accessible/xpcom/xpcAccessibleTableCell.cpp

   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 #include "xpcAccessibleTableCell.h"
   8
   9 #include "Accessible.h"
  10 #include "nsIAccessibleTable.h"
  11 #include "TableAccessible.h"
  12 #include "TableCellAccessible.h"
  13
  14 #include "nsComponentManagerUtils.h"
  15 #include "nsIMutableArray.h"
  16 #include "xpcAccessibleDocument.h"
  17
  18 using namespace mozilla;
  19 using namespace mozilla::a11y;
  20
  21 ////////////////////////////////////////////////////////////////////////////////
  22 // nsISupports
  23
  24 NS_IMPL_ISUPPORTS_INHERITED(xpcAccessibleTableCell, xpcAccessibleHyperText,
  25                             nsIAccessibleTableCell)
  26
  27 ////////////////////////////////////////////////////////////////////////////////
  28 // nsIAccessibleTableCell
  29
  30 NS_IMETHODIMP
  31 xpcAccessibleTableCell::GetTable(nsIAccessibleTable** aTable) {
  32   NS_ENSURE_ARG_POINTER(aTable);
  33   *aTable = nullptr;
  34
  35   if (!Intl()) return NS_ERROR_FAILURE;
  36
  37   TableAccessible* table = Intl()->Table();
  38   if (!table) return NS_ERROR_FAILURE;
  39
  40   nsCOMPtr<nsIAccessibleTable> xpcTable = do_QueryInterface(
  41       static_cast<nsIAccessible*>(ToXPC(table->AsAccessible())));
  42   xpcTable.forget(aTable);
  43   return NS_OK;
  44 }
  45
  46 NS_IMETHODIMP
  47 xpcAccessibleTableCell::GetColumnIndex(int32_t* aColIdx) {
  48   NS_ENSURE_ARG_POINTER(aColIdx);
  49   *aColIdx = -1;
  50
  51   if (!Intl()) return NS_ERROR_FAILURE;
  52
  53   *aColIdx = Intl()->ColIdx();
  54   return NS_OK;
  55 }
  56
  57 NS_IMETHODIMP
  58 xpcAccessibleTableCell::GetRowIndex(int32_t* aRowIdx) {
  59   NS_ENSURE_ARG_POINTER(aRowIdx);
  60   *aRowIdx = -1;
  61
  62   if (!Intl()) return NS_ERROR_FAILURE;
  63
  64   *aRowIdx = Intl()->RowIdx();
  65   return NS_OK;
  66 }
  67
  68 NS_IMETHODIMP
  69 xpcAccessibleTableCell::GetColumnExtent(int32_t* aExtent) {
  70   NS_ENSURE_ARG_POINTER(aExtent);
  71   *aExtent = -1;
  72
  73   if (!Intl()) return NS_ERROR_FAILURE;
  74
  75   *aExtent = Intl()->ColExtent();
  76   return NS_OK;
  77 }
  78
  79 NS_IMETHODIMP
  80 xpcAccessibleTableCell::GetRowExtent(int32_t* aExtent) {
  81   NS_ENSURE_ARG_POINTER(aExtent);
  82   *aExtent = -1;
  83
  84   if (!Intl()) return NS_ERROR_FAILURE;
  85
  86   *aExtent = Intl()->RowExtent();
  87   return NS_OK;
  88 }
  89
  90 NS_IMETHODIMP
  91 xpcAccessibleTableCell::GetColumnHeaderCells(nsIArray** aHeaderCells) {
  92   NS_ENSURE_ARG_POINTER(aHeaderCells);
  93   *aHeaderCells = nullptr;
  94
  95   if (!Intl()) return NS_ERROR_FAILURE;
  96
  97   AutoTArray<Accessible*, 10> headerCells;
  98   Intl()->ColHeaderCells(&headerCells);
  99
 100   nsCOMPtr<nsIMutableArray> cells = do_CreateInstance(NS_ARRAY_CONTRACTID);
 101   NS_ENSURE_TRUE(cells, NS_ERROR_FAILURE);
 102
 103   for (uint32_t idx = 0; idx < headerCells.Length(); idx++) {
 104     cells->AppendElement(static_cast<nsIAccessible*>(ToXPC(headerCells[idx])));
 105   }
 106
 107   NS_ADDREF(*aHeaderCells = cells);
 108   return NS_OK;
 109 }
 110
 111 NS_IMETHODIMP
 112 xpcAccessibleTableCell::GetRowHeaderCells(nsIArray** aHeaderCells) {
 113   NS_ENSURE_ARG_POINTER(aHeaderCells);
 114   *aHeaderCells = nullptr;
 115
 116   if (!Intl()) return NS_ERROR_FAILURE;
 117
 118   AutoTArray<Accessible*, 10> headerCells;
 119   Intl()->RowHeaderCells(&headerCells);
 120
 121   nsCOMPtr<nsIMutableArray> cells = do_CreateInstance(NS_ARRAY_CONTRACTID);
 122   NS_ENSURE_TRUE(cells, NS_ERROR_FAILURE);
 123
 124   for (uint32_t idx = 0; idx < headerCells.Length(); idx++) {
 125     cells->AppendElement(static_cast<nsIAccessible*>(ToXPC(headerCells[idx])));
 126   }
 127
 128   NS_ADDREF(*aHeaderCells = cells);
 129   return NS_OK;
 130 }
 131
 132 NS_IMETHODIMP
 133 xpcAccessibleTableCell::IsSelected(bool* aSelected) {
 134   NS_ENSURE_ARG_POINTER(aSelected);
 135   *aSelected = false;
 136
 137   if (!Intl()) return NS_ERROR_FAILURE;
 138
 139   *aSelected = Intl()->Selected();
 140   return NS_OK;
 141 }