Windows2000/private/inet/urlmon/eapp/cdlbsc.cxx

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2001-01-01 00:00:00 +01:00
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1997.
// File: cdlbsc.cxx
// Contents:
// Classes:
// Functions:
// History: 01-27-97 t-alans (Alan Shi) Created
#include <eapp.h>
#include "cdlbsc.hxx"
// Method: CCodeDLBSC::CCodeDLBSC
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
CCodeDLBSC::CCodeDLBSC(IOInetProtocolSink *pIOInetProtocolSink,
IOInetBindInfo *pIOInetBindInfo,
CCdlProtocol *pCDLProtocol,
BOOL fGetClassObject)
{
_cRef = 1;
_pIBinding = NULL;
_pOInetProtocolSink = pIOInetProtocolSink;
_fGetClassObject = fGetClassObject;
if (_pOInetProtocolSink != NULL)
{
_pOInetProtocolSink->AddRef();
}
_pIOInetBindInfo = pIOInetBindInfo;
if (_pIOInetBindInfo != NULL)
{
_pIOInetBindInfo->AddRef();
}
_pCDLProtocol = pCDLProtocol;
if (_pCDLProtocol != NULL)
{
_pCDLProtocol->AddRef();
}
}
// Method: CCodeDLBSC::~CCodeDLBSC
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
CCodeDLBSC::~CCodeDLBSC()
{
if (_pOInetProtocolSink != NULL)
{
_pOInetProtocolSink->Release();
}
if (_pIOInetBindInfo != NULL)
{
_pIOInetBindInfo->Release();
}
if (_pCDLProtocol != NULL)
{
_pCDLProtocol->ClearCodeDLBSC();
_pCDLProtocol->Release();
}
}
// Method: CCodeDLBSC::Abort
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
HRESULT CCodeDLBSC::Abort()
{
if (_pIBinding)
{
return _pIBinding->Abort();
}
else
{
return S_OK;
}
}
/*
* IUnknown Methods
*/
// Method: CCodeDLBSC::QueryInterface
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::QueryInterface(REFIID riid, void **ppv)
{
HRESULT hr = E_NOINTERFACE;
*ppv = NULL;
if (riid == IID_IUnknown || riid == IID_IBindStatusCallback)
{
*ppv = (IBindStatusCallback *)this;
}
else if (riid == IID_IServiceProvider)
{
*ppv = (IServiceProvider *)this;
}
if (*ppv != NULL)
{
((IUnknown *)*ppv)->AddRef();
hr = S_OK;
}
return hr;
}
// Method: CCodeDLBSC::AddRef
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP_(ULONG) CCodeDLBSC::AddRef()
{
return ++_cRef;
}
// Method: CCodeDLBSC::Release
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP_(ULONG) CCodeDLBSC::Release()
{
if (--_cRef)
{
return _cRef;
}
delete this;
return 0;
}
/*
* IBindStatusCallback Methods
*/
// Method: CCodeDLBSC::OnStartBinding
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::OnStartBinding(DWORD grfBSCOption, IBinding *pib)
{
if (_pIBinding != NULL)
{
_pIBinding->Release();
}
_pIBinding = pib;
if (_pIBinding != NULL)
{
_pIBinding->AddRef();
}
return S_OK;
}
// Method: CCodeDLBSC::OnStopBinding
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::OnStopBinding(HRESULT hresult, LPCWSTR szError)
{
HRESULT hr = S_OK;
DWORD dwError = 0;
DWORD grfBINDF = 0;
BINDINFO bindinfo;
_pCDLProtocol->SetDataPending(FALSE);
if (SUCCEEDED(hresult))
{
if (_fGetClassObject)
{
EProtAssert(_pUnk);
// put _pUnk into the bind context for CBinding to retrieve
hresult = _pCDLProtocol->RegisterIUnknown(_pUnk);
// no need for _pUnk anymore, release it
_pUnk->Release();
_pUnk = NULL;
if (SUCCEEDED(hresult))
{
_pOInetProtocolSink->ReportProgress(BINDSTATUS_IUNKNOWNAVAILABLE,
NULL);
}
}
else
{
if (!IsEqualGUID(_pCDLProtocol->GetClsid() , CLSID_NULL))
{
LPOLESTR pwzStrClsId;
StringFromCLSID(_pCDLProtocol->GetClsid(), &pwzStrClsId);
_pOInetProtocolSink->ReportProgress(BINDSTATUS_CLSIDCANINSTANTIATE, pwzStrClsId);
delete [] pwzStrClsId;
}
}
}
hr = _pOInetProtocolSink->ReportResult(hresult, dwError, szError);
return hr;
}
// Method: CCodeDLBSC::OnObjectAvailable
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::OnObjectAvailable(REFIID riid, IUnknown *punk)
{
EProtAssert(!_pUnk && punk);
_pUnk = punk;
_pUnk->AddRef();
return S_OK;
}
// Method: CCodeDLBSC::GetPriority
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::GetPriority(LONG *pnPriority)
{
return S_OK;
}
// Method: CCodeDLBSC::OnLowResource
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::OnLowResource(DWORD dwReserved)
{
return S_OK;
}
// Method: CCodeDLBSC::OnProgress
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::OnProgress(ULONG ulProgress, ULONG ulProgressMax,
ULONG ulStatusCode,
LPCWSTR szStatusText)
{
EProtAssert(_pOInetProtocolSink != NULL);
return _pOInetProtocolSink->ReportProgress(ulStatusCode, szStatusText);
}
// Method: CCodeDLBSC::GetBindInfo
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::GetBindInfo(DWORD *pgrfBINDF, BINDINFO *pbindInfo)
{
EProtAssert(_pIOInetBindInfo != NULL);
return _pIOInetBindInfo->GetBindInfo(pgrfBINDF, pbindInfo);
}
// Method: CCodeDLBSC::OnDataAvailable
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::OnDataAvailable(DWORD grfBSCF, DWORD dwSize,
FORMATETC *pformatetc,
STGMEDIUM *pstgmed)
{
return S_OK;
}
/*
* IWindowForBindingUI Methods
*/
// Method: CCodeDLBSC::QueryService
// Synopsis:
// Arguments:
// Returns:
// History: 01-27-1997 t-alans (Alan Shi) Created
// Notes:
STDMETHODIMP CCodeDLBSC::QueryService(REFGUID rsid, REFIID riid, void ** ppvObj)
{
HRESULT hr = NOERROR;
IServiceProvider *pIServiceProvider = NULL;
EProtAssert(ppvObj);
if (!ppvObj)
return E_INVALIDARG;
*ppvObj = 0;
hr = _pOInetProtocolSink->QueryInterface(IID_IServiceProvider,
(LPVOID *)&pIServiceProvider);
if (SUCCEEDED(hr))
{
hr = pIServiceProvider->QueryService(rsid, riid, (LPVOID *)ppvObj);
pIServiceProvider->Release();
}
return hr;
}