void ReinitializeFile(ICursor cursor)
{
var downloadFile = new DownloadFileImplementation(cursor);
AddFile(downloadFile);
UpdateFileProperties(cursor, downloadFile);
}
public DownloadManagerImplementation()
{
_queue = new List <IDownloadFile>();
// Enumerate outstanding downloads.
BackgroundDownloader.GetCurrentDownloadsAsync().AsTask().ContinueWith((downloadOperationsTask) => {
foreach (var downloadOperation in downloadOperationsTask.Result)
{
var downloadFile = new DownloadFileImplementation(downloadOperation);
_queue.Add(downloadFile);
}
});
}
/**
* Move the downloaded file to it's destination
*/
public bool MoveDownloadedFile(DownloadFileImplementation file, NSUrl location, string destinationPathName)
{
var fileManager = NSFileManager.DefaultManager;
var destinationUrl = new NSUrl(destinationPathName, false);
NSError removeCopy;
NSError errorCopy;
fileManager.Remove(destinationUrl, out removeCopy);
var success = fileManager.Copy(location, destinationUrl, out errorCopy);
if (!success)
{
file.StatusDetails = errorCopy.LocalizedDescription;
file.Status = DownloadFileStatus.FAILED;
}
return(success);
}
/**
* Update the properties for a file by it's cursor.
* This method should be called in an interval and on reinitialization.
*/
public void UpdateFileProperties(ICursor cursor, DownloadFileImplementation downloadFile)
{
downloadFile.TotalBytesWritten = cursor.GetInt(cursor.GetColumnIndex(Android.App.DownloadManager.ColumnBytesDownloadedSoFar));
downloadFile.TotalBytesExpected = cursor.GetInt(cursor.GetColumnIndex(Android.App.DownloadManager.ColumnTotalSizeBytes));
switch ((DownloadStatus)cursor.GetInt(cursor.GetColumnIndex(Android.App.DownloadManager.ColumnStatus)))
{
case DownloadStatus.Successful:
downloadFile.StatusDetails = default(string);
downloadFile.Status = DownloadFileStatus.COMPLETED;
RemoveFile(downloadFile);
break;
case DownloadStatus.Failed:
downloadFile.Status = DownloadFileStatus.FAILED;
RemoveFile(downloadFile);
var reasonFailed = cursor.GetInt(cursor.GetColumnIndex(Android.App.DownloadManager.ColumnReason));
if (reasonFailed < 600)
{
downloadFile.StatusDetails = "Error.HttpCode: " + reasonFailed;
}
else
{
switch ((DownloadError)reasonFailed)
{
case DownloadError.CannotResume:
downloadFile.StatusDetails = "Error.CannotResume";
break;
case DownloadError.DeviceNotFound:
downloadFile.StatusDetails = "Error.DeviceNotFound";
break;
case DownloadError.FileAlreadyExists:
downloadFile.StatusDetails = "Error.FileAlreadyExists";
break;
case DownloadError.FileError:
downloadFile.StatusDetails = "Error.FileError";
break;
case DownloadError.HttpDataError:
downloadFile.StatusDetails = "Error.HttpDataError";
break;
case DownloadError.InsufficientSpace:
downloadFile.StatusDetails = "Error.InsufficientSpace";
break;
case DownloadError.TooManyRedirects:
downloadFile.StatusDetails = "Error.TooManyRedirects";
break;
case DownloadError.UnhandledHttpCode:
downloadFile.StatusDetails = "Error.UnhandledHttpCode";
break;
case DownloadError.Unknown:
downloadFile.StatusDetails = "Error.Unknown";
break;
default:
downloadFile.StatusDetails = "Error.Unregistered: " + reasonFailed;
break;
}
}
break;
case DownloadStatus.Paused:
downloadFile.Status = DownloadFileStatus.PAUSED;
var reasonPaused = cursor.GetInt(cursor.GetColumnIndex(Android.App.DownloadManager.ColumnReason));
switch ((DownloadPausedReason)reasonPaused)
{
case DownloadPausedReason.QueuedForWifi:
downloadFile.StatusDetails = "Paused.QueuedForWifi";
break;
case DownloadPausedReason.WaitingToRetry:
downloadFile.StatusDetails = "Paused.WaitingToRetry";
break;
case DownloadPausedReason.WaitingForNetwork:
downloadFile.StatusDetails = "Paused.WaitingForNetwork";
break;
case DownloadPausedReason.Unknown:
downloadFile.StatusDetails = "Paused.Unknown";
break;
default:
downloadFile.StatusDetails = "Paused.Unregistered: " + reasonPaused;
break;
}
break;
case DownloadStatus.Pending:
downloadFile.StatusDetails = default(string);
downloadFile.Status = DownloadFileStatus.PENDING;
break;
case DownloadStatus.Running:
downloadFile.StatusDetails = default(string);
downloadFile.Status = DownloadFileStatus.RUNNING;
break;
}
}
