static void
getImageSizeCB(AtkImage* aImage, gint* aAccWidth, gint* aAccHeight)
{
  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImage));
  if (!accWrap || !accWrap->IsImage())
    return;

  accWrap->AsImage()->GetImageSize(aAccWidth, aAccHeight);
}
static void
getImagePositionCB(AtkImage* aImage, gint* aAccX, gint* aAccY,
                   AtkCoordType aCoordType)
{
  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImage));
  if (!accWrap || !accWrap->IsImage())
    return;

  ImageAccessible* image = accWrap->AsImage();
  uint32_t goannaCoordType = (aCoordType == ATK_XY_WINDOW) ?
    nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE :
    nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
  // Returned in screen coordinates
  image->GetImagePosition(goannaCoordType, aAccX, aAccY);
}