private DocumentFile CreateFile(DownloadDetails details, DownloadDetails.RootDirectoryDetails root, bool useExistingFile)
{
lock (LockFile)
{
return(useExistingFile ? details.FindOrCreateFile(root) : details.CreateNewFile(root));
}
}
public DownloadDetails AddDownloadDetails(string url, string downloadLocation, string fileName, string mimeType)
{
var downloadId = GetNextDownloadId();
var downloadDetails = new DownloadDetails(downloadId, url, fileName, downloadLocation, mimeType);
return(AddDownloadDetails(downloadDetails));
}
public void StopDownload(DownloadDetails downloadDetails)
{
if (_downloadTasks.TryRemove(downloadDetails, out var downloadTask))
{
downloadTask.Abort();
}
DownloadManager.Instance.TriggerDownloadCancelledEvent(downloadDetails);
}
private DownloadDetails AddDownloadDetails(DownloadDetails downloadDetails)
{
_downloadDetails.AddOrUpdate(downloadDetails.DownloadId ?? Int32.MaxValue, downloadDetails, (previous, current) => downloadDetails);
var connection = DatabaseConnectionManager.GetConnection();
connection.InsertOrReplace(downloadDetails);
connection.Commit();
return(downloadDetails);
}
public void Update(DownloadDetails downloadDetails)
{
DownloadStatus = downloadDetails.DownloadStatus;
ContentUri = ContentUri ?? downloadDetails.ContentUri;
if (DownloadStatus == (int)Status.Downloaded)
{
CurrentProgress.Update(0, 0);
}
CurrentProgress.Update(downloadDetails.CurrentProgress);
}
public void ResumeDownloadTask(DownloadManagerConfiguration configuration, DownloadDetails downloadDetails)
{
if (_downloadTasks.TryRemove(downloadDetails, out var downloadTask))
{
downloadTask.Abort();
}
downloadTask = new Thread(OnDownloadTaskStarted);
_downloadTasks.AddOrUpdate(downloadDetails, downloadTask, (details, thread) => downloadTask);
downloadTask.Start(new object[] { configuration, downloadDetails, true });
}
public void OpenFile(DownloadDetails details)
{
CheckWhetherDownloadManagerIsConfigured();
var task = new Task <DocumentFile>(() =>
{
if (StorageUtils.IsInAnyStorageDevices(_configuration.Context, details.DownloadDirectory, out string rootDirectory) == false)
{
throw new System.Exception($"Could not locate the root directory for the download location, '{details.DownloadDirectory}'.");
}
var rootDirectoryDocument = _configuration.StoragePermissionsHandler.RequestStoragePermission(rootDirectory);
var rootDetails = new DownloadDetails.RootDirectoryDetails(rootDirectory, rootDirectoryDocument);
return(details.FindFile(rootDetails));
});
task.ContinueWith(result =>
{
try
{
var foundFile = result.Result;
if (foundFile == null)
{
throw new FileNotFoundException($"The file '{details.FileName}' could not be located. Perhaps it was moved or deleted.");
}
TriggerOpenFileIntent(_configuration.Context, foundFile.Uri, details.MimeType);
}
catch (ActivityNotFoundException ex) { OnOpenRequestError?.Invoke(this, ex); }
catch (FileNotFoundException ex) { OnOpenRequestError?.Invoke(this, ex); }
catch { /* IGNORED */ }
});
task.Start();
}
public DownloadDetails UpdateDownloadDetails(DownloadDetails downloadDetails)
{
return(AddDownloadDetails(downloadDetails));
}
internal void TriggerDownloadCompletedEvent(DownloadDetails details)
{
details.UpdateStatus(DownloadDetails.Status.Downloaded);
OnDownloadCompleted?.Invoke(this, details);
}
internal void TriggerDownloadProgressChangedEvent(DownloadDetails details, long downloadedSize, long totalSize)
{
OnDownloadProgressChanged?.Invoke(this, details, downloadedSize, totalSize);
}
internal void TriggerDownloadErrorOccurredEvent(DownloadDetails details, Exception errorDetails)
{
details.UpdateStatus(DownloadDetails.Status.Error);
OnDownloadErrorOccurred?.Invoke(this, details, errorDetails);
}
internal void TriggerDownloadCancelledEvent(DownloadDetails details)
{
details.UpdateStatus(DownloadDetails.Status.Paused);
OnDownloadCancelled?.Invoke(this, details);
}
internal void TriggerDownloadStartedEvent(DownloadDetails details, long fileSize)
{
details.UpdateStatus(DownloadDetails.Status.Downloading);
OnDownloadStarted?.Invoke(this, details, fileSize);
}
