| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| #import "config.h" |
| #import "DumpRenderTree.h" |
| #import "AccessibilityUIElement.h" |
| |
| #import "AccessibilityCommonMac.h" |
| #import "AccessibilityNotificationHandler.h" |
| #import <Foundation/Foundation.h> |
| #import <JavaScriptCore/JSRetainPtr.h> |
| #import <JavaScriptCore/JSStringRef.h> |
| #import <JavaScriptCore/JSStringRefCF.h> |
| #import <WebCore/TextGranularity.h> |
| #import <WebKit/WebFrame.h> |
| #import <WebKit/WebHTMLView.h> |
| #import <wtf/RetainPtr.h> |
| #import <wtf/Vector.h> |
| |
| #import <UIKit/UIKit.h> |
| |
| typedef void (*AXPostedNotificationCallback)(id element, NSString* notification, void* context); |
| |
| AccessibilityUIElement::AccessibilityUIElement(PlatformUIElement element) |
| : m_element(element) |
| , m_notificationHandler(0) |
| { |
| [m_element retain]; |
| } |
| |
| AccessibilityUIElement::AccessibilityUIElement(const AccessibilityUIElement& other) |
| : m_element(other.m_element) |
| , m_notificationHandler(0) |
| |
| { |
| [m_element retain]; |
| } |
| |
| AccessibilityUIElement::~AccessibilityUIElement() |
| { |
| [m_element release]; |
| } |
| |
| @interface NSObject (UIAccessibilityHidden) |
| - (id)accessibilityHitTest:(CGPoint)point; |
| - (id)accessibilityLinkedElement; |
| - (NSRange)accessibilityColumnRange; |
| - (NSRange)accessibilityRowRange; |
| - (id)accessibilityElementForRow:(NSInteger)row andColumn:(NSInteger)column; |
| - (NSURL *)accessibilityURL; |
| - (NSArray *)accessibilityHeaderElements; |
| - (NSString *)accessibilityPlaceholderValue; |
| - (NSString *)stringForRange:(NSRange)range; |
| - (NSAttributedString *)attributedStringForRange:(NSRange)range; |
| - (NSArray *)elementsForRange:(NSRange)range; |
| - (NSString *)selectionRangeString; |
| - (CGPoint)accessibilityClickPoint; |
| - (void)accessibilityModifySelection:(WebCore::TextGranularity)granularity increase:(BOOL)increase; |
| - (void)accessibilitySetPostedNotificationCallback:(AXPostedNotificationCallback)function withContext:(void*)context; |
| - (CGFloat)_accessibilityMinValue; |
| - (CGFloat)_accessibilityMaxValue; |
| - (void)_accessibilitySetValue:(NSString *)value; |
| - (void)_accessibilityActivate; |
| - (UIAccessibilityTraits)_axSelectedTrait; |
| - (UIAccessibilityTraits)_axTextAreaTrait; |
| - (UIAccessibilityTraits)_axSearchFieldTrait; |
| - (NSString *)accessibilityARIACurrentStatus; |
| - (NSUInteger)accessibilityRowCount; |
| - (NSUInteger)accessibilityColumnCount; |
| - (NSUInteger)accessibilityARIARowCount; |
| - (NSUInteger)accessibilityARIAColumnCount; |
| - (NSUInteger)accessibilityARIARowIndex; |
| - (NSUInteger)accessibilityARIAColumnIndex; |
| - (UIAccessibilityTraits)_axContainedByFieldsetTrait; |
| - (id)_accessibilityFieldsetAncestor; |
| - (BOOL)_accessibilityHasTouchEventListener; |
| - (NSString *)accessibilityExpandedTextValue; |
| - (NSString *)accessibilitySortDirection; |
| - (BOOL)accessibilityIsExpanded; |
| - (NSUInteger)accessibilityBlockquoteLevel; |
| - (NSArray *)accessibilityFindMatchingObjects:(NSDictionary *)parameters; |
| - (NSArray *)accessibilitySpeechHint; |
| |
| // TextMarker related |
| - (NSArray *)textMarkerRange; |
| - (NSInteger)lengthForTextMarkers:(NSArray *)textMarkers; |
| - (NSString *)stringForTextMarkers:(NSArray *)markers; |
| - (id)startOrEndTextMarkerForTextMarkers:(NSArray*)textMarkers isStart:(BOOL)isStart; |
| - (NSArray *)textMarkerRangeForMarkers:(NSArray *)textMarkers; |
| - (id)nextMarkerForMarker:(id)marker; |
| - (id)previousMarkerForMarker:(id)marker; |
| - (id)accessibilityObjectForTextMarker:(id)marker; |
| - (id)lineStartMarkerForMarker:(id)marker; |
| - (id)lineEndMarkerForMarker:(id)marker; |
| - (NSArray *)textMarkerRangeFromMarkers:(NSArray *)markers withText:(NSString *)text; |
| @end |
| |
| @interface NSObject (WebAccessibilityObjectWrapperPrivate) |
| - (CGPathRef)_accessibilityPath; |
| @end |
| |
| static JSStringRef concatenateAttributeAndValue(NSString* attribute, NSString* value) |
| { |
| Vector<UniChar> buffer([attribute length]); |
| [attribute getCharacters:buffer.data()]; |
