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Fixes incorrectly centering screenshot thumbnail when there’s only one visible initially

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This commit is contained in:
Riley Testut
2023-10-20 17:13:28 -05:00
committed by Magesh K
parent c20ed78cec
commit 65562602af
1 changed files with 12 additions and 2 deletions
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14
AltStore/Components/AppCardCollectionViewCell.swift
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@@ -161,9 +161,19 @@ private extension AppCardCollectionViewCell
// Use .estimated(1) to ensure we don't over-estimate widths, which can cause incorrect layouts for the last group. // Use .estimated(1) to ensure we don't over-estimate widths, which can cause incorrect layouts for the last group.
let itemSize = NSCollectionLayoutSize(widthDimension: .estimated(1), heightDimension: .fractionalHeight(1.0)) let itemSize = NSCollectionLayoutSize(widthDimension: .estimated(1), heightDimension: .fractionalHeight(1.0))
let item = NSCollectionLayoutItem(layoutSize: itemSize) let item = NSCollectionLayoutItem(layoutSize: itemSize)
item.edgeSpacing = NSCollectionLayoutEdgeSpacing(leading: .flexible(0), top: nil, trailing: nil, bottom: nil)
if numberOfVisibleScreenshots == 1
{
// If there's only one screenshot visible initially, we'll (reluctantly) opt-in to flexible spacing on both sides.
// This ensures the items are always centered, but may result in larger spacings between items than we'd prefer.
item.edgeSpacing = NSCollectionLayoutEdgeSpacing(leading: .flexible(0), top: nil, trailing: .flexible(0), bottom: nil)
}
else
{
// Otherwise, only have flexible spacing on the leading edge, which will be balanced by trailingGroup's flexible trailing spacing.
item.edgeSpacing = NSCollectionLayoutEdgeSpacing(leading: .flexible(0), top: nil, trailing: nil, bottom: nil)
}
let groupItem = NSCollectionLayoutItem(layoutSize: itemSize) let groupItem = NSCollectionLayoutItem(layoutSize: itemSize)
let trailingGroup = NSCollectionLayoutGroup.horizontal(layoutSize: itemSize, subitems: [groupItem]) let trailingGroup = NSCollectionLayoutGroup.horizontal(layoutSize: itemSize, subitems: [groupItem])