1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/accessible/src/xpcom/xpcAccessibleTable.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,487 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "xpcAccessibleTable.h"
1.11 +
1.12 +#include "Accessible.h"
1.13 +#include "TableAccessible.h"
1.14 +
1.15 +#include "nsIMutableArray.h"
1.16 +#include "nsComponentManagerUtils.h"
1.17 +
1.18 +using namespace mozilla::a11y;
1.19 +
1.20 +static const uint32_t XPC_TABLE_DEFAULT_SIZE = 40;
1.21 +
1.22 +nsresult
1.23 +xpcAccessibleTable::GetCaption(nsIAccessible** aCaption)
1.24 +{
1.25 + NS_ENSURE_ARG_POINTER(aCaption);
1.26 + *aCaption = nullptr;
1.27 + if (!mTable)
1.28 + return NS_ERROR_FAILURE;
1.29 +
1.30 + NS_IF_ADDREF(*aCaption = mTable->Caption());
1.31 + return NS_OK;
1.32 +}
1.33 +
1.34 +nsresult
1.35 +xpcAccessibleTable::GetColumnCount(int32_t* aColumnCount)
1.36 +{
1.37 + NS_ENSURE_ARG_POINTER(aColumnCount);
1.38 + *aColumnCount = 0;
1.39 +
1.40 + if (!mTable)
1.41 + return NS_ERROR_FAILURE;
1.42 +
1.43 + *aColumnCount = mTable->ColCount();
1.44 + return NS_OK;
1.45 +}
1.46 +
1.47 +nsresult
1.48 +xpcAccessibleTable::GetRowCount(int32_t* aRowCount)
1.49 +{
1.50 + NS_ENSURE_ARG_POINTER(aRowCount);
1.51 + *aRowCount = 0;
1.52 +
1.53 + if (!mTable)
1.54 + return NS_ERROR_FAILURE;
1.55 +
1.56 + *aRowCount = mTable->RowCount();
1.57 + return NS_OK;
1.58 +}
1.59 +
1.60 +nsresult
1.61 +xpcAccessibleTable::GetCellAt(int32_t aRowIdx, int32_t aColIdx,
1.62 + nsIAccessible** aCell)
1.63 +{
1.64 + NS_ENSURE_ARG_POINTER(aCell);
1.65 + *aCell = nullptr;
1.66 +
1.67 + if (!mTable)
1.68 + return NS_ERROR_FAILURE;
1.69 +
1.70 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
1.71 + aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.72 + return NS_ERROR_INVALID_ARG;
1.73 +
1.74 + NS_IF_ADDREF(*aCell = mTable->CellAt(aRowIdx, aColIdx));
1.75 + return NS_OK;
1.76 +}
1.77 +
1.78 +nsresult
1.79 +xpcAccessibleTable::GetCellIndexAt(int32_t aRowIdx, int32_t aColIdx,
1.80 + int32_t* aCellIdx)
1.81 +{
1.82 + NS_ENSURE_ARG_POINTER(aCellIdx);
1.83 + *aCellIdx = -1;
1.84 +
1.85 + if (!mTable)
1.86 + return NS_ERROR_FAILURE;
1.87 +
1.88 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
1.89 + aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.90 + return NS_ERROR_INVALID_ARG;
1.91 +
1.92 + *aCellIdx = mTable->CellIndexAt(aRowIdx, aColIdx);
1.93 + return NS_OK;
1.94 +}
1.95 +
1.96 +nsresult
1.97 +xpcAccessibleTable::GetColumnExtentAt(int32_t aRowIdx, int32_t aColIdx,
1.98 + int32_t* aColumnExtent)
1.99 +{
1.100 + NS_ENSURE_ARG_POINTER(aColumnExtent);
1.101 + *aColumnExtent = -1;
1.102 +
1.103 + if (!mTable)
1.104 + return NS_ERROR_FAILURE;
1.105 +
1.106 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