| buffer.append(':'); |
| buffer.append(' '); |
| |
| Vector<UniChar> valueBuffer([value length]); |
| [value getCharacters:valueBuffer.data()]; |
| buffer.appendVector(valueBuffer); |
| |
| return JSStringCreateWithCharacters(buffer.data(), buffer.size()); |
| } |
| |
| #pragma mark iPhone Attributes |
| |
| JSStringRef AccessibilityUIElement::identifier() |
| { |
| return concatenateAttributeAndValue(@"AXIdentifier", [m_element accessibilityIdentifier]); |
| } |
| |
| bool AccessibilityUIElement::isTextArea() const |
| { |
| return ([m_element accessibilityTraits] & [m_element _axTextAreaTrait]) == [m_element _axTextAreaTrait]; |
| } |
| |
| bool AccessibilityUIElement::isSearchField() const |
| { |
| return ([m_element accessibilityTraits] & [m_element _axSearchFieldTrait]) == [m_element _axSearchFieldTrait]; |
| } |
| |
| JSStringRef AccessibilityUIElement::traits() |
| { |
| return concatenateAttributeAndValue(@"AXTraits", [NSString stringWithFormat:@"%qu", [m_element accessibilityTraits]]); |
| } |
| |
| int AccessibilityUIElement::elementTextPosition() |
| { |
| NSRange range = [[m_element valueForKey:@"elementTextRange"] rangeValue]; |
| return range.location; |
| } |
| |
| int AccessibilityUIElement::elementTextLength() |
| { |
| NSRange range = [[m_element valueForKey:@"elementTextRange"] rangeValue]; |
| return range.length; |
| } |
| |
| bool AccessibilityUIElement::hasContainedByFieldsetTrait() |
| { |
| UIAccessibilityTraits traits = [m_element accessibilityTraits]; |
| return (traits & [m_element _axContainedByFieldsetTrait]) == [m_element _axContainedByFieldsetTrait]; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::fieldsetAncestorElement() |
| { |
| id ancestorElement = [m_element _accessibilityFieldsetAncestor]; |
| if (ancestorElement) |
| return AccessibilityUIElement(ancestorElement); |
| |
| return nullptr; |
| } |
| |
| |
| JSStringRef AccessibilityUIElement::url() |
| { |
| NSURL *url = [m_element accessibilityURL]; |
| return [[url absoluteString] createJSStringRef]; |
| } |
| |
| double AccessibilityUIElement::x() |
| { |
| CGRect frame = [m_element accessibilityFrame]; |
| return frame.origin.x; |
| } |
| |
| double AccessibilityUIElement::y() |
| { |
| CGRect frame = [m_element accessibilityFrame]; |
| return frame.origin.y; |
| } |
| |
| double AccessibilityUIElement::width() |
| { |
| CGRect frame = [m_element accessibilityFrame]; |
| return frame.size.width; |
| } |
| |
| double AccessibilityUIElement::height() |
| { |
| CGRect frame = [m_element accessibilityFrame]; |
| return frame.size.height; |
| } |
| |
| double AccessibilityUIElement::clickPointX() |
| { |
| CGPoint centerPoint = [m_element accessibilityClickPoint]; |
| return centerPoint.x; |
| } |
| |
| double AccessibilityUIElement::clickPointY() |
| { |
| CGPoint centerPoint = [m_element accessibilityClickPoint]; |
| return centerPoint.y; |
| } |
| |
| void AccessibilityUIElement::getChildren(Vector<AccessibilityUIElement>& elementVector) |
| { |
| NSInteger childCount = [m_element accessibilityElementCount]; |
| for (NSInteger k = 0; k < childCount; ++k) |
| elementVector.append(AccessibilityUIElement([m_element accessibilityElementAtIndex:k])); |
| } |
| |
| void AccessibilityUIElement::getChildrenWithRange(Vector<AccessibilityUIElement>& elementVector, unsigned location, unsigned length) |
| { |
| // accessibilityElementAtIndex: takes an NSInteger. |
| // We want to preserve that in order to test against invalid indexes being input. |
| NSInteger maxValue = static_cast<NSInteger>(location + length); |
| for (NSInteger k = location; k < maxValue; ++k) |
| elementVector.append(AccessibilityUIElement([m_element accessibilityElementAtIndex:k])); |
| } |
| |
| int AccessibilityUIElement::childrenCount() |
| { |
| Vector<AccessibilityUIElement> children; |
| getChildren(children); |
| |
| return children.size(); |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::elementAtPoint(int x, int y) |
| { |
| id element = [m_element accessibilityHitTest:NSMakePoint(x, y)]; |
| if (!element) |
| return nil; |
| |
| return AccessibilityUIElement(element); |
