pjs/editor/libeditor/html/nsEditorTxnLog.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* the Initial Developer. All Rights Reserved.
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* Contributor(s):
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* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsEditorTxnLog_h__
#define nsEditorTxnLog_h__
#include "nsITransaction.h"
#include "nsITransactionManager.h"
#include "nsITransactionListener.h"
class nsHTMLEditorLog;
/** implementation of a transaction listener object.
*
*/
class nsEditorTxnLog : public nsITransactionListener
{
private:
nsHTMLEditorLog *mEditorLog;
PRInt32 mIndentLevel;
PRInt32 mBatchCount;
public:
/** The default constructor.
*/
nsEditorTxnLog(nsHTMLEditorLog *aEditorLog=0);
/** The default destructor.
*/
virtual ~nsEditorTxnLog();
/* Macro for AddRef(), Release(), and QueryInterface() */
NS_DECL_ISUPPORTS
/* nsITransactionListener method implementations. */
NS_IMETHOD WillDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt);
NS_IMETHOD DidDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aDoResult);
NS_IMETHOD WillUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt);
NS_IMETHOD DidUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aUndoResult);
NS_IMETHOD WillRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt);
NS_IMETHOD DidRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aRedoResult);
NS_IMETHOD WillBeginBatch(nsITransactionManager *aTxMgr, PRBool *aInterrupt);
NS_IMETHOD DidBeginBatch(nsITransactionManager *aTxMgr, nsresult aResult);
NS_IMETHOD WillEndBatch(nsITransactionManager *aTxMgr, PRBool *aInterrupt);
NS_IMETHOD DidEndBatch(nsITransactionManager *aTxMgr, nsresult aResult);
NS_IMETHOD WillMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool *aInterrupt);
NS_IMETHOD DidMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool aDidMerge, nsresult aMergeResult);
private:
/* nsEditorTxnLog private methods. */
nsresult PrintIndent(PRInt32 aIndentLevel);
nsresult Write(const char *aBuffer);
nsresult WriteInt(const char *aFormat, PRInt32 aInt);
nsresult WriteTransaction(nsITransaction *aTransaction);
nsresult Flush();
};
#endif // nsEditorTxnLog_h__