react-native/React/Views/RCTShadowView+Layout.m

57 lines
1.5 KiB
Objective-C

/**
* Copyright (c) 2015-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 "RCTShadowView+Layout.h"
#import <yoga/Yoga.h>
@implementation RCTShadowView (Layout)
- (UIEdgeInsets)paddingAsInsets
{
YGNodeRef yogaNode = self.yogaNode;
return (UIEdgeInsets){
YGNodeLayoutGetPadding(yogaNode, YGEdgeTop),
YGNodeLayoutGetPadding(yogaNode, YGEdgeLeft),
YGNodeLayoutGetPadding(yogaNode, YGEdgeBottom),
YGNodeLayoutGetPadding(yogaNode, YGEdgeRight)
};
}
- (UIEdgeInsets)borderAsInsets
{
YGNodeRef yogaNode = self.yogaNode;
return (UIEdgeInsets){
YGNodeLayoutGetBorder(yogaNode, YGEdgeTop),
YGNodeLayoutGetBorder(yogaNode, YGEdgeLeft),
YGNodeLayoutGetBorder(yogaNode, YGEdgeBottom),
YGNodeLayoutGetBorder(yogaNode, YGEdgeRight)
};
}
- (UIEdgeInsets)compoundInsets
{
UIEdgeInsets borderAsInsets = self.borderAsInsets;
UIEdgeInsets paddingAsInsets = self.paddingAsInsets;
return (UIEdgeInsets){
borderAsInsets.top + paddingAsInsets.top,
borderAsInsets.left + paddingAsInsets.left,
borderAsInsets.bottom + paddingAsInsets.bottom,
borderAsInsets.right + paddingAsInsets.right
};
}
- (CGSize)availableSize
{
return UIEdgeInsetsInsetRect((CGRect){CGPointZero, self.frame.size}, self.compoundInsets).size;
}
@end