dlls/mshtml/persist.c

   1 /*
   2  * Copyright 2005 Jacek Caban
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25 #define NONAMELESSUNION
  26 #define NONAMELESSSTRUCT
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winuser.h"
  31 #include "ole2.h"
  32 #include "shlguid.h"
  33 #include "idispids.h"
  34
  35 #include "wine/debug.h"
  36 #include "wine/unicode.h"
  37
  38 #include "mshtml_private.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  41
  42 static nsIInputStream *get_post_data_stream(IBindCtx *bctx)
  43 {
  44     nsIInputStream *ret = NULL;
  45     IBindStatusCallback *callback;
  46     IHttpNegotiate *http_negotiate;
  47     BINDINFO bindinfo;
  48     DWORD bindf = 0;
  49     DWORD post_len = 0, headers_len = 0;
  50     LPWSTR headers = NULL;
  51     WCHAR emptystr[] = {0};
  52     char *data;
  53     HRESULT hres;
  54
  55     static WCHAR _BSCB_Holder_[] =
  56         {'_','B','S','C','B','_','H','o','l','d','e','r','_',0};
  57
  58
  59     /* FIXME: This should be done in URLMoniker */
  60     if(!bctx)
  61         return NULL;
  62
  63     hres = IBindCtx_GetObjectParam(bctx, _BSCB_Holder_, (IUnknown**)&callback);
  64     if(FAILED(hres))
  65         return NULL;
  66
  67     hres = IBindStatusCallback_QueryInterface(callback, &IID_IHttpNegotiate,
  68                                               (void**)&http_negotiate);
  69     if(SUCCEEDED(hres)) {
  70         hres = IHttpNegotiate_BeginningTransaction(http_negotiate, emptystr,
  71                                                    emptystr, 0, &headers);
  72         IHttpNegotiate_Release(http_negotiate);
  73
  74         if(SUCCEEDED(hres) && headers)
  75             headers_len = WideCharToMultiByte(CP_ACP, 0, headers, -1, NULL, 0, NULL, NULL);
  76     }
  77
  78     memset(&bindinfo, 0, sizeof(bindinfo));
  79     bindinfo.cbSize = sizeof(bindinfo);
  80
  81     hres = IBindStatusCallback_GetBindInfo(callback, &bindf, &bindinfo);
  82
  83     if(SUCCEEDED(hres) && bindinfo.dwBindVerb == BINDVERB_POST)
  84         post_len = bindinfo.cbstgmedData;
  85
  86     if(headers_len || post_len) {
  87         int len = headers_len ? headers_len-1 : 0;
  88
  89         static const char content_length[] = "Content-Length: %u\r\n\r\n";
  90
  91         data = mshtml_alloc(headers_len+post_len+sizeof(content_length)+8);
  92
  93         if(headers_len) {
  94             WideCharToMultiByte(CP_ACP, 0, headers, -1, data, -1, NULL, NULL);
  95             CoTaskMemFree(headers);
  96         }
  97
  98         if(post_len) {
  99             sprintf(data+len, content_length, post_len);
 100             len = strlen(data);
 101
 102             memcpy(data+len, bindinfo.stgmedData.u.hGlobal, post_len);
 103         }
 104
 105         TRACE("data = %s\n", debugstr_an(data, len+post_len));
 106
 107         ret = create_nsstream(data, len+post_len);
 108     }
 109
 110     ReleaseBindInfo(&bindinfo);
 111     IBindStatusCallback_Release(callback);
 112
 113     return ret;
 114 }
 115
 116 void set_current_mon(HTMLDocument *This, IMoniker *mon)
 117 {
 118     HRESULT hres;
 119
 120     if(This->mon) {
 121         IMoniker_Release(This->mon);
 122         This->mon = NULL;
 123     }
 124
 125     if(This->url) {
 126         SysFreeString(This->url);
 127         This->url = NULL;
 128     }
 129
 130     if(!mon)
 131         return;
 132
 133     IMoniker_AddRef(mon);
 134     This->mon = mon;
 135
 136     hres = IMoniker_GetDisplayName(mon, NULL, NULL, &This->url);
 137     if(FAILED(hres))
 138         WARN("GetDisplayName failed: %08x\n", hres);
 139 }
 140
 141 static HRESULT set_moniker(HTMLDocument *This, IMoniker *mon, IBindCtx *pibc, BOOL *bind_complete)
 142 {
 143     BSCallback *bscallback;
 144     LPOLESTR url = NULL;
 145     task_t *task;
 146     HRESULT hres;
 147     nsresult nsres;
 148
 149     if(pibc) {
 150         IUnknown *unk = NULL;
 151
 152         /* FIXME:
 153          * Use params:
 154          * "__PrecreatedObject"
 155          * "BIND_CONTEXT_PARAM"
 156          * "__HTMLLOADOPTIONS"
 157          * "__DWNBINDINFO"
 158          * "URL Context"
 159          * "CBinding Context"
 160          * "_ITransData_Object_"
 161          * "_EnumFORMATETC_"
 162          */
 163
 164         IBindCtx_GetObjectParam(pibc, (LPOLESTR)SZ_HTML_CLIENTSITE_OBJECTPARAM, &unk);
 165         if(unk) {
 166             IOleClientSite *client = NULL;
 167
 168             hres = IUnknown_QueryInterface(unk, &IID_IOleClientSite, (void**)&client);
 169             if(SUCCEEDED(hres)) {
 170                 TRACE("Got client site %p\n", client);
 171                 IOleObject_SetClientSite(OLEOBJ(This), client);
 172                 IOleClientSite_Release(client);
 173             }
 174
 175             IUnknown_Release(unk);
 176         }
 177     }
 178
 179     This->readystate = READYSTATE_LOADING;
 180     call_property_onchanged(This->cp_propnotif, DISPID_READYSTATE);
 181     update_doc(This, UPDATE_TITLE);
 182
 183     HTMLDocument_LockContainer(This, TRUE);
 184
 185     hres = IMoniker_GetDisplayName(mon, pibc, NULL, &url);
 186     if(FAILED(hres)) {
 187         WARN("GetDiaplayName failed: %08x\n", hres);
 188         return hres;
 189     }
 190
 191     TRACE("got url: %s\n", debugstr_w(url));
 192
 193     set_current_mon(This, mon);
 194
 195     if(This->client) {
 196         VARIANT silent, offline;
 197         IOleCommandTarget *cmdtrg = NULL;
 198
 199         hres = get_client_disp_property(This->client, DISPID_AMBIENT_SILENT, &silent);
 200         if(SUCCEEDED(hres)) {
 201             if(V_VT(&silent) != VT_BOOL)
 202                 WARN("V_VT(silent) = %d\n", V_VT(&silent));
 203             else if(V_BOOL(&silent))
 204                 FIXME("silent == true\n");
 205         }
 206
 207         hres = get_client_disp_property(This->client,
 208                 DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
 209         if(SUCCEEDED(hres)) {
 210             if(V_VT(&silent) != VT_BOOL)
 211                 WARN("V_VT(offline) = %d\n", V_VT(&silent));
 212             else if(V_BOOL(&silent))
 213                 FIXME("offline == true\n");
 214         }
 215
 216         hres = IOleClientSite_QueryInterface(This->client, &IID_IOleCommandTarget,
 217                 (void**)&cmdtrg);
 218         if(SUCCEEDED(hres)) {
 219             VARIANT var;
 220
 221             V_VT(&var) = VT_I4;
 222             V_I4(&var) = 0;
 223             IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 37, 0, &var, NULL);
 224
 225             IOleCommandTarget_Release(cmdtrg);
 226         }
 227     }
 228
 229     bscallback = create_bscallback(mon);
 230
 231     if(This->frame) {
 232         task = mshtml_alloc(sizeof(task_t));
 233
 234         task->doc = This;
 235         task->task_id = TASK_SETPROGRESS;
 236         task->next = NULL;
 237
 238         push_task(task);
 239     }
 240
 241     task = mshtml_alloc(sizeof(task_t));
 242
 243     task->doc = This;
 244     task->task_id = TASK_SETDOWNLOADSTATE;
 245     task->next = NULL;
