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AXIsolatedObject.cpp
2461 lines (2097 loc) · 76.5 KB
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AXIsolatedObject.cpp
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/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(ACCESSIBILITY_ISOLATED_TREE)
#include "AXIsolatedObject.h"
#include "AXIsolatedTree.h"
#include "AXLogger.h"
#include <pal/SessionID.h>
#if PLATFORM(COCOA)
#include <pal/spi/cocoa/AccessibilitySupportSoftLink.h>
#endif
namespace WebCore {
AXIsolatedObject::AXIsolatedObject(AXCoreObject& object, AXIsolatedTree* tree, AXID parentID)
: m_cachedTree(tree)
, m_parentID(parentID)
, m_id(object.objectID())
{
ASSERT(isMainThread());
if (m_id.isValid())
initializeAttributeData(object, !parentID.isValid());
else {
// Should never happen under normal circumstances.
ASSERT_NOT_REACHED();
}
}
Ref<AXIsolatedObject> AXIsolatedObject::create(AXCoreObject& object, AXIsolatedTree* tree, AXID parentID)
{
return adoptRef(*new AXIsolatedObject(object, tree, parentID));
}
AXIsolatedObject::~AXIsolatedObject()
{
ASSERT(!wrapper());
}
void AXIsolatedObject::init()
{
ASSERT_NOT_REACHED();
}
void AXIsolatedObject::initializeAttributeData(AXCoreObject& coreObject, bool isRoot)
{
ASSERT(is<AccessibilityObject>(coreObject));
auto& object = downcast<AccessibilityObject>(coreObject);
setProperty(AXPropertyName::ARIALandmarkRoleDescription, object.ariaLandmarkRoleDescription().isolatedCopy());
setProperty(AXPropertyName::AccessibilityDescription, object.accessibilityDescription().isolatedCopy());
if (object.ancestorFlagsAreInitialized())
setProperty(AXPropertyName::AncestorFlags, object.ancestorFlags());
else
setProperty(AXPropertyName::AncestorFlags, object.computeAncestorFlagsWithTraversal());
setProperty(AXPropertyName::BoundingBoxRect, object.boundingBoxRect());
setProperty(AXPropertyName::ElementRect, object.elementRect());
setProperty(AXPropertyName::HasARIAValueNow, object.hasARIAValueNow());
setProperty(AXPropertyName::IsAccessibilityIgnored, object.accessibilityIsIgnored());
setProperty(AXPropertyName::IsActiveDescendantOfFocusedContainer, object.isActiveDescendantOfFocusedContainer());
setProperty(AXPropertyName::IsAttachment, object.isAttachment());
setProperty(AXPropertyName::IsBusy, object.isBusy());
setProperty(AXPropertyName::IsButton, object.isButton());
setProperty(AXPropertyName::IsChecked, object.isChecked());
setProperty(AXPropertyName::IsCollapsed, object.isCollapsed());
setProperty(AXPropertyName::IsControl, object.isControl());
setProperty(AXPropertyName::IsDescriptionList, object.isDescriptionList());
setProperty(AXPropertyName::IsEnabled, object.isEnabled());
setProperty(AXPropertyName::IsExpanded, object.isExpanded());
setProperty(AXPropertyName::IsFieldset, object.isFieldset());
setProperty(AXPropertyName::IsFileUploadButton, object.isFileUploadButton());
setProperty(AXPropertyName::IsFocused, object.isFocused());
setProperty(AXPropertyName::IsGroup, object.isGroup());
setProperty(AXPropertyName::IsHeading, object.isHeading());
setProperty(AXPropertyName::IsHovered, object.isHovered());
setProperty(AXPropertyName::IsImageMapLink, object.isImageMapLink());
setProperty(AXPropertyName::IsIndeterminate, object.isIndeterminate());
setProperty(AXPropertyName::IsInlineText, object.isInlineText());
setProperty(AXPropertyName::IsInputImage, object.isInputImage());
setProperty(AXPropertyName::IsLandmark, object.isLandmark());
setProperty(AXPropertyName::IsLink, object.isLink());
setProperty(AXPropertyName::IsLinked, object.isLinked());
setProperty(AXPropertyName::IsList, object.isList());
setProperty(AXPropertyName::IsMediaTimeline, object.isMediaTimeline());
setProperty(AXPropertyName::IsMenu, object.isMenu());
setProperty(AXPropertyName::IsMenuBar, object.isMenuBar());
setProperty(AXPropertyName::IsMenuButton, object.isMenuButton());
setProperty(AXPropertyName::IsMenuItem, object.isMenuItem());
setProperty(AXPropertyName::IsMenuList, object.isMenuList());
setProperty(AXPropertyName::IsMenuListOption, object.isMenuListOption());
setProperty(AXPropertyName::IsMenuListPopup, object.isMenuListPopup());
setProperty(AXPropertyName::IsMenuRelated, object.isMenuRelated());
setProperty(AXPropertyName::IsMeter, object.isMeter());
setProperty(AXPropertyName::IsMultiSelectable, object.isMultiSelectable());
setProperty(AXPropertyName::IsOrderedList, object.isOrderedList());
setProperty(AXPropertyName::IsOutput, object.isOutput());
setProperty(AXPropertyName::IsPasswordField, object.isPasswordField());
setProperty(AXPropertyName::IsPressed, object.isPressed());
setProperty(AXPropertyName::IsProgressIndicator, object.isProgressIndicator());
