public BitmapType FetchNowOrAsyncDownload(string url, int maxWidth, int maxHeight, Action <BitmapType> callback)
{
if (null != this.service)
{
ImageCachingService.OutBitmap instantResult = new ImageCachingService.OutBitmap();
this.service.DownloadImageAsync(url, maxWidth, maxHeight, callback, instantResult);
return(instantResult.Bitmap);
}
pendingDownload.Add(new PendingDownload(url, maxWidth, maxHeight, callback));
DownloadNow();
return(null);
}
protected void DownloadNow()
{
if (this.service == null)
{
return;
}
foreach (PendingDownload pending in pendingDownload)
{
ImageCachingService.OutBitmap instantResult = new ImageCachingService.OutBitmap();
this.service.DownloadImageAsync(pending.Url, pending.MaxWidth, pending.MaxHeight, pending.Callback, instantResult);
if (null != instantResult.Bitmap)
{
pending.Callback(instantResult.Bitmap);
}
}
}
