LONDON-IOS/GME Remit/Utilities/CustomUI/ShadowView.swift

//
//  ShadowView.swift
//  GME Remit
//
//  Created by InKwon James Kim on 28/08/2019.
//  Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class ShadowView: UIView {
  private var shadowLayer: CAShapeLayer!
  private var cornerRadius: CGFloat = 5.0
  
  @IBInspectable
  private var shadowBackground: UIColor = .themeMainBackground
  
  override func layoutSubviews() {
    super.layoutSubviews()
    
    if shadowLayer == nil {
      shadowLayer = CAShapeLayer()
    } else {
      shadowLayer.removeFromSuperlayer()
    }
    
    shadowLayer.path = UIBezierPath(roundedRect: bounds, cornerRadius: cornerRadius).cgPath
    shadowLayer.fillColor = shadowBackground.cgColor
    
    shadowLayer.shadowColor = UIColor.black.cgColor
    shadowLayer.shadowPath = shadowLayer.path
    shadowLayer.shadowOffset = CGSize(width: 0.0, height: 0.5)
    shadowLayer.shadowOpacity = 0.5
    shadowLayer.shadowRadius = 1
    
    layer.insertSublayer(shadowLayer, at: 0)
  }
}