/**
   * Creates the <tt>Component</tt> hierarchy of the area of status-related information such as
   * <tt>CallPeer</tt> display name, call duration, security status.
   *
   * @return the root of the <tt>Component</tt> hierarchy of the area of status-related information
   *     such as <tt>CallPeer</tt> display name, call duration, security status
   */
  private Component createStatusBar() {
    // stateLabel
    callStatusLabel.setForeground(Color.WHITE);
    dtmfLabel.setForeground(Color.WHITE);
    callStatusLabel.setText(callPeer.getState().getLocalizedStateString());

    PeerStatusPanel statusPanel = new PeerStatusPanel(new GridBagLayout());

    GridBagConstraints constraints = new GridBagConstraints();

    constraints.gridx = 0;
    constraints.gridy = 0;
    statusPanel.add(securityStatusLabel, constraints);
    initSecurityStatusLabel();

    constraints.gridx++;
    statusPanel.add(holdStatusLabel, constraints);

    constraints.gridx++;
    statusPanel.add(muteStatusLabel, constraints);

    constraints.gridx++;
    callStatusLabel.setBorder(BorderFactory.createEmptyBorder(2, 3, 2, 12));
    statusPanel.add(callStatusLabel, constraints);

    constraints.gridx++;
    constraints.weightx = 1f;
    statusPanel.add(dtmfLabel, constraints);

    return statusPanel;
  }
  /**
   * Sets the reason of a call failure if one occurs. The renderer should display this reason to the
   * user.
   *
   * @param reason the reason to display
   */
  public void setErrorReason(final String reason) {
    if (!SwingUtilities.isEventDispatchThread()) {
      SwingUtilities.invokeLater(
          new Runnable() {
            public void run() {
              setErrorReason(reason);
            }
          });
      return;
    }

    if (errorMessageComponent == null) {
      errorMessageComponent = new JTextPane();

      JTextPane textPane = (JTextPane) errorMessageComponent;
      textPane.setEditable(false);
      textPane.setOpaque(false);

      StyledDocument doc = textPane.getStyledDocument();

      MutableAttributeSet standard = new SimpleAttributeSet();
      StyleConstants.setAlignment(standard, StyleConstants.ALIGN_CENTER);
      StyleConstants.setFontFamily(standard, textPane.getFont().getFamily());
      StyleConstants.setFontSize(standard, 12);
      doc.setParagraphAttributes(0, 0, standard, true);

      GridBagConstraints constraints = new GridBagConstraints();
      constraints.fill = GridBagConstraints.HORIZONTAL;
      constraints.gridx = 0;
      constraints.gridy = 4;
      constraints.weightx = 1;
      constraints.weighty = 0;
      constraints.insets = new Insets(5, 0, 0, 0);

      add(errorMessageComponent, constraints);
      this.revalidate();
    }

    errorMessageComponent.setText(reason);

    if (isVisible()) errorMessageComponent.repaint();
  }
  /** Creates sound level related components. */
  private void createSoundLevelIndicators() {
    TransparentPanel localLevelPanel = new TransparentPanel(new BorderLayout(5, 0));
    TransparentPanel remoteLevelPanel = new TransparentPanel(new BorderLayout(5, 0));

    localLevel =
        new InputVolumeControlButton(
            call, ImageLoader.MICROPHONE, ImageLoader.MUTE_BUTTON, false, false);
    remoteLevel =
        new OutputVolumeControlButton(call.getConference(), ImageLoader.HEADPHONE, false, false)
            .getComponent();

    final SoundLevelIndicator localLevelIndicator =
        new SoundLevelIndicator(SoundLevelChangeEvent.MIN_LEVEL, SoundLevelChangeEvent.MAX_LEVEL);
    final SoundLevelIndicator remoteLevelIndicator =
        new SoundLevelIndicator(SoundLevelChangeEvent.MIN_LEVEL, SoundLevelChangeEvent.MAX_LEVEL);

    localLevelPanel.add(localLevel, BorderLayout.WEST);
    localLevelPanel.add(localLevelIndicator, BorderLayout.CENTER);
    remoteLevelPanel.add(remoteLevel, BorderLayout.WEST);
    remoteLevelPanel.add(remoteLevelIndicator, BorderLayout.CENTER);

