Files
react-native/ReactCommon/fabric/textlayoutmanager/platform/ios/RCTTextLayoutManager.h
T
Jiayan ZhuangandFacebook GitHub Bot 96708d58e4 Add getRectWithAttributedString() to RCTTextLayoutManager
Summary:
Changelog:
[iOS][Added] - `getRectWithAttributedString()` aims to get the rect of the fragment with embedded link, which is necessary when building the `accessibilityElement`. In this function, we first enumerate attributedString to find the range of fragments whose `accessibilityRole` is @"link". Then we calculate the rect of the fragment and send to the block and we would define what to do in the block in `RCTParagraphComponentAccessibilityProvider`.

Reviewed By: shergin

Differential Revision: D22286733

fbshipit-source-id: 4d11cb54375a4e9e72869e646fcb484de089b14b
2020-07-06 15:00:58 -07:00

57 lines
2.3 KiB
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 <UIKit/UIKit.h>
#import <react/attributedstring/AttributedString.h>
#import <react/attributedstring/ParagraphAttributes.h>
#import <react/core/LayoutConstraints.h>
#import <react/graphics/Geometry.h>
#import <react/textlayoutmanager/TextMeasureCache.h>
NS_ASSUME_NONNULL_BEGIN
/**
@abstract Enumeration block for text fragments.
*/
using RCTTextLayoutFragmentEnumerationBlock =
void (^)(CGRect fragmentRect, NSString *_Nonnull fragmentText, NSString *value);
/**
* iOS-specific TextLayoutManager
*/
@interface RCTTextLayoutManager : NSObject
- (facebook::react::TextMeasurement)measureAttributedString:(facebook::react::AttributedString)attributedString
paragraphAttributes:(facebook::react::ParagraphAttributes)paragraphAttributes
layoutConstraints:(facebook::react::LayoutConstraints)layoutConstraints;
- (facebook::react::TextMeasurement)measureNSAttributedString:(NSAttributedString *)attributedString
paragraphAttributes:(facebook::react::ParagraphAttributes)paragraphAttributes
layoutConstraints:(facebook::react::LayoutConstraints)layoutConstraints;
- (void)drawAttributedString:(facebook::react::AttributedString)attributedString
paragraphAttributes:(facebook::react::ParagraphAttributes)paragraphAttributes
frame:(CGRect)frame;
- (facebook::react::SharedEventEmitter)
getEventEmitterWithAttributeString:(facebook::react::AttributedString)attributedString
paragraphAttributes:(facebook::react::ParagraphAttributes)paragraphAttributes
frame:(CGRect)frame
atPoint:(CGPoint)point;
- (void)getRectWithAttributedString:(facebook::react::AttributedString)attributedString
paragraphAttributes:(facebook::react::ParagraphAttributes)paragraphAttributes
enumerateAttribute:(NSString *)enumerateAttribute
frame:(CGRect)frame
usingBlock:(RCTTextLayoutFragmentEnumerationBlock)block;
@end
NS_ASSUME_NONNULL_END