public async Task<bool> DownloadAsyncForce(IProgress<int> progress)
{
bool fSaved = false;
try
{
// Download from the inter-tubes
HttpWebRequest hwreq = WebRequest.Create(m_u) as HttpWebRequest;
HttpWebResponse hwresp = (await hwreq.GetResponseAsync()) as HttpWebResponse;
if (hwresp.ResponseUri.AbsoluteUri == m_u.AbsoluteUri)
{
Stream stream = hwresp.GetResponseStream();
BasicFileSaver bis = new BasicFileSaver(UriToSubDirectory(m_u), UriToFilename(m_u), stream, m_u);
fSaved = await bis.SaveAsync(true, null, CancellationToken.None);
}
}
catch
{
}
return fSaved;
}
public async Task<IRandomAccessStream> DownloadAsync(IProgress<int> progress, CancellationToken ct)
{
IRandomAccessStream iras = await DownloadAsyncFromFile(progress);
if (iras != null)
{
return iras;
}
else
{
bool fSaved;
try
{
// Download from the inter-tubes
HttpWebRequest hwreq = WebRequest.Create(m_u) as HttpWebRequest;
HttpWebResponse hwresp = (await hwreq.GetResponseAsync()) as HttpWebResponse;
if (hwresp.ResponseUri.AbsoluteUri == m_u.AbsoluteUri)
{
Stream stream = hwresp.GetResponseStream();
// Save the file out locally - note this moves the stream forward to the end
BasicFileSaver bis = new BasicFileSaver(UriToSubDirectory(m_u), UriToFilename(m_u), stream, m_u);
Progress<ulong> newProgress = null;
if (progress != null)
{
newProgress = new Progress<ulong>((p) =>
{
var percent = (p * 100) / (ulong)hwresp.ContentLength;
progress.Report((int)percent);
});
}
fSaved = await bis.SaveAsync(false, newProgress, ct);
if (progress != null)
{
progress.Report(100);
}
}
else
{
fSaved = false;
}
}
catch
{
fSaved = false;
}
// If we managed to save the file, then read off of the disk - from the place we just saved
return fSaved ? await DownloadAsyncFromFile(progress) : null;
}
}