private async Task LoadImage(string imageUri)
{
Uri validUri;
if (!System.Uri.TryCreate(imageUri, UriKind.Absolute, out validUri))
{
return;
}
string imageExtension = Path.GetExtension(validUri.AbsolutePath);
string localImagePath = string.Format("{0}{1}", FileName, imageExtension);
ulong oldFileSize = await GetCachedFileSize(localImagePath);
// the image we have is from the cache
IDownloader downloader = m_DownloadService.CreateDownloader(validUri, ApplicationData.Current.LocalFolder, localImagePath, null);
try
{
// Don't try to download if all we have is the local file
if (!validUri.IsFile)
{
Tracer.TraceInformation("Podcast.LoadImage(): Downloading {0} -> {1}", validUri, localImagePath);
StorageFile localImageFile = await downloader.Download();
Tracer.TraceInformation("Podcast.LoadImage(): Finished downloading {0} -> {1}", validUri, localImageFile.Path);
Image = localImageFile.Path;
ulong newFileSize = await GetCachedFileSize(localImagePath);
if (newFileSize != oldFileSize)
{
NotifyPropertyChanged(() => Image);
}
}
TouchedFiles.Instance.Add(Image);
}
catch (Exception e)
{
Tracer.TraceInformation("Podcast.LoadImage(): Failed downloading {0} -> {1}. {2}", validUri, localImagePath, e);
}
}