iOS13 status bar has now 3 styles (#26294)

Summary:
iOS13 status bar has now 3 styles
UIStatusBarStyleDefault, UIStatusBarStyleLightContent, UIStatusBarStyleDarkContent

UIStatusBarStyleDefault now acts as an automatic style which will set it’s value dynamically based on the the userinterfacestyle(One of the traits) of the viewcontroller that controls the status bar appearance.

## Changelog

[iOS] [Fixed] - iOS13 new status bar style UIStatusBarStyleDarkContent
Pull Request resolved: https://github.com/facebook/react-native/pull/26294

Differential Revision: D17314054

Pulled By: cpojer

fbshipit-source-id: ea109e729bb551dff314bc00a056860a8febb0e9

React/Modules/RCTStatusBarManager.m

@@ -14,17 +14,44 @@
 #if !TARGET_OS_TV
 @implementation RCTConvert (UIStatusBar)
 
-RCT_ENUM_CONVERTER(UIStatusBarStyle, (@{
-  @"default": @(UIStatusBarStyleDefault),
-  @"light-content": @(UIStatusBarStyleLightContent),
-  @"dark-content": @(UIStatusBarStyleDefault),
-}), UIStatusBarStyleDefault, integerValue);
++ (UIStatusBarStyle)UIStatusBarStyle:(id)json RCT_DYNAMIC
+{
+  static NSDictionary *mapping;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    if (@available(iOS 13.0, *)) {
+      mapping = @{
+        @"default" : @(UIStatusBarStyleDefault),
+        @"light-content" : @(UIStatusBarStyleLightContent),
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
+    __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
+        @"dark-content" : @(UIStatusBarStyleDarkContent)
+#else
+          @"dark-content": @(UIStatusBarStyleDefault)
+#endif
+      };
 
-RCT_ENUM_CONVERTER(UIStatusBarAnimation, (@{
-  @"none": @(UIStatusBarAnimationNone),
-  @"fade": @(UIStatusBarAnimationFade),
-  @"slide": @(UIStatusBarAnimationSlide),
-}), UIStatusBarAnimationNone, integerValue);
+    } else {
+      mapping = @{
+        @"default" : @(UIStatusBarStyleDefault),
+        @"light-content" : @(UIStatusBarStyleLightContent),
+        @"dark-content" : @(UIStatusBarStyleDefault)
+      };
+    }
+  });
+  return _RCT_CAST(
+      type, [RCTConvertEnumValue("UIStatusBarStyle", mapping, @(UIStatusBarStyleDefault), json) integerValue]);
+}
+
+RCT_ENUM_CONVERTER(
+    UIStatusBarAnimation,
+    (@{
+      @"none" : @(UIStatusBarAnimationNone),
+      @"fade" : @(UIStatusBarAnimationFade),
+      @"slide" : @(UIStatusBarAnimationSlide),
+    }),
+    UIStatusBarAnimationNone,
+    integerValue);
 
 @end
 #endif
@@ -36,8 +63,9 @@ static BOOL RCTViewControllerBasedStatusBarAppearance()
   static BOOL value;
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    value = [[[NSBundle mainBundle] objectForInfoDictionaryKey:
-              @"UIViewControllerBasedStatusBarAppearance"] ?: @YES boolValue];
+    value =
+        [[[NSBundle mainBundle] objectForInfoDictionaryKey:@"UIViewControllerBasedStatusBarAppearance"]
+                ?: @YES boolValue];
   });
 
   return value;
@@ -47,8 +75,7 @@ RCT_EXPORT_MODULE()
 
 - (NSArray<NSString *> *)supportedEvents
 {
-  return @[@"statusBarFrameDidChange",
-           @"statusBarFrameWillChange"];
+  return @[ @"statusBarFrameDidChange", @"statusBarFrameWillChange" ];
 }
 
