Sweden-Number/dlls/avifil32/factory.c

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/*
* Copyright 2002 Michael G<EFBFBD>nnewig
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <assert.h>
#include "winbase.h"
#include "winnls.h"
#include "winerror.h"
#include "ole2.h"
#include "vfw.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(avifile);
#include "initguid.h"
#include "avifile_private.h"
HMODULE AVIFILE_hModule = (HMODULE)NULL;
BOOL AVIFILE_bLocked = FALSE;
UINT AVIFILE_uUseCount = 0;
static HRESULT WINAPI IClassFactory_fnQueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj);
static ULONG WINAPI IClassFactory_fnAddRef(LPCLASSFACTORY iface);
static ULONG WINAPI IClassFactory_fnRelease(LPCLASSFACTORY iface);
static HRESULT WINAPI IClassFactory_fnCreateInstance(LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj);
static HRESULT WINAPI IClassFactory_fnLockServer(LPCLASSFACTORY iface,BOOL dolock);
static ICOM_VTABLE(IClassFactory) iclassfact = {
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IClassFactory_fnQueryInterface,
IClassFactory_fnAddRef,
IClassFactory_fnRelease,
IClassFactory_fnCreateInstance,
IClassFactory_fnLockServer
};
typedef struct
{
/* IUnknown fields */
ICOM_VFIELD(IClassFactory);
DWORD dwRef;
CLSID clsid;
} IClassFactoryImpl;
static HRESULT AVIFILE_CreateClassFactory(const CLSID *pclsid, const IID *riid,
LPVOID *ppv)
{
IClassFactoryImpl *pClassFactory = NULL;
HRESULT hr;
*ppv = NULL;
pClassFactory = (IClassFactoryImpl*)LocalAlloc(LPTR, sizeof(*pClassFactory));
if (pClassFactory == NULL)
return E_OUTOFMEMORY;
ICOM_VTBL(pClassFactory) = &iclassfact;
pClassFactory->dwRef = 0;
memcpy(&pClassFactory->clsid, pclsid, sizeof(pClassFactory->clsid));
hr = IUnknown_QueryInterface((IUnknown*)pClassFactory, riid, ppv);
if (FAILED(hr)) {
LocalFree((HLOCAL)pClassFactory);
*ppv = NULL;
}
return hr;
}
static HRESULT WINAPI IClassFactory_fnQueryInterface(LPCLASSFACTORY iface,
REFIID riid,LPVOID *ppobj)
{
TRACE("(%p,%p,%p)\n", iface, riid, ppobj);
if ((IsEqualGUID(&IID_IUnknown, riid)) ||
(IsEqualGUID(&IID_IClassFactory, riid))) {
*ppobj = iface;
IClassFactory_AddRef(iface);
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI IClassFactory_fnAddRef(LPCLASSFACTORY iface)
{
ICOM_THIS(IClassFactoryImpl,iface);
TRACE("(%p)\n", iface);
return ++(This->dwRef);
}
static ULONG WINAPI IClassFactory_fnRelease(LPCLASSFACTORY iface)
{
ICOM_THIS(IClassFactoryImpl,iface);
TRACE("(%p)\n", iface);
if ((--(This->dwRef)) > 0)
return This->dwRef;
return 0;
}
static HRESULT WINAPI IClassFactory_fnCreateInstance(LPCLASSFACTORY iface,
LPUNKNOWN pOuter,
REFIID riid,LPVOID *ppobj)
{
ICOM_THIS(IClassFactoryImpl,iface);
TRACE("(%p,%p,%s,%p)\n", iface, pOuter, debugstr_guid(riid),
ppobj);
if (ppobj == NULL || pOuter != NULL)
return E_FAIL;
*ppobj = NULL;
if (IsEqualGUID(&CLSID_AVIFile, &This->clsid))
return AVIFILE_CreateAVIFile(riid,ppobj);
if (IsEqualGUID(&CLSID_ICMStream, &This->clsid))
return AVIFILE_CreateICMStream(riid,ppobj);
if (IsEqualGUID(&CLSID_WAVFile, &This->clsid))
return AVIFILE_CreateWAVFile(riid,ppobj);
if (IsEqualGUID(&CLSID_ACMStream, &This->clsid))
return AVIFILE_CreateACMStream(riid,ppobj);
return E_NOINTERFACE;
}
static HRESULT WINAPI IClassFactory_fnLockServer(LPCLASSFACTORY iface,BOOL dolock)
{
TRACE("(%p,%d)\n",iface,dolock);
AVIFILE_bLocked = dolock;
return S_OK;
}
LPCWSTR AVIFILE_BasenameW(LPCWSTR szPath)
{
#define SLASH(w) ((w) == '/' || (w) == '\\')
LPCWSTR szCur;
for (szCur = szPath + lstrlenW(szPath);
szCur > szPath && !SLASH(*szCur) && *szCur != ':';)
szCur--;
if (szCur == szPath)
return szCur;
else
return szCur + 1;
#undef SLASH
}
/***********************************************************************
* DllGetClassObject (AVIFIL32.@)
*/
HRESULT WINAPI AVIFILE_DllGetClassObject(const CLSID* pclsid,REFIID piid,LPVOID *ppv)
{
TRACE("(%s,%s,%p)\n", debugstr_guid(pclsid), debugstr_guid(piid), ppv);
if (pclsid == NULL || piid == NULL || ppv == NULL)
return E_FAIL;
return AVIFILE_CreateClassFactory(pclsid,piid,ppv);
}
/*****************************************************************************
* DllCanUnloadNow (AVIFIL32.@)
*/
DWORD WINAPI AVIFILE_DllCanUnloadNow(void)
{
return ((AVIFILE_bLocked || AVIFILE_uUseCount) ? S_FALSE : S_OK);
}
/*****************************************************************************
* DllMain [AVIFIL32.init]
*/
BOOL WINAPI DllMain(HINSTANCE hInstDll, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("(%p,%lu,%p)\n", hInstDll, fdwReason, lpvReserved);
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
if (AVIFILE_hModule == (HMODULE)NULL)
AVIFILE_hModule = (HMODULE)hInstDll;
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
};
return TRUE;
}