Пример #1
0
 /** Sets the icons of the call buttons depending on the chat session type. */
 private void setCallButtonsIcons() {
   if (chatSession instanceof ConferenceChatSession) {
     callButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_ROOM_CALL));
     callVideoButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_ROOM_VIDEO_CALL));
     callButton.setPreferredSize(new Dimension(29, 25));
     callVideoButton.setPreferredSize(new Dimension(29, 25));
   } else {
     callButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_CALL));
     callVideoButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_VIDEO_CALL));
     callButton.setPreferredSize(new Dimension(25, 25));
     callVideoButton.setPreferredSize(new Dimension(25, 25));
   }
   callButton.repaint();
   callVideoButton.repaint();
 }
Пример #2
0
  /** Reloads icons for buttons. */
  public void loadSkin() {
    inviteButton.setIconImage(ImageLoader.getImage(ImageLoader.ADD_TO_CHAT_ICON));

    historyButton.setIconImage(ImageLoader.getImage(ImageLoader.HISTORY_ICON));

    sendFileButton.setIconImage(ImageLoader.getImage(ImageLoader.SEND_FILE_ICON));

    fontButton.setIconImage(ImageLoader.getImage(ImageLoader.FONT_ICON));

    previousButton.setIconImage(ImageLoader.getImage(ImageLoader.PREVIOUS_ICON));

    nextButton.setIconImage(ImageLoader.getImage(ImageLoader.NEXT_ICON));

    leaveChatRoomButton.setIconImage(ImageLoader.getImage(ImageLoader.LEAVE_ICON));

    callButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_CALL));

    desktopSharingButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_DESKTOP_SHARING));

    optionsButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_CONFIGURE_ICON));
  }
Пример #3
0
  /**
   * Establishes a call.
   *
   * @param isVideo indicates if a video call should be established.
   * @param isDesktopSharing indicates if a desktopSharing should be established.
   */
  private void call(boolean isVideo, boolean isDesktopSharing) {
    ChatPanel chatPanel = chatContainer.getCurrentChat();

    ChatSession chatSession = chatPanel.getChatSession();

    Class<? extends OperationSet> opSetClass;
    if (isVideo) {
      if (isDesktopSharing) opSetClass = OperationSetDesktopSharingServer.class;
      else opSetClass = OperationSetVideoTelephony.class;
    } else opSetClass = OperationSetBasicTelephony.class;

    List<ChatTransport> telTransports = null;
    if (chatSession != null) telTransports = chatSession.getTransportsForOperationSet(opSetClass);

    List<ChatTransport> contactOpSetSupported;

    contactOpSetSupported = getOperationSetForCapabilities(telTransports, opSetClass);

    List<UIContactDetail> res = new ArrayList<UIContactDetail>();
    for (ChatTransport ct : contactOpSetSupported) {
      HashMap<Class<? extends OperationSet>, ProtocolProviderService> m =
          new HashMap<Class<? extends OperationSet>, ProtocolProviderService>();
      m.put(opSetClass, ct.getProtocolProvider());

      UIContactDetailImpl d =
          new UIContactDetailImpl(
              ct.getName(), ct.getDisplayName(), null, null, null, m, null, ct.getName());
      PresenceStatus status = ct.getStatus();
      byte[] statusIconBytes = status.getStatusIcon();

      if (statusIconBytes != null && statusIconBytes.length > 0) {
        d.setStatusIcon(
            new ImageIcon(
                ImageLoader.getIndexedProtocolImage(
                    ImageUtils.getBytesInImage(statusIconBytes), ct.getProtocolProvider())));
      }

      res.add(d);
    }

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

    SwingUtilities.convertPointToScreen(location, this);

    MetaContact metaContact = GuiActivator.getUIService().getChatContact(chatPanel);
    UIContactImpl uiContact = null;
    if (metaContact != null) uiContact = MetaContactListSource.getUIContact(metaContact);

