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