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 "config.h"
  20
  21 #include <stdarg.h>
  22 #include <assert.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "ole2.h"
  31 #include "shlobj.h"
  32 #include "shlwapi.h"
  33
  34 #include "wine/debug.h"
  35
  36 #include "mshtml_private.h"
  37 #include "htmlevent.h"
  38 #include "binding.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  41 WINE_DECLARE_DEBUG_CHANNEL(gecko);
  42
  43 #define NS_APPSTARTUPNOTIFIER_CONTRACTID "@mozilla.org/embedcomp/appstartup-notifier;1"
  44 #define NS_WEBBROWSER_CONTRACTID "@mozilla.org/embedding/browser/nsWebBrowser;1"
  45 #define NS_COMMANDPARAMS_CONTRACTID "@mozilla.org/embedcomp/command-params;1"
  46 #define NS_HTMLSERIALIZER_CONTRACTID "@mozilla.org/layout/contentserializer;1?mimetype=text/html"
  47 #define NS_EDITORCONTROLLER_CONTRACTID "@mozilla.org/editor/editorcontroller;1"
  48 #define NS_PREFERENCES_CONTRACTID "@mozilla.org/preferences;1"
  49 #define NS_VARIANT_CONTRACTID "@mozilla.org/variant;1"
  50 #define NS_CATEGORYMANAGER_CONTRACTID "@mozilla.org/categorymanager;1"
  51 #define NS_XMLHTTPREQUEST_CONTRACTID "@mozilla.org/xmlextras/xmlhttprequest;1"
  52
  53 #define PR_UINT32_MAX 0xffffffff
  54
  55 #define NS_STRING_CONTAINER_INIT_DEPEND  0x0002
  56 #define NS_CSTRING_CONTAINER_INIT_DEPEND 0x0002
  57
  58 typedef UINT32 PRUint32;
  59
  60 static nsresult (CDECL *NS_InitXPCOM2)(nsIServiceManager**,void*,void*);
  61 static nsresult (CDECL *NS_ShutdownXPCOM)(nsIServiceManager*);
  62 static nsresult (CDECL *NS_GetComponentRegistrar)(nsIComponentRegistrar**);
  63 static nsresult (CDECL *NS_StringContainerInit2)(nsStringContainer*,const PRUnichar*,PRUint32,PRUint32);
  64 static nsresult (CDECL *NS_CStringContainerInit2)(nsCStringContainer*,const char*,PRUint32,PRUint32);
  65 static nsresult (CDECL *NS_StringContainerFinish)(nsStringContainer*);
  66 static nsresult (CDECL *NS_CStringContainerFinish)(nsCStringContainer*);
  67 static nsresult (CDECL *NS_StringSetData)(nsAString*,const PRUnichar*,PRUint32);
  68 static nsresult (CDECL *NS_CStringSetData)(nsACString*,const char*,PRUint32);
  69 static nsresult (CDECL *NS_NewLocalFile)(const nsAString*,cpp_bool,nsIFile**);
  70 static PRUint32 (CDECL *NS_StringGetData)(const nsAString*,const PRUnichar **,cpp_bool*);
  71 static PRUint32 (CDECL *NS_CStringGetData)(const nsACString*,const char**,cpp_bool*);
  72 static cpp_bool (CDECL *NS_StringGetIsVoid)(const nsAString*);
  73 static void* (CDECL *NS_Alloc)(SIZE_T);
  74 static void (CDECL *NS_Free)(void*);
  75
  76 static HINSTANCE xul_handle = NULL;
  77
  78 static nsIServiceManager *pServMgr = NULL;
  79 static nsIComponentManager *pCompMgr = NULL;
  80 static nsICategoryManager *cat_mgr;
  81 static nsIFile *profile_directory, *plugin_directory;
  82
  83 static const WCHAR wszNsContainer[] = {'N','s','C','o','n','t','a','i','n','e','r',0};
  84
  85 static ATOM nscontainer_class;
  86 static WCHAR gecko_path[MAX_PATH];
  87 static unsigned gecko_path_len;
  88
  89 nsresult create_nsfile(const PRUnichar *path, nsIFile **ret)
  90 {
  91     nsAString str;
  92     nsresult nsres;
  93
  94     nsAString_InitDepend(&str, path);
  95     nsres = NS_NewLocalFile(&str, FALSE, ret);
  96     nsAString_Finish(&str);
  97
  98     if(NS_FAILED(nsres))
  99         WARN("NS_NewLocalFile failed: %08x\n", nsres);
 100     return nsres;
 101 }
 102
 103 typedef struct {
 104     nsISimpleEnumerator nsISimpleEnumerator_iface;
 105     LONG ref;
 106     nsISupports *value;
 107 } nsSingletonEnumerator;
 108
 109 static inline nsSingletonEnumerator *impl_from_nsISimpleEnumerator(nsISimpleEnumerator *iface)
 110 {
 111     return CONTAINING_RECORD(iface, nsSingletonEnumerator, nsISimpleEnumerator_iface);
 112 }
 113
 114 static nsresult NSAPI nsSingletonEnumerator_QueryInterface(nsISimpleEnumerator *iface, nsIIDRef riid, void **ppv)
 115 {
 116     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 117
 118     if(IsEqualGUID(&IID_nsISupports, riid)) {
 119         TRACE("(%p)->(IID_nsISupports %p)\n", This, ppv);
 120         *ppv = &This->nsISimpleEnumerator_iface;
 121     }else if(IsEqualGUID(&IID_nsISimpleEnumerator, riid)) {
 122         TRACE("(%p)->(IID_nsISimpleEnumerator %p)\n", This, ppv);
 123         *ppv = &This->nsISimpleEnumerator_iface;
 124     }else {
 125         TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 126         *ppv = NULL;
 127         return NS_NOINTERFACE;
 128     }
 129
 130     nsISupports_AddRef((nsISupports*)*ppv);
 131     return NS_OK;
 132 }
 133
 134 static nsrefcnt NSAPI nsSingletonEnumerator_AddRef(nsISimpleEnumerator *iface)
 135 {
 136     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 137     nsrefcnt ref = InterlockedIncrement(&This->ref);
 138
 139     TRACE("(%p) ref=%d\n", This, ref);
 140
 141     return ref;
 142 }
 143
 144 static nsrefcnt NSAPI nsSingletonEnumerator_Release(nsISimpleEnumerator *iface)
 145 {
 146     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 147     nsrefcnt ref = InterlockedDecrement(&This->ref);
 148
 149     TRACE("(%p) ref=%d\n", This, ref);
 150
 151     if(!ref) {
 152         if(This->value)
 153             nsISupports_Release(This->value);
 154         heap_free(This);
 155     }
 156
 157     return ref;
 158 }
 159
 160 static nsresult NSAPI nsSingletonEnumerator_HasMoreElements(nsISimpleEnumerator *iface, cpp_bool *_retval)
 161 {
 162     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 163
 164     TRACE("(%p)->()\n", This);
 165
 166     *_retval = This->value != NULL;
 167     return NS_OK;
 168 }
 169
 170 static nsresult NSAPI nsSingletonEnumerator_GetNext(nsISimpleEnumerator *iface, nsISupports **_retval)
 171 {
 172     nsSingletonEnumerator *This = impl_from_nsISimpleEnumerator(iface);
 173
 174     TRACE("(%p)->()\n", This);
 175
 176     if(!This->value)
 177         return NS_ERROR_UNEXPECTED;
 178
 179     *_retval = This->value;
 180     This->value = NULL;
 181     return NS_OK;
 182 }
 183
 184 static const nsISimpleEnumeratorVtbl nsSingletonEnumeratorVtbl = {
 185     nsSingletonEnumerator_QueryInterface,
 186     nsSingletonEnumerator_AddRef,
 187     nsSingletonEnumerator_Release,
 188     nsSingletonEnumerator_HasMoreElements,
 189     nsSingletonEnumerator_GetNext
 190 };
 191
 192 static nsISimpleEnumerator *create_singleton_enumerator(nsISupports *value)
 193 {
 194     nsSingletonEnumerator *ret;
 195
 196     ret = heap_alloc(sizeof(*ret));
 197     if(!ret)
 198         return NULL;
 199
 200     ret->nsISimpleEnumerator_iface.lpVtbl = &nsSingletonEnumeratorVtbl;
 201     ret->ref = 1;
 202
 203     if(value)
 204         nsISupports_AddRef(value);
 205     ret->value = value;
 206     return &ret->nsISimpleEnumerator_iface;
 207 }
 208
 209 static nsresult NSAPI nsDirectoryServiceProvider2_QueryInterface(nsIDirectoryServiceProvider2 *iface,
 210         nsIIDRef riid, void **result)
 211 {
 212     if(IsEqualGUID(&IID_nsISupports, riid)) {
 213         TRACE("(IID_nsISupports %p)\n", result);
 214         *result = iface;
 215     }else if(IsEqualGUID(&IID_nsIDirectoryServiceProvider, riid)) {
 216         TRACE("(IID_nsIDirectoryServiceProvider %p)\n", result);
 217         *result = iface;
 218     }else if(IsEqualGUID(&IID_nsIDirectoryServiceProvider2, riid)) {
 219         TRACE("(IID_nsIDirectoryServiceProvider2 %p)\n", result);
 220         *result = iface;
 221     }else {
 222         WARN("(%s %p)\n", debugstr_guid(riid), result);
 223         *result = NULL;
 224         return NS_NOINTERFACE;
 225     }
 226
 227     nsISupports_AddRef((nsISupports*)*result);
 228     return NS_OK;
 229 }
 230
 231 static nsrefcnt NSAPI nsDirectoryServiceProvider2_AddRef(nsIDirectoryServiceProvider2 *iface)
 232 {
 233     return 2;
 234 }
 235
 236 static nsrefcnt NSAPI nsDirectoryServiceProvider2_Release(nsIDirectoryServiceProvider2 *iface)
 237 {
 238     return 1;
 239 }
 240
 241 static nsresult create_profile_directory(void)
 242 {
 243     static const WCHAR wine_geckoW[] = {'\\','w','i','n','e','_','g','e','c','k','o',0};
 244
 245     WCHAR path[MAX_PATH + ARRAY_SIZE(wine_geckoW)];
 246     cpp_bool exists;
 247     nsresult nsres;
 248     HRESULT hres;
 249
 250     hres = SHGetFolderPathW(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT, path);
 251     if(FAILED(hres)) {
 252         ERR("SHGetFolderPath failed: %08x\n", hres);
 253         return NS_ERROR_FAILURE;
 254     }
 255
 256     strcatW(path, wine_geckoW);
 257     nsres = create_nsfile(path, &profile_directory);
 258     if(NS_FAILED(nsres))
 259         return nsres;
 260
 261     nsres = nsIFile_Exists(profile_directory, &exists);
 262     if(NS_FAILED(nsres)) {
 263         ERR("Exists failed: %08x\n", nsres);
