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react-native/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.h
T
Kevin Gozali d2e18a1c5c iOS: Revert RCT->RN prefix renaming to avoid confusion
Summary: The previous rename from RCT->RN prefix ended up causing some confusions on which prefix to use for which files and under what circumstances. To avoid further confusion before we're done with the re-architecture project, let's keep them as RCT.

Reviewed By: mdvacca

Differential Revision: D16705566

fbshipit-source-id: 395bff771c84e5ded6b2261a84c7549df1e6c5e5
2019-08-08 07:21:25 -07:00

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