From 78b167c735695768c07f7054738e8aada72cd99f Mon Sep 17 00:00:00 2001
From: ericlewis <ericlewis777@gmail.com>
Date: Mon, 25 Feb 2019 14:28:16 -0800
Subject: [PATCH] Call super if shouldDisableScrollInteraction false (#23647)

Summary:
Allow iOS to handle `touchesShouldCancelInContentView` on RCTScrollView if we aren't disabling the scroll interaction.

[iOS] [Changed] - RCTScrollView allows iOS to handle touchesShouldCancelInContentView
Pull Request resolved: https://github.com/facebook/react-native/pull/23647

Differential Revision: D14214248

Pulled By: hramos

fbshipit-source-id: 6e1bab3085aed6cabb93fb5dc988afe3911817e8
---
 React/Views/ScrollView/RCTScrollView.m | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/React/Views/ScrollView/RCTScrollView.m b/React/Views/ScrollView/RCTScrollView.m
index 2ed87866b..75da9bb08 100644
--- a/React/Views/ScrollView/RCTScrollView.m
+++ b/React/Views/ScrollView/RCTScrollView.m
@@ -280,8 +280,13 @@ RCT_NOT_IMPLEMENTED(- (instancetype)init)
  */
 - (BOOL)touchesShouldCancelInContentView:(__unused UIView *)view
 {
-  //TODO: shouldn't this call super if _shouldDisableScrollInteraction returns NO?
-  return ![self _shouldDisableScrollInteraction];
+  BOOL shouldDisableScrollInteraction = [self _shouldDisableScrollInteraction];
+  
+  if (shouldDisableScrollInteraction == NO) {
+    [super touchesShouldCancelInContentView:view];
+  }
+  
+  return !shouldDisableScrollInteraction;
 }
 
 /*