| } |
| |
| unsigned AccessibilityUIElement::indexOfChild(AccessibilityUIElement* element) |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::getChildAtIndex(unsigned index) |
| { |
| Vector<AccessibilityUIElement> children; |
| getChildrenWithRange(children, index, 1); |
| |
| if (children.size() == 1) |
| return children[0]; |
| return nil; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::headerElementAtIndex(unsigned index) |
| { |
| NSArray *headers = [m_element accessibilityHeaderElements]; |
| if (index < [headers count]) |
| return [headers objectAtIndex:index]; |
| |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::linkedElement() |
| { |
| id linkedElement = [m_element accessibilityLinkedElement]; |
| if (linkedElement) |
| return AccessibilityUIElement(linkedElement); |
| |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::linkedUIElementAtIndex(unsigned index) |
| { |
| // FIXME: implement |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::ariaOwnsElementAtIndex(unsigned index) |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::ariaFlowToElementAtIndex(unsigned index) |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::ariaControlsElementAtIndex(unsigned index) |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::disclosedRowAtIndex(unsigned index) |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::selectedRowAtIndex(unsigned index) |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::rowAtIndex(unsigned index) |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::titleUIElement() |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::parentElement() |
| { |
| id accessibilityObject = [m_element accessibilityContainer]; |
| if (accessibilityObject) |
| return AccessibilityUIElement(accessibilityObject); |
| |
| return nil; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::disclosedByRow() |
| { |
| return 0; |
| } |
| |
| void AccessibilityUIElement::increaseTextSelection() |
| { |
| [m_element accessibilityModifySelection:WebCore::CharacterGranularity increase:YES]; |
| } |
| |
| void AccessibilityUIElement::decreaseTextSelection() |
| { |
| [m_element accessibilityModifySelection:WebCore::CharacterGranularity increase:NO]; |
| } |
| |
| JSStringRef AccessibilityUIElement::speakAs() |
| { |
| return [[[m_element accessibilitySpeechHint] componentsJoinedByString:@", "] createJSStringRef]; |
| } |
| |
| JSStringRef AccessibilityUIElement::stringForSelection() |
| { |
| NSString *stringForRange = [m_element selectionRangeString]; |
| if (!stringForRange) |
| return 0; |
| |
| return [stringForRange createJSStringRef]; |
| } |
| |
| JSStringRef AccessibilityUIElement::stringForRange(unsigned location, unsigned length) |
| { |
| NSString *stringForRange = [m_element stringForRange:NSMakeRange(location, length)]; |
| if (!stringForRange) |
| return 0; |
| |
| return [stringForRange createJSStringRef]; |
| } |
| |
| JSStringRef AccessibilityUIElement::attributedStringForRange(unsigned location, unsigned length) |
| { |
| NSRange range = NSMakeRange(location, length); |
| NSAttributedString* string = [m_element attributedStringForRange:range]; |
| if (![string isKindOfClass:[NSAttributedString class]]) |
| return 0; |
| |
| NSString* stringWithAttrs = [string description]; |
| return [stringWithAttrs createJSStringRef]; |
| } |
| |
| bool AccessibilityUIElement::attributedStringRangeIsMisspelled(unsigned, unsigned) |
| { |
| return false; |
| } |
| |
| |
| void AccessibilityUIElement::elementsForRange(unsigned location, unsigned length, Vector<AccessibilityUIElement>& elements) |
| { |
| NSArray *elementsForRange = [m_element elementsForRange:NSMakeRange(location, length)]; |
| for (id object in elementsForRange) { |
| AccessibilityUIElement element = AccessibilityUIElement(object); |
| elements.append(element); |
| } |
| } |
| |
| static void _CGPathEnumerationIteration(void *info, const CGPathElement *element) |
| { |
| NSMutableString *result = (NSMutableString *)info; |
| switch (element->type) { |
| case kCGPathElementMoveToPoint: |
| [result appendString:@"\tMove to point\n"]; |
