Add start routine in session module picking the correct message and add an explicit loggedIn private boolean, rename the getter

www/login.js

@@ -36,7 +36,7 @@ function Login(modules) {
   function initDOMEvents() {
     root.addEventListener('submit', function(e) {
       e.preventDefault();
-      if(modules.session.loggedIn()) {
+      if(modules.session.isLoggedIn()) {
         modules.messaging.send({tag: "Invitation", to: them});
       } else {
         modules.session.start(root.you.value);
@@ -100,7 +100,7 @@ function Login(modules) {
 
   function refreshPlayers() {
     modules.dom.clear(players);
-    if(modules.session.loggedIn()) {
+    if(modules.session.isLoggedIn()) {
       refreshThem();
     } else {
       refreshYou();
@@ -151,7 +151,7 @@ function Login(modules) {
   }
 
   function setMode() {
-    var loggedIn = modules.session.loggedIn()
+    var loggedIn = modules.session.isLoggedIn()
     root.join.disabled = loggedIn;
     root.invite.disabled = !loggedIn;
     if(loggedIn) {

www/room.js

@@ -45,7 +45,7 @@ function Room(modules) {
   };
 
   function filter(name) {
-    if(modules.session.loggedIn()) {
+    if(modules.session.isLoggedIn()) {
       var keep = function(player) {
         return player.name.match(name) && !modules.session.is(player.key) && player.alone;
       };

www/session.js

@@ -1,9 +1,11 @@
 function Session(modules) {
   var key = null;
   var name = null;
+  var loggedIn = false;
 
   modules.messaging.addEventListener(["Welcome"], function(o) {
     key = o.key;
+    modules.save.set('player.id', key);
   });
 
   modules.messaging.addEventListener(["Relay", "LogIn"], function(o) {
@@ -15,7 +17,8 @@ function Session(modules) {
   return {
     is: is,
     getKey: getKey,
-    loggedIn: loggedIn
+    loggedIn: loggedIn,
+    start: start
   };
 
   function is(sessionKey) {
@@ -26,7 +29,17 @@ function Session(modules) {
     return key;
   }
 
-  function loggedIn() {
-    return name != undefined;
+  function isLoggedIn() {
+    return loggedIn;
+  }
+
+  function start(name) {
+    var myID = modules.save.get('player.id');
+    if(myID != undefined) {
+      modules.messaging.send({tag: 'Tadaima', myID: myID, name: name});
+    } else {
+      modules.messaging.send({tag: 'Hello', name: name});
+    }
+    modules.save.set('player.name', name);
   }
 }