Revert "Fix autocorrect onChangeText firing (facebook#22691)"

This reverts commit 9bfa4fa.

Libraries/Text/TextInput/RCTBackedTextInputDelegateAdapter.m

@@ -16,6 +16,7 @@ @interface RCTBackedTextFieldDelegateAdapter () <UITextFieldDelegate>
 
 @implementation RCTBackedTextFieldDelegateAdapter {
   __weak UITextField<RCTBackedTextInputViewProtocol> *_backedTextInputView;
+  BOOL _textDidChangeIsComing;
   UITextRange *_previousSelectedTextRange;
 }
 
@@ -57,12 +58,22 @@ - (BOOL)textFieldShouldEndEditing:(__unused UITextField *)textField
 
 - (void)textFieldDidEndEditing:(__unused UITextField *)textField
 {
+  if (_textDidChangeIsComing) {
+    // iOS does't call `textViewDidChange:` delegate method if the change was happened because of autocorrection
+    // which was triggered by losing focus. So, we call it manually.
+    _textDidChangeIsComing = NO;
+    [_backedTextInputView.textInputDelegate textInputDidChange];
+  }
+
   [_backedTextInputView.textInputDelegate textInputDidEndEditing];
 }
 
 - (BOOL)textField:(__unused UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
 {
   BOOL result = [_backedTextInputView.textInputDelegate textInputShouldChangeTextInRange:range replacementText:string];
+  if (result) {
+    _textDidChangeIsComing = YES;
+  }
   return result;
 }
 
@@ -75,7 +86,9 @@ - (BOOL)textFieldShouldReturn:(__unused UITextField *)textField
 
 - (void)textFieldDidChange
 {
+  _textDidChangeIsComing = NO;
   [_backedTextInputView.textInputDelegate textInputDidChange];
+
   // `selectedTextRangeWasSet` isn't triggered during typing.
   [self textFieldProbablyDidChangeSelection];
 }
@@ -123,11 +136,12 @@ - (void)textFieldProbablyDidChangeSelection
 
 #pragma mark - RCTBackedTextViewDelegateAdapter (for UITextView)
 
-@interface RCTBackedTextViewDelegateAdapter () <UITextViewDelegate, NSTextStorageDelegate>
+@interface RCTBackedTextViewDelegateAdapter () <UITextViewDelegate>
 @end
 
 @implementation RCTBackedTextViewDelegateAdapter {
   __weak UITextView<RCTBackedTextInputViewProtocol> *_backedTextInputView;
+  BOOL _textDidChangeIsComing;
   UITextRange *_previousSelectedTextRange;
 }
 
@@ -136,21 +150,11 @@ - (instancetype)initWithTextView:(UITextView<RCTBackedTextInputViewProtocol> *)b
   if (self = [super init]) {
     _backedTextInputView = backedTextInputView;
     backedTextInputView.delegate = self;
-    backedTextInputView.textStorage.delegate = self;
   }
 
   return self;
 }
 
-#pragma mark -
-- (void)textStorage:(NSTextStorage *)textStorage
-  didProcessEditing:(__unused NSTextStorageEditActions)editedMask
-              range:(__unused NSRange)editedRange
-     changeInLength:(__unused NSInteger)delta {
-  [_backedTextInputView.textInputDelegate textInputDidChange];
-}
-
-
 #pragma mark - UITextViewDelegate
 
 - (BOOL)textViewShouldBeginEditing:(__unused UITextView *)textView
@@ -170,6 +174,13 @@ - (BOOL)textViewShouldEndEditing:(__unused UITextView *)textView
 
 - (void)textViewDidEndEditing:(__unused UITextView *)textView
 {
+  if (_textDidChangeIsComing) {
+    // iOS does't call `textViewDidChange:` delegate method if the change was happened because of autocorrection
+    // which was triggered by losing focus. So, we call it manually.
+    _textDidChangeIsComing = NO;
+    [_backedTextInputView.textInputDelegate textInputDidChange];
+  }
+
   [_backedTextInputView.textInputDelegate textInputDidEndEditing];
 }
 
@@ -185,9 +196,18 @@ - (BOOL)textView:(__unused UITextView *)textView shouldChangeTextInRange:(NSRang
   }
 
   BOOL result = [_backedTextInputView.textInputDelegate textInputShouldChangeTextInRange:range replacementText:text];
+  if (result) {
+    _textDidChangeIsComing = YES;
+  }
   return result;
 }
 
+- (void)textViewDidChange:(__unused UITextView *)textView
+{
+  _textDidChangeIsComing = NO;
+  [_backedTextInputView.textInputDelegate textInputDidChange];
+}
+
 - (void)textViewDidChangeSelection:(__unused UITextView *)textView
 {
   [self textViewProbablyDidChangeSelection];