/* -*- 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 Communicator client 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 "nsTextContentChangeData.h"

// Create a new instance of nsTextContentChangeData with a refcnt of 1
nsresult
NS_NewTextContentChangeData(nsTextContentChangeData** aResult)
{
  NS_ENSURE_ARG_POINTER(aResult);
  nsTextContentChangeData* it = new nsTextContentChangeData();
  if (!it) {
    return NS_ERROR_OUT_OF_MEMORY;
  }
  NS_ADDREF(it);
  *aResult = it;
  return NS_OK;
}

nsTextContentChangeData::nsTextContentChangeData()
  : mType(Insert),
    mOffset(0),
    mLength(0),
    mReplaceLength(0)
{
  NS_INIT_REFCNT();
}

nsTextContentChangeData::~nsTextContentChangeData()
{
}

NS_IMPL_ISUPPORTS1(nsTextContentChangeData, nsITextContentChangeData);


NS_IMETHODIMP
nsTextContentChangeData::GetChangeType(ChangeType* aResult)
{
  NS_ENSURE_ARG_POINTER(aResult);
  *aResult = mType;
  return NS_OK;
}

NS_IMETHODIMP
nsTextContentChangeData::GetReplaceData(PRInt32* aOffset,
                                        PRInt32* aSourceLength,
                                        PRInt32* aReplaceLength)
{
  NS_ENSURE_ARG_POINTER(aOffset);
  NS_ENSURE_ARG_POINTER(aSourceLength);
  NS_ENSURE_ARG_POINTER(aReplaceLength);
  *aOffset = mOffset;
  *aSourceLength = mLength;
  *aReplaceLength = mReplaceLength;
  return NS_OK;
}

NS_IMETHODIMP
nsTextContentChangeData::GetInsertData(PRInt32* aOffset,
                                       PRInt32* aInsertLength)
{
  NS_ENSURE_ARG_POINTER(aOffset);
  NS_ENSURE_ARG_POINTER(aInsertLength);
  *aOffset = mOffset;
  *aInsertLength = mLength;
  return NS_OK;
}

NS_IMETHODIMP
nsTextContentChangeData::GetAppendData(PRInt32* aOffset,
                                       PRInt32* aAppendLength)
{
  NS_ENSURE_ARG_POINTER(aOffset);
  NS_ENSURE_ARG_POINTER(aAppendLength);
  *aOffset = mOffset;
  *aAppendLength = mLength;
  return NS_OK;
}