quartz: Do not assert() the existence of a media format of an input pin.
[wine] / 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     nsWineURI *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     hres = load_nsuri(This->window, nsuri, bscallback, LOAD_INITIAL_DOCUMENT_URI);
265     nsISupports_Release((nsISupports*)nsuri); /* FIXME */
266     if(SUCCEEDED(hres))
267         set_window_bscallback(This->window, bscallback);
268     IUnknown_Release((IUnknown*)bscallback);
269     if(FAILED(hres))
270         return hres;
271
272     if(This->doc_obj->frame) {
273         task = heap_alloc(sizeof(docobj_task_t));
274         task->doc = This->doc_obj;
275         push_task(&task->header, set_progress_proc, This->doc_obj->basedoc.task_magic);
276     }
277
278     download_task = heap_alloc(sizeof(download_proc_task_t));
279     download_task->doc = This->doc_obj;
280     download_task->set_download = set_download;
281     push_task(&download_task->header, set_downloading_proc, This->doc_obj->basedoc.task_magic);
282
283     return S_OK;
284 }
285
286 void set_ready_state(HTMLWindow *window, READYSTATE readystate)
287 {
288     window->readystate = readystate;
289     if(window->doc_obj && window->doc_obj->basedoc.window == window)
290         call_property_onchanged(&window->doc_obj->basedoc.cp_propnotif, DISPID_READYSTATE);
291     if(window->frame_element)
292         fire_event(window->frame_element->element.node.doc, EVENTID_READYSTATECHANGE,
293                    window->frame_element->element.node.nsnode, NULL);
294 }
295
296 static HRESULT get_doc_string(HTMLDocumentNode *This, char **str)
297 {
298     nsIDOMNode *nsnode;
299     LPCWSTR strw;
300     nsAString nsstr;
301     nsresult nsres;
302
303     if(!This->nsdoc) {
304         WARN("NULL nsdoc\n");
305         return E_UNEXPECTED;
306     }
307
308     nsres = nsIDOMHTMLDocument_QueryInterface(This->nsdoc, &IID_nsIDOMNode, (void**)&nsnode);
309     if(NS_FAILED(nsres)) {
310         ERR("Could not get nsIDOMNode failed: %08x\n", nsres);
311         return E_FAIL;
312     }
313
314     nsAString_Init(&nsstr, NULL);
315     nsnode_to_nsstring(nsnode, &nsstr);
316     nsIDOMNode_Release(nsnode);
317
318     nsAString_GetData(&nsstr, &strw);
319     TRACE("%s\n", debugstr_w(strw));
320
321     *str = heap_strdupWtoA(strw);
322
323     nsAString_Finish(&nsstr);
324
325     return S_OK;
326 }
327
328
329 /**********************************************************
330  * IPersistMoniker implementation
331  */
332
333 #define PERSISTMON_THIS(iface) DEFINE_THIS(HTMLDocument, PersistMoniker, iface)
334
335 static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid,
336                                                             void **ppvObject)
337 {
338     HTMLDocument *This = PERSISTMON_THIS(iface);
339     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
340 }
341
342 static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
343 {
344     HTMLDocument *This = PERSISTMON_THIS(iface);
345     return IHTMLDocument2_AddRef(HTMLDOC(This));
346 }
347
348 static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
349 {
350     HTMLDocument *This = PERSISTMON_THIS(iface);
351     return IHTMLDocument2_Release(HTMLDOC(This));
352 }
353
354 static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
355 {
356     HTMLDocument *This = PERSISTMON_THIS(iface);
357     return IPersist_GetClassID(PERSIST(This), pClassID);
358 }
359
360 static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
361 {
362     HTMLDocument *This = PERSISTMON_THIS(iface);
363
364     TRACE("(%p)\n", This);
365
366     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
367 }
368
369 static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
370         IMoniker *pimkName, LPBC pibc, DWORD grfMode)
371 {
372     HTMLDocument *This = PERSISTMON_THIS(iface);
373     HRESULT hres;
374
375     TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);
376
377     hres = set_moniker(This, pimkName, pibc, TRUE);
378     if(FAILED(hres))
379         return hres;
380
381     return start_binding(This->window, NULL, (BSCallback*)This->window->bscallback, pibc);
382 }
383
384 static HRESULT WINAPI PersistMoniker_Save(IPersistMoniker *iface, IMoniker *pimkName,
385         LPBC pbc, BOOL fRemember)
386 {
387     HTMLDocument *This = PERSISTMON_THIS(iface);
