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AccessibilityUIElement.cpp
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/*
* Copyright (C) 2008-2022 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. ``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
* 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"
#include "AccessibilityUIElement.h"
#include <JavaScriptCore/JSObjectRef.h>
#include <limits.h>
// Static Functions
static inline AccessibilityUIElement* toAXElement(JSObjectRef object)
{
// FIXME: We should ASSERT that it is the right class here.
return static_cast<AccessibilityUIElement*>(JSObjectGetPrivate(object));
}
static JSValueRef allAttributesCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto attributes = toAXElement(thisObject)->allAttributes();
return JSValueMakeString(context, attributes.get());
}
static JSValueRef attributesOfLinkedUIElementsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto linkedUIDescription = toAXElement(thisObject)->attributesOfLinkedUIElements();
return JSValueMakeString(context, linkedUIDescription.get());
}
static JSValueRef attributesOfDocumentLinksCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto linkedUIDescription = toAXElement(thisObject)->attributesOfDocumentLinks();
return JSValueMakeString(context, linkedUIDescription.get());
}
static JSValueRef attributesOfChildrenCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto childrenDescription = toAXElement(thisObject)->attributesOfChildren();
return JSValueMakeString(context, childrenDescription.get());
}
static JSValueRef parameterizedAttributeNamesCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto parameterizedAttributeNames = toAXElement(thisObject)->parameterizedAttributeNames();
return JSValueMakeString(context, parameterizedAttributeNames.get());
}
static JSValueRef attributesOfColumnHeadersCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto attributesOfColumnHeaders = toAXElement(thisObject)->attributesOfColumnHeaders();
return JSValueMakeString(context, attributesOfColumnHeaders.get());
}
static JSValueRef attributesOfRowHeadersCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto attributesOfRowHeaders = toAXElement(thisObject)->attributesOfRowHeaders();
return JSValueMakeString(context, attributesOfRowHeaders.get());
}
static JSValueRef attributesOfColumnsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto attributesOfColumns = toAXElement(thisObject)->attributesOfColumns();
return JSValueMakeString(context, attributesOfColumns.get());
}
static JSValueRef attributesOfRowsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto attributesOfRows = toAXElement(thisObject)->attributesOfRows();
return JSValueMakeString(context, attributesOfRows.get());
}
static JSValueRef attributesOfVisibleCellsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto attributesOfVisibleCells = toAXElement(thisObject)->attributesOfVisibleCells();
return JSValueMakeString(context, attributesOfVisibleCells.get());
}
static JSValueRef attributesOfHeaderCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto attributesOfHeader = toAXElement(thisObject)->attributesOfHeader();
return JSValueMakeString(context, attributesOfHeader.get());
}
static JSValueRef indexInTableCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeNumber(context, toAXElement(thisObject)->indexInTable());
}
static JSValueRef rowIndexRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto rowIndexRange = toAXElement(thisObject)->rowIndexRange();
return JSValueMakeString(context, rowIndexRange.get());
}
static JSValueRef columnIndexRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto columnIndexRange = toAXElement(thisObject)->columnIndexRange();
return JSValueMakeString(context, columnIndexRange.get());
}
static JSValueRef lineForIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = -1;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return JSValueMakeNumber(context, toAXElement(thisObject)->lineForIndex(indexNumber));
}
static JSValueRef rangeForLineCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = -1;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
auto rangeLine = toAXElement(thisObject)->rangeForLine(indexNumber);
return JSValueMakeString(context, rangeLine.get());
}
static JSValueRef boundsForRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned location = UINT_MAX, length = 0;
if (argumentCount == 2) {
location = JSValueToNumber(context, arguments[0], exception);