setProperty(AXPropertyName::IsRangeControl, object.isRangeControl());
setProperty(AXPropertyName::IsRequired, object.isRequired());
setProperty(AXPropertyName::IsScrollbar, object.isScrollbar());
setProperty(AXPropertyName::IsSearchField, object.isSearchField());
setProperty(AXPropertyName::IsSelected, object.isSelected());
setProperty(AXPropertyName::IsSelectedOptionActive, object.isSelectedOptionActive());
setProperty(AXPropertyName::IsSlider, object.isSlider());
setProperty(AXPropertyName::IsStyleFormatGroup, object.isStyleFormatGroup());
setProperty(AXPropertyName::IsTextControl, object.isTextControl());
setProperty(AXPropertyName::IsTree, object.isTree());
setProperty(AXPropertyName::IsUnorderedList, object.isUnorderedList());
setProperty(AXPropertyName::IsUnvisited, object.isUnvisited());
setProperty(AXPropertyName::IsValueAutofillAvailable, object.isValueAutofillAvailable());
setProperty(AXPropertyName::IsValueAutofilled, object.isValueAutofilled());
setProperty(AXPropertyName::IsVisible, object.isVisible());
setProperty(AXPropertyName::IsVisited, object.isVisited());
setProperty(AXPropertyName::RoleDescription, object.roleDescription().isolatedCopy());
setProperty(AXPropertyName::RolePlatformString, object.rolePlatformString().isolatedCopy());
setProperty(AXPropertyName::RoleValue, static_cast<int>(object.roleValue()));
setProperty(AXPropertyName::SubrolePlatformString, object.subrolePlatformString().isolatedCopy());
setProperty(AXPropertyName::SupportsDatetimeAttribute, object.supportsDatetimeAttribute());
setProperty(AXPropertyName::SupportsRowCountChange, object.supportsRowCountChange());
setProperty(AXPropertyName::Title, object.title().isolatedCopy());
setProperty(AXPropertyName::DatetimeAttributeValue, object.datetimeAttributeValue().isolatedCopy());
setProperty(AXPropertyName::CanSetFocusAttribute, object.canSetFocusAttribute());
setProperty(AXPropertyName::CanSetTextRangeAttributes, object.canSetTextRangeAttributes());
setProperty(AXPropertyName::CanSetValueAttribute, object.canSetValueAttribute());
setProperty(AXPropertyName::CanSetNumericValue, object.canSetNumericValue());
setProperty(AXPropertyName::SupportsRequiredAttribute, object.supportsRequiredAttribute());
setProperty(AXPropertyName::CanSetSelectedAttribute, object.canSetSelectedAttribute());
setProperty(AXPropertyName::CanSetSelectedChildren, object.canSetSelectedChildren());
setProperty(AXPropertyName::CanSetExpandedAttribute, object.canSetExpandedAttribute());
setProperty(AXPropertyName::IsShowingValidationMessage, object.isShowingValidationMessage());
setProperty(AXPropertyName::ValidationMessage, object.validationMessage().isolatedCopy());
setProperty(AXPropertyName::BlockquoteLevel, object.blockquoteLevel());
setProperty(AXPropertyName::HeadingLevel, object.headingLevel());
setProperty(AXPropertyName::AccessibilityButtonState, static_cast<int>(object.checkboxOrRadioValue()));
setProperty(AXPropertyName::ValueDescription, object.valueDescription().isolatedCopy());
setProperty(AXPropertyName::ValueForRange, object.valueForRange());
setProperty(AXPropertyName::MaxValueForRange, object.maxValueForRange());
setProperty(AXPropertyName::MinValueForRange, object.minValueForRange());
setObjectProperty(AXPropertyName::SelectedRadioButton, object.selectedRadioButton());
setObjectProperty(AXPropertyName::SelectedTabItem, object.selectedTabItem());
setProperty(AXPropertyName::LayoutCount, object.layoutCount());
setProperty(AXPropertyName::SupportsARIAOwns, object.supportsARIAOwns());
setProperty(AXPropertyName::HasPopup, object.hasPopup());
setProperty(AXPropertyName::PopupValue, object.popupValue().isolatedCopy());
setProperty(AXPropertyName::PressedIsPresent, object.pressedIsPresent());
setProperty(AXPropertyName::ARIAIsMultiline, object.ariaIsMultiline());
setProperty(AXPropertyName::InvalidStatus, object.invalidStatus().isolatedCopy());
setProperty(AXPropertyName::SupportsExpanded, object.supportsExpanded());
setProperty(AXPropertyName::SortDirection, static_cast<int>(object.sortDirection()));
setProperty(AXPropertyName::CanvasHasFallbackContent, object.canvasHasFallbackContent());
setProperty(AXPropertyName::SupportsRangeValue, object.supportsRangeValue());
setProperty(AXPropertyName::IdentifierAttribute, object.identifierAttribute().isolatedCopy());
setProperty(AXPropertyName::LinkRelValue, object.linkRelValue().isolatedCopy());
setProperty(AXPropertyName::CurrentState, static_cast<int>(object.currentState()));
setProperty(AXPropertyName::CurrentValue, object.currentValue().isolatedCopy());
setProperty(AXPropertyName::SupportsCurrent, object.supportsCurrent());
setProperty(AXPropertyName::KeyShortcutsValue, object.keyShortcutsValue().isolatedCopy());
