Sort initializers into separate init functions for DOM and WS events, stop passing session.loggedIn() around in refresh and setMode functions and send first message through session

www/login.js

@@ -19,12 +19,27 @@ function Login(modules) {
     }
   }];
 
+  init();
+
+  return {};
+
+  function init() {
+    initDOMEvents();
+    initMessageHandlers();
+    var name = modules.save.get('player.name');
+    if(name != undefined && name.length > 0) {
+      root.you.value = name;
+      formDisable('join', false);
+    }
+  }
+
+  function initDOMEvents() {
     root.addEventListener('submit', function(e) {
       e.preventDefault();
       if(modules.session.loggedIn()) {
         modules.messaging.send({tag: "Invitation", to: them});
       } else {
-      modules.messaging.send({tag: "LogIn", name: root.you.value});
+        modules.session.start(root.you.value);
       }
     });
 
@@ -33,15 +48,17 @@ function Login(modules) {
       lib.send({tag: "LogOut"})
     });
 
-  root.you.addEventListener("input", function() {refreshPlayers(false);});
+    root.you.addEventListener("input", function() {refreshPlayers();});
-  root.them.addEventListener("input", function() {refreshPlayers(true);});
+    root.them.addEventListener("input", function() {refreshPlayers();});
+  }
 
+  function initMessageHandlers() {
     modules.messaging.addEventListener(["Welcome"], function() {
-    refreshPlayers(modules.session.loggedIn());
+      refreshPlayers();
     });
 
     modules.messaging.addEventListener(["Update"], function(o) {
-    refreshPlayers(modules.session.loggedIn());
+      refreshPlayers();
     });
 
     modules.messaging.addEventListener(["Relay", "LogIn"], function() {
@@ -72,17 +89,18 @@ function Login(modules) {
       }
     });
 
-  return {};
+    modules.messaging.addEventListener('open', refreshPlayers);
-
+    modules.messaging.addEventListener('close', refreshPlayers);
-  function playersChanged() {
-    var loggedIn = modules.session.loggedIn();
-    setMode(loggedIn);
-    refreshPlayers(loggedIn);
   }
 
-  function refreshPlayers(loggedIn) {
+  function playersChanged() {
+    setMode();
+    refreshPlayers();
+  }
+
+  function refreshPlayers() {
     modules.dom.clear(players);
-    if(loggedIn) {
+    if(modules.session.loggedIn()) {
       refreshThem();
     } else {
       refreshYou();
@@ -122,7 +140,7 @@ function Login(modules) {
 
   function formDisable(name, disabled) {
     [submit, root[name]].forEach(function(button) {
-      button.disabled = disabled;
+      button.disabled = disabled || !modules.messaging.isOn();
     });
   }
 
@@ -132,7 +150,8 @@ function Login(modules) {
     };
   }
 
-  function setMode(loggedIn) {
+  function setMode() {
+    var loggedIn = modules.session.loggedIn()
     root.join.disabled = loggedIn;
     root.invite.disabled = !loggedIn;
     if(loggedIn) {