    GridBagConstraints constraints = new GridBagConstraints();
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 0;
    constraints.gridy = 5;
    constraints.weightx = 0;
    constraints.weighty = 0;
    constraints.insets = new Insets(10, 0, 0, 0);

    add(localLevelPanel, constraints);

    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 0;
    constraints.gridy = 6;
    constraints.weightx = 0;
    constraints.weighty = 0;
    constraints.insets = new Insets(5, 0, 10, 0);

    add(remoteLevelPanel, constraints);

    if (!GuiActivator.getConfigurationService()
        .getBoolean(
            "net.java.sip.communicator.impl.gui.main.call." + "DISABLE_SOUND_LEVEL_INDICATORS",
            false)) {
      callPeer.addStreamSoundLevelListener(
          new SoundLevelListener() {
            public void soundLevelChanged(Object source, int level) {
              remoteLevelIndicator.updateSoundLevel(level);
            }
          });
      /*
       * By the time the UI gets to be initialized, the callPeer may have
       * been removed from its Call. As far as the UI is concerned, the
       * callPeer will never have a Call again and there will be no audio
       * levels to display anyway so there is no point in throwing a
       * NullPointerException here.
       */
      if (call != null) {
        call.addLocalUserSoundLevelListener(
            new SoundLevelListener() {
              public void soundLevelChanged(Object source, int level) {
                localLevelIndicator.updateSoundLevel(level);
              }
            });
      }
    }
  }
  /**
   * Creates a <tt>CallPeerPanel</tt> for the given call peer.
   *
   * @param callRenderer the renderer of the call
   * @param callPeer the <tt>CallPeer</tt> represented in this panel
   * @param uiVideoHandler the facility which is to aid the new instance in the dealing with the
   *     video-related information
   */
  public OneToOneCallPeerPanel(
      SwingCallRenderer callRenderer, CallPeer callPeer, UIVideoHandler2 uiVideoHandler) {
    this.callRenderer = callRenderer;
    this.callPeer = callPeer;
    // we need to obtain call as soon as possible
    // cause if it fails too quickly we may fail to show it
    this.call = callPeer.getCall();
    this.uiVideoHandler = uiVideoHandler;

    peerName = CallManager.getPeerDisplayName(callPeer);
    securityPanel = SecurityPanel.create(this, callPeer, null);

    photoLabel = new JLabel(getPhotoLabelIcon());
    center = createCenter();
    statusBar = createStatusBar();

    setPeerImage(CallManager.getPeerImage(callPeer));

    /* Lay out the main Components of the UI. */
    setLayout(new GridBagLayout());

    GridBagConstraints cnstrnts = new GridBagConstraints();

    if (center != null) {
      cnstrnts.fill = GridBagConstraints.BOTH;
      cnstrnts.gridx = 0;
      cnstrnts.gridy = 1;
      cnstrnts.weightx = 1;
      cnstrnts.weighty = 1;
      add(center, cnstrnts);
    }
    if (statusBar != null) {
      cnstrnts.fill = GridBagConstraints.NONE;
      cnstrnts.gridx = 0;
      cnstrnts.gridy = 3;
      cnstrnts.weightx = 0;
      cnstrnts.weighty = 0;
      cnstrnts.insets = new Insets(5, 0, 0, 0);
      add(statusBar, cnstrnts);
    }

    createSoundLevelIndicators();
    initSecuritySettings();

    /*
     * Add the listeners which will be notified about changes in the model
     * and which will update this view.
     */
    callPeerAdapter = new CallPeerAdapter(callPeer, this);
    uiVideoHandler.addObserver(uiVideoHandlerObserver);

    /*
     * This view adapts to whether it is displayed in full-screen or
     * windowed mode.
     */
    if (callRenderer instanceof Component) {
      ((Component) callRenderer).addPropertyChangeListener(CallContainer.PROP_FULL_SCREEN, this);
    }

    OperationSetDesktopSharingClient desktopSharingClient =
        callPeer.getProtocolProvider().getOperationSet(OperationSetDesktopSharingClient.class);
    if (desktopSharingClient != null) {
      desktopSharingMouseAndKeyboardListener =
          new DesktopSharingMouseAndKeyboardListener(callPeer, desktopSharingClient);
    } else desktopSharingMouseAndKeyboardListener = null;

    updateViewFromModel();
  }