    CallManager.call(res, uiContact, isVideo, isDesktopSharing, callButton, location);
  }
Пример #4
0
/**
 * The <tt>MainToolBar</tt> is a <tt>JToolBar</tt> which contains buttons for file operations, like
 * save and print, for copy-paste operations, etc. It's the main toolbar in the <tt>ChatWindow</tt>.
 * It contains only <tt>ChatToolbarButton</tt>s, which have a specific background icon and rollover
 * behaviour to differentiates them from normal buttons.
 *
 * @author Yana Stamcheva
 * @author Lubomir Marinov
 * @author Adam Netocny
 */
public class MainToolBar extends TransparentPanel
    implements ActionListener, ChatChangeListener, ChatSessionChangeListener, Skinnable {
  /** Serial version UID. */
  private static final long serialVersionUID = -5572510509556499465L;

  /** The invite button. */
  private final ChatToolbarButton inviteButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.ADD_TO_CHAT_ICON));

  /** The history button. */
  private final ChatToolbarButton historyButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.HISTORY_ICON));

  /** The send file button. */
  private final ChatToolbarButton sendFileButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.SEND_FILE_ICON));

  /** The button showing the previous page of the chat history. */
  private final ChatToolbarButton previousButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.PREVIOUS_ICON));

  /** The button showing the next page from chat history. */
  private final ChatToolbarButton nextButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.NEXT_ICON));

  /** The leave chat room button. */
  private final ChatToolbarButton leaveChatRoomButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.LEAVE_ICON));

  /** The call button. */
  private final ChatToolbarButton callButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.CHAT_CALL));

  /** The call button. */
  private final ChatToolbarButton callVideoButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.CHAT_VIDEO_CALL));

  /** The options button. */
  private final ChatToolbarButton optionsButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.CHAT_CONFIGURE_ICON));

  /** The desktop sharing button. */
  private final ChatToolbarButton desktopSharingButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.CHAT_DESKTOP_SHARING));

  /** The font button. */
  private final ChatToolbarButton fontButton =
      new ChatToolbarButton(ImageLoader.getImage(ImageLoader.FONT_ICON));

  private SmileysSelectorBox smileysBox;

  /**
   * The current <tt>ChatSession</tt> made known to this instance by the last call to its {@link
   * #chatChanged(ChatPanel)}.
   */
  private ChatSession chatSession;

  /** The chat container, where this tool bar is added. */
  protected final ChatContainer chatContainer;

  /** The plug-in container contained in this tool bar. */
  private final PluginContainer pluginContainer;

  /** The phone util used to enable/disable buttons. */
  private MetaContactPhoneUtil contactPhoneUtil = null;

  /**
   * Creates an instance and constructs the <tt>MainToolBar</tt>.
   *
   * @param chatContainer The parent <tt>ChatWindow</tt>.
   */
  public MainToolBar(ChatContainer chatContainer) {
    this.chatContainer = chatContainer;

    init();

    pluginContainer = new PluginContainer(this, Container.CONTAINER_CHAT_TOOL_BAR);

    this.chatContainer.addChatChangeListener(this);
  }

  /** Initializes this component. */
  protected void init() {
    this.setLayout(new FlowLayout(FlowLayout.LEFT, 3, 0));
    this.setOpaque(false);

    this.add(inviteButton);

    // if we leave a chat room when we close the window
    // there is no need for this button
    if (!ConfigurationUtils.isLeaveChatRoomOnWindowCloseEnabled()) this.add(leaveChatRoomButton);

    this.add(callButton);
    this.add(callVideoButton);
    this.add(desktopSharingButton);
    this.add(sendFileButton);

    ChatPanel chatPanel = chatContainer.getCurrentChat();
    if (chatPanel == null || !(chatPanel.getChatSession() instanceof MetaContactChatSession))
      sendFileButton.setEnabled(false);

    this.addSeparator();

    this.add(historyButton);
    this.add(previousButton);
    this.add(nextButton);

