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Bug 697339 - crash after deleting email while using gnome-orca 3.19 xdesktop [@ nsAccessible::Role ], r=tbsaunde

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This commit is contained in:
Alexander Surkov 2011-11-15 23:51:03 +08:00
parent 25e8440059
commit f2fed08e07
1 changed files with 6 additions and 1 deletions
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7
accessible/src/base/AccGroupInfo.cpp
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@ -50,6 +50,12 @@ AccGroupInfo::AccGroupInfo(nsAccessible* aItem, PRUint32 aRole) :
return;
PRInt32 indexInParent = aItem->IndexInParent();
PRInt32 siblingCount = parent->GetChildCount();
if (siblingCount < indexInParent) {
NS_ERROR("Wrong index in parent! Tree invalidation problem.");
return;
}
PRInt32 level = nsAccUtils::GetARIAOrDefaultLevel(aItem);
// Compute position in set.
@ -95,7 +101,6 @@ AccGroupInfo::AccGroupInfo(nsAccessible* aItem, PRUint32 aRole) :
// Compute set size.
mSetSize = mPosInSet;
PRInt32 siblingCount = parent->GetChildCount();
for (PRInt32 idx = indexInParent + 1; idx < siblingCount; idx++) {
nsAccessible* sibling = parent->GetChildAt(idx);