//+-------------------------------------------------------------------
//
// File: mixedcf.cxx
//
// Contents: class factory object implementation for implementing
// multiple classes in the same factory code.
//
// Classes: CMixedClassFactory
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <mixedcf.hxx> // class definiton
#include <cqi.hxx> // CQI
#include <cballs.hxx> // CBallCtrlUnk
#include <ccubes.hxx> // CCubes
#include <cloop.hxx> // CLoop
#if 0 // These are defined in the header files, but left here for reference.
const GUID CLSID_QI =
{0x00000140,0x0000,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
const GUID CLSID_QIHANDLER =
{0x00000141,0x0000,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
const GUID CLSID_Balls =
{0x0000013a,0x0001,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
const GUID CLSID_Loop =
{0x0000013c,0x0001,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
#endif
const GUID CLSID_Cubes =
{0x0000013b,0x0001,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
//+-------------------------------------------------------------------
//
// Member: CMixedClassFactory::CMixedClassFactory, public
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
CMixedClassFactory::CMixedClassFactory(REFCLSID rclsid) : _clsid(rclsid)
{
ENLIST_TRACKING(CMixedClassFactory);
}
//+-------------------------------------------------------------------
//
// Member: CMixedClassFactory::~CMixedClassFactory, public
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
CMixedClassFactory::~CMixedClassFactory(void)
{
// automatic actions do the rest of the work
}
//+-------------------------------------------------------------------
//
// Member: CMixedClassFactory::QueryInterface, public
//
// Algorithm: if the interface is not one implemented by us,
// pass the request to the proxy manager
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
STDMETHODIMP CMixedClassFactory::QueryInterface(REFIID riid, void **ppUnk)
{
if (IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_IClassFactory))
{
*ppUnk = (void *)(IClassFactory *) this;
AddRef();
return S_OK;
}
*ppUnk = NULL;
return E_NOINTERFACE;
}
//+-------------------------------------------------------------------
//
// Member: CMixedClassFactory::CreateInstance, public
//
// Synopsis: create a new object with the same class
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
STDMETHODIMP CMixedClassFactory::CreateInstance(IUnknown *punkOuter,
REFIID riid,
void **ppunkObject)
{
HRESULT hr = E_OUTOFMEMORY;
*ppunkObject = NULL; // in case of failure
// create a new object.
IUnknown *pUnk = NULL;
if (IsEqualCLSID(_clsid, CLSID_QI) ||
IsEqualCLSID(_clsid, CLSID_QIHANDLER))
{
pUnk = (IUnknown *) new CQI(_clsid);
}
else if (IsEqualCLSID(_clsid, CLSID_Balls))
{
pUnk = (IUnknown *) new CBallCtrlUnk(NULL);
}
else if (IsEqualCLSID(_clsid, CLSID_Cubes))
{
pUnk = (IUnknown *) new CCube();
}
else if (IsEqualCLSID(_clsid, CLSID_Loop))
{
pUnk = (IUnknown *) new CLoop();
}
if (pUnk)
{
// get the interface the caller wants to use
hr = pUnk->QueryInterface(riid, ppunkObject);
pUnk->Release();
}
return hr;
}
//+-------------------------------------------------------------------
//
// Member: CMixedClassFactory::LockServer, public
//
// Synopsis: create a new object with the same class
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
STDMETHODIMP CMixedClassFactory::LockServer(BOOL fLock)
{
if (fLock)
GlobalRefs(TRUE);
else
GlobalRefs(FALSE);
return S_OK;
}
