/*
* Copyright (c) 2024-2025 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 .
*/
import 'package:flutter/widgets.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:weblibre/utils/sampled_value_notifier.dart';
/// A custom hook that creates a sampled ValueNotifier from another ValueNotifier
ValueNotifier useSampledValueNotifier({
required ValueNotifier source,
required Duration sampleDuration,
}) {
return use(
_SampledValueNotifierHook(
source: source,
sampleDuration: sampleDuration,
),
);
}
/// Hook implementation for sampled ValueNotifier
class _SampledValueNotifierHook extends Hook> {
final ValueNotifier source;
final Duration sampleDuration;
const _SampledValueNotifierHook({
required this.source,
required this.sampleDuration,
});
@override
_SampledValueNotifierHookState createState() =>
_SampledValueNotifierHookState();
}
class _SampledValueNotifierHookState
extends HookState, _SampledValueNotifierHook> {
late SampledValueNotifier _sampledNotifier;
@override
void initHook() {
super.initHook();
_sampledNotifier = SampledValueNotifier(
source: hook.source,
sampleDuration: hook.sampleDuration,
);
}
@override
ValueNotifier build(BuildContext context) {
return _sampledNotifier;
}
@override
void dispose() {
_sampledNotifier.dispose();
super.dispose();
}
@override
String get debugLabel => 'useSampledValueNotifier<$T>';
}