mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-09-11 15:10:37 +00:00
59 lines
2.0 KiB
Objective-C
59 lines
2.0 KiB
Objective-C
//
|
|
// ASCollectionViewFlowLayoutInspector.h
|
|
// AsyncDisplayKit
|
|
//
|
|
// Copyright (c) 2014-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.
|
|
//
|
|
|
|
#pragma once
|
|
|
|
#import <Foundation/Foundation.h>
|
|
#import <AsyncDisplayKit/ASDimension.h>
|
|
|
|
@class ASCollectionView;
|
|
@protocol ASCollectionDelegate;
|
|
|
|
@protocol ASCollectionViewLayoutInspecting <NSObject>
|
|
|
|
/**
|
|
* Provides the size range needed to measure the collection view's item.
|
|
*/
|
|
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath;
|
|
|
|
/**
|
|
* Asks the inspector to provide a constrained size range for the given supplementary node.
|
|
*/
|
|
- (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 numberOfSectionsForSupplementaryNodeOfKind:(NSString *)kind;
|
|
|
|
/**
|
|
* Asks the inspector for the number of supplementary views for the given kind in the specified section.
|
|
*/
|
|
- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryNodesOfKind:(NSString *)kind inSection:(NSUInteger)section;
|
|
|
|
@optional
|
|
|
|
/**
|
|
* Allow the inspector to respond to delegate changes.
|
|
*
|
|
* @discussion A great time to update perform selector caches!
|
|
*/
|
|
- (void)didChangeCollectionViewDelegate:(id<ASCollectionDelegate>)delegate;
|
|
|
|
@end
|
|
|
|
@interface ASCollectionViewFlowLayoutInspector : NSObject <ASCollectionViewLayoutInspecting>
|
|
|
|
@property (nonatomic, weak) UICollectionViewFlowLayout *layout;
|
|
|
|
- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView flowLayout:(UICollectionViewFlowLayout *)flowLayout;
|
|
|
|
@end
|