--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/mobility/mobility-helper.cc	Fri Feb 08 04:11:48 2008 +0100
@@ -0,0 +1,113 @@
+#include "mobility-helper.h"
+#include "mobility-model.h"
+#include "mobility-model-notifier.h"
+#include "position-allocator.h"
+
+namespace ns3 {
+
+MobilityHelper::MobilityHelper ()
+  : m_notifierEnabled (false)
+{}
+void 
+MobilityHelper::EnableNotifier (void)
+{
+  m_notifierEnabled = true;
+}
+void 
+MobilityHelper::DisableNotifier (void)
+{
+  m_notifierEnabled = false;
+}
+void 
+MobilityHelper::SetPositionAllocator (Ptr<PositionAllocator> allocator)
+{
+  m_position = allocator;
+}
+void 
+MobilityHelper::SetPositionAllocator (std::string type,
+				      std::string n1, PValue v1,
+				      std::string n2, PValue v2,
+				      std::string n3, PValue v3,
+				      std::string n4, PValue v4,
+				      std::string n5, PValue v5,
+				      std::string n6, PValue v6,
+				      std::string n7, PValue v7,
+				      std::string n8, PValue v8,
+				      std::string n9, PValue v9)
+{
+  ObjectFactory pos;
+  pos.SetTypeId (type);
+  pos.Set (n1, v1);
+  pos.Set (n2, v2);
+  pos.Set (n3, v3);
+  pos.Set (n4, v4);
+  pos.Set (n5, v5);
+  pos.Set (n6, v6);
+  pos.Set (n7, v7);
+  pos.Set (n8, v8);
+  pos.Set (n9, v9);
+  m_position = pos.Create ()->QueryInterface<PositionAllocator> ();
+}
+
+void 
+MobilityHelper::SetMobilityModel (std::string type,
+				  std::string n1, PValue v1,
+				  std::string n2, PValue v2,
+				  std::string n3, PValue v3,
+				  std::string n4, PValue v4,
+				  std::string n5, PValue v5,
+				  std::string n6, PValue v6,
+				  std::string n7, PValue v7,
+				  std::string n8, PValue v8,
+				  std::string n9, PValue v9)
+{
+  m_mobility.SetTypeId (type);
+  m_mobility.Set (n1, v1);
+  m_mobility.Set (n2, v2);
+  m_mobility.Set (n3, v3);
+  m_mobility.Set (n4, v4);
+  m_mobility.Set (n5, v5);
+  m_mobility.Set (n6, v6);
+  m_mobility.Set (n7, v7);
+  m_mobility.Set (n8, v8);
+  m_mobility.Set (n9, v9);
+}
+
+std::string 
+MobilityHelper::GetMobilityModelType (void) const
+{
+  return m_mobility.GetTypeId ().GetName ();
+}
+
+void 
+MobilityHelper::Layout (const std::vector<Ptr<Object> > &objects)
+{
+  for (std::vector<Ptr<Object> >::const_iterator i = objects.begin (); i != objects.end (); i++)
+    {
+      Ptr<Object> object = *i;
+      Ptr<MobilityModel> model = object->QueryInterface<MobilityModel> ();
+      if (model == 0)
+	{
+	  model = m_mobility.Create ()->QueryInterface<MobilityModel> ();
+	  if (model == 0)
+	    {
+	      NS_FATAL_ERROR ("The requested mobility model is not a mobility model: \""<< 
+			      m_mobility.GetTypeId ().GetName ()<<"\"");
+	    }
+	  object->AddInterface (model);
+	}
+      Vector position = m_position->GetNext ();
+      model->SetPosition (position);
+      if (m_notifierEnabled)
+	{
+	  Ptr<MobilityModelNotifier> notifier = 
+	    object->QueryInterface<MobilityModelNotifier> ();
+	  if (notifier == 0)
+	    {
+	      object->AddInterface (CreateObject<MobilityModelNotifier> ());
+	    }
+	}
+    }
+}
+
+} // namespace ns3