1.107 + aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.108 + return NS_ERROR_INVALID_ARG;
1.109 +
1.110 + *aColumnExtent = mTable->ColExtentAt(aRowIdx, aColIdx);
1.111 + return NS_OK;
1.112 +}
1.113 +
1.114 +nsresult
1.115 +xpcAccessibleTable::GetRowExtentAt(int32_t aRowIdx, int32_t aColIdx,
1.116 + int32_t* aRowExtent)
1.117 +{
1.118 + NS_ENSURE_ARG_POINTER(aRowExtent);
1.119 + *aRowExtent = -1;
1.120 +
1.121 + if (!mTable)
1.122 + return NS_ERROR_FAILURE;
1.123 +
1.124 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
1.125 + aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.126 + return NS_ERROR_INVALID_ARG;
1.127 +
1.128 + *aRowExtent = mTable->RowExtentAt(aRowIdx, aColIdx);
1.129 + return NS_OK;
1.130 +}
1.131 +
1.132 +nsresult
1.133 +xpcAccessibleTable::GetColumnDescription(int32_t aColIdx,
1.134 + nsAString& aDescription)
1.135 +{
1.136 + if (!mTable)
1.137 + return NS_ERROR_FAILURE;
1.138 +
1.139 + if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.140 + return NS_ERROR_INVALID_ARG;
1.141 +
1.142 + nsAutoString description;
1.143 + mTable->ColDescription(aColIdx, description);
1.144 + aDescription.Assign(description);
1.145 +
1.146 + return NS_OK;
1.147 +}
1.148 +
1.149 +nsresult
1.150 +xpcAccessibleTable::GetRowDescription(int32_t aRowIdx, nsAString& aDescription)
1.151 +{
1.152 + if (!mTable)
1.153 + return NS_ERROR_FAILURE;
1.154 +
1.155 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->ColCount())
1.156 + return NS_ERROR_INVALID_ARG;
1.157 +
1.158 + nsAutoString description;
1.159 + mTable->RowDescription(aRowIdx, description);
1.160 + aDescription.Assign(description);
1.161 +
1.162 + return NS_OK;
1.163 +}
1.164 +
1.165 +nsresult
1.166 +xpcAccessibleTable::IsColumnSelected(int32_t aColIdx, bool* aIsSelected)
1.167 +{
1.168 + NS_ENSURE_ARG_POINTER(aIsSelected);
1.169 + *aIsSelected = false;
1.170 +
1.171 + if (!mTable)
1.172 + return NS_ERROR_FAILURE;
1.173 +
1.174 + if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.175 + return NS_ERROR_INVALID_ARG;
1.176 +
1.177 + *aIsSelected = mTable->IsColSelected(aColIdx);
1.178 + return NS_OK;
1.179 +}
1.180 +
1.181 +nsresult
1.182 +xpcAccessibleTable::IsRowSelected(int32_t aRowIdx, bool* aIsSelected)
1.183 +{
1.184 + NS_ENSURE_ARG_POINTER(aIsSelected);
1.185 + *aIsSelected = false;
1.186 +
1.187 + if (!mTable)
1.188 + return NS_ERROR_FAILURE;
1.189 +
1.190 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
1.191 + return NS_ERROR_INVALID_ARG;
1.192 +
1.193 + *aIsSelected = mTable->IsRowSelected(aRowIdx);
1.194 + return NS_OK;
1.195 +}
1.196 +
1.197 +nsresult
1.198 +xpcAccessibleTable::IsCellSelected(int32_t aRowIdx, int32_t aColIdx,
1.199 + bool* aIsSelected)
1.200 +{
