Callback.h

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/*
 * Copyright (C) 2015 Niek Linnenbank
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIBSTD_CALLBACK_H
#define __LIBSTD_CALLBACK_H
 
#include "Types.h"
 
class CallbackFunction
{
  public:
 
    virtual void execute(void *parameter) = 0;
};
 
template <class Base, class ParamType> class Callback : public CallbackFunction
{
  private:
 
    typedef void (Base::*Function)(ParamType *param);
 
  public:
 
    Callback(Base *object, Function func)
    {
        m_object   = object;
        m_function = func;
    }
 
    virtual void execute(void *parameter)
    {
        executeOnObject((ParamType *) parameter);
    }
 
  private:
 
    virtual void executeOnObject(ParamType *parameter)
    {
        (m_object->*m_function)(parameter);
    }
 
  private:
 
    Base *m_object;
 
    Function m_function;
};
 
#endif /* __LIBSTD_CALLBACK_H */