windows-server-2003/public/sdk/inc/dxatlpb.h

#ifndef dxatlpb_h
#define dxatlpb_h

#include <atlctl.h>

#ifndef DXTDbg_h
#include <dxtdbg.h>
#endif

#define COM_INTERFACE_ENTRY_DXIMPL(x)\
	COM_INTERFACE_ENTRY_IID(IID_##x, x##DXImpl<_ComMapClass>)

/*** IOleObjectDXImpl
*   This is a simplified version used to allow a transform
*   to be hosted by IE
*/
template <class T>
class ATL_NO_VTABLE IOleObjectDXImpl
{
  public:
	// IUnknown
	//
	STDMETHOD(QueryInterface)(REFIID riid, void ** ppvObject) = 0;
        STDMETHOD_(ULONG,AddRef)() = 0;
        STDMETHOD_(ULONG,Release)() = 0;

	// IOleObject
	//
	STDMETHOD(SetClientSite)(IOleClientSite *pClientSite)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::SetClientSite" );
        HRESULT hr = S_OK;
        if( pClientSite && DXIsBadInterfacePtr( pClientSite ) )
        {
            hr = E_INVALIDARG;
        }
        else
        {
    		T* pT = static_cast<T*>(this);
            pT->m_cpOleClientSite = pClientSite;
        }
        return hr;
	}

	STDMETHOD(GetClientSite)(IOleClientSite **ppClientSite)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::GetClientSite" );
        HRESULT hr = S_OK;
        if( DXIsBadWritePtr( ppClientSite, sizeof( *ppClientSite )) )
        {
            hr = E_POINTER;
        }
        else
        {
    		T* pT = static_cast<T*>(this);
            *ppClientSite = pT->m_cpOleClientSite;
        }
        return hr;
	}

	STDMETHOD(SetHostNames)(LPCOLESTR /* szContainerApp */, LPCOLESTR /* szContainerObj */)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::SetHostNames" );
		return S_OK;
	}
	STDMETHOD(Close)(DWORD dwSaveOption)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::Close" );
		return S_OK;
	}
	STDMETHOD(SetMoniker)(DWORD /* dwWhichMoniker */, IMoniker* /* pmk */)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::SetMoniker" );
        return E_NOTIMPL;
	}
	STDMETHOD(GetMoniker)(DWORD /* dwAssign */, DWORD /* dwWhichMoniker */, IMoniker** /* ppmk */)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::GetMoniker" );
        return E_NOTIMPL;
	}
	STDMETHOD(InitFromData)(IDataObject* /* pDataObject */, BOOL /* fCreation */, DWORD /* dwReserved */)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::InitFromData" );
        return E_NOTIMPL;
	}
	STDMETHOD(GetClipboardData)(DWORD /* dwReserved */, IDataObject** /* ppDataObject */)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::GetClipboardData" );
        return E_NOTIMPL;
	}

	STDMETHOD(DoVerb)(LONG iVerb, LPMSG /* lpmsg */, IOleClientSite* /* pActiveSite */, LONG /* lindex */,
									 HWND hwndParent, LPCRECT lprcPosRect)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::DoVerb" );
		return S_OK;
	}
	STDMETHOD(EnumVerbs)(IEnumOLEVERB **ppEnumOleVerb)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::DoVerb" );
		return OLEOBJ_E_NOVERBS;
	}
	STDMETHOD(Update)(void)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::Update" );
		return S_OK;
	}
	STDMETHOD(IsUpToDate)(void)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::IsUpToDate" );
		return S_OK;
	}
	STDMETHOD(GetUserClassID)(CLSID *pClsid)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::GetUserClassID" );
		_ASSERTE(pClsid);
		if( DXIsBadWritePtr( pClsid, sizeof( *pClsid ) ) )
        {
			return E_POINTER;
        }
        else
        {
		    *pClsid = T::GetObjectCLSID();
		    return S_OK;
        }
	}
	STDMETHOD(GetUserType)(DWORD dwFormOfType, LPOLESTR *pszUserType)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::GetUserType" );
		return OLE_S_USEREG;
	}
	STDMETHOD(SetExtent)(DWORD dwDrawAspect, SIZEL *psizel)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::SetExtent" );
        return S_OK;
	}
	STDMETHOD(GetExtent)(DWORD dwDrawAspect, SIZEL *psizel)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::GetExtent" );
        HRESULT hr = S_OK;
        if( DXIsBadWritePtr( psizel, sizeof( *psizel ) ) )
        {
            hr = E_POINTER;
        }
        else
        {
            psizel->cx = 0;
            psizel->cy = 0;
        }
		return hr;
	}
	STDMETHOD(Advise)(IAdviseSink *pAdvSink, DWORD *pdwConnection)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::Advise" );
        return S_OK;
	}
	STDMETHOD(Unadvise)(DWORD dwConnection)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::Unadvise" );
        return S_OK;
	}
	STDMETHOD(EnumAdvise)(IEnumSTATDATA **ppenumAdvise)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::EnumAdvise" );
        return E_FAIL;
	}
	STDMETHOD(GetMiscStatus)(DWORD dwAspect, DWORD *pdwStatus)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::GetMiscStatus" );
		return OLE_S_USEREG;
	}
	STDMETHOD(SetColorScheme)(LOGPALETTE* /* pLogpal */)
	{
        DXTDBG_FUNC( "IOleObjectDXImpl::SetColorScheme" );
        return E_NOTIMPL;
	}
};

