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 #define USER_AGENT "User-Agent:"
  43 #define CONTENT_TYPE "Content-Type:"
  44
  45 static int fix_headers(char *buf, DWORD post_len)
  46 {
  47     char *ptr = NULL;
  48
  49     if(!strncasecmp(USER_AGENT, buf, sizeof(USER_AGENT)-1)) {
  50         ptr = buf;
  51     }else {
  52         ptr = strstr(buf, "\r\n" USER_AGENT);
  53         if(ptr)
  54             ptr += 2;
  55     }
  56
  57     if(ptr) {
  58         const char *ptr2;
  59
  60         FIXME("Ignoring User-Agent header\n");
  61
  62         ptr2 = strstr(ptr, "\r\n");
  63         if(ptr2)
  64             memmove(ptr, ptr2, strlen(ptr2)+1);
  65     }
  66
  67     if(!post_len) {
  68         if(!strncasecmp(CONTENT_TYPE, buf, sizeof(CONTENT_TYPE)-1)) {
  69             ptr = buf;
  70         }else {
  71             ptr = strstr(buf, "\r\n" CONTENT_TYPE);
  72             if(ptr)
  73                 ptr += 2;
  74         }
  75
  76         if(ptr) {
  77             const char *ptr2;
  78
  79             TRACE("Ignoring Content-Type header\n");
  80
  81             ptr2 = strstr(ptr, "\r\n");
  82             if(ptr2)
  83                 memmove(ptr, ptr2, strlen(ptr2)+1);
  84         }
  85     }
  86
  87     return strlen(buf);
  88 }
  89
  90 static nsIInputStream *get_post_data_stream(IBindCtx *bctx)
  91 {
  92     nsIInputStream *ret = NULL;
  93     IBindStatusCallback *callback;
  94     IHttpNegotiate *http_negotiate;
  95     BINDINFO bindinfo;
  96     DWORD bindf = 0;
  97     DWORD post_len = 0, headers_len = 0;
  98     LPWSTR headers = NULL;
  99     WCHAR emptystr[] = {0};
 100     char *data;
 101     HRESULT hres;
 102
 103     static WCHAR _BSCB_Holder_[] =
 104         {'_','B','S','C','B','_','H','o','l','d','e','r','_',0};
 105
 106
 107     /* FIXME: This should be done in URLMoniker */
 108     if(!bctx)
 109         return NULL;
 110
 111     hres = IBindCtx_GetObjectParam(bctx, _BSCB_Holder_, (IUnknown**)&callback);
 112     if(FAILED(hres))
 113         return NULL;
 114
 115     hres = IBindStatusCallback_QueryInterface(callback, &IID_IHttpNegotiate,
 116                                               (void**)&http_negotiate);
 117     if(SUCCEEDED(hres)) {
 118         hres = IHttpNegotiate_BeginningTransaction(http_negotiate, emptystr,
 119                                                    emptystr, 0, &headers);
 120         IHttpNegotiate_Release(http_negotiate);
 121
 122         if(SUCCEEDED(hres) && headers)
 123             headers_len = WideCharToMultiByte(CP_ACP, 0, headers, -1, NULL, 0, NULL, NULL);
 124     }
 125
 126     memset(&bindinfo, 0, sizeof(bindinfo));
 127     bindinfo.cbSize = sizeof(bindinfo);
 128
 129     hres = IBindStatusCallback_GetBindInfo(callback, &bindf, &bindinfo);
 130
 131     if(SUCCEEDED(hres) && bindinfo.dwBindVerb == BINDVERB_POST)
 132         post_len = bindinfo.cbstgmedData;
 133
 134     if(headers_len || post_len) {
 135         int len = 0;
 136
 137         static const char content_length[] = "Content-Length: %u\r\n\r\n";
 138
 139         data = heap_alloc(headers_len+post_len+sizeof(content_length)+8);
 140
 141         if(headers_len) {
 142             WideCharToMultiByte(CP_ACP, 0, headers, -1, data, -1, NULL, NULL);
 143             CoTaskMemFree(headers);
 144             len = fix_headers(data, post_len);
 145         }
 146
 147         if(post_len) {
 148             if(len >= 4 && !strcmp(data+len-4, "\r\n\r\n"))
 149                 len -= 2;
 150
 151             sprintf(data+len, content_length, post_len);
 152             len = strlen(data);
 153
 154             memcpy(data+len, bindinfo.stgmedData.u.hGlobal, post_len);
 155         }
 156
 157         TRACE("data = %s\n", debugstr_an(data, len+post_len));
