dlls/mshtml/nsembed.c

   1 /*
   2  * Copyright 2005 Jacek Caban
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "winreg.h"
  29 #include "ole2.h"
  30
  31 #include "wine/debug.h"
  32 #include "wine/unicode.h"
  33
  34 #include "mshtml_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  37
  38 DEFINE_GUID(CLSID_StartupNotifier, 0x1f59b001,0x02c9,0x11d5,0xae,0x76,0xcc,0x92,0xf7,0xdb,0x9e,0x03);
  39 DEFINE_GUID(CLSID_nsWebBrowser, 0xf1eac761,0x87e9,0x11d3,0xaf,0x80,0x00,0xa0,0x24,0xff,0xc0,0x8c);
  40
  41 #define NS_APPSTARTUPNOTIFIER_CONTRACTID "@mozilla.org/embedcomp/appstartup-notifier;1"
  42 #define NS_WEBBROWSER_CONTRACTID "@mozilla.org/embedding/browser/nsWebBrowser;1"
  43 #define NS_IOSERVICE_CONTRACTID "@mozilla.org/network/io-service;1"
  44
  45 #define APPSTARTUP_TOPIC "app-startup"
  46
  47 #define PR_UINT32_MAX 0xffffffff
  48
  49 typedef struct nsACString {
  50     void *d1;
  51     PRUint32 d2;
  52     void *d3;
  53 } nsString;
  54
  55 static nsresult (*NS_InitXPCOM2)(nsIServiceManager**,void*,void*);
  56 static nsresult (*NS_ShutdownXPCOM)(nsIServiceManager*);
  57 static nsresult (*NS_StringContainerInit)(nsString*);
  58 static nsresult (*NS_CStringContainerInit)(nsACString*);
  59 static nsresult (*NS_StringContainerFinish)(nsString*);
  60 static nsresult (*NS_CStringContainerFinish)(nsACString*);
  61 static nsresult (*NS_StringSetData)(nsString*,const PRUnichar*,PRUint32);
  62 static nsresult (*NS_CStringSetData)(nsString*,const char*,PRUint32);
  63 static nsresult (*NS_NewLocalFile)(const nsString*,PRBool,nsIFile**);
  64
  65 static HINSTANCE hXPCOM = NULL;
  66
  67 static nsIServiceManager *pServMgr = NULL;
  68 static nsIComponentManager *pCompMgr = NULL;
  69 static nsIIOService *pIOService = NULL;
  70
  71 static const WCHAR wszNsContainer[] = {'N','s','C','o','n','t','a','i','n','e','r',0};
  72
  73 static ATOM nscontainer_class;
  74
  75 static LRESULT WINAPI nsembed_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  76 {
  77     HTMLDocument *This;
  78     nsresult nsres;
  79
  80     static const WCHAR wszTHIS[] = {'T','H','I','S',0};
  81
  82     if(msg == WM_CREATE) {
  83         This = *(HTMLDocument**)lParam;
  84         SetPropW(hwnd, wszTHIS, This);
  85     }else {
  86         This = (HTMLDocument*)GetPropW(hwnd, wszTHIS);
  87     }
  88
  89     switch(msg) {
  90         case WM_SIZE:
  91             TRACE("(%p)->(WM_SIZE)\n", This);
  92
  93             nsres = nsIBaseWindow_SetSize(This->nscontainer->window,
  94                     LOWORD(lParam), HIWORD(lParam), TRUE);
  95             if(NS_FAILED(nsres))
  96                 WARN("SetSize failed: %08lx\n", nsres);
  97     }
  98
  99     return DefWindowProcW(hwnd, msg, wParam, lParam);
 100 }
 101
 102
 103 static void register_nscontainer_class(void)
 104 {
 105     static WNDCLASSEXW wndclass = {
 106         sizeof(WNDCLASSEXW),
 107         CS_DBLCLKS,
 108         nsembed_proc,
 109         0, 0, NULL, NULL, NULL, NULL, NULL,
 110         wszNsContainer,
 111         NULL,
 112     };
 113     wndclass.hInstance = hInst;
 114     nscontainer_class = RegisterClassExW(&wndclass);
 115 }
 116
 117 static BOOL get_mozilla_path(PRUnichar *gre_path)
 118 {
 119     DWORD res, type, i, size = MAX_PATH;
 120     HKEY mozilla_key, hkey;
 121     WCHAR key_name[100];
 122     BOOL ret = FALSE;
 123
 124     static const WCHAR wszGreKey[] =