length = JSValueToNumber(context, arguments[1], exception);
}
auto boundsDescription = toAXElement(thisObject)->boundsForRange(location, length);
return JSValueMakeString(context, boundsDescription.get());
}
static JSValueRef rangeForPositionCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int x = 0, y = 0;
if (argumentCount == 2) {
x = JSValueToNumber(context, arguments[0], exception);
y = JSValueToNumber(context, arguments[1], exception);
}
auto rangeDescription = toAXElement(thisObject)->rangeForPosition(x, y);
return JSValueMakeString(context, rangeDescription.get());
}
static JSValueRef stringForRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned location = UINT_MAX, length = 0;
if (argumentCount == 2) {
location = JSValueToNumber(context, arguments[0], exception);
length = JSValueToNumber(context, arguments[1], exception);
}
auto stringDescription = toAXElement(thisObject)->stringForRange(location, length);
return JSValueMakeString(context, stringDescription.get());
}
static JSValueRef attributedStringForRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned location = UINT_MAX, length = 0;
if (argumentCount == 2) {
location = JSValueToNumber(context, arguments[0], exception);
length = JSValueToNumber(context, arguments[1], exception);
}
auto stringDescription = toAXElement(thisObject)->attributedStringForRange(location, length);
return JSValueMakeString(context, stringDescription.get());
}
static JSValueRef attributedStringRangeIsMisspelledCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned location = UINT_MAX, length = 0;
if (argumentCount == 2) {
location = JSValueToNumber(context, arguments[0], exception);
length = JSValueToNumber(context, arguments[1], exception);
}
return JSValueMakeBoolean(context, toAXElement(thisObject)->attributedStringRangeIsMisspelled(location, length));
}
static JSValueRef uiElementCountForSearchPredicateCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityUIElement* startElement = nullptr;
bool isDirectionNext = true;
JSValueRef searchKey = nullptr;
JSRetainPtr<JSStringRef> searchText;
bool visibleOnly = false;
bool immediateDescendantsOnly = false;
if (argumentCount >= 5 && argumentCount <= 6) {
if (JSValueIsObject(context, arguments[0]))
startElement = toAXElement(JSValueToObject(context, arguments[0], exception));
isDirectionNext = JSValueToBoolean(context, arguments[1]);
searchKey = arguments[2];
if (JSValueIsString(context, arguments[3]))
searchText = adopt(JSValueToStringCopy(context, arguments[3], exception));
visibleOnly = JSValueToBoolean(context, arguments[4]);
if (argumentCount == 6)
immediateDescendantsOnly = JSValueToBoolean(context, arguments[5]);
}
return JSValueMakeNumber(context, toAXElement(thisObject)->uiElementCountForSearchPredicate(context, startElement, isDirectionNext, searchKey, searchText.get(), visibleOnly, immediateDescendantsOnly));
}
static JSValueRef uiElementForSearchPredicateCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityUIElement* startElement = nullptr;
bool isDirectionNext = true;
JSValueRef searchKey = nullptr;
JSRetainPtr<JSStringRef> searchText = nullptr;
bool visibleOnly = false;
bool immediateDescendantsOnly = false;
if (argumentCount >= 5 && argumentCount <= 6) {
if (JSValueIsObject(context, arguments[0]))
startElement = toAXElement(JSValueToObject(context, arguments[0], exception));
isDirectionNext = JSValueToBoolean(context, arguments[1]);
searchKey = arguments[2];
if (JSValueIsString(context, arguments[3]))
searchText = adopt(JSValueToStringCopy(context, arguments[3], exception));
visibleOnly = JSValueToBoolean(context, arguments[4]);
if (argumentCount == 6)
immediateDescendantsOnly = JSValueToBoolean(context, arguments[5]);
}
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->uiElementForSearchPredicate(context, startElement, isDirectionNext, searchKey, searchText.get(), visibleOnly, immediateDescendantsOnly));
}
static JSValueRef selectTextWithCriteriaCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount < 2 || argumentCount > 4)
return JSValueMakeUndefined(context);
auto ambiguityResolution = adopt(JSValueToStringCopy(context, arguments[0], exception));
JSValueRef searchStrings = arguments[1];
JSStringRef replacementString = nullptr;
if (argumentCount == 3)
replacementString = JSValueToStringCopy(context, arguments[2], exception);
JSStringRef activityString = nullptr;
if (argumentCount == 4)
activityString = JSValueToStringCopy(context, arguments[3], exception);
