OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
14 * its contributors may be used to endorse or promote products derived | 14 * its contributors may be used to endorse or promote products derived |
15 * from this software without specific prior written permission. | 15 * from this software without specific prior written permission. |
16 * | 16 * |
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 #include "modules/accessibility/AXObjectImpl.h" | 29 #include "modules/accessibility/AXObject.h" |
30 | 30 |
31 #include "SkMatrix44.h" | 31 #include "SkMatrix44.h" |
32 #include "core/InputTypeNames.h" | 32 #include "core/InputTypeNames.h" |
33 #include "core/css/resolver/StyleResolver.h" | 33 #include "core/css/resolver/StyleResolver.h" |
34 #include "core/dom/AccessibleNode.h" | 34 #include "core/dom/AccessibleNode.h" |
35 #include "core/dom/DocumentUserGestureToken.h" | 35 #include "core/dom/DocumentUserGestureToken.h" |
36 #include "core/editing/EditingUtilities.h" | 36 #include "core/editing/EditingUtilities.h" |
37 #include "core/editing/VisibleUnits.h" | 37 #include "core/editing/VisibleUnits.h" |
38 #include "core/frame/FrameView.h" | 38 #include "core/frame/FrameView.h" |
39 #include "core/frame/LocalFrame.h" | 39 #include "core/frame/LocalFrame.h" |
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284 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kRoles); ++i) | 284 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kRoles); ++i) |
285 role_map->Set(String(kRoles[i].aria_role), kRoles[i].webcore_role); | 285 role_map->Set(String(kRoles[i].aria_role), kRoles[i].webcore_role); |
286 return role_map; | 286 return role_map; |
287 } | 287 } |
288 | 288 |
289 static Vector<AtomicString>* CreateRoleNameVector() { | 289 static Vector<AtomicString>* CreateRoleNameVector() { |
290 Vector<AtomicString>* role_name_vector = new Vector<AtomicString>(kNumRoles); | 290 Vector<AtomicString>* role_name_vector = new Vector<AtomicString>(kNumRoles); |
291 for (int i = 0; i < kNumRoles; i++) | 291 for (int i = 0; i < kNumRoles; i++) |
292 (*role_name_vector)[i] = g_null_atom; | 292 (*role_name_vector)[i] = g_null_atom; |
293 | 293 |
294 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kRoles); ++i) { | 294 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kRoles); ++i) |
295 (*role_name_vector)[kRoles[i].webcore_role] = | 295 (*role_name_vector)[kRoles[i].webcore_role] = |
296 AtomicString(kRoles[i].aria_role); | 296 AtomicString(kRoles[i].aria_role); |
297 } | |
298 | 297 |
299 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kReverseRoles); ++i) { | 298 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kReverseRoles); ++i) |
300 (*role_name_vector)[kReverseRoles[i].webcore_role] = | 299 (*role_name_vector)[kReverseRoles[i].webcore_role] = |
301 AtomicString(kReverseRoles[i].aria_role); | 300 AtomicString(kReverseRoles[i].aria_role); |
302 } | |
303 | 301 |
304 return role_name_vector; | 302 return role_name_vector; |
305 } | 303 } |
306 | 304 |
307 static Vector<AtomicString>* CreateInternalRoleNameVector() { | 305 static Vector<AtomicString>* CreateInternalRoleNameVector() { |
308 Vector<AtomicString>* internal_role_name_vector = | 306 Vector<AtomicString>* internal_role_name_vector = |
309 new Vector<AtomicString>(kNumRoles); | 307 new Vector<AtomicString>(kNumRoles); |
310 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kInternalRoles); i++) { | 308 for (size_t i = 0; i < WTF_ARRAY_LENGTH(kInternalRoles); i++) |
311 (*internal_role_name_vector)[kInternalRoles[i].webcore_role] = | 309 (*internal_role_name_vector)[kInternalRoles[i].webcore_role] = |
312 AtomicString(kInternalRoles[i].internal_role_name); | 310 AtomicString(kInternalRoles[i].internal_role_name); |
313 } | |
314 | 311 |
315 return internal_role_name_vector; | 312 return internal_role_name_vector; |
316 } | 313 } |
317 | 314 |
318 const char* g_aria_widgets[] = { | 315 const char* g_aria_widgets[] = { |
319 // From http://www.w3.org/TR/wai-aria/roles#widget_roles | 316 // From http://www.w3.org/TR/wai-aria/roles#widget_roles |
320 "alert", "alertdialog", "button", "checkbox", "dialog", "gridcell", "link", | 317 "alert", "alertdialog", "button", "checkbox", "dialog", "gridcell", "link", |
321 "log", "marquee", "menuitem", "menuitemcheckbox", "menuitemradio", "option", | 318 "log", "marquee", "menuitem", "menuitemcheckbox", "menuitemradio", "option", |
322 "progressbar", "radio", "scrollbar", "slider", "spinbutton", "status", | 319 "progressbar", "radio", "scrollbar", "slider", "spinbutton", "status", |
323 "tab", "tabpanel", "textbox", "timer", "tooltip", "treeitem", | 320 "tab", "tabpanel", "textbox", "timer", "tooltip", "treeitem", |
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340 "aria-disabled", // If it's disabled, it can be made interactive. | 337 "aria-disabled", // If it's disabled, it can be made interactive. |
341 "aria-expanded", "aria-haspopup", "aria-multiselectable", | 338 "aria-expanded", "aria-haspopup", "aria-multiselectable", |
342 "aria-pressed", "aria-required", "aria-selected"}; | 339 "aria-pressed", "aria-required", "aria-selected"}; |
343 | 340 |
344 HTMLDialogElement* GetActiveDialogElement(Node* node) { | 341 HTMLDialogElement* GetActiveDialogElement(Node* node) { |
345 return node->GetDocument().ActiveModalDialog(); | 342 return node->GetDocument().ActiveModalDialog(); |
346 } | 343 } |
347 | 344 |
348 } // namespace | 345 } // namespace |
349 | 346 |
350 unsigned AXObjectImpl::number_of_live_ax_objects_ = 0; | 347 unsigned AXObject::number_of_live_ax_objects_ = 0; |
351 | 348 |
352 AXObjectImpl::AXObjectImpl(AXObjectCacheImpl& ax_object_cache) | 349 AXObject::AXObject(AXObjectCacheImpl& ax_object_cache) |
353 : id_(0), | 350 : id_(0), |
354 have_children_(false), | 351 have_children_(false), |
355 role_(kUnknownRole), | 352 role_(kUnknownRole), |
356 last_known_is_ignored_value_(kDefaultBehavior), | 353 last_known_is_ignored_value_(kDefaultBehavior), |
357 explicit_container_id_(0), | 354 explicit_container_id_(0), |
358 parent_(nullptr), | 355 parent_(nullptr), |
359 last_modification_count_(-1), | 356 last_modification_count_(-1), |
360 cached_is_ignored_(false), | 357 cached_is_ignored_(false), |
361 cached_is_inert_or_aria_hidden_(false), | 358 cached_is_inert_or_aria_hidden_(false), |
362 cached_is_descendant_of_leaf_node_(false), | 359 cached_is_descendant_of_leaf_node_(false), |
363 cached_is_descendant_of_disabled_node_(false), | 360 cached_is_descendant_of_disabled_node_(false), |
364 cached_has_inherited_presentational_role_(false), | 361 cached_has_inherited_presentational_role_(false), |
365 cached_is_presentational_child_(false), | 362 cached_is_presentational_child_(false), |
366 cached_ancestor_exposes_active_descendant_(false), | 363 cached_ancestor_exposes_active_descendant_(false), |
367 cached_live_region_root_(nullptr), | 364 cached_live_region_root_(nullptr), |
368 ax_object_cache_(&ax_object_cache) { | 365 ax_object_cache_(&ax_object_cache) { |
369 ++number_of_live_ax_objects_; | 366 ++number_of_live_ax_objects_; |
370 } | 367 } |
371 | 368 |
372 AXObjectImpl::~AXObjectImpl() { | 369 AXObject::~AXObject() { |
373 DCHECK(IsDetached()); | 370 DCHECK(IsDetached()); |
374 --number_of_live_ax_objects_; | 371 --number_of_live_ax_objects_; |
375 } | 372 } |
376 | 373 |
377 void AXObjectImpl::Detach() { | 374 void AXObject::Detach() { |
378 // Clear any children and call detachFromParent on them so that | 375 // Clear any children and call detachFromParent on them so that |
379 // no children are left with dangling pointers to their parent. | 376 // no children are left with dangling pointers to their parent. |
380 ClearChildren(); | 377 ClearChildren(); |
381 | 378 |
382 ax_object_cache_ = nullptr; | 379 ax_object_cache_ = nullptr; |
383 } | 380 } |
384 | 381 |
385 bool AXObjectImpl::IsDetached() const { | 382 bool AXObject::IsDetached() const { |
386 return !ax_object_cache_; | 383 return !ax_object_cache_; |
387 } | 384 } |
388 | 385 |
389 const AtomicString& AXObjectImpl::GetAOMPropertyOrARIAAttribute( | 386 const AtomicString& AXObject::GetAOMPropertyOrARIAAttribute( |
390 AOMStringProperty property) const { | 387 AOMStringProperty property) const { |
391 Node* node = this->GetNode(); | 388 Node* node = this->GetNode(); |
392 if (!node || !node->IsElementNode()) | 389 if (!node || !node->IsElementNode()) |
393 return g_null_atom; | 390 return g_null_atom; |
394 | 391 |
395 return AccessibleNode::GetPropertyOrARIAAttribute(ToElement(node), property); | 392 return AccessibleNode::GetPropertyOrARIAAttribute(ToElement(node), property); |
396 } | 393 } |
397 | 394 |
398 bool AXObjectImpl::IsARIATextControl() const { | 395 bool AXObject::IsARIATextControl() const { |
399 return AriaRoleAttribute() == kTextFieldRole || | 396 return AriaRoleAttribute() == kTextFieldRole || |
400 AriaRoleAttribute() == kSearchBoxRole || | 397 AriaRoleAttribute() == kSearchBoxRole || |
401 AriaRoleAttribute() == kComboBoxRole; | 398 AriaRoleAttribute() == kComboBoxRole; |
402 } | 399 } |
403 | 400 |
404 bool AXObjectImpl::IsButton() const { | 401 bool AXObject::IsButton() const { |
405 AccessibilityRole role = RoleValue(); | 402 AccessibilityRole role = RoleValue(); |
406 | 403 |
407 return role == kButtonRole || role == kPopUpButtonRole || | 404 return role == kButtonRole || role == kPopUpButtonRole || |
408 role == kToggleButtonRole; | 405 role == kToggleButtonRole; |
409 } | 406 } |
410 | 407 |
411 bool AXObjectImpl::IsCheckable() const { | 408 bool AXObject::IsCheckable() const { |
412 switch (RoleValue()) { | 409 switch (RoleValue()) { |
413 case kCheckBoxRole: | 410 case kCheckBoxRole: |
414 case kMenuItemCheckBoxRole: | 411 case kMenuItemCheckBoxRole: |
415 case kMenuItemRadioRole: | 412 case kMenuItemRadioRole: |
416 case kRadioButtonRole: | 413 case kRadioButtonRole: |
417 case kSwitchRole: | 414 case kSwitchRole: |
418 return true; | 415 return true; |
419 default: | 416 default: |
420 return false; | 417 return false; |
421 } | 418 } |
422 } | 419 } |
423 | 420 |
424 // Why this is here instead of AXNodeObject: | 421 // Why this is here instead of AXNodeObject: |
425 // Because an AXMenuListOption (<option>) can | 422 // Because an AXMenuListOption (<option>) can |
426 // have an ARIA role of menuitemcheckbox/menuitemradio | 423 // have an ARIA role of menuitemcheckbox/menuitemradio |
427 // yet does not inherit from AXNodeObject | 424 // yet does not inherit from AXNodeObject |
428 AccessibilityButtonState AXObjectImpl::CheckedState() const { | 425 AccessibilityButtonState AXObject::CheckedState() const { |
429 if (!IsCheckable()) | 426 if (!IsCheckable()) |
430 return kButtonStateOff; | 427 return kButtonStateOff; |
431 | 428 |
432 const AtomicString& checkedAttribute = | 429 const AtomicString& checkedAttribute = |
433 GetAOMPropertyOrARIAAttribute(AOMStringProperty::kChecked); | 430 GetAOMPropertyOrARIAAttribute(AOMStringProperty::kChecked); |
434 if (checkedAttribute) { | 431 if (checkedAttribute) { |
435 if (EqualIgnoringASCIICase(checkedAttribute, "true")) | 432 if (EqualIgnoringASCIICase(checkedAttribute, "true")) |
436 return kButtonStateOn; | 433 return kButtonStateOn; |
437 | 434 |
438 if (EqualIgnoringASCIICase(checkedAttribute, "mixed")) { | 435 if (EqualIgnoringASCIICase(checkedAttribute, "mixed")) { |
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454 return kButtonStateMixed; | 451 return kButtonStateMixed; |
455 | 452 |
