1 files changed, 14 insertions, 0 deletions

diff --git a/linden/indra/newview/llwlparammanager.h b/linden/indra/newview/llwlparammanager.h
index 1d9291c..9895e91 100644
--- a/linden/indra/newview/llwlparammanager.h
+++ b/linden/indra/newview/llwlparammanager.h
@@ -40,6 +40,13 @@
 #include "llviewercamera.h"
 
 class LLGLSLShader;
+
+class LLWLPresetsObserver
+{
+public:
+        virtual ~LLWLPresetsObserver() { };
+        virtual void changed() = 0;
+};
  
 // color control
 struct WLColorControl {
@@ -195,6 +202,11 @@ public:
         // singleton pattern implementation
         static LLWLParamManager * instance();
 
+        // manage observers
+        static void addObserver(LLWLPresetsObserver* observer);
+        static void removeObserver(LLWLPresetsObserver* observer);
+        static void notifyObservers();
+
 public:
 
         // helper variables
@@ -255,6 +267,8 @@ public:
 private:
         // our parameter manager singleton instance
         static LLWLParamManager * sInstance;
+        
+        static std::vector<LLWLPresetsObserver*> sObservers;
 
 };