 158
 159         ret = create_nsstream(data, len+post_len);
 160     }
 161
 162     ReleaseBindInfo(&bindinfo);
 163     IBindStatusCallback_Release(callback);
 164
 165     return ret;
 166 }
 167
 168 void set_current_mon(HTMLDocument *This, IMoniker *mon)
 169 {
 170     HRESULT hres;
 171
 172     if(This->mon) {
 173         IMoniker_Release(This->mon);
 174         This->mon = NULL;
 175     }
 176
 177     if(This->url) {
 178         CoTaskMemFree(This->url);
 179         This->url = NULL;
 180     }
 181
 182     if(!mon)
 183         return;
 184
 185     IMoniker_AddRef(mon);
 186     This->mon = mon;
 187
 188     hres = IMoniker_GetDisplayName(mon, NULL, NULL, &This->url);
 189     if(FAILED(hres))
 190         WARN("GetDisplayName failed: %08x\n", hres);
 191 }
 192
 193 static HRESULT set_moniker(HTMLDocument *This, IMoniker *mon, IBindCtx *pibc, BOOL *bind_complete)
 194 {
 195     BSCallback *bscallback;
 196     LPOLESTR url = NULL;
 197     task_t *task;
 198     HRESULT hres;
 199     nsresult nsres;
 200
 201     if(pibc) {
 202         IUnknown *unk = NULL;
 203
 204         /* FIXME:
 205          * Use params:
 206          * "__PrecreatedObject"
 207          * "BIND_CONTEXT_PARAM"
 208          * "__HTMLLOADOPTIONS"
 209          * "__DWNBINDINFO"
 210          * "URL Context"
 211          * "CBinding Context"
 212          * "_ITransData_Object_"
 213          * "_EnumFORMATETC_"
 214          */
 215
 216         IBindCtx_GetObjectParam(pibc, (LPOLESTR)SZ_HTML_CLIENTSITE_OBJECTPARAM, &unk);
 217         if(unk) {
 218             IOleClientSite *client = NULL;
 219
 220             hres = IUnknown_QueryInterface(unk, &IID_IOleClientSite, (void**)&client);
 221             if(SUCCEEDED(hres)) {
 222                 TRACE("Got client site %p\n", client);
 223                 IOleObject_SetClientSite(OLEOBJ(This), client);
 224                 IOleClientSite_Release(client);
 225             }
 226
 227             IUnknown_Release(unk);
 228         }
 229     }
 230
 231     This->readystate = READYSTATE_LOADING;
 232     call_property_onchanged(&This->cp_propnotif, DISPID_READYSTATE);
 233     update_doc(This, UPDATE_TITLE);
 234
 235     HTMLDocument_LockContainer(This, TRUE);
 236
 237     hres = IMoniker_GetDisplayName(mon, pibc, NULL, &url);
 238     if(FAILED(hres)) {
 239         WARN("GetDiaplayName failed: %08x\n", hres);
 240         return hres;
 241     }
 242
 243     TRACE("got url: %s\n", debugstr_w(url));
 244
 245     set_current_mon(This, mon);
 246
 247     if(This->client) {
 248         VARIANT silent, offline;
 249         IOleCommandTarget *cmdtrg = NULL;
 250
 251         hres = get_client_disp_property(This->client, DISPID_AMBIENT_SILENT, &silent);
 252         if(SUCCEEDED(hres)) {
 253             if(V_VT(&silent) != VT_BOOL)
 254                 WARN("V_VT(silent) = %d\n", V_VT(&silent));
 255             else if(V_BOOL(&silent))
 256                 FIXME("silent == true\n");
 257         }
 258
 259         hres = get_client_disp_property(This->client,
 260                 DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
 261         if(SUCCEEDED(hres)) {
 262             if(V_VT(&silent) != VT_BOOL)
 263                 WARN("V_VT(offline) = %d\n", V_VT(&silent));
 264             else if(V_BOOL(&silent))
 265                 FIXME("offline == true\n");
 266         }
 267
 268         hres = IOleClientSite_QueryInterface(This->client, &IID_IOleCommandTarget,
 269                 (void**)&cmdtrg);
 270         if(SUCCEEDED(hres)) {
 271             VARIANT var;
 272
 273             V_VT(&var) = VT_I4;
 274             V_I4(&var) = 0;
 275             IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 37, 0, &var, NULL);
 276
