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comparison: accessible/src/windows/ia2/ia2AccessibleTableCell.cpp
accessible/src/windows/ia2/ia2AccessibleTableCell.cpp
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:expandtab:shiftwidth=2:tabstop=2: | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #include "ia2AccessibleTableCell.h" | |
| 9 | |
| 10 #include "Accessible2.h" | |
| 11 #include "AccessibleTable2_i.c" | |
| 12 #include "AccessibleTableCell_i.c" | |
| 13 | |
| 14 #include "AccessibleWrap.h" | |
| 15 #include "TableAccessible.h" | |
| 16 #include "TableCellAccessible.h" | |
| 17 #include "IUnknownImpl.h" | |
| 18 | |
| 19 #include "nsCOMPtr.h" | |
| 20 #include "nsString.h" | |
| 21 | |
| 22 using namespace mozilla::a11y; | |
| 23 | |
| 24 // IUnknown | |
| 25 | |
| 26 STDMETHODIMP | |
| 27 ia2AccessibleTableCell::QueryInterface(REFIID iid, void** ppv) | |
| 28 { | |
| 29 if (!ppv) | |
| 30 return E_INVALIDARG; | |
| 31 | |
| 32 *ppv = nullptr; | |
| 33 | |
| 34 if (IID_IAccessibleTableCell == iid) { | |
| 35 *ppv = static_cast<IAccessibleTableCell*>(this); | |
| 36 (reinterpret_cast<IUnknown*>(*ppv))->AddRef(); | |
| 37 return S_OK; | |
| 38 } | |
| 39 | |
| 40 return E_NOINTERFACE; | |
| 41 } | |
| 42 | |
| 43 //////////////////////////////////////////////////////////////////////////////// | |
| 44 // IAccessibleTableCell | |
| 45 | |
| 46 STDMETHODIMP | |
| 47 ia2AccessibleTableCell::get_table(IUnknown** aTable) | |
| 48 { | |
| 49 A11Y_TRYBLOCK_BEGIN | |
| 50 | |
| 51 if (!aTable) | |
| 52 return E_INVALIDARG; | |
| 53 | |
| 54 *aTable = nullptr; | |
| 55 if (!mTableCell) | |
| 56 return CO_E_OBJNOTCONNECTED; | |
| 57 | |
| 58 TableAccessible* table = mTableCell->Table(); | |
| 59 if (!table) | |
| 60 return E_FAIL; | |
| 61 | |
| 62 AccessibleWrap* wrap = static_cast<AccessibleWrap*>(table->AsAccessible()); | |
| 63 *aTable = static_cast<IAccessible*>(wrap); | |
| 64 (*aTable)->AddRef(); | |
| 65 return S_OK; | |
| 66 | |
| 67 A11Y_TRYBLOCK_END | |
| 68 } | |
| 69 | |
| 70 STDMETHODIMP | |
| 71 ia2AccessibleTableCell::get_columnExtent(long* aSpan) | |
| 72 { | |
| 73 A11Y_TRYBLOCK_BEGIN | |
| 74 | |
| 75 if (!aSpan) | |
| 76 return E_INVALIDARG; | |
| 77 | |
| 78 *aSpan = 0; | |
| 79 if (!mTableCell) | |
| 80 return CO_E_OBJNOTCONNECTED; | |
| 81 | |
| 82 *aSpan = mTableCell->ColExtent(); | |
| 83 | |
| 84 return S_OK; | |
| 85 | |
| 86 A11Y_TRYBLOCK_END | |
| 87 } | |
| 88 | |
| 89 STDMETHODIMP | |
| 90 ia2AccessibleTableCell::get_columnHeaderCells(IUnknown*** aCellAccessibles, | |
| 91 long* aNColumnHeaderCells) | |
| 92 { | |
| 93 A11Y_TRYBLOCK_BEGIN | |
| 94 | |
| 95 if (!aCellAccessibles || !aNColumnHeaderCells) | |
| 96 return E_INVALIDARG; | |
| 97 | |
| 98 *aCellAccessibles = nullptr; | |
| 99 *aNColumnHeaderCells = 0; | |
| 100 if (!mTableCell) | |
| 101 return CO_E_OBJNOTCONNECTED; | |
| 102 | |
| 103 nsAutoTArray<Accessible*, 10> cells; | |
| 104 mTableCell->ColHeaderCells(&cells); | |
| 105 | |
| 106 *aNColumnHeaderCells = cells.Length(); | |
| 107 *aCellAccessibles = | |
| 108 static_cast<IUnknown**>(::CoTaskMemAlloc(sizeof(IUnknown*) * | |
| 109 cells.Length())); | |
| 110 | |
| 111 if (!*aCellAccessibles) | |
| 112 return E_OUTOFMEMORY; | |
| 113 | |
| 114 for (uint32_t i = 0; i < cells.Length(); i++) { | |
| 115 AccessibleWrap* cell = static_cast<AccessibleWrap*>(cells[i]); | |
| 116 (*aCellAccessibles)[i] = static_cast<IAccessible*>(cell); | |
| 117 (*aCellAccessibles)[i]->AddRef(); | |
| 118 } | |
| 119 | |
| 120 return S_OK; | |
| 121 | |
| 122 A11Y_TRYBLOCK_END | |
| 123 } | |
| 124 | |
| 125 STDMETHODIMP | |
| 126 ia2AccessibleTableCell::get_columnIndex(long* aColIdx) | |
