feat: add close to tray option

lib/src/localization/strings.i18n.json

@@ -1,7 +1,6 @@
 {
   "appTitle": "Feeling Finder",
   "@AppTitle": "The title of the application",
-
   "emojiCategories": {
     "recent": "Recent",
     "all": "All",
@@ -16,9 +15,9 @@
     "flags": "Flags",
     "custom": "Custom"
   },
-
   "settings": {
     "title": "Settings",
+    "closeToTray": "Close to system tray",
     "theme": "Theme",
     "systemTheme": "System",
     "lightTheme": "Light",
@@ -33,6 +32,5 @@
     "hotkeyToggle": "Toggle visibility with a keyboard shortcut",
     "shortcutUsage": "Press {modifierKey} + {actionKey} to use the shortcut"
   },
-
   "searchHintText": "Type to search"
-}
+}

lib/src/settings/cubit/settings_cubit.dart

@@ -19,9 +19,11 @@ class SettingsCubit extends Cubit<SettingsState> {
   SettingsCubit._(
     this._settingsService,
     this._systemTray, {
+    required bool closeToTray,
     required ThemeMode userThemePreference,
   }) : super(
           SettingsState(
+            closeToTray: closeToTray,
             exitOnCopy: _settingsService.exitOnCopy(),
             hotKeyEnabled: _settingsService.hotKeyEnabled(),
             showSystemTrayIcon: _settingsService.showSystemTrayIcon(),
@@ -40,9 +42,12 @@ class SettingsCubit extends Cubit<SettingsState> {
     SettingsService settingsService,
     SystemTray? systemTray,
   ) async {
+    final bool closeToTray = await settingsService.closeToTray();
+
     return SettingsCubit._(
       settingsService,
       systemTray,
+      closeToTray: closeToTray,
       userThemePreference: await settingsService.themeMode(),
     );
   }
@@ -73,6 +78,13 @@ class SettingsCubit extends Cubit<SettingsState> {
     });
   }
 
+  Future<void> updateCloseToTray([bool? closeToTray]) async {
+    if (closeToTray == null) return;
+
+    await _settingsService.saveCloseToTray(closeToTray);
+    emit(state.copyWith(closeToTray: closeToTray));
+  }
+
   /// Update and persist whether the app should exit after copy.
   Future<void> updateExitOnCopy(bool value) async {
     emit(state.copyWith(exitOnCopy: value));

lib/src/settings/cubit/settings_state.dart

@@ -3,6 +3,9 @@ part of 'settings_cubit.dart';
 @freezed
 class SettingsState with _$SettingsState {
   const factory SettingsState({
+    /// Whether the app should continue running in the tray when closed.
+    required bool closeToTray,
+
     /// Whether the app should exit automatically after copying an emoji.
     required bool exitOnCopy,
 

lib/src/settings/settings_page.dart

@@ -9,6 +9,7 @@ import '../core/core.dart';
 import '../helpers/helpers.dart';
 import '../localization/strings.g.dart';
 import '../shortcuts/app_hotkey.dart';
+import '../window/app_window.dart';
 import 'cubit/settings_cubit.dart';
 
 /// Displays the various settings that can be customized by the user.
@@ -79,6 +80,16 @@ class SettingsPage extends StatelessWidget {
       },
     );
 
+    final Widget closeToTrayTile = BlocBuilder<SettingsCubit, SettingsState>(
+      builder: (context, state) {
+        return SwitchListTile(
+          title: Text(translations.settings.closeToTray),
+          value: state.closeToTray,
+          onChanged: (value) => settingsCubit.updateCloseToTray(value),
+        );
+      },
+    );
+
     final Widget hotkeyEnabledTile = BlocBuilder<SettingsCubit, SettingsState>(
       builder: (context, state) {
         return SwitchListTile(
@@ -174,6 +185,7 @@ class SettingsPage extends StatelessWidget {
               const Divider(),
               exitAfterCopyTile,
               if (defaultTargetPlatform.isDesktop) showTrayTile,
+              if (defaultTargetPlatform.isDesktop) closeToTrayTile,
               if (runsX11) hotkeyEnabledTile,
               if (runsX11) hotkeyConfigurationTile,
               const Divider(),

lib/src/settings/settings_service.dart

@@ -17,6 +17,16 @@ class SettingsService {
   /// Singleton instance of the SettingsService.
   static late SettingsService instance;
 
+  /// Whether the app should continue running in the tray when closed.
+  Future<bool> closeToTray() async {
+    final closeToTray = _storageService.getValue('closeToTray') as bool?;
+    return closeToTray ?? false;
+  }
+
+  Future<void> saveCloseToTray(bool value) async {
+    await _storageService.saveValue(key: 'closeToTray', value: value);
+  }
+
   bool exitOnCopy() {
     final shouldExit = _storageService.getValue('exitOnCopy') as bool?;
     return shouldExit ?? false;

test/src/emoji/cubit/emoji_cubit_test.dart

@@ -41,6 +41,7 @@ void main() {
 
       settingsCubit = MockSettingsCubit();
       when(settingsCubit.state).thenReturn(const SettingsState(
+        closeToTray: false,
         exitOnCopy: false,
         hotKeyEnabled: false,
         showSystemTrayIcon: false,