added setting to disable double back to close tab

app/lib/features/geckoview/features/browser/presentation/screens/browser.dart

@@ -569,6 +569,10 @@ class _Browser extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
+    final doubleBackCloseTab = ref.watch(
+      generalSettingsWithDefaultsProvider.select((s) => s.doubleBackCloseTab),
+    );
+
     final lastBackButtonPress = useRef<DateTime?>(null);
 
     final overlayBuilder = ref.watch(overlayControllerProvider);
@@ -682,39 +686,44 @@ class _Browser extends HookConsumerWidget {
                   return false;
                 }
 
-                if (lastBackButtonPress.value != null &&
-                    DateTime.now().difference(lastBackButtonPress.value!) <
-                        _backButtonPressTimeout) {
-                  lastBackButtonPress.value = null;
+                // Handle double back to close (if enabled)
+                if (doubleBackCloseTab) {
+                  if (lastBackButtonPress.value != null &&
+                      DateTime.now().difference(lastBackButtonPress.value!) <
+                          _backButtonPressTimeout) {
+                    lastBackButtonPress.value = null;
 
-                  if (tabState != null && tabCount > 1) {
-                    await ref
-                        .read(tabRepositoryProvider.notifier)
-                        .closeTab(tabState.id);
+                    if (tabState != null && tabCount > 1) {
+                      await ref
+                          .read(tabRepositoryProvider.notifier)
+                          .closeTab(tabState.id);
 
-                    if (context.mounted) {
-                      ui_helper.showTabUndoClose(
-                        context,
-                        ref.read(tabRepositoryProvider.notifier).undoClose,
-                      );
+                      if (context.mounted) {
+                        ui_helper.showTabUndoClose(
+                          context,
+                          ref.read(tabRepositoryProvider.notifier).undoClose,
+                        );
+                      }
+
+                      return true;
+                    } else {
+                      //Mark back as unhandled and navigator will pop
+                      await SystemNavigator.pop();
+                      return false;
                     }
+                  } else {
+                    lastBackButtonPress.value = DateTime.now();
+                    ui_helper.showTabBackButtonMessage(
+                      context,
+                      tabCount,
+                      _backButtonPressTimeout,
+                    );
 
                     return true;
-                  } else {
-                    //Mark back as unhandled and navigator will pop
-                    await SystemNavigator.pop();
-                    return false;
                   }
-                } else {
-                  lastBackButtonPress.value = DateTime.now();
-                  ui_helper.showTabBackButtonMessage(
-                    context,
-                    tabCount,
-                    _backButtonPressTimeout,
-                  );
-
-                  return true;
                 }
+
+                return true;
               },
               child: _BrowserView(
                 isFullscreen: tabInFullScreen,

app/lib/features/settings/presentation/screens/general_settings.dart

@@ -67,6 +67,7 @@ class GeneralSettingsScreen extends StatelessWidget {
               _BottomSheetTabViewTile(),
               _TabBarSwipeBehaviorSection(),
               _PullToRefreshTile(),
+              _DoubleBackCloseTabTile(),
               _IconCacheTile(),
             ],
           );
@@ -867,6 +868,34 @@ class _PullToRefreshTile extends HookConsumerWidget {
   }
 }
 
+class _DoubleBackCloseTabTile extends HookConsumerWidget {
+  const _DoubleBackCloseTabTile();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final doubleBackCloseTab = ref.watch(
+      generalSettingsWithDefaultsProvider.select((s) => s.doubleBackCloseTab),
+    );
+
+    return SwitchListTile.adaptive(
+      title: const Text('Double Back to Close Tab'),
+      subtitle: const Text(
+        'When enabled, press back twice to close the tab. When disabled, back button only navigates page history.',
+      ),
+      secondary: const Icon(MdiIcons.gestureDoubleTap),
+      value: doubleBackCloseTab,
+      onChanged: (value) async {
+        await ref
+            .read(saveGeneralSettingsControllerProvider.notifier)
+            .save(
+              (currentSettings) =>
+                  currentSettings.copyWith.doubleBackCloseTab(value),
+            );
+      },
+    );
+  }
+}
+
 class _IconCacheTile extends HookConsumerWidget {
   const _IconCacheTile();
 

app/lib/features/user/data/models/general_settings.dart

@@ -81,6 +81,7 @@ class GeneralSettings with FastEquatable {
   final TabBarPosition tabBarPosition;
   final QuickTabSwitcherMode quickTabSwitcherMode;
   final bool pullToRefreshEnabled;
+  final bool doubleBackCloseTab;
 
   GeneralSettings({
     required this.themeMode,
@@ -104,6 +105,7 @@ class GeneralSettings with FastEquatable {
     required this.tabBarPosition,
     required this.quickTabSwitcherMode,
     required this.pullToRefreshEnabled,
+    required this.doubleBackCloseTab,
   });
 
