From 8b8ba5875fddcd45a7cac07965b49da64ed95f0c Mon Sep 17 00:00:00 2001
From: Andrey <andrey-git@users.noreply.github.com>
Date: Thu, 18 Jan 2018 03:10:15 +0200
Subject: [PATCH] Fix for browsers without SW (#805)

* Fix for browsers without SW

* Improve check
---
 src/components/ha-push-notifications-toggle.html | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/components/ha-push-notifications-toggle.html b/src/components/ha-push-notifications-toggle.html
index c79324a3ab..bd85a282e8 100644
--- a/src/components/ha-push-notifications-toggle.html
+++ b/src/components/ha-push-notifications-toggle.html
@@ -25,7 +25,7 @@ class HaPushNotificationsToggle extends window.hassMixins.EventsMixin(Polymer.El
         readOnly: true,
         notify: true,
         value: (
-          'PushManager' in window &&
+          'serviceWorker' in navigator && 'PushManager' in window &&
             (document.location.protocol === 'https:' ||
               document.location.hostname === 'localhost' ||
               document.location.hostname === '127.0.0.1')
@@ -61,6 +61,7 @@ class HaPushNotificationsToggle extends window.hassMixins.EventsMixin(Polymer.El
     );
   }
   handlePushChange(pushChecked) {
+    if (!this.pushSupported) return;
     if (pushChecked) {
       this.subscribePushNotifications();
     } else {