MAINT-4009: Ensuring that the view listeners are properly cleaned up at app close.

1 files changed, 16 insertions, 1 deletions

diff --git a/indra/llui/llmenugl.h b/indra/llui/llmenugl.h
index feafaab199..ae9b169691 100755
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -895,7 +895,8 @@ class view_listener_t : public boost::signals2::trackable
 {
 public:
 	virtual bool handleEvent(const LLSD& userdata) = 0;
-	virtual ~view_listener_t() {}
+	view_listener_t() { sListeners.insert(this); }
+	virtual ~view_listener_t() { sListeners.erase(this); }
 	
 	static void addEnable(view_listener_t* listener, const std::string& name)
 	{
@@ -913,6 +914,20 @@ public:
 		addEnable(listener, name);
 		addCommit(listener, name);
 	}
+
+	static void cleanup()
+	{
+		listener_vector_t listeners(sListeners.begin(), sListeners.end());
+		sListeners.clear();
+
+		std::for_each(listeners.begin(), listeners.end(), DeletePointer());
+		listeners.clear();
+	}
+
+private:
+	typedef std::set<view_listener_t*> listener_map_t;
+	typedef std::vector<view_listener_t*> listener_vector_t;
+	static listener_map_t sListeners;
 };
 
 #endif // LL_LLMENUGL_H