auto result = toAXElement(thisObject)->selectTextWithCriteria(context, ambiguityResolution.get(), searchStrings, replacementString, activityString);
if (replacementString)
JSStringRelease(replacementString);
if (activityString)
JSStringRelease(activityString);
return JSValueMakeString(context, result.get());
}
#if PLATFORM(MAC)
static JSValueRef searchTextWithCriteriaCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount < 1)
return JSValueMakeUndefined(context);
JSValueRef searchStrings = arguments[0];
JSRetainPtr<JSStringRef> startFrom;
if (argumentCount > 1)
startFrom = adopt(JSValueToStringCopy(context, arguments[1], exception));
JSRetainPtr<JSStringRef> direction;
if (argumentCount > 2)
direction = adopt(JSValueToStringCopy(context, arguments[2], exception));
return toAXElement(thisObject)->searchTextWithCriteria(context, searchStrings, startFrom.get(), direction.get());
}
#endif
static JSValueRef indexOfChildCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount != 1)
return 0;
JSObjectRef otherElement = JSValueToObject(context, arguments[0], exception);
AccessibilityUIElement* childElement = toAXElement(otherElement);
return JSValueMakeNumber(context, (double)toAXElement(thisObject)->indexOfChild(childElement));
}
static JSObjectRef convertElementsToObjectArray(JSContextRef context, const Vector<AccessibilityUIElement>& elements)
{
auto array = JSObjectMakeArray(context, 0, nullptr, nullptr);
unsigned size = elements.size();
for (unsigned i = 0; i < size; ++i)
JSObjectSetPropertyAtIndex(context, array, i, AccessibilityUIElement::makeJSAccessibilityUIElement(context, elements[i]), 0);
return array;
}
#if PLATFORM(IOS_FAMILY)
static JSValueRef headerElementAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount != 1)
return 0;
unsigned index = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->headerElementAtIndex(index));
}
static JSValueRef linkedElementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->linkedElement());
}
static JSValueRef increaseTextSelectionCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->increaseTextSelection();
return JSValueMakeUndefined(context);
}
static JSValueRef scrollPageUpCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeBoolean(context, toAXElement(thisObject)->scrollPageUp());
}
static JSValueRef scrollPageDownCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeBoolean(context, toAXElement(thisObject)->scrollPageDown());
}
static JSValueRef scrollPageLeftCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeBoolean(context, toAXElement(thisObject)->scrollPageLeft());
}
static JSValueRef scrollPageRightCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeBoolean(context, toAXElement(thisObject)->scrollPageRight());
}
static JSValueRef decreaseTextSelectionCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->decreaseTextSelection();
return JSValueMakeUndefined(context);
}
static JSValueRef assistiveTechnologySimulatedFocusCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->assistiveTechnologySimulatedFocus();
return JSValueMakeUndefined(context);
}
static JSValueRef fieldsetAncestorElementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->fieldsetAncestorElement());
}
static JSValueRef attributedStringForElementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto stringDescription = toAXElement(thisObject)->attributedStringForElement();
return JSValueMakeString(context, stringDescription.get());
}
#endif // PLATFORM(IOS_FAMILY)
static JSValueRef childAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = -1;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->getChildAtIndex(indexNumber));
}
static JSValueRef selectedChildAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = -1;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->selectedChildAtIndex(indexNumber));
}
static JSValueRef linkedUIElementAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = -1;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->linkedUIElementAtIndex(indexNumber));
}
static JSValueRef disclosedRowAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = 0;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->disclosedRowAtIndex(indexNumber));
}
static JSValueRef ariaOwnsElementAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = 0;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->ariaOwnsElementAtIndex(indexNumber));
}
