Fixes TextInput crashes when any text is entered while running as iOS app on apple silicon mac (#49320)

Summary:
Fixes #48544. We can make `RCTWeakEventEmitterWrapper` to subclass `NSDictionary` that Textinput supports encode it.

System allowed classes are:
```
Allowed classes are:
 {(
    "'NSMorphology' (0x20088b6d8) [/System/Library/Frameworks/Foundation.framework]",
    "'NSString' (0x2003f4738) [/System/Library/Frameworks/Foundation.framework]",
    "'NSInflectionRule' (0x20088d348) [/System/Library/Frameworks/Foundation.framework]",
    "'UIColor' (0x2006c0520) [/System/iOSSupport/System/Library/PrivateFrameworks/UIKitCore.framework]",
    "'NSTextAttachment' (0x20042af98) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSShadow' (0x20042ae30) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSTextEncapsulation' (0x200897e50) [/System/Library/Frameworks/CoreText.framework]",
    "'NSTextAlternatives' (0x20042af70) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSFont' (0x20042a9f8) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSAttributedString' (0x2003f3838) [/System/Library/Frameworks/Foundation.framework]",
    "'NSData' (0x2003ed528) [/System/Library/Frameworks/CoreFoundation.framework]",
    "'NSURL' (0x2003ed938) [/System/Library/Frameworks/CoreFoundation.framework]",
    "'NSAdaptiveImageGlyph' (0x2008ae538) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSNumber' (0x2003f4238) [/System/Library/Frameworks/Foundation.framework]",
    "'NSParagraphStyle' (0x20042ad40) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSDictionary' (0x2003ed5a0) [/System/Library/Frameworks/CoreFoundation.framework]",
    "'UIFont' (0x20042c668) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSColor' (0x200412350) [/System/Library/Frameworks/AppKit.framework]",
    "'NSGlyphInfo' (0x20042aa98) [/System/Library/PrivateFrameworks/UIFoundation.framework]",
    "'NSArray' (0x2003ed460) [/System/Library/Frameworks/CoreFoundation.framework]",
    "'NSPresentationIntent' (0x20088da28) [/System/Library/Frameworks/Foundation.framework]"
)}
```

## Changelog:

[IOS] [FIXED] -  Fixes TextInput crashes when any text is entered while running as iOS app on apple silicon mac

Pull Request resolved: #49320

Test Plan:
Run RNTester on apple silicon mac, and entered some text in textinput, no crash occured. Also, verified that the caret was not jumping around, thus preserving the original fix.

https://github.com/user-attachments/assets/6304f6e7-c663-4351-ace8-ab1842ee545f

Reviewed By: javache

Differential Revision: D69981500

Pulled By: cipolleschi

fbshipit-source-id: 2af9b280e42f621446efda9b101af50525e8fef7

Author: zhongwuzw

packages/react-native/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm

@@ -99,11 +99,7 @@ - (void)updateEventEmitter:(const EventEmitter::Shared &)eventEmitter
   NSMutableDictionary<NSAttributedStringKey, id> *defaultAttributes =
       [_backedTextInputView.defaultTextAttributes mutableCopy];
 
-#if !TARGET_OS_MACCATALYST
-  RCTWeakEventEmitterWrapper *eventEmitterWrapper = [RCTWeakEventEmitterWrapper new];
-  eventEmitterWrapper.eventEmitter = _eventEmitter;
-  defaultAttributes[RCTAttributedStringEventEmitterKey] = eventEmitterWrapper;
-#endif
+  defaultAttributes[RCTAttributedStringEventEmitterKey] = RCTWrapEventEmitter(_eventEmitter);
 
   _backedTextInputView.defaultTextAttributes = defaultAttributes;
 }
@@ -263,10 +259,8 @@ - (void)updateProps:(const Props::Shared &)props oldProps:(const Props::Shared &
   if (newTextInputProps.textAttributes != oldTextInputProps.textAttributes) {
     NSMutableDictionary<NSAttributedStringKey, id> *defaultAttributes =
         RCTNSTextAttributesFromTextAttributes(newTextInputProps.getEffectiveTextAttributes(RCTFontSizeMultiplier()));
-#if !TARGET_OS_MACCATALYST
     defaultAttributes[RCTAttributedStringEventEmitterKey] =
         _backedTextInputView.defaultTextAttributes[RCTAttributedStringEventEmitterKey];
-#endif
     _backedTextInputView.defaultTextAttributes = defaultAttributes;
   }
 

packages/react-native/ReactCommon/react/renderer/textlayoutmanager/platform/ios/react/renderer/textlayoutmanager/RCTAttributedTextUtils.h

@@ -52,8 +52,29 @@ BOOL RCTIsAttributedStringEffectivelySame(
     NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes,
     const facebook::react::TextAttributes &baseTextAttributes);
 
