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slot_v3.h

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#ifndef header_slot_v3
#define header_slot_v3

#include "slot_generic.h"

// Generic Slot

template <class PARAM1, class PARAM2, class PARAM3>
class CL_Slot_v3 : public CL_Slot_Generic
{
public:
        virtual void call(PARAM1 param1, PARAM2 param2, PARAM3 param3)=0;
};

// Function Slot

template <class PARAM1, class PARAM2, class PARAM3>
class CL_FunctionSlot_v3 : public CL_Slot_v3<PARAM1, PARAM2, PARAM3>
{
public:
        typedef void (*Callback)(PARAM1, PARAM2, PARAM3);

        CL_FunctionSlot_v3(Callback callback) : callback(callback) { return; }

        virtual void call(PARAM1 param1, PARAM2 param2, PARAM3 param3) { callback(param1, param2, param3); }

private:
        Callback callback;
};

template <class PARAM1, class PARAM2, class PARAM3>
CL_Slot_v3<PARAM1, PARAM2, PARAM3> *CL_CreateSlot(void (*callback)(PARAM1, PARAM2, PARAM3))
{
        return new CL_FunctionSlot_v3<PARAM1,PARAM2,PARAM3>(callback);
}

// Method / Member function Slot

template <class CallbackClass, class PARAM1, class PARAM2, class PARAM3>
class CL_MethodSlot_v3 : public CL_Slot_v3<PARAM1, PARAM2, PARAM3>
{
public:
        typedef void (CallbackClass::*Callback)(PARAM1, PARAM2, PARAM3);

        CL_MethodSlot_v3(CallbackClass *cb_class, Callback callback)
        : cb_class(cb_class), callback(callback) { return; }

        virtual void call(PARAM1 param1, PARAM2 param2, PARAM3 param3) { (cb_class->*callback)(param1, param2, param3); }

private:
        CallbackClass *cb_class;
        Callback callback;
};

template <class CallbackClass, class PARAM1, class PARAM2, class PARAM3>
CL_Slot_v3<PARAM1, PARAM2, PARAM3> *CL_CreateSlot(
        CallbackClass *cb_class,
        void (CallbackClass::*callback)(PARAM1, PARAM2, PARAM3))
{
        return new CL_MethodSlot_v3<CallbackClass, PARAM1, PARAM2, PARAM3>(cb_class, callback);
}

// Method / Member function Slot, with user data

template <class CallbackClass, class UserData, class PARAM1, class PARAM2, class PARAM3>
class CL_UserDataMethodSlot_v3 : public CL_Slot_v3<PARAM1, PARAM2, PARAM3>
{
public:
        typedef void (CallbackClass::*Callback)(UserData, PARAM1, PARAM2, PARAM3);

        CL_UserDataMethodSlot_v3(CallbackClass *cb_class, Callback callback, UserData user_data)
        : cb_class(cb_class), callback(callback), user_data(user_data) { return; }

        virtual void call(PARAM1 param1, PARAM2 param2, PARAM3 param3) { (cb_class->*callback)(user_data, param1, param2, param3); }

private:
        CallbackClass *cb_class;
        Callback callback;
        UserData user_data;
};

template <class CallbackClass, class UserData, class PARAM1, class PARAM2, class PARAM3>
CL_Slot_v3<PARAM1, PARAM2, PARAM3> *CL_CreateSlot(
        CallbackClass *cb_class,
        void (CallbackClass::*callback)(UserData, PARAM1, PARAM2, PARAM3),
        UserData user_data)
{
        return new CL_UserDataMethodSlot_v3<CallbackClass, UserData, PARAM1, PARAM2, PARAM3>(cb_class, callback, user_data);
}

#endif

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