static JSValueRef ariaFlowToElementAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = 0;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->ariaFlowToElementAtIndex(indexNumber));
}
static JSValueRef ariaControlsElementAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = 0;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->ariaControlsElementAtIndex(indexNumber));
}
static JSValueRef selectedRowAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = 0;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->selectedRowAtIndex(indexNumber));
}
static JSValueRef rowAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int indexNumber = 0;
if (argumentCount == 1)
indexNumber = JSValueToNumber(context, arguments[0], exception);
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->rowAtIndex(indexNumber));
}
static JSValueRef isEqualCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSObjectRef otherElement = 0;
if (argumentCount == 1)
otherElement = JSValueToObject(context, arguments[0], exception);
else
return JSValueMakeBoolean(context, false);
return JSValueMakeBoolean(context, toAXElement(thisObject)->isEqual(toAXElement(otherElement)));
}
static JSValueRef setValueCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSRetainPtr<JSStringRef> valueText = 0;
if (argumentCount == 1) {
if (JSValueIsString(context, arguments[0]))
valueText = adopt(JSValueToStringCopy(context, arguments[0], exception));
}
toAXElement(thisObject)->setValue(valueText.get());
return JSValueMakeUndefined(context);
}
static JSValueRef setSelectedChildCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSObjectRef element = 0;
if (argumentCount == 1)
element = JSValueToObject(context, arguments[0], exception);
toAXElement(thisObject)->setSelectedChild(toAXElement(element));
return JSValueMakeUndefined(context);
}
static JSValueRef setSelectedChildAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount == 1) {
unsigned indexNumber = JSValueToNumber(context, arguments[0], exception);
toAXElement(thisObject)->setSelectedChildAtIndex(indexNumber);
}
return JSValueMakeUndefined(context);
}
static JSValueRef removeSelectionAtIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount == 1) {
unsigned indexNumber = JSValueToNumber(context, arguments[0], exception);
toAXElement(thisObject)->removeSelectionAtIndex(indexNumber);
}
return JSValueMakeUndefined(context);
}
static JSValueRef elementAtPointCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int x = 0;
int y = 0;
if (argumentCount == 2) {
x = JSValueToNumber(context, arguments[0], exception);
y = JSValueToNumber(context, arguments[1], exception);
}
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->elementAtPoint(x, y));
}
static JSValueRef isAttributeSupportedCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSStringRef attribute = 0;
if (argumentCount == 1)
attribute = JSValueToStringCopy(context, arguments[0], exception);
JSValueRef result = JSValueMakeBoolean(context, toAXElement(thisObject)->isAttributeSupported(attribute));
if (attribute)
JSStringRelease(attribute);
return result;
}
static JSValueRef isAttributeSettableCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSStringRef attribute = 0;
if (argumentCount == 1)
attribute = JSValueToStringCopy(context, arguments[0], exception);
JSValueRef result = JSValueMakeBoolean(context, toAXElement(thisObject)->isAttributeSettable(attribute));
if (attribute)
JSStringRelease(attribute);
return result;
}
static JSValueRef isPressActionSupportedCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeBoolean(context, toAXElement(thisObject)->isPressActionSupported());
}
static JSValueRef isIncrementActionSupportedCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeBoolean(context, toAXElement(thisObject)->isIncrementActionSupported());
}
static JSValueRef isDecrementActionSupportedCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSValueMakeBoolean(context, toAXElement(thisObject)->isDecrementActionSupported());
}
static JSValueRef boolAttributeValueCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSStringRef attribute = 0;
if (argumentCount == 1)
attribute = JSValueToStringCopy(context, arguments[0], exception);
bool val = toAXElement(thisObject)->boolAttributeValue(attribute);
JSValueRef result = JSValueMakeBoolean(context, val);
if (attribute)
JSStringRelease(attribute);
return result;
}
static JSValueRef setBoolAttributeValueCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSStringRef attribute = nullptr;
