/**
  Receiving data from Google Talk
  Using the Smack API - http://www.igniterealtime.org/projects/smack/index.jsp
  
  Example by Christian Liljedahl, 6. april 2010

  Add smack.jar and smackx.jar to your project Sketch -> Add file...  

*/

int redColor = 255;
String FromGoogleTalk = "";

// newChat has to be declared global. If not, the MessageListener will time out 
after 30 seconds. Processing does this, for some reason. 
Chat newChat;

void OpenChatConnection(){
  // This is the connection to google talk. If you use jabber, put other stuff in here.
  ConnectionConfiguration config = new ConnectionConfiguration("talk.google.com", 5222, "gmail.com");
        //config.setSASLAuthenticationEnabled(true);

  XMPPConnection connection = new XMPPConnection(config);
  try {
    connection.connect();
  } 
  catch (XMPPException e1) {
  }

  try {

    // This is the username and password of the chat client that is to run within Processing.  
    // Google password has to be of _strong_ quality to work    
    connection.login("processing_clientusername@gmail.com", "password");
    //connection.login("inside_processing_username@gmail.com", "yourpassword");
  } 
  catch (XMPPException e1) {
    // would probably be a good idea to put some user friendly action here.
    e1.printStackTrace(); 
  }

  // It would be pretty to do some sort of test here, to make sure we are connected.
  ChatManager chatmanager = connection.getChatManager();

  // Eventhandler, to catch incoming chat events
  newChat = chatmanager.createChat("useryouwanttolistento@gmail.com", new MessageListener() {
    public void processMessage(Chat chat, Message message) {
      // Here you do what you do with the message
      FromGoogleTalk = message.getBody();
      // Process commands
      println(FromGoogleTalk);
    }
   }
  );

}

void setup() {
  size(200, 200);
  noStroke();
  background(0);

  OpenChatConnection();
}

void draw() {
    fill(redColor,100 ,100);
    text(FromGoogleTalk, 15, 30);      
    
}