388     FIXME("(%p)->(%p %p %x)\n", This, pimkName, pbc, fRemember);
389     return E_NOTIMPL;
390 }
391
392 static HRESULT WINAPI PersistMoniker_SaveCompleted(IPersistMoniker *iface, IMoniker *pimkName, LPBC pibc)
393 {
394     HTMLDocument *This = PERSISTMON_THIS(iface);
395     FIXME("(%p)->(%p %p)\n", This, pimkName, pibc);
396     return E_NOTIMPL;
397 }
398
399 static HRESULT WINAPI PersistMoniker_GetCurMoniker(IPersistMoniker *iface, IMoniker **ppimkName)
400 {
401     HTMLDocument *This = PERSISTMON_THIS(iface);
402
403     TRACE("(%p)->(%p)\n", This, ppimkName);
404
405     if(!This->window || !This->window->mon)
406         return E_UNEXPECTED;
407
408     IMoniker_AddRef(This->window->mon);
409     *ppimkName = This->window->mon;
410     return S_OK;
411 }
412
413 static const IPersistMonikerVtbl PersistMonikerVtbl = {
414     PersistMoniker_QueryInterface,
415     PersistMoniker_AddRef,
416     PersistMoniker_Release,
417     PersistMoniker_GetClassID,
418     PersistMoniker_IsDirty,
419     PersistMoniker_Load,
420     PersistMoniker_Save,
421     PersistMoniker_SaveCompleted,
422     PersistMoniker_GetCurMoniker
423 };
424
425 /**********************************************************
426  * IMonikerProp implementation
427  */
428
429 #define MONPROP_THIS(iface) DEFINE_THIS(HTMLDocument, MonikerProp, iface)
430
431 static HRESULT WINAPI MonikerProp_QueryInterface(IMonikerProp *iface, REFIID riid, void **ppvObject)
432 {
433     HTMLDocument *This = MONPROP_THIS(iface);
434     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
435 }
436
437 static ULONG WINAPI MonikerProp_AddRef(IMonikerProp *iface)
438 {
439     HTMLDocument *This = MONPROP_THIS(iface);
440     return IHTMLDocument2_AddRef(HTMLDOC(This));
441 }
442
443 static ULONG WINAPI MonikerProp_Release(IMonikerProp *iface)
444 {
445     HTMLDocument *This = MONPROP_THIS(iface);
446     return IHTMLDocument_Release(HTMLDOC(This));
447 }
448
449 static HRESULT WINAPI MonikerProp_PutProperty(IMonikerProp *iface, MONIKERPROPERTY mkp, LPCWSTR val)
450 {
451     HTMLDocument *This = MONPROP_THIS(iface);
452
453     TRACE("(%p)->(%d %s)\n", This, mkp, debugstr_w(val));
454
455     switch(mkp) {
456     case MIMETYPEPROP:
457         heap_free(This->doc_obj->mime);
458         This->doc_obj->mime = heap_strdupW(val);
459         break;
460
461     case CLASSIDPROP:
462         break;
463
464     default:
465         FIXME("mkp %d\n", mkp);
466         return E_NOTIMPL;
467     }
468
469     return S_OK;
470 }
471
472 static const IMonikerPropVtbl MonikerPropVtbl = {
473     MonikerProp_QueryInterface,
474     MonikerProp_AddRef,
475     MonikerProp_Release,
476     MonikerProp_PutProperty
477 };
478
479 /**********************************************************
480  * IPersistFile implementation
481  */
482
483 #define PERSISTFILE_THIS(iface) DEFINE_THIS(HTMLDocument, PersistFile, iface)
484
485 static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppvObject)
486 {
487     HTMLDocument *This = PERSISTFILE_THIS(iface);
488     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
489 }
490
491 static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
492 {
493     HTMLDocument *This = PERSISTFILE_THIS(iface);
494     return IHTMLDocument2_AddRef(HTMLDOC(This));
495 }
496
497 static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
498 {
499     HTMLDocument *This = PERSISTFILE_THIS(iface);
500     return IHTMLDocument2_Release(HTMLDOC(This));
501 }
502
503 static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
504 {
505     HTMLDocument *This = PERSISTFILE_THIS(iface);
506
507     TRACE("(%p)->(%p)\n", This, pClassID);
508
509     if(!pClassID)
510         return E_INVALIDARG;
511
512     *pClassID = CLSID_HTMLDocument;
513     return S_OK;
514 }
515
516 static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
517 {
518     HTMLDocument *This = PERSISTFILE_THIS(iface);
519
520     TRACE("(%p)\n", This);
521
522     return IPersistStreamInit_IsDirty(PERSTRINIT(This));
523 }
524
525 static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
526 {
527     HTMLDocument *This = PERSISTFILE_THIS(iface);
528     FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
529     return E_NOTIMPL;
530 }
531
532 static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
533 {
534     HTMLDocument *This = PERSISTFILE_THIS(iface);
535     char *str;
536     DWORD written=0;
537     HANDLE file;
