app/lib/ui/tools/downloader/downloader_dialog_ui_model.dart

101 lines
2.5 KiB
Dart
Raw Normal View History

2023-10-09 09:32:07 +08:00
import 'dart:io';
import 'package:file_picker/file_picker.dart';
import 'package:hyper_thread_downloader/hyper_thread_downloader.dart';
import 'package:starcitizen_doctor/base/ui_model.dart';
class DownloaderDialogUIModel extends BaseUIModel {
final String fileName;
String savePath;
final String downloadUrl;
final bool showChangeSavePathDialog;
final int threadCount;
DownloaderDialogUIModel(this.fileName, this.savePath, this.downloadUrl,
{this.showChangeSavePathDialog = false, this.threadCount = 1});
final downloader = HyperDownload();
int? downloadTaskId;
bool isInMerging = false;
double? progress;
double? speed;
double? remainTime;
int? count;
int? total;
@override
void initModel() {
super.initModel();
_initDownload();
}
_initDownload() async {
if (showChangeSavePathDialog) {
final userSelect = await FilePicker.platform.saveFile(
initialDirectory: savePath,
fileName: fileName,
lockParentWindow: true);
if (userSelect == null) {
Navigator.pop(context!);
return;
}
final f = File(userSelect);
if (await f.exists()) {
await f.delete();
}
savePath = userSelect;
dPrint(savePath);
notifyListeners();
} else {
savePath = "$savePath/$fileName";
}
// start download
downloader.startDownload(
url: downloadUrl,
savePath: savePath,
threadCount: threadCount,
prepareWorking: (bool done) {},
workingMerge: (bool done) {
isInMerging = true;
progress = null;
notifyListeners();
},
downloadProgress: ({
required double progress,
required double speed,
required double remainTime,
required int count,
required int total,
}) {
this.progress = ((progress) * 100);
this.speed = speed;
this.remainTime = remainTime;
this.count = count;
this.total = total;
notifyListeners();
},
downloadComplete: () {
notifyListeners();
Navigator.pop(context!, savePath);
},
downloadFailed: (String reason) {
notifyListeners();
showToast(context!, "下载失败! $reason");
},
downloadTaskId: (int id) {
downloadTaskId = id;
},
downloadingLog: (String log) {});
}
doCancel() {
if (downloadTaskId != null) {
downloader.stopDownload(id: downloadTaskId!);
}
Navigator.pop(context!, "cancel");
}
}