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43 lines
1.5 KiB
Objective-C
43 lines
1.5 KiB
Objective-C
/* Copyright (c) 2014-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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#pragma once
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/**
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* This facilitator protocol is intended to help Layout to better
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* gel with the CollectionView
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*/
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@protocol ASCollectionViewLayoutFacilitatorProtocol <NSObject>
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/**
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* Inform that the collectionView is editing the cells at a list of indexPaths
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*
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* @param indexPaths an array of NSIndexPath objects of cells being/will be edited.
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* @param isBatched indicates whether the editing operation will be batched by the collectionView
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*
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* NOTE: when isBatched, used in combination with -collectionViewWillPerformBatchUpdates
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*/
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- (void)collectionViewWillEditCellsAtIndexPaths:(NSArray *)indexPaths batched:(BOOL)isBatched;
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/**
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* Inform that the collectionView is editing the sections at a set of indexes
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*
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* @param indexes an NSIndexSet of section indexes being/will be edited.
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* @param batched indicates whether the editing operation will be batched by the collectionView
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*
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* NOTE: when batched, used in combination with -collectionViewWillPerformBatchUpdates
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*/
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- (void)collectionViewWillEditSectionsAtIndexSet:(NSIndexSet *)indexes batched:(BOOL)batched;
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/**
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* Informs the delegate that the collectionView is about to call performBatchUpdates
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*/
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- (void)collectionViewWillPerformBatchUpdates;
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@end
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