1 files changed, 38 insertions, 24 deletions

diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index 394ec957d5..4d3708302b 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -403,28 +403,40 @@ bool LLCompareByTabOrder::operator() (const LLView* const a, const LLView* const
 	return (a_score == b_score) ? a < b : a_score < b_score;
 }
 
-bool LLView::trueToRoot(const boost::function<bool (const LLView*)>& predicate) const
+BOOL LLView::isInVisibleChain() const
 {
-	const LLView* cur_view = this;
-	while(cur_view)
+	BOOL visible = TRUE;
+
+	const LLView* viewp = this;
+	while(viewp)
 	{
-		if(!predicate(cur_view))
+		if (!viewp->getVisible())
 		{
-			return false;
+			visible = FALSE;
+			break;
 		}
-		cur_view = cur_view->getParent();
+		viewp = viewp->getParent();
 	}
-	return true;
-}
-
-BOOL LLView::isInVisibleChain() const
-{
-	return trueToRoot(&LLView::getVisible);
+	
+	return visible;
 }
 
 BOOL LLView::isInEnabledChain() const
 {
-	return trueToRoot(&LLView::getEnabled);
+	BOOL enabled = TRUE;
+
+	const LLView* viewp = this;
+	while(viewp)
+	{
+		if (!viewp->getEnabled())
+		{
+			enabled = FALSE;
+			break;
+		}
+		viewp = viewp->getParent();
+	}
+	
+	return enabled;
 }
 
 // virtual
@@ -434,17 +446,6 @@ BOOL LLView::canFocusChildren() const
 }
 
 //virtual
-void LLView::setTentative(BOOL b)
-{
-}
-
-//virtual
-BOOL LLView::getTentative() const
-{
-	return FALSE;
-}
-
-//virtual
 void LLView::setEnabled(BOOL enabled)
 {
 	mEnabled = enabled;
@@ -2784,6 +2785,19 @@ LLView::tree_post_iterator_t LLView::endTreeDFSPost()
 	return tree_post_iterator_t();
 }
 
+LLView::bfs_tree_iterator_t LLView::beginTreeBFS() 
+{ 
+	return bfs_tree_iterator_t(this, 
+							boost::bind(boost::mem_fn(&LLView::beginChild), _1), 
+							boost::bind(boost::mem_fn(&LLView::endChild), _1)); 
+}
+
+LLView::bfs_tree_iterator_t LLView::endTreeBFS() 
+{ 
+	// an empty iterator is an "end" iterator
+	return bfs_tree_iterator_t();
+}
+
 
 LLView::root_to_view_iterator_t LLView::beginRootToView()
 {