From 821a11781249f77d18885baa52a7f1fe45c3457a Mon Sep 17 00:00:00 2001
From: Patrick Wulfe <wulfep@autonation.com>
Date: Mon, 18 Dec 2023 11:11:13 -0800
Subject: [PATCH 1/2] Fix for 'dirty' error caused by scroll notifications
 during layout

---
 lib/src/scroll_shadow.dart | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/src/scroll_shadow.dart b/lib/src/scroll_shadow.dart
index aa0df42..8366d0a 100644
--- a/lib/src/scroll_shadow.dart
+++ b/lib/src/scroll_shadow.dart
@@ -63,14 +63,18 @@ class _ScrollShadowState extends State<ScrollShadow> {
 
   set reachedStart(final bool value) {
     if (_reachedStart == value) return;
-    setState(() => _reachedStart = value);
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      setState(() => _reachedStart = value);
+    });
   }
 
   bool get reachedEnd => _reachedEnd;
 
   set reachedEnd(final bool value) {
     if (_reachedEnd == value) return;
-    setState(() => _reachedEnd = value);
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      setState(() => _reachedEnd = value);
+    });
   }
 
   @override
@@ -186,7 +190,9 @@ class _ScrollShadowState extends State<ScrollShadow> {
 
   bool _handleNewMetrics(final ScrollMetrics metrics) {
     if (_axis != metrics.axis) {
-      setState(() => _axis = metrics.axis);
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        setState(() => _axis = metrics.axis);
+      });
     }
     reachedStart = metrics.pixels <= metrics.minScrollExtent;
     reachedEnd = metrics.pixels >= metrics.maxScrollExtent;

From e06e964254ecd4138a3a724b2eb85c617d30201a Mon Sep 17 00:00:00 2001
From: Patrick Wulfe <wulfep@autonation.com>
Date: Mon, 18 Dec 2023 11:21:23 -0800
Subject: [PATCH 2/2] Fix for 'dirty' state caused by setState during build

---
 lib/src/scroll_shadow.dart | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/src/scroll_shadow.dart b/lib/src/scroll_shadow.dart
index 8366d0a..f2a9a59 100644
--- a/lib/src/scroll_shadow.dart
+++ b/lib/src/scroll_shadow.dart
@@ -1,6 +1,8 @@
 /// [ScrollShadow] class
 library flutter_scroll_shadow;
 
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 
 /// Wraps a scrollable child in `ScrollShadow`s.
@@ -63,7 +65,7 @@ class _ScrollShadowState extends State<ScrollShadow> {
 
   set reachedStart(final bool value) {
     if (_reachedStart == value) return;
-    WidgetsBinding.instance.addPostFrameCallback((_) {
+    scheduleMicrotask(() {
       setState(() => _reachedStart = value);
     });
   }
@@ -72,7 +74,7 @@ class _ScrollShadowState extends State<ScrollShadow> {
 
   set reachedEnd(final bool value) {
     if (_reachedEnd == value) return;
-    WidgetsBinding.instance.addPostFrameCallback((_) {
+    scheduleMicrotask(() {
       setState(() => _reachedEnd = value);
     });
   }
@@ -190,7 +192,7 @@ class _ScrollShadowState extends State<ScrollShadow> {
 
   bool _handleNewMetrics(final ScrollMetrics metrics) {
     if (_axis != metrics.axis) {
-      WidgetsBinding.instance.addPostFrameCallback((_) {
+      scheduleMicrotask(() {
         setState(() => _axis = metrics.axis);
       });
     }