gecko-dev/dom/base/GeneratedImageContent.cpp

53 строки
1.7 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/GeneratedImageContent.h"
#include "nsContentCreatorFunctions.h"
#include "nsGkAtoms.h"
#include "nsIDocument.h"
#include "nsNodeInfoManager.h"
#include "mozilla/dom/HTMLElementBinding.h"
#include "mozilla/dom/NameSpaceConstants.h"
namespace mozilla {
namespace dom {
NS_IMPL_ELEMENT_CLONE(GeneratedImageContent);
already_AddRefed<GeneratedImageContent>
GeneratedImageContent::Create(nsIDocument& aDocument, uint32_t aContentIndex)
{
RefPtr<dom::NodeInfo> nodeInfo =
aDocument.NodeInfoManager()->
GetNodeInfo(nsGkAtoms::mozgeneratedcontentimage,
nullptr,
kNameSpaceID_XHTML,
nsINode::ELEMENT_NODE);
// Work around not being able to bind a non-const lvalue reference
// to an rvalue of non-reference type by just creating an rvalue
// reference. And we can't change the constructor signature,
// because then the macro-generated Clone() method fails to compile.
already_AddRefed<dom::NodeInfo>&& rvalue = nodeInfo.forget();
auto image =
MakeRefPtr<GeneratedImageContent>(rvalue);
image->mIndex = aContentIndex;
return image.forget();
}
JSObject*
GeneratedImageContent::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto)
{
return dom::HTMLElement_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla