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 static HRESULT set_moniker(HTMLDocument *This, IMoniker *mon, IBindCtx *pibc, BOOL *bind_complete)
 117 {
 118     BSCallback *bscallback;
 119     LPOLESTR url = NULL;
 120     task_t *task;
 121     HRESULT hres;
 122     nsresult nsres;
 123
 124     if(pibc) {
 125         IUnknown *unk = NULL;
 126
 127         /* FIXME:
 128          * Use params:
 129          * "__PrecreatedObject"
 130          * "BIND_CONTEXT_PARAM"
 131          * "__HTMLLOADOPTIONS"
 132          * "__DWNBINDINFO"
 133          * "URL Context"
 134          * "CBinding Context"
 135          * "_ITransData_Object_"
 136          * "_EnumFORMATETC_"
 137          */
 138
 139         IBindCtx_GetObjectParam(pibc, (LPOLESTR)SZ_HTML_CLIENTSITE_OBJECTPARAM, &unk);
 140         if(unk) {
 141             IOleClientSite *client = NULL;
 142
 143             hres = IUnknown_QueryInterface(unk, &IID_IOleClientSite, (void**)&client);
 144             if(SUCCEEDED(hres)) {
 145                 TRACE("Got client site %p\n", client);
 146                 IOleObject_SetClientSite(OLEOBJ(This), client);
 147                 IOleClientSite_Release(client);
 148             }
 149
 150             IUnknown_Release(unk);
 151         }
 152     }
 153
 154     This->readystate = READYSTATE_LOADING;
 155     call_property_onchanged(This->cp_propnotif, DISPID_READYSTATE);
 156     update_doc(This, UPDATE_TITLE);
 157
 158     HTMLDocument_LockContainer(This, TRUE);
 159
 160     hres = IMoniker_GetDisplayName(mon, pibc, NULL, &url);
 161     if(FAILED(hres)) {
 162         WARN("GetDiaplayName failed: %08x\n", hres);
 163         return hres;
 164     }
 165
 166     TRACE("got url: %s\n", debugstr_w(url));
 167
 168     if(This->client) {
 169         VARIANT silent, offline;
 170         IOleCommandTarget *cmdtrg = NULL;
 171
 172         hres = get_client_disp_property(This->client, DISPID_AMBIENT_SILENT, &silent);
 173         if(SUCCEEDED(hres)) {
 174             if(V_VT(&silent) != VT_BOOL)
 175                 WARN("V_VT(silent) = %d\n", V_VT(&silent));
 176             else if(V_BOOL(&silent))
 177                 FIXME("silent == true\n");
 178         }
 179
 180         hres = get_client_disp_property(This->client,
 181                 DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
 182         if(SUCCEEDED(hres)) {
 183             if(V_VT(&silent) != VT_BOOL)
 184                 WARN("V_VT(offline) = %d\n", V_VT(&silent));
 185             else if(V_BOOL(&silent))
 186                 FIXME("offline == true\n");
 187         }
 188
 189         hres = IOleClientSite_QueryInterface(This->client, &IID_IOleCommandTarget,
 190                 (void**)&cmdtrg);
 191         if(SUCCEEDED(hres)) {
 192             VARIANT var;
 193
 194             V_VT(&var) = VT_I4;
 195             V_I4(&var) = 0;
 196             IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 37, 0, &var, NULL);
 197
 198             IOleCommandTarget_Release(cmdtrg);
 199         }
 200     }
 201
 202     bscallback = create_bscallback(mon);
 203
 204     if(This->frame) {
 205         task = mshtml_alloc(sizeof(task_t));
 206
 207         task->doc = This;
 208         task->task_id = TASK_SETPROGRESS;
 209         task->next = NULL;
 210
 211         push_task(task);
 212     }
 213
 214     task = mshtml_alloc(sizeof(task_t));
 215
 216     task->doc = This;
 217     task->task_id = TASK_SETDOWNLOADSTATE;
 218     task->next = NULL;
 219
