RefCounted.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef REF_COUNTED_H
#define REF_COUNTED_H
 
#include "eC_Types.h"
#include "GUITrace.h"
#include "eC_Atomic.h"
 
 
namespace NSmartPtr
{
 
class RefCounted 
{
public:
    RefCounted()
    : m_iRefCount(0)
    {
    }
 
    virtual ~RefCounted()
    {
        if (m_iRefCount != 0)
            GUILOG(GUI_TRACE_WARNING, "RefCounted::~RefCounted: reference count not 0.");
    }
 
    inline void AddRef()
    {
        eC_Atomic::increment(&m_iRefCount);
    }
 
    inline void Release()
    {
        eC_Int newCount = eC_Atomic::decrement(&m_iRefCount);
        if (newCount == 0)
        {
            delete this;
        }
    }
 
    inline bool Unique() const { return (m_iRefCount == 1); }
 
    inline eC_Int RefCount() const { return static_cast<eC_Int const volatile &>(m_iRefCount); }
 
private:
    mutable eC_Int m_iRefCount;
}; // class RefCounted
 
} // namespace NSmartPtr
 
#endif // REF_COUNTED_PTR_H