Source code of Windows XP (NT5)
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/*++
Copyright (c) 1995 Microsoft Corporation
Module Name:
cprinter.cxx
Abstract:
Contains methods for PrintQueue object, GeneralInfo property set
and Operation property set for the Print Queue object for the Windows NT
provider
Author:
Ram Viswanathan (ramv) 11-09-95
Revision History:
--*/
#include "nds.hxx"
#pragma hdrstop
//
// Class CNDSPrintQueue Methods
//
struct _propmap
{
LPTSTR pszADsProp;
LPTSTR pszNDSProp;
} aPrintPropMapping[] =
{ { TEXT("Description"), TEXT("Description") },
{ TEXT("Location"), TEXT("L") },
{ TEXT("HostComputer"), TEXT("Host Server") }
};
DEFINE_IDispatch_Implementation(CNDSPrintQueue)
DEFINE_CONTAINED_IADs_Implementation(CNDSPrintQueue)
DEFINE_CONTAINED_IADsPropertyList_Implementation(CNDSPrintQueue)
DEFINE_CONTAINED_IADsPutGet_Implementation(CNDSPrintQueue, aPrintPropMapping)
CNDSPrintQueue::CNDSPrintQueue():
_pADs(NULL),
_pADsPropList(NULL)
{
_pDispMgr = NULL;
ENLIST_TRACKING(CNDSPrintQueue);
return;
}
CNDSPrintQueue::~CNDSPrintQueue()
{
if (_pADs) {
_pADs->Release();
}
if (_pADsPropList) {
_pADsPropList->Release();
}
delete _pDispMgr;
return;
}
HRESULT
CNDSPrintQueue:: CreatePrintQueue(
IADs * pADs,
REFIID riid,
LPVOID * ppvoid
)
{
CNDSPrintQueue *pPrintQueue = NULL;
HRESULT hr;
//
// Create the printer object
//
hr = AllocatePrintQueueObject(
pADs,
&pPrintQueue
);
BAIL_ON_FAILURE(hr);
//
// initialize the core object
//
BAIL_ON_FAILURE(hr);
hr = pPrintQueue->QueryInterface(
riid,
(void **)ppvoid
);
BAIL_ON_FAILURE(hr);
pPrintQueue->Release();
RRETURN(hr);
error:
delete pPrintQueue;
RRETURN (hr);
}
/* IUnknown methods for printer object */
STDMETHODIMP
CNDSPrintQueue::QueryInterface(REFIID riid, LPVOID FAR* ppvObj)
{
if(!ppvObj)
{
RRETURN(E_POINTER);
}
if (IsEqualIID(riid, IID_IUnknown))
{
*ppvObj = (IADsPrintQueue *)this;
}
else if (IsEqualIID(riid, IID_IDispatch))
{
*ppvObj = (IADsPrintQueue *)this;
}
else if (IsEqualIID(riid, IID_IADs))
{
*ppvObj = (IADsPrintQueue FAR *) this;
}
else if (IsEqualIID(riid, IID_IADsPrintQueue))
{
*ppvObj = (IADsPrintQueue FAR *) this;
}
else if (IsEqualIID(riid, IID_IADsPrintQueueOperations))
{
*ppvObj = (IADsPrintQueueOperations FAR *) this;
}
else if (IsEqualIID(riid, IID_IADsPropertyList) && _pADsPropList)
{
*ppvObj = (IADsPropertyList FAR *) this;
}
else
{
*ppvObj = NULL;
RRETURN(E_NOINTERFACE);
}
((LPUNKNOWN)*ppvObj)->AddRef();
RRETURN(S_OK);
}
HRESULT
CNDSPrintQueue::AllocatePrintQueueObject(
IADs * pADs,
CNDSPrintQueue ** ppPrintQueue
)
{
CNDSPrintQueue FAR * pPrintQueue = NULL;
HRESULT hr = S_OK;
pPrintQueue = new CNDSPrintQueue();
if (pPrintQueue == NULL) {
hr = E_OUTOFMEMORY;
}
BAIL_ON_FAILURE(hr);
pPrintQueue->_pDispMgr = new CDispatchMgr;
if (pPrintQueue->_pDispMgr == NULL) {
hr = E_OUTOFMEMORY;
}
BAIL_ON_FAILURE(hr);
hr = LoadTypeInfoEntry(
pPrintQueue->_pDispMgr,
LIBID_ADs,
IID_IADsPrintQueue,
(IADsPrintQueue *)pPrintQueue,
DISPID_REGULAR
);
BAIL_ON_FAILURE(hr);
hr = LoadTypeInfoEntry(
pPrintQueue->_pDispMgr,
LIBID_ADs,
IID_IADsPrintQueueOperations,
(IADsPrintQueueOperations *)pPrintQueue,
DISPID_REGULAR
);
hr = LoadTypeInfoEntry(
pPrintQueue->_pDispMgr,
LIBID_ADs,
IID_IADsPropertyList,
(IADsPropertyList *)pPrintQueue,
DISPID_VALUE
);
BAIL_ON_FAILURE(hr);
//
// Store the pointer to the internal generic object
// AND add ref this pointer
//
pPrintQueue->_pADs = pADs;
pADs->AddRef();
*ppPrintQueue = pPrintQueue;
RRETURN(hr);
error:
delete pPrintQueue;
RRETURN(hr);
}