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2716f53220
Summary: This is a complete rewrite of RCTText, the part of React Native which manages Text and TextInput components. Key points: * It's understandable now. It follows a simple architectural pattern, and it's easy to debug and iterate. Text flow layout is a first-class citizen in React Native layout system now, not just a wired special case. It also brings entirely new possibilities such as nested interleaving <Text> and <View> components. * All <Text>-specific APIs were removed from UIManager and co (it's about ~16 public methods which were used exclusively only by <Text>). * It relies on new Yoga measurement/cloning API and on-dirty handler. So, it removes built-in dirty propagation subsystem from RN completely. * It caches string fragments properly and granularly on a per-node basis which makes updating text-containing components more performant. * It does not instantiate UIView for virtual components which reduces memory utilization. * It drastically improves <TextInput> capabilities (e.g. rich text inside single line <TextInput> is now supported). Screenshots: https://cl.ly/2j3r1V0L0324 https://cl.ly/3N2V3C3d3q3R Reviewed By: mmmulani Differential Revision: D6617326 fbshipit-source-id: 35d4d81b35c9870e9557d0211c0e934e6072a41e
46 lines
2.0 KiB
Objective-C
46 lines
2.0 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <UIKit/UIKit.h>
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@protocol RCTBackedTextInputDelegate;
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NS_ASSUME_NONNULL_BEGIN
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@protocol RCTBackedTextInputViewProtocol <UITextInput>
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@property (nonatomic, strong, nullable) UIColor *textColor;
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@property (nonatomic, strong, nullable) UIFont *font;
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@property (nonatomic, copy, nullable) NSAttributedString *attributedText;
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@property (nonatomic, copy, nullable) NSString *placeholder;
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@property (nonatomic, strong, nullable) UIColor *placeholderColor;
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@property (nonatomic, assign) NSTextAlignment textAlignment;
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@property (nonatomic, assign, readonly) BOOL textWasPasted;
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@property (nonatomic, assign) UIEdgeInsets textContainerInset;
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@property (nonatomic, strong, nullable) UIView *inputAccessoryView;
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@property (nonatomic, weak, nullable) id<RCTBackedTextInputDelegate> textInputDelegate;
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@property (nonatomic, readonly) CGSize contentSize;
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// This protocol disallows direct access to `selectedTextRange` property because
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// unwise usage of it can break the `delegate` behavior. So, we always have to
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// explicitly specify should `delegate` be notified about the change or not.
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// If the change was initiated programmatically, we must NOT notify the delegate.
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// If the change was a result of user actions (like typing or touches), we MUST notify the delegate.
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- (void)setSelectedTextRange:(nullable UITextRange *)selectedTextRange NS_UNAVAILABLE;
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- (void)setSelectedTextRange:(nullable UITextRange *)selectedTextRange notifyDelegate:(BOOL)notifyDelegate;
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// This protocol disallows direct access to `text` property because
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// unwise usage of it can break the `attributeText` behavior.
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// Use `attributedText.string` instead.
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@property (nonatomic, copy, nullable) NSString *text NS_UNAVAILABLE;
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@end
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NS_ASSUME_NONNULL_END
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