Do not start the event stream if the user is not logged in (=if he does not has an access token yet)

Add isUserLoggedIn to check this.

webclient/app-controller.js

@@ -52,7 +52,7 @@ angular.module('MatrixWebClientController', ['matrixService'])
         }
     };
 
-    if (matrixService.config()) {
+    if (matrixService.isUserLoggedIn()) {
         eventStreamService.resume();
     }
     

webclient/app.js

@@ -63,9 +63,8 @@ matrixWebClient.config(['$routeProvider', '$provide', '$httpProvider',
     }]);
 
 matrixWebClient.run(['$location', 'matrixService', 'eventStreamService', function($location, matrixService, eventStreamService) {
-    // If we have no persistent login information, go to the login page
-    var config = matrixService.config();
-    if (!config || !config.access_token) {
+    // If user auth details are not in cache, go to the login page
+    if (!matrixService.isUserLoggedIn()) {
         eventStreamService.stop();
         $location.path("login");
     }

webclient/components/matrix/matrix-service.js

@@ -319,9 +319,18 @@ angular.module('matrixService', [])
             return doRequest("GET", path, params);
         },
 
-        // 
-        testLogin: function() {
+        // Indicates if user authentications details are stored in cache
+        isUserLoggedIn: function() {
+            var config = this.config();
 
+            // User is considered logged in if his cache is not empty and contains
+            // an access token
+            if (config && config.access_token) {
+                return true;
+            }
+            else {
+                return false;
+            }
         },
 
         /****** Permanent storage of user information ******/