GenericListener.hpp

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#pragma once
 
#include <ivorium_core/ivorium_core.hpp>
 
namespace iv
{
 
template< class Listener >
class GenericListener_Index;
 
//========================= GenericListener ============================
template< class Listener >
class GenericListener
{
public:
iv::ClientMarker cm;
 
                            GenericListener( iv::Instance * inst, GenericListener_Index< Listener > * index );
                            ~GenericListener();
    
    iv::Instance *  instance() const;
    
    void                    Initialize();
    
    void                    VerifyInitialization();
    
private:
    iv::Instance * inst;
    GenericListener_Index< Listener > * index;
    bool initialized;
};
 
//========================= GenericListener_Index ============================
template< class Listener >
class GenericListener_Index
{
public:
iv::ClientMarker cm;
 
                            GenericListener_Index( iv::Instance * inst );
    iv::Instance *          instance() const;
    
    // called by listeners
    void                    AddListener( Listener * );
    void                    RemoveListener( Listener * );
    void                    InitializeListener( Listener * );
    
    // called by owner
    template< class ... Params >
    void                    InvokeListeners( void( Listener::* member )( Params  ... ), Params ... params );
    
    
protected:
    virtual void            Listener_Initialize( Listener * ) = 0;
    
private:
    iv::Instance * inst;
    iv::volatile_set< Listener * > listeners;
};
 
}
 
#include "GenericListener.inl"