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 #include "htmlevent.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  42
  43 typedef struct {
  44     task_t header;
  45     HTMLDocumentObj *doc;
  46     BOOL set_download;
  47 } download_proc_task_t;
  48
  49 static BOOL use_gecko_script(LPCWSTR url)
  50 {
  51     static const WCHAR fileW[] = {'f','i','l','e',':'};
  52     static const WCHAR aboutW[] = {'a','b','o','u','t',':'};
  53     static const WCHAR resW[] = {'r','e','s',':'};
  54
  55     return strncmpiW(fileW, url, sizeof(fileW)/sizeof(WCHAR))
  56         && strncmpiW(aboutW, url, sizeof(aboutW)/sizeof(WCHAR))
  57         && strncmpiW(resW, url, sizeof(resW)/sizeof(WCHAR));
  58 }
  59
  60 void set_current_mon(HTMLWindow *This, IMoniker *mon)
  61 {
  62     HRESULT hres;
  63
  64     if(This->mon) {
  65         IMoniker_Release(This->mon);
  66         This->mon = NULL;
  67     }
  68
  69     if(This->url) {
  70         CoTaskMemFree(This->url);
  71         This->url = NULL;
  72     }
  73
  74     if(!mon)
  75         return;
  76
  77     IMoniker_AddRef(mon);
  78     This->mon = mon;
  79
  80     hres = IMoniker_GetDisplayName(mon, NULL, NULL, &This->url);
  81     if(FAILED(hres))
  82         WARN("GetDisplayName failed: %08x\n", hres);
  83
  84     set_script_mode(This, use_gecko_script(This->url) ? SCRIPTMODE_GECKO : SCRIPTMODE_ACTIVESCRIPT);
  85 }
  86
  87 static void set_progress_proc(task_t *_task)
  88 {
  89     docobj_task_t *task = (docobj_task_t*)_task;
  90     IOleCommandTarget *olecmd = NULL;
  91     HTMLDocumentObj *doc = task->doc;
  92     HRESULT hres;
  93
  94     TRACE("(%p)\n", doc);
  95
  96     if(doc->client)
  97         IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
  98
  99     if(olecmd) {
 100         VARIANT progress_max, progress;
 101
 102         V_VT(&progress_max) = VT_I4;
 103         V_I4(&progress_max) = 0; /* FIXME */
 104         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSMAX, OLECMDEXECOPT_DONTPROMPTUSER,
 105                                &progress_max, NULL);
 106
 107         V_VT(&progress) = VT_I4;
 108         V_I4(&progress) = 0; /* FIXME */
 109         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
 110                                &progress, NULL);
 111     }
 112
 113     if(doc->usermode == EDITMODE && doc->hostui) {
 114         DOCHOSTUIINFO hostinfo;
 115
 116         memset(&hostinfo, 0, sizeof(DOCHOSTUIINFO));
 117         hostinfo.cbSize = sizeof(DOCHOSTUIINFO);
 118         hres = IDocHostUIHandler_GetHostInfo(doc->hostui, &hostinfo);
 119         if(SUCCEEDED(hres))
 120             /* FIXME: use hostinfo */
 121             TRACE("hostinfo = {%u %08x %08x %s %s}\n",
 122                     hostinfo.cbSize, hostinfo.dwFlags, hostinfo.dwDoubleClick,
 123                     debugstr_w(hostinfo.pchHostCss), debugstr_w(hostinfo.pchHostNS));
 124     }
 125 }
 126
 127 static void set_downloading_proc(task_t *_task)
 128 {
 129     download_proc_task_t *task = (download_proc_task_t*)_task;
 130     HTMLDocumentObj *doc = task->doc;
 131     IOleCommandTarget *olecmd;
 132     HRESULT hres;
 133
 134     TRACE("(%p)\n", doc);
 135
 136     if(doc->frame)
 137         IOleInPlaceFrame_SetStatusText(doc->frame, NULL /* FIXME */);
 138
 139     if(!doc->client)
 140         return;
 141
 142     if(task->set_download) {
 143         hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
 144         if(SUCCEEDED(hres)) {
 145             VARIANT var;
 146
 147             V_VT(&var) = VT_I4;
 148             V_I4(&var) = 1;
 149
 150             IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE,
 151                     OLECMDEXECOPT_DONTPROMPTUSER, &var, NULL);
 152             IOleCommandTarget_Release(olecmd);
 153         }
 154
 155         doc->download_state = 1;
 156     }
 157
