266 lines
8.8 KiB
Dart
266 lines
8.8 KiB
Dart
import 'dart:async';
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import 'package:dio/dio.dart';
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import 'package:fl_clash/common/common.dart';
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import 'package:fl_clash/enum/enum.dart';
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import 'package:fl_clash/models/models.dart';
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import 'package:fl_clash/providers/app.dart';
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import 'package:fl_clash/state.dart';
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import 'package:fl_clash/widgets/widgets.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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final _networkDetectionState = ValueNotifier<NetworkDetectionState>(
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const NetworkDetectionState(
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isTesting: false,
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isLoading: true,
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ipInfo: null,
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),
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);
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class NetworkDetection extends ConsumerStatefulWidget {
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const NetworkDetection({super.key});
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@override
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ConsumerState<NetworkDetection> createState() => _NetworkDetectionState();
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}
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class _NetworkDetectionState extends ConsumerState<NetworkDetection> {
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bool? _preIsStart;
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Timer? _setTimeoutTimer;
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CancelToken? cancelToken;
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@override
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void initState() {
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ref.listenManual(checkIpNumProvider, (prev, next) {
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if (prev != next) {
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_startCheck();
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}
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});
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if (!_networkDetectionState.value.isTesting &&
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_networkDetectionState.value.isLoading) {
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_startCheck();
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}
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super.initState();
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}
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_startCheck() async {
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if (cancelToken != null) {
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cancelToken!.cancel();
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cancelToken = null;
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}
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debouncer.call(
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DebounceTag.checkIp,
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_checkIp,
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);
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}
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_checkIp() async {
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final appState = globalState.appState;
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final isInit = appState.isInit;
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if (!isInit) return;
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final isStart = appState.runTime != null;
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if (_preIsStart == false &&
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_preIsStart == isStart &&
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_networkDetectionState.value.ipInfo != null) {
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return;
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}
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_clearSetTimeoutTimer();
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_networkDetectionState.value = _networkDetectionState.value.copyWith(
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isLoading: true,
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ipInfo: null,
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);
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_preIsStart = isStart;
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if (cancelToken != null) {
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cancelToken!.cancel();
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cancelToken = null;
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}
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cancelToken = CancelToken();
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try {
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_networkDetectionState.value = _networkDetectionState.value.copyWith(
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isTesting: true,
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);
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final ipInfo = await request.checkIp(cancelToken: cancelToken);
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_networkDetectionState.value = _networkDetectionState.value.copyWith(
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isTesting: false,
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);
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if (ipInfo != null) {
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_networkDetectionState.value = _networkDetectionState.value.copyWith(
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isLoading: false,
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ipInfo: ipInfo,
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);
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return;
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}
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_clearSetTimeoutTimer();
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_setTimeoutTimer = Timer(const Duration(milliseconds: 300), () {
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_networkDetectionState.value = _networkDetectionState.value.copyWith(
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isLoading: false,
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ipInfo: null,
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);
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});
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} catch (e) {
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if (e.toString() == "cancelled") {
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_networkDetectionState.value = _networkDetectionState.value.copyWith(
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isLoading: true,
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ipInfo: null,
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);
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}
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}
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}
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@override
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void dispose() {
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_clearSetTimeoutTimer();
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super.dispose();
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}
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_clearSetTimeoutTimer() {
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if (_setTimeoutTimer != null) {
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_setTimeoutTimer?.cancel();
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_setTimeoutTimer = null;
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}
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}
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_countryCodeToEmoji(String countryCode) {
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final String code = countryCode.toUpperCase();
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if (code.length != 2) {
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return countryCode;
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}
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final int firstLetter = code.codeUnitAt(0) - 0x41 + 0x1F1E6;
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final int secondLetter = code.codeUnitAt(1) - 0x41 + 0x1F1E6;
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return String.fromCharCode(firstLetter) + String.fromCharCode(secondLetter);
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}
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@override
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Widget build(BuildContext context) {
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return SizedBox(
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height: getWidgetHeight(1),
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child: ValueListenableBuilder<NetworkDetectionState>(
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valueListenable: _networkDetectionState,
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builder: (_, state, __) {
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final ipInfo = state.ipInfo;
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final isLoading = state.isLoading;
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return CommonCard(
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onPressed: () {},
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Container(
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height: globalState.measure.titleMediumHeight + 16,
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padding: baseInfoEdgeInsets.copyWith(
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bottom: 0,
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),
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child: Row(
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mainAxisSize: MainAxisSize.max,
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children: [
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ipInfo != null
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? Text(
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_countryCodeToEmoji(
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ipInfo.countryCode,
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),
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style: Theme.of(context)
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.textTheme
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.titleMedium
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?.toLight
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.copyWith(
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fontFamily: FontFamily.twEmoji.value,
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),
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)
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: Icon(
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Icons.network_check,
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color: Theme.of(context)
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.colorScheme
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.onSurfaceVariant,
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),
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const SizedBox(
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width: 8,
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),
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Flexible(
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flex: 1,
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child: TooltipText(
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text: Text(
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appLocalizations.networkDetection,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: Theme.of(context)
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.textTheme
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.titleSmall
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?.copyWith(
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color: context.colorScheme.onSurfaceVariant,
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),
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),
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),
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),
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SizedBox(width: 2),
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AspectRatio(
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aspectRatio: 1,
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child: IconButton(
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padding: EdgeInsets.zero,
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onPressed: () {
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globalState.showMessage(
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title: appLocalizations.tip,
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message: TextSpan(
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text: appLocalizations.detectionTip,
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),
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cancelable: false,
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);
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},
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icon: Icon(
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size: 16.ap,
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Icons.info_outline,
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color: context.colorScheme.onSurfaceVariant,
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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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Container(
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padding: baseInfoEdgeInsets.copyWith(
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top: 0,
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),
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child: SizedBox(
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height: globalState.measure.bodyMediumHeight + 2,
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child: FadeThroughBox(
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child: ipInfo != null
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? TooltipText(
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text: Text(
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ipInfo.ip,
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style: context.textTheme.bodyMedium?.toLight
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.adjustSize(1),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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)
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: FadeThroughBox(
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child: isLoading == false && ipInfo == null
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? Text(
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"timeout",
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style: context.textTheme.bodyMedium
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?.copyWith(color: Colors.red)
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.adjustSize(1),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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)
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: Container(
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padding: const EdgeInsets.all(2),
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child: const AspectRatio(
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aspectRatio: 1,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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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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