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Add optional scrolling cancellation

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This commit is contained in:
Ali
2023-06-23 12:12:21 +03:00
parent 3f46aeac43
commit b8130348ab
2 changed files with 54 additions and 2 deletions
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7
submodules/Display/Source/ListView.swift
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@@ -256,6 +256,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
public final var updateFloatingHeaderOffset: ((CGFloat, ContainedViewLayoutTransition) -> Void)?
public final var didScrollWithOffset: ((CGFloat, ContainedViewLayoutTransition, ListViewItemNode?, Bool) -> Void)?
public final var addContentOffset: ((CGFloat, ListViewItemNode?) -> Void)?
public final var shouldStopScrolling: ((CGFloat) -> Bool)?
public final var updateScrollingIndicator: ((ScrollingIndicatorState?, ContainedViewLayoutTransition) -> Void)?
@@ -855,6 +856,12 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
}
}
public func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>) {
if let shouldStopScrolling = self.shouldStopScrolling, shouldStopScrolling(velocity.y) {
targetContentOffset.pointee.y = scrollView.contentOffset.y
}
}
public func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
self.isDragging = false
if decelerate {