From d997fc7b765d425bd34adf5bc839b80fd9fad37c Mon Sep 17 00:00:00 2001
From: Melanie Thielker <melanie@t-data.com>
Date: Tue, 4 May 2010 20:57:31 +0200
Subject: [PATCH] Add events to the estate interface to let interested modules
 know of changes to estate settings

---
 .../World/Estate/EstateManagementModule.cs    | 36 +++++++++++++++++++
 .../Framework/Interfaces/IEstateModule.cs     |  5 +++
 2 files changed, 41 insertions(+)

diff --git a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
index 77068b0ada..92e9eed946 100644
--- a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
@@ -48,6 +48,9 @@ namespace OpenSim.Region.CoreModules.World.Estate
 
         private EstateTerrainXferHandler TerrainUploader;
 
+        public event ChangeDelegate OnRegionInfoChange;
+        public event ChangeDelegate OnEstateInfoChange;
+
         #region Packet Data Responders
 
         private void sendDetailedEstateData(IClientAPI remote_client, UUID invoice)
@@ -137,6 +140,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 m_scene.RegionInfo.RegionSettings.AllowLandJoinDivide = false;
 
             m_scene.RegionInfo.RegionSettings.Save();
+            TriggerRegionInfoChange();
 
             sendRegionInfoPacketToAll();
         }
@@ -162,6 +166,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                     break;
             }
             m_scene.RegionInfo.RegionSettings.Save();
+            TriggerRegionInfoChange();
             sendRegionInfoPacketToAll();
         }
 
@@ -187,6 +192,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                     break;
             }
             m_scene.RegionInfo.RegionSettings.Save();
+            TriggerRegionInfoChange();
             sendRegionInfoPacketToAll();
         }
 
@@ -219,6 +225,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
 
             sendRegionInfoPacketToAll();
             m_scene.RegionInfo.RegionSettings.Save();
+            TriggerRegionInfoChange();
         }
 
         private void handleEstateRestartSimRequest(IClientAPI remoteClient, int timeInSeconds)
@@ -230,6 +237,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
         {
             m_scene.RegionInfo.RegionSettings.Covenant = estateCovenantID;
             m_scene.RegionInfo.RegionSettings.Save();
+            TriggerRegionInfoChange();
         }
 
         private void handleEstateAccessDeltaRequest(IClientAPI remote_client, UUID invoice, int estateAccessType, UUID user)
@@ -245,6 +253,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 {
                     m_scene.RegionInfo.EstateSettings.AddEstateUser(user);
                     m_scene.RegionInfo.EstateSettings.Save();
+                    TriggerEstateInfoChange();
                     remote_client.SendEstateList(invoice, (int)Constants.EstateAccessCodex.AccessOptions, m_scene.RegionInfo.EstateSettings.EstateAccess, m_scene.RegionInfo.EstateSettings.EstateID);
                 }
                 else
@@ -259,6 +268,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 {
                     m_scene.RegionInfo.EstateSettings.RemoveEstateUser(user);
                     m_scene.RegionInfo.EstateSettings.Save();
+                    TriggerEstateInfoChange();
 
                     remote_client.SendEstateList(invoice, (int)Constants.EstateAccessCodex.AccessOptions, m_scene.RegionInfo.EstateSettings.EstateAccess, m_scene.RegionInfo.EstateSettings.EstateID);
                 }
@@ -273,6 +283,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 {
                     m_scene.RegionInfo.EstateSettings.AddEstateGroup(user);
                     m_scene.RegionInfo.EstateSettings.Save();
+                    TriggerEstateInfoChange();
                     remote_client.SendEstateList(invoice, (int)Constants.EstateAccessCodex.AllowedGroups, m_scene.RegionInfo.EstateSettings.EstateGroups, m_scene.RegionInfo.EstateSettings.EstateID);
                 }
                 else
@@ -286,6 +297,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 {
                     m_scene.RegionInfo.EstateSettings.RemoveEstateGroup(user);
                     m_scene.RegionInfo.EstateSettings.Save();
+                    TriggerEstateInfoChange();
 
                     remote_client.SendEstateList(invoice, (int)Constants.EstateAccessCodex.AllowedGroups, m_scene.RegionInfo.EstateSettings.EstateGroups, m_scene.RegionInfo.EstateSettings.EstateID);
                 }
@@ -323,6 +335,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
 
