From bced3600fc3ddb710f3aa5029945fd11fb08367a Mon Sep 17 00:00:00 2001
From: Kyle Matthew Hedden <kyle.hedden@verizonwireless.com>
Date: Fri, 24 Jul 2020 12:19:48 -0400
Subject: [PATCH] adjust wheel animation to remain on CALayer and not hitting
 main CPU thread on every cycle.

---
 MVMCoreUI/Atomic/Atoms/Views/Wheel.swift | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/MVMCoreUI/Atomic/Atoms/Views/Wheel.swift b/MVMCoreUI/Atomic/Atoms/Views/Wheel.swift
index da71ea0f..d81af71c 100644
--- a/MVMCoreUI/Atomic/Atoms/Views/Wheel.swift
+++ b/MVMCoreUI/Atomic/Atoms/Views/Wheel.swift
@@ -11,7 +11,7 @@ import UIKit
 @objcMembers open class Wheel: View, MVMCoreUIViewConstrainingProtocol {
     
     var heightConstraint: NSLayoutConstraint?
-    var gradientLayer: CALayer?
+    weak var gradientLayer: CALayer?
     var graphModel: WheelModel? {
         return model as? WheelModel
     }
@@ -170,20 +170,9 @@ import UIKit
             rotation.timingFunction = CAMediaTimingFunction(name: .linear)
             rotation.fillMode = .both
             rotation.isRemovedOnCompletion = false
+            rotation.repeatCount = Float.greatestFiniteMagnitude
             
-            //avoid infinity animation take high CPU momery usage when layer is not displayed
-            rotation.delegate = self
-            rotation.repeatCount = 1
             self.gradientLayer?.add(rotation, forKey: "rotation")
         })
     }
 }
-
-
-extension Wheel: CAAnimationDelegate {
-    public func animationDidStop(_ anim: CAAnimation, finished flag: Bool) {
-        if let object = graphModel {
-            rotationAnimation(object)
-        }
-    }
-}