    // We only add the options button if the property SHOW_OPTIONS_WINDOW
    // specifies so or if it's not set.
    Boolean showOptionsProp =
        GuiActivator.getConfigurationService()
            .getBoolean(ConfigurationFrame.SHOW_OPTIONS_WINDOW_PROPERTY, false);

    if (showOptionsProp.booleanValue()) {
      this.add(optionsButton);
    }

    this.addSeparator();

    if (ConfigurationUtils.isFontSupportEnabled()) {
      this.add(fontButton);
      fontButton.setName("font");
      fontButton.setToolTipText(
          GuiActivator.getResources().getI18NString("service.gui.CHANGE_FONT"));
      fontButton.addActionListener(this);
    }

    initSmiliesSelectorBox();

    this.addSeparator();

    this.inviteButton.setName("invite");
    this.inviteButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.INVITE"));

    this.leaveChatRoomButton.setName("leave");
    this.leaveChatRoomButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.LEAVE"));

    this.callButton.setName("call");
    this.callButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.CALL_CONTACT"));

    this.callVideoButton.setName("callVideo");
    this.callVideoButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.CALL_CONTACT"));

    this.desktopSharingButton.setName("desktop");
    this.desktopSharingButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.SHARE_DESKTOP_WITH_CONTACT"));

    this.historyButton.setName("history");
    this.historyButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.HISTORY") + " Ctrl-H");

    optionsButton.setName("options");
    optionsButton.setToolTipText(GuiActivator.getResources().getI18NString("service.gui.OPTIONS"));

    this.sendFileButton.setName("sendFile");
    this.sendFileButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.SEND_FILE"));

    this.previousButton.setName("previous");
    this.previousButton.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.PREVIOUS"));

    this.nextButton.setName("next");
    this.nextButton.setToolTipText(GuiActivator.getResources().getI18NString("service.gui.NEXT"));

    inviteButton.addActionListener(this);
    leaveChatRoomButton.addActionListener(this);
    callButton.addActionListener(this);
    callVideoButton.addActionListener(this);
    desktopSharingButton.addActionListener(this);
    historyButton.addActionListener(this);
    optionsButton.addActionListener(this);
    sendFileButton.addActionListener(this);
    previousButton.addActionListener(this);
    nextButton.addActionListener(this);
  }

  private void initSmiliesSelectorBox() {
    this.smileysBox = new SmileysSelectorBox();

    this.smileysBox.setName("smiley");
    this.smileysBox.setToolTipText(
        GuiActivator.getResources().getI18NString("service.gui.INSERT_SMILEY") + " Ctrl-M");

    SIPCommMenuBar smileyMenuBar = new SIPCommMenuBar();
    smileyMenuBar.setOpaque(false);
    smileyMenuBar.setLayout(new FlowLayout(FlowLayout.CENTER, 0, 0));
    smileyMenuBar.add(smileysBox);

    this.add(smileyMenuBar);
  }

  /**
   * Runs clean-up for associated resources which need explicit disposal (e.g. listeners keeping
   * this instance alive because they were added to the model which operationally outlives this
   * instance).
   */
  public void dispose() {
    pluginContainer.dispose();
  }

  /**
   * Implements ChatChangeListener#chatChanged(ChatPanel).
   *
   * @param chatPanel the <tt>ChatPanel</tt>, which changed
   */
  public void chatChanged(ChatPanel chatPanel) {
    if (chatPanel == null) {
      setChatSession(null);
    } else {
      MetaContact contact = GuiActivator.getUIService().getChatContact(chatPanel);

      for (PluginComponent c : pluginContainer.getPluginComponents()) c.setCurrentContact(contact);

      setChatSession(chatPanel.chatSession);

      leaveChatRoomButton.setEnabled(chatPanel.chatSession instanceof ConferenceChatSession);

      inviteButton.setEnabled(chatPanel.findInviteChatTransport() != null);

      sendFileButton.setEnabled(chatPanel.findFileTransferChatTransport() != null);

      new UpdateCallButtonWorker(contact).start();

