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comparison: accessible/src/windows/ia2/ia2AccessibleText.cpp
accessible/src/windows/ia2/ia2AccessibleText.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 "ia2AccessibleText.h" | |
| 9 | |
| 10 #include "Accessible2.h" | |
| 11 #include "AccessibleText_i.c" | |
| 12 | |
| 13 #include "HyperTextAccessibleWrap.h" | |
| 14 #include "HyperTextAccessible-inl.h" | |
| 15 | |
| 16 using namespace mozilla::a11y; | |
| 17 | |
| 18 // IAccessibleText | |
| 19 | |
| 20 STDMETHODIMP | |
| 21 ia2AccessibleText::addSelection(long aStartOffset, long aEndOffset) | |
| 22 { | |
| 23 A11Y_TRYBLOCK_BEGIN | |
| 24 | |
| 25 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 26 if (textAcc->IsDefunct()) | |
| 27 return CO_E_OBJNOTCONNECTED; | |
| 28 | |
| 29 return textAcc->AddToSelection(aStartOffset, aEndOffset) ? | |
| 30 S_OK : E_INVALIDARG; | |
| 31 | |
| 32 A11Y_TRYBLOCK_END | |
| 33 } | |
| 34 | |
| 35 STDMETHODIMP | |
| 36 ia2AccessibleText::get_attributes(long aOffset, long *aStartOffset, | |
| 37 long *aEndOffset, BSTR *aTextAttributes) | |
| 38 { | |
| 39 A11Y_TRYBLOCK_BEGIN | |
| 40 | |
| 41 if (!aStartOffset || !aEndOffset || !aTextAttributes) | |
| 42 return E_INVALIDARG; | |
| 43 | |
| 44 *aStartOffset = 0; | |
| 45 *aEndOffset = 0; | |
| 46 *aTextAttributes = nullptr; | |
| 47 | |
| 48 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 49 if (textAcc->IsDefunct()) | |
| 50 return CO_E_OBJNOTCONNECTED; | |
| 51 | |
| 52 int32_t startOffset = 0, endOffset = 0; | |
| 53 nsCOMPtr<nsIPersistentProperties> attributes = | |
| 54 textAcc->TextAttributes(true, aOffset, &startOffset, &endOffset); | |
| 55 | |
| 56 HRESULT hr = AccessibleWrap::ConvertToIA2Attributes(attributes, | |
| 57 aTextAttributes); | |
| 58 if (FAILED(hr)) | |
| 59 return hr; | |
| 60 | |
| 61 *aStartOffset = startOffset; | |
| 62 *aEndOffset = endOffset; | |
| 63 | |
| 64 return S_OK; | |
| 65 | |
| 66 A11Y_TRYBLOCK_END | |
| 67 } | |
| 68 | |
| 69 STDMETHODIMP | |
| 70 ia2AccessibleText::get_caretOffset(long *aOffset) | |
| 71 { | |
| 72 A11Y_TRYBLOCK_BEGIN | |
| 73 | |
| 74 if (!aOffset) | |
| 75 return E_INVALIDARG; | |
| 76 | |
| 77 *aOffset = -1; | |
| 78 | |
| 79 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 80 if (textAcc->IsDefunct()) | |
| 81 return CO_E_OBJNOTCONNECTED; | |
| 82 | |
| 83 *aOffset = textAcc->CaretOffset(); | |
| 84 return *aOffset != -1 ? S_OK : S_FALSE; | |
| 85 | |
| 86 A11Y_TRYBLOCK_END | |
| 87 } | |
| 88 | |
| 89 STDMETHODIMP | |
| 90 ia2AccessibleText::get_characterExtents(long aOffset, | |
| 91 enum IA2CoordinateType aCoordType, | |
| 92 long* aX, long* aY, | |
| 93 long* aWidth, long* aHeight) | |
| 94 { | |
| 95 A11Y_TRYBLOCK_BEGIN | |
| 96 | |