setProperty(AXPropertyName::SupportsSetSize, object.supportsSetSize());
setProperty(AXPropertyName::SupportsPath, object.supportsPath());
setProperty(AXPropertyName::SupportsPosInSet, object.supportsPosInSet());
setProperty(AXPropertyName::SetSize, object.setSize());
setProperty(AXPropertyName::PosInSet, object.posInSet());
setProperty(AXPropertyName::SupportsDropping, object.supportsDropping());
setProperty(AXPropertyName::SupportsDragging, object.supportsDragging());
setProperty(AXPropertyName::IsGrabbed, object.isGrabbed());
setProperty(AXPropertyName::DropEffects, object.determineDropEffects());
setObjectProperty(AXPropertyName::TitleUIElement, object.titleUIElement());
setObjectProperty(AXPropertyName::VerticalScrollBar, object.scrollBar(AccessibilityOrientation::Vertical));
setObjectProperty(AXPropertyName::HorizontalScrollBar, object.scrollBar(AccessibilityOrientation::Horizontal));
setProperty(AXPropertyName::ARIARoleAttribute, static_cast<int>(object.ariaRoleAttribute()));
setProperty(AXPropertyName::PlaceholderValue, object.placeholderValue().isolatedCopy());
setProperty(AXPropertyName::ExpandedTextValue, object.expandedTextValue().isolatedCopy());
setProperty(AXPropertyName::SupportsExpandedTextValue, object.supportsExpandedTextValue());
setProperty(AXPropertyName::SupportsPressAction, object.supportsPressAction());
setProperty(AXPropertyName::ClickPoint, object.clickPoint());
setProperty(AXPropertyName::ComputedRoleString, object.computedRoleString().isolatedCopy());
setProperty(AXPropertyName::ValueAutofillButtonType, static_cast<int>(object.valueAutofillButtonType()));
setProperty(AXPropertyName::URL, object.url().isolatedCopy());
setProperty(AXPropertyName::AccessKey, object.accessKey().isolatedCopy());
setProperty(AXPropertyName::LocalizedActionVerb, object.localizedActionVerb().isolatedCopy());
setProperty(AXPropertyName::ActionVerb, object.actionVerb().isolatedCopy());
setProperty(AXPropertyName::ReadOnlyValue, object.readOnlyValue().isolatedCopy());
setProperty(AXPropertyName::AutoCompleteValue, object.autoCompleteValue().isolatedCopy());
setProperty(AXPropertyName::SpeakAs, object.speakAsProperty());
setProperty(AXPropertyName::StringValue, object.stringValue().isolatedCopy());
setObjectProperty(AXPropertyName::FocusableAncestor, object.focusableAncestor());
setObjectProperty(AXPropertyName::EditableAncestor, object.editableAncestor());
setObjectProperty(AXPropertyName::HighestEditableAncestor, object.highestEditableAncestor());
setProperty(AXPropertyName::Orientation, static_cast<int>(object.orientation()));
setProperty(AXPropertyName::HierarchicalLevel, object.hierarchicalLevel());
setProperty(AXPropertyName::Language, object.language().isolatedCopy());
setProperty(AXPropertyName::CanHaveSelectedChildren, object.canHaveSelectedChildren());
setProperty(AXPropertyName::TagName, object.tagName().isolatedCopy());
setProperty(AXPropertyName::SupportsLiveRegion, object.supportsLiveRegion());
setProperty(AXPropertyName::IsInsideLiveRegion, object.isInsideLiveRegion());
setProperty(AXPropertyName::LiveRegionStatus, object.liveRegionStatus().isolatedCopy());
setProperty(AXPropertyName::LiveRegionRelevant, object.liveRegionRelevant().isolatedCopy());
setProperty(AXPropertyName::LiveRegionAtomic, object.liveRegionAtomic());
setProperty(AXPropertyName::Path, object.elementPath());
setProperty(AXPropertyName::HasHighlighting, object.hasHighlighting());
setProperty(AXPropertyName::HasBoldFont, object.hasBoldFont());
setProperty(AXPropertyName::HasItalicFont, object.hasItalicFont());
setProperty(AXPropertyName::HasPlainText, object.hasPlainText());
setProperty(AXPropertyName::HasUnderline, object.hasUnderline());
setProperty(AXPropertyName::IsKeyboardFocusable, object.isKeyboardFocusable());
setObjectProperty(AXPropertyName::NextSibling, object.nextSibling());
setObjectProperty(AXPropertyName::PreviousSibling, object.previousSibling());
setProperty(AXPropertyName::SupportsCheckedState, object.supportsCheckedState());
setProperty(AXPropertyName::BrailleRoleDescription, object.brailleRoleDescription().isolatedCopy());
setProperty(AXPropertyName::BrailleLabel, object.brailleLabel().isolatedCopy());
if (object.isTable()) {
setProperty(AXPropertyName::IsTable, true);
setProperty(AXPropertyName::IsExposable, object.isExposable());
setProperty(AXPropertyName::IsDataTable, object.isDataTable());
setProperty(AXPropertyName::TableLevel, object.tableLevel());
setProperty(AXPropertyName::SupportsSelectedRows, object.supportsSelectedRows());
setObjectVectorProperty(AXPropertyName::Columns, object.columns());
setObjectVectorProperty(AXPropertyName::Rows, object.rows());
setProperty(AXPropertyName::ColumnCount, object.columnCount());
