mirror of
https://github.com/mozilla/gecko-dev.git
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148 lines
3.1 KiB
C++
148 lines
3.1 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code 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
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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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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: mTransactionID(-1)
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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->SetLength(0);
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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->SetLength(0);
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::GetLogDescription(PRUnichar * *aString)
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{
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if (nsnull!=aString)
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*aString = mLogDescription.ToNewUnicode();
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::SetLogDescription(const PRUnichar *aString)
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{
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mLogDescription = (PRUnichar *)aString;
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::GetTransactionDescriptionID(int *aID)
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{
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if (nsnull!=aID)
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*aID = mTransactionID;
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return NS_OK;
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}
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NS_IMETHODIMP EditTxn::SetTransactionDescriptionID(int aID)
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{
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mTransactionID = aID;
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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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nsITransaction *tmp = this;
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nsISupports *tmp2 = tmp;
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*aInstancePtr = (void*)(nsISupports*)tmp2;
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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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if (aIID.Equals(NS_GET_IID(nsITransactionDescription))) {
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*aInstancePtr = (void*)(nsITransactionDescription*)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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