| 97 if (!aX || !aY || !aWidth || !aHeight) | |
| 98 return E_INVALIDARG; | |
| 99 *aX = *aY = *aWidth = *aHeight = 0; | |
| 100 | |
| 101 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 102 if (textAcc->IsDefunct()) | |
| 103 return CO_E_OBJNOTCONNECTED; | |
| 104 | |
| 105 uint32_t geckoCoordType = (aCoordType == IA2_COORDTYPE_SCREEN_RELATIVE) ? | |
| 106 nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE : | |
| 107 nsIAccessibleCoordinateType::COORDTYPE_PARENT_RELATIVE; | |
| 108 | |
| 109 nsIntRect rect = textAcc->CharBounds(aOffset, geckoCoordType); | |
| 110 | |
| 111 *aX = rect.x; | |
| 112 *aY = rect.y; | |
| 113 *aWidth = rect.width; | |
| 114 *aHeight = rect.height; | |
| 115 return S_OK; | |
| 116 | |
| 117 A11Y_TRYBLOCK_END | |
| 118 } | |
| 119 | |
| 120 STDMETHODIMP | |
| 121 ia2AccessibleText::get_nSelections(long* aNSelections) | |
| 122 { | |
| 123 A11Y_TRYBLOCK_BEGIN | |
| 124 | |
| 125 if (!aNSelections) | |
| 126 return E_INVALIDARG; | |
| 127 *aNSelections = 0; | |
| 128 | |
| 129 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 130 if (textAcc->IsDefunct()) | |
| 131 return CO_E_OBJNOTCONNECTED; | |
| 132 | |
| 133 *aNSelections = textAcc->SelectionCount(); | |
| 134 return S_OK; | |
| 135 | |
| 136 A11Y_TRYBLOCK_END | |
| 137 } | |
| 138 | |
| 139 STDMETHODIMP | |
| 140 ia2AccessibleText::get_offsetAtPoint(long aX, long aY, | |
| 141 enum IA2CoordinateType aCoordType, | |
| 142 long* aOffset) | |
| 143 { | |
| 144 A11Y_TRYBLOCK_BEGIN | |
| 145 | |
| 146 if (!aOffset) | |
| 147 return E_INVALIDARG; | |
| 148 *aOffset = 0; | |
| 149 | |
| 150 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 151 if (textAcc->IsDefunct()) | |
| 152 return CO_E_OBJNOTCONNECTED; | |
| 153 | |
| 154 uint32_t geckoCoordType = (aCoordType == IA2_COORDTYPE_SCREEN_RELATIVE) ? | |
| 155 nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE : | |
| 156 nsIAccessibleCoordinateType::COORDTYPE_PARENT_RELATIVE; | |
| 157 | |
| 158 *aOffset = textAcc->OffsetAtPoint(aX, aY, geckoCoordType); | |
| 159 return *aOffset == -1 ? S_FALSE : S_OK; | |
| 160 | |
| 161 A11Y_TRYBLOCK_END | |
| 162 } | |
| 163 | |
| 164 STDMETHODIMP | |
| 165 ia2AccessibleText::get_selection(long aSelectionIndex, long* aStartOffset, | |
| 166 long* aEndOffset) | |
| 167 { | |
| 168 A11Y_TRYBLOCK_BEGIN | |
| 169 | |
| 170 if (!aStartOffset || !aEndOffset) | |
| 171 return E_INVALIDARG; | |
| 172 *aStartOffset = *aEndOffset = 0; | |
| 173 | |
| 174 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 175 if (textAcc->IsDefunct()) | |
| 176 return CO_E_OBJNOTCONNECTED; | |
| 177 | |
| 178 int32_t startOffset = 0, endOffset = 0; | |
| 179 if (!textAcc->SelectionBoundsAt(aSelectionIndex, &startOffset, &endOffset)) | |
| 180 return E_INVALIDARG; | |
| 181 | |
