JRE-336 [macOS] significant performance slow down in IDEA 2017.2/JBSDK-8u152
diff --git a/src/macosx/native/sun/awt/JavaComponentAccessibility.m b/src/macosx/native/sun/awt/JavaComponentAccessibility.m
index 748064d..7df7446 100644
--- a/src/macosx/native/sun/awt/JavaComponentAccessibility.m
+++ b/src/macosx/native/sun/awt/JavaComponentAccessibility.m
@@ -895,7 +895,16 @@
// Element containing current element (id)
- (id)accessibilityParentAttribute
{
- return NSAccessibilityUnignoredAncestor([self parent]);
+ // NSAccessibilityUnignoredAncestor may cause a chain of recursive calls with
+ // accessibilityAttributeNames method involved, that leads to a noticeable performance delay.
+ // return NSAccessibilityUnignoredAncestor([self parent]);
+
+ // In order to manually test whether an element is ignored there's "accessibilityIsIgnored" method,
+ // though deprecated, so its suggested replacement - "accessibilityElement" method - should be used.
+ // According to the spec, the method returns "true" by default for an element adopting NSAccessibility
+ // protocol. So the only we should test is whether the java target of the element is accessible.
+ // But we already have such method - "parent". It returns a native JCA wrapper over accessible parent.
+ return [self parent];
}
- (BOOL)accessibilityIsParentAttributeSettable
