From 5f8b44fd227e20fc51bc16de80d6582adf78fc7b Mon Sep 17 00:00:00 2001
From: Ziqi Chen <ziqichen@fb.com>
Date: Thu, 28 Jun 2018 11:56:53 -0700
Subject: [PATCH] added check for iOS 11 on ignore inverted colors

Summary:
Added Check for iOS 11 before setting property for `accessibilityIgnoreInvertColor`

Builds on top of
https://our.intern.facebook.com/intern/diff/D8549084/

Reviewed By: shergin

Differential Revision: D8599698

fbshipit-source-id: c5cc26b4c1c20fb9cca5bfe7143fa9dcb217a2d7
---
 React/Views/RCTViewManager.m |  1 +
 React/Views/UIView+React.h   |  6 ++++++
 React/Views/UIView+React.m   | 19 +++++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/React/Views/RCTViewManager.m b/React/Views/RCTViewManager.m
index 626e923d35e5db..ede084d1a5fb8b 100644
--- a/React/Views/RCTViewManager.m
+++ b/React/Views/RCTViewManager.m
@@ -112,6 +112,7 @@ - (RCTShadowView *)shadowView
 RCT_REMAP_VIEW_PROPERTY(accessibilityTraits, reactAccessibilityElement.accessibilityTraits, UIAccessibilityTraits)
 RCT_REMAP_VIEW_PROPERTY(accessibilityViewIsModal, reactAccessibilityElement.accessibilityViewIsModal, BOOL)
 RCT_REMAP_VIEW_PROPERTY(accessibilityElementsHidden, reactAccessibilityElement.accessibilityElementsHidden, BOOL)
+RCT_REMAP_VIEW_PROPERTY(accessibilityIgnoresInvertColors, reactAccessibilityElement.shouldAccessibilityIgnoresInvertColors, BOOL)
 RCT_REMAP_VIEW_PROPERTY(onAccessibilityAction, reactAccessibilityElement.onAccessibilityAction, RCTDirectEventBlock)
 RCT_REMAP_VIEW_PROPERTY(onAccessibilityTap, reactAccessibilityElement.onAccessibilityTap, RCTDirectEventBlock)
 RCT_REMAP_VIEW_PROPERTY(onMagicTap, reactAccessibilityElement.onMagicTap, RCTDirectEventBlock)
diff --git a/React/Views/UIView+React.h b/React/Views/UIView+React.h
index 94de7aae753130..3d0ac2c5af7a57 100644
--- a/React/Views/UIView+React.h
+++ b/React/Views/UIView+React.h
@@ -27,6 +27,12 @@
  */
 @property (nonatomic, copy) NSString *nativeID;
 
+/**
+ * Determines whether or not a view should ignore inverted colors or not. Used to set
+ * UIView property accessibilityIgnoresInvertColors in iOS 11+.
+ */
+@property (nonatomic, assign) BOOL shouldAccessibilityIgnoresInvertColors;
+
 /**
  * Layout direction of the view.
  * Internally backed to `semanticContentAttribute` property.
diff --git a/React/Views/UIView+React.m b/React/Views/UIView+React.m
index 22d14f82c4a334..613083b4c44027 100644
--- a/React/Views/UIView+React.m
+++ b/React/Views/UIView+React.m
@@ -35,6 +35,25 @@ - (void)setNativeID:(NSNumber *)nativeID
   objc_setAssociatedObject(self, @selector(nativeID), nativeID, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 }
 
+- (BOOL)shouldAccessibilityIgnoresInvertColors
+{
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
+    if (@available(iOS 11.0, *)) {
+        return self.accessibilityIgnoresInvertColors;
+    }
+#endif
+    return NO;
+}
+
+- (void)setShouldAccessibilityIgnoresInvertColors:(BOOL)shouldAccessibilityIgnoresInvertColors
+{
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
+    if (@available(iOS 11.0, *)) {
+        self.accessibilityIgnoresInvertColors = shouldAccessibilityIgnoresInvertColors;
+    }
+#endif
+}
+
 - (BOOL)isReactRootView
 {
   return RCTIsReactRootView(self.reactTag);