 264         return nsres;
 265     }
 266
 267     if(!exists) {
 268         nsres = nsIFile_Create(profile_directory, 1, 0700);
 269         if(NS_FAILED(nsres))
 270             ERR("Create failed: %08x\n", nsres);
 271     }
 272
 273     return nsres;
 274 }
 275
 276 static nsresult NSAPI nsDirectoryServiceProvider2_GetFile(nsIDirectoryServiceProvider2 *iface,
 277         const char *prop, cpp_bool *persistent, nsIFile **_retval)
 278 {
 279     TRACE("(%s %p %p)\n", debugstr_a(prop), persistent, _retval);
 280
 281     if(!strcmp(prop, "ProfD")) {
 282         if(!profile_directory) {
 283             nsresult nsres;
 284
 285             nsres = create_profile_directory();
 286             if(NS_FAILED(nsres))
 287                 return nsres;
 288         }
 289
 290         assert(profile_directory != NULL);
 291         return nsIFile_Clone(profile_directory, _retval);
 292     }
 293
 294     *_retval = NULL;
 295     return NS_ERROR_FAILURE;
 296 }
 297
 298 static nsresult NSAPI nsDirectoryServiceProvider2_GetFiles(nsIDirectoryServiceProvider2 *iface,
 299         const char *prop, nsISimpleEnumerator **_retval)
 300 {
 301     TRACE("(%s %p)\n", debugstr_a(prop), _retval);
 302
 303     if(!strcmp(prop, "APluginsDL")) {
 304         WCHAR plugin_path[MAX_PATH];
 305         nsIFile *file;
 306         int len;
 307         nsresult nsres;
 308
 309         if(!plugin_directory) {
 310             static const WCHAR gecko_pluginW[] = {'\\','g','e','c','k','o','\\','p','l','u','g','i','n',0};
 311
 312             len = GetSystemDirectoryW(plugin_path, ARRAY_SIZE(plugin_path)-ARRAY_SIZE(gecko_pluginW)+1);
 313             if(!len)
 314                 return NS_ERROR_UNEXPECTED;
 315
 316             strcpyW(plugin_path+len, gecko_pluginW);
 317             nsres = create_nsfile(plugin_path, &plugin_directory);
 318             if(NS_FAILED(nsres)) {
 319                 *_retval = NULL;
 320                 return nsres;
 321             }
 322         }
 323
 324         nsres = nsIFile_Clone(plugin_directory, &file);
 325         if(NS_FAILED(nsres))
 326             return nsres;
 327
 328         *_retval = create_singleton_enumerator((nsISupports*)file);
 329         nsIFile_Release(file);
 330         if(!*_retval)
 331             return NS_ERROR_OUT_OF_MEMORY;
 332
 333         return NS_OK;
 334     }
 335
 336     *_retval = NULL;
 337     return NS_ERROR_FAILURE;
 338 }
 339
 340 static const nsIDirectoryServiceProvider2Vtbl nsDirectoryServiceProvider2Vtbl = {
 341     nsDirectoryServiceProvider2_QueryInterface,
 342     nsDirectoryServiceProvider2_AddRef,
 343     nsDirectoryServiceProvider2_Release,
 344     nsDirectoryServiceProvider2_GetFile,
 345     nsDirectoryServiceProvider2_GetFiles
 346 };
 347
 348 static nsIDirectoryServiceProvider2 nsDirectoryServiceProvider2 =
 349     { &nsDirectoryServiceProvider2Vtbl };
 350
 351 static LRESULT WINAPI nsembed_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 352 {
 353     NSContainer *This;
 354     nsresult nsres;
 355
 356     static const WCHAR wszTHIS[] = {'T','H','I','S',0};
 357
 358     if(msg == WM_CREATE) {
 359         This = *(NSContainer**)lParam;
 360         SetPropW(hwnd, wszTHIS, This);
 361     }else {
 362         This = GetPropW(hwnd, wszTHIS);
 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_nscontainer_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         wszNsContainer,
 397         NULL,
 398     };
 399     wndclass.hInstance = hInst;
 400     nscontainer_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[] = {'\\','c','o','n','t','r','o','l','.','e','x','e',0};
 413     static const WCHAR argsW[] =
 414         {' ','a','p','p','w','i','z','.','c','p','l',' ','i','n','s','t','a','l','l','_','g','e','c','k','o',0};
 415
 416     len = GetSystemDirectoryW(app, MAX_PATH-ARRAY_SIZE(controlW));
 417     memcpy(app+len, controlW, sizeof(controlW));
 418
 419     args = heap_alloc(len*sizeof(WCHAR) + sizeof(controlW) + sizeof(argsW));
 420     if(!args)
 421         return FALSE;
 422
 423     memcpy(args, app, len*sizeof(WCHAR) + sizeof(controlW));
 424     memcpy(args + len + ARRAY_SIZE(controlW)-1, argsW, sizeof(argsW));
 425
 426     TRACE("starting %s\n", debugstr_w(args));
 427
 428     memset(&si, 0, sizeof(si));
 429     si.cb = sizeof(si);
 430     ret = CreateProcessW(app, args, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 431     heap_free(args);
 432     if (ret) {
 433         CloseHandle(pi.hThread);
 434         WaitForSingleObject(pi.hProcess, INFINITE);
 435         CloseHandle(pi.hProcess);
 436     }
 437
 438     return ret;
 439 }
 440
 441 static void set_environment(LPCWSTR gre_path)
 442 {
 443     size_t len, gre_path_len;
 444     int debug_level = 0;
 445     WCHAR *path, buf[20];
 446     const WCHAR *ptr;
 447
 448     static const WCHAR pathW[] = {'P','A','T','H',0};
 449     static const WCHAR warnW[] = {'w','a','r','n',0};
 450     static const WCHAR xpcom_debug_breakW[] =
 451         {'X','P','C','O','M','_','D','E','B','U','G','_','B','R','E','A','K',0};
 452     static const WCHAR nspr_log_modulesW[] =
 453         {'N','S','P','R','_','L','O','G','_','M','O','D','U','L','E','S',0};
 454     static const WCHAR debug_formatW[] = {'a','l','l',':','%','d',0};
 455
 456     SetEnvironmentVariableW(xpcom_debug_breakW, warnW);
 457
 458     if(TRACE_ON(gecko))
 459         debug_level = 5;
 460     else if(WARN_ON(gecko))
 461         debug_level = 2;
 462     else if(ERR_ON(gecko))
 463         debug_level = 1;
 464
 465     sprintfW(buf, debug_formatW, debug_level);
 466     SetEnvironmentVariableW(nspr_log_modulesW, buf);
 467
 468     len = GetEnvironmentVariableW(pathW, NULL, 0);
 469     gre_path_len = strlenW(gre_path);
 470     path = heap_alloc((len+gre_path_len+1)*sizeof(WCHAR));
 471     if(!path)
 472         return;
 473     GetEnvironmentVariableW(pathW, path, len);
 474
 475     /* We have to modify PATH as xul.dll loads other DLLs from this directory. */
 476     if(!(ptr = strstrW(path, gre_path))
 477        || (ptr > path && *(ptr-1) != ';')
 478        || (ptr[gre_path_len] && ptr[gre_path_len] != ';')) {
 479         if(len)
 480             path[len-1] = ';';
 481         strcpyW(path+len, gre_path);
 482         SetEnvironmentVariableW(pathW, path);
 483     }
 484     heap_free(path);
 485 }
 486
 487 static BOOL load_xul(const PRUnichar *gre_path)
 488 {
 489     static const WCHAR xul_dllW[] = {'\\','x','u','l','.','d','l','l',0};
 490     WCHAR file_name[MAX_PATH];
 491
 492     strcpyW(file_name, gre_path);
 493     strcatW(file_name, xul_dllW);
 494
 495     TRACE("(%s)\n", debugstr_w(file_name));
 496
 497     set_environment(gre_path);
 498
 499     xul_handle = LoadLibraryExW(file_name, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
 500     if(!xul_handle) {
 501         WARN("Could not load XUL: %d\n", GetLastError());
 502         return FALSE;
 503     }
 504
 505 #define NS_DLSYM(func) \
 506     func = (void *)GetProcAddress(xul_handle, #func); \
 507     if(!func) \
 508         ERR("Could not GetProcAddress(" #func ") failed\n")
 509
 510     NS_DLSYM(NS_InitXPCOM2);
 511     NS_DLSYM(NS_ShutdownXPCOM);
 512     NS_DLSYM(NS_GetComponentRegistrar);
 513     NS_DLSYM(NS_StringContainerInit2);
 514     NS_DLSYM(NS_CStringContainerInit2);
 515     NS_DLSYM(NS_StringContainerFinish);
 516     NS_DLSYM(NS_CStringContainerFinish);
 517     NS_DLSYM(NS_StringSetData);
 518     NS_DLSYM(NS_CStringSetData);
 519     NS_DLSYM(NS_NewLocalFile);
 520     NS_DLSYM(NS_StringGetData);
 521     NS_DLSYM(NS_CStringGetData);
 522     NS_DLSYM(NS_StringGetIsVoid);
 523     NS_DLSYM(NS_Alloc);
 524     NS_DLSYM(NS_Free);
 525     NS_DLSYM(ccref_incr);
 526     NS_DLSYM(ccref_decr);
 527     NS_DLSYM(ccref_init);
 528     NS_DLSYM(ccp_init);
 529     NS_DLSYM(describe_cc_node);
 530     NS_DLSYM(note_cc_edge);
 531
 532 #undef NS_DLSYM
 533
 534     return TRUE;
 535 }
 536
 537 static BOOL check_version(LPCWSTR gre_path, const char *version_string)
 538 {
 539     WCHAR file_name[MAX_PATH];
 540     char version[128];
 541     DWORD read=0;
 542     HANDLE hfile;
 543
 544     static const WCHAR wszVersion[] = {'\\','V','E','R','S','I','O','N',0};
 545
 546     strcpyW(file_name, gre_path);
 547     strcatW(file_name, wszVersion);
 548
 549     hfile = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL,
 550                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 551     if(hfile == INVALID_HANDLE_VALUE) {
 552         ERR("Could not open VERSION file\n");
 553         return FALSE;
 554     }
 555
 556     ReadFile(hfile, version, sizeof(version), &read, NULL);
 557     version[read] = 0;
 558     CloseHandle(hfile);
 559
