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Improve Our Handling of Flow Layout Headers/Footers (#2939)

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* Rejigger our flow layout supplementary support to make more sense.

* Support old protocol

* Update

* Update deprecation message

* Undeprecate insetForSection method, because it actually _does_ still work

* Update the tests

* Remove irrelevant junk

* Remove cast, add pragma
This commit is contained in:
Adlai Holler
2017-01-27 15:58:43 -08:00
committed by GitHub
parent 7d68ce33bb
commit 295ed22c23
13 changed files with 156 additions and 108 deletions
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14
AsyncDisplayKit/ASCollectionView.mm
View File

@@ -138,7 +138,7 @@ static NSString * const kReuseIdentifier = @"_ASCollectionReuseIdentifier";
#pragma mark -
#pragma mark ASCollectionView.
@interface ASCollectionView () <ASRangeControllerDataSource, ASRangeControllerDelegate, ASCollectionDataControllerSource, ASCellNodeInteractionDelegate, ASDelegateProxyInterceptor, ASBatchFetchingScrollView, ASDataControllerEnvironmentDelegate, ASCALayerExtendedDelegate> {
@interface ASCollectionView () <ASRangeControllerDataSource, ASRangeControllerDelegate, ASCollectionDataControllerSource, ASCellNodeInteractionDelegate, ASDelegateProxyInterceptor, ASBatchFetchingScrollView, ASDataControllerEnvironmentDelegate, ASCALayerExtendedDelegate, UICollectionViewDelegateFlowLayout> {
ASCollectionViewProxy *_proxyDataSource;
ASCollectionViewProxy *_proxyDelegate;
@@ -927,6 +927,16 @@ static NSString * const kReuseIdentifier = @"_ASCollectionReuseIdentifier";
return [[self nodeForItemAtIndexPath:indexPath] calculatedSize];
}
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
{
return [self supplementaryNodeForElementKind:UICollectionElementKindSectionHeader atIndexPath:[NSIndexPath indexPathForItem:0 inSection:section]].calculatedSize;
}
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section
{
return [self supplementaryNodeForElementKind:UICollectionElementKindSectionFooter atIndexPath:[NSIndexPath indexPathForItem:0 inSection:section]].calculatedSize;
}
- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
UICollectionReusableView *view = [self dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:kReuseIdentifier forIndexPath:indexPath];
@@ -936,8 +946,6 @@ static NSString * const kReuseIdentifier = @"_ASCollectionReuseIdentifier";
return view;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
_ASCollectionViewCell *cell = [self dequeueReusableCellWithReuseIdentifier:kReuseIdentifier forIndexPath:indexPath];