code: public ActionFrames getFrames (String action, String type)
      {
          return _frameProvider.getFrames(this, action, type);
      }
docs: Returns the image frames for the specified action animation or null if no animation for the
  specified action is available for this component.
  
  @param type null for the normal action frames or one of the custom action sub-types:
  {@link StandardActions#SHADOW_TYPE}, etc.