 560     TRACE("%s\n", debugstr_a(version));
 561
 562     if(strcmp(version, version_string)) {
 563         ERR("Unexpected version %s, expected %s\n", debugstr_a(version),
 564             debugstr_a(version_string));
 565         return FALSE;
 566     }
 567
 568     return TRUE;
 569 }
 570
 571 static BOOL load_wine_gecko_v(PRUnichar *gre_path, HKEY mshtml_key,
 572         const char *version, const char *version_string)
 573 {
 574     DWORD res, type, size = MAX_PATH;
 575     HKEY hkey = mshtml_key;
 576
 577     static const WCHAR wszGeckoPath[] =
 578         {'G','e','c','k','o','P','a','t','h',0};
 579
 580     if(version) {
 581         /* @@ Wine registry key: HKLM\Software\Wine\MSHTML\<version> */
 582         res = RegOpenKeyA(mshtml_key, version, &hkey);
 583         if(res != ERROR_SUCCESS)
 584             return FALSE;
 585     }
 586
 587     res = RegQueryValueExW(hkey, wszGeckoPath, NULL, &type, (LPBYTE)gre_path, &size);
 588     if(hkey != mshtml_key)
 589         RegCloseKey(hkey);
 590     if(res != ERROR_SUCCESS || type != REG_SZ)
 591         return FALSE;
 592
 593     if(!check_version(gre_path, version_string))
 594         return FALSE;
 595
 596     return load_xul(gre_path);
 597 }
 598
 599 static BOOL load_wine_gecko(PRUnichar *gre_path)
 600 {
 601     HKEY hkey;
 602     DWORD res;
 603     BOOL ret;
 604
 605     static const WCHAR wszMshtmlKey[] = {
 606         'S','o','f','t','w','a','r','e','\\','W','i','n','e',
 607         '\\','M','S','H','T','M','L',0};
 608
 609     /* @@ Wine registry key: HKLM\Software\Wine\MSHTML */
 610     res = RegOpenKeyW(HKEY_LOCAL_MACHINE, wszMshtmlKey, &hkey);
 611     if(res != ERROR_SUCCESS)
 612         return FALSE;
 613
 614     ret = load_wine_gecko_v(gre_path, hkey, GECKO_VERSION, GECKO_VERSION_STRING);
 615
 616     RegCloseKey(hkey);
 617     return ret;
 618 }
 619
 620 static void set_bool_pref(nsIPrefBranch *pref, const char *pref_name, BOOL val)
 621 {
 622     nsresult nsres;
 623
 624     nsres = nsIPrefBranch_SetBoolPref(pref, pref_name, val);
 625     if(NS_FAILED(nsres))
 626         ERR("Could not set pref %s\n", debugstr_a(pref_name));
 627 }
 628
 629 static void set_int_pref(nsIPrefBranch *pref, const char *pref_name, int val)
 630 {
 631     nsresult nsres;
 632
 633     nsres = nsIPrefBranch_SetIntPref(pref, pref_name, val);
 634     if(NS_FAILED(nsres))
 635         ERR("Could not set pref %s\n", debugstr_a(pref_name));
 636 }
 637
 638 static void set_string_pref(nsIPrefBranch *pref, const char *pref_name, const char *val)
 639 {
 640     nsresult nsres;
 641
 642     nsres = nsIPrefBranch_SetCharPref(pref, pref_name, val);
 643     if(NS_FAILED(nsres))
 644         ERR("Could not set pref %s\n", debugstr_a(pref_name));
 645 }
 646
 647 static void set_lang(nsIPrefBranch *pref)
 648 {
 649     char langs[100];
 650     DWORD res, size, type;
 651     HKEY hkey;
 652
 653     static const WCHAR international_keyW[] =
 654         {'S','o','f','t','w','a','r','e',
 655          '\\','M','i','c','r','o','s','o','f','t',
 656          '\\','I','n','t','e','r','n','e','t',' ','E','x','p','l','o','r','e','r',
 657          '\\','I','n','t','e','r','n','a','t','i','o','n','a','l',0};
 658
 659     res = RegOpenKeyW(HKEY_CURRENT_USER, international_keyW, &hkey);
 660     if(res != ERROR_SUCCESS)
 661         return;
 662
 663     size = sizeof(langs);
 664     res = RegQueryValueExA(hkey, "AcceptLanguage", 0, &type, (LPBYTE)langs, &size);
 665     RegCloseKey(hkey);
 666     if(res != ERROR_SUCCESS || type != REG_SZ)
 667         return;
 668
 669     TRACE("Setting lang %s\n", debugstr_a(langs));
 670
 671     set_string_pref(pref, "intl.accept_languages", langs);
 672 }
 673
 674 static void set_preferences(void)
 675 {
 676     nsIPrefBranch *pref;
 677     nsresult nsres;
 678
 679     nsres = nsIServiceManager_GetServiceByContractID(pServMgr, NS_PREFERENCES_CONTRACTID,
 680             &IID_nsIPrefBranch, (void**)&pref);
 681     if(NS_FAILED(nsres)) {
 682         ERR("Could not get preference service: %08x\n", nsres);
 683         return;
 684     }
 685
 686     set_lang(pref);
 687     set_bool_pref(pref, "security.warn_entering_secure", FALSE);
 688     set_bool_pref(pref, "security.warn_submit_insecure", FALSE);
 689     set_int_pref(pref, "layout.spellcheckDefault", 0);
 690
 691     nsIPrefBranch_Release(pref);
 692 }
 693
 694 static BOOL init_xpcom(const PRUnichar *gre_path)
 695 {
 696     nsIComponentRegistrar *registrar = NULL;
 697     nsIFile *gre_dir;
 698     WCHAR *ptr;
 699     nsresult nsres;
 700
 701     nsres = create_nsfile(gre_path, &gre_dir);
 702     if(NS_FAILED(nsres)) {
 703         FreeLibrary(xul_handle);
 704         return FALSE;
 705     }
 706
 707     nsres = NS_InitXPCOM2(&pServMgr, gre_dir, (nsIDirectoryServiceProvider*)&nsDirectoryServiceProvider2);
 708     if(NS_FAILED(nsres)) {
 709         ERR("NS_InitXPCOM2 failed: %08x\n", nsres);
 710         FreeLibrary(xul_handle);
 711         return FALSE;
 712     }
 713
 714     strcpyW(gecko_path, gre_path);
 715     for(ptr = gecko_path; *ptr; ptr++) {
 716         if(*ptr == '\\')
 717             *ptr = '/';
 718     }
 719     gecko_path_len = ptr-gecko_path;
 720
 721     nsres = nsIServiceManager_QueryInterface(pServMgr, &IID_nsIComponentManager, (void**)&pCompMgr);
 722     if(NS_FAILED(nsres))
 723         ERR("Could not get nsIComponentManager: %08x\n", nsres);
 724
 725     init_nsio(pCompMgr);
 726     init_mutation(pCompMgr);
 727     set_preferences();
 728
 729     nsres = nsIServiceManager_GetServiceByContractID(pServMgr, NS_CATEGORYMANAGER_CONTRACTID,
 730             &IID_nsICategoryManager, (void**)&cat_mgr);
 731     if(NS_FAILED(nsres))
 732         ERR("Could not get category manager service: %08x\n", nsres);
 733
 734     nsres = NS_GetComponentRegistrar(&registrar);
 735     if(NS_SUCCEEDED(nsres)) {
 736         register_nsservice(registrar, pServMgr);
 737         nsIComponentRegistrar_Release(registrar);
 738     }else {
 739         ERR("NS_GetComponentRegistrar failed: %08x\n", nsres);
 740     }
 741
 742     init_node_cc();
 743
 744     return TRUE;
 745 }
 746
 747 static CRITICAL_SECTION cs_load_gecko;
 748 static CRITICAL_SECTION_DEBUG cs_load_gecko_dbg =
 749 {
 750     0, 0, &cs_load_gecko,
 751     { &cs_load_gecko_dbg.ProcessLocksList, &cs_load_gecko_dbg.ProcessLocksList },
 752       0, 0, { (DWORD_PTR)(__FILE__ ": load_gecko") }
 753 };
 754 static CRITICAL_SECTION cs_load_gecko = { &cs_load_gecko_dbg, -1, 0, 0, 0, 0 };
 755
 756 BOOL load_gecko(void)
 757 {
 758     PRUnichar gre_path[MAX_PATH];
 759     BOOL ret = FALSE;
 760
 761     static DWORD loading_thread;
 762
 763     TRACE("()\n");
 764
 765     /* load_gecko may be called recursively */
 766     if(loading_thread == GetCurrentThreadId())
 767         return pCompMgr != NULL;
 768
 769     EnterCriticalSection(&cs_load_gecko);
 770
 771     if(!loading_thread) {
 772         loading_thread = GetCurrentThreadId();
 773
 774         if(load_wine_gecko(gre_path)
 775            || (install_wine_gecko() && load_wine_gecko(gre_path)))
 776             ret = init_xpcom(gre_path);
 777         else
 778            MESSAGE("Could not load wine-gecko. HTML rendering will be disabled.\n");
 779     }else {
 780         ret = pCompMgr != NULL;
 781     }
 782
 783     LeaveCriticalSection(&cs_load_gecko);
 784
 785     return ret;
 786 }
 787
 788 void *nsalloc(size_t size)
 789 {
 790     return NS_Alloc(size);
 791 }
 792
 793 void nsfree(void *mem)
 794 {
 795     NS_Free(mem);
 796 }
 797
 798 BOOL nsACString_Init(nsACString *str, const char *data)
 799 {
 800     return NS_SUCCEEDED(NS_CStringContainerInit2(str, data, PR_UINT32_MAX, 0));
 801 }
 802
 803 /*
 804  * Initializes nsACString with data owned by caller.
 805  * Caller must ensure that data is valid during lifetime of string object.
 806  */
 807 void nsACString_InitDepend(nsACString *str, const char *data)
 808 {
 809     NS_CStringContainerInit2(str, data, PR_UINT32_MAX, NS_CSTRING_CONTAINER_INIT_DEPEND);
 810 }
 811
 812 void nsACString_SetData(nsACString *str, const char *data)
 813 {
 814     NS_CStringSetData(str, data, PR_UINT32_MAX);
 815 }
 816
 817 UINT32 nsACString_GetData(const nsACString *str, const char **data)
 818 {
 819     return NS_CStringGetData(str, data, NULL);
 820 }
 821
 822 void nsACString_Finish(nsACString *str)
 823 {
 824     NS_CStringContainerFinish(str);
 825 }
 826
 827 BOOL nsAString_Init(nsAString *str, const PRUnichar *data)
 828 {
 829     return NS_SUCCEEDED(NS_StringContainerInit2(str, data, PR_UINT32_MAX, 0));
 830 }
 831
 832 /*
 833  * Initializes nsAString with data owned by caller.
 834  * Caller must ensure that data is valid during lifetime of string object.