 #if !TARGET_OS_TV
@@ -56,8 +83,14 @@ RCT_EXPORT_MODULE()
 - (void)startObserving
 {
   NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
-  [nc addObserver:self selector:@selector(applicationDidChangeStatusBarFrame:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
-  [nc addObserver:self selector:@selector(applicationWillChangeStatusBarFrame:) name:UIApplicationWillChangeStatusBarFrameNotification object:nil];
+  [nc addObserver:self
+         selector:@selector(applicationDidChangeStatusBarFrame:)
+             name:UIApplicationDidChangeStatusBarFrameNotification
+           object:nil];
+  [nc addObserver:self
+         selector:@selector(applicationWillChangeStatusBarFrame:)
+             name:UIApplicationWillChangeStatusBarFrameNotification
+           object:nil];
 }
 
 - (void)stopObserving
@@ -74,11 +107,11 @@ RCT_EXPORT_MODULE()
 {
   CGRect frame = [notification.userInfo[UIApplicationStatusBarFrameUserInfoKey] CGRectValue];
   NSDictionary *event = @{
-    @"frame": @{
-      @"x": @(frame.origin.x),
-      @"y": @(frame.origin.y),
-      @"width": @(frame.size.width),
-      @"height": @(frame.size.height),
+    @"frame" : @{
+      @"x" : @(frame.origin.x),
+      @"y" : @(frame.origin.y),
+      @"width" : @(frame.size.width),
+      @"height" : @(frame.size.height),
     },
   };
   [self sendEventWithName:eventName body:event];
@@ -94,15 +127,14 @@ RCT_EXPORT_MODULE()
   [self emitEvent:@"statusBarFrameWillChange" forNotification:notification];
 }
 
-RCT_EXPORT_METHOD(getHeight:(RCTResponseSenderBlock)callback)
+RCT_EXPORT_METHOD(getHeight : (RCTResponseSenderBlock)callback)
 {
-  callback(@[@{
-    @"height": @(RCTSharedApplication().statusBarFrame.size.height),
-  }]);
+  callback(@[ @{
+    @"height" : @(RCTSharedApplication().statusBarFrame.size.height),
+  } ]);
 }
 
-RCT_EXPORT_METHOD(setStyle:(UIStatusBarStyle)statusBarStyle
-                  animated:(BOOL)animated)
+RCT_EXPORT_METHOD(setStyle : (UIStatusBarStyle)statusBarStyle animated : (BOOL)animated)
 {
   if (RCTViewControllerBasedStatusBarAppearance()) {
     RCTLogError(@"RCTStatusBarManager module requires that the \
@@ -110,14 +142,12 @@ RCT_EXPORT_METHOD(setStyle:(UIStatusBarStyle)statusBarStyle
   } else {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
-    [RCTSharedApplication() setStatusBarStyle:statusBarStyle
-                                     animated:animated];
+    [RCTSharedApplication() setStatusBarStyle:statusBarStyle animated:animated];
   }
 #pragma clang diagnostic pop
 }
 
-RCT_EXPORT_METHOD(setHidden:(BOOL)hidden
-                  withAnimation:(UIStatusBarAnimation)animation)
+RCT_EXPORT_METHOD(setHidden : (BOOL)hidden withAnimation : (UIStatusBarAnimation)animation)
 {
   if (RCTViewControllerBasedStatusBarAppearance()) {
     RCTLogError(@"RCTStatusBarManager module requires that the \
@@ -125,17 +155,16 @@ RCT_EXPORT_METHOD(setHidden:(BOOL)hidden
   } else {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
-    [RCTSharedApplication() setStatusBarHidden:hidden
-                                 withAnimation:animation];
+    [RCTSharedApplication() setStatusBarHidden:hidden withAnimation:animation];
 #pragma clang diagnostic pop
   }
 }
 
-RCT_EXPORT_METHOD(setNetworkActivityIndicatorVisible:(BOOL)visible)
+RCT_EXPORT_METHOD(setNetworkActivityIndicatorVisible : (BOOL)visible)
 {
   RCTSharedApplication().networkActivityIndicatorVisible = visible;
 }
 
-#endif //TARGET_OS_TV
+#endif // TARGET_OS_TV
 
 @end