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Remove UICollectionViewLayoutAttributes cache.

This commit is contained in:
WenchaoD 2017-04-05 16:59:26 +08:00
parent 3a3a3282af
commit e5355a29db
1 changed files with 4 additions and 10 deletions
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14
Sources/FSPageViewLayout.swift
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@ -25,7 +25,7 @@ class FSPagerViewLayout: UICollectionViewLayout {
fileprivate var pagerView: FSPagerView? {
return self.collectionView?.superview?.superview as? FSPagerView
}
fileprivate var layoutAttributes: [IndexPath:FSPagerViewLayoutAttributes] = [:]
fileprivate var layoutAttributesQueue: [FSPagerViewLayoutAttributes] = []
fileprivate var isInfinite: Bool = true
fileprivate var collectionViewSize: CGSize = .zero
@ -60,7 +60,6 @@ class FSPagerViewLayout: UICollectionViewLayout {
self.needsReprepare = false
self.collectionViewSize = collectionView.frame.size
self.layoutAttributes.removeAll()
// Calculate basic parameters/variables
self.numberOfSections = pagerView.numberOfSections(in: collectionView)
@ -147,16 +146,11 @@ class FSPagerViewLayout: UICollectionViewLayout {
}
override open func layoutAttributesForItem(at indexPath: IndexPath) -> UICollectionViewLayoutAttributes? {
var attributes = self.layoutAttributes[indexPath]
if attributes == nil {
attributes = FSPagerViewLayoutAttributes(forCellWith: indexPath)
self.layoutAttributes[indexPath] = attributes
}
let attributes = FSPagerViewLayoutAttributes(forCellWith: indexPath)
let frame = self.frame(for: indexPath)
let center = CGPoint(x: frame.midX, y: frame.midY)
attributes!.center = center
attributes!.size = self.actualItemSize
self.layoutAttributes[indexPath] = attributes
attributes.center = center
attributes.size = self.actualItemSize
return attributes
}