 835  */
 836 void nsAString_InitDepend(nsAString *str, const PRUnichar *data)
 837 {
 838     NS_StringContainerInit2(str, data, PR_UINT32_MAX, NS_STRING_CONTAINER_INIT_DEPEND);
 839 }
 840
 841 UINT32 nsAString_GetData(const nsAString *str, const PRUnichar **data)
 842 {
 843     return NS_StringGetData(str, data, NULL);
 844 }
 845
 846 void nsAString_Finish(nsAString *str)
 847 {
 848     NS_StringContainerFinish(str);
 849 }
 850
 851 HRESULT return_nsstr(nsresult nsres, nsAString *nsstr, BSTR *p)
 852 {
 853     const PRUnichar *str;
 854
 855     if(NS_FAILED(nsres)) {
 856         ERR("failed: %08x\n", nsres);
 857         nsAString_Finish(nsstr);
 858         return E_FAIL;
 859     }
 860
 861     nsAString_GetData(nsstr, &str);
 862     TRACE("ret %s\n", debugstr_w(str));
 863     if(*str) {
 864         *p = SysAllocString(str);
 865         if(!*p)
 866             return E_OUTOFMEMORY;
 867     }else {
 868         *p = NULL;
 869     }
 870
 871     nsAString_Finish(nsstr);
 872     return S_OK;
 873 }
 874
 875 HRESULT return_nsstr_variant(nsresult nsres, nsAString *nsstr, VARIANT *p)
 876 {
 877     const PRUnichar *str;
 878
 879     if(NS_FAILED(nsres)) {
 880         ERR("failed: %08x\n", nsres);
 881         nsAString_Finish(nsstr);
 882         return E_FAIL;
 883     }
 884
 885     if(NS_StringGetIsVoid(nsstr)) {
 886         TRACE("ret null\n");
 887         V_VT(p) = VT_NULL;
 888     }else {
 889         nsAString_GetData(nsstr, &str);
 890         TRACE("ret %s\n", debugstr_w(str));
 891         if(*str) {
 892             V_BSTR(p) = SysAllocString(str);
 893             if(!V_BSTR(p)) {
 894                 nsAString_Finish(nsstr);
 895                 return E_OUTOFMEMORY;
 896             }
 897         }else {
 898             V_BSTR(p) = NULL;
 899         }
 900         V_VT(p) = VT_BSTR;
 901     }
 902
 903     nsAString_Finish(nsstr);
 904     return S_OK;
 905 }
 906
 907 nsICommandParams *create_nscommand_params(void)
 908 {
 909     nsICommandParams *ret = NULL;
 910     nsresult nsres;
 911
 912     if(!pCompMgr)
 913         return NULL;
 914
 915     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
 916             NS_COMMANDPARAMS_CONTRACTID, NULL, &IID_nsICommandParams,
 917             (void**)&ret);
 918     if(NS_FAILED(nsres))
 919         ERR("Could not get nsICommandParams\n");
 920
 921     return ret;
 922 }
 923
 924 nsIWritableVariant *create_nsvariant(void)
 925 {
 926     nsIWritableVariant *ret = NULL;
 927     nsresult nsres;
 928
 929     if(!pCompMgr)
 930         return NULL;
 931
 932     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
 933             NS_VARIANT_CONTRACTID, NULL, &IID_nsIWritableVariant, (void**)&ret);
 934     if(NS_FAILED(nsres))
 935         ERR("Could not get nsIVariant\n");
 936
 937     return ret;
 938 }
 939
 940 char *get_nscategory_entry(const char *category, const char *entry)
 941 {
 942     char *ret = NULL;
 943     nsresult nsres;
 944
 945     nsres = nsICategoryManager_GetCategoryEntry(cat_mgr, category, entry, &ret);
 946     return NS_SUCCEEDED(nsres) ? ret : NULL;
 947 }
 948
 949 nsresult get_nsinterface(nsISupports *iface, REFIID riid, void **ppv)
 950 {
 951     nsIInterfaceRequestor *iface_req;
 952     nsresult nsres;
 953
 954     nsres = nsISupports_QueryInterface(iface, &IID_nsIInterfaceRequestor, (void**)&iface_req);
 955     if(NS_FAILED(nsres))
 956         return nsres;
 957
 958     nsres = nsIInterfaceRequestor_GetInterface(iface_req, riid, ppv);
 959     nsIInterfaceRequestor_Release(iface_req);
 960
 961     return nsres;
 962 }
 963
 964 static HRESULT nsnode_to_nsstring_rec(nsIContentSerializer *serializer, nsIDOMNode *nsnode, nsAString *str)
 965 {
 966     nsIDOMNodeList *node_list = NULL;
 967     cpp_bool has_children = FALSE;
 968     nsIContent *nscontent;
 969     UINT16 type;
 970     nsresult nsres;
 971
 972     nsIDOMNode_HasChildNodes(nsnode, &has_children);
 973
 974     nsres = nsIDOMNode_GetNodeType(nsnode, &type);
 975     if(NS_FAILED(nsres)) {
 976         ERR("GetType failed: %08x\n", nsres);
 977         return E_FAIL;
 978     }
 979
 980     if(type != DOCUMENT_NODE) {
 981         nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIContent, (void**)&nscontent);
 982         if(NS_FAILED(nsres)) {
 983             ERR("Could not get nsIContent interface: %08x\n", nsres);
 984             return E_FAIL;
 985         }
 986     }
 987
 988     switch(type) {
 989     case ELEMENT_NODE:
 990         nsIContentSerializer_AppendElementStart(serializer, nscontent, nscontent, str);
 991         break;
 992     case TEXT_NODE:
 993         nsIContentSerializer_AppendText(serializer, nscontent, 0, -1, str);
 994         break;
 995     case COMMENT_NODE:
 996         nsIContentSerializer_AppendComment(serializer, nscontent, 0, -1, str);
 997         break;
 998     case DOCUMENT_NODE: {
 999         nsIDocument *nsdoc;
1000         nsIDOMNode_QueryInterface(nsnode, &IID_nsIDocument, (void**)&nsdoc);
1001         nsIContentSerializer_AppendDocumentStart(serializer, nsdoc, str);
1002         nsIDocument_Release(nsdoc);
1003         break;
1004     }
1005     case DOCUMENT_TYPE_NODE:
1006         nsIContentSerializer_AppendDoctype(serializer, nscontent, str);
1007         break;
1008     case DOCUMENT_FRAGMENT_NODE:
1009         break;
1010     default:
1011         FIXME("Unhandled type %u\n", type);
1012     }
1013
1014     if(has_children) {
1015         UINT32 child_cnt, i;
1016         nsIDOMNode *child_node;
1017
1018         nsIDOMNode_GetChildNodes(nsnode, &node_list);
1019         nsIDOMNodeList_GetLength(node_list, &child_cnt);
1020
1021         for(i=0; i<child_cnt; i++) {
1022             nsres = nsIDOMNodeList_Item(node_list, i, &child_node);
1023             if(NS_SUCCEEDED(nsres)) {
1024                 nsnode_to_nsstring_rec(serializer, child_node, str);
1025                 nsIDOMNode_Release(child_node);
1026             }else {
1027                 ERR("Item failed: %08x\n", nsres);
1028             }
1029         }
1030
1031         nsIDOMNodeList_Release(node_list);
1032     }
1033
1034     if(type == ELEMENT_NODE)
1035         nsIContentSerializer_AppendElementEnd(serializer, nscontent, str);
1036
1037     if(type != DOCUMENT_NODE)
1038         nsIContent_Release(nscontent);
1039     return S_OK;
1040 }
1041
1042 HRESULT nsnode_to_nsstring(nsIDOMNode *nsnode, nsAString *str)
1043 {
1044     nsIContentSerializer *serializer;
1045     nsresult nsres;
1046     HRESULT hres;
1047
1048     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
1049             NS_HTMLSERIALIZER_CONTRACTID, NULL, &IID_nsIContentSerializer,
1050             (void**)&serializer);
1051     if(NS_FAILED(nsres)) {
1052         ERR("Could not get nsIContentSerializer: %08x\n", nsres);
1053         return E_FAIL;
1054     }
1055
1056     nsres = nsIContentSerializer_Init(serializer, 0, 100, NULL, FALSE, FALSE /* FIXME */);
1057     if(NS_FAILED(nsres))
1058         ERR("Init failed: %08x\n", nsres);
1059
1060     hres = nsnode_to_nsstring_rec(serializer, nsnode, str);
1061     if(SUCCEEDED(hres)) {
1062         nsres = nsIContentSerializer_Flush(serializer, str);
1063         if(NS_FAILED(nsres))
1064             ERR("Flush failed: %08x\n", nsres);
1065     }
1066
1067     nsIContentSerializer_Release(serializer);
1068     return hres;
1069 }
1070
1071 void get_editor_controller(NSContainer *This)
1072 {
1073     nsIEditingSession *editing_session = NULL;
1074     nsIControllerContext *ctrlctx;
1075     nsresult nsres;
1076
1077     if(This->editor) {
1078         nsIEditor_Release(This->editor);
1079         This->editor = NULL;
1080     }
1081
1082     if(This->editor_controller) {
1083         nsIController_Release(This->editor_controller);
1084         This->editor_controller = NULL;
1085     }
1086
1087     nsres = get_nsinterface((nsISupports*)This->webbrowser, &IID_nsIEditingSession,
1088             (void**)&editing_session);
1089     if(NS_FAILED(nsres)) {
1090         ERR("Could not get nsIEditingSession: %08x\n", nsres);
1091         return;
1092     }
1093
1094     nsres = nsIEditingSession_GetEditorForWindow(editing_session,
1095             This->doc->basedoc.window->window_proxy, &This->editor);
1096     nsIEditingSession_Release(editing_session);
1097     if(NS_FAILED(nsres)) {
1098         ERR("Could not get editor: %08x\n", nsres);
1099         return;
1100     }
1101
1102     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
1103             NS_EDITORCONTROLLER_CONTRACTID, NULL, &IID_nsIControllerContext, (void**)&ctrlctx);
1104     if(NS_SUCCEEDED(nsres)) {
1105         nsres = nsIControllerContext_SetCommandContext(ctrlctx, (nsISupports *)This->editor);
1106         if(NS_FAILED(nsres))
1107             ERR("SetCommandContext failed: %08x\n", nsres);
1108         nsres = nsIControllerContext_QueryInterface(ctrlctx, &IID_nsIController,
1109                 (void**)&This->editor_controller);
1110         nsIControllerContext_Release(ctrlctx);
1111         if(NS_FAILED(nsres))
1112             ERR("Could not get nsIController interface: %08x\n", nsres);
1113     }else {
1114         ERR("Could not create edit controller: %08x\n", nsres);
1115     }
1116 }
1117
1118 void close_gecko(void)
1119 {
1120     TRACE("()\n");
1121
1122     release_nsio();
1123     init_mutation(NULL);
1124
1125     if(profile_directory) {
1126         nsIFile_Release(profile_directory);
1127         profile_directory = NULL;
1128     }
1129
1130     if(plugin_directory) {
1131         nsIFile_Release(plugin_directory);
1132         plugin_directory = NULL;
1133     }
1134
1135     if(pCompMgr)
1136         nsIComponentManager_Release(pCompMgr);
1137
1138     if(pServMgr)
1139         nsIServiceManager_Release(pServMgr);
1140
1141     if(cat_mgr)
1142         nsICategoryManager_Release(cat_mgr);
1143
1144     /* Gecko doesn't really support being unloaded */
1145     /* if (hXPCOM) FreeLibrary(hXPCOM); */
1146
1147     DeleteCriticalSection(&cs_load_gecko);
1148 }
1149
1150 BOOL is_gecko_path(const char *path)
1151 {
1152     WCHAR *buf, *ptr;
1153     BOOL ret;
1154
