207 lines
7.5 KiB
Dart
207 lines
7.5 KiB
Dart
import 'package:dio/dio.dart';
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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/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:provider/provider.dart';
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class NetworkDetection extends StatefulWidget {
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const NetworkDetection({super.key});
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@override
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State<NetworkDetection> createState() => _NetworkDetectionState();
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}
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class _NetworkDetectionState extends State<NetworkDetection> {
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final networkDetectionState = ValueNotifier<NetworkDetectionState>(
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const NetworkDetectionState(
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isTesting: true,
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ipInfo: null,
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),
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);
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bool? _preIsStart;
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Function? _checkIpDebounce;
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CancelToken? cancelToken;
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_checkIp() async {
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final appState = globalState.appController.appState;
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final isInit = appState.isInit;
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if (!isInit) return;
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final isStart = appState.isStart;
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if (_preIsStart == false && _preIsStart == isStart) return;
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networkDetectionState.value = networkDetectionState.value.copyWith(
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isTesting: 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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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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ipInfo: ipInfo,
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);
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} catch (_) {
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}
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}
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_checkIpContainer(Widget child) {
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return Selector<AppState, num>(
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selector: (_, appState) {
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return appState.checkIpNum;
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},
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builder: (_, checkIpNum, child) {
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if (_checkIpDebounce != null) {
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_checkIpDebounce!();
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}
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return child!;
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},
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child: child,
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);
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}
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@override
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void dispose() {
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super.dispose();
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networkDetectionState.dispose();
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}
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String 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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_checkIpDebounce ??= debounce(_checkIp);
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return _checkIpContainer(
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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 isTesting = state.isTesting;
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return CommonCard(
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onPressed: () {},
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child: Column(
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children: [
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Flexible(
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flex: 0,
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child: Container(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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Icon(
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Icons.network_check,
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color: Theme.of(context).colorScheme.primary,
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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: FadeBox(
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child: isTesting
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? Text(
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appLocalizations.checking,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style:
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Theme.of(context).textTheme.titleMedium,
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)
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: ipInfo != null
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? Container(
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alignment: Alignment.centerLeft,
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height: globalState.appController
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.measure.titleMediumHeight,
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child: Text(
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countryCodeToEmoji(
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ipInfo.countryCode),
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style: Theme.of(context)
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.textTheme
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.titleLarge
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?.copyWith(
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fontFamily: "Twemoji",
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),
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),
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)
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: Text(
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appLocalizations.checkError,
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style: Theme.of(context)
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.textTheme
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.titleMedium,
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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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),
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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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height: globalState.appController.measure.titleLargeHeight +
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24 -
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2,
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alignment: Alignment.centerLeft,
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padding: const EdgeInsets.all(16).copyWith(top: 0),
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child: FadeBox(
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child: ipInfo != null
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? Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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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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ipInfo.ip,
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style: context.textTheme.titleLarge
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?.toSoftBold.toMinus,
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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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),
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],
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)
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: FadeBox(
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child: isTesting == false && ipInfo == null
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? Text(
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"timeout",
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style: context.textTheme.titleLarge
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?.copyWith(color: Colors.red)
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.toSoftBold
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.toMinus,
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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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),
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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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