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//+-------------------------------------------------------------------
//
// File: embed.cxx
//
// Contents:
//
// Classes: CTestEmbedCF - IClassFactory
//
// History: 7-Dec-92 DeanE Created
//---------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#pragma optimize("",off)
class CTestServerApp;
class CDataObject;
class COleObject;
class CPersistStorage;
#include <embed.hxx>
#include <dataobj.hxx>
#include <oleobj.hxx>
#include <persist.hxx>
#include <csrvapp.hxx>
extern HWND g_hwndMain;
//+-------------------------------------------------------------------
// Member: CTestEmbedCF::CTestEmbedCF()
//
// Synopsis: The constructor for CTestEmbedCF.
//
// Arguments: None
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
CTestEmbedCF::CTestEmbedCF(CTestServerApp *ptsaServer) : _cRef(1)
{
_ptsaServer = ptsaServer;
return;
}
//+-------------------------------------------------------------------
// Member: CTestEmbedCF::~CTestEmbedCF()
//
// Synopsis: The destructor for CTestEmbedCF.
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
CTestEmbedCF::~CTestEmbedCF()
{
_ptsaServer = NULL;
}
//+-------------------------------------------------------------------
// Member: CTestEmbedCF::Create()
//
// Synopsis: Creates a new CTestEmbedCF object.
//
// Arguments: None
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
IClassFactory FAR* CTestEmbedCF::Create(CTestServerApp *ptsaServer)
{
CTestEmbedCF FAR* pteCF = new FAR CTestEmbedCF(ptsaServer);
return(pteCF);
}
//+-------------------------------------------------------------------
// Method: CTestEmbedCF::QueryInterface
//
// Synopsis: Only IUnknown and IClassFactory supported
// return pointer to the actual object
//
// 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 CTestEmbedCF::QueryInterface(REFIID iid, void FAR * FAR * ppv)
{
if (IsEqualIID(iid, IID_IUnknown) || IsEqualIID(iid, IID_IClassFactory))
{
*ppv = this;
AddRef();
return(S_OK);
}
else
{
*ppv = NULL;
return(E_NOINTERFACE);
}
}
STDMETHODIMP_(ULONG) CTestEmbedCF::AddRef(void)
{
return ++_cRef;
}
STDMETHODIMP_(ULONG) CTestEmbedCF::Release(void)
{
if (--_cRef == 0)
{
delete this;
return 0;
}
return _cRef;
}
//+-------------------------------------------------------------------
// Method: CTestEmbedCF::CreateInstance
//
// Synopsis: This is called by Binding process to create the
// actual class object.
//
// Parameters: [pUnkOuter] - Ignored. Affects aggregation.
// [iidInterface] - Interface ID object should support.
// [ppv] - Pointer to the object.
//
// Returns: S_OOM if object couldn't be created, or SCODE from
// QueryInterface call.
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CTestEmbedCF::CreateInstance(
IUnknown FAR *pUnkOuter,
REFIID iidInterface,
void FAR* FAR *ppv)
{
CTestEmbed FAR *pteObj;
SCODE sc;
pteObj = new FAR CTestEmbed();
if (pteObj == NULL)
{
return(E_OUTOFMEMORY);
}
sc = pteObj->InitObject(_ptsaServer, g_hwndMain);
if (S_OK != sc)
{
delete pteObj;
return(E_OUTOFMEMORY);
}
// Having created the actual object, ensure desired
// interfaces are available.
//
sc = pteObj->QueryInterface(iidInterface, ppv);
// We are done with the CTestEmbed instance - it's now referenced by ppv
pteObj->Release();
return(sc);
}
//+-------------------------------------------------------------------
// Method: CTestEmbedCF::LockServer
//
// Synopsis: What does this do?
//
// Parameters: [fLock] - ???
//
// Returns: ???
