prepare for multiple apps

2026-04-06 12:23:11 +02:00
parent bd1600e8dc
commit 5afc323f04
904 changed files with 29 additions and 29 deletions
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'dart:async';
+
+class Debouncer {
+  final Duration debounce;
+
+  Timer? _timer;
+  bool _hasRan = false;
+
+  Debouncer(this.debounce);
+
+  bool get isDebouncing => _timer?.isActive ?? false;
+  bool get hasRan => _hasRan;
+
+  void eventOccured(void Function() callback) {
+    _timer?.cancel();
+    _timer = Timer(debounce, () {
+      callback.call();
+      _hasRan = true;
+    });
+  }
+
+  void dispose() {
+    _timer?.cancel();
+    _timer = null;
+  }
+}