1155     buf = heap_strdupUtoW(path);
1156     if(!buf || strlenW(buf) < gecko_path_len)
1157         return FALSE;
1158
1159     for(ptr = buf; *ptr; ptr++) {
1160         if(*ptr == '\\')
1161             *ptr = '/';
1162     }
1163
1164     UrlUnescapeW(buf, NULL, NULL, URL_UNESCAPE_INPLACE);
1165     buf[gecko_path_len] = 0;
1166
1167     ret = !strcmpiW(buf, gecko_path);
1168     heap_free(buf);
1169     return ret;
1170 }
1171
1172 void set_viewer_zoom(NSContainer *nscontainer, float factor)
1173 {
1174     nsIContentViewer *content_viewer;
1175     nsIDocShell *doc_shell;
1176     nsresult nsres;
1177
1178     TRACE("Setting to %f\n", factor);
1179
1180     nsres = get_nsinterface((nsISupports*)nscontainer->navigation, &IID_nsIDocShell, (void**)&doc_shell);
1181     assert(nsres == NS_OK);
1182
1183     nsres = nsIDocShell_GetContentViewer(doc_shell, &content_viewer);
1184     assert(nsres == NS_OK && content_viewer);
1185     nsIDocShell_Release(doc_shell);
1186
1187     nsres = nsIContentViewer_SetFullZoom(content_viewer, factor);
1188     if(NS_FAILED(nsres))
1189         ERR("SetFullZoom failed: %08x\n", nsres);
1190
1191     nsIContentViewer_Release(content_viewer);
1192 }
1193
1194 struct nsWeakReference {
1195     nsIWeakReference nsIWeakReference_iface;
1196
1197     LONG ref;
1198
1199     NSContainer *nscontainer;
1200 };
1201
1202 static inline nsWeakReference *impl_from_nsIWeakReference(nsIWeakReference *iface)
1203 {
1204     return CONTAINING_RECORD(iface, nsWeakReference, nsIWeakReference_iface);
1205 }
1206
1207 static nsresult NSAPI nsWeakReference_QueryInterface(nsIWeakReference *iface,
1208         nsIIDRef riid, void **result)
1209 {
1210     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1211
1212     if(IsEqualGUID(&IID_nsISupports, riid)) {
1213         TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
1214         *result = &This->nsIWeakReference_iface;
1215     }else if(IsEqualGUID(&IID_nsIWeakReference, riid)) {
1216         TRACE("(%p)->(IID_nsIWeakReference %p)\n", This, result);
1217         *result = &This->nsIWeakReference_iface;
1218     }else {
1219         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
1220         *result = NULL;
1221         return NS_NOINTERFACE;
1222     }
1223
1224     nsISupports_AddRef((nsISupports*)*result);
1225     return NS_OK;
1226 }
1227
1228 static nsrefcnt NSAPI nsWeakReference_AddRef(nsIWeakReference *iface)
1229 {
1230     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1231     LONG ref = InterlockedIncrement(&This->ref);
1232
1233     TRACE("(%p) ref=%d\n", This, ref);
1234
1235     return ref;
1236 }
1237
1238 static nsrefcnt NSAPI nsWeakReference_Release(nsIWeakReference *iface)
1239 {
1240     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1241     LONG ref = InterlockedDecrement(&This->ref);
1242
1243     TRACE("(%p) ref=%d\n", This, ref);
1244
1245     if(!ref) {
1246         assert(!This->nscontainer);
1247         heap_free(This);
1248     }
1249
1250     return ref;
1251 }
1252
1253 static nsresult NSAPI nsWeakReference_QueryReferent(nsIWeakReference *iface,
1254         const nsIID *riid, void **result)
1255 {
1256     nsWeakReference *This = impl_from_nsIWeakReference(iface);
1257
1258     if(!This->nscontainer)
1259         return NS_ERROR_NULL_POINTER;
1260
1261     return nsIWebBrowserChrome_QueryInterface(&This->nscontainer->nsIWebBrowserChrome_iface, riid, result);
1262 }
1263
1264 static const nsIWeakReferenceVtbl nsWeakReferenceVtbl = {
1265     nsWeakReference_QueryInterface,
1266     nsWeakReference_AddRef,
1267     nsWeakReference_Release,
1268     nsWeakReference_QueryReferent
1269 };
1270
1271 /**********************************************************
1272  *      nsIWebBrowserChrome interface
1273  */
1274
1275 static inline NSContainer *impl_from_nsIWebBrowserChrome(nsIWebBrowserChrome *iface)
1276 {
1277     return CONTAINING_RECORD(iface, NSContainer, nsIWebBrowserChrome_iface);
1278 }
1279
1280 static nsresult NSAPI nsWebBrowserChrome_QueryInterface(nsIWebBrowserChrome *iface,
1281         nsIIDRef riid, void **result)
1282 {
1283     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1284
1285     *result = NULL;
1286     if(IsEqualGUID(&IID_nsISupports, riid)) {
1287         TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
1288         *result = &This->nsIWebBrowserChrome_iface;
1289     }else if(IsEqualGUID(&IID_nsIWebBrowserChrome, riid)) {
1290         TRACE("(%p)->(IID_nsIWebBrowserChrome, %p)\n", This, result);
1291         *result = &This->nsIWebBrowserChrome_iface;
1292     }else if(IsEqualGUID(&IID_nsIContextMenuListener, riid)) {
1293         TRACE("(%p)->(IID_nsIContextMenuListener, %p)\n", This, result);
1294         *result = &This->nsIContextMenuListener_iface;
1295     }else if(IsEqualGUID(&IID_nsIURIContentListener, riid)) {
1296         TRACE("(%p)->(IID_nsIURIContentListener %p)\n", This, result);
1297         *result = &This->nsIURIContentListener_iface;
1298     }else if(IsEqualGUID(&IID_nsIEmbeddingSiteWindow, riid)) {
1299         TRACE("(%p)->(IID_nsIEmbeddingSiteWindow %p)\n", This, result);
1300         *result = &This->nsIEmbeddingSiteWindow_iface;
1301     }else if(IsEqualGUID(&IID_nsITooltipListener, riid)) {
1302         TRACE("(%p)->(IID_nsITooltipListener %p)\n", This, result);
1303         *result = &This->nsITooltipListener_iface;
1304     }else if(IsEqualGUID(&IID_nsIInterfaceRequestor, riid)) {
1305         TRACE("(%p)->(IID_nsIInterfaceRequestor %p)\n", This, result);
1306         *result = &This->nsIInterfaceRequestor_iface;
1307     }else if(IsEqualGUID(&IID_nsISupportsWeakReference, riid)) {
1308         TRACE("(%p)->(IID_nsISupportsWeakReference %p)\n", This, result);
1309         *result = &This->nsISupportsWeakReference_iface;
1310     }
1311
1312     if(*result) {
1313         nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1314         return NS_OK;
1315     }
1316
1317     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
1318     return NS_NOINTERFACE;
1319 }
1320
1321 static nsrefcnt NSAPI nsWebBrowserChrome_AddRef(nsIWebBrowserChrome *iface)
1322 {
1323     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1324     LONG ref = InterlockedIncrement(&This->ref);
1325
1326     TRACE("(%p) ref=%d\n", This, ref);
1327
1328     return ref;
1329 }
1330
1331 static nsrefcnt NSAPI nsWebBrowserChrome_Release(nsIWebBrowserChrome *iface)
1332 {
1333     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1334     LONG ref = InterlockedDecrement(&This->ref);
1335
1336     TRACE("(%p) ref=%d\n", This, ref);
1337
1338     if(!ref) {
1339         if(This->weak_reference) {
1340             This->weak_reference->nscontainer = NULL;
1341             nsIWeakReference_Release(&This->weak_reference->nsIWeakReference_iface);
1342         }
1343         heap_free(This);
1344     }
1345
1346     return ref;
1347 }
1348
1349 static nsresult NSAPI nsWebBrowserChrome_SetStatus(nsIWebBrowserChrome *iface,
1350         UINT32 statusType, const PRUnichar *status)
1351 {
1352     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1353     TRACE("(%p)->(%d %s)\n", This, statusType, debugstr_w(status));
1354     return NS_OK;
1355 }
1356
1357 static nsresult NSAPI nsWebBrowserChrome_GetWebBrowser(nsIWebBrowserChrome *iface,
1358         nsIWebBrowser **aWebBrowser)
1359 {
1360     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1361
1362     TRACE("(%p)->(%p)\n", This, aWebBrowser);
1363
1364     if(!aWebBrowser)
1365         return NS_ERROR_INVALID_ARG;
1366
1367     if(This->webbrowser)
1368         nsIWebBrowser_AddRef(This->webbrowser);
1369     *aWebBrowser = This->webbrowser;
1370     return S_OK;
1371 }
1372
1373 static nsresult NSAPI nsWebBrowserChrome_SetWebBrowser(nsIWebBrowserChrome *iface,
1374         nsIWebBrowser *aWebBrowser)
1375 {
1376     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1377
1378     TRACE("(%p)->(%p)\n", This, aWebBrowser);
1379
1380     if(aWebBrowser != This->webbrowser)
1381         ERR("Wrong nsWebBrowser!\n");
1382
1383     return NS_OK;
1384 }
1385
1386 static nsresult NSAPI nsWebBrowserChrome_GetChromeFlags(nsIWebBrowserChrome *iface,
1387         UINT32 *aChromeFlags)
1388 {
1389     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1390     WARN("(%p)->(%p)\n", This, aChromeFlags);
1391     return NS_ERROR_NOT_IMPLEMENTED;
1392 }
1393
1394 static nsresult NSAPI nsWebBrowserChrome_SetChromeFlags(nsIWebBrowserChrome *iface,
1395         UINT32 aChromeFlags)
1396 {
1397     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1398     WARN("(%p)->(%08x)\n", This, aChromeFlags);
1399     return NS_ERROR_NOT_IMPLEMENTED;
1400 }
1401
1402 static nsresult NSAPI nsWebBrowserChrome_DestroyBrowserWindow(nsIWebBrowserChrome *iface)
1403 {
1404     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1405     TRACE("(%p)\n", This);
1406     return NS_ERROR_NOT_IMPLEMENTED;
1407 }
1408
1409 static nsresult NSAPI nsWebBrowserChrome_SizeBrowserTo(nsIWebBrowserChrome *iface,
1410         LONG aCX, LONG aCY)
1411 {
1412     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1413     WARN("(%p)->(%d %d)\n", This, aCX, aCY);
1414     return NS_ERROR_NOT_IMPLEMENTED;
1415 }
1416
1417 static nsresult NSAPI nsWebBrowserChrome_ShowAsModal(nsIWebBrowserChrome *iface)
1418 {
1419     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1420     WARN("(%p)\n", This);
1421     return NS_ERROR_NOT_IMPLEMENTED;
1422 }
1423
1424 static nsresult NSAPI nsWebBrowserChrome_IsWindowModal(nsIWebBrowserChrome *iface, cpp_bool *_retval)
1425 {
1426     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1427     WARN("(%p)->(%p)\n", This, _retval);
1428     return NS_ERROR_NOT_IMPLEMENTED;
1429 }
1430
1431 static nsresult NSAPI nsWebBrowserChrome_ExitModalEventLoop(nsIWebBrowserChrome *iface,
1432         nsresult aStatus)
1433 {
1434     NSContainer *This = impl_from_nsIWebBrowserChrome(iface);
1435     WARN("(%p)->(%08x)\n", This, aStatus);
1436     return NS_ERROR_NOT_IMPLEMENTED;
1437 }
1438
1439 static const nsIWebBrowserChromeVtbl nsWebBrowserChromeVtbl = {
1440     nsWebBrowserChrome_QueryInterface,
