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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
35 lines
1.0 KiB
Objective-C
35 lines
1.0 KiB
Objective-C
//
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// ASBackgroundLayoutSpec.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASLayoutSpec.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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Lays out a single layoutElement child, then lays out a background layoutElement instance behind it stretched to its size.
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*/
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@interface ASBackgroundLayoutSpec : ASLayoutSpec
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/**
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* Background layoutElement for this layout spec
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*/
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@property (nonatomic) id<ASLayoutElement> background;
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/**
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* Creates and returns an ASBackgroundLayoutSpec object
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*
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* @param child A child that is laid out to determine the size of this spec.
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* @param background A layoutElement object that is laid out behind the child.
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*/
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+ (instancetype)backgroundLayoutSpecWithChild:(id<ASLayoutElement>)child background:(id<ASLayoutElement>)background NS_RETURNS_RETAINED AS_WARN_UNUSED_RESULT;
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@end
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NS_ASSUME_NONNULL_END
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