/* -*- 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 CellData_h__
#define CellData_h__

class nsTableCellFrame;

/** Data stored by nsCellMap to rationalize rowspan and colspan cells.
  * if mCell is null then mRealCell will be the rowspan/colspan source
  * in addition, if fOverlap is non-null then it will point to the
  * other cell that overlaps this position
  * @see nsCellMap
  * @see nsTableFrame::BuildCellMap
  * @see nsTableFrame::GrowCellMap
  * @see nsTableFrame::BuildCellIntoMap
  * 
  */
class CellData
{
public:
  /** if not null, the cell that this CellData maps.
    * if null, mRealCell points to the CellData that holds the 
	* mapped cell frame.
	*/
  nsTableCellFrame *mCell;
  CellData *mRealCell;
  CellData *mOverlap;

  CellData();

  ~CellData();
};

#endif