30 lines
592 B
Dart
30 lines
592 B
Dart
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import 'dart:async';
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import 'package:flutter/material.dart';
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class Debouncer {
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Debouncer(this.interval);
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final Duration interval;
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VoidCallback? _action;
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Timer? _timer;
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void call(VoidCallback action) {
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// Let the latest action override whatever was there before
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_action = action;
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// Always cancel and restart the timer
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_timer?.cancel();
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_timer = Timer(interval, _callAction);
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}
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void _callAction() {
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_action?.call(); // If we have an action queued up, complete it.
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_timer = null;
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}
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void reset() {
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_action = null;
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_timer = null;
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}
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}
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