6e6607a92f
The spec is a little bizarre here. One caller of this (`CSSStyleSheet::insert_rule()`) wants to give it a parsed CSSRule, but the spec itself wants it to take a string. (As will be used by `CSSGroupingRule::insert_rule()`) Using a Variant isn't pretty but it's the best solution I've come to - having two overloads was worse, whether one called the other or they just duplicated the logic. This seems the least bad.
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/*
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* Copyright (c) 2021-2022, Sam Atkins <atkinssj@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/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <LibWeb/CSS/CSSRule.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/Forward.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
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: public RefCounted<CSSRuleList>
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, public Bindings::Wrappable {
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public:
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using WrapperType = Bindings::CSSRuleListWrapper;
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static NonnullRefPtr<CSSRuleList> create(NonnullRefPtrVector<CSSRule>&& rules)
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{
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return adopt_ref(*new CSSRuleList(move(rules)));
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}
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~CSSRuleList() = default;
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RefPtr<CSSRule> 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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size_t length() const { return m_rules.size(); }
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using ConstIterator = AK::SimpleIterator<AK::NonnullPtrVector<NonnullRefPtr<CSSRule>> const, CSSRule const>;
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using Iterator = AK::SimpleIterator<AK::NonnullPtrVector<NonnullRefPtr<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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bool is_supported_property_index(u32 index) const;
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DOM::ExceptionOr<void> remove_a_css_rule(u32 index);
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DOM::ExceptionOr<unsigned> insert_a_css_rule(Variant<StringView, NonnullRefPtr<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(NonnullRefPtrVector<CSSRule>&&);
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NonnullRefPtrVector<CSSRule> m_rules;
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};
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}
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