ole32: Don't hold a ref to the drop target in the wrapper. Apps tend to destroy the...
[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 #define NO_SHLWAPI_REG
36 #include "shlwapi.h"
37
38 #include "wine/debug.h"
39
40 #include "mshtml_private.h"
41 #include "htmlevent.h"
42 #include "binding.h"
43 #include "resource.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
46
47 /* Undocumented notification, see tests */
48 #define CMDID_EXPLORER_UPDATEHISTORY 38
49
50 typedef struct {
51     task_t header;
52     HTMLDocumentObj *doc;
53     BOOL set_download;
54     LPOLESTR url;
55 } download_proc_task_t;
56
57 static BOOL use_gecko_script(HTMLWindow *window)
58 {
59     DWORD zone, scheme;
60     HRESULT hres;
61
62     hres = IInternetSecurityManager_MapUrlToZone(window->secmgr, window->url, &zone, 0);
63     if(FAILED(hres)) {
64         WARN("Could not map %s to zone: %08x\n", debugstr_w(window->url), hres);
65         return TRUE;
66     }
67
68     TRACE("zone %d\n", zone);
69     if(zone == URLZONE_LOCAL_MACHINE || zone == URLZONE_TRUSTED || !window->uri)
70         return FALSE;
71
72     hres = IUri_GetScheme(window->uri, &scheme);
73     return FAILED(hres) || scheme != URL_SCHEME_ABOUT;
74 }
75
76 static void notify_travellog_update(HTMLDocumentObj *doc)
77 {
78     IOleCommandTarget *cmdtrg;
79     HRESULT hres;
80
81     if(!doc->is_webbrowser)
82         return;
83
84     /* Don't notify if we were in about: page */
85     if(doc->basedoc.window->uri) {
86         DWORD scheme;
87
88         hres = IUri_GetScheme(doc->basedoc.window->uri, &scheme);
89         if(SUCCEEDED(hres) && scheme == URL_SCHEME_ABOUT)
90             return;
91     }
92
93     hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&cmdtrg);
94     if(SUCCEEDED(hres)) {
95         VARIANT vin;
96
97         V_VT(&vin) = VT_I4;
98         V_I4(&vin) = 0;
99
100         IOleCommandTarget_Exec(cmdtrg, &CGID_Explorer, CMDID_EXPLORER_UPDATEHISTORY, 0, &vin, NULL);
101         IOleCommandTarget_Release(cmdtrg);
102     }
103 }
104
105 void set_current_uri(HTMLWindow *window, IUri *uri)
106 {
107     if(window->uri) {
108         IUri_Release(window->uri);
109         window->uri = NULL;
110     }
111
112     SysFreeString(window->url);
113     window->url = NULL;
114
115     if(!uri)
116         return;
117
118     IUri_AddRef(uri);
119     window->uri = uri;
120
121     IUri_GetDisplayUri(uri, &window->url);
122 }
123
124 void set_current_mon(HTMLWindow *This, IMoniker *mon)
125 {
126     IUriContainer *uri_container;
127     IUri *uri = NULL;
128     HRESULT hres;
129
130     if(This->mon) {
131         if(This->doc_obj)
132             notify_travellog_update(This->doc_obj);
133         IMoniker_Release(This->mon);
134         This->mon = NULL;
135     }
136
137     if(!mon)
138         return;
139
140     IMoniker_AddRef(mon);
141     This->mon = mon;
142
143     hres = IMoniker_QueryInterface(mon, &IID_IUriContainer, (void**)&uri_container);
144     if(SUCCEEDED(hres)) {
145         hres = IUriContainer_GetIUri(uri_container, &uri);
146         IUriContainer_Release(uri_container);
147         if(hres != S_OK) {
148             WARN("GetIUri failed: %08x\n", hres);
149             uri = NULL;
150         }
151     }
152
153     if(!uri) {
154         WCHAR *url;
155
156         hres = IMoniker_GetDisplayName(mon, NULL, NULL, &url);
157         if(SUCCEEDED(hres)) {
158             hres = CreateUri(url, 0, 0, &uri);
159             if(FAILED(hres)) {
160                 WARN("CrateUri failed: %08x\n", hres);
161                 set_current_uri(This, NULL);
162                 This->url = SysAllocString(url);
163                 CoTaskMemFree(url);
164                 return;
165             }
166             CoTaskMemFree(url);
167         }else {
168             WARN("GetDisplayName failed: %08x\n", hres);
169         }
170     }
171
172     set_current_uri(This, uri);
173     if(uri)
174         IUri_Release(uri);
175     set_script_mode(This, use_gecko_script(This) ? SCRIPTMODE_GECKO : SCRIPTMODE_ACTIVESCRIPT);
176 }
177
178 HRESULT create_relative_uri(HTMLWindow *window, const WCHAR *rel_uri, IUri **uri)
179 {
180     return window->uri
181         ? CoInternetCombineUrlEx(window->uri, rel_uri, URL_ESCAPE_SPACES_ONLY|URL_DONT_ESCAPE_EXTRA_INFO, uri, 0)
182         : CreateUri(rel_uri, 0, 0, uri);
183 }
184
185 void