dlls/mshtml/nsembed.c

   1 /*
   2  * Copyright 2005-2007 Jacek Caban 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
  19 #include <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "winreg.h"
  27 #include "ole2.h"
  28 #include "shlobj.h"
  29 #include "shlwapi.h"
  30
  31 #include "wine/asm.h"
  32 #include "wine/debug.h"
  33
  34 #include "mshtml_private.h"
  35 #include "htmlevent.h"
  36 #include "binding.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  39 WINE_DECLARE_DEBUG_CHANNEL(gecko);
  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_COMMANDPARAMS_CONTRACTID "@mozilla.org/embedcomp/command-params;1"
  44 #define NS_HTMLSERIALIZER_CONTRACTID "@mozilla.org/layout/contentserializer;1?mimetype=text/html"
  45 #define NS_EDITORCONTROLLER_CONTRACTID "@mozilla.org/editor/editorcontroller;1"
  46 #define NS_PREFERENCES_CONTRACTID "@mozilla.org/preferences;1"
  47 #define NS_VARIANT_CONTRACTID "@mozilla.org/variant;1"
  48 #define NS_CATEGORYMANAGER_CONTRACTID "@mozilla.org/categorymanager;1"
  49 #define NS_XMLHTTPREQUEST_CONTRACTID "@mozilla.org/xmlextras/xmlhttprequest;1"
  50
  51 #define PR_UINT32_MAX 0xffffffff
  52
  53 #define NS_STRING_CONTAINER_INIT_DEPEND  0x0002
  54 #define NS_CSTRING_CONTAINER_INIT_DEPEND 0x0002
  55
  56 #ifdef __i386__
  57 #define GECKO_ARCH_STRING "x86"
  58 #elif defined(__x86_64__)
  59 #define GECKO_ARCH_STRING "x86_64"
  60 #else
  61 #define GECKO_ARCH_STRING ""
  62 #endif
  63
  64 #define GECKO_DIR_NAME "wine-gecko-" GECKO_VERSION "-" GECKO_ARCH_STRING
  65
  66 typedef UINT32 PRUint32;
  67
  68 static nsresult (CDECL *NS_InitXPCOM2)(nsIServiceManager**,void*,void*);
  69 static nsresult (CDECL *NS_ShutdownXPCOM)(nsIServiceManager*);
  70 static nsresult (CDECL *NS_GetComponentRegistrar)(nsIComponentRegistrar**);
  71 static nsresult (CDECL *NS_StringContainerInit2)(nsStringContainer*,const PRUnichar*,PRUint32,PRUint32);
  72 static nsresult (CDECL *NS_CStringContainerInit2)(nsCStringContainer*,const char*,PRUint32,PRUint32);
  73 static nsresult (CDECL *NS_StringContainerFinish)(nsStringContainer*);
  74 static nsresult (CDECL *NS_CStringContainerFinish)(nsCStringContainer*);
  75 static nsresult (CDECL *NS_StringSetData)(nsAString*,const PRUnichar*,PRUint32);
  76 static nsresult (CDECL *NS_CStringSetData)(nsACString*,const char*,PRUint32);
  77 static nsresult (CDECL *NS_NewLocalFile)(const nsAString*,cpp_bool,nsIFile**);
  78 static PRUint32 (CDECL *NS_StringGetData)(const nsAString*,const PRUnichar **,cpp_bool*);
  79 static PRUint32 (CDECL *NS_CStringGetData)(const nsACString*,const char**,cpp_bool*);
  80 static cpp_bool (CDECL *NS_StringGetIsVoid)(const nsAString*);
  81 static void* (CDECL *NS_Alloc)(SIZE_T);
  82 static void (CDECL *NS_Free)(void*);
  83
  84 static HINSTANCE xul_handle = NULL;
  85
  86 static nsIServiceManager *pServMgr = NULL;
  87 static nsIComponentManager *pCompMgr = NULL;
  88 static nsICategoryManager *cat_mgr;
  89 static nsIFile *profile_directory, *plugin_directory;
  90
  91 static ATOM browser_class;
  92 static WCHAR gecko_path[MAX_PATH];
  93 static unsigned gecko_path_len;
  94
  95 nsresult create_nsfile(const PRUnichar *path, nsIFile **ret)
  96 {
  97     nsAString str;
  98     nsresult nsres;
  99
 100     nsAString_InitDepend(&str, path);
 101     nsres = NS_NewLocalFile(&str, FALSE, ret);
 102     nsAString_Finish(&str);
 103
 104     if(NS_FAILED(nsres))
 105         WARN("NS_NewLocalFile failed: %08x\n", nsres);
 106     return nsres;
 107 }
 108
 109 typedef struct {
 110     nsISimpleEnumerator nsISimpleEnumerator_iface;
 111     LONG ref;
 112     nsISupports *value;
 113 } nsSingletonEnumerator;
 114
 115 static inline nsSingletonEnumerator *impl_from_nsISimpleEnumerator(nsISimpleEnumerator *iface)
 116 {
 117     return CONTAINING_RECORD(iface, nsSingletonEnumerator, nsISimpleEnumerator_iface);
 118 }
 119
 120 static nsresult NSAPI nsSingletonEnumerator_QueryInterface(nsISimpleEnumerator *iface, nsIIDRef riid, void **ppv)
 121 {
 122     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 123
 124     if(IsEqualGUID(&IID_nsISupports, riid)) {
 125         TRACE("(%p)->(IID_nsISupports %p)\n", This, ppv);
 126         *ppv = &This->nsISimpleEnumerator_iface;
 127     }else if(IsEqualGUID(&IID_nsISimpleEnumerator, riid)) {
 128         TRACE("(%p)->(IID_nsISimpleEnumerator %p)\n", This, ppv);
 129         *ppv = &This->nsISimpleEnumerator_iface;
 130     }else {
 131         TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 132         *ppv = NULL;
 133         return NS_NOINTERFACE;
 134     }
 135
 136     nsISupports_AddRef((nsISupports*)*ppv);
 137     return NS_OK;
 138 }
 139
 140 static nsrefcnt NSAPI nsSingletonEnumerator_AddRef(nsISimpleEnumerator *iface)
 141 {
 142     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 143     nsrefcnt ref = InterlockedIncrement(&This->ref);
 144
 145     TRACE("(%p) ref=%d\n", This, ref);
 146
 147     return ref;
 148 }
 149
 150 static nsrefcnt NSAPI nsSingletonEnumerator_Release(nsISimpleEnumerator *iface)
 151 {
 152     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 153     nsrefcnt ref = InterlockedDecrement(&This->ref);
 154
 155     TRACE("(%p) ref=%d\n", This, ref);
 156
 157     if(!ref) {
 158         if(This->value)
 159             nsISupports_Release(This->value);
 160         heap_free(This);
 161     }
 162
 163     return ref;
 164 }
 165
 166 static nsresult NSAPI nsSingletonEnumerator_HasMoreElements(nsISimpleEnumerator *iface, cpp_bool *_retval)
 167 {
 168     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 169
 170     TRACE("(%p)->()\n", This);
 171
 172     *_retval = This->value != NULL;
 173     return NS_OK;
 174 }
 175
 176 static nsresult NSAPI nsSingletonEnumerator_GetNext(nsISimpleEnumerator *iface, nsISupports **_retval)
 177 {
 178     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 179
 180     TRACE("(%p)->()\n", This);
 181
 182     if(!This->value)
 183         return NS_ERROR_UNEXPECTED;
 184
 185     *_retval = This->value;
 186     This->value = NULL;
 187     return NS_OK;
 188 }
 189
 190 static const nsISimpleEnumeratorVtbl nsSingletonEnumeratorVtbl = {
 191     nsSingletonEnumerator_QueryInterface,
 192     nsSingletonEnumerator_AddRef,
 193     nsSingletonEnumerator_Release,
 194     nsSingletonEnumerator_HasMoreElements,
 195     nsSingletonEnumerator_GetNext
 196 };
 197
 198 static nsISimpleEnumerator *create_singleton_enumerator(nsISupports *value)
 199 {
 200     nsSingletonEnumerator *ret;
 201
 202     ret = heap_alloc(sizeof(*ret));
 203     if(!ret)
 204         return NULL;
 205
 206     ret->nsISimpleEnumerator_iface.lpVtbl = &nsSingletonEnumeratorVtbl;
 207     ret->ref = 1;
 208
 209     if(value)
 210         nsISupports_AddRef(value);
 211     ret->value = value;
 212     return &ret->nsISimpleEnumerator_iface;
 213 }
 214
 215 static nsresult NSAPI nsDirectoryServiceProvider2_QueryInterface(nsIDirectoryServiceProvider2 *iface,
 216         nsIIDRef riid, void **result)
 217 {
 218     if(IsEqualGUID(&IID_nsISupports, riid)) {
 219         TRACE("(IID_nsISupports %p)\n", result);
 220         *result = iface;
 221     }else if(IsEqualGUID(&IID_nsIDirectoryServiceProvider, riid)) {
 222         TRACE("(IID_nsIDirectoryServiceProvider %p)\n", result);
 223         *result = iface;
 224     }else if(IsEqualGUID(&IID_nsIDirectoryServiceProvider2, riid)) {
 225         TRACE("(IID_nsIDirectoryServiceProvider2 %p)\n", result);
 226         *result = iface;
 227     }else {
 228         WARN("(%s %p)\n", debugstr_guid(riid), result);
 229         *result = NULL;
 230         return NS_NOINTERFACE;
 231     }
 232
 233     nsISupports_AddRef((nsISupports*)*result);
 234     return NS_OK;
 235 }
 236
 237 static nsrefcnt NSAPI nsDirectoryServiceProvider2_AddRef(nsIDirectoryServiceProvider2 *iface)
 238 {
 239     return 2;
 240 }
 241
 242 static nsrefcnt NSAPI nsDirectoryServiceProvider2_Release(nsIDirectoryServiceProvider2 *iface)
 243 {
 244     return 1;
 245 }
 246
 247 static nsresult create_profile_directory(void)
 248 {
 249     WCHAR path[MAX_PATH + ARRAY_SIZE(L"\\wine_gecko")];
 250     cpp_bool exists;
 251     nsresult nsres;
 252     HRESULT hres;
 253
 254     hres = SHGetFolderPathW(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT, path);
 255     if(FAILED(hres)) {
 256         ERR("SHGetFolderPath failed: %08x\n", hres);
 257         return NS_ERROR_FAILURE;
 258     }
 259
 260     lstrcatW(path, L"\\wine_gecko");
 261     nsres = create_nsfile(path, &profile_directory);
 262     if(NS_FAILED(nsres))
 263         return nsres;
 264
 265     nsres = nsIFile_Exists(profile_directory, &exists);
 266     if(NS_FAILED(nsres)) {
 267         ERR("Exists failed: %08x\n", nsres);
 268         return nsres;
 269     }
 270
 271     if(!exists) {
 272         nsres = nsIFile_Create(profile_directory, 1, 0700);
 273         if(NS_FAILED(nsres))
 274             ERR("Create failed: %08x\n", nsres);
 275     }
 276
 277     return nsres;
 278 }
 279
 280 static nsresult NSAPI nsDirectoryServiceProvider2_GetFile(nsIDirectoryServiceProvider2 *iface,
 281         const char *prop, cpp_bool *persistent, nsIFile **_retval)
 282 {
 283     TRACE("(%s %p %p)\n", debugstr_a(prop), persistent, _retval);
 284
 285     if(!strcmp(prop, "ProfD")) {
 286         if(!profile_directory) {
 287             nsresult nsres;
 288
