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Fix item list scrolling for touches outside section blocks

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This commit is contained in:
Ilya Laktyushin 2020-07-27 18:26:36 +03:00
parent 2c52ee06de
commit 95b4d581cd
2 changed files with 67 additions and 49 deletions
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12
submodules/Display/Source/ListView.swift
View File

@ -184,6 +184,8 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
public final var keepMinimalScrollHeightWithTopInset: CGFloat?
public final var itemNodeHitTest: ((CGPoint) -> Bool)?
public final var stackFromBottom: Bool = false
public final var stackFromBottomInsetItemFactor: CGFloat = 0.0
public final var limitHitTestToNodes: Bool = false
@ -3876,8 +3878,14 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
}
self.touchesPosition = touchesPosition
self.selectionTouchLocation = touches.first!.location(in: self.view)
var processSelection = true
if let itemNodeHitTest = self.itemNodeHitTest, !itemNodeHitTest(touchesPosition) {
processSelection = false
}
if processSelection {
self.selectionTouchLocation = touches.first!.location(in: self.view)
self.selectionTouchDelayTimer?.invalidate()
self.selectionLongTapDelayTimer?.invalidate()
self.selectionLongTapDelayTimer = nil
@ -3936,7 +3944,7 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
}, selector: #selector(ListViewTimerProxy.timerEvent), userInfo: nil, repeats: false)
self.selectionTouchDelayTimer = timer
RunLoop.main.add(timer, forMode: RunLoop.Mode.common)
}
super.touchesBegan(touches, with: event)
self.updateScroller(transition: .immediate)

10
submodules/ItemListUI/Sources/ItemListControllerNode.swift
View File

@ -238,7 +238,9 @@ open class ItemListControllerNode: ASDisplayNode, UIScrollViewDelegate {
self.listNode = ListView()
self.leftOverlayNode = ASDisplayNode()
self.leftOverlayNode.isUserInteractionEnabled = false
self.rightOverlayNode = ASDisplayNode()
self.rightOverlayNode.isUserInteractionEnabled = false
super.init()
@ -303,6 +305,14 @@ open class ItemListControllerNode: ASDisplayNode, UIScrollViewDelegate {
}
}
self.listNode.itemNodeHitTest = { [weak self] point in
if let strongSelf = self {
return point.x > strongSelf.leftOverlayNode.frame.maxX && point.x < strongSelf.rightOverlayNode.frame.minX
} else {
return true
}
}
let previousState = Atomic<ItemListNodeState?>(value: nil)
self.transitionDisposable.set(((state
|> map { presentationData, stateAndArguments -> ItemListNodeTransition in