private void HandleItem(MediaItem item)
{
var fileLength = item.Length;
MediaItem prior = null;
lock(_lengthItem)
{
if (_lengthItem.ContainsKey(fileLength))
{
prior = _lengthItem[fileLength];
}
else
{
_lengthItem[fileLength] = item;
}
}
// If there's a possible match, calculate & compare signatures
if (prior != null)
{
if (!prior.HasSignature)
{
Interlocked.Increment(ref _primarySignaturesCalculated);
_signatures[prior.Signature] = prior;
}
Interlocked.Increment(ref _secondarySignaturesCalculated);
if (_signatures.ContainsKey(item.Signature))
{
Interlocked.Increment(ref _duplicatesRemoved);
var priorItem = _signatures[item.Signature];
if (!item.Identifier.Equals(prior.Identifier) || !item.CreatedDate.Equals(prior.CreatedDate))
{
Interlocked.Increment(ref _questionableDuplicates);
}
return;
}
else
{
_signatures[item.Signature] = item;
}
}
bool wasEmpty = false;
lock (MediaList)
{
wasEmpty = MediaList.Count < 1;
MediaList.Add(item);
}
if (wasEmpty && ItemsAvailable != null)
{
ItemsAvailable();
}
}
private void ShowImage(MediaItem item)
{
Task.Factory.StartNew(() =>
{
try
{
object image = Viewer.LoadImage(item);
PlatformService.InvokeOnUiThread(() =>
{
var message = Viewer.DisplayImage(image);
logger.Info("image {0}; {1}", item.Identifier, message);
});
}
catch (Exception e)
{
logger.Error("Error loading image '{0}': {1}", item.Identifier, e);
}
})
.ContinueWith((a) =>
{
try
{
var message = string.Format(" {0} ", Path.GetFileName(item.ParentDirectoryName));
var location = item.GetLocation();
if (location != null)
{
var placeName = location.PlaceName(Location.PlaceNameFilter.Standard);
message = string.Format("{0} {1}", message, placeName);
}
PlatformService.InvokeOnUiThread(() => Viewer.DisplayInfo(message));
}
catch (Exception ex)
{
logger.Error("Error loading info for {0}: {1}", item.Identifier, ex);
}
});
}
public void AddItem(MediaItem item)
{
Queue.Enqueue(item);
}
public object LoadImage(MediaItem item)
{
using (var pool = new NSAutoreleasePool())
{
using (var stream = item.Stream())
{
var data = NSData.FromStream(stream);
data.Retain();
return data;
}
}
}