456 if (isHTMLInputElement(*node) && | 453 if (isHTMLInputElement(*node) && |
457 toHTMLInputElement(*node).ShouldAppearChecked()) { | 454 toHTMLInputElement(*node).ShouldAppearChecked()) { |
458 return kButtonStateOn; | 455 return kButtonStateOn; |
459 } | 456 } |
460 | 457 |
461 return kButtonStateOff; | 458 return kButtonStateOff; |
462 } | 459 } |
463 | 460 |
464 bool AXObjectImpl::IsNativeInputInMixedState(const Node* node) { | 461 bool AXObject::IsNativeInputInMixedState(const Node* node) { |
465 if (!isHTMLInputElement(node)) | 462 if (!isHTMLInputElement(node)) |
466 return false; | 463 return false; |
467 | 464 |
468 const HTMLInputElement* input = toHTMLInputElement(node); | 465 const HTMLInputElement* input = toHTMLInputElement(node); |
469 const auto inputType = input->type(); | 466 const auto inputType = input->type(); |
470 if (inputType != InputTypeNames::checkbox && | 467 if (inputType != InputTypeNames::checkbox && |
471 inputType != InputTypeNames::radio) | 468 inputType != InputTypeNames::radio) |
472 return false; | 469 return false; |
473 return input->ShouldAppearIndeterminate(); | 470 return input->ShouldAppearIndeterminate(); |
474 } | 471 } |
475 | 472 |
476 bool AXObjectImpl::IsLandmarkRelated() const { | 473 bool AXObject::IsLandmarkRelated() const { |
477 switch (RoleValue()) { | 474 switch (RoleValue()) { |
478 case kApplicationRole: | 475 case kApplicationRole: |
479 case kArticleRole: | 476 case kArticleRole: |
480 case kBannerRole: | 477 case kBannerRole: |
481 case kComplementaryRole: | 478 case kComplementaryRole: |
482 case kContentInfoRole: | 479 case kContentInfoRole: |
483 case kFooterRole: | 480 case kFooterRole: |
484 case kFormRole: | 481 case kFormRole: |
485 case kMainRole: | 482 case kMainRole: |
486 case kNavigationRole: | 483 case kNavigationRole: |
487 case kRegionRole: | 484 case kRegionRole: |
488 case kSearchRole: | 485 case kSearchRole: |
489 return true; | 486 return true; |
490 default: | 487 default: |
491 return false; | 488 return false; |
492 } | 489 } |
493 } | 490 } |
494 | 491 |
495 bool AXObjectImpl::IsMenuRelated() const { | 492 bool AXObject::IsMenuRelated() const { |
496 switch (RoleValue()) { | 493 switch (RoleValue()) { |
497 case kMenuRole: | 494 case kMenuRole: |
498 case kMenuBarRole: | 495 case kMenuBarRole: |
499 case kMenuButtonRole: | 496 case kMenuButtonRole: |
500 case kMenuItemRole: | 497 case kMenuItemRole: |
501 case kMenuItemCheckBoxRole: | 498 case kMenuItemCheckBoxRole: |
502 case kMenuItemRadioRole: | 499 case kMenuItemRadioRole: |
503 return true; | 500 return true; |
504 default: | 501 default: |
505 return false; | 502 return false; |
506 } | 503 } |
507 } | 504 } |
508 | 505 |
509 bool AXObjectImpl::IsPasswordFieldAndShouldHideValue() const { | 506 bool AXObject::IsPasswordFieldAndShouldHideValue() const { |
510 Settings* settings = GetDocument()->GetSettings(); | 507 Settings* settings = GetDocument()->GetSettings(); |
511 if (!settings || settings->GetAccessibilityPasswordValuesEnabled()) | 508 if (!settings || settings->GetAccessibilityPasswordValuesEnabled()) |
512 return false; | 509 return false; |
513 | 510 |
514 return IsPasswordField(); | 511 return IsPasswordField(); |
515 } | 512 } |
516 | 513 |
517 bool AXObjectImpl::IsClickable() const { | 514 bool AXObject::IsClickable() const { |
518 switch (RoleValue()) { | 515 switch (RoleValue()) { |
519 case kButtonRole: | 516 case kButtonRole: |
520 case kCheckBoxRole: | 517 case kCheckBoxRole: |
521 case kColorWellRole: | 518 case kColorWellRole: |
522 case kComboBoxRole: | 519 case kComboBoxRole: |
523 case kImageMapLinkRole: | 520 case kImageMapLinkRole: |
524 case kLinkRole: | 521 case kLinkRole: |
525 case kListBoxOptionRole: | 522 case kListBoxOptionRole: |
526 case kMenuButtonRole: | 523 case kMenuButtonRole: |
527 case kPopUpButtonRole: | 524 case kPopUpButtonRole: |
528 case kRadioButtonRole: | 525 case kRadioButtonRole: |
529 case kSpinButtonRole: | 526 case kSpinButtonRole: |
530 case kTabRole: | 527 case kTabRole: |
531 case kTextFieldRole: | 528 case kTextFieldRole: |
532 case kToggleButtonRole: | 529 case kToggleButtonRole: |
533 return true; | 530 return true; |
534 default: | 531 default: |
535 return false; | 532 return false; |
536 } | 533 } |
537 } | 534 } |
538 | 535 |
539 bool AXObjectImpl::AccessibilityIsIgnored() const { | 536 bool AXObject::AccessibilityIsIgnored() const { |
540 UpdateCachedAttributeValuesIfNeeded(); | 537 UpdateCachedAttributeValuesIfNeeded(); |
541 return cached_is_ignored_; | 538 return cached_is_ignored_; |
542 } | 539 } |
543 | 540 |
544 void AXObjectImpl::UpdateCachedAttributeValuesIfNeeded() const { | 541 void AXObject::UpdateCachedAttributeValuesIfNeeded() const { |
545 if (IsDetached()) | 542 if (IsDetached()) |
546 return; | 543 return; |
547 | 544 |
548 AXObjectCacheImpl& cache = AxObjectCache(); | 545 AXObjectCacheImpl& cache = AxObjectCache(); |
549 | 546 |
550 if (cache.ModificationCount() == last_modification_count_) | 547 if (cache.ModificationCount() == last_modification_count_) |
551 return; | 548 return; |
552 | 549 |
553 last_modification_count_ = cache.ModificationCount(); | 550 last_modification_count_ = cache.ModificationCount(); |
554 cached_background_color_ = ComputeBackgroundColor(); | 551 cached_background_color_ = ComputeBackgroundColor(); |
555 cached_is_inert_or_aria_hidden_ = ComputeIsInertOrAriaHidden(); | 552 cached_is_inert_or_aria_hidden_ = ComputeIsInertOrAriaHidden(); |
556 cached_is_descendant_of_leaf_node_ = (LeafNodeAncestor() != 0); | 553 cached_is_descendant_of_leaf_node_ = (LeafNodeAncestor() != 0); |
557 cached_is_descendant_of_disabled_node_ = (DisabledAncestor() != 0); | 554 cached_is_descendant_of_disabled_node_ = (DisabledAncestor() != 0); |
558 cached_has_inherited_presentational_role_ = | 555 cached_has_inherited_presentational_role_ = |
559 (InheritsPresentationalRoleFrom() != 0); | 556 (InheritsPresentationalRoleFrom() != 0); |
560 cached_is_presentational_child_ = | 557 cached_is_presentational_child_ = |
561 (AncestorForWhichThisIsAPresentationalChild() != 0); | 558 (AncestorForWhichThisIsAPresentationalChild() != 0); |
562 cached_is_ignored_ = ComputeAccessibilityIsIgnored(); | 559 cached_is_ignored_ = ComputeAccessibilityIsIgnored(); |
563 cached_live_region_root_ = | 560 cached_live_region_root_ = |
564 IsLiveRegion() | 561 IsLiveRegion() |
565 ? const_cast<AXObjectImpl*>(this) | 562 ? const_cast<AXObject*>(this) |
566 : (ParentObjectIfExists() ? ParentObjectIfExists()->LiveRegionRoot() | 563 : (ParentObjectIfExists() ? ParentObjectIfExists()->LiveRegionRoot() |
567 : 0); | 564 : 0); |
568 cached_ancestor_exposes_active_descendant_ = | 565 cached_ancestor_exposes_active_descendant_ = |
569 ComputeAncestorExposesActiveDescendant(); | 566 ComputeAncestorExposesActiveDescendant(); |
570 } | 567 } |
571 | 568 |
572 bool AXObjectImpl::AccessibilityIsIgnoredByDefault( | 569 bool AXObject::AccessibilityIsIgnoredByDefault( |
573 IgnoredReasons* ignored_reasons) const { | 570 IgnoredReasons* ignored_reasons) const { |
574 return DefaultObjectInclusion(ignored_reasons) == kIgnoreObject; | 571 return DefaultObjectInclusion(ignored_reasons) == kIgnoreObject; |
575 } | 572 } |
576 | 573 |
577 AXObjectInclusion AXObjectImpl::AccessibilityPlatformIncludesObject() const { | 574 AXObjectInclusion AXObject::AccessibilityPlatformIncludesObject() const { |
578 if (IsMenuListPopup() || IsMenuListOption()) | 575 if (IsMenuListPopup() || IsMenuListOption()) |
579 return kIncludeObject; | 576 return kIncludeObject; |
580 | 577 |
581 return kDefaultBehavior; | 578 return kDefaultBehavior; |
582 } | 579 } |
583 | 580 |
584 AXObjectInclusion AXObjectImpl::DefaultObjectInclusion( | 581 AXObjectInclusion AXObject::DefaultObjectInclusion( |
585 IgnoredReasons* ignored_reasons) const { | 582 IgnoredReasons* ignored_reasons) const { |
586 if (IsInertOrAriaHidden()) { | 583 if (IsInertOrAriaHidden()) { |
587 if (ignored_reasons) | 584 if (ignored_reasons) |
588 ComputeIsInertOrAriaHidden(ignored_reasons); | 585 ComputeIsInertOrAriaHidden(ignored_reasons); |
589 return kIgnoreObject; | 586 return kIgnoreObject; |
590 } | 587 } |
591 | 588 |
592 if (IsPresentationalChild()) { | 589 if (IsPresentationalChild()) { |
593 if (ignored_reasons) { | 590 if (ignored_reasons) { |
594 AXObjectImpl* ancestor = AncestorForWhichThisIsAPresentationalChild(); | 591 AXObject* ancestor = AncestorForWhichThisIsAPresentationalChild(); |
595 ignored_reasons->push_back( | 592 ignored_reasons->push_back( |
596 IgnoredReason(kAXAncestorDisallowsChild, ancestor)); | 593 IgnoredReason(kAXAncestorDisallowsChild, ancestor)); |
597 } | 594 } |
598 return kIgnoreObject; | 595 return kIgnoreObject; |
599 } | 596 } |
600 | 597 |
601 return AccessibilityPlatformIncludesObject(); | 598 return AccessibilityPlatformIncludesObject(); |
602 } | 599 } |
603 | 600 |
604 bool AXObjectImpl::IsInertOrAriaHidden() const { | 601 bool AXObject::IsInertOrAriaHidden() const { |
605 UpdateCachedAttributeValuesIfNeeded(); | 602 UpdateCachedAttributeValuesIfNeeded(); |
606 return cached_is_inert_or_aria_hidden_; | 603 return cached_is_inert_or_aria_hidden_; |
607 } | 604 } |
608 | 605 |
609 bool AXObjectImpl::ComputeIsInertOrAriaHidden( | 606 bool AXObject::ComputeIsInertOrAriaHidden( |
610 IgnoredReasons* ignored_reasons) const { | 607 IgnoredReasons* ignored_reasons) const { |
611 if (GetNode()) { | 608 if (GetNode()) { |
612 if (GetNode()->IsInert()) { | 609 if (GetNode()->IsInert()) { |
613 if (ignored_reasons) { | 610 if (ignored_reasons) { |
614 HTMLDialogElement* dialog = GetActiveDialogElement(GetNode()); | 611 HTMLDialogElement* dialog = GetActiveDialogElement(GetNode()); |
615 if (dialog) { | 612 if (dialog) { |
616 AXObjectImpl* dialog_object = AxObjectCache().GetOrCreate(dialog); | 613 AXObject* dialog_object = AxObjectCache().GetOrCreate(dialog); |
617 if (dialog_object) { | 614 if (dialog_object) |
618 ignored_reasons->push_back( | 615 ignored_reasons->push_back( |
619 IgnoredReason(kAXActiveModalDialog, dialog_object)); | 616 IgnoredReason(kAXActiveModalDialog, dialog_object)); |
620 } else { | 617 else |
621 ignored_reasons->push_back(IgnoredReason(kAXInert)); | 618 ignored_reasons->push_back(IgnoredReason(kAXInert)); |
622 } | |
623 } else { | 619 } else { |
624 // TODO(aboxhall): handle inert attribute if it eventuates | 620 // TODO(aboxhall): handle inert attribute if it eventuates |
625 ignored_reasons->push_back(IgnoredReason(kAXInert)); | 621 ignored_reasons->push_back(IgnoredReason(kAXInert)); |
626 } | 622 } |
627 } | 623 } |
628 return true; | 624 return true; |
629 } | 625 } |
630 } else { | 626 } else { |
631 AXObjectImpl* parent = ParentObject(); | 627 AXObject* parent = ParentObject(); |
632 if (parent && parent->IsInertOrAriaHidden()) { | 628 if (parent && parent->IsInertOrAriaHidden()) { |
633 if (ignored_reasons) | 629 if (ignored_reasons) |
634 parent->ComputeIsInertOrAriaHidden(ignored_reasons); | 630 parent->ComputeIsInertOrAriaHidden(ignored_reasons); |
635 return true; | 631 return true; |
636 } | 632 } |
637 } | 633 } |
638 | 634 |
639 const AXObjectImpl* hidden_root = AriaHiddenRoot(); | 635 const AXObject* hidden_root = AriaHiddenRoot(); |
640 if (hidden_root) { | 636 if (hidden_root) { |
641 if (ignored_reasons) { | 637 if (ignored_reasons) { |
642 if (hidden_root == this) { | 638 if (hidden_root == this) |
643 ignored_reasons->push_back(IgnoredReason(kAXAriaHidden)); | 639 ignored_reasons->push_back(IgnoredReason(kAXAriaHidden)); |
