dlls/evr/main.c

   1 /*
   2  * Copyright (C) 2015 Austin English
   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 #define COBJMACROS
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27
  28 #include "ole2.h"
  29 #include "rpcproxy.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(evr);
  34
  35 static HINSTANCE instance_evr;
  36
  37 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
  38 {
  39     TRACE("(%p, %d, %p)\n", instance, reason, reserved);
  40
  41     switch (reason)
  42     {
  43         case DLL_WINE_PREATTACH:
  44             return FALSE;    /* prefer native version */
  45         case DLL_PROCESS_ATTACH:
  46             instance_evr = instance;
  47             DisableThreadLibraryCalls(instance);
  48             break;
  49     }
  50
  51     return TRUE;
  52 }
  53
  54 typedef struct {
  55     IClassFactory IClassFactory_iface;
  56
  57     LONG ref;
  58     HRESULT (*pfnCreateInstance)(IUnknown *unk_outer, void **ppobj);
  59 } IClassFactoryImpl;
  60
  61 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  62 {
  63     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  64 }
  65
  66 struct object_creation_info
  67 {
  68     const CLSID *clsid;
  69     HRESULT (*pfnCreateInstance)(IUnknown *unk_outer, void **ppobj);
  70 };
  71
  72 static const struct object_creation_info object_creation[] =
  73 {
  74     { &GUID_NULL, 0 },
  75 };
  76
  77 static HRESULT WINAPI classfactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
  78 {
  79     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  80
  81     if (IsEqualGUID(riid, &IID_IUnknown)
  82         || IsEqualGUID(riid, &IID_IClassFactory))
  83     {
  84         IClassFactory_AddRef(iface);
  85         *ppobj = &This->IClassFactory_iface;
  86         return S_OK;
  87     }
  88
  89     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  90     return E_NOINTERFACE;
  91 }
  92
  93 static ULONG WINAPI classfactory_AddRef(IClassFactory *iface)
  94 {
  95     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  96     return InterlockedIncrement(&This->ref);
  97 }
  98
  99 static ULONG WINAPI classfactory_Release(IClassFactory *iface)
 100 {
 101     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 102     ULONG ref = InterlockedDecrement(&This->ref);
 103
 104     if (ref == 0)
 105         HeapFree(GetProcessHeap(), 0, This);
 106
 107     return ref;
 108 }
 109
 110 static HRESULT WINAPI classfactory_CreateInstance(IClassFactory *iface, IUnknown *outer_unk, REFIID riid, void **ppobj)
 111 {
 112     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 113     HRESULT hres;
 114     IUnknown *unk;
 115
 116     TRACE("(%p)->(%p,%s,%p)\n", This, outer_unk, debugstr_guid(riid), ppobj);
 117
 118     *ppobj = NULL;
 119     hres = This->pfnCreateInstance(outer_unk, (void **) &unk);
 120     if (SUCCEEDED(hres))
 121     {
 122         hres = IUnknown_QueryInterface(unk, riid, ppobj);
 123         IUnknown_Release(unk);
 124     }
 125     return hres;
 126 }
 127
 128 static HRESULT WINAPI classfactory_LockServer(IClassFactory *iface, BOOL dolock)
 129 {
 130     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 131     FIXME("(%p)->(%d), stub!\n", This, dolock);
 132     return S_OK;
 133 }
 134
 135 static const IClassFactoryVtbl classfactory_Vtbl =
 136 {
 137     classfactory_QueryInterface,
 138     classfactory_AddRef,
 139     classfactory_Release,
 140     classfactory_CreateInstance,
 141     classfactory_LockServer
 142 };
 143
 144 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 145 {
 146     unsigned int i;
 147     IClassFactoryImpl *factory;
 148
 149     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 150
 151     if (!IsEqualGUID(&IID_IClassFactory, riid)
 152          && !IsEqualGUID( &IID_IUnknown, riid))
 153         return E_NOINTERFACE;
 154
 155     for (i = 0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 156     {
 157         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 158             break;
 159     }
 160
 161     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 162     {
 163         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 164         return CLASS_E_CLASSNOTAVAILABLE;
 165     }
 166
 167     factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
 168     if (factory == NULL)
 169         return E_OUTOFMEMORY;
 170
 171     factory->IClassFactory_iface.lpVtbl = &classfactory_Vtbl;
 172     factory->ref = 1;
 173
 174     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 175
 176     *ppv = &(factory->IClassFactory_iface);
 177     return S_OK;
 178 }
 179
 180 HRESULT WINAPI DllCanUnloadNow(void)
 181 {
 182     return S_FALSE;
 183 }
 184
 185 HRESULT WINAPI DllRegisterServer(void)
 186 {
 187     return __wine_register_resources(instance_evr);
 188 }
 189
 190 HRESULT WINAPI DllUnregisterServer(void)
 191 {
 192     return __wine_unregister_resources(instance_evr);
 193 }