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
 138     TRACE("\n");
 139
 140     if(IsEqualGUID(&CLSID_WebBrowser, rclsid))
 141         return IClassFactory_QueryInterface(FACTORY(&WB2ClassFactory), riid, ppv);
 142
 143     if(IsEqualGUID(&CLSID_WebBrowser_V1, rclsid))
 144         return IClassFactory_QueryInterface(FACTORY(&WB1ClassFactory), riid, ppv);
 145
 146     if(IsEqualGUID(&CLSID_CUrlHistory, rclsid))
 147         return IClassFactory_QueryInterface(FACTORY(&CUHClassFactory), riid, ppv);
 148
 149     /* As a last resort, figure if the CLSID belongs to a 'Shell Instance Object' */
 150     return SHDOCVW_GetShellInstanceObjectClassObject(rclsid, riid, ppv);
 151 }
 152
 153 HRESULT register_class_object(BOOL do_reg)
 154 {
 155     HRESULT hres;
 156
 157     static DWORD cookie;
 158     static IClassFactoryImpl IEClassFactory = {&WBCF_Vtbl, InternetExplorer_Create};
 159
 160     if(do_reg) {
 161         hres = CoRegisterClassObject(&CLSID_InternetExplorer, (IUnknown*)FACTORY(&IEClassFactory),
 162                                      CLSCTX_SERVER, REGCLS_MULTIPLEUSE|REGCLS_SUSPENDED, &cookie);
 163         if (FAILED(hres)) {
 164             ERR("failed to register object %08x\n", hres);
 165             return hres;
 166         }
 167
 168         hres = CoResumeClassObjects();
 169         if(SUCCEEDED(hres))
 170             return hres;
 171
 172         ERR("failed to resume object %08x\n", hres);
 173     }
 174
 175     return CoRevokeClassObject(cookie);
 176 }
 177
 178 static HRESULT reg_install(LPCSTR section, STRTABLEA *strtable)
 179 {
 180     HRESULT (WINAPI *pRegInstall)(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable);
 181     HMODULE hadvpack;
 182     HRESULT hres;
 183
 184     static const WCHAR advpackW[] = {'a','d','v','p','a','c','k','.','d','l','l',0};
 185
 186     hadvpack = LoadLibraryW(advpackW);
 187     pRegInstall = (void *)GetProcAddress(hadvpack, "RegInstall");
 188
 189     hres = pRegInstall(shdocvw_hinstance, section, strtable);
 190
 191     FreeLibrary(hadvpack);
 192     return hres;
 193 }
 194
 195 static const GUID CLSID_MicrosoftBrowserArchitecture =
 196     {0xa5e46e3a, 0x8849, 0x11d1, {0x9d, 0x8c, 0x00, 0xc0, 0x4f, 0xc9, 0x9d, 0x61}};
 197 static const GUID CLSID_MruLongList =
 198     {0x53bd6b4e, 0x3780, 0x4693, {0xaf, 0xc3, 0x71, 0x61, 0xc2, 0xf3, 0xee, 0x9c}};
 199
 200 #define INF_SET_CLSID(clsid)                  \
 201     do                                        \
 202     {                                         \
 203         static CHAR name[] = "CLSID_" #clsid; \
 204                                               \
 205         pse[i].pszName = name;                \
 206         clsids[i++] = &CLSID_ ## clsid;       \
 207     } while (0)
 208
 209 static HRESULT register_server(BOOL doregister)
 210 {
 211     STRTABLEA strtable;
 212     STRENTRYA pse[14];
 213     static CLSID const *clsids[14];
 214     int i = 0;
 215     HRESULT hres;
 216
 217     INF_SET_CLSID(CUrlHistory);
 218     INF_SET_CLSID(Internet);
 219     INF_SET_CLSID(InternetExplorer);
 220     INF_SET_CLSID(InternetShortcut);
 221     INF_SET_CLSID(MicrosoftBrowserArchitecture);
 222     INF_SET_CLSID(MruLongList);
 223     INF_SET_CLSID(SearchAssistantOC);
 224     INF_SET_CLSID(ShellNameSpace);
 225     INF_SET_CLSID(ShellSearchAssistantOC);
 226     INF_SET_CLSID(ShellShellNameSpace);
 227     INF_SET_CLSID(ShellUIHelper);
 228     INF_SET_CLSID(ShellWindows);
 229     INF_SET_CLSID(WebBrowser);
 230     INF_SET_CLSID(WebBrowser_V1);
 231
 232     for(i = 0; i < sizeof(pse)/sizeof(pse[0]); i++) {
 233         pse[i].pszValue = HeapAlloc(GetProcessHeap(), 0, 39);
 234         sprintf(pse[i].pszValue, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
 235                 clsids[i]->Data1, clsids[i]->Data2, clsids[i]->Data3, clsids[i]->Data4[0],
 236                 clsids[i]->Data4[1], clsids[i]->Data4[2], clsids[i]->Data4[3], clsids[i]->Data4[4],
 237                 clsids[i]->Data4[5], clsids[i]->Data4[6], clsids[i]->Data4[7]);
 238     }
 239
 240     strtable.cEntries = sizeof(pse)/sizeof(pse[0]);
 241     strtable.pse = pse;
 242
 243     hres = reg_install(doregister ? "RegisterDll" : "UnregisterDll", &strtable);
 244
 245     for(i=0; i < sizeof(pse)/sizeof(pse[0]); i++)
 246         HeapFree(GetProcessHeap(), 0, pse[i].pszValue);
 247
 248     return hres;
 249 }
 250
 251 #undef INF_SET_CLSID
 252
 253 /***********************************************************************
 254  *          DllRegisterServer (shdocvw.@)
 255  */
 256 HRESULT WINAPI DllRegisterServer(void)
 257 {
 258     ITypeLib *typelib;
 259     HRESULT hres;
 260
 261     static const WCHAR shdocvwW[] = {'s','h','d','o','c','v','w','.','d','l','l',0};
 262
 263     hres = register_server(TRUE);
 264     if(FAILED(hres))
 265         return hres;
 266
 267     hres = LoadTypeLibEx(shdocvwW, REGKIND_REGISTER, &typelib);
 268     if(FAILED(hres)) {
 269         ERR("Could not load typelib: %08x\n", hres);
 270         return hres;
 271     }
 272
 273     ITypeLib_Release(typelib);
 274
 275     return hres;
 276 }
 277
 278 /***********************************************************************
 279  *          DllUnregisterServer (shdocvw.@)
 280  */
 281 HRESULT WINAPI DllUnregisterServer(void)
 282 {
 283     HRESULT hres;
 284
 285     hres = register_server(FALSE);
 286     if(FAILED(hres))
 287         return hres;
 288
 289     return UnRegisterTypeLib(&LIBID_SHDocVw, 1, 1, LOCALE_SYSTEM_DEFAULT, SYS_WIN32);
 290 }
 291
 292 static BOOL check_native_ie(void)
 293 {
 294     static const WCHAR cszPath[] = {'b','r','o','w','s','e','u','i','.','d','l','l',0};
 295     DWORD handle,size;
 296     BOOL ret = TRUE;
 297
 298     size = GetFileVersionInfoSizeW(cszPath,&handle);
 299     if (size)
 300     {
 301         LPVOID buf;
 302         LPWSTR lpFileDescription;
 303         UINT dwBytes;
 304         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};
 305         static const WCHAR cszWine[] = {'W','i','n','e',0};
 306
 307         buf = HeapAlloc(GetProcessHeap(),0,size);
 308         GetFileVersionInfoW(cszPath,0,size,buf);
 309
 310         if (VerQueryValueW(buf, cszFD, (LPVOID*)&lpFileDescription, &dwBytes) &&
 311             strstrW(lpFileDescription,cszWine))
 312                 ret = FALSE;
 313
 314         HeapFree(GetProcessHeap(), 0, buf);
 315     }
 316
 317     return ret;
 318 }
 319
 320 DWORD register_iexplore(BOOL doregister)
 321 {
 322     HRESULT hres;
 323     if (check_native_ie())
 324     {
 325         TRACE("Native IE detected, not doing registration\n");
 326         return S_OK;
 327     }
 328     hres = reg_install(doregister ? "RegisterIE" : "UnregisterIE", NULL);
 329     return !SUCCEEDED(hres);
 330 }