106 lines
1.8 KiB
C++
106 lines
1.8 KiB
C++
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/***
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*ccf.cpp
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*
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* Copyright (C) 1992, Microsoft Corporation. All Rights Reserved.
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* Information Contained Herein Is Proprietary and Confidential.
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*
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*Purpose:
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* Implementation of the default class factory.
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*
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*Revision History:
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*
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* [00] 02-Dec-92 bradlo: Created.
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*
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*Implementation Notes:
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*
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*****************************************************************************/
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#include "sdisptst.h"
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ASSERTDATA
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CClassFactory::CClassFactory()
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{
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m_refs = 0;
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}
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HRESULT
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CClassFactory::Create(
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HRESULT (*pfnCreate)(IUnknown FAR* punkOuter, IUnknown FAR* FAR* ppunk),
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IClassFactory FAR* FAR* ppcf)
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{
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CClassFactory FAR* pcf;
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if((pcf = new FAR CClassFactory()) == NULL)
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return RESULT(E_OUTOFMEMORY);
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pcf->AddRef();
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pcf->m_pfnCreate = pfnCreate;
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*ppcf = pcf;
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return NOERROR;
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}
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STDMETHODIMP
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CClassFactory::QueryInterface(REFIID riid, void FAR* FAR* ppv)
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{
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if(!IsEqualIID(riid, IID_IUnknown))
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if(!IsEqualIID(riid, IID_IClassFactory)) {
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*ppv = NULL;
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return RESULT(E_NOINTERFACE);
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}
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*ppv = this;
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++m_refs;
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return S_OK;
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}
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STDMETHODIMP_(unsigned long)
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CClassFactory::AddRef(void)
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{
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return (unsigned long)++m_refs;
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}
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STDMETHODIMP_(unsigned long)
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CClassFactory::Release(void)
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{
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--m_refs;
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ASSERT(m_refs >= 0);
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if(m_refs == 0){
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delete this;
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return 0;
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}
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return (unsigned long)m_refs;
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}
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STDMETHODIMP
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CClassFactory::CreateInstance(
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IUnknown FAR* punkOuter,
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REFIID riid,
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void FAR* FAR* ppv)
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{
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HRESULT hresult;
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IUnknown FAR* punk;
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*ppv = NULL;
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IfFailRet(m_pfnCreate(punkOuter, &punk));
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hresult = punk->QueryInterface(riid, ppv);
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punk->Release();
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return hresult;
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}
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#if OE_MAC
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STDMETHODIMP CClassFactory::LockServer(unsigned long fLock)
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#else
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STDMETHODIMP CClassFactory::LockServer(BOOL fLock)
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#endif
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{
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UNUSED(fLock);
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return NOERROR;
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}
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