/// <summary>
/// Refreshes the list of availalable drives.
/// </summary>
/// <returns>The status of the drives.</returns>
public DriveStatus RefreshDrives()
{
if (this.driveService == null)
{
throw new InvalidOperationException("Media type must be selected first.");
}
// Initialize the drives
DriveStatus result = this.driveService.Initialize();
this.logging.Write("Devices initialized", result.ToString());
// Display the next screen
switch (this.mediaType)
{
case MediaType.Usb:
this.PopulateUsbDrives();
this.view.DisplayUsbScreen();
this.view.ScreenTitle = Properties.Resources.TitleUsb;
break;
case MediaType.Dvd:
this.view.DisplayDvdScreen();
this.view.ScreenTitle = Properties.Resources.TitleDvd;
break;
default:
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, "Invalid media type {0}.", this.mediaType));
}
this.view.DriveStatus = result;
return(result);
}
/// <summary>
/// Begins the backup process.
/// </summary>
/// <param name="drivePath">The path to the selected drive.</param>
public void BeginBackup(string drivePath)
{
// Re-initilize the drive service to get the lastest status before begining.
DriveStatus status = this.RefreshDrives();
if (status == DriveStatus.Ready && this.mediaType == MediaType.Usb)
{
// Don't continue for empty drive path. Happens if the user clicks continue without selecting a drive.
if (String.IsNullOrEmpty(drivePath))
{
return;
}
status = this.driveService.SetActiveDrive(drivePath);
this.logging.Write("Drive selected", drivePath, status.ToString());
}
string driveLabel = GetDriveLabel(this.driveService.ActiveDrive);
this.view.SelectedDriveLabel = driveLabel;
// Display appropriate prompts for erasing the drive before allowing to continue backup.
bool ready = status == DriveStatus.Ready ||
(status == DriveStatus.DeviceNotBlank &&
DialogResult.OK == this.view.DisplayMessage(
String.Format(CultureInfo.InvariantCulture, Properties.Resources.UsbEraseMessage, driveLabel),
Properties.Resources.UsbFreeSpaceCaption,
Properties.Resources.UsbFreeSpaceErase,
Properties.Resources.UsbFreeSpaceCancel) &&
DialogResult.Yes == MessageBox.Show(
String.Format(CultureInfo.InvariantCulture, Properties.Resources.UsbEraseConfirm, driveLabel),
Properties.Resources.UsbFreeSpaceCaption,
MessageBoxButtons.YesNo,
MessageBoxIcon.None,
MessageBoxDefaultButton.Button2,
0));
// Begin burning if ready.
if (ready)
{
this.view.DisableStandby = true; // Disable standby during backup.
this.canceling = false;
this.driveService.BeginBackup();
this.view.DisplayProgressScreen();
this.view.ScreenTitle = this.mediaType == MediaType.Usb
? Properties.Resources.TitleUsbProgress
: Properties.Resources.TitleDvdProgress;
this.logging.Write("Backup started");
}
else
{
this.view.DriveStatus = status;
}
}
