From 560bab17e19a518cedfed6385db26fffe2adf3a6 Mon Sep 17 00:00:00 2001
From: Saad Ismail <saadismail@fb.com>
Date: Wed, 26 Jul 2017 13:27:21 -0700
Subject: [PATCH] Revert D5441491: [react-native][PR] Add
 'contentInsetAdjustmentBehavior' (new in iOS 11) to ScrollView

Differential Revision: D5441491

fbshipit-source-id: 0ae920c6c020f41ee0fde38e57b735f87b26d4a9
---
 Libraries/Components/ScrollView/ScrollView.js | 12 ----------
 React/Views/RCTScrollView.m                   | 24 -------------------
 React/Views/RCTScrollViewManager.m            | 12 ----------
 3 files changed, 48 deletions(-)

diff --git a/Libraries/Components/ScrollView/ScrollView.js b/Libraries/Components/ScrollView/ScrollView.js
index 69f9d45e7..66cce10ce 100644
--- a/Libraries/Components/ScrollView/ScrollView.js
+++ b/Libraries/Components/ScrollView/ScrollView.js
@@ -360,18 +360,6 @@ const ScrollView = createReactClass({
      * @platform ios
      */
     zoomScale: PropTypes.number,
-    /**
-     * This property specifies how the safe area insets are used to modify the
-     * content area of the scroll view. The default value of this property is
-     * "never". Available on iOS 11 and later.
-     * @platform ios
-     */
-    contentInsetAdjustmentBehavior: PropTypes.oneOf([
-      'automatic',
-      'scrollableAxes',
-      'never', // default
-      'always',
-    ]),
 
     /**
      * A RefreshControl component, used to provide pull-to-refresh
diff --git a/React/Views/RCTScrollView.m b/React/Views/RCTScrollView.m
index 35d8c628b..65d4539b5 100644
--- a/React/Views/RCTScrollView.m
+++ b/React/Views/RCTScrollView.m
@@ -354,22 +354,10 @@ RCT_NOT_IMPLEMENTED(- (instancetype)init)
 
   if ((self = [super initWithFrame:CGRectZero])) {
     _eventDispatcher = eventDispatcher;
-    
     _scrollView = [[RCTCustomScrollView alloc] initWithFrame:CGRectZero];
     _scrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
     _scrollView.delegate = self;
     _scrollView.delaysContentTouches = NO;
-
-#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
-    // `contentInsetAdjustmentBehavior` is only available since iOS 11.
-    // We set the default behavior to "never" so that iOS
-    // doesn't do weird things to UIScrollView insets automatically
-    // and keeps it as an opt-in behavior.
-    if ([_scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) {
-        _scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
-    }
-#endif
-
     _automaticallyAdjustContentInsets = YES;
     _DEPRECATED_sendUpdatedChildFrames = NO;
     _contentInset = UIEdgeInsetsZero;
@@ -913,18 +901,6 @@ RCT_SET_AND_PRESERVE_OFFSET(setShowsVerticalScrollIndicator, showsVerticalScroll
 RCT_SET_AND_PRESERVE_OFFSET(setZoomScale, zoomScale, CGFloat);
 RCT_SET_AND_PRESERVE_OFFSET(setScrollIndicatorInsets, scrollIndicatorInsets, UIEdgeInsets);
 
-#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
-- (void)setContentInsetAdjustmentBehavior:(UIScrollViewContentInsetAdjustmentBehavior)behavior
-{
-  // `contentInsetAdjustmentBehavior` is available since iOS 11.
-  if ([_scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) {
-    CGPoint contentOffset = _scrollView.contentOffset;
-    _scrollView.contentInsetAdjustmentBehavior = behavior;
-    _scrollView.contentOffset = contentOffset;
-  }
-}
-#endif
-
 - (void)sendScrollEventWithName:(NSString *)eventName
                      scrollView:(UIScrollView *)scrollView
                        userData:(NSDictionary *)userData
diff --git a/React/Views/RCTScrollViewManager.m b/React/Views/RCTScrollViewManager.m
index 2e5c931f9..ca1bf444c 100644
--- a/React/Views/RCTScrollViewManager.m
+++ b/React/Views/RCTScrollViewManager.m
@@ -36,15 +36,6 @@ RCT_ENUM_CONVERTER(UIScrollViewIndicatorStyle, (@{
   @"white": @(UIScrollViewIndicatorStyleWhite),
 }), UIScrollViewIndicatorStyleDefault, integerValue)
 
-#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
-RCT_ENUM_CONVERTER(UIScrollViewContentInsetAdjustmentBehavior, (@{
-  @"automatic": @(UIScrollViewContentInsetAdjustmentAutomatic),
-  @"scrollableAxes": @(UIScrollViewContentInsetAdjustmentScrollableAxes),
-  @"never": @(UIScrollViewContentInsetAdjustmentNever),
-  @"always": @(UIScrollViewContentInsetAdjustmentAlways),
-}), UIScrollViewContentInsetAdjustmentNever, integerValue)
-#endif
-
 @end
 
 @implementation RCTScrollViewManager
@@ -89,9 +80,6 @@ RCT_EXPORT_VIEW_PROPERTY(onScrollEndDrag, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(onMomentumScrollBegin, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(onMomentumScrollEnd, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(DEPRECATED_sendUpdatedChildFrames, BOOL)
-#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
-RCT_EXPORT_VIEW_PROPERTY(contentInsetAdjustmentBehavior, UIScrollViewContentInsetAdjustmentBehavior)
-#endif
 
 // overflow is used both in css-layout as well as by react-native. In css-layout
 // we always want to treat overflow as scroll but depending on what the overflow