private static void OnUriSourceChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
Image image = (Image)o;
// ISSUE: explicit reference operation
Uri newValue = (Uri)e.NewValue;
if (newValue == null)
{
image.Source = (null);
ImageViewerLowProfileImageLoader.Log("OnUriSourceChanged uri = NULL");
}
else
{
ImageViewerLowProfileImageLoader.Log(string.Format("OnUriSourceChanged uri = {0}", newValue));
Stream cachedImageStream = ImageCache.Current.GetCachedImageStream(newValue.OriginalString);
if (cachedImageStream != null)
{
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.CreateOptions = ((BitmapCreateOptions)18);
((BitmapSource)bitmapImage).SetSource(cachedImageStream);
image.Source = ((ImageSource)bitmapImage);
// ISSUE: reference to a compiler-generated field
if (ImageViewerLowProfileImageLoader.ImageDownloaded == null)
{
return;
}
// ISSUE: reference to a compiler-generated field
ImageViewerLowProfileImageLoader.ImageDownloaded(null, new EventArgs());
}
else if (!newValue.IsAbsoluteUri || !ImageViewerLowProfileImageLoader.IsEnabled || DesignerProperties.IsInDesignTool)
{
newValue.ToString();
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.CreateOptions = ((BitmapCreateOptions)18);
bitmapImage.UriSource = newValue;
image.Source = ((ImageSource)bitmapImage);
// ISSUE: reference to a compiler-generated field
if (ImageViewerLowProfileImageLoader.ImageDownloaded == null)
{
return;
}
// ISSUE: reference to a compiler-generated field
ImageViewerLowProfileImageLoader.ImageDownloaded(null, new EventArgs());
}
else
{
lock (ImageViewerLowProfileImageLoader._syncBlock)
{
ImageViewerLowProfileImageLoader._pendingRequests.Enqueue(new ImageViewerLowProfileImageLoader.PendingRequest(image, newValue));
Monitor.Pulse(ImageViewerLowProfileImageLoader._syncBlock);
}
}
}
}
private static void OnUriSourceChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
Image image = (Image)o;
Uri uri = (Uri)e.NewValue;
if (uri == null)
{
image.Source = null;
ImageViewerLowProfileImageLoader.Log("OnUriSourceChanged uri = NULL");
}
else
{
ImageViewerLowProfileImageLoader.Log(string.Format("OnUriSourceChanged uri = {0}", (object)uri));
Stream cachedImageStream = ImageCache.Current.GetCachedImageStream(uri.OriginalString);
if (cachedImageStream != null)
{
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.CreateOptions = BitmapCreateOptions.DelayCreation | BitmapCreateOptions.BackgroundCreation;
bitmapImage.SetSource(cachedImageStream);
image.Source = (ImageSource)bitmapImage;
if (ImageViewerLowProfileImageLoader.ImageDownloaded == null)
{
return;
}
ImageViewerLowProfileImageLoader.ImageDownloaded(null, new EventArgs());
}
else if (!uri.IsAbsoluteUri || !ImageViewerLowProfileImageLoader.IsEnabled || DesignerProperties.IsInDesignTool)
{
uri.ToString();
image.Source = (ImageSource) new BitmapImage()
{
CreateOptions = (BitmapCreateOptions.DelayCreation | BitmapCreateOptions.BackgroundCreation),
UriSource = uri
};
if (ImageViewerLowProfileImageLoader.ImageDownloaded == null)
{
return;
}
ImageViewerLowProfileImageLoader.ImageDownloaded(null, new EventArgs());
}
else
{
lock (ImageViewerLowProfileImageLoader._syncBlock)
{
ImageViewerLowProfileImageLoader._pendingRequests.Enqueue(new ImageViewerLowProfileImageLoader.PendingRequest(image, uri));
Monitor.Pulse(ImageViewerLowProfileImageLoader._syncBlock);
}
}
}
}
private static void WorkerThreadProc(object unused)
{
Random random = new Random();
List <ImageViewerLowProfileImageLoader.PendingRequest> pendingRequestList = new List <ImageViewerLowProfileImageLoader.PendingRequest>();
Queue <IAsyncResult> asyncResultQueue = new Queue <IAsyncResult>();
while (!ImageViewerLowProfileImageLoader._exiting)
{
lock (ImageViewerLowProfileImageLoader._syncBlock)