/*** CComPropBase
*
*/
class ATL_NO_VTABLE CComPropBase
{
public:
    HRESULT IPersistPropertyBag_Load(LPPROPERTYBAG pPropBag,
	    LPERRORLOG pErrorLog, ATL_PROPMAP_ENTRY* pMap)
    {
	    USES_CONVERSION;
	    CComPtr<IDispatch> pDispatch;
	    const IID* piidOld = NULL;
	    for(int i = 0; pMap[i].pclsidPropPage != NULL; i++)
	    {
		    if (pMap[i].szDesc == NULL)
			    continue;
		    CComVariant var;

		    if(pMap[i].piidDispatch != piidOld)
		    {
			    pDispatch.Release();
			    if(FAILED(PropQueryInterface(*pMap[i].piidDispatch, (void**)&pDispatch)))
			    {
				    ATLTRACE(_T("Failed to get a dispatch pointer for property #%i\n"), i);
				    return E_FAIL;
			    }
			    piidOld = pMap[i].piidDispatch;
		    }

		    if (FAILED(CComDispatchDriver::GetProperty(pDispatch, pMap[i].dispid, &var)))
		    {
			    ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid);
			    return E_FAIL;
		    }

		    HRESULT hr = pPropBag->Read(pMap[i].szDesc, &var, pErrorLog);
		    if (FAILED(hr))
		    {
			    if (hr == E_INVALIDARG)
			    {
				    ATLTRACE(_T("Property %s not in Bag\n"), OLE2CT(pMap[i].szDesc));
			    }
			    else
			    {
				    // Many containers return different ERROR values for Member not found
				    ATLTRACE(_T("Error attempting to read Property %s from PropertyBag \n"), OLE2CT(pMap[i].szDesc));
			    }
			    continue;
		    }

		    if (FAILED(CComDispatchDriver::PutProperty(pDispatch, pMap[i].dispid, &var)))
		    {
			    ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid);
			    return E_FAIL;
		    }
	    }
	    return S_OK;

    }

    HRESULT IPersistPropertyBag_Save(LPPROPERTYBAG pPropBag,
	    BOOL fClearDirty, BOOL /*fSaveAllProperties*/, ATL_PROPMAP_ENTRY* pMap)
    {
	    if (pPropBag == NULL)
	    {
		    ATLTRACE(_T("PropBag pointer passed in was invalid\n"));
		    return E_POINTER;
	    }

	    CComPtr<IDispatch> pDispatch;
	    const IID* piidOld = NULL;
	    for(int i = 0; pMap[i].pclsidPropPage != NULL; i++)
	    {
		    if (pMap[i].szDesc == NULL)
			    continue;
		    CComVariant var;

		    if(pMap[i].piidDispatch != piidOld)
		    {
			    pDispatch.Release();
			    if(FAILED(PropQueryInterface(*pMap[i].piidDispatch, (void**)&pDispatch)))
			    {
				    ATLTRACE(_T("Failed to get a dispatch pointer for property #%i\n"), i);
				    return E_FAIL;
			    }
			    piidOld = pMap[i].piidDispatch;
		    }

		    if (FAILED(CComDispatchDriver::GetProperty(pDispatch, pMap[i].dispid, &var)))
		    {
			    ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid);
			    return E_FAIL;
		    }

		    if (var.vt == VT_UNKNOWN || var.vt == VT_DISPATCH)
		    {
			    if (var.punkVal == NULL)
			    {
				    ATLTRACE(_T("Warning skipping empty IUnknown in Save\n"));
				    continue;
			    }
		    }

