Update display name in realtime across tabs and remember 'anonymous' name

www/poll/main.js

@@ -436,13 +436,6 @@ define([
         APP.proxy.info.userData = userData;
     };
 
-    //var myData = {};
-    var getLastName = function (cb) {
-        Cryptpad.getAttribute('username', function (err, userName) {
-            cb(err, userName || '');
-        });
-    };
-
     var setName = APP.setName = function (newName) {
         if (typeof(newName) !== 'string') { return; }
         var myUserNameTemp = Cryptpad.fixHTML(newName.trim());
@@ -461,8 +454,6 @@ define([
                 console.error("Couldn't set username");
                 return;
             }
-            APP.userName.lastName = myUserName;
-            //change();
         });
     };
 
@@ -636,7 +627,7 @@ define([
         }
 
 
-        getLastName(function (err, lastName) {
+        Cryptpad.getLastName(function (err, lastName) {
             APP.ready = true;
 
             if (!proxy.published) {
@@ -680,13 +671,6 @@ define([
 
         userList = APP.userList = info.userList;
 
-        APP.userName = {};
-        // The lastName is stored in an object passed to the toolbar so that when the user clicks on
-        // the "change display name" button, the prompt already knows his current name
-        getLastName(function (err, lastName) {
-            APP.userName.lastName = lastName;
-        });
-
         var config = {
             displayed: ['useradmin', 'language', 'spinner', 'lag', 'state', 'share', 'userlist', 'newpad'],
             userData: userData,
@@ -696,10 +680,6 @@ define([
                 defaultName: defaultName,
                 suggestName: suggestName
             },
-            userName: {
-                setName: setName,
-                lastName: APP.userName
-            },
             ifrw: window,
             common: Cryptpad,
         };
@@ -734,6 +714,8 @@ define([
         // set the hash
         if (!readOnly) { Cryptpad.replaceHash(editHash); }
 
+        Cryptpad.onDisplayNameChanged(setName);
+
         Cryptpad.getPadTitle(function (err, title) {
             if (err) {
                 error(err);