gistfile1.swift

//
//  SLRMenuButtonView.swift
//  StreamLayer iOS
//
//  Created by Alexander Kremenets on 12/12/2018.
//  Copyright © 2018 StreamLayer, Inc. All rights reserved.
//

import Foundation
import UIKit

class SLRMenuButtonView: UIView {
  init(tappableImage: SLRImageView) {
    self.tappableImage = tappableImage
    super.init(frame: tappableImage.frame)

    loadSubviews()
    initAnimators()
    activateAnimations()
  }

  // MARK: Subviews
  public var tappableImage: SLRImageView! = nil
  private let tooltipButtonBackgroundEffect: UIView = {
    let tooltipButtonBackgroundEffect = UIView()

    tooltipButtonBackgroundEffect.backgroundColor = UIColor.red
    tooltipButtonBackgroundEffect.borderColor = UIColor.white
    tooltipButtonBackgroundEffect.clipsToBounds = true
    tooltipButtonBackgroundEffect.layer.cornerRadius = 5

    return tooltipButtonBackgroundEffect
  }()

  private var scaleChange1: UIViewPropertyAnimator! = nil
  private var scaleChange2: UIViewPropertyAnimator! = nil

  private func activateAnimations() {
    self.scaleChange1.startAnimation()
//    UIView.animate(withDuration: 1, delay: 0.25, options: UIView.AnimationOptions.curveEaseOut, animations: {
//      self.tooltipButtonBackgroundEffect.backgroundColor = .orange
//      self.tooltipButtonBackgroundEffect.transform = CGAffineTransform(scaleX: 1.25, y: 1.25)
//
//    }, completion: nil)
  }

  private func initAnimators() {
    self.scaleChange1 = UIViewPropertyAnimator(
      duration: 1.5,
      curve: .easeIn,
      animations: { [weak self] in
      self?.tooltipButtonBackgroundEffect.transform = CGAffineTransform(scaleX: 1.25, y: 1.25)
      })

//    scaleChange1.pausesOnCompletion = false
    scaleChange1.addCompletion({_ in
      self.scaleChange1.fractionComplete = 0.5
//      self.scaleChange1.startAnimation()
    })
  }

  private func loadSubviews() {
    tooltipButtonBackgroundEffect.frame = self.bounds
    self.addSubview(tooltipButtonBackgroundEffect)

    self.addSubview(tappableImage)
  }

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