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
STDMETHODIMP CTestEmbedCF::LockServer(BOOL fLock)
{
// BUGBUG - What does this do?
return(E_FAIL);
}
//+-------------------------------------------------------------------
// Method: CTestEmbed::CTestEmbed
//
// Synopsis: Constructor for CTestEmbed objects
//
// Parameters: None
//
// Returns: None
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
CTestEmbed::CTestEmbed() : _cRef(1)
{
_ptsaServer = NULL;
_pDataObject = NULL;
_pOleObject = NULL;
_pPersStg = NULL;
_hwnd = NULL;
}
//+-------------------------------------------------------------------
// Method: CTestEmbed::~CTestEmbed
//
// Synopsis: Performs cleanup for CTestEmbed objects by releasing
// internal pointers.
//
// Parameters: None
//
// Returns: None
//
// History: 7-Dec-92 DeanE Created
//--------------------------------------------------------------------
CTestEmbed::~CTestEmbed()
{
// Inform controlling server app this object is gone
_ptsaServer->DecEmbeddedCount();
// Delete all of this objects interface classes
delete _pDataObject;
delete _pOleObject;
delete _pPersStg;
}
//+-------------------------------------------------------------------
// Method: CTestEmbed::InitObject
//
// Synopsis: Initialize this CTestEmbed object - ie, set everything
// up for actual use.
//
// Parameters: None
//
// Returns: S_OK if everything is okay to use, or an error code
//
// History: 7-Dec-92 DeanE Created
//
// Notes: The state of the object must be cleaned up in case of
// failure - so the destructor will not blow up.
//--------------------------------------------------------------------
SCODE CTestEmbed::InitObject(CTestServerApp *ptsaServer, HWND hwnd)
{
SCODE sc = S_OK;
// Initialize controlling server app
if (NULL != ptsaServer)
{
_ptsaServer = ptsaServer;
}
else
{
sc = E_ABORT;
}
// Initilize this objects window handle
_hwnd = hwnd;
// Create a CDataObject
if (SUCCEEDED(sc))
{
_pDataObject = new CDataObject(this);
if (NULL == _pDataObject)
{
sc = E_ABORT;
}
}
// Create a COleObject
if (SUCCEEDED(sc))
{
_pOleObject = new COleObject(this);
if (NULL == _pOleObject)
{
sc = E_ABORT;
}
}
// Create a CPersistStorage
if (SUCCEEDED(sc))
{
_pPersStg = new CPersistStorage(this);
if (NULL == _pPersStg)
{
sc = E_ABORT;
}
}
if (FAILED(sc))
{
delete _pDataObject;
delete _pOleObject;
delete _pPersStg;
_pDataObject = NULL;
_pOleObject = NULL;
_pPersStg = NULL;
_ptsaServer = NULL;
_hwnd = NULL;
}
// Inform controlling server we are a new embedded object
if (SUCCEEDED(sc))
{
_ptsaServer->IncEmbeddedCount();
}
return(sc);
}
//+-------------------------------------------------------------------
// Method: CTestEmbed::QueryInterface
//
// Synopsis: IUnknown, IOleObject, IPersist, IPersistStorage supported
// return pointer to the actual object
//
// 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 CTestEmbed::QueryInterface(REFIID iid, void FAR * FAR * ppv)
{
SCODE scRet;
if (IsEqualIID(IID_IUnknown, iid))
{
*ppv = (IUnknown *)this;
AddRef();
scRet = S_OK;
}
else
if (IsEqualIID(IID_IOleObject, iid))
{
*ppv = _pOleObject;
AddRef();
scRet = S_OK;
}
else
if (IsEqualIID(IID_IPersist, iid) || IsEqualIID(IID_IPersistStorage, iid))
{
*ppv = _pPersStg;
AddRef();
scRet = S_OK;
}
else
if (IsEqualIID(IID_IDataObject, iid))
{
*ppv = _pDataObject;
AddRef();
scRet = S_OK;
}
else
{
*ppv = NULL;
scRet = E_NOINTERFACE;
}
return(scRet);
}
STDMETHODIMP_(ULONG) CTestEmbed::AddRef(void)
{
return ++_cRef;
}
STDMETHODIMP_(ULONG) CTestEmbed::Release(void)
{
if (--_cRef == 0)
{
delete this;
return 0;
}
return _cRef;
}
SCODE CTestEmbed::GetWindow(HWND *phwnd)
{
if (NULL != phwnd)
{
*phwnd = _hwnd;
return(S_OK);
}
else
{
return(E_ABORT);
}
}
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