mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-15 13:28:18 +00:00
000bc36919
Summary: Relicensing IGListKit under MIT Reviewed By: calimarkus Differential Revision: D7764125 fbshipit-source-id: 6c773195ef3184202725fe7f08de754f979cb83f
85 lines
2 KiB
Objective-C
85 lines
2 KiB
Objective-C
/**
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* Copyright (c) 2016-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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#import <IGListKit/IGListMoveIndex.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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A result object returned when diffing with indexes.
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*/
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NS_SWIFT_NAME(ListIndexSetResult)
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@interface IGListIndexSetResult : NSObject
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/**
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The indexes inserted into the new collection.
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*/
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@property (nonatomic, strong, readonly) NSIndexSet *inserts;
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/**
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The indexes deleted from the old collection.
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*/
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@property (nonatomic, strong, readonly) NSIndexSet *deletes;
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/**
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The indexes in the old collection that need updated.
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*/
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@property (nonatomic, strong, readonly) NSIndexSet *updates;
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/**
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The moves from an index in the old collection to an index in the new collection.
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*/
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@property (nonatomic, copy, readonly) NSArray<IGListMoveIndex *> *moves;
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/**
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A Read-only boolean that indicates whether the result has any changes or not.
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`YES` if the result has changes, `NO` otherwise.
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*/
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@property (nonatomic, assign, readonly) BOOL hasChanges;
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/**
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Returns the index of the object with the specified identifier *before* the diff.
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@param identifier The diff identifier of the object.
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@return The index of the object before the diff, or `NSNotFound`.
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@see `-[IGListDiffable diffIdentifier]`.
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*/
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- (NSInteger)oldIndexForIdentifier:(id<NSObject>)identifier;
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/**
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Returns the index of the object with the specified identifier *after* the diff.
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@param identifier The diff identifier of the object.
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@return The index path of the object after the diff, or `NSNotFound`.
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@see `-[IGListDiffable diffIdentifier]`.
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*/
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- (NSInteger)newIndexForIdentifier:(id<NSObject>)identifier;
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/**
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Creates a new result object with operations safe for use in `UITableView` and `UICollectionView` batch updates.
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*/
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- (IGListIndexSetResult *)resultForBatchUpdates;
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/**
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:nodoc:
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*/
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- (instancetype)init NS_UNAVAILABLE;
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/**
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:nodoc:
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*/
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+ (instancetype)new NS_UNAVAILABLE;
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@end
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NS_ASSUME_NONNULL_END
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