git.oblomov.eu Git - wine/blob - dlls/mmdevapi/main.c

   1 /*
   2  * Copyright 2009 Maarten Lankhorst
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define CINTERFACE
  24 #define COBJMACROS
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wine/debug.h"
  28
  29 #include "initguid.h"
  30 #include "ole2.h"
  31 #include "mmdeviceapi.h"
  32
  33 #include "mmdevapi.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  36
  37 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  38 {
  39     TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
  40
  41     switch (fdwReason)
  42     {
  43         case DLL_PROCESS_ATTACH:
  44             DisableThreadLibraryCalls(hinstDLL);
  45             break;
  46         case DLL_PROCESS_DETACH:
  47             MMDevEnum_Free();
  48             break;
  49     }
  50
  51     return TRUE;
  52 }
  53
  54 HRESULT WINAPI DllCanUnloadNow(void)
  55 {
  56     FIXME("stub\n");
  57     return S_FALSE;
  58 }
  59
  60 typedef HRESULT (*FnCreateInstance)(REFIID riid, LPVOID *ppobj);
  61
  62 typedef struct {
  63     const IClassFactoryVtbl *lpVtbl;
  64     REFCLSID rclsid;
  65     FnCreateInstance pfnCreateInstance;
  66 } IClassFactoryImpl;
  67
  68 static HRESULT WINAPI
  69 MMCF_QueryInterface(LPCLASSFACTORY iface, REFIID riid, LPVOID *ppobj)
  70 {
  71     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  72     TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
  73     if (ppobj == NULL)
  74         return E_POINTER;
  75     if (IsEqualIID(riid, &IID_IUnknown) ||
  76         IsEqualIID(riid, &IID_IClassFactory))
  77     {
  78         *ppobj = iface;
  79         IUnknown_AddRef(iface);
  80         return S_OK;
  81     }
  82     *ppobj = NULL;
  83     return E_NOINTERFACE;
  84 }
  85
  86 static ULONG WINAPI MMCF_AddRef(LPCLASSFACTORY iface)
  87 {
  88     return 2;
  89 }
  90
  91 static ULONG WINAPI MMCF_Release(LPCLASSFACTORY iface)
  92 {
  93     /* static class, won't be freed */
  94     return 1;
  95 }
  96
  97 static HRESULT WINAPI MMCF_CreateInstance(
  98     LPCLASSFACTORY iface,
  99     LPUNKNOWN pOuter,
 100     REFIID riid,
 101     LPVOID *ppobj)
 102 {
 103     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 104     TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj);
 105
 106     if (pOuter)
 107         return CLASS_E_NOAGGREGATION;
 108
 109     if (ppobj == NULL) {
 110         WARN("invalid parameter\n");
 111         return E_POINTER;
 112     }
 113     *ppobj = NULL;
 114     return This->pfnCreateInstance(riid, ppobj);
 115 }
 116
 117 static HRESULT WINAPI MMCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
 118 {
 119     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 120     FIXME("(%p, %d) stub!\n", This, dolock);
 121     return S_OK;
 122 }
 123
 124 static const IClassFactoryVtbl MMCF_Vtbl = {
 125     MMCF_QueryInterface,
 126     MMCF_AddRef,
 127     MMCF_Release,
 128     MMCF_CreateInstance,
 129     MMCF_LockServer
 130 };
 131
 132 static IClassFactoryImpl MMDEVAPI_CF[] = {
 133     { &MMCF_Vtbl, &CLSID_MMDeviceEnumerator, (FnCreateInstance)MMDevEnum_Create }
 134 };
 135
 136 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 137 {
 138     int i = 0;
 139     TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 140
 141     if (ppv == NULL) {
 142         WARN("invalid parameter\n");
 143         return E_INVALIDARG;
 144     }
 145
 146     *ppv = NULL;
 147
 148     if (!IsEqualIID(riid, &IID_IClassFactory) &&
 149         !IsEqualIID(riid, &IID_IUnknown)) {
 150         WARN("no interface for %s\n", debugstr_guid(riid));
 151         return E_NOINTERFACE;
 152     }
 153
 154     for (i = 0; i < sizeof(MMDEVAPI_CF)/sizeof(MMDEVAPI_CF[0]); ++i)
 155     {
 156         if (IsEqualGUID(rclsid, MMDEVAPI_CF[i].rclsid)) {
 157             IUnknown_AddRef((IClassFactory*) &MMDEVAPI_CF[i]);
 158             *ppv = &MMDEVAPI_CF[i];
 159             return S_OK;
 160         }
 161         i++;
 162     }
 163
 164     WARN("(%s, %s, %p): no class found.\n", debugstr_guid(rclsid),
 165          debugstr_guid(riid), ppv);
 166     return CLASS_E_CLASSNOTAVAILABLE;
 167 }