public void TestAddNewRequestToBackgroundTransferService()
{
var requestUri = new Uri("http://apis.live.net/v5.0/me/skydrive");
var locationOnDevice = new Uri("/shared/transfers/new_file.txt", UriKind.RelativeOrAbsolute);
const string accessToken = "accessToken";
var backgroundTransferService = new MockBackgroundTransferService();
var builder = new BackgroundDownloadOperation.Builder()
{
AccessToken = accessToken,
BackgroundTransferService = backgroundTransferService,
DownloadLocationOnDevice = locationOnDevice,
RequestUri = requestUri,
BackgroundTransferPreferences = BackgroundTransferPreferences.AllowCellularAndBattery
};
BackgroundDownloadOperation operation = builder.Build();
operation.ExecuteAsync();
Assert.IsTrue(
backgroundTransferService.RequestHasBeenAdded(),
"A BackgroundTransferRequest was NOT added to the BackgroundTransferService.");
}
/// <summary>
/// Downloads the resource with the given path to the downloadLocation using the Windows Phone
/// BackgroundTransferService.
/// </summary>
/// <param name="path">Path to the resource to download</param>
/// <param name="downloadLocation">
/// The path to the file that will contain the download resource.
/// The downloadLocation must exist in /shared/transfers.
/// </param>
/// <param name="ct">a token that is used to cancel the background download operation.</param>
/// <param name="progress">an object that is called to report the background download's progress.</param>
/// <returns>A Task object representing the asynchronous operation.</returns>
public async Task<LiveOperationResult> BackgroundDownloadAsync(
string path,
Uri downloadLocation,
CancellationToken ct,
IProgress<LiveOperationProgress> progress)
{
if (string.IsNullOrWhiteSpace(path))
{
string message = String.Format(CultureInfo.CurrentUICulture,
ResourceHelper.GetString("UrlInvalid"),
"path");
if (path == null)
{
throw new ArgumentNullException("path", message);
}
throw new ArgumentException(message, "path");
}
if (downloadLocation == null)
{
throw new ArgumentNullException("downloadLocation");
}
string filename = Path.GetFileName(downloadLocation.OriginalString);
if (string.IsNullOrEmpty(filename))
{
string message = String.Format(CultureInfo.CurrentUICulture,
ResourceHelper.GetString("UriMissingFileName"),
"downloadLocation");
throw new ArgumentException(message, "downloadLocation");
}
if (!BackgroundTransferHelper.IsRootedInSharedTransfers(downloadLocation))
{
string message = String.Format(CultureInfo.CurrentUICulture,
ResourceHelper.GetString("UriMustBeRootedInSharedTransfers"),
"downloadLocation");
throw new ArgumentException(message, "downloadLocation");
}
Uri requestUri = this.GetResourceUri(path, ApiMethod.Download);
var builder = new BackgroundDownloadOperation.Builder
{
RequestUri = requestUri,
DownloadLocationOnDevice = downloadLocation,
BackgroundTransferService = this.BackgroundTransferService,
Progress = progress,
BackgroundTransferPreferences = this.BackgroundTransferPreferences
};
if (!this.Session.IsValid)
{
LiveLoginResult result = await this.Session.AuthClient.RefreshTokenAsync();
if (result.Status == LiveConnectSessionStatus.Connected)
{
this.Session = result.Session;
}
}
builder.AccessToken = this.Session.AccessToken;
BackgroundDownloadOperation operation = builder.Build();
ct.Register(operation.Cancel);
return await operation.ExecuteAsync();
}