46 lines
1.2 KiB
Dart
46 lines
1.2 KiB
Dart
/*
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* Copyright (c) 2024-2025 Fabian Freund.
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*
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* This file is part of WebLibre
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* (see https://weblibre.eu).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'dart:async';
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class Debouncer {
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final Duration debounce;
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Timer? _timer;
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bool _hasRan = false;
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Debouncer(this.debounce);
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bool get isDebouncing => _timer?.isActive ?? false;
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bool get hasRan => _hasRan;
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void eventOccured(void Function() callback) {
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_timer?.cancel();
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_timer = Timer(debounce, () {
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callback.call();
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_hasRan = true;
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});
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}
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void dispose() {
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_timer?.cancel();
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_timer = null;
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}
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}
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