setProperty(AXPropertyName::RowCount, object.rowCount());
setObjectVectorProperty(AXPropertyName::Cells, object.cells());
setObjectVectorProperty(AXPropertyName::ColumnHeaders, object.columnHeaders());
setObjectVectorProperty(AXPropertyName::RowHeaders, object.rowHeaders());
setObjectVectorProperty(AXPropertyName::VisibleRows, object.visibleRows());
setObjectProperty(AXPropertyName::HeaderContainer, object.headerContainer());
setProperty(AXPropertyName::AXColumnCount, object.axColumnCount());
setProperty(AXPropertyName::AXRowCount, object.axRowCount());
}
if (object.isTableCell()) {
setProperty(AXPropertyName::IsTableCell, true);
setProperty(AXPropertyName::ColumnIndexRange, object.columnIndexRange());
setProperty(AXPropertyName::RowIndexRange, object.rowIndexRange());
setObjectVectorProperty(AXPropertyName::ColumnHeaders, object.columnHeaders());
setObjectVectorProperty(AXPropertyName::RowHeaders, object.rowHeaders());
setProperty(AXPropertyName::IsColumnHeaderCell, object.isColumnHeaderCell());
setProperty(AXPropertyName::IsRowHeaderCell, object.isRowHeaderCell());
setProperty(AXPropertyName::AXColumnIndex, object.axColumnIndex());
setProperty(AXPropertyName::AXRowIndex, object.axRowIndex());
}
if (object.isTableColumn()) {
setProperty(AXPropertyName::IsTableColumn, true);
setProperty(AXPropertyName::ColumnIndex, object.columnIndex());
setObjectProperty(AXPropertyName::ColumnHeader, object.columnHeader());
} else if (object.isTableRow()) {
setProperty(AXPropertyName::IsTableRow, true);
setProperty(AXPropertyName::RowIndex, object.rowIndex());
}
if (object.isARIATreeGridRow()) {
setProperty(AXPropertyName::IsARIATreeGridRow, true);
setObjectVectorProperty(AXPropertyName::DisclosedRows, object.disclosedRows());
setObjectProperty(AXPropertyName::DisclosedByRow, object.disclosedByRow());
}
if (object.isTreeItem())
setObjectVectorProperty(AXPropertyName::DisclosedRows, object.disclosedRows());
if (object.isTextControl())
setProperty(AXPropertyName::TextLength, object.textLength());
if (object.isRadioButton()) {
if (auto nameAttribute = object.attributeValue("name"))
setProperty(AXPropertyName::NameAttribute, nameAttribute->isolatedCopy());
}
if (object.canHaveSelectedChildren()) {
AccessibilityChildrenVector selectedChildren;
object.selectedChildren(selectedChildren);
setObjectVectorProperty(AXPropertyName::SelectedChildren, selectedChildren);
}
if (object.isImage())
setProperty(AXPropertyName::EmbeddedImageDescription, object.embeddedImageDescription().isolatedCopy());
setObjectVectorProperty(AXPropertyName::Contents, object.contents());
AccessibilityChildrenVector visibleChildren;
object.visibleChildren(visibleChildren);
setObjectVectorProperty(AXPropertyName::VisibleChildren, visibleChildren);
AccessibilityChildrenVector tabChildren;
object.tabChildren(tabChildren);
setObjectVectorProperty(AXPropertyName::TabChildren, tabChildren);
AccessibilityChildrenVector ariaTreeRows;
object.ariaTreeRows(ariaTreeRows);
setObjectVectorProperty(AXPropertyName::ARIATreeRows, ariaTreeRows);
AccessibilityChildrenVector ariaTreeItemContent;
object.ariaTreeItemContent(ariaTreeItemContent);
setObjectVectorProperty(AXPropertyName::ARIATreeItemContent, ariaTreeItemContent);
AccessibilityChildrenVector linkedUIElements;
object.linkedUIElements(linkedUIElements);
setObjectVectorProperty(AXPropertyName::LinkedUIElements, linkedUIElements);
AccessibilityChildrenVector ariaControlsElements;
object.ariaControlsElements(ariaControlsElements);
setObjectVectorProperty(AXPropertyName::ARIAControlsElements, ariaControlsElements);
AccessibilityChildrenVector ariaDetailsElements;
object.ariaDetailsElements(ariaDetailsElements);
setObjectVectorProperty(AXPropertyName::ARIADetailsElements, ariaDetailsElements);
AccessibilityChildrenVector ariaErrorMessageElements;
object.ariaErrorMessageElements(ariaErrorMessageElements);
setObjectVectorProperty(AXPropertyName::ARIAErrorMessageElements, ariaErrorMessageElements);
AccessibilityChildrenVector ariaFlowToElements;
object.ariaFlowToElements(ariaFlowToElements);
setObjectVectorProperty(AXPropertyName::ARIAFlowToElements, ariaFlowToElements);
AccessibilityChildrenVector ariaOwnsElements;
object.ariaOwnsElements(ariaOwnsElements);
setObjectVectorProperty(AXPropertyName::ARIAOwnsElements, ariaOwnsElements);
Vector<AccessibilityText> texts;
object.accessibilityText(texts);
Vector<AccessibilityText> isolatedTexts;
isolatedTexts.reserveCapacity(texts.size());
for (const auto& text : texts) {
AccessibilityText isolatedText(text.text.isolatedCopy(), text.textSource);
isolatedTexts.uncheckedAppend(isolatedText);
}
setProperty(AXPropertyName::AccessibilityText, isolatedTexts);
// Spin button support.
