nsresult
nsTextEquivUtils::GetTextEquivFromIDRefs(nsIAccessible *aAccessible,
nsIAtom *aIDRefsAttr,
nsAString& aTextEquiv)
{
aTextEquiv.Truncate();
nsCOMPtr<nsIAccessNode> accessNode(do_QueryInterface(aAccessible));
nsCOMPtr<nsIDOMNode> DOMNode;
accessNode->GetDOMNode(getter_AddRefs(DOMNode));
nsCOMPtr<nsIContent> content = nsCoreUtils::GetRoleContent(DOMNode);
if (!content)
return NS_OK;
nsCOMPtr<nsIArray> refElms;
nsCoreUtils::GetElementsByIDRefsAttr(content, aIDRefsAttr,
getter_AddRefs(refElms));
if (!refElms)
return NS_OK;
PRUint32 count = 0;
nsresult rv = refElms->GetLength(&count);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIContent> refContent;
for (PRUint32 idx = 0; idx < count; idx++) {
refContent = do_QueryElementAt(refElms, idx, &rv);
NS_ENSURE_SUCCESS(rv, rv);
if (!aTextEquiv.IsEmpty())
aTextEquiv += ' ';
rv = AppendTextEquivFromContent(aAccessible, refContent, &aTextEquiv);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult
nsTextEquivUtils::GetTextEquivFromIDRefs(nsAccessible *aAccessible,
nsIAtom *aIDRefsAttr,
nsAString& aTextEquiv)
{
aTextEquiv.Truncate();
nsIContent* content = aAccessible->GetContent();
if (!content)
return NS_OK;
nsIContent* refContent = nsnull;
IDRefsIterator iter(content, aIDRefsAttr);
while ((refContent = iter.NextElem())) {
if (!aTextEquiv.IsEmpty())
aTextEquiv += ' ';
nsresult rv = AppendTextEquivFromContent(aAccessible, refContent,
&aTextEquiv);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
