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	These classes only needed Window to get at its realm. Pass a realm directly to construct CSS classes.
		
			
				
	
	
		
			74 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			74 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(JS::Realm&, JS::MarkedVector<CSSRule*> const&);
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    static CSSRuleList* create_empty(JS::Realm&);
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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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    explicit CSSRuleList(JS::Realm&);
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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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