dlls/shdocvw/factory.c

   1 /*
   2  * Implementation of class factory for IE Web Browser
   3  *
   4  * Copyright 2001 John R. Sheets (for CodeWeavers)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <string.h>
  22 #include <stdio.h>
  23
  24 #include "shdocvw.h"
  25 #include "winreg.h"
  26 #include "advpub.h"
  27 #include "isguids.h"
  28
  29 #include "winver.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
  34
  35 /**********************************************************************
  36  * Implement the WebBrowser class factory
  37  *
  38  * (Based on implementation in ddraw/main.c)
  39  */
  40
  41 #define FACTORY(x) ((IClassFactory*) &(x)->lpClassFactoryVtbl)
  42
  43 typedef struct
  44 {
  45     /* IUnknown fields */
  46     const IClassFactoryVtbl *lpClassFactoryVtbl;
  47     HRESULT (*cf)(LPUNKNOWN, REFIID, LPVOID *);
  48     LONG ref;
  49 } IClassFactoryImpl;
  50
  51
  52 /**********************************************************************
  53  * WBCF_QueryInterface (IUnknown)
  54  */
  55 static HRESULT WINAPI WBCF_QueryInterface(LPCLASSFACTORY iface,
  56                                           REFIID riid, LPVOID *ppobj)
  57 {
  58     TRACE("(%s %p)\n", debugstr_guid(riid), ppobj);
  59
  60     if (!ppobj)
  61         return E_POINTER;
  62
  63     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid)) {
  64         *ppobj = iface;
  65         IClassFactory_AddRef(iface);
  66         return S_OK;
  67     }
  68
  69     WARN("Not supported interface %s\n", debugstr_guid(riid));
  70
  71     *ppobj = NULL;
  72     return E_NOINTERFACE;
  73 }
  74
  75 /************************************************************************
  76  * WBCF_AddRef (IUnknown)
  77  */
  78 static ULONG WINAPI WBCF_AddRef(LPCLASSFACTORY iface)
  79 {
  80     SHDOCVW_LockModule();
  81
  82     return 2; /* non-heap based object */
  83 }
  84
  85 /************************************************************************
  86  * WBCF_Release (IUnknown)
  87  */
  88 static ULONG WINAPI WBCF_Release(LPCLASSFACTORY iface)
  89 {
  90     SHDOCVW_UnlockModule();
  91
  92     return 1; /* non-heap based object */
  93 }
  94
  95 /************************************************************************
  96  * WBCF_CreateInstance (IClassFactory)
  97  */
  98 static HRESULT WINAPI WBCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
  99                                           REFIID riid, LPVOID *ppobj)
 100 {
 101     IClassFactoryImpl *This = (IClassFactoryImpl *) iface;
 102     return This->cf(pOuter, riid, ppobj);
 103 }
 104
 105 /************************************************************************
 106  * WBCF_LockServer (IClassFactory)
 107  */
 108 static HRESULT WINAPI WBCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
 109 {
 110     TRACE("(%d)\n", dolock);
 111
 112     if (dolock)
 113         SHDOCVW_LockModule();
 114     else
 115         SHDOCVW_UnlockModule();
 116
 117     return S_OK;
 118 }
 119
 120 static const IClassFactoryVtbl WBCF_Vtbl =
 121 {
 122     WBCF_QueryInterface,
 123     WBCF_AddRef,
 124     WBCF_Release,
 125     WBCF_CreateInstance,
 126     WBCF_LockServer
 127 };
 128
 129 /*************************************************************************
 130  *              DllGetClassObject (SHDOCVW.@)
 131  */
 132 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 133 {
 134     static IClassFactoryImpl WB1ClassFactory = {&WBCF_Vtbl, WebBrowserV1_Create};
 135     static IClassFactoryImpl WB2ClassFactory = {&WBCF_Vtbl, WebBrowserV2_Create};