1.201 + NS_ENSURE_ARG_POINTER(aIsSelected);
1.202 + *aIsSelected = false;
1.203 +
1.204 + if (!mTable)
1.205 + return NS_ERROR_FAILURE;
1.206 +
1.207 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
1.208 + aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.209 + return NS_ERROR_INVALID_ARG;
1.210 +
1.211 + *aIsSelected = mTable->IsCellSelected(aRowIdx, aColIdx);
1.212 + return NS_OK;
1.213 +}
1.214 +
1.215 +nsresult
1.216 +xpcAccessibleTable::GetSelectedCellCount(uint32_t* aSelectedCellCount)
1.217 +{
1.218 + NS_ENSURE_ARG_POINTER(aSelectedCellCount);
1.219 + *aSelectedCellCount = 0;
1.220 +
1.221 + if (!mTable)
1.222 + return NS_ERROR_FAILURE;
1.223 +
1.224 + *aSelectedCellCount = mTable->SelectedCellCount();
1.225 + return NS_OK;
1.226 +}
1.227 +
1.228 +nsresult
1.229 +xpcAccessibleTable::GetSelectedColumnCount(uint32_t* aSelectedColumnCount)
1.230 +{
1.231 + NS_ENSURE_ARG_POINTER(aSelectedColumnCount);
1.232 + *aSelectedColumnCount = 0;
1.233 +
1.234 + if (!mTable)
1.235 + return NS_ERROR_FAILURE;
1.236 +
1.237 + *aSelectedColumnCount = mTable->SelectedColCount();
1.238 + return NS_OK;
1.239 +}
1.240 +
1.241 +nsresult
1.242 +xpcAccessibleTable::GetSelectedRowCount(uint32_t* aSelectedRowCount)
1.243 +{
1.244 + NS_ENSURE_ARG_POINTER(aSelectedRowCount);
1.245 + *aSelectedRowCount = 0;
1.246 +
1.247 + if (!mTable)
1.248 + return NS_ERROR_FAILURE;
1.249 +
1.250 + *aSelectedRowCount = mTable->SelectedRowCount();
1.251 + return NS_OK;
1.252 +}
1.253 +
1.254 +nsresult
1.255 +xpcAccessibleTable::GetSelectedCells(nsIArray** aSelectedCells)
1.256 +{
1.257 + NS_ENSURE_ARG_POINTER(aSelectedCells);
1.258 + *aSelectedCells = nullptr;
1.259 +
1.260 + if (!mTable)
1.261 + return NS_ERROR_FAILURE;
1.262 +
1.263 + nsresult rv = NS_OK;
1.264 + nsCOMPtr<nsIMutableArray> selCells =
1.265 + do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
1.266 + NS_ENSURE_SUCCESS(rv, rv);
1.267 +
1.268 + nsAutoTArray<Accessible*, XPC_TABLE_DEFAULT_SIZE> cellsArray;
1.269 + mTable->SelectedCells(&cellsArray);
1.270 +
1.271 + uint32_t totalCount = cellsArray.Length();
1.272 + for (uint32_t idx = 0; idx < totalCount; idx++) {
1.273 + Accessible* cell = cellsArray.ElementAt(idx);
1.274 + selCells -> AppendElement(static_cast<nsIAccessible*>(cell), false);
1.275 + }
1.276 +
1.277 + NS_ADDREF(*aSelectedCells = selCells);
1.278 + return NS_OK;
1.279 +}
1.280 +
1.281 +nsresult
1.282 +xpcAccessibleTable::GetSelectedCellIndices(uint32_t* aCellsArraySize,
1.283 + int32_t** aCellsArray)
1.284 +{
1.285 + NS_ENSURE_ARG_POINTER(aCellsArraySize);
1.286 + *aCellsArraySize = 0;
1.287 +
1.288 + NS_ENSURE_ARG_POINTER(aCellsArray);
1.289 + *aCellsArray = 0;
1.290 +
1.291 + if (!mTable)
1.292 + return NS_ERROR_FAILURE;
1.293 +