1441     nsWebBrowserChrome_AddRef,
1442     nsWebBrowserChrome_Release,
1443     nsWebBrowserChrome_SetStatus,
1444     nsWebBrowserChrome_GetWebBrowser,
1445     nsWebBrowserChrome_SetWebBrowser,
1446     nsWebBrowserChrome_GetChromeFlags,
1447     nsWebBrowserChrome_SetChromeFlags,
1448     nsWebBrowserChrome_DestroyBrowserWindow,
1449     nsWebBrowserChrome_SizeBrowserTo,
1450     nsWebBrowserChrome_ShowAsModal,
1451     nsWebBrowserChrome_IsWindowModal,
1452     nsWebBrowserChrome_ExitModalEventLoop
1453 };
1454
1455 /**********************************************************
1456  *      nsIContextMenuListener interface
1457  */
1458
1459 static inline NSContainer *impl_from_nsIContextMenuListener(nsIContextMenuListener *iface)
1460 {
1461     return CONTAINING_RECORD(iface, NSContainer, nsIContextMenuListener_iface);
1462 }
1463
1464 static nsresult NSAPI nsContextMenuListener_QueryInterface(nsIContextMenuListener *iface,
1465         nsIIDRef riid, void **result)
1466 {
1467     NSContainer *This = impl_from_nsIContextMenuListener(iface);
1468     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1469 }
1470
1471 static nsrefcnt NSAPI nsContextMenuListener_AddRef(nsIContextMenuListener *iface)
1472 {
1473     NSContainer *This = impl_from_nsIContextMenuListener(iface);
1474     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1475 }
1476
1477 static nsrefcnt NSAPI nsContextMenuListener_Release(nsIContextMenuListener *iface)
1478 {
1479     NSContainer *This = impl_from_nsIContextMenuListener(iface);
1480     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1481 }
1482
1483 static nsresult NSAPI nsContextMenuListener_OnShowContextMenu(nsIContextMenuListener *iface,
1484         UINT32 aContextFlags, nsIDOMEvent *aEvent, nsIDOMNode *aNode)
1485 {
1486     NSContainer *This = impl_from_nsIContextMenuListener(iface);
1487     nsIDOMMouseEvent *mouse_event;
1488     HTMLDOMNode *node;
1489     DOMEvent *event;
1490     POINT pt;
1491     DWORD dwID = CONTEXT_MENU_DEFAULT;
1492     nsresult nsres;
1493     HRESULT hres;
1494
1495     TRACE("(%p)->(%08x %p %p)\n", This, aContextFlags, aEvent, aNode);
1496
1497     hres = get_node(aNode, TRUE, &node);
1498     if(FAILED(hres))
1499         return NS_ERROR_FAILURE;
1500
1501     hres = create_event_from_nsevent(aEvent, &event);
1502     if(SUCCEEDED(hres)) {
1503         dispatch_event(&node->event_target, event);
1504         IDOMEvent_Release(&event->IDOMEvent_iface);
1505     }
1506
1507     nsres = nsIDOMEvent_QueryInterface(aEvent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
1508     assert(NS_SUCCEEDED(nsres));
1509
1510     nsIDOMMouseEvent_GetScreenX(mouse_event, &pt.x);
1511     nsIDOMMouseEvent_GetScreenY(mouse_event, &pt.y);
1512     nsIDOMMouseEvent_Release(mouse_event);
1513
1514     switch(aContextFlags) {
1515     case CONTEXT_NONE:
1516     case CONTEXT_DOCUMENT:
1517     case CONTEXT_TEXT: {
1518         nsISelection *selection;
1519
1520         nsres = nsIDOMHTMLDocument_GetSelection(This->doc->basedoc.doc_node->nsdoc, &selection);
1521         if(NS_SUCCEEDED(nsres) && selection) {
1522             cpp_bool is_collapsed;
1523
1524             /* FIXME: Check if the click was inside selection. */
1525             nsres = nsISelection_GetIsCollapsed(selection, &is_collapsed);
1526             nsISelection_Release(selection);
1527             if(NS_SUCCEEDED(nsres) && !is_collapsed)
1528                 dwID = CONTEXT_MENU_TEXTSELECT;
1529         }
1530         break;
1531     }
1532     case CONTEXT_IMAGE:
1533     case CONTEXT_IMAGE|CONTEXT_LINK:
1534         dwID = CONTEXT_MENU_IMAGE;
1535         break;
1536     case CONTEXT_LINK:
1537         dwID = CONTEXT_MENU_ANCHOR;
1538         break;
1539     case CONTEXT_INPUT:
1540         dwID = CONTEXT_MENU_CONTROL;
1541         break;
1542     default:
1543         FIXME("aContextFlags=%08x\n", aContextFlags);
1544     };
1545
1546     show_context_menu(This->doc, dwID, &pt, (IDispatch*)&node->IHTMLDOMNode_iface);
1547     node_release(node);
1548     return NS_OK;
1549 }
1550
1551 static const nsIContextMenuListenerVtbl nsContextMenuListenerVtbl = {
1552     nsContextMenuListener_QueryInterface,
1553     nsContextMenuListener_AddRef,
1554     nsContextMenuListener_Release,
1555     nsContextMenuListener_OnShowContextMenu
1556 };
1557
1558 /**********************************************************
1559  *      nsIURIContentListener interface
1560  */
1561
1562 static inline NSContainer *impl_from_nsIURIContentListener(nsIURIContentListener *iface)
1563 {
1564     return CONTAINING_RECORD(iface, NSContainer, nsIURIContentListener_iface);
1565 }
1566
1567 static nsresult NSAPI nsURIContentListener_QueryInterface(nsIURIContentListener *iface,
1568         nsIIDRef riid, void **result)
1569 {
1570     NSContainer *This = impl_from_nsIURIContentListener(iface);
1571     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1572 }
1573
1574 static nsrefcnt NSAPI nsURIContentListener_AddRef(nsIURIContentListener *iface)
1575 {
1576     NSContainer *This = impl_from_nsIURIContentListener(iface);
1577     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1578 }
1579
1580 static nsrefcnt NSAPI nsURIContentListener_Release(nsIURIContentListener *iface)
1581 {
1582     NSContainer *This = impl_from_nsIURIContentListener(iface);
1583     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1584 }
1585
1586 static nsresult NSAPI nsURIContentListener_OnStartURIOpen(nsIURIContentListener *iface,
1587                                                           nsIURI *aURI, cpp_bool *_retval)
1588 {
1589     NSContainer *This = impl_from_nsIURIContentListener(iface);
1590     nsACString spec_str;
1591     const char *spec;
1592     nsresult nsres;
1593
1594     nsACString_Init(&spec_str, NULL);
1595     nsIURI_GetSpec(aURI, &spec_str);
1596     nsACString_GetData(&spec_str, &spec);
1597
1598     TRACE("(%p)->(%p(%s) %p)\n", This, aURI, debugstr_a(spec), _retval);
1599
1600     nsACString_Finish(&spec_str);
1601
1602     nsres = on_start_uri_open(This, aURI, _retval);
1603     if(NS_FAILED(nsres))
1604         return nsres;
1605
1606     return !*_retval && This->content_listener
1607         ? nsIURIContentListener_OnStartURIOpen(This->content_listener, aURI, _retval)
1608         : NS_OK;
1609 }
1610
1611 static nsresult NSAPI nsURIContentListener_DoContent(nsIURIContentListener *iface,
1612         const nsACString *aContentType, cpp_bool aIsContentPreferred, nsIRequest *aRequest,
1613         nsIStreamListener **aContentHandler, cpp_bool *_retval)
1614 {
1615     NSContainer *This = impl_from_nsIURIContentListener(iface);
1616
1617     TRACE("(%p)->(%p %x %p %p %p)\n", This, aContentType, aIsContentPreferred,
1618             aRequest, aContentHandler, _retval);
1619
1620     return This->content_listener
1621         ? nsIURIContentListener_DoContent(This->content_listener, aContentType,
1622                   aIsContentPreferred, aRequest, aContentHandler, _retval)
1623         : NS_ERROR_NOT_IMPLEMENTED;
1624 }
1625
1626 static nsresult NSAPI nsURIContentListener_IsPreferred(nsIURIContentListener *iface,
1627         const char *aContentType, char **aDesiredContentType, cpp_bool *_retval)
1628 {
1629     NSContainer *This = impl_from_nsIURIContentListener(iface);
1630
1631     TRACE("(%p)->(%s %p %p)\n", This, debugstr_a(aContentType), aDesiredContentType, _retval);
1632
1633     /* FIXME: Should we do something here? */
1634     *_retval = TRUE;
1635
1636     return This->content_listener
1637         ? nsIURIContentListener_IsPreferred(This->content_listener, aContentType,
1638                   aDesiredContentType, _retval)
1639         : NS_OK;
1640 }
1641
1642 static nsresult NSAPI nsURIContentListener_CanHandleContent(nsIURIContentListener *iface,
1643         const char *aContentType, cpp_bool aIsContentPreferred, char **aDesiredContentType,
1644         cpp_bool *_retval)
1645 {
1646     NSContainer *This = impl_from_nsIURIContentListener(iface);
1647
1648     TRACE("(%p)->(%s %x %p %p)\n", This, debugstr_a(aContentType), aIsContentPreferred,
1649             aDesiredContentType, _retval);
1650
1651     return This->content_listener
1652         ? nsIURIContentListener_CanHandleContent(This->content_listener, aContentType,
1653                 aIsContentPreferred, aDesiredContentType, _retval)
1654         : NS_ERROR_NOT_IMPLEMENTED;
1655 }
1656
1657 static nsresult NSAPI nsURIContentListener_GetLoadCookie(nsIURIContentListener *iface,
1658         nsISupports **aLoadCookie)
1659 {
1660     NSContainer *This = impl_from_nsIURIContentListener(iface);
1661
1662     WARN("(%p)->(%p)\n", This, aLoadCookie);
1663
1664     return This->content_listener
1665         ? nsIURIContentListener_GetLoadCookie(This->content_listener, aLoadCookie)
1666         : NS_ERROR_NOT_IMPLEMENTED;
1667 }
1668
1669 static nsresult NSAPI nsURIContentListener_SetLoadCookie(nsIURIContentListener *iface,
1670         nsISupports *aLoadCookie)
1671 {
1672     NSContainer *This = impl_from_nsIURIContentListener(iface);
1673
1674     WARN("(%p)->(%p)\n", This, aLoadCookie);
1675
1676     return This->content_listener
1677         ? nsIURIContentListener_SetLoadCookie(This->content_listener, aLoadCookie)
1678         : NS_ERROR_NOT_IMPLEMENTED;
1679 }
1680
1681 static nsresult NSAPI nsURIContentListener_GetParentContentListener(nsIURIContentListener *iface,
1682         nsIURIContentListener **aParentContentListener)
1683 {
1684     NSContainer *This = impl_from_nsIURIContentListener(iface);
1685
1686     TRACE("(%p)->(%p)\n", This, aParentContentListener);
1687
1688     if(This->content_listener)
1689         nsIURIContentListener_AddRef(This->content_listener);
1690
1691     *aParentContentListener = This->content_listener;
1692     return NS_OK;
1693 }
1694
1695 static nsresult NSAPI nsURIContentListener_SetParentContentListener(nsIURIContentListener *iface,
1696         nsIURIContentListener *aParentContentListener)
1697 {
1698     NSContainer *This = impl_from_nsIURIContentListener(iface);
1699
1700     TRACE("(%p)->(%p)\n", This, aParentContentListener);
1701
1702     if(aParentContentListener == &This->nsIURIContentListener_iface)