 246
 247     push_task(task);
 248
 249     if(This->nscontainer) {
 250         nsIInputStream *post_data_stream = get_post_data_stream(pibc);
 251
 252         This->nscontainer->bscallback = bscallback;
 253         nsres = nsIWebNavigation_LoadURI(This->nscontainer->navigation, url,
 254                 LOAD_FLAGS_NONE, NULL, post_data_stream, NULL);
 255         This->nscontainer->bscallback = NULL;
 256
 257         if(post_data_stream)
 258             nsIInputStream_Release(post_data_stream);
 259
 260         if(NS_SUCCEEDED(nsres)) {
 261             /* FIXME: don't return here (URL Moniker needs to be good enough) */
 262
 263             IBindStatusCallback_Release(STATUSCLB(bscallback));
 264             CoTaskMemFree(url);
 265
 266             if(bind_complete)
 267                 *bind_complete = TRUE;
 268             return S_OK;
 269         }else if(nsres != WINE_NS_LOAD_FROM_MONIKER) {
 270             WARN("LoadURI failed: %08x\n", nsres);
 271         }
 272     }
 273
 274     set_document_bscallback(This, bscallback);
 275     IBindStatusCallback_Release(STATUSCLB(bscallback));
 276     CoTaskMemFree(url);
 277
 278     if(bind_complete)
 279         *bind_complete = FALSE;
 280     return S_OK;
 281 }
 282
 283 static HRESULT get_doc_string(HTMLDocument *This, char **str, DWORD *len)
 284 {
 285     nsIDOMDocument *nsdoc;
 286     nsIDOMNode *nsnode;
 287     LPCWSTR strw;
 288     nsAString nsstr;
 289     nsresult nsres;
 290
 291     if(!This->nscontainer) {
 292         WARN("no nscontainer, returning NULL\n");
 293         return S_OK;
 294     }
 295
 296     nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
 297     if(NS_FAILED(nsres)) {
 298         ERR("GetDocument failed: %08x\n", nsres);
 299         return E_FAIL;
 300     }
 301
 302     nsres = nsIDOMDocument_QueryInterface(nsdoc, &IID_nsIDOMNode, (void**)&nsnode);
 303     nsIDOMDocument_Release(nsdoc);
 304     if(NS_FAILED(nsres)) {
 305         ERR("Could not get nsIDOMNode failed: %08x\n", nsres);
 306         return E_FAIL;
 307     }
 308
 309     nsAString_Init(&nsstr, NULL);
 310     nsnode_to_nsstring(nsnode, &nsstr);
 311     nsIDOMNode_Release(nsnode);
 312
 313     nsAString_GetData(&nsstr, &strw, NULL);
 314     TRACE("%s\n", debugstr_w(strw));
 315
 316     *len = WideCharToMultiByte(CP_ACP, 0, strw, -1, NULL, 0, NULL, NULL);
 317     *str = mshtml_alloc(*len);
 318     WideCharToMultiByte(CP_ACP, 0, strw, -1, *str, *len, NULL, NULL);
 319
 320     nsAString_Finish(&nsstr);
 321
 322     return S_OK;
 323 }
 324
 325
 326 /**********************************************************
 327  * IPersistMoniker implementation
 328  */
 329
 330 #define PERSISTMON_THIS(iface) DEFINE_THIS(HTMLDocument, PersistMoniker, iface)
 331
 332 static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid,
 333                                                             void **ppvObject)
 334 {
 335     HTMLDocument *This = PERSISTMON_THIS(iface);
 336     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 337 }
 338
 339 static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
 340 {
 341     HTMLDocument *This = PERSISTMON_THIS(iface);
 342     return IHTMLDocument2_AddRef(HTMLDOC(This));
 343 }
 344
 345 static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
 346 {
 347     HTMLDocument *This = PERSISTMON_THIS(iface);
 348     return IHTMLDocument2_Release(HTMLDOC(This));
 349 }
 350
 351 static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
 352 {
 353     HTMLDocument *This = PERSISTMON_THIS(iface);
