Added initialize/finalize methods to ListenerManager

Author: Ayuto

src/core/modules/listeners/listeners_manager.cpp

@@ -29,7 +29,6 @@
 //-----------------------------------------------------------------------------
 #include "listeners_manager.h"
 
-
 //-----------------------------------------------------------------------------
 // Adds a callable to the end of the CListenerManager vector.
 //-----------------------------------------------------------------------------
@@ -41,6 +40,9 @@ void CListenerManager::RegisterListener(PyObject* pCallable)
 	// Is the callable already in the vector?
 	if( !IsRegistered(oCallable) )
 	{
+		if (!GetCount())
+			Initialize();
+
 		m_vecCallables.AddToTail(oCallable);
 	}
 	else {
@@ -65,6 +67,9 @@ void CListenerManager::UnregisterListener(PyObject* pCallable)
 	else {
 		m_vecCallables.Remove(index);
 	}
+
+	if (!GetCount())
+		Finalize();
 }
 
 
@@ -91,6 +96,19 @@ int CListenerManager::GetCount()
 	return m_vecCallables.Count();
 }
 
+void CListenerManager::Initialize()
+{
+	override initialize = get_override("initialize");
+	if (!initialize.is_none())
+		initialize();
+}
+void CListenerManager::Finalize()
+{
+	override finalize = get_override("finalize");
+	if (!finalize.is_none())
+		finalize();
+}
+
 
 //-----------------------------------------------------------------------------
 // Return whether or not the given callback is registered.

src/core/modules/listeners/listeners_manager.h

@@ -79,7 +79,7 @@
 //-----------------------------------------------------------------------------
 // CListenerManager class.
 //-----------------------------------------------------------------------------
-class CListenerManager
+class CListenerManager: public wrapper<CListenerManager>
 {
 public:
 	void RegisterListener(PyObject* pCallable);
@@ -90,6 +90,9 @@ class CListenerManager
 	object __getitem__(unsigned int index);
 	void clear();
 
+	virtual void Initialize();
+	virtual void Finalize();
+
 	int FindCallback(object oCallback);
 
 public:

src/core/modules/listeners/listeners_wrap.cpp

@@ -119,6 +119,9 @@ void export_listener_managers(scope _listeners)
 			&CListenerManager::clear,
 			"Remove all registered callbacks."
 		)
+		
+		.def("initialize", &CListenerManager::Initialize)
+		.def("finalize", &CListenerManager::Finalize)
 	;
 
 	_listeners.attr("on_client_active_listener_manager") = object(ptr(GetOnClientActiveListenerManager()));