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71 lines
2.2 KiB
Objective-C
71 lines
2.2 KiB
Objective-C
//
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// ASStackLayoutable.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/ASDimension.h>
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#import <AsyncDisplayKit/ASStackLayoutDefines.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Layout options that can be defined for an ASLayoutable being added to a ASStackLayoutSpec.
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*/
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@protocol ASStackLayoutable <NSObject>
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/**
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* @abstract Additional space to place before this object in the stacking direction.
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* Used when attached to a stack layout.
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*/
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@property (nonatomic, readwrite) CGFloat spacingBefore;
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/**
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* @abstract Additional space to place after this object in the stacking direction.
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* Used when attached to a stack layout.
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*/
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@property (nonatomic, readwrite) CGFloat spacingAfter;
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/**
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* @abstract If the sum of childrens' stack dimensions is less than the minimum size, should this object grow?
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* Used when attached to a stack layout.
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*/
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@property (nonatomic, readwrite) BOOL flexGrow;
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/**
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* @abstract If the sum of childrens' stack dimensions is greater than the maximum size, should this object shrink?
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* Used when attached to a stack layout.
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*/
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@property (nonatomic, readwrite) BOOL flexShrink;
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/**
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* @abstract Specifies the initial size in the stack dimension for this object.
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* Default to ASRelativeDimensionUnconstrained.
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* Used when attached to a stack layout.
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*/
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@property (nonatomic, readwrite) ASRelativeDimension flexBasis;
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/**
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* @abstract Orientation of the object along cross axis, overriding alignItems
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* Used when attached to a stack layout.
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*/
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@property (nonatomic, readwrite) ASStackLayoutAlignSelf alignSelf;
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/**
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* @abstract Used for baseline alignment. The distance from the top of the object to its baseline.
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*/
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@property (nonatomic, readwrite) CGFloat ascender;
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/**
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* @abstract Used for baseline alignment. The distance from the baseline of the object to its bottom.
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*/
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@property (nonatomic, readwrite) CGFloat descender;
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@end
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NS_ASSUME_NONNULL_END
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