/**
   * Indicates that the security has gone off.
   *
   * @param evt the <tt>CallPeerSecurityOffEvent</tt> that notified us
   */
  public void securityOff(final CallPeerSecurityOffEvent evt) {
    if (!SwingUtilities.isEventDispatchThread()) {
      SwingUtilities.invokeLater(
          new Runnable() {
            public void run() {
              securityOff(evt);
            }
          });
      return;
    }

    if (evt.getSessionType() == CallPeerSecurityOffEvent.AUDIO_SESSION) {
      securityStatusLabel.setText("");
      securityStatusLabel.setSecurityOff();
      if (securityStatusLabel.getBorder() == null)
        securityStatusLabel.setBorder(BorderFactory.createEmptyBorder(2, 5, 2, 3));
    }

    securityPanel.securityOff(evt);
  }
  /**
   * Indicates that the security is turned on.
   *
   * <p>Sets the secured status icon to the status panel and initializes/updates the corresponding
   * security details.
   *
   * @param evt Details about the event that caused this message.
   */
  public void securityOn(final CallPeerSecurityOnEvent evt) {
    if (!SwingUtilities.isEventDispatchThread()) {
      SwingUtilities.invokeLater(
          new Runnable() {
            public void run() {
              securityOn(evt);
            }
          });
      return;
    }

    // If the securityOn is called without a specific event, we'll just set
    // the security label status to on.
    if (evt == null) {
      securityStatusLabel.setSecurityOn();
      return;
    }

    SrtpControl srtpControl = evt.getSecurityController();

    if (!srtpControl.requiresSecureSignalingTransport()
        || callPeer.getProtocolProvider().isSignalingTransportSecure()) {
      if (srtpControl instanceof ZrtpControl) {
        securityStatusLabel.setText("zrtp");

        if (!((ZrtpControl) srtpControl).isSecurityVerified())
          securityStatusLabel.setSecurityPending();
        else securityStatusLabel.setSecurityOn();
      } else securityStatusLabel.setSecurityOn();
    }

    // if we have some other panel, using other control
    if (!srtpControl.getClass().isInstance(securityPanel.getSecurityControl())
        || (securityPanel instanceof ParanoiaTimerSecurityPanel)) {
      setSecurityPanelVisible(false);

      securityPanel = SecurityPanel.create(this, callPeer, srtpControl);

      if (srtpControl instanceof ZrtpControl)
        ((ZrtpSecurityPanel) securityPanel).setSecurityStatusLabel(securityStatusLabel);
    }

    securityPanel.securityOn(evt);

    boolean isSecurityLowPriority =
        Boolean.parseBoolean(
            GuiActivator.getResources()
                .getSettingsString("impl.gui.I_DONT_CARE_THAT_MUCH_ABOUT_SECURITY"));

    // Display ZRTP panel in case SAS was not verified or a AOR mismtach
    // was detected during creation of ZrtpSecurityPanel.
    // Don't show panel if user does not care about security at all.
    if (srtpControl instanceof ZrtpControl
        && !isSecurityLowPriority
        && (!((ZrtpControl) srtpControl).isSecurityVerified()
            || ((ZrtpSecurityPanel) securityPanel).isZidAorMismatch())) {
      setSecurityPanelVisible(true);
    }

    this.revalidate();
  }