128 lines
4.0 KiB
Dart
128 lines
4.0 KiB
Dart
import 'dart:async';
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import 'dart:math';
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import 'package:fl_clash/common/common.dart';
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import 'package:fl_clash/models/models.dart';
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import 'package:fl_clash/widgets/fade_box.dart';
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import 'package:flutter/material.dart';
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class MessageManager extends StatefulWidget {
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final Widget child;
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const MessageManager({super.key, required this.child});
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@override
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State<MessageManager> createState() => MessageManagerState();
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}
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class MessageManagerState extends State<MessageManager> {
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final _messagesNotifier = ValueNotifier<List<CommonMessage>>([]);
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final List<CommonMessage> _bufferMessages = [];
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bool _pushing = false;
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@override
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void initState() {
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super.initState();
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}
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@override
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void dispose() {
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_messagesNotifier.dispose();
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super.dispose();
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}
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Future<void> message(String text) async {
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final commonMessage = CommonMessage(id: utils.uuidV4, text: text);
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commonPrint.log(text);
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_bufferMessages.add(commonMessage);
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await _showMessage();
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}
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Future<void> _showMessage() async {
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if (_pushing == true) {
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return;
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}
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_pushing = true;
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while (_bufferMessages.isNotEmpty) {
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final commonMessage = _bufferMessages.removeAt(0);
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_messagesNotifier.value = List.from(_messagesNotifier.value)
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..add(commonMessage);
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await Future.delayed(Duration(seconds: 1));
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Future.delayed(commonMessage.duration, () {
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_handleRemove(commonMessage);
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});
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}
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}
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Future<void> _handleRemove(CommonMessage commonMessage) async {
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_messagesNotifier.value = List<CommonMessage>.from(_messagesNotifier.value)
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..remove(commonMessage);
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if (_bufferMessages.isEmpty) {
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_pushing = false;
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}
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}
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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widget.child,
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ValueListenableBuilder(
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valueListenable: _messagesNotifier,
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builder: (_, messages, _) {
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return Container(
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margin: EdgeInsets.only(
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top: kToolbarHeight + 12,
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left: 12,
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right: 12,
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),
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child: FadeThroughBox(
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alignment: Alignment.topRight,
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child: messages.isEmpty
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? SizedBox()
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: LayoutBuilder(
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key: Key(messages.last.id),
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builder: (_, constraints) {
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return Card(
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(
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Radius.circular(12.0),
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),
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),
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elevation: 10,
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color: context.colorScheme.surfaceContainerHigh,
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child: Container(
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width: min(constraints.maxWidth, 500),
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padding: EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 10,
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),
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child: Row(
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mainAxisAlignment:
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MainAxisAlignment.spaceBetween,
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children: [
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Flexible(child: Text(messages.last.text)),
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IconButton(
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visualDensity: VisualDensity.compact,
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iconSize: 18,
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padding: EdgeInsets.zero,
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onPressed: () {
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_handleRemove(messages.last);
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},
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icon: Icon(Icons.close),
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),
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],
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),
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),
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);
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},
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),
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),
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);
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},
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),
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],
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);
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}
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}
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