react-native/Libraries/Text/VirtualText/RCTVirtualTextShadowView.m

74 lines
1.5 KiB
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 "RCTVirtualTextShadowView.h"
#import <React/RCTShadowView+Layout.h>
#import <yoga/Yoga.h>
#import "RCTRawTextShadowView.h"
@implementation RCTVirtualTextShadowView {
BOOL _isLayoutDirty;
}
#pragma mark - Life Cycle
- (void)insertReactSubview:(RCTShadowView *)subview atIndex:(NSInteger)index
{
[super insertReactSubview:subview atIndex:index];
[self dirtyLayout];
if (![subview isKindOfClass:[RCTVirtualTextShadowView class]]) {
YGNodeSetDirtiedFunc(subview.yogaNode, RCTVirtualTextShadowViewYogaNodeDirtied);
}
}
- (void)removeReactSubview:(RCTShadowView *)subview
{
if (![subview isKindOfClass:[RCTVirtualTextShadowView class]]) {
YGNodeSetDirtiedFunc(subview.yogaNode, NULL);
}
[self dirtyLayout];
[super removeReactSubview:subview];
}
#pragma mark - Layout
- (void)dirtyLayout
{
[super dirtyLayout];
if (_isLayoutDirty) {
return;
}
_isLayoutDirty = YES;
[self.superview dirtyLayout];
}
- (void)clearLayout
{
_isLayoutDirty = NO;
}
static void RCTVirtualTextShadowViewYogaNodeDirtied(YGNodeRef node)
{
RCTShadowView *shadowView = (__bridge RCTShadowView *)YGNodeGetContext(node);
RCTVirtualTextShadowView *virtualTextShadowView =
(RCTVirtualTextShadowView *)shadowView.reactSuperview;
[virtualTextShadowView dirtyLayout];
}
@end