gecko-dev/mailnews/base/util/nsMsgTxn.h

62 lines
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998, 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsMsgTxn_h__
#define nsMsgTxn_h__
#include "nsITransaction.h"
#include "msgCore.h"
#define NS_MESSAGETRANSACTION_IID \
{ /* da621b30-1efc-11d3-abe4-00805f8ac968 */ \
0xda621b30, 0x1efc, 0x11d3, \
{ 0xab, 0xe4, 0x00, 0x80, 0x5f, 0x8a, 0xc9, 0x68 } }
/**
* base class for all message undo/redo transactions.
*/
class NS_MSG_BASE nsMsgTxn : public nsITransaction
{
NS_DECL_ISUPPORTS
nsMsgTxn();
virtual ~nsMsgTxn();
NS_IMETHOD Do(void);
NS_IMETHOD Undo(void) = 0;
NS_IMETHOD Redo(void) = 0;
NS_IMETHOD GetIsTransient(PRBool *aIsTransient);
NS_IMETHOD Merge(PRBool *aDidMerge, nsITransaction *aTransaction);
NS_IMETHOD Write(nsIOutputStream *aOutputStream);
NS_IMETHOD GetUndoString(nsString *aString);
NS_IMETHOD GetRedoString(nsString *aString);
};
#endif