Source code of Windows XP (NT5)
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/*****************************************************************************
*
* mapcf.c - IClassFactory interface
*
*****************************************************************************/
#include "map.h"
/*****************************************************************************
*
* The sqiffle for this file.
*
*****************************************************************************/
#define sqfl sqflFactory
/*****************************************************************************
*
* Declare the interfaces we will be providing.
*
*****************************************************************************/
Primary_Interface(CMapFactory, IClassFactory);
/*****************************************************************************
*
* CMapFactory
*
* Really nothing doing.
*
*****************************************************************************/
typedef struct CMapFactory {
/* Supported interfaces */
IClassFactory cf;
} CMapFactory, FCF, *PFCF;
typedef IClassFactory CF, *PCF;
/*****************************************************************************
*
* CMapFactory_QueryInterface (from IUnknown)
* CMapFactory_AddRef (from IUnknown)
* CMapFactory_Finalize (from Common)
* CMapFactory_Release (from IUnknown)
*
*****************************************************************************/
#ifdef DEBUG
Default_QueryInterface(CMapFactory)
Default_AddRef(CMapFactory)
Default_Release(CMapFactory)
#else
#define CMapFactory_QueryInterface Common_QueryInterface
#define CMapFactory_AddRef Common_AddRef
#define CMapFactory_Release Common_Release
#endif
#define CMapFactory_Finalize Common_Finalize
/*****************************************************************************
*
* CMapFactory_CreateInstance (from IClassFactory)
*
*****************************************************************************/
STDMETHODIMP
CMapFactory_CreateInstance(PCF pcf, LPUNKNOWN punkOuter, RIID riid, PPV ppvObj)
{
HRESULT hres;
SquirtSqflPtszV(sqfl, TEXT("CMapFactory_CreateInstance()"));
if (!punkOuter) {
/* The only object we know how to create is a propsheet extension */
hres = CMapPsx_New(riid, ppvObj);
} else { /* Does anybody support aggregation any more? */
hres = CLASS_E_NOAGGREGATION;
}
SquirtSqflPtszV(sqfl, TEXT("CMapFactory_CreateInstance() -> %08x [%08x]"),
hres, *ppvObj);
return hres;
}
/*****************************************************************************
*
* CMapFactory_LockServer (from IClassFactory)
*
* What a stupid function. Locking the server is identical to
* creating an object and not releasing it until you want to unlock
* the server.
*
*****************************************************************************/
STDMETHODIMP
CMapFactory_LockServer(PCF pcf, BOOL fLock)
{
PFCF this = IToClass(CMapFactory, cf, pcf);
if (fLock) {
InterlockedIncrement((LPLONG)&g_cRef);
} else {
InterlockedDecrement((LPLONG)&g_cRef);
}
return S_OK;
}
/*****************************************************************************
*
* CMapFactory_New
*
*****************************************************************************/
STDMETHODIMP
CMapFactory_New(RIID riid, PPV ppvObj)
{
HRESULT hres;
if (IsEqualIID(riid, &IID_IClassFactory)) {
hres = Common_New(CMapFactory, ppvObj);
} else {
hres = E_NOINTERFACE;
}
return hres;
}
/*****************************************************************************
*
* The long-awaited vtbl
*
*****************************************************************************/
#pragma BEGIN_CONST_DATA
Primary_Interface_Begin(CMapFactory, IClassFactory)
CMapFactory_CreateInstance,
CMapFactory_LockServer,
Primary_Interface_End(CMapFactory, IClassFactory)