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Implement node-backing for ASTableView and ASCollectionView, with a strong back-pointer in these cases.

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Scott Goodson
2015-12-26 23:04:16 -08:00
parent 02ab9e230f
commit 44feece701
12 changed files with 124 additions and 62 deletions
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12
AsyncDisplayKit/ASCollectionView.h
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@@ -22,10 +22,16 @@
NS_ASSUME_NONNULL_BEGIN
/**
* Node-based collection view.
* Asynchronous UICollectionView with Intelligent Preloading capabilities.
*
* ASCollectionView is a version of UICollectionView that uses nodes -- specifically, ASCellNode subclasses -- with asynchronous
* pre-rendering instead of synchronously loading UICollectionViewCells.
* ASCollectionNode is recommended over ASCollectionView. This class exists for adoption convenience.
*
* ASCollectionView is a true subclass of UICollectionView, meaning it is pointer-compatible
* with code that currently uses UICollectionView.
*
* The main difference is that asyncDataSource expects -nodeForItemAtIndexPath, an ASCellNode, and
* the sizeForItemAtIndexPath: method is eliminated (as are the performance problems caused by it).
* This is made possible because ASCellNodes can calculate their own size, and preload ahead of time.
*/
@interface ASCollectionView : UICollectionView