From 712b75e2088e74b04cbacfa7f315a1e8f1c0bf83 Mon Sep 17 00:00:00 2001
From: kovacsv <viktorkovacs@gmail.com>
Date: Sun, 12 Dec 2021 21:36:41 +0100
Subject: [PATCH] End event should handled for iOS.

---
 source/viewer/navigation.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/source/viewer/navigation.js b/source/viewer/navigation.js
index d884dc3..dd4e351 100644
--- a/source/viewer/navigation.js
+++ b/source/viewer/navigation.js
@@ -133,6 +133,7 @@ OV.TouchInteraction = class
 		if (ev.touches.length === 0) {
 			return;
 		}
+
 		this.currPos = this.GetPositionFromEvent (canvas, ev);
 		this.diffPos = OV.SubCoord2D (this.currPos, this.prevPos);
 		this.prevPos = this.currPos.Clone ();
@@ -142,6 +143,17 @@ OV.TouchInteraction = class
 		this.prevDist = this.currDist;
 	}
 
+	End (canvas, ev)
+	{
+		if (ev.touches.length === 0) {
+			return;
+		}
+
+		this.fingers = 0;
+		this.currPos = this.GetPositionFromEvent (canvas, ev);
+		this.currDist = this.GetTouchDistanceFromEvent (canvas, ev);
+	}
+
 	IsFingerDown ()
 	{
 		return this.fingers !== 0;
@@ -481,6 +493,8 @@ OV.Navigation = class
 	OnTouchEnd (ev)
 	{
 		ev.preventDefault ();
+
+		this.touch.End (this.canvas, ev);
 	}
 
 	OnMouseWheel (ev)