 354     return IPersist_GetClassID(PERSIST(This), pClassID);
 355 }
 356
 357 static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
 358 {
 359     HTMLDocument *This = PERSISTMON_THIS(iface);
 360
 361     TRACE("(%p)\n", This);
 362
 363     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 364 }
 365
 366 static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
 367         IMoniker *pimkName, LPBC pibc, DWORD grfMode)
 368 {
 369     HTMLDocument *This = PERSISTMON_THIS(iface);
 370     BOOL bind_complete = FALSE;
 371     HRESULT hres;
 372
 373     TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);
 374
 375     hres = set_moniker(This, pimkName, pibc, &bind_complete);
 376     if(FAILED(hres))
 377         return hres;
 378
 379     if(!bind_complete)
 380         return start_binding(This->bscallback);
 381
 382     return S_OK;
 383 }
 384
 385 static HRESULT WINAPI PersistMoniker_Save(IPersistMoniker *iface, IMoniker *pimkName,
 386         LPBC pbc, BOOL fRemember)
 387 {
 388     HTMLDocument *This = PERSISTMON_THIS(iface);
 389     FIXME("(%p)->(%p %p %x)\n", This, pimkName, pbc, fRemember);
 390     return E_NOTIMPL;
 391 }
 392
 393 static HRESULT WINAPI PersistMoniker_SaveCompleted(IPersistMoniker *iface, IMoniker *pimkName, LPBC pibc)
 394 {
 395     HTMLDocument *This = PERSISTMON_THIS(iface);
 396     FIXME("(%p)->(%p %p)\n", This, pimkName, pibc);
 397     return E_NOTIMPL;
 398 }
 399
 400 static HRESULT WINAPI PersistMoniker_GetCurMoniker(IPersistMoniker *iface, IMoniker **ppimkName)
 401 {
 402     HTMLDocument *This = PERSISTMON_THIS(iface);
 403
 404     TRACE("(%p)->(%p)\n", This, ppimkName);
 405
 406     if(!This->mon)
 407         return E_UNEXPECTED;
 408
 409     IMoniker_AddRef(This->mon);
 410     *ppimkName = This->mon;
 411     return S_OK;
 412 }
 413
 414 static const IPersistMonikerVtbl PersistMonikerVtbl = {
 415     PersistMoniker_QueryInterface,
 416     PersistMoniker_AddRef,
 417     PersistMoniker_Release,
 418     PersistMoniker_GetClassID,
 419     PersistMoniker_IsDirty,
 420     PersistMoniker_Load,
 421     PersistMoniker_Save,
 422     PersistMoniker_SaveCompleted,
 423     PersistMoniker_GetCurMoniker
 424 };
 425
 426 /**********************************************************
 427  * IMonikerProp implementation
 428  */
 429
 430 #define MONPROP_THIS(iface) DEFINE_THIS(HTMLDocument, MonikerProp, iface)
 431
 432 static HRESULT WINAPI MonikerProp_QueryInterface(IMonikerProp *iface, REFIID riid, void **ppvObject)
 433 {
 434     HTMLDocument *This = MONPROP_THIS(iface);
 435     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 436 }
 437
 438 static ULONG WINAPI MonikerProp_AddRef(IMonikerProp *iface)
 439 {
 440     HTMLDocument *This = MONPROP_THIS(iface);
 441     return IHTMLDocument2_AddRef(HTMLDOC(This));
 442 }
 443
 444 static ULONG WINAPI MonikerProp_Release(IMonikerProp *iface)
 445 {
 446     HTMLDocument *This = MONPROP_THIS(iface);
 447     return IHTMLDocument_Release(HTMLDOC(This));
 448 }
 449
 450 static HRESULT WINAPI MonikerProp_PutProperty(IMonikerProp *iface, MONIKERPROPERTY mkp, LPCWSTR val)
 451 {
 452     HTMLDocument *This = MONPROP_THIS(iface);
 453     FIXME("(%p)->(%d %s)\n", This, mkp, debugstr_w(val));
 454     return E_NOTIMPL;
 455 }
 456
 457 static const IMonikerPropVtbl MonikerPropVtbl = {
 458     MonikerProp_QueryInterface,
 459     MonikerProp_AddRef,
 460     MonikerProp_Release,
 461     MonikerProp_PutProperty
 462 };
 463
 464 /**********************************************************
