210 lines
7.8 KiB
Objective-C
210 lines
7.8 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 "RCTScrollViewManager.h"
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#import "RCTBridge.h"
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#import "RCTScrollView.h"
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#import "RCTShadowView.h"
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#import "RCTUIManager.h"
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@interface RCTScrollView (Private)
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- (NSArray<NSDictionary *> *)calculateChildFramesData;
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@end
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@implementation RCTConvert (UIScrollView)
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RCT_ENUM_CONVERTER(UIScrollViewKeyboardDismissMode, (@{
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@"none": @(UIScrollViewKeyboardDismissModeNone),
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@"on-drag": @(UIScrollViewKeyboardDismissModeOnDrag),
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@"interactive": @(UIScrollViewKeyboardDismissModeInteractive),
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// Backwards compatibility
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@"onDrag": @(UIScrollViewKeyboardDismissModeOnDrag),
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}), UIScrollViewKeyboardDismissModeNone, integerValue)
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RCT_ENUM_CONVERTER(UIScrollViewIndicatorStyle, (@{
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@"default": @(UIScrollViewIndicatorStyleDefault),
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@"black": @(UIScrollViewIndicatorStyleBlack),
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@"white": @(UIScrollViewIndicatorStyleWhite),
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}), UIScrollViewIndicatorStyleDefault, integerValue)
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
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RCT_ENUM_CONVERTER(UIScrollViewContentInsetAdjustmentBehavior, (@{
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@"automatic": @(UIScrollViewContentInsetAdjustmentAutomatic),
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@"scrollableAxes": @(UIScrollViewContentInsetAdjustmentScrollableAxes),
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@"never": @(UIScrollViewContentInsetAdjustmentNever),
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@"always": @(UIScrollViewContentInsetAdjustmentAlways),
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}), UIScrollViewContentInsetAdjustmentNever, integerValue)
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#endif
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@end
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@implementation RCTScrollViewManager
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RCT_EXPORT_MODULE()
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- (UIView *)view
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{
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return [[RCTScrollView alloc] initWithEventDispatcher:self.bridge.eventDispatcher];
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}
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RCT_EXPORT_VIEW_PROPERTY(alwaysBounceHorizontal, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(alwaysBounceVertical, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(bounces, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(bouncesZoom, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(canCancelContentTouches, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(centerContent, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(automaticallyAdjustContentInsets, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(decelerationRate, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(directionalLockEnabled, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(indicatorStyle, UIScrollViewIndicatorStyle)
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RCT_EXPORT_VIEW_PROPERTY(keyboardDismissMode, UIScrollViewKeyboardDismissMode)
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RCT_EXPORT_VIEW_PROPERTY(maximumZoomScale, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(minimumZoomScale, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(scrollEnabled, BOOL)
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#if !TARGET_OS_TV
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RCT_EXPORT_VIEW_PROPERTY(pagingEnabled, BOOL)
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RCT_REMAP_VIEW_PROPERTY(pinchGestureEnabled, scrollView.pinchGestureEnabled, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(scrollsToTop, BOOL)
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#endif
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RCT_EXPORT_VIEW_PROPERTY(showsHorizontalScrollIndicator, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(showsVerticalScrollIndicator, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(scrollEventThrottle, NSTimeInterval)
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RCT_EXPORT_VIEW_PROPERTY(zoomScale, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(contentInset, UIEdgeInsets)
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RCT_EXPORT_VIEW_PROPERTY(scrollIndicatorInsets, UIEdgeInsets)
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RCT_EXPORT_VIEW_PROPERTY(snapToInterval, int)
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RCT_EXPORT_VIEW_PROPERTY(snapToAlignment, NSString)
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RCT_REMAP_VIEW_PROPERTY(contentOffset, scrollView.contentOffset, CGPoint)
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RCT_EXPORT_VIEW_PROPERTY(onScrollBeginDrag, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onScroll, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onScrollEndDrag, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onMomentumScrollBegin, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onMomentumScrollEnd, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(DEPRECATED_sendUpdatedChildFrames, BOOL)
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
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RCT_EXPORT_VIEW_PROPERTY(contentInsetAdjustmentBehavior, UIScrollViewContentInsetAdjustmentBehavior)
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#endif
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// overflow is used both in css-layout as well as by react-native. In css-layout
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// we always want to treat overflow as scroll but depending on what the overflow
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// is set to from js we want to clip drawing or not. This piece of code ensures
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// that css-layout is always treating the contents of a scroll container as
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// overflow: 'scroll'.
