Add bulk speaker updates. Sped up speaker fetching by disabling list sorting during bulk updates.

indra/llui/llscrolllistctrl.cpp

@@ -125,6 +125,7 @@ LLScrollListCtrl::LLScrollListCtrl(const std::string& name, const LLRect& rect,
 	mNeedsScroll(false),
 	mCanSelect(true),
 	mColumnsDirty(false),
+	mSortEnabled(true),
 	mMaxItemCount(INT_MAX), 
 	mMaxContentWidth(0),
 	mBorderThickness( 2 ),
@@ -2301,6 +2302,16 @@ BOOL LLScrollListCtrl::setSort(S32 column_idx, BOOL ascending)
 	}
 }
 
+void LLScrollListCtrl::setSortEnabled(bool sort)
+{
+	bool update = sort && !mSortEnabled;
+	mSortEnabled = sort;
+	if (update)
+	{
+		updateSort();
+	}
+}
+
 S32	LLScrollListCtrl::getLinesPerPage()
 {
 	//if mPageLines is NOT provided display all item
@@ -2942,7 +2953,7 @@ std::string LLScrollListCtrl::getSortColumnName()
 
 BOOL LLScrollListCtrl::hasSortOrder() const
 {
-	return !mSortColumns.empty();
+	return mSortEnabled && !mSortColumns.empty();
 }
 
 void LLScrollListCtrl::clearSortOrder()

indra/llui/llscrolllistctrl.h

@@ -322,6 +322,7 @@ public:
 	BOOL			getSortAscending() { return mSortColumns.empty() ? TRUE : mSortColumns.back().second; }
 	BOOL			hasSortOrder() const;
 	void			clearSortOrder();
+	void			setSortEnabled(bool sort);
 
 	template<typename T> S32 selectMultiple(const std::vector<T>& vec)
 	{
@@ -423,6 +424,7 @@ private:
 	bool			mDisplayColumnHeaders;
 	bool			mColumnsDirty;
 	bool			mColumnWidthsDirty;
+	bool			mSortEnabled;
 
 	mutable item_list	mItemList;