87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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* Copyright (c) 2019-2021, 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/NonnullRefPtrVector.h>
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#include <AK/TypeCasts.h>
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#include <LibWeb/CSS/CSSImportRule.h>
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#include <LibWeb/CSS/CSSRule.h>
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#include <LibWeb/CSS/CSSRuleList.h>
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#include <LibWeb/CSS/StyleSheet.h>
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#include <LibWeb/Loader/Resource.h>
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namespace Web::CSS {
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class CSSStyleSheet final : public StyleSheet {
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public:
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using WrapperType = Bindings::CSSStyleSheetWrapper;
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static NonnullRefPtr<CSSStyleSheet> create(NonnullRefPtrVector<CSSRule> rules)
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{
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return adopt_ref(*new CSSStyleSheet(move(rules)));
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}
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virtual ~CSSStyleSheet() override;
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virtual String type() const override { return "text/css"; }
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CSSRuleList const& rules() const { return m_rules; }
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CSSRuleList& rules() { return m_rules; }
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void set_rules(NonnullRefPtr<CSSRuleList> rules) { m_rules = move(rules); }
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CSSRuleList* css_rules() { return m_rules; }
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CSSRuleList const* css_rules() const { return m_rules; }
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DOM::ExceptionOr<unsigned> insert_rule(StringView rule, unsigned index);
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DOM::ExceptionOr<void> remove_rule(unsigned index);
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DOM::ExceptionOr<void> delete_rule(unsigned index);
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template<typename Callback>
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void for_each_effective_style_rule(Callback callback) const
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{
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for (auto& rule : *m_rules)
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if (rule.type() == CSSRule::Type::Style) {
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callback(verify_cast<CSSStyleRule>(rule));
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} else if (rule.type() == CSSRule::Type::Import) {
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const auto& import_rule = verify_cast<CSSImportRule>(rule);
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if (import_rule.has_import_result())
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import_rule.loaded_style_sheet()->for_each_effective_style_rule(callback);
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}
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}
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template<typename Callback>
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bool for_first_not_loaded_import_rule(Callback callback)
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{
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for (auto& rule : *m_rules)
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if (rule.type() == CSSRule::Type::Import) {
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auto& import_rule = verify_cast<CSSImportRule>(rule);
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if (!import_rule.has_import_result()) {
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callback(import_rule);
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return true;
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}
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if (import_rule.loaded_style_sheet()->for_first_not_loaded_import_rule(callback)) {
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return true;
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}
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}
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return false;
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}
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private:
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explicit CSSStyleSheet(NonnullRefPtrVector<CSSRule>);
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NonnullRefPtr<CSSRuleList> m_rules;
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};
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}
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namespace Web::Bindings {
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CSSStyleSheetWrapper* wrap(JS::GlobalObject&, CSS::CSSStyleSheet&);
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}
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