more classes added

Runtime/IVParamObj.hpp

@@ -0,0 +1,47 @@
+#ifndef __RETRO_IVPARAMOBJ_HPP__
+#define __RETRO_IVPARAMOBJ_HPP__
+
+#include "IObj.hpp"
+
+namespace Retro
+{
+
+class IVParamObj : public IObj
+{
+public:
+    virtual ~IVParamObj() {}
+};
+
+class CVParamTransfer
+{
+    rstl::CRefData* m_refData;
+public:
+    CVParamTransfer(rstl::CRefData* rd) : m_refData(rd) {m_refData->AddRef();}
+    ~CVParamTransfer()
+    {
+        if (m_refData->DelRef() <= 0)
+        {
+            delete static_cast<IVParamObj*>(m_refData->GetPtr());
+            delete m_refData;
+        }
+    }
+    IVParamObj* GetObj() const {return static_cast<IVParamObj*>(m_refData->GetPtr());}
+    CVParamTransfer ShareTransferRef() {return CVParamTransfer(m_refData);}
+
+    static CVParamTransfer Null() {return CVParamTransfer(&rstl::CRefData::sNull);}
+};
+
+template<class T>
+class TObjOwnerParam : public IVParamObj
+{
+    T m_param;
+protected:
+    ~TObjOwnerParam() {}
+public:
+    TObjOwnerParam(T&& obj) : m_param(std::move(obj)) {}
+    CVParamTransfer NewTransferRef() {return CVParamTransfer(new rstl::CRefData(this));}
+};
+
+}
+
+#endif // __RETRO_IVPARAMOBJ_HPP__