      changeHistoryButtonsState(chatPanel);
    }
  }

  /**
   * Returns list of <tt>ChatTransport</tt> (i.e. contact) that supports the specified
   * <tt>OperationSet</tt>.
   *
   * @param transports list of <tt>ChatTransport</tt>
   * @param opSetClass <tt>OperationSet</tt> to find
   * @return list of <tt>ChatTransport</tt> (i.e. contact) that supports the specified
   *     <tt>OperationSet</tt>.
   */
  private List<ChatTransport> getOperationSetForCapabilities(
      List<ChatTransport> transports, Class<? extends OperationSet> opSetClass) {
    List<ChatTransport> list = new ArrayList<ChatTransport>();

    for (ChatTransport transport : transports) {
      ProtocolProviderService protocolProvider = transport.getProtocolProvider();
      OperationSetContactCapabilities capOpSet =
          protocolProvider.getOperationSet(OperationSetContactCapabilities.class);
      OperationSetPersistentPresence presOpSet =
          protocolProvider.getOperationSet(OperationSetPersistentPresence.class);

      if (capOpSet == null) {
        list.add(transport);
      } else if (presOpSet != null) {
        Contact contact = presOpSet.findContactByID(transport.getName());

        if ((contact != null) && (capOpSet.getOperationSet(contact, opSetClass) != null)) {
          // It supports OpSet for at least one of its
          // ChatTransports
          list.add(transport);
        }
      }
    }

    return list;
  }

  /**
   * Implements ChatSessionChangeListener#currentChatTransportChanged(ChatSession).
   *
   * @param chatSession the <tt>ChatSession</tt>, which transport has changed
   */
  public void currentChatTransportChanged(ChatSession chatSession) {
    if (chatSession == null) return;

    ChatTransport currentTransport = chatSession.getCurrentChatTransport();
    Object currentDescriptor = currentTransport.getDescriptor();

    if (currentDescriptor instanceof Contact) {
      Contact contact = (Contact) currentDescriptor;

      for (PluginComponent c : pluginContainer.getPluginComponents()) c.setCurrentContact(contact);
    }
  }

  /**
   * Handles the <tt>ActionEvent</tt>, when one of the tool bar buttons is clicked.
   *
   * @param e the <tt>ActionEvent</tt> that notified us
   */
  public void actionPerformed(ActionEvent e) {
    AbstractButton button = (AbstractButton) e.getSource();
    String buttonText = button.getName();

    ChatPanel chatPanel = chatContainer.getCurrentChat();

    if (buttonText.equals("previous")) {
      chatPanel.loadPreviousPageFromHistory();
    } else if (buttonText.equals("next")) {
      chatPanel.loadNextPageFromHistory();
    } else if (buttonText.equals("sendFile")) {
      SipCommFileChooser scfc =
          GenericFileDialog.create(
              null,
              "Send file...",
              SipCommFileChooser.LOAD_FILE_OPERATION,
              ConfigurationUtils.getSendFileLastDir());
      File selectedFile = scfc.getFileFromDialog();
      if (selectedFile != null) {
        ConfigurationUtils.setSendFileLastDir(selectedFile.getParent());
        chatContainer.getCurrentChat().sendFile(selectedFile);
      }
    } else if (buttonText.equals("history")) {
      HistoryWindow history;

      HistoryWindowManager historyWindowManager =
          GuiActivator.getUIService().getHistoryWindowManager();

      ChatSession chatSession = chatPanel.getChatSession();

      if (historyWindowManager.containsHistoryWindowForContact(chatSession.getDescriptor())) {
        history = historyWindowManager.getHistoryWindowForContact(chatSession.getDescriptor());

        if (history.getState() == JFrame.ICONIFIED) history.setState(JFrame.NORMAL);

        history.toFront();
      } else {
        history = new HistoryWindow(chatPanel.getChatSession().getDescriptor());

        history.setVisible(true);

        historyWindowManager.addHistoryWindowForContact(chatSession.getDescriptor(), history);
      }
    } else if (buttonText.equals("invite")) {
      ChatInviteDialog inviteDialog = new ChatInviteDialog(chatPanel);

      inviteDialog.setVisible(true);
    } else if (buttonText.equals("leave")) {
      ConferenceChatManager conferenceManager =
          GuiActivator.getUIService().getConferenceChatManager();
      conferenceManager.leaveChatRoom((ChatRoomWrapper) chatPanel.getChatSession().getDescriptor());
    } else if (buttonText.equals("call")) {
      call(false, false);
    } else if (buttonText.equals("callVideo")) {
      call(true, false);
    } else if (buttonText.equals("desktop")) {
      call(true, true);
    } else if (buttonText.equals("options")) {
      GuiActivator.getUIService().getConfigurationContainer().setVisible(true);
    } else if (buttonText.equals("font")) chatPanel.showFontChooserDialog();
  }

  /**
   * Returns the button used to show the history window.
   *
   * @return the button used to show the history window.
   */
  public ChatToolbarButton getHistoryButton() {
    return historyButton;
  }

  /**
   * Get the smileys box.
   *
   * @return the smileys box
   */
  public SmileysSelectorBox getSmileysBox() {
    return smileysBox;
  }

  /**
   * Disables/Enables history arrow buttons depending on whether the current page is the first, the
   * last page or a middle page.
   *
   * @param chatPanel the <tt>ChatPanel</tt> which has provoked the change.
   */
  public void changeHistoryButtonsState(ChatPanel chatPanel) {
    ChatConversationPanel convPanel = chatPanel.getChatConversationPanel();

    long firstMsgInHistory = chatPanel.getFirstHistoryMsgTimestamp().getTime();
    long lastMsgInHistory = chatPanel.getLastHistoryMsgTimestamp().getTime();
    Date firstMsgInPage = convPanel.getPageFirstMsgTimestamp();
    Date lastMsgInPage = convPanel.getPageLastMsgTimestamp();

    if (firstMsgInHistory == 0 || lastMsgInHistory == 0) {
      previousButton.setEnabled(false);
      nextButton.setEnabled(false);
      return;
    }

    previousButton.setEnabled(firstMsgInHistory < firstMsgInPage.getTime());

    nextButton.setEnabled(
        (lastMsgInPage.getTime() > 0) && (lastMsgInHistory > lastMsgInPage.getTime()));
  }

  /**
   * Sets the current <tt>ChatSession</tt> made known to this instance by the last call to its
   * {@link #chatChanged(ChatPanel)}.
   *
   * @param chatSession the <tt>ChatSession</tt> to become current for this instance
   */
  private void setChatSession(ChatSession chatSession) {
    if (this.chatSession != chatSession) {
      if (this.chatSession instanceof MetaContactChatSession)
        this.chatSession.removeChatTransportChangeListener(this);

      this.chatSession = chatSession;

      if (this.chatSession instanceof MetaContactChatSession)
        this.chatSession.addChatTransportChangeListener(this);
    }
  }

  /** Adds a separator to this tool bar. */
  private void addSeparator() {
    this.add(new JSeparator(SwingConstants.VERTICAL));
  }

  /** Reloads icons for buttons. */
  public void loadSkin() {
    inviteButton.setIconImage(ImageLoader.getImage(ImageLoader.ADD_TO_CHAT_ICON));

    historyButton.setIconImage(ImageLoader.getImage(ImageLoader.HISTORY_ICON));

    sendFileButton.setIconImage(ImageLoader.getImage(ImageLoader.SEND_FILE_ICON));

    fontButton.setIconImage(ImageLoader.getImage(ImageLoader.FONT_ICON));

    previousButton.setIconImage(ImageLoader.getImage(ImageLoader.PREVIOUS_ICON));

    nextButton.setIconImage(ImageLoader.getImage(ImageLoader.NEXT_ICON));

    leaveChatRoomButton.setIconImage(ImageLoader.getImage(ImageLoader.LEAVE_ICON));

    callButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_CALL));

    desktopSharingButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_DESKTOP_SHARING));

    optionsButton.setIconImage(ImageLoader.getImage(ImageLoader.CHAT_CONFIGURE_ICON));
  }

  /**
   * Establishes a call.
   *
   * @param isVideo indicates if a video call should be established.
   * @param isDesktopSharing indicates if a desktopSharing should be established.
   */
  private void call(boolean isVideo, boolean isDesktopSharing) {
    ChatPanel chatPanel = chatContainer.getCurrentChat();

    ChatSession chatSession = chatPanel.getChatSession();

    Class<? extends OperationSet> opSetClass;
    if (isVideo) {
      if (isDesktopSharing) opSetClass = OperationSetDesktopSharingServer.class;
      else opSetClass = OperationSetVideoTelephony.class;
    } else opSetClass = OperationSetBasicTelephony.class;

    List<ChatTransport> telTransports = null;
    if (chatSession != null) telTransports = chatSession.getTransportsForOperationSet(opSetClass);

    List<ChatTransport> contactOpSetSupported;

    contactOpSetSupported = getOperationSetForCapabilities(telTransports, opSetClass);

    List<UIContactDetail> res = new ArrayList<UIContactDetail>();
    for (ChatTransport ct : contactOpSetSupported) {
      HashMap<Class<? extends OperationSet>, ProtocolProviderService> m =
          new HashMap<Class<? extends OperationSet>, ProtocolProviderService>();
      m.put(opSetClass, ct.getProtocolProvider());

      UIContactDetailImpl d =
          new UIContactDetailImpl(
              ct.getName(), ct.getDisplayName(), null, null, null, m, null, ct.getName());
      PresenceStatus status = ct.getStatus();
      byte[] statusIconBytes = status.getStatusIcon();

      if (statusIconBytes != null && statusIconBytes.length > 0) {
        d.setStatusIcon(
            new ImageIcon(
                ImageLoader.getIndexedProtocolImage(
                    ImageUtils.getBytesInImage(statusIconBytes), ct.getProtocolProvider())));
      }

      res.add(d);
    }

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

    SwingUtilities.convertPointToScreen(location, this);

    MetaContact metaContact = GuiActivator.getUIService().getChatContact(chatPanel);
    UIContactImpl uiContact = null;
    if (metaContact != null) uiContact = MetaContactListSource.getUIContact(metaContact);

    CallManager.call(res, uiContact, isVideo, isDesktopSharing, callButton, location);
  }

  /**
   * Searches for phone numbers in <tt>MetaContact/tt> operation sets. And changes the call button
   * enable/disable state.
   */
  private class UpdateCallButtonWorker extends SwingWorker {
    /** The current contact. */
    private MetaContact contact;

    /** Has this contact any phone. */
    private boolean isCallEnabled = false;

    /** Has this contact any video phone. */
    private boolean isVideoCallEnabled = false;

    /** Has this contact has desktop sharing enabled. */
    private boolean isDesktopSharingEnabled = false;

    /**
     * Creates worker.
     *
     * @param contact
     */
    UpdateCallButtonWorker(MetaContact contact) {
      this.contact = contact;
    }

    /**
     * Executes in worker thread.
     *
     * @return
     * @throws Exception
     */
    @Override
    protected Object construct() throws Exception {
      contactPhoneUtil = MetaContactPhoneUtil.getPhoneUtil(contact);

      isCallEnabled = contactPhoneUtil.isCallEnabled();
      isVideoCallEnabled = contactPhoneUtil.isVideoCallEnabled();
      isDesktopSharingEnabled = contactPhoneUtil.isDesktopSharingEnabled();

      return null;
    }

    /**
     * Called on the event dispatching thread (not on the worker thread) after the <code>construct
     * </code> method has returned.
     */
    @Override
    protected void finished() {
      callButton.setEnabled(isCallEnabled);
      callVideoButton.setEnabled(isVideoCallEnabled);
      desktopSharingButton.setEnabled(isDesktopSharingEnabled);
    }
  }
}