 289             nsres = create_profile_directory();
 290             if(NS_FAILED(nsres))
 291                 return nsres;
 292         }
 293
 294         assert(profile_directory != NULL);
 295         return nsIFile_Clone(profile_directory, _retval);
 296     }
 297
 298     *_retval = NULL;
 299     return NS_ERROR_FAILURE;
 300 }
 301
 302 static nsresult NSAPI nsDirectoryServiceProvider2_GetFiles(nsIDirectoryServiceProvider2 *iface,
 303         const char *prop, nsISimpleEnumerator **_retval)
 304 {
 305     TRACE("(%s %p)\n", debugstr_a(prop), _retval);
 306
 307     if(!strcmp(prop, "APluginsDL")) {
 308         WCHAR plugin_path[MAX_PATH];
 309         nsIFile *file;
 310         int len;
 311         nsresult nsres;
 312
 313         if(!plugin_directory) {
 314             len = GetSystemDirectoryW(plugin_path, ARRAY_SIZE(plugin_path)-ARRAY_SIZE(L"\\gecko\\plugin")+1);
 315             if(!len)
 316                 return NS_ERROR_UNEXPECTED;
 317
 318             lstrcpyW(plugin_path+len, L"\\gecko\\plugin");
 319             nsres = create_nsfile(plugin_path, &plugin_directory);
 320             if(NS_FAILED(nsres)) {
 321                 *_retval = NULL;
 322                 return nsres;
 323             }
 324         }
 325
 326         nsres = nsIFile_Clone(plugin_directory, &file);
 327         if(NS_FAILED(nsres))
 328             return nsres;
 329
 330         *_retval = create_singleton_enumerator((nsISupports*)file);
 331         nsIFile_Release(file);
 332         if(!*_retval)
 333             return NS_ERROR_OUT_OF_MEMORY;
 334
 335         return NS_OK;
 336     }
 337
 338     *_retval = NULL;
 339     return NS_ERROR_FAILURE;
 340 }
 341
 342 static const nsIDirectoryServiceProvider2Vtbl nsDirectoryServiceProvider2Vtbl = {
 343     nsDirectoryServiceProvider2_QueryInterface,
 344     nsDirectoryServiceProvider2_AddRef,
 345     nsDirectoryServiceProvider2_Release,
 346     nsDirectoryServiceProvider2_GetFile,
 347     nsDirectoryServiceProvider2_GetFiles
 348 };
 349
 350 static nsIDirectoryServiceProvider2 nsDirectoryServiceProvider2 =
 351     { &nsDirectoryServiceProvider2Vtbl };
 352
 353 static LRESULT WINAPI nsembed_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 354 {
 355     GeckoBrowser *This;
 356     nsresult nsres;
 357
 358     if(msg == WM_CREATE) {
 359         This = *(GeckoBrowser**)lParam;
 360         SetPropW(hwnd, L"THIS", This);
 361     }else {
 362         This = GetPropW(hwnd, L"THIS");
 363     }
 364
 365     switch(msg) {
 366     case WM_SIZE:
 367         TRACE("(%p)->(WM_SIZE)\n", This);
 368
 369         nsres = nsIBaseWindow_SetSize(This->window,
 370                 LOWORD(lParam), HIWORD(lParam), TRUE);
 371         if(NS_FAILED(nsres))
 372             WARN("SetSize failed: %08x\n", nsres);
 373         break;
 374
 375     case WM_PARENTNOTIFY:
 376         TRACE("WM_PARENTNOTIFY %x\n", (unsigned)wParam);
 377
 378         switch(wParam) {
 379         case WM_LBUTTONDOWN:
 380         case WM_RBUTTONDOWN:
 381             nsIWebBrowserFocus_Activate(This->focus);
 382         }
 383     }
 384
 385     return DefWindowProcW(hwnd, msg, wParam, lParam);
 386 }
 387
 388
 389 static void register_browser_class(void)
 390 {
 391     static WNDCLASSEXW wndclass = {
 392         sizeof(WNDCLASSEXW),
 393         CS_DBLCLKS,
 394         nsembed_proc,
 395         0, 0, NULL, NULL, NULL, NULL, NULL,
 396         L"NsContainer",
 397         NULL,
 398     };
 399     wndclass.hInstance = hInst;
 400     browser_class = RegisterClassExW(&wndclass);
 401 }
 402
 403 static BOOL install_wine_gecko(void)
 404 {
 405     PROCESS_INFORMATION pi;
 406     STARTUPINFOW si;
 407     WCHAR app[MAX_PATH];
 408     WCHAR *args;
 409     LONG len;
 410     BOOL ret;
 411
 412     static const WCHAR controlW[] = L"\\control.exe";
 413     static const WCHAR argsW[] = L" appwiz.cpl install_gecko";
 414
 415     len = GetSystemDirectoryW(app, MAX_PATH-ARRAY_SIZE(controlW));
 416     memcpy(app+len, controlW, sizeof(controlW));
 417
 418     args = heap_alloc(len*sizeof(WCHAR) + sizeof(controlW) + sizeof(argsW));
 419     if(!args)
 420         return FALSE;
 421
 422     memcpy(args, app, len*sizeof(WCHAR) + sizeof(controlW));
 423     memcpy(args + len + ARRAY_SIZE(controlW)-1, argsW, sizeof(argsW));
 424
 425     TRACE("starting %s\n", debugstr_w(args));
 426
 427     memset(&si, 0, sizeof(si));
 428     si.cb = sizeof(si);
 429     ret = CreateProcessW(app, args, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 430     heap_free(args);
 431     if (ret) {
 432         CloseHandle(pi.hThread);
 433         WaitForSingleObject(pi.hProcess, INFINITE);
 434         CloseHandle(pi.hProcess);
 435     }else {
 436         WARN("installation failed\n");
 437     }
 438
 439     return ret;
 440 }
 441
 442 static void set_environment(LPCWSTR gre_path)
 443 {
 444     size_t len, gre_path_len;
 445     int debug_level = 0;
 446     WCHAR *path, buf[20];
 447     const WCHAR *ptr;
 448
 449     SetEnvironmentVariableW(L"XPCOM_DEBUG_BREAK", L"warn");
 450
 451     if(TRACE_ON(gecko))
 452         debug_level = 5;
 453     else if(WARN_ON(gecko))
 454         debug_level = 2;
 455     else if(ERR_ON(gecko))
 456         debug_level = 1;
 457
 458     swprintf(buf, ARRAY_SIZE(buf), L"all:%d", debug_level);
 459     SetEnvironmentVariableW(L"NSPR_LOG_MODULES", buf);
 460
 461     len = GetEnvironmentVariableW(L"PATH", NULL, 0);
 462     gre_path_len = lstrlenW(gre_path);
 463     path = heap_alloc((len+gre_path_len+1)*sizeof(WCHAR));
 464     if(!path)
 465         return;
 466     GetEnvironmentVariableW(L"PATH", path, len);
 467
 468     /* We have to modify PATH as xul.dll loads other DLLs from this directory. */
 469     if(!(ptr = wcsstr(path, gre_path))
 470        || (ptr > path && *(ptr-1) != ';')
 471        || (ptr[gre_path_len] && ptr[gre_path_len] != ';')) {
 472         if(len)
 473             path[len-1] = ';';
 474         lstrcpyW(path+len, gre_path);
 475         SetEnvironmentVariableW(L"PATH", path);
 476     }
 477     heap_free(path);
 478 }
 479
 480 static void set_bool_pref(nsIPrefBranch *pref, const char *pref_name, BOOL val)
 481 {
 482     nsresult nsres;
 483
 484     nsres = nsIPrefBranch_SetBoolPref(pref, pref_name, val);
 485     if(NS_FAILED(nsres))
 486         ERR("Could not set pref %s\n", debugstr_a(pref_name));
 487 }
 488
 489 static void set_int_pref(nsIPrefBranch *pref, const char *pref_name, int val)
 490 {
 491     nsresult nsres;
 492
 493     nsres = nsIPrefBranch_SetIntPref(pref, pref_name, val);
 494     if(NS_FAILED(nsres))
 495         ERR("Could not set pref %s\n", debugstr_a(pref_name));
 496 }
 497
 498 static void set_string_pref(nsIPrefBranch *pref, const char *pref_name, const char *val)
 499 {
 500     nsresult nsres;
 501
 502     nsres = nsIPrefBranch_SetCharPref(pref, pref_name, val);
 503     if(NS_FAILED(nsres))
 504         ERR("Could not set pref %s\n", debugstr_a(pref_name));
 505 }
 506
 507 static void set_lang(nsIPrefBranch *pref)
 508 {
 509     char langs[100];
 510     DWORD res, size, type;
 511     HKEY hkey;
 512
 513     res = RegOpenKeyW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Internet Explorer\\International", &hkey);
 514     if(res != ERROR_SUCCESS)
 515         return;
 516
 517     size = sizeof(langs);
 518     res = RegQueryValueExA(hkey, "AcceptLanguage", 0, &type, (LPBYTE)langs, &size);
 519     RegCloseKey(hkey);
 520     if(res != ERROR_SUCCESS || type != REG_SZ)
 521         return;
 522
 523     TRACE("Setting lang %s\n", debugstr_a(langs));
 524
 525     set_string_pref(pref, "intl.accept_languages", langs);
 526 }
 527
 528 static void set_preferences(void)
 529 {
 530     nsIPrefBranch *pref;
 531     nsresult nsres;
 532
 533     nsres = nsIServiceManager_GetServiceByContractID(pServMgr, NS_PREFERENCES_CONTRACTID,
 534             &IID_nsIPrefBranch, (void**)&pref);
 535     if(NS_FAILED(nsres)) {
 536         ERR("Could not get preference service: %08x\n", nsres);
 537         return;
 538     }
 539
 540     set_lang(pref);
 541     set_bool_pref(pref, "security.warn_entering_secure", FALSE);
 542     set_bool_pref(pref, "security.warn_submit_insecure", FALSE);
 543     set_int_pref(pref, "layout.spellcheckDefault", 0);
 544
 545     nsIPrefBranch_Release(pref);
 546 }
 547
 548 static BOOL init_xpcom(const PRUnichar *gre_path)
 549 {
 550     nsIComponentRegistrar *registrar = NULL;
 551     nsIFile *gre_dir;
 552     WCHAR *ptr;
 553     nsresult nsres;
 554
 555     nsres = create_nsfile(gre_path, &gre_dir);
 556     if(NS_FAILED(nsres)) {
 557         FreeLibrary(xul_handle);
 558         return FALSE;
 559     }
 560
 561     nsres = NS_InitXPCOM2(&pServMgr, gre_dir, (nsIDirectoryServiceProvider*)&nsDirectoryServiceProvider2);
 562     if(NS_FAILED(nsres)) {
 563         ERR("NS_InitXPCOM2 failed: %08x\n", nsres);
 564         FreeLibrary(xul_handle);
 565         return FALSE;
 566     }
 567
 568     lstrcpyW(gecko_path, gre_path);
 569     for(ptr = gecko_path; *ptr; ptr++) {
 570         if(*ptr == '\\')
 571             *ptr = '/';
 572     }
 573     gecko_path_len = ptr-gecko_path;
 574
 575     nsres = nsIServiceManager_QueryInterface(pServMgr, &IID_nsIComponentManager, (void**)&pCompMgr);
 576     if(NS_FAILED(nsres))
 577         ERR("Could not get nsIComponentManager: %08x\n", nsres);
 578
 579     init_nsio(pCompMgr);