                         m_scene.RegionInfo.EstateSettings.AddBan(item);
                         m_scene.RegionInfo.EstateSettings.Save();
+                        TriggerEstateInfoChange();
 
                         ScenePresence s = m_scene.GetScenePresence(user);
                         if (s != null)
@@ -370,6 +383,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                     {
                         m_scene.RegionInfo.EstateSettings.RemoveBan(listitem.BannedUserID);
                         m_scene.RegionInfo.EstateSettings.Save();
+                        TriggerEstateInfoChange();
                     }
                     else
                     {
@@ -389,6 +403,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 {
                     m_scene.RegionInfo.EstateSettings.AddEstateManager(user);
                     m_scene.RegionInfo.EstateSettings.Save();
+                    TriggerEstateInfoChange();
                     remote_client.SendEstateList(invoice, (int)Constants.EstateAccessCodex.EstateManagers, m_scene.RegionInfo.EstateSettings.EstateManagers, m_scene.RegionInfo.EstateSettings.EstateID);
                 }
                 else
@@ -402,6 +417,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 {
                     m_scene.RegionInfo.EstateSettings.RemoveEstateManager(user);
                     m_scene.RegionInfo.EstateSettings.Save();
+                    TriggerEstateInfoChange();
 
                     remote_client.SendEstateList(invoice, (int)Constants.EstateAccessCodex.EstateManagers, m_scene.RegionInfo.EstateSettings.EstateManagers, m_scene.RegionInfo.EstateSettings.EstateID);
                 }
@@ -449,6 +465,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
 
 
             m_scene.RegionInfo.RegionSettings.Save();
+            TriggerRegionInfoChange();
 
             m_scene.SetSceneCoreDebug(scripted, collisionEvents, physics);
         }
@@ -860,6 +877,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                 m_scene.RegionInfo.EstateSettings.DenyMinors = false;
 
             m_scene.RegionInfo.EstateSettings.Save();
+            TriggerEstateInfoChange();
 
             m_scene.TriggerEstateSunUpdate();
 
@@ -927,6 +945,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                             break;
                     }
                     m_scene.RegionInfo.RegionSettings.Save();
+                    TriggerRegionInfoChange();
                     sendRegionInfoPacketToAll();
 
                 }
@@ -972,6 +991,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                             break;
                     }
                     m_scene.RegionInfo.RegionSettings.Save();
+                    TriggerRegionInfoChange();
                     sendRegionHandshakeToAll();
                 }
             }
@@ -1141,5 +1161,21 @@ namespace OpenSim.Region.CoreModules.World.Estate
 
             return false;
         }
+
+        protected void TriggerRegionInfoChange()
+        {
+            ChangeDelegate change = OnRegionInfoChange;
+
+            if (change != null)
+                change();
+        }
+
+        protected void TriggerEstateInfoChange()
+        {
+            ChangeDelegate change = OnEstateInfoChange;
+
+            if (change != null)
+                change();
+        }
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IEstateModule.cs b/OpenSim/Region/Framework/Interfaces/IEstateModule.cs
index 890fa31df0..b2135d2531 100644
--- a/OpenSim/Region/Framework/Interfaces/IEstateModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEstateModule.cs
@@ -29,8 +29,13 @@ using OpenMetaverse;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
+    public delegate void ChangeDelegate();
+
     public interface IEstateModule : IRegionModule
     {
+        event ChangeDelegate OnRegionInfoChange;
+        event ChangeDelegate OnEstateInfoChange;
+
         uint GetRegionFlags();
         bool IsManager(UUID avatarID);