 465  * IPersistFile implementation
 466  */
 467
 468 #define PERSISTFILE_THIS(iface) DEFINE_THIS(HTMLDocument, PersistFile, iface)
 469
 470 static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppvObject)
 471 {
 472     HTMLDocument *This = PERSISTFILE_THIS(iface);
 473     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 474 }
 475
 476 static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
 477 {
 478     HTMLDocument *This = PERSISTFILE_THIS(iface);
 479     return IHTMLDocument2_AddRef(HTMLDOC(This));
 480 }
 481
 482 static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
 483 {
 484     HTMLDocument *This = PERSISTFILE_THIS(iface);
 485     return IHTMLDocument2_Release(HTMLDOC(This));
 486 }
 487
 488 static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
 489 {
 490     HTMLDocument *This = PERSISTFILE_THIS(iface);
 491
 492     TRACE("(%p)->(%p)\n", This, pClassID);
 493
 494     if(!pClassID)
 495         return E_INVALIDARG;
 496
 497     memcpy(pClassID, &CLSID_HTMLDocument, sizeof(CLSID));
 498     return S_OK;
 499 }
 500
 501 static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
 502 {
 503     HTMLDocument *This = PERSISTFILE_THIS(iface);
 504
 505     TRACE("(%p)\n", This);
 506
 507     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 508 }
 509
 510 static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
 511 {
 512     HTMLDocument *This = PERSISTFILE_THIS(iface);
 513     FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
 514     return E_NOTIMPL;
 515 }
 516
 517 static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
 518 {
 519     HTMLDocument *This = PERSISTFILE_THIS(iface);
 520     char *str;
 521     DWORD len, written=0;
 522     HANDLE file;
 523     HRESULT hres;
 524
 525     TRACE("(%p)->(%s %x)\n", This, debugstr_w(pszFileName), fRemember);
 526
 527     file = CreateFileW(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 528                        FILE_ATTRIBUTE_NORMAL, NULL);
 529     if(file == INVALID_HANDLE_VALUE) {
 530         WARN("Could not create file: %u\n", GetLastError());
 531         return E_FAIL;
 532     }
 533
 534     hres = get_doc_string(This, &str, &len);
 535     if(FAILED(hres))
 536         return hres;
 537
 538     WriteFile(file, str, len, &written, NULL);
 539     CloseHandle(file);
 540     return S_OK;
 541 }
 542
 543 static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
 544 {
 545     HTMLDocument *This = PERSISTFILE_THIS(iface);
 546     FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
 547     return E_NOTIMPL;
 548 }
 549
 550 static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
 551 {
 552     HTMLDocument *This = PERSISTFILE_THIS(iface);
 553     FIXME("(%p)->(%p)\n", This, pszFileName);
 554     return E_NOTIMPL;
 555 }
 556
 557 static const IPersistFileVtbl PersistFileVtbl = {
 558     PersistFile_QueryInterface,
 559     PersistFile_AddRef,
 560     PersistFile_Release,
 561     PersistFile_GetClassID,
 562     PersistFile_IsDirty,
 563     PersistFile_Load,
 564     PersistFile_Save,
 565     PersistFile_SaveCompleted,
 566     PersistFile_GetCurFile
 567 };
 568
 569 #define PERSTRINIT_THIS(iface) DEFINE_THIS(HTMLDocument, PersistStreamInit, iface)
 570
 571 static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
 572                                                        REFIID riid, void **ppv)
 573 {
 574     HTMLDocument *This = PERSTRINIT_THIS(iface);
 575     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppv);
 576 }
 577
