mirror of
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synced 2024-10-23 17:24:18 +08:00
248 lines
8.0 KiB
Dart
248 lines
8.0 KiB
Dart
import 'dart:io';
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import 'package:aria2/aria2.dart';
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import 'package:flutter/services.dart';
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import 'package:hive/hive.dart';
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import 'package:starcitizen_doctor/base/ui_model.dart';
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import 'package:starcitizen_doctor/common/helper/system_helper.dart';
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import 'package:starcitizen_doctor/common/io/aria2c.dart';
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class DownloadsUIModel extends BaseUIModel {
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List<Aria2Task> tasks = [];
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List<Aria2Task> waitingTasks = [];
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List<Aria2Task> stoppedTasks = [];
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Aria2GlobalStat? globalStat;
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final statusMap = {
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"active": "下载中...",
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"waiting": "等待中",
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"paused": "已暂停",
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"error": "下载失败",
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"complete": "下载完成",
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"removed": "已删除",
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};
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final listHeaderStatusMap = {
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"active": "下载中",
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"waiting": "等待中",
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"stopped": "已结束",
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};
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@override
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initModel() {
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super.initModel();
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_listenDownloader();
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}
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onTapButton(String key) async {
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switch (key) {
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case "pause_all":
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if (!Aria2cManager.isAvailable) return;
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await Aria2cManager.getClient().pauseAll();
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return;
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case "resume_all":
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if (!Aria2cManager.isAvailable) return;
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await Aria2cManager.getClient().unpauseAll();
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return;
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case "cancel_all":
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final userOK = await showConfirmDialogs(
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context!, "确认取消全部任务？", const Text("如果文件不再需要，你可能需要手动删除下载文件。"));
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if (userOK == true) {
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if (!Aria2cManager.isAvailable) return;
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try {
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for (var value in [...tasks, ...waitingTasks]) {
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await Aria2cManager.getClient().remove(value.gid!);
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}
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} catch (e) {
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dPrint("DownloadsUIModel cancel_all Error: $e");
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}
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}
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return;
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case "settings":
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_showDownloadSpeedSettings();
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return;
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}
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}
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_listenDownloader() async {
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try {
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while (true) {
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if (!mounted) return;
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if (Aria2cManager.isAvailable) {
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final aria2c = Aria2cManager.getClient();
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tasks.clear();
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tasks = await aria2c.tellActive();
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waitingTasks = await aria2c.tellWaiting(0, 1000000);
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stoppedTasks = await aria2c.tellStopped(0, 1000000);
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globalStat = await aria2c.getGlobalStat();
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notifyListeners();
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}
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await Future.delayed(const Duration(seconds: 1));
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}
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} catch (e) {
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dPrint("[DownloadsUIModel]._listenDownloader Error: $e");
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}
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}
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int getTasksLen() {
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return tasks.length + waitingTasks.length + stoppedTasks.length;
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}
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(Aria2Task, String, bool) getTaskAndType(int index) {
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final tempList = <Aria2Task>[...tasks, ...waitingTasks, ...stoppedTasks];
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if (index >= 0 && index < tasks.length) {
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return (tempList[index], "active", index == 0);
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}
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if (index >= tasks.length && index < tasks.length + waitingTasks.length) {
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return (tempList[index], "waiting", index == tasks.length);
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}
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if (index >= tasks.length + waitingTasks.length &&
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index < tempList.length) {
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return (
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tempList[index],
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"stopped",
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index == tasks.length + waitingTasks.length
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);
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}
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throw Exception("Index out of range or element is null");
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}
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MapEntry<String, String> getTaskTypeAndName(Aria2Task task) {
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if (task.bittorrent == null) {
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String uri = task.files?[0]['uris'][0]['uri'] as String;
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return MapEntry("url", uri.split('/').last);
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} else if (task.bittorrent != null) {
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if (task.bittorrent!.containsKey('info')) {
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var btName = task.bittorrent?["info"]["name"];
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return MapEntry("torrent", btName ?? 'torrent');
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} else {
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return MapEntry("magnet", '[METADATA]${task.infoHash}');
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}
