mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-20 15:58:28 +00:00
f55b6d2895
Summary: Issue fixed: #1072 Changes don't need new tests. - [x] All tests pass. Demo project builds and runs. - [x] I added tests, an experiment, or detailed why my change isn't tested. - [x] I added an entry to the `CHANGELOG.md` for any breaking changes, enhancements, or bug fixes. - [x] I have reviewed the [contributing guide](https://github.com/Instagram/IGListKit/blob/master/.github/CONTRIBUTING.md) Closes https://github.com/Instagram/IGListKit/pull/1075 Differential Revision: D6858886 Pulled By: rnystrom fbshipit-source-id: ec3816cc66aa2f10c21ccc7dea6078adc034e74e
36 lines
1.8 KiB
Objective-C
36 lines
1.8 KiB
Objective-C
/**
|
|
* Copyright (c) 2016-present, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD-style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
/**
|
|
Conform to `IGListTransitionDelegate` to provide customized layout information for a collection view.
|
|
*/
|
|
@protocol IGListTransitionDelegate <NSObject>
|
|
|
|
/**
|
|
Asks the delegate to customize and return the starting layout information for an item being inserted into the collection view.
|
|
|
|
@param listAdapter The adapter controlling the list.
|
|
@param attributes The starting layout information for an item being inserted into the collection view.
|
|
@param sectionController The section controller to perform the transition on.
|
|
@param index The index of the item being inserted.
|
|
*/
|
|
- (UICollectionViewLayoutAttributes *)listAdapter:(IGListAdapter *)listAdapter customizedInitialLayoutAttributes:(UICollectionViewLayoutAttributes *)attributes sectionController:(IGListSectionController *)sectionController atIndex:(NSInteger)index;
|
|
|
|
/**
|
|
Asks the delegate to customize and return the final layout information for an item that is about to be removed from the collection view.
|
|
|
|
@param listAdapter The adapter controlling the list.
|
|
@param attributes The final layout information for an item that is about to be removed from the collection view.
|
|
@param sectionController The section controller to perform the transition on.
|
|
@param index The index of the item being deleted.
|
|
*/
|
|
- (UICollectionViewLayoutAttributes *)listAdapter:(IGListAdapter *)listAdapter customizedFinalLayoutAttributes:(UICollectionViewLayoutAttributes *)attributes sectionController:(IGListSectionController *)sectionController atIndex:(NSInteger)index;
|
|
|
|
@end
|
|
|