SL-19379 WIP basic drag and drop handling

1 files changed, 90 insertions, 0 deletions

diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index 68722e91b3..29ee879076 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -2007,6 +2007,96 @@ void move_items_to_new_subfolder(const uuid_vec_t& selected_uuids, const std::st
     gInventory.createNewCategory(first_item->getParentUUID(), LLFolderType::FT_NONE, folder_name, func);
 }
 
+// Returns true if the item can be moved to Current Outfit or any outfit folder.
+bool can_move_to_outfit(LLInventoryItem* inv_item, BOOL move_is_into_current_outfit)
+{
+    LLInventoryType::EType inv_type = inv_item->getInventoryType();
+    if ((inv_type != LLInventoryType::IT_WEARABLE) &&
+        (inv_type != LLInventoryType::IT_GESTURE) &&
+        (inv_type != LLInventoryType::IT_ATTACHMENT) &&
+        (inv_type != LLInventoryType::IT_OBJECT) &&
+        (inv_type != LLInventoryType::IT_SNAPSHOT) &&
+        (inv_type != LLInventoryType::IT_TEXTURE))
+    {
+        return false;
+    }
+
+    U32 flags = inv_item->getFlags();
+    if(flags & LLInventoryItemFlags::II_FLAGS_OBJECT_HAS_MULTIPLE_ITEMS)
+    {
+        return false;
+    }
+
+    if((inv_type == LLInventoryType::IT_TEXTURE) || (inv_type == LLInventoryType::IT_SNAPSHOT))
+    {
+        return !move_is_into_current_outfit;
+    }
+
+    if (move_is_into_current_outfit && get_is_item_worn(inv_item->getUUID()))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+// Returns TRUE if item is a landmark or a link to a landmark
+// and can be moved to Favorites or Landmarks folder.
+bool can_move_to_landmarks(LLInventoryItem* inv_item)
+{
+    // Need to get the linked item to know its type because LLInventoryItem::getType()
+    // returns actual type AT_LINK for links, not the asset type of a linked item.
+    if (LLAssetType::AT_LINK == inv_item->getType())
+    {
+        LLInventoryItem* linked_item = gInventory.getItem(inv_item->getLinkedUUID());
+        if (linked_item)
+        {
+            return LLAssetType::AT_LANDMARK == linked_item->getType();
+        }
+    }
+
+    return LLAssetType::AT_LANDMARK == inv_item->getType();
+}
+
+// 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)
+{
+    LLInventoryModel::cat_array_t *cats;
+    LLInventoryModel::item_array_t *items;
+    model->getDirectDescendentsOf(inv_cat->getUUID(), cats, items);
+
+    if (items->size() > wear_limit)
+    {
+        return false;
+    }
+
+    if (items->size() == 0)
+    {
+        // Nothing to move(create)
+        return false;
+    }
+
+    if (cats->size() > 0)
+    {
+        // We do not allow subfolders in outfits of "My Outfits" yet
+        return false;
+    }
+
+    LLInventoryModel::item_array_t::iterator iter = items->begin();
+    LLInventoryModel::item_array_t::iterator end = items->end();
+
+    while (iter != end)
+    {
+        LLViewerInventoryItem *item = *iter;
+        if (!can_move_to_outfit(item, false))
+        {
+            return false;
+        }
+        iter++;
+    }
+
+    return true;
+}
 ///----------------------------------------------------------------------------
 /// LLMarketplaceValidator implementations
 ///----------------------------------------------------------------------------