gecko-dev/dom/html/HTMLTemplateElement.cpp

66 строки
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/HTMLTemplateElement.h"
#include "mozilla/dom/HTMLTemplateElementBinding.h"
#include "mozilla/dom/Document.h"
#include "mozilla/MappedDeclarations.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsAtom.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Template)
namespace mozilla::dom {
HTMLTemplateElement::HTMLTemplateElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {
SetHasWeirdParserInsertionMode();
Document* contentsOwner = OwnerDoc()->GetTemplateContentsOwner();
if (!contentsOwner) {
MOZ_CRASH("There should always be a template contents owner.");
}
mContent = contentsOwner->CreateDocumentFragment();
mContent->SetHost(this);
}
HTMLTemplateElement::~HTMLTemplateElement() {
if (mContent) {
mContent->SetHost(nullptr);
}
}
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(HTMLTemplateElement,
nsGenericHTMLElement)
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLTemplateElement)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLTemplateElement,
nsGenericHTMLElement)
if (tmp->mContent) {
tmp->mContent->SetHost(nullptr);
tmp->mContent = nullptr;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLTemplateElement,
nsGenericHTMLElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mContent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_ELEMENT_CLONE(HTMLTemplateElement)
JSObject* HTMLTemplateElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLTemplateElement_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace mozilla::dom