 220     push_task(task);
 221
 222     if(This->nscontainer) {
 223         nsIInputStream *post_data_stream = get_post_data_stream(pibc);
 224
 225         This->nscontainer->bscallback = bscallback;
 226         nsres = nsIWebNavigation_LoadURI(This->nscontainer->navigation, url,
 227                 LOAD_FLAGS_NONE, NULL, post_data_stream, NULL);
 228         This->nscontainer->bscallback = NULL;
 229
 230         if(post_data_stream)
 231             nsIInputStream_Release(post_data_stream);
 232
 233         if(NS_SUCCEEDED(nsres)) {
 234             /* FIXME: don't return here (URL Moniker needs to be good enough) */
 235
 236             IBindStatusCallback_Release(STATUSCLB(bscallback));
 237             CoTaskMemFree(url);
 238
 239             if(bind_complete)
 240                 *bind_complete = TRUE;
 241             return S_OK;
 242         }else if(nsres != WINE_NS_LOAD_FROM_MONIKER) {
 243             WARN("LoadURI failed: %08x\n", nsres);
 244         }
 245     }
 246
 247     set_document_bscallback(This, bscallback);
 248     IBindStatusCallback_Release(STATUSCLB(bscallback));
 249     CoTaskMemFree(url);
 250
 251     if(bind_complete)
 252         *bind_complete = FALSE;
 253     return S_OK;
 254 }
 255
 256 static HRESULT get_doc_string(HTMLDocument *This, char **str, DWORD *len)
 257 {
 258     nsIDOMDocument *nsdoc;
 259     nsIDOMNode *nsnode;
 260     LPCWSTR strw;
 261     nsAString nsstr;
 262     nsresult nsres;
 263
 264     if(!This->nscontainer) {
 265         WARN("no nscontainer, returning NULL\n");
 266         return S_OK;
 267     }
 268
 269     nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
 270     if(NS_FAILED(nsres)) {
 271         ERR("GetDocument failed: %08x\n", nsres);
 272         return E_FAIL;
 273     }
 274
 275     nsres = nsIDOMDocument_QueryInterface(nsdoc, &IID_nsIDOMNode, (void**)&nsnode);
 276     nsIDOMDocument_Release(nsdoc);
 277     if(NS_FAILED(nsres)) {
 278         ERR("Could not get nsIDOMNode failed: %08x\n", nsres);
 279         return E_FAIL;
 280     }
 281
 282     nsAString_Init(&nsstr, NULL);
 283     nsnode_to_nsstring(nsnode, &nsstr);
 284     nsIDOMNode_Release(nsnode);
 285
 286     nsAString_GetData(&nsstr, &strw, NULL);
 287     TRACE("%s\n", debugstr_w(strw));
 288
 289     *len = WideCharToMultiByte(CP_ACP, 0, strw, -1, NULL, 0, NULL, NULL);
 290     *str = mshtml_alloc(*len);
 291     WideCharToMultiByte(CP_ACP, 0, strw, -1, *str, *len, NULL, NULL);
 292
 293     nsAString_Finish(&nsstr);
 294
 295     return S_OK;
 296 }
 297
 298
 299 /**********************************************************
 300  * IPersistMoniker implementation
 301  */
 302
 303 #define PERSISTMON_THIS(iface) DEFINE_THIS(HTMLDocument, PersistMoniker, iface)
 304
 305 static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid,
 306                                                             void **ppvObject)
 307 {
 308     HTMLDocument *This = PERSISTMON_THIS(iface);
 309     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 310 }
 311
 312 static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
 313 {
 314     HTMLDocument *This = PERSISTMON_THIS(iface);
 315     return IHTMLDocument2_AddRef(HTMLDOC(This));
 316 }
 317
 318 static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
 319 {
 320     HTMLDocument *This = PERSISTMON_THIS(iface);
 321     return IHTMLDocument2_Release(HTMLDOC(This));
 322 }
 323
 324 static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
 325 {
