38 lines
1.1 KiB
Swift
38 lines
1.1 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import UIKit
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public extension UIScrollView {
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static let fastEndScrollingThen: ((UIScrollView, CGPoint?, @escaping () -> ()) -> ()) = { scrollView, currentTargetOffset, callback in
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let endOffset: CGPoint
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if let currentTargetOffset: CGPoint = currentTargetOffset {
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endOffset = currentTargetOffset
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}
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else {
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let currentVelocity: CGPoint = scrollView.panGestureRecognizer.velocity(in: scrollView)
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endOffset = CGPoint(
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x: scrollView.contentOffset.x,
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y: scrollView.contentOffset.y - (currentVelocity.y / 100)
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)
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}
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guard endOffset != scrollView.contentOffset else {
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return callback()
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}
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UIView.animate(
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withDuration: 0.1,
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delay: 0,
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options: .curveEaseOut,
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animations: {
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scrollView.setContentOffset(endOffset, animated: false)
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},
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completion: { _ in
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callback()
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}
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)
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}
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}
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