Merge pull request #489 from isymchych/handle-focus-left

handle FOCUS_LEFT conference error

conference.js

             break;
 
         case ConferenceErrors.GRACEFUL_SHUTDOWN:
-            APP.UI.notifyGracefulShudown();
+            APP.UI.notifyGracefulShutdown();
             break;
 
         case ConferenceErrors.JINGLE_FATAL_ERROR:
             }
             break;
 
+        case ConferenceErrors.FOCUS_LEFT:
+            APP.UI.notifyFocusLeft();
+            break;
+
         default:
             this._handleConferenceFailed(err, ...params);
         }

lang/main.json

         "failtoinstall": "Failed to install desktop sharing extension",
         "failedpermissions": "Failed to obtain permissions to use the local microphone and/or camera.",
         "bridgeUnavailable": "Jitsi Videobridge is currently unavailable. Please try again later!",
+        "jicofoUnavailable": "Jicofo is currently unavailable. Please try again later!",
         "lockTitle": "Lock failed",
         "lockMessage": "Failed to lock the conference.",
         "warning": "Warning",

modules/UI/UI.js

 import VideoLayout from "./videolayout/VideoLayout";
 import SettingsMenu from "./side_pannels/settings/SettingsMenu";
 import Settings from "./../settings/Settings";
+import { reload } from '../util/helpers';
 
 var EventEmitter = require("events");
 UI.messageHandler = require("./util/MessageHandler");
 /**
  * Notify user that server has shut down.
  */
-UI.notifyGracefulShudown = function () {
+UI.notifyGracefulShutdown = function () {
     messageHandler.openMessageDialog(
         'dialog.serviceUnavailable',
         'dialog.gracefulShutdown'
         '<input name="password" ' +
         'type="password" data-i18n="[placeholder]dialog.userPassword"' +
         ' placeholder="user password">';
-    UI.messageHandler.openTwoButtonDialog(null, null, null, message,
+    messageHandler.openTwoButtonDialog(null, null, null, message,
         true,
         "dialog.Ok",
         function (e, v, m, f) {
 };
 
 UI.notifyInternalError = function () {
-    UI.messageHandler.showError("dialog.sorry", "dialog.internalError");
+    messageHandler.showError("dialog.sorry", "dialog.internalError");
 };
 
 UI.notifyFocusDisconnected = function (focus, retrySec) {
-    UI.messageHandler.notify(
+    messageHandler.notify(
         null, "notify.focus",
         'disconnected', "notify.focusFail",
         {component: focus, ms: retrySec}
     );
 };
 
+/**
+ * Notify user that focus left the conference so page should be reloaded.
+ */
+UI.notifyFocusLeft = function () {
+    let title = APP.translation.generateTranslationHTML(
+        'dialog.serviceUnavailable'
+    );
+    let msg = APP.translation.generateTranslationHTML(
+        'dialog.jicofoUnavailable'
+    );
+    messageHandler.openDialog(
+        title,
+        msg,
+        true, // persistent
+        [{title: 'retry'}],
+        function () {
+            reload();
+            return false;
+        }
+    );
+};
+
 /**
  * Updates auth info on the UI.
  * @param {boolean} isAuthEnabled if authentication is enabled
  * Shows dialog with a link to FF extension.
  */
 UI.showExtensionRequiredDialog = function (url) {
-    APP.UI.messageHandler.openMessageDialog(
+    messageHandler.openMessageDialog(
         "dialog.extensionRequired",
         null,
         null,

modules/util/helpers.js

 
     return deferred;
 }
+
+/**
+ * Reload page.
+ */
+export function reload () {
+    window.location.reload();
+}