vclreferencebase.hxx

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#ifndef INCLUDED_VCL_Reference_HXX
#define INCLUDED_VCL_Reference_HXX

#include <vcl/dllapi.h>
#include <osl/interlck.h>

class VCL_DLLPUBLIC VclReferenceBase
{
    mutable oslInterlockedCount mnRefCnt;

    template<typename T> friend class VclPtr;

public:
    void acquire() const
    {
        osl_atomic_increment(&mnRefCnt);
    }

    void release() const
    {
        if (osl_atomic_decrement(&mnRefCnt) == 0)
            delete this;
    }
#ifdef DBG_UTIL
#ifndef _WIN32
    sal_Int32 getRefCount() const { return mnRefCnt; }
#endif
#endif


private:
    VclReferenceBase(const VclReferenceBase&) = delete;
    VclReferenceBase& operator=(const VclReferenceBase&) = delete;

    bool                        mbDisposed : 1;

protected:
                                VclReferenceBase();
protected:
    virtual                     ~VclReferenceBase();

protected:
    virtual void                dispose();

public:
    void                        disposeOnce();
    bool                        isDisposed() const { return mbDisposed; }

};
#endif