Swiftgram/Source/ASSupplementaryNodeSource.h
Peter a085123ec1 Merge commit '565da7d4935740d12fc204aa061faf093831da1e'
# Conflicts:
#	AsyncDisplayKit.xcodeproj/project.pbxproj
#	AsyncDisplayKit.xcodeproj/xcshareddata/xcschemes/AsyncDisplayKit.xcscheme
#	Source/ASDisplayNode.mm
#	Source/ASEditableTextNode.h
#	Source/ASImageNode.mm
#	Source/ASMapNode.h
#	Source/ASMapNode.mm
#	Source/Base/ASAssert.m
#	Source/Details/ASPhotosFrameworkImageRequest.h
#	Source/Details/ASPhotosFrameworkImageRequest.m
#	Source/Layout/ASLayoutElement.mm
2018-10-08 22:42:45 +03:00

48 lines
1.4 KiB
Objective-C

//
// ASSupplementaryNodeSource.h
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#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