1.294 + nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> cellsArray;
1.295 + mTable->SelectedCellIndices(&cellsArray);
1.296 +
1.297 + *aCellsArraySize = cellsArray.Length();
1.298 + *aCellsArray = static_cast<int32_t*>
1.299 + (moz_xmalloc(*aCellsArraySize * sizeof(int32_t)));
1.300 + memcpy(*aCellsArray, cellsArray.Elements(),
1.301 + *aCellsArraySize * sizeof(int32_t));
1.302 +
1.303 + return NS_OK;
1.304 +}
1.305 +
1.306 +nsresult
1.307 +xpcAccessibleTable::GetSelectedColumnIndices(uint32_t* aColsArraySize,
1.308 + int32_t** aColsArray)
1.309 +{
1.310 + NS_ENSURE_ARG_POINTER(aColsArraySize);
1.311 + *aColsArraySize = 0;
1.312 +
1.313 + NS_ENSURE_ARG_POINTER(aColsArray);
1.314 + *aColsArray = 0;
1.315 +
1.316 + if (!mTable)
1.317 + return NS_ERROR_FAILURE;
1.318 +
1.319 + nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> colsArray;
1.320 + mTable->SelectedColIndices(&colsArray);
1.321 +
1.322 + *aColsArraySize = colsArray.Length();
1.323 + *aColsArray = static_cast<int32_t*>
1.324 + (moz_xmalloc(*aColsArraySize * sizeof(int32_t)));
1.325 + memcpy(*aColsArray, colsArray.Elements(),
1.326 + *aColsArraySize * sizeof(int32_t));
1.327 +
1.328 + return NS_OK;
1.329 +}
1.330 +
1.331 +nsresult
1.332 +xpcAccessibleTable::GetSelectedRowIndices(uint32_t* aRowsArraySize,
1.333 + int32_t** aRowsArray)
1.334 +{
1.335 + NS_ENSURE_ARG_POINTER(aRowsArraySize);
1.336 + *aRowsArraySize = 0;
1.337 +
1.338 + NS_ENSURE_ARG_POINTER(aRowsArray);
1.339 + *aRowsArray = 0;
1.340 +
1.341 + if (!mTable)
1.342 + return NS_ERROR_FAILURE;
1.343 +
1.344 + nsAutoTArray<uint32_t, XPC_TABLE_DEFAULT_SIZE> rowsArray;
1.345 + mTable->SelectedRowIndices(&rowsArray);
1.346 +
1.347 + *aRowsArraySize = rowsArray.Length();
1.348 + *aRowsArray = static_cast<int32_t*>
1.349 + (moz_xmalloc(*aRowsArraySize * sizeof(int32_t)));
1.350 + memcpy(*aRowsArray, rowsArray.Elements(),
1.351 + *aRowsArraySize * sizeof(int32_t));
1.352 +
1.353 + return NS_OK;
1.354 +}
1.355 +
1.356 +nsresult
1.357 +xpcAccessibleTable::GetColumnIndexAt(int32_t aCellIdx, int32_t* aColIdx)
1.358 +{
1.359 + NS_ENSURE_ARG_POINTER(aColIdx);
1.360 + *aColIdx = -1;
1.361 +
1.362 + if (!mTable)
1.363 + return NS_ERROR_FAILURE;
1.364 +
1.365 + if (aCellIdx < 0
1.366 + || static_cast<uint32_t>(aCellIdx)
1.367 + >= mTable->RowCount() * mTable->ColCount())
1.368 + return NS_ERROR_INVALID_ARG;
1.369 +
1.370 + *aColIdx = mTable->ColIndexAt(aCellIdx);
1.371 + return NS_OK;
1.372 +}
1.373 +
1.374 +nsresult
1.375 +xpcAccessibleTable::GetRowIndexAt(int32_t aCellIdx, int32_t* aRowIdx)
1.376 +{
1.377 + NS_ENSURE_ARG_POINTER(aRowIdx);
1.378 + *aRowIdx = -1;
1.379 +
1.380 + if (!mTable)
1.381 + return NS_ERROR_FAILURE;
1.382 +
1.383 + if (aCellIdx < 0
