mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-11-04 07:10:57 +00:00
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/Bindings/HTMLTemplateElementPrototype.h>
|
|
#include <LibWeb/Bindings/MainThreadVM.h>
|
|
#include <LibWeb/DOM/Document.h>
|
|
#include <LibWeb/HTML/HTMLTemplateElement.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
JS_DEFINE_ALLOCATOR(HTMLTemplateElement);
|
|
|
|
HTMLTemplateElement::HTMLTemplateElement(DOM::Document& document, DOM::QualifiedName qualified_name)
|
|
: HTMLElement(document, move(qualified_name))
|
|
{
|
|
}
|
|
|
|
HTMLTemplateElement::~HTMLTemplateElement() = default;
|
|
|
|
void HTMLTemplateElement::initialize(JS::Realm& realm)
|
|
{
|
|
Base::initialize(realm);
|
|
WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLTemplateElement);
|
|
|
|
m_content = heap().allocate<DOM::DocumentFragment>(realm, m_document->appropriate_template_contents_owner_document());
|
|
m_content->set_host(this);
|
|
}
|
|
|
|
void HTMLTemplateElement::visit_edges(Cell::Visitor& visitor)
|
|
{
|
|
Base::visit_edges(visitor);
|
|
visitor.visit(m_content);
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/scripting.html#the-template-element:concept-node-adopt-ext
|
|
void HTMLTemplateElement::adopted_from(DOM::Document&)
|
|
{
|
|
// 1. Let doc be node's node document's appropriate template contents owner document.
|
|
auto doc = document().appropriate_template_contents_owner_document();
|
|
|
|
// 2. Adopt node's template contents (a DocumentFragment object) into doc.
|
|
doc->adopt_node(content());
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/scripting.html#the-template-element:concept-node-clone-ext
|
|
WebIDL::ExceptionOr<void> HTMLTemplateElement::cloned(Node& copy, bool clone_children)
|
|
{
|
|
// 1. If the clone children flag is not set in the calling clone algorithm, return.
|
|
if (!clone_children)
|
|
return {};
|
|
|
|
// 2. Let copied contents be the result of cloning all the children of node's template contents,
|
|
// with document set to copy's template contents's node document, and with the clone children flag set.
|
|
// 3. Append copied contents to copy's template contents.
|
|
auto& template_clone = verify_cast<HTMLTemplateElement>(copy);
|
|
for (auto child = content()->first_child(); child; child = child->next_sibling()) {
|
|
auto cloned_child = TRY(child->clone_node(&template_clone.content()->document(), true));
|
|
TRY(template_clone.content()->append_child(cloned_child));
|
|
}
|
|
return {};
|
|
}
|
|
|
|
void HTMLTemplateElement::set_template_contents(JS::NonnullGCPtr<DOM::DocumentFragment> contents)
|
|
{
|
|
m_content = contents;
|
|
}
|
|
|
|
}
|