gecko-dev/editor/base/TransactionFactory.cpp

117 lines
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* 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"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "TransactionFactory.h"
// transactions this factory knows how to build
#include "EditAggregateTxn.h"
#include "PlaceholderTxn.h"
#include "InsertTextTxn.h"
#include "DeleteTextTxn.h"
#include "CreateElementTxn.h"
#include "InsertElementTxn.h"
#include "DeleteElementTxn.h"
#include "DeleteRangeTxn.h"
#include "ChangeAttributeTxn.h"
#include "SplitElementTxn.h"
#include "JoinElementTxn.h"
#include "nsStyleSheetTxns.h"
#include "IMETextTxn.h"
#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
#include "SetDocTitleTxn.h"
#endif // MOZILLA_PLAINTEXT_EDITOR_ONLY
TransactionFactory::TransactionFactory()
{
}
TransactionFactory::~TransactionFactory()
{
}
nsresult
TransactionFactory::GetNewTransaction(REFNSIID aTxnType, EditTxn **aResult)
{
nsresult result = NS_OK;
*aResult = nsnull;
if (aTxnType.Equals(InsertTextTxn::GetCID()))
*aResult = new InsertTextTxn();
else if (aTxnType.Equals(DeleteTextTxn::GetCID()))
*aResult = new DeleteTextTxn();
else if (aTxnType.Equals(CreateElementTxn::GetCID()))
*aResult = new CreateElementTxn();
else if (aTxnType.Equals(InsertElementTxn::GetCID()))
*aResult = new InsertElementTxn();
else if (aTxnType.Equals(DeleteElementTxn::GetCID()))
*aResult = new DeleteElementTxn();
else if (aTxnType.Equals(DeleteRangeTxn::GetCID()))
*aResult = new DeleteRangeTxn();
else if (aTxnType.Equals(ChangeAttributeTxn::GetCID()))
*aResult = new ChangeAttributeTxn();
else if (aTxnType.Equals(SplitElementTxn::GetCID()))
*aResult = new SplitElementTxn();
else if (aTxnType.Equals(JoinElementTxn::GetCID()))
*aResult = new JoinElementTxn();
else if (aTxnType.Equals(EditAggregateTxn::GetCID()))
*aResult = new EditAggregateTxn();
else if (aTxnType.Equals(IMETextTxn::GetCID()))
*aResult = new IMETextTxn();
else if (aTxnType.Equals(AddStyleSheetTxn::GetCID()))
*aResult = new AddStyleSheetTxn();
else if (aTxnType.Equals(RemoveStyleSheetTxn::GetCID()))
*aResult = new RemoveStyleSheetTxn();
#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
else if (aTxnType.Equals(SetDocTitleTxn::GetCID()))
*aResult = new SetDocTitleTxn();
#endif // MOZILLA_PLAINTEXT_EDITOR_ONLY
else if (aTxnType.Equals(PlaceholderTxn::GetCID()))
*aResult = new PlaceholderTxn();
else
result = NS_ERROR_NO_INTERFACE;
if (NS_SUCCEEDED(result) && nsnull==*aResult)
result = NS_ERROR_OUT_OF_MEMORY;
if (NS_SUCCEEDED(result))
NS_ADDREF(*aResult);
return result;
}