Swiftgram/AsyncDisplayKit/Layout/ASBackgroundLayoutSpec.h
Hannah Troisi c857e809f4 Clean up header comments (for consistent Facebook licensing info) (#1741)
[Licensing] Clean up header comments (for consistent Facebook licensing info)
2016-06-11 23:31:39 -07:00

31 lines
1020 B
Objective-C

//
// ASBackgroundLayoutSpec.h
// AsyncDisplayKit
//
// Copyright (c) 2014-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 <AsyncDisplayKit/ASLayoutSpec.h>
NS_ASSUME_NONNULL_BEGIN
/**
Lays out a single layoutable child, then lays out a background layoutable instance behind it stretched to its size.
*/
@interface ASBackgroundLayoutSpec : ASLayoutSpec
@property (nullable, nonatomic, strong) id<ASLayoutable> background;
/**
@param child A child that is laid out to determine the size of this spec.
@param background A layoutable object that is laid out behind the child. If this is nil, the background is omitted.
*/
+ (instancetype)backgroundLayoutSpecWithChild:(id<ASLayoutable>)child background:(nullable id<ASLayoutable>)background;
@end
NS_ASSUME_NONNULL_END