signalapp/Signal-iOS
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Respond to CR.

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This commit is contained in:
Matthew Chen 2019-04-26 12:19:14 -04:00
parent 48df37519f
commit 6e38c29cd7
1 changed files with 4 additions and 5 deletions
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9
SignalMessaging/ViewControllers/Stickers/LinearHorizontalLayout.swift
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@ -12,7 +12,7 @@ class LinearHorizontalLayout: UICollectionViewLayout {
private let inset: CGFloat
private let spacing: CGFloat
private var itemAttributesMap = [UInt: UICollectionViewLayoutAttributes]()
private var itemAttributesMap = [UICollectionViewLayoutAttributes]()
private var contentSize = CGSize.zero
@ -73,7 +73,7 @@ class LinearHorizontalLayout: UICollectionViewLayout {
let indexPath = NSIndexPath(row: row, section: 0)
let itemAttributes = UICollectionViewLayoutAttributes(forCellWith: indexPath as IndexPath)
itemAttributes.frame = itemFrame
itemAttributesMap[UInt(row)] = itemAttributes
itemAttributesMap.append(itemAttributes)
}
contentSize = CGSize(width: hInset * 2 + CGFloat(itemCount) * itemSize.width + CGFloat(itemCount - 1) * spacing,
@ -81,14 +81,13 @@ class LinearHorizontalLayout: UICollectionViewLayout {
}
override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
return itemAttributesMap.values.filter { itemAttributes in
return itemAttributesMap.filter { itemAttributes in
return itemAttributes.frame.intersects(rect)
}
}
override func layoutAttributesForItem(at indexPath: IndexPath) -> UICollectionViewLayoutAttributes? {
let result = itemAttributesMap[UInt(indexPath.row)]
return result
return itemAttributesMap[safe: indexPath.row]
}
override var collectionViewContentSize: CGSize {