1703         return NS_OK;
1704
1705     if(This->content_listener)
1706         nsIURIContentListener_Release(This->content_listener);
1707
1708     This->content_listener = aParentContentListener;
1709     if(This->content_listener)
1710         nsIURIContentListener_AddRef(This->content_listener);
1711
1712     return NS_OK;
1713 }
1714
1715 static const nsIURIContentListenerVtbl nsURIContentListenerVtbl = {
1716     nsURIContentListener_QueryInterface,
1717     nsURIContentListener_AddRef,
1718     nsURIContentListener_Release,
1719     nsURIContentListener_OnStartURIOpen,
1720     nsURIContentListener_DoContent,
1721     nsURIContentListener_IsPreferred,
1722     nsURIContentListener_CanHandleContent,
1723     nsURIContentListener_GetLoadCookie,
1724     nsURIContentListener_SetLoadCookie,
1725     nsURIContentListener_GetParentContentListener,
1726     nsURIContentListener_SetParentContentListener
1727 };
1728
1729 /**********************************************************
1730  *      nsIEmbeddinSiteWindow interface
1731  */
1732
1733 static inline NSContainer *impl_from_nsIEmbeddingSiteWindow(nsIEmbeddingSiteWindow *iface)
1734 {
1735     return CONTAINING_RECORD(iface, NSContainer, nsIEmbeddingSiteWindow_iface);
1736 }
1737
1738 static nsresult NSAPI nsEmbeddingSiteWindow_QueryInterface(nsIEmbeddingSiteWindow *iface,
1739         nsIIDRef riid, void **result)
1740 {
1741     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1742     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1743 }
1744
1745 static nsrefcnt NSAPI nsEmbeddingSiteWindow_AddRef(nsIEmbeddingSiteWindow *iface)
1746 {
1747     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1748     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1749 }
1750
1751 static nsrefcnt NSAPI nsEmbeddingSiteWindow_Release(nsIEmbeddingSiteWindow *iface)
1752 {
1753     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1754     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1755 }
1756
1757 static nsresult NSAPI nsEmbeddingSiteWindow_SetDimensions(nsIEmbeddingSiteWindow *iface,
1758         UINT32 flags, LONG x, LONG y, LONG cx, LONG cy)
1759 {
1760     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1761     WARN("(%p)->(%08x %d %d %d %d)\n", This, flags, x, y, cx, cy);
1762     return NS_ERROR_NOT_IMPLEMENTED;
1763 }
1764
1765 static nsresult NSAPI nsEmbeddingSiteWindow_GetDimensions(nsIEmbeddingSiteWindow *iface,
1766         UINT32 flags, LONG *x, LONG *y, LONG *cx, LONG *cy)
1767 {
1768     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1769     RECT r;
1770
1771     TRACE("(%p)->(%x %p %p %p %p)\n", This, flags, x, y, cx, cy);
1772
1773     if(!GetWindowRect(This->hwnd, &r)) {
1774         ERR("GetWindowRect failed\n");
1775         return NS_ERROR_FAILURE;
1776     }
1777
1778     if(x)
1779         *x = r.left;
1780     if(y)
1781         *y = r.top;
1782     if(cx)
1783         *cx = r.right-r.left;
1784     if(cy)
1785         *cy = r.bottom-r.top;
1786     return NS_OK;
1787 }
1788
1789 static nsresult NSAPI nsEmbeddingSiteWindow_SetFocus(nsIEmbeddingSiteWindow *iface)
1790 {
1791     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1792
1793     TRACE("(%p)\n", This);
1794
1795     return nsIBaseWindow_SetFocus(This->window);
1796 }
1797
1798 static nsresult NSAPI nsEmbeddingSiteWindow_GetVisibility(nsIEmbeddingSiteWindow *iface,
1799         cpp_bool *aVisibility)
1800 {
1801     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1802
1803     TRACE("(%p)->(%p)\n", This, aVisibility);
1804
1805     *aVisibility = This->doc && This->doc->hwnd && IsWindowVisible(This->doc->hwnd);
1806     return NS_OK;
1807 }
1808
1809 static nsresult NSAPI nsEmbeddingSiteWindow_SetVisibility(nsIEmbeddingSiteWindow *iface,
1810         cpp_bool aVisibility)
1811 {
1812     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1813
1814     TRACE("(%p)->(%x)\n", This, aVisibility);
1815
1816     return NS_OK;
1817 }
1818
1819 static nsresult NSAPI nsEmbeddingSiteWindow_GetTitle(nsIEmbeddingSiteWindow *iface,
1820         PRUnichar **aTitle)
1821 {
1822     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1823     WARN("(%p)->(%p)\n", This, aTitle);
1824     return NS_ERROR_NOT_IMPLEMENTED;
1825 }
1826
1827 static nsresult NSAPI nsEmbeddingSiteWindow_SetTitle(nsIEmbeddingSiteWindow *iface,
1828         const PRUnichar *aTitle)
1829 {
1830     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1831     WARN("(%p)->(%s)\n", This, debugstr_w(aTitle));
1832     return NS_ERROR_NOT_IMPLEMENTED;
1833 }
1834
1835 static nsresult NSAPI nsEmbeddingSiteWindow_GetSiteWindow(nsIEmbeddingSiteWindow *iface,
1836         void **aSiteWindow)
1837 {
1838     NSContainer *This = impl_from_nsIEmbeddingSiteWindow(iface);
1839
1840     TRACE("(%p)->(%p)\n", This, aSiteWindow);
1841
1842     *aSiteWindow = This->hwnd;
1843     return NS_OK;
1844 }
1845
1846 static const nsIEmbeddingSiteWindowVtbl nsEmbeddingSiteWindowVtbl = {
1847     nsEmbeddingSiteWindow_QueryInterface,
1848     nsEmbeddingSiteWindow_AddRef,
1849     nsEmbeddingSiteWindow_Release,
1850     nsEmbeddingSiteWindow_SetDimensions,
1851     nsEmbeddingSiteWindow_GetDimensions,
1852     nsEmbeddingSiteWindow_SetFocus,
1853     nsEmbeddingSiteWindow_GetVisibility,
1854     nsEmbeddingSiteWindow_SetVisibility,
1855     nsEmbeddingSiteWindow_GetTitle,
1856     nsEmbeddingSiteWindow_SetTitle,
1857     nsEmbeddingSiteWindow_GetSiteWindow
1858 };
1859
1860 static inline NSContainer *impl_from_nsITooltipListener(nsITooltipListener *iface)
1861 {
1862     return CONTAINING_RECORD(iface, NSContainer, nsITooltipListener_iface);
1863 }
1864
1865 static nsresult NSAPI nsTooltipListener_QueryInterface(nsITooltipListener *iface, nsIIDRef riid,
1866         void **result)
1867 {
1868     NSContainer *This = impl_from_nsITooltipListener(iface);
1869     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1870 }
1871
1872 static nsrefcnt NSAPI nsTooltipListener_AddRef(nsITooltipListener *iface)
1873 {
1874     NSContainer *This = impl_from_nsITooltipListener(iface);
1875     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1876 }
1877
1878 static nsrefcnt NSAPI nsTooltipListener_Release(nsITooltipListener *iface)
1879 {
1880     NSContainer *This = impl_from_nsITooltipListener(iface);
1881     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1882 }
1883
1884 static nsresult NSAPI nsTooltipListener_OnShowTooltip(nsITooltipListener *iface,
1885         LONG aXCoord, LONG aYCoord, const PRUnichar *aTipText)
1886 {
1887     NSContainer *This = impl_from_nsITooltipListener(iface);
1888
1889     if (This->doc)
1890         show_tooltip(This->doc, aXCoord, aYCoord, aTipText);
1891
1892     return NS_OK;
1893 }
1894
1895 static nsresult NSAPI nsTooltipListener_OnHideTooltip(nsITooltipListener *iface)
1896 {
1897     NSContainer *This = impl_from_nsITooltipListener(iface);
1898
1899     if (This->doc)
1900         hide_tooltip(This->doc);
1901
1902     return NS_OK;
1903 }
1904
1905 static const nsITooltipListenerVtbl nsTooltipListenerVtbl = {
1906     nsTooltipListener_QueryInterface,
1907     nsTooltipListener_AddRef,
1908     nsTooltipListener_Release,
1909     nsTooltipListener_OnShowTooltip,
1910     nsTooltipListener_OnHideTooltip
1911 };
1912
1913 static inline NSContainer *impl_from_nsIInterfaceRequestor(nsIInterfaceRequestor *iface)
1914 {
1915     return CONTAINING_RECORD(iface, NSContainer, nsIInterfaceRequestor_iface);
1916 }
1917
1918 static nsresult NSAPI nsInterfaceRequestor_QueryInterface(nsIInterfaceRequestor *iface,
1919         nsIIDRef riid, void **result)
1920 {
1921     NSContainer *This = impl_from_nsIInterfaceRequestor(iface);
1922     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1923 }
1924
1925 static nsrefcnt NSAPI nsInterfaceRequestor_AddRef(nsIInterfaceRequestor *iface)
1926 {
1927     NSContainer *This = impl_from_nsIInterfaceRequestor(iface);
1928     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1929 }
1930
1931 static nsrefcnt NSAPI nsInterfaceRequestor_Release(nsIInterfaceRequestor *iface)
1932 {
1933     NSContainer *This = impl_from_nsIInterfaceRequestor(iface);
1934     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1935 }
1936
1937 static nsresult NSAPI nsInterfaceRequestor_GetInterface(nsIInterfaceRequestor *iface,
1938         nsIIDRef riid, void **result)
1939 {
1940     NSContainer *This = impl_from_nsIInterfaceRequestor(iface);
1941
1942     if(IsEqualGUID(&IID_mozIDOMWindowProxy, riid)) {
1943         TRACE("(%p)->(IID_nsIDOMWindow %p)\n", This, result);
1944         return nsIWebBrowser_GetContentDOMWindow(This->webbrowser, (mozIDOMWindowProxy**)result);
1945     }
1946
1947     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1948 }
1949
1950 static const nsIInterfaceRequestorVtbl nsInterfaceRequestorVtbl = {
1951     nsInterfaceRequestor_QueryInterface,
1952     nsInterfaceRequestor_AddRef,
1953     nsInterfaceRequestor_Release,
1954     nsInterfaceRequestor_GetInterface
1955 };
1956
1957 static inline NSContainer *impl_from_nsISupportsWeakReference(nsISupportsWeakReference *iface)
1958 {
1959     return CONTAINING_RECORD(iface, NSContainer, nsISupportsWeakReference_iface);
1960 }
1961
1962 static nsresult NSAPI nsSupportsWeakReference_QueryInterface(nsISupportsWeakReference *iface,
1963         nsIIDRef riid, void **result)
1964 {
1965     NSContainer *This = impl_from_nsISupportsWeakReference(iface);
1966     return nsIWebBrowserChrome_QueryInterface(&This->nsIWebBrowserChrome_iface, riid, result);
1967 }
1968
1969 static nsrefcnt NSAPI nsSupportsWeakReference_AddRef(nsISupportsWeakReference *iface)
1970 {
1971     NSContainer *This = impl_from_nsISupportsWeakReference(iface);
1972     return nsIWebBrowserChrome_AddRef(&This->nsIWebBrowserChrome_iface);
1973 }
1974
1975 static nsrefcnt NSAPI nsSupportsWeakReference_Release(nsISupportsWeakReference *iface)
1976 {
1977     NSContainer *This = impl_from_nsISupportsWeakReference(iface);
1978     return nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
1979 }
1980
1981 static nsresult NSAPI nsSupportsWeakReference_GetWeakReference(nsISupportsWeakReference *iface,
