feat: expose cleanup api from WinSparkle

Author: LucasXu0

packages/auto_updater/lib/src/auto_updater.dart

@@ -40,12 +40,15 @@ class AutoUpdater {
   Future<void> checkForUpdateInformation() =>
       _platform.checkForUpdateInformation();
 
+  /// Cleans up the auto updater.
+  ///
+  /// Notes: this function is only available on Windows.
+  Future<void> cleanup() => _platform.cleanup();
+
   void _handleSparkleEvents(dynamic event) {
     final type = event['type'] as String;
     final eventType = UpdaterEvent.fromString(type);
-    final eventData = event['data'] as Map<Object?, Object?>?;
-
-    if (eventData == null) return;
+    final eventData = event['data'] as Map<Object?, Object?>? ?? {};
 
     // Parse event data
     final updaterError = eventData['error'] != null

packages/auto_updater/lib/src/events.dart

@@ -22,28 +22,40 @@ enum UpdaterEvent {
       case 'error':
         return UpdaterEvent.error;
       case 'checking-for-update':
+      case 'checkingForUpdate':
         return UpdaterEvent.checkingForUpdate;
       case 'update-available':
+      case 'updateAvailable':
         return UpdaterEvent.updateAvailable;
       case 'update-not-available':
+      case 'updateNotAvailable':
         return UpdaterEvent.updateNotAvailable;
       case 'update-downloaded':
+      case 'updateDownloaded':
         return UpdaterEvent.updateDownloaded;
       case 'before-quit-for-update':
+      case 'beforeQuitForUpdate':
         return UpdaterEvent.beforeQuitForUpdate;
       case 'user-update-choice':
+      case 'userUpdateChoice':
         return UpdaterEvent.userUpdateChoice;
       case 'update-cancelled':
+      case 'updateCancelled':
         return UpdaterEvent.updateCancelled;
       case 'update-skipped':
+      case 'updateSkipped':
         return UpdaterEvent.updateSkipped;
       case 'update-installed':
+      case 'updateInstalled':
         return UpdaterEvent.updateInstalled;
       case 'update-postponed':
+      case 'updatePostponed':
         return UpdaterEvent.updatePostponed;
       case 'update-dismissed':
+      case 'updateDismissed':
         return UpdaterEvent.updateDismissed;
       case 'user-run-installer':
+      case 'userRunInstaller':
         return UpdaterEvent.userRunInstaller;
       default:
         throw ArgumentError('Invalid event name: $name');

packages/auto_updater_windows/windows/auto_updater.cpp

@@ -32,6 +32,7 @@ class AutoUpdater {
   void AutoUpdater::CheckForUpdates();
   void AutoUpdater::CheckForUpdatesWithoutUI();
   void AutoUpdater::SetScheduledCheckInterval(int interval);
+  void AutoUpdater::Cleanup();
 
   void AutoUpdater::RegisterEventSink(
       std::unique_ptr<flutter::EventSink<flutter::EncodableValue>> ptr);
@@ -87,6 +88,10 @@ void AutoUpdater::SetScheduledCheckInterval(int interval) {
   win_sparkle_set_update_check_interval(interval);
 }
 
+void AutoUpdater::Cleanup() {
+  win_sparkle_cleanup();
+}
+
 void AutoUpdater::RegisterEventSink(
     std::unique_ptr<flutter::EventSink<flutter::EncodableValue>> ptr) {
   event_sink_ = std::move(ptr);

packages/auto_updater_windows/windows/auto_updater_windows_plugin.cpp

@@ -91,8 +91,14 @@ void AutoUpdaterWindowsPlugin::HandleMethodCall(
         std::get<flutter::EncodableMap>(*method_call.arguments());
     auto_updater.CheckForUpdatesWithoutUI();
     result->Success(flutter::EncodableValue(true));
+
+  } else if (method_name.compare("cleanup") == 0) {
+    auto_updater.Cleanup();
+    result->Success(flutter::EncodableValue(true));
+
   } else {
     result->NotImplemented();
+
   }
 }