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RCT_CUSTOM_SHADOW_PROPERTY(overflow, YGOverflow, RCTShadowView) {
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#pragma unused (json)
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view.overflow = YGOverflowScroll;
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}
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RCT_EXPORT_METHOD(getContentSize:(nonnull NSNumber *)reactTag
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callback:(RCTResponseSenderBlock)callback)
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{
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[self.bridge.uiManager addUIBlock:
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^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTScrollView *> *viewRegistry) {
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RCTScrollView *view = viewRegistry[reactTag];
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if (!view || ![view isKindOfClass:[RCTScrollView class]]) {
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RCTLogError(@"Cannot find RCTScrollView with tag #%@", reactTag);
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return;
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}
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CGSize size = view.scrollView.contentSize;
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callback(@[@{
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@"width" : @(size.width),
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@"height" : @(size.height)
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}]);
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}];
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}
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RCT_EXPORT_METHOD(calculateChildFrames:(nonnull NSNumber *)reactTag
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callback:(RCTResponseSenderBlock)callback)
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{
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[self.bridge.uiManager addUIBlock:
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^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTScrollView *> *viewRegistry) {
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RCTScrollView *view = viewRegistry[reactTag];
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if (!view || ![view isKindOfClass:[RCTScrollView class]]) {
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RCTLogError(@"Cannot find RCTScrollView with tag #%@", reactTag);
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return;
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}
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NSArray<NSDictionary *> *childFrames = [view calculateChildFramesData];
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if (childFrames) {
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callback(@[childFrames]);
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}
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}];
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}
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RCT_EXPORT_METHOD(scrollTo:(nonnull NSNumber *)reactTag
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offsetX:(CGFloat)x
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offsetY:(CGFloat)y
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animated:(BOOL)animated)
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{
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[self.bridge.uiManager addUIBlock:
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^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry){
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UIView *view = viewRegistry[reactTag];
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if ([view conformsToProtocol:@protocol(RCTScrollableProtocol)]) {
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[(id<RCTScrollableProtocol>)view scrollToOffset:(CGPoint){x, y} animated:animated];
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} else {
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RCTLogError(@"tried to scrollTo: on non-RCTScrollableProtocol view %@ "
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"with tag #%@", view, reactTag);
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}
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}];
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}
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RCT_EXPORT_METHOD(scrollToEnd:(nonnull NSNumber *)reactTag
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animated:(BOOL)animated)
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{
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[self.bridge.uiManager addUIBlock:
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^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry){
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UIView *view = viewRegistry[reactTag];
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if ([view conformsToProtocol:@protocol(RCTScrollableProtocol)]) {
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[(id<RCTScrollableProtocol>)view scrollToEnd:animated];
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} else {
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RCTLogError(@"tried to scrollTo: on non-RCTScrollableProtocol view %@ "
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"with tag #%@", view, reactTag);
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}
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}];
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}
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RCT_EXPORT_METHOD(zoomToRect:(nonnull NSNumber *)reactTag
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withRect:(CGRect)rect
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animated:(BOOL)animated)
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{
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[self.bridge.uiManager addUIBlock:
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^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry){
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UIView *view = viewRegistry[reactTag];
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if ([view conformsToProtocol:@protocol(RCTScrollableProtocol)]) {
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[(id<RCTScrollableProtocol>)view zoomToRect:rect animated:animated];
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} else {
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RCTLogError(@"tried to zoomToRect: on non-RCTScrollableProtocol view %@ "
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"with tag #%@", view, reactTag);
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}
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}];
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}
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RCT_EXPORT_METHOD(flashScrollIndicators:(nonnull NSNumber *)reactTag)
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{
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[self.bridge.uiManager addUIBlock:
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^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTScrollView *> *viewRegistry){
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RCTScrollView *view = viewRegistry[reactTag];
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if (!view || ![view isKindOfClass:[RCTScrollView class]]) {
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RCTLogError(@"Cannot find RCTScrollView with tag #%@", reactTag);
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return;
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}
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[view.scrollView flashScrollIndicators];
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}];
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}
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@end
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