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38aac9d019
* Reimplement IGListKit support in a cleaner way * Rename and fix some stuff * Fix supplementaries more * Update docs * Update test * Cleanup minor things * Tweak it * Indentation * Remove irrelevant changes * Break out cell into its own file * Fix indentation * Address feedback
41 lines
1.2 KiB
Objective-C
41 lines
1.2 KiB
Objective-C
//
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// ASSupplementaryNodeSource.h
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// AsyncDisplayKit
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//
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// Created by Adlai Holler on 1/19/17.
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// Copyright © 2017 Facebook. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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@protocol ASSupplementaryNodeSource <NSObject>
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/**
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* A method to provide the node for the item at the given index.
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*
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* @param elementKind The kind of supplementary element.
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* @param index The index of the item.
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* @return A node for the supplementary element.
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* @see collectionNode:nodeForSupplementaryElementOfKind:atIndexPath:
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*/
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- (ASCellNode *)nodeForSupplementaryElementOfKind:(NSString *)elementKind atIndex:(NSInteger)index;
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@optional
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/**
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* A method to provide the size range used for measuring the supplementary
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* element of the given kind at the given index.
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*
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* @param elementKind The kind of supplementary element.
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* @param index The index of the item.
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* @return A size range used for asynchronously measuring the node.
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* @see collectionNode:constrainedSizeForSupplementaryElementOfKind:atIndexPath:
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*/
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- (ASSizeRange)sizeRangeForSupplementaryElementOfKind:(NSString *)elementKind atIndex:(NSInteger)index;
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@end
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NS_ASSUME_NONNULL_END
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