 136     static IClassFactoryImpl CUHClassFactory = {&WBCF_Vtbl, CUrlHistory_Create};
 137     static IClassFactoryImpl ISCClassFactory = {&WBCF_Vtbl, InternetShortcut_Create};
 138
 139     TRACE("\n");
 140
 141     if(IsEqualGUID(&CLSID_WebBrowser, rclsid))
 142         return IClassFactory_QueryInterface(FACTORY(&WB2ClassFactory), riid, ppv);
 143
 144     if(IsEqualGUID(&CLSID_WebBrowser_V1, rclsid))
 145         return IClassFactory_QueryInterface(FACTORY(&WB1ClassFactory), riid, ppv);
 146
 147     if(IsEqualGUID(&CLSID_CUrlHistory, rclsid))
 148         return IClassFactory_QueryInterface(FACTORY(&CUHClassFactory), riid, ppv);
 149
 150     if(IsEqualGUID(&CLSID_InternetShortcut, rclsid))
 151         return IClassFactory_QueryInterface(FACTORY(&ISCClassFactory), riid, ppv);
 152
 153     /* As a last resort, figure if the CLSID belongs to a 'Shell Instance Object' */
 154     return SHDOCVW_GetShellInstanceObjectClassObject(rclsid, riid, ppv);
 155 }
 156
 157 HRESULT register_class_object(BOOL do_reg)
 158 {
 159     HRESULT hres;
 160
 161     static DWORD cookie;
 162     static IClassFactoryImpl IEClassFactory = {&WBCF_Vtbl, InternetExplorer_Create};
 163
 164     if(do_reg) {
 165         hres = CoRegisterClassObject(&CLSID_InternetExplorer, (IUnknown*)FACTORY(&IEClassFactory),
 166                                      CLSCTX_SERVER, REGCLS_MULTIPLEUSE|REGCLS_SUSPENDED, &cookie);
 167         if (FAILED(hres)) {
 168             ERR("failed to register object %08x\n", hres);
 169             return hres;
 170         }
 171
 172         hres = CoResumeClassObjects();
 173         if(SUCCEEDED(hres))
 174             return hres;
 175
 176         ERR("failed to resume object %08x\n", hres);
 177     }
 178
 179     return CoRevokeClassObject(cookie);
 180 }
 181
 182 static HRESULT reg_install(LPCSTR section, STRTABLEA *strtable)
 183 {
 184     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
 185     HMODULE hadvpack;
 186     HRESULT hres;
 187
 188     static const WCHAR advpackW[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
 189
 190     hadvpack = LoadLibraryW(advpackW);
 191     pRegInstall = (void *)GetProcAddress(hadvpack, "RegInstall");
 192
 193     hres = pRegInstall(shdocvw_hinstance, section, strtable);
 194
 195     FreeLibrary(hadvpack);
 196     return hres;
 197 }
 198
 199 static const GUID CLSID_MicrosoftBrowserArchitecture =
 200     {0xa5e46e3a, 0x8849, 0x11d1, {0x9d, 0x8c, 0x00, 0xc0, 0x4f, 0xc9, 0x9d, 0x61}};
 201 static const GUID CLSID_MruLongList =
 202     {0x53bd6b4e, 0x3780, 0x4693, {0xaf, 0xc3, 0x71, 0x61, 0xc2, 0xf3, 0xee, 0x9c}};
 203
 204 #define INF_SET_CLSID(clsid)                  \
 205     do                                        \
 206     {                                         \
 207         static CHAR name[] = "CLSID_" #clsid; \
 208                                               \
 209         pse[i].pszName = name;                \
 210         clsids[i++] = &CLSID_ ## clsid;       \
 211     } while (0)
 212
 213 static HRESULT register_server(BOOL doregister)
 214 {
 215     STRTABLEA strtable;
 216     STRENTRYA pse[14];
 217     static CLSID const *clsids[14];
 218     int i = 0;
 219     HRESULT hres;
 220
 221     INF_SET_CLSID(CUrlHistory);
 222     INF_SET_CLSID(Internet);
 223     INF_SET_CLSID(InternetExplorer);
 224     INF_SET_CLSID(InternetShortcut);
 225     INF_SET_CLSID(MicrosoftBrowserArchitecture);
 226     INF_SET_CLSID(MruLongList);
 227     INF_SET_CLSID(SearchAssistantOC);
 228     INF_SET_CLSID(ShellNameSpace);
 229     INF_SET_CLSID(ShellSearchAssistantOC);
