hackish code to allow emptying of trash. This really should be done on the inventory server, and not from the region.

Also: it appeared to work the first try, so I have probably done something horribly wrong.

OpenSim/Framework/Communications/Cache/UserProfileCacheService.cs

@@ -136,7 +136,7 @@ namespace OpenSim.Framework.Communications.Cache
         /// <param name="fetchFolders"></param>
         /// <param name="fetchItems"></param>
         /// <param name="sortOrder"></param>
-        public void HandleFecthInventoryDescendents(IClientAPI remoteClient, LLUUID folderID, LLUUID ownerID,
+        public void HandleFetchInventoryDescendents(IClientAPI remoteClient, LLUUID folderID, LLUUID ownerID,
                                                     bool fetchFolders, bool fetchItems, int sortOrder)
         {
             InventoryFolderImpl fold = null;
@@ -181,6 +181,26 @@ namespace OpenSim.Framework.Communications.Cache
             }
         }
 
+        public void HandlePurgeInventoryDescendents(IClientAPI remoteClient, LLUUID folderID)
+        {
+            CachedUserInfo userProfile;
+            if (m_userProfiles.TryGetValue(remoteClient.AgentId, out userProfile))
+            {
+                if (userProfile.RootFolder != null)
+                {
+                    InventoryFolderImpl subFolder = userProfile.RootFolder.HasSubFolder(folderID);
+                    if (subFolder != null)
+                    {
+                        List<InventoryItemBase> items=subFolder.RequestListOfItems();
+                        foreach(InventoryItemBase item in items)
+                        {
+                            userProfile.DeleteItem(remoteClient.AgentId, item);
+                        }
+                    }
+                }
+            }
+        }
+
         public void HandleFetchInventory(IClientAPI remoteClient, LLUUID itemID, LLUUID ownerID)
         {
             if (ownerID == libraryRoot.agentID)

OpenSim/Framework/IClientAPI.cs

@@ -306,6 +306,9 @@ namespace OpenSim.Framework
     public delegate void FetchInventoryDescendents(
         IClientAPI remoteClient, LLUUID folderID, LLUUID ownerID, bool fetchFolders, bool fetchItems, int sortOrder);
 
+    public delegate void PurgeInventoryDescendents(
+        IClientAPI remoteClient, LLUUID folderID);
+
     public delegate void FetchInventory(IClientAPI remoteClient, LLUUID itemID, LLUUID ownerID);
 
     public delegate void RequestTaskInventory(IClientAPI remoteClient, uint localID);
@@ -398,6 +401,7 @@ namespace OpenSim.Framework
         event CreateNewInventoryItem OnCreateNewInventoryItem;
         event CreateInventoryFolder OnCreateNewInventoryFolder;
         event FetchInventoryDescendents OnFetchInventoryDescendents;
+        event PurgeInventoryDescendents OnPurgeInventoryDescendents;
         event FetchInventory OnFetchInventory;
         event RequestTaskInventory OnRequestTaskInventory;
         event UpdateInventoryItem OnUpdateInventoryItem;

OpenSim/Region/ClientStack/ClientView.cs

@@ -430,6 +430,7 @@ namespace OpenSim.Region.ClientStack
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event FetchInventoryDescendents OnFetchInventoryDescendents;
+        public event PurgeInventoryDescendents OnPurgeInventoryDescendents;
         public event FetchInventory OnFetchInventory;
         public event RequestTaskInventory OnRequestTaskInventory;
         public event UpdateInventoryItem OnUpdateInventoryItem;
@@ -2827,6 +2828,13 @@ namespace OpenSim.Region.ClientStack
                                                         Fetch.InventoryData.SortOrder);
                         }
                         break;
+                    case PacketType.PurgeInventoryDescendents:
+                        if (OnPurgeInventoryDescendents != null)
+                        {
+                            PurgeInventoryDescendentsPacket Purge = (PurgeInventoryDescendentsPacket)Pack;
+                            OnPurgeInventoryDescendents(this, Purge.InventoryData.FolderID);
+                        }
+                        break;
                     case PacketType.UpdateInventoryItem:
                         UpdateInventoryItemPacket update = (UpdateInventoryItemPacket) Pack;
                         if (OnUpdateInventoryItem != null)

OpenSim/Region/Environment/Scenes/Scene.cs

@@ -971,7 +971,8 @@ namespace OpenSim.Region.Environment.Scenes
 
             client.OnCreateNewInventoryItem += CreateNewInventoryItem;
             client.OnCreateNewInventoryFolder += CommsManager.UserProfileCacheService.HandleCreateInventoryFolder;
-            client.OnFetchInventoryDescendents += CommsManager.UserProfileCacheService.HandleFecthInventoryDescendents;
+            client.OnFetchInventoryDescendents += CommsManager.UserProfileCacheService.HandleFetchInventoryDescendents;
+            client.OnPurgeInventoryDescendents += CommsManager.UserProfileCacheService.HandlePurgeInventoryDescendents;
             client.OnRequestTaskInventory += RequestTaskInventory;
             client.OnFetchInventory += CommsManager.UserProfileCacheService.HandleFetchInventory;
             client.OnUpdateInventoryItem += UpdateInventoryItemAsset;

OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs

@@ -107,6 +107,7 @@ namespace SimpleApp
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event FetchInventoryDescendents OnFetchInventoryDescendents;
+        public event PurgeInventoryDescendents OnPurgeInventoryDescendents;
         public event FetchInventory OnFetchInventory;
         public event RequestTaskInventory OnRequestTaskInventory;
         public event UpdateInventoryItem OnUpdateInventoryItem;