public DownloadingTaskItemViewModel(IDiskFile diskFile) : base(diskFile)
{
// 方法一：
//var downloadItem = TaskManager.GetTaskManagerByLocalDiskUser(UserMounted).GetDownloadItemById(FileId);
//if (downloadItem == null) return;
//downloadItem.DownloadProgressChangedEvent += OnDownloadProgressChanged;
//downloadItem.DownloadStateChangedEvent += OnDownloadStateChanged;
// 方法二
//TaskManager.GetTaskManagerByLocalDiskUser(UserMounted).SubEvents(OnDownloadStateChanged,
// OnDownloadProgressChanged, FileId);
}
public DownloadingTaskItemViewModel(IUnityContainer container, IDiskFile diskFile)
: base(container, diskFile)
{
PauseTaskCommand = new Command(PauseTaskCommandExecute, PauseTaskCommandCanExecute);
StartTaskCommand = new Command(StartTaskCommandExecute, StartTaskCommandCanExecute);
CancelTaskCommand = new Command(CancelTaskCommandExecute);
EventAggregator.GetEvent <DownloadProgressChangedEvent>().Subscribe(OnDownloadProgressChanged,
ThreadOption.UIThread,
keepSubscriberReferenceAlive: false,
filter: e => e.FileId == FileId);
EventAggregator.GetEvent <DownloadStateChangedEvent>().Subscribe(OnDownloadStateChanged,
ThreadOption.UIThread,
keepSubscriberReferenceAlive: false,
filter: e => e.FileId == FileId);
}
protected DownloadTaskItemViewModel(IUnityContainer container, IDiskFile diskFile)
: base(container)
{
_diskFile = diskFile;
OpenFolderCommand = new Command(OpenFolderCommandExecuteAsync, () => File.Exists(FilePath.FullPath));
}
public DownloadingTaskItemViewModel(IUnityContainer container, ILocalDiskUser localDiskUser, IDiskFile diskFile)
: base(container, diskFile)
{
// TODO: Temporary solution.
_localDiskUser = localDiskUser;
PauseTaskCommand = new Command(PauseTaskCommandExecute, () => DownloadState == DownloadStateEnum.Downloading || DownloadState == DownloadStateEnum.Waiting);
StartTaskCommand = new Command(StartTaskCommandExecute, () => DownloadState == DownloadStateEnum.Paused);
CancelTaskCommand = new Command(CancelTaskCommandExecute);
EventAggregator.GetEvent <DownloadProgressChangedEvent>().Subscribe(OnDownloadProgressChanged,
ThreadOption.UIThread,
keepSubscriberReferenceAlive: false,
filter: e => e.FileId == FileId);
EventAggregator.GetEvent <DownloadStateChangedEvent>().Subscribe(OnDownloadStateChanged,
ThreadOption.UIThread,
keepSubscriberReferenceAlive: false,
filter: e => e.FileId == FileId);
}
public DownloadedTaskItemViewModel(IUnityContainer container, IDiskFile diskFile)
: base(container, diskFile)
{
OpenFileCommand = new Command(OpenFileCommandExecuteAsync, () => File.Exists(FilePath.FullPath));
ClearRecordCommand = new Command(ClearRecordCommandExecute);
}
public TaskItemViewModel(IDiskFile diskFile)
{
_diskFile = diskFile;
}