| break; |
| |
| case kCGPathElementAddLineToPoint: |
| [result appendString:@"\tLine to\n"]; |
| break; |
| |
| case kCGPathElementAddQuadCurveToPoint: |
| [result appendString:@"\tQuad curve to\n"]; |
| break; |
| |
| case kCGPathElementAddCurveToPoint: |
| [result appendString:@"\tCurve to\n"]; |
| break; |
| |
| case kCGPathElementCloseSubpath: |
| [result appendString:@"\tClose\n"]; |
| break; |
| } |
| } |
| |
| JSStringRef AccessibilityUIElement::pathDescription() const |
| { |
| NSMutableString *result = [NSMutableString stringWithString:@"\nStart Path\n"]; |
| CGPathRef pathRef = [m_element _accessibilityPath]; |
| |
| CGPathApply(pathRef, result, _CGPathEnumerationIteration); |
| |
| return [result createJSStringRef]; |
| } |
| |
| #if SUPPORTS_AX_TEXTMARKERS && PLATFORM(IOS) |
| |
| // Text markers |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::lineTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker) |
| { |
| id startTextMarker = [m_element lineStartMarkerForMarker:(id)textMarker->platformTextMarker()]; |
| id endTextMarker = [m_element lineEndMarkerForMarker:(id)textMarker->platformTextMarker()]; |
| NSArray *textMarkers = [NSArray arrayWithObjects:startTextMarker, endTextMarker, nil]; |
| |
| id textMarkerRange = [m_element textMarkerRangeForMarkers:textMarkers]; |
| return AccessibilityTextMarkerRange(textMarkerRange); |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::textMarkerRangeForElement(AccessibilityUIElement* element) |
| { |
| id textMarkerRange = [element->platformUIElement() textMarkerRange]; |
| return AccessibilityTextMarkerRange(textMarkerRange); |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::selectedTextMarkerRange() |
| { |
| return nullptr; |
| } |
| |
| void AccessibilityUIElement::resetSelectedTextMarkerRange() |
| { |
| } |
| |
| int AccessibilityUIElement::textMarkerRangeLength(AccessibilityTextMarkerRange* range) |
| { |
| id textMarkers = (id)range->platformTextMarkerRange(); |
| return [m_element lengthForTextMarkers:textMarkers]; |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::textMarkerRangeForMarkers(AccessibilityTextMarker* startMarker, AccessibilityTextMarker* endMarker) |
| { |
| NSArray *textMarkers = [NSArray arrayWithObjects:(id)startMarker->platformTextMarker(), (id)endMarker->platformTextMarker(), nil]; |
| id textMarkerRange = [m_element textMarkerRangeForMarkers:textMarkers]; |
| return AccessibilityTextMarkerRange(textMarkerRange); |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::startTextMarkerForTextMarkerRange(AccessibilityTextMarkerRange* range) |
| { |
| id textMarkers = (id)range->platformTextMarkerRange(); |
| id textMarker = [m_element startOrEndTextMarkerForTextMarkers:textMarkers isStart:YES]; |
| return AccessibilityTextMarker(textMarker); |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::endTextMarkerForTextMarkerRange(AccessibilityTextMarkerRange* range) |
| { |
| id textMarkers = (id)range->platformTextMarkerRange(); |
| id textMarker = [m_element startOrEndTextMarkerForTextMarkers:textMarkers isStart:NO]; |
| return AccessibilityTextMarker(textMarker); |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::accessibilityElementForTextMarker(AccessibilityTextMarker* marker) |
| { |
| id obj = [m_element accessibilityObjectForTextMarker:(id)marker->platformTextMarker()]; |
| if (obj) |
| return AccessibilityUIElement(obj); |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::endTextMarkerForBounds(int x, int y, int width, int height) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::startTextMarkerForBounds(int x, int y, int width, int height) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::textMarkerForPoint(int x, int y) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::previousTextMarker(AccessibilityTextMarker* textMarker) |
| { |
| id previousMarker = [m_element previousMarkerForMarker:(id)textMarker->platformTextMarker()]; |
| return AccessibilityTextMarker(previousMarker); |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::nextTextMarker(AccessibilityTextMarker* textMarker) |
| { |
