Swiftgram/Source/Layout/ASBackgroundLayoutSpec.h
Garrett Moon 8013e25524 Update license v2 (#67)
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2017-04-24 16:59:57 -07:00

43 lines
1.4 KiB
Objective-C

//
// ASBackgroundLayoutSpec.h
// Texture
//
// 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 /ASDK-Licenses directory of this source tree. An additional
// grant of patent rights can be found in the PATENTS file in the same directory.
//
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASLayoutSpec.h>
NS_ASSUME_NONNULL_BEGIN
/**
Lays out a single layoutElement child, then lays out a background layoutElement instance behind it stretched to its size.
*/
@interface ASBackgroundLayoutSpec : ASLayoutSpec
/**
* Background layoutElement for this layout spec
*/
@property (nonatomic, strong) id<ASLayoutElement> background;
/**
* Creates and returns an ASBackgroundLayoutSpec object
*
* @param child A child that is laid out to determine the size of this spec.
* @param background A layoutElement object that is laid out behind the child.
*/
+ (instancetype)backgroundLayoutSpecWithChild:(id<ASLayoutElement>)child background:(id<ASLayoutElement>)background AS_WARN_UNUSED_RESULT;
@end
NS_ASSUME_NONNULL_END