setObjectProperty(AXPropertyName::DecrementButton, object.decrementButton());
setObjectProperty(AXPropertyName::IncrementButton, object.incrementButton());
setProperty(AXPropertyName::IsIncrementor, object.isIncrementor());
Vector<String> classList;
object.classList(classList);
String combinedClassList;
for (auto it = classList.begin(), end = classList.end(); it != end; ++it) {
combinedClassList.append(*it);
combinedClassList.append(" ");
}
setProperty(AXPropertyName::ClassList, combinedClassList);
setProperty(AXPropertyName::ColorValue, object.colorValue());
if (bool isMathElement = object.isMathElement()) {
setProperty(AXPropertyName::IsMathElement, isMathElement);
setProperty(AXPropertyName::IsAnonymousMathOperator, object.isAnonymousMathOperator());
setProperty(AXPropertyName::IsMathFraction, object.isMathFraction());
setProperty(AXPropertyName::IsMathFenced, object.isMathFenced());
setProperty(AXPropertyName::IsMathSubscriptSuperscript, object.isMathSubscriptSuperscript());
setProperty(AXPropertyName::IsMathRow, object.isMathRow());
setProperty(AXPropertyName::IsMathUnderOver, object.isMathUnderOver());
setProperty(AXPropertyName::IsMathText, object.isMathText());
setProperty(AXPropertyName::IsMathNumber, object.isMathNumber());
setProperty(AXPropertyName::IsMathOperator, object.isMathOperator());
setProperty(AXPropertyName::IsMathFenceOperator, object.isMathFenceOperator());
setProperty(AXPropertyName::IsMathSeparatorOperator, object.isMathSeparatorOperator());
setProperty(AXPropertyName::IsMathIdentifier, object.isMathIdentifier());
setProperty(AXPropertyName::IsMathTable, object.isMathTable());
setProperty(AXPropertyName::IsMathTableRow, object.isMathTableRow());
setProperty(AXPropertyName::IsMathTableCell, object.isMathTableCell());
setProperty(AXPropertyName::IsMathMultiscript, object.isMathMultiscript());
setProperty(AXPropertyName::IsMathToken, object.isMathToken());
setProperty(AXPropertyName::MathFencedOpenString, object.mathFencedOpenString().isolatedCopy());
setProperty(AXPropertyName::MathFencedCloseString, object.mathFencedCloseString().isolatedCopy());
setProperty(AXPropertyName::MathLineThickness, object.mathLineThickness());
bool isMathRoot = object.isMathRoot();
setProperty(AXPropertyName::IsMathRoot, isMathRoot);
setProperty(AXPropertyName::IsMathSquareRoot, object.isMathSquareRoot());
if (isMathRoot) {
if (auto radicand = object.mathRadicand())
setObjectVectorProperty(AXPropertyName::MathRadicand, *radicand);
setObjectProperty(AXPropertyName::MathRootIndexObject, object.mathRootIndexObject());
}
setObjectProperty(AXPropertyName::MathUnderObject, object.mathUnderObject());
setObjectProperty(AXPropertyName::MathOverObject, object.mathOverObject());
setObjectProperty(AXPropertyName::MathNumeratorObject, object.mathNumeratorObject());
setObjectProperty(AXPropertyName::MathDenominatorObject, object.mathDenominatorObject());
setObjectProperty(AXPropertyName::MathBaseObject, object.mathBaseObject());
setObjectProperty(AXPropertyName::MathSubscriptObject, object.mathSubscriptObject());
setObjectProperty(AXPropertyName::MathSuperscriptObject, object.mathSuperscriptObject());
setMathscripts(AXPropertyName::MathPrescripts, object);
setMathscripts(AXPropertyName::MathPostscripts, object);
}
if (isRoot) {
setObjectProperty(AXPropertyName::WebArea, object.webAreaObject());
setProperty(AXPropertyName::SessionID, object.sessionID().isolatedCopy());
setProperty(AXPropertyName::DocumentURI, object.documentURI().isolatedCopy());
setProperty(AXPropertyName::DocumentEncoding, object.documentEncoding().isolatedCopy());
}
// We only expose document links in web area objects.