 326     HTMLDocument *This = PERSISTMON_THIS(iface);
 327     return IPersist_GetClassID(PERSIST(This), pClassID);
 328 }
 329
 330 static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
 331 {
 332     HTMLDocument *This = PERSISTMON_THIS(iface);
 333
 334     TRACE("(%p)\n", This);
 335
 336     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 337 }
 338
 339 static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
 340         IMoniker *pimkName, LPBC pibc, DWORD grfMode)
 341 {
 342     HTMLDocument *This = PERSISTMON_THIS(iface);
 343     BOOL bind_complete = FALSE;
 344     HRESULT hres;
 345
 346     TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);
 347
 348     hres = set_moniker(This, pimkName, pibc, &bind_complete);
 349     if(FAILED(hres))
 350         return hres;
 351
 352     if(!bind_complete)
 353         return start_binding(This->bscallback);
 354
 355     return S_OK;
 356 }
 357
 358 static HRESULT WINAPI PersistMoniker_Save(IPersistMoniker *iface, IMoniker *pimkName,
 359         LPBC pbc, BOOL fRemember)
 360 {
 361     HTMLDocument *This = PERSISTMON_THIS(iface);
 362     FIXME("(%p)->(%p %p %x)\n", This, pimkName, pbc, fRemember);
 363     return E_NOTIMPL;
 364 }
 365
 366 static HRESULT WINAPI PersistMoniker_SaveCompleted(IPersistMoniker *iface, IMoniker *pimkName, LPBC pibc)
 367 {
 368     HTMLDocument *This = PERSISTMON_THIS(iface);
 369     FIXME("(%p)->(%p %p)\n", This, pimkName, pibc);
 370     return E_NOTIMPL;
 371 }
 372
 373 static HRESULT WINAPI PersistMoniker_GetCurMoniker(IPersistMoniker *iface, IMoniker **ppimkName)
 374 {
 375     HTMLDocument *This = PERSISTMON_THIS(iface);
 376     FIXME("(%p)->(%p)\n", This, ppimkName);
 377     return E_NOTIMPL;
 378 }
 379
 380 static const IPersistMonikerVtbl PersistMonikerVtbl = {
 381     PersistMoniker_QueryInterface,
 382     PersistMoniker_AddRef,
 383     PersistMoniker_Release,
 384     PersistMoniker_GetClassID,
 385     PersistMoniker_IsDirty,
 386     PersistMoniker_Load,
 387     PersistMoniker_Save,
 388     PersistMoniker_SaveCompleted,
 389     PersistMoniker_GetCurMoniker
 390 };
 391
 392 /**********************************************************
 393  * IMonikerProp implementation
 394  */
 395
 396 #define MONPROP_THIS(iface) DEFINE_THIS(HTMLDocument, MonikerProp, iface)
 397
 398 static HRESULT WINAPI MonikerProp_QueryInterface(IMonikerProp *iface, REFIID riid, void **ppvObject)
 399 {
 400     HTMLDocument *This = MONPROP_THIS(iface);
 401     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 402 }
 403
 404 static ULONG WINAPI MonikerProp_AddRef(IMonikerProp *iface)
 405 {
 406     HTMLDocument *This = MONPROP_THIS(iface);
 407     return IHTMLDocument2_AddRef(HTMLDOC(This));
 408 }
 409
 410 static ULONG WINAPI MonikerProp_Release(IMonikerProp *iface)
 411 {
 412     HTMLDocument *This = MONPROP_THIS(iface);
 413     return IHTMLDocument_Release(HTMLDOC(This));
 414 }
 415
 416 static HRESULT WINAPI MonikerProp_PutProperty(IMonikerProp *iface, MONIKERPROPERTY mkp, LPCWSTR val)
 417 {
 418     HTMLDocument *This = MONPROP_THIS(iface);
 419     FIXME("(%p)->(%d %s)\n", This, mkp, debugstr_w(val));
 420     return E_NOTIMPL;
 421 }
 422
 423 static const IMonikerPropVtbl MonikerPropVtbl = {
 424     MonikerProp_QueryInterface,
 425     MonikerProp_AddRef,
 426     MonikerProp_Release,
 427     MonikerProp_PutProperty
 428 };
 429
 430 /**********************************************************
 431  * IPersistFile implementation
 432  */
