From 6fb692da0ced9c4a71ec9705773eb00c7a322492 Mon Sep 17 00:00:00 2001
From: ryleedavis <rylee@cypherstack.com>
Date: Fri, 3 Mar 2023 10:27:20 -0700
Subject: [PATCH] stack icon rotates

---
 lib/pages/home_view/home_view.dart            | 21 ++++-
 lib/widgets/animated_widgets/rotate_icon.dart | 76 +++++++++++++++++++
 2 files changed, 93 insertions(+), 4 deletions(-)
 create mode 100644 lib/widgets/animated_widgets/rotate_icon.dart

diff --git a/lib/pages/home_view/home_view.dart b/lib/pages/home_view/home_view.dart
index 71acb919b..c5c253a01 100644
--- a/lib/pages/home_view/home_view.dart
+++ b/lib/pages/home_view/home_view.dart
@@ -17,6 +17,7 @@ import 'package:stackwallet/utilities/assets.dart';
 import 'package:stackwallet/utilities/constants.dart';
 import 'package:stackwallet/utilities/text_styles.dart';
 import 'package:stackwallet/utilities/theme/stack_colors.dart';
+import 'package:stackwallet/widgets/animated_widgets/rotate_icon.dart';
 import 'package:stackwallet/widgets/background.dart';
 import 'package:stackwallet/widgets/custom_buttons/app_bar_icon_button.dart';
 import 'package:stackwallet/widgets/stack_dialog.dart';
@@ -34,6 +35,7 @@ class _HomeViewState extends ConsumerState<HomeView> {
   final GlobalKey<ScaffoldState> _key = GlobalKey<ScaffoldState>();
 
   late final PageController _pageController;
+  late final RotateIconController _rotateIconController;
 
   late final List<Widget> _children;
 
@@ -102,6 +104,7 @@ class _HomeViewState extends ConsumerState<HomeView> {
   @override
   void initState() {
     _pageController = PageController();
+    _rotateIconController = RotateIconController();
     _children = [
       const WalletsView(),
       if (Constants.enableExchange)
@@ -131,6 +134,9 @@ class _HomeViewState extends ConsumerState<HomeView> {
   @override
   dispose() {
     _pageController.dispose();
+    _rotateIconController.forward = null;
+    _rotateIconController.reverse = null;
+    _rotateIconController.reset = null;
     super.dispose();
   }
 
@@ -138,6 +144,8 @@ class _HomeViewState extends ConsumerState<HomeView> {
   int _hiddenCount = 0;
 
   void _hiddenOptions() {
+    _rotateIconController.reset?.call();
+    _rotateIconController.forward?.call();
     if (_hiddenCount == 5) {
       Navigator.of(context).pushNamed(HiddenSettings.routeName);
     }
@@ -168,10 +176,15 @@ class _HomeViewState extends ConsumerState<HomeView> {
               children: [
                 GestureDetector(
                   onTap: _hiddenOptions,
-                  child: SvgPicture.asset(
-                    Assets.svg.stackIcon(context),
-                    width: 24,
-                    height: 24,
+                  child: RotateIcon(
+                    icon: SvgPicture.asset(
+                      Assets.svg.stackIcon(context),
+                      width: 24,
+                      height: 24,
+                    ),
+                    curve: Curves.easeInOutCubic,
+                    rotationPercent: 1.0,
+                    controller: _rotateIconController,
                   ),
                 ),
                 const SizedBox(
diff --git a/lib/widgets/animated_widgets/rotate_icon.dart b/lib/widgets/animated_widgets/rotate_icon.dart
new file mode 100644
index 000000000..d93f6b36a
--- /dev/null
+++ b/lib/widgets/animated_widgets/rotate_icon.dart
@@ -0,0 +1,76 @@
+import 'package:flutter/widgets.dart';
+
+class RotateIconController {
+  VoidCallback? forward;
+  VoidCallback? reverse;
+  VoidCallback? reset;
+}
+
+class RotateIcon extends StatefulWidget {
+  const RotateIcon({
+    Key? key,
+    required this.icon,
+    required this.curve,
+    this.controller,
+    this.animationDurationMultiplier = 1.0,
+    this.rotationPercent = 0.5,
+  }) : super(key: key);
+
+  final Widget icon;
+  final Curve curve;
+  final RotateIconController? controller;
+  final double animationDurationMultiplier;
+  final double rotationPercent;
+
+  @override
+  State<RotateIcon> createState() => _RotateIconState();
+}
+
+class _RotateIconState extends State<RotateIcon>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController animationController;
+  late final Animation<double> animation;
+  late final Duration duration;
+
+  @override
+  void initState() {
+    duration = Duration(
+      milliseconds: (500 * widget.animationDurationMultiplier).toInt(),
+    );
+    animationController = AnimationController(
+      vsync: this,
+      duration: duration,
+    );
+    animation = Tween<double>(
+      begin: 0.0,
+      end: widget.rotationPercent,
+    ).animate(
+      CurvedAnimation(
+        curve: widget.curve,
+        parent: animationController,
+      ),
+    );
+
+    widget.controller?.forward = animationController.forward;
+    widget.controller?.reverse = animationController.reverse;
+    widget.controller?.reset = animationController.reset;
+
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    animationController.dispose();
+    widget.controller?.forward = null;
+    widget.controller?.reverse = null;
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RotationTransition(
+      turns: animation,
+      child: widget.icon,
+    );
+  }
+}