/*
  * (non-Javadoc)
  *
  * @see org.jajuk.ui.actions.JajukAction#perform(java.awt.event.ActionEvent)
  */
 @Override
 public void perform(ActionEvent evt) throws Exception {
   /*
    * If slimbar is visible, hide it and show the main window. Note that both main window and
    * slimbar can be displayed at the same time: If the slimbar is visible and user display main
    * window by right clicking on the tray, the main window is displayed, this is a normal behavior
    */
   WindowStateDecorator sdSlimbar = JajukSlimbar.getInstance().getWindowStateDecorator();
   WindowStateDecorator sdMainWindow = JajukMainWindow.getInstance().getWindowStateDecorator();
   if (sdSlimbar.isDisplayed()) {
     // close the previous window before displaying the other
     sdSlimbar.display(false);
     sdMainWindow.display(true);
     // Update the icon according to status
     setIcon(IconLoader.getIcon(JajukIcons.SLIM_WINDOW));
   } else {
     sdMainWindow.display(false);
     sdSlimbar.display(true);
     // Update the icon according to status
     setIcon(IconLoader.getIcon(JajukIcons.FULL_SCREEN));
   }
   // Store window-type displayed (useful for tray display/hide feature for ie.)
   UtilGUI.storeWindowSate();
   // Notify that slimbar visibility change (menu bar is interested in it)
   ObservationManager.notify(new JajukEvent(JajukEvents.SLIMBAR_VISIBILTY_CHANGED));
 }