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Fix autocorrect onChangeText firing (#22691) #23666

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Fix autocorrect onChangeText firing (#22691) #23666

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9bfa4fa
Fix autocorrect onChangeText firing (#22691)
ericlewis Feb 27, 2019
3a66142
Revert "Fix autocorrect onChangeText firing (#22691)"
ericlewis Feb 28, 2019
ff110f9
Clean-up
ericlewis Feb 28, 2019
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27 changes: 9 additions & 18 deletions Libraries/Text/TextInput/RCTBackedTextInputDelegateAdapter.m
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Original file line number Diff line number Diff line change
Expand Up @@ -136,12 +136,11 @@ - (void)textFieldProbablyDidChangeSelection

#pragma mark - RCTBackedTextViewDelegateAdapter (for UITextView)

@interface RCTBackedTextViewDelegateAdapter () <UITextViewDelegate>
@interface RCTBackedTextViewDelegateAdapter () <UITextViewDelegate, NSTextStorageDelegate>
@end

@implementation RCTBackedTextViewDelegateAdapter {
__weak UITextView<RCTBackedTextInputViewProtocol> *_backedTextInputView;
BOOL _textDidChangeIsComing;
UITextRange *_previousSelectedTextRange;
}

Expand All @@ -155,6 +154,14 @@ - (instancetype)initWithTextView:(UITextView<RCTBackedTextInputViewProtocol> *)b
return self;
}

#pragma mark - NSTextStorageDelegate
- (void)textStorage:(NSTextStorage *)textStorage
didProcessEditing:(__unused NSTextStorageEditActions)editedMask
range:(__unused NSRange)editedRange
changeInLength:(__unused NSInteger)delta {
[_backedTextInputView.textInputDelegate textInputDidChange];
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I am worried a bit about over-firing. So, e.g. if only text attributes were changed, we don't want to send an event.

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I will check if this is the case & fix it if that does occur.

}

#pragma mark - UITextViewDelegate

- (BOOL)textViewShouldBeginEditing:(__unused UITextView *)textView
Expand All @@ -174,13 +181,6 @@ - (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];
}

Expand All @@ -196,18 +196,9 @@ - (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];
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