644 } else { | 640 else |
645 ignored_reasons->push_back( | 641 ignored_reasons->push_back( |
646 IgnoredReason(kAXAriaHiddenRoot, hidden_root)); | 642 IgnoredReason(kAXAriaHiddenRoot, hidden_root)); |
647 } | |
648 } | 643 } |
649 return true; | 644 return true; |
650 } | 645 } |
651 | 646 |
652 return false; | 647 return false; |
653 } | 648 } |
654 | 649 |
655 bool AXObjectImpl::IsDescendantOfLeafNode() const { | 650 bool AXObject::IsDescendantOfLeafNode() const { |
656 UpdateCachedAttributeValuesIfNeeded(); | 651 UpdateCachedAttributeValuesIfNeeded(); |
657 return cached_is_descendant_of_leaf_node_; | 652 return cached_is_descendant_of_leaf_node_; |
658 } | 653 } |
659 | 654 |
660 AXObjectImpl* AXObjectImpl::LeafNodeAncestor() const { | 655 AXObject* AXObject::LeafNodeAncestor() const { |
661 if (AXObjectImpl* parent = ParentObject()) { | 656 if (AXObject* parent = ParentObject()) { |
662 if (!parent->CanHaveChildren()) | 657 if (!parent->CanHaveChildren()) |
663 return parent; | 658 return parent; |
664 | 659 |
665 return parent->LeafNodeAncestor(); | 660 return parent->LeafNodeAncestor(); |
666 } | 661 } |
667 | 662 |
668 return 0; | 663 return 0; |
669 } | 664 } |
670 | 665 |
671 const AXObjectImpl* AXObjectImpl::AriaHiddenRoot() const { | 666 const AXObject* AXObject::AriaHiddenRoot() const { |
672 for (const AXObjectImpl* object = this; object; | 667 for (const AXObject* object = this; object; object = object->ParentObject()) { |
673 object = object->ParentObject()) { | |
674 if (EqualIgnoringASCIICase(object->GetAttribute(aria_hiddenAttr), "true")) | 668 if (EqualIgnoringASCIICase(object->GetAttribute(aria_hiddenAttr), "true")) |
675 return object; | 669 return object; |
676 } | 670 } |
677 | 671 |
678 return 0; | 672 return 0; |
679 } | 673 } |
680 | 674 |
681 bool AXObjectImpl::IsDescendantOfDisabledNode() const { | 675 bool AXObject::IsDescendantOfDisabledNode() const { |
682 UpdateCachedAttributeValuesIfNeeded(); | 676 UpdateCachedAttributeValuesIfNeeded(); |
683 return cached_is_descendant_of_disabled_node_; | 677 return cached_is_descendant_of_disabled_node_; |
684 } | 678 } |
685 | 679 |
686 const AXObjectImpl* AXObjectImpl::DisabledAncestor() const { | 680 const AXObject* AXObject::DisabledAncestor() const { |
687 const AtomicString& disabled = GetAttribute(aria_disabledAttr); | 681 const AtomicString& disabled = GetAttribute(aria_disabledAttr); |
688 if (EqualIgnoringASCIICase(disabled, "true")) | 682 if (EqualIgnoringASCIICase(disabled, "true")) |
689 return this; | 683 return this; |
690 if (EqualIgnoringASCIICase(disabled, "false")) | 684 if (EqualIgnoringASCIICase(disabled, "false")) |
691 return 0; | 685 return 0; |
692 | 686 |
693 if (AXObjectImpl* parent = ParentObject()) | 687 if (AXObject* parent = ParentObject()) |
694 return parent->DisabledAncestor(); | 688 return parent->DisabledAncestor(); |
695 | 689 |
696 return 0; | 690 return 0; |
697 } | 691 } |
698 | 692 |
699 bool AXObjectImpl::LastKnownIsIgnoredValue() { | 693 bool AXObject::LastKnownIsIgnoredValue() { |
700 if (last_known_is_ignored_value_ == kDefaultBehavior) { | 694 if (last_known_is_ignored_value_ == kDefaultBehavior) |
701 last_known_is_ignored_value_ = | 695 last_known_is_ignored_value_ = |
702 AccessibilityIsIgnored() ? kIgnoreObject : kIncludeObject; | 696 AccessibilityIsIgnored() ? kIgnoreObject : kIncludeObject; |
703 } | |
704 | 697 |
705 return last_known_is_ignored_value_ == kIgnoreObject; | 698 return last_known_is_ignored_value_ == kIgnoreObject; |
706 } | 699 } |
707 | 700 |
708 void AXObjectImpl::SetLastKnownIsIgnoredValue(bool is_ignored) { | 701 void AXObject::SetLastKnownIsIgnoredValue(bool is_ignored) { |
709 last_known_is_ignored_value_ = is_ignored ? kIgnoreObject : kIncludeObject; | 702 last_known_is_ignored_value_ = is_ignored ? kIgnoreObject : kIncludeObject; |
710 } | 703 } |
711 | 704 |
712 bool AXObjectImpl::HasInheritedPresentationalRole() const { | 705 bool AXObject::HasInheritedPresentationalRole() const { |
713 UpdateCachedAttributeValuesIfNeeded(); | 706 UpdateCachedAttributeValuesIfNeeded(); |
714 return cached_has_inherited_presentational_role_; | 707 return cached_has_inherited_presentational_role_; |
715 } | 708 } |
716 | 709 |
717 bool AXObjectImpl::IsPresentationalChild() const { | 710 bool AXObject::IsPresentationalChild() const { |
718 UpdateCachedAttributeValuesIfNeeded(); | 711 UpdateCachedAttributeValuesIfNeeded(); |
719 return cached_is_presentational_child_; | 712 return cached_is_presentational_child_; |
720 } | 713 } |
721 | 714 |
722 bool AXObjectImpl::AncestorExposesActiveDescendant() const { | 715 bool AXObject::AncestorExposesActiveDescendant() const { |
723 UpdateCachedAttributeValuesIfNeeded(); | 716 UpdateCachedAttributeValuesIfNeeded(); |
724 return cached_ancestor_exposes_active_descendant_; | 717 return cached_ancestor_exposes_active_descendant_; |
725 } | 718 } |
726 | 719 |
727 bool AXObjectImpl::ComputeAncestorExposesActiveDescendant() const { | 720 bool AXObject::ComputeAncestorExposesActiveDescendant() const { |
728 const AXObjectImpl* parent = ParentObjectUnignored(); | 721 const AXObject* parent = ParentObjectUnignored(); |
729 if (!parent) | 722 if (!parent) |
730 return false; | 723 return false; |
731 | 724 |
732 if (parent->SupportsActiveDescendant() && | 725 if (parent->SupportsActiveDescendant() && |
733 !parent->GetAttribute(aria_activedescendantAttr).IsEmpty()) { | 726 !parent->GetAttribute(aria_activedescendantAttr).IsEmpty()) { |
734 return true; | 727 return true; |
735 } | 728 } |
736 | 729 |
737 return parent->AncestorExposesActiveDescendant(); | 730 return parent->AncestorExposesActiveDescendant(); |
738 } | 731 } |
739 | 732 |
740 // Simplify whitespace, but preserve a single leading and trailing whitespace | 733 // Simplify whitespace, but preserve a single leading and trailing whitespace |
741 // character if it's present. | 734 // character if it's present. |
742 // static | 735 // static |
743 String AXObjectImpl::CollapseWhitespace(const String& str) { | 736 String AXObject::CollapseWhitespace(const String& str) { |
744 StringBuilder result; | 737 StringBuilder result; |
745 if (!str.IsEmpty() && IsHTMLSpace<UChar>(str[0])) | 738 if (!str.IsEmpty() && IsHTMLSpace<UChar>(str[0])) |
746 result.Append(' '); | 739 result.Append(' '); |
747 result.Append(str.SimplifyWhiteSpace(IsHTMLSpace<UChar>)); | 740 result.Append(str.SimplifyWhiteSpace(IsHTMLSpace<UChar>)); |
748 if (!str.IsEmpty() && IsHTMLSpace<UChar>(str[str.length() - 1])) | 741 if (!str.IsEmpty() && IsHTMLSpace<UChar>(str[str.length() - 1])) |
749 result.Append(' '); | 742 result.Append(' '); |
750 return result.ToString(); | 743 return result.ToString(); |
751 } | 744 } |
752 | 745 |
753 String AXObjectImpl::ComputedName() const { | 746 String AXObject::ComputedName() const { |
754 AXNameFrom name_from; | 747 AXNameFrom name_from; |
755 AXObjectImpl::AXObjectVector name_objects; | 748 AXObject::AXObjectVector name_objects; |
756 return GetName(name_from, &name_objects); | 749 return GetName(name_from, &name_objects); |
757 } | 750 } |
758 | 751 |
759 String AXObjectImpl::GetName(AXNameFrom& name_from, | 752 String AXObject::GetName(AXNameFrom& name_from, |
760 AXObjectImpl::AXObjectVector* name_objects) const { | 753 AXObject::AXObjectVector* name_objects) const { |
761 HeapHashSet<Member<const AXObjectImpl>> visited; | 754 HeapHashSet<Member<const AXObject>> visited; |
762 AXRelatedObjectVector related_objects; | 755 AXRelatedObjectVector related_objects; |
763 String text = TextAlternative(false, false, visited, name_from, | 756 String text = TextAlternative(false, false, visited, name_from, |
764 &related_objects, nullptr); | 757 &related_objects, nullptr); |
765 | 758 |
766 AccessibilityRole role = RoleValue(); | 759 AccessibilityRole role = RoleValue(); |
767 if (!GetNode() || (!isHTMLBRElement(GetNode()) && role != kStaticTextRole && | 760 if (!GetNode() || (!isHTMLBRElement(GetNode()) && role != kStaticTextRole && |
768 role != kInlineTextBoxRole)) | 761 role != kInlineTextBoxRole)) |
769 text = CollapseWhitespace(text); | 762 text = CollapseWhitespace(text); |
770 | 763 |
771 if (name_objects) { | 764 if (name_objects) { |
772 name_objects->clear(); | 765 name_objects->clear(); |
773 for (size_t i = 0; i < related_objects.size(); i++) | 766 for (size_t i = 0; i < related_objects.size(); i++) |
774 name_objects->push_back(related_objects[i]->object); | 767 name_objects->push_back(related_objects[i]->object); |
775 } | 768 } |
776 | 769 |
777 return text; | 770 return text; |
778 } | 771 } |
779 | 772 |
780 String AXObjectImpl::GetName(NameSources* name_sources) const { | 773 String AXObject::GetName(NameSources* name_sources) const { |
781 AXObjectSet visited; | 774 AXObjectSet visited; |
782 AXNameFrom tmp_name_from; | 775 AXNameFrom tmp_name_from; |
783 AXRelatedObjectVector tmp_related_objects; | 776 AXRelatedObjectVector tmp_related_objects; |
784 String text = TextAlternative(false, false, visited, tmp_name_from, | 777 String text = TextAlternative(false, false, visited, tmp_name_from, |
785 &tmp_related_objects, name_sources); | 778 &tmp_related_objects, name_sources); |
786 text = text.SimplifyWhiteSpace(IsHTMLSpace<UChar>); | 779 text = text.SimplifyWhiteSpace(IsHTMLSpace<UChar>); |
787 return text; | 780 return text; |
788 } | 781 } |
789 | 782 |
790 String AXObjectImpl::RecursiveTextAlternative( | 783 String AXObject::RecursiveTextAlternative(const AXObject& ax_obj, |
791 const AXObjectImpl& ax_obj, | 784 bool in_aria_labelled_by_traversal, |
792 bool in_aria_labelled_by_traversal, | 785 AXObjectSet& visited) { |
793 AXObjectSet& visited) { | |
794 if (visited.Contains(&ax_obj) && !in_aria_labelled_by_traversal) | 786 if (visited.Contains(&ax_obj) && !in_aria_labelled_by_traversal) |
795 return String(); | 787 return String(); |
796 | 788 |
797 AXNameFrom tmp_name_from; | 789 AXNameFrom tmp_name_from; |
798 return ax_obj.TextAlternative(true, in_aria_labelled_by_traversal, visited, | 790 return ax_obj.TextAlternative(true, in_aria_labelled_by_traversal, visited, |
799 tmp_name_from, nullptr, nullptr); | 791 tmp_name_from, nullptr, nullptr); |
800 } | 792 } |
801 | 793 |
802 bool AXObjectImpl::IsHiddenForTextAlternativeCalculation() const { | 794 bool AXObject::IsHiddenForTextAlternativeCalculation() const { |
803 if (EqualIgnoringASCIICase(GetAttribute(aria_hiddenAttr), "false")) | 795 if (EqualIgnoringASCIICase(GetAttribute(aria_hiddenAttr), "false")) |
804 return false; | 796 return false; |
805 | 797 |
806 if (GetLayoutObject()) | 798 if (GetLayoutObject()) |
807 return GetLayoutObject()->Style()->Visibility() != EVisibility::kVisible; | 799 return GetLayoutObject()->Style()->Visibility() != EVisibility::kVisible; |
808 | 800 |
809 // This is an obscure corner case: if a node has no LayoutObject, that means | 801 // This is an obscure corner case: if a node has no LayoutObject, that means |
810 // it's not rendered, but we still may be exploring it as part of a text | 802 // it's not rendered, but we still may be exploring it as part of a text |
811 // alternative calculation, for example if it was explicitly referenced by | 803 // alternative calculation, for example if it was explicitly referenced by |
812 // aria-labelledby. So we need to explicitly call the style resolver to check | 804 // aria-labelledby. So we need to explicitly call the style resolver to check |