if (object.isWebArea())
setObjectVectorProperty(AXPropertyName::DocumentLinks, object.documentLinks());
if (object.isWidget())
setProperty(AXPropertyName::IsWidget, true);
initializePlatformProperties(object, isRoot);
}
AXCoreObject* AXIsolatedObject::associatedAXObject() const
{
ASSERT(isMainThread());
if (!m_id.isValid())
return nullptr;
if (auto* axObjectCache = this->axObjectCache()) {
if (auto* axObject = axObjectCache->objectFromAXID(m_id)) {
axObject->updateBackingStore();
return axObject;
}
}
return nullptr;
}
void AXIsolatedObject::setMathscripts(AXPropertyName propertyName, AXCoreObject& object)
{
AccessibilityMathMultiscriptPairs pairs;
if (propertyName == AXPropertyName::MathPrescripts)
object.mathPrescripts(pairs);
else if (propertyName == AXPropertyName::MathPostscripts)
object.mathPostscripts(pairs);
size_t mathSize = pairs.size();
if (!mathSize)
return;
Vector<std::pair<AXID, AXID>> idPairs;
idPairs.reserveCapacity(mathSize);
for (auto mathPair : pairs) {
std::pair<AXID, AXID> idPair;
if (mathPair.first)
idPair.first = mathPair.first->objectID();
if (mathPair.second)
idPair.second = mathPair.second->objectID();
idPairs.uncheckedAppend(idPair);
}
setProperty(propertyName, idPairs);
}
void AXIsolatedObject::setObjectProperty(AXPropertyName propertyName, AXCoreObject* object)
{
if (object)
setProperty(propertyName, object->objectID());
else
setProperty(propertyName, nullptr, true);
}
void AXIsolatedObject::setObjectVectorProperty(AXPropertyName propertyName, const AccessibilityChildrenVector& children)
{
if (!children.size())
return;
Vector<AXID> childIDs;
childIDs.reserveCapacity(children.size());
for (auto child : children)
childIDs.uncheckedAppend(child->objectID());
setProperty(propertyName, childIDs);
}
void AXIsolatedObject::setProperty(AXPropertyName propertyName, AXPropertyValueVariant&& value, bool shouldRemove)
{
if (shouldRemove)
m_propertyMap.remove(propertyName);
else
m_propertyMap.set(propertyName, value);
}
void AXIsolatedObject::setParent(AXID parent)
{
ASSERT(isMainThread());
m_parentID = parent;
}
void AXIsolatedObject::detachRemoteParts(AccessibilityDetachmentType)
{
for (const auto& childID : m_childrenIDs) {
if (auto child = tree()->nodeForID(childID))
child->detachFromParent();
}
m_childrenIDs.clear();
}
bool AXIsolatedObject::isDetached() const
{
ASSERT_NOT_REACHED();
return false;
}
void AXIsolatedObject::detachFromParent()
{
m_parentID = { };
}
const AXCoreObject::AccessibilityChildrenVector& AXIsolatedObject::children(bool updateChildrenIfNeeded)
{
#if USE(APPLE_INTERNAL_SDK)
ASSERT(_AXSIsolatedTreeModeFunctionIsAvailable() && ((_AXSIsolatedTreeMode_Soft() == AXSIsolatedTreeModeSecondaryThread && !isMainThread())
|| (_AXSIsolatedTreeMode_Soft() == AXSIsolatedTreeModeMainThread && isMainThread())));
#elif USE(ATSPI)
ASSERT(!isMainThread());
#endif
if (updateChildrenIfNeeded) {
updateBackingStore();
m_children.clear();
m_children.reserveInitialCapacity(m_childrenIDs.size());
for (const auto& childID : m_childrenIDs) {
if (auto child = tree()->nodeForID(childID))
m_children.uncheckedAppend(child);
}
}
return m_children;
}
void AXIsolatedObject::updateChildrenIfNecessary()
{
// FIXME: this is a no-op for isolated objects and should be removed from
// the public interface. It is used in the mac implementation of
// [WebAccessibilityObjectWrapper accessibilityHitTest].
}
void AXIsolatedObject::setSelectedChildren(const AccessibilityChildrenVector& selectedChildren)
{
ASSERT(selectedChildren.isEmpty() || (selectedChildren[0] && selectedChildren[0]->isAXIsolatedObjectInstance()));
performFunctionOnMainThread([&] (AXCoreObject* object) {
if (selectedChildren.isEmpty()) {
// No selection, no need to convert objects from isolated to live.
object->setSelectedChildren(selectedChildren);
return;
}
auto* axObjectCache = this->axObjectCache();
if (!axObjectCache)
return;
auto axIDs = tree()->idsForObjects(selectedChildren);
auto axSelectedChildren = axObjectCache->objectsForIDs(axIDs);
object->setSelectedChildren(axSelectedChildren);
});
}
AXCoreObject::AccessibilityChildrenVector AXIsolatedObject::contents()
{
AccessibilityChildrenVector result;
fillChildrenVectorForProperty(AXPropertyName::Contents, result);
return result;
}
bool AXIsolatedObject::isDetachedFromParent()
{
if (parent().isValid())
return false;
// Check whether this is the root node, in which case we should return false.
