dlls/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 "initguid.h"
  22 #include "wshom.h"
  23 #include "rpcproxy.h"
  24
  25 #include "wine/debug.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(wshom);
  28
  29 static HINSTANCE wshom_instance;
  30
  31 static ITypeLib *typelib;
  32 static ITypeInfo *typeinfos[LAST_tid];
  33
  34 static REFIID tid_ids[] = {
  35     &IID_NULL,
  36     &IID_IWshShell3,
  37     &IID_IWshCollection,
  38     &IID_IWshShortcut
  39 };
  40
  41 static HRESULT load_typelib(void)
  42 {
  43     HRESULT hres;
  44     ITypeLib *tl;
  45
  46     hres = LoadRegTypeLib(&LIBID_IWshRuntimeLibrary, 1, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  47     if(FAILED(hres)) {
  48         ERR("LoadRegTypeLib failed: %08x\n", hres);
  49         return hres;
  50     }
  51
  52     if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
  53         ITypeLib_Release(tl);
  54     return hres;
  55 }
  56
  57 HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
  58 {
  59     HRESULT hres;
  60
  61     if (!typelib)
  62         hres = load_typelib();
  63     if (!typelib)
  64         return hres;
  65
  66     if(!typeinfos[tid]) {
  67         ITypeInfo *ti;
  68
  69         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
  70         if(FAILED(hres)) {
  71             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
  72             return hres;
  73         }
  74
  75         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
  76             ITypeInfo_Release(ti);
  77     }
  78
  79     *typeinfo = typeinfos[tid];
  80     return S_OK;
  81 }
  82
  83 static
  84 void release_typelib(void)
  85 {
  86     unsigned i;
  87
  88     if(!typelib)
  89         return;
  90
  91     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
  92         if(typeinfos[i])
  93             ITypeInfo_Release(typeinfos[i]);
  94
  95     ITypeLib_Release(typelib);
  96 }
  97
  98 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  99 {
 100     *ppv = NULL;
 101
 102     if(IsEqualGUID(&IID_IUnknown, riid)) {
 103         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 104         *ppv = iface;
 105     }else if(IsEqualGUID(&IID_IClassFactory, riid)) {
 106         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 107         *ppv = iface;
 108     }
 109
 110     if(*ppv) {
 111         IUnknown_AddRef((IUnknown*)*ppv);
 112         return S_OK;
 113     }
 114
 115     FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
 116     return E_NOINTERFACE;
 117 }
 118
 119 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 120 {
 121     TRACE("(%p)\n", iface);
 122     return 2;
 123 }
 124
 125 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 126 {
 127     TRACE("(%p)\n", iface);
 128     return 1;
 129 }
 130
 131 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 132 {
 133     TRACE("(%p)->(%x)\n", iface, fLock);
 134     return S_OK;
 135 }
 136
 137 static const IClassFactoryVtbl WshShellFactoryVtbl = {
 138     ClassFactory_QueryInterface,
 139     ClassFactory_AddRef,
 140     ClassFactory_Release,
 141     WshShellFactory_CreateInstance,
 142     ClassFactory_LockServer
 143 };
 144
 145 static IClassFactory WshShellFactory = { &WshShellFactoryVtbl };
 146
 147 /******************************************************************
 148  *              DllMain (wshom.ocx.@)
 149  */
 150 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 151 {
 152     TRACE("(%p %d %p)\n", hInstDLL, fdwReason, lpv);
 153
 154     switch(fdwReason)
 155     {
 156     case DLL_WINE_PREATTACH:
 157         return FALSE;  /* prefer native version */
 158     case DLL_PROCESS_ATTACH:
 159         wshom_instance = hInstDLL;
 160         DisableThreadLibraryCalls(wshom_instance);
 161         break;
 162     case DLL_PROCESS_DETACH:
 163         release_typelib();
 164         break;
 165     }
 166
 167     return TRUE;
 168 }
 169
 170 /***********************************************************************
 171  *              DllGetClassObject       (wshom.ocx.@)
 172  */
 173 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 174 {
 175     if(IsEqualGUID(&CLSID_WshShell, rclsid)) {
 176         TRACE("(CLSID_WshShell %s %p)\n", debugstr_guid(riid), ppv);
 177         return IClassFactory_QueryInterface(&WshShellFactory, riid, ppv);
 178     }
 179
 180     FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 181     return CLASS_E_CLASSNOTAVAILABLE;
 182 }
 183
 184 /***********************************************************************
 185  *          DllCanUnloadNow (wshom.ocx.@)
 186  */
 187 HRESULT WINAPI DllCanUnloadNow(void)
 188 {
 189     return S_FALSE;
 190 }
 191
 192 /***********************************************************************
 193  *          DllRegisterServer (wshom.ocx.@)
 194  */
 195 HRESULT WINAPI DllRegisterServer(void)
 196 {
 197     TRACE("()\n");
 198     return __wine_register_resources(wshom_instance);
 199 }
 200
 201 /***********************************************************************
 202  *          DllUnregisterServer (wshom.ocx.@)
 203  */
 204 HRESULT WINAPI DllUnregisterServer(void)
 205 {
 206     TRACE("()\n");
 207     return __wine_unregister_resources(wshom_instance);
 208 }