 578 static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
 579 {
 580     HTMLDocument *This = PERSTRINIT_THIS(iface);
 581     return IHTMLDocument2_AddRef(HTMLDOC(This));
 582 }
 583
 584 static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
 585 {
 586     HTMLDocument *This = PERSTRINIT_THIS(iface);
 587     return IHTMLDocument2_Release(HTMLDOC(This));
 588 }
 589
 590 static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
 591 {
 592     HTMLDocument *This = PERSTRINIT_THIS(iface);
 593     return IPersist_GetClassID(PERSIST(This), pClassID);
 594 }
 595
 596 static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
 597 {
 598     HTMLDocument *This = PERSTRINIT_THIS(iface);
 599
 600     TRACE("(%p)\n", This);
 601
 602     if(This->usermode == EDITMODE)
 603         FIXME("Unimplemented in edit mode\n");
 604
 605     return S_FALSE;
 606 }
 607
 608 static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM pStm)
 609 {
 610     HTMLDocument *This = PERSTRINIT_THIS(iface);
 611     IMoniker *mon;
 612     HRESULT hres;
 613
 614     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
 615
 616     TRACE("(%p)->(%p)\n", This, pStm);
 617
 618     hres = CreateURLMoniker(NULL, about_blankW, &mon);
 619     if(FAILED(hres)) {
 620         WARN("CreateURLMoniker failed: %08x\n", hres);
 621         return hres;
 622     }
 623
 624     hres = set_moniker(This, mon, NULL, NULL);
 625     IMoniker_Release(mon);
 626     if(FAILED(hres))
 627         return hres;
 628
 629     return load_stream(This->bscallback, pStm);
 630 }
 631
 632 static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM pStm,
 633                                              BOOL fClearDirty)
 634 {
 635     HTMLDocument *This = PERSTRINIT_THIS(iface);
 636     char *str;
 637     DWORD len, written=0;
 638     HRESULT hres;
 639
 640     WARN("(%p)->(%p %x) needs more work\n", This, pStm, fClearDirty);
 641
 642     hres = get_doc_string(This, &str, &len);
 643     if(FAILED(hres))
 644         return hres;
 645
 646
 647     hres = IStream_Write(pStm, str, len, &written);
 648     if(FAILED(hres))
 649         FIXME("Write failed: %08x\n", hres);
 650
 651     mshtml_free(str);
 652     return S_OK;
 653 }
 654
 655 static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
 656                                                    ULARGE_INTEGER *pcbSize)
 657 {
 658     HTMLDocument *This = PERSTRINIT_THIS(iface);
 659     FIXME("(%p)->(%p)\n", This, pcbSize);
 660     return E_NOTIMPL;
 661 }
 662
 663 static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
 664 {
 665     HTMLDocument *This = PERSTRINIT_THIS(iface);
 666     FIXME("(%p)\n", This);
 667     return E_NOTIMPL;
 668 }
 669
 670 #undef PERSTRINIT_THIS
 671
 672 static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
 673     PersistStreamInit_QueryInterface,
 674     PersistStreamInit_AddRef,
 675     PersistStreamInit_Release,
 676     PersistStreamInit_GetClassID,
 677     PersistStreamInit_IsDirty,
 678     PersistStreamInit_Load,
 679     PersistStreamInit_Save,
 680     PersistStreamInit_GetSizeMax,
 681     PersistStreamInit_InitNew
 682 };
 683
 684 void HTMLDocument_Persist_Init(HTMLDocument *This)
 685 {
 686     This->lpPersistMonikerVtbl = &PersistMonikerVtbl;
 687     This->lpPersistFileVtbl = &PersistFileVtbl;
 688     This->lpMonikerPropVtbl = &MonikerPropVtbl;
 689     This->lpPersistStreamInitVtbl = &PersistStreamInitVtbl;
 690
 691     This->bscallback = NULL;
 692     This->mon = NULL;
 693     This->url = NULL;
 694 }