 158     if(doc->hostui) {
 159         IDropTarget *drop_target = NULL;
 160
 161         hres = IDocHostUIHandler_GetDropTarget(doc->hostui, NULL /* FIXME */, &drop_target);
 162         if(drop_target) {
 163             FIXME("Use IDropTarget\n");
 164             IDropTarget_Release(drop_target);
 165         }
 166     }
 167 }
 168
 169 static HRESULT set_moniker(HTMLDocument *This, IMoniker *mon, IBindCtx *pibc, BOOL set_download)
 170 {
 171     nsChannelBSC *bscallback;
 172     LPOLESTR url = NULL;
 173     docobj_task_t *task;
 174     download_proc_task_t *download_task;
 175     nsIWineURI *nsuri;
 176     HRESULT hres;
 177
 178     if(pibc) {
 179         IUnknown *unk = NULL;
 180
 181         /* FIXME:
 182          * Use params:
 183          * "__PrecreatedObject"
 184          * "BIND_CONTEXT_PARAM"
 185          * "__HTMLLOADOPTIONS"
 186          * "__DWNBINDINFO"
 187          * "URL Context"
 188          * "CBinding Context"
 189          * "_ITransData_Object_"
 190          * "_EnumFORMATETC_"
 191          */
 192
 193         IBindCtx_GetObjectParam(pibc, (LPOLESTR)SZ_HTML_CLIENTSITE_OBJECTPARAM, &unk);
 194         if(unk) {
 195             IOleClientSite *client = NULL;
 196
 197             hres = IUnknown_QueryInterface(unk, &IID_IOleClientSite, (void**)&client);
 198             if(SUCCEEDED(hres)) {
 199                 TRACE("Got client site %p\n", client);
 200                 IOleObject_SetClientSite(OLEOBJ(This), client);
 201                 IOleClientSite_Release(client);
 202             }
 203
 204             IUnknown_Release(unk);
 205         }
 206     }
 207
 208     set_ready_state(This->window, READYSTATE_LOADING);
 209     update_doc(This, UPDATE_TITLE);
 210
 211     HTMLDocument_LockContainer(This->doc_obj, TRUE);
 212
 213     hres = IMoniker_GetDisplayName(mon, pibc, NULL, &url);
 214     if(FAILED(hres)) {
 215         WARN("GetDiaplayName failed: %08x\n", hres);
 216         return hres;
 217     }
 218
 219     TRACE("got url: %s\n", debugstr_w(url));
 220
 221     set_current_mon(This->window, mon);
 222
 223     if(This->doc_obj->client) {
 224         VARIANT silent, offline;
 225         IOleCommandTarget *cmdtrg = NULL;
 226
 227         hres = get_client_disp_property(This->doc_obj->client, DISPID_AMBIENT_SILENT, &silent);
 228         if(SUCCEEDED(hres)) {
 229             if(V_VT(&silent) != VT_BOOL)
 230                 WARN("V_VT(silent) = %d\n", V_VT(&silent));
 231             else if(V_BOOL(&silent))
 232                 FIXME("silent == true\n");
 233         }
 234
 235         hres = get_client_disp_property(This->doc_obj->client,
 236                 DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
 237         if(SUCCEEDED(hres)) {
 238             if(V_VT(&silent) != VT_BOOL)
 239                 WARN("V_VT(offline) = %d\n", V_VT(&silent));
 240             else if(V_BOOL(&silent))
 241                 FIXME("offline == true\n");
 242         }
 243
 244         hres = IOleClientSite_QueryInterface(This->doc_obj->client, &IID_IOleCommandTarget,
 245                 (void**)&cmdtrg);
 246         if(SUCCEEDED(hres)) {
 247             VARIANT var;
 248
 249             V_VT(&var) = VT_I4;
 250             V_I4(&var) = 0;
 251             IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 37, 0, &var, NULL);
 252
 253             IOleCommandTarget_Release(cmdtrg);
 254         }
 255     }
 256
 257     hres = create_doc_uri(This->window, url, &nsuri);
 258     CoTaskMemFree(url);
 259     if(FAILED(hres))
 260         return hres;
 261
 262     bscallback = create_channelbsc(mon);
 263
 264     nsIWineURI_SetChannelBSC(nsuri, bscallback);
 265     hres = load_nsuri(This->window, nsuri, LOAD_INITIAL_DOCUMENT_URI);
 266     nsIWineURI_SetChannelBSC(nsuri, NULL);
 267     if(SUCCEEDED(hres))
 268         set_window_bscallback(This->window, bscallback);
