From 5f9edd195c702fac57ab76bca1c0357bce224868 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Fri, 13 May 2011 03:24:19 +0100
Subject: Fix broken inventory links on viewer 2.

It appears that if the viewer requests a folder containing links, we must also send the folders that contain the link targets first.
This was tested with Kokua 0.1.0 WIP though I predict it will also work with other viewer 2s
---
 OpenSim/Region/Framework/Scenes/Scene.Inventory.cs  | 21 +++++++++++++++++++--
 .../Region/Framework/Scenes/Scene.PacketHandlers.cs |  4 ++++
 2 files changed, 23 insertions(+), 2 deletions(-)

(limited to 'OpenSim/Region/Framework')

diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index a65ceeb..3bf2c2b 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -1382,11 +1382,28 @@ namespace OpenSim.Region.Framework.Scenes
             InventoryFolderBase containingFolder = new InventoryFolderBase(folder.ID, client.AgentId);
             containingFolder = InventoryService.GetFolder(containingFolder);
 
-            //m_log.DebugFormat("[AGENT INVENTORY]: Sending inventory folder contents ({0} nodes) for \"{1}\" to {2} {3}",
-            //    contents.Folders.Count + contents.Items.Count, containingFolder.Name, client.FirstName, client.LastName);
+//            m_log.DebugFormat("[AGENT INVENTORY]: Sending inventory folder contents ({0} nodes) for \"{1}\" to {2} {3}",
+//                contents.Folders.Count + contents.Items.Count, containingFolder.Name, client.FirstName, client.LastName);
 
             if (containingFolder != null && containingFolder != null)
+            {
+                // If the folder requested contains links, then we need to send those folders first, otherwise the links
+                // will be broken in the viewer.
+                HashSet<UUID> linkedItemFolderIdsToSend = new HashSet<UUID>();
+                foreach (InventoryItemBase item in contents.Items)
+                {
+                    if (item.AssetType == (int)AssetType.Link)
+                    {
+                        InventoryItemBase linkedItem = InventoryService.GetItem(new InventoryItemBase(item.AssetID));
+                        linkedItemFolderIdsToSend.Add(linkedItem.Folder);
+                    }
+                }
+
+                foreach (UUID linkedItemFolderId in linkedItemFolderIdsToSend)
+                    SendInventoryUpdate(client, new InventoryFolderBase(linkedItemFolderId), false, true);
+
                 client.SendInventoryFolderDetails(client.AgentId, folder.ID, contents.Items, contents.Folders, containingFolder.Version, fetchFolders, fetchItems);
+            }
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
index ab567fb..e2d7208 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
@@ -499,6 +499,10 @@ namespace OpenSim.Region.Framework.Scenes
         public void HandleFetchInventoryDescendents(IClientAPI remoteClient, UUID folderID, UUID ownerID,
                                                     bool fetchFolders, bool fetchItems, int sortOrder)
         {
+//            m_log.DebugFormat(
+//                "[USER INVENTORY]: HandleFetchInventoryDescendents() for {0}, folder={1}, fetchFolders={2}, fetchItems={3}, sortOrder={4}",
+//                remoteClient.Name, folderID, fetchFolders, fetchItems, sortOrder);
+
             if (folderID == UUID.Zero)
                 return;
 
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