usbloadergx/source/utils/Callback.hpp

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/****************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* WiiXplorer 2010
***************************************************************************/
#ifndef _CPP_CALLBACK_HPP
#define _CPP_CALLBACK_HPP
class cCallback
{
public:
virtual void Execute(void * arg) const =0;
};
template <class cInstance>
class TCallback : public cCallback
{
public:
TCallback() : cInst(0), pFunction(0) // constructor
{
}
typedef void (cInstance::*tFunction)(void * arg);
virtual void Execute(void * arg) const
{
if (pFunction)
(cInst->*pFunction)(arg);
}
void SetCallback (cInstance * cInstancePointer, tFunction pFunctionPointer)
{
cInst = cInstancePointer;
pFunction = pFunctionPointer;
}
private:
cInstance *cInst;
tFunction pFunction;
};
#endif