{
if (ImageViewerLowProfileImageLoader._pendingRequests.Count == 0 && ImageViewerLowProfileImageLoader._pendingResponses.Count == 0 && (pendingRequestList.Count == 0 && asyncResultQueue.Count == 0))
{
Monitor.Wait(ImageViewerLowProfileImageLoader._syncBlock);
if (ImageViewerLowProfileImageLoader._exiting)
{
break;
}
}
while (0 < ImageViewerLowProfileImageLoader._pendingRequests.Count)
{
ImageViewerLowProfileImageLoader.PendingRequest local_7 = ImageViewerLowProfileImageLoader._pendingRequests.Dequeue();
for (int local_8 = 0; local_8 < pendingRequestList.Count; ++local_8)
{
if (pendingRequestList[local_8].Image == local_7.Image)
{
pendingRequestList[local_8] = local_7;
local_7 = (ImageViewerLowProfileImageLoader.PendingRequest)null;
break;
}
}
if (local_7 != null)
{
pendingRequestList.Add(local_7);
}
}
while (0 < ImageViewerLowProfileImageLoader._pendingResponses.Count)
{
asyncResultQueue.Enqueue(ImageViewerLowProfileImageLoader._pendingResponses.Dequeue());
}
}
Queue <ImageViewerLowProfileImageLoader.PendingCompletion> pendingCompletions = new Queue <ImageViewerLowProfileImageLoader.PendingCompletion>();
int count = pendingRequestList.Count;
for (int index1 = 0; 0 < count && index1 < 5; ++index1)
{
int index2 = random.Next(count);
ImageViewerLowProfileImageLoader.PendingRequest pendingRequest = pendingRequestList[index2];
pendingRequestList[index2] = pendingRequestList[count - 1];
pendingRequestList.RemoveAt(count - 1);
--count;
HttpWebRequest http = WebRequest.CreateHttp(pendingRequest.Uri);
http.AllowReadStreamBuffering = true;
http.BeginGetResponse(new AsyncCallback(ImageViewerLowProfileImageLoader.HandleGetResponseResult), (object)new ImageViewerLowProfileImageLoader.ResponseState((WebRequest)http, pendingRequest.Image, pendingRequest.Uri, pendingRequest.Timestamp));
Thread.Sleep(1);
}
for (int index = 0; 0 < asyncResultQueue.Count && index < 5; ++index)
{
IAsyncResult asyncResult = asyncResultQueue.Dequeue();
ImageViewerLowProfileImageLoader.ResponseState responseState = (ImageViewerLowProfileImageLoader.ResponseState)asyncResult.AsyncState;
try
{
WebResponse response = responseState.WebRequest.EndGetResponse(asyncResult);
pendingCompletions.Enqueue(new ImageViewerLowProfileImageLoader.PendingCompletion(responseState.Image, responseState.Uri, response.GetResponseStream(), responseState.Timestamp));
}
catch (WebException ex)
{
Logger.Instance.Error(string.Format("LowProfileImageLoader exception when fetching {0}", (object)responseState.Uri.OriginalString), (Exception)ex);
}
Thread.Sleep(1);
}
if (0 < pendingCompletions.Count)
{
Deployment.Current.Dispatcher.BeginInvoke((Action)(() =>
{
while (0 < pendingCompletions.Count)
{
ImageViewerLowProfileImageLoader.PendingCompletion pendingCompletion = pendingCompletions.Dequeue();
if (ImageViewerLowProfileImageLoader.GetUriSource(pendingCompletion.Image) == pendingCompletion.Uri)
{
BitmapImage bitmapImage;
if (pendingCompletion.Image.Source == null)
{
bitmapImage = new BitmapImage()
{
CreateOptions = BitmapCreateOptions.BackgroundCreation
}
}
;
else
{
bitmapImage = new BitmapImage();
}
try
{
bitmapImage.SetSource(pendingCompletion.Stream);
}
catch (Exception ex)
{
Logger.Instance.Error("Error of reading image", ex);
}
pendingCompletion.Image.Source = (ImageSource)bitmapImage;
DateTime now = DateTime.Now;
if (ImageViewerLowProfileImageLoader.ImageDownloaded != null)
{
ImageViewerLowProfileImageLoader.ImageDownloaded(null, new EventArgs());
}
ImageViewerLowProfileImageLoader.Log(string.Format("Downloaded image {0} in {1} ms.", (object)pendingCompletion.Uri.OriginalString, (object)(now - pendingCompletion.Timestamp).TotalMilliseconds));
}
pendingCompletion.Stream.Dispose();
}
}));
}
}
}