   GeneralSettings.withDefaults({
@@ -128,6 +130,7 @@ class GeneralSettings with FastEquatable {
     TabBarPosition? tabBarPosition,
     QuickTabSwitcherMode? quickTabSwitcherMode,
     bool? pullToRefreshEnabled,
+    bool? doubleBackCloseTab,
   }) : themeMode = themeMode ?? ThemeMode.dark,
        enableReadability = enableReadability ?? true,
        enforceReadability = enforceReadability ?? false,
@@ -151,7 +154,8 @@ class GeneralSettings with FastEquatable {
        tabBarPosition = tabBarPosition ?? TabBarPosition.bottom,
        quickTabSwitcherMode =
            quickTabSwitcherMode ?? QuickTabSwitcherMode.lastUsedTabs,
-       pullToRefreshEnabled = pullToRefreshEnabled ?? true;
+       pullToRefreshEnabled = pullToRefreshEnabled ?? true,
+       doubleBackCloseTab = doubleBackCloseTab ?? true;
 
   factory GeneralSettings.fromJson(Map<String, dynamic> json) =>
       _$GeneralSettingsFromJson(json);
@@ -181,5 +185,6 @@ class GeneralSettings with FastEquatable {
     tabBarPosition,
     quickTabSwitcherMode,
     pullToRefreshEnabled,
+    doubleBackCloseTab,
   ];
 }

app/lib/features/user/data/models/general_settings.g.dart

@@ -59,6 +59,8 @@ abstract class _$GeneralSettingsCWProxy {
 
   GeneralSettings pullToRefreshEnabled(bool pullToRefreshEnabled);
 
+  GeneralSettings doubleBackCloseTab(bool doubleBackCloseTab);
+
   /// Creates a new instance with the provided field values.
   /// Passing `null` to a nullable field nullifies it, while `null` for a non-nullable field is ignored. To update a single field use `GeneralSettings(...).copyWith.fieldName(value)`.
   ///
@@ -88,6 +90,7 @@ abstract class _$GeneralSettingsCWProxy {
     TabBarPosition tabBarPosition,
     QuickTabSwitcherMode quickTabSwitcherMode,
     bool pullToRefreshEnabled,
+    bool doubleBackCloseTab,
   });
 }
 
@@ -186,6 +189,10 @@ class _$GeneralSettingsCWProxyImpl implements _$GeneralSettingsCWProxy {
   GeneralSettings pullToRefreshEnabled(bool pullToRefreshEnabled) =>
       call(pullToRefreshEnabled: pullToRefreshEnabled);
 
+  @override
+  GeneralSettings doubleBackCloseTab(bool doubleBackCloseTab) =>
+      call(doubleBackCloseTab: doubleBackCloseTab);
+
   @override
   /// Creates a new instance with the provided field values.
   /// Passing `null` to a nullable field nullifies it, while `null` for a non-nullable field is ignored. To update a single field use `GeneralSettings(...).copyWith.fieldName(value)`.
@@ -216,6 +223,7 @@ class _$GeneralSettingsCWProxyImpl implements _$GeneralSettingsCWProxy {
     Object? tabBarPosition = const $CopyWithPlaceholder(),
     Object? quickTabSwitcherMode = const $CopyWithPlaceholder(),
     Object? pullToRefreshEnabled = const $CopyWithPlaceholder(),
+    Object? doubleBackCloseTab = const $CopyWithPlaceholder(),
   }) {
     return GeneralSettings(
       themeMode: themeMode == const $CopyWithPlaceholder() || themeMode == null
@@ -340,6 +348,12 @@ class _$GeneralSettingsCWProxyImpl implements _$GeneralSettingsCWProxy {
           ? _value.pullToRefreshEnabled
           // ignore: cast_nullable_to_non_nullable
           : pullToRefreshEnabled as bool,
+      doubleBackCloseTab:
+          doubleBackCloseTab == const $CopyWithPlaceholder() ||
+              doubleBackCloseTab == null
+          ? _value.doubleBackCloseTab
+          // ignore: cast_nullable_to_non_nullable
+          : doubleBackCloseTab as bool,
     );
   }
 }
@@ -405,6 +419,7 @@ GeneralSettings _$GeneralSettingsFromJson(
     json['quickTabSwitcherMode'],
   ),
   pullToRefreshEnabled: json['pullToRefreshEnabled'] as bool?,
+  doubleBackCloseTab: json['doubleBackCloseTab'] as bool?,
 );
 
 Map<String, dynamic> _$GeneralSettingsToJson(
@@ -439,6 +454,7 @@ Map<String, dynamic> _$GeneralSettingsToJson(
   'quickTabSwitcherMode':
       _$QuickTabSwitcherModeEnumMap[instance.quickTabSwitcherMode]!,
   'pullToRefreshEnabled': instance.pullToRefreshEnabled,
+  'doubleBackCloseTab': instance.doubleBackCloseTab,
 };
 
 const _$ThemeModeEnumMap = {

app/lib/features/user/domain/repositories/general_settings.dart

@@ -126,6 +126,10 @@ class GeneralSettingsRepository extends _$GeneralSettingsRepository {
         DriftSqlType.bool,
         db.typeMapping,
       ),
+      'doubleBackCloseTab': settings['doubleBackCloseTab']?.readAs(
+        DriftSqlType.bool,
+        db.typeMapping,
+      ),
     });
   }
 

app/lib/features/user/domain/repositories/general_settings.g.dart

@@ -35,7 +35,7 @@ final class GeneralSettingsRepositoryProvider
 }
 
 String _$generalSettingsRepositoryHash() =>
-    r'dceccac3a93e96907c7bd2b4c58f5021912553ac';
+    r'ada58479ceea436f08e22780be200c99e3abedb7';
 
 abstract class _$GeneralSettingsRepository
     extends $StreamNotifier<GeneralSettings> {