implement SchedulerDelegateProxy::schedulerShouldSynchronouslyUpdateViewOnUIThread

Differential Revision: D74739294

Author: sammy-SC

packages/react-native/React/Fabric/RCTScheduler.h

@@ -42,6 +42,7 @@ NS_ASSUME_NONNULL_BEGIN
                 blockNativeResponder:(BOOL)blockNativeResponder
                        forShadowView:(const facebook::react::ShadowView &)shadowView;
 
+- (void)schedulerDidSynchronouslyUpdateViewOnUIThread:(facebook::react::Tag)reactTag props:(folly::dynamic)props;
 @end
 
 /**

packages/react-native/React/Fabric/RCTScheduler.mm

@@ -70,8 +70,8 @@ void schedulerDidSendAccessibilityEvent(const ShadowView &shadowView, const std:
 
   void schedulerShouldSynchronouslyUpdateViewOnUIThread(facebook::react::Tag tag, const folly::dynamic &props) override
   {
-    // Does nothing.
-    // This delegate method is not currently used on iOS.
+    RCTScheduler *scheduler = (__bridge RCTScheduler *)scheduler_;
+    [scheduler.delegate schedulerDidSynchronouslyUpdateViewOnUIThread:tag props:props];
   }
 
  private:

packages/react-native/React/Fabric/RCTSurfacePresenter.h

@@ -66,6 +66,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (nullable RCTFabricSurface *)surfaceForRootTag:(ReactTag)rootTag;
 
 - (void)synchronouslyUpdateViewOnUIThread:(ReactTag)reactTag props:(folly::dynamic)props;
+- (void)schedulerDidSynchronouslyUpdateViewOnUIThread:(ReactTag)reactTag props:(folly::dynamic)props;
 
 - (void)setupAnimationDriverWithSurfaceHandler:(const facebook::react::SurfaceHandler &)surfaceHandler;
 

packages/react-native/React/Fabric/RCTSurfacePresenter.mm

@@ -148,6 +148,11 @@ - (UIView *)findComponentViewWithTag_DO_NOT_USE_DEPRECATED:(NSInteger)tag
   return componentView;
 }
 
+- (void)schedulerDidSynchronouslyUpdateViewOnUIThread:(ReactTag)reactTag props:(folly::dynamic)props
+{
+  [self synchronouslyUpdateViewOnUIThread:reactTag props:std::move(props)];
+}
+
 - (void)synchronouslyUpdateViewOnUIThread:(ReactTag)reactTag props:(folly::dynamic)props
 {
   RCTScheduler *scheduler = [self scheduler];