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Bug 758304 - Check for expired. Make sure expire do the right thing. r=tbsaunde

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Hub Figuière 2012-05-24 17:24:09 -07:00
parent 4d555ebec7
commit 4b72df76d2
1 changed files with 10 additions and 1 deletions
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11
accessible/src/mac/mozAccessible.mm
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@ -420,6 +420,9 @@ GetNativeFromGeckoAccessible(nsIAccessible *anAccessible)
- (NSString*)role
{
if (mIsExpired)
return nil;
#ifdef DEBUG
NS_ASSERTION(nsAccUtils::IsTextInterfaceSupportCorrect(mGeckoAccessible),
"Does not support nsIAccessibleText when it should");
@ -633,8 +636,14 @@ GetNativeFromGeckoAccessible(nsIAccessible *anAccessible)
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[self invalidateChildren];
mIsExpired = YES;
id parent = [self parent];
if ([parent isKindOfClass:[mozAccessible class]])
[parent invalidateChildren];
mIsExpired = YES;
mGeckoAccessible = nsnull;
NS_OBJC_END_TRY_ABORT_BLOCK;
}