dlls/dmband/dmband_main.c

   1 /* DirectMusicBand 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 "initguid.h"
  21 #include "dmband_private.h"
  22 #include "rpcproxy.h"
  23 #include "dmobject.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(dmband);
  26
  27 typedef struct {
  28         IClassFactory IClassFactory_iface;
  29         HRESULT (*fnCreateInstance)(REFIID riid, void **ret_iface);
  30 } IClassFactoryImpl;
  31
  32 /******************************************************************
  33  *      IClassFactory implementation
  34  */
  35 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  36 {
  37         return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  38 }
  39
  40 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  41 {
  42         if (ppv == NULL)
  43                 return E_POINTER;
  44
  45         if (IsEqualGUID(&IID_IUnknown, riid))
  46                 TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  47         else if (IsEqualGUID(&IID_IClassFactory, riid))
  48                 TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  49         else {
  50                 FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  51                 *ppv = NULL;
  52                 return E_NOINTERFACE;
  53         }
  54
  55         *ppv = iface;
  56         IClassFactory_AddRef(iface);
  57         return S_OK;
  58 }
  59
  60 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  61 {
  62         return 2; /* non-heap based object */
  63 }
  64
  65 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  66 {
  67         return 1; /* non-heap based object */
  68 }
  69
  70 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter,
  71         REFIID riid, void **ppv)
  72 {
  73         IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  74
  75         TRACE ("(%p, %s, %p)\n", pUnkOuter, debugstr_dmguid(riid), ppv);
  76
  77         if (pUnkOuter) {
  78                 *ppv = NULL;
  79                 return CLASS_E_NOAGGREGATION;
  80         }
  81
  82         return This->fnCreateInstance(riid, ppv);
  83 }
  84
  85 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
  86 {
  87         TRACE("(%d)\n", dolock);
  88         return S_OK;
  89 }
  90
  91 static const IClassFactoryVtbl classfactory_vtbl = {
  92         ClassFactory_QueryInterface,
  93         ClassFactory_AddRef,
  94         ClassFactory_Release,
  95         ClassFactory_CreateInstance,
  96         ClassFactory_LockServer
  97 };
  98
  99 static IClassFactoryImpl Band_CF = {{&classfactory_vtbl}, create_dmband};
 100 static IClassFactoryImpl BandTrack_CF = {{&classfactory_vtbl}, create_dmbandtrack};
 101
 102
 103 /******************************************************************
 104  *              DllGetClassObject (DMBAND.@)
 105  *
 106  *
 107  */
 108 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 109 {
 110     TRACE("(%s, %s, %p)\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 111
 112     if (IsEqualCLSID(rclsid, &CLSID_DirectMusicBand))
 113         return IClassFactory_QueryInterface(&Band_CF.IClassFactory_iface, riid, ppv);
 114     else if (IsEqualCLSID(rclsid, &CLSID_DirectMusicBandTrack))
 115         return IClassFactory_QueryInterface(&BandTrack_CF.IClassFactory_iface, riid, ppv);
 116
 117     WARN("(%s, %s, %p): no interface found.\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 118     return CLASS_E_CLASSNOTAVAILABLE;
 119 }