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[WIP] Trigger new batch fetch for collection view after layout transitions (#1697)

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[Table / Collection] Trigger new batch fetch after programmatic scrolls, or layout transitions.
This commit is contained in:
Nick Velloff
2016-06-22 16:21:10 -07:00
committed by appleguy
parent eb9e8167c3
commit a05d3119ad
4 changed files with 19 additions and 0 deletions
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6
AsyncDisplayKit/ASCollectionView.mm
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@@ -1002,6 +1002,7 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
- (NSArray *)visibleNodeIndexPathsForRangeController:(ASRangeController *)rangeController
{
ASDisplayNodeAssertMainThread();
// Calling visibleNodeIndexPathsForRangeController: will trigger UIKit to call reloadData if it never has, which can result
// in incorrect layout if performed at zero size. We can use the fact that nothing can be visible at zero size to return fast.
BOOL isZeroSized = CGRectEqualToRect(self.bounds, CGRectZero);
@@ -1065,6 +1066,11 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
_performingBatchUpdates = NO;
}
- (void)didCompleteUpdatesInRangeController:(ASRangeController *)rangeController
{
[self _checkForBatchFetching];
}
- (void)rangeController:(ASRangeController *)rangeController didInsertNodes:(NSArray *)nodes atIndexPaths:(NSArray *)indexPaths withAnimationOptions:(ASDataControllerAnimationOptions)animationOptions
{
ASDisplayNodeAssertMainThread();