bool value = false;
if (argumentCount == 2) {
attribute = JSValueToStringCopy(context, arguments[0], exception);
value = JSValueToBoolean(context, arguments[1]);
}
toAXElement(thisObject)->setBoolAttributeValue(attribute, value);
if (attribute)
JSStringRelease(attribute);
return JSValueMakeUndefined(context);
}
static JSValueRef stringAttributeValueCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSStringRef attribute = 0;
if (argumentCount == 1)
attribute = JSValueToStringCopy(context, arguments[0], exception);
auto stringAttributeValue = toAXElement(thisObject)->stringAttributeValue(attribute);
JSValueRef result = JSValueMakeString(context, stringAttributeValue.get());
if (attribute)
JSStringRelease(attribute);
return result;
}
static JSValueRef columnHeadersCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
Vector<AccessibilityUIElement> elements;
toAXElement(thisObject)->columnHeaders(elements);
return convertElementsToObjectArray(context, elements);
}
static JSValueRef rowHeadersCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
Vector<AccessibilityUIElement> elements;
toAXElement(thisObject)->rowHeaders(elements);
return convertElementsToObjectArray(context, elements);
}
static JSValueRef selectedCellsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return toAXElement(thisObject)->selectedCells(context);
}
static JSValueRef uiElementArrayAttributeValueCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount != 1)
return JSValueMakeUndefined(context);
auto attribute = adopt(JSValueToStringCopy(context, arguments[0], exception));
Vector<AccessibilityUIElement> elements;
toAXElement(thisObject)->uiElementArrayAttributeValue(attribute.get(), elements);
return convertElementsToObjectArray(context, elements);
}
static JSValueRef uiElementAttributeValueCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSRetainPtr<JSStringRef> attribute;
if (argumentCount == 1)
attribute = adopt(JSValueToStringCopy(context, arguments[0], exception));
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->uiElementAttributeValue(attribute.get()));
}
static JSValueRef numberAttributeValueCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
JSStringRef attribute = 0;
if (argumentCount == 1)
attribute = JSValueToStringCopy(context, arguments[0], exception);
double val = toAXElement(thisObject)->numberAttributeValue(attribute);
JSValueRef result = JSValueMakeNumber(context, val);
if (attribute)
JSStringRelease(attribute);
return result;
}
static JSValueRef cellForColumnAndRowCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned column = 0, row = 0;
if (argumentCount == 2) {
column = JSValueToNumber(context, arguments[0], exception);
row = JSValueToNumber(context, arguments[1], exception);
}
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->cellForColumnAndRow(column, row));
}
static JSValueRef titleUIElementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->titleUIElement());
}
static JSValueRef parentElementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->parentElement());
}
static JSValueRef disclosedByRowCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return AccessibilityUIElement::makeJSAccessibilityUIElement(context, toAXElement(thisObject)->disclosedByRow());
}
static JSValueRef setSelectedTextRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned location = UINT_MAX, length = 0;
if (argumentCount == 2) {
location = JSValueToNumber(context, arguments[0], exception);
length = JSValueToNumber(context, arguments[1], exception);
}
toAXElement(thisObject)->setSelectedTextRange(location, length);
return JSValueMakeUndefined(context);
}
static JSValueRef incrementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->increment();
return JSValueMakeUndefined(context);
}
static JSValueRef decrementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->decrement();
return JSValueMakeUndefined(context);
}
static JSValueRef showMenuCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->showMenu();
return JSValueMakeUndefined(context);
}
static JSValueRef pressCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->press();
return JSValueMakeUndefined(context);
}
static JSValueRef dismissCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->dismiss();
return JSValueMakeUndefined(context);
}
static JSValueRef scrollToMakeVisibleWithSubFocusCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned x = 0;
unsigned y = 0;
unsigned width = 0;
unsigned height = 0;