 277             IOleCommandTarget_Release(cmdtrg);
 278         }
 279     }
 280
 281     bscallback = create_bscallback(mon);
 282
 283     if(This->frame) {
 284         task = heap_alloc(sizeof(task_t));
 285
 286         task->doc = This;
 287         task->task_id = TASK_SETPROGRESS;
 288         task->next = NULL;
 289
 290         push_task(task);
 291     }
 292
 293     task = heap_alloc(sizeof(task_t));
 294
 295     task->doc = This;
 296     task->task_id = TASK_SETDOWNLOADSTATE;
 297     task->next = NULL;
 298
 299     push_task(task);
 300
 301     if(This->nscontainer) {
 302         nsIInputStream *post_data_stream = get_post_data_stream(pibc);
 303
 304         This->nscontainer->bscallback = bscallback;
 305         nsres = nsIWebNavigation_LoadURI(This->nscontainer->navigation, url,
 306                 LOAD_FLAGS_NONE, NULL, post_data_stream, NULL);
 307         This->nscontainer->bscallback = NULL;
 308
 309         if(post_data_stream)
 310             nsIInputStream_Release(post_data_stream);
 311
 312         if(NS_SUCCEEDED(nsres)) {
 313             /* FIXME: don't return here (URL Moniker needs to be good enough) */
 314
 315             IBindStatusCallback_Release(STATUSCLB(bscallback));
 316             CoTaskMemFree(url);
 317
 318             if(bind_complete)
 319                 *bind_complete = TRUE;
 320             return S_OK;
 321         }else if(nsres != WINE_NS_LOAD_FROM_MONIKER) {
 322             WARN("LoadURI failed: %08x\n", nsres);
 323         }
 324     }
 325
 326     set_document_bscallback(This, bscallback);
 327     IBindStatusCallback_Release(STATUSCLB(bscallback));
 328     CoTaskMemFree(url);
 329
 330     if(bind_complete)
 331         *bind_complete = FALSE;
 332     return S_OK;
 333 }
 334
 335 static HRESULT get_doc_string(HTMLDocument *This, char **str, DWORD *len)
 336 {
 337     nsIDOMDocument *nsdoc;
 338     nsIDOMNode *nsnode;
 339     LPCWSTR strw;
 340     nsAString nsstr;
 341     nsresult nsres;
 342
 343     if(!This->nscontainer) {
 344         WARN("no nscontainer, returning NULL\n");
 345         return S_OK;
 346     }
 347
 348     nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
 349     if(NS_FAILED(nsres)) {
 350         ERR("GetDocument failed: %08x\n", nsres);
 351         return E_FAIL;
 352     }
 353
 354     nsres = nsIDOMDocument_QueryInterface(nsdoc, &IID_nsIDOMNode, (void**)&nsnode);
 355     nsIDOMDocument_Release(nsdoc);
 356     if(NS_FAILED(nsres)) {
 357         ERR("Could not get nsIDOMNode failed: %08x\n", nsres);
 358         return E_FAIL;
 359     }
 360
 361     nsAString_Init(&nsstr, NULL);
 362     nsnode_to_nsstring(nsnode, &nsstr);
 363     nsIDOMNode_Release(nsnode);
 364
 365     nsAString_GetData(&nsstr, &strw);
 366     TRACE("%s\n", debugstr_w(strw));
 367
 368     *len = WideCharToMultiByte(CP_ACP, 0, strw, -1, NULL, 0, NULL, NULL);
 369     *str = heap_alloc(*len);
 370     WideCharToMultiByte(CP_ACP, 0, strw, -1, *str, *len, NULL, NULL);
 371
 372     nsAString_Finish(&nsstr);
 373
 374     return S_OK;
 375 }
 376
 377
 378 /**********************************************************
 379  * IPersistMoniker implementation
 380  */
 381
 382 #define PERSISTMON_THIS(iface) DEFINE_THIS(HTMLDocument, PersistMoniker, iface)
 383
 384 static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid,
 385                                                             void **ppvObject)
 386 {
 387     HTMLDocument *This = PERSISTMON_THIS(iface);
 388     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 389 }
 390
 391 static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
 392 {
 393     HTMLDocument *This = PERSISTMON_THIS(iface);
 394     return IHTMLDocument2_AddRef(HTMLDOC(This));
 395 }
 396
