mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-14 12:58:34 +00:00
073fc073e0
Summary:
a415ef5552 exposed a bug in `UICollectionView` where its state gets corrupted when deleting the same index path more than once in a single batch update block. This resulted crashes like
```
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x4)
Closes https://github.com/Instagram/IGListKit/pull/657
Reviewed By: jessesquires
Differential Revision: D4913790
Pulled By: rnystrom
fbshipit-source-id: 8f6fcdd2e2438da309fc64ca0ac111b9a0980149
54 lines
1.3 KiB
Objective-C
54 lines
1.3 KiB
Objective-C
/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <Foundation/Foundation.h>
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#import <IGListKit/IGListMacros.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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An object with index path information for reloading an item during a batch update.
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*/
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IGLK_SUBCLASSING_RESTRICTED
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@interface IGListReloadIndexPath : NSObject
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/**
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The index path of the item before batch updates are applied.
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*/
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@property (nonatomic, strong, readonly) NSIndexPath *fromIndexPath;
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/**
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The index path of the item after batch updates are applied.
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*/
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@property (nonatomic, strong, readonly) NSIndexPath *toIndexPath;
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/**
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Creates a new reload object.
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@param fromIndexPath The index path of the item before batch updates.
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@param toIndexPath The index path of the item after batch updates.
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@return A new reload object.
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*/
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- (instancetype)initWithFromIndexPath:(NSIndexPath *)fromIndexPath
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toIndexPath:(NSIndexPath *)toIndexPath NS_DESIGNATED_INITIALIZER;
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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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