Swiftgram/AsyncDisplayKit/Details/ASCollectionViewFlowLayoutInspector.h

48 lines
1.9 KiB
Objective-C

/* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <Foundation/Foundation.h>
#import <AsyncDisplayKit/ASDimension.h>
@class ASCollectionView;
@protocol ASCollectionViewLayoutInspecting <NSObject>
/**
* Asks the inspector
*/
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath;
/**
* Asks the inspector for the number of supplementary sections in the collection view for the given kind.
*/
- (NSUInteger)collectionView:(ASCollectionView *)collectionView numberOfSectionsForSupplementaryKind:(NSString *)kind;
/**
* Asks the inspector for the number of supplementary views for the given kind in the specified section.
*/
- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryViewsOfKind:(NSString *)kind inSection:(NSUInteger)section;
@end
@interface ASCollectionViewFlowLayoutInspector : NSObject <ASCollectionViewLayoutInspecting>
@property (nonatomic, weak) UICollectionViewFlowLayout *layout;
@property (nonatomic, weak) ASCollectionView *collectionView;
- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView flowLayout:(UICollectionViewFlowLayout *)flowLayout;
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath;
- (NSUInteger)collectionView:(ASCollectionView *)collectionView numberOfSectionsForSupplementaryKind:(NSString *)kind;
- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryViewsOfKind:(NSString *)kind inSection:(NSUInteger)section;
@end