Add buttons for pre-defined focus mode times and make click out of bounds dismiss

lib/controls/focus_mode_menu_item.dart

@@ -8,6 +8,8 @@ import '../riverpod_controllers/focus_mode.dart';
 import '../routes.dart';
 import 'padding.dart';
 
+const foreverDuration = Duration(days: 10000);
+
 class FocusModeMenuItem extends ConsumerWidget {
   const FocusModeMenuItem({super.key});
 
@@ -29,7 +31,10 @@ class FocusModeMenuItem extends ConsumerWidget {
             if (duration == null) {
               return;
             }
-            final disableTime = DateTime.now().add(duration);
+
+            final disableTime = duration == foreverDuration
+                ? null
+                : DateTime.now().add(duration);
             final update = FocusModeData(true, disableTime: disableTime);
             ref.read(focusModeProvider.notifier).setMode(update);
             if (context.mounted) {
@@ -51,7 +56,7 @@ Future<Duration?> _chooseDuration(
 
   return showDialog<Duration?>(
     context: context,
-    barrierDismissible: false,
+    barrierDismissible: true,
     builder: (BuildContext context) {
       return AlertDialog(
           content: Column(
@@ -65,6 +70,88 @@ Future<Duration?> _chooseDuration(
                     .copyWith(fontWeight: FontWeight.bold),
               ),
               const VerticalPadding(),
+              Wrap(
+                runSpacing: 10.0,
+                spacing: 10.0,
+                children: [
+                  ElevatedButton(
+                    child: const Text('15 minutes'),
+                    onPressed: () {
+                      Navigator.pop(
+                        context,
+                        const Duration(
+                          minutes: 15,
+                        ),
+                      ); // showDialog() returns true
+                    },
+                  ),
+                  ElevatedButton(
+                    child: const Text('30 minutes'),
+                    onPressed: () {
+                      Navigator.pop(
+                        context,
+                        const Duration(
+                          minutes: 30,
+                        ),
+                      ); // showDialog() returns true
+                    },
+                  ),
+                  ElevatedButton(
+                    child: const Text('1 hour'),
+                    onPressed: () {
+                      Navigator.pop(
+                        context,
+                        const Duration(
+                          hours: 1,
+                        ),
+                      ); // showDialog() returns true
+                    },
+                  ),
+                  ElevatedButton(
+                    child: const Text('6 hours'),
+                    onPressed: () {
+                      Navigator.pop(
+                        context,
+                        const Duration(
+                          hours: 6,
+                        ),
+                      ); // showDialog() returns true
+                    },
+                  ),
+                  ElevatedButton(
+                    child: const Text('12 hours'),
+                    onPressed: () {
+                      Navigator.pop(
+                        context,
+                        const Duration(
+                          hours: 12,
+                        ),
+                      ); // showDialog() returns true
+                    },
+                  ),
+                  ElevatedButton(
+                    child: const Text('1 day'),
+                    onPressed: () {
+                      Navigator.pop(
+                        context,
+                        const Duration(
+                          days: 1,
+                        ),
+                      ); // showDialog() returns true
+                    },
+                  ),
+                  ElevatedButton(
+                    child: const Text('Forever'),
+                    onPressed: () {
+                      Navigator.pop(
+                        context,
+                        foreverDuration,
+                      ); // showDialog() returns true
+                    },
+                  ),
+                ],
+              ),
+              const VerticalPadding(),
               SizedBox(
                 height: 100,
                 child: Row(
@@ -107,7 +194,7 @@ Future<Duration?> _chooseDuration(
                   ),
                 ); // showDialog() returns true
               },
-            )
+            ),
           ]);
     },
   );