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108 lines
2.3 KiB
C++
108 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "EditTxn.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMNodeList.h"
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kITransactionIID, NS_ITRANSACTION_IID);
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NS_IMPL_ADDREF(EditTxn)
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NS_IMPL_RELEASE(EditTxn)
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// note that aEditor is not refcounted
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EditTxn::EditTxn()
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{
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NS_INIT_REFCNT();
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}
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EditTxn::~EditTxn()
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{
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}
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NS_IMETHODIMP EditTxn::Do(void)
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{
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::Undo(void)
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{
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::Redo(void)
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{
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return Do();
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}
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NS_IMETHODIMP EditTxn::GetIsTransient(PRBool *aIsTransient)
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{
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if (nsnull!=aIsTransient)
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*aIsTransient = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::Merge(PRBool *aDidMerge, nsITransaction *aTransaction)
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{
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::Write(nsIOutputStream *aOutputStream)
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{
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::GetUndoString(nsString **aString)
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{
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if (nsnull!=aString)
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*aString=nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::GetRedoString(nsString **aString)
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{
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if (nsnull!=aString)
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*aString=nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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EditTxn::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtr = (void*)(nsISupports*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(kITransactionIID)) {
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*aInstancePtr = (void*)(nsITransaction*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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*aInstancePtr = 0;
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return NS_NOINTERFACE;
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}
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