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2f99951732
* Initial commit to move [ASLayoutSpec children] from std::map to NSMutableArray * Add NSFastEnumeration to ASLayoutable * ASNullLayoutSpec is a Singleton now * Move ASLayoutSpecPrivate in Private folder * Move to NSArrayPointer and remove ASNullLayoutSpec * Revert "Move to NSArrayPointer and remove ASNullLayoutSpec" This reverts commit 9ab9cf7024b1f6e1984d84fe58af2b84e84cdf94. * Move to childAtIndex: and setChild:atIndex:
36 lines
1.1 KiB
Objective-C
36 lines
1.1 KiB
Objective-C
//
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// ASBackgroundLayoutSpec.h
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// AsyncDisplayKit
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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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 layoutable child, then lays out a background layoutable 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 layoutable for this layout spec
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*/
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@property (nullable, nonatomic, strong) id<ASLayoutable> 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 layoutable object that is laid out behind the child. If this is nil, the background is omitted.
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*/
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+ (instancetype)backgroundLayoutSpecWithChild:(id<ASLayoutable>)child background:(nullable id<ASLayoutable>)background;
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@end
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NS_ASSUME_NONNULL_END
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