static void
getExtentsCB(AtkComponent* aComponent, gint* aX, gint* aY,
             gint* aWidth, gint* aHeight, AtkCoordType aCoordType)
{
  getExtentsHelper(GetAccessibleWrap(ATK_OBJECT(aComponent)),
                   aX, aY, aWidth, aHeight, aCoordType);
}
static void
GetExtents(AtkComponent* aComponent, gint* aX, gint* aY, gint* aWidth,
           gint* aHeight, AtkCoordType aCoordType)
{
  *aX = *aY = *aWidth = *aHeight = 0;

  if (!MAI_IS_ATK_SOCKET(aComponent))
    return;

  getExtentsHelper(MAI_ATK_SOCKET(aComponent)->accWrap,
                   aX, aY, aWidth, aHeight, aCoordType);
}