MAINT-1175 FIX Severe performance issues on 3.3.2 (258114) Release and 3.3.3 (259197) Beta in "Add scroll list item"

removed linear scan for namelist items and used weak reference (LLHandle) instead

2 files changed, 30 insertions, 31 deletions

diff --git a/indra/newview/llnamelistctrl.cpp b/indra/newview/llnamelistctrl.cpp
index 4e28d1f526..5029d26fda 100644
--- a/indra/newview/llnamelistctrl.cpp
+++ b/indra/newview/llnamelistctrl.cpp
@@ -336,7 +336,7 @@ LLScrollListItem* LLNameListCtrl::addNameItemRow(
 				// ...schedule a callback
 				LLAvatarNameCache::get(id,
 					boost::bind(&LLNameListCtrl::onAvatarNameCache,
-						this, _1, _2));
+						this, _1, _2, item->getHandle()));
 			}
 			break;
 		}
@@ -392,7 +392,8 @@ void LLNameListCtrl::removeNameItem(const LLUUID& agent_id)
 }
 
 void LLNameListCtrl::onAvatarNameCache(const LLUUID& agent_id,
-									   const LLAvatarName& av_name)
+									   const LLAvatarName& av_name,
+									   LLHandle<LLNameListItem> item)
 {
 	std::string name;
 	if (mShortNames)
@@ -400,17 +401,14 @@ void LLNameListCtrl::onAvatarNameCache(const LLUUID& agent_id,
 	else
 		name = av_name.getCompleteName();
 
-	item_list::iterator iter;
-	for (iter = getItemList().begin(); iter != getItemList().end(); iter++)
+	LLNameListItem* list_item = item.get();
+	if (list_item && list_item->getUUID() == agent_id)
 	{
-		LLScrollListItem* item = *iter;
-		if (item->getUUID() == agent_id)
+		LLScrollListCell* cell = list_item->getColumn(mNameColumnIndex);
+		if (cell)
 		{
-			LLScrollListCell* cell = item->getColumn(mNameColumnIndex);
-			if (cell)
-			{
-				cell->setValue(name);
-			}
+			cell->setValue(name);
+			setNeedsSort();
 		}
 	}
 
diff --git a/indra/newview/llnamelistctrl.h b/indra/newview/llnamelistctrl.h
index ca9956dc53..ffacd69db4 100644
--- a/indra/newview/llnamelistctrl.h
+++ b/indra/newview/llnamelistctrl.h
@@ -33,6 +33,26 @@
 
 class LLAvatarName;
 
+/**
+ * LLNameListCtrl item
+ *
+ * We don't use LLScrollListItem to be able to override getUUID(), which is needed
+ * because the name list item value is not simply an UUID but a map (uuid, is_group).
+ */
+class LLNameListItem : public LLScrollListItem, public LLHandleProvider<LLNameListItem>
+{
+public:
+	LLUUID	getUUID() const		{ return getValue()["uuid"].asUUID(); }
+protected:
+	friend class LLNameListCtrl;
+
+	LLNameListItem( const LLScrollListItem::Params& p )
+	:	LLScrollListItem(p)
+	{
+	}
+};
+
+
 class LLNameListCtrl
 :	public LLScrollListCtrl, public LLInstanceTracker<LLNameListCtrl>
 {
@@ -115,7 +135,7 @@ public:
 	/*virtual*/ void	mouseOverHighlightNthItem( S32 index );
 private:
 	void showInspector(const LLUUID& avatar_id, bool is_group);
-	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
+	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name, LLHandle<LLNameListItem> item);
 
 private:
 	S32    			mNameColumnIndex;
@@ -124,24 +144,5 @@ private:
 	bool			mShortNames;  // display name only, no SLID
 };
 
-/**
- * LLNameListCtrl item
- *
- * We don't use LLScrollListItem to be able to override getUUID(), which is needed
- * because the name list item value is not simply an UUID but a map (uuid, is_group).
- */
-class LLNameListItem : public LLScrollListItem
-{
-public:
-	LLUUID	getUUID() const		{ return getValue()["uuid"].asUUID(); }
-
-protected:
-	friend class LLNameListCtrl;
-
-	LLNameListItem( const LLScrollListItem::Params& p )
-	:	LLScrollListItem(p)
-	{
-	}
-};
 
 #endif