docs: def setCurrentMode( self, mode ):
          """
          Sets what mode this loader will be in.
          
          :param      mode | <XLoaderWidget.Mode>
          """
          if ( mode == self._currentMode ):
              return
              
          self._currentMode = mode
          
          ajax = mode == XLoaderWidget.Mode.Spinner
          self._movieLabel.setVisible(ajax)
          self._primaryProgressBar.setVisible(not ajax)
          self._subProgressBar.setVisible(not ajax and self._showSubProgress)