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LibWeb: Make Element::set_shadow_root() disconnect any previous root
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4 changed files with 7 additions and 4 deletions
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@ -29,7 +29,7 @@ public:
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Element* host() { return m_host; }
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Element const* host() const { return m_host; }
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void set_host(Element& host) { m_host = host; }
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void set_host(Element* host) { m_host = host; }
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private:
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// https://dom.spec.whatwg.org/#concept-documentfragment-host
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@ -382,8 +382,11 @@ void Element::set_shadow_root(RefPtr<ShadowRoot> shadow_root)
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{
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if (m_shadow_root == shadow_root)
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return;
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if (m_shadow_root)
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m_shadow_root->set_host(nullptr);
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m_shadow_root = move(shadow_root);
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m_shadow_root->set_host(*this);
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if (m_shadow_root)
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m_shadow_root->set_host(this);
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invalidate_style();
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}
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@ -15,7 +15,7 @@ namespace Web::DOM {
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ShadowRoot::ShadowRoot(Document& document, Element& host)
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: DocumentFragment(document)
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{
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set_host(host);
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set_host(&host);
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}
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// https://dom.spec.whatwg.org/#ref-for-get-the-parent%E2%91%A6
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@ -13,7 +13,7 @@ HTMLTemplateElement::HTMLTemplateElement(DOM::Document& document, DOM::Qualified
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: HTMLElement(document, move(qualified_name))
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{
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m_content = adopt_ref(*new DOM::DocumentFragment(appropriate_template_contents_owner_document(document)));
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m_content->set_host(*this);
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m_content->set_host(this);
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}
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HTMLTemplateElement::~HTMLTemplateElement()
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