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slot_v0.h

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#ifndef header_slot_v0
#define header_slot_v0

#include "slot_generic.h"

// Generic Slot

class CL_Slot_v0 : public CL_Slot_Generic
{
public:
        virtual void call()=0;
};

// Function Slot

class CL_FunctionSlot_v0 : public CL_Slot_v0
{
public:
        typedef void (*Callback)();

        CL_FunctionSlot_v0(Callback callback) : callback(callback) { return; }

        virtual void call() { callback(); }

private:
        Callback callback;
};

/*CL_Slot_v0 *CL_CreateSlot(void (*callback)())
{
        return new CL_FunctionSlot_v0(callback);
}*/

// Method / Member function Slot

template <class CallbackClass>
class CL_MethodSlot_v0 : public CL_Slot_v0
{
public:
        typedef void (CallbackClass::*Callback)();

        CL_MethodSlot_v0(CallbackClass *cb_class, Callback callback)
        : cb_class(cb_class), callback(callback) { return; }

        virtual void call() { (cb_class->*callback)(); }

private:
        CallbackClass *cb_class;
        Callback callback;
};

template <class CallbackClass>
CL_Slot_v0 *CL_CreateSlot(CallbackClass *cb_class, void (CallbackClass::*callback)())
{
        return new CL_MethodSlot_v0<CallbackClass>(cb_class, callback);
}

// Method / Member function Slot, with user data

template <class CallbackClass, class UserData>
class CL_UserDataMethodSlot_v0 : public CL_Slot_v0
{
public:
        typedef void (CallbackClass::*Callback)(UserData);

        CL_UserDataMethodSlot_v0(CallbackClass *cb_class, Callback callback, UserData user_data)
        : cb_class(cb_class), callback(callback), user_data(user_data) { return; }

        virtual void call() { (cb_class->*callback)(user_data); }

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

template <class CallbackClass, class UserData>
CL_Slot_v0 *CL_CreateSlot(
        CallbackClass *cb_class,
        void (CallbackClass::*callback)(UserData),
        UserData user_data)
{
        return new CL_UserDataMethodSlot_v0<CallbackClass, UserData>(cb_class, callback, user_data);
}

#endif

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