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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef mozilla_dom_DocumentFragment_h__
#define mozilla_dom_DocumentFragment_h__
#include "mozilla/Attributes.h"
#include "mozilla/dom/BorrowedAttrInfo.h"
#include "mozilla/dom/FragmentOrElement.h"
#include "nsIDOMDocumentFragment.h"
class nsIAtom;
class nsAString;
class nsIDocument;
class nsIContent;
namespace mozilla {
namespace dom {
class Element;
class DocumentFragment : public FragmentOrElement,
public nsIDOMDocumentFragment
{
private:
void Init()
{
MOZ_ASSERT(mNodeInfo->NodeType() == nsIDOMNode::DOCUMENT_FRAGMENT_NODE &&
mNodeInfo->Equals(nsGkAtoms::documentFragmentNodeName,
kNameSpaceID_None),
"Bad NodeType in aNodeInfo");
}
public:
using FragmentOrElement::GetFirstChild;
using nsINode::QuerySelector;
using nsINode::QuerySelectorAll;
// Make sure bindings can see our superclass' protected GetElementById method.
using nsINode::GetElementById;
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DocumentFragment, FragmentOrElement)
// interface nsIDOMNode
NS_FORWARD_NSIDOMNODE_TO_NSINODE
// interface nsIDOMDocumentFragment
NS_DECL_NSIDOMDOCUMENTFRAGMENT
explicit DocumentFragment(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
: FragmentOrElement(aNodeInfo), mHost(nullptr)
{
Init();
}
explicit DocumentFragment(nsNodeInfoManager* aNodeInfoManager)
: FragmentOrElement(aNodeInfoManager->GetNodeInfo(
nsGkAtoms::documentFragmentNodeName,
nullptr, kNameSpaceID_None,
nsIDOMNode::DOCUMENT_FRAGMENT_NODE)),
mHost(nullptr)
{
Init();
}
virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
// nsIContent
nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAString& aValue, bool aNotify)
{
return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
}
virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
nsIAtom* aPrefix, const nsAString& aValue,
bool aNotify) override
{
return NS_OK;
}
virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
bool aNotify) override
{
return NS_OK;
}
virtual const nsAttrName* GetAttrNameAt(uint32_t aIndex) const override
{
return nullptr;
}
virtual BorrowedAttrInfo GetAttrInfoAt(uint32_t aIndex) const override
{
return BorrowedAttrInfo(nullptr, nullptr);
}
virtual uint32_t GetAttrCount() const override
{
return 0;
}
virtual bool IsNodeOfType(uint32_t aFlags) const override;
virtual nsIDOMNode* AsDOMNode() override { return this; }
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers) override
{
NS_ASSERTION(false, "Trying to bind a fragment to a tree");
return NS_ERROR_NOT_IMPLEMENTED;
}
virtual void UnbindFromTree(bool aDeep, bool aNullParent) override
{
NS_ASSERTION(false, "Trying to unbind a fragment from a tree");
return;
}
virtual Element* GetNameSpaceElement() override
{
return nullptr;
}
Element* GetHost() const { return mHost; }
void SetHost(Element* aHost) { mHost = aHost; }
static already_AddRefed<DocumentFragment>
Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
#ifdef DEBUG
virtual void List(FILE* out, int32_t aIndent) const override;
virtual void DumpContent(FILE* out, int32_t aIndent, bool aDumpAll) const override;
#endif
protected:
virtual ~DocumentFragment()
{
}
nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
nsCOMPtr<Element> mHost;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_DocumentFragment_h__
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