react-native/React/Views/ScrollView/RCTScrollContentShadowView.m
Sophie Alpert 1490ab12ef Update license headers for MIT license
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.

find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.

Reviewed By: TheSavior, yungsters

Differential Revision: D7007050

fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
2018-02-16 18:31:53 -08:00

33 lines
981 B
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* 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 enfoced.
// 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