 433
 434 #define PERSISTFILE_THIS(iface) DEFINE_THIS(HTMLDocument, PersistFile, iface)
 435
 436 static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppvObject)
 437 {
 438     HTMLDocument *This = PERSISTFILE_THIS(iface);
 439     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 440 }
 441
 442 static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
 443 {
 444     HTMLDocument *This = PERSISTFILE_THIS(iface);
 445     return IHTMLDocument2_AddRef(HTMLDOC(This));
 446 }
 447
 448 static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
 449 {
 450     HTMLDocument *This = PERSISTFILE_THIS(iface);
 451     return IHTMLDocument2_Release(HTMLDOC(This));
 452 }
 453
 454 static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
 455 {
 456     HTMLDocument *This = PERSISTFILE_THIS(iface);
 457
 458     TRACE("(%p)->(%p)\n", This, pClassID);
 459
 460     if(!pClassID)
 461         return E_INVALIDARG;
 462
 463     memcpy(pClassID, &CLSID_HTMLDocument, sizeof(CLSID));
 464     return S_OK;
 465 }
 466
 467 static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
 468 {
 469     HTMLDocument *This = PERSISTFILE_THIS(iface);
 470
 471     TRACE("(%p)\n", This);
 472
 473     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 474 }
 475
 476 static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
 477 {
 478     HTMLDocument *This = PERSISTFILE_THIS(iface);
 479     FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
 480     return E_NOTIMPL;
 481 }
 482
 483 static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
 484 {
 485     HTMLDocument *This = PERSISTFILE_THIS(iface);
 486     char *str;
 487     DWORD len, written=0;
 488     HANDLE file;
 489     HRESULT hres;
 490
 491     TRACE("(%p)->(%s %x)\n", This, debugstr_w(pszFileName), fRemember);
 492
 493     file = CreateFileW(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 494                        FILE_ATTRIBUTE_NORMAL, NULL);
 495     if(file == INVALID_HANDLE_VALUE) {
 496         WARN("Could not create file: %u\n", GetLastError());
 497         return E_FAIL;
 498     }
 499
 500     hres = get_doc_string(This, &str, &len);
 501     if(FAILED(hres))
 502         return hres;
 503
 504     WriteFile(file, str, len, &written, NULL);
 505     CloseHandle(file);
 506     return S_OK;
 507 }
 508
 509 static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
 510 {
 511     HTMLDocument *This = PERSISTFILE_THIS(iface);
 512     FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
 513     return E_NOTIMPL;
 514 }
 515
 516 static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
 517 {
 518     HTMLDocument *This = PERSISTFILE_THIS(iface);
 519     FIXME("(%p)->(%p)\n", This, pszFileName);
 520     return E_NOTIMPL;
 521 }
 522
 523 static const IPersistFileVtbl PersistFileVtbl = {
 524     PersistFile_QueryInterface,
 525     PersistFile_AddRef,
 526     PersistFile_Release,
 527     PersistFile_GetClassID,
 528     PersistFile_IsDirty,
 529     PersistFile_Load,
 530     PersistFile_Save,
 531     PersistFile_SaveCompleted,
 532     PersistFile_GetCurFile
 533 };
 534
 535 #define PERSTRINIT_THIS(iface) DEFINE_THIS(HTMLDocument, PersistStreamInit, iface)
 536
 537 static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
 538                                                        REFIID riid, void **ppv)
 539 {
 540     HTMLDocument *This = PERSTRINIT_THIS(iface);
 541     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppv);
 542 }
 543