 397 static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
 398 {
 399     HTMLDocument *This = PERSISTMON_THIS(iface);
 400     return IHTMLDocument2_Release(HTMLDOC(This));
 401 }
 402
 403 static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
 404 {
 405     HTMLDocument *This = PERSISTMON_THIS(iface);
 406     return IPersist_GetClassID(PERSIST(This), pClassID);
 407 }
 408
 409 static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
 410 {
 411     HTMLDocument *This = PERSISTMON_THIS(iface);
 412
 413     TRACE("(%p)\n", This);
 414
 415     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 416 }
 417
 418 static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
 419         IMoniker *pimkName, LPBC pibc, DWORD grfMode)
 420 {
 421     HTMLDocument *This = PERSISTMON_THIS(iface);
 422     BOOL bind_complete = FALSE;
 423     HRESULT hres;
 424
 425     TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);
 426
 427     hres = set_moniker(This, pimkName, pibc, &bind_complete);
 428     if(FAILED(hres))
 429         return hres;
 430
 431     if(!bind_complete)
 432         return start_binding(This, This->bscallback, pibc);
 433
 434     return S_OK;
 435 }
 436
 437 static HRESULT WINAPI PersistMoniker_Save(IPersistMoniker *iface, IMoniker *pimkName,
 438         LPBC pbc, BOOL fRemember)
 439 {
 440     HTMLDocument *This = PERSISTMON_THIS(iface);
 441     FIXME("(%p)->(%p %p %x)\n", This, pimkName, pbc, fRemember);
 442     return E_NOTIMPL;
 443 }
 444
 445 static HRESULT WINAPI PersistMoniker_SaveCompleted(IPersistMoniker *iface, IMoniker *pimkName, LPBC pibc)
 446 {
 447     HTMLDocument *This = PERSISTMON_THIS(iface);
 448     FIXME("(%p)->(%p %p)\n", This, pimkName, pibc);
 449     return E_NOTIMPL;
 450 }
 451
 452 static HRESULT WINAPI PersistMoniker_GetCurMoniker(IPersistMoniker *iface, IMoniker **ppimkName)
 453 {
 454     HTMLDocument *This = PERSISTMON_THIS(iface);
 455
 456     TRACE("(%p)->(%p)\n", This, ppimkName);
 457
 458     if(!This->mon)
 459         return E_UNEXPECTED;
 460
 461     IMoniker_AddRef(This->mon);
 462     *ppimkName = This->mon;
 463     return S_OK;
 464 }
 465
 466 static const IPersistMonikerVtbl PersistMonikerVtbl = {
 467     PersistMoniker_QueryInterface,
 468     PersistMoniker_AddRef,
 469     PersistMoniker_Release,
 470     PersistMoniker_GetClassID,
 471     PersistMoniker_IsDirty,
 472     PersistMoniker_Load,
 473     PersistMoniker_Save,
 474     PersistMoniker_SaveCompleted,
 475     PersistMoniker_GetCurMoniker
 476 };
 477
 478 /**********************************************************
 479  * IMonikerProp implementation
 480  */
 481
 482 #define MONPROP_THIS(iface) DEFINE_THIS(HTMLDocument, MonikerProp, iface)
 483
 484 static HRESULT WINAPI MonikerProp_QueryInterface(IMonikerProp *iface, REFIID riid, void **ppvObject)
 485 {
 486     HTMLDocument *This = MONPROP_THIS(iface);
 487     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 488 }
 489
 490 static ULONG WINAPI MonikerProp_AddRef(IMonikerProp *iface)
 491 {
 492     HTMLDocument *This = MONPROP_THIS(iface);
 493     return IHTMLDocument2_AddRef(HTMLDOC(This));
 494 }
 495
 496 static ULONG WINAPI MonikerProp_Release(IMonikerProp *iface)
 497 {
 498     HTMLDocument *This = MONPROP_THIS(iface);
 499     return IHTMLDocument_Release(HTMLDOC(This));
 500 }
 501
 502 static HRESULT WINAPI MonikerProp_PutProperty(IMonikerProp *iface, MONIKERPROPERTY mkp, LPCWSTR val)
 503 {
 504     HTMLDocument *This = MONPROP_THIS(iface);
 505
 506     TRACE("(%p)->(%d %s)\n", This, mkp, debugstr_w(val));
 507
 508     switch(mkp) {
 509     case MIMETYPEPROP:
 510         heap_free(This->mime);
 511         This->mime = heap_strdupW(val);
 512         break;
 513
 514     case CLASSIDPROP:
