Files
yoga/YogaKit/Source/UIView+Yoga.m
Bin Yu 58328d01ef Add 'useYoga' property to indicate whether UIView uses Yoga for layout or not
Summary: Now developer could check whether UIView uses Yoga for layout.

Reviewed By: emilsjolander

Differential Revision: D5881242

fbshipit-source-id: 4d1cf0b489b759ff0b9c5091cc51534fd12dcf60
2017-09-21 10:18:52 -07:00

42 lines
991 B
Objective-C

/**
* 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 "UIView+Yoga.h"
#import "YGLayout+Private.h"
#import <objc/runtime.h>
static const void *kYGYogaAssociatedKey = &kYGYogaAssociatedKey;
@implementation UIView (YogaKit)
- (YGLayout *)yoga
{
YGLayout *yoga = objc_getAssociatedObject(self, kYGYogaAssociatedKey);
if (!yoga) {
yoga = [[YGLayout alloc] initWithView:self];
objc_setAssociatedObject(self, kYGYogaAssociatedKey, yoga, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
return yoga;
}
- (BOOL)isYogaEnabled
{
return objc_getAssociatedObject(self, kYGYogaAssociatedKey) != nil;
}
- (void)configureLayoutWithBlock:(YGLayoutConfigurationBlock)block
{
if (block != nil) {
block(self.yoga);
}
}
@end