159 lines
4.9 KiB
Objective-C
159 lines
4.9 KiB
Objective-C
/*
|
|
* Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#import <React/RCTBaseTextShadowView.h>
|
|
|
|
#import <React/RCTShadowView+Layout.h>
|
|
|
|
#import <React/RCTRawTextShadowView.h>
|
|
#import <React/RCTVirtualTextShadowView.h>
|
|
|
|
NSString *const RCTBaseTextShadowViewEmbeddedShadowViewAttributeName =
|
|
@"RCTBaseTextShadowViewEmbeddedShadowViewAttributeName";
|
|
|
|
static void RCTInlineViewYogaNodeDirtied(YGNodeRef node)
|
|
{
|
|
// An inline view (a view nested inside of a text node) does not have a parent
|
|
// in the Yoga tree. Consequently, we have to manually propagate the inline
|
|
// view's dirty signal up through the text nodes. At some point, it'll reach
|
|
// the outermost text node which has a Yoga node and then Yoga will take over
|
|
// the dirty signal propagation.
|
|
RCTShadowView *inlineView = (__bridge RCTShadowView *)YGNodeGetContext(node);
|
|
RCTBaseTextShadowView *baseTextShadowView = (RCTBaseTextShadowView *)inlineView.reactSuperview;
|
|
|
|
[baseTextShadowView dirtyLayout];
|
|
}
|
|
|
|
@implementation RCTBaseTextShadowView
|
|
|
|
- (instancetype)init
|
|
{
|
|
if (self = [super init]) {
|
|
_textAttributes = [RCTTextAttributes new];
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void)setReactTag:(NSNumber *)reactTag
|
|
{
|
|
[super setReactTag:reactTag];
|
|
_textAttributes.tag = reactTag;
|
|
}
|
|
|
|
#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, RCTInlineViewYogaNodeDirtied);
|
|
}
|
|
}
|
|
|
|
- (void)removeReactSubview:(RCTShadowView *)subview
|
|
{
|
|
if (![subview isKindOfClass:[RCTVirtualTextShadowView class]]) {
|
|
YGNodeSetDirtiedFunc(subview.yogaNode, NULL);
|
|
}
|
|
|
|
[self dirtyLayout];
|
|
|
|
[super removeReactSubview:subview];
|
|
}
|
|
|
|
#pragma mark - attributedString
|
|
|
|
- (NSAttributedString *)attributedTextWithBaseTextAttributes:(nullable RCTTextAttributes *)baseTextAttributes
|
|
{
|
|
RCTTextAttributes *textAttributes;
|
|
|
|
if (baseTextAttributes) {
|
|
textAttributes = [baseTextAttributes copy];
|
|
[textAttributes applyTextAttributes:self.textAttributes];
|
|
} else {
|
|
textAttributes = [self.textAttributes copy];
|
|
}
|
|
|
|
if (cachedAttributedText && [cachedTextAttributes isEqual:textAttributes]) {
|
|
return cachedAttributedText;
|
|
}
|
|
|
|
NSMutableAttributedString *attributedText = [NSMutableAttributedString new];
|
|
|
|
[attributedText beginEditing];
|
|
|
|
for (RCTShadowView *shadowView in self.reactSubviews) {
|
|
// Special Case: RCTRawTextShadowView
|
|
if ([shadowView isKindOfClass:[RCTRawTextShadowView class]]) {
|
|
RCTRawTextShadowView *rawTextShadowView = (RCTRawTextShadowView *)shadowView;
|
|
NSString *text = rawTextShadowView.text;
|
|
if (text) {
|
|
NSAttributedString *rawTextAttributedString =
|
|
[[NSAttributedString alloc] initWithString:[textAttributes applyTextAttributesToText:text]
|
|
attributes:textAttributes.effectiveTextAttributes];
|
|
[attributedText appendAttributedString:rawTextAttributedString];
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Special Case: RCTBaseTextShadowView
|
|
if ([shadowView isKindOfClass:[RCTBaseTextShadowView class]]) {
|
|
RCTBaseTextShadowView *baseTextShadowView = (RCTBaseTextShadowView *)shadowView;
|
|
NSAttributedString *baseTextAttributedString =
|
|
[baseTextShadowView attributedTextWithBaseTextAttributes:textAttributes];
|
|
[attributedText appendAttributedString:baseTextAttributedString];
|
|
continue;
|
|
}
|
|
|
|
// Generic Case: Any RCTShadowView
|
|
NSTextAttachment *attachment = [NSTextAttachment new];
|
|
NSMutableAttributedString *embeddedShadowViewAttributedString = [NSMutableAttributedString new];
|
|
[embeddedShadowViewAttributedString beginEditing];
|
|
[embeddedShadowViewAttributedString
|
|
appendAttributedString:[NSAttributedString attributedStringWithAttachment:attachment]];
|
|
[embeddedShadowViewAttributedString addAttribute:RCTBaseTextShadowViewEmbeddedShadowViewAttributeName
|
|
value:shadowView
|
|
range:(NSRange){0, embeddedShadowViewAttributedString.length}];
|
|
[embeddedShadowViewAttributedString endEditing];
|
|
[attributedText appendAttributedString:embeddedShadowViewAttributedString];
|
|
}
|
|
|
|
[attributedText endEditing];
|
|
|
|
[self clearLayout];
|
|
|
|
cachedAttributedText = [attributedText copy];
|
|
cachedTextAttributes = textAttributes;
|
|
|
|
return cachedAttributedText;
|
|
}
|
|
|
|
- (void)dirtyLayout
|
|
{
|
|
[super dirtyLayout];
|
|
cachedAttributedText = nil;
|
|
cachedTextAttributes = nil;
|
|
}
|
|
|
|
- (void)didUpdateReactSubviews
|
|
{
|
|
[super didUpdateReactSubviews];
|
|
[self dirtyLayout];
|
|
}
|
|
|
|
- (void)didSetProps:(NSArray<NSString *> *)changedProps
|
|
{
|
|
[super didSetProps:changedProps];
|
|
[self dirtyLayout];
|
|
}
|
|
|
|
@end
|