813 // whether it's invisible or display:none, rather than relying on the style | 805 // whether it's invisible or display:none, rather than relying on the style |
814 // cached in the LayoutObject. | 806 // cached in the LayoutObject. |
815 Document* document = GetDocument(); | 807 Document* document = GetDocument(); |
816 if (!document || !document->GetFrame()) | 808 if (!document || !document->GetFrame()) |
817 return false; | 809 return false; |
818 if (Node* node = GetNode()) { | 810 if (Node* node = GetNode()) { |
819 if (node->isConnected() && node->IsElementNode()) { | 811 if (node->isConnected() && node->IsElementNode()) { |
820 RefPtr<ComputedStyle> style = | 812 RefPtr<ComputedStyle> style = |
821 document->EnsureStyleResolver().StyleForElement(ToElement(node)); | 813 document->EnsureStyleResolver().StyleForElement(ToElement(node)); |
822 return style->Display() == EDisplay::kNone || | 814 return style->Display() == EDisplay::kNone || |
823 style->Visibility() != EVisibility::kVisible; | 815 style->Visibility() != EVisibility::kVisible; |
824 } | 816 } |
825 } | 817 } |
826 return false; | 818 return false; |
827 } | 819 } |
828 | 820 |
829 String AXObjectImpl::AriaTextAlternative(bool recursive, | 821 String AXObject::AriaTextAlternative(bool recursive, |
830 bool in_aria_labelled_by_traversal, | 822 bool in_aria_labelled_by_traversal, |
831 AXObjectSet& visited, | 823 AXObjectSet& visited, |
832 AXNameFrom& name_from, | 824 AXNameFrom& name_from, |
833 AXRelatedObjectVector* related_objects, | 825 AXRelatedObjectVector* related_objects, |
834 NameSources* name_sources, | 826 NameSources* name_sources, |
835 bool* found_text_alternative) const { | 827 bool* found_text_alternative) const { |
836 String text_alternative; | 828 String text_alternative; |
837 bool already_visited = visited.Contains(this); | 829 bool already_visited = visited.Contains(this); |
838 visited.insert(this); | 830 visited.insert(this); |
839 | 831 |
840 // Step 2A from: http://www.w3.org/TR/accname-aam-1.1 | 832 // Step 2A from: http://www.w3.org/TR/accname-aam-1.1 |
841 // If you change this logic, update AXNodeObject::nameFromLabelElement, too. | 833 // If you change this logic, update AXNodeObject::nameFromLabelElement, too. |
842 if (!in_aria_labelled_by_traversal && | 834 if (!in_aria_labelled_by_traversal && |
843 IsHiddenForTextAlternativeCalculation()) { | 835 IsHiddenForTextAlternativeCalculation()) { |
844 *found_text_alternative = true; | 836 *found_text_alternative = true; |
845 return String(); | 837 return String(); |
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905 *found_text_alternative = true; | 897 *found_text_alternative = true; |
906 } else { | 898 } else { |
907 *found_text_alternative = true; | 899 *found_text_alternative = true; |
908 return text_alternative; | 900 return text_alternative; |
909 } | 901 } |
910 } | 902 } |
911 | 903 |
912 return text_alternative; | 904 return text_alternative; |
913 } | 905 } |
914 | 906 |
915 String AXObjectImpl::TextFromElements( | 907 String AXObject::TextFromElements( |
916 bool in_aria_labelledby_traversal, | 908 bool in_aria_labelledby_traversal, |
917 AXObjectSet& visited, | 909 AXObjectSet& visited, |
918 HeapVector<Member<Element>>& elements, | 910 HeapVector<Member<Element>>& elements, |
919 AXRelatedObjectVector* related_objects) const { | 911 AXRelatedObjectVector* related_objects) const { |
920 StringBuilder accumulated_text; | 912 StringBuilder accumulated_text; |
921 bool found_valid_element = false; | 913 bool found_valid_element = false; |
922 AXRelatedObjectVector local_related_objects; | 914 AXRelatedObjectVector local_related_objects; |
923 | 915 |
924 for (const auto& element : elements) { | 916 for (const auto& element : elements) { |
925 AXObjectImpl* ax_element = AxObjectCache().GetOrCreate(element); | 917 AXObject* ax_element = AxObjectCache().GetOrCreate(element); |
926 if (ax_element) { | 918 if (ax_element) { |
927 found_valid_element = true; | 919 found_valid_element = true; |
928 | 920 |
929 String result = RecursiveTextAlternative( | 921 String result = RecursiveTextAlternative( |
930 *ax_element, in_aria_labelledby_traversal, visited); | 922 *ax_element, in_aria_labelledby_traversal, visited); |
931 local_related_objects.push_back( | 923 local_related_objects.push_back( |
932 new NameSourceRelatedObject(ax_element, result)); | 924 new NameSourceRelatedObject(ax_element, result)); |
933 if (!result.IsEmpty()) { | 925 if (!result.IsEmpty()) { |
934 if (!accumulated_text.IsEmpty()) | 926 if (!accumulated_text.IsEmpty()) |
935 accumulated_text.Append(' '); | 927 accumulated_text.Append(' '); |
936 accumulated_text.Append(result); | 928 accumulated_text.Append(result); |
937 } | 929 } |
938 } | 930 } |
939 } | 931 } |
940 if (!found_valid_element) | 932 if (!found_valid_element) |
941 return String(); | 933 return String(); |
942 if (related_objects) | 934 if (related_objects) |
943 *related_objects = local_related_objects; | 935 *related_objects = local_related_objects; |
944 return accumulated_text.ToString(); | 936 return accumulated_text.ToString(); |
945 } | 937 } |
946 | 938 |
947 void AXObjectImpl::TokenVectorFromAttribute( | 939 void AXObject::TokenVectorFromAttribute(Vector<String>& tokens, |
948 Vector<String>& tokens, | 940 const QualifiedName& attribute) const { |
949 const QualifiedName& attribute) const { | |
950 Node* node = this->GetNode(); | 941 Node* node = this->GetNode(); |
951 if (!node || !node->IsElementNode()) | 942 if (!node || !node->IsElementNode()) |
952 return; | 943 return; |
953 | 944 |
954 String attribute_value = GetAttribute(attribute).GetString(); | 945 String attribute_value = GetAttribute(attribute).GetString(); |
955 if (attribute_value.IsEmpty()) | 946 if (attribute_value.IsEmpty()) |
956 return; | 947 return; |
957 | 948 |
958 attribute_value.SimplifyWhiteSpace(); | 949 attribute_value.SimplifyWhiteSpace(); |
959 attribute_value.Split(' ', tokens); | 950 attribute_value.Split(' ', tokens); |
960 } | 951 } |
961 | 952 |
962 void AXObjectImpl::ElementsFromAttribute(HeapVector<Member<Element>>& elements, | 953 void AXObject::ElementsFromAttribute(HeapVector<Member<Element>>& elements, |
963 const QualifiedName& attribute) const { | 954 const QualifiedName& attribute) const { |
964 Vector<String> ids; | 955 Vector<String> ids; |
965 TokenVectorFromAttribute(ids, attribute); | 956 TokenVectorFromAttribute(ids, attribute); |
966 if (ids.IsEmpty()) | 957 if (ids.IsEmpty()) |
967 return; | 958 return; |
968 | 959 |
969 TreeScope& scope = GetNode()->GetTreeScope(); | 960 TreeScope& scope = GetNode()->GetTreeScope(); |
970 for (const auto& id : ids) { | 961 for (const auto& id : ids) { |
971 if (Element* id_element = scope.getElementById(AtomicString(id))) | 962 if (Element* id_element = scope.getElementById(AtomicString(id))) |
972 elements.push_back(id_element); | 963 elements.push_back(id_element); |
973 } | 964 } |
974 } | 965 } |
975 | 966 |
976 void AXObjectImpl::AriaLabelledbyElementVector( | 967 void AXObject::AriaLabelledbyElementVector( |
977 HeapVector<Member<Element>>& elements) const { | 968 HeapVector<Member<Element>>& elements) const { |
978 // Try both spellings, but prefer aria-labelledby, which is the official spec. | 969 // Try both spellings, but prefer aria-labelledby, which is the official spec. |
979 ElementsFromAttribute(elements, aria_labelledbyAttr); | 970 ElementsFromAttribute(elements, aria_labelledbyAttr); |
980 if (!elements.size()) | 971 if (!elements.size()) |
981 ElementsFromAttribute(elements, aria_labeledbyAttr); | 972 ElementsFromAttribute(elements, aria_labeledbyAttr); |
982 } | 973 } |
983 | 974 |
984 String AXObjectImpl::TextFromAriaLabelledby( | 975 String AXObject::TextFromAriaLabelledby( |
985 AXObjectSet& visited, | 976 AXObjectSet& visited, |
986 AXRelatedObjectVector* related_objects) const { | 977 AXRelatedObjectVector* related_objects) const { |
987 HeapVector<Member<Element>> elements; | 978 HeapVector<Member<Element>> elements; |
988 AriaLabelledbyElementVector(elements); | 979 AriaLabelledbyElementVector(elements); |
989 return TextFromElements(true, visited, elements, related_objects); | 980 return TextFromElements(true, visited, elements, related_objects); |
990 } | 981 } |
991 | 982 |
992 String AXObjectImpl::TextFromAriaDescribedby( | 983 String AXObject::TextFromAriaDescribedby( |
993 AXRelatedObjectVector* related_objects) const { | 984 AXRelatedObjectVector* related_objects) const { |
994 AXObjectSet visited; | 985 AXObjectSet visited; |
995 HeapVector<Member<Element>> elements; | 986 HeapVector<Member<Element>> elements; |
996 ElementsFromAttribute(elements, aria_describedbyAttr); | 987 ElementsFromAttribute(elements, aria_describedbyAttr); |
997 return TextFromElements(true, visited, elements, related_objects); | 988 return TextFromElements(true, visited, elements, related_objects); |
998 } | 989 } |
999 | 990 |
1000 RGBA32 AXObjectImpl::BackgroundColor() const { | 991 RGBA32 AXObject::BackgroundColor() const { |
1001 UpdateCachedAttributeValuesIfNeeded(); | 992 UpdateCachedAttributeValuesIfNeeded(); |
1002 return cached_background_color_; | 993 return cached_background_color_; |
1003 } | 994 } |
1004 | 995 |
1005 AccessibilityOrientation AXObjectImpl::Orientation() const { | 996 AccessibilityOrientation AXObject::Orientation() const { |
1006 // In ARIA 1.1, the default value for aria-orientation changed from | 997 // In ARIA 1.1, the default value for aria-orientation changed from |
1007 // horizontal to undefined. | 998 // horizontal to undefined. |
1008 return kAccessibilityOrientationUndefined; | 999 return kAccessibilityOrientationUndefined; |
1009 } | 1000 } |
1010 | 1001 |
1011 AXSupportedAction AXObjectImpl::Action() const { | 1002 AXSupportedAction AXObject::Action() const { |
1012 if (!ActionElement()) | 1003 if (!ActionElement()) |
1013 return AXSupportedAction::kNone; | 1004 return AXSupportedAction::kNone; |
1014 | 1005 |
1015 switch (RoleValue()) { | 1006 switch (RoleValue()) { |
1016 case kButtonRole: | 1007 case kButtonRole: |
1017 case kToggleButtonRole: | 1008 case kToggleButtonRole: |
1018 return AXSupportedAction::kPress; | 1009 return AXSupportedAction::kPress; |
1019 case kTextFieldRole: | 1010 case kTextFieldRole: |
1020 return AXSupportedAction::kActivate; | 1011 return AXSupportedAction::kActivate; |
1021 case kRadioButtonRole: | 1012 case kRadioButtonRole: |
1022 return AXSupportedAction::kSelect; | 1013 return AXSupportedAction::kSelect; |
1023 case kCheckBoxRole: | 1014 case kCheckBoxRole: |
1024 case kSwitchRole: | 1015 case kSwitchRole: |
1025 return CheckedState() == kButtonStateOff ? AXSupportedAction::kCheck | 1016 return CheckedState() == kButtonStateOff ? AXSupportedAction::kCheck |
1026 : AXSupportedAction::kUncheck; | 1017 : AXSupportedAction::kUncheck; |
1027 case kLinkRole: | 1018 case kLinkRole: |
1028 return AXSupportedAction::kJump; | 1019 return AXSupportedAction::kJump; |
1029 case kPopUpButtonRole: | 1020 case kPopUpButtonRole: |
1030 return AXSupportedAction::kOpen; | 1021 return AXSupportedAction::kOpen; |
1031 default: | 1022 default: |
1032 return AXSupportedAction::kClick; | 1023 return AXSupportedAction::kClick; |
1033 } | 1024 } |
1034 } | 1025 } |
1035 | 1026 |
1036 bool AXObjectImpl::IsMultiline() const { | 1027 bool AXObject::IsMultiline() const { |
1037 Node* node = this->GetNode(); | 1028 Node* node = this->GetNode(); |
1038 if (!node) | 1029 if (!node) |
1039 return false; | 1030 return false; |
