100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
#include "..\\inc\\urlint.h"
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#include "..\\inc\\wcheckcb.h"
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#include "..\\inc\\debug.h"
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// createion method
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STDMETHODIMP CreateCallbackClassFactory(IClassFactory** ppCF)
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{
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*ppCF = (IClassFactory*)new CCallbackObjFactory;
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if (*ppCF == NULL)
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return E_OUTOFMEMORY;
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return S_OK;
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}
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// constructor
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CCallbackObjFactory::CCallbackObjFactory()
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{
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DllAddRef();
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m_cRef = 1;
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m_cLocks = 0;
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}
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// destructor
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CCallbackObjFactory::~CCallbackObjFactory()
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{
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Assert(m_cRef == 0 && m_cLocks == 0);
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DllRelease();
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}
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/******************************************************************************
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IUnknown methods
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******************************************************************************/
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STDMETHODIMP CCallbackObjFactory::QueryInterface(REFIID iid, void** ppvObject)
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{
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*ppvObject = NULL;
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if (iid == IID_IUnknown || iid == IID_IClassFactory)
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{
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*ppvObject = (void*)this;
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((LPUNKNOWN)*ppvObject)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CCallbackObjFactory::AddRef(void)
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{
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return ++m_cRef;
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}
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STDMETHODIMP_(ULONG) CCallbackObjFactory::Release(void)
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{
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if (--m_cRef)
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return m_cRef;
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delete this;
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return 0;
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}
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/******************************************************************************
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IClassFactory methods
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******************************************************************************/
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STDMETHODIMP CCallbackObjFactory::CreateInstance(
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LPUNKNOWN pUnkOuter,
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REFIID riid,
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LPVOID* ppv)
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{
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*ppv = NULL;
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HRESULT hr = S_OK;
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if (pUnkOuter != NULL)
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return CLASS_E_NOAGGREGATION;
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CControlRefreshCallback *pCRC = new CControlRefreshCallback;
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if (pCRC == NULL)
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return E_OUTOFMEMORY;
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hr = pCRC->QueryInterface(riid, ppv);
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pCRC->Release();
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return hr;
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}
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STDMETHODIMP CCallbackObjFactory::LockServer(BOOL fLock)
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{
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if (fLock)
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DllAddRef();
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else
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DllRelease();
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return S_OK;
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}
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