add enableFocusRing feature for TextInput component (#932)

Author: dimaportenko

Libraries/Components/TextInput/TextInput.js

@@ -1191,6 +1191,7 @@ function InternalTextInput(props: Props): React.Node {
         accessibilityState={props.accessibilityState}
         nativeID={props.nativeID}
         testID={props.testID}
+        enableFocusRing={props.enableFocusRing} // TODO(macOS GH#774)
         {...additionalTouchableProps}>
         {textInput}
       </TouchableWithoutFeedback>

Libraries/Text/TextInput/Singleline/RCTSinglelineTextInputView.m

@@ -87,6 +87,13 @@ - (void)setUseSecureTextField:(BOOL)useSecureTextField {
     [self replaceSubview:previousTextField with:_backedTextInputView];
   }
 }
+
+- (void)setEnableFocusRing:(BOOL)enableFocusRing {
+  [super setEnableFocusRing:enableFocusRing];
+  if ([_backedTextInputView respondsToSelector:@selector(setEnableFocusRing:)]) {
+    [_backedTextInputView setEnableFocusRing:enableFocusRing];
+  }
+}
 #endif // ]TODO(macOS GH#774)
 
 @end

Libraries/Text/TextInput/Singleline/RCTUITextField.h

@@ -51,6 +51,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, assign) NSTextAlignment textAlignment;
 @property (nonatomic, getter=isAutomaticTextReplacementEnabled) BOOL automaticTextReplacementEnabled;
 @property (nonatomic, getter=isAutomaticSpellingCorrectionEnabled) BOOL automaticSpellingCorrectionEnabled;
+@property (nonatomic, assign) BOOL enableFocusRing;
 @property (nonatomic, strong, nullable) RCTUIColor *selectionColor;
 @property (weak, nullable) id<RCTUITextFieldDelegate> delegate;
 #endif // ]TODO(macOS GH#774)

Libraries/Text/TextInput/Singleline/RCTUITextField.m

@@ -213,6 +213,18 @@ - (UIFont *)font
   return ((RCTUITextFieldCell*)self.cell).font;
 }
 
+- (void)setEnableFocusRing:(BOOL)enableFocusRing {
+  if (_enableFocusRing != enableFocusRing) {
+    _enableFocusRing = enableFocusRing;
+  }
+
+  if (enableFocusRing) {
+    [self setFocusRingType:NSFocusRingTypeDefault];
+  } else {
+    [self setFocusRingType:NSFocusRingTypeNone];
+  }
+}
+
 #endif // ]TODO(macOS GH#774)
 
 - (void)setPlaceholder:(NSString *)placeholder