-@interface RCTWeakEventEmitterWrapper : NSObject
-@property (nonatomic, assign) facebook::react::SharedEventEmitter eventEmitter;
-@end
+static inline NSData *RCTWrapEventEmitter(const facebook::react::SharedEventEmitter &eventEmitter)
+{
+  auto eventEmitterPtr = new std::weak_ptr<const facebook::react::EventEmitter>(eventEmitter);
+  return [[NSData alloc] initWithBytesNoCopy:eventEmitterPtr
+                                      length:sizeof(eventEmitterPtr)
+                                 deallocator:^(void *ptrToDelete, NSUInteger) {
+                                   delete (std::weak_ptr<facebook::react::EventEmitter> *)ptrToDelete;
+                                 }];
+}
+
+static inline facebook::react::SharedEventEmitter RCTUnwrapEventEmitter(NSData *data)
+{
+  if (data.length == 0) {
+    return nullptr;
+  }
+
+  auto weakPtr = dynamic_cast<std::weak_ptr<const facebook::react::EventEmitter> *>(
+      (std::weak_ptr<const facebook::react::EventEmitter> *)data.bytes);
+  if (weakPtr) {
+    return weakPtr->lock();
+  }
+
+  return nullptr;
+}
 
 NS_ASSUME_NONNULL_END

packages/react-native/ReactCommon/react/renderer/textlayoutmanager/platform/ios/react/renderer/textlayoutmanager/RCTAttributedTextUtils.mm

@@ -16,45 +16,6 @@
 
 using namespace facebook::react;
 
-@implementation RCTWeakEventEmitterWrapper {
-  std::weak_ptr<const EventEmitter> _weakEventEmitter;
-}
-
-- (void)setEventEmitter:(SharedEventEmitter)eventEmitter
-{
-  _weakEventEmitter = eventEmitter;
-}
-
-- (SharedEventEmitter)eventEmitter
-{
-  return _weakEventEmitter.lock();
-}
-
-- (void)dealloc
-{
-  _weakEventEmitter.reset();
-}
-
-- (BOOL)isEqual:(id)object
-{
-  // We consider the underlying EventEmitter as the identity
-  if (![object isKindOfClass:[self class]]) {
-    return NO;
-  }
-
-  auto thisEventEmitter = [self eventEmitter];
-  auto otherEventEmitter = [((RCTWeakEventEmitterWrapper *)object) eventEmitter];
-  return thisEventEmitter == otherEventEmitter;
-}
-
-- (NSUInteger)hash
-{
-  // We consider the underlying EventEmitter as the identity
-  return (NSUInteger)_weakEventEmitter.lock().get();
-}
-
-@end
-
 inline static UIFontWeight RCTUIFontWeightFromInteger(NSInteger fontWeight)
 {
   assert(fontWeight > 50);
@@ -405,18 +366,15 @@ void RCTApplyBaselineOffset(NSMutableAttributedString *attributedText)
 {
   auto nsAttributedStringFragment = RCTNSAttributedStringFragmentFromFragment(fragment, placeholderImage);
 
-#if !TARGET_OS_MACCATALYST
   if (fragment.parentShadowView.componentHandle) {
-    RCTWeakEventEmitterWrapper *eventEmitterWrapper = [RCTWeakEventEmitterWrapper new];
-    eventEmitterWrapper.eventEmitter = fragment.parentShadowView.eventEmitter;
+    auto eventEmitterWrapper = RCTWrapEventEmitter(fragment.parentShadowView.eventEmitter);
 
     NSDictionary<NSAttributedStringKey, id> *additionalTextAttributes =
         @{RCTAttributedStringEventEmitterKey : eventEmitterWrapper};
 
     [nsAttributedStringFragment addAttributes:additionalTextAttributes
                                         range:NSMakeRange(0, nsAttributedStringFragment.length)];
   }
-#endif
 
   return nsAttributedStringFragment;
 }

packages/react-native/ReactCommon/react/renderer/textlayoutmanager/platform/ios/react/renderer/textlayoutmanager/RCTTextLayoutManager.mm

@@ -280,11 +280,10 @@ - (SharedEventEmitter)getEventEmitterWithAttributeString:(AttributedString)attri
   // after (fraction == 1.0) the last character, then the attribute is valid.
   if (textStorage.length > 0 && (fraction > 0 || characterIndex > 0) &&
       (fraction < 1 || characterIndex < textStorage.length - 1)) {
-    RCTWeakEventEmitterWrapper *eventEmitterWrapper =
-        (RCTWeakEventEmitterWrapper *)[textStorage attribute:RCTAttributedStringEventEmitterKey
-                                                     atIndex:characterIndex
-                                              effectiveRange:NULL];
-    return eventEmitterWrapper.eventEmitter;
+    NSData *eventEmitterWrapper = (NSData *)[textStorage attribute:RCTAttributedStringEventEmitterKey
+                                                           atIndex:characterIndex
+                                                    effectiveRange:NULL];
+    return RCTUnwrapEventEmitter(eventEmitterWrapper);
   }
 
   return nil;