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LibWeb: Implement [SameObject] behavior for HTMLTableSectionElement.rows
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sideshowbarker
2024-07-17 06:38:11 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/ad36bc72f4 Pull-request: https://github.com/SerenityOS/serenity/pull/16175 Reviewed-by: https://github.com/ADKaster
@ -22,17 +22,24 @@ HTMLTableSectionElement::HTMLTableSectionElement(DOM::Document& document, DOM::Q
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HTMLTableSectionElement::~HTMLTableSectionElement() = default;
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void HTMLTableSectionElement::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_rows);
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}
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-rows
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JS::NonnullGCPtr<DOM::HTMLCollection> HTMLTableSectionElement::rows() const
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{
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// The rows attribute must return an HTMLCollection rooted at this element,
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// whose filter matches only tr elements that are children of this element.
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// FIXME: This should return the same HTMLCollection object every time,
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// but that would cause a reference cycle since HTMLCollection refs the root.
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return DOM::HTMLCollection::create(const_cast<HTMLTableSectionElement&>(*this), [this](Element const& element) {
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return element.parent() == this
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&& is<HTMLTableRowElement>(element);
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});
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if (!m_rows) {
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m_rows = DOM::HTMLCollection::create(const_cast<HTMLTableSectionElement&>(*this), [this](Element const& element) {
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return element.parent() == this
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&& is<HTMLTableRowElement>(element);
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});
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}
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return *m_rows;
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}
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-insertrow
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@ -23,6 +23,10 @@ public:
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private:
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HTMLTableSectionElement(DOM::Document&, DOM::QualifiedName);
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virtual void visit_edges(Cell::Visitor&) override;
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JS::GCPtr<DOM::HTMLCollection> mutable m_rows;
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};
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}
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