IGListKit/Source/IGListAdapterDelegate.h
Ryan Nystrom 000bc36919 Relicense to MIT
Summary: Relicensing IGListKit under MIT

Reviewed By: calimarkus

Differential Revision: D7764125

fbshipit-source-id: 6c773195ef3184202725fe7f08de754f979cb83f
2018-05-01 14:50:56 -07:00

39 lines
1.1 KiB
Objective-C

/**
* Copyright (c) 2016-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import <Foundation/Foundation.h>
@class IGListAdapter;
NS_ASSUME_NONNULL_BEGIN
/**
Conform to `IGListAdapterDelegate` to receive display events for objects in a list.
*/
@protocol IGListAdapterDelegate <NSObject>
/**
Notifies the delegate that a list object is about to be displayed.
@param listAdapter The list adapter sending this information.
@param object The object that will display.
@param index The index of the object in the list.
*/
- (void)listAdapter:(IGListAdapter *)listAdapter willDisplayObject:(id)object atIndex:(NSInteger)index;
/**
Notifies the delegate that a list object is no longer being displayed.
@param listAdapter The list adapter sending this information.
@param object The object that ended display.
@param index The index of the object in the list.
*/
- (void)listAdapter:(IGListAdapter *)listAdapter didEndDisplayingObject:(id)object atIndex:(NSInteger)index;
@end
NS_ASSUME_NONNULL_END