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78 lines
2.8 KiB
C++
78 lines
2.8 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://wwwt.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsEditorTxnLog_h__
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#define nsEditorTxnLog_h__
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#include "nsITransaction.h"
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#include "nsITransactionManager.h"
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#include "nsITransactionListener.h"
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class nsHTMLEditorLog;
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/** implementation of a transaction listener object.
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*
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*/
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class nsEditorTxnLog : public nsITransactionListener
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{
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private:
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nsHTMLEditorLog *mEditorLog;
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PRInt32 mIndentLevel;
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PRInt32 mBatchCount;
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public:
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/** The default constructor.
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*/
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nsEditorTxnLog(nsHTMLEditorLog *aEditorLog=0);
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/** The default destructor.
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*/
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virtual ~nsEditorTxnLog();
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/* Macro for AddRef(), Release(), and QueryInterface() */
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NS_DECL_ISUPPORTS
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/* nsITransactionListener method implementations. */
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NS_IMETHOD WillDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction);
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NS_IMETHOD DidDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aDoResult);
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NS_IMETHOD WillUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction);
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NS_IMETHOD DidUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aUndoResult);
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NS_IMETHOD WillRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction);
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NS_IMETHOD DidRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aRedoResult);
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NS_IMETHOD WillBeginBatch(nsITransactionManager *aTxMgr);
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NS_IMETHOD DidBeginBatch(nsITransactionManager *aTxMgr, nsresult aResult);
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NS_IMETHOD WillEndBatch(nsITransactionManager *aTxMgr);
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NS_IMETHOD DidEndBatch(nsITransactionManager *aTxMgr, nsresult aResult);
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NS_IMETHOD WillMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction);
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NS_IMETHOD DidMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool aDidMerge, nsresult aMergeResult);
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private:
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/* nsEditorTxnLog private methods. */
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const char *GetString(nsITransaction *aTransaction, char *aBuffer, PRInt32 aBufLength);
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nsresult PrintIndent(PRInt32 aIndentLevel);
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nsresult Write(const char *aBuffer);
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nsresult WriteInt(const char *aFormat, PRInt32 aInt);
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nsresult Flush();
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};
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#endif // nsEditorTxnLog_h__
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