1040 | 1031 |
1041 if (isHTMLTextAreaElement(*node)) | 1032 if (isHTMLTextAreaElement(*node)) |
1042 return true; | 1033 return true; |
1043 | 1034 |
1044 if (HasEditableStyle(*node)) | 1035 if (HasEditableStyle(*node)) |
1045 return true; | 1036 return true; |
1046 | 1037 |
1047 if (!IsNativeTextControl() && !IsNonNativeTextControl()) | 1038 if (!IsNativeTextControl() && !IsNonNativeTextControl()) |
1048 return false; | 1039 return false; |
1049 | 1040 |
1050 return EqualIgnoringASCIICase(GetAttribute(aria_multilineAttr), "true"); | 1041 return EqualIgnoringASCIICase(GetAttribute(aria_multilineAttr), "true"); |
1051 } | 1042 } |
1052 | 1043 |
1053 bool AXObjectImpl::AriaPressedIsPresent() const { | 1044 bool AXObject::AriaPressedIsPresent() const { |
1054 return !GetAttribute(aria_pressedAttr).IsEmpty(); | 1045 return !GetAttribute(aria_pressedAttr).IsEmpty(); |
1055 } | 1046 } |
1056 | 1047 |
1057 bool AXObjectImpl::SupportsActiveDescendant() const { | 1048 bool AXObject::SupportsActiveDescendant() const { |
1058 // According to the ARIA Spec, all ARIA composite widgets, ARIA text boxes | 1049 // According to the ARIA Spec, all ARIA composite widgets, ARIA text boxes |
1059 // and ARIA groups should be able to expose an active descendant. | 1050 // and ARIA groups should be able to expose an active descendant. |
1060 // Implicitly, <input> and <textarea> elements should also have this ability. | 1051 // Implicitly, <input> and <textarea> elements should also have this ability. |
1061 switch (AriaRoleAttribute()) { | 1052 switch (AriaRoleAttribute()) { |
1062 case kComboBoxRole: | 1053 case kComboBoxRole: |
1063 case kGridRole: | 1054 case kGridRole: |
1064 case kGroupRole: | 1055 case kGroupRole: |
1065 case kListBoxRole: | 1056 case kListBoxRole: |
1066 case kMenuRole: | 1057 case kMenuRole: |
1067 case kMenuBarRole: | 1058 case kMenuBarRole: |
1068 case kRadioGroupRole: | 1059 case kRadioGroupRole: |
1069 case kRowRole: | 1060 case kRowRole: |
1070 case kSearchBoxRole: | 1061 case kSearchBoxRole: |
1071 case kTabListRole: | 1062 case kTabListRole: |
1072 case kTextFieldRole: | 1063 case kTextFieldRole: |
1073 case kToolbarRole: | 1064 case kToolbarRole: |
1074 case kTreeRole: | 1065 case kTreeRole: |
1075 case kTreeGridRole: | 1066 case kTreeGridRole: |
1076 return true; | 1067 return true; |
1077 default: | 1068 default: |
1078 return false; | 1069 return false; |
1079 } | 1070 } |
1080 } | 1071 } |
1081 | 1072 |
1082 bool AXObjectImpl::SupportsARIAAttributes() const { | 1073 bool AXObject::SupportsARIAAttributes() const { |
1083 return IsLiveRegion() || SupportsARIADragging() || SupportsARIADropping() || | 1074 return IsLiveRegion() || SupportsARIADragging() || SupportsARIADropping() || |
1084 SupportsARIAFlowTo() || SupportsARIAOwns() || | 1075 SupportsARIAFlowTo() || SupportsARIAOwns() || |
1085 HasAttribute(aria_labelAttr); | 1076 HasAttribute(aria_labelAttr); |
1086 } | 1077 } |
1087 | 1078 |
1088 bool AXObjectImpl::SupportsRangeValue() const { | 1079 bool AXObject::SupportsRangeValue() const { |
1089 return IsProgressIndicator() || IsMeter() || IsSlider() || IsScrollbar() || | 1080 return IsProgressIndicator() || IsMeter() || IsSlider() || IsScrollbar() || |
1090 IsSpinButton(); | 1081 IsSpinButton(); |
1091 } | 1082 } |
1092 | 1083 |
1093 bool AXObjectImpl::SupportsSetSizeAndPosInSet() const { | 1084 bool AXObject::SupportsSetSizeAndPosInSet() const { |
1094 AXObjectImpl* parent = ParentObject(); | 1085 AXObject* parent = ParentObject(); |
1095 if (!parent) | 1086 if (!parent) |
1096 return false; | 1087 return false; |
1097 | 1088 |
1098 int role = RoleValue(); | 1089 int role = RoleValue(); |
1099 int parent_role = parent->RoleValue(); | 1090 int parent_role = parent->RoleValue(); |
1100 | 1091 |
1101 if ((role == kListBoxOptionRole && parent_role == kListBoxRole) || | 1092 if ((role == kListBoxOptionRole && parent_role == kListBoxRole) || |
1102 (role == kListItemRole && parent_role == kListRole) || | 1093 (role == kListItemRole && parent_role == kListRole) || |
1103 (role == kMenuItemRole && parent_role == kMenuRole) || | 1094 (role == kMenuItemRole && parent_role == kMenuRole) || |
1104 (role == kRadioButtonRole) || | 1095 (role == kRadioButtonRole) || |
1105 (role == kTabRole && parent_role == kTabListRole) || | 1096 (role == kTabRole && parent_role == kTabListRole) || |
1106 (role == kTreeItemRole && parent_role == kTreeRole) || | 1097 (role == kTreeItemRole && parent_role == kTreeRole) || |
1107 (role == kTreeItemRole && parent_role == kGroupRole)) { | 1098 (role == kTreeItemRole && parent_role == kGroupRole)) { |
1108 return true; | 1099 return true; |
1109 } | 1100 } |
1110 | 1101 |
1111 return false; | 1102 return false; |
1112 } | 1103 } |
1113 | 1104 |
1114 int AXObjectImpl::IndexInParent() const { | 1105 int AXObject::IndexInParent() const { |
1115 if (!ParentObject()) | 1106 if (!ParentObject()) |
1116 return 0; | 1107 return 0; |
1117 | 1108 |
1118 const auto& siblings = ParentObject()->Children(); | 1109 const auto& siblings = ParentObject()->Children(); |
1119 int child_count = siblings.size(); | 1110 int child_count = siblings.size(); |
1120 | 1111 |
1121 for (int index = 0; index < child_count; ++index) { | 1112 for (int index = 0; index < child_count; ++index) { |
1122 if (siblings[index].Get() == this) { | 1113 if (siblings[index].Get() == this) { |
1123 return index; | 1114 return index; |
1124 } | 1115 } |
1125 } | 1116 } |
1126 return 0; | 1117 return 0; |
1127 } | 1118 } |
1128 | 1119 |
1129 bool AXObjectImpl::IsLiveRegion() const { | 1120 bool AXObject::IsLiveRegion() const { |
1130 const AtomicString& live_region = LiveRegionStatus(); | 1121 const AtomicString& live_region = LiveRegionStatus(); |
1131 return EqualIgnoringASCIICase(live_region, "polite") || | 1122 return EqualIgnoringASCIICase(live_region, "polite") || |
1132 EqualIgnoringASCIICase(live_region, "assertive"); | 1123 EqualIgnoringASCIICase(live_region, "assertive"); |
1133 } | 1124 } |
1134 | 1125 |
1135 AXObjectImpl* AXObjectImpl::LiveRegionRoot() const { | 1126 AXObject* AXObject::LiveRegionRoot() const { |
1136 UpdateCachedAttributeValuesIfNeeded(); | 1127 UpdateCachedAttributeValuesIfNeeded(); |
1137 return cached_live_region_root_; | 1128 return cached_live_region_root_; |
1138 } | 1129 } |
1139 | 1130 |
1140 const AtomicString& AXObjectImpl::ContainerLiveRegionStatus() const { | 1131 const AtomicString& AXObject::ContainerLiveRegionStatus() const { |
1141 UpdateCachedAttributeValuesIfNeeded(); | 1132 UpdateCachedAttributeValuesIfNeeded(); |
1142 return cached_live_region_root_ ? cached_live_region_root_->LiveRegionStatus() | 1133 return cached_live_region_root_ ? cached_live_region_root_->LiveRegionStatus() |
1143 : g_null_atom; | 1134 : g_null_atom; |
1144 } | 1135 } |
1145 | 1136 |
1146 const AtomicString& AXObjectImpl::ContainerLiveRegionRelevant() const { | 1137 const AtomicString& AXObject::ContainerLiveRegionRelevant() const { |
1147 UpdateCachedAttributeValuesIfNeeded(); | 1138 UpdateCachedAttributeValuesIfNeeded(); |
1148 return cached_live_region_root_ | 1139 return cached_live_region_root_ |
1149 ? cached_live_region_root_->LiveRegionRelevant() | 1140 ? cached_live_region_root_->LiveRegionRelevant() |
1150 : g_null_atom; | 1141 : g_null_atom; |
1151 } | 1142 } |
1152 | 1143 |
1153 bool AXObjectImpl::ContainerLiveRegionAtomic() const { | 1144 bool AXObject::ContainerLiveRegionAtomic() const { |
1154 UpdateCachedAttributeValuesIfNeeded(); | 1145 UpdateCachedAttributeValuesIfNeeded(); |
1155 return cached_live_region_root_ && | 1146 return cached_live_region_root_ && |
1156 cached_live_region_root_->LiveRegionAtomic(); | 1147 cached_live_region_root_->LiveRegionAtomic(); |
1157 } | 1148 } |
1158 | 1149 |
1159 bool AXObjectImpl::ContainerLiveRegionBusy() const { | 1150 bool AXObject::ContainerLiveRegionBusy() const { |
1160 UpdateCachedAttributeValuesIfNeeded(); | 1151 UpdateCachedAttributeValuesIfNeeded(); |
1161 return cached_live_region_root_ && cached_live_region_root_->LiveRegionBusy(); | 1152 return cached_live_region_root_ && cached_live_region_root_->LiveRegionBusy(); |
1162 } | 1153 } |
1163 | 1154 |
1164 AXObjectImpl* AXObjectImpl::ElementAccessibilityHitTest( | 1155 AXObject* AXObject::ElementAccessibilityHitTest(const IntPoint& point) const { |
1165 const IntPoint& point) const { | |
1166 // Check if there are any mock elements that need to be handled. | 1156 // Check if there are any mock elements that need to be handled. |
1167 for (const auto& child : children_) { | 1157 for (const auto& child : children_) { |
1168 if (child->IsMockObject() && | 1158 if (child->IsMockObject() && |
1169 child->GetBoundsInFrameCoordinates().Contains(point)) | 1159 child->GetBoundsInFrameCoordinates().Contains(point)) |
1170 return child->ElementAccessibilityHitTest(point); | 1160 return child->ElementAccessibilityHitTest(point); |
1171 } | 1161 } |
1172 | 1162 |
1173 return const_cast<AXObjectImpl*>(this); | 1163 return const_cast<AXObject*>(this); |
1174 } | 1164 } |
1175 | 1165 |
1176 const AXObjectImpl::AXObjectVector& AXObjectImpl::Children() { | 1166 const AXObject::AXObjectVector& AXObject::Children() { |
1177 UpdateChildrenIfNecessary(); | 1167 UpdateChildrenIfNecessary(); |
1178 | 1168 |
1179 return children_; | 1169 return children_; |
1180 } | 1170 } |
1181 | 1171 |
1182 AXObjectImpl* AXObjectImpl::ParentObject() const { | 1172 AXObject* AXObject::ParentObject() const { |
1183 if (IsDetached()) | 1173 if (IsDetached()) |
1184 return 0; | 1174 return 0; |
1185 | 1175 |
1186 if (parent_) | 1176 if (parent_) |
1187 return parent_; | 1177 return parent_; |
1188 | 1178 |
1189 if (AxObjectCache().IsAriaOwned(this)) | 1179 if (AxObjectCache().IsAriaOwned(this)) |
1190 return AxObjectCache().GetAriaOwnedParent(this); | 1180 return AxObjectCache().GetAriaOwnedParent(this); |
1191 | 1181 |
1192 return ComputeParent(); | 1182 return ComputeParent(); |
1193 } | 1183 } |
1194 | 1184 |
1195 AXObjectImpl* AXObjectImpl::ParentObjectIfExists() const { | 1185 AXObject* AXObject::ParentObjectIfExists() const { |
1196 if (IsDetached()) | 1186 if (IsDetached()) |
1197 return 0; | 1187 return 0; |
1198 | 1188 |
1199 if (parent_) | 1189 if (parent_) |
1200 return parent_; | 1190 return parent_; |
1201 | 1191 |
1202 return ComputeParentIfExists(); | 1192 return ComputeParentIfExists(); |
1203 } | 1193 } |
1204 | 1194 |
1205 AXObjectImpl* AXObjectImpl::ParentObjectUnignored() const { | 1195 AXObject* AXObject::ParentObjectUnignored() const { |
1206 AXObjectImpl* parent; | 1196 AXObject* parent; |
1207 for (parent = ParentObject(); parent && parent->AccessibilityIsIgnored(); | 1197 for (parent = ParentObject(); parent && parent->AccessibilityIsIgnored(); |
1208 parent = parent->ParentObject()) { | 1198 parent = parent->ParentObject()) { |
1209 } | 1199 } |
1210 | 1200 |
1211 return parent; | 1201 return parent; |
1212 } | 1202 } |
1213 | 1203 |
1214 void AXObjectImpl::UpdateChildrenIfNecessary() { | 1204 void AXObject::UpdateChildrenIfNecessary() { |
1215 if (!HasChildren()) | 1205 if (!HasChildren()) |
1216 AddChildren(); | 1206 AddChildren(); |
1217 } | 1207 } |
1218 | 1208 |
1219 void AXObjectImpl::ClearChildren() { | 1209 void AXObject::ClearChildren() { |
1220 // Detach all weak pointers from objects to their parents. | 1210 // Detach all weak pointers from objects to their parents. |
1221 for (const auto& child : children_) | 1211 for (const auto& child : children_) |
