Can configure push notifications from tour

lib/ui/routes/TourRoute.dart

@@ -1,6 +1,7 @@
 import 'package:comunic/helpers/preferences_helper.dart';
 import 'package:comunic/helpers/users_helper.dart';
 import 'package:comunic/models/user.dart';
+import 'package:comunic/ui/routes/push_notifications_route.dart';
 import 'package:comunic/ui/routes/settings/account_image_settings.dart';
 import 'package:comunic/ui/widgets/account_image_widget.dart';
 import 'package:comunic/ui/widgets/async_screen_widget.dart';
@@ -25,6 +26,8 @@ class TourRoute extends StatefulWidget {
 
 class _TourRouteState extends State<TourRoute> {
   final key = GlobalKey<AsyncScreenWidgetState>();
+  final _pushNotificationsKey =
+      GlobalKey<PushNotificationsConfigurationWidgetState>();
 
   User currUser;
 
@@ -37,6 +40,8 @@ class _TourRouteState extends State<TourRoute> {
 
   List<Widget> get _list => [
         _FirstPane(),
+
+        // Account image
         _PresentationPane(
           iconWidget: AccountImageWidget(user: currUser, width: 50),
           title: tr("Account image"),
@@ -49,6 +54,20 @@ class _TourRouteState extends State<TourRoute> {
             await key.currentState.refresh();
           },
         ),
+
+        // Notifications
+        _PresentationPane(
+          icon: Icons.notifications,
+          title: tr("Push notifications"),
+          child: (c) => PushNotificationsConfigurationWidget(
+            key: _pushNotificationsKey,
+            onConfigured: () => setState(() {}),
+            onChanged: () => setState(() {}),
+          ),
+          canGoNext: _pushNotificationsKey?.currentState?.canSubmit ?? false,
+          onTapNext: (c) => _pushNotificationsKey.currentState.submit(),
+        ),
+
         _PresentationPane(
           icon: Icons.group_add,
           title: tr("Friends"),
@@ -111,6 +130,13 @@ class __RouteBodyState extends State<_RouteBody> {
 
   bool get _isLastPane => _controller.index >= widget.panes.length - 1;
 
+  _PresentationPane get _currPane =>
+      widget.panes[_controller.index] is _PresentationPane
+          ? widget.panes[_controller.index]
+          : null;
+
+  bool get _canGoNext => _currPane?.canGoNext ?? true;
+
   @override
   void didUpdateWidget(_RouteBody oldWidget) {
     super.didUpdateWidget(oldWidget);
@@ -134,12 +160,17 @@ class __RouteBodyState extends State<_RouteBody> {
         child: Column(
           children: <Widget>[
             Spacer(flex: 1),
-            Expanded(child: TabBarView(children: widget.panes), flex: 5),
+            Expanded(
+                child: TabBarView(
+                  children: widget.panes,
+                  physics: NeverScrollableScrollPhysics(),
+                ),
+                flex: 10),
             Spacer(flex: 1),
             TabPageSelector(selectedColor: Colors.white),
             Spacer(flex: 1),
             OutlinedButton(
-              onPressed: _nextOrFinish,
+              onPressed: _canGoNext ? _nextOrFinish : null,
               child: Text(!_isLastPane ? tr("Next") : tr("Let's go!")),
             ),
             Spacer(flex: 1),
@@ -148,8 +179,14 @@ class __RouteBodyState extends State<_RouteBody> {
       );
 
   void _nextOrFinish() async {
-    if (!_controller.indexIsChanging) {
+    if (_controller.indexIsChanging) return;
+
     if (!_isLastPane) {
+      // Check if the next click has to be captured
+      if (_currPane?.onTapNext != null) {
+        if (!await _currPane.onTapNext(context)) return;
+      }
+
       _controller.animateTo(_controller.index + 1);
     } else {
       (await PreferencesHelper.getInstance())
@@ -158,33 +195,40 @@ class __RouteBodyState extends State<_RouteBody> {
     }
   }
 }
-}
 
 class _PresentationPane extends StatelessWidget {
   final IconData icon;
   final Widget iconWidget;
   final String title;
   final String text;
+  final Function(BuildContext) child;
   final String actionTitle;
   final Function(BuildContext) onActionTap;
+  final bool canGoNext;
+  final Future<bool> Function(BuildContext) onTapNext;
 
   const _PresentationPane({
     Key key,
     this.icon,
     this.iconWidget,
     @required this.title,
-    @required this.text,
+    this.text,
+    this.child,
     this.actionTitle,
     this.onActionTap,
+    this.canGoNext = true,
+    this.onTapNext,
   })  : assert(icon != null || iconWidget != null),
         assert(title != null),
-        assert(text != null),
+        assert(text != null || child != null),
         super(key: key);
 
   bool get _hasAction => actionTitle != null && onActionTap != null;
 
   @override
-  Widget build(BuildContext context) => Column(
+  Widget build(BuildContext context) {
+    if (text != null)
+      return Column(
         children: <Widget>[
           Spacer(flex: 3),
           icon != null ? Icon(icon, color: Colors.white, size: 50) : iconWidget,
@@ -214,6 +258,38 @@ class _PresentationPane extends StatelessWidget {
           Spacer(flex: 3),
         ],
       );
+
+    return Column(
+      children: <Widget>[
+        Spacer(flex: 1),
+        icon != null ? Icon(icon, color: Colors.white, size: 50) : iconWidget,
+        Spacer(flex: 1),
+        Text(
+          title,
+          style: TextStyle(fontSize: 20),
+        ),
+        Spacer(flex: 1),
+        child(context),
+        Spacer(flex: 1),
+        _hasAction
+            ? OutlinedButton(
+                onPressed: () => onActionTap(context),
+                child: Text(
+                  actionTitle,
+                  style: TextStyle(color: Colors.white),
+                ),
+              )
+            : Opacity(
+                opacity: 0,
+                child: OutlinedButton(
+                  onPressed: null,
+                  child: Text(""),
+                ),
+              ),
+        Spacer(flex: 1),
+      ],
+    );
+  }
 }
 
 class _FirstPane extends StatelessWidget {

lib/ui/routes/push_notifications_route.dart

@@ -31,6 +31,63 @@ class PushNotificationsConfigurationRoute extends StatefulWidget {
 
 class _PushNotificationsConfigurationRouteState
     extends State<PushNotificationsConfigurationRoute> {
+  final _key = GlobalKey<PushNotificationsConfigurationWidgetState>();
+
+  @override
+  Widget build(BuildContext context) => Material(
+        textStyle: TextStyle(color: Colors.white),
+        color: config().splashBackgroundColor,
+        child: Center(
+          child: Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                Spacer(),
+                Icon(Icons.notifications_none, color: Colors.white),
+                Spacer(),
+                Text(
+                  tr("Comunic can send you notifications to your device when the application is closed if you want."),
+                  textAlign: TextAlign.center,
+                ),
+                Spacer(),
+                PushNotificationsConfigurationWidget(
+                  key: _key,
+                  onConfigured: () => (Navigator.of(context).pop()),
+                  onChanged: () => setState(() {}),
+                ),
+                Spacer(),
+                OutlinedButton(
+                    onPressed: _key?.currentState?.canSubmit ?? false
+                        ? _key.currentState.submit
+                        : null,
+                    child: Text(tr("Configure").toUpperCase()),
+                    style: OutlinedButton.styleFrom(primary: Colors.white)),
+                Spacer(),
+              ],
+            ),
+          ),
+        ),
+      );
+}
+
+class PushNotificationsConfigurationWidget extends StatefulWidget {
+  final Function() onConfigured;
+  final Function() onChanged;
+
+  const PushNotificationsConfigurationWidget({
+    Key key,
+    @required this.onConfigured,
+    this.onChanged,
+  }) : super(key: key);
+
+  @override
+  PushNotificationsConfigurationWidgetState createState() =>
+      PushNotificationsConfigurationWidgetState();
+}
+
+class PushNotificationsConfigurationWidgetState
+    extends State<PushNotificationsConfigurationWidget> {
   PushNotificationsStatus currStatus;
 
   bool get canSubmit =>
@@ -40,46 +97,36 @@ class _PushNotificationsConfigurationRouteState
   Future<void> _refresh() async {
     await PushNotificationsHelper.refreshLocalStatus();
     currStatus = await PushNotificationsHelper.getLocalStatus();
+
+    if (currStatus == PushNotificationsStatus.UNDEFINED &&
+        srvConfig.notificationsPolicy.hasFirebase)
+      currStatus = PushNotificationsStatus.FIREBASE;
   }
 
