From 07b5802ee5e87c490f5401f6b788a08ec28ef365 Mon Sep 17 00:00:00 2001
From: Devan Buggay <devanb@meta.com>
Date: Thu, 18 Sep 2025 00:36:55 -0700
Subject: [PATCH] focus/blur event emission (#53826)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53826

Wires up focus/blur events to the base event emitter, gated by enabledImperativeFocus feature flag.

https://docs.google.com/document/d/1L4ViBnXq5hw858VoecZPmJE2llOB97Tjs2VtJ7RHlNI/edit?tab=t.0

Changelog: [Internal]

Reviewed By: rozele

Differential Revision: D82146275

fbshipit-source-id: 4b7bb1336f74bb0de2d7ecf0737dd63067bd558f
---
 .../renderer/components/view/BaseViewEventEmitter.cpp    | 9 +++++++++
 .../renderer/components/view/BaseViewEventEmitter.h      | 4 ++++
 2 files changed, 13 insertions(+)

diff --git a/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.cpp b/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.cpp
index 506041daf32..4e981efd3f8 100644
--- a/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.cpp
@@ -112,4 +112,13 @@ void BaseViewEventEmitter::onLayout(const LayoutMetrics& layoutMetrics) const {
   });
 }
 
+#pragma mark - Focus
+void BaseViewEventEmitter::onFocus() const {
+  dispatchEvent("focus");
+}
+
+void BaseViewEventEmitter::onBlur() const {
+  dispatchEvent("blur");
+}
+
 } // namespace facebook::react
diff --git a/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.h b/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.h
index 584bc01239c..4b3c59b95bf 100644
--- a/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.h
+++ b/packages/react-native/ReactCommon/react/renderer/components/view/BaseViewEventEmitter.h
@@ -32,6 +32,10 @@ class BaseViewEventEmitter : public TouchEventEmitter {
 
   void onLayout(const LayoutMetrics& layoutMetrics) const;
 
+#pragma mark - Focus
+  void onFocus() const;
+  void onBlur() const;
+
  private:
   /*
    * Contains the most recent `frame` and a `mutex` protecting access to it.