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Improve Voice Over explore

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This commit is contained in:
Ilya Laktyushin 2021-02-12 21:34:38 +04:00
parent 0ac2026d5a
commit 982c5dab1f
1 changed files with 15 additions and 3 deletions
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18
submodules/Display/Source/ListView.swift
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@ -4038,11 +4038,23 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
} else { } else {
if node.frame.minY < self.insets.top { if node.frame.minY < self.insets.top {
if !allowIntersection || node.frame.maxY < self.insets.top { if !allowIntersection || node.frame.maxY < self.insets.top {
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: ListViewDeleteAndInsertOptions(), scrollToItem: ListViewScrollToItem(index: index, position: ListViewScrollPosition.top(overflow), animated: animated, curve: curve, directionHint: ListViewScrollToItemDirectionHint.Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in }) let position: ListViewScrollPosition
if allowIntersection {
position = .center(.top)
} else {
position = .top(overflow)
}
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: ListViewDeleteAndInsertOptions(), scrollToItem: ListViewScrollToItem(index: index, position: position, animated: animated, curve: curve, directionHint: ListViewScrollToItemDirectionHint.Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
} }
} else if node.frame.maxY > self.visibleSize.height - self.insets.bottom { } else if node.frame.maxY > self.visibleSize.height - self.insets.bottom {
if !allowIntersection || node.frame.minY > self.visibleSize.height - self.insets.bottom { if !allowIntersection || node.frame.minY > self.visibleSize.height - self.insets.bottom {
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: ListViewDeleteAndInsertOptions(), scrollToItem: ListViewScrollToItem(index: index, position: ListViewScrollPosition.bottom(-overflow), animated: animated, curve: curve, directionHint: ListViewScrollToItemDirectionHint.Down), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in }) let position: ListViewScrollPosition
if allowIntersection {
position = .center(.bottom)
} else {
position = .bottom(-overflow)
}
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: ListViewDeleteAndInsertOptions(), scrollToItem: ListViewScrollToItem(index: index, position: position, animated: animated, curve: curve, directionHint: ListViewScrollToItemDirectionHint.Down), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
} }
} }
} }
@ -4288,7 +4300,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
} }
override open func accessibilityScroll(_ direction: UIAccessibilityScrollDirection) -> Bool { override open func accessibilityScroll(_ direction: UIAccessibilityScrollDirection) -> Bool {
let distance = floor((self.visibleSize.height - self.insets.top - self.insets.bottom) / 2.0) let distance = floor((self.visibleSize.height - self.insets.top - self.insets.bottom))
let scrollDirection: ListViewScrollDirection let scrollDirection: ListViewScrollDirection
switch direction { switch direction {
case .down: case .down: