adjust default image provider

MediaBrowser.Providers/FolderImages/DefaultImageProvider.cs

@@ -36,36 +36,42 @@ namespace MediaBrowser.Providers.FolderImages
 
             if (view != null)
             {
-                return GetImages(view.ViewType, cancellationToken);
+                return GetImages(view.ViewType, view.UserId.HasValue, cancellationToken);
             }
 
             var folder = (ICollectionFolder)item;
-            return GetImages(folder.CollectionType, cancellationToken);
+            return GetImages(folder.CollectionType, false, cancellationToken);
         }
 
-        private Task<IEnumerable<RemoteImageInfo>> GetImages(string viewType, CancellationToken cancellationToken)
+        private Task<IEnumerable<RemoteImageInfo>> GetImages(string viewType, bool isUserSpecificView, CancellationToken cancellationToken)
         {
-            var url = GetImageUrl(viewType);
+            var url = GetImageUrl(viewType, isUserSpecificView);
+            var list = new List<RemoteImageInfo>();
 
-            return Task.FromResult<IEnumerable<RemoteImageInfo>>(new List<RemoteImageInfo>
+            if (!string.IsNullOrWhiteSpace(url))
             {
-                 new RemoteImageInfo
+                list.AddRange(new List<RemoteImageInfo>
-                 {
+                {
-                      ProviderName = Name,
+                    new RemoteImageInfo
-                      Url = url,
+                    {
-                      Type = ImageType.Primary
+                        ProviderName = Name,
-                 },
+                        Url = url,
+                        Type = ImageType.Primary
+                    },
 
-                 new RemoteImageInfo
+                    new RemoteImageInfo
-                 {
+                    {
-                      ProviderName = Name,
+                        ProviderName = Name,
-                      Url = url,
+                        Url = url,
-                      Type = ImageType.Thumb
+                        Type = ImageType.Thumb
-                 }
+                    }
-            });
+                });
+            }
+
+            return Task.FromResult<IEnumerable<RemoteImageInfo>>(list);
         }
 
-        private string GetImageUrl(string viewType)
+        private string GetImageUrl(string viewType, bool isUserSpecificView)
         {
             const string urlPrefix = "https://raw.githubusercontent.com/MediaBrowser/MediaBrowser.Resources/master/images/folders/";
 
@@ -102,6 +108,11 @@ namespace MediaBrowser.Providers.FolderImages
                 return urlPrefix + "movies.png";
             }
 
+            if (isUserSpecificView)
+            {
+                return null;
+            }
+
             return urlPrefix + "generic.png";
         }
 
@@ -112,13 +123,6 @@ namespace MediaBrowser.Providers.FolderImages
 
         public bool Supports(IHasImages item)
         {
-            var view = item as UserView;
-
-            if (view != null)
-            {
-                return !view.UserId.HasValue;
-            }
-            
             return item is ICollectionFolder;
         }
 

MediaBrowser.Server.Implementations/Collections/CollectionImageProvider.cs

@@ -14,7 +14,7 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Collections
 {
-    public class CollectionImageProvider : BaseDynamicImageProvider<BoxSet>, ICustomMetadataProvider<BoxSet>
+    public class CollectionImageProvider : BaseDynamicImageProvider<BoxSet>
     {
         public CollectionImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IApplicationPaths applicationPaths) : base(fileSystem, providerManager, applicationPaths)
         {

MediaBrowser.Server.Implementations/Photos/BaseDynamicImageProvider.cs

@@ -15,8 +15,8 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Photos
 {
-    public abstract class BaseDynamicImageProvider<T> : IHasChangeMonitor, IForcedProvider
+    public abstract class BaseDynamicImageProvider<T> : IHasChangeMonitor, IForcedProvider, ICustomMetadataProvider<T>
-        where T : IHasImages
+        where T : IHasMetadata
     {
         protected IFileSystem FileSystem { get; private set; }
         protected IProviderManager ProviderManager { get; private set; }

MediaBrowser.Server.Implementations/Photos/DynamicImageProvider.cs

@@ -13,7 +13,7 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Photos
 {
-    public class DynamicImageProvider : BaseDynamicImageProvider<UserView>, ICustomMetadataProvider<UserView>
+    public class DynamicImageProvider : BaseDynamicImageProvider<UserView>
     {
         private readonly IUserManager _userManager;
         private readonly ILibraryManager _libraryManager;

MediaBrowser.Server.Implementations/Photos/PhotoAlbumImageProvider.cs

@@ -8,7 +8,7 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Photos
 {
-    public class PhotoAlbumImageProvider : BaseDynamicImageProvider<PhotoAlbum>, ICustomMetadataProvider<PhotoAlbum>
+    public class PhotoAlbumImageProvider : BaseDynamicImageProvider<PhotoAlbum>
     {
         public PhotoAlbumImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IApplicationPaths applicationPaths) : base(fileSystem, providerManager, applicationPaths)
         {

MediaBrowser.Server.Implementations/Playlists/PlaylistImageProvider.cs

@@ -14,7 +14,7 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Playlists
 {
-    public class PlaylistImageProvider : BaseDynamicImageProvider<Playlist>, ICustomMetadataProvider<Playlist>
+    public class PlaylistImageProvider : BaseDynamicImageProvider<Playlist>
     {
         public PlaylistImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IApplicationPaths applicationPaths) : base(fileSystem, providerManager, applicationPaths)
         {