538     HRESULT hres;
539
540     TRACE("(%p)->(%s %x)\n", This, debugstr_w(pszFileName), fRemember);
541
542     file = CreateFileW(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
543                        FILE_ATTRIBUTE_NORMAL, NULL);
544     if(file == INVALID_HANDLE_VALUE) {
545         WARN("Could not create file: %u\n", GetLastError());
546         return E_FAIL;
547     }
548
549     hres = get_doc_string(This->doc_node, &str);
550     if(SUCCEEDED(hres))
551         WriteFile(file, str, strlen(str), &written, NULL);
552
553     CloseHandle(file);
554     return hres;
555 }
556
557 static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
558 {
559     HTMLDocument *This = PERSISTFILE_THIS(iface);
560     FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
561     return E_NOTIMPL;
562 }
563
564 static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
565 {
566     HTMLDocument *This = PERSISTFILE_THIS(iface);
567     FIXME("(%p)->(%p)\n", This, pszFileName);
568     return E_NOTIMPL;
569 }
570
571 static const IPersistFileVtbl PersistFileVtbl = {
572     PersistFile_QueryInterface,
573     PersistFile_AddRef,
574     PersistFile_Release,
575     PersistFile_GetClassID,
576     PersistFile_IsDirty,
577     PersistFile_Load,
578     PersistFile_Save,
579     PersistFile_SaveCompleted,
580     PersistFile_GetCurFile
581 };
582
583 #define PERSTRINIT_THIS(iface) DEFINE_THIS(HTMLDocument, PersistStreamInit, iface)
584
585 static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
586                                                        REFIID riid, void **ppv)
587 {
588     HTMLDocument *This = PERSTRINIT_THIS(iface);
589     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppv);
590 }
591
592 static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
593 {
594     HTMLDocument *This = PERSTRINIT_THIS(iface);
595     return IHTMLDocument2_AddRef(HTMLDOC(This));
596 }
597
598 static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
599 {
600     HTMLDocument *This = PERSTRINIT_THIS(iface);
601     return IHTMLDocument2_Release(HTMLDOC(This));
602 }
603
604 static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
605 {
606     HTMLDocument *This = PERSTRINIT_THIS(iface);
607     return IPersist_GetClassID(PERSIST(This), pClassID);
608 }
609
610 static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
611 {
612     HTMLDocument *This = PERSTRINIT_THIS(iface);
613
614     TRACE("(%p)\n", This);
615
616     if(This->doc_obj->usermode == EDITMODE)
617         return editor_is_dirty(This);
618
619     return S_FALSE;
620 }
621
622 static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM pStm)
623 {
624     HTMLDocument *This = PERSTRINIT_THIS(iface);
625     IMoniker *mon;
626     HRESULT hres;
627
628     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
629
630     TRACE("(%p)->(%p)\n", This, pStm);
631
632     hres = CreateURLMoniker(NULL, about_blankW, &mon);
633     if(FAILED(hres)) {
634         WARN("CreateURLMoniker failed: %08x\n", hres);
635         return hres;
636     }
637
638     hres = set_moniker(This, mon, NULL, TRUE);
639     IMoniker_Release(mon);
640     if(FAILED(hres))
641         return hres;
642
643     return channelbsc_load_stream(This->window->bscallback, pStm);
644 }
645
646 static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM pStm,
647                                              BOOL fClearDirty)
648 {
649     HTMLDocument *This = PERSTRINIT_THIS(iface);
650     char *str;
651     DWORD written=0;
652     HRESULT hres;
653
654     TRACE("(%p)->(%p %x)\n", This, pStm, fClearDirty);
655
656     hres = get_doc_string(This->doc_node, &str);
657     if(FAILED(hres))
658         return hres;
659
660     hres = IStream_Write(pStm, str, strlen(str), &written);
661     if(FAILED(hres))
662         FIXME("Write failed: %08x\n", hres);
663
664     heap_free(str);
665
666     if(fClearDirty)
667         set_dirty(This, VARIANT_FALSE);
668
669     return S_OK;
670 }
671
672 static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
673                                                    ULARGE_INTEGER *pcbSize)
674 {
675     HTMLDocument *This = PERSTRINIT_THIS(iface);
676     FIXME("(%p)->(%p)\n", This, pcbSize);
677     return E_NOTIMPL;
678 }
679
680 static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
681 {
682     HTMLDocument *This = PERSTRINIT_THIS(iface);
