#3757 Smarter subfolders dragndrop

1 files changed, 40 insertions, 1 deletions

diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index 7fff88fba7..9967318e92 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -2314,7 +2314,7 @@ bool can_move_to_landmarks(LLInventoryItem* inv_item)
 }
 
 // Returns true if folder's content can be moved to Current Outfit or any outfit folder.
-bool can_move_to_my_outfits(LLInventoryModel* model, LLInventoryCategory* inv_cat, U32 wear_limit)
+bool can_move_to_my_outfits_as_outfit(LLInventoryModel* model, LLInventoryCategory* inv_cat, U32 wear_limit)
 {
     LLInventoryModel::cat_array_t *cats;
     LLInventoryModel::item_array_t *items;
@@ -2353,6 +2353,45 @@ bool can_move_to_my_outfits(LLInventoryModel* model, LLInventoryCategory* inv_ca
     return true;
 }
 
+bool can_move_to_my_outfits_as_subfolder(LLInventoryModel* model, LLInventoryCategory* inv_cat, S32 depth)
+{
+    LLInventoryModel::cat_array_t* cats;
+    LLInventoryModel::item_array_t* items;
+    model->getDirectDescendentsOf(inv_cat->getUUID(), cats, items);
+
+    if (items->size() > 0)
+    {
+        // subfolders don't allow items
+        return false;
+    }
+
+    constexpr size_t MAX_CONTENT = 255;
+    if (cats->size() > MAX_CONTENT)
+    {
+        // don't allow massive folders
+        return false;
+    }
+
+    for (LLPointer<LLViewerInventoryCategory>& cat : *cats)
+    {
+        // outfits are valid to move, check non-outfit folders
+        if (cat->getPreferredType() != LLFolderType::FT_OUTFIT)
+        {
+            if (depth == 3)
+            {
+                // don't allow massive folders
+                return false;
+            }
+            if (!can_move_to_my_outfits_as_subfolder(model, cat, depth + 1))
+            {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
 std::string get_localized_folder_name(LLUUID cat_uuid)
 {
     std::string localized_root_name;