notifies_destruction.h

#pragma once
 
#include "../signals/signal.h"
#include "../logging.h"
 
namespace smlt {
 
template<typename T>
class NotifiesDestruction {
    typedef sig::signal<void (T*)> destruction_signal;
 
    DEFINE_SIGNAL(destruction_signal, signal_destruction);
 
public:
    virtual ~NotifiesDestruction() {
        try {
            signal_destruction_((T*) this);
        } catch(...) {
            S_WARN(_F("Exception while signaling destruction of object {0} at {1}").format(
                typeid(T).name(), this
            ));
        }
    }
};
 
}