NS_IMETHODIMP
nsARIAGridCellAccessible::GetColumnIndex(PRInt32 *aColumnIndex)
{
NS_ENSURE_ARG_POINTER(aColumnIndex);
*aColumnIndex = -1;
if (IsDefunct())
return NS_ERROR_FAILURE;
nsAccessible* row = GetParent();
if (!row)
return NS_OK;
*aColumnIndex = 0;
PRInt32 indexInRow = GetIndexInParent();
for (PRInt32 idx = 0; idx < indexInRow; idx++) {
nsAccessible* cell = row->GetChildAt(idx);
PRUint32 role = cell->Role();
if (role == nsIAccessibleRole::ROLE_GRID_CELL ||
role == nsIAccessibleRole::ROLE_ROWHEADER ||
role == nsIAccessibleRole::ROLE_COLUMNHEADER)
(*aColumnIndex)++;
}
return NS_OK;
}
nsAccessible*
nsXULTreeItemAccessibleBase::GetSiblingAtOffset(PRInt32 aOffset,
nsresult* aError) const
{
if (aError)
*aError = NS_OK; // fail peacefully
return mParent->GetChildAt(GetIndexInParent() + aOffset);
}
PRUint32
nsHTMLAreaAccessible::StartOffset()
{
// Image map accessible is not hypertext accessible therefore
// StartOffset/EndOffset implementations of nsAccessible doesn't work here.
// We return index in parent because image map contains area links only which
// are embedded objects.
// XXX: image map should be a hypertext accessible.
return GetIndexInParent();
}
nsAccessible*
nsXULTreeItemAccessibleBase::GetSiblingAtOffset(PRInt32 aOffset,
nsresult* aError)
{
if (IsDefunct()) {
if (aError)
*aError = NS_ERROR_FAILURE;
return nsnull;
}
if (aError)
*aError = NS_OK; // fail peacefully
return mParent->GetChildAt(GetIndexInParent() + aOffset);
}
PRUint32
nsHTMLAreaAccessible::EndOffset()
{
return GetIndexInParent() + 1;
}
