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Recreate the accessibleElements if accessed

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This commit is contained in:
Michael Schneider 2016-04-07 20:08:03 -07:00
parent 39950e74b2
commit 3b91c22fdf
1 changed files with 11 additions and 7 deletions
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18
AsyncDisplayKit/Details/_ASDisplayView.mm
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@ -411,10 +411,6 @@ static const char *ASDisplayNodeAssociatedNodeKey = "ASAssociatedNode";
- (NSArray *)accessibleElements - (NSArray *)accessibleElements
{ {
if ( _accessibleElements != nil ) {
return _accessibleElements;
}
_accessibleElements = [[NSMutableArray alloc] init]; _accessibleElements = [[NSMutableArray alloc] init];
ASDisplayNode *selfNode = self.asyncdisplaykit_node; ASDisplayNode *selfNode = self.asyncdisplaykit_node;
@ -451,7 +447,7 @@ static const char *ASDisplayNodeAssociatedNodeKey = "ASAssociatedNode";
for (ASDisplayNode *subnode in selfNode.subnodes) { for (ASDisplayNode *subnode in selfNode.subnodes) {
// Check if this subnode is a UIAccessibilityContainer // Check if this subnode is a UIAccessibilityContainer
if (!subnode.isAccessibilityElement && [subnode accessibilityElementCount] > 0) { if (!subnode.isAccessibilityElement && [subnode accessibilityElementCount] > 0) {
// We are good and the view is an UIAccessibilityContainer so add that // We are good and the view is an UIAccessibilityContainer so add it
[_accessibleElements addObject:subnode.view]; [_accessibleElements addObject:subnode.view];
} else if (subnode.isAccessibilityElement) { } else if (subnode.isAccessibilityElement) {
// Create a accessiblity element from the subnode // Create a accessiblity element from the subnode
@ -471,7 +467,11 @@ static const char *ASDisplayNodeAssociatedNodeKey = "ASAssociatedNode";
- (id)accessibilityElementAtIndex:(NSInteger)index - (id)accessibilityElementAtIndex:(NSInteger)index
{ {
UIAccessibilityElement *accessibilityElement = [[self accessibleElements] objectAtIndex:index]; if (_accessibleElements == nil) {
return nil;
}
UIAccessibilityElement *accessibilityElement = [_accessibleElements objectAtIndex:index];
ASDisplayNode *accessibilityElementNode = accessibilityElement.asyncdisplaykit_node; ASDisplayNode *accessibilityElementNode = accessibilityElement.asyncdisplaykit_node;
if (accessibilityElementNode == nil) { if (accessibilityElementNode == nil) {
return nil; return nil;
@ -497,7 +497,11 @@ static const char *ASDisplayNodeAssociatedNodeKey = "ASAssociatedNode";
- (NSInteger)indexOfAccessibilityElement:(id)element - (NSInteger)indexOfAccessibilityElement:(id)element
{ {
return [self.accessibleElements indexOfObject:element]; if (_accessibleElements == nil) {
return NSNotFound;
}
return [_accessibleElements indexOfObject:element];
} }
@end @end