IGListKit/Source/IGListWorkingRangeDelegate.h
Ryan Nystrom 8d8a632b67 Update MIT license language (#1272)
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
2018-11-01 10:58:46 -07:00

44 lines
1.3 KiB
Objective-C

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import <UIKit/UIKit.h>
@class IGListAdapter;
@class IGListSectionController;
NS_ASSUME_NONNULL_BEGIN
/**
Implement this protocol to receive working range events for a list.
The working range is a range *near* the viewport in which you can begin preparing content for display. For example,
you could begin decoding images, or warming text caches.
*/
NS_SWIFT_NAME(ListWorkingRangeDelegate)
@protocol IGListWorkingRangeDelegate <NSObject>
/**
Notifies the delegate that an section controller will enter the working range.
@param listAdapter The adapter controlling the list.
@param sectionController The section controller entering the range.
*/
- (void)listAdapter:(IGListAdapter *)listAdapter sectionControllerWillEnterWorkingRange:(IGListSectionController *)sectionController;
/**
Notifies the delegate that an section controller exited the working range.
@param listAdapter The adapter controlling the list.
@param sectionController The section controller that exited the range.
*/
- (void)listAdapter:(IGListAdapter *)listAdapter sectionControllerDidExitWorkingRange:(IGListSectionController *)sectionController;
@end
NS_ASSUME_NONNULL_END