 515         break;
 516
 517     default:
 518         FIXME("mkp %d\n", mkp);
 519         return E_NOTIMPL;
 520     }
 521
 522     return S_OK;
 523 }
 524
 525 static const IMonikerPropVtbl MonikerPropVtbl = {
 526     MonikerProp_QueryInterface,
 527     MonikerProp_AddRef,
 528     MonikerProp_Release,
 529     MonikerProp_PutProperty
 530 };
 531
 532 /**********************************************************
 533  * IPersistFile implementation
 534  */
 535
 536 #define PERSISTFILE_THIS(iface) DEFINE_THIS(HTMLDocument, PersistFile, iface)
 537
 538 static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppvObject)
 539 {
 540     HTMLDocument *This = PERSISTFILE_THIS(iface);
 541     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 542 }
 543
 544 static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
 545 {
 546     HTMLDocument *This = PERSISTFILE_THIS(iface);
 547     return IHTMLDocument2_AddRef(HTMLDOC(This));
 548 }
 549
 550 static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
 551 {
 552     HTMLDocument *This = PERSISTFILE_THIS(iface);
 553     return IHTMLDocument2_Release(HTMLDOC(This));
 554 }
 555
 556 static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
 557 {
 558     HTMLDocument *This = PERSISTFILE_THIS(iface);
 559
 560     TRACE("(%p)->(%p)\n", This, pClassID);
 561
 562     if(!pClassID)
 563         return E_INVALIDARG;
 564
 565     memcpy(pClassID, &CLSID_HTMLDocument, sizeof(CLSID));
 566     return S_OK;
 567 }
 568
 569 static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
 570 {
 571     HTMLDocument *This = PERSISTFILE_THIS(iface);
 572
 573     TRACE("(%p)\n", This);
 574
 575     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 576 }
 577
 578 static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
 579 {
 580     HTMLDocument *This = PERSISTFILE_THIS(iface);
 581     FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
 582     return E_NOTIMPL;
 583 }
 584
 585 static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
 586 {
 587     HTMLDocument *This = PERSISTFILE_THIS(iface);
 588     char *str;
 589     DWORD len, written=0;
 590     HANDLE file;
 591     HRESULT hres;
 592
 593     TRACE("(%p)->(%s %x)\n", This, debugstr_w(pszFileName), fRemember);
 594
 595     file = CreateFileW(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 596                        FILE_ATTRIBUTE_NORMAL, NULL);
 597     if(file == INVALID_HANDLE_VALUE) {
 598         WARN("Could not create file: %u\n", GetLastError());
 599         return E_FAIL;
 600     }
 601
 602     hres = get_doc_string(This, &str, &len);
 603     if(FAILED(hres))
 604         return hres;
 605
 606     WriteFile(file, str, len, &written, NULL);
 607     CloseHandle(file);
 608     return S_OK;
 609 }
 610
 611 static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
 612 {
 613     HTMLDocument *This = PERSISTFILE_THIS(iface);
 614     FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
 615     return E_NOTIMPL;
 616 }
 617
 618 static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
 619 {
 620     HTMLDocument *This = PERSISTFILE_THIS(iface);
 621     FIXME("(%p)->(%p)\n", This, pszFileName);
 622     return E_NOTIMPL;
 623 }
 624
 625 static const IPersistFileVtbl PersistFileVtbl = {
 626     PersistFile_QueryInterface,
 627     PersistFile_AddRef,
 628     PersistFile_Release,
 629     PersistFile_GetClassID,
 630     PersistFile_IsDirty,
 631     PersistFile_Load,
 632     PersistFile_Save,
 633     PersistFile_SaveCompleted,
 634     PersistFile_GetCurFile
 635 };
 636
 637 #define PERSTRINIT_THIS(iface) DEFINE_THIS(HTMLDocument, PersistStreamInit, iface)
 638
 639 static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
