dll/win32/wshom.ocx/wshom_main.c

   1 /*
   2  * Copyright 2011 Jacek Caban for CodeWeavers
   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 #include "wshom_private.h"
  20
  21 #include <rpcproxy.h>
  22
  23 static HINSTANCE wshom_instance;
  24
  25 static ITypeLib *typelib;
  26 static ITypeInfo *typeinfos[LAST_tid];
  27
  28 static REFIID tid_ids[] = {
  29     &IID_NULL,
  30     &IID_IWshCollection,
  31     &IID_IWshEnvironment,
  32     &IID_IWshShell3,
  33     &IID_IWshShortcut
  34 };
  35
  36 static HRESULT load_typelib(void)
  37 {
  38     HRESULT hres;
  39     ITypeLib *tl;
  40
  41     hres = LoadRegTypeLib(&LIBID_IWshRuntimeLibrary, 1, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  42     if(FAILED(hres)) {
  43         ERR("LoadRegTypeLib failed: %08x\n", hres);
  44         return hres;
  45     }
  46
  47     if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
  48         ITypeLib_Release(tl);
  49     return hres;
  50 }
  51
  52 HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
  53 {
  54     HRESULT hres;
  55
  56     if (!typelib)
  57         hres = load_typelib();
  58     if (!typelib)
  59         return hres;
  60
  61     if(!typeinfos[tid]) {
  62         ITypeInfo *ti;
  63
  64         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
  65         if(FAILED(hres)) {
  66             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
  67             return hres;
  68         }
  69
  70         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
  71             ITypeInfo_Release(ti);
  72     }
  73
  74     *typeinfo = typeinfos[tid];
  75     ITypeInfo_AddRef(*typeinfo);
  76     return S_OK;
  77 }
  78
  79 static
  80 void release_typelib(void)
  81 {
  82     unsigned i;
  83
  84     if(!typelib)
  85         return;
  86
  87     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
  88         if(typeinfos[i])
  89             ITypeInfo_Release(typeinfos[i]);
  90
  91     ITypeLib_Release(typelib);
  92 }
  93
  94 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  95 {
  96     *ppv = NULL;
  97
  98     if(IsEqualGUID(&IID_IUnknown, riid)) {
  99         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 100         *ppv = iface;
 101     }else if(IsEqualGUID(&IID_IClassFactory, riid)) {
 102         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 103         *ppv = iface;
 104     }
 105
 106     if(*ppv) {
 107         IUnknown_AddRef((IUnknown*)*ppv);
 108         return S_OK;
 109     }
 110
 111     FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
 112     return E_NOINTERFACE;
 113 }
 114
 115 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 116 {
 117     TRACE("(%p)\n", iface);
 118     return 2;
 119 }
 120
 121 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 122 {
 123     TRACE("(%p)\n", iface);
 124     return 1;
 125 }
 126
 127 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 128 {
 129     TRACE("(%p)->(%x)\n", iface, fLock);
 130     return S_OK;
 131 }
 132
 133 static const IClassFactoryVtbl WshShellFactoryVtbl = {
 134     ClassFactory_QueryInterface,
 135     ClassFactory_AddRef,
 136     ClassFactory_Release,
 137     WshShellFactory_CreateInstance,
 138     ClassFactory_LockServer
 139 };
 140
 141 static IClassFactory WshShellFactory = { &WshShellFactoryVtbl };
 142
 143 /******************************************************************
 144  *              DllMain (wshom.ocx.@)
 145  */
 146 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 147 {
 148     TRACE("(%p %d %p)\n", hInstDLL, fdwReason, lpv);
 149
 150     switch(fdwReason)
 151     {
 152     case DLL_WINE_PREATTACH:
 153         return FALSE;  /* prefer native version */
 154     case DLL_PROCESS_ATTACH:
 155         wshom_instance = hInstDLL;
 156         DisableThreadLibraryCalls(wshom_instance);
 157         break;
 158     case DLL_PROCESS_DETACH:
 159         if (lpv) break;
 160         release_typelib();
 161         break;
 162     }
 163
 164     return TRUE;
 165 }
 166
 167 /***********************************************************************
 168  *              DllGetClassObject       (wshom.ocx.@)
 169  */
 170 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 171 {
 172     if(IsEqualGUID(&CLSID_WshShell, rclsid)) {
 173         TRACE("(CLSID_WshShell %s %p)\n", debugstr_guid(riid), ppv);
 174         return IClassFactory_QueryInterface(&WshShellFactory, riid, ppv);
 175     }
 176
 177     FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 178     return CLASS_E_CLASSNOTAVAILABLE;
 179 }
 180
 181 /***********************************************************************
 182  *          DllCanUnloadNow (wshom.ocx.@)
 183  */
 184 HRESULT WINAPI DllCanUnloadNow(void)
 185 {
 186     return S_FALSE;
 187 }
 188
 189 /***********************************************************************
 190  *          DllRegisterServer (wshom.ocx.@)
 191  */
 192 HRESULT WINAPI DllRegisterServer(void)
 193 {
 194     TRACE("()\n");
 195     return __wine_register_resources(wshom_instance);
 196 }
 197
 198 /***********************************************************************
 199  *          DllUnregisterServer (wshom.ocx.@)
 200  */
 201 HRESULT WINAPI DllUnregisterServer(void)
 202 {
 203     TRACE("()\n");
 204     return __wine_unregister_resources(wshom_instance);
 205 }