 580     init_mutation(pCompMgr);
 581     set_preferences();
 582
 583     nsres = nsIServiceManager_GetServiceByContractID(pServMgr, NS_CATEGORYMANAGER_CONTRACTID,
 584             &IID_nsICategoryManager, (void**)&cat_mgr);
 585     if(NS_FAILED(nsres))
 586         ERR("Could not get category manager service: %08x\n", nsres);
 587
 588     nsres = NS_GetComponentRegistrar(&registrar);
 589     if(NS_SUCCEEDED(nsres)) {
 590         register_nsservice(registrar, pServMgr);
 591         nsIComponentRegistrar_Release(registrar);
 592     }else {
 593         ERR("NS_GetComponentRegistrar failed: %08x\n", nsres);
 594     }
 595
 596     init_node_cc();
 597
 598     return TRUE;
 599 }
 600
 601 static BOOL load_xul(WCHAR *gecko_path)
 602 {
 603     size_t len;
 604
 605     set_environment(gecko_path);
 606
 607     TRACE("(%s)\n", debugstr_w(gecko_path));
 608
 609     len = wcslen(gecko_path);
 610     wcscpy(gecko_path + len, L"\\xul.dll");
 611     xul_handle = LoadLibraryExW(gecko_path, 0, LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR | LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);
 612     gecko_path[len] = 0;
 613     if(!xul_handle) {
 614         WARN("Could not load XUL: %d\n", GetLastError());
 615         return FALSE;
 616     }
 617
 618 #define NS_DLSYM(func) \
 619     func = (void *)GetProcAddress(xul_handle, #func); \
 620     if(!func) \
 621         ERR("Could not GetProcAddress(" #func ") failed\n")
 622
 623     NS_DLSYM(NS_InitXPCOM2);
 624     NS_DLSYM(NS_ShutdownXPCOM);
 625     NS_DLSYM(NS_GetComponentRegistrar);
 626     NS_DLSYM(NS_StringContainerInit2);
 627     NS_DLSYM(NS_CStringContainerInit2);
 628     NS_DLSYM(NS_StringContainerFinish);
 629     NS_DLSYM(NS_CStringContainerFinish);
 630     NS_DLSYM(NS_StringSetData);
 631     NS_DLSYM(NS_CStringSetData);
 632     NS_DLSYM(NS_NewLocalFile);
 633     NS_DLSYM(NS_StringGetData);
 634     NS_DLSYM(NS_CStringGetData);
 635     NS_DLSYM(NS_StringGetIsVoid);
 636     NS_DLSYM(NS_Alloc);
 637     NS_DLSYM(NS_Free);
 638     NS_DLSYM(ccref_incr);
 639     NS_DLSYM(ccref_decr);
 640     NS_DLSYM(ccref_init);
 641     NS_DLSYM(ccp_init);
 642     NS_DLSYM(describe_cc_node);
 643     NS_DLSYM(note_cc_edge);
 644
 645 #undef NS_DLSYM
 646
 647     return init_xpcom(gecko_path);
 648 }
 649
 650 static WCHAR *check_version(const WCHAR *path)
 651 {
 652     WCHAR *file_name;
 653     char version[128];
 654     DWORD read=0;
 655     size_t len;
 656     HANDLE hfile;
 657
 658     if(!wcsncmp(path, L"\\??\\", 4))
 659         path += 4;
 660     if(path[1] != ':') {
 661         TRACE("Skipping %s\n", debugstr_w(path));
 662         return FALSE; /* Gecko needs to be accessible via dos path */
 663     }
 664
 665     len = wcslen(path);
 666     file_name = heap_alloc((len + 12) * sizeof(WCHAR));
 667     if(!file_name)
 668         return NULL;
 669
 670     PathCanonicalizeW(file_name, path);
 671     len = lstrlenW(file_name);
 672     wcscpy(file_name + len, L"\\VERSION");
 673
 674     hfile = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 675                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 676     file_name[len] = 0;
 677     if(hfile == INVALID_HANDLE_VALUE) {
 678         TRACE("%s not found\n", debugstr_w(file_name));
 679         heap_free(file_name);
 680         return NULL;
 681     }
 682
 683     ReadFile(hfile, version, sizeof(version), &read, NULL);
 684     version[read] = 0;
 685     CloseHandle(hfile);
 686
 687     TRACE("%s: %s\n", debugstr_w(file_name), debugstr_a(version));
 688
 689     if(strcmp(version, GECKO_VERSION_STRING)) {
 690         ERR("Unexpected version %s, expected \"%s\"\n", debugstr_a(version),
 691             GECKO_VERSION_STRING);
 692         heap_free(file_name);
 693         return NULL;
 694     }
 695
 696     return file_name;
 697 }
 698
 699 static WCHAR *find_wine_gecko_reg(void)
 700 {
 701     WCHAR buffer[MAX_PATH];
 702     DWORD res, type, size;
 703     HKEY hkey;
 704
 705     /* @@ Wine registry key: HKLM\Software\Wine\MSHTML\<version> */
 706     res = RegOpenKeyW(HKEY_LOCAL_MACHINE, L"Software\\Wine\\MSHTML\\" GECKO_VERSION, &hkey);
 707     if(res != ERROR_SUCCESS)
 708         return NULL;
 709
 710     size = sizeof(buffer);
 711     res = RegQueryValueExW(hkey, L"GeckoPath", NULL, &type, (LPBYTE)buffer, &size);
 712     RegCloseKey(hkey);
 713     if(res != ERROR_SUCCESS || type != REG_SZ)
 714         return FALSE;
 715
 716     return check_version(buffer);
 717 }
 718
 719 static WCHAR *heap_strcat(const WCHAR *str1, const WCHAR *str2)
 720 {
 721     size_t len1 = lstrlenW(str1);
 722     size_t len2 = lstrlenW(str2);
 723     WCHAR *ret = heap_alloc((len1 + len2 + 1) * sizeof(WCHAR));
 724     if(!ret) return NULL;
 725     memcpy(ret, str1, len1 * sizeof(WCHAR));
 726     memcpy(ret + len1, str2, len2 * sizeof(WCHAR));
 727     ret[len1 + len2] = 0;
 728     return ret;
 729 }
 730
 731 static WCHAR *find_wine_gecko_datadir(void)
 732 {
 733     const WCHAR *data_dir;
 734     WCHAR *path = NULL, *ret;
 735
 736     if((data_dir = _wgetenv(L"WINEDATADIR")))
 737         path = heap_strcat(data_dir, L"\\gecko\\" GECKO_DIR_NAME);
 738     else if((data_dir = _wgetenv(L"WINEBUILDDIR")))
 739         path = heap_strcat(data_dir, L"\\..\\gecko\\" GECKO_DIR_NAME);
 740     if(!path)
 741         return NULL;
 742
 743     ret = check_version(path);
 744     heap_free(path);
 745     return ret;
 746 }
 747
 748 static WCHAR *find_wine_gecko_unix(const char *unix_path)
 749 {
 750     static WCHAR * (CDECL *p_wine_get_dos_file_name)(const char*);
 751     WCHAR *dos_dir, *ret;
 752
 753     if(!p_wine_get_dos_file_name) {
 754         p_wine_get_dos_file_name = (void*)GetProcAddress(GetModuleHandleA("kernel32"), "wine_get_dos_file_name");
 755         if(!p_wine_get_dos_file_name)
 756             return FALSE;
 757     }
 758
 759     dos_dir = p_wine_get_dos_file_name(unix_path);
 760     if(!dos_dir)
 761         return FALSE;
 762
 763     ret = check_version(dos_dir);
 764
 765     heap_free(dos_dir);
 766     return ret;
 767 }
 768
 769 static CRITICAL_SECTION cs_load_gecko;
 770 static CRITICAL_SECTION_DEBUG cs_load_gecko_dbg =
 771 {
 772     0, 0, &cs_load_gecko,
 773     { &cs_load_gecko_dbg.ProcessLocksList, &cs_load_gecko_dbg.ProcessLocksList },
 774       0, 0, { (DWORD_PTR)(__FILE__ ": load_gecko") }
 775 };
 776 static CRITICAL_SECTION cs_load_gecko = { &cs_load_gecko_dbg, -1, 0, 0, 0, 0 };
 777
 778 BOOL load_gecko(void)
 779 {
 780     BOOL ret = FALSE;
 781
 782     static DWORD loading_thread;
 783
 784     TRACE("()\n");
 785
 786     if(!GECKO_ARCH_STRING[0]) {
 787         FIXME("Wine Gecko is not supported on this architecture.\n");
 788         return FALSE;
 789     }
 790
 791     /* load_gecko may be called recursively */
 792     if(loading_thread == GetCurrentThreadId())
 793         return pCompMgr != NULL;
 794
 795     EnterCriticalSection(&cs_load_gecko);
 796
 797     if(!loading_thread) {
 798         WCHAR *gecko_path;
 799
 800         loading_thread = GetCurrentThreadId();
 801
 802         if(!(gecko_path = find_wine_gecko_reg())
 803            && !(gecko_path = find_wine_gecko_datadir())
 804            && !(gecko_path = find_wine_gecko_unix(INSTALL_DATADIR "/wine/gecko/" GECKO_DIR_NAME))
 805            && (!strcmp(INSTALL_DATADIR, "/usr/share") ||
 806                !(gecko_path = find_wine_gecko_unix("/usr/share/wine/gecko/" GECKO_DIR_NAME)))
 807            && !(gecko_path = find_wine_gecko_unix("/opt/wine/gecko/" GECKO_DIR_NAME))
 808            && install_wine_gecko())
 809             gecko_path = find_wine_gecko_reg();
 810
 811         if(gecko_path) {
 812             ret = load_xul(gecko_path);
 813             heap_free(gecko_path);
 814         }else {
 815            MESSAGE("Could not find Wine Gecko. HTML rendering will be disabled.\n");
 816         }
 817     }else {
 818         ret = pCompMgr != NULL;
 819     }
 820
 821     LeaveCriticalSection(&cs_load_gecko);
 822
 823     return ret;
 824 }
 825
 826 void *nsalloc(size_t size)
 827 {
 828     return NS_Alloc(size);
 829 }
 830
 831 void nsfree(void *mem)
 832 {
 833     NS_Free(mem);
 834 }
 835
 836 BOOL nsACString_Init(nsACString *str, const char *data)
 837 {
 838     return NS_SUCCEEDED(NS_CStringContainerInit2(str, data, PR_UINT32_MAX, 0));
 839 }
 840
 841 /*
 842  * Initializes nsACString with data owned by caller.
 843  * Caller must ensure that data is valid during lifetime of string object.
 844  */
 845 void nsACString_InitDepend(nsACString *str, const char *data)
 846 {
 847     NS_CStringContainerInit2(str, data, PR_UINT32_MAX, NS_CSTRING_CONTAINER_INIT_DEPEND);
 848 }
 849
 850 void nsACString_SetData(nsACString *str, const char *data)
 851 {
 852     NS_CStringSetData(str, data, PR_UINT32_MAX);
 853 }
 854
 855 UINT32 nsACString_GetData(const nsACString *str, const char **data)
 856 {
 857     return NS_CStringGetData(str, data, NULL);
 858 }
 859
 860 void nsACString_Finish(nsACString *str)
 861 {
 862     NS_CStringContainerFinish(str);
 863 }
 864
 865 BOOL nsAString_Init(nsAString *str, const PRUnichar *data)
 866 {
 867     return NS_SUCCEEDED(NS_StringContainerInit2(str, data, PR_UINT32_MAX, 0));
 868 }
 869
 870 /*
 871  * Initializes nsAString with data owned by caller.
 872  * Caller must ensure that data is valid during lifetime of string object.
