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Handle initial sizing delegate implementation in flow layout inspector

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This commit is contained in:
Levi McCallum
2015-10-06 09:26:23 -07:00
parent 34f3065825
commit 8efca60bac
3 changed files with 42 additions and 14 deletions
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26
AsyncDisplayKit/Details/ASCollectionViewFlowLayoutInspector.m
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@@ -19,11 +19,25 @@
#pragma mark - Accessors
- (void)setLayout:(UICollectionViewFlowLayout *)layout
- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView flowLayout:(UICollectionViewFlowLayout *)flowLayout
{
_layout = layout;
_delegateImplementsReferenceSizeForHeader = [[self layoutDelegate] respondsToSelector:@selector(collectionView:layout:referenceSizeForHeaderInSection:)];
_delegateImplementsReferenceSizeForFooter = [[self layoutDelegate] respondsToSelector:@selector(collectionView:layout:referenceSizeForFooterInSection:)];
if (flowLayout == nil) {
return nil;
}
self = [super init];
if (self != nil) {
self.collectionView = collectionView;
_layout = flowLayout;
}
return self;
}
- (void)setCollectionView:(ASCollectionView *)collectionView
{
_collectionView = collectionView;
_delegateImplementsReferenceSizeForHeader = [[self layoutDelegate] respondsToSelector:@selector(collectionView:layout:referenceSizeForHeaderInSection:)];
_delegateImplementsReferenceSizeForFooter = [[self layoutDelegate] respondsToSelector:@selector(collectionView:layout:referenceSizeForFooterInSection:)];
}
#pragma mark - ASCollectionViewLayoutInspecting
@@ -94,9 +108,9 @@
}
}
- (id<UICollectionViewDelegateFlowLayout>)layoutDelegate
- (id<ASCollectionViewDelegateFlowLayout>)layoutDelegate
{
return (id<UICollectionViewDelegateFlowLayout>)self.collectionView.delegate;
return (id<ASCollectionViewDelegateFlowLayout>)_collectionView.asyncDelegate;
}
@end