1 files changed, 89 insertions, 0 deletions
diff --git a/WorldlineKeepers/Assets/Scripts/Tools/Notification/ScopedNotification.cs b/WorldlineKeepers/Assets/Scripts/Tools/Notification/ScopedNotification.cs
new file mode 100644
index 0000000..0002f14
--- /dev/null
+++ b/WorldlineKeepers/Assets/Scripts/Tools/Notification/ScopedNotification.cs
@@ -0,0 +1,89 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace WK
+{
+
+    public class ScopedNotification
+    {
+        public delegate void NotificatonHandler(params object[] args);
+
+        private Dictionary<string, List<NotificatonHandler>> m_EventListeners = new Dictionary<string, List<NotificatonHandler>>();  
+
+        public void AddObserver(string eventName, NotificatonHandler handler)
+        {
+            if (handler == null)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(eventName))
+            {
+                return;
+            }
+
+            List<NotificatonHandler> handlers;
+            if (!m_EventListeners.ContainsKey(eventName))
+            {
+                m_EventListeners.Add(eventName, new List<NotificatonHandler>());
+            }
+
+            handlers = m_EventListeners[eventName];
+            handlers.Add(handler);  
+        }
+
+        public void RemoveObserver(string eventName, NotificatonHandler handler)
+        {
+            if(handler == null) { return; }     
+
+            if(string.IsNullOrEmpty(eventName)) { return; }
+
+            if (!m_EventListeners.ContainsKey(eventName))
+                return;
+
+            List<NotificatonHandler> handlers = m_EventListeners[eventName];    
+            if(handlers.Contains(handler))
+                handlers.Remove(handler);
+        }
+
+        public void RemoveEvent(string eventName)
+        {
+            if (string.IsNullOrEmpty(eventName)) { return; }
+            if(m_EventListeners.ContainsKey(eventName))
+            {
+                m_EventListeners.Remove(eventName); 
+            }
+        }
+
+        public void Clean()
+        {
+            m_EventListeners.Clear();   
+        }
+
+        public void PostNotification(string eventName, params object[] args) 
+        {
+            if (string.IsNullOrEmpty(eventName)) { return; }
+
+            if (!m_EventListeners.ContainsKey(eventName))
+                return;
+
+            List<NotificatonHandler> handlers = m_EventListeners[eventName];
+            for(int i = 0; i < handlers.Count; i++) 
+            {
+                var handler = handlers[i];
+                if(handler != null) 
+                {
+                    handler(args);
+                }
+            }
+        }
+
+        public void PostNotification(string eventName)
+        {
+            PostNotification(eventName, null);  
+        }
+
+    }
+
+}
+\ No newline at end of file