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310 lines
8.4 KiB
310 lines
8.4 KiB
//+-------------------------------------------------------------------
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//
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// File: dataobj.cxx
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//
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// Contents: IDataObject methods of CTestEmbed class.
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//
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// Classes: CTestEmbed - IDataObject implementation
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//
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// History: 7-Dec-92 DeanE Created
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//
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//---------------------------------------------------------------------
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#pragma optimize("",off)
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#include <pch.cxx>
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#pragma hdrstop
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#include <embed.hxx>
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#include <dataobj.hxx>
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//+-------------------------------------------------------------------
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// Member: CDataObject::CDataObject()
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//
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// Synopsis: The constructor for CDataObject.
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//
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// Arguments: None
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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CDataObject::CDataObject(CTestEmbed *pteObject)
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{
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_cRef = 1;
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_pDAHolder = NULL;
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_pteObject = pteObject;
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}
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//+-------------------------------------------------------------------
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// Member: CDataObject::~CDataObject()
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//
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// Synopsis: The destructor for CDataObject.
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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CDataObject::~CDataObject()
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{
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// _cRef count should be 1
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if (1 != _cRef)
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{
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// BUGBUG - Log error
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// Someone hasn't released one of these - Log error
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}
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return;
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::QueryInterface
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//
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// Synopsis: Forward this to the object we're associated with
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//
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// Parameters: [iid] - Interface ID to return.
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// [ppv] - Pointer to pointer to object.
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//
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// Returns: S_OK if iid is supported, or E_NOINTERFACE if not.
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::QueryInterface(REFIID iid, void FAR * FAR *ppv)
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{
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return(_pteObject->QueryInterface(iid, ppv));
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::AddRef
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//
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// Synopsis: Forward this to the object we're associated with
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//
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// Returns: New reference count.
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CDataObject::AddRef(void)
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{
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++_cRef;
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return(_pteObject->AddRef());
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::Release
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//
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// Synopsis: Forward this to the object we're associated with
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//
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// Returns: New reference count.
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CDataObject::Release(void)
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{
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--_cRef;
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return(_pteObject->Release());
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::GetData
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//
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// Synopsis: See spec 2.00.09 p129. Retrieve data for this object
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// using the FORMATETC passed.
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//
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// Parameters: [pformatetcIn] - The format caller wants returned data
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// [pmedium] - Returned data
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//
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// Returns: S_OK, or E_FORMAT if we don't support the format requested
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::GetData(
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LPFORMATETC pformatetcIn,
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LPSTGMEDIUM pmedium)
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{
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// BUGBUG - NYI
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return(E_FAIL);
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::GetDataHere
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//
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// Synopsis: See spec 2.00.09 p130. Like GetData, but the pmedium is
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// allocated and ready for us to use.
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//
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// Parameters: [pformatetc] - The format caller wants returned data
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// [pmedium] - STGMEDIUM object ready for our use
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//
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// Returns: S_OK, E_FORMAT
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::GetDataHere(
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LPFORMATETC pformatetc,
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LPSTGMEDIUM pmedium)
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{
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// BUGBUG - NYI
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return(E_FAIL);
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::QueryGetData
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//
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// Synopsis: See spec 2.00.09 p130. Answer if the format requested
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// would be honored by GetData.
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//
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// Parameters: [pformatetc] - The format being queried about
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//
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// Returns: S_OK or S_FALSE
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::QueryGetData(LPFORMATETC pformatetc)
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{
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// BUGBUG - NYI
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return(E_FAIL);
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::GetCanonicalFormatEtc
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//
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// Synopsis: See spec 2.00.09 p131
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//
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// Parameters: [pformatetc] -
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// [pformatetcOut] -
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//
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// Returns: S_OK
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::GetCanonicalFormatEtc(
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LPFORMATETC pformatetc,
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LPFORMATETC pformatetcOut)
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{
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// BUGBUG - NYI
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return(E_FAIL);
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::SetData
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//
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// Synopsis: See spec 2.00.09 p131.
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//
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// Parameters: [pformatetc] -
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// [pmedium] -
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// [fRelease] -
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//
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// Returns: S_OK
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::SetData(
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LPFORMATETC pformatetc,
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STGMEDIUM FAR *pmedium,
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BOOL fRelease)
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{
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// BUGBUG - NYI
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return(DV_E_CLIPFORMAT);
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::EnumFormatEtc
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//
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// Synopsis: See spec 2.00.09 p131.
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//
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// Parameters: [dwDirection] -
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// [ppenmFormatEtc] -
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//
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// Returns: S_OK
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::EnumFormatEtc(
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DWORD dwDirection,
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LPENUMFORMATETC FAR *ppenmFormatEtc)
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{
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// BUGBUG - NYI
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*ppenmFormatEtc = NULL;
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return(E_FAIL);
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::DAdvise
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//
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// Synopsis: See spec 2.00.09 p132
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//
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// Parameters: [pFormatetc] -
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// [advf] -
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// [pAdvSink] -
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// [pdwConnection] -
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//
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// Returns: S_OK
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::DAdvise(
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FORMATETC FAR *pFormatetc,
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DWORD advf,
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LPADVISESINK pAdvSink,
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DWORD FAR *pdwConnection)
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{
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if (NULL == _pDAHolder)
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{
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if (S_OK != CreateDataAdviseHolder(&_pDAHolder))
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{
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return(E_OUTOFMEMORY);
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}
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}
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return(_pDAHolder->Advise(this, pFormatetc, advf, pAdvSink, pdwConnection));
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::DUnadvise
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//
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// Synopsis: See spec 2.00.09 p133
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//
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// Parameters: [dwConnection] -
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//
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// Returns: S_OK
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::DUnadvise(DWORD dwConnection)
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{
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if (NULL == _pDAHolder)
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{
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// Nobody is registered
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return(E_INVALIDARG);
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}
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return(_pDAHolder->Unadvise(dwConnection));
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}
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//+-------------------------------------------------------------------
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// Method: CDataObject::EnumDAdvise
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//
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// Synopsis: See spec 2.00.09 p133
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//
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// Parameters: [ppenmAdvise] -
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//
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// Returns: S_OK
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//
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// History: 7-Dec-92 DeanE Created
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//--------------------------------------------------------------------
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STDMETHODIMP CDataObject::EnumDAdvise(LPENUMSTATDATA FAR *ppenmAdvise)
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{
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if (NULL == _pDAHolder)
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{
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return(E_FAIL);
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}
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return(_pDAHolder->EnumAdvise(ppenmAdvise));
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}
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