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Shared media improvements

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This commit is contained in:
Ali
2021-10-28 12:45:08 +04:00
parent 04bcafaac7
commit d0a56bf7ca
3 changed files with 62 additions and 5 deletions
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51
submodules/SparseItemGrid/Sources/SparseItemGrid.swift
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@@ -719,6 +719,36 @@ public final class SparseItemGrid: ASDisplayNode {
self.scrollView.setContentOffset(CGPoint(x: 0.0, y: contentOffset), animated: false)
}
func ensureItemVisible(index: Int) {
guard let layout = self.layout, let _ = self.items else {
return
}
if layout.containerLayout.lockScrollingAtTop {
return
}
let itemFrame = layout.frame(at: index)
let visibleBounds = self.scrollView.bounds
if itemFrame.intersects(visibleBounds) {
return
}
var contentOffset: CGFloat
if itemFrame.midY >= visibleBounds.maxY {
contentOffset = itemFrame.maxY - self.scrollView.bounds.height + layout.containerLayout.insets.bottom
} else {
contentOffset = itemFrame.minY - layout.containerLayout.insets.top
}
if contentOffset > self.scrollView.contentSize.height - self.scrollView.bounds.height {
contentOffset = self.scrollView.contentSize.height - self.scrollView.bounds.height
}
if contentOffset < 0.0 {
contentOffset = 0.0
}
self.scrollView.setContentOffset(CGPoint(x: 0.0, y: contentOffset), animated: false)
}
func scrollToTop() -> Bool {
if self.scrollView.contentOffset.y > 0.0 {
self.scrollView.setContentOffset(CGPoint(), animated: true)
@@ -1569,6 +1599,13 @@ public final class SparseItemGrid: ASDisplayNode {
currentViewport.scrollToItem(at: index)
}
public func ensureItemVisible(index: Int) {
guard let currentViewport = self.currentViewport else {
return
}
currentViewport.ensureItemVisible(index: index)
}
public func scrollToTop() -> Bool {
guard let currentViewport = self.currentViewport else {
return false
@@ -1615,15 +1652,23 @@ public final class SparseItemGrid: ASDisplayNode {
}
}
private var brieflyDisabledTouchActions = false
public func brieflyDisableTouchActions() {
if self.brieflyDisabledTouchActions {
return
}
self.brieflyDisabledTouchActions = true
let tapEnabled = self.tapRecognizer?.isEnabled ?? true
self.tapRecognizer?.isEnabled = false
let pinchEnabled = self.pinchRecognizer?.isEnabled ?? true
self.pinchRecognizer?.isEnabled = false
DispatchQueue.main.async {
self.tapRecognizer?.isEnabled = tapEnabled
self.pinchRecognizer?.isEnabled = pinchEnabled
DispatchQueue.main.async { [weak self] in
self?.tapRecognizer?.isEnabled = tapEnabled
self?.pinchRecognizer?.isEnabled = pinchEnabled
self?.brieflyDisabledTouchActions = false
}
}