| 182 *aStartOffset = startOffset; | |
| 183 *aEndOffset = endOffset; | |
| 184 return S_OK; | |
| 185 | |
| 186 A11Y_TRYBLOCK_END | |
| 187 } | |
| 188 | |
| 189 STDMETHODIMP | |
| 190 ia2AccessibleText::get_text(long aStartOffset, long aEndOffset, BSTR* aText) | |
| 191 { | |
| 192 A11Y_TRYBLOCK_BEGIN | |
| 193 | |
| 194 if (!aText) | |
| 195 return E_INVALIDARG; | |
| 196 | |
| 197 *aText = nullptr; | |
| 198 | |
| 199 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 200 if (textAcc->IsDefunct()) | |
| 201 return CO_E_OBJNOTCONNECTED; | |
| 202 | |
| 203 if (!textAcc->IsValidRange(aStartOffset, aEndOffset)) | |
| 204 return E_INVALIDARG; | |
| 205 | |
| 206 nsAutoString text; | |
| 207 textAcc->TextSubstring(aStartOffset, aEndOffset, text); | |
| 208 if (text.IsEmpty()) | |
| 209 return S_FALSE; | |
| 210 | |
| 211 *aText = ::SysAllocStringLen(text.get(), text.Length()); | |
| 212 return *aText ? S_OK : E_OUTOFMEMORY; | |
| 213 | |
| 214 A11Y_TRYBLOCK_END | |
| 215 } | |
| 216 | |
| 217 STDMETHODIMP | |
| 218 ia2AccessibleText::get_textBeforeOffset(long aOffset, | |
| 219 enum IA2TextBoundaryType aBoundaryType, | |
| 220 long* aStartOffset, long* aEndOffset, | |
| 221 BSTR* aText) | |
| 222 { | |
| 223 A11Y_TRYBLOCK_BEGIN | |
| 224 | |
| 225 if (!aStartOffset || !aEndOffset || !aText) | |
| 226 return E_INVALIDARG; | |
| 227 | |
| 228 *aStartOffset = *aEndOffset = 0; | |
| 229 *aText = nullptr; | |
| 230 | |
| 231 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 232 if (textAcc->IsDefunct()) | |
| 233 return CO_E_OBJNOTCONNECTED; | |
| 234 | |
| 235 if (!textAcc->IsValidOffset(aOffset)) | |
| 236 return E_INVALIDARG; | |
| 237 | |
| 238 nsAutoString text; | |
| 239 int32_t startOffset = 0, endOffset = 0; | |
| 240 | |
| 241 if (aBoundaryType == IA2_TEXT_BOUNDARY_ALL) { | |
| 242 startOffset = 0; | |
| 243 endOffset = textAcc->CharacterCount(); | |
| 244 textAcc->TextSubstring(startOffset, endOffset, text); | |
| 245 } else { | |
| 246 AccessibleTextBoundary boundaryType = GetGeckoTextBoundary(aBoundaryType); | |
| 247 if (boundaryType == -1) | |
| 248 return S_FALSE; | |
| 249 | |
| 250 textAcc->TextBeforeOffset(aOffset, boundaryType, &startOffset, &endOffset, text); | |
| 251 } | |
| 252 | |
| 253 *aStartOffset = startOffset; | |
| 254 *aEndOffset = endOffset; | |
| 255 | |
| 256 if (text.IsEmpty()) | |
| 257 return S_FALSE; | |
| 258 | |
| 259 *aText = ::SysAllocStringLen(text.get(), text.Length()); | |
| 260 return *aText ? S_OK : E_OUTOFMEMORY; | |
| 261 | |
| 262 A11Y_TRYBLOCK_END | |
| 263 } | |
| 264 | |
| 265 STDMETHODIMP | |
| 266 ia2AccessibleText::get_textAfterOffset(long aOffset, | |
| 267 enum IA2TextBoundaryType aBoundaryType, | |
| 268 long* aStartOffset, long* aEndOffset, | |
| 269 BSTR* aText) | |
| 270 { | |
| 271 A11Y_TRYBLOCK_BEGIN | |
| 272 | |
| 273 if (!aStartOffset || !aEndOffset || !aText) | |
| 274 return E_INVALIDARG; | |
| 275 | |
| 276 *aStartOffset = 0; | |
| 277 *aEndOffset = 0; | |
| 278 *aText = nullptr; | |
| 279 | |
| 280 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 281 if (textAcc->IsDefunct()) | |
| 282 return CO_E_OBJNOTCONNECTED; | |
| 283 | |
| 284 if (!textAcc->IsValidOffset(aOffset)) | |
| 285 return E_INVALIDARG; | |
| 286 | |
| 287 nsAutoString text; | |
| 288 int32_t startOffset = 0, endOffset = 0; | |
| 289 | |
| 290 if (aBoundaryType == IA2_TEXT_BOUNDARY_ALL) { | |
| 291 startOffset = 0; | |
| 292 endOffset = textAcc->CharacterCount(); | |
| 293 textAcc->TextSubstring(startOffset, endOffset, text); | |
| 294 } else { | |
| 295 AccessibleTextBoundary boundaryType = GetGeckoTextBoundary(aBoundaryType); | |
| 296 if (boundaryType == -1) | |
| 297 return S_FALSE; | |
| 298 textAcc->TextAfterOffset(aOffset, boundaryType, &startOffset, &endOffset, text); | |
| 299 } | |
| 300 | |
| 301 *aStartOffset = startOffset; | |
| 302 *aEndOffset = endOffset; | |
| 303 | |
| 304 if (text.IsEmpty()) | |
| 305 return S_FALSE; | |
| 306 | |
| 307 *aText = ::SysAllocStringLen(text.get(), text.Length()); | |
| 308 return *aText ? S_OK : E_OUTOFMEMORY; | |
| 309 | |
| 310 A11Y_TRYBLOCK_END | |
| 311 } | |
| 312 | |
| 313 STDMETHODIMP | |
| 314 ia2AccessibleText::get_textAtOffset(long aOffset, | |
| 315 enum IA2TextBoundaryType aBoundaryType, | |
| 316 long* aStartOffset, long* aEndOffset, | |
| 317 BSTR* aText) | |
| 318 { | |
| 319 A11Y_TRYBLOCK_BEGIN | |
| 320 | |
| 321 if (!aStartOffset || !aEndOffset || !aText) | |
| 322 return E_INVALIDARG; | |
| 323 | |
| 324 *aStartOffset = *aEndOffset = 0; | |
| 325 *aText = nullptr; | |
| 326 | |
| 327 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 328 if (textAcc->IsDefunct()) | |
| 329 return CO_E_OBJNOTCONNECTED; | |
| 330 | |
| 331 if (!textAcc->IsValidOffset(aOffset)) | |
| 332 return E_INVALIDARG; | |
| 333 | |
| 334 nsAutoString text; | |
| 335 int32_t startOffset = 0, endOffset = 0; | |
| 336 if (aBoundaryType == IA2_TEXT_BOUNDARY_ALL) { | |
| 337 startOffset = 0; | |
| 338 endOffset = textAcc->CharacterCount(); | |
| 339 textAcc->TextSubstring(startOffset, endOffset, text); | |
| 340 } else { | |
| 341 AccessibleTextBoundary boundaryType = GetGeckoTextBoundary(aBoundaryType); | |
| 342 if (boundaryType == -1) | |
| 343 return S_FALSE; | |
| 344 textAcc->TextAtOffset(aOffset, boundaryType, &startOffset, &endOffset, text); | |
| 345 } | |
| 346 | |
| 347 *aStartOffset = startOffset; | |
| 348 *aEndOffset = endOffset; | |
| 349 | |
| 350 if (text.IsEmpty()) | |
| 351 return S_FALSE; | |
| 352 | |
| 353 *aText = ::SysAllocStringLen(text.get(), text.Length()); | |