683     IMoniker *mon;
684     HGLOBAL body;
685     LPSTREAM stream;
686     HRESULT hres;
687
688     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
689     static const WCHAR html_bodyW[] = {'<','H','T','M','L','>','<','/','H','T','M','L','>',0};
690
691     TRACE("(%p)\n", This);
692
693     body = GlobalAlloc(0, sizeof(html_bodyW));
694     if(!body)
695         return E_OUTOFMEMORY;
696     memcpy(body, html_bodyW, sizeof(html_bodyW));
697
698     hres = CreateURLMoniker(NULL, about_blankW, &mon);
699     if(FAILED(hres)) {
700         WARN("CreateURLMoniker failed: %08x\n", hres);
701         GlobalFree(body);
702         return hres;
703     }
704
705     hres = set_moniker(This, mon, NULL, FALSE);
706     IMoniker_Release(mon);
707     if(FAILED(hres)) {
708         GlobalFree(body);
709         return hres;
710     }
711
712     hres = CreateStreamOnHGlobal(body, TRUE, &stream);
713     if(FAILED(hres)) {
714         GlobalFree(body);
715         return hres;
716     }
717
718     hres = channelbsc_load_stream(This->window->bscallback, stream);
719
720     IStream_Release(stream);
721     return hres;
722 }
723
724 #undef PERSTRINIT_THIS
725
726 static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
727     PersistStreamInit_QueryInterface,
728     PersistStreamInit_AddRef,
729     PersistStreamInit_Release,
730     PersistStreamInit_GetClassID,
731     PersistStreamInit_IsDirty,
732     PersistStreamInit_Load,
733     PersistStreamInit_Save,
734     PersistStreamInit_GetSizeMax,
735     PersistStreamInit_InitNew
736 };
737
738 /**********************************************************
739  * IPersistHistory implementation
740  */
741
742 #define PERSISTHIST_THIS(iface) DEFINE_THIS(HTMLDocument, PersistHistory, iface)
743
744 static HRESULT WINAPI PersistHistory_QueryInterface(IPersistHistory *iface, REFIID riid, void **ppvObject)
745 {
746     HTMLDocument *This = PERSISTHIST_THIS(iface);
747     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
748 }
749
750 static ULONG WINAPI PersistHistory_AddRef(IPersistHistory *iface)
751 {
752     HTMLDocument *This = PERSISTHIST_THIS(iface);
753     return IHTMLDocument2_AddRef(HTMLDOC(This));
754 }
755
756 static ULONG WINAPI PersistHistory_Release(IPersistHistory *iface)
757 {
758     HTMLDocument *This = PERSISTHIST_THIS(iface);
759     return IHTMLDocument2_Release(HTMLDOC(This));
760 }
761
762 static HRESULT WINAPI PersistHistory_GetClassID(IPersistHistory *iface, CLSID *pClassID)
763 {
764     HTMLDocument *This = PERSISTHIST_THIS(iface);
765     return IPersist_GetClassID(PERSIST(This), pClassID);
766 }
767
768 static HRESULT WINAPI PersistHistory_LoadHistory(IPersistHistory *iface, IStream *pStream, IBindCtx *pbc)
769 {
770     HTMLDocument *This = PERSISTHIST_THIS(iface);
771     FIXME("(%p)->(%p %p)\n", This, pStream, pbc);
772     return E_NOTIMPL;
773 }
774
775 static HRESULT WINAPI PersistHistory_SaveHistory(IPersistHistory *iface, IStream *pStream)
776 {
777     HTMLDocument *This = PERSISTHIST_THIS(iface);
778     FIXME("(%p)->(%p)\n", This, pStream);
779     return E_NOTIMPL;
780 }
781
782 static HRESULT WINAPI PersistHistory_SetPositionCookie(IPersistHistory *iface, DWORD dwPositioncookie)
783 {
784     HTMLDocument *This = PERSISTHIST_THIS(iface);
785     FIXME("(%p)->(%x)\n", This, dwPositioncookie);
786     return E_NOTIMPL;
787 }
788
789 static HRESULT WINAPI PersistHistory_GetPositionCookie(IPersistHistory *iface, DWORD *pdwPositioncookie)
790 {
791     HTMLDocument *This = PERSISTHIST_THIS(iface);
792     FIXME("(%p)->(%p)\n", This, pdwPositioncookie);
793     return E_NOTIMPL;
794 }
795
796 #undef PERSISTHIST_THIS
797
798 static const IPersistHistoryVtbl PersistHistoryVtbl = {
799     PersistHistory_QueryInterface,
800     PersistHistory_AddRef,
801     PersistHistory_Release,
802     PersistHistory_GetClassID,
803     PersistHistory_LoadHistory,
804     PersistHistory_SaveHistory,
805     PersistHistory_SetPositionCookie,
806     PersistHistory_GetPositionCookie
807 };
808
809 void HTMLDocument_Persist_Init(HTMLDocument *This)
810 {
811     This->lpPersistMonikerVtbl = &PersistMonikerVtbl;
812     This->lpPersistFileVtbl = &PersistFileVtbl;
813     This->lpMonikerPropVtbl = &MonikerPropVtbl;
814     This->lpPersistStreamInitVtbl = &PersistStreamInitVtbl;
815     This->lpPersistHistoryVtbl = &PersistHistoryVtbl;
816 }