ffad902c07
Unlike ensure_web_prototype<T>(), the cached version doesn't require the prototype type to be fully formed, so we can use it without including the FooPrototype.h header. It's also a bit less verbose. :^)
71 lines
2.5 KiB
C++
71 lines
2.5 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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set_prototype(&window().cached_web_prototype("HTMLTemplateElement"));
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m_content = heap().allocate<DOM::DocumentFragment>(realm(), appropriate_template_contents_owner_document(document));
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m_content->set_host(this);
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}
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HTMLTemplateElement::~HTMLTemplateElement() = default;
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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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DOM::Document& HTMLTemplateElement::appropriate_template_contents_owner_document(DOM::Document& document)
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{
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if (!document.created_for_appropriate_template_contents()) {
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if (!document.associated_inert_template_document()) {
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auto new_document = DOM::Document::create(Bindings::main_thread_internal_window_object());
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new_document->set_created_for_appropriate_template_contents(true);
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new_document->set_document_type(document.document_type());
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document.set_associated_inert_template_document(new_document);
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}
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return *document.associated_inert_template_document();
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}
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return document;
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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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// NOTE: It seems the spec has been changed since appropriate_template_contents_owner_document was written above.
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// That function is now part of document, which ends up returning associated_inert_template_document in the new version anyway.
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appropriate_template_contents_owner_document(document()).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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template_clone.content()->append_child(cloned_child);
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});
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}
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}
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