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* added cachedBounds property for after stopping animation #3

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Merged
wowansm merged 1 commit into from
Oct 24, 2019
Merged

* added cachedBounds property for after stopping animation #3

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4 changes: 3 additions & 1 deletion Source/TransitionButton.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ public enum StopAnimationStyle {

private var cachedTitle: String?
private var cachedImage: UIImage?
private var cachedBounds: CGRect!

private let springGoEase:CAMediaTimingFunction = CAMediaTimingFunction(controlPoints: 0.45, -0.36, 0.44, 0.92)
private let shrinkCurve:CAMediaTimingFunction = CAMediaTimingFunction(name: .linear)
Expand Down Expand Up @@ -97,6 +98,7 @@ public enum StopAnimationStyle {
self.isUserInteractionEnabled = false // Disable the user interaction during the animation
self.cachedTitle = title(for: .normal) // cache title before animation of spiner
self.cachedImage = image(for: .normal) // cache image before animation of spiner
self.cachedBounds = bounds

self.setTitle("", for: .normal) // place an empty string as title to display a spiner
self.setImage(nil, for: .normal) // remove the image, if any, before displaying the spinner
Expand Down Expand Up @@ -175,7 +177,7 @@ public enum StopAnimationStyle {
private func animateToOriginalWidth(completion:(()->Void)?) {
let shrinkAnim = CABasicAnimation(keyPath: "bounds.size.width")
shrinkAnim.fromValue = (self.bounds.height)
shrinkAnim.toValue = (self.bounds.width)
shrinkAnim.toValue = self.cachedBounds.width
shrinkAnim.duration = shrinkDuration
shrinkAnim.timingFunction = shrinkCurve
shrinkAnim.fillMode = .forwards
Expand Down