <LibWeb/CSS/CSSRule.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::CSS {
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// https://www.w3.org/TR/cssom/#the-cssrulelist-interface
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class CSSRuleList : public Bindings::LegacyPlatformObject {
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WEB_PLATFORM_OBJECT(CSSRuleList, Bindings::LegacyPlatformObject);
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public:
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static CSSRuleList* create(HTML::Window&, JS::MarkedVector<CSSRule*> const&);
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static CSSRuleList* create_empty(HTML::Window&);
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explicit CSSRuleList(HTML::Window&);
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~CSSRuleList() = default;
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CSSRule const* item(size_t index) const
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{
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if (index >= length())
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return nullptr;
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return &m_rules[index];
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}
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CSSRule* item(size_t index)
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{
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if (index >= length())
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return nullptr;
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return &m_rules[index];
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}
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size_t length() const { return m_rules.size(); }
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using ConstIterator = AK::SimpleIterator<Vector<CSSRule&> const, CSSRule const>;
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using Iterator = AK::SimpleIterator<Vector<CSSRule&>, CSSRule>;
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ConstIterator const begin() const { return m_rules.begin(); }
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Iterator begin() { return m_rules.begin(); }
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ConstIterator const end() const { return m_rules.end(); }
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Iterator end() { return m_rules.end(); }
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virtual bool is_supported_property_index(u32 index) const override;
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virtual JS::Value item_value(size_t index) const override;
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WebIDL::ExceptionOr<void> remove_a_css_rule(u32 index);
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WebIDL::ExceptionOr<unsigned> insert_a_css_rule(Variant<StringView, CSSRule*>, u32 index);
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void for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const;
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// Returns whether the match state of any media queries changed after evaluation.
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bool evaluate_media_queries(HTML::Window const&);
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private:
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virtual void visit_edges(Cell::Visitor&) override;
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Vector<CSSRule&> m_rules;
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};
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}
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