 269     IUnknown_Release((IUnknown*)bscallback);
 270     if(FAILED(hres))
 271         return hres;
 272
 273     if(This->doc_obj->frame) {
 274         task = heap_alloc(sizeof(docobj_task_t));
 275         task->doc = This->doc_obj;
 276         push_task(&task->header, set_progress_proc, This->doc_obj->basedoc.task_magic);
 277     }
 278
 279     download_task = heap_alloc(sizeof(download_proc_task_t));
 280     download_task->doc = This->doc_obj;
 281     download_task->set_download = set_download;
 282     push_task(&download_task->header, set_downloading_proc, This->doc_obj->basedoc.task_magic);
 283
 284     return S_OK;
 285 }
 286
 287 void set_ready_state(HTMLWindow *window, READYSTATE readystate)
 288 {
 289     window->readystate = readystate;
 290     if(window->doc_obj && window->doc_obj->basedoc.window == window)
 291         call_property_onchanged(&window->doc_obj->basedoc.cp_propnotif, DISPID_READYSTATE);
 292     if(window->frame_element)
 293         fire_event(window->frame_element->element.node.doc, EVENTID_READYSTATECHANGE,
 294                    window->frame_element->element.node.nsnode, NULL);
 295 }
 296
 297 static HRESULT get_doc_string(HTMLDocumentNode *This, char **str)
 298 {
 299     nsIDOMNode *nsnode;
 300     LPCWSTR strw;
 301     nsAString nsstr;
 302     nsresult nsres;
 303
 304     if(!This->nsdoc) {
 305         WARN("NULL nsdoc\n");
 306         return E_UNEXPECTED;
 307     }
 308
 309     nsres = nsIDOMHTMLDocument_QueryInterface(This->nsdoc, &IID_nsIDOMNode, (void**)&nsnode);
 310     if(NS_FAILED(nsres)) {
 311         ERR("Could not get nsIDOMNode failed: %08x\n", nsres);
 312         return E_FAIL;
 313     }
 314
 315     nsAString_Init(&nsstr, NULL);
 316     nsnode_to_nsstring(nsnode, &nsstr);
 317     nsIDOMNode_Release(nsnode);
 318
 319     nsAString_GetData(&nsstr, &strw);
 320     TRACE("%s\n", debugstr_w(strw));
 321
 322     *str = heap_strdupWtoA(strw);
 323
 324     nsAString_Finish(&nsstr);
 325
 326     return S_OK;
 327 }
 328
 329
 330 /**********************************************************
 331  * IPersistMoniker implementation
 332  */
 333
 334 #define PERSISTMON_THIS(iface) DEFINE_THIS(HTMLDocument, PersistMoniker, iface)
 335
 336 static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid,
 337                                                             void **ppvObject)
 338 {
 339     HTMLDocument *This = PERSISTMON_THIS(iface);
 340     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 341 }
 342
 343 static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
 344 {
 345     HTMLDocument *This = PERSISTMON_THIS(iface);
 346     return IHTMLDocument2_AddRef(HTMLDOC(This));
 347 }
 348
 349 static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
 350 {
 351     HTMLDocument *This = PERSISTMON_THIS(iface);
 352     return IHTMLDocument2_Release(HTMLDOC(This));
 353 }
 354
 355 static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
 356 {
 357     HTMLDocument *This = PERSISTMON_THIS(iface);
 358     return IPersist_GetClassID(PERSIST(This), pClassID);
 359 }
 360
 361 static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
 362 {
 363     HTMLDocument *This = PERSISTMON_THIS(iface);
 364
 365     TRACE("(%p)\n", This);
 366
 367     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 368 }
 369
 370 static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
 371         IMoniker *pimkName, LPBC pibc, DWORD grfMode)
 372 {
 373     HTMLDocument *This = PERSISTMON_THIS(iface);
 374     HRESULT hres;
 375
 376     TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);
 377
 378     hres = set_moniker(This, pimkName, pibc, TRUE);
 379     if(FAILED(hres))
 380         return hres;
 381
 382     return start_binding(This->window, NULL, (BSCallback*)This->window->bscallback, pibc);
 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->window || !This->window->mon)
