Swiftgram/Source/ASSupplementaryNodeSource.h
Peter baf94a7575 Merge commit '30ad10da3c34439d6c1c8f8e8f88539d875cf6bf'
# Conflicts:
#	AsyncDisplayKit.xcodeproj/project.pbxproj
#	Source/ASImageNode+AnimatedImage.mm
#	Source/ASImageNode.mm
#	Source/AsyncDisplayKit.modulemap
#	Source/Details/_ASCollectionViewCell.m
#	Source/asdkmodule.modulemap
#	Source/module.modulemap
2017-04-18 19:50:49 +03:00

47 lines
1.3 KiB
Objective-C

//
// ASSupplementaryNodeSource.h
// AsyncDisplayKit
//
// Created by Adlai Holler on 1/19/17.
// Copyright © 2017 Facebook. All rights reserved.
//
#ifndef MINIMAL_ASDK
#import <Foundation/Foundation.h>
#import <AsyncDisplayKit/ASBlockTypes.h>
#import <AsyncDisplayKit/ASDimension.h>
NS_ASSUME_NONNULL_BEGIN
@protocol ASSupplementaryNodeSource <NSObject>
/**
* A method to provide the node-block for the supplementary element.
*
* @param elementKind The kind of supplementary element.
* @param index The index of the item.
* @return A node block for the supplementary element.
* @see collectionNode:nodeForSupplementaryElementOfKind:atIndexPath:
*/
- (ASCellNodeBlock)nodeBlockForSupplementaryElementOfKind:(NSString *)elementKind atIndex:(NSInteger)index;
@optional
/**
* A method to provide the size range used for measuring the supplementary
* element of the given kind at the given index.
*
* @param elementKind The kind of supplementary element.
* @param index The index of the item.
* @return A size range used for asynchronously measuring the node.
* @see collectionNode:constrainedSizeForSupplementaryElementOfKind:atIndexPath:
*/
- (ASSizeRange)sizeRangeForSupplementaryElementOfKind:(NSString *)elementKind atIndex:(NSInteger)index;
@end
NS_ASSUME_NONNULL_END
#endif