 544 static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
 545 {
 546     HTMLDocument *This = PERSTRINIT_THIS(iface);
 547     return IHTMLDocument2_AddRef(HTMLDOC(This));
 548 }
 549
 550 static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
 551 {
 552     HTMLDocument *This = PERSTRINIT_THIS(iface);
 553     return IHTMLDocument2_Release(HTMLDOC(This));
 554 }
 555
 556 static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
 557 {
 558     HTMLDocument *This = PERSTRINIT_THIS(iface);
 559     return IPersist_GetClassID(PERSIST(This), pClassID);
 560 }
 561
 562 static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
 563 {
 564     HTMLDocument *This = PERSTRINIT_THIS(iface);
 565
 566     TRACE("(%p)\n", This);
 567
 568     if(This->usermode == EDITMODE)
 569         FIXME("Unimplemented in edit mode\n");
 570
 571     return S_FALSE;
 572 }
 573
 574 static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM pStm)
 575 {
 576     HTMLDocument *This = PERSTRINIT_THIS(iface);
 577     IMoniker *mon;
 578     HRESULT hres;
 579
 580     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
 581
 582     TRACE("(%p)->(%p)\n", This, pStm);
 583
 584     hres = CreateURLMoniker(NULL, about_blankW, &mon);
 585     if(FAILED(hres)) {
 586         WARN("CreateURLMoniker failed: %08x\n", hres);
 587         return hres;
 588     }
 589
 590     hres = set_moniker(This, mon, NULL, NULL);
 591     IMoniker_Release(mon);
 592     if(FAILED(hres))
 593         return hres;
 594
 595     return load_stream(This->bscallback, pStm);
 596 }
 597
 598 static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM pStm,
 599                                              BOOL fClearDirty)
 600 {
 601     HTMLDocument *This = PERSTRINIT_THIS(iface);
 602     char *str;
 603     DWORD len, written=0;
 604     HRESULT hres;
 605
 606     WARN("(%p)->(%p %x) needs more work\n", This, pStm, fClearDirty);
 607
 608     hres = get_doc_string(This, &str, &len);
 609     if(FAILED(hres))
 610         return hres;
 611
 612
 613     hres = IStream_Write(pStm, str, len, &written);
 614     if(FAILED(hres))
 615         FIXME("Write failed: %08x\n", hres);
 616
 617     mshtml_free(str);
 618     return S_OK;
 619 }
 620
 621 static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
 622                                                    ULARGE_INTEGER *pcbSize)
 623 {
 624     HTMLDocument *This = PERSTRINIT_THIS(iface);
 625     FIXME("(%p)->(%p)\n", This, pcbSize);
 626     return E_NOTIMPL;
 627 }
 628
 629 static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
 630 {
 631     HTMLDocument *This = PERSTRINIT_THIS(iface);
 632     FIXME("(%p)\n", This);
 633     return E_NOTIMPL;
 634 }
 635
 636 #undef PERSTRINIT_THIS
 637
 638 static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
 639     PersistStreamInit_QueryInterface,
 640     PersistStreamInit_AddRef,
 641     PersistStreamInit_Release,
 642     PersistStreamInit_GetClassID,
 643     PersistStreamInit_IsDirty,
 644     PersistStreamInit_Load,
 645     PersistStreamInit_Save,
 646     PersistStreamInit_GetSizeMax,
 647     PersistStreamInit_InitNew
 648 };
 649
 650 void HTMLDocument_Persist_Init(HTMLDocument *This)
 651 {
 652     This->lpPersistMonikerVtbl = &PersistMonikerVtbl;
 653     This->lpPersistFileVtbl = &PersistFileVtbl;
 654     This->lpMonikerPropVtbl = &MonikerPropVtbl;
 655     This->lpPersistStreamInitVtbl = &PersistStreamInitVtbl;
 656
 657     This->bscallback = NULL;
 658 }