 230     INF_SET_CLSID(ShellShellNameSpace);
 231     INF_SET_CLSID(ShellUIHelper);
 232     INF_SET_CLSID(ShellWindows);
 233     INF_SET_CLSID(WebBrowser);
 234     INF_SET_CLSID(WebBrowser_V1);
 235
 236     for(i = 0; i < sizeof(pse)/sizeof(pse[0]); i++) {
 237         pse[i].pszValue = HeapAlloc(GetProcessHeap(), 0, 39);
 238         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
 239                 clsids[i]->Data1, clsids[i]->Data2, clsids[i]->Data3, clsids[i]->Data4[0],
 240                 clsids[i]->Data4[1], clsids[i]->Data4[2], clsids[i]->Data4[3], clsids[i]->Data4[4],
 241                 clsids[i]->Data4[5], clsids[i]->Data4[6], clsids[i]->Data4[7]);
 242     }
 243
 244     strtable.cEntries = sizeof(pse)/sizeof(pse[0]);
 245     strtable.pse = pse;
 246
 247     hres = reg_install(doregister ? "RegisterDll" : "UnregisterDll", &strtable);
 248
 249     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++)
 250         HeapFree(GetProcessHeap(), 0, pse[i].pszValue);
 251
 252     return hres;
 253 }
 254
 255 #undef INF_SET_CLSID
 256
 257 /***********************************************************************
 258  *          DllRegisterServer (shdocvw.@)
 259  */
 260 HRESULT WINAPI DllRegisterServer(void)
 261 {
 262     ITypeLib *typelib;
 263     HRESULT hres;
 264
 265     static const WCHAR shdocvwW[] = {'s','h','d','o','c','v','w','.','d','l','l',0};
 266
 267     hres = register_server(TRUE);
 268     if(FAILED(hres))
 269         return hres;
 270
 271     hres = LoadTypeLibEx(shdocvwW, REGKIND_REGISTER, &typelib);
 272     if(FAILED(hres)) {
 273         ERR("Could not load typelib: %08x\n", hres);
 274         return hres;
 275     }
 276
 277     ITypeLib_Release(typelib);
 278
 279     return hres;
 280 }
 281
 282 /***********************************************************************
 283  *          DllUnregisterServer (shdocvw.@)
 284  */
 285 HRESULT WINAPI DllUnregisterServer(void)
 286 {
 287     HRESULT hres;
 288
 289     hres = register_server(FALSE);
 290     if(FAILED(hres))
 291         return hres;
 292
 293     return UnRegisterTypeLib(&LIBID_SHDocVw, 1, 1, LOCALE_SYSTEM_DEFAULT, SYS_WIN32);
 294 }
 295
 296 static BOOL check_native_ie(void)
 297 {
 298     static const WCHAR cszPath[] = {'b','r','o','w','s','e','u','i','.','d','l','l',0};
 299     DWORD handle,size;
 300     BOOL ret = TRUE;
 301
 302     size = GetFileVersionInfoSizeW(cszPath,&handle);
 303     if (size)
 304     {
 305         LPVOID buf;
 306         LPWSTR lpFileDescription;
 307         UINT dwBytes;
 308         static const WCHAR cszFD[] = {'\\','S','t','r','i','n','g','F','i','l','e','I','n','f','o','\\','0','4','0','9','0','4','e','4','\\','F','i','l','e','D','e','s','c','r','i','p','t','i','o','n',0};
 309         static const WCHAR cszWine[] = {'W','i','n','e',0};
 310
 311         buf = HeapAlloc(GetProcessHeap(),0,size);
 312         GetFileVersionInfoW(cszPath,0,size,buf);
 313
 314         if (VerQueryValueW(buf, cszFD, (LPVOID*)&lpFileDescription, &dwBytes) &&
 315             strstrW(lpFileDescription,cszWine))
 316                 ret = FALSE;
 317
 318         HeapFree(GetProcessHeap(), 0, buf);
 319     }
 320
 321     return ret;
 322 }
 323
 324 DWORD register_iexplore(BOOL doregister)
 325 {
 326     HRESULT hres;
 327     if (check_native_ie())
 328     {
 329         TRACE("Native IE detected, not doing registration\n");
 330         return S_OK;
 331     }
 332     hres = reg_install(doregister ? "RegisterIE" : "UnregisterIE", NULL);
 333     return !SUCCEEDED(hres);
 334 }