ladybird/Userland/Libraries/LibWeb/HTML/HTMLTemplateElement.cpp
Andreas Kling c0d7f748ed LibWeb: Avoid FlyString lookups when setting IDL interface prototypes
This commit introduces a WEB_SET_PROTOTYPE_FOR_INTERFACE macro that
caches the interface name in a local static FlyString. This means that
we only pay for FlyString-from-literal lookup once per browser lifetime
instead of every time the interface is instantiated.
2024-03-16 16:35:54 +01:00

64 lines
1.9 KiB
C++

/*
* 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 {
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
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?
MUST(template_clone.content()->append_child(cloned_child));
});
}
}