1222 child->DetachFromParent(); | 1212 child->DetachFromParent(); |
1223 | 1213 |
1224 children_.clear(); | 1214 children_.clear(); |
1225 have_children_ = false; | 1215 have_children_ = false; |
1226 } | 1216 } |
1227 | 1217 |
1228 Document* AXObjectImpl::GetDocument() const { | 1218 Document* AXObject::GetDocument() const { |
1229 FrameView* frame_view = DocumentFrameView(); | 1219 FrameView* frame_view = DocumentFrameView(); |
1230 if (!frame_view) | 1220 if (!frame_view) |
1231 return 0; | 1221 return 0; |
1232 | 1222 |
1233 return frame_view->GetFrame().GetDocument(); | 1223 return frame_view->GetFrame().GetDocument(); |
1234 } | 1224 } |
1235 | 1225 |
1236 FrameView* AXObjectImpl::DocumentFrameView() const { | 1226 FrameView* AXObject::DocumentFrameView() const { |
1237 const AXObjectImpl* object = this; | 1227 const AXObject* object = this; |
1238 while (object && !object->IsAXLayoutObject()) | 1228 while (object && !object->IsAXLayoutObject()) |
1239 object = object->ParentObject(); | 1229 object = object->ParentObject(); |
1240 | 1230 |
1241 if (!object) | 1231 if (!object) |
1242 return 0; | 1232 return 0; |
1243 | 1233 |
1244 return object->DocumentFrameView(); | 1234 return object->DocumentFrameView(); |
1245 } | 1235 } |
1246 | 1236 |
1247 String AXObjectImpl::Language() const { | 1237 String AXObject::Language() const { |
1248 const AtomicString& lang = GetAttribute(langAttr); | 1238 const AtomicString& lang = GetAttribute(langAttr); |
1249 if (!lang.IsEmpty()) | 1239 if (!lang.IsEmpty()) |
1250 return lang; | 1240 return lang; |
1251 | 1241 |
1252 AXObjectImpl* parent = ParentObject(); | 1242 AXObject* parent = ParentObject(); |
1253 | 1243 |
1254 // As a last resort, fall back to the content language specified in the meta | 1244 // As a last resort, fall back to the content language specified in the meta |
1255 // tag. | 1245 // tag. |
1256 if (!parent) { | 1246 if (!parent) { |
1257 Document* doc = GetDocument(); | 1247 Document* doc = GetDocument(); |
1258 if (doc) | 1248 if (doc) |
1259 return doc->ContentLanguage(); | 1249 return doc->ContentLanguage(); |
1260 return g_null_atom; | 1250 return g_null_atom; |
1261 } | 1251 } |
1262 | 1252 |
1263 return parent->Language(); | 1253 return parent->Language(); |
1264 } | 1254 } |
1265 | 1255 |
1266 bool AXObjectImpl::HasAttribute(const QualifiedName& attribute) const { | 1256 bool AXObject::HasAttribute(const QualifiedName& attribute) const { |
1267 Node* element_node = GetNode(); | 1257 Node* element_node = GetNode(); |
1268 if (!element_node) | 1258 if (!element_node) |
1269 return false; | 1259 return false; |
1270 | 1260 |
1271 if (!element_node->IsElementNode()) | 1261 if (!element_node->IsElementNode()) |
1272 return false; | 1262 return false; |
1273 | 1263 |
1274 Element* element = ToElement(element_node); | 1264 Element* element = ToElement(element_node); |
1275 return element->FastHasAttribute(attribute); | 1265 return element->FastHasAttribute(attribute); |
1276 } | 1266 } |
1277 | 1267 |
1278 const AtomicString& AXObjectImpl::GetAttribute( | 1268 const AtomicString& AXObject::GetAttribute( |
1279 const QualifiedName& attribute) const { | 1269 const QualifiedName& attribute) const { |
1280 Node* element_node = GetNode(); | 1270 Node* element_node = GetNode(); |
1281 if (!element_node) | 1271 if (!element_node) |
1282 return g_null_atom; | 1272 return g_null_atom; |
1283 | 1273 |
1284 if (!element_node->IsElementNode()) | 1274 if (!element_node->IsElementNode()) |
1285 return g_null_atom; | 1275 return g_null_atom; |
1286 | 1276 |
1287 Element* element = ToElement(element_node); | 1277 Element* element = ToElement(element_node); |
1288 return element->FastGetAttribute(attribute); | 1278 return element->FastGetAttribute(attribute); |
1289 } | 1279 } |
1290 | 1280 |
1291 // | 1281 // |
1292 // Scrollable containers. | 1282 // Scrollable containers. |
1293 // | 1283 // |
1294 | 1284 |
1295 bool AXObjectImpl::IsScrollableContainer() const { | 1285 bool AXObject::IsScrollableContainer() const { |
1296 return !!GetScrollableAreaIfScrollable(); | 1286 return !!GetScrollableAreaIfScrollable(); |
1297 } | 1287 } |
1298 | 1288 |
1299 IntPoint AXObjectImpl::GetScrollOffset() const { | 1289 IntPoint AXObject::GetScrollOffset() const { |
1300 ScrollableArea* area = GetScrollableAreaIfScrollable(); | 1290 ScrollableArea* area = GetScrollableAreaIfScrollable(); |
1301 if (!area) | 1291 if (!area) |
1302 return IntPoint(); | 1292 return IntPoint(); |
1303 | 1293 |
1304 return IntPoint(area->ScrollOffsetInt().Width(), | 1294 return IntPoint(area->ScrollOffsetInt().Width(), |
1305 area->ScrollOffsetInt().Height()); | 1295 area->ScrollOffsetInt().Height()); |
1306 } | 1296 } |
1307 | 1297 |
1308 IntPoint AXObjectImpl::MinimumScrollOffset() const { | 1298 IntPoint AXObject::MinimumScrollOffset() const { |
1309 ScrollableArea* area = GetScrollableAreaIfScrollable(); | 1299 ScrollableArea* area = GetScrollableAreaIfScrollable(); |
1310 if (!area) | 1300 if (!area) |
1311 return IntPoint(); | 1301 return IntPoint(); |
1312 | 1302 |
1313 return IntPoint(area->MinimumScrollOffsetInt().Width(), | 1303 return IntPoint(area->MinimumScrollOffsetInt().Width(), |
1314 area->MinimumScrollOffsetInt().Height()); | 1304 area->MinimumScrollOffsetInt().Height()); |
1315 } | 1305 } |
1316 | 1306 |
1317 IntPoint AXObjectImpl::MaximumScrollOffset() const { | 1307 IntPoint AXObject::MaximumScrollOffset() const { |
1318 ScrollableArea* area = GetScrollableAreaIfScrollable(); | 1308 ScrollableArea* area = GetScrollableAreaIfScrollable(); |
1319 if (!area) | 1309 if (!area) |
1320 return IntPoint(); | 1310 return IntPoint(); |
1321 | 1311 |
1322 return IntPoint(area->MaximumScrollOffsetInt().Width(), | 1312 return IntPoint(area->MaximumScrollOffsetInt().Width(), |
1323 area->MaximumScrollOffsetInt().Height()); | 1313 area->MaximumScrollOffsetInt().Height()); |
1324 } | 1314 } |
1325 | 1315 |
1326 void AXObjectImpl::SetScrollOffset(const IntPoint& offset) const { | 1316 void AXObject::SetScrollOffset(const IntPoint& offset) const { |
1327 ScrollableArea* area = GetScrollableAreaIfScrollable(); | 1317 ScrollableArea* area = GetScrollableAreaIfScrollable(); |
1328 if (!area) | 1318 if (!area) |
1329 return; | 1319 return; |
1330 | 1320 |
1331 // TODO(bokan): This should potentially be a UserScroll. | 1321 // TODO(bokan): This should potentially be a UserScroll. |
1332 area->SetScrollOffset(ScrollOffset(offset.X(), offset.Y()), | 1322 area->SetScrollOffset(ScrollOffset(offset.X(), offset.Y()), |
1333 kProgrammaticScroll); | 1323 kProgrammaticScroll); |
1334 } | 1324 } |
1335 | 1325 |
1336 void AXObjectImpl::GetRelativeBounds( | 1326 void AXObject::GetRelativeBounds(AXObject** out_container, |
1337 AXObjectImpl** out_container, | 1327 FloatRect& out_bounds_in_container, |
1338 FloatRect& out_bounds_in_container, | 1328 SkMatrix44& out_container_transform) const { |
1339 SkMatrix44& out_container_transform) const { | |
1340 *out_container = nullptr; | 1329 *out_container = nullptr; |
1341 out_bounds_in_container = FloatRect(); | 1330 out_bounds_in_container = FloatRect(); |
1342 out_container_transform.setIdentity(); | 1331 out_container_transform.setIdentity(); |
1343 | 1332 |
1344 // First check if it has explicit bounds, for example if this element is tied | 1333 // First check if it has explicit bounds, for example if this element is tied |
1345 // to a canvas path. When explicit coordinates are provided, the ID of the | 1334 // to a canvas path. When explicit coordinates are provided, the ID of the |
1346 // explicit container element that the coordinates are relative to must be | 1335 // explicit container element that the coordinates are relative to must be |
1347 // provided too. | 1336 // provided too. |
1348 if (!explicit_element_rect_.IsEmpty()) { | 1337 if (!explicit_element_rect_.IsEmpty()) { |
1349 *out_container = AxObjectCache().ObjectFromAXID(explicit_container_id_); | 1338 *out_container = AxObjectCache().ObjectFromAXID(explicit_container_id_); |
1350 if (*out_container) { | 1339 if (*out_container) { |
1351 out_bounds_in_container = FloatRect(explicit_element_rect_); | 1340 out_bounds_in_container = FloatRect(explicit_element_rect_); |
1352 return; | 1341 return; |
1353 } | 1342 } |
1354 } | 1343 } |
1355 | 1344 |
1356 LayoutObject* layout_object = LayoutObjectForRelativeBounds(); | 1345 LayoutObject* layout_object = LayoutObjectForRelativeBounds(); |
1357 if (!layout_object) | 1346 if (!layout_object) |
1358 return; | 1347 return; |
1359 | 1348 |
1360 if (IsWebArea()) { | 1349 if (IsWebArea()) { |
1361 if (layout_object->GetFrame()->View()) { | 1350 if (layout_object->GetFrame()->View()) |
1362 out_bounds_in_container.SetSize( | 1351 out_bounds_in_container.SetSize( |
1363 FloatSize(layout_object->GetFrame()->View()->ContentsSize())); | 1352 FloatSize(layout_object->GetFrame()->View()->ContentsSize())); |
1364 } | |
1365 return; | 1353 return; |
1366 } | 1354 } |
1367 | 1355 |
1368 // First compute the container. The container must be an ancestor in the | 1356 // First compute the container. The container must be an ancestor in the |
1369 // accessibility tree, and its LayoutObject must be an ancestor in the layout | 1357 // accessibility tree, and its LayoutObject must be an ancestor in the layout |
1370 // tree. Get the first such ancestor that's either scrollable or has a paint | 1358 // tree. Get the first such ancestor that's either scrollable or has a paint |
1371 // layer. | 1359 // layer. |
1372 AXObjectImpl* container = ParentObjectUnignored(); | 1360 AXObject* container = ParentObjectUnignored(); |
1373 LayoutObject* container_layout_object = nullptr; | 1361 LayoutObject* container_layout_object = nullptr; |
1374 while (container) { | 1362 while (container) { |
1375 container_layout_object = container->GetLayoutObject(); | 1363 container_layout_object = container->GetLayoutObject(); |
1376 if (container_layout_object && | 1364 if (container_layout_object && |
1377 container_layout_object->IsBoxModelObject() && | 1365 container_layout_object->IsBoxModelObject() && |
1378 layout_object->IsDescendantOf(container_layout_object)) { | 1366 layout_object->IsDescendantOf(container_layout_object)) { |
1379 if (container->IsScrollableContainer() || | 1367 if (container->IsScrollableContainer() || |
1380 container_layout_object->HasLayer()) | 1368 container_layout_object->HasLayer()) |
1381 break; | 1369 break; |
1382 } | 1370 } |
(...skipping 21 matching lines...) Expand all Loading... |
1404 // scaling, etc. then return the full matrix instead. | 1392 // scaling, etc. then return the full matrix instead. |
1405 TransformationMatrix transform = layout_object->LocalToAncestorTransform( | 1393 TransformationMatrix transform = layout_object->LocalToAncestorTransform( |
1406 ToLayoutBoxModelObject(container_layout_object)); | 1394 ToLayoutBoxModelObject(container_layout_object)); |
1407 if (transform.IsIdentityOr2DTranslation()) { | 1395 if (transform.IsIdentityOr2DTranslation()) { |
1408 out_bounds_in_container.Move(transform.To2DTranslation()); | 1396 out_bounds_in_container.Move(transform.To2DTranslation()); |
1409 } else { | 1397 } else { |
1410 out_container_transform = TransformationMatrix::ToSkMatrix44(transform); | 1398 out_container_transform = TransformationMatrix::ToSkMatrix44(transform); |
1411 } | 1399 } |
1412 } | 1400 } |
1413 | 1401 |
1414 LayoutRect AXObjectImpl::GetBoundsInFrameCoordinates() const { | 1402 LayoutRect AXObject::GetBoundsInFrameCoordinates() const { |
