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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/HTMLTemplateElement.h>
namespace Web::HTML {
HTMLTemplateElement::HTMLTemplateElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
{
set_prototype(&window().cached_web_prototype("HTMLTemplateElement"));
m_content = heap().allocate<DOM::DocumentFragment>(realm(), appropriate_template_contents_owner_document(document));
m_content->set_host(this);
}
HTMLTemplateElement::~HTMLTemplateElement() = default;
void HTMLTemplateElement::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_content.ptr());
}
DOM::Document& HTMLTemplateElement::appropriate_template_contents_owner_document(DOM::Document& document)
{
if (!document.created_for_appropriate_template_contents()) {
if (!document.associated_inert_template_document()) {
auto new_document = DOM::Document::create(Bindings::main_thread_internal_window_object());
new_document->set_created_for_appropriate_template_contents(true);
new_document->set_document_type(document.document_type());
document.set_associated_inert_template_document(new_document);
}
return *document.associated_inert_template_document();
}
return document;
}
// https://html.spec.whatwg.org/multipage/scripting.html#the-template-element:concept-node-adopt-ext
void HTMLTemplateElement::adopted_from(DOM::Document&)
{
// NOTE: It seems the spec has been changed since appropriate_template_contents_owner_document was written above.
// That function is now part of document, which ends up returning associated_inert_template_document in the new version anyway.
appropriate_template_contents_owner_document(document()).adopt_node(content());
}
// https://html.spec.whatwg.org/multipage/scripting.html#the-template-element:concept-node-clone-ext
void HTMLTemplateElement::cloned(Node& copy, bool clone_children)
{
if (!clone_children)
return;
auto& template_clone = verify_cast<HTMLTemplateElement>(copy);
content()->for_each_child([&](auto& child) {
auto cloned_child = child.clone_node(&template_clone.content()->document(), true);
// FIXME: Should this use TreeNode::append_child instead?
template_clone.content()->append_child(cloned_child);
});
}
}
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