NS_IMETHODIMP
nsXULTabpanelAccessible::GetRelationByType(PRUint32 aRelationType,
nsIAccessibleRelation **aRelation)
{
nsresult rv = nsAccessibleWrap::GetRelationByType(aRelationType, aRelation);
NS_ENSURE_SUCCESS(rv, rv);
if (aRelationType != nsIAccessibleRelation::RELATION_LABELLED_BY)
return NS_OK;
// Expose 'LABELLED_BY' relation on tabpanel accessible for tab accessible.
nsCOMPtr<nsIDOMXULRelatedElement> tabpanelsElm =
do_QueryInterface(mContent->GetParent());
if (!tabpanelsElm)
return NS_OK;
nsCOMPtr<nsIDOMNode> DOMNode(GetDOMNode());
nsCOMPtr<nsIDOMNode> tabNode;
tabpanelsElm->GetRelatedElement(DOMNode, getter_AddRefs(tabNode));
if (!tabNode)
return NS_OK;
nsCOMPtr<nsIContent> tabContent(do_QueryInterface(tabNode));
return nsRelUtils::AddTargetFromContent(aRelationType, aRelation,
tabContent);
}
NS_IMETHODIMP
nsXULTabpanelAccessible::GetRelationByType(PRUint32 aRelationType,
nsIAccessibleRelation **aRelation)
{
nsresult rv = nsAccessibleWrap::GetRelationByType(aRelationType, aRelation);
NS_ENSURE_SUCCESS(rv, rv);
if (aRelationType != nsIAccessibleRelation::RELATION_LABELLED_BY)
return NS_OK;
// Expose 'LABELLED_BY' relation on tabpanel accessible for tab accessible.
nsCOMPtr<nsIAccessible> tabBoxAcc;
GetParent(getter_AddRefs(tabBoxAcc));
NS_ENSURE_TRUE(nsAccUtils::Role(tabBoxAcc) == nsIAccessibleRole::ROLE_PANE,
NS_ERROR_FAILURE);
PRInt32 tabpanelIndex = -1;
nsCOMPtr<nsIAccessible> tabsAcc;
PRBool isTabpanelFound = PR_FALSE;
nsCOMPtr<nsIAccessible> childAcc;
tabBoxAcc->GetFirstChild(getter_AddRefs(childAcc));
while (childAcc && (!tabsAcc || !isTabpanelFound)) {
if (nsAccUtils::Role(childAcc) == nsIAccessibleRole::ROLE_PAGETABLIST)
tabsAcc = childAcc;
if (!isTabpanelFound &&
nsAccUtils::Role(childAcc) == nsIAccessibleRole::ROLE_PROPERTYPAGE)
tabpanelIndex++;
if (childAcc == this)
isTabpanelFound = PR_TRUE;
nsCOMPtr<nsIAccessible> acc;
childAcc->GetNextSibling(getter_AddRefs(acc));
childAcc.swap(acc);
}
if (!tabsAcc || tabpanelIndex == -1)
return NS_OK;
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
nsIAtom *atomID = content->GetID();
nsCOMPtr<nsIAccessible> foundTabAcc;
tabsAcc->GetFirstChild(getter_AddRefs(childAcc));
while (childAcc) {
if (nsAccUtils::Role(childAcc) == nsIAccessibleRole::ROLE_PAGETAB) {
if (atomID) {
nsCOMPtr<nsIAccessNode> tabAccNode(do_QueryInterface(childAcc));
nsCOMPtr<nsIDOMNode> tabNode;
tabAccNode->GetDOMNode(getter_AddRefs(tabNode));
nsCOMPtr<nsIContent> tabContent(do_QueryInterface(tabNode));
NS_ENSURE_TRUE(tabContent, NS_ERROR_FAILURE);
if (tabContent->AttrValueIs(kNameSpaceID_None,
nsAccessibilityAtoms::linkedPanel, atomID,
eCaseMatters)) {
return nsRelUtils::AddTarget(aRelationType, aRelation, childAcc);
}
}
if (tabpanelIndex == 0) {
foundTabAcc = childAcc;
if (!atomID)
break;
}
tabpanelIndex--;
}
nsCOMPtr<nsIAccessible> acc;
childAcc->GetNextSibling(getter_AddRefs(acc));
childAcc.swap(acc);
}
return nsRelUtils::AddTarget(aRelationType, aRelation, foundTabAcc);
}