зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
2.3 KiB
C++
88 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
#ifndef EditAggregateTxn_h__
|
|
#define EditAggregateTxn_h__
|
|
|
|
#include "EditTxn.h"
|
|
#include "nsIAtom.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
#define EDIT_AGGREGATE_TXN_IID \
|
|
{/* 345921a0-ac49-11d2-86d8-000064657374 */ \
|
|
0x345921a0, 0xac49, 0x11d2, \
|
|
{0x86, 0xd8, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
|
|
|
|
class nsVoidArray;
|
|
|
|
/**
|
|
* base class for all document editing transactions that require aggregation.
|
|
* provides a list of child transactions.
|
|
*/
|
|
class EditAggregateTxn : public EditTxn
|
|
{
|
|
public:
|
|
|
|
EditAggregateTxn();
|
|
|
|
virtual ~EditAggregateTxn();
|
|
|
|
NS_IMETHOD Do(void);
|
|
|
|
NS_IMETHOD Undo(void);
|
|
|
|
NS_IMETHOD Redo(void);
|
|
|
|
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);
|
|
|
|
/** append a transaction to this aggregate */
|
|
NS_IMETHOD AppendChild(EditTxn *aTxn);
|
|
|
|
/** get the number of nested txns.
|
|
* This is the number of top-level txns, it does not do recursive decent.
|
|
*/
|
|
NS_IMETHOD GetCount(PRInt32 *aCount);
|
|
|
|
/** get the txn at index aIndex.
|
|
* returns NS_ERROR_UNEXPECTED if there is no txn at aIndex.
|
|
*/
|
|
NS_IMETHOD GetTxnAt(PRInt32 aIndex, EditTxn **aTxn);
|
|
|
|
/** set the name assigned to this txn */
|
|
NS_IMETHOD SetName(nsIAtom *aName);
|
|
|
|
/** get the name assigned to this txn */
|
|
NS_IMETHOD GetName(nsIAtom **aName);
|
|
|
|
protected:
|
|
|
|
//XXX: if this was an nsISupportsArray, it would handle refcounting for us
|
|
nsVoidArray * mChildren;
|
|
nsCOMPtr<nsIAtom> mName;
|
|
};
|
|
|
|
#endif
|