From a4a08662beb231ecaf0a3db4936ab3d14344605a Mon Sep 17 00:00:00 2001
From: Ortwin Gentz <gentz@futuretap.com>
Date: Thu, 15 Nov 2018 22:10:23 +0100
Subject: [PATCH] Fixed infinite recursion in FloatingPanel.responds(to:)

if track(scrollView:) is called twice
---
 Framework/Sources/FloatingPanelController.swift | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Framework/Sources/FloatingPanelController.swift b/Framework/Sources/FloatingPanelController.swift
index dc2b7eb..76209ef 100644
--- a/Framework/Sources/FloatingPanelController.swift
+++ b/Framework/Sources/FloatingPanelController.swift
@@ -344,8 +344,10 @@ public class FloatingPanelController: UIViewController, UIScrollViewDelegate, UI
     ///
     public func track(scrollView: UIScrollView) {
         floatingPanel.scrollView = scrollView
-        floatingPanel.userScrollViewDelegate = scrollView.delegate
-        scrollView.delegate = floatingPanel
+        if scrollView.delegate !== floatingPanel {
+            floatingPanel.userScrollViewDelegate = scrollView.delegate
+            scrollView.delegate = floatingPanel
+        }
         switch contentInsetAdjustmentBehavior {
         case .always:
             if #available(iOS 11.0, *) {