From ce57dff028fe11d37f95696571579646bd122ba0 Mon Sep 17 00:00:00 2001
From: kovacsv <viktorkovacs@gmail.com>
Date: Sun, 12 Dec 2021 21:24:42 +0100
Subject: [PATCH] Handle touchcancel, because touchend doesn't work on android.

---
 source/viewer/navigation.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/viewer/navigation.js b/source/viewer/navigation.js
index 89e46ff..d884dc3 100644
--- a/source/viewer/navigation.js
+++ b/source/viewer/navigation.js
@@ -246,6 +246,7 @@ OV.Navigation = class
 			this.canvas.addEventListener ('wheel', this.OnMouseWheel.bind (this));
 			this.canvas.addEventListener ('touchstart', this.OnTouchStart.bind (this));
 			this.canvas.addEventListener ('touchmove', this.OnTouchMove.bind (this));
+			this.canvas.addEventListener ('touchcancel', this.OnTouchEnd.bind (this));
 			this.canvas.addEventListener ('touchend', this.OnTouchEnd.bind (this));
 			this.canvas.addEventListener ('contextmenu', this.OnContextMenu.bind (this));
 		}