From d56cd14dd91cee89649fc67289bbe5615321f666 Mon Sep 17 00:00:00 2001
From: Dominic Go <18517029+dominicstop@users.noreply.github.com>
Date: Wed, 31 May 2023 08:30:02 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=92=AB=20Update:=20Exp=20-=20`AdaptiveMod?=
 =?UTF-8?q?al`?=
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Undo previous commit.
---
 .../AdaptiveModal/AdaptiveModalManager.swift  | 46 +++++--------------
 1 file changed, 12 insertions(+), 34 deletions(-)

diff --git a/experiments/swift-programmatic-modal/AdaptiveModal/AdaptiveModalManager.swift b/experiments/swift-programmatic-modal/AdaptiveModal/AdaptiveModalManager.swift
index ff2ada7e..9aa3cb11 100644
--- a/experiments/swift-programmatic-modal/AdaptiveModal/AdaptiveModalManager.swift
+++ b/experiments/swift-programmatic-modal/AdaptiveModal/AdaptiveModalManager.swift
@@ -26,8 +26,6 @@ class AdaptiveModalManager {
   weak var targetView: UIView?;
   weak var modalView: UIView?;
   
-  var modalMaskView: UIView?;
-  
   var gestureOffset: CGFloat?;
   var gestureVelocity: CGPoint?;
   var gestureInitialPoint: CGPoint?;
@@ -50,13 +48,11 @@ class AdaptiveModalManager {
   var modalFrame: CGRect? {
     set {
       guard let modalView = self.modalView,
-            let modalMaskView = self.modalMaskView,
             let newValue = newValue
       else { return };
       
       self.prevModalFrame = modalView.frame;
       modalView.frame = newValue;
-      modalMaskView.frame = newValue;
     }
     get {
       self.modalView?.frame;
@@ -163,12 +159,6 @@ class AdaptiveModalManager {
     self.modalView = modalView;
     self.targetView = targetView;
     self.currentSizeProvider = currentSizeProvider;
-    
-    let modalMaskView = UIView(frame: modalView.frame);
-    modalMaskView.backgroundColor = .blue;
-    modalView.mask = modalMaskView;
-    
-    self.modalMaskView = modalMaskView;
   };
   
 
@@ -306,7 +296,6 @@ class AdaptiveModalManager {
   
   func interpolateModal(forGesturePoint gesturePoint: CGPoint){
     guard let modalView = self.modalView,
-          let modalMaskView = self.modalMaskView,
           let gestureInitialPoint = self.gestureInitialPoint
     else { return };
     
@@ -336,9 +325,9 @@ class AdaptiveModalManager {
     
     if let modalBorderRadiusMask = self.interpolateModalBorderRadius(
       forInputValue: gestureInput,
-      modalBounds: modalMaskView.bounds
+      modalBounds: modalView.bounds
     ) {
-      modalMaskView.layer.mask = modalBorderRadiusMask;
+      modalView.layer.mask = modalBorderRadiusMask;
     };
   };
   
@@ -392,7 +381,6 @@ class AdaptiveModalManager {
     
     self.animator = animator;
     
-    
     animator.addAnimations {
       modalView.frame = interpolationPoint.computedRect;
     };
@@ -403,11 +391,8 @@ class AdaptiveModalManager {
     
     animator.addCompletion { _ in
       self.animator = nil;
-      // modalView.backgroundColor = .red;
-
     };
-    
-    //modalView.backgroundColor = .red;
+
     animator.startAnimation();
   };
   
@@ -535,10 +520,6 @@ class AdaptiveModalManager {
           let modalViewPresentationLayer = modalView.layer.presentation()
     else { return };
     
-    return;
-    
-    modalView.backgroundColor = .blue;
-    
     if self.isSwiping {
       self.endDisplayLink();
     };
@@ -549,21 +530,21 @@ class AdaptiveModalManager {
     let inputValueNext = nextModalFrame.origin[keyPath: self.inputAxisKey];
     let inputValuePrev = prevModalFrame.origin[keyPath: self.inputAxisKey];
     
-    //guard inputValueNext != inputValuePrev else { return  };
+    guard inputValueNext != inputValuePrev else { return  };
     self.prevModalFrame = nextModalFrame;
     
-    print(
-      "onDisplayLinkTick"
-      + "\n - displayLink.timestamp: \(displayLink.timestamp)"
-      + "\n - inputValueNext: \(inputValueNext)"
-    );
-    
     if let nextModalBorderRadiusMask = self.interpolateModalBorderRadius(
       forInputValue: inputValueNext,
       modalBounds: modalViewPresentationLayer.bounds
     ) {
       modalView.layer.mask = nextModalBorderRadiusMask;
     };
+
+    print(
+      "onDisplayLinkTick"
+      + "\n - displayLink.timestamp: \(displayLink.timestamp)"
+      + "\n - presentation frame: \(modalView.layer.presentation()?.frame)"
+    );
   };
   
   
@@ -589,17 +570,14 @@ class AdaptiveModalManager {
     self.gestureVelocity = gestureVelocity;
     
     switch gesture.state {
-      case .began, .cancelled:
+      case .began:
         self.gestureInitialPoint = gesturePoint;
-        
-        self.endDisplayLink();
         self.animator?.stopAnimation(true);
-        self.animator = nil;
     
       case .changed:
         self.interpolateModal(forGesturePoint: gesturePoint);
         
-      case .ended:
+      case .cancelled, .ended:
         guard self.enableSnapping else {
           self.clearGestureValues();
           return;