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8cae20af1b
With this change we maintain a data structure that maps ids to corresponding elements. This allows us to avoid tree traversal in getElementById() in all cases except ones when lookup happens for unconnected elements.
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.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 <LibWeb/DOM/Element.h>
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#include <LibWeb/DOM/ParentNode.h>
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namespace Web::DOM {
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class DocumentFragment
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: public ParentNode {
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WEB_PLATFORM_OBJECT(DocumentFragment, ParentNode);
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GC_DECLARE_ALLOCATOR(DocumentFragment);
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public:
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static WebIDL::ExceptionOr<GC::Ref<DocumentFragment>> construct_impl(JS::Realm& realm);
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virtual ~DocumentFragment() override = default;
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virtual FlyString node_name() const override { return "#document-fragment"_fly_string; }
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Element* host() { return m_host.ptr(); }
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Element const* host() const { return m_host.ptr(); }
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void set_host(Element*);
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protected:
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explicit DocumentFragment(Document& document);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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// https://dom.spec.whatwg.org/#concept-documentfragment-host
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GC::Ptr<Element> m_host;
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};
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template<>
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inline bool Node::fast_is<DocumentFragment>() const { return is_document_fragment(); }
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}
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