From e2f3ca3c4d1df1d558a03ce47e69e334b4615994 Mon Sep 17 00:00:00 2001
From: Juan Tugores <tugorez@google.com>
Date: Wed, 28 Feb 2024 08:53:12 -0800
Subject: [PATCH] Prepend the accessibility placeholder

---
 lib/web_ui/lib/src/engine/platform_dispatcher.dart             | 2 +-
 .../engine/platform_dispatcher/platform_dispatcher_test.dart   | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/web_ui/lib/src/engine/platform_dispatcher.dart b/lib/web_ui/lib/src/engine/platform_dispatcher.dart
index 277fe73018ade..a41aeb2c40f4d 100644
--- a/lib/web_ui/lib/src/engine/platform_dispatcher.dart
+++ b/lib/web_ui/lib/src/engine/platform_dispatcher.dart
@@ -80,7 +80,7 @@ class EnginePlatformDispatcher extends ui.PlatformDispatcher {
     registerHotRestartListener(dispose);
     AppLifecycleState.instance.addListener(_setAppLifecycleState);
     ViewFocusBinding.instance.addListener(invokeOnViewFocusChange);
-    domDocument.body?.append(accessibilityPlaceholder);
+    domDocument.body?.prepend(accessibilityPlaceholder);
     _onViewDisposedListener = viewManager.onViewDisposed.listen((_) {
       // Send a metrics changed event to the framework when a view is disposed.
       // View creation/resize is handled by the `_didResize` handler in the
diff --git a/lib/web_ui/test/engine/platform_dispatcher/platform_dispatcher_test.dart b/lib/web_ui/test/engine/platform_dispatcher/platform_dispatcher_test.dart
index 09d64757b5324..c9f9e69f5b4ad 100644
--- a/lib/web_ui/test/engine/platform_dispatcher/platform_dispatcher_test.dart
+++ b/lib/web_ui/test/engine/platform_dispatcher/platform_dispatcher_test.dart
@@ -409,8 +409,9 @@ void testMain() {
       });
     });
 
-    test('appends an accesibility placeholder', () {
+    test('adds the accesibility placeholder', () {
       expect(dispatcher.accessibilityPlaceholder.isConnected, isTrue);
+      expect(domDocument.body!.children.first, dispatcher.accessibilityPlaceholder);
     });
 
     test('removes the accesibility placeholder', () {