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Bug 421922 - Tree Tables in Thunderbird and Firefox broken since March 6, r=ginn.chen, blocking=mtschrep

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This commit is contained in:
surkov.alexander@gmail.com 2008-03-19 23:19:48 -07:00
parent 602f860da6
commit bcd37136b9
1 changed files with 19 additions and 17 deletions
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36
accessible/src/xul/nsXULTreeAccessible.cpp
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@ -1285,28 +1285,30 @@ nsXULTreeColumnsAccessible::
NS_IMETHODIMP
nsXULTreeColumnsAccessible::GetNextSibling(nsIAccessible **aNextSibling)
{
nsresult ret = nsXULColumnsAccessible::GetNextSibling(aNextSibling);
NS_ENSURE_ARG_POINTER(aNextSibling);
*aNextSibling = nsnull;
if (*aNextSibling == nsnull) { // if there is not other sibling, use the first row as its sibling
nsCOMPtr<nsITreeBoxObject> tree;
nsCOMPtr<nsITreeView> treeView;
nsCOMPtr<nsITreeBoxObject> tree;
nsCOMPtr<nsITreeView> treeView;
nsXULTreeAccessible::GetTreeBoxObject(mDOMNode, getter_AddRefs(tree));
if (tree) {
tree->GetView(getter_AddRefs(treeView));
if (treeView) {
PRInt32 rowCount;
treeView->GetRowCount(&rowCount);
if (rowCount > 0) {
nsCOMPtr<nsITreeColumn> column = nsXULTreeAccessible::GetFirstVisibleColumn(tree);
nsCOMPtr<nsIAccessibleTreeCache> treeCache(do_QueryInterface(mParent));
NS_ENSURE_TRUE(treeCache, NS_ERROR_FAILURE);
ret = treeCache->GetCachedTreeitemAccessible(0, column, aNextSibling);
}
nsXULTreeAccessible::GetTreeBoxObject(mDOMNode, getter_AddRefs(tree));
if (tree) {
tree->GetView(getter_AddRefs(treeView));
if (treeView) {
PRInt32 rowCount;
treeView->GetRowCount(&rowCount);
if (rowCount > 0) {
nsCOMPtr<nsITreeColumn> column =
nsXULTreeAccessible::GetFirstVisibleColumn(tree);
nsCOMPtr<nsIAccessibleTreeCache> treeCache(do_QueryInterface(mParent));
NS_ENSURE_TRUE(treeCache, NS_ERROR_FAILURE);
return treeCache->GetCachedTreeitemAccessible(0, column, aNextSibling);
}
}
}
return ret;
return NS_OK;
}