| id nextMarker = [m_element nextMarkerForMarker:(id)textMarker->platformTextMarker()]; |
| return AccessibilityTextMarker(nextMarker); |
| } |
| |
| JSStringRef AccessibilityUIElement::stringForTextMarkerRange(AccessibilityTextMarkerRange* markerRange) |
| { |
| id textMarkers = (id)markerRange->platformTextMarkerRange(); |
| if (!textMarkers || ![textMarkers isKindOfClass:[NSArray class]]) |
| return JSStringCreateWithCharacters(0, 0); |
| return [[m_element stringForTextMarkers:textMarkers] createJSStringRef]; |
| } |
| |
| JSStringRef AccessibilityUIElement::attributedStringForTextMarkerRange(AccessibilityTextMarkerRange*) |
| { |
| return nullptr; |
| } |
| |
| JSStringRef AccessibilityUIElement::attributedStringForTextMarkerRangeWithOptions(AccessibilityTextMarkerRange*, bool) |
| { |
| return nullptr; |
| } |
| |
| bool AccessibilityUIElement::attributedStringForTextMarkerRangeContainsAttribute(JSStringRef, AccessibilityTextMarkerRange*) |
| { |
| return false; |
| } |
| |
| int AccessibilityUIElement::indexForTextMarker(AccessibilityTextMarker*) |
| { |
| return -1; |
| } |
| |
| bool AccessibilityUIElement::isTextMarkerValid(AccessibilityTextMarker*) |
| { |
| return false; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::textMarkerForIndex(int) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::startTextMarker() |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::endTextMarker() |
| { |
| return nullptr; |
| } |
| |
| bool AccessibilityUIElement::setSelectedVisibleTextRange(AccessibilityTextMarkerRange*) |
| { |
| return false; |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::leftWordTextMarkerRangeForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::rightWordTextMarkerRangeForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::previousWordStartTextMarkerForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::nextWordEndTextMarkerForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::paragraphTextMarkerRangeForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarker AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker*) |
| { |
| return nullptr; |
| } |
| |
| AccessibilityTextMarkerRange AccessibilityUIElement::textMarkerRangeMatchesTextNearMarkers(JSStringRef text, AccessibilityTextMarker* startMarker, AccessibilityTextMarker* endMarker) |
| { |
| NSArray *textMarkers = nil; |
| if (startMarker->platformTextMarker() && endMarker->platformTextMarker()) |
| textMarkers = [NSArray arrayWithObjects:(id)startMarker->platformTextMarker(), (id)endMarker->platformTextMarker(), nil]; |
| id textMarkerRange = [m_element textMarkerRangeFromMarkers:textMarkers withText:[NSString stringWithJSStringRef:text]]; |
| return AccessibilityTextMarkerRange(textMarkerRange); |
| } |
| |
| |
| #endif // SUPPORTS_AX_TEXTMARKERS && PLATFORM(IOS) |
| |
| #pragma mark Unused |
| |
| void AccessibilityUIElement::getLinkedUIElements(Vector<AccessibilityUIElement>& elementVector) |
| { |
| } |
| |
| void AccessibilityUIElement::getDocumentLinks(Vector<AccessibilityUIElement>& elementVector) |
| { |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfLinkedUIElements() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfDocumentLinks() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfChildren() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::allAttributes() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::stringAttributeValue(JSStringRef attribute) |
| { |
| if (JSStringIsEqualToUTF8CString(attribute, "AXPlaceholderValue")) |
| return [[m_element accessibilityPlaceholderValue] createJSStringRef]; |
| |
| if (JSStringIsEqualToUTF8CString(attribute, "AXARIACurrent")) |
| return [[m_element accessibilityARIACurrentStatus] createJSStringRef]; |
| |
| if (JSStringIsEqualToUTF8CString(attribute, "AXExpandedTextValue")) |
| return [[m_element accessibilityExpandedTextValue] createJSStringRef]; |
| |
| if (JSStringIsEqualToUTF8CString(attribute, "AXSortDirection")) |
| return [[m_element accessibilitySortDirection] createJSStringRef]; |
| |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| bool AccessibilityUIElement::isPressActionSupported() |
