/** Initializes contained components. */
  private void initComponents() {
    final SimpleDateFormat format = new SimpleDateFormat("mm:ss");
    final Calendar c = Calendar.getInstance();
    final JLabel counter = new JLabel();

    counter.setForeground(Color.red);
    counter.setFont(counter.getFont().deriveFont((float) (counter.getFont().getSize() + 5)));

    setLayout(new GridBagLayout());
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    GridBagConstraints constraints = new GridBagConstraints();

    JLabel messageLabel =
        new JLabel(
            GuiActivator.getResources().getI18NString("service.gui.security.SECURITY_ALERT"));

    messageLabel.setForeground(Color.WHITE);

    constraints.anchor = GridBagConstraints.CENTER;
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 0;
    constraints.gridy = 0;
    add(messageLabel, constraints);

    constraints.anchor = GridBagConstraints.CENTER;
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 0;
    constraints.gridy = 1;
    add(counter, constraints);

    ZrtpControl zrtpControl = null;
    if (securityControl instanceof ZrtpControl) zrtpControl = (ZrtpControl) securityControl;

    long initialSeconds = 0;

    if (zrtpControl != null) initialSeconds = zrtpControl.getTimeoutValue();

    c.setTimeInMillis(initialSeconds);

    counter.setText(format.format(c.getTime()));

    if (initialSeconds > 0)
      timer.schedule(
          new TimerTask() {
            @Override
            public void run() {
              if (c.getTimeInMillis() - 1000 > 0) {
                c.add(Calendar.SECOND, -1);
                counter.setText(format.format(c.getTime()));
              }
            }
          },
          1000,
          1000);
  }
  /**
   * 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;
  }
  /**
   * Updates progress bar progress line every time a progress event has been received.
   *
   * @param event the <tt>FileTransferProgressEvent</tt> that notified us
   */
  public void progressChanged(FileTransferProgressEvent event) {
    progressBar.setValue((int) event.getProgress());

    long transferredBytes = event.getFileTransfer().getTransferedBytes();
    long progressTimestamp = event.getTimestamp();

    ByteFormat format = new ByteFormat();
    String bytesString = format.format(transferredBytes);

    if ((progressTimestamp - lastSpeedTimestamp) >= SPEED_CALCULATE_DELAY) {
      lastProgressSpeed = Math.round(calculateProgressSpeed(transferredBytes));

      this.lastSpeedTimestamp = progressTimestamp;
      this.lastTransferredBytes = transferredBytes;
    }

    if ((progressTimestamp - lastEstimatedTimeTimestamp) >= SPEED_CALCULATE_DELAY
        && lastProgressSpeed > 0) {
      lastEstimatedTime =
          Math.round(
              calculateEstimatedTransferTime(
                  lastProgressSpeed, transferredFileSize - transferredBytes));

      lastEstimatedTimeTimestamp = progressTimestamp;
    }

    progressBar.setString(getProgressLabel(bytesString));

    if (lastProgressSpeed > 0) {
      progressSpeedLabel.setText(
          resources.getI18NString("service.gui.SPEED") + format.format(lastProgressSpeed) + "/sec");
      progressSpeedLabel.setVisible(true);
    }

    if (lastEstimatedTime > 0) {
      estimatedTimeLabel.setText(
          resources.getI18NString("service.gui.ESTIMATED_TIME")
              + GuiUtils.formatSeconds(lastEstimatedTime * 1000));
      estimatedTimeLabel.setVisible(true);
    }
  }
  /**
   * Initializes the display details component for the given <tt>UIContact</tt>.
   *
   * @param displayDetails the display details to show
   */
  private void initDisplayDetails(String displayDetails) {
    remove(displayDetailsLabel);
    displayDetailsLabel.setText("");

    if (displayDetails != null && displayDetails.length() > 0) {
      // Replace all occurrences of new line with slash.
      displayDetails = Html2Text.extractText(displayDetails);
      displayDetails = displayDetails.replaceAll("\n|<br>|<br/>", " / ");

      displayDetailsLabel.setText(displayDetails);
    }

    constraints.anchor = GridBagConstraints.WEST;
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 1;
    constraints.gridy = 1;
    constraints.weightx = 1f;
    constraints.weighty = 0f;
    constraints.gridwidth = 1;
    constraints.gridheight = 1;

    this.add(displayDetailsLabel, constraints);
  }
  /**
   * Shows the appropriate user interface that would allow the user to add the given
   * <tt>SourceUIContact</tt> to their contact list.
   *
   * @param contact the contact to add
   */
  private void addContact(SourceUIContact contact) {
    SourceContact sourceContact = (SourceContact) contact.getDescriptor();

    List<ContactDetail> details =
        sourceContact.getContactDetails(OperationSetPersistentPresence.class);
    int detailsCount = details.size();

    if (detailsCount > 1) {
      JMenuItem addContactMenu =
          TreeContactList.createAddContactMenu((SourceContact) contact.getDescriptor());

      JPopupMenu popupMenu = ((JMenu) addContactMenu).getPopupMenu();

