Exemple #1
0
  /**
   * 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;
  }
  /**
   * Sends a typing notification state.
   *
   * @param typingState the typing notification state to send
   * @return the result of this operation. One of the TYPING_NOTIFICATION_XXX constants defined in
   *     this class
   */
  public int sendTypingNotification(int typingState) {
    // If this chat transport does not support sms messaging we do
    // nothing here.
    if (!allowsTypingNotifications()) return -1;

    ProtocolProviderService protocolProvider = contact.getProtocolProvider();
    OperationSetTypingNotifications tnOperationSet =
        protocolProvider.getOperationSet(OperationSetTypingNotifications.class);

    // if protocol is not registered or contact is offline don't
    // try to send typing notifications
    if (protocolProvider.isRegistered()
        && contact.getPresenceStatus().getStatus() >= PresenceStatus.ONLINE_THRESHOLD) {
      try {
        tnOperationSet.sendTypingNotification(contact, typingState);

        return ChatPanel.TYPING_NOTIFICATION_SUCCESSFULLY_SENT;
      } catch (Exception ex) {
        logger.error("Failed to send typing notifications.", ex);

        return ChatPanel.TYPING_NOTIFICATION_SEND_FAILED;
      }
    }

    return ChatPanel.TYPING_NOTIFICATION_SEND_FAILED;
  }