Don't duplicate getViewportOffset logic

Author: zoontek

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/runtime/ReactSurfaceView.kt

@@ -10,13 +10,10 @@
 package com.facebook.react.runtime
 
 import android.content.Context
-import android.graphics.Point
 import android.graphics.Rect
 import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.View
-import androidx.core.view.ViewCompat
-import androidx.core.view.WindowInsetsCompat
 import com.facebook.common.logging.FLog
 import com.facebook.react.ReactRootView
 import com.facebook.react.bridge.ReactContext
@@ -28,8 +25,8 @@ import com.facebook.react.uimanager.IllegalViewOperationException
 import com.facebook.react.uimanager.JSKeyDispatcher
 import com.facebook.react.uimanager.JSPointerDispatcher
 import com.facebook.react.uimanager.JSTouchDispatcher
+import com.facebook.react.uimanager.RootViewUtil
 import com.facebook.react.uimanager.common.UIManagerType
-import com.facebook.react.views.view.isEdgeToEdgeFeatureFlagOn
 import com.facebook.systrace.Systrace
 import java.util.Objects
 import kotlin.math.max
@@ -48,28 +45,6 @@ public class ReactSurfaceView(context: Context?, internal val surface: ReactSurf
   private var widthMeasureSpec = 0
   private var heightMeasureSpec = 0
 
-  private val viewportOffset: Point
-    get() {
-      val locationInWindow = IntArray(2)
-      getLocationInWindow(locationInWindow)
-
-      if (!isEdgeToEdgeFeatureFlagOn) {
-        // When not in edge-to-edge mode, subtract the top system bar insets so the offset is
-        // relative to the content area (below the status bar / cutout).
-        ViewCompat.getRootWindowInsets(this)?.apply {
-          val insets =
-              getInsets(
-                  WindowInsetsCompat.Type.statusBars() or WindowInsetsCompat.Type.displayCutout()
-              )
-
-          locationInWindow[0] -= insets.left
-          locationInWindow[1] -= insets.top
-        }
-      }
-
-      return Point(locationInWindow[0], locationInWindow[1])
-    }
-
   init {
     if (ReactFeatureFlags.dispatchPointerEvents) {
       jsPointerDispatcher = JSPointerDispatcher(this)
@@ -107,7 +82,7 @@ public class ReactSurfaceView(context: Context?, internal val surface: ReactSurf
     wasMeasured = true
     this.widthMeasureSpec = widthMeasureSpec
     this.heightMeasureSpec = heightMeasureSpec
-    val viewportOffset = viewportOffset
+    val viewportOffset = RootViewUtil.getViewportOffset(this)
     surface.updateLayoutSpecs(
         widthMeasureSpec,
         heightMeasureSpec,
@@ -120,7 +95,7 @@ public class ReactSurfaceView(context: Context?, internal val surface: ReactSurf
   override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
     // Call updateLayoutSpecs to update locationOnScreen offsets, in case they've changed
     if (wasMeasured && changed) {
-      val viewportOffset = viewportOffset
+      val viewportOffset = RootViewUtil.getViewportOffset(this)
       surface.updateLayoutSpecs(
           widthMeasureSpec,
           heightMeasureSpec,