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