Sweden-Number/dlls/mmdevapi/main.c

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/*
* Copyright 2009 Maarten Lankhorst
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
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#define CINTERFACE
#define COBJMACROS
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#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"
#include "initguid.h"
#include "ole2.h"
#include "mmdeviceapi.h"
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#include "mmdevapi.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinstDLL);
break;
case DLL_PROCESS_DETACH:
MMDevEnum_Free();
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break;
}
return TRUE;
}
HRESULT WINAPI DllCanUnloadNow(void)
{
return S_FALSE;
}
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typedef HRESULT (*FnCreateInstance)(REFIID riid, LPVOID *ppobj);
typedef struct {
const IClassFactoryVtbl *lpVtbl;
REFCLSID rclsid;
FnCreateInstance pfnCreateInstance;
} IClassFactoryImpl;
static HRESULT WINAPI
MMCF_QueryInterface(LPCLASSFACTORY iface, REFIID riid, LPVOID *ppobj)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
if (ppobj == NULL)
return E_POINTER;
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IClassFactory))
{
*ppobj = iface;
IUnknown_AddRef(iface);
return S_OK;
}
*ppobj = NULL;
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return E_NOINTERFACE;
}
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static ULONG WINAPI MMCF_AddRef(LPCLASSFACTORY iface)
{
return 2;
}
static ULONG WINAPI MMCF_Release(LPCLASSFACTORY iface)
{
/* static class, won't be freed */
return 1;
}
static HRESULT WINAPI MMCF_CreateInstance(
LPCLASSFACTORY iface,
LPUNKNOWN pOuter,
REFIID riid,
LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj);
if (pOuter)
return CLASS_E_NOAGGREGATION;
if (ppobj == NULL) {
WARN("invalid parameter\n");
return E_POINTER;
}
*ppobj = NULL;
return This->pfnCreateInstance(riid, ppobj);
}
static HRESULT WINAPI MMCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
FIXME("(%p, %d) stub!\n", This, dolock);
return S_OK;
}
static const IClassFactoryVtbl MMCF_Vtbl = {
MMCF_QueryInterface,
MMCF_AddRef,
MMCF_Release,
MMCF_CreateInstance,
MMCF_LockServer
};
static IClassFactoryImpl MMDEVAPI_CF[] = {
{ &MMCF_Vtbl, &CLSID_MMDeviceEnumerator, (FnCreateInstance)MMDevEnum_Create }
};
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
int i = 0;
TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if (ppv == NULL) {
WARN("invalid parameter\n");
return E_INVALIDARG;
}
*ppv = NULL;
if (!IsEqualIID(riid, &IID_IClassFactory) &&
!IsEqualIID(riid, &IID_IUnknown)) {
WARN("no interface for %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
for (i = 0; i < sizeof(MMDEVAPI_CF)/sizeof(MMDEVAPI_CF[0]); ++i)
{
if (IsEqualGUID(rclsid, MMDEVAPI_CF[i].rclsid)) {
IUnknown_AddRef((IClassFactory*) &MMDEVAPI_CF[i]);
*ppv = &MMDEVAPI_CF[i];
return S_OK;
}
i++;
}
WARN("(%s, %s, %p): no class found.\n", debugstr_guid(rclsid),
debugstr_guid(riid), ppv);
return CLASS_E_CLASSNOTAVAILABLE;
}