63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
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/*
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* Copyright (c) Meta Platforms, Inc. and 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/RCTDefines.h>
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#import <React/RCTGenericDelegateSplitter.h>
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#import <React/RCTMountingTransactionObserving.h>
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#import <React/RCTScrollableProtocol.h>
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#import <React/RCTViewComponentView.h>
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NS_ASSUME_NONNULL_BEGIN
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/*
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* UIView class for <ScrollView> component.
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*
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* By design, the class does not implement any logic that contradicts to the normal behavior of UIScrollView and does
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* not contain any special/custom support for things like floating headers, pull-to-refresh components,
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* keyboard-avoiding functionality and so on. All that complexity must be implemented inside those components in order
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* to keep the complexity of this component manageable.
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*/
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@interface RCTScrollViewComponentView : RCTViewComponentView <RCTMountingTransactionObserving>
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/*
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* Finds and returns the closet RCTScrollViewComponentView component to the given view
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*/
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+ (nullable RCTScrollViewComponentView *)findScrollViewComponentViewForView:(UIView *)view;
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/*
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* Returns an actual UIScrollView that this component uses under the hood.
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*/
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@property (nonatomic, strong, readonly) UIScrollView *scrollView;
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/*
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* Returns the subview of the scroll view that the component uses to mount all subcomponents into. That's useful to
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* separate component views from auxiliary views to be able to reliably implement pull-to-refresh- and RTL-related
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* functionality.
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*/
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@property (nonatomic, strong, readonly) UIView *containerView;
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/*
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* Returns a delegate splitter that can be used to subscribe for UIScrollView delegate.
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*/
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@property (nonatomic, strong, readonly)
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RCTGenericDelegateSplitter<id<UIScrollViewDelegate>> *scrollViewDelegateSplitter;
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@end
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/*
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* RCTScrollableProtocol is a protocol which RCTScrollViewManager uses to communicate with all kinds of `UIScrollView`s.
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* Until Fabric has own command-execution pipeline we have to support that to some extent. The implementation shouldn't
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* be perfect though because very soon we will migrate that to the new commands infra and get rid of this.
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*/
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@interface RCTScrollViewComponentView (ScrollableProtocol) <RCTScrollableProtocol>
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@end
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NS_ASSUME_NONNULL_END
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