dlls/dxdiagn/dxdiag_main.c

   1 /*
   2  * DXDiag
   3  *
   4  * Copyright 2004 Raphael Junqueira
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  */
  21
  22 #include "config.h"
  23 #include "dxdiag_private.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
  27
  28 LONG DXDIAGN_refCount = 0;
  29
  30 /* At process attach */
  31 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
  32 {
  33   TRACE("%p,%x,%p\n", hInstDLL, fdwReason, lpvReserved);
  34   if (fdwReason == DLL_PROCESS_ATTACH) {
  35     DisableThreadLibraryCalls(hInstDLL);
  36   }
  37   return TRUE;
  38 }
  39
  40 /*******************************************************************************
  41  * DXDiag ClassFactory
  42  */
  43 typedef struct {
  44   const IClassFactoryVtbl *lpVtbl;
  45   REFCLSID   rclsid;
  46   HRESULT   (*pfnCreateInstanceFactory)(LPCLASSFACTORY iface, LPUNKNOWN punkOuter, REFIID riid, LPVOID *ppobj);
  47 } IClassFactoryImpl;
  48
  49 static HRESULT WINAPI DXDiagCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
  50   FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
  51
  52   if (ppobj == NULL) return E_POINTER;
  53
  54   return E_NOINTERFACE;
  55 }
  56
  57 static ULONG WINAPI DXDiagCF_AddRef(LPCLASSFACTORY iface) {
  58   DXDIAGN_LockModule();
  59
  60   return 2; /* non-heap based object */
  61 }
  62
  63 static ULONG WINAPI DXDiagCF_Release(LPCLASSFACTORY iface) {
  64   DXDIAGN_UnlockModule();
  65
  66   return 1; /* non-heap based object */
  67 }
  68
  69 static HRESULT WINAPI DXDiagCF_CreateInstance(LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj) {
  70   IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  71   TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
  72
  73   return This->pfnCreateInstanceFactory(iface, pOuter, riid, ppobj);
  74 }
  75
  76 static HRESULT WINAPI DXDiagCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
  77   TRACE("(%d)\n", dolock);
  78
  79   if (dolock)
  80     DXDIAGN_LockModule();
  81   else
  82     DXDIAGN_UnlockModule();
  83
  84   return S_OK;
  85 }
  86
  87 static const IClassFactoryVtbl DXDiagCF_Vtbl = {
  88   DXDiagCF_QueryInterface,
  89   DXDiagCF_AddRef,
  90   DXDiagCF_Release,
  91   DXDiagCF_CreateInstance,
  92   DXDiagCF_LockServer
  93 };
  94
  95 static IClassFactoryImpl DXDiag_CFS[] = {
  96   { &DXDiagCF_Vtbl, &CLSID_DxDiagProvider, DXDiag_CreateDXDiagProvider },
  97   { NULL, NULL, NULL }
  98 };
  99
 100 /***********************************************************************
 101  *             DllCanUnloadNow (DXDIAGN.@)
 102  */
 103 HRESULT WINAPI DllCanUnloadNow(void)
 104 {
 105   return DXDIAGN_refCount != 0 ? S_FALSE : S_OK;
 106 }
 107
 108 /***********************************************************************
 109  *              DllGetClassObject (DXDIAGN.@)
 110  */
 111 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 112 {
 113     int i = 0;
 114
 115     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 116     while (NULL != DXDiag_CFS[i].rclsid) {
 117       if (IsEqualGUID(rclsid, DXDiag_CFS[i].rclsid)) {
 118               DXDiagCF_AddRef((IClassFactory*) &DXDiag_CFS[i]);
 119               *ppv = &DXDiag_CFS[i];
 120               return S_OK;
 121       }
 122       ++i;
 123     }
 124
 125     FIXME("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 126     return CLASS_E_CLASSNOTAVAILABLE;
 127 }