dlls/scrrun/scrrun.c

   1 /*
   2  * Copyright 2011 Hans Leidekker 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 #define COBJMACROS
  19
  20 #include <stdarg.h>
  21
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "ole2.h"
  25 #include "olectl.h"
  26 #include "rpcproxy.h"
  27
  28 #include <initguid.h>
  29 #include "scrrun.h"
  30 #include "scrrun_private.h"
  31
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(scrrun);
  35
  36 static inline struct provideclassinfo *impl_from_IProvideClassInfo(IProvideClassInfo *iface)
  37 {
  38     return CONTAINING_RECORD(iface, struct provideclassinfo, IProvideClassInfo_iface);
  39 }
  40
  41 typedef HRESULT (*fnCreateInstance)(LPVOID *ppObj);
  42
  43 static HRESULT WINAPI scrruncf_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppv )
  44 {
  45     *ppv = NULL;
  46
  47     if(IsEqualGUID(&IID_IUnknown, riid)) {
  48         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  49         *ppv = iface;
  50     }else if(IsEqualGUID(&IID_IClassFactory, riid)) {
  51         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  52         *ppv = iface;
  53     }
  54
  55     if(*ppv) {
  56         IUnknown_AddRef((IUnknown*)*ppv);
  57         return S_OK;
  58     }
  59
  60     WARN("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  61     return E_NOINTERFACE;
  62 }
  63
  64 static ULONG WINAPI scrruncf_AddRef(IClassFactory *iface )
  65 {
  66     TRACE("(%p)\n", iface);
  67     return 2;
  68 }
  69
  70 static ULONG WINAPI scrruncf_Release(IClassFactory *iface )
  71 {
  72     TRACE("(%p)\n", iface);
  73     return 1;
  74 }
  75
  76 static HRESULT WINAPI scrruncf_LockServer(IClassFactory *iface, BOOL fLock)
  77 {
  78     TRACE("(%p)->(%x)\n", iface, fLock);
  79     return S_OK;
  80 }
  81
  82 static const struct IClassFactoryVtbl scrruncf_vtbl =
  83 {
  84     scrruncf_QueryInterface,
  85     scrruncf_AddRef,
  86     scrruncf_Release,
  87     FileSystem_CreateInstance,
  88     scrruncf_LockServer
  89 };
  90
  91 static const struct IClassFactoryVtbl dictcf_vtbl =
  92 {
  93     scrruncf_QueryInterface,
  94     scrruncf_AddRef,
  95     scrruncf_Release,
  96     Dictionary_CreateInstance,
  97     scrruncf_LockServer
  98 };
  99
 100 static IClassFactory FileSystemFactory = { &scrruncf_vtbl };
 101 static IClassFactory DictionaryFactory = { &dictcf_vtbl };
 102
 103 static ITypeLib *typelib;
 104 static ITypeInfo *typeinfos[LAST_tid];
 105
 106 static REFIID tid_ids[] = {
 107     &IID_NULL,
 108     &IID_IDictionary,
 109     &IID_IDrive,
 110     &IID_IDriveCollection,
 111     &IID_IFile,
 112     &IID_IFileCollection,
 113     &IID_IFileSystem3,
 114     &IID_IFolder,
 115     &IID_IFolderCollection,
 116     &IID_ITextStream
 117 };
 118
 119 static HRESULT load_typelib(void)
 120 {
 121     HRESULT hres;
 122     ITypeLib *tl;
 123
 124     if(typelib)
 125         return S_OK;
 126
 127     hres = LoadRegTypeLib(&LIBID_Scripting, 1, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 128     if(FAILED(hres)) {
 129         ERR("LoadRegTypeLib failed: %08x\n", hres);
 130         return hres;
 131     }
 132
 133     if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 134         ITypeLib_Release(tl);
 135     return hres;
 136 }
 137
 138 static HRESULT get_typeinfo_of_guid(const GUID *guid, ITypeInfo **tinfo)
 139 {
 140     HRESULT hres;
 141
 142     if(FAILED(hres = load_typelib()))
 143         return hres;
 144
 145     return ITypeLib_GetTypeInfoOfGuid(typelib, guid, tinfo);
 146 }
 147
 148 HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 149 {
 150     HRESULT hres;
 151
 152     if (FAILED(hres = load_typelib()))
 153         return hres;
 154
 155     if(!typeinfos[tid]) {
 156         ITypeInfo *ti;
 157
 158         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
 159         if(FAILED(hres)) {
 160             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 161             return hres;
 162         }
 163
 164         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
 165             ITypeInfo_Release(ti);
 166     }
 167
 168     *typeinfo = typeinfos[tid];
 169     ITypeInfo_AddRef(typeinfos[tid]);
 170     return S_OK;
 171 }
 172
 173 static void release_typelib(void)
 174 {
 175     unsigned i;
 176
 177     if(!typelib)
 178         return;
 179
 180     for (i = 0; i < ARRAY_SIZE(typeinfos); i++)
 181         if(typeinfos[i])
 182             ITypeInfo_Release(typeinfos[i]);
 183
 184     ITypeLib_Release(typelib);
 185 }
 186
 187 static HRESULT WINAPI provideclassinfo_QueryInterface(IProvideClassInfo *iface, REFIID riid, void **obj)
 188 {
 189     struct provideclassinfo *This = impl_from_IProvideClassInfo(iface);
 190
 191     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
 192
 193     if (IsEqualIID(riid, &IID_IProvideClassInfo)) {
 194         *obj = iface;
 195         IProvideClassInfo_AddRef(iface);
 196         return S_OK;
 197     }
 198     else
 199         return IUnknown_QueryInterface(This->outer, riid, obj);
 200 }
 201
 202 static ULONG WINAPI provideclassinfo_AddRef(IProvideClassInfo *iface)
 203 {
 204     struct provideclassinfo *This = impl_from_IProvideClassInfo(iface);
 205     return IUnknown_AddRef(This->outer);
 206 }
 207
 208 static ULONG WINAPI provideclassinfo_Release(IProvideClassInfo *iface)
 209 {
 210     struct provideclassinfo *This = impl_from_IProvideClassInfo(iface);
 211     return IUnknown_Release(This->outer);
 212 }
 213
 214 static HRESULT WINAPI provideclassinfo_GetClassInfo(IProvideClassInfo *iface, ITypeInfo **ti)
 215 {
 216     struct provideclassinfo *This = impl_from_IProvideClassInfo(iface);
 217
 218     TRACE("(%p)->(%p)\n", This, ti);
 219
 220     return get_typeinfo_of_guid(This->guid, ti);
 221 }
 222
 223 static const IProvideClassInfoVtbl provideclassinfovtbl = {
 224     provideclassinfo_QueryInterface,
 225     provideclassinfo_AddRef,
 226     provideclassinfo_Release,
 227     provideclassinfo_GetClassInfo
 228 };
 229
 230 void init_classinfo(const GUID *guid, IUnknown *outer, struct provideclassinfo *classinfo)
 231 {
 232     classinfo->IProvideClassInfo_iface.lpVtbl = &provideclassinfovtbl;
 233     classinfo->outer = outer;
 234     classinfo->guid = guid;
 235 }
 236
 237 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 238 {
 239     TRACE("%p, %u, %p\n", hinst, reason, reserved);
 240
 241     switch (reason)
 242     {
 243         case DLL_PROCESS_ATTACH:
 244             DisableThreadLibraryCalls( hinst );
 245             break;
 246         case DLL_PROCESS_DETACH:
 247             if (reserved) break;
 248             release_typelib();
 249             break;
 250     }
 251     return TRUE;
 252 }
 253
 254 /***********************************************************************
 255  *      DllGetClassObject (scrrun.@)
 256  */
 257
 258 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
 259 {
 260     if(IsEqualGUID(&CLSID_FileSystemObject, rclsid)) {
 261         TRACE("(CLSID_FileSystemObject %s %p)\n", debugstr_guid(riid), ppv);
 262         return IClassFactory_QueryInterface(&FileSystemFactory, riid, ppv);
 263     }
 264     else if(IsEqualGUID(&CLSID_Dictionary, rclsid)) {
 265         TRACE("(CLSID_Dictionary %s %p)\n", debugstr_guid(riid), ppv);
 266         return IClassFactory_QueryInterface(&DictionaryFactory, riid, ppv);
 267     }
 268
 269     FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 270     return CLASS_E_CLASSNOTAVAILABLE;
 271 }