 125         {'S','o','f','t','w','a','r','e','\\',
 126             'm','o','z','i','l','l','a','.','o','r','g','\\',
 127                 'G','R','E',0};
 128
 129     static const WCHAR wszGreHome[] = {'G','r','e','H','o','m','e',0};
 130
 131     res = RegOpenKeyW(HKEY_LOCAL_MACHINE, wszGreKey, &mozilla_key);
 132     if(res != ERROR_SUCCESS) {
 133         TRACE("Could not open key %s\n", debugstr_w(wszGreKey));
 134         return FALSE;
 135     }
 136
 137     for(i=0; !ret && RegEnumKeyW(mozilla_key, i, key_name, sizeof(key_name)/sizeof(WCHAR)) == ERROR_SUCCESS; i++) {
 138         RegOpenKeyW(mozilla_key, key_name, &hkey);
 139         res = RegQueryValueExW(hkey, wszGreHome, NULL, &type, (LPBYTE)gre_path, &size);
 140         if(res == ERROR_SUCCESS)
 141             ret = TRUE;
 142         RegCloseKey(hkey);
 143     }
 144
 145     RegCloseKey(mozilla_key);
 146     return ret;
 147 }
 148
 149 static BOOL get_mozctl_path(PRUnichar *gre_path)
 150 {
 151     HKEY hkey;
 152     DWORD res, type, size = MAX_PATH;
 153
 154     static const WCHAR wszMozCtlKey[] =
 155         {'S','o','f','t','w','a','r','e','\\','M','o','z','i','l','l','a',0};
 156     static const WCHAR wszBinDirectoryPath[] =
 157         {'B','i','n','D','i','r','e','c','t','o','r','y','P','a','t','h',0};
 158
 159     res = RegOpenKeyW(HKEY_LOCAL_MACHINE, wszMozCtlKey, &hkey);
 160     if(res != ERROR_SUCCESS) {
 161         TRACE("Could not open key %s\n", debugstr_w(wszMozCtlKey));
 162         return FALSE;
 163     }
 164
 165     res = RegQueryValueExW(hkey, wszBinDirectoryPath, NULL, &type, (LPBYTE)gre_path, &size);
 166     if(res != ERROR_SUCCESS) {
 167         ERR("Could not get value %s\n", debugstr_w(wszBinDirectoryPath));
 168         return FALSE;
 169     }
 170
 171     return TRUE;
 172 }
 173
 174 static BOOL load_gecko()
 175 {
 176     nsresult nsres;
 177     nsIObserver *pStartNotif;
 178     nsString path;
 179     nsIFile *gre_dir;
 180     PRUnichar gre_path[MAX_PATH];
 181
 182     static BOOL tried_load = FALSE;
 183     static const WCHAR strXPCOM[] = {'x','p','c','o','m','.','d','l','l',0};
 184
 185     TRACE("()\n");
 186
 187     if(tried_load)
 188         return pCompMgr != NULL;
 189     tried_load = TRUE;
 190
 191     if(!get_mozctl_path(gre_path) && !get_mozilla_path(gre_path)) {
 192         MESSAGE("Could not load Mozilla. HTML rendering will be disabled.\n");
 193         return FALSE;
 194     }
 195
 196     TRACE("found path %s\n", debugstr_w(gre_path));
 197
 198     hXPCOM = LoadLibraryW(strXPCOM);
 199     if(!hXPCOM) {
 200         /* We have to modify PATH as XPCOM loads other DLLs from this directory. */
 201         WCHAR path_env[MAX_PATH];
 202         static WCHAR wszPATH[] = {'P','A','T','H',0};
 203         int len;
 204
 205         GetEnvironmentVariableW(wszPATH, path_env, sizeof(path_env)/sizeof(WCHAR));
 206         len = strlenW(path_env);
 207         path_env[len++] = ';';
 208         strcpyW(path_env+len, gre_path);
 209         SetEnvironmentVariableW(wszPATH, path_env);
 210
 211         hXPCOM = LoadLibraryW(strXPCOM);
 212         if(!hXPCOM) {
 213             ERR("Could not load XPCOM: %ld\n", GetLastError());
 214             return FALSE;
 215         }
 216     }
 217
 218 #define NS_DLSYM(func) \
 219     func = (typeof(func))GetProcAddress(hXPCOM, #func); \
 220     if(!func) \
 221         ERR("Could not GetProcAddress(" #func ") failed\n")
