68 lines
1.6 KiB
Dart
68 lines
1.6 KiB
Dart
import 'package:fl_clash/models/models.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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class ScrollOverBuilder extends StatefulWidget {
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final Widget Function(bool isOver) builder;
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const ScrollOverBuilder({
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super.key,
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required this.builder,
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});
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@override
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State<ScrollOverBuilder> createState() => _ScrollOverBuilderState();
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}
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class _ScrollOverBuilderState extends State<ScrollOverBuilder> {
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final isOverNotifier = ValueNotifier<bool>(false);
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@override
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void dispose() {
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super.dispose();
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isOverNotifier.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return NotificationListener<ScrollMetricsNotification>(
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onNotification: (scrollNotification) {
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isOverNotifier.value = scrollNotification.metrics.maxScrollExtent > 0;
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return true;
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},
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child: ValueListenableBuilder<bool>(
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valueListenable: isOverNotifier,
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builder: (_, isOver, __) {
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return widget.builder(isOver);
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},
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),
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);
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}
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}
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class ProxiesActionsBuilder extends StatelessWidget {
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final Widget? child;
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final Widget Function(
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ProxiesActionsState state,
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Widget? child,
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) builder;
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const ProxiesActionsBuilder({
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super.key,
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required this.child,
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required this.builder,
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});
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@override
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Widget build(BuildContext context) {
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return Selector<AppState, ProxiesActionsState>(
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selector: (_, appState) => ProxiesActionsState(
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isCurrent: appState.currentLabel == "proxies",
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hasProvider: appState.providers.isNotEmpty,
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),
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builder: (_, state, child) => builder(state, child),
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child: child,
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);
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}
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}
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