fixes #795 - Support reading Xbmc nfo's

MediaBrowser.LocalMetadata/Images/InternalMetadataFolderImageProvider.cs

@@ -0,0 +1,68 @@
+using System.Collections.Generic;
+using System.IO;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Providers;
+
+namespace MediaBrowser.LocalMetadata.Images
+{
+    public class InternalMetadataFolderImageProvider : ILocalImageFileProvider, IHasOrder
+    {
+        private readonly IServerConfigurationManager _config;
+
+        public InternalMetadataFolderImageProvider(IServerConfigurationManager config)
+        {
+            _config = config;
+        }
+
+        public string Name
+        {
+            get { return "Internal Images"; }
+        }
+
+        public bool Supports(IHasImages item)
+        {
+            if (!item.IsSaveLocalMetadataEnabled())
+            {
+                return true;
+            }
+
+            // Extracted images will be saved in here
+            if (item is Audio)
+            {
+                return true;
+            }
+
+            if (item.SupportsLocalMetadata)
+            {
+                return false;
+            }
+            
+            return true;
+        }
+
+        public int Order
+        {
+            get
+            {
+                // Make sure this is last so that all other locations are scanned first
+                return 1000;
+            }
+        }
+
+        public List<LocalImageInfo> GetImages(IHasImages item, IDirectoryService directoryService)
+        {
+            var path = _config.ApplicationPaths.GetInternalMetadataPath(item.Id);
+
+            try
+            {
+                return new LocalImageProvider().GetImages(item, path, directoryService);
+            }
+            catch (DirectoryNotFoundException)
+            {
+                return new List<LocalImageInfo>();
+            }
+        }
+    }
+}