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Bug 207554. Crash in nshtmlselectoptionaccessible::getaccnextsibling(). r=kyle, sr=alecf

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This commit is contained in:
aaronl%netscape.com 2003-06-02 08:42:55 +00:00
parent 2bffcfef83
commit a43f7ab64c
1 changed files with 11 additions and 0 deletions
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11
accessible/src/html/nsHTMLSelectAccessible.cpp
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@ -462,7 +462,18 @@ NS_IMETHODIMP nsHTMLSelectOptionAccessible::GetAccNextSibling(nsIAccessible **aA
// Get next sibling and if found create and return an accessible for it
// When getting the next sibling of an SelectOption we could be working with
// either an optgroup or an option. We process this tree as flat.
*aAccNextSibling = nsnull;
if (mNextSibling) {
if (mNextSibling != DEAD_END_ACCESSIBLE) {
NS_IF_ADDREF(*aAccNextSibling = mNextSibling);
}
return NS_OK;
}
if (!mParent) {
// Don't try the following algorithm without a parent select accessible
return NS_OK;
}
nsCOMPtr<nsIDOMNode> next = mDOMNode, currentNode;
nsCOMPtr<nsIAccessibilityService> accService(do_GetService("@mozilla.org/accessibilityService;1"));