From 47725d9464e93e80e836ef9c57619e4f0bf1d8d0 Mon Sep 17 00:00:00 2001
From: Tamara Steinwender <tamara.steinwender@tugraz.at>
Date: Tue, 13 Oct 2020 17:44:34 +0200
Subject: [PATCH] Add disconnected callback in QR code scanner

---
 packages/qr-code-scanner/src/qr-code-scanner.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/qr-code-scanner/src/qr-code-scanner.js b/packages/qr-code-scanner/src/qr-code-scanner.js
index 3fffac42..3ba889f5 100644
--- a/packages/qr-code-scanner/src/qr-code-scanner.js
+++ b/packages/qr-code-scanner/src/qr-code-scanner.js
@@ -73,6 +73,11 @@ export class QrCodeScanner extends ScopedElementsMixin(DBPLitElement) {
         });
     }
 
+    disconnectedCallback() {
+        this.stopScanning();
+        super.disconnectedCallback();
+    }
+
     updated(changedProperties) {
         if (changedProperties.get('stopScan') && !this.stopScan) {
             this.qrCodeScannerInit();
-- 
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