1982         nsIWeakReference **_retval)
1983 {
1984     NSContainer *This = impl_from_nsISupportsWeakReference(iface);
1985
1986     TRACE("(%p)->(%p)\n", This, _retval);
1987
1988     if(!This->weak_reference) {
1989         This->weak_reference = heap_alloc(sizeof(nsWeakReference));
1990         if(!This->weak_reference)
1991             return NS_ERROR_OUT_OF_MEMORY;
1992
1993         This->weak_reference->nsIWeakReference_iface.lpVtbl = &nsWeakReferenceVtbl;
1994         This->weak_reference->ref = 1;
1995         This->weak_reference->nscontainer = This;
1996     }
1997
1998     *_retval = &This->weak_reference->nsIWeakReference_iface;
1999     nsIWeakReference_AddRef(*_retval);
2000     return NS_OK;
2001 }
2002
2003 static const nsISupportsWeakReferenceVtbl nsSupportsWeakReferenceVtbl = {
2004     nsSupportsWeakReference_QueryInterface,
2005     nsSupportsWeakReference_AddRef,
2006     nsSupportsWeakReference_Release,
2007     nsSupportsWeakReference_GetWeakReference
2008 };
2009
2010 static HRESULT init_nscontainer(NSContainer *nscontainer)
2011 {
2012     nsIWebBrowserSetup *wbsetup;
2013     nsIScrollable *scrollable;
2014     nsresult nsres;
2015
2016     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr, NS_WEBBROWSER_CONTRACTID,
2017             NULL, &IID_nsIWebBrowser, (void**)&nscontainer->webbrowser);
2018     if(NS_FAILED(nsres)) {
2019         ERR("Creating WebBrowser failed: %08x\n", nsres);
2020         return E_FAIL;
2021     }
2022
2023     nsres = nsIWebBrowser_SetContainerWindow(nscontainer->webbrowser, &nscontainer->nsIWebBrowserChrome_iface);
2024     if(NS_FAILED(nsres)) {
2025         ERR("SetContainerWindow failed: %08x\n", nsres);
2026         return E_FAIL;
2027     }
2028
2029     nsres = nsIWebBrowser_QueryInterface(nscontainer->webbrowser, &IID_nsIBaseWindow,
2030             (void**)&nscontainer->window);
2031     if(NS_FAILED(nsres)) {
2032         ERR("Could not get nsIBaseWindow interface: %08x\n", nsres);
2033         return E_FAIL;
2034     }
2035
2036     nsres = nsIWebBrowser_QueryInterface(nscontainer->webbrowser, &IID_nsIWebBrowserSetup,
2037                                          (void**)&wbsetup);
2038     if(NS_SUCCEEDED(nsres)) {
2039         nsres = nsIWebBrowserSetup_SetProperty(wbsetup, SETUP_IS_CHROME_WRAPPER, FALSE);
2040         nsIWebBrowserSetup_Release(wbsetup);
2041         if(NS_FAILED(nsres)) {
2042             ERR("SetProperty(SETUP_IS_CHROME_WRAPPER) failed: %08x\n", nsres);
2043             return E_FAIL;
2044         }
2045     }else {
2046         ERR("Could not get nsIWebBrowserSetup interface\n");
2047         return E_FAIL;
2048     }
2049
2050     nsres = nsIWebBrowser_QueryInterface(nscontainer->webbrowser, &IID_nsIWebNavigation,
2051             (void**)&nscontainer->navigation);
2052     if(NS_FAILED(nsres)) {
2053         ERR("Could not get nsIWebNavigation interface: %08x\n", nsres);
2054         return E_FAIL;
2055     }
2056
2057     nsres = nsIWebBrowser_QueryInterface(nscontainer->webbrowser, &IID_nsIWebBrowserFocus,
2058             (void**)&nscontainer->focus);
2059     if(NS_FAILED(nsres)) {
2060         ERR("Could not get nsIWebBrowserFocus interface: %08x\n", nsres);
2061         return E_FAIL;
2062     }
2063
2064     if(!nscontainer_class) {
2065         register_nscontainer_class();
2066         if(!nscontainer_class)
2067             return E_FAIL;
2068     }
2069
2070     nscontainer->hwnd = CreateWindowExW(0, wszNsContainer, NULL,
2071             WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 0, 0, 100, 100,
2072             GetDesktopWindow(), NULL, hInst, nscontainer);
2073     if(!nscontainer->hwnd) {
2074         WARN("Could not create window\n");
2075         return E_FAIL;
2076     }
2077
2078     nsres = nsIBaseWindow_InitWindow(nscontainer->window, nscontainer->hwnd, NULL, 0, 0, 100, 100);
2079     if(NS_SUCCEEDED(nsres)) {
2080         nsres = nsIBaseWindow_Create(nscontainer->window);
2081         if(NS_FAILED(nsres)) {
2082             WARN("Creating window failed: %08x\n", nsres);
2083             return E_FAIL;
2084         }
2085
2086         nsIBaseWindow_SetVisibility(nscontainer->window, FALSE);
2087         nsIBaseWindow_SetEnabled(nscontainer->window, FALSE);
2088     }else {
2089         ERR("InitWindow failed: %08x\n", nsres);
2090         return E_FAIL;
2091     }
2092
2093     nsres = nsIWebBrowser_SetParentURIContentListener(nscontainer->webbrowser,
2094             &nscontainer->nsIURIContentListener_iface);
2095     if(NS_FAILED(nsres))
2096         ERR("SetParentURIContentListener failed: %08x\n", nsres);
2097
2098     nsres = nsIWebBrowser_QueryInterface(nscontainer->webbrowser, &IID_nsIScrollable, (void**)&scrollable);
2099     if(NS_SUCCEEDED(nsres)) {
2100         nsres = nsIScrollable_SetDefaultScrollbarPreferences(scrollable,
2101                 ScrollOrientation_Y, Scrollbar_Always);
2102         if(NS_FAILED(nsres))
2103             ERR("Could not set default Y scrollbar prefs: %08x\n", nsres);
2104
2105         nsres = nsIScrollable_SetDefaultScrollbarPreferences(scrollable,
2106                 ScrollOrientation_X, Scrollbar_Auto);
2107         if(NS_FAILED(nsres))
2108             ERR("Could not set default X scrollbar prefs: %08x\n", nsres);
2109
2110         nsIScrollable_Release(scrollable);
2111     }else {
2112         ERR("Could not get nsIScrollable: %08x\n", nsres);
2113     }
2114
2115     return S_OK;
2116 }
2117
2118 HRESULT create_nscontainer(HTMLDocumentObj *doc, NSContainer **_ret)
2119 {
2120     NSContainer *ret;
2121     HRESULT hres;
2122
2123     if(!load_gecko())
2124         return CLASS_E_CLASSNOTAVAILABLE;
2125
2126     ret = heap_alloc_zero(sizeof(NSContainer));
2127     if(!ret)
2128         return E_OUTOFMEMORY;
2129
2130     ret->nsIWebBrowserChrome_iface.lpVtbl = &nsWebBrowserChromeVtbl;
2131     ret->nsIContextMenuListener_iface.lpVtbl = &nsContextMenuListenerVtbl;
2132     ret->nsIURIContentListener_iface.lpVtbl = &nsURIContentListenerVtbl;
2133     ret->nsIEmbeddingSiteWindow_iface.lpVtbl = &nsEmbeddingSiteWindowVtbl;
2134     ret->nsITooltipListener_iface.lpVtbl = &nsTooltipListenerVtbl;
2135     ret->nsIInterfaceRequestor_iface.lpVtbl = &nsInterfaceRequestorVtbl;
2136     ret->nsISupportsWeakReference_iface.lpVtbl = &nsSupportsWeakReferenceVtbl;
2137
2138     ret->doc = doc;
2139     ret->ref = 1;
2140
2141     hres = init_nscontainer(ret);
2142     if(SUCCEEDED(hres))
2143         *_ret = ret;
2144     else
2145         nsIWebBrowserChrome_Release(&ret->nsIWebBrowserChrome_iface);
2146     return hres;
2147 }
2148
2149 void NSContainer_Release(NSContainer *This)
2150 {
2151     TRACE("(%p)\n", This);
2152
2153     This->doc = NULL;
2154
2155     ShowWindow(This->hwnd, SW_HIDE);
2156     SetParent(This->hwnd, NULL);
2157
2158     nsIBaseWindow_SetVisibility(This->window, FALSE);
2159     nsIBaseWindow_Destroy(This->window);
2160
2161     nsIWebBrowser_SetContainerWindow(This->webbrowser, NULL);
2162
2163     nsIWebBrowser_Release(This->webbrowser);
2164     This->webbrowser = NULL;
2165
2166     nsIWebNavigation_Release(This->navigation);
2167     This->navigation = NULL;
2168
2169     nsIBaseWindow_Release(This->window);
2170     This->window = NULL;
2171
2172     nsIWebBrowserFocus_Release(This->focus);
2173     This->focus = NULL;
2174
2175     if(This->editor_controller) {
2176         nsIController_Release(This->editor_controller);
2177         This->editor_controller = NULL;
2178     }
2179
2180     if(This->editor) {
2181         nsIEditor_Release(This->editor);
2182         This->editor = NULL;
2183     }
2184
2185     if(This->content_listener) {
2186         nsIURIContentListener_Release(This->content_listener);
2187         This->content_listener = NULL;
2188     }
2189
2190     if(This->hwnd) {
2191         DestroyWindow(This->hwnd);
2192         This->hwnd = NULL;
2193     }
2194
2195     nsIWebBrowserChrome_Release(&This->nsIWebBrowserChrome_iface);
2196 }
2197
2198 /*
2199  * FIXME: nsIScriptObjectPrincipal uses thiscall calling convention, so we need this hack on i386.
2200  * This will be removed after the next Gecko update, that will change calling convention on Gecko side.
2201  */
2202 #ifdef __i386__
2203 __ASM_GLOBAL_FUNC(call_thiscall_func,
2204         "popl %eax\n\t"
2205         "popl %edx\n\t"
2206         "popl %ecx\n\t"
2207         "pushl %eax\n\t"
2208         "jmp *%edx\n\t")
2209 #define nsIScriptObjectPrincipal_GetPrincipal(this) ((void* (WINAPI*)(void*,void*))&call_thiscall_func)((this)->lpVtbl->GetPrincipal,this)
2210 #endif
2211
2212 nsIXMLHttpRequest *create_nsxhr(nsIDOMWindow *nswindow)
2213 {
2214     nsIScriptObjectPrincipal *sop;
2215     mozIDOMWindow *inner_window;
2216     nsIPrincipal *nspri;
2217     nsIGlobalObject *nsglo;
2218     nsIXMLHttpRequest *nsxhr;
2219     nsresult nsres;
2220
2221     nsres = nsIDOMWindow_GetInnerWindow(nswindow, &inner_window);
2222     if(NS_FAILED(nsres)) {
2223         ERR("Could not get inner window: %08x\n", nsres);
2224         return NULL;
2225     }
2226
2227     nsres = mozIDOMWindow_QueryInterface(inner_window, &IID_nsIGlobalObject, (void **)&nsglo);
2228     mozIDOMWindow_Release(inner_window);
2229     assert(nsres == NS_OK);
2230
2231     nsres = nsIGlobalObject_QueryInterface(nsglo, &IID_nsIScriptObjectPrincipal, (void**)&sop);
2232     assert(nsres == NS_OK);
2233
2234     nspri = nsIScriptObjectPrincipal_GetPrincipal(sop);
2235     nsIScriptObjectPrincipal_Release(sop);
2236
2237     nsres = nsIComponentManager_CreateInstanceByContractID(pCompMgr,
2238             NS_XMLHTTPREQUEST_CONTRACTID, NULL, &IID_nsIXMLHttpRequest,
2239             (void**)&nsxhr);
2240     if(NS_SUCCEEDED(nsres)) {
2241         nsres = nsIXMLHttpRequest_Init(nsxhr, nspri, NULL, nsglo, NULL, NULL);
2242         if(NS_FAILED(nsres))
2243             nsIXMLHttpRequest_Release(nsxhr);
2244     }
2245     nsISupports_Release(nspri);
2246     nsIGlobalObject_Release(nsglo);
2247     if(NS_FAILED(nsres)) {
2248         ERR("nsIXMLHttpRequest_Init failed: %08x\n", nsres);
2249         return NULL;
2250     }
2251
2252     return nsxhr;
2253 }