   @override
   Widget build(BuildContext context) {
-    return Material(
+    return AsyncScreenWidget(
-        textStyle: TextStyle(color: Colors.white),
-        color: config().splashBackgroundColor,
-        child: Center(
-          child: Padding(
-            padding: const EdgeInsets.all(8.0),
-            child: AsyncScreenWidget(
       onReload: _refresh,
       onBuild: _buildForm,
       errorMessage: tr("Failed to load push notifications settings!"),
-            ),
+    );
-          ),
-        ));
   }
 
   Widget _buildForm() => ConstrainedBox(
         constraints: BoxConstraints(maxWidth: 300),
         child: Column(
-          mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            Spacer(),
-            Icon(Icons.notifications_none, color: Colors.white),
-            Spacer(),
-            Text(
-              tr("Comunic can now send you notifications to your device when the application is closed if you want."),
-              textAlign: TextAlign.center,
-            ),
-            Spacer(),
             _NotificationOption(
-              title: tr("Use Google services"),
+              title: tr("Use Google services (recommended)"),
               description: tr(
                   "Use the Google Play services to send you notifications. This option is less privacy-friendly, but it will work on most phones and will save your battery life."),
               option: PushNotificationsStatus.FIREBASE,
               current: currStatus,
               available: srvConfig.notificationsPolicy.hasFirebase,
-              onChanged: (s) => setState(() => currStatus = s),
+              onChanged: (s) {
+                setState(() => currStatus = s);
+                if (widget.onChanged != null) widget.onChanged();
+              },
             ),
             _NotificationOption(
               title: tr("Use independent notifications service"),
@@ -89,7 +136,10 @@ class _PushNotificationsConfigurationRouteState
               current: currStatus,
               available:
                   srvConfig.notificationsPolicy.hasIndependent && isAndroid,
-              onChanged: (s) => setState(() => currStatus = s),
+              onChanged: (s) {
+                setState(() => currStatus = s);
+                if (widget.onChanged != null) widget.onChanged();
+              },
             ),
             _NotificationOption(
               title: tr("Do not send notification"),
@@ -98,25 +148,22 @@ class _PushNotificationsConfigurationRouteState
               option: PushNotificationsStatus.DISABLED,
               current: currStatus,
               available: true,
-              onChanged: (s) => setState(() => currStatus = s),
+              onChanged: (s) {
+                setState(() => currStatus = s);
+                if (widget.onChanged != null) widget.onChanged();
+              },
             ),
-            Spacer(),
-            OutlinedButton(
-                onPressed: canSubmit ? _submit : null,
-                child: Text(tr("Configure").toUpperCase()),
-                style: OutlinedButton.styleFrom(primary: Colors.white)),
-            Spacer(),
           ],
         ),
       );
 
-  Future<void> _submit() async {
+  Future<bool> submit() async {
     try {
       String firebaseToken = "";
 
       if (currStatus == await PushNotificationsHelper.getLocalStatus()) {
-        Navigator.of(context).pop();
+        widget.onConfigured();
-        return;
+        return true;
       }
 
       switch (currStatus) {
@@ -142,13 +189,15 @@ class _PushNotificationsConfigurationRouteState
           firebaseToken: firebaseToken);
       await PushNotificationsHelper.refreshLocalStatus();
 
-      Navigator.of(context).pop();
+      widget.onConfigured();
     } catch (e, s) {
       logError(e, s);
       showAlert(
           context: context,
           message: tr("Failed to configure push notifications!"));
+      return false;
     }
+    return true;
   }
 }