| 354 return *aText ? S_OK : E_OUTOFMEMORY; | |
| 355 | |
| 356 A11Y_TRYBLOCK_END | |
| 357 } | |
| 358 | |
| 359 STDMETHODIMP | |
| 360 ia2AccessibleText::removeSelection(long aSelectionIndex) | |
| 361 { | |
| 362 A11Y_TRYBLOCK_BEGIN | |
| 363 | |
| 364 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 365 if (textAcc->IsDefunct()) | |
| 366 return CO_E_OBJNOTCONNECTED; | |
| 367 | |
| 368 return textAcc->RemoveFromSelection(aSelectionIndex) ? | |
| 369 S_OK : E_INVALIDARG; | |
| 370 | |
| 371 A11Y_TRYBLOCK_END | |
| 372 } | |
| 373 | |
| 374 STDMETHODIMP | |
| 375 ia2AccessibleText::setCaretOffset(long aOffset) | |
| 376 { | |
| 377 A11Y_TRYBLOCK_BEGIN | |
| 378 | |
| 379 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 380 if (textAcc->IsDefunct()) | |
| 381 return CO_E_OBJNOTCONNECTED; | |
| 382 | |
| 383 if (!textAcc->IsValidOffset(aOffset)) | |
| 384 return E_INVALIDARG; | |
| 385 | |
| 386 textAcc->SetCaretOffset(aOffset); | |
| 387 return S_OK; | |
| 388 | |
| 389 A11Y_TRYBLOCK_END | |
| 390 } | |
| 391 | |
| 392 STDMETHODIMP | |
| 393 ia2AccessibleText::setSelection(long aSelectionIndex, long aStartOffset, | |
| 394 long aEndOffset) | |
| 395 { | |
| 396 A11Y_TRYBLOCK_BEGIN | |
| 397 | |
| 398 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 399 if (textAcc->IsDefunct()) | |
| 400 return CO_E_OBJNOTCONNECTED; | |
| 401 | |
| 402 return textAcc->SetSelectionBoundsAt(aSelectionIndex, aStartOffset, aEndOffset) ? | |
| 403 S_OK : E_INVALIDARG; | |
| 404 | |
| 405 A11Y_TRYBLOCK_END | |
| 406 } | |
| 407 | |
| 408 STDMETHODIMP | |
| 409 ia2AccessibleText::get_nCharacters(long* aNCharacters) | |
| 410 { | |
| 411 A11Y_TRYBLOCK_BEGIN | |
| 412 | |
| 413 if (!aNCharacters) | |
| 414 return E_INVALIDARG; | |
| 415 *aNCharacters = 0; | |
| 416 | |
| 417 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 418 if (textAcc->IsDefunct()) | |
| 419 return CO_E_OBJNOTCONNECTED; | |
| 420 | |
| 421 *aNCharacters = textAcc->CharacterCount(); | |
| 422 return S_OK; | |
| 423 | |
| 424 A11Y_TRYBLOCK_END | |
| 425 } | |
| 426 | |
| 427 STDMETHODIMP | |
| 428 ia2AccessibleText::scrollSubstringTo(long aStartIndex, long aEndIndex, | |
| 429 enum IA2ScrollType aScrollType) | |
| 430 { | |
| 431 A11Y_TRYBLOCK_BEGIN | |
| 432 | |
| 433 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 434 if (textAcc->IsDefunct()) | |
| 435 return CO_E_OBJNOTCONNECTED; | |
| 436 | |
| 437 if (!textAcc->IsValidRange(aStartIndex, aEndIndex)) | |
| 438 return E_INVALIDARG; | |
| 439 | |
| 440 textAcc->ScrollSubstringTo(aStartIndex, aEndIndex, aScrollType); | |
| 441 return S_OK; | |
| 442 | |
| 443 A11Y_TRYBLOCK_END | |
| 444 } | |
| 445 | |
| 446 STDMETHODIMP | |
| 447 ia2AccessibleText::scrollSubstringToPoint(long aStartIndex, long aEndIndex, | |
