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//+-------------------------------------------------------------------
//
// File: ballscf.cxx
//
// Contents: test class factory object implementation
//
// Classes: CBallClassFactory
//
// Functions:
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <ballscf.hxx> // class definiton
#include <cballs.hxx> // CBalls defines
const GUID CLSID_Balls =
{0x0000013a,0x0001,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
//+-------------------------------------------------------------------
//
// Member: CBallClassFactory::CBallClassFactory, public
//
// Algorithm:
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
CBallClassFactory::CBallClassFactory(IUnknown *punkOuter) :
_punkOuter(punkOuter)
{
ENLIST_TRACKING(CBallClassFactory);
}
//+-------------------------------------------------------------------
//
// Member: CBallClassFactory::~CBallClassFactory, public
//
// Algorithm:
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
CBallClassFactory::~CBallClassFactory(void)
{
// automatic actions do the rest of the work
}
//+-------------------------------------------------------------------
//
// Member: CBallClassFactory::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 CBallClassFactory::QueryInterface(REFIID riid, void **ppUnk)
{
SCODE sc = S_OK;
if (IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_IClassFactory))
{
*ppUnk = (void *)(IClassFactory *) this;
AddRef();
}
else
{
if (_punkOuter)
{
sc = _punkOuter->QueryInterface(riid, ppUnk);
}
else
{
*ppUnk = NULL;
sc = E_NOINTERFACE;
}
}
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CBallClassFactory::CreateInstance, public
//
// Synopsis: create a new object with the same class
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
STDMETHODIMP CBallClassFactory::CreateInstance(IUnknown *punkOuter,
REFIID riid,
void **ppunkObject)
{
SCODE sc = E_OUTOFMEMORY;
*ppunkObject = NULL; // in case of failure
// create a ball object.
IUnknown *punk = (IUnknown *) new CBallCtrlUnk(punkOuter);
if (punk)
{
// get the interface the caller wants to use
sc = punk->QueryInterface(riid, ppunkObject);
// release our hold on the ball, since the QI got a hold for
// the client.
punk->Release();
}
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CBallClassFactory::LockServer, public
//
// Synopsis: create a new object with the same class
//
// History: 23-Nov-92 Rickhi Created
//
//--------------------------------------------------------------------
STDMETHODIMP CBallClassFactory::LockServer(BOOL fLock)
{
if (fLock)
GlobalRefs(TRUE);
else
GlobalRefs(FALSE);
return S_OK;
}
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