IGListKit/Tests/Objects/IGTestSupplementarySource.m
Ryan Nystrom 4e9b0bb4c4 Prevent negative spaces for items and supplementaries
Summary:
If a negative height/width comes down, cap it to `0.0`.

Issue fixed: #566

Also fixes t16455632 internally.

- [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.
Closes https://github.com/Instagram/IGListKit/pull/583

Differential Revision: D4797520

Pulled By: jessesquires

fbshipit-source-id: 3eeec5244a445bb451460286b4f006ca0d9c67d1
2017-03-29 15:01:08 -07:00

47 lines
2 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.
*/
#import "IGTestSupplementarySource.h"
#import "IGTestNibSupplementaryView.h"
@implementation IGTestSupplementarySource
- (instancetype)init {
if (self = [super init]) {
_size = CGSizeMake(100, 10);
}
return self;
}
#pragma mark - IGListSupplementaryViewSource
- (UICollectionReusableView *)viewForSupplementaryElementOfKind:(NSString *)elementKind
atIndex:(NSInteger)index {
if (self.dequeueFromNib) {
IGTestNibSupplementaryView *view = [self.collectionContext dequeueReusableSupplementaryViewOfKind:elementKind
forSectionController:self.sectionController
nibName:@"IGTestNibSupplementaryView"
bundle:[NSBundle bundleForClass:self.class]
atIndex:index];
view.label.text = @"Foo bar baz";
return view;
} else {
return [self.collectionContext dequeueReusableSupplementaryViewOfKind:elementKind
forSectionController:self.sectionController
class:[UICollectionReusableView class]
atIndex:index];
}
}
- (CGSize)sizeForSupplementaryViewOfKind:(NSString *)elementKind atIndex:(NSInteger)index {
return self.size;
}
@end