 407         return E_UNEXPECTED;
 408
 409     IMoniker_AddRef(This->window->mon);
 410     *ppimkName = This->window->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
 454     TRACE("(%p)->(%d %s)\n", This, mkp, debugstr_w(val));
 455
 456     switch(mkp) {
 457     case MIMETYPEPROP:
 458         heap_free(This->doc_obj->mime);
 459         This->doc_obj->mime = heap_strdupW(val);
 460         break;
 461
 462     case CLASSIDPROP:
 463         break;
 464
 465     default:
 466         FIXME("mkp %d\n", mkp);
 467         return E_NOTIMPL;
 468     }
 469
 470     return S_OK;
 471 }
 472
 473 static const IMonikerPropVtbl MonikerPropVtbl = {
 474     MonikerProp_QueryInterface,
 475     MonikerProp_AddRef,
 476     MonikerProp_Release,
 477     MonikerProp_PutProperty
 478 };
 479
 480 /**********************************************************
 481  * IPersistFile implementation
 482  */
 483
 484 #define PERSISTFILE_THIS(iface) DEFINE_THIS(HTMLDocument, PersistFile, iface)
 485
 486 static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppvObject)
 487 {
 488     HTMLDocument *This = PERSISTFILE_THIS(iface);
 489     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 490 }
 491
 492 static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
 493 {
 494     HTMLDocument *This = PERSISTFILE_THIS(iface);
 495     return IHTMLDocument2_AddRef(HTMLDOC(This));
 496 }
 497
 498 static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
 499 {
 500     HTMLDocument *This = PERSISTFILE_THIS(iface);
 501     return IHTMLDocument2_Release(HTMLDOC(This));
 502 }
 503
 504 static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
 505 {
 506     HTMLDocument *This = PERSISTFILE_THIS(iface);
 507
 508     TRACE("(%p)->(%p)\n", This, pClassID);
 509
 510     if(!pClassID)
 511         return E_INVALIDARG;
 512
 513     *pClassID = CLSID_HTMLDocument;
 514     return S_OK;
 515 }
 516
 517 static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
 518 {
 519     HTMLDocument *This = PERSISTFILE_THIS(iface);
 520
 521     TRACE("(%p)\n", This);
 522
 523     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
 524 }
 525
 526 static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
 527 {
 528     HTMLDocument *This = PERSISTFILE_THIS(iface);
 529     FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
 530     return E_NOTIMPL;
 531 }
 532
 533 static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
 534 {
 535     HTMLDocument *This = PERSISTFILE_THIS(iface);
 536     char *str;
 537     DWORD written=0;
 538     HANDLE file;
 539     HRESULT hres;
 540
 541     TRACE("(%p)->(%s %x)\n", This, debugstr_w(pszFileName), fRemember);
 542
 543     file = CreateFileW(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 544                        FILE_ATTRIBUTE_NORMAL, NULL);
 545     if(file == INVALID_HANDLE_VALUE) {
 546         WARN("Could not create file: %u\n", GetLastError());
 547         return E_FAIL;
 548     }
 549
 550     hres = get_doc_string(This->doc_node, &str);
 551     if(SUCCEEDED(hres))
 552         WriteFile(file, str, strlen(str), &written, NULL);
 553
 554     CloseHandle(file);
 555     return hres;
 556 }
 557
 558 static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
 559 {
 560     HTMLDocument *This = PERSISTFILE_THIS(iface);
 561     FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
 562     return E_NOTIMPL;
 563 }
 564
 565 static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
 566 {
 567     HTMLDocument *This = PERSISTFILE_THIS(iface);
 568     FIXME("(%p)->(%p)\n", This, pszFileName);
 569     return E_NOTIMPL;
 570 }
 571
 572 static const IPersistFileVtbl PersistFileVtbl = {
 573     PersistFile_QueryInterface,
 574     PersistFile_AddRef,
 575     PersistFile_Release,
 576     PersistFile_GetClassID,
 577     PersistFile_IsDirty,