 222
 223     NS_DLSYM(NS_InitXPCOM2);
 224     NS_DLSYM(NS_ShutdownXPCOM);
 225     NS_DLSYM(NS_StringContainerInit);
 226     NS_DLSYM(NS_CStringContainerInit);
 227     NS_DLSYM(NS_StringContainerFinish);
 228     NS_DLSYM(NS_CStringContainerFinish);
 229     NS_DLSYM(NS_StringSetData);
 230     NS_DLSYM(NS_CStringSetData);
 231     NS_DLSYM(NS_NewLocalFile);
 232
 233 #undef NS_DLSYM
 234
 235     NS_StringContainerInit(&path);
 236     NS_StringSetData(&path, gre_path, PR_UINT32_MAX);
 237     nsres = NS_NewLocalFile(&path, FALSE, &gre_dir);
 238     NS_StringContainerFinish(&path);
 239     if(NS_FAILED(nsres)) {
 240         ERR("NS_NewLocalFile failed: %08lx\n", nsres);
 241         FreeLibrary(hXPCOM);
 242         return FALSE;
 243     }
 244
 245     nsres = NS_InitXPCOM2(&pServMgr, gre_dir, NULL);
 246     if(NS_FAILED(nsres)) {
 247         ERR("NS_InitXPCOM2 failed: %08lx\n", nsres);
 248         FreeLibrary(hXPCOM);
 249         return FALSE;
 250     }
 251
 252     nsres = nsIServiceManager_QueryInterface(pServMgr, &IID_nsIComponentManager, (void**)&pCompMgr);
 253     if(NS_FAILED(nsres))
 254         ERR("Could not get nsIComponentManager: %08lx\n", nsres);
 255
 256     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr, NS_APPSTARTUPNOTIFIER_CONTRACTID,
 257             NULL, &IID_nsIObserver, (void**)&pStartNotif);
 258     if(NS_SUCCEEDED(nsres)) {
 259         nsres = nsIObserver_Observe(pStartNotif, NULL, APPSTARTUP_TOPIC, NULL);
 260         if(NS_FAILED(nsres))
 261             ERR("Observe failed: %08lx\n", nsres);
 262
 263         nsIObserver_Release(pStartNotif);
 264     }else {
 265         ERR("could not get appstartup-notifier: %08lx\n", nsres);
 266     }
 267
 268     return TRUE;
 269 }
 270
 271 nsACString *nsACString_Create(void)
 272 {
 273     nsACString *ret;
 274     ret = HeapAlloc(GetProcessHeap(), 0, sizeof(nsACString));
 275     NS_CStringContainerInit(ret);
 276     return ret;
 277 }
 278
 279 void nsACString_SetData(nsACString *str, const char *data)
 280 {
 281     NS_CStringSetData(str, data, PR_UINT32_MAX);
 282 }
 283
 284 void nsACString_Destroy(nsACString *str)
 285 {
 286     NS_CStringContainerFinish(str);
 287     HeapFree(GetProcessHeap(), 0, str);
 288 }
 289
 290 void close_gecko()
 291 {
 292     TRACE("()\n");
 293
 294     if(pCompMgr)
 295         nsIComponentManager_Release(pCompMgr);
 296
 297     if(pServMgr)
 298         nsIServiceManager_Release(pServMgr);
 299
 300     if(hXPCOM)
 301         FreeLibrary(hXPCOM);
 302 }
 303
 304 nsIURI *get_nsIURI(LPCWSTR url)
 305 {
 306     nsIURI *ret;
 307     nsACString *acstr;
 308     nsresult nsres;
 309     char *urla;
 310     int len;
 311
 312     if(!pIOService) {
 313         nsres = nsIServiceManager_GetServiceByContactID(pServMgr, NS_IOSERVICE_CONTRACTID,
 314                 &IID_nsIIOService, (void**)&pIOService);
 315         if(NS_FAILED(nsres))
 316             ERR("Failed to create nsIOService: %08lx\n", nsres);
 317     }
 318
 319     len = WideCharToMultiByte(CP_ACP, 0, url, -1, NULL, -1, NULL, NULL);
 320     urla = HeapAlloc(GetProcessHeap(), 0, len);
 321     WideCharToMultiByte(CP_ACP, 0, url, -1, urla, -1, NULL, NULL);
 322
 323     acstr = nsACString_Create();
 324     nsACString_SetData(acstr, urla);
 325
 326     nsres = nsIIOService_NewURI(pIOService, acstr, NULL, NULL, &ret);
 327     if(NS_FAILED(nsres))
