/* -*- Mode: C++; tab-width: 2; 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 CreateElementTxn_h__ #define CreateElementTxn_h__ #include "EditTxn.h" #include "nsCOMPtr.h" #include "nsCycleCollectionParticipant.h" #include "nsIDOMNode.h" #include "nsISupportsImpl.h" #include "nsString.h" #include "nscore.h" #include "prtypes.h" class nsEditor; /** * A transaction that creates a new node in the content tree. */ class CreateElementTxn : public EditTxn { public: enum { eAppend=-1 }; /** Initialize the transaction. * @param aEditor the provider of basic editing functionality * @param aTag the tag (P, HR, TABLE, etc.) for the new element * @param aParent the node into which the new element will be inserted * @param aOffsetInParent the location in aParent to insert the new element * if eAppend, the new element is appended as the last child */ NS_IMETHOD Init(nsEditor *aEditor, const nsAString& aTag, nsIDOMNode *aParent, PRUint32 aOffsetInParent); CreateElementTxn(); NS_DECL_ISUPPORTS_INHERITED NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(CreateElementTxn, EditTxn) NS_DECL_EDITTXN NS_IMETHOD RedoTransaction(); NS_IMETHOD GetNewNode(nsIDOMNode **aNewNode); protected: /** the document into which the new node will be inserted */ nsEditor* mEditor; /** the tag (mapping to object type) for the new element */ nsString mTag; /** the node into which the new node will be inserted */ nsCOMPtr mParent; /** the index in mParent for the new node */ PRUint32 mOffsetInParent; /** the new node to insert */ nsCOMPtr mNewNode; /** the node we will insert mNewNode before. We compute this ourselves. */ nsCOMPtr mRefNode; }; #endif