Added custom show/hide gestures

1Weather/UI/View controllers/Today/TodayViewController.swift

@@ -73,7 +73,15 @@ class TodayViewController: UIViewController {
     }
     
     @objc private func handleNotificationButton() {
-        self.coordinator.openNotificationsScreen()
+        #if DEBUG
+        if #available(iOS 14, *) {
+            let promo = WidgetPromotionController(coordinator: WidgetPromotionCoordinator(parentViewController: self))
+            present(promo, animated: true)
+        }
+        #else
+        fatalError("Remove in release")
+        #endif
+//        self.coordinator.openNotificationsScreen()
     }
 }
 

1Weather/UI/View controllers/WidgetPromotion/Animators/PromotionPresentationAnimator.swift

@@ -26,7 +26,7 @@ class PromotionPresentationAnimator: NSObject, UIViewControllerAnimatedTransitio
                                             height: contentHeight)
         container.addSubview(toViewController.view)
         UIView.animate(withDuration: transitionDuration(using: transitionContext)) {
-            toViewController.view.frame.origin.y = container.frame.height - contentHeight
+            toViewController.view.frame.origin.y = container.bounds.height * 0.46
         } completion: { finished in
             transitionContext.completeTransition(finished)
         }

1Weather/UI/View controllers/WidgetPromotion/WidgetPromotionController.swift

@@ -20,12 +20,8 @@ class WidgetPromotionController: UIViewController {
     private let stackView = UIStackView()
     private let footerView = UIView()
     private let learnButton = UIButton()
-    private var initialTouchPoint = CGPoint(x: 0,y: 0)
-    private lazy var panGesture: UIPanGestureRecognizer = {
-        let gesture = UIPanGestureRecognizer(target: self, action: #selector(handlePanGesture(sender:)))
-        gesture.delegate = self
-        return gesture
-    }()
+    private let fullView: CGFloat = UIScreen.main.bounds.height - UIScreen.main.bounds.height * 0.9
+    private let partialView: CGFloat = UIScreen.main.bounds.height * 0.46
     
     //Public
     var controllerContentHeight: CGFloat {
@@ -99,26 +95,32 @@ class WidgetPromotionController: UIViewController {
         }
     }
     
-    @objc private func handlePanGesture(sender: UIPanGestureRecognizer) {
-        let touchPoint = sender.location(in: self.view?.window)
-        let originalOffsetY = UIScreen.main.bounds.height - self.view.bounds.height
-
-        switch sender.state {
-        case .began:
-            initialTouchPoint = touchPoint
+    @objc private func handlePanGesture(recognizer: UIPanGestureRecognizer) {
+        let translation = recognizer.translation(in: self.view)
+        let velocity = recognizer.velocity(in: self.view)
+        let y = self.view.frame.minY
+        
+        switch recognizer.state {
         case .changed:
-            if touchPoint.y - initialTouchPoint.y > 0 {
-                view.frame.origin.y = originalOffsetY + (touchPoint.y - initialTouchPoint.y)
+            self.view.frame = CGRect(x: 0, y: y + translation.y, width: view.frame.width, height: view.frame.height)
+            recognizer.setTranslation(CGPoint.zero, in: self.view)
+        case .ended:
+            var duration =  velocity.y < 0 ? Double((y - fullView) / -velocity.y) : Double((partialView - y) / velocity.y )
+            
+            duration = duration > 0.3 ? 0.3 : duration
+            
+            if velocity.y >= 0 {
+                self.dismiss(animated: true)
             }
-        case .cancelled, .ended:
-            if touchPoint.y - initialTouchPoint.y > 80 {
-                close()
-            } else {
-                UIView.animate(withDuration: 0.25, animations: {
-                    self.view.frame.origin.y = originalOffsetY
-                })
+            else {
+                UIView.animate(withDuration: duration) {
+                    self.view.frame = CGRect(x: 0, y: self.fullView, width: self.view.frame.width, height: self.view.frame.height)
+                } completion: {[weak self] _ in
+                    if ( velocity.y < 0 ) {
+                        self?.scrollView.isScrollEnabled = true
+                    }
+                }
             }
-            break
         default:
             break
         }
@@ -141,7 +143,9 @@ class WidgetPromotionController: UIViewController {
 @available(iOS 14, *)
 private extension WidgetPromotionController {
     func prepareView() {
-//        view.addGestureRecognizer(panGesture)
+        let gesture = UIPanGestureRecognizer(target: self, action: #selector(handlePanGesture(recognizer:)))
+        gesture.delegate = self
+        view.addGestureRecognizer(gesture)
         
         view.clipsToBounds = true
         view.layer.cornerRadius = 24
@@ -260,11 +264,6 @@ extension WidgetPromotionController: UIScrollViewDelegate {
         if scrollView.contentOffset.y == scrollView.contentSize.height - scrollView.frame.height {
             AppAnalytics.shared.log(event: .ANALYTICS_WIDGET_BOTTOM_SCROLLED)
         }
-//        if scrollView.contentOffset.y < 0 {
-//            let originalOffsetY = UIScreen.main.bounds.height - self.view.bounds.height
-//            view.frame.origin.y = originalOffsetY - (scrollView.contentOffset.y - initialTouchPoint.y)
-//            return
-//        }
     }
 }
 
@@ -272,27 +271,17 @@ extension WidgetPromotionController: UIScrollViewDelegate {
 //MARK:- UIGesture Delegate
 @available(iOS 14, *)
 extension WidgetPromotionController: UIGestureRecognizerDelegate {
-//    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
-//        if scrollView.contentOffset.y > 0 {
-//            return false
-//        }
-//
-//        scrollView.contentOffset.y = 0
-//        return true
-//    }
-    
-//    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer,
-//             shouldBeRequiredToFailBy otherGestureRecognizer: UIGestureRecognizer) -> Bool {
-//       // Do not begin the pan until the swipe fails.
-//        if otherGestureRecognizer != self.panGesture {
-//            print("ScrollView Offset \(scrollView.contentOffset.y)")
-//            if scrollView.contentOffset.y >= 0 {
-//                return false
-//            }
-//
-//          return true
-//       }
-//
-//       return false
-//    }
+    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
+        let gesture = (gestureRecognizer as! UIPanGestureRecognizer)
+        let direction = gesture.velocity(in: view).y
+        
+        let y = view.frame.minY
+        if (y == fullView && scrollView.contentOffset.y == 0 && direction > 0) || (y == partialView) {
+            scrollView.isScrollEnabled = false
+        } else {
+            scrollView.isScrollEnabled = true
+        }
+        
+        return false
+    }
 }