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Bug 468360 - tree without treecols definition crashes the browser in [@XULTreeAccessible::TreeViewInvalidated], patch=timeless, r=me

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This commit is contained in:
Alexander Surkov 2009-05-13 13:21:21 +08:00
parent f49aa83b85
commit cd10ad3b55
1 changed files with 6 additions and 0 deletions
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6
accessible/src/xul/nsXULTreeAccessible.cpp
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@ -588,6 +588,9 @@ nsXULTreeAccessible::InvalidateCache(PRInt32 aRow, PRInt32 aCount)
rv = cols->GetKeyColumn(getter_AddRefs(col));
NS_ENSURE_SUCCESS(rv, rv);
if (!col)
return NS_OK;
PRInt32 colIdx = 0;
rv = col->GetIndex(&colIdx);
NS_ENSURE_SUCCESS(rv, rv);
@ -676,6 +679,9 @@ nsXULTreeAccessible::TreeViewInvalidated(PRInt32 aStartRow, PRInt32 aEndRow,
rv = treeColumns->GetKeyColumn(getter_AddRefs(col));
NS_ENSURE_SUCCESS(rv, rv);
if (!col)
return NS_OK;
PRInt32 colIdx = 0;
rv = col->GetIndex(&colIdx);
NS_ENSURE_SUCCESS(rv, rv);