mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-16 05:48:18 +00:00
8d8a632b67
Summary: Updating license language to meet FB open source standards. Pull Request resolved: https://github.com/Instagram/IGListKit/pull/1272 Differential Revision: D12844366 Pulled By: rnystrom fbshipit-source-id: 27ae49ae00d963c5c012c79c5738365c232a5773
34 lines
1.7 KiB
Objective-C
34 lines
1.7 KiB
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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/**
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Conform to `IGListTransitionDelegate` to provide customized layout information for a collection view.
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*/
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@protocol IGListTransitionDelegate <NSObject>
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/**
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Asks the delegate to customize and return the starting layout information for an item being inserted into the collection view.
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@param listAdapter The adapter controlling the list.
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@param attributes The starting layout information for an item being inserted into the collection view.
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@param sectionController The section controller to perform the transition on.
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@param index The index of the item being inserted.
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*/
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- (UICollectionViewLayoutAttributes *)listAdapter:(IGListAdapter *)listAdapter customizedInitialLayoutAttributes:(UICollectionViewLayoutAttributes *)attributes sectionController:(IGListSectionController *)sectionController atIndex:(NSInteger)index;
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/**
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Asks the delegate to customize and return the final layout information for an item that is about to be removed from the collection view.
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@param listAdapter The adapter controlling the list.
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@param attributes The final layout information for an item that is about to be removed from the collection view.
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@param sectionController The section controller to perform the transition on.
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@param index The index of the item being deleted.
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*/
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- (UICollectionViewLayoutAttributes *)listAdapter:(IGListAdapter *)listAdapter customizedFinalLayoutAttributes:(UICollectionViewLayoutAttributes *)attributes sectionController:(IGListSectionController *)sectionController atIndex:(NSInteger)index;
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@end
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