accessible/generic/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 {
  24 public:
  25
  26   /**
  27    * Return the table this cell is in.
  28    */
  29   virtual TableAccessible* Table() const = 0;
  30
  31   /**
  32    * Return the column of the table this cell is in.
  33    */
  34   virtual uint32_t ColIdx() const = 0;
  35
  36   /**
  37    * Return the row of the table this cell is in.
  38    */
  39   virtual uint32_t RowIdx() const = 0;
  40
  41   /**
  42    * Return the column extent of this cell.
  43    */
  44   virtual uint32_t ColExtent() const { return 1; }
  45
  46   /**
  47    * Return the row extent of this cell.
  48    */
  49   virtual uint32_t RowExtent() const { return 1; }
  50
  51   /**
  52    * Return the column header cells for this cell.
  53    */
  54   virtual void ColHeaderCells(nsTArray<Accessible*>* aCells);
  55
  56   /**
  57    * Return the row header cells for this cell.
  58    */
  59   virtual void RowHeaderCells(nsTArray<Accessible*>* aCells);
  60
  61   /**
  62    * Returns true if this cell is selected.
  63    */
  64   virtual bool Selected() = 0;
  65 };
  66
  67 } // namespace a11y
  68 } // namespace mozilla
  69
  70 #endif // mozilla_a11y_TableCellAccessible_h__