mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-20 07:48:32 +00:00
e5afb5b4d0
Summary: - Add scrolling method on IGListCollectionContext so that section controllers can scroll to themselves. - Update CHANGELOG. - Other misc fixes. - Closes #267 on GitHub. Reviewed By: rnystrom Differential Revision: D4261144 fbshipit-source-id: 9eed833cfff06107607bba01a0beee1d871497b6
38 lines
1.6 KiB
Objective-C
38 lines
1.6 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 <IGListKit/IGListDisplayDelegate.h>
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#import "IGListStackedSectionController.h"
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@interface IGListStackedSectionController ()
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<
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IGListCollectionContext,
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IGListDisplayDelegate,
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IGListScrollDelegate
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>
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@property (nonatomic, strong, readonly) NSOrderedSet<__kindof IGListSectionController<IGListSectionType> *> *sectionControllers;
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/// An array the length of the total number of items in the stack, pointing to a section controller for the item index.
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@property (nonatomic, copy) NSArray<IGListSectionController<IGListSectionType> *> *sectionControllersForItems;
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/// An array of index offsets for each item in the flattened stack.
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@property (nonatomic, copy) NSArray<NSNumber *> *sectionControllerOffsets;
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/// A cached collection of the number of items summed from each section controller in the stack.
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@property (nonatomic, assign) NSInteger flattenedNumberOfItems;
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/// A counted set of the visible section controllers, used to forward granular display events to child section controllers
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@property (nonatomic, strong, readonly) NSCountedSet *visibleSectionControllers;
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- (IGListSectionController <IGListSectionType> *)sectionControllerForObjectIndex:(NSInteger)itemIndex;
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- (NSInteger)offsetForSectionController:(IGListSectionController<IGListSectionType> *)sectionController;
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@end
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