 328         FIXME("NewURI failed: %08lx\n", nsres);
 329
 330     nsACString_Destroy(acstr);
 331     HeapFree(GetProcessHeap(), 0, urla);
 332
 333     return ret;
 334 }
 335
 336 void HTMLDocument_NSContainer_Init(HTMLDocument *This)
 337 {
 338     nsIWebBrowserSetup *wbsetup;
 339     nsresult nsres;
 340
 341     This->nscontainer = NULL;
 342
 343     if(!load_gecko())
 344         return;
 345
 346     This->nscontainer = HeapAlloc(GetProcessHeap(), 0, sizeof(NSContainer));
 347
 348     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr, NS_WEBBROWSER_CONTRACTID,
 349             NULL, &IID_nsIWebBrowser, (void**)&This->nscontainer->webbrowser);
 350     if(NS_FAILED(nsres))
 351         ERR("Creating WebBrowser failed: %08lx\n", nsres);
 352
 353     nsres = nsIWebBrowser_QueryInterface(This->nscontainer->webbrowser, &IID_nsIBaseWindow,
 354             (void**)&This->nscontainer->window);
 355     if(NS_FAILED(nsres))
 356         ERR("Could not get nsIBaseWindow interface: %08lx\n", nsres);
 357
 358     nsres = nsIWebBrowser_QueryInterface(This->nscontainer->webbrowser,
 359             &IID_nsIWebBrowserSetup, (void**)&wbsetup);
 360     if(NS_SUCCEEDED(nsres)) {
 361         nsres = nsIWebBrowserSetup_SetProperty(wbsetup, SETUP_IS_CHROME_WRAPPER, TRUE);
 362         if(NS_FAILED(nsres))
 363             ERR("SetProperty failed: %08lx\n", nsres);
 364         nsIWebBrowserSetup_Release(wbsetup);
 365     }else {
 366         ERR("Could not get nsIWebBrowserSetup interface\n");
 367     }
 368
 369     nsres = nsIWebBrowser_QueryInterface(This->nscontainer->webbrowser, &IID_nsIWebNavigation,
 370             (void**)&This->nscontainer->navigation);
 371     if(NS_FAILED(nsres))
 372         ERR("Could not get nsIWebNavigation interface: %08lx\n", nsres);
 373
 374     nsres = nsIWebBrowserStream_QueryInterface(This->nscontainer->webbrowser, &IID_nsIWebBrowserStream,
 375             (void**)&This->nscontainer->stream);
 376     if(NS_FAILED(nsres))
 377         ERR("Could not get nsIWebBrowserStream interface: %08lx\n", nsres);
 378
 379     if(!nscontainer_class)
 380         register_nscontainer_class();
 381
 382     This->nscontainer->hwnd = CreateWindowExW(0, wszNsContainer, NULL,
 383             WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 0, 0, 100, 100,
 384             GetDesktopWindow(), NULL, hInst, This);
 385
 386     nsres = nsIBaseWindow_InitWindow(This->nscontainer->window, This->nscontainer->hwnd, NULL,
 387             0, 0, 100, 100);
 388     if(NS_SUCCEEDED(nsres)) {
 389         nsres = nsIBaseWindow_Create(This->nscontainer->window);
 390         if(NS_FAILED(nsres))
 391             WARN("Creating window failed: %08lx\n", nsres);
 392
 393         nsIBaseWindow_SetVisibility(This->nscontainer->window, FALSE);
 394         nsIBaseWindow_SetEnabled(This->nscontainer->window, FALSE);
 395     }else {
 396         ERR("InitWindow failed: %08lx\n", nsres);
 397     }
 398 }
 399
 400 void HTMLDocument_NSContainer_Destroy(HTMLDocument *This)
 401 {
 402     TRACE("(%p)\n", This);
 403
 404     nsIWebBrowser_Release(This->nscontainer->webbrowser);
 405     nsIWebNavigation_Release(This->nscontainer->navigation);
 406     nsIBaseWindow_Release(This->nscontainer->window);
 407
 408     if(This->nscontainer->stream)
 409         nsIWebBrowserStream_Release(This->nscontainer->stream);
 410
 411     HeapFree(GetProcessHeap(), 0, This->nscontainer);
 412 }