From 0159a5f3c307329db8e770d47ba3e6f105dfd872 Mon Sep 17 00:00:00 2001
From: Lars Berning <151194+laberning@users.noreply.github.com>
Date: Mon, 17 Jan 2022 21:19:30 +0100
Subject: [PATCH] shows fullscreen button only on browsers that support this
 feature

---
 app/client/components/DashboardActions.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/client/components/DashboardActions.js b/app/client/components/DashboardActions.js
index 8848759..d97eb26 100644
--- a/app/client/components/DashboardActions.js
+++ b/app/client/components/DashboardActions.js
@@ -28,8 +28,9 @@ export class DashboardActions extends AppElement {
   renderOptionalButtons () {
     const buttons = []
     // changing to fullscreen mode only makes sence when the app is openend in a regular
-    // webbrowser (kiosk and standalone mode are always in fullscreen view)
-    if (this.appState.appMode === 'BROWSER') {
+    // webbrowser (kiosk and standalone mode are always in fullscreen view) and the browser
+    // supports this feature
+    if (this.appState.appMode === 'BROWSER' && document.documentElement.requestFullscreen) {
       buttons.push(html`
       <button @click=${this.toggleFullscreen}>
           <div id="fullscreen-icon">${icon_expand}</div>