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cbb4be3e5e
I didn't want to add another set of boilerplatey tree-walking methods, so here's a general-purpose one. :^) `for_each_effective_rule()` walks the tree of effective style rules, and runs the callback on each one, in either pre- or postorder. The previous `for_each_effective_style/keyframes_rule()` methods of `CSSStyleSheet` are then reimplemented in terms of `for_each_effective_rule()`, and we can get rid of their equivalents elsewhere.
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.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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#include <LibWeb/Bindings/CSSGroupingRulePrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/CSS/CSSGroupingRule.h>
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#include <LibWeb/CSS/CSSRuleList.h>
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#include <LibWeb/HTML/Window.h>
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namespace Web::CSS {
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CSSGroupingRule::CSSGroupingRule(JS::Realm& realm, CSSRuleList& rules)
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: CSSRule(realm)
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, m_rules(rules)
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{
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for (auto& rule : *m_rules)
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rule->set_parent_rule(this);
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}
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void CSSGroupingRule::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSGroupingRule);
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}
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void CSSGroupingRule::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_rules);
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}
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WebIDL::ExceptionOr<u32> CSSGroupingRule::insert_rule(StringView rule, u32 index)
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{
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TRY(m_rules->insert_a_css_rule(rule, index));
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// NOTE: The spec doesn't say where to set the parent rule, so we'll do it here.
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m_rules->item(index)->set_parent_rule(this);
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return index;
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}
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WebIDL::ExceptionOr<void> CSSGroupingRule::delete_rule(u32 index)
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{
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return m_rules->remove_a_css_rule(index);
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}
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void CSSGroupingRule::for_each_effective_rule(TraversalOrder order, Function<void(Web::CSS::CSSRule const&)> const& callback) const
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{
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m_rules->for_each_effective_rule(order, callback);
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}
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void CSSGroupingRule::set_parent_style_sheet(CSSStyleSheet* parent_style_sheet)
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{
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CSSRule::set_parent_style_sheet(parent_style_sheet);
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for (auto& rule : *m_rules)
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rule->set_parent_style_sheet(parent_style_sheet);
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}
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}
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