 873  */
 874 void nsAString_InitDepend(nsAString *str, const PRUnichar *data)
 875 {
 876     NS_StringContainerInit2(str, data, PR_UINT32_MAX, NS_STRING_CONTAINER_INIT_DEPEND);
 877 }
 878
 879 UINT32 nsAString_GetData(const nsAString *str, const PRUnichar **data)
 880 {
 881     return NS_StringGetData(str, data, NULL);
 882 }
 883
 884 void nsAString_SetData(nsAString *str, const PRUnichar *data)
 885 {
 886     NS_StringSetData(str, data, PR_UINT32_MAX);
 887 }
 888
 889 void nsAString_Finish(nsAString *str)
 890 {
 891     NS_StringContainerFinish(str);
 892 }
 893
 894 HRESULT map_nsresult(nsresult nsres)
 895 {
 896     switch(nsres) {
 897     case NS_OK:
 898         return S_OK;
 899     case NS_ERROR_OUT_OF_MEMORY:
 900         return E_OUTOFMEMORY;
 901     case NS_ERROR_NOT_IMPLEMENTED:
 902         return E_NOTIMPL;
 903     case NS_NOINTERFACE:
 904         return E_NOINTERFACE;
 905     case NS_ERROR_INVALID_POINTER:
 906         return E_POINTER;
 907     case NS_ERROR_INVALID_ARG:
 908         return E_INVALIDARG;
 909     case NS_ERROR_UNEXPECTED:
 910         return E_UNEXPECTED;
 911     case NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR:
 912         return 0x80700007; /* according to tests */
 913     }
 914     return E_FAIL;
 915 }
 916
 917 HRESULT return_nsstr(nsresult nsres, nsAString *nsstr, BSTR *p)
 918 {
 919     const PRUnichar *str;
 920     HRESULT hres = S_OK;
 921
 922     if(NS_FAILED(nsres)) {
 923         WARN("failed: %08x\n", nsres);
 924         nsAString_Finish(nsstr);
 925         return map_nsresult(nsres);
 926     }
 927
 928     nsAString_GetData(nsstr, &str);
 929     TRACE("ret %s\n", debugstr_w(str));
 930     if(*str) {
 931         *p = SysAllocString(str);
 932         if(!*p)
 933             hres = E_OUTOFMEMORY;
 934     }else {
 935         *p = NULL;
 936     }
 937
 938     nsAString_Finish(nsstr);
 939     return hres;
 940 }
 941
 942 HRESULT return_nsstr_variant(nsresult nsres, nsAString *nsstr, unsigned flags, VARIANT *p)
 943 {
 944     HRESULT hres = S_OK;
 945
 946     if(NS_FAILED(nsres)) {
 947         ERR("failed: %08x\n", nsres);
 948         nsAString_Finish(nsstr);
 949         return map_nsresult(nsres);
 950     }
 951
 952     if(NS_StringGetIsVoid(nsstr)) {
 953         V_VT(p) = VT_NULL;
 954     }else {
 955         const WCHAR *str;
 956         size_t len;
 957         nsAString_GetData(nsstr, &str);
 958         len = wcslen(str);
 959         if(flags & NSSTR_IMPLICIT_PX) {
 960             const WCHAR *iter;
 961             if(len > 2 && !wcscmp(str + len - 2, L"px"))
 962                 len -= 2;
 963             for(iter = str; iter < str + len && is_digit(*iter); iter++);
 964             if(*iter == '.') {
 965                 const WCHAR *dot = iter++;
 966                 while(iter < str + len && is_digit(*iter)) iter++;
 967                 if(iter == str + len && dot) len = dot - str;
 968             }
 969         }
 970         if(flags & NSSTR_COLOR) {
 971             hres = nscolor_to_str(str, &V_BSTR(p));
 972         }else if(*str) {
 973             V_BSTR(p) = SysAllocStringLen(str, len);
 974             if(!V_BSTR(p))
 975                 hres = E_OUTOFMEMORY;
 976         }else {
 977             V_BSTR(p) = NULL;
 978         }
 979         if(SUCCEEDED(hres))
 980             V_VT(p) = VT_BSTR;
 981     }
 982
 983     nsAString_Finish(nsstr);
 984     if(FAILED(hres))
 985         return hres;
 986     TRACE("ret %s\n", debugstr_variant(p));
 987     return S_OK;
 988 }
 989
 990 /*
 991  * Converts VARIANT to string and stores the result in nsAString. To avoid useless
 992  * allocations, the function uses an existing string if available, so caller must
 993  * ensure that passed VARIANT is unchanged as long as its string representation is used
 994  */
 995 HRESULT variant_to_nsstr(VARIANT *v, BOOL hex_int, nsAString *nsstr)
 996 {
 997     WCHAR buf[32];
 998
 999     switch(V_VT(v)) {
1000     case VT_NULL:
1001         nsAString_InitDepend(nsstr, NULL);
1002         return S_OK;
1003
1004     case VT_BSTR:
1005         nsAString_InitDepend(nsstr, V_BSTR(v));
1006         break;
1007
1008     case VT_BSTR|VT_BYREF:
1009         nsAString_InitDepend(nsstr, *V_BSTRREF(v));
1010         break;
1011
1012     case VT_I4:
1013         wsprintfW(buf, hex_int ? L"#%06x" : L"%d", V_I4(v));
1014         nsAString_Init(nsstr, buf);
1015         break;
1016
1017     case VT_R8:
1018     case VT_DISPATCH: {
1019         VARIANT strv;
1020         HRESULT hres;
1021
1022         V_VT(&strv) = VT_EMPTY;
1023         hres = VariantChangeTypeEx(&strv, v, MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT),
1024                                    0, VT_BSTR);
1025         if(FAILED(hres))
1026             return hres;
1027
1028         nsAString_Init(nsstr, V_BSTR(&strv));
1029         SysFreeString(V_BSTR(&strv));
1030         break;
1031     }
1032
1033     default:
1034         FIXME("not implemented for %s\n", debugstr_variant(v));
1035         return E_NOTIMPL;
1036
1037     }
1038     return S_OK;
1039 }
1040
1041 nsICommandParams *create_nscommand_params(void)
1042 {
1043     nsICommandParams *ret = NULL;
1044     nsresult nsres;
1045
1046     if(!pCompMgr)
1047         return NULL;
1048
1049     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
1050             NS_COMMANDPARAMS_CONTRACTID, NULL, &IID_nsICommandParams,
1051             (void**)&ret);
1052     if(NS_FAILED(nsres))
1053         ERR("Could not get nsICommandParams\n");
1054
1055     return ret;
1056 }
1057
1058 nsIWritableVariant *create_nsvariant(void)
1059 {
1060     nsIWritableVariant *ret = NULL;
1061     nsresult nsres;
1062
1063     if(!pCompMgr)
1064         return NULL;
1065
1066     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
1067             NS_VARIANT_CONTRACTID, NULL, &IID_nsIWritableVariant, (void**)&ret);
1068     if(NS_FAILED(nsres))
1069         ERR("Could not get nsIVariant\n");
1070
1071     return ret;
1072 }
1073
1074 char *get_nscategory_entry(const char *category, const char *entry)
1075 {
1076     char *ret = NULL;
1077     nsresult nsres;
1078
1079     nsres = nsICategoryManager_GetCategoryEntry(cat_mgr, category, entry, &ret);
1080     return NS_SUCCEEDED(nsres) ? ret : NULL;
1081 }
1082
1083 nsresult get_nsinterface(nsISupports *iface, REFIID riid, void **ppv)
1084 {
1085     nsIInterfaceRequestor *iface_req;
1086     nsresult nsres;
1087
1088     nsres = nsISupports_QueryInterface(iface, &IID_nsIInterfaceRequestor, (void**)&iface_req);
1089     if(NS_FAILED(nsres))
1090         return nsres;
1091
1092     nsres = nsIInterfaceRequestor_GetInterface(iface_req, riid, ppv);
1093     nsIInterfaceRequestor_Release(iface_req);
1094
1095     return nsres;
1096 }
1097
1098 static HRESULT nsnode_to_nsstring_rec(nsIContentSerializer *serializer, nsIDOMNode *nsnode, nsAString *str)
1099 {
1100     nsIDOMNodeList *node_list = NULL;
1101     cpp_bool has_children = FALSE;
1102     nsIContent *nscontent;
1103     UINT16 type;
1104     nsresult nsres;
1105
1106     nsIDOMNode_HasChildNodes(nsnode, &has_children);
1107
1108     nsres = nsIDOMNode_GetNodeType(nsnode, &type);
1109     if(NS_FAILED(nsres)) {
1110         ERR("GetType failed: %08x\n", nsres);
1111         return E_FAIL;
1112     }
1113
1114     if(type != DOCUMENT_NODE) {
1115         nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIContent, (void**)&nscontent);
1116         if(NS_FAILED(nsres)) {
1117             ERR("Could not get nsIContent interface: %08x\n", nsres);
1118             return E_FAIL;
1119         }
1120     }
1121
1122     switch(type) {
1123     case ELEMENT_NODE:
1124         nsIContentSerializer_AppendElementStart(serializer, nscontent, nscontent, str);
1125         break;
1126     case TEXT_NODE:
1127         nsIContentSerializer_AppendText(serializer, nscontent, 0, -1, str);
1128         break;
1129     case COMMENT_NODE:
1130         nsIContentSerializer_AppendComment(serializer, nscontent, 0, -1, str);
1131         break;
1132     case DOCUMENT_NODE: {
1133         nsIDocument *nsdoc;
1134         nsIDOMNode_QueryInterface(nsnode, &IID_nsIDocument, (void**)&nsdoc);
1135         nsIContentSerializer_AppendDocumentStart(serializer, nsdoc, str);
1136         nsIDocument_Release(nsdoc);
1137         break;
1138     }
1139     case DOCUMENT_TYPE_NODE:
1140         nsIContentSerializer_AppendDoctype(serializer, nscontent, str);
1141         break;
1142     case DOCUMENT_FRAGMENT_NODE:
1143         break;
1144     default:
1145         FIXME("Unhandled type %u\n", type);
1146     }
1147
1148     if(has_children) {
1149         UINT32 child_cnt, i;
1150         nsIDOMNode *child_node;
1151
1152         nsIDOMNode_GetChildNodes(nsnode, &node_list);
1153         nsIDOMNodeList_GetLength(node_list, &child_cnt);
1154
1155         for(i=0; i<child_cnt; i++) {
1156             nsres = nsIDOMNodeList_Item(node_list, i, &child_node);
1157             if(NS_SUCCEEDED(nsres)) {
1158                 nsnode_to_nsstring_rec(serializer, child_node, str);
1159                 nsIDOMNode_Release(child_node);
1160             }else {
1161                 ERR("Item failed: %08x\n", nsres);
1162             }
1163         }
1164
1165         nsIDOMNodeList_Release(node_list);
1166     }
1167
1168     if(type == ELEMENT_NODE)
1169         nsIContentSerializer_AppendElementEnd(serializer, nscontent, str);
1170
1171     if(type != DOCUMENT_NODE)
1172         nsIContent_Release(nscontent);
1173     return S_OK;
1174 }
1175
1176 HRESULT nsnode_to_nsstring(nsIDOMNode *nsnode, nsAString *str)
1177 {
1178     nsIContentSerializer *serializer;
1179     nsresult nsres;
1180     HRESULT hres;
1181
1182     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
1183             NS_HTMLSERIALIZER_CONTRACTID, NULL, &IID_nsIContentSerializer,
1184             (void**)&serializer);
1185     if(NS_FAILED(nsres)) {
1186         ERR("Could not get nsIContentSerializer: %08x\n", nsres);
1187         return E_FAIL;
1188     }
1189
1190     nsres = nsIContentSerializer_Init(serializer, 0, 100, NULL, FALSE, FALSE /* FIXME */);
1191     if(NS_FAILED(nsres))
1192         ERR("Init failed: %08x\n", nsres);
1193
1194     hres = nsnode_to_nsstring_rec(serializer, nsnode, str);
1195     if(SUCCEEDED(hres)) {
1196         nsres = nsIContentSerializer_Flush(serializer, str);
1197         if(NS_FAILED(nsres))
1198             ERR("Flush failed: %08x\n", nsres);
1199     }
1200
1201     nsIContentSerializer_Release(serializer);
1202     return hres;
1203 }
1204
1205 void setup_editor_controller(GeckoBrowser *This)
1206 {
1207     nsIEditingSession *editing_session = NULL;
1208     nsIControllerContext *ctrlctx;
1209     nsresult nsres;
1210
1211     if(This->editor) {
1212         nsIEditor_Release(This->editor);
1213         This->editor = NULL;
1214     }
1215
1216     if(This->editor_controller) {
1217         nsIController_Release(This->editor_controller);
1218         This->editor_controller = NULL;
1219     }
1220
1221     nsres = get_nsinterface((nsISupports*)This->webbrowser, &IID_nsIEditingSession,
1222             (void**)&editing_session);
1223     if(NS_FAILED(nsres)) {
1224         ERR("Could not get nsIEditingSession: %08x\n", nsres);
