public void actionPerformed(ActionEvent event) {
    Object source = event.getSource();
    if (boundedRangeModel != null) {
      int value = boundedRangeModel.getValue();
      if (source == forwardButton) {
        boundedRangeModel.setValue(
            value == boundedRangeModel.getMaximum() ? boundedRangeModel.getMinimum() : value + 1);
      } else if (source == rewindButton) {
        boundedRangeModel.setValue(
            value == boundedRangeModel.getMinimum() ? boundedRangeModel.getMaximum() : value - 1);
      } else if (source == startButton) {
        if (startButton.isSelected() != player.isActive()) {
          if (startButton.isSelected()) {
            player.start();
          } else {
            player.stop();
          }
        }
      } else if (source == audioButton) {

        player.setAudioEnabled(audioButton.isSelected());
      } else if (source == colorCyclingButton) {
        if (player instanceof ColorCyclePlayer) {
          ((ColorCyclePlayer) player).setColorCyclingStarted(colorCyclingButton.isSelected());
        }
      }
    }
  }