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