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//+-------------------------------------------------------------------
// File: idataobj.cxx
//
// Contents: IDataObject methods of CTestEmbed class.
//
// Classes: CTestEmbed - IDataObject implementation
//
// History: 7-Dec-92 DeanE Created
//---------------------------------------------------------------------
#pragma optimize("",off)
#include <windows.h>
#include <ole2.h>
#include "testsrv.hxx"
//+-------------------------------------------------------------------
// Member: CDataObject::CDataObject()
//
// Synopsis: The constructor for CDataObject.
//
// Arguments: None
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
CDataObject::CDataObject(CTestEmbed *pteObject)
{
_cRef = 1;
_pDAHolder = NULL;
_pteObject = pteObject;
}
//+-------------------------------------------------------------------
// Member: CDataObject::~CDataObject()
//
// Synopsis: The destructor for CDataObject.
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
CDataObject::~CDataObject()
{
// _cRef count should be 1
if (1 != _cRef)
{
// BUGBUG - Log error
// Someone hasn't released one of these - Log error
}
return;
}
//+-------------------------------------------------------------------
// Method: CDataObject::QueryInterface
//
// Synopsis: Forward this to the object we're associated with
//
// Parameters: [iid] - Interface ID to return.
// [ppv] - Pointer to pointer to object.
//
// Returns: S_OK if iid is supported, or E_NOINTERFACE if not.
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::QueryInterface(REFIID iid, void FAR * FAR *ppv)
{
return(_pteObject->QueryInterface(iid, ppv));
}
//+-------------------------------------------------------------------
// Method: CDataObject::AddRef
//
// Synopsis: Forward this to the object we're associated with
//
// Returns: New reference count.
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP_(ULONG) CDataObject::AddRef(void)
{
++_cRef;
return(_pteObject->AddRef());
}
//+-------------------------------------------------------------------
// Method: CDataObject::Release
//
// Synopsis: Forward this to the object we're associated with
//
// Returns: New reference count.
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP_(ULONG) CDataObject::Release(void)
{
--_cRef;
return(_pteObject->Release());
}
//+-------------------------------------------------------------------
// Method: CDataObject::GetData
//
// Synopsis: See spec 2.00.09 p129. Retrieve data for this object
// using the FORMATETC passed.
//
// Parameters: [pformatetcIn] - The format caller wants returned data
// [pmedium] - Returned data
//
// Returns: S_OK, or E_FORMAT if we don't support the format requested
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::GetData(
LPFORMATETC pformatetcIn,
LPSTGMEDIUM pmedium)
{
// BUGBUG - NYI
return(E_FAIL);
}
//+-------------------------------------------------------------------
// Method: CDataObject::GetDataHere
//
// Synopsis: See spec 2.00.09 p130. Like GetData, but the pmedium is
// allocated and ready for us to use.
//
// Parameters: [pformatetc] - The format caller wants returned data
// [pmedium] - STGMEDIUM object ready for our use
//
// Returns: S_OK, E_FORMAT
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::GetDataHere(
LPFORMATETC pformatetc,
LPSTGMEDIUM pmedium)
{
// BUGBUG - NYI
return(E_FAIL);
}
//+-------------------------------------------------------------------
// Method: CDataObject::QueryGetData
//
// Synopsis: See spec 2.00.09 p130. Answer if the format requested
// would be honored by GetData.
//
// Parameters: [pformatetc] - The format being queried about
//
// Returns: S_OK or S_FALSE
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::QueryGetData(LPFORMATETC pformatetc)
{
// BUGBUG - NYI
return(E_FAIL);
}
//+-------------------------------------------------------------------
// Method: CDataObject::GetCanonicalFormatEtc
//
// Synopsis: See spec 2.00.09 p131
//
// Parameters: [pformatetc] -
// [pformatetcOut] -
//
// Returns: S_OK
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::GetCanonicalFormatEtc(
LPFORMATETC pformatetc,
LPFORMATETC pformatetcOut)
{
// BUGBUG - NYI
return(E_FAIL);
}
//+-------------------------------------------------------------------
// Method: CDataObject::SetData
//
// Synopsis: See spec 2.00.09 p131.
//
// Parameters: [pformatetc] -
// [pmedium] -
// [fRelease] -
//
// Returns: S_OK
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::SetData(
LPFORMATETC pformatetc,
STGMEDIUM FAR *pmedium,
BOOL fRelease)
{
// BUGBUG - NYI
return(DV_E_CLIPFORMAT);
}
//+-------------------------------------------------------------------
// Method: CDataObject::EnumFormatEtc
//
// Synopsis: See spec 2.00.09 p131.
//
// Parameters: [dwDirection] -
// [ppenmFormatEtc] -
//
// Returns: S_OK
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::EnumFormatEtc(
DWORD dwDirection,
LPENUMFORMATETC FAR *ppenmFormatEtc)
{
// BUGBUG - NYI
*ppenmFormatEtc = NULL;
return(E_FAIL);
}
//+-------------------------------------------------------------------
// Method: CDataObject::DAdvise
//
// Synopsis: See spec 2.00.09 p132
//
// Parameters: [pFormatetc] -
// [advf] -
// [pAdvSink] -
// [pdwConnection] -
//
// Returns: S_OK
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::DAdvise(
FORMATETC FAR *pFormatetc,
DWORD advf,
LPADVISESINK pAdvSink,
DWORD FAR *pdwConnection)
{
if (NULL == _pDAHolder)
{
if (S_OK != CreateDataAdviseHolder(&_pDAHolder))
{
return(E_OUTOFMEMORY);
}
}
return(_pDAHolder->Advise(this, pFormatetc, advf, pAdvSink, pdwConnection));
}
//+-------------------------------------------------------------------
// Method: CDataObject::DUnadvise
//
// Synopsis: See spec 2.00.09 p133
//
// Parameters: [dwConnection] -
//
// Returns: S_OK
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::DUnadvise(DWORD dwConnection)
{
if (NULL == _pDAHolder)
{
// Nobody is registered
return(E_INVALIDARG);
}
return(_pDAHolder->Unadvise(dwConnection));
}
//+-------------------------------------------------------------------
// Method: CDataObject::EnumDAdvise
//
// Synopsis: See spec 2.00.09 p133
//
// Parameters: [ppenmAdvise] -
//
// Returns: S_OK
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CDataObject::EnumDAdvise(LPENUMSTATDATA FAR *ppenmAdvise)
{
if (NULL == _pDAHolder)
{
return(E_FAIL);
}
return(_pDAHolder->EnumAdvise(ppenmAdvise));
}
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