| { |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isIncrementActionSupported() |
| { |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isDecrementActionSupported() |
| { |
| return false; |
| } |
| |
| bool AccessibilityUIElement::boolAttributeValue(JSStringRef attribute) |
| { |
| if (JSStringIsEqualToUTF8CString(attribute, "AXHasTouchEventListener")) |
| return [m_element _accessibilityHasTouchEventListener]; |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isAttributeSettable(JSStringRef attribute) |
| { |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isAttributeSupported(JSStringRef attribute) |
| { |
| return false; |
| } |
| |
| JSStringRef AccessibilityUIElement::parameterizedAttributeNames() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::role() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::subrole() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| bool AccessibilityUIElement::scrollPageUp() |
| { |
| return [m_element accessibilityScroll:UIAccessibilityScrollDirectionUp]; |
| } |
| |
| bool AccessibilityUIElement::scrollPageDown() |
| { |
| return [m_element accessibilityScroll:UIAccessibilityScrollDirectionDown]; |
| } |
| bool AccessibilityUIElement::scrollPageLeft() |
| { |
| return [m_element accessibilityScroll:UIAccessibilityScrollDirectionLeft]; |
| } |
| |
| bool AccessibilityUIElement::scrollPageRight() |
| { |
| return [m_element accessibilityScroll:UIAccessibilityScrollDirectionRight]; |
| } |
| |
| JSStringRef AccessibilityUIElement::roleDescription() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::computedRoleString() |
| { |
| // FIXME: implement |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::title() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::description() |
| { |
| return concatenateAttributeAndValue(@"AXLabel", [m_element accessibilityLabel]); |
| } |
| |
| JSStringRef AccessibilityUIElement::orientation() const |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::stringValue() |
| { |
| return concatenateAttributeAndValue(@"AXValue", [m_element accessibilityValue]); |
| } |
| |
| JSStringRef AccessibilityUIElement::language() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::helpText() const |
| { |
| return concatenateAttributeAndValue(@"AXHint", [m_element accessibilityHint]); |
| } |
| |
| double AccessibilityUIElement::intValue() const |
| { |
| return 0.0f; |
| } |
| |
| double AccessibilityUIElement::minValue() |
| { |
| return [m_element _accessibilityMinValue]; |
| } |
| |
| double AccessibilityUIElement::maxValue() |
| { |
| return [m_element _accessibilityMaxValue]; |
| } |
| |
| void AccessibilityUIElement::setValue(JSStringRef valueText) |
| { |
| [m_element _accessibilitySetValue:[NSString stringWithJSStringRef:valueText]]; |
| } |
| |
| JSStringRef AccessibilityUIElement::valueDescription() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| int AccessibilityUIElement::insertionPointLineNumber() |
| { |
| return -1; |
| } |
| |
| bool AccessibilityUIElement::isEnabled() |
| { |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isRequired() const |
| { |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isFocused() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isSelected() const |
| { |
| UIAccessibilityTraits traits = [m_element accessibilityTraits]; |
| bool result = (traits & [m_element _axSelectedTrait]) == [m_element _axSelectedTrait]; |
| return result; |
| } |
| |
| bool AccessibilityUIElement::isExpanded() const |
| { |
| return [m_element accessibilityIsExpanded]; |
| } |
| |
| bool AccessibilityUIElement::isChecked() const |
| { |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isIndeterminate() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| int AccessibilityUIElement::hierarchicalLevel() const |
| { |
| return 0; |
| } |
| |
| bool AccessibilityUIElement::ariaIsGrabbed() const |
| { |
| return false; |
| } |
| |
| JSStringRef AccessibilityUIElement::ariaDropEffects() const |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| int AccessibilityUIElement::lineForIndex(int index) |
| { |
