Initial commit

lib/utils/start_push_foreground_service.dart

@@ -0,0 +1,86 @@
+// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
+// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+import 'package:tatchat/utils/platform_infos.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter_foreground_task/flutter_foreground_task.dart';
+import 'package:matrix/matrix_api_lite/utils/logs.dart';
+import 'package:universal_html/html.dart' as html;
+
+import '../l10n/l10n.dart';
+
+abstract class ForegroundServices {
+  static final List<String> runningServices = [];
+
+  static bool get platformSupported =>
+      PlatformInfos.isMobile || PlatformInfos.isWeb;
+
+  static bool _beforeUnload(html.Event e) {
+    e.preventDefault();
+    return true;
+  }
+
+  static Future<void> stopService(String name) async {
+    runningServices.remove(name);
+    if (runningServices.isNotEmpty) return;
+    if (kIsWeb) {
+      html.window.removeEventListener('beforeunload', _beforeUnload);
+      return;
+    }
+    FlutterForegroundTask.stopService();
+  }
+
+  static Future<void> startService(String name) async {
+    try {
+      runningServices.add(name);
+      if (kIsWeb) {
+        html.window.addEventListener('beforeunload', _beforeUnload);
+        return;
+      }
+      if (PlatformInfos.isMobile) {
+        final l10n = await L10n.delegate.load(
+          PlatformDispatcher.instance.locale,
+        );
+        FlutterForegroundTask.init(
+          androidNotificationOptions: AndroidNotificationOptions(
+            channelId: 'fluffychat_sync',
+            channelName: l10n.loadingMessages,
+            channelDescription: l10n.loadingMessages,
+            onlyAlertOnce: true,
+            playSound: false,
+            enableVibration: false,
+            priority: NotificationPriority.LOW,
+          ),
+          iosNotificationOptions: const IOSNotificationOptions(
+            showNotification: false,
+            playSound: false,
+          ),
+          foregroundTaskOptions: ForegroundTaskOptions(
+            eventAction: ForegroundTaskEventAction.nothing(),
+            allowWakeLock: true,
+          ),
+        );
+        if (await FlutterForegroundTask.isRunningService) {
+          Logs().d('[PushHelper] Foreground service already running');
+          return;
+        }
+        final result = await FlutterForegroundTask.startService(
+          serviceTypes: [ForegroundServiceTypes.shortService],
+          notificationTitle: 'FluffyChat',
+          notificationText: l10n.loadingMessages,
+          notificationIcon: NotificationIcon(metaDataName: 'ic_launcher'),
+        );
+        final started = result is ServiceRequestSuccess;
+        Logs().d('[PushHelper] Foreground service start: $started ($result)');
+      } else if (kIsWeb) {
+        // TODO: Implement window.onBeforeUnload overwrite
+      }
+      return;
+    } catch (e, s) {
+      Logs().w('[PushHelper] Unable to start foreground service', e, s);
+      return;
+    }
+  }
+}