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Ali
2022-11-16 01:43:02 +04:00
parent f2b0d699d9
commit 152fd01567
22 changed files with 631 additions and 175 deletions
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22
submodules/Display/Source/ListView.swift
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@@ -1144,6 +1144,8 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
if bottomItemFound {
bottomItemEdge = self.itemNodes[self.itemNodes.count - 1].apparentFrame.maxY
} else {
bottomItemEdge = self.visibleSize.height
}
if topItemFound && bottomItemFound {
@@ -1734,7 +1736,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
private func deleteAndInsertItemsTransaction(deleteIndices: [ListViewDeleteItem], insertIndicesAndItems: [ListViewInsertItem], updateIndicesAndItems: [ListViewUpdateItem], options: ListViewDeleteAndInsertOptions, scrollToItem: ListViewScrollToItem?, additionalScrollDistance: CGFloat, updateSizeAndInsets: ListViewUpdateSizeAndInsets?, stationaryItemRange: (Int, Int)?, updateOpaqueState: Any?, completion: @escaping () -> Void) {
if deleteIndices.isEmpty && insertIndicesAndItems.isEmpty && updateIndicesAndItems.isEmpty && scrollToItem == nil {
if let updateSizeAndInsets = updateSizeAndInsets, (self.items.count == 0 || (updateSizeAndInsets.size == self.visibleSize && updateSizeAndInsets.insets == self.insets)) {
if let updateSizeAndInsets = updateSizeAndInsets, (self.items.count == 0 || (updateSizeAndInsets.size == self.visibleSize && updateSizeAndInsets.insets == self.insets && !options.contains(.ForceUpdate))) {
self.visibleSize = updateSizeAndInsets.size
self.insets = updateSizeAndInsets.insets
self.headerInsets = updateSizeAndInsets.headerInsets ?? self.insets
@@ -1769,7 +1771,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
let widthUpdated: Bool
if let updateSizeAndInsets = updateSizeAndInsets {
widthUpdated = abs(state.visibleSize.width - updateSizeAndInsets.size.width) > CGFloat.ulpOfOne
widthUpdated = abs(state.visibleSize.width - updateSizeAndInsets.size.width) > CGFloat.ulpOfOne || options.contains(.ForceUpdate)
state.visibleSize = updateSizeAndInsets.size
state.insets = updateSizeAndInsets.insets
@@ -2820,7 +2822,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
case let .bottom(additionalOffset):
offset = (self.visibleSize.height - insets.bottom) - itemNode.apparentFrame.maxY + itemNode.scrollPositioningInsets.bottom + additionalOffset
case let .top(additionalOffset):
offset = insets.top - itemNode.apparentFrame.minY - itemNode.scrollPositioningInsets.top + additionalOffset
offset = (insets.top + additionalOffset + itemNode.scrollPositioningInsets.top) - itemNode.apparentFrame.minY
case let .center(overflow):
let contentAreaHeight = self.visibleSize.height - insets.bottom - insets.top
if itemNode.apparentFrame.size.height <= contentAreaHeight + CGFloat.ulpOfOne {
@@ -2912,7 +2914,11 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
} else if self.snapToBottomInsetUntilFirstInteraction {
offsetFix = -updateSizeAndInsets.insets.bottom + self.insets.bottom
} else {
offsetFix = updateSizeAndInsets.insets.top - self.insets.top
if let visualInsets = self.visualInsets, animated, (visualInsets.top == updateSizeAndInsets.insets.top || visualInsets.top == self.insets.top) {
offsetFix = 0.0
} else {
offsetFix = updateSizeAndInsets.insets.top - self.insets.top
}
}
offsetFix += additionalScrollDistance
@@ -4783,10 +4789,14 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
}
}
public func scrollToOffsetFromTop(_ offset: CGFloat) -> Bool {
public func scrollToOffsetFromTop(_ offset: CGFloat, animated: Bool) -> Bool {
for itemNode in self.itemNodes {
if itemNode.index == 0 {
self.scroller.setContentOffset(CGPoint(x: 0.0, y: offset), animated: true)
if animated {
self.scroller.setContentOffset(CGPoint(x: 0.0, y: offset), animated: animated)
} else {
self.scroller.contentOffset = CGPoint(x: 0.0, y: offset)
}
return true
}
}