if (argumentCount == 4) {
x = JSValueToNumber(context, arguments[0], exception);
y = JSValueToNumber(context, arguments[1], exception);
width = JSValueToNumber(context, arguments[2], exception);
height = JSValueToNumber(context, arguments[3], exception);
}
toAXElement(thisObject)->scrollToMakeVisibleWithSubFocus(x, y, width, height);
return JSValueMakeUndefined(context);
}
static JSValueRef scrollToGlobalPointCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
unsigned x = 0;
unsigned y = 0;
if (argumentCount == 2) {
x = JSValueToNumber(context, arguments[0], exception);
y = JSValueToNumber(context, arguments[1], exception);
}
toAXElement(thisObject)->scrollToGlobalPoint(x, y);
return JSValueMakeUndefined(context);
}
static JSValueRef scrollToMakeVisibleCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->scrollToMakeVisible();
return JSValueMakeUndefined(context);
}
static JSValueRef takeFocusCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->takeFocus();
return JSValueMakeUndefined(context);
}
static JSValueRef takeSelectionCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->takeSelection();
return JSValueMakeUndefined(context);
}
static JSValueRef addSelectionCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->addSelection();
return JSValueMakeUndefined(context);
}
static JSValueRef removeSelectionCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->removeSelection();
return JSValueMakeUndefined(context);
}
static JSValueRef lineTextMarkerRangeForTextMarkerCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarker* textMarker = nullptr;
if (argumentCount == 1)
textMarker = toTextMarker(JSValueToObject(context, arguments[0], exception));
return AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(context, toAXElement(thisObject)->lineTextMarkerRangeForTextMarker(textMarker));
}
static JSValueRef misspellingTextMarkerRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarkerRange* startRange = nullptr;
bool forward = true;
if (argumentCount >= 1)
startRange = toTextMarkerRange(JSValueToObject(context, arguments[0], exception));
if (argumentCount >= 2)
forward = JSValueToBoolean(context, arguments[1]);
return AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(context, toAXElement(thisObject)->misspellingTextMarkerRange(startRange, forward));
}
static JSValueRef textMarkerRangeForElementCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityUIElement* uiElement = 0;
if (argumentCount == 1)
uiElement = toAXElement(JSValueToObject(context, arguments[0], exception));
return AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(context, toAXElement(thisObject)->textMarkerRangeForElement(uiElement));
}
static JSValueRef selectedTextMarkerRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(context, toAXElement(thisObject)->selectedTextMarkerRange());
}
static JSValueRef resetSelectedTextMarkerRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
toAXElement(thisObject)->resetSelectedTextMarkerRange();
return JSValueMakeUndefined(context);
}
static JSValueRef replaceTextInRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount < 3)
return JSValueMakeUndefined(context);
auto text = adopt(JSValueToStringCopy(context, arguments[0], exception));
int position = JSValueToNumber(context, arguments[1], exception);
int length = JSValueToNumber(context, arguments[2], exception);
return JSValueMakeBoolean(context, toAXElement(thisObject)->replaceTextInRange(text.get(), position, length));
}
static JSValueRef insertTextCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (!argumentCount)
return JSValueMakeUndefined(context);
auto text = adopt(JSValueToStringCopy(context, arguments[0], exception));
return JSValueMakeBoolean(context, toAXElement(thisObject)->insertText(text.get()));
}
static JSValueRef textInputMarkedTextMarkerRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(context, toAXElement(thisObject)->textInputMarkedTextMarkerRange());
}
static JSValueRef attributedStringForTextMarkerRangeContainsAttributeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarkerRange* markerRange = 0;
JSStringRef attribute = 0;
if (argumentCount == 2) {
attribute = JSValueToStringCopy(context, arguments[0], exception);
markerRange = toTextMarkerRange(JSValueToObject(context, arguments[1], exception));
}
JSValueRef result = JSValueMakeBoolean(context, toAXElement(thisObject)->attributedStringForTextMarkerRangeContainsAttribute(attribute, markerRange));