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} else {
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return const MapEntry("metaLink", '==========metaLink============');
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}
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}
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List<Aria2File> getFilesFormTask(Aria2Task task) {
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List<Aria2File> l = [];
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if (task.files != null) {
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for (var element in task.files!) {
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final f = Aria2File.fromJson(element);
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l.add(f);
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}
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}
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return l;
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}
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int getETA(Aria2Task task) {
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if (task.downloadSpeed == null || task.downloadSpeed == 0) return 0;
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final remainingBytes =
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(task.totalLength ?? 0) - (task.completedLength ?? 0);
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return remainingBytes ~/ (task.downloadSpeed!);
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}
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Future<void> resumeTask(String? gid) async {
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final aria2c = Aria2cManager.getClient();
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if (gid != null) {
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await aria2c.unpause(gid);
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}
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}
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Future<void> pauseTask(String? gid) async {
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final aria2c = Aria2cManager.getClient();
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if (gid != null) {
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await aria2c.pause(gid);
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}
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}
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Future<void> cancelTask(String? gid) async {
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await Future.delayed(const Duration(milliseconds: 300));
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if (gid != null) {
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final ok = await showConfirmDialogs(
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context!, "确认取消下载？", const Text("如果文件不再需要，你可能需要手动删除下载文件。"));
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if (ok == true) {
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final aria2c = Aria2cManager.getClient();
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await aria2c.remove(gid);
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}
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}
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}
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openFolder(Aria2Task task) {
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final f = getFilesFormTask(task).firstOrNull;
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if (f != null) {
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SystemHelper.openDir(File(f.path!).absolute.path.replaceAll("/", "\\"));
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}
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}
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Future<void> _showDownloadSpeedSettings() async {
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final box = await Hive.openBox("app_conf");
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final upCtrl = TextEditingController(
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text: box.get("downloader_up_limit", defaultValue: ""));
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final downCtrl = TextEditingController(
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text: box.get("downloader_down_limit", defaultValue: ""));
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final ifr = FilteringTextInputFormatter.allow(RegExp(r'^\d*[km]?$'));
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final ok = await showConfirmDialogs(
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context!,
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"限速设置",
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Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"SC 汉化盒子使用 p2p 网络来加速文件下载，如果您流量有限，可在此处将上传带宽设置为 1(byte)。",
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style: TextStyle(
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fontSize: 14,
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color: Colors.white.withOpacity(.6),
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),
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),
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const SizedBox(height: 24),
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const Text("请输入下载单位，如：1、100k、10m， 0或留空为不限速。"),
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const SizedBox(height: 12),
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const Text("上传限速："),
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const SizedBox(height: 6),
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TextFormBox(
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placeholder: "1、100k、10m、0",
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controller: upCtrl,
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placeholderStyle: TextStyle(color: Colors.white.withOpacity(.6)),
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inputFormatters: [ifr],
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),
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const SizedBox(height: 12),
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const Text("下载限速："),
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const SizedBox(height: 6),
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TextFormBox(
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placeholder: "1、100k、10m、0",
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controller: downCtrl,
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placeholderStyle: TextStyle(color: Colors.white.withOpacity(.6)),
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inputFormatters: [ifr],
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),
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const SizedBox(height: 24),
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Text(
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"* P2P 上传仅在下载文件时进行，下载完成后会关闭 p2p 连接。如您想参与做种，请通过关于页面联系我们。",
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style: TextStyle(
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fontSize: 13,
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color: Colors.white.withOpacity(.6),
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),
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)
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],
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));
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if (ok == true) {
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await handleError(() => Aria2cManager.launchDaemon());
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final aria2c = Aria2cManager.getClient();
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final upByte = Aria2cManager.textToByte(upCtrl.text.trim());
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final downByte = Aria2cManager.textToByte(downCtrl.text.trim());
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final r = await handleError(() => aria2c.changeGlobalOption(Aria2Option()
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..maxOverallUploadLimit = upByte
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..maxOverallDownloadLimit = downByte));
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if (r != null) {
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await box.put('downloader_up_limit', upCtrl.text.trim());
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await box.put('downloader_down_limit', downCtrl.text.trim());
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}
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}
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}
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}
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