| 127 { | |
| 128 A11Y_TRYBLOCK_BEGIN | |
| 129 | |
| 130 if (!aColIdx) | |
| 131 return E_INVALIDARG; | |
| 132 | |
| 133 *aColIdx = -1; | |
| 134 if (!mTableCell) | |
| 135 return CO_E_OBJNOTCONNECTED; | |
| 136 | |
| 137 *aColIdx = mTableCell->ColIdx(); | |
| 138 return S_OK; | |
| 139 | |
| 140 A11Y_TRYBLOCK_END | |
| 141 } | |
| 142 | |
| 143 STDMETHODIMP | |
| 144 ia2AccessibleTableCell::get_rowExtent(long* aSpan) | |
| 145 { | |
| 146 A11Y_TRYBLOCK_BEGIN | |
| 147 | |
| 148 if (!aSpan) | |
| 149 return E_INVALIDARG; | |
| 150 | |
| 151 *aSpan = 0; | |
| 152 if (!mTableCell) | |
| 153 return CO_E_OBJNOTCONNECTED; | |
| 154 | |
| 155 *aSpan = mTableCell->RowExtent(); | |
| 156 return S_OK; | |
| 157 | |
| 158 A11Y_TRYBLOCK_END | |
| 159 } | |
| 160 | |
| 161 STDMETHODIMP | |
| 162 ia2AccessibleTableCell::get_rowHeaderCells(IUnknown*** aCellAccessibles, | |
| 163 long* aNRowHeaderCells) | |
| 164 { | |
| 165 A11Y_TRYBLOCK_BEGIN | |
| 166 | |
| 167 if (!aCellAccessibles || !aNRowHeaderCells) | |
| 168 return E_INVALIDARG; | |
| 169 | |
| 170 *aCellAccessibles = nullptr; | |
| 171 *aNRowHeaderCells = 0; | |
| 172 if (!mTableCell) | |
| 173 return CO_E_OBJNOTCONNECTED; | |
| 174 | |
| 175 nsAutoTArray<Accessible*, 10> cells; | |
| 176 mTableCell->RowHeaderCells(&cells); | |
| 177 | |
| 178 *aNRowHeaderCells = cells.Length(); | |
| 179 *aCellAccessibles = | |
| 180 static_cast<IUnknown**>(::CoTaskMemAlloc(sizeof(IUnknown*) * | |
| 181 cells.Length())); | |
| 182 if (!*aCellAccessibles) | |
| 183 return E_OUTOFMEMORY; | |
| 184 | |
| 185 for (uint32_t i = 0; i < cells.Length(); i++) { | |
| 186 AccessibleWrap* cell = static_cast<AccessibleWrap*>(cells[i]); | |
| 187 (*aCellAccessibles)[i] = static_cast<IAccessible*>(cell); | |
| 188 (*aCellAccessibles)[i]->AddRef(); | |
| 189 } | |
| 190 | |
| 191 return S_OK; | |
| 192 | |
| 193 A11Y_TRYBLOCK_END | |
| 194 } | |
| 195 | |
| 196 STDMETHODIMP | |
| 197 ia2AccessibleTableCell::get_rowIndex(long* aRowIdx) | |
| 198 { | |
| 199 A11Y_TRYBLOCK_BEGIN | |
| 200 | |
| 201 if (!aRowIdx) | |
| 202 return E_INVALIDARG; | |
| 203 | |
| 204 *aRowIdx = -1; | |
| 205 if (!mTableCell) | |
| 206 return CO_E_OBJNOTCONNECTED; | |
| 207 | |
| 208 *aRowIdx = mTableCell->RowIdx(); | |
| 209 return S_OK; | |
| 210 | |
| 211 A11Y_TRYBLOCK_END | |
| 212 } | |
| 213 | |
| 214 STDMETHODIMP | |
| 215 ia2AccessibleTableCell::get_rowColumnExtents(long* aRowIdx, long* aColIdx, | |
| 216 long* aRowExtents, | |
| 217 long* aColExtents, | |
| 218 boolean* aIsSelected) | |
| 219 { | |
| 220 A11Y_TRYBLOCK_BEGIN | |
| 221 | |
| 222 if (!aRowIdx || !aColIdx || !aRowExtents || !aColExtents || !aIsSelected) | |
| 223 return E_INVALIDARG; | |
| 224 | |
| 225 *aRowIdx = *aColIdx = *aRowExtents = *aColExtents = 0; | |
| 226 *aIsSelected = false; | |
| 227 if (!mTableCell) | |
| 228 return CO_E_OBJNOTCONNECTED; | |
| 229 | |
| 230 *aRowIdx = mTableCell->RowIdx(); | |
| 231 *aColIdx = mTableCell->ColIdx(); | |
| 232 *aRowExtents = mTableCell->RowExtent(); | |
| 233 *aColExtents = mTableCell->ColExtent(); | |
| 234 *aIsSelected = mTableCell->Selected(); | |
| 235 | |
| 236 return S_OK; | |
| 237 | |
| 238 A11Y_TRYBLOCK_END | |
| 239 } | |
| 240 | |
| 241 STDMETHODIMP | |
| 242 ia2AccessibleTableCell::get_isSelected(boolean* aIsSelected) | |
| 243 { | |
| 244 A11Y_TRYBLOCK_BEGIN | |
| 245 | |
| 246 if (!aIsSelected) | |
| 247 return E_INVALIDARG; | |
| 248 | |
| 249 *aIsSelected = false; | |
| 250 if (!mTableCell) | |
| 251 return CO_E_OBJNOTCONNECTED; | |
| 252 | |
| 253 *aIsSelected = mTableCell->Selected(); | |
| 254 return S_OK; | |
| 255 | |
| 256 A11Y_TRYBLOCK_END | |
| 257 } |
