accessible/basetypes/TableCellAccessible.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_a11y_TableCellAccessible_h__
   8 #define mozilla_a11y_TableCellAccessible_h__
   9
  10 #include "nsTArray.h"
  11 #include <stdint.h>
  12
  13 namespace mozilla {
  14 namespace a11y {
  15
  16 class Accessible;
  17 class TableAccessible;
  18
  19 /**
  20  * Abstract interface implemented by table cell accessibles.
  21  */
  22 class TableCellAccessible {
  23  public:
  24   /**
  25    * Return the table this cell is in.
  26    */
  27   virtual TableAccessible* Table() const = 0;
  28
  29   /**
  30    * Return the column of the table this cell is in.
  31    */
  32   virtual uint32_t ColIdx() const = 0;
  33
  34   /**
  35    * Return the row of the table this cell is in.
  36    */
  37   virtual uint32_t RowIdx() const = 0;
  38
  39   /**
  40    * Return the column extent of this cell.
  41    */
  42   virtual uint32_t ColExtent() const { return 1; }
  43
  44   /**
  45    * Return the row extent of this cell.
  46    */
  47   virtual uint32_t RowExtent() const { return 1; }
  48
  49   /**
  50    * Return the column header cells for this cell.
  51    */
  52   virtual void ColHeaderCells(nsTArray<Accessible*>* aCells) = 0;
  53
  54   /**
  55    * Return the row header cells for this cell.
  56    */
  57   virtual void RowHeaderCells(nsTArray<Accessible*>* aCells) = 0;
  58
  59   /**
  60    * Returns true if this cell is selected.
  61    */
  62   virtual bool Selected() = 0;
  63 };
  64
  65 }  // namespace a11y
  66 }  // namespace mozilla
  67
  68 #endif  // mozilla_a11y_TableCellAccessible_h__