dlls/dmloader/dmloader_main.c

   1 /* DirectMusicLoader Main
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winnt.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "objbase.h"
  31 #include "rpcproxy.h"
  32 #include "initguid.h"
  33 #include "dmusici.h"
  34
  35 #include "dmloader_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
  38
  39 typedef struct {
  40     IClassFactory IClassFactory_iface;
  41     HRESULT (*fnCreateInstance)(REFIID riid, void **ppv);
  42 } IClassFactoryImpl;
  43
  44 /******************************************************************
  45  *      IClassFactory implementation
  46  */
  47 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  48 {
  49     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  50 }
  51
  52 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  53 {
  54     if (ppv == NULL)
  55         return E_POINTER;
  56
  57     if (IsEqualGUID(&IID_IUnknown, riid))
  58         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  59     else if (IsEqualGUID(&IID_IClassFactory, riid))
  60         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  61     else {
  62         FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  63         *ppv = NULL;
  64         return E_NOINTERFACE;
  65 }
  66
  67     *ppv = iface;
  68     IClassFactory_AddRef(iface);
  69     return S_OK;
  70 }
  71
  72 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  73 {
  74     return 2; /* non-heap based object */
  75 }
  76
  77 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  78 {
  79     return 1; /* non-heap based object */
  80 }
  81
  82 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter,
  83     REFIID riid, void **ret_iface)
  84 {
  85     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  86
  87     TRACE ("(%s, %p)\n", debugstr_dmguid(riid), ret_iface);
  88
  89     if (pUnkOuter) {
  90         *ret_iface = NULL;
  91         return CLASS_E_NOAGGREGATION;
  92     }
  93
  94     return This->fnCreateInstance(riid, ret_iface);
  95 }
  96
  97 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
  98 {
  99     TRACE("(%d)\n", dolock);
 100     return S_OK;
 101 }
 102
 103 static const IClassFactoryVtbl classfactory_vtbl = {
 104     ClassFactory_QueryInterface,
 105     ClassFactory_AddRef,
 106     ClassFactory_Release,
 107     ClassFactory_CreateInstance,
 108     ClassFactory_LockServer
 109 };
 110
 111 static IClassFactoryImpl dm_loader_CF = {{&classfactory_vtbl}, create_dmloader};
 112 static IClassFactoryImpl dm_container_CF = {{&classfactory_vtbl}, create_dmcontainer};
 113
 114
 115 /******************************************************************
 116  *              DllGetClassObject (DMLOADER.@)
 117  */
 118 HRESULT WINAPI DllGetClassObject (REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 119 {
 120     TRACE("(%s, %s, %p)\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 121     if (IsEqualCLSID (rclsid, &CLSID_DirectMusicLoader) && IsEqualIID (riid, &IID_IClassFactory)) {
 122         IClassFactory_AddRef(&dm_loader_CF.IClassFactory_iface);
 123         *ppv = &dm_loader_CF.IClassFactory_iface;
 124         return S_OK;
 125     } else if (IsEqualCLSID (rclsid, &CLSID_DirectMusicContainer) && IsEqualIID (riid, &IID_IClassFactory)) {
 126         IClassFactory_AddRef(&dm_container_CF.IClassFactory_iface);
 127         *ppv = &dm_container_CF.IClassFactory_iface;
 128         return S_OK;
 129     }
 130
 131     WARN(": no class found\n");
 132     return CLASS_E_CLASSNOTAVAILABLE;
 133 }