if (auto root = tree()->rootNode())
return root->objectID() != m_id;
return false;
}
AXCoreObject* AXIsolatedObject::cellForColumnAndRow(unsigned columnIndex, unsigned rowIndex)
{
AXID cellID = Accessibility::retrieveValueFromMainThread<AXID>([&columnIndex, &rowIndex, this] () -> AXID {
if (auto* object = associatedAXObject()) {
if (auto cell = object->cellForColumnAndRow(columnIndex, rowIndex))
return cell->objectID();
}
return { };
});
return tree()->nodeForID(cellID).get();
}
void AXIsolatedObject::accessibilityText(Vector<AccessibilityText>& texts) const
{
texts = vectorAttributeValue<AccessibilityText>(AXPropertyName::AccessibilityText);
}
void AXIsolatedObject::classList(Vector<String>& list) const
{
String classList = stringAttributeValue(AXPropertyName::ClassList);
list.appendVector(classList.split(" "));
}
PAL::SessionID AXIsolatedObject::sessionID() const
{
if (auto root = tree()->rootNode())
return root->sessionIDAttributeValue(AXPropertyName::SessionID);
return PAL::SessionID(PAL::SessionID::SessionConstants::HashTableEmptyValueID);
}
String AXIsolatedObject::documentURI() const
{
if (auto root = tree()->rootNode())
return root->stringAttributeValue(AXPropertyName::DocumentURI);
return String();
}
String AXIsolatedObject::documentEncoding() const
{
if (auto root = tree()->rootNode())
return root->stringAttributeValue(AXPropertyName::DocumentEncoding);
return String();
}
void AXIsolatedObject::insertMathPairs(Vector<std::pair<AXID, AXID>>& isolatedPairs, AccessibilityMathMultiscriptPairs& pairs)
{
for (const auto& pair : isolatedPairs) {
AccessibilityMathMultiscriptPair prescriptPair;
if (auto coreObject = tree()->nodeForID(pair.first).get())
prescriptPair.first = coreObject;
if (auto coreObject = tree()->nodeForID(pair.second).get())
prescriptPair.second = coreObject;
pairs.append(prescriptPair);
}
}
void AXIsolatedObject::mathPrescripts(AccessibilityMathMultiscriptPairs& pairs)
{
auto isolatedPairs = vectorAttributeValue<std::pair<AXID, AXID>>(AXPropertyName::MathPrescripts);
insertMathPairs(isolatedPairs, pairs);
}
void AXIsolatedObject::mathPostscripts(AccessibilityMathMultiscriptPairs& pairs)
{
auto isolatedPairs = vectorAttributeValue<std::pair<AXID, AXID>>(AXPropertyName::MathPostscripts);
insertMathPairs(isolatedPairs, pairs);
}
std::optional<AXCoreObject::AccessibilityChildrenVector> AXIsolatedObject::mathRadicand()
{
if (m_propertyMap.contains(AXPropertyName::MathRadicand)) {
Vector<RefPtr<AXCoreObject>> radicand;
fillChildrenVectorForProperty(AXPropertyName::MathRadicand, radicand);
return { radicand };
}
return std::nullopt;
}
AXCoreObject* AXIsolatedObject::focusedUIElement() const
{
return tree()->focusedNode().get();
}
AXCoreObject* AXIsolatedObject::parentObjectUnignored() const
{
return tree()->nodeForID(parent()).get();
}
AXCoreObject* AXIsolatedObject::scrollBar(AccessibilityOrientation orientation)
{
return objectAttributeValue(orientation == AccessibilityOrientation::Vertical ? AXPropertyName::VerticalScrollBar : AXPropertyName::HorizontalScrollBar);
}
void AXIsolatedObject::setARIAGrabbed(bool value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setARIAGrabbed(value);
});
}
void AXIsolatedObject::setIsExpanded(bool value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setIsExpanded(value);
});
}
bool AXIsolatedObject::performDismissAction()
{
return Accessibility::retrieveValueFromMainThread<bool>([this] () -> bool {
if (auto* axObject = associatedAXObject())
return axObject->performDismissAction();
return false;
});
}
void AXIsolatedObject::scrollToMakeVisible() const
{
performFunctionOnMainThread([] (AXCoreObject* axObject) {
axObject->scrollToMakeVisible();
});
}
void AXIsolatedObject::scrollToMakeVisibleWithSubFocus(const IntRect& rect) const
{
performFunctionOnMainThread([&rect] (AXCoreObject* axObject) {
axObject->scrollToMakeVisibleWithSubFocus(rect);
});
}
void AXIsolatedObject::scrollToGlobalPoint(const IntPoint& point) const
{
performFunctionOnMainThread([&point] (AXCoreObject* axObject) {
axObject->scrollToGlobalPoint(point);
});
}
bool AXIsolatedObject::setValue(float value)
{
return Accessibility::retrieveValueFromMainThread<bool>([&value, this] () -> bool {
if (auto* axObject = associatedAXObject())
return axObject->setValue(value);
return false;
});
}
bool AXIsolatedObject::setValue(const String& value)
{
return Accessibility::retrieveValueFromMainThread<bool>([&value, this] () -> bool {
if (auto* axObject = associatedAXObject())
return axObject->setValue(value);
return false;
});
}
void AXIsolatedObject::setSelected(bool value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setSelected(value);
});
}
void AXIsolatedObject::setSelectedRows(AccessibilityChildrenVector& value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setSelectedRows(value);
});
}
void AXIsolatedObject::setFocused(bool value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setFocused(value);
});
}
void AXIsolatedObject::setSelectedText(const String& value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setSelectedText(value);
});
}
void AXIsolatedObject::setSelectedTextRange(const PlainTextRange& value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setSelectedTextRange(value);
});
}
#if PLATFORM(COCOA) && !PLATFORM(IOS_FAMILY)
void AXIsolatedObject::setCaretBrowsingEnabled(bool value)
{
performFunctionOnMainThread([&value](AXCoreObject* object) {
object->setCaretBrowsingEnabled(value);
});
}
#endif
String AXIsolatedObject::computedLabel()
{
// This is only used by the web inspector that calls AccessibilityObject::computedLabel().
