windows-nt/Source/XPSP1/NT/enduser/stuff/itss/txfac.h
2020-09-26 16:20:57 +08:00

97 lines
3 KiB
C++

// txfac.h -- Header file for this transform
#ifndef __TXFAC_H__
#define __TXFAC_H__
class CLZX_TransformFactory : public CITUnknown
{
public:
// Main Object Destructor.
~CLZX_TransformFactory(void);
// Creator:
static STDMETHODIMP Create(IUnknown *punkOuter, REFIID riid, PVOID *ppv);
private:
// Main Object Constructor
CLZX_TransformFactory(IUnknown* pUnkOuter);
// We declare nested class interface implementations here.
// We implement the IClassFactory interface (ofcourse) in this class
// factory COM object class.
class CImpITransformFactory : public IITTransformFactory
{
public:
// Interface Implementation Constructor & Destructor.
CImpITransformFactory(CLZX_TransformFactory* pBackObj,
IUnknown* pUnkOuter);
~CImpITransformFactory(void);
STDMETHODIMP Init();
// ITransformFactory methods.
HRESULT STDMETHODCALLTYPE DefaultControlData(XformControlData **ppXFCD);
HRESULT STDMETHODCALLTYPE CreateTransformInstance
(ITransformInstance *pTxInstMedium, // Container data span for transformed data
ULARGE_INTEGER cbUntransformedSize, // Untransformed size of data
PXformControlData pXFCD, // Control data for this instance
const CLSID *rclsidXForm, // Transform Class ID
const WCHAR *pwszDataSpaceName, // Data space name for this instance
ITransformServices *pXformServices, // Utility routines
IKeyInstance *pKeyManager, // Interface to get enciphering keys
ITransformInstance **ppTransformInstance // Out: Instance transform interface
) ;
private:
// Data private to this interface implementation of IClassFactory.
CLZX_TransformFactory* m_pBackObj; // Parent Object back pointer.
IUnknown* m_pUnkOuter; // Outer unknown for Delegation.
UINT m_uiMulResetFactor;
};
// Make the otherwise private and nested IClassFactory interface
// implementation a friend to COM object instantiations of this
// selfsame CFCar COM object class.
friend CImpITransformFactory;
// Private data of CFCar COM objects.
// Nested IClassFactory implementation instantiation.
CImpITransformFactory m_ImpITXFactory;
};
typedef CLZX_TransformFactory* PCLZX_TransformFactory;
inline CLZX_TransformFactory::CLZX_TransformFactory(IUnknown* pUnkOuter)
: m_ImpITXFactory(this, pUnkOuter),
CITUnknown(&IID_ITransformFactory, 1, &m_ImpITXFactory)
{
}
inline CLZX_TransformFactory::~CLZX_TransformFactory()
{
}
inline CLZX_TransformFactory::CImpITransformFactory::CImpITransformFactory
(CLZX_TransformFactory* pBackObj,IUnknown* pUnkOuter)
: IITTransformFactory(pBackObj, pUnkOuter)
{
}
inline CLZX_TransformFactory::CImpITransformFactory::~CImpITransformFactory(void)
{
}
inline STDMETHODIMP CLZX_TransformFactory::CImpITransformFactory::Init()
{
return NO_ERROR;
}
#endif // __TXFAC_H__