 640                                                        REFIID riid, void **ppv)
 641 {
 642     HTMLDocument *This = PERSTRINIT_THIS(iface);
 643     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppv);
 644 }
 645
 646 static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
 647 {
 648     HTMLDocument *This = PERSTRINIT_THIS(iface);
 649     return IHTMLDocument2_AddRef(HTMLDOC(This));
 650 }
 651
 652 static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
 653 {
 654     HTMLDocument *This = PERSTRINIT_THIS(iface);
 655     return IHTMLDocument2_Release(HTMLDOC(This));
 656 }
 657
 658 static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
 659 {
 660     HTMLDocument *This = PERSTRINIT_THIS(iface);
 661     return IPersist_GetClassID(PERSIST(This), pClassID);
 662 }
 663
 664 static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
 665 {
 666     HTMLDocument *This = PERSTRINIT_THIS(iface);
 667
 668     TRACE("(%p)\n", This);
 669
 670     if(This->usermode == EDITMODE)
 671         return editor_is_dirty(This);
 672
 673     return S_FALSE;
 674 }
 675
 676 static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM pStm)
 677 {
 678     HTMLDocument *This = PERSTRINIT_THIS(iface);
 679     IMoniker *mon;
 680     HRESULT hres;
 681
 682     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
 683
 684     TRACE("(%p)->(%p)\n", This, pStm);
 685
 686     hres = CreateURLMoniker(NULL, about_blankW, &mon);
 687     if(FAILED(hres)) {
 688         WARN("CreateURLMoniker failed: %08x\n", hres);
 689         return hres;
 690     }
 691
 692     hres = set_moniker(This, mon, NULL, NULL);
 693     IMoniker_Release(mon);
 694     if(FAILED(hres))
 695         return hres;
 696
 697     return load_stream(This->bscallback, pStm);
 698 }
 699
 700 static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM pStm,
 701                                              BOOL fClearDirty)
 702 {
 703     HTMLDocument *This = PERSTRINIT_THIS(iface);
 704     char *str;
 705     DWORD len, written=0;
 706     HRESULT hres;
 707
 708     WARN("(%p)->(%p %x) needs more work\n", This, pStm, fClearDirty);
 709
 710     hres = get_doc_string(This, &str, &len);
 711     if(FAILED(hres))
 712         return hres;
 713
 714
 715     hres = IStream_Write(pStm, str, len, &written);
 716     if(FAILED(hres))
 717         FIXME("Write failed: %08x\n", hres);
 718
 719     heap_free(str);
 720     return S_OK;
 721 }
 722
 723 static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
 724                                                    ULARGE_INTEGER *pcbSize)
 725 {
 726     HTMLDocument *This = PERSTRINIT_THIS(iface);
 727     FIXME("(%p)->(%p)\n", This, pcbSize);
 728     return E_NOTIMPL;
 729 }
 730
 731 static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
 732 {
 733     HTMLDocument *This = PERSTRINIT_THIS(iface);
 734     FIXME("(%p)\n", This);
 735     return E_NOTIMPL;
 736 }
 737
 738 #undef PERSTRINIT_THIS
 739
 740 static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
 741     PersistStreamInit_QueryInterface,
 742     PersistStreamInit_AddRef,
 743     PersistStreamInit_Release,
 744     PersistStreamInit_GetClassID,
 745     PersistStreamInit_IsDirty,
 746     PersistStreamInit_Load,
 747     PersistStreamInit_Save,
 748     PersistStreamInit_GetSizeMax,
 749     PersistStreamInit_InitNew
 750 };
 751
 752 void HTMLDocument_Persist_Init(HTMLDocument *This)
 753 {
 754     This->lpPersistMonikerVtbl = &PersistMonikerVtbl;
 755     This->lpPersistFileVtbl = &PersistFileVtbl;
 756     This->lpMonikerPropVtbl = &MonikerPropVtbl;
 757     This->lpPersistStreamInitVtbl = &PersistStreamInitVtbl;
 758
 759     This->bscallback = NULL;
 760     This->mon = NULL;
 761     This->url = NULL;
 762     This->mime = NULL;
 763 }