| 448 enum IA2CoordinateType aCoordType, | |
| 449 long aX, long aY) | |
| 450 { | |
| 451 A11Y_TRYBLOCK_BEGIN | |
| 452 | |
| 453 HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this); | |
| 454 if (textAcc->IsDefunct()) | |
| 455 return CO_E_OBJNOTCONNECTED; | |
| 456 | |
| 457 if (!textAcc->IsValidRange(aStartIndex, aEndIndex)) | |
| 458 return E_INVALIDARG; | |
| 459 | |
| 460 uint32_t geckoCoordType = (aCoordType == IA2_COORDTYPE_SCREEN_RELATIVE) ? | |
| 461 nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE : | |
| 462 nsIAccessibleCoordinateType::COORDTYPE_PARENT_RELATIVE; | |
| 463 | |
| 464 textAcc->ScrollSubstringToPoint(aStartIndex, aEndIndex, | |
| 465 geckoCoordType, aX, aY); | |
| 466 return S_OK; | |
| 467 | |
| 468 A11Y_TRYBLOCK_END | |
| 469 } | |
| 470 | |
| 471 STDMETHODIMP | |
| 472 ia2AccessibleText::get_newText(IA2TextSegment *aNewText) | |
| 473 { | |
| 474 A11Y_TRYBLOCK_BEGIN | |
| 475 | |
| 476 return GetModifiedText(true, aNewText); | |
| 477 | |
| 478 A11Y_TRYBLOCK_END | |
| 479 } | |
| 480 | |
| 481 STDMETHODIMP | |
| 482 ia2AccessibleText::get_oldText(IA2TextSegment *aOldText) | |
| 483 { | |
| 484 A11Y_TRYBLOCK_BEGIN | |
| 485 | |
| 486 return GetModifiedText(false, aOldText); | |
| 487 | |
| 488 A11Y_TRYBLOCK_END | |
| 489 } | |
| 490 | |
| 491 // ia2AccessibleText | |
| 492 | |
| 493 HRESULT | |
| 494 ia2AccessibleText::GetModifiedText(bool aGetInsertedText, | |
| 495 IA2TextSegment *aText) | |
| 496 { | |
| 497 if (!aText) | |
| 498 return E_INVALIDARG; | |
| 499 | |
| 500 uint32_t startOffset = 0, endOffset = 0; | |
| 501 nsAutoString text; | |
| 502 | |
| 503 nsresult rv = GetModifiedText(aGetInsertedText, text, | |
| 504 &startOffset, &endOffset); | |
| 505 if (NS_FAILED(rv)) | |
| 506 return GetHRESULT(rv); | |
| 507 | |
| 508 aText->start = startOffset; | |
| 509 aText->end = endOffset; | |
| 510 | |
| 511 if (text.IsEmpty()) | |
| 512 return S_FALSE; | |
| 513 | |
| 514 aText->text = ::SysAllocStringLen(text.get(), text.Length()); | |
| 515 return aText->text ? S_OK : E_OUTOFMEMORY; | |
| 516 } | |
| 517 | |
| 518 AccessibleTextBoundary | |
| 519 ia2AccessibleText::GetGeckoTextBoundary(enum IA2TextBoundaryType aBoundaryType) | |
| 520 { | |
| 521 switch (aBoundaryType) { | |
| 522 case IA2_TEXT_BOUNDARY_CHAR: | |
| 523 return nsIAccessibleText::BOUNDARY_CHAR; | |
| 524 case IA2_TEXT_BOUNDARY_WORD: | |
| 525 return nsIAccessibleText::BOUNDARY_WORD_START; | |
| 526 case IA2_TEXT_BOUNDARY_LINE: | |
| 527 return nsIAccessibleText::BOUNDARY_LINE_START; | |
| 528 //case IA2_TEXT_BOUNDARY_SENTENCE: | |
| 529 //case IA2_TEXT_BOUNDARY_PARAGRAPH: | |
| 530 // XXX: not implemented | |
| 531 default: | |
| 532 return -1; | |
| 533 } | |
| 534 } | |
| 535 |