1.384 + || static_cast<uint32_t>(aCellIdx)
1.385 + >= mTable->RowCount() * mTable->ColCount())
1.386 + return NS_ERROR_INVALID_ARG;
1.387 +
1.388 + *aRowIdx = mTable->RowIndexAt(aCellIdx);
1.389 + return NS_OK;
1.390 +}
1.391 +
1.392 +nsresult
1.393 +xpcAccessibleTable::GetRowAndColumnIndicesAt(int32_t aCellIdx, int32_t* aRowIdx,
1.394 + int32_t* aColIdx)
1.395 +{
1.396 + NS_ENSURE_ARG_POINTER(aRowIdx);
1.397 + *aRowIdx = -1;
1.398 + NS_ENSURE_ARG_POINTER(aColIdx);
1.399 + *aColIdx = -1;
1.400 +
1.401 + if (!mTable)
1.402 + return NS_ERROR_FAILURE;
1.403 +
1.404 + if (aCellIdx < 0
1.405 + || static_cast<uint32_t>(aCellIdx)
1.406 + >= mTable->RowCount() * mTable->ColCount())
1.407 + return NS_ERROR_INVALID_ARG;
1.408 +
1.409 + mTable->RowAndColIndicesAt(aCellIdx, aRowIdx, aColIdx);
1.410 + return NS_OK;
1.411 +}
1.412 +
1.413 +nsresult
1.414 +xpcAccessibleTable::GetSummary(nsAString& aSummary)
1.415 +{
1.416 + if (!mTable)
1.417 + return NS_ERROR_FAILURE;
1.418 +
1.419 + nsAutoString summary;
1.420 + mTable->Summary(summary);
1.421 + aSummary.Assign(summary);
1.422 +
1.423 + return NS_OK;
1.424 +}
1.425 +
1.426 +nsresult
1.427 +xpcAccessibleTable::IsProbablyForLayout(bool* aResult)
1.428 +{
1.429 + NS_ENSURE_ARG_POINTER(aResult);
1.430 + *aResult = false;
1.431 + if (!mTable)
1.432 + return NS_ERROR_FAILURE;
1.433 +
1.434 + *aResult = mTable->IsProbablyLayoutTable();
1.435 + return NS_OK;
1.436 +}
1.437 +
1.438 +nsresult
1.439 +xpcAccessibleTable::SelectColumn(int32_t aColIdx)
1.440 +{
1.441 + if (!mTable)
1.442 + return NS_ERROR_FAILURE;
1.443 +
1.444 + if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.445 + return NS_ERROR_INVALID_ARG;
1.446 +
1.447 + mTable->SelectCol(aColIdx);
1.448 + return NS_OK;
1.449 +}
1.450 +
1.451 +nsresult
1.452 +xpcAccessibleTable::SelectRow(int32_t aRowIdx)
1.453 +{
1.454 + if (!mTable)
1.455 + return NS_ERROR_FAILURE;
1.456 +
1.457 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
1.458 + return NS_ERROR_INVALID_ARG;
1.459 +
1.460 + mTable->SelectRow(aRowIdx);
1.461 + return NS_OK;
1.462 +}
1.463 +
1.464 +nsresult
1.465 +xpcAccessibleTable::UnselectColumn(int32_t aColIdx)
1.466 +{
1.467 + if (!mTable)
1.468 + return NS_ERROR_FAILURE;
1.469 +
1.470 + if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
1.471 + return NS_ERROR_INVALID_ARG;
1.472 +
1.473 + mTable->UnselectCol(aColIdx);
1.474 + return NS_OK;
1.475 +}
1.476 +
1.477 +nsresult
1.478 +xpcAccessibleTable::UnselectRow(int32_t aRowIdx)
1.479 +{
1.480 + if (!mTable)
1.481 + return NS_ERROR_FAILURE;
1.482 +
1.483 + if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
1.484 + return NS_ERROR_INVALID_ARG;
1.485 +
1.486 + mTable->UnselectRow(aRowIdx);
1.487 + return NS_OK;
1.488 +}
1.489 +
1.490 +
