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reValuate/node_modules/react-native/React/Views/ScrollView/RCTScrollContentShadowView.m
2021-04-02 02:24:13 +03:00

32 lines
975 B
Objective-C

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTScrollContentShadowView.h"
#import <yoga/Yoga.h>
#import "RCTUtils.h"
@implementation RCTScrollContentShadowView
- (void)layoutWithMetrics:(RCTLayoutMetrics)layoutMetrics layoutContext:(RCTLayoutContext)layoutContext
{
if (layoutMetrics.layoutDirection == UIUserInterfaceLayoutDirectionRightToLeft) {
// Motivation:
// Yoga place `contentView` on the right side of `scrollView` when RTL layout is enforced.
// That breaks everything; it is completely pointless to (re)position `contentView`
// because it is `contentView`'s job. So, we work around it here.
layoutContext.absolutePosition.x += layoutMetrics.frame.size.width;
layoutMetrics.frame.origin.x = 0;
}
[super layoutWithMetrics:layoutMetrics layoutContext:layoutContext];
}
@end