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 "dmloader_private.h"
  21 #include "rpcproxy.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
  24
  25 static HINSTANCE instance;
  26 LONG module_ref = 0;
  27
  28 typedef struct {
  29     IClassFactory IClassFactory_iface;
  30     HRESULT WINAPI (*fnCreateInstance)(REFIID riid, void **ppv, IUnknown *pUnkOuter);
  31 } IClassFactoryImpl;
  32
  33 /******************************************************************
  34  *      IClassFactory implementation
  35  */
  36 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  37 {
  38     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  39 }
  40
  41 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  42 {
  43     if (ppv == NULL)
  44         return E_POINTER;
  45
  46     if (IsEqualGUID(&IID_IUnknown, riid))
  47         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  48     else if (IsEqualGUID(&IID_IClassFactory, riid))
  49         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  50     else {
  51         FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  52         *ppv = NULL;
  53         return E_NOINTERFACE;
  54 }
  55
  56     *ppv = iface;
  57     IClassFactory_AddRef(iface);
  58     return S_OK;
  59 }
  60
  61 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  62 {
  63     lock_module();
  64
  65     return 2; /* non-heap based object */
  66 }
  67
  68 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  69 {
  70     unlock_module();
  71
  72     return 1; /* non-heap based object */
  73 }
  74
  75 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter,
  76     REFIID riid, void **ppv)
  77 {
  78     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  79
  80     TRACE ("(%p, %s, %p)\n", pUnkOuter, debugstr_dmguid(riid), ppv);
  81
  82     return This->fnCreateInstance(riid, ppv, pUnkOuter);
  83 }
  84
  85 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
  86 {
  87     TRACE("(%d)\n", dolock);
  88
  89     if (dolock)
  90         lock_module();
  91     else
  92         unlock_module();
  93
  94     return S_OK;
  95 }
  96
  97 static const IClassFactoryVtbl classfactory_vtbl = {
  98     ClassFactory_QueryInterface,
  99     ClassFactory_AddRef,
 100     ClassFactory_Release,
 101     ClassFactory_CreateInstance,
 102     ClassFactory_LockServer
 103 };
 104
 105 static IClassFactoryImpl dm_loader_CF = {{&classfactory_vtbl}, DMUSIC_CreateDirectMusicLoaderImpl};
 106 static IClassFactoryImpl dm_container_CF = {{&classfactory_vtbl},
 107                                             DMUSIC_CreateDirectMusicContainerImpl};
 108
 109 /******************************************************************
 110  *              DllMain
 111  */
 112 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
 113         if (fdwReason == DLL_PROCESS_ATTACH) {
 114                 instance = hinstDLL;
 115                 DisableThreadLibraryCalls(hinstDLL);
 116         }
 117         return TRUE;
 118 }
 119
 120
 121 /******************************************************************
 122  *              DllCanUnloadNow (DMLOADER.@)
 123  */
 124 HRESULT WINAPI DllCanUnloadNow (void)
 125 {
 126     TRACE("() ref=%d\n", module_ref);
 127
 128     return module_ref ? S_FALSE : S_OK;
 129 }
 130
 131 /******************************************************************
 132  *              DllGetClassObject (DMLOADER.@)
 133  */
 134 HRESULT WINAPI DllGetClassObject (REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 135 {
 136     TRACE("(%s, %s, %p)\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 137     if (IsEqualCLSID (rclsid, &CLSID_DirectMusicLoader) && IsEqualIID (riid, &IID_IClassFactory)) {
 138         IClassFactory_AddRef(&dm_loader_CF.IClassFactory_iface);
 139         *ppv = &dm_loader_CF.IClassFactory_iface;
 140         return S_OK;
 141     } else if (IsEqualCLSID (rclsid, &CLSID_DirectMusicContainer) && IsEqualIID (riid, &IID_IClassFactory)) {
 142         IClassFactory_AddRef(&dm_container_CF.IClassFactory_iface);
 143         *ppv = &dm_container_CF.IClassFactory_iface;
 144         return S_OK;
 145     }
 146
 147     WARN(": no class found\n");
 148     return CLASS_E_CLASSNOTAVAILABLE;
 149 }
 150
 151 /***********************************************************************
 152  *              DllRegisterServer (DMLOADER.@)
 153  */
 154 HRESULT WINAPI DllRegisterServer(void)
 155 {
 156     return __wine_register_resources( instance );
 157 }
 158
 159 /***********************************************************************
 160  *              DllUnregisterServer (DMLOADER.@)
 161  */
 162 HRESULT WINAPI DllUnregisterServer(void)
 163 {
 164     return __wine_unregister_resources( instance );
 165 }