 578     PersistFile_Load,
 579     PersistFile_Save,
 580     PersistFile_SaveCompleted,
 581     PersistFile_GetCurFile
 582 };
 583
 584 #define PERSTRINIT_THIS(iface) DEFINE_THIS(HTMLDocument, PersistStreamInit, iface)
 585
 586 static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
 587                                                        REFIID riid, void **ppv)
 588 {
 589     HTMLDocument *This = PERSTRINIT_THIS(iface);
 590     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppv);
 591 }
 592
 593 static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
 594 {
 595     HTMLDocument *This = PERSTRINIT_THIS(iface);
 596     return IHTMLDocument2_AddRef(HTMLDOC(This));
 597 }
 598
 599 static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
 600 {
 601     HTMLDocument *This = PERSTRINIT_THIS(iface);
 602     return IHTMLDocument2_Release(HTMLDOC(This));
 603 }
 604
 605 static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
 606 {
 607     HTMLDocument *This = PERSTRINIT_THIS(iface);
 608     return IPersist_GetClassID(PERSIST(This), pClassID);
 609 }
 610
 611 static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
 612 {
 613     HTMLDocument *This = PERSTRINIT_THIS(iface);
 614
 615     TRACE("(%p)\n", This);
 616
 617     if(This->doc_obj->usermode == EDITMODE)
 618         return editor_is_dirty(This);
 619
 620     return S_FALSE;
 621 }
 622
 623 static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM pStm)
 624 {
 625     HTMLDocument *This = PERSTRINIT_THIS(iface);
 626     IMoniker *mon;
 627     HRESULT hres;
 628
 629     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
 630
 631     TRACE("(%p)->(%p)\n", This, pStm);
 632
 633     hres = CreateURLMoniker(NULL, about_blankW, &mon);
 634     if(FAILED(hres)) {
 635         WARN("CreateURLMoniker failed: %08x\n", hres);
 636         return hres;
 637     }
 638
 639     hres = set_moniker(This, mon, NULL, TRUE);
 640     IMoniker_Release(mon);
 641     if(FAILED(hres))
 642         return hres;
 643
 644     return channelbsc_load_stream(This->window->bscallback, pStm);
 645 }
 646
 647 static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM pStm,
 648                                              BOOL fClearDirty)
 649 {
 650     HTMLDocument *This = PERSTRINIT_THIS(iface);
 651     char *str;
 652     DWORD written=0;
 653     HRESULT hres;
 654
 655     TRACE("(%p)->(%p %x)\n", This, pStm, fClearDirty);
 656
 657     hres = get_doc_string(This->doc_node, &str);
 658     if(FAILED(hres))
 659         return hres;
 660
 661     hres = IStream_Write(pStm, str, strlen(str), &written);
 662     if(FAILED(hres))
 663         FIXME("Write failed: %08x\n", hres);
 664
 665     heap_free(str);
 666
 667     if(fClearDirty)
 668         set_dirty(This, VARIANT_FALSE);
 669
 670     return S_OK;
 671 }
 672
 673 static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
 674                                                    ULARGE_INTEGER *pcbSize)
 675 {
 676     HTMLDocument *This = PERSTRINIT_THIS(iface);
 677     FIXME("(%p)->(%p)\n", This, pcbSize);
 678     return E_NOTIMPL;
 679 }
 680
 681 static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
 682 {
 683     HTMLDocument *This = PERSTRINIT_THIS(iface);
 684     IMoniker *mon;
 685     HGLOBAL body;
 686     LPSTREAM stream;
 687     HRESULT hres;
 688
 689     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
 690     static const WCHAR html_bodyW[] = {'<','H','T','M','L','>','<','/','H','T','M','L','>',0};
 691
 692     TRACE("(%p)\n", This);
 693
 694     body = GlobalAlloc(0, sizeof(html_bodyW));
 695     if(!body)
 696         return E_OUTOFMEMORY;
 697     memcpy(body, html_bodyW, sizeof(html_bodyW));
 698
 699     hres = CreateURLMoniker(NULL, about_blankW, &mon);
 700     if(FAILED(hres)) {
 701         WARN("CreateURLMoniker failed: %08x\n", hres);