| return -1; |
| } |
| |
| JSStringRef AccessibilityUIElement::boundsForRange(unsigned location, unsigned length) |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfColumnHeaders() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfRowHeaders() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfColumns() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfRows() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfVisibleCells() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::attributesOfHeader() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| int AccessibilityUIElement::rowCount() |
| { |
| return [m_element accessibilityRowCount]; |
| } |
| |
| int AccessibilityUIElement::columnCount() |
| { |
| return [m_element accessibilityColumnCount]; |
| } |
| |
| int AccessibilityUIElement::indexInTable() |
| { |
| return -1; |
| } |
| |
| JSStringRef AccessibilityUIElement::rowIndexRange() |
| { |
| NSRange range = [m_element accessibilityRowRange]; |
| NSMutableString* rangeDescription = [NSMutableString stringWithFormat:@"{%lu, %lu}", (unsigned long)range.location, (unsigned long)range.length]; |
| return [rangeDescription createJSStringRef]; |
| } |
| |
| JSStringRef AccessibilityUIElement::columnIndexRange() |
| { |
| NSRange range = [m_element accessibilityColumnRange]; |
| NSMutableString* rangeDescription = [NSMutableString stringWithFormat:@"{%lu, %lu}", (unsigned long)range.location, (unsigned long)range.length]; |
| return [rangeDescription createJSStringRef]; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::cellForColumnAndRow(unsigned col, unsigned row) |
| { |
| return AccessibilityUIElement([m_element accessibilityElementForRow:row andColumn:col]); |
| } |
| |
| void AccessibilityUIElement::scrollToMakeVisible() |
| { |
| // FIXME: implement |
| } |
| |
| void AccessibilityUIElement::scrollToMakeVisibleWithSubFocus(int x, int y, int width, int height) |
| { |
| // FIXME: implement |
| } |
| |
| void AccessibilityUIElement::scrollToGlobalPoint(int x, int y) |
| { |
| // FIXME: implement |
| } |
| |
| JSStringRef AccessibilityUIElement::selectedTextRange() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| void AccessibilityUIElement::assistiveTechnologySimulatedFocus() |
| { |
| [m_element accessibilityElementDidBecomeFocused]; |
| } |
| |
| void AccessibilityUIElement::setSelectedTextRange(unsigned location, unsigned length) |
| { |
| } |
| |
| void AccessibilityUIElement::increment() |
| { |
| [m_element accessibilityIncrement]; |
| } |
| |
| void AccessibilityUIElement::decrement() |
| { |
| [m_element accessibilityDecrement]; |
| } |
| |
| void AccessibilityUIElement::showMenu() |
| { |
| } |
| |
| void AccessibilityUIElement::press() |
| { |
| [m_element _accessibilityActivate]; |
| } |
| |
| JSStringRef AccessibilityUIElement::accessibilityValue() const |
| { |
| // FIXME: implement |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| void AccessibilityUIElement::clearSelectedChildren() const |
| { |
| // FIXME: implement |
| } |
| |
| JSStringRef AccessibilityUIElement::documentEncoding() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| JSStringRef AccessibilityUIElement::documentURI() |
| { |
| return JSStringCreateWithCharacters(0, 0); |
| } |
| |
| bool AccessibilityUIElement::addNotificationListener(JSObjectRef functionCallback) |
| { |
| if (!functionCallback) |
| return false; |
| |
| // iOS programmers should not be adding more than one notification listener per element. |
| // Other platforms may be different. |
| if (m_notificationHandler) |
| return false; |
| m_notificationHandler = [[AccessibilityNotificationHandler alloc] init]; |
| [m_notificationHandler setPlatformElement:platformUIElement()]; |
| [m_notificationHandler setCallback:functionCallback]; |
| [m_notificationHandler startObserving]; |
| |
| return true; |
| } |
| |
| void AccessibilityUIElement::removeNotificationListener() |
| { |
| // iOS programmers should not be trying to remove a listener that's already removed. |
| ASSERT(m_notificationHandler); |
| |
| [m_notificationHandler stopObserving]; |
| [m_notificationHandler release]; |
