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/*************************************************************************
 *
 *  File Name (AccessibleTableCell.idl)
 * 
 *  IAccessible2 IDL Specification 
 * 
 *  Copyright (c) 2007, 2013 Linux Foundation 
 *  Copyright (c) 2006 IBM Corporation 
 *  Copyright (c) 2000, 2006 Sun Microsystems, Inc. 
 *  All rights reserved. 
 *   
 *   
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions 
 *  are met: 
 *   
 *   1. Redistributions of source code must retain the above copyright 
 *      notice, this list of conditions and the following disclaimer. 
 *   
 *   2. Redistributions in binary form must reproduce the above 
 *      copyright notice, this list of conditions and the following 
 *      disclaimer in the documentation and/or other materials 
 *      provided with the distribution. 
 *
 *   3. Neither the name of the Linux Foundation nor the names of its 
 *      contributors may be used to endorse or promote products 
 *      derived from this software without specific prior written 
 *      permission. 
 *   
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
 *  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
 *  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
 *  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 *   
 *  This BSD License conforms to the Open Source Initiative "Simplified 
 *  BSD License" as published at: 
 *  http://www.opensource.org/licenses/bsd-license.php 
 *   
 *  IAccessible2 is a trademark of the Linux Foundation. The IAccessible2 
 *  mark may be used in accordance with the Linux Foundation Trademark 
 *  Policy to indicate compliance with the IAccessible2 specification. 
 * 
 ************************************************************************/ 

import "objidl.idl";
import "oaidl.idl";
import "oleacc.idl";
import "Accessible2.idl";

/** @brief This interface gives access to the cells of a two-dimensional table.

 Please also refer to the IAccessibleTable2 interface.

*/
[object, uuid(594116B1-C99F-4847-AD06-0A7A86ECE645)]
interface IAccessibleTableCell : IUnknown
{

  /** @brief Returns the number of columns occupied by this cell accessible.
        
   The result is greater than 1 if the specified cell spans multiple columns.
   @param [out] nColumnsSpanned
    Returns the 1 based column extent of the specified cell.
   @retval S_OK
  */
  [propget] HRESULT columnExtent
    (
     [out, retval] long *nColumnsSpanned 
    );

  /** @brief Returns the column headers as an array of cell accessibles.

   @param [out] cellAccessibles
    Pointer to an array of references to cell accessibles.  The array is allocated
	by the server.  The client must free it with CoTaskMemFree.
   @param [out] nColumnHeaderCells
    The number of accessibles returned; the size of the returned array.
   @retval S_OK
   @retval S_FALSE if there is no header, [out] values are NULL and 0 respectively 
  */
  [propget] HRESULT columnHeaderCells
    (
     [out, size_is(,*nColumnHeaderCells)] IUnknown ***cellAccessibles,
     [out, retval] long *nColumnHeaderCells
    );

  /** @brief Translates this cell accessible into the corresponding column index.

   @param [out] columnIndex
    Returns the 0 based column index of the cell of the specified cell or the index of 
    the first column if the cell spans multiple columns.
   @retval S_OK
  */
  [propget] HRESULT columnIndex
    (
     [out, retval] long *columnIndex
    );

  /** @brief Returns the number of rows occupied by this cell accessible.
        
   @param [out] nRowsSpanned
    Returns the row extent of the specified cell.
   @retval S_OK
  */
  [propget] HRESULT rowExtent
    (
     [out, retval] long *nRowsSpanned
    );

  /** @brief Returns the row headers as an array of cell accessibles.

   @param [out] cellAccessibles
    Pointer to an array of references to cell accessibles.  The array is allocated
	by the server.  The client must free it with CoTaskMemFree.
   @param [out] nRowHeaderCells
    The number of accessibles returned; the size of the returned array.
   @retval S_OK
   @retval S_FALSE if there is no header, [out] values are NULL and 0 respectively 
  */
  [propget] HRESULT rowHeaderCells
    (
     [out, size_is(,*nRowHeaderCells)] IUnknown ***cellAccessibles,
     [out, retval] long *nRowHeaderCells
    );

  /** @brief Translates this cell accessible into the corresponding row index.

   @param [out] rowIndex
    Returns the 0 based row index of the specified cell or the index of 
    the first row if the cell spans multiple rows.
   @retval S_OK
  */
  [propget] HRESULT rowIndex
    (
     [out, retval] long *rowIndex 
    );

  /** @brief Returns a boolean value indicating whether this cell is selected.

   @param [out] isSelected
    Returns TRUE if the specified cell is selected and FALSE otherwise.
   @retval S_OK
  */
  [propget] HRESULT isSelected
    (
     [out, retval] boolean *isSelected 
    );
  
  /** @brief Gets the row and column indexes and extents of this cell accessible
    and whether or not it is selected.

   This is a convenience function.  It is not mandatory to implement it.
   @param [out] row
    0 based row index.
   @param [out] column
    0 based column index.
   @param [out] rowExtents
    Number of cells spanned by this cell in this row.
   @param [out] columnExtents
    Number of cells spanned by this cell in this column.
   @param [out] isSelected
    Indicates if the specified cell is selected.
   @retval S_OK
  */
  [propget] HRESULT rowColumnExtents
    (
     [out] long *row,  
     [out] long *column,
     [out] long *rowExtents,
     [out] long *columnExtents,
     [out, retval] boolean *isSelected
    );

  /** @brief Returns a reference to the accessbile of the containing table.

   @param [out] table
    Returns a reference to the IUnknown of the containing table.
   @retval S_OK
  */
  [propget] HRESULT table
    (
     [out, retval] IUnknown **table
    );

}