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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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://www.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, 1999 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsMsgTxn_h__
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#define nsMsgTxn_h__
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#include "nsITransaction.h"
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#include "msgCore.h"
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#define NS_MESSAGETRANSACTION_IID \
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{ /* da621b30-1efc-11d3-abe4-00805f8ac968 */ \
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0xda621b30, 0x1efc, 0x11d3, \
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{ 0xab, 0xe4, 0x00, 0x80, 0x5f, 0x8a, 0xc9, 0x68 } }
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/**
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* base class for all message undo/redo transactions.
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*/
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class NS_MSG_BASE nsMsgTxn : public nsITransaction
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{
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NS_DECL_ISUPPORTS
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nsMsgTxn();
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virtual ~nsMsgTxn();
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NS_IMETHOD Do(void);
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NS_IMETHOD Undo(void) = 0;
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NS_IMETHOD Redo(void) = 0;
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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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};
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#endif
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