if (attribute)
JSStringRelease(attribute);
return result;
}
static JSValueRef indexForTextMarkerCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarker* marker = 0;
if (argumentCount == 1)
marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
return JSValueMakeNumber(context, toAXElement(thisObject)->indexForTextMarker(marker));
}
static JSValueRef isTextMarkerNullCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarker* marker = nullptr;
if (argumentCount == 1)
marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
return JSValueMakeBoolean(context, toAXElement(thisObject)->isTextMarkerNull(marker));
}
static JSValueRef isTextMarkerValidCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarker* marker = nullptr;
if (argumentCount == 1)
marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
return JSValueMakeBoolean(context, toAXElement(thisObject)->isTextMarkerValid(marker));
}
static JSValueRef textMarkerForIndexCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int textIndex = 0;
if (argumentCount == 1)
textIndex = JSValueToNumber(context, arguments[0], exception);
return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->textMarkerForIndex(textIndex));
}
static JSValueRef textMarkerRangeLengthCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarkerRange* range = 0;
if (argumentCount == 1)
range = toTextMarkerRange(JSValueToObject(context, arguments[0], exception));
return JSValueMakeNumber(context, (int)toAXElement(thisObject)->textMarkerRangeLength(range));
}
static JSValueRef nextTextMarkerCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarker* marker = 0;
if (argumentCount == 1)
marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->nextTextMarker(marker));
}
static JSValueRef previousTextMarkerCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarker* marker = 0;
if (argumentCount == 1)
marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->previousTextMarker(marker));
}
static JSValueRef stringForTextMarkerRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarkerRange* markerRange = 0;
if (argumentCount == 1)
markerRange = toTextMarkerRange(JSValueToObject(context, arguments[0], exception));
auto markerRangeString = toAXElement(thisObject)->stringForTextMarkerRange(markerRange);
return JSValueMakeString(context, markerRangeString.get());
}
static JSValueRef attributedStringForTextMarkerRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarkerRange* markerRange = 0;
if (argumentCount == 1)
markerRange = toTextMarkerRange(JSValueToObject(context, arguments[0], exception));
auto markerRangeString = toAXElement(thisObject)->attributedStringForTextMarkerRange(markerRange);
return JSValueMakeString(context, markerRangeString.get());
}
static JSValueRef attributedStringForTextMarkerRangeWithOptionsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
AccessibilityTextMarkerRange* markerRange = nullptr;
bool includeSpellCheck = false;
if (argumentCount == 2) {
markerRange = toTextMarkerRange(JSValueToObject(context, arguments[0], exception));
includeSpellCheck = JSValueToBoolean(context, arguments[1]);
}
auto markerRangeString = toAXElement(thisObject)->attributedStringForTextMarkerRangeWithOptions(markerRange, includeSpellCheck);
return JSValueMakeString(context, markerRangeString.get());
}
static JSValueRef endTextMarkerForBoundsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int x = 0;
int y = 0;
int width = 0;
int height = 0;
if (argumentCount == 4) {
x = JSValueToNumber(context, arguments[0], exception);
y = JSValueToNumber(context, arguments[1], exception);
width = JSValueToNumber(context, arguments[2], exception);
height = JSValueToNumber(context, arguments[3], exception);
}
return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->endTextMarkerForBounds(x, y, width, height));
}
static JSValueRef startTextMarkerForBoundsCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int x = 0;
int y = 0;
int width = 0;
int height = 0;
if (argumentCount == 4) {
x = JSValueToNumber(context, arguments[0], exception);
y = JSValueToNumber(context, arguments[1], exception);
width = JSValueToNumber(context, arguments[2], exception);
height = JSValueToNumber(context, arguments[3], exception);
}
return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->startTextMarkerForBounds(x, y, width, height));
}
static JSValueRef textMarkerForPointCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
int x = 0;
int y = 0;
if (argumentCount == 2) {