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75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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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/HTMLTemplateElementPrototype.h>
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/HTML/HTMLTemplateElement.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLTemplateElement);
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HTMLTemplateElement::HTMLTemplateElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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HTMLTemplateElement::~HTMLTemplateElement() = default;
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void HTMLTemplateElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLTemplateElement);
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m_content = realm.create<DOM::DocumentFragment>(m_document->appropriate_template_contents_owner_document());
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m_content->set_host(this);
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}
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void HTMLTemplateElement::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_content);
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}
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// https://html.spec.whatwg.org/multipage/scripting.html#the-template-element:concept-node-adopt-ext
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void HTMLTemplateElement::adopted_from(DOM::Document&)
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{
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// 1. Let doc be node's node document's appropriate template contents owner document.
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auto doc = document().appropriate_template_contents_owner_document();
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// 2. Adopt node's template contents (a DocumentFragment object) into doc.
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doc->adopt_node(content());
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}
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// https://html.spec.whatwg.org/multipage/scripting.html#the-template-element:concept-node-clone-ext
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WebIDL::ExceptionOr<void> HTMLTemplateElement::cloned(Node& copy, bool subtree) const
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{
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TRY(Base::cloned(copy, subtree));
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// The cloning steps for template elements given node, copy, and subtree are:
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// 1. If subtree is false, then return.
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if (!subtree)
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return {};
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// 2. For each child of node's template contents's children, in tree order:
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// clone a node given child with document set to copy's template contents's node document,
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// subtree set to true, and parent set to copy's template contents.
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auto& template_copy = verify_cast<HTMLTemplateElement>(copy);
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for (auto child = content()->first_child(); child; child = child->next_sibling()) {
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TRY(child->clone_node(&template_copy.content()->document(), true, template_copy.content()));
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}
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return {};
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}
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void HTMLTemplateElement::set_template_contents(GC::Ref<DOM::DocumentFragment> contents)
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{
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m_content = contents;
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}
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}
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