Fixed onFocus/onBlur events for multiline TextInput

Summary: public

onFocus and onBlur were not firing for multiline TextInputs.

Reviewed By: tadeuzagallo

Differential Revision: D2699846

fb-gh-sync-id: 7e64309bc631a42a99f989f615fef927dc50217c

Examples/UIExplorer/TextInputExample.ios.js

@@ -301,50 +301,6 @@ exports.displayName = (undefined: ?string);
 exports.title = '<TextInput>';
 exports.description = 'Single and multi-line text inputs.';
 exports.examples = [
-  {
-    title: 'Multiline',
-    render: function() {
-      return (
-        <View>
-          <TextInput
-            placeholder="multiline text input"
-            multiline={true}
-            style={styles.multiline}
-          />
-          <TextInput
-            placeholder="multiline text input with font styles and placeholder"
-            multiline={true}
-            clearTextOnFocus={true}
-            autoCorrect={true}
-            autoCapitalize="words"
-            placeholderTextColor="red"
-            keyboardType="url"
-            style={[styles.multiline, styles.multilineWithFontStyles]}
-          />
-          <TextInput
-            placeholder="uneditable multiline text input"
-            editable={false}
-            multiline={true}
-            style={styles.multiline}
-          />
-          <TextInput
-            placeholder="multiline with children"
-            multiline={true}
-            enablesReturnKeyAutomatically={true}
-            returnKeyType="go"
-            style={styles.multiline}>
-            <View style={styles.multilineChild}/>
-          </TextInput>
-        </View>
-      );
-    }
-  },
-  {
-    title: 'Attributed text',
-    render: function() {
-      return <TokenizedTextExample />;
-    }
-  },
   {
     title: 'Auto-focus',
     render: function() {
@@ -592,4 +548,48 @@ exports.examples = [
     title: 'Blur on submit',
     render: function(): ReactElement { return <BlurOnSubmitExample />; },
   },
+  {
+    title: 'Multiline',
+    render: function() {
+      return (
+        <View>
+          <TextInput
+            placeholder="multiline text input"
+            multiline={true}
+            style={styles.multiline}
+          />
+          <TextInput
+            placeholder="multiline text input with font styles and placeholder"
+            multiline={true}
+            clearTextOnFocus={true}
+            autoCorrect={true}
+            autoCapitalize="words"
+            placeholderTextColor="red"
+            keyboardType="url"
+            style={[styles.multiline, styles.multilineWithFontStyles]}
+          />
+          <TextInput
+            placeholder="uneditable multiline text input"
+            editable={false}
+            multiline={true}
+            style={styles.multiline}
+          />
+          <TextInput
+            placeholder="multiline with children"
+            multiline={true}
+            enablesReturnKeyAutomatically={true}
+            returnKeyType="go"
+            style={styles.multiline}>
+            <View style={styles.multilineChild}/>
+          </TextInput>
+        </View>
+      );
+    }
+  },
+  {
+    title: 'Attributed text',
+    render: function() {
+      return <TokenizedTextExample />;
+    }
+  },
 ];

Libraries/Text/RCTTextField.m

@@ -239,12 +239,19 @@ static void RCTUpdatePlaceholder(RCTTextField *self)
   }
 }
 
-- (BOOL)becomeFirstResponder
+- (void)reactWillMakeFirstResponder
 {
   _jsRequestingFirstResponder = YES;
-  BOOL result = [super becomeFirstResponder];
+}
+
+- (void)reactDidMakeFirstResponder
+{
   _jsRequestingFirstResponder = NO;
-  return result;
+}
+
+- (BOOL)canBecomeFirstResponder
+{
+  return _jsRequestingFirstResponder;
 }
 
 - (BOOL)resignFirstResponder
@@ -261,9 +268,4 @@ static void RCTUpdatePlaceholder(RCTTextField *self)
   return result;
 }
 
-- (BOOL)canBecomeFirstResponder
-{
-  return _jsRequestingFirstResponder;
-}
-
 @end

Libraries/Text/RCTTextView.m

@@ -22,6 +22,9 @@
 @end
 
 @implementation RCTUITextView
+{
+  BOOL _jsRequestingFirstResponder;
+}
 
 - (void)paste:(id)sender
 {
@@ -29,12 +32,26 @@
   [super paste:sender];
 }
 
+- (void)reactWillMakeFirstResponder
+{
+  _jsRequestingFirstResponder = YES;
+}
+
+- (BOOL)canBecomeFirstResponder
+{
+  return _jsRequestingFirstResponder;
+}
+
+- (void)reactDidMakeFirstResponder
+{
+  _jsRequestingFirstResponder = NO;
+}
+
 @end
 
 @implementation RCTTextView
 {
   RCTEventDispatcher *_eventDispatcher;
-  BOOL _jsRequestingFirstResponder;
   NSString *_placeholder;
   UITextView *_placeholderView;
   UITextView *_textView;
@@ -360,7 +377,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
 
   [_eventDispatcher sendTextEventWithType:RCTTextEventTypeFocus
                                  reactTag:self.reactTag
-                                     text:textView.text
+                                     text:nil
                                       key:nil
                                eventCount:_nativeEventCount];
 }
@@ -385,28 +402,27 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
                                      text:textView.text
                                       key:nil
                                eventCount:_nativeEventCount];
+
+  [_eventDispatcher sendTextEventWithType:RCTTextEventTypeBlur
+                                 reactTag:self.reactTag
+                                     text:nil
+                                      key:nil
+                               eventCount:_nativeEventCount];
+}
+
+- (void)reactWillMakeFirstResponder
+{
+  [_textView reactWillMakeFirstResponder];
 }
 
 - (BOOL)becomeFirstResponder
 {
-  _jsRequestingFirstResponder = YES;
-  BOOL result = [_textView becomeFirstResponder];
-  _jsRequestingFirstResponder = NO;
-  return result;
+  return [_textView becomeFirstResponder];
 }
 
-- (BOOL)resignFirstResponder
+- (void)reactDidMakeFirstResponder
 {
-  [super resignFirstResponder];
-  BOOL result = [_textView resignFirstResponder];
-  if (result) {
-    [_eventDispatcher sendTextEventWithType:RCTTextEventTypeBlur
-                                   reactTag:self.reactTag
-                                       text:_textView.text
-                                        key:nil
-                                 eventCount:_nativeEventCount];
-  }
-  return result;
+  [_textView reactDidMakeFirstResponder];
 }
 
 - (void)layoutSubviews
@@ -415,11 +431,6 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
   [self updateFrames];
 }
 
-- (BOOL)canBecomeFirstResponder
-{
-  return _jsRequestingFirstResponder;
-}
-
 - (UIFont *)defaultPlaceholderFont
 {
   return [UIFont systemFontOfSize:17];