react-native/ReactKit/Views/RCTView.h

52 lines
1.5 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTView.h"
#import <UIKit/UIKit.h>
#import "RCTPointerEvents.h"
@protocol RCTAutoInsetsProtocol;
@interface RCTView : UIView
/**
* Used to control how touch events are processed.
*/
@property (nonatomic, assign) RCTPointerEvents pointerEvents;
+ (void)autoAdjustInsetsForView:(UIView<RCTAutoInsetsProtocol> *)parentView
withScrollView:(UIScrollView *)scrollView
updateOffset:(BOOL)updateOffset;
/**
* Find the first view controller whose view, or any subview is the specified view.
*/
+ (UIEdgeInsets)contentInsetsForView:(UIView *)curView;
/**
* This is an optimization used to improve performance
* for large scrolling views with many subviews, such as a
* list or table. If set to YES, any clipped subviews will
* be removed from the view hierarchy whenever -updateClippedSubviews
* is called. This would typically be triggered by a scroll event
*/
@property (nonatomic, assign) BOOL removeClippedSubviews;
/**
* Hide subviews if they are outside the view bounds.
* This is an optimisation used predominantly with RKScrollViews
* but it is applied recursively to all subviews that have
* removeClippedSubviews set to YES
*/
- (void)updateClippedSubviews;
@end