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 "dmband_private.h"
  21 #include "rpcproxy.h"
  22 #include "dmobject.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(dmband);
  25
  26 static HINSTANCE instance;
  27 LONG DMBAND_refCount = 0;
  28
  29 typedef struct {
  30         IClassFactory IClassFactory_iface;
  31         HRESULT WINAPI (*fnCreateInstance)(REFIID riid, void **ret_iface);
  32 } IClassFactoryImpl;
  33
  34 /******************************************************************
  35  *      IClassFactory implementation
  36  */
  37 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  38 {
  39         return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  40 }
  41
  42 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  43 {
  44         if (ppv == NULL)
  45                 return E_POINTER;
  46
  47         if (IsEqualGUID(&IID_IUnknown, riid))
  48                 TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  49         else if (IsEqualGUID(&IID_IClassFactory, riid))
  50                 TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  51         else {
  52                 FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  53                 *ppv = NULL;
  54                 return E_NOINTERFACE;
  55         }
  56
  57         *ppv = iface;
  58         IClassFactory_AddRef(iface);
  59         return S_OK;
  60 }
  61
  62 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  63 {
  64         DMBAND_LockModule();
  65
  66         return 2; /* non-heap based object */
  67 }
  68
  69 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  70 {
  71         DMBAND_UnlockModule();
  72
  73         return 1; /* non-heap based object */
  74 }
  75
  76 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter,
  77         REFIID riid, void **ppv)
  78 {
  79         IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  80
  81         TRACE ("(%p, %s, %p)\n", pUnkOuter, debugstr_dmguid(riid), ppv);
  82
  83         if (pUnkOuter) {
  84                 *ppv = NULL;
  85                 return CLASS_E_NOAGGREGATION;
  86         }
  87
  88         return This->fnCreateInstance(riid, ppv);
  89 }
  90
  91 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
  92 {
  93         TRACE("(%d)\n", dolock);
  94
  95         if (dolock)
  96                 DMBAND_LockModule();
  97         else
  98                 DMBAND_UnlockModule();
  99
 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 Band_CF = {{&classfactory_vtbl}, create_dmband};
 112 static IClassFactoryImpl BandTrack_CF = {{&classfactory_vtbl}, create_dmbandtrack};
 113
 114 /******************************************************************
 115  *              DllMain
 116  *
 117  *
 118  */
 119 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
 120         if (fdwReason == DLL_PROCESS_ATTACH) {
 121             instance = hinstDLL;
 122             DisableThreadLibraryCalls(hinstDLL);
 123         }
 124
 125         return TRUE;
 126 }
 127
 128
 129 /******************************************************************
 130  *              DllCanUnloadNow (DMBAND.@)
 131  *
 132  *
 133  */
 134 HRESULT WINAPI DllCanUnloadNow(void)
 135 {
 136         return DMBAND_refCount != 0 ? S_FALSE : S_OK;
 137 }
 138
 139
 140 /******************************************************************
 141  *              DllGetClassObject (DMBAND.@)
 142  *
 143  *
 144  */
 145 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 146 {
 147     TRACE("(%s, %s, %p)\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 148
 149     if (IsEqualCLSID(rclsid, &CLSID_DirectMusicBand))
 150         return IClassFactory_QueryInterface(&Band_CF.IClassFactory_iface, riid, ppv);
 151     else if (IsEqualCLSID(rclsid, &CLSID_DirectMusicBandTrack))
 152         return IClassFactory_QueryInterface(&BandTrack_CF.IClassFactory_iface, riid, ppv);
 153
 154     WARN("(%s, %s, %p): no interface found.\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 155     return CLASS_E_CLASSNOTAVAILABLE;
 156 }
 157
 158 /***********************************************************************
 159  *              DllRegisterServer (DMBAND.@)
 160  */
 161 HRESULT WINAPI DllRegisterServer(void)
 162 {
 163     return __wine_register_resources( instance );
 164 }
 165
 166 /***********************************************************************
 167  *              DllUnregisterServer (DMBAND.@)
 168  */
 169 HRESULT WINAPI DllUnregisterServer(void)
 170 {
 171     return __wine_unregister_resources( instance );
 172 }