      // Add a title label.
      JLabel infoLabel = new JLabel();
      infoLabel.setText(
          "<html><b>"
              + GuiActivator.getResources().getI18NString("service.gui.ADD_CONTACT")
              + "</b></html>");

      popupMenu.insert(infoLabel, 0);
      popupMenu.insert(new Separator(), 1);

      popupMenu.setFocusable(true);
      popupMenu.setInvoker(treeContactList);

      Point location =
          new Point(
              addContactButton.getX(), addContactButton.getY() + addContactButton.getHeight());

      SwingUtilities.convertPointToScreen(location, treeContactList);

      location.y = location.y + treeContactList.getPathBounds(treeContactList.getSelectionPath()).y;

      popupMenu.setLocation(location.x + 8, location.y - 8);
      popupMenu.setVisible(true);
    } else if (details.size() == 1) {
      TreeContactList.showAddContactDialog(details.get(0), sourceContact.getDisplayName());
    }
  }
 /**
  * Prints the given DTMG character through this <tt>CallPeerRenderer</tt>.
  *
  * @param dtmfChar the DTMF char to print
  */
 public void printDTMFTone(char dtmfChar) {
   dtmfLabel.setText(dtmfLabel.getText() + dtmfChar);
   if (dtmfLabel.getBorder() == null)
     dtmfLabel.setBorder(BorderFactory.createEmptyBorder(2, 1, 2, 5));
 }
  /**
   * Returns this panel that has been configured to display the meta contact and meta contact group
   * cells.
   *
   * @param tree the source tree
   * @param value the tree node
   * @param selected indicates if the node is selected
   * @param expanded indicates if the node is expanded
   * @param leaf indicates if the node is a leaf
   * @param row indicates the row number of the node
   * @param hasFocus indicates if the node has the focus
   * @return this panel
   */
  public Component getTreeCellRendererComponent(
      JTree tree,
      Object value,
      boolean selected,
      boolean expanded,
      boolean leaf,
      int row,
      boolean hasFocus) {
    this.treeContactList = (TreeContactList) tree;
    this.row = row;
    this.isSelected = selected;
    this.treeNode = (TreeNode) value;

    this.rightLabel.setIcon(null);

    DefaultTreeContactList contactList = (DefaultTreeContactList) tree;

    setBorder();
    addLabels(1);

    // Set background color.
    if (contactList instanceof TreeContactList) {
      ContactListFilter filter = ((TreeContactList) contactList).getCurrentFilter();

      if (filter != null
          && filter.equals(TreeContactList.historyFilter)
          && value instanceof ContactNode
          && row % 2 == 0) {
        setBackground(Constants.CALL_HISTORY_EVEN_ROW_COLOR);
      } else {
        setBackground(Color.WHITE);
      }
    }

    // Make appropriate adjustments for contact nodes and group nodes.
    if (value instanceof ContactNode) {
      UIContactImpl contact = ((ContactNode) value).getContactDescriptor();

      String displayName = contact.getDisplayName();

      if ((displayName == null || displayName.trim().length() < 1)
          && !(contact instanceof ShowMoreContact)) {
        displayName = GuiActivator.getResources().getI18NString("service.gui.UNKNOWN");
      }

      this.nameLabel.setText(displayName);

      if (statusIcon != null
          && contactList.isContactActive(contact)
          && statusIcon instanceof ImageIcon) ((ImageIcon) statusIcon).setImage(msgReceivedImage);
      else statusIcon = contact.getStatusIcon();

      this.statusLabel.setIcon(statusIcon);

      this.nameLabel.setFont(this.getFont().deriveFont(Font.PLAIN));

      if (contactForegroundColor != null) nameLabel.setForeground(contactForegroundColor);

      // Initializes status message components if the given meta contact
      // contains a status message.
      this.initDisplayDetails(contact.getDisplayDetails());

      if (this.treeContactList.isContactButtonsVisible()) this.initButtonsPanel(contact);

      int avatarWidth, avatarHeight;

      if (isSelected && treeContactList.isContactButtonsVisible()) {
        avatarWidth = EXTENDED_AVATAR_WIDTH;
        avatarHeight = EXTENDED_AVATAR_HEIGHT;
      } else {
        avatarWidth = AVATAR_WIDTH;
        avatarHeight = AVATAR_HEIGHT;
      }

      Icon avatar = contact.getAvatar(isSelected, avatarWidth, avatarHeight);

      if (avatar != null) {
        this.rightLabel.setIcon(avatar);
      }

      if (contact instanceof ShowMoreContact) {
        rightLabel.setFont(rightLabel.getFont().deriveFont(12f));
        rightLabel.setForeground(Color.GRAY);
        rightLabel.setText((String) contact.getDescriptor());
      } else {
        rightLabel.setFont(rightLabel.getFont().deriveFont(9f));
        rightLabel.setText("");
      }

      this.setToolTipText(contact.getDescriptor().toString());
    } else if (value instanceof GroupNode) {
      UIGroupImpl groupItem = ((GroupNode) value).getGroupDescriptor();

      this.nameLabel.setText(groupItem.getDisplayName());

      this.nameLabel.setFont(this.getFont().deriveFont(Font.BOLD));

      if (groupForegroundColor != null) this.nameLabel.setForeground(groupForegroundColor);

      this.remove(displayDetailsLabel);
      this.remove(callButton);
      this.remove(callVideoButton);
      this.remove(desktopSharingButton);
      this.remove(chatButton);
      this.remove(addContactButton);

      clearCustomActionButtons();

      statusIcon = expanded ? openedGroupIcon : closedGroupIcon;
      this.statusLabel.setIcon(expanded ? openedGroupIcon : closedGroupIcon);

