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Pass the cell node through in willDisplay: table/collection callbacks (#2282)

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This commit is contained in:
Adlai Holler
2016-09-23 19:50:53 -04:00
committed by GitHub
parent b18e1bc071
commit 4326fc90bf
4 changed files with 64 additions and 6 deletions
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13
AsyncDisplayKit/ASCollectionView.mm
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@@ -143,6 +143,7 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
unsigned int asyncDelegateScrollViewDidEndDragging:1;
unsigned int asyncDelegateScrollViewWillEndDraggingWithVelocityTargetContentOffset:1;
unsigned int asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPath:1;
unsigned int asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPathDeprecated:1;
unsigned int asyncDelegateCollectionViewDidEndDisplayingNodeForItemAtIndexPath:1;
unsigned int asyncDelegateCollectionViewDidEndDisplayingNodeForItemAtIndexPathDeprecated:1;
unsigned int asyncDelegateCollectionViewWillBeginBatchFetchWithContext:1;
@@ -385,7 +386,10 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
_asyncDelegateFlags.asyncDelegateScrollViewDidScroll = [_asyncDelegate respondsToSelector:@selector(scrollViewDidScroll:)];
_asyncDelegateFlags.asyncDelegateScrollViewWillEndDraggingWithVelocityTargetContentOffset = [_asyncDelegate respondsToSelector:@selector(scrollViewWillEndDragging:withVelocity:targetContentOffset:)];
_asyncDelegateFlags.asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPath = [_asyncDelegate respondsToSelector:@selector(collectionView:willDisplayNodeForItemAtIndexPath:)];
_asyncDelegateFlags.asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPath = [_asyncDelegate respondsToSelector:@selector(collectionView:willDisplayNode:forItemAtIndexPath:)];
if (_asyncDelegateFlags.asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPath == NO) {
_asyncDelegateFlags.asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPathDeprecated = [_asyncDelegate respondsToSelector:@selector(collectionView:willDisplayNodeForItemAtIndexPath:)];
}
_asyncDelegateFlags.asyncDelegateCollectionViewDidEndDisplayingNodeForItemAtIndexPathDeprecated = [_asyncDelegate respondsToSelector:@selector(collectionView:didEndDisplayingNodeForItemAtIndexPath:)];
_asyncDelegateFlags.asyncDelegateCollectionViewDidEndDisplayingNodeForItemAtIndexPath = [_asyncDelegate respondsToSelector:@selector(collectionView:didEndDisplayingNode:forItemAtIndexPath:)];
_asyncDelegateFlags.asyncDelegateCollectionViewWillBeginBatchFetchWithContext = [_asyncDelegate respondsToSelector:@selector(collectionView:willBeginBatchFetchWithContext:)];
@@ -675,9 +679,16 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
ASCellNode *cellNode = [cell node];
cellNode.scrollView = collectionView;
ASDisplayNodeAssertNotNil(cellNode, @"Expected node associated with cell that will be displayed not to be nil. indexPath: %@", indexPath);
if (_asyncDelegateFlags.asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPath) {
[_asyncDelegate collectionView:self willDisplayNode:cellNode forItemAtIndexPath:indexPath];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
} else if (_asyncDelegateFlags.asyncDelegateCollectionViewWillDisplayNodeForItemAtIndexPathDeprecated) {
[_asyncDelegate collectionView:self willDisplayNodeForItemAtIndexPath:indexPath];
}
#pragma clang diagnostic pop
[_rangeController setNeedsUpdate];