Justin Spahr-Summers
71 lines
2.1 KiB
Objective-C
71 lines
2.1 KiB
Objective-C
//
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// TUINSView+Accessibility.m
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// TwUI
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//
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// Created by Josh Abernathy on 7/28/11.
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// Copyright 2011 __MyCompanyName__. All rights reserved.
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//
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#import "TUINSView+Accessibility.h"
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@implementation TUINSView (Accessibility)
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- (id)accessibilityHitTest:(NSPoint)point
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{
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NSPoint windowPoint = [[self window] convertScreenToBase:point];
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NSPoint localPoint = [self convertPoint:windowPoint fromView:nil];
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return [self.rootView accessibilityHitTest:localPoint];
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}
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- (BOOL)accessibilityIsIgnored
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{
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return YES;
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}
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- (NSArray *)accessibilityAttributeNames
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{
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static NSArray *attributes = nil;
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if(attributes == nil) {
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attributes = [[NSArray alloc] initWithObjects:NSAccessibilityChildrenAttribute, NSAccessibilityParentAttribute, NSAccessibilityWindowAttribute, NSAccessibilityTopLevelUIElementAttribute, NSAccessibilityPositionAttribute, NSAccessibilitySizeAttribute, nil];
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}
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return attributes;
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}
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- (id)accessibilityAttributeValue:(NSString *)attribute
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{
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if([attribute isEqualToString:NSAccessibilityChildrenAttribute]) {
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return [NSArray arrayWithObject:self.rootView];
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} else if([attribute isEqualToString:NSAccessibilityParentAttribute]) {
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return NSAccessibilityUnignoredAncestor(self.superview);
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} else if([attribute isEqualToString:NSAccessibilityWindowAttribute]) {
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return [self.superview accessibilityAttributeValue:NSAccessibilityWindowAttribute];
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} else if([attribute isEqualToString:NSAccessibilityTopLevelUIElementAttribute]) {
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return [self.superview accessibilityAttributeValue:NSAccessibilityTopLevelUIElementAttribute];
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} else if([attribute isEqualToString:NSAccessibilityPositionAttribute]) {
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return [NSValue valueWithPoint:[[self window] convertBaseToScreen:[self convertPoint:self.bounds.origin toView:nil]]];
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} else if([attribute isEqualToString:NSAccessibilitySizeAttribute]) {
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return [NSValue valueWithSize:self.bounds.size];
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} else {
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return nil;
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}
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}
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- (BOOL)accessibilityIsAttributeSettable:(NSString *)attribute
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{
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return NO;
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}
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- (NSArray *)accessibilityActionNames
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{
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return [NSArray array];
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}
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- (id)accessibilityFocusedUIElement
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{
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return NSAccessibilityUnignoredAncestor(self);
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}
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@end
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