add background apps toggle

Author: melo936

lib/l10n/intl_en.arb

@@ -53,6 +53,8 @@
   "perfFODescription": "Fullscreen Optimizations may lead to better gaming and app performance when running in fullscreen mode",
   "perfOWGLabel": "Optimizations for windowed games",
   "perfOWGDescription": "Improves frame latency by using a new presentation model for DirectX 10 and 11 games that appear in a window or in a borderless window",
+  "perfBALabel": "Background Apps",
+  "perfBADescription": "Allow apps to run in the background, even when you're not using them. This will have a performance impact due to constantly running in the background. Disabling this will also disable notifications for some apps",
   "perfCStatesLabel": "Disable the ACPI C2 and C3 states",
   "perfCStatesDescription": "Disabling ACPI C-states may improve performance and latency, but it will consume more power while idle, potentially reducing battery life",
   "perfSectionFS": "Filesystem",

lib/l10n/untranslated.json

@@ -8,6 +8,8 @@
     "search",
     "usabilitySESLabel",
     "usabilitySESDescription",
+    "perfBALabel",
+    "perfBADescription",
     "settingsLanguageDescription",
     "pageMSStore",
     "msstoreSearchingPackages",
@@ -25,6 +27,8 @@
     "search",
     "usabilitySESLabel",
     "usabilitySESDescription",
+    "perfBALabel",
+    "perfBADescription",
     "wuPauseLabel",
     "wuPauseDescription",
     "settingsLanguageDescription",
@@ -44,6 +48,8 @@
     "search",
     "usabilitySESLabel",
     "usabilitySESDescription",
+    "perfBALabel",
+    "perfBADescription",
     "wuPauseLabel",
     "wuPauseDescription",
     "settingsLanguageDescription",
@@ -63,6 +69,8 @@
     "search",
     "usabilitySESLabel",
     "usabilitySESDescription",
+    "perfBALabel",
+    "perfBADescription",
     "settingsLanguageDescription",
     "pageMSStore",
     "msstoreSearchingPackages",

lib/screens/pages/performance_page.dart

@@ -24,10 +24,13 @@ class _PerformancePageState extends State<PerformancePage> {
       ValueNotifier<bool>(_performanceService.statusIntelTSX);
   late final _foBool =
       ValueNotifier<bool>(_performanceService.statusFullscreenOptimization);
-
-  /// Experimental
   late final _owgBool =
       ValueNotifier<bool>(_performanceService.statusWindowedOptimization);
+  late final _baBool =
+      ValueNotifier<bool>(_performanceService.statusBackgroundApps);
+
+  /// Experimental
+
   late final _cStatesBool =
       ValueNotifier<bool>(_performanceService.statusCStates);
 
@@ -105,13 +108,24 @@ class _PerformancePageState extends State<PerformancePage> {
             switchBool: _owgBool,
             function: (value) {
               _owgBool.value = value;
-
               _owgBool.value
                   ? _performanceService.enableWindowedOptimization()
                   : _performanceService.disableWindowedOptimization();
             },
           ),
         ],
+        CardHighlightSwitch(
+          icon: msicons.FluentIcons.bezier_curve_square_20_regular,
+          label: ReviLocalizations.of(context).perfBALabel,
+          description: ReviLocalizations.of(context).perfBADescription,
+          switchBool: _baBool,
+          function: (value) {
+            _baBool.value = value;
+            _baBool.value
+                ? _performanceService.enableBackgroundApps()
+                : _performanceService.disableBackgroundApps();
+          },
+        ),
         if (expBool.value) ...[
           CardHighlightSwitch(
             icon: msicons.FluentIcons.sleep_20_regular,

lib/services/performance_service.dart

@@ -185,6 +185,53 @@ class PerformanceService implements SetupService {
         'DirectXUserGlobalSettings');
   }
 
+  bool get statusBackgroundApps {
+    return _registryUtilsService.readInt(
+            RegistryHive.localMachine,
+            r'Software\Policies\Microsoft\Windows\AppPrivacy',
+            'LetAppsRunInBackground') !=
+        2;
+  }
+
+  void enableBackgroundApps() {
+    _registryUtilsService.deleteValue(
+        Registry.currentUser,
+        r'Software\Microsoft\Windows\CurrentVersion\Search',
+        'BackgroundAppGlobalToggle');
+    _registryUtilsService.deleteValue(
+        Registry.localMachine,
+        r'Software\Microsoft\Windows\CurrentVersion\Search',
+        'BackgroundAppGlobalToggle');
+
+    _registryUtilsService.deleteValue(
+        Registry.currentUser,
+        r'Software\Microsoft\Windows\CurrentVersion\BackgroundAccessApplications',
+        'GlobalUserDisabled');
+    _registryUtilsService.deleteValue(
+        Registry.localMachine,
+        r'Software\Policies\Microsoft\Windows\AppPrivacy',
+        'LetAppsRunInBackground');
+  }
+
+  void disableBackgroundApps() {
+    _registryUtilsService.writeDword(
+        Registry.localMachine,
+        r'Software\Microsoft\Windows\CurrentVersion\Search',
+        'BackgroundAppGlobalToggle',
+        0);
+
+    _registryUtilsService.writeDword(
+        Registry.currentUser,
+        r'Software\Microsoft\Windows\CurrentVersion\BackgroundAccessApplications',
+        'GlobalUserDisabled',
+        1);
+    _registryUtilsService.writeDword(
+        Registry.localMachine,
+        r'Software\Policies\Microsoft\Windows\AppPrivacy',
+        'LetAppsRunInBackground',
+        2);
+  }
+
   bool get statusCStates {
     return _registryUtilsService.readInt(RegistryHive.localMachine,
             r'SYSTEM\ControlSet001\Control\Processor', 'Capabilities') ==