      // We have no photo icon for groups.
      this.rightLabel.setIcon(null);
      this.rightLabel.setText("");

      if (groupItem.countChildContacts() >= 0) {
        rightLabel.setFont(rightLabel.getFont().deriveFont(9f));
        this.rightLabel.setForeground(Color.BLACK);
        this.rightLabel.setText(
            groupItem.countOnlineChildContacts() + "/" + groupItem.countChildContacts());
      }

      this.initDisplayDetails(groupItem.getDisplayDetails());
      this.initButtonsPanel(groupItem);
      this.setToolTipText(groupItem.getDescriptor().toString());
    }

    return this;
  }
  /** Loads the configuration form obtained from the chat room. */
  protected void loadConfigurationForm() {
    Iterator<ChatRoomConfigurationFormField> configurationSet = configForm.getConfigurationSet();

    while (configurationSet.hasNext()) {
      ChatRoomConfigurationFormField formField = configurationSet.next();

      Iterator<?> values = formField.getValues();
      Iterator<String> options = formField.getOptions();

      JComponent field;
      JLabel label = new JLabel("", JLabel.RIGHT);

      if (formField.getLabel() != null) label.setText(formField.getLabel() + ": ");

      String fieldType = formField.getType();

      if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_BOOLEAN)) {
        // Create a check box when the field is of type boolean.
        field = new SIPCommCheckBox(formField.getLabel());
        label.setText("");

        if (values.hasNext()) {
          ((JCheckBox) field).setSelected((Boolean) values.next());
        }
      } else if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_TEXT_FIXED)) {
        field = new JLabel();

        if (values.hasNext()) {
          String value = values.next().toString();

          ((JLabel) field).setText(value);
          field.setFont(new Font(null, Font.ITALIC, 10));
          field.setForeground(Color.GRAY);
        }
      } else if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_LIST_MULTI)) {
        field = new TransparentPanel(new GridLayout(0, 1));

        field.setBorder(BorderFactory.createLineBorder(Color.GRAY));

        Hashtable<Object, JCheckBox> optionCheckBoxes = new Hashtable<Object, JCheckBox>();

        while (options.hasNext()) {
          Object option = options.next();
          JCheckBox checkBox = new SIPCommCheckBox(option.toString());

          field.add(checkBox);
          optionCheckBoxes.put(option, checkBox);
        }

        while (values.hasNext()) {
          Object value = values.next();

          (optionCheckBoxes.get(value)).setSelected(true);
        }
      } else if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_LIST_SINGLE)) {
        field = new JComboBox();

        while (options.hasNext()) {
          ((JComboBox) field).addItem(options.next());
        }

        if (values.hasNext()) {
          ((JComboBox) field).setSelectedItem(values.next());
        }
      } else if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_TEXT_MULTI)) {
        field = new JEditorPane();

        if (values.hasNext()) {
          String value = values.next().toString();

          ((JEditorPane) field).setText(value);
        }
      } else if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_TEXT_SINGLE)
          || fieldType.equals(ChatRoomConfigurationFormField.TYPE_ID_SINGLE)) {
        field = new JTextField();

        if (values.hasNext()) {
          String value = values.next().toString();

          ((JTextField) field).setText(value);
        }
      } else if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_TEXT_PRIVATE)) {
        field = new JPasswordField();

        if (values.hasNext()) {
          String value = values.next().toString();

          ((JPasswordField) field).setText(value);
        }
      } else if (fieldType.equals(ChatRoomConfigurationFormField.TYPE_ID_MULTI)) {
        StringBuffer buff = new StringBuffer();

        while (values.hasNext()) {
          String value = values.next().toString();
          buff.append(value);

          if (values.hasNext()) buff.append(System.getProperty("line.separator"));
        }
        field = new JTextArea(buff.toString());
      } else {
        if (label.getText() == null) continue;

        field = new JTextField();

        if (values.hasNext()) {
          String value = values.next().toString();

          ((JTextField) field).setText(value);
        }
      }

      // If the field is not fixed (i.e. could be changed) we would like
      // to save it in a list in order to use it later when user saves
      // the configuration data.
      if (!fieldType.equals(ChatRoomConfigurationFormField.TYPE_TEXT_FIXED)) {
        uiFieldsTable.put(formField.getName(), field);
      }

      JPanel fieldPanel = new TransparentPanel(new GridLayout(1, 2));
      fieldPanel.setOpaque(false);

      if (!(field instanceof JLabel))
        fieldPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 8, 0));
      else fieldPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 1, 0));

      fieldPanel.add(label);
      fieldPanel.add(field);

      this.mainPanel.add(fieldPanel);
    }
  }