From a18152f6b95763c664bc1e19087ea8a630a3a885 Mon Sep 17 00:00:00 2001
From: "Pfeil, Scott Robert" <scott.pfeil3@verizonwireless.com>
Date: Thu, 9 Jul 2020 12:18:34 -0400
Subject: [PATCH] status observer for accessibility changes

---
 MVMCoreUI/Atomic/Organisms/Carousel.swift | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/MVMCoreUI/Atomic/Organisms/Carousel.swift b/MVMCoreUI/Atomic/Organisms/Carousel.swift
index 4fb7b413..6cc67d4e 100644
--- a/MVMCoreUI/Atomic/Organisms/Carousel.swift
+++ b/MVMCoreUI/Atomic/Organisms/Carousel.swift
@@ -114,6 +114,9 @@ open class Carousel: View {
         if UIAccessibility.isVoiceOverRunning {
             collectionView.isScrollEnabled = false
         }
+        
+        // Listen for accessibility changes
+        NotificationCenter.default.addObserver(self, selector: #selector(accessibilityStatusChanged(_:)), name: UIAccessibility.voiceOverStatusDidChangeNotification, object: nil)
     }
     
     open override func updateView(_ size: CGFloat) {
@@ -191,6 +194,8 @@ open class Carousel: View {
 
             molecules?.insert(contentsOf: newMolecules.suffix(2), at: 0)
             molecules?.append(contentsOf: newMolecules.prefix(2))
+        } else {
+            loop = false
         }
         
         pageIndex = 0
@@ -306,6 +311,15 @@ open class Carousel: View {
         }
     }
     
+    /// Resets view
+    @objc private func accessibilityStatusChanged(_ sender: Notification) {
+        // Fixes defects where it scrolls when it shouldn't with voiceover
+        collectionView.isScrollEnabled = !UIAccessibility.isVoiceOverRunning
+        if let model = model {
+            set(with: model, delegateObject, nil)
+        }
+    }
+    
     /// Accessibility element that allows for adjustable carousel.
     private var carouselAccessibilityElement: CarouselAccessibilityElement?