From 04fa09afeff0c834236e893933bc261b47b09cfa Mon Sep 17 00:00:00 2001
From: chirag04 <jain_chirag04@yahoo.com>
Date: Tue, 14 Jul 2015 17:03:41 -0700
Subject: [PATCH] [Style] added backface-visibility. fixes #1973

Summary:
default behavior remains same(backface visible).

cc @sahrens
Closes https://github.com/facebook/react-native/pull/1977
Github Author: chirag04 <jain_chirag04@yahoo.com>
---
 Libraries/Components/View/ViewStylePropTypes.js | 1 +
 React/Base/RCTConvert.h                         | 3 ++-
 React/Base/RCTConvert.m                         | 5 +++++
 React/Views/RCTViewManager.m                    | 1 +
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Libraries/Components/View/ViewStylePropTypes.js b/Libraries/Components/View/ViewStylePropTypes.js
index ce147e096..64ace6d7b 100644
--- a/Libraries/Components/View/ViewStylePropTypes.js
+++ b/Libraries/Components/View/ViewStylePropTypes.js
@@ -21,6 +21,7 @@ var TransformPropTypes = require('TransformPropTypes');
 var ViewStylePropTypes = {
   ...LayoutPropTypes,
   ...TransformPropTypes,
+  backfaceVisibility: ReactPropTypes.oneOf(['visible', 'hidden']),
   backgroundColor: ReactPropTypes.string,
   borderColor: ReactPropTypes.string,
   borderTopColor: ReactPropTypes.string,
diff --git a/React/Base/RCTConvert.h b/React/Base/RCTConvert.h
index 1b010accd..50b677dd9 100644
--- a/React/Base/RCTConvert.h
+++ b/React/Base/RCTConvert.h
@@ -120,8 +120,9 @@ typedef NSArray CGColorArray;
 typedef id NSPropertyList;
 + (NSPropertyList)NSPropertyList:(id)json;
 
-typedef BOOL css_clip_t;
+typedef BOOL css_clip_t, css_backface_visibility_t;
 + (css_clip_t)css_clip_t:(id)json;
++ (css_backface_visibility_t)css_backface_visibility_t:(id)json;
 + (css_flex_direction_t)css_flex_direction_t:(id)json;
 + (css_justify_t)css_justify_t:(id)json;
 + (css_align_t)css_align_t:(id)json;
diff --git a/React/Base/RCTConvert.m b/React/Base/RCTConvert.m
index c78cc8d74..e61e6f6ed 100644
--- a/React/Base/RCTConvert.m
+++ b/React/Base/RCTConvert.m
@@ -993,6 +993,11 @@ static id RCTConvertPropertyListValue(id json)
   return RCTConvertPropertyListValue(json);
 }
 
+RCT_ENUM_CONVERTER(css_backface_visibility_t, (@{
+  @"hidden": @NO,
+  @"visible": @YES
+}), YES, boolValue)
+
 RCT_ENUM_CONVERTER(css_clip_t, (@{
   @"hidden": @YES,
   @"visible": @NO
diff --git a/React/Views/RCTViewManager.m b/React/Views/RCTViewManager.m
index ce027bbed..9be9087f6 100644
--- a/React/Views/RCTViewManager.m
+++ b/React/Views/RCTViewManager.m
@@ -96,6 +96,7 @@ RCT_EXPORT_VIEW_PROPERTY(accessibilityTraits, UIAccessibilityTraits)
 RCT_EXPORT_VIEW_PROPERTY(backgroundColor, UIColor)
 RCT_REMAP_VIEW_PROPERTY(accessible, isAccessibilityElement, BOOL)
 RCT_REMAP_VIEW_PROPERTY(testID, accessibilityIdentifier, NSString)
+RCT_REMAP_VIEW_PROPERTY(backfaceVisibility, layer.doubleSided, css_backface_visibility_t)
 RCT_REMAP_VIEW_PROPERTY(opacity, alpha, CGFloat)
 RCT_REMAP_VIEW_PROPERTY(shadowColor, layer.shadowColor, CGColor);
 RCT_REMAP_VIEW_PROPERTY(shadowOffset, layer.shadowOffset, CGSize);