public async Task ReloadUnmountedDrivesAsync()
{
var unmountedDrives = await GetUnmountedDrivesAsync();
var oldRoots = _unmountedDrives.Select(d => d.FullName).ToHashSet();
var newRoots = unmountedDrives.Select(d => d.FullName).ToHashSet();
var addedDrives = unmountedDrives
.Where(udm => !oldRoots.Contains(udm.FullName))
.ToArray();
var removedDrives = UnmountedDrives
.Where(udm => !newRoots.Contains(udm.FullName))
.ToArray();
foreach (var unmountedDriveModel in addedDrives)
{
_unmountedDrives.Add(unmountedDriveModel);
DriveAdded.Raise(this, CreateFrom(unmountedDriveModel));
}
foreach (var unmountedDriveModel in removedDrives)
{
_unmountedDrives.Remove(unmountedDriveModel);
DriveRemoved.Raise(this, CreateFrom(unmountedDriveModel));
}
}
public void ReloadMountedDrives()
{
var oldRoots = _mountedDrives.Select(d => d.RootDirectory).ToHashSet();
var drives = GetMountedDrives();
var newRoots = drives.Select(d => d.RootDirectory).ToHashSet();
var addedDrives = drives
.Where(dm => !oldRoots.Contains(dm.RootDirectory))
.ToArray();
var removedDrives = MountedDrives
.Where(dm => !newRoots.Contains(dm.RootDirectory))
.ToArray();
foreach (var driveModel in addedDrives)
{
_mountedDrives.Add(driveModel);
DriveAdded.Raise(this, CreateFrom(driveModel));
}
foreach (var driveModel in removedDrives)
{
_mountedDrives.Remove(driveModel);
DriveRemoved.Raise(this, CreateFrom(driveModel));
}
// TODO: updated drives
}
private async static void HardDeviceList_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Low, async() =>
{
switch (e.Action)
{
case System.Collections.Specialized.NotifyCollectionChangedAction.Add:
{
if (DriveAdded != null)
{
foreach (DriveDataBase Drive in e.NewItems)
{
await DriveAdded.InvokeAsync(null, await DriveChangeDeferredEventArgs.CreateAsync(Drive));
}
}
break;
}
case System.Collections.Specialized.NotifyCollectionChangedAction.Remove:
{
if (DriveRemoved != null)
{
foreach (DriveDataBase Drive in e.OldItems)
{
await DriveRemoved.InvokeAsync(null, await DriveChangeDeferredEventArgs.CreateAsync(Drive));
}
}
break;
}
}
});
}
public void ReloadMountedDrives()
{
var oldRoots = _mountedDrives.Select(d => d.RootDirectory).ToHashSet();
var drives = GetMountedDrives();
var newRoots = drives.Select(d => d.RootDirectory).ToHashSet();
var addedDrives = drives
.Where(dm => !oldRoots.Contains(dm.RootDirectory))
.ToArray();
var removedDrives = MountedDrives
.Where(dm => !newRoots.Contains(dm.RootDirectory))
.ToArray();
var updatedDrives = _mountedDrives.Except(removedDrives).ToArray();
foreach (var driveModel in updatedDrives)
{
var newDriveModel = drives.Single(d => d.RootDirectory == driveModel.RootDirectory);
if (!CheckIfDiffer(driveModel, newDriveModel))
{
continue;
}
Update(driveModel, newDriveModel);
DriveUpdated.Raise(this, CreateFrom(driveModel));
}
foreach (var driveModel in addedDrives)
{
_mountedDrives.Add(driveModel);
DriveAdded.Raise(this, CreateFrom(driveModel));
}
foreach (var driveModel in removedDrives)
{
_mountedDrives.Remove(driveModel);
DriveRemoved.Raise(this, CreateFrom(driveModel));
}
}
private void VolumeChangeHandler(object sender, EventArrivedEventArgs e)
{
var uuid = e.NewEvent.GetQualifierValue("UUID").ToString();
var eventType = e.NewEvent.Properties["EventType"].Value.ToString();
if (eventType == "3") //"Remove" event
{
if (AllDrives.TryGetValue(uuid, out var removedDrive) && !removedDrive.Monitored && AllDrives.TryRemove(uuid, out _))
{
DriveRemoved?.Invoke(this, new DriveConnectionEventArgs(removedDrive));
}
return;
}
var volume = e.NewEvent.GetPropertyValue("DriveName").ToString();
var volumeLabel = new DriveInfo(volume.Substring(0, 1)).VolumeLabel;
Debug.WriteLine($"Drive connected. UUID={uuid}, volume={volume}, volumeLabel={volumeLabel}");
var drive = AllDrives.GetOrAdd(
uuid,
key => new UsbDrive(key)
{
DriveLetter = volume,
VolumeName = volumeLabel
}
);
drive.DriveLetter = volume;
drive.VolumeName = volumeLabel;
if (drive.Monitored)
{
drive.ExecuteCommand();
}
DriveArrived?.Invoke(this, new DriveConnectionEventArgs(drive));
}