michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * vim: sw=2 ts=2 et :
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_DocumentFragment_h__
michael@0: #define mozilla_dom_DocumentFragment_h__
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/dom/FragmentOrElement.h"
michael@0: #include "nsIDOMDocumentFragment.h"
michael@0: 
michael@0: class nsINodeInfo;
michael@0: class nsIAtom;
michael@0: class nsAString;
michael@0: class nsIDocument;
michael@0: class nsIContent;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class Element;
michael@0: 
michael@0: class DocumentFragment : public FragmentOrElement,
michael@0:                          public nsIDOMDocumentFragment
michael@0: {
michael@0: private:
michael@0:   void Init()
michael@0:   {
michael@0:     NS_ABORT_IF_FALSE(mNodeInfo->NodeType() ==
michael@0:                       nsIDOMNode::DOCUMENT_FRAGMENT_NODE &&
michael@0:                       mNodeInfo->Equals(nsGkAtoms::documentFragmentNodeName,
michael@0:                                         kNameSpaceID_None),
michael@0:                       "Bad NodeType in aNodeInfo");
michael@0:   }
michael@0: 
michael@0: public:
michael@0:   using FragmentOrElement::GetFirstChild;
michael@0:   using nsINode::QuerySelector;
michael@0:   using nsINode::QuerySelectorAll;
michael@0:   // Make sure bindings can see our superclass' protected GetElementById method.
michael@0:   using nsINode::GetElementById;
michael@0: 
michael@0:   // nsISupports
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // interface nsIDOMNode
michael@0:   NS_FORWARD_NSIDOMNODE_TO_NSINODE
michael@0: 
michael@0:   // interface nsIDOMDocumentFragment
michael@0:   NS_DECL_NSIDOMDOCUMENTFRAGMENT
michael@0: 
michael@0:   DocumentFragment(already_AddRefed<nsINodeInfo>& aNodeInfo)
michael@0:     : FragmentOrElement(aNodeInfo), mHost(nullptr)
michael@0:   {
michael@0:     Init();
michael@0:   }
michael@0: 
michael@0:   DocumentFragment(nsNodeInfoManager* aNodeInfoManager)
michael@0:     : FragmentOrElement(aNodeInfoManager->GetNodeInfo(
michael@0:                                             nsGkAtoms::documentFragmentNodeName,
michael@0:                                             nullptr, kNameSpaceID_None,
michael@0:                                             nsIDOMNode::DOCUMENT_FRAGMENT_NODE)),
michael@0:       mHost(nullptr)
michael@0:   {
michael@0:     Init();
michael@0:   }
michael@0: 
michael@0:   virtual ~DocumentFragment()
michael@0:   {
michael@0:   }
michael@0: 
michael@0:   virtual JSObject* WrapNode(JSContext *aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   // nsIContent
michael@0:   nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
michael@0:                    const nsAString& aValue, bool aNotify)
michael@0:   {
michael@0:     return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
michael@0:   }
michael@0:   virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
michael@0:                            nsIAtom* aPrefix, const nsAString& aValue,
michael@0:                            bool aNotify) MOZ_OVERRIDE
michael@0:   {
michael@0:     return NS_OK;
michael@0:   }
michael@0:   virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute, 
michael@0:                              bool aNotify) MOZ_OVERRIDE
michael@0:   {
michael@0:     return NS_OK;
michael@0:   }
michael@0:   virtual const nsAttrName* GetAttrNameAt(uint32_t aIndex) const MOZ_OVERRIDE
michael@0:   {
michael@0:     return nullptr;
michael@0:   }
michael@0:   virtual uint32_t GetAttrCount() const MOZ_OVERRIDE
michael@0:   {
michael@0:     return 0;
michael@0:   }
michael@0: 
michael@0:   virtual bool IsNodeOfType(uint32_t aFlags) const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsIDOMNode* AsDOMNode() MOZ_OVERRIDE { return this; }
michael@0: 
michael@0:   virtual nsIAtom* DoGetID() const MOZ_OVERRIDE;
michael@0:   virtual nsIAtom *GetIDAttributeName() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
michael@0:                               nsIContent* aBindingParent,
michael@0:                               bool aCompileEventHandlers) MOZ_OVERRIDE
michael@0:   {
michael@0:     NS_ASSERTION(false, "Trying to bind a fragment to a tree");
michael@0:     return NS_ERROR_NOT_IMPLEMENTED;
michael@0:   }
michael@0: 
michael@0:   virtual void UnbindFromTree(bool aDeep, bool aNullParent) MOZ_OVERRIDE
michael@0:   {
michael@0:     NS_ASSERTION(false, "Trying to unbind a fragment from a tree");
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   virtual Element* GetNameSpaceElement()
michael@0:   {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   nsIContent* GetHost() const
michael@0:   {
michael@0:     return mHost;
michael@0:   }
michael@0: 
michael@0:   void SetHost(nsIContent* aHost)
michael@0:   {
michael@0:     mHost = aHost;
michael@0:   }
michael@0: 
michael@0:   static already_AddRefed<DocumentFragment>
michael@0:   Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
michael@0: 
michael@0: #ifdef DEBUG
michael@0:   virtual void List(FILE* out, int32_t aIndent) const MOZ_OVERRIDE;
michael@0:   virtual void DumpContent(FILE* out, int32_t aIndent, bool aDumpAll) const MOZ_OVERRIDE;
michael@0: #endif
michael@0: 
michael@0: protected:
michael@0:   nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const MOZ_OVERRIDE;
michael@0:   nsIContent* mHost; // Weak
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: 
michael@0: #endif // mozilla_dom_DocumentFragment_h__