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https://github.com/zhigang1992/react-native.git
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ba199eade5
Summary: If some class or category override/implement one of those methods, it implies that subclasses must call super for them. `NS_REQUIRES_SUPER` allows to enforce this constraint. Reviewed By: JoshuaGross Differential Revision: D14896804 fbshipit-source-id: a481f16e1f7ab901d70deb6486f2ca1cf19dd8d7
85 lines
2.9 KiB
Objective-C
85 lines
2.9 KiB
Objective-C
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <UIKit/UIKit.h>
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#import <React/RCTComponentViewProtocol.h>
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#import <React/RCTTouchableComponentViewProtocol.h>
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#import <React/UIView+ComponentViewProtocol.h>
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#import <react/components/view/ViewEventEmitter.h>
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#import <react/components/view/ViewProps.h>
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#import <react/core/EventEmitter.h>
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#import <react/core/LayoutMetrics.h>
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#import <react/core/Props.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* UIView class for <View> component.
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*/
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@interface RCTViewComponentView : UIView <RCTComponentViewProtocol, RCTTouchableComponentViewProtocol> {
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@protected
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facebook::react::LayoutMetrics _layoutMetrics;
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facebook::react::SharedViewProps _props;
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facebook::react::SharedViewEventEmitter _eventEmitter;
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}
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/**
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* Represents the `UIView` instance that is being automatically attached to
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* the component view and laid out using on `layoutMetrics` (especially `size`
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* and `padding`) of the component.
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* This view must not be a component view; it's just a convenient way
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* to embed/bridge pure native views as component views.
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* Defaults to `nil`. Assing `nil` to remove view as subview.
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*/
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@property (nonatomic, strong, nullable) UIView *contentView;
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/**
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* Provides access to `nativeId` prop of the component.
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* It might be used by subclasses (which need to refer to the view from
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* other platform-specific external views or systems by some id) or
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* by debugging/inspection tools.
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* Defaults to `nil`.
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*/
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@property (nonatomic, strong, nullable) NSString *nativeId;
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/**
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* Provides access to `foregroundColor` prop of the component.
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* Must be used by subclasses only.
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*/
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@property (nonatomic, strong, nullable) UIColor *foregroundColor;
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/**
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* Returns the object - usually (sub)view - which represents this
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* component view in terms of accessibility.
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* All accessibility properties will be applied to this object.
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* May be overridden in subclass which needs to be accessiblitywise
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* transparent in favour of some subview.
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* Defaults to `self`.
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*/
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@property (nonatomic, strong, nullable, readonly) NSObject *accessibilityElement;
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/**
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* Insets used when hit testing inside this view.
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*/
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@property (nonatomic, assign) UIEdgeInsets hitTestEdgeInsets;
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/**
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* Enforcing `call super` semantic for overridden methods from `RCTComponentViewProtocol`.
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*/
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- (void)updateProps:(facebook::react::SharedProps)props
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oldProps:(facebook::react::SharedProps)oldProps NS_REQUIRES_SUPER;
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- (void)updateEventEmitter:(facebook::react::SharedEventEmitter)eventEmitter NS_REQUIRES_SUPER;
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- (void)updateLayoutMetrics:(facebook::react::LayoutMetrics)layoutMetrics
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oldLayoutMetrics:(facebook::react::LayoutMetrics)oldLayoutMetrics NS_REQUIRES_SUPER;
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- (void)finalizeUpdates:(RNComponentViewUpdateMask)updateMask NS_REQUIRES_SUPER;
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- (void)prepareForRecycle NS_REQUIRES_SUPER;
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@end
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NS_ASSUME_NONNULL_END
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