1225         return;
1226     }
1227
1228     nsres = nsIEditingSession_GetEditorForWindow(editing_session,
1229             This->doc->basedoc.window->window_proxy, &This->editor);
1230     nsIEditingSession_Release(editing_session);
1231     if(NS_FAILED(nsres)) {
1232         ERR("Could not get editor: %08x\n", nsres);
1233         return;
1234     }
1235
1236     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
1237             NS_EDITORCONTROLLER_CONTRACTID, NULL, &IID_nsIControllerContext, (void**)&ctrlctx);
1238     if(NS_SUCCEEDED(nsres)) {
1239         nsres = nsIControllerContext_SetCommandContext(ctrlctx, (nsISupports *)This->editor);
1240         if(NS_FAILED(nsres))
1241             ERR("SetCommandContext failed: %08x\n", nsres);
1242         nsres = nsIControllerContext_QueryInterface(ctrlctx, &IID_nsIController,
1243                 (void**)&This->editor_controller);
1244         nsIControllerContext_Release(ctrlctx);
1245         if(NS_FAILED(nsres))
1246             ERR("Could not get nsIController interface: %08x\n", nsres);
1247     }else {
1248         ERR("Could not create edit controller: %08x\n", nsres);
1249     }
1250 }
1251
1252 void close_gecko(void)
1253 {
1254     TRACE("()\n");
1255
1256     release_nsio();
1257     init_mutation(NULL);
1258
1259     if(profile_directory) {
1260         nsIFile_Release(profile_directory);
1261         profile_directory = NULL;
1262     }
1263
1264     if(plugin_directory) {
1265         nsIFile_Release(plugin_directory);
1266         plugin_directory = NULL;
1267     }
1268
1269     if(pCompMgr)
1270         nsIComponentManager_Release(pCompMgr);
1271
1272     if(pServMgr)
1273         nsIServiceManager_Release(pServMgr);
1274
1275     if(cat_mgr)
1276         nsICategoryManager_Release(cat_mgr);
1277
1278     /* Gecko doesn't really support being unloaded */
1279     /* if (hXPCOM) FreeLibrary(hXPCOM); */
1280
1281     DeleteCriticalSection(&cs_load_gecko);
1282 }
1283
1284 BOOL is_gecko_path(const char *path)
1285 {
1286     WCHAR *buf, *ptr;
1287     BOOL ret;
1288
1289     buf = heap_strdupUtoW(path);
1290     if(!buf || lstrlenW(buf) < gecko_path_len)
1291         return FALSE;
1292
1293     for(ptr = buf; *ptr; ptr++) {
1294         if(*ptr == '\\')
1295             *ptr = '/';
1296     }
1297
1298     UrlUnescapeW(buf, NULL, NULL, URL_UNESCAPE_INPLACE);
1299     buf[gecko_path_len] = 0;
1300
1301     ret = !wcsicmp(buf, gecko_path);
1302     heap_free(buf);
1303     return ret;
1304 }
1305
1306 void set_viewer_zoom(GeckoBrowser *browser, float factor)
1307 {
1308     nsIContentViewer *content_viewer;
1309     nsIDocShell *doc_shell;
1310     nsresult nsres;
1311
1312     TRACE("Setting to %f\n", factor);
1313
1314     nsres = get_nsinterface((nsISupports*)browser->navigation, &IID_nsIDocShell, (void**)&doc_shell);
1315     assert(nsres == NS_OK);
1316
1317     nsres = nsIDocShell_GetContentViewer(doc_shell, &content_viewer);
1318     assert(nsres == NS_OK && content_viewer);
1319     nsIDocShell_Release(doc_shell);
1320
1321     nsres = nsIContentViewer_SetFullZoom(content_viewer, factor);
1322     if(NS_FAILED(nsres))
1323         ERR("SetFullZoom failed: %08x\n", nsres);
1324
1325     nsIContentViewer_Release(content_viewer);
1326 }
1327
1328 float get_viewer_zoom(GeckoBrowser *browser)
1329 {
1330     nsIContentViewer *content_viewer;
1331     nsIDocShell *doc_shell;
1332     nsresult nsres;
1333     float factor;
1334
1335     nsres = get_nsinterface((nsISupports*)browser->navigation, &IID_nsIDocShell, (void**)&doc_shell);
1336     assert(nsres == NS_OK);
1337
1338     nsres = nsIDocShell_GetContentViewer(doc_shell, &content_viewer);
1339     assert(nsres == NS_OK && content_viewer);
1340     nsIDocShell_Release(doc_shell);
1341
1342     nsres = nsIContentViewer_GetFullZoom(content_viewer, &factor);
1343     if(NS_FAILED(nsres))
1344         ERR("GetFullZoom failed: %08x\n", nsres);
1345     TRACE("Got %f\n", factor);
1346
1347     nsIContentViewer_Release(content_viewer);
1348     return factor;
1349 }
1350
1351 struct nsWeakReference {
1352     nsIWeakReference nsIWeakReference_iface;
1353
1354     LONG ref;
1355
1356     GeckoBrowser *browser;
1357 };
1358
1359 static inline nsWeakReference *impl_from_nsIWeakReference(nsIWeakReference *iface)
1360 {
1361     return CONTAINING_RECORD(iface, nsWeakReference, nsIWeakReference_iface);
1362 }
1363
1364 static nsresult NSAPI nsWeakReference_QueryInterface(nsIWeakReference *iface,
1365         nsIIDRef riid, void **result)
1366 {
1367     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1368
1369     if(IsEqualGUID(&IID_nsISupports, riid)) {
1370         TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
1371         *result = &This->nsIWeakReference_iface;
1372     }else if(IsEqualGUID(&IID_nsIWeakReference, riid)) {
1373         TRACE("(%p)->(IID_nsIWeakReference %p)\n", This, result);
1374         *result = &This->nsIWeakReference_iface;
1375     }else {
1376         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
1377         *result = NULL;
1378         return NS_NOINTERFACE;
1379     }
1380
1381     nsISupports_AddRef((nsISupports*)*result);
1382     return NS_OK;
1383 }
1384
1385 static nsrefcnt NSAPI nsWeakReference_AddRef(nsIWeakReference *iface)
1386 {
1387     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1388     LONG ref = InterlockedIncrement(&This->ref);
1389
1390     TRACE("(%p) ref=%d\n", This, ref);
1391
1392     return ref;
1393 }
1394
1395 static nsrefcnt NSAPI nsWeakReference_Release(nsIWeakReference *iface)
1396 {
1397     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1398     LONG ref = InterlockedDecrement(&This->ref);
1399
1400     TRACE("(%p) ref=%d\n", This, ref);
1401
1402     if(!ref) {
1403         assert(!This->browser);
1404         heap_free(This);
1405     }
1406
1407     return ref;
1408 }
1409
1410 static nsresult NSAPI nsWeakReference_QueryReferent(nsIWeakReference *iface,
1411         const nsIID *riid, void **result)
1412 {
1413     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1414
1415     if(!This->browser)
1416         return NS_ERROR_NULL_POINTER;
1417
1418     return nsIWebBrowserChrome_QueryInterface(&This->browser->nsIWebBrowserChrome_iface, riid, result);
1419 }
1420
1421 static const nsIWeakReferenceVtbl nsWeakReferenceVtbl = {
1422     nsWeakReference_QueryInterface,
1423     nsWeakReference_AddRef,
1424     nsWeakReference_Release,
1425     nsWeakReference_QueryReferent
1426 };
1427
1428 /**********************************************************
1429  *      nsIWebBrowserChrome interface
1430  */
1431
1432 static inline GeckoBrowser *impl_from_nsIWebBrowserChrome(nsIWebBrowserChrome *iface)
1433 {
1434     return CONTAINING_RECORD(iface, GeckoBrowser, nsIWebBrowserChrome_iface);
1435 }
1436
1437 static nsresult NSAPI nsWebBrowserChrome_QueryInterface(nsIWebBrowserChrome *iface,
1438         nsIIDRef riid, void **result)
1439 {
1440     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1441
1442     *result = NULL;
1443     if(IsEqualGUID(&IID_nsISupports, riid)) {
1444         TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
1445         *result = &This->nsIWebBrowserChrome_iface;
1446     }else if(IsEqualGUID(&IID_nsIWebBrowserChrome, riid)) {
1447         TRACE("(%p)->(IID_nsIWebBrowserChrome, %p)\n", This, result);
1448         *result = &This->nsIWebBrowserChrome_iface;
1449     }else if(IsEqualGUID(&IID_nsIContextMenuListener, riid)) {
1450         TRACE("(%p)->(IID_nsIContextMenuListener, %p)\n", This, result);
1451         *result = &This->nsIContextMenuListener_iface;
1452     }else if(IsEqualGUID(&IID_nsIURIContentListener, riid)) {
1453         TRACE("(%p)->(IID_nsIURIContentListener %p)\n", This, result);
1454         *result = &This->nsIURIContentListener_iface;
1455     }else if(IsEqualGUID(&IID_nsIEmbeddingSiteWindow, riid)) {
1456         TRACE("(%p)->(IID_nsIEmbeddingSiteWindow %p)\n", This, result);
1457         *result = &This->nsIEmbeddingSiteWindow_iface;
1458     }else if(IsEqualGUID(&IID_nsITooltipListener, riid)) {
1459         TRACE("(%p)->(IID_nsITooltipListener %p)\n", This, result);
1460         *result = &This->nsITooltipListener_iface;
1461     }else if(IsEqualGUID(&IID_nsIInterfaceRequestor, riid)) {
1462         TRACE("(%p)->(IID_nsIInterfaceRequestor %p)\n", This, result);
1463         *result = &This->nsIInterfaceRequestor_iface;
1464     }else if(IsEqualGUID(&IID_nsISupportsWeakReference, riid)) {
1465         TRACE("(%p)->(IID_nsISupportsWeakReference %p)\n", This, result);
1466         *result = &This->nsISupportsWeakReference_iface;
1467     }
1468
1469     if(*result) {
1470         nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1471         return NS_OK;
1472     }
1473
1474     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
1475     return NS_NOINTERFACE;
1476 }
1477
1478 static nsrefcnt NSAPI nsWebBrowserChrome_AddRef(nsIWebBrowserChrome *iface)
1479 {
1480     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1481     LONG ref = InterlockedIncrement(&This->ref);
1482
1483     TRACE("(%p) ref=%d\n", This, ref);
1484
1485     return ref;
1486 }
1487
1488 static nsrefcnt NSAPI nsWebBrowserChrome_Release(nsIWebBrowserChrome *iface)
1489 {
1490     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1491     LONG ref = InterlockedDecrement(&This->ref);
1492
1493     TRACE("(%p) ref=%d\n", This, ref);
1494
1495     if(!ref) {
1496         if(This->doc)
1497             detach_gecko_browser(This);
1498         if(This->weak_reference) {
1499             This->weak_reference->browser = NULL;
1500             nsIWeakReference_Release(&This->weak_reference->nsIWeakReference_iface);
1501         }
1502         heap_free(This);
1503     }
1504
1505     return ref;
1506 }
1507
1508 static nsresult NSAPI nsWebBrowserChrome_SetStatus(nsIWebBrowserChrome *iface,
1509         UINT32 statusType, const PRUnichar *status)
1510 {
1511     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1512     TRACE("(%p)->(%d %s)\n", This, statusType, debugstr_w(status));
1513     return NS_OK;
1514 }
1515
1516 static nsresult NSAPI nsWebBrowserChrome_GetWebBrowser(nsIWebBrowserChrome *iface,
1517         nsIWebBrowser **aWebBrowser)
1518 {
1519     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1520
1521     TRACE("(%p)->(%p)\n", This, aWebBrowser);
1522
1523     if(!aWebBrowser)
1524         return NS_ERROR_INVALID_ARG;
1525
1526     if(This->webbrowser)
1527         nsIWebBrowser_AddRef(This->webbrowser);
1528     *aWebBrowser = This->webbrowser;
1529     return S_OK;
1530 }
1531
1532 static nsresult NSAPI nsWebBrowserChrome_SetWebBrowser(nsIWebBrowserChrome *iface,
1533         nsIWebBrowser *aWebBrowser)
1534 {
1535     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1536
1537     TRACE("(%p)->(%p)\n", This, aWebBrowser);
1538
1539     if(aWebBrowser != This->webbrowser)
1540         ERR("Wrong nsWebBrowser!\n");
1541
1542     return NS_OK;
1543 }
1544
1545 static nsresult NSAPI nsWebBrowserChrome_GetChromeFlags(nsIWebBrowserChrome *iface,
1546         UINT32 *aChromeFlags)
1547 {
1548     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1549     WARN("(%p)->(%p)\n", This, aChromeFlags);