1415 AXObjectImpl* container = nullptr; | 1403 AXObject* container = nullptr; |
1416 FloatRect bounds; | 1404 FloatRect bounds; |
1417 SkMatrix44 transform; | 1405 SkMatrix44 transform; |
1418 GetRelativeBounds(&container, bounds, transform); | 1406 GetRelativeBounds(&container, bounds, transform); |
1419 FloatRect computed_bounds(0, 0, bounds.Width(), bounds.Height()); | 1407 FloatRect computed_bounds(0, 0, bounds.Width(), bounds.Height()); |
1420 while (container && container != this) { | 1408 while (container && container != this) { |
1421 computed_bounds.Move(bounds.X(), bounds.Y()); | 1409 computed_bounds.Move(bounds.X(), bounds.Y()); |
1422 if (!container->IsWebArea()) { | 1410 if (!container->IsWebArea()) { |
1423 computed_bounds.Move(-container->GetScrollOffset().X(), | 1411 computed_bounds.Move(-container->GetScrollOffset().X(), |
1424 -container->GetScrollOffset().Y()); | 1412 -container->GetScrollOffset().Y()); |
1425 } | 1413 } |
1426 if (!transform.isIdentity()) { | 1414 if (!transform.isIdentity()) { |
1427 TransformationMatrix transformation_matrix(transform); | 1415 TransformationMatrix transformation_matrix(transform); |
1428 transformation_matrix.MapRect(computed_bounds); | 1416 transformation_matrix.MapRect(computed_bounds); |
1429 } | 1417 } |
1430 container->GetRelativeBounds(&container, bounds, transform); | 1418 container->GetRelativeBounds(&container, bounds, transform); |
1431 } | 1419 } |
1432 return LayoutRect(computed_bounds); | 1420 return LayoutRect(computed_bounds); |
1433 } | 1421 } |
1434 | 1422 |
1435 // | 1423 // |
1436 // Modify or take an action on an object. | 1424 // Modify or take an action on an object. |
1437 // | 1425 // |
1438 | 1426 |
1439 bool AXObjectImpl::Press() { | 1427 bool AXObject::Press() { |
1440 Document* document = GetDocument(); | 1428 Document* document = GetDocument(); |
1441 if (!document) | 1429 if (!document) |
1442 return false; | 1430 return false; |
1443 | 1431 |
1444 UserGestureIndicator gesture_indicator(DocumentUserGestureToken::Create( | 1432 UserGestureIndicator gesture_indicator(DocumentUserGestureToken::Create( |
1445 document, UserGestureToken::kNewGesture)); | 1433 document, UserGestureToken::kNewGesture)); |
1446 Element* action_elem = ActionElement(); | 1434 Element* action_elem = ActionElement(); |
1447 if (action_elem) { | 1435 if (action_elem) { |
1448 action_elem->AccessKeyAction(true); | 1436 action_elem->AccessKeyAction(true); |
1449 return true; | 1437 return true; |
1450 } | 1438 } |
1451 | 1439 |
1452 if (CanSetFocusAttribute()) { | 1440 if (CanSetFocusAttribute()) { |
1453 SetFocused(true); | 1441 SetFocused(true); |
1454 return true; | 1442 return true; |
1455 } | 1443 } |
1456 | 1444 |
1457 return false; | 1445 return false; |
1458 } | 1446 } |
1459 | 1447 |
1460 void AXObjectImpl::ScrollToMakeVisible() const { | 1448 void AXObject::ScrollToMakeVisible() const { |
1461 IntRect object_rect = PixelSnappedIntRect(GetBoundsInFrameCoordinates()); | 1449 IntRect object_rect = PixelSnappedIntRect(GetBoundsInFrameCoordinates()); |
1462 object_rect.SetLocation(IntPoint()); | 1450 object_rect.SetLocation(IntPoint()); |
1463 ScrollToMakeVisibleWithSubFocus(object_rect); | 1451 ScrollToMakeVisibleWithSubFocus(object_rect); |
1464 } | 1452 } |
1465 | 1453 |
1466 // This is a 1-dimensional scroll offset helper function that's applied | 1454 // This is a 1-dimensional scroll offset helper function that's applied |
1467 // separately in the horizontal and vertical directions, because the | 1455 // separately in the horizontal and vertical directions, because the |
1468 // logic is the same. The goal is to compute the best scroll offset | 1456 // logic is the same. The goal is to compute the best scroll offset |
1469 // in order to make an object visible within a viewport. | 1457 // in order to make an object visible within a viewport. |
1470 // | 1458 // |
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1553 | 1541 |
1554 // Exit now if the focus is already within the viewport. | 1542 // Exit now if the focus is already within the viewport. |
1555 if (object_min - current_scroll_offset >= viewport_min && | 1543 if (object_min - current_scroll_offset >= viewport_min && |
1556 object_max - current_scroll_offset <= viewport_max) | 1544 object_max - current_scroll_offset <= viewport_max) |
1557 return current_scroll_offset; | 1545 return current_scroll_offset; |
1558 | 1546 |
1559 // Center the object in the viewport. | 1547 // Center the object in the viewport. |
1560 return (object_min + object_max - viewport_min - viewport_max) / 2; | 1548 return (object_min + object_max - viewport_min - viewport_max) / 2; |
1561 } | 1549 } |
1562 | 1550 |
1563 void AXObjectImpl::ScrollToMakeVisibleWithSubFocus( | 1551 void AXObject::ScrollToMakeVisibleWithSubFocus(const IntRect& subfocus) const { |
1564 const IntRect& subfocus) const { | |
1565 // Search up the parent chain until we find the first one that's scrollable. | 1552 // Search up the parent chain until we find the first one that's scrollable. |
1566 const AXObjectImpl* scroll_parent = ParentObject() ? ParentObject() : this; | 1553 const AXObject* scroll_parent = ParentObject() ? ParentObject() : this; |
1567 ScrollableArea* scrollable_area = 0; | 1554 ScrollableArea* scrollable_area = 0; |
1568 while (scroll_parent) { | 1555 while (scroll_parent) { |
1569 scrollable_area = scroll_parent->GetScrollableAreaIfScrollable(); | 1556 scrollable_area = scroll_parent->GetScrollableAreaIfScrollable(); |
1570 if (scrollable_area) | 1557 if (scrollable_area) |
1571 break; | 1558 break; |
1572 scroll_parent = scroll_parent->ParentObject(); | 1559 scroll_parent = scroll_parent->ParentObject(); |
1573 } | 1560 } |
1574 if (!scroll_parent || !scrollable_area) | 1561 if (!scroll_parent || !scrollable_area) |
1575 return; | 1562 return; |
1576 | 1563 |
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1604 PixelSnappedIntRect(scroll_parent->GetBoundsInFrameCoordinates()); | 1591 PixelSnappedIntRect(scroll_parent->GetBoundsInFrameCoordinates()); |
1605 new_subfocus.Move(new_element_rect.X(), new_element_rect.Y()); | 1592 new_subfocus.Move(new_element_rect.X(), new_element_rect.Y()); |
1606 new_subfocus.Move(-scroll_parent_rect.X(), -scroll_parent_rect.Y()); | 1593 new_subfocus.Move(-scroll_parent_rect.X(), -scroll_parent_rect.Y()); |
1607 | 1594 |
1608 if (scroll_parent->ParentObject()) { | 1595 if (scroll_parent->ParentObject()) { |
1609 // Recursively make sure the scroll parent itself is visible. | 1596 // Recursively make sure the scroll parent itself is visible. |
1610 scroll_parent->ScrollToMakeVisibleWithSubFocus(new_subfocus); | 1597 scroll_parent->ScrollToMakeVisibleWithSubFocus(new_subfocus); |
1611 } else { | 1598 } else { |
1612 // To minimize the number of notifications, only fire one on the topmost | 1599 // To minimize the number of notifications, only fire one on the topmost |
1613 // object that has been scrolled. | 1600 // object that has been scrolled. |
1614 AxObjectCache().PostNotification(const_cast<AXObjectImpl*>(this), | 1601 AxObjectCache().PostNotification(const_cast<AXObject*>(this), |
1615 AXObjectCacheImpl::kAXLocationChanged); | 1602 AXObjectCacheImpl::kAXLocationChanged); |
1616 } | 1603 } |
1617 } | 1604 } |
1618 | 1605 |
1619 void AXObjectImpl::ScrollToGlobalPoint(const IntPoint& global_point) const { | 1606 void AXObject::ScrollToGlobalPoint(const IntPoint& global_point) const { |
1620 // Search up the parent chain and create a vector of all scrollable parent | 1607 // Search up the parent chain and create a vector of all scrollable parent |
1621 // objects and ending with this object itself. | 1608 // objects and ending with this object itself. |
1622 HeapVector<Member<const AXObjectImpl>> objects; | 1609 HeapVector<Member<const AXObject>> objects; |
1623 AXObjectImpl* parent_object; | 1610 AXObject* parent_object; |
1624 for (parent_object = this->ParentObject(); parent_object; | 1611 for (parent_object = this->ParentObject(); parent_object; |
1625 parent_object = parent_object->ParentObject()) { | 1612 parent_object = parent_object->ParentObject()) { |
1626 if (parent_object->GetScrollableAreaIfScrollable()) | 1613 if (parent_object->GetScrollableAreaIfScrollable()) |
1627 objects.push_front(parent_object); | 1614 objects.push_front(parent_object); |
1628 } | 1615 } |
1629 objects.push_back(this); | 1616 objects.push_back(this); |
1630 | 1617 |
1631 // Start with the outermost scrollable (the main window) and try to scroll the | 1618 // Start with the outermost scrollable (the main window) and try to scroll the |
1632 // next innermost object to the given point. | 1619 // next innermost object to the given point. |
1633 int offset_x = 0, offset_y = 0; | 1620 int offset_x = 0, offset_y = 0; |
1634 IntPoint point = global_point; | 1621 IntPoint point = global_point; |
1635 size_t levels = objects.size() - 1; | 1622 size_t levels = objects.size() - 1; |
1636 for (size_t i = 0; i < levels; i++) { | 1623 for (size_t i = 0; i < levels; i++) { |
1637 const AXObjectImpl* outer = objects[i]; | 1624 const AXObject* outer = objects[i]; |
1638 const AXObjectImpl* inner = objects[i + 1]; | 1625 const AXObject* inner = objects[i + 1]; |
1639 ScrollableArea* scrollable_area = outer->GetScrollableAreaIfScrollable(); | 1626 ScrollableArea* scrollable_area = outer->GetScrollableAreaIfScrollable(); |
1640 | 1627 |
1641 IntRect inner_rect = | 1628 IntRect inner_rect = |
1642 inner->IsWebArea() | 1629 inner->IsWebArea() |
1643 ? PixelSnappedIntRect( | 1630 ? PixelSnappedIntRect( |
1644 inner->ParentObject()->GetBoundsInFrameCoordinates()) | 1631 inner->ParentObject()->GetBoundsInFrameCoordinates()) |
1645 : PixelSnappedIntRect(inner->GetBoundsInFrameCoordinates()); | 1632 : PixelSnappedIntRect(inner->GetBoundsInFrameCoordinates()); |
1646 IntRect object_rect = inner_rect; | 1633 IntRect object_rect = inner_rect; |
1647 IntSize scroll_offset = scrollable_area->ScrollOffsetInt(); | 1634 IntSize scroll_offset = scrollable_area->ScrollOffsetInt(); |
1648 | 1635 |
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1677 } | 1664 } |
1678 | 1665 |
1679 // To minimize the number of notifications, only fire one on the topmost | 1666 // To minimize the number of notifications, only fire one on the topmost |
1680 // object that has been scrolled. | 1667 // object that has been scrolled. |
1681 DCHECK(objects[0]); | 1668 DCHECK(objects[0]); |
1682 // TODO(nektar): Switch to postNotification(objects[0] and remove |getNode|. | 1669 // TODO(nektar): Switch to postNotification(objects[0] and remove |getNode|. |
1683 AxObjectCache().PostNotification(objects[0]->GetNode(), | 1670 AxObjectCache().PostNotification(objects[0]->GetNode(), |
1684 AXObjectCacheImpl::kAXLocationChanged); | 1671 AXObjectCacheImpl::kAXLocationChanged); |
1685 } | 1672 } |
1686 | 1673 |
1687 void AXObjectImpl::SetSequentialFocusNavigationStartingPoint() { | 1674 void AXObject::SetSequentialFocusNavigationStartingPoint() { |
1688 // Call it on the nearest ancestor that overrides this with a specific | 1675 // Call it on the nearest ancestor that overrides this with a specific |
1689 // implementation. | 1676 // implementation. |
1690 if (ParentObject()) | 1677 if (ParentObject()) |
1691 ParentObject()->SetSequentialFocusNavigationStartingPoint(); | 1678 ParentObject()->SetSequentialFocusNavigationStartingPoint(); |
1692 } | 1679 } |
1693 | 1680 |
