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import pop
import UIKit
import CocoaLumberjack
typealias Completion = (Bool) -> Void
let DEFAULT_ANIMATION_DURATION = 0.5
let ANIMATION_PULSE_KEY = "pulse"
let ANIMATION_FRAME_KEY = "frame"
let ANIMATION_COLOR_KEY = "color"
class AnimationDelegate: NSObject, CAAnimationDelegate {
var completion: Completion?
func animationDidStop(_ anim: CAAnimation, finished flag: Bool) {
//if completion
completion?(flag)
}
}
class Animator: NSObject, CAAnimationDelegate {
var animationDuration: Double = 0.0
private var animationCompletions: [AnimationDelegate] = []
override init() {
super.init()
self.animationCompletions = []
animationDuration = DEFAULT_ANIMATION_DURATION
}
deinit {
DDLogDebug("Animator dealloc")
}
@objc func clean() {
animationCompletions.removeAll()
UIApplication.shared.keyWindow?.pop_removeAllAnimations()
UIApplication.shared.keyWindow?.layer.pop_removeAllAnimations()
UIApplication.shared.keyWindow?.layer.removeAllAnimations()
}
func startPulseAnimation(_ view: UIView?) {
let anim = POPSpringAnimation(propertyNamed: kPOPViewScaleXY)
anim?.toValue = CGPoint(x: 1.1, y: 1.1)
anim?.fromValue = CGPoint(x: 0.9, y: 0.9)
anim?.repeatForever = true
anim?.autoreverses = true
view?.pop_add(anim, forKey: ANIMATION_PULSE_KEY)
}
func stopPulseAnimation(_ view: UIView?) {
view?.pop_removeAnimation(forKey: ANIMATION_PULSE_KEY)
}
func animate(_ view: UIView?, toFrame frame: CGRect) {
animate(view, toFrame: frame) { (bool) in
}
}
func animate(_ view: UIView?, toFrame frame: CGRect, completion: @escaping Completion) {
guard var viewFrame = view?.frame else { return }
if frame.equalTo(viewFrame) {
//if completion
DispatchQueue.main.async(execute: {
completion(false)
})
return
}
let anim = POPSpringAnimation(propertyNamed: kPOPViewFrame)
anim?.toValue = frame
anim?.fromValue = viewFrame
anim?.completionBlock = { anim, finished in
viewFrame = frame
//if completion
completion(finished)
}
view?.pop_add(anim, forKey: ANIMATION_FRAME_KEY)
}
@objc func animate(_ view: UIView?, toFade fade: Bool) {
animate(view, toFade: fade) { (bool) in
}
}
func animate(_ view: UIView?, toFade fade: Bool, completion: @escaping Completion) {
let newOpacity: CGFloat = fade ? 0 : 1
if CGFloat(view?.layer.opacity ?? 0.0) == newOpacity {
//if completion
DispatchQueue.main.async(execute: {
completion(false)
})
return
}
view?.layer.opacity = Float(newOpacity)
var key: String? = nil
if let aView = view {
key = "FADE-\(aView)"
}
view?.layer.removeAnimation(forKey: key ?? "")
let transition = CATransition()
transition.duration = animationDuration
transition.type = .fade
let ad = AnimationDelegate()
weak var blockAd: AnimationDelegate? = ad
weak var blockSelf: Animator? = self
ad.completion = { f in
//if completion
completion(f)
blockSelf?.animationCompletions.removeAll(where: { $0 == blockAd })
}
transition.delegate = ad
animationCompletions.append(ad)
view?.layer.add(transition, forKey: key)
}
func animate(_ view: UIView?, to color: UIColor?) {
if view?.backgroundColor == color {
return
}
let anim = POPSpringAnimation(propertyNamed: kPOPViewBackgroundColor)
anim?.toValue = color
anim?.fromValue = view?.backgroundColor
anim?.completionBlock = { anim, finished in
view?.backgroundColor = color
}
view?.pop_add(anim, forKey: ANIMATION_COLOR_KEY)
}
}