Swiftgram/submodules/AsyncDisplayKit/Source/ASAbsoluteLayoutSpec.h
2019-11-11 16:39:27 +04:00

46 lines
1.4 KiB
Objective-C

//
// ASAbsoluteLayoutSpec.h
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASLayoutSpec.h>
/** How much space the spec will take up. */
typedef NS_ENUM(NSInteger, ASAbsoluteLayoutSpecSizing) {
/** The spec will take up the maximum size possible. */
ASAbsoluteLayoutSpecSizingDefault,
/** Computes a size for the spec that is the union of all childrens' frames. */
ASAbsoluteLayoutSpecSizingSizeToFit,
};
NS_ASSUME_NONNULL_BEGIN
/**
A layout spec that positions children at fixed positions.
*/
@interface ASAbsoluteLayoutSpec : ASLayoutSpec
/**
How much space will the spec taken up
*/
@property (nonatomic) ASAbsoluteLayoutSpecSizing sizing;
/**
@param sizing How much space the spec will take up
@param children Children to be positioned at fixed positions
*/
+ (instancetype)absoluteLayoutSpecWithSizing:(ASAbsoluteLayoutSpecSizing)sizing children:(NSArray<id<ASLayoutElement>> *)children NS_RETURNS_RETAINED AS_WARN_UNUSED_RESULT;
/**
@param children Children to be positioned at fixed positions
*/
+ (instancetype)absoluteLayoutSpecWithChildren:(NSArray<id<ASLayoutElement>> *)children NS_RETURNS_RETAINED AS_WARN_UNUSED_RESULT;
@end
NS_ASSUME_NONNULL_END