Swiftgram/Source/Layout/ASAbsoluteLayoutSpec.h
2017-02-26 18:14:13 -08:00

56 lines
1.6 KiB
Objective-C

//
// ASAbsoluteLayoutSpec.h
// AsyncDisplayKit
//
// 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 root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
#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, assign) 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 AS_WARN_UNUSED_RESULT;
/**
@param children Children to be positioned at fixed positions
*/
+ (instancetype)absoluteLayoutSpecWithChildren:(NSArray<id<ASLayoutElement>> *)children AS_WARN_UNUSED_RESULT;
@end
#pragma mark - Deprecated
@interface ASStaticLayoutSpec : ASAbsoluteLayoutSpec
+ (instancetype)staticLayoutSpecWithChildren:(NSArray<id<ASLayoutElement>> *)children AS_WARN_UNUSED_RESULT ASDISPLAYNODE_DEPRECATED;
@end
NS_ASSUME_NONNULL_END