		    HRESULT hr = pPropBag->Write(pMap[i].szDesc, &var);
		    if (FAILED(hr))
			    return hr;
	    }
	    m_bRequiresSave = FALSE;
	    return S_OK;
    }

    HRESULT ISpecifyPropertyPages_GetPages(CAUUID* pPages,
	    ATL_PROPMAP_ENTRY* pMap)
    {
	    _ASSERTE(pMap != NULL);
	    int nCnt = 0;
	    // Get count of unique pages
	    for(int i = 0; pMap[i].pclsidPropPage != NULL; i++)
	    {
		    if (!InlineIsEqualGUID(*pMap[i].pclsidPropPage, CLSID_NULL))
			    nCnt++;
	    }
	    pPages->pElems = NULL;
	    pPages->pElems = (GUID*) CoTaskMemAlloc(sizeof(CLSID)*nCnt);
	    if (pPages->pElems == NULL)
		    return E_OUTOFMEMORY;
	    nCnt = 0;
	    for(i = 0; pMap[i].pclsidPropPage != NULL; i++)
	    {
		    if (!InlineIsEqualGUID(*pMap[i].pclsidPropPage, CLSID_NULL))
		    {
			    BOOL bMatch = FALSE;
			    for (int j=0;j<nCnt;j++)
			    {
				    if (InlineIsEqualGUID(*(pMap[i].pclsidPropPage), pPages->pElems[j]))
				    {
					    bMatch = TRUE;
					    break;
				    }
			    }
			    if (!bMatch)
				    pPages->pElems[nCnt++] = *pMap[i].pclsidPropPage;
		    }
	    }
	    pPages->cElems = nCnt;
	    return S_OK;
    }
    virtual HRESULT PropQueryInterface(const IID& iid, void** ppv) = 0;
    BOOL m_bRequiresSave;
};


template <class T>
class ATL_NO_VTABLE CComPropertySupport :  public CComPropBase
{
public:
    virtual HRESULT PropQueryInterface(const IID& iid, void** ppv)
    {
        T* pT = static_cast<T*>(this);
	return pT->_InternalQueryInterface(iid, ppv);
    }
};


//////////////////////////////////////////////////////////////////////////////
// IObjectSafety
//

template <class T> 
class ATL_NO_VTABLE IObjectSafetyImpl2
{
public:
        DWORD m_dwSafety[4];
        const IID *m_pIID[4];

        IObjectSafetyImpl2()
	{
            m_pIID[0] = &IID_IDispatch;
            m_pIID[1] = &IID_IPersistPropertyBag;
            m_pIID[2] = &IID_IPersistStorage;
            m_pIID[3] = &IID_IPersistStream;
            for (int i = 0; i < 4; i++)
            {
		m_dwSafety[i] = 0;
            }
	}

	// IUnknown
	//
	STDMETHOD(QueryInterface)(REFIID riid, void ** ppvObject) = 0;
	_ATL_DEBUG_ADDREF_RELEASE_IMPL(IObjectSafetyImpl2)

	// IObjectSafety
	//
	STDMETHOD(GetInterfaceSafetyOptions)(REFIID riid, DWORD *pdwSupportedOptions, DWORD *pdwEnabledOptions)
	{
		ATLTRACE(_T("IObjectSafetyImpl::GetInterfaceSafetyOptions\n"));
		if (pdwSupportedOptions == NULL || pdwEnabledOptions == NULL)
			return E_POINTER;
                for (int i = 0; i < 4 && m_pIID[i]; i++)
                {
                    if (riid == *m_pIID[i]) {
			*pdwSupportedOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
			*pdwEnabledOptions = m_dwSafety[i] & INTERFACESAFE_FOR_UNTRUSTED_CALLER;
                        return S_OK;
                    }
		}
            	*pdwSupportedOptions = 0;
		*pdwEnabledOptions = 0;
		return E_NOINTERFACE;
	}
	STDMETHOD(SetInterfaceSafetyOptions)(REFIID riid, DWORD dwOptionSetMask, DWORD dwEnabledOptions)
	{
		ATLTRACE(_T("IObjectSafetyImpl::SetInterfaceSafetyOptions\n"));
		// If we're being asked to set our safe for scripting option then oblige
                for (int i = 0; i < 4 && m_pIID[i]; i++)
                {
                    if (riid == *m_pIID[i]) {
			m_dwSafety[i] = dwEnabledOptions & dwOptionSetMask;
                        return S_OK;
                    }
		}
		return E_NOINTERFACE;
	}

};

#endif // This must be the last line in the file