ASSERT_NOT_REACHED();
return { };
}
SRGBA<uint8_t> AXIsolatedObject::colorValue() const
{
return colorAttributeValue(AXPropertyName::ColorValue).toColorTypeLossy<SRGBA<uint8_t>>();
}
AXCoreObject* AXIsolatedObject::accessibilityHitTest(const IntPoint& point) const
{
AXID axID = Accessibility::retrieveValueFromMainThread<AXID>([&point, this] () -> AXID {
if (auto* object = associatedAXObject()) {
object->updateChildrenIfNecessary();
if (auto* axObject = object->accessibilityHitTest(point))
return axObject->objectID();
}
return { };
});
return tree()->nodeForID(axID).get();
}
IntPoint AXIsolatedObject::intPointAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (IntPoint& typedValue) -> IntPoint { return typedValue; },
[] (auto&) { return IntPoint(); }
);
}
AXCoreObject* AXIsolatedObject::objectAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
AXID nodeID = WTF::switchOn(value,
[] (AXID& typedValue) -> AXID { return typedValue; },
[] (auto&) { return AXID(); }
);
return tree()->nodeForID(nodeID).get();
}
PAL::SessionID AXIsolatedObject::sessionIDAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (PAL::SessionID& typedValue) -> PAL::SessionID { return typedValue; },
[] (auto&) { return PAL::SessionID(PAL::SessionID::SessionConstants::HashTableEmptyValueID); }
);
}
template<typename T>
T AXIsolatedObject::rectAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (T& typedValue) -> T { return typedValue; },
[] (auto&) { return T { }; }
);
}
template<typename T>
Vector<T> AXIsolatedObject::vectorAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (Vector<T>& typedValue) -> Vector<T> { return typedValue; },
[] (auto&) { return Vector<T>(); }
);
}
template<typename T>
OptionSet<T> AXIsolatedObject::optionSetAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (T& typedValue) -> OptionSet<T> { return typedValue; },
[] (auto&) { return OptionSet<T>(); }
);
}
template<typename T>
std::pair<T, T> AXIsolatedObject::pairAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (std::pair<T, T>& typedValue) -> std::pair<T, T> { return typedValue; },
[] (auto&) { return std::pair<T, T>(0, 1); }
);
}
uint64_t AXIsolatedObject::uint64AttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (uint64_t& typedValue) -> uint64_t { return typedValue; },
[] (auto&) -> uint64_t { return 0; }
);
}
URL AXIsolatedObject::urlAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (URL& typedValue) -> URL { return typedValue; },
[] (auto&) { return URL(); }
);
}
Path AXIsolatedObject::pathAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (Path& typedValue) -> Path { return typedValue; },
[] (auto&) { return Path(); }
);
}
Color AXIsolatedObject::colorAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (Color& typedValue) -> Color { return typedValue; },
[] (auto&) { return Color(); }
);
}
float AXIsolatedObject::floatAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (float& typedValue) -> float { return typedValue; },
[] (auto&) { return 0.0f; }
);
}
double AXIsolatedObject::doubleAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (double& typedValue) -> double { return typedValue; },
[] (auto&) { return 0.0; }
);
}
unsigned AXIsolatedObject::unsignedAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (unsigned& typedValue) -> unsigned { return typedValue; },
[] (auto&) { return 0u; }
);
}
bool AXIsolatedObject::boolAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (bool& typedValue) { return typedValue; },
[] (auto&) { return false; }
);
}
String AXIsolatedObject::stringAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (String& typedValue) { return typedValue; },
[] (auto&) { return emptyString(); }
);
}
int AXIsolatedObject::intAttributeValue(AXPropertyName propertyName) const
{
auto value = m_propertyMap.get(propertyName);
return WTF::switchOn(value,
[] (int& typedValue) { return typedValue; },
[] (auto&) { return 0; }
);
}
void AXIsolatedObject::fillChildrenVectorForProperty(AXPropertyName propertyName, AccessibilityChildrenVector& children) const
{
Vector<AXID> childIDs = vectorAttributeValue<AXID>(propertyName);
children.reserveCapacity(childIDs.size());
for (const auto& childID : childIDs) {
if (auto object = tree()->nodeForID(childID))
children.uncheckedAppend(object);
}
}
void AXIsolatedObject::updateBackingStore()
{
// This method can be called on either the main or the AX threads.
if (auto tree = this->tree())
tree->applyPendingChanges();