| m_notificationHandler = nil; |
| } |
| |
| bool AccessibilityUIElement::isFocusable() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isSelectable() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isMultiSelectable() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isSelectedOptionActive() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isVisible() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isOffScreen() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isCollapsed() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isIgnored() const |
| { |
| return ![m_element isAccessibilityElement]; |
| } |
| |
| bool AccessibilityUIElement::isSingleLine() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::isMultiLine() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| bool AccessibilityUIElement::hasPopup() const |
| { |
| // FIXME: implement |
| return false; |
| } |
| |
| void AccessibilityUIElement::takeFocus() |
| { |
| // FIXME: implement |
| } |
| |
| void AccessibilityUIElement::takeSelection() |
| { |
| // FIXME: implement |
| } |
| |
| void AccessibilityUIElement::addSelection() |
| { |
| // FIXME: implement |
| } |
| |
| void AccessibilityUIElement::removeSelection() |
| { |
| // FIXME: implement |
| } |
| |
| unsigned AccessibilityUIElement::uiElementCountForSearchPredicate(JSContextRef context, AccessibilityUIElement* startElement, bool isDirectionNext, JSValueRef searchKey, JSStringRef searchText, bool visibleOnly, bool immediateDescendantsOnly) |
| { |
| // FIXME: implement |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::uiElementForSearchPredicate(JSContextRef context, AccessibilityUIElement *startElement, bool isDirectionNext, JSValueRef searchKey, JSStringRef searchText, bool visibleOnly, bool immediateDescendantsOnly) |
| { |
| NSDictionary *parameterizedAttribute = searchPredicateParameterizedAttributeForSearchCriteria(context, startElement, isDirectionNext, 5, searchKey, searchText, visibleOnly, immediateDescendantsOnly); |
| id value = [m_element accessibilityFindMatchingObjects:parameterizedAttribute]; |
| if (![value isKindOfClass:[NSArray class]]) |
| return nullptr; |
| for (id element in value) { |
| if ([element isAccessibilityElement]) |
| return AccessibilityUIElement(element); |
| } |
| return AccessibilityUIElement([value firstObject]); |
| } |
| |
| JSStringRef AccessibilityUIElement::selectTextWithCriteria(JSContextRef context, JSStringRef ambiguityResolution, JSValueRef searchStrings, JSStringRef replacementString, JSStringRef activity) |
| { |
| // FIXME: Implement. |
| return nullptr; |
| } |
| |
| double AccessibilityUIElement::numberAttributeValue(JSStringRef attribute) |
| { |
| // Support test for table related attributes. |
| if (JSStringIsEqualToUTF8CString(attribute, "AXARIAColumnCount")) |
| return [m_element accessibilityARIAColumnCount]; |
| if (JSStringIsEqualToUTF8CString(attribute, "AXARIARowCount")) |
| return [m_element accessibilityARIARowCount]; |
| if (JSStringIsEqualToUTF8CString(attribute, "AXARIAColumnIndex")) |
| return [m_element accessibilityARIAColumnIndex]; |
| if (JSStringIsEqualToUTF8CString(attribute, "AXARIARowIndex")) |
| return [m_element accessibilityARIARowIndex]; |
| if (JSStringIsEqualToUTF8CString(attribute, "AXBlockquoteLevel")) |
| return [m_element accessibilityBlockquoteLevel]; |
| |
| return 0; |
| } |
| |
| JSStringRef AccessibilityUIElement::classList() const |
| { |
| // FIXME: implement |
| return nullptr; |
| } |
| |
| void AccessibilityUIElement::uiElementArrayAttributeValue(JSStringRef, Vector<AccessibilityUIElement>&) const |
| { |
| // FIXME: implement |
| } |
| |
| void AccessibilityUIElement::columnHeaders(Vector<AccessibilityUIElement>&) const |
| { |
| // FIXME: implement |
| } |
| |
| void AccessibilityUIElement::rowHeaders(Vector<AccessibilityUIElement>&) const |
| { |
| // FIXME: implement |
| } |
| |
| unsigned AccessibilityUIElement::selectedChildrenCount() const |
| { |
| return 0; |
| } |
| |
| AccessibilityUIElement AccessibilityUIElement::selectedChildAtIndex(unsigned) const |
| { |
| return 0; |
| } |