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https://github.com/status-im/react-native.git
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2faf8632d3
Summary: **What:** adds `onRefreshStart` property to `ScrollView.js` for displaying and activating pull to refresh. **Why:** Javascript implementations seemed a little flakey and inconsistent. As you can see in the issues below: https://github.com/facebook/react-native/issues/2356 https://github.com/facebook/react-native/issues/745 So this is an attempt a completely native implementation. What do you think?  Closes https://github.com/facebook/react-native/pull/4205 Reviewed By: svcscm Differential Revision: D2674945 Pulled By: nicklockwood fb-gh-sync-id: 65113a5db9785df5a95c68323c2cdf19f3b217b1
68 lines
2.3 KiB
Objective-C
68 lines
2.3 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/UIScrollView.h>
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#import "RCTAutoInsetsProtocol.h"
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#import "RCTEventDispatcher.h"
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#import "RCTScrollableProtocol.h"
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#import "RCTView.h"
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@protocol UIScrollViewDelegate;
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@interface RCTScrollView : RCTView <UIScrollViewDelegate, RCTScrollableProtocol, RCTAutoInsetsProtocol>
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- (instancetype)initWithEventDispatcher:(RCTEventDispatcher *)eventDispatcher NS_DESIGNATED_INITIALIZER;
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/**
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* The `RCTScrollView` may have at most one single subview. This will ensure
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* that the scroll view's `contentSize` will be efficiently set to the size of
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* the single subview's frame. That frame size will be determined somewhat
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* efficiently since it will have already been computed by the off-main-thread
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* layout system.
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*/
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@property (nonatomic, readonly) UIView *contentView;
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/**
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* If the `contentSize` is not specified (or is specified as {0, 0}, then the
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* `contentSize` will automatically be determined by the size of the subview.
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*/
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@property (nonatomic, assign) CGSize contentSize;
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/**
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* The underlying scrollView (TODO: can we remove this?)
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*/
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@property (nonatomic, readonly) UIScrollView *scrollView;
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@property (nonatomic, assign) UIEdgeInsets contentInset;
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@property (nonatomic, assign) BOOL automaticallyAdjustContentInsets;
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@property (nonatomic, assign) NSTimeInterval scrollEventThrottle;
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@property (nonatomic, assign) BOOL centerContent;
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@property (nonatomic, assign) int snapToInterval;
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@property (nonatomic, copy) NSString *snapToAlignment;
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@property (nonatomic, copy) NSIndexSet *stickyHeaderIndices;
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@property (nonatomic, copy) RCTDirectEventBlock onRefreshStart;
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- (void)endRefreshing;
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@end
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@interface RCTEventDispatcher (RCTScrollView)
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/**
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* Send a scroll event.
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* (You can send a fake scroll event by passing nil for scrollView).
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*/
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- (void)sendScrollEventWithType:(RCTScrollEventType)type
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reactTag:(NSNumber *)reactTag
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scrollView:(UIScrollView *)scrollView
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userData:(NSDictionary *)userData;
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@end
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