1694 void AXObjectImpl::NotifyIfIgnoredValueChanged() { | 1681 void AXObject::NotifyIfIgnoredValueChanged() { |
1695 bool is_ignored = AccessibilityIsIgnored(); | 1682 bool is_ignored = AccessibilityIsIgnored(); |
1696 if (LastKnownIsIgnoredValue() != is_ignored) { | 1683 if (LastKnownIsIgnoredValue() != is_ignored) { |
1697 AxObjectCache().ChildrenChanged(ParentObject()); | 1684 AxObjectCache().ChildrenChanged(ParentObject()); |
1698 SetLastKnownIsIgnoredValue(is_ignored); | 1685 SetLastKnownIsIgnoredValue(is_ignored); |
1699 } | 1686 } |
1700 } | 1687 } |
1701 | 1688 |
1702 void AXObjectImpl::SelectionChanged() { | 1689 void AXObject::SelectionChanged() { |
1703 if (AXObjectImpl* parent = ParentObjectIfExists()) | 1690 if (AXObject* parent = ParentObjectIfExists()) |
1704 parent->SelectionChanged(); | 1691 parent->SelectionChanged(); |
1705 } | 1692 } |
1706 | 1693 |
1707 int AXObjectImpl::LineForPosition(const VisiblePosition& position) const { | 1694 int AXObject::LineForPosition(const VisiblePosition& position) const { |
1708 if (position.IsNull() || !GetNode()) | 1695 if (position.IsNull() || !GetNode()) |
1709 return -1; | 1696 return -1; |
1710 | 1697 |
1711 // If the position is not in the same editable region as this AX object, | 1698 // If the position is not in the same editable region as this AX object, |
1712 // return -1. | 1699 // return -1. |
1713 Node* container_node = position.DeepEquivalent().ComputeContainerNode(); | 1700 Node* container_node = position.DeepEquivalent().ComputeContainerNode(); |
1714 if (!container_node->IsShadowIncludingInclusiveAncestorOf(GetNode()) && | 1701 if (!container_node->IsShadowIncludingInclusiveAncestorOf(GetNode()) && |
1715 !GetNode()->IsShadowIncludingInclusiveAncestorOf(container_node)) | 1702 !GetNode()->IsShadowIncludingInclusiveAncestorOf(container_node)) |
1716 return -1; | 1703 return -1; |
1717 | 1704 |
1718 int line_count = -1; | 1705 int line_count = -1; |
1719 VisiblePosition current_position = position; | 1706 VisiblePosition current_position = position; |
1720 VisiblePosition previous_position; | 1707 VisiblePosition previous_position; |
1721 | 1708 |
1722 // Move up until we get to the top. | 1709 // Move up until we get to the top. |
1723 // FIXME: This only takes us to the top of the rootEditableElement, not the | 1710 // FIXME: This only takes us to the top of the rootEditableElement, not the |
1724 // top of the top document. | 1711 // top of the top document. |
1725 do { | 1712 do { |
1726 previous_position = current_position; | 1713 previous_position = current_position; |
1727 current_position = PreviousLinePosition(current_position, LayoutUnit(), | 1714 current_position = PreviousLinePosition(current_position, LayoutUnit(), |
1728 kHasEditableAXRole); | 1715 kHasEditableAXRole); |
1729 ++line_count; | 1716 ++line_count; |
1730 } while (current_position.IsNotNull() && | 1717 } while (current_position.IsNotNull() && |
1731 !InSameLine(current_position, previous_position)); | 1718 !InSameLine(current_position, previous_position)); |
1732 | 1719 |
1733 return line_count; | 1720 return line_count; |
1734 } | 1721 } |
1735 | 1722 |
1736 bool AXObjectImpl::IsARIAControl(AccessibilityRole aria_role) { | 1723 bool AXObject::IsARIAControl(AccessibilityRole aria_role) { |
1737 return IsARIAInput(aria_role) || aria_role == kButtonRole || | 1724 return IsARIAInput(aria_role) || aria_role == kButtonRole || |
1738 aria_role == kComboBoxRole || aria_role == kSliderRole; | 1725 aria_role == kComboBoxRole || aria_role == kSliderRole; |
1739 } | 1726 } |
1740 | 1727 |
1741 bool AXObjectImpl::IsARIAInput(AccessibilityRole aria_role) { | 1728 bool AXObject::IsARIAInput(AccessibilityRole aria_role) { |
1742 return aria_role == kRadioButtonRole || aria_role == kCheckBoxRole || | 1729 return aria_role == kRadioButtonRole || aria_role == kCheckBoxRole || |
1743 aria_role == kTextFieldRole || aria_role == kSwitchRole || | 1730 aria_role == kTextFieldRole || aria_role == kSwitchRole || |
1744 aria_role == kSearchBoxRole; | 1731 aria_role == kSearchBoxRole; |
1745 } | 1732 } |
1746 | 1733 |
1747 AccessibilityRole AXObjectImpl::AriaRoleToWebCoreRole(const String& value) { | 1734 AccessibilityRole AXObject::AriaRoleToWebCoreRole(const String& value) { |
1748 DCHECK(!value.IsEmpty()); | 1735 DCHECK(!value.IsEmpty()); |
1749 | 1736 |
1750 static const ARIARoleMap* role_map = CreateARIARoleMap(); | 1737 static const ARIARoleMap* role_map = CreateARIARoleMap(); |
1751 | 1738 |
1752 Vector<String> role_vector; | 1739 Vector<String> role_vector; |
1753 value.Split(' ', role_vector); | 1740 value.Split(' ', role_vector); |
1754 AccessibilityRole role = kUnknownRole; | 1741 AccessibilityRole role = kUnknownRole; |
1755 for (const auto& child : role_vector) { | 1742 for (const auto& child : role_vector) { |
1756 role = role_map->at(child); | 1743 role = role_map->at(child); |
1757 if (role) | 1744 if (role) |
1758 return role; | 1745 return role; |
1759 } | 1746 } |
1760 | 1747 |
1761 return role; | 1748 return role; |
1762 } | 1749 } |
1763 | 1750 |
1764 bool AXObjectImpl::IsInsideFocusableElementOrARIAWidget(const Node& node) { | 1751 bool AXObject::IsInsideFocusableElementOrARIAWidget(const Node& node) { |
1765 const Node* cur_node = &node; | 1752 const Node* cur_node = &node; |
1766 do { | 1753 do { |
1767 if (cur_node->IsElementNode()) { | 1754 if (cur_node->IsElementNode()) { |
1768 const Element* element = ToElement(cur_node); | 1755 const Element* element = ToElement(cur_node); |
1769 if (element->IsFocusable()) | 1756 if (element->IsFocusable()) |
1770 return true; | 1757 return true; |
1771 String role = element->getAttribute("role"); | 1758 String role = element->getAttribute("role"); |
1772 if (!role.IsEmpty() && AXObjectImpl::IncludesARIAWidgetRole(role)) | 1759 if (!role.IsEmpty() && AXObject::IncludesARIAWidgetRole(role)) |
1773 return true; | 1760 return true; |
1774 if (HasInteractiveARIAAttribute(*element)) | 1761 if (HasInteractiveARIAAttribute(*element)) |
1775 return true; | 1762 return true; |
1776 } | 1763 } |
1777 cur_node = cur_node->parentNode(); | 1764 cur_node = cur_node->parentNode(); |
1778 } while (cur_node && !isHTMLBodyElement(node)); | 1765 } while (cur_node && !isHTMLBodyElement(node)); |
1779 return false; | 1766 return false; |
1780 } | 1767 } |
1781 | 1768 |
1782 bool AXObjectImpl::HasInteractiveARIAAttribute(const Element& element) { | 1769 bool AXObject::HasInteractiveARIAAttribute(const Element& element) { |
1783 for (size_t i = 0; i < WTF_ARRAY_LENGTH(g_aria_interactive_widget_attributes); | 1770 for (size_t i = 0; i < WTF_ARRAY_LENGTH(g_aria_interactive_widget_attributes); |
1784 ++i) { | 1771 ++i) { |
1785 const char* attribute = g_aria_interactive_widget_attributes[i]; | 1772 const char* attribute = g_aria_interactive_widget_attributes[i]; |
1786 if (element.hasAttribute(attribute)) { | 1773 if (element.hasAttribute(attribute)) { |
1787 return true; | 1774 return true; |
1788 } | 1775 } |
1789 } | 1776 } |
1790 return false; | 1777 return false; |
1791 } | 1778 } |
1792 | 1779 |
1793 bool AXObjectImpl::IncludesARIAWidgetRole(const String& role) { | 1780 bool AXObject::IncludesARIAWidgetRole(const String& role) { |
1794 static const HashSet<String, CaseFoldingHash>* role_set = | 1781 static const HashSet<String, CaseFoldingHash>* role_set = |
1795 CreateARIARoleWidgetSet(); | 1782 CreateARIARoleWidgetSet(); |
1796 | 1783 |
1797 Vector<String> role_vector; | 1784 Vector<String> role_vector; |
1798 role.Split(' ', role_vector); | 1785 role.Split(' ', role_vector); |
1799 for (const auto& child : role_vector) { | 1786 for (const auto& child : role_vector) { |
1800 if (role_set->Contains(child)) | 1787 if (role_set->Contains(child)) |
1801 return true; | 1788 return true; |
1802 } | 1789 } |
1803 return false; | 1790 return false; |
1804 } | 1791 } |
1805 | 1792 |
1806 bool AXObjectImpl::NameFromContents() const { | 1793 bool AXObject::NameFromContents() const { |
1807 // ARIA 1.1, section 5.2.7.5. | 1794 // ARIA 1.1, section 5.2.7.5. |
1808 switch (RoleValue()) { | 1795 switch (RoleValue()) { |
1809 case kAnchorRole: | 1796 case kAnchorRole: |
1810 case kButtonRole: | 1797 case kButtonRole: |
1811 case kCellRole: | 1798 case kCellRole: |
1812 case kCheckBoxRole: | 1799 case kCheckBoxRole: |
1813 case kColumnHeaderRole: | 1800 case kColumnHeaderRole: |
1814 case kDirectoryRole: | 1801 case kDirectoryRole: |
1815 case kDisclosureTriangleRole: | 1802 case kDisclosureTriangleRole: |
1816 case kHeadingRole: | 1803 case kHeadingRole: |
(...skipping 24 matching lines...) Expand all Loading... |
1841 return true; | 1828 return true; |
1842 } | 1829 } |
1843 const Node* node = this->GetNode(); | 1830 const Node* node = this->GetNode(); |
1844 return node && node->IsElementNode() && ToElement(node)->IsFocusable(); | 1831 return node && node->IsElementNode() && ToElement(node)->IsFocusable(); |
1845 } | 1832 } |
1846 default: | 1833 default: |
1847 return false; | 1834 return false; |
1848 } | 1835 } |
1849 } | 1836 } |
1850 | 1837 |
1851 AccessibilityRole AXObjectImpl::ButtonRoleType() const { | 1838 AccessibilityRole AXObject::ButtonRoleType() const { |
1852 // If aria-pressed is present, then it should be exposed as a toggle button. | 1839 // If aria-pressed is present, then it should be exposed as a toggle button. |
1853 // http://www.w3.org/TR/wai-aria/states_and_properties#aria-pressed | 1840 // http://www.w3.org/TR/wai-aria/states_and_properties#aria-pressed |
1854 if (AriaPressedIsPresent()) | 1841 if (AriaPressedIsPresent()) |
1855 return kToggleButtonRole; | 1842 return kToggleButtonRole; |
1856 if (AriaHasPopup()) | 1843 if (AriaHasPopup()) |
1857 return kPopUpButtonRole; | 1844 return kPopUpButtonRole; |
1858 // We don't contemplate RadioButtonRole, as it depends on the input | 1845 // We don't contemplate RadioButtonRole, as it depends on the input |
1859 // type. | 1846 // type. |
1860 | 1847 |
1861 return kButtonRole; | 1848 return kButtonRole; |
1862 } | 1849 } |
1863 | 1850 |
1864 const AtomicString& AXObjectImpl::RoleName(AccessibilityRole role) { | 1851 const AtomicString& AXObject::RoleName(AccessibilityRole role) { |
1865 static const Vector<AtomicString>* role_name_vector = CreateRoleNameVector(); | 1852 static const Vector<AtomicString>* role_name_vector = CreateRoleNameVector(); |
1866 | 1853 |
1867 return role_name_vector->at(role); | 1854 return role_name_vector->at(role); |
1868 } | 1855 } |
1869 | 1856 |
1870 const AtomicString& AXObjectImpl::InternalRoleName(AccessibilityRole role) { | 1857 const AtomicString& AXObject::InternalRoleName(AccessibilityRole role) { |
1871 static const Vector<AtomicString>* internal_role_name_vector = | 1858 static const Vector<AtomicString>* internal_role_name_vector = |
1872 CreateInternalRoleNameVector(); | 1859 CreateInternalRoleNameVector(); |
1873 | 1860 |
1874 return internal_role_name_vector->at(role); | 1861 return internal_role_name_vector->at(role); |
1875 } | 1862 } |
1876 | 1863 |
1877 DEFINE_TRACE(AXObjectImpl) { | 1864 DEFINE_TRACE(AXObject) { |
1878 visitor->Trace(children_); | 1865 visitor->Trace(children_); |
1879 visitor->Trace(parent_); | 1866 visitor->Trace(parent_); |
1880 visitor->Trace(cached_live_region_root_); | 1867 visitor->Trace(cached_live_region_root_); |
1881 visitor->Trace(ax_object_cache_); | 1868 visitor->Trace(ax_object_cache_); |
1882 } | 1869 } |
1883 | 1870 |
1884 } // namespace blink | 1871 } // namespace blink |
OLD | NEW |