1550     return NS_ERROR_NOT_IMPLEMENTED;
1551 }
1552
1553 static nsresult NSAPI nsWebBrowserChrome_SetChromeFlags(nsIWebBrowserChrome *iface,
1554         UINT32 aChromeFlags)
1555 {
1556     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1557     WARN("(%p)->(%08x)\n", This, aChromeFlags);
1558     return NS_ERROR_NOT_IMPLEMENTED;
1559 }
1560
1561 static nsresult NSAPI nsWebBrowserChrome_DestroyBrowserWindow(nsIWebBrowserChrome *iface)
1562 {
1563     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1564     TRACE("(%p)\n", This);
1565     return NS_ERROR_NOT_IMPLEMENTED;
1566 }
1567
1568 static nsresult NSAPI nsWebBrowserChrome_SizeBrowserTo(nsIWebBrowserChrome *iface,
1569         LONG aCX, LONG aCY)
1570 {
1571     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1572     WARN("(%p)->(%d %d)\n", This, aCX, aCY);
1573     return NS_ERROR_NOT_IMPLEMENTED;
1574 }
1575
1576 static nsresult NSAPI nsWebBrowserChrome_ShowAsModal(nsIWebBrowserChrome *iface)
1577 {
1578     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1579     WARN("(%p)\n", This);
1580     return NS_ERROR_NOT_IMPLEMENTED;
1581 }
1582
1583 static nsresult NSAPI nsWebBrowserChrome_IsWindowModal(nsIWebBrowserChrome *iface, cpp_bool *_retval)
1584 {
1585     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1586     WARN("(%p)->(%p)\n", This, _retval);
1587     return NS_ERROR_NOT_IMPLEMENTED;
1588 }
1589
1590 static nsresult NSAPI nsWebBrowserChrome_ExitModalEventLoop(nsIWebBrowserChrome *iface,
1591         nsresult aStatus)
1592 {
1593     GeckoBrowser *This = impl_from_nsIWebBrowserChrome(iface);
1594     WARN("(%p)->(%08x)\n", This, aStatus);
1595     return NS_ERROR_NOT_IMPLEMENTED;
1596 }
1597
1598 static const nsIWebBrowserChromeVtbl nsWebBrowserChromeVtbl = {
1599     nsWebBrowserChrome_QueryInterface,
1600     nsWebBrowserChrome_AddRef,
1601     nsWebBrowserChrome_Release,
1602     nsWebBrowserChrome_SetStatus,
1603     nsWebBrowserChrome_GetWebBrowser,
1604     nsWebBrowserChrome_SetWebBrowser,
1605     nsWebBrowserChrome_GetChromeFlags,
1606     nsWebBrowserChrome_SetChromeFlags,
1607     nsWebBrowserChrome_DestroyBrowserWindow,
1608     nsWebBrowserChrome_SizeBrowserTo,
1609     nsWebBrowserChrome_ShowAsModal,
1610     nsWebBrowserChrome_IsWindowModal,
1611     nsWebBrowserChrome_ExitModalEventLoop
1612 };
1613
1614 /**********************************************************
1615  *      nsIContextMenuListener interface
1616  */
1617
1618 static inline GeckoBrowser *impl_from_nsIContextMenuListener(nsIContextMenuListener *iface)
1619 {
1620     return CONTAINING_RECORD(iface, GeckoBrowser, nsIContextMenuListener_iface);
1621 }
1622
1623 static nsresult NSAPI nsContextMenuListener_QueryInterface(nsIContextMenuListener *iface,
1624         nsIIDRef riid, void **result)
1625 {
1626     GeckoBrowser *This = impl_from_nsIContextMenuListener(iface);
1627     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1628 }
1629
1630 static nsrefcnt NSAPI nsContextMenuListener_AddRef(nsIContextMenuListener *iface)
1631 {
1632     GeckoBrowser *This = impl_from_nsIContextMenuListener(iface);
1633     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1634 }
1635
1636 static nsrefcnt NSAPI nsContextMenuListener_Release(nsIContextMenuListener *iface)
1637 {
1638     GeckoBrowser *This = impl_from_nsIContextMenuListener(iface);
1639     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1640 }
1641
1642 static nsresult NSAPI nsContextMenuListener_OnShowContextMenu(nsIContextMenuListener *iface,
1643         UINT32 aContextFlags, nsIDOMEvent *aEvent, nsIDOMNode *aNode)
1644 {
1645     GeckoBrowser *This = impl_from_nsIContextMenuListener(iface);
1646     nsIDOMMouseEvent *mouse_event;
1647     HTMLDOMNode *node;
1648     DOMEvent *event;
1649     POINT pt;
1650     DWORD dwID = CONTEXT_MENU_DEFAULT;
1651     nsresult nsres;
1652     HRESULT hres;
1653
1654     TRACE("(%p)->(%08x %p %p)\n", This, aContextFlags, aEvent, aNode);
1655
1656     if (!aNode)
1657         return NS_ERROR_FAILURE;
1658
1659     hres = get_node(aNode, TRUE, &node);
1660     if(FAILED(hres))
1661         return NS_ERROR_FAILURE;
1662
1663     hres = create_event_from_nsevent(aEvent, dispex_compat_mode(&node->event_target.dispex), &event);
1664     if(SUCCEEDED(hres)) {
1665         dispatch_event(&node->event_target, event);
1666         IDOMEvent_Release(&event->IDOMEvent_iface);
1667     }
1668
1669     nsres = nsIDOMEvent_QueryInterface(aEvent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
1670     assert(NS_SUCCEEDED(nsres));
1671
1672     nsIDOMMouseEvent_GetScreenX(mouse_event, &pt.x);
1673     nsIDOMMouseEvent_GetScreenY(mouse_event, &pt.y);
1674     nsIDOMMouseEvent_Release(mouse_event);
1675
1676     switch(aContextFlags) {
1677     case CONTEXT_NONE:
1678     case CONTEXT_DOCUMENT:
1679     case CONTEXT_TEXT: {
1680         nsISelection *selection;
1681
1682         nsres = nsIDOMHTMLDocument_GetSelection(This->doc->basedoc.doc_node->nsdoc, &selection);
1683         if(NS_SUCCEEDED(nsres) && selection) {
1684             cpp_bool is_collapsed;
1685
1686             /* FIXME: Check if the click was inside selection. */
1687             nsres = nsISelection_GetIsCollapsed(selection, &is_collapsed);
1688             nsISelection_Release(selection);
1689             if(NS_SUCCEEDED(nsres) && !is_collapsed)
1690                 dwID = CONTEXT_MENU_TEXTSELECT;
1691         }
1692         break;
1693     }
1694     case CONTEXT_IMAGE:
1695     case CONTEXT_IMAGE|CONTEXT_LINK:
1696         dwID = CONTEXT_MENU_IMAGE;
1697         break;
1698     case CONTEXT_LINK:
1699         dwID = CONTEXT_MENU_ANCHOR;
1700         break;
1701     case CONTEXT_INPUT:
1702         dwID = CONTEXT_MENU_CONTROL;
1703         break;
1704     default:
1705         FIXME("aContextFlags=%08x\n", aContextFlags);
1706     };
1707
1708     show_context_menu(This->doc, dwID, &pt, (IDispatch*)&node->IHTMLDOMNode_iface);
1709     node_release(node);
1710     return NS_OK;
1711 }
1712
1713 static const nsIContextMenuListenerVtbl nsContextMenuListenerVtbl = {
1714     nsContextMenuListener_QueryInterface,
1715     nsContextMenuListener_AddRef,
1716     nsContextMenuListener_Release,
1717     nsContextMenuListener_OnShowContextMenu
1718 };
1719
1720 /**********************************************************
1721  *      nsIURIContentListener interface
1722  */
1723
1724 static inline GeckoBrowser *impl_from_nsIURIContentListener(nsIURIContentListener *iface)
1725 {
1726     return CONTAINING_RECORD(iface, GeckoBrowser, nsIURIContentListener_iface);
1727 }
1728
1729 static nsresult NSAPI nsURIContentListener_QueryInterface(nsIURIContentListener *iface,
1730         nsIIDRef riid, void **result)
1731 {
1732     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1733     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1734 }
1735
1736 static nsrefcnt NSAPI nsURIContentListener_AddRef(nsIURIContentListener *iface)
1737 {
1738     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1739     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1740 }
1741
1742 static nsrefcnt NSAPI nsURIContentListener_Release(nsIURIContentListener *iface)
1743 {
1744     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1745     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1746 }
1747
1748 static nsresult NSAPI nsURIContentListener_OnStartURIOpen(nsIURIContentListener *iface,
1749                                                           nsIURI *aURI, cpp_bool *_retval)
1750 {
1751     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1752     nsACString spec_str;
1753     const char *spec;
1754
1755     nsACString_Init(&spec_str, NULL);
1756     nsIURI_GetSpec(aURI, &spec_str);
1757     nsACString_GetData(&spec_str, &spec);
1758
1759     TRACE("(%p)->(%p(%s) %p)\n", This, aURI, debugstr_a(spec), _retval);
1760
1761     nsACString_Finish(&spec_str);
1762
1763     return This->content_listener
1764         ? nsIURIContentListener_OnStartURIOpen(This->content_listener, aURI, _retval)
1765         : NS_OK;
1766 }
1767
1768 static nsresult NSAPI nsURIContentListener_DoContent(nsIURIContentListener *iface,
1769         const nsACString *aContentType, cpp_bool aIsContentPreferred, nsIRequest *aRequest,
1770         nsIStreamListener **aContentHandler, cpp_bool *_retval)
1771 {
1772     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1773
1774     TRACE("(%p)->(%p %x %p %p %p)\n", This, aContentType, aIsContentPreferred,
1775             aRequest, aContentHandler, _retval);
1776
1777     return This->content_listener
1778         ? nsIURIContentListener_DoContent(This->content_listener, aContentType,
1779                   aIsContentPreferred, aRequest, aContentHandler, _retval)
1780         : NS_ERROR_NOT_IMPLEMENTED;
1781 }
1782
1783 static nsresult NSAPI nsURIContentListener_IsPreferred(nsIURIContentListener *iface,
1784         const char *aContentType, char **aDesiredContentType, cpp_bool *_retval)
1785 {
1786     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1787
1788     TRACE("(%p)->(%s %p %p)\n", This, debugstr_a(aContentType), aDesiredContentType, _retval);
1789
1790     /* FIXME: Should we do something here? */
1791     *_retval = TRUE;
1792
1793     return This->content_listener
1794         ? nsIURIContentListener_IsPreferred(This->content_listener, aContentType,
1795                   aDesiredContentType, _retval)
1796         : NS_OK;
1797 }
1798
1799 static nsresult NSAPI nsURIContentListener_CanHandleContent(nsIURIContentListener *iface,
1800         const char *aContentType, cpp_bool aIsContentPreferred, char **aDesiredContentType,
1801         cpp_bool *_retval)
1802 {
1803     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1804
1805     TRACE("(%p)->(%s %x %p %p)\n", This, debugstr_a(aContentType), aIsContentPreferred,
1806             aDesiredContentType, _retval);
1807
1808     return This->content_listener
1809         ? nsIURIContentListener_CanHandleContent(This->content_listener, aContentType,
1810                 aIsContentPreferred, aDesiredContentType, _retval)
1811         : NS_ERROR_NOT_IMPLEMENTED;
1812 }
1813
1814 static nsresult NSAPI nsURIContentListener_GetLoadCookie(nsIURIContentListener *iface,
1815         nsISupports **aLoadCookie)
1816 {
1817     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1818
1819     WARN("(%p)->(%p)\n", This, aLoadCookie);
1820
1821     return This->content_listener
1822         ? nsIURIContentListener_GetLoadCookie(This->content_listener, aLoadCookie)
1823         : NS_ERROR_NOT_IMPLEMENTED;
1824 }
1825
1826 static nsresult NSAPI nsURIContentListener_SetLoadCookie(nsIURIContentListener *iface,
1827         nsISupports *aLoadCookie)
1828 {
1829     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1830
1831     WARN("(%p)->(%p)\n", This, aLoadCookie);
1832
1833     return This->content_listener
1834         ? nsIURIContentListener_SetLoadCookie(This->content_listener, aLoadCookie)
1835         : NS_ERROR_NOT_IMPLEMENTED;
1836 }
1837
1838 static nsresult NSAPI nsURIContentListener_GetParentContentListener(nsIURIContentListener *iface,
1839         nsIURIContentListener **aParentContentListener)
1840 {
