From dfb52223e02ba2c727c8f2561ea6bf388535a349 Mon Sep 17 00:00:00 2001
From: Serhii <borodenko.sv@gmail.com>
Date: Tue, 8 Nov 2022 17:49:51 +0200
Subject: [PATCH] fix increasing brightness

brightness decreases after leaving "gift card barcode screen"
---
 lib/main.dart                                 |  2 +
 .../cards/ionia_gift_card_detail_page.dart    | 16 +++--
 lib/utils/route_aware.dart                    | 65 +++++++++++++++++++
 3 files changed, 76 insertions(+), 7 deletions(-)
 create mode 100644 lib/utils/route_aware.dart

diff --git a/lib/main.dart b/lib/main.dart
index 3cd5679b3..035552eb7 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -40,6 +40,7 @@ import 'package:cake_wallet/wallet_type_utils.dart';
 
 final navigatorKey = GlobalKey<NavigatorState>();
 final rootKey = GlobalKey<RootState>();
+final RouteObserver<PageRoute> routeObserver = RouteObserver<PageRoute>();
 
 Future<void> main() async {
   try {
@@ -282,6 +283,7 @@ class AppState extends State<App> with SingleTickerProviderStateMixin {
           authenticationStore: authenticationStore,
           navigatorKey: navigatorKey,
           child: MaterialApp(
+            navigatorObservers: [routeObserver],
             navigatorKey: navigatorKey,
             debugShowCheckedModeBanner: false,
             theme: settingsStore.theme,
diff --git a/lib/src/screens/ionia/cards/ionia_gift_card_detail_page.dart b/lib/src/screens/ionia/cards/ionia_gift_card_detail_page.dart
index 1c768fa17..d2ff358ee 100644
--- a/lib/src/screens/ionia/cards/ionia_gift_card_detail_page.dart
+++ b/lib/src/screens/ionia/cards/ionia_gift_card_detail_page.dart
@@ -11,6 +11,7 @@ import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
 import 'package:cake_wallet/typography.dart';
 import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
+import 'package:cake_wallet/utils/route_aware.dart';
 import 'package:cake_wallet/view_model/ionia/ionia_gift_card_details_view_model.dart';
 import 'package:device_display_brightness/device_display_brightness.dart';
 import 'package:flutter/material.dart';
@@ -47,10 +48,7 @@ class IoniaGiftCardDetailPage extends BasePage {
               //highlightColor: Colors.transparent,
               //splashColor: Colors.transparent,
               //padding: EdgeInsets.all(0),
-              onPressed: () {
-                onClose(context);
-                DeviceDisplayBrightness.setBrightness(viewModel.brightness);
-              },
+              onPressed: ()=> onClose(context),
               child: _backButton),
         ),
       ),
@@ -67,7 +65,6 @@ class IoniaGiftCardDetailPage extends BasePage {
 
   @override
   Widget body(BuildContext context) {
-    viewModel.increaseBrightness();
     reaction((_) => viewModel.redeemState, (ExecutionState state) {
       if (state is FailureState) {
         WidgetsBinding.instance.addPostFrameCallback((_) {
@@ -84,7 +81,12 @@ class IoniaGiftCardDetailPage extends BasePage {
       }
     });
 
-    return ScrollableWithBottomSection(
+    return RouteAwareWidget(
+        pushToWidget: ()=> viewModel.increaseBrightness(),
+        pushToNextWidget: ()=> DeviceDisplayBrightness.setBrightness(viewModel.brightness),
+        popNextWidget: ()=> viewModel.increaseBrightness(),
+        popWidget: ()=> DeviceDisplayBrightness.setBrightness(viewModel.brightness),
+      child: ScrollableWithBottomSection(
       contentPadding: EdgeInsets.all(24),
       content: Column(
         children: [
@@ -163,7 +165,7 @@ class IoniaGiftCardDetailPage extends BasePage {
           },
         ),
       ),
-    );
+    ));
   }
 
   Widget buildIoniaTile(BuildContext context, {required String title, required String subTitle}) {
diff --git a/lib/utils/route_aware.dart b/lib/utils/route_aware.dart
new file mode 100644
index 000000000..28c72c4a4
--- /dev/null
+++ b/lib/utils/route_aware.dart
@@ -0,0 +1,65 @@
+import 'package:flutter/material.dart';
+import 'package:cake_wallet/main.dart';
+
+class RouteAwareWidget extends StatefulWidget {
+  RouteAwareWidget(
+      {required this.child,
+      this.pushToWidget,
+      this.pushToNextWidget,
+      this.popWidget,
+      this.popNextWidget});
+
+  final Widget child;
+  final Function()? pushToWidget;
+  final Function()? pushToNextWidget;
+  final Function()? popWidget;
+  final Function()? popNextWidget;
+
+  @override
+  State<RouteAwareWidget> createState() => RouteAwareWidgetState();
+}
+
+class RouteAwareWidgetState extends State<RouteAwareWidget> with RouteAware {
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    routeObserver.subscribe(this, ModalRoute.of(context) as PageRoute);
+  }
+
+  @override
+  void dispose() {
+    routeObserver.unsubscribe(this);
+    super.dispose();
+  }
+
+  @override
+  void didPush() {
+    if (widget.pushToWidget != null) {
+      widget.pushToWidget!();
+    }
+  }
+
+  @override
+  void didPushNext() {
+    if (widget.pushToNextWidget != null) {
+      widget.pushToNextWidget!();
+    }
+  }
+
+  @override
+  void didPop() {
+    if (widget.popWidget != null) {
+      widget.popWidget!();
+    }
+  }
+
+  @override
+  void didPopNext() {
+    if (widget.popNextWidget != null) {
+      widget.popNextWidget!();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) => widget.child;
+}