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b75b7f0c0d
Callers that are already in a fallible context will now TRY to allocate cells. Callers in infallible contexts get a FIXME.
63 lines
2 KiB
C++
63 lines
2 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/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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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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JS::ThrowCompletionOr<void> HTMLTemplateElement::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::HTMLTemplateElementPrototype>(realm, "HTMLTemplateElement"));
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m_content = MUST_OR_THROW_OOM(heap().allocate<DOM::DocumentFragment>(realm, m_document->appropriate_template_contents_owner_document()));
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m_content->set_host(this);
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return {};
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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.ptr());
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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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void HTMLTemplateElement::cloned(Node& copy, bool clone_children)
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{
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if (!clone_children)
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return;
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auto& template_clone = verify_cast<HTMLTemplateElement>(copy);
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content()->for_each_child([&](auto& child) {
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auto cloned_child = child.clone_node(&template_clone.content()->document(), true);
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// FIXME: Should this use TreeNode::append_child instead?
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MUST(template_clone.content()->append_child(cloned_child));
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});
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}
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}
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