 702         GlobalFree(body);
 703         return hres;
 704     }
 705
 706     hres = set_moniker(This, mon, NULL, FALSE);
 707     IMoniker_Release(mon);
 708     if(FAILED(hres)) {
 709         GlobalFree(body);
 710         return hres;
 711     }
 712
 713     hres = CreateStreamOnHGlobal(body, TRUE, &stream);
 714     if(FAILED(hres)) {
 715         GlobalFree(body);
 716         return hres;
 717     }
 718
 719     hres = channelbsc_load_stream(This->window->bscallback, stream);
 720
 721     IStream_Release(stream);
 722     return hres;
 723 }
 724
 725 #undef PERSTRINIT_THIS
 726
 727 static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
 728     PersistStreamInit_QueryInterface,
 729     PersistStreamInit_AddRef,
 730     PersistStreamInit_Release,
 731     PersistStreamInit_GetClassID,
 732     PersistStreamInit_IsDirty,
 733     PersistStreamInit_Load,
 734     PersistStreamInit_Save,
 735     PersistStreamInit_GetSizeMax,
 736     PersistStreamInit_InitNew
 737 };
 738
 739 /**********************************************************
 740  * IPersistHistory implementation
 741  */
 742
 743 #define PERSISTHIST_THIS(iface) DEFINE_THIS(HTMLDocument, PersistHistory, iface)
 744
 745 static HRESULT WINAPI PersistHistory_QueryInterface(IPersistHistory *iface, REFIID riid, void **ppvObject)
 746 {
 747     HTMLDocument *This = PERSISTHIST_THIS(iface);
 748     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 749 }
 750
 751 static ULONG WINAPI PersistHistory_AddRef(IPersistHistory *iface)
 752 {
 753     HTMLDocument *This = PERSISTHIST_THIS(iface);
 754     return IHTMLDocument2_AddRef(HTMLDOC(This));
 755 }
 756
 757 static ULONG WINAPI PersistHistory_Release(IPersistHistory *iface)
 758 {
 759     HTMLDocument *This = PERSISTHIST_THIS(iface);
 760     return IHTMLDocument2_Release(HTMLDOC(This));
 761 }
 762
 763 static HRESULT WINAPI PersistHistory_GetClassID(IPersistHistory *iface, CLSID *pClassID)
 764 {
 765     HTMLDocument *This = PERSISTHIST_THIS(iface);
 766     return IPersist_GetClassID(PERSIST(This), pClassID);
 767 }
 768
 769 static HRESULT WINAPI PersistHistory_LoadHistory(IPersistHistory *iface, IStream *pStream, IBindCtx *pbc)
 770 {
 771     HTMLDocument *This = PERSISTHIST_THIS(iface);
 772     FIXME("(%p)->(%p %p)\n", This, pStream, pbc);
 773     return E_NOTIMPL;
 774 }
 775
 776 static HRESULT WINAPI PersistHistory_SaveHistory(IPersistHistory *iface, IStream *pStream)
 777 {
 778     HTMLDocument *This = PERSISTHIST_THIS(iface);
 779     FIXME("(%p)->(%p)\n", This, pStream);
 780     return E_NOTIMPL;
 781 }
 782
 783 static HRESULT WINAPI PersistHistory_SetPositionCookie(IPersistHistory *iface, DWORD dwPositioncookie)
 784 {
 785     HTMLDocument *This = PERSISTHIST_THIS(iface);
 786     FIXME("(%p)->(%x)\n", This, dwPositioncookie);
 787     return E_NOTIMPL;
 788 }
 789
 790 static HRESULT WINAPI PersistHistory_GetPositionCookie(IPersistHistory *iface, DWORD *pdwPositioncookie)
 791 {
 792     HTMLDocument *This = PERSISTHIST_THIS(iface);
 793     FIXME("(%p)->(%p)\n", This, pdwPositioncookie);
 794     return E_NOTIMPL;
 795 }
 796
 797 #undef PERSISTHIST_THIS
 798
 799 static const IPersistHistoryVtbl PersistHistoryVtbl = {
 800     PersistHistory_QueryInterface,
 801     PersistHistory_AddRef,
 802     PersistHistory_Release,
 803     PersistHistory_GetClassID,
 804     PersistHistory_LoadHistory,
 805     PersistHistory_SaveHistory,
 806     PersistHistory_SetPositionCookie,
 807     PersistHistory_GetPositionCookie
 808 };
 809
 810 void HTMLDocument_Persist_Init(HTMLDocument *This)
 811 {
 812     This->lpPersistMonikerVtbl = &PersistMonikerVtbl;
 813     This->lpPersistFileVtbl = &PersistFileVtbl;
 814     This->lpMonikerPropVtbl = &MonikerPropVtbl;
 815     This->lpPersistStreamInitVtbl = &PersistStreamInitVtbl;
 816     This->lpPersistHistoryVtbl = &PersistHistoryVtbl;
 817 }