зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
2.5 KiB
C++
97 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef EditAggregateTxn_h__
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#define EditAggregateTxn_h__
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#include "EditTxn.h"
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#include "nsIAtom.h"
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#include "nsCOMPtr.h"
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#include "nsISupportsArray.h"
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#define EDIT_AGGREGATE_TXN_CID \
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{/* 345921a0-ac49-11d2-86d8-000064657374 */ \
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0x345921a0, 0xac49, 0x11d2, \
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{0x86, 0xd8, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
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/**
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* base class for all document editing transactions that require aggregation.
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* provides a list of child transactions.
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*/
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class EditAggregateTxn : public EditTxn
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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static const nsIID& GetCID() { static nsIID cid = EDIT_AGGREGATE_TXN_CID; return cid; }
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EditAggregateTxn();
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virtual ~EditAggregateTxn();
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NS_IMETHOD Do(void);
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NS_IMETHOD Undo(void);
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NS_IMETHOD Redo(void);
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NS_IMETHOD GetIsTransient(PRBool *aIsTransient);
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NS_IMETHOD Merge(PRBool *aDidMerge, nsITransaction *aTransaction);
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NS_IMETHOD Write(nsIOutputStream *aOutputStream);
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NS_IMETHOD GetUndoString(nsString *aString);
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NS_IMETHOD GetRedoString(nsString *aString);
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/** append a transaction to this aggregate */
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NS_IMETHOD AppendChild(EditTxn *aTxn);
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/** get the number of nested txns.
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* This is the number of top-level txns, it does not do recursive decent.
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*/
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NS_IMETHOD GetCount(PRUint32 *aCount);
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/** get the txn at index aIndex.
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* returns NS_ERROR_UNEXPECTED if there is no txn at aIndex.
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*/
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NS_IMETHOD GetTxnAt(PRInt32 aIndex, EditTxn **aTxn);
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/** set the name assigned to this txn */
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NS_IMETHOD SetName(nsIAtom *aName);
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/** get the name assigned to this txn */
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NS_IMETHOD GetName(nsIAtom **aName);
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enum { kTransactionID = 11210 };
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protected:
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nsCOMPtr<nsISupportsArray> mChildren;
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nsCOMPtr<nsIAtom> mName;
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};
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#endif
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