UICollectionViewCell with swipe support

SwipeableCell.swift

import UIKit

class SwipeableCell: UICollectionViewCell, UIGestureRecognizerDelegate {

    var maxSwipeOffset = CGFloat(200)
    
    private var pan: UIPanGestureRecognizer!

    override init(frame: CGRect) {
        super.init(frame: frame)
        commonInit()
    }

    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        commonInit()
    }

    private func commonInit() {
        self.contentView.backgroundColor = UIColor.gray
        self.backgroundColor = UIColor.red
        pan = UIPanGestureRecognizer(target: self, action: #selector(onPan(_:)))
        pan.delegate = self
        self.addGestureRecognizer(pan)
    }

    @objc func onPan(_ pan: UIPanGestureRecognizer) {
        switch pan.state {
        case .began:
            beganSwipeGesture(pan)
        case .changed:
            changeSwipeGesture(pan)
        case .ended:
            endSwipeGesture(pan)
        default:
            return
        }
    }
    
    private func cancelGesture(_ gesture: UIPanGestureRecognizer) {
        gesture.isEnabled = false
        self.isUserInteractionEnabled = false
        self.isUserInteractionEnabled = true
        gesture.isEnabled = true
    }
    
    private func beganSwipeGesture(_ gesture: UIPanGestureRecognizer) {
        if contentView.frame.origin.x != 0 {
            UIView.animate(withDuration: 0.2) {
                self.contentView.frame.origin.x = 0
            }
            cancelGesture(gesture)
        } else {
            let translation = pan.translation(in: self)
            if translation.x > 0 {
                cancelGesture(gesture)
            }
        }
    }
    
    private func endSwipeGesture(_ gesture: UIPanGestureRecognizer) {
        
        if self.contentView.frame.origin.x >=  -self.maxSwipeOffset / 2 {
            UIView.animate(withDuration: 0.2) {
                self.contentView.frame.origin.x = 0
            }
        } else {
            UIView.animate(withDuration: 0.2) {
                self.contentView.frame.origin.x = -self.maxSwipeOffset
            }
        }
    }
    
    
    
    private func changeSwipeGesture(_ gesture: UIPanGestureRecognizer) {
        let translation = pan.translation(in: self)
        
        if translation.x < 0 {
            if translation.x >= -maxSwipeOffset {
                self.contentView.frame.origin.x = translation.x
            }
        }
        
    }
    
    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
        return true
    }
    
}