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Improve tag transition animation

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This commit is contained in:
Isaac 2024-01-29 12:33:15 +01:00
parent 8479dd4a6e
commit fa17676a5a
1 changed files with 33 additions and 0 deletions
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33
submodules/Display/Source/ListView.swift
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@ -2691,6 +2691,13 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
)))
}
var previousHeaderNodeFrames: [(ListViewItemHeaderNode, CGRect)] = []
if animateFullTransition {
for (_, itemHeaderNode) in self.itemHeaderNodes {
previousHeaderNodeFrames.append((itemHeaderNode, itemHeaderNode.frame))
}
}
var takenPreviousNodes = Set<ListViewItemNode>()
for operation in operations {
if case let .InsertNode(_, _, _, node, _, _) = operation {
@ -3609,6 +3616,14 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
headerNodesTransition.0.animatePositionAdditive(node: topItemOverscrollBackground, offset: CGPoint(x: 0.0, y: -headerNodesTransition.2))
}
if animateFullTransition {
for (previousHeaderNode, previousFrame) in previousHeaderNodeFrames {
if previousHeaderNode.supernode === self {
previousHeaderNode.layer.animatePosition(from: CGPoint(x: 0.0, y: previousFrame.minY - previousHeaderNode.frame.minY), to: CGPoint(), duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
}
}
}
self.setNeedsAnimations()
self.updateVisibleContentOffset()
@ -3623,6 +3638,24 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
self.updateItemHeaders(leftInset: listInsets.left, rightInset: listInsets.right, synchronousLoad: synchronousLoads, transition: headerNodesTransition, animateInsertion: animated || !requestItemInsertionAnimationsIndices.isEmpty)
self.updateItemNodesVisibilities(onlyPositive: deferredUpdateVisible)
if animateFullTransition {
for (_, headerNode) in self.itemHeaderNodes {
var found = false
for (previousHeaderNode, previousFrame) in previousHeaderNodeFrames {
if previousHeaderNode === headerNode {
found = true
if previousHeaderNode.supernode === self {
previousHeaderNode.layer.animatePosition(from: CGPoint(x: 0.0, y: previousFrame.minY - previousHeaderNode.frame.minY), to: CGPoint(), duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
}
}
}
if !found {
headerNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1)
headerNode.layer.animateScale(from: 0.7, to: 1.0, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring)
}
}
}
if animated {
self.setNeedsAnimations()
}