1841     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1842
1843     TRACE("(%p)->(%p)\n", This, aParentContentListener);
1844
1845     if(This->content_listener)
1846         nsIURIContentListener_AddRef(This->content_listener);
1847
1848     *aParentContentListener = This->content_listener;
1849     return NS_OK;
1850 }
1851
1852 static nsresult NSAPI nsURIContentListener_SetParentContentListener(nsIURIContentListener *iface,
1853         nsIURIContentListener *aParentContentListener)
1854 {
1855     GeckoBrowser *This = impl_from_nsIURIContentListener(iface);
1856
1857     TRACE("(%p)->(%p)\n", This, aParentContentListener);
1858
1859     if(aParentContentListener == &This->nsIURIContentListener_iface)
1860         return NS_OK;
1861
1862     if(This->content_listener)
1863         nsIURIContentListener_Release(This->content_listener);
1864
1865     This->content_listener = aParentContentListener;
1866     if(This->content_listener)
1867         nsIURIContentListener_AddRef(This->content_listener);
1868
1869     return NS_OK;
1870 }
1871
1872 static const nsIURIContentListenerVtbl nsURIContentListenerVtbl = {
1873     nsURIContentListener_QueryInterface,
1874     nsURIContentListener_AddRef,
1875     nsURIContentListener_Release,
1876     nsURIContentListener_OnStartURIOpen,
1877     nsURIContentListener_DoContent,
1878     nsURIContentListener_IsPreferred,
1879     nsURIContentListener_CanHandleContent,
1880     nsURIContentListener_GetLoadCookie,
1881     nsURIContentListener_SetLoadCookie,
1882     nsURIContentListener_GetParentContentListener,
1883     nsURIContentListener_SetParentContentListener
1884 };
1885
1886 /**********************************************************
1887  *      nsIEmbeddinSiteWindow interface
1888  */
1889
1890 static inline GeckoBrowser *impl_from_nsIEmbeddingSiteWindow(nsIEmbeddingSiteWindow *iface)
1891 {
1892     return CONTAINING_RECORD(iface, GeckoBrowser, nsIEmbeddingSiteWindow_iface);
1893 }
1894
1895 static nsresult NSAPI nsEmbeddingSiteWindow_QueryInterface(nsIEmbeddingSiteWindow *iface,
1896         nsIIDRef riid, void **result)
1897 {
1898     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1899     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1900 }
1901
1902 static nsrefcnt NSAPI nsEmbeddingSiteWindow_AddRef(nsIEmbeddingSiteWindow *iface)
1903 {
1904     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1905     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1906 }
1907
1908 static nsrefcnt NSAPI nsEmbeddingSiteWindow_Release(nsIEmbeddingSiteWindow *iface)
1909 {
1910     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1911     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1912 }
1913
1914 static nsresult NSAPI nsEmbeddingSiteWindow_SetDimensions(nsIEmbeddingSiteWindow *iface,
1915         UINT32 flags, LONG x, LONG y, LONG cx, LONG cy)
1916 {
1917     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1918     WARN("(%p)->(%08x %d %d %d %d)\n", This, flags, x, y, cx, cy);
1919     return NS_ERROR_NOT_IMPLEMENTED;
1920 }
1921
1922 static nsresult NSAPI nsEmbeddingSiteWindow_GetDimensions(nsIEmbeddingSiteWindow *iface,
1923         UINT32 flags, LONG *x, LONG *y, LONG *cx, LONG *cy)
1924 {
1925     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1926     RECT r;
1927
1928     TRACE("(%p)->(%x %p %p %p %p)\n", This, flags, x, y, cx, cy);
1929
1930     if(!GetWindowRect(This->hwnd, &r)) {
1931         ERR("GetWindowRect failed\n");
1932         return NS_ERROR_FAILURE;
1933     }
1934
1935     if(x)
1936         *x = r.left;
1937     if(y)
1938         *y = r.top;
1939     if(cx)
1940         *cx = r.right-r.left;
1941     if(cy)
1942         *cy = r.bottom-r.top;
1943     return NS_OK;
1944 }
1945
1946 static nsresult NSAPI nsEmbeddingSiteWindow_SetFocus(nsIEmbeddingSiteWindow *iface)
1947 {
1948     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1949
1950     TRACE("(%p)\n", This);
1951
1952     return nsIBaseWindow_SetFocus(This->window);
1953 }
1954
1955 static nsresult NSAPI nsEmbeddingSiteWindow_GetVisibility(nsIEmbeddingSiteWindow *iface,
1956         cpp_bool *aVisibility)
1957 {
1958     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1959
1960     TRACE("(%p)->(%p)\n", This, aVisibility);
1961
1962     *aVisibility = This->doc && This->doc->hwnd && IsWindowVisible(This->doc->hwnd);
1963     return NS_OK;
1964 }
1965
1966 static nsresult NSAPI nsEmbeddingSiteWindow_SetVisibility(nsIEmbeddingSiteWindow *iface,
1967         cpp_bool aVisibility)
1968 {
1969     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1970
1971     TRACE("(%p)->(%x)\n", This, aVisibility);
1972
1973     return NS_OK;
1974 }
1975
1976 static nsresult NSAPI nsEmbeddingSiteWindow_GetTitle(nsIEmbeddingSiteWindow *iface,
1977         PRUnichar **aTitle)
1978 {
1979     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1980     WARN("(%p)->(%p)\n", This, aTitle);
1981     return NS_ERROR_NOT_IMPLEMENTED;
1982 }
1983
1984 static nsresult NSAPI nsEmbeddingSiteWindow_SetTitle(nsIEmbeddingSiteWindow *iface,
1985         const PRUnichar *aTitle)
1986 {
1987     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1988     WARN("(%p)->(%s)\n", This, debugstr_w(aTitle));
1989     return NS_ERROR_NOT_IMPLEMENTED;
1990 }
1991
1992 static nsresult NSAPI nsEmbeddingSiteWindow_GetSiteWindow(nsIEmbeddingSiteWindow *iface,
1993         void **aSiteWindow)
1994 {
1995     GeckoBrowser *This = impl_from_nsIEmbeddingSiteWindow(iface);
1996
1997     TRACE("(%p)->(%p)\n", This, aSiteWindow);
1998
1999     *aSiteWindow = This->hwnd;
2000     return NS_OK;
2001 }
2002
2003 static const nsIEmbeddingSiteWindowVtbl nsEmbeddingSiteWindowVtbl = {
2004     nsEmbeddingSiteWindow_QueryInterface,
2005     nsEmbeddingSiteWindow_AddRef,
2006     nsEmbeddingSiteWindow_Release,
2007     nsEmbeddingSiteWindow_SetDimensions,
2008     nsEmbeddingSiteWindow_GetDimensions,
2009     nsEmbeddingSiteWindow_SetFocus,
2010     nsEmbeddingSiteWindow_GetVisibility,
2011     nsEmbeddingSiteWindow_SetVisibility,
2012     nsEmbeddingSiteWindow_GetTitle,
2013     nsEmbeddingSiteWindow_SetTitle,
2014     nsEmbeddingSiteWindow_GetSiteWindow
2015 };
2016
2017 static inline GeckoBrowser *impl_from_nsITooltipListener(nsITooltipListener *iface)
2018 {
2019     return CONTAINING_RECORD(iface, GeckoBrowser, nsITooltipListener_iface);
2020 }
2021
2022 static nsresult NSAPI nsTooltipListener_QueryInterface(nsITooltipListener *iface, nsIIDRef riid,
2023         void **result)
2024 {
2025     GeckoBrowser *This = impl_from_nsITooltipListener(iface);
2026     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
2027 }
2028
2029 static nsrefcnt NSAPI nsTooltipListener_AddRef(nsITooltipListener *iface)
2030 {
2031     GeckoBrowser *This = impl_from_nsITooltipListener(iface);
2032     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
2033 }
2034
2035 static nsrefcnt NSAPI nsTooltipListener_Release(nsITooltipListener *iface)
2036 {
2037     GeckoBrowser *This = impl_from_nsITooltipListener(iface);
2038     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
2039 }
2040
2041 static nsresult NSAPI nsTooltipListener_OnShowTooltip(nsITooltipListener *iface,
2042         LONG aXCoord, LONG aYCoord, const PRUnichar *aTipText)
2043 {
2044     GeckoBrowser *This = impl_from_nsITooltipListener(iface);
2045
2046     if (This->doc)
2047         show_tooltip(This->doc, aXCoord, aYCoord, aTipText);
2048
2049     return NS_OK;
2050 }
2051
2052 static nsresult NSAPI nsTooltipListener_OnHideTooltip(nsITooltipListener *iface)
2053 {
2054     GeckoBrowser *This = impl_from_nsITooltipListener(iface);
2055
2056     if (This->doc)
2057         hide_tooltip(This->doc);
2058
2059     return NS_OK;
2060 }
2061
2062 static const nsITooltipListenerVtbl nsTooltipListenerVtbl = {
2063     nsTooltipListener_QueryInterface,
2064     nsTooltipListener_AddRef,
2065     nsTooltipListener_Release,
2066     nsTooltipListener_OnShowTooltip,
2067     nsTooltipListener_OnHideTooltip
2068 };
2069
2070 static inline GeckoBrowser *impl_from_nsIInterfaceRequestor(nsIInterfaceRequestor *iface)
2071 {
2072     return CONTAINING_RECORD(iface, GeckoBrowser, nsIInterfaceRequestor_iface);
2073 }
2074
2075 static nsresult NSAPI nsInterfaceRequestor_QueryInterface(nsIInterfaceRequestor *iface,
2076         nsIIDRef riid, void **result)
2077 {
2078     GeckoBrowser *This = impl_from_nsIInterfaceRequestor(iface);
2079     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
2080 }
2081
2082 static nsrefcnt NSAPI nsInterfaceRequestor_AddRef(nsIInterfaceRequestor *iface)
2083 {
2084     GeckoBrowser *This = impl_from_nsIInterfaceRequestor(iface);
2085     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
2086 }
2087
2088 static nsrefcnt NSAPI nsInterfaceRequestor_Release(nsIInterfaceRequestor *iface)
2089 {
2090     GeckoBrowser *This = impl_from_nsIInterfaceRequestor(iface);
2091     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
2092 }
2093
2094 static nsresult NSAPI nsInterfaceRequestor_GetInterface(nsIInterfaceRequestor *iface,
2095         nsIIDRef riid, void **result)
2096 {
2097     GeckoBrowser *This = impl_from_nsIInterfaceRequestor(iface);
2098
2099     if(IsEqualGUID(&IID_mozIDOMWindowProxy, riid)) {
2100         TRACE("(%p)->(IID_nsIDOMWindow %p)\n", This, result);
2101         return nsIWebBrowser_GetContentDOMWindow(This->webbrowser, (mozIDOMWindowProxy**)result);
2102     }
2103
2104     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
2105 }
2106
2107 static const nsIInterfaceRequestorVtbl nsInterfaceRequestorVtbl = {
2108     nsInterfaceRequestor_QueryInterface,
2109     nsInterfaceRequestor_AddRef,
2110     nsInterfaceRequestor_Release,
2111     nsInterfaceRequestor_GetInterface
2112 };
2113
2114 static inline GeckoBrowser *impl_from_nsISupportsWeakReference(nsISupportsWeakReference *iface)
2115 {
2116     return CONTAINING_RECORD(iface, GeckoBrowser, nsISupportsWeakReference_iface);
2117 }
2118
2119 static nsresult NSAPI nsSupportsWeakReference_QueryInterface(nsISupportsWeakReference *iface,
2120         nsIIDRef riid, void **result)
2121 {
2122     GeckoBrowser *This = impl_from_nsISupportsWeakReference(iface);
2123     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
2124 }
2125
2126 static nsrefcnt NSAPI nsSupportsWeakReference_AddRef(nsISupportsWeakReference *iface)
2127 {
2128     GeckoBrowser *This = impl_from_nsISupportsWeakReference(iface);
2129     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
2130 }
2131
2132 static nsrefcnt NSAPI nsSupportsWeakReference_Release(nsISupportsWeakReference *iface)
2133 {
2134     GeckoBrowser *This = impl_from_nsISupportsWeakReference(iface);
2135     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
2136 }
2137
2138 static nsresult NSAPI nsSupportsWeakReference_GetWeakReference(nsISupportsWeakReference *iface,
2139         nsIWeakReference **_retval)
2140 {
2141     GeckoBrowser *This = impl_from_nsISupportsWeakReference(iface);
2142
2143     TRACE("(%p)->(%p)\n", This, _retval);
2144
2145     if(!This->weak_reference) {
2146         This->weak_reference = heap_alloc(sizeof(nsWeakReference));
2147         if(!This->weak_reference)
2148             return NS_ERROR_OUT_OF_MEMORY;
2149
2150         This->weak_reference->nsIWeakReference_iface.lpVtbl = &nsWeakReferenceVtbl;
2151         This->weak_reference->ref = 1;
2152         This->weak_reference->browser = This;
2153     }
2154
2155     *_retval = &This->weak_reference->nsIWeakReference_iface;
2156     nsIWeakReference_AddRef(*_retval);
2157     return NS_OK;
2158 }
2159
2160 static const nsISupportsWeakReferenceVtbl nsSupportsWeakReferenceVtbl = {
2161     nsSupportsWeakReference_QueryInterface,
2162     nsSupportsWeakReference_AddRef,
2163     nsSupportsWeakReference_Release,
2164     nsSupportsWeakReference_GetWeakReference
2165 };
2166
2167 static HRESULT init_browser(GeckoBrowser *browser)
2168 {
2169     mozIDOMWindowProxy *mozwindow;
2170     nsIWebBrowserSetup *wbsetup;
2171     nsIScrollable *scrollable;
2172     nsresult nsres;
2173     HRESULT hres;
2174
2175     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr, NS_WEBBROWSER_CONTRACTID,
2176             NULL, &IID_nsIWebBrowser, (void**)&browser->webbrowser);
2177     if(NS_FAILED(nsres)) {
2178         ERR("Creating WebBrowser failed: %08x\n", nsres);
2179         return E_FAIL;
2180     }
2181
2182     nsres = nsIWebBrowser_SetContainerWindow(browser->webbrowser, &browser->nsIWebBrowserChrome_iface);
2183     if(NS_FAILED(nsres)) {
2184         ERR("SetContainerWindow failed: %08x\n", nsres);
2185         return E_FAIL;
2186     }
2187
2188     nsres = nsIWebBrowser_QueryInterface(browser->webbrowser, &IID_nsIBaseWindow,
2189             (void**)&browser->window);
2190     if(NS_FAILED(nsres)) {
2191         ERR("Could not get nsIBaseWindow interface: %08x\n", nsres);
2192         return E_FAIL;
2193     }
2194
2195     nsres = nsIWebBrowser_QueryInterface(browser->webbrowser, &IID_nsIWebBrowserSetup,
2196                                          (void**)&wbsetup);
2197     if(NS_SUCCEEDED(nsres)) {
2198         nsres = nsIWebBrowserSetup_SetProperty(wbsetup, SETUP_IS_CHROME_WRAPPER, FALSE);
2199         nsIWebBrowserSetup_Release(wbsetup);
2200         if(NS_FAILED(nsres)) {
2201             ERR("SetProperty(SETUP_IS_CHROME_WRAPPER) failed: %08x\n", nsres);
2202             return E_FAIL;
2203         }
2204     }else {
2205         ERR("Could not get nsIWebBrowserSetup interface\n");
2206         return E_FAIL;
2207     }
2208
2209     nsres = nsIWebBrowser_QueryInterface(browser->webbrowser, &IID_nsIWebNavigation,
2210             (void**)&browser->navigation);
2211     if(NS_FAILED(nsres)) {
2212         ERR("Could not get nsIWebNavigation interface: %08x\n", nsres);
2213         return E_FAIL;
2214     }
2215
2216     nsres = nsIWebBrowser_QueryInterface(browser->webbrowser, &IID_nsIWebBrowserFocus,
2217             (void**)&browser->focus);
2218     if(NS_FAILED(nsres)) {
2219         ERR("Could not get nsIWebBrowserFocus interface: %08x\n", nsres);
2220         return E_FAIL;
2221     }
2222
2223     if(!browser_class) {
2224         register_browser_class();
2225         if(!browser_class)
2226             return E_FAIL;
2227     }
2228
2229     browser->hwnd = CreateWindowExW(0, L"NsContainer", NULL,
2230             WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 0, 0, 100, 100,
2231             GetDesktopWindow(), NULL, hInst, browser);
2232     if(!browser->hwnd) {
2233         WARN("Could not create window\n");
2234         return E_FAIL;
2235     }
2236
2237     nsres = nsIBaseWindow_InitWindow(browser->window, browser->hwnd, NULL, 0, 0, 100, 100);
2238     if(NS_SUCCEEDED(nsres)) {
2239         nsres = nsIBaseWindow_Create(browser->window);
2240         if(NS_FAILED(nsres)) {
2241             WARN("Creating window failed: %08x\n", nsres);
2242             return E_FAIL;
2243         }
2244
2245         nsIBaseWindow_SetVisibility(browser->window, FALSE);
2246         nsIBaseWindow_SetEnabled(browser->window, FALSE);
2247     }else {
2248         ERR("InitWindow failed: %08x\n", nsres);
2249         return E_FAIL;
2250     }
2251
2252     nsres = nsIWebBrowser_SetParentURIContentListener(browser->webbrowser,
2253             &browser->nsIURIContentListener_iface);
2254     if(NS_FAILED(nsres))
2255         ERR("SetParentURIContentListener failed: %08x\n", nsres);
2256
2257     nsres = nsIWebBrowser_QueryInterface(browser->webbrowser, &IID_nsIScrollable, (void**)&scrollable);
2258     if(NS_SUCCEEDED(nsres)) {
2259         nsres = nsIScrollable_SetDefaultScrollbarPreferences(scrollable,
2260                 ScrollOrientation_Y, Scrollbar_Always);
2261         if(NS_FAILED(nsres))
2262             ERR("Could not set default Y scrollbar prefs: %08x\n", nsres);
2263
2264         nsres = nsIScrollable_SetDefaultScrollbarPreferences(scrollable,
2265                 ScrollOrientation_X, Scrollbar_Auto);
2266         if(NS_FAILED(nsres))
2267             ERR("Could not set default X scrollbar prefs: %08x\n", nsres);
2268
2269         nsIScrollable_Release(scrollable);
2270     }else {
2271         ERR("Could not get nsIScrollable: %08x\n", nsres);
2272     }
2273
2274     nsres = nsIWebBrowser_GetContentDOMWindow(browser->webbrowser, &mozwindow);
2275     if(NS_FAILED(nsres)) {
2276         ERR("GetContentDOMWindow failed: %08x\n", nsres);
2277         return E_FAIL;
2278     }
2279
2280     hres = create_outer_window(browser, mozwindow, NULL, &browser->content_window);
2281     mozIDOMWindowProxy_Release(mozwindow);
2282     return hres;
2283 }
2284
2285 HRESULT create_gecko_browser(HTMLDocumentObj *doc, GeckoBrowser **_ret)
2286 {
2287     GeckoBrowser *ret;
2288     HRESULT hres;
2289
2290     if(!load_gecko())
2291         return CLASS_E_CLASSNOTAVAILABLE;
2292
2293     ret = heap_alloc_zero(sizeof(GeckoBrowser));
2294     if(!ret)
2295         return E_OUTOFMEMORY;
2296
2297     ret->nsIWebBrowserChrome_iface.lpVtbl = &nsWebBrowserChromeVtbl;
2298     ret->nsIContextMenuListener_iface.lpVtbl = &nsContextMenuListenerVtbl;
2299     ret->nsIURIContentListener_iface.lpVtbl = &nsURIContentListenerVtbl;
2300     ret->nsIEmbeddingSiteWindow_iface.lpVtbl = &nsEmbeddingSiteWindowVtbl;
2301     ret->nsITooltipListener_iface.lpVtbl = &nsTooltipListenerVtbl;
2302     ret->nsIInterfaceRequestor_iface.lpVtbl = &nsInterfaceRequestorVtbl;
2303     ret->nsISupportsWeakReference_iface.lpVtbl = &nsSupportsWeakReferenceVtbl;
2304
2305     ret->doc = doc;
2306     ret->ref = 1;
2307     ret->script_mode = SCRIPTMODE_ACTIVESCRIPT;
2308     ret->usermode = UNKNOWN_USERMODE;
2309     list_init(&ret->document_nodes);
2310     list_init(&ret->outer_windows);
2311
2312     hres = init_browser(ret);
2313     if(SUCCEEDED(hres))
2314         *_ret = ret;
2315     else
2316         nsIWebBrowserChrome_Release(&ret->nsIWebBrowserChrome_iface);
2317     return hres;
2318 }
2319
2320 void detach_gecko_browser(GeckoBrowser *This)
2321 {
2322     nsIDOMWindowUtils *window_utils = NULL;
2323
2324     TRACE("(%p)\n", This);
2325
2326     This->doc = NULL;
2327
2328     if(This->content_window) {
2329         get_nsinterface((nsISupports*)This->content_window->nswindow, &IID_nsIDOMWindowUtils, (void**)&window_utils);
2330
2331         IHTMLWindow2_Release(&This->content_window->base.IHTMLWindow2_iface);
2332         This->content_window = NULL;
2333     }
2334
2335     while(!list_empty(&This->document_nodes)) {
2336         HTMLDocumentNode *doc = LIST_ENTRY(list_head(&This->document_nodes), HTMLDocumentNode, browser_entry);
2337         detach_document_node(doc);
2338     }
2339
2340     while(!list_empty(&This->outer_windows)) {
2341         HTMLOuterWindow *window = LIST_ENTRY(list_head(&This->outer_windows), HTMLOuterWindow, browser_entry);
2342         list_remove(&window->browser_entry);
2343         window->browser = NULL;
2344     }
2345
2346     ShowWindow(This->hwnd, SW_HIDE);
2347     SetParent(This->hwnd, NULL);
2348
2349     nsIBaseWindow_SetVisibility(This->window, FALSE);
2350     nsIBaseWindow_Destroy(This->window);
2351
2352     nsIWebBrowser_SetContainerWindow(This->webbrowser, NULL);
2353
2354     nsIWebBrowser_Release(This->webbrowser);
2355     This->webbrowser = NULL;
2356
2357     nsIWebNavigation_Release(This->navigation);
2358     This->navigation = NULL;
2359
2360     nsIBaseWindow_Release(This->window);
2361     This->window = NULL;
2362
2363     nsIWebBrowserFocus_Release(This->focus);
2364     This->focus = NULL;
2365
2366     if(This->editor_controller) {
2367         nsIController_Release(This->editor_controller);
2368         This->editor_controller = NULL;
2369     }
2370
2371     if(This->editor) {
2372         nsIEditor_Release(This->editor);
2373         This->editor = NULL;
2374     }
2375
2376     if(This->content_listener) {
2377         nsIURIContentListener_Release(This->content_listener);
2378         This->content_listener = NULL;
2379     }
2380
2381     if(This->hwnd) {
2382         DestroyWindow(This->hwnd);
2383         This->hwnd = NULL;
2384     }
2385
2386     nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
2387
2388     /* Force cycle collection */
2389     if(window_utils) {
2390         nsIDOMWindowUtils_CycleCollect(window_utils, NULL, 0);
2391         nsIDOMWindowUtils_Release(window_utils);
2392     }
2393 }
2394
2395 /*
2396  * FIXME: nsIScriptObjectPrincipal uses thiscall calling convention, so we need this hack on i386.
2397  * This will be removed after the next Gecko update, that will change calling convention on Gecko side.
2398  */
2399 #ifdef __i386__
2400 __ASM_GLOBAL_FUNC(call_thiscall_func,
2401         "popl %eax\n\t"
2402         "popl %edx\n\t"
2403         "popl %ecx\n\t"
2404         "pushl %eax\n\t"
2405         "jmp *%edx\n\t")
2406 #define nsIScriptObjectPrincipal_GetPrincipal(this) ((void* (WINAPI*)(void*,void*))&call_thiscall_func)((this)->lpVtbl->GetPrincipal,this)
2407 #endif
2408
2409 nsIXMLHttpRequest *create_nsxhr(nsIDOMWindow *nswindow)
2410 {
2411     nsIScriptObjectPrincipal *sop;
2412     mozIDOMWindow *inner_window;
2413     nsIPrincipal *nspri;
2414     nsIGlobalObject *nsglo;
2415     nsIXMLHttpRequest *nsxhr;
2416     nsresult nsres;
2417
2418     nsres = nsIDOMWindow_GetInnerWindow(nswindow, &inner_window);
2419     if(NS_FAILED(nsres)) {
2420         ERR("Could not get inner window: %08x\n", nsres);
2421         return NULL;
2422     }
2423
2424     nsres = mozIDOMWindow_QueryInterface(inner_window, &IID_nsIGlobalObject, (void **)&nsglo);
2425     mozIDOMWindow_Release(inner_window);
2426     assert(nsres == NS_OK);
2427
2428     nsres = nsIGlobalObject_QueryInterface(nsglo, &IID_nsIScriptObjectPrincipal, (void**)&sop);
2429     assert(nsres == NS_OK);
2430
2431     nspri = nsIScriptObjectPrincipal_GetPrincipal(sop);
2432     nsIScriptObjectPrincipal_Release(sop);
2433
2434     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
2435             NS_XMLHTTPREQUEST_CONTRACTID, NULL, &IID_nsIXMLHttpRequest,
2436             (void**)&nsxhr);
2437     if(NS_SUCCEEDED(nsres)) {
2438         nsres = nsIXMLHttpRequest_Init(nsxhr, nspri, NULL, nsglo, NULL, NULL);
2439         if(NS_FAILED(nsres))
2440             nsIXMLHttpRequest_Release(nsxhr);
2441     }
2442     nsISupports_Release(nspri);
2443     nsIGlobalObject_Release(nsglo);
2444     if(NS_FAILED(nsres)) {
2445         ERR("nsIXMLHttpRequest_Init failed: %08x\n", nsres);
2446         return NULL;
2447     }
2448
2449     return nsxhr;
2450 }