mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-18 06:48:22 +00:00
66 lines
2.5 KiB
Objective-C
66 lines
2.5 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 <UIKit/UIKit.h>
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@class IGListAdapter;
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@class IGListSectionController;
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@protocol IGListSectionType;
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NS_ASSUME_NONNULL_BEGIN
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/**
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Implement this protocol to receive display events for an section controller when it is on screen.
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*/
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@protocol IGListDisplayDelegate <NSObject>
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/**
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Tells the delegate that the specified list is about to be displayed.
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@param listAdapter The list adapter that the list will display in.
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@param sectionController The list about to be displayed.
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*/
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- (void)listAdapter:(IGListAdapter *)listAdapter willDisplaySectionController:(IGListSectionController <IGListSectionType> *)sectionController;
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/**
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Tells the delegate that the specified list is no longer being displayed.
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@param listAdapter The list adapter that the list was displayed in.
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@param sectionController The list that is no longer displayed.
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*/
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- (void)listAdapter:(IGListAdapter *)listAdapter didEndDisplayingSectionController:(IGListSectionController <IGListSectionType> *)sectionController;
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/**
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Tells the delegate that a row in the specified list is about to be displayed.
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@param listAdapter The list adapter that row will display in.
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@param sectionController The section controller that is displaying.
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@param cell The cell about to be displayed.
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@param index The index of the row.
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*/
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- (void)listAdapter:(IGListAdapter *)listAdapter willDisplaySectionController:(IGListSectionController <IGListSectionType> *)sectionController
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cell:(UICollectionViewCell *)cell
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atIndex:(NSInteger)index;
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/**
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Tells the delegate that a row in the specified list is no longer being displayed.
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@param listAdapter The list adapter that the list was displayed in.
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@param sectionController The section controller that is no longer displaying the cell.
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@param cell The cell that is no longer displayed.
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@param index The index of the row.
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*/
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- (void)listAdapter:(IGListAdapter *)listAdapter didEndDisplayingSectionController:(IGListSectionController <IGListSectionType> *)sectionController
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cell:(UICollectionViewCell *)cell
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atIndex:(NSInteger)index;
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@end
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NS_ASSUME_NONNULL_END
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