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34 lines
1.2 KiB
Objective-C
34 lines
1.2 KiB
Objective-C
/* Copyright (c) 2015-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 "ASDataController.h"
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@interface ASDataController (Subclasses)
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/**
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* Queues the given operation until an `endUpdates` synchronize update is completed.
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*
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* If this method is called outside of a begin/endUpdates batch update, the block is
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* executed immediately.
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*/
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- (void)performEditCommandWithBlock:(void (^)(void))block;
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/**
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* Safely locks access to the data source and executes the given block, unlocking once complete.
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*
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* When `asyncDataFetching` is enabled, the block is executed on a background thread.
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*/
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- (void)accessDataSourceWithBlock:(dispatch_block_t)block;
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/**
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* Measure and layout the given nodes in optimized batches, constraining each to a given size.
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*/
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- (void)batchLayoutNodes:(NSArray *)nodes atIndexPaths:(NSArray *)indexPaths constrainedSize:(ASSizeRange (^)(NSIndexPath *indexPath))constraintedSizeBlock completion:(void (^)(NSArray *nodes, NSArray *indexPaths))completionBlock;
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@end
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