Fix ReferenceError with Notification

www/common/sframe-common-outer.js

@@ -97,6 +97,7 @@ define([
                 '/common/common-hash.js',
                 '/common/common-util.js',
                 '/common/common-realtime.js',
+                '/common/notify.js',
                 '/common/common-constants.js',
                 '/common/common-feedback.js',
                 '/common/outer/local-store.js',
@@ -105,7 +106,7 @@ define([
                 '/common/test.js',
                 '/common/userObject.js',
             ], waitFor(function (_CpNfOuter, _Cryptpad, _Crypto, _Cryptget, _SFrameChannel,
-            _SecureIframe, _Messaging, _Notifier, _Hash, _Util, _Realtime,
+            _SecureIframe, _Messaging, _Notifier, _Hash, _Util, _Realtime, _Notify,
             _Constants, _Feedback, _LocalStore, _Cache, _AppConfig, _Test, _UserObject) {
                 CpNfOuter = _CpNfOuter;
                 Cryptpad = _Cryptpad;
@@ -123,6 +124,7 @@ define([
                 Utils.LocalStore = _LocalStore;
                 Utils.Cache = _Cache;
                 Utils.UserObject = _UserObject;
+                Utils.Notify = _Notify;
                 Utils.currentPad = currentPad;
                 AppConfig = _AppConfig;
                 Test = _Test;
@@ -564,6 +566,7 @@ define([
                         defaultTitle: defaultTitle,
                         type: cfg.type || parsed.type
                     };
+                    var notifs = Utils.Notify.isSupported() && Utils.Notify.hasPermission();
                     var additionalPriv = {
                         app: parsed.type,
                         loggedIn: Utils.LocalStore.isLoggedIn(),
@@ -578,7 +581,7 @@ define([
                         isPresent: parsed.hashData && parsed.hashData.present,
                         isEmbed: parsed.hashData && parsed.hashData.embed,
                         isHistoryVersion: parsed.hashData && parsed.hashData.versionHash,
-                        notifications: Notification && Notification.permission === "granted",
+                        notifications: notifs,
                         accounts: {
                             donateURL: Cryptpad.donateURL,
                             upgradeURL: Cryptpad.upgradeURL
@@ -1605,6 +1608,7 @@ define([
             });
 
             sframeChan.on('Q_ASK_NOTIFICATION', function (data, cb) {
+                if (!Utils.Notify.isSupported()) { return void cb(false); }
                 Notification.requestPermission(function (s) {
                     cb(s === "granted");
                 });