dlls/mshtml/main.c

   1 /*
   2  *    MSHTML Class Factory
   3  *
   4  * Copyright 2002 Lionel Ulmer
   5  * Copyright 2003 Mike McCormack
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "winnls.h"
  31 #include "winreg.h"
  32 #include "ole2.h"
  33
  34 #include "mshtml.h"
  35
  36 #include "wine/unicode.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  40
  41 #include "initguid.h"
  42
  43 DEFINE_GUID( CLSID_MozillaBrowser, 0x1339B54C,0x3453,0x11D2,0x93,0xB9,0x00,0x00,0x00,0x00,0x00,0x00);
  44
  45 typedef HRESULT (WINAPI *fnGetClassObject)(REFCLSID rclsid, REFIID iid, LPVOID *ppv);
  46 typedef BOOL (WINAPI *fnCanUnloadNow)();
  47
  48 HMODULE hMozCtl;
  49
  50
  51 /* convert a guid to a wide character string */
  52 static void MSHTML_guid2wstr( const GUID *guid, LPWSTR wstr )
  53 {
  54     char str[40];
  55
  56     sprintf(str, "{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
  57            guid->Data1, guid->Data2, guid->Data3,
  58            guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
  59            guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7] );
  60     MultiByteToWideChar( CP_ACP, 0, str, -1, wstr, 40 );
  61 }
  62
  63 static BOOL MSHTML_GetMozctlPath( LPWSTR szPath, DWORD sz )
  64 {
  65     DWORD r, type;
  66     BOOL ret = FALSE;
  67     HKEY hkey;
  68     static const WCHAR szPre[] = {
  69         'S','o','f','t','w','a','r','e','\\',
  70         'C','l','a','s','s','e','s','\\',
  71         'C','L','S','I','D','\\',0 };
  72     static const WCHAR szPost[] = {
  73         '\\','I','n','p','r','o','c','S','e','r','v','e','r','3','2',0 };
  74     WCHAR szRegPath[(sizeof(szPre)+sizeof(szPost))/sizeof(WCHAR)+40];
  75
  76     strcpyW( szRegPath, szPre );
  77     MSHTML_guid2wstr( &CLSID_MozillaBrowser, &szRegPath[strlenW(szRegPath)] );
  78     strcatW( szRegPath, szPost );
  79
  80     TRACE("key = %s\n", debugstr_w( szRegPath ) );
  81
  82     r = RegOpenKeyW( HKEY_LOCAL_MACHINE, szRegPath, &hkey );
  83     if( r != ERROR_SUCCESS )
  84         return FALSE;
  85
  86     r = RegQueryValueExW( hkey, NULL, NULL, &type, (LPBYTE)szPath, &sz );
  87     ret = ( r == ERROR_SUCCESS ) && ( type == REG_SZ );
  88     RegCloseKey( hkey );
  89
  90     return ret;
  91 }
  92
  93 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  94 {
  95     WCHAR szPath[MAX_PATH];
  96
  97     switch(fdwReason) {
  98         case DLL_PROCESS_ATTACH:
  99             if( !MSHTML_GetMozctlPath( szPath, sizeof szPath ) )
 100             {
 101                 MESSAGE("You need to install the Mozilla ActiveX control to\n");
 102                 MESSAGE("use Wine's builtin MSHTML dll.\n");
 103                 return FALSE;
 104             }
 105             hMozCtl = LoadLibraryExW(szPath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
 106             if( !hMozCtl )
 107             {
 108                 ERR("Can't load the Mozilla ActiveX control\n");
 109                 return FALSE;
 110             }
 111             break;
 112         case DLL_PROCESS_DETACH:
 113             FreeLibrary( hMozCtl );
 114             break;
 115     }
 116     return TRUE;
 117 }
 118
 119 HRESULT WINAPI MSHTML_DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
 120 {
 121     HRESULT r;
 122     fnGetClassObject pGetClassObject;
 123
 124     TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv );
 125
 126     if( !IsEqualGUID( &CLSID_HTMLDocument, rclsid ) )
 127         WARN("Unknown class %s\n", debugstr_guid(rclsid) );
 128
 129     pGetClassObject = (fnGetClassObject) GetProcAddress( hMozCtl, "DllGetClassObject" );
 130     if( !pGetClassObject )
 131         return CLASS_E_CLASSNOTAVAILABLE;
 132     r = pGetClassObject( &CLSID_MozillaBrowser, iid, ppv );
 133
 134     TRACE("r = %08lx  *ppv = %p\n", r, *ppv );
 135
 136     return S_OK;
 137 }
 138
 139 BOOL WINAPI MSHTML_DllCanUnloadNow(void)
 140 {
 141     fnCanUnloadNow pCanUnloadNow;
 142     BOOL r;
 143
 144     TRACE("\n");
 145
 146     pCanUnloadNow = (fnCanUnloadNow) GetProcAddress( hMozCtl, "DllCanUnloadNow" );
 147     if( !pCanUnloadNow )
 148         return FALSE;
 149     r = pCanUnloadNow();
 150
 151     TRACE("r = %d\n", r);
 152
 153     return r;
 154 }
 155
 156 /* appears to have the same prototype as WinMain */
 157 INT WINAPI RunHTMLApplication( HINSTANCE hinst, HINSTANCE hPrevInst,
 158                                LPCSTR szCmdLine, INT nCmdShow )
 159 {
 160     FIXME("%p %p %s %d\n", hinst, hPrevInst, debugstr_a(szCmdLine), nCmdShow );
 161     return 0;
 162 }
 163
 164 /***********************************************************************
 165  *          DllInstall (MSHTML.@)
 166  */
 167 HRESULT WINAPI MSHTML_DllInstall(BOOL bInstall, LPCWSTR cmdline)
 168 {
 169     FIXME("stub %d %s: returning S_OK\n", bInstall, debugstr_w(cmdline));
 170     return S_OK;
 171 }
 172
 173 /***********************************************************************
 174  *          DllRegisterServer (MSHTML.@)
 175  */
 176 HRESULT WINAPI MSHTML_DllRegisterServer(void)
 177 {
 178     FIXME("stub: returning S_OK\n");
 179     return S_OK;
 180 }