mirror of
https://github.com/Instagram/IGListKit
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6cdd112790
Summary: This happens when we set collectionView.dataSource to be nil before calling performUpdates:, the crash is easily reproduced by a simple unit test. To make the infra more robust and we don't crash the app, let's add an early return before applying a collectionView update. Reviewed By: rnystrom, calimarkus Differential Revision: D12896196 fbshipit-source-id: ab024d0e7e9282d50c3be297e1e67cfccaff8242
31 lines
990 B
Objective-C
31 lines
990 B
Objective-C
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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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 "UICollectionView+IGListBatchUpdateData.h"
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#import <IGListKit/IGListBatchUpdateData.h>
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@implementation UICollectionView (IGListBatchUpdateData)
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- (void)ig_applyBatchUpdateData:(IGListBatchUpdateData *)updateData {
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[self deleteItemsAtIndexPaths:updateData.deleteIndexPaths];
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[self insertItemsAtIndexPaths:updateData.insertIndexPaths];
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[self reloadItemsAtIndexPaths:updateData.updateIndexPaths];
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for (IGListMoveIndexPath *move in updateData.moveIndexPaths) {
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[self moveItemAtIndexPath:move.from toIndexPath:move.to];
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}
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for (IGListMoveIndex *move in updateData.moveSections) {
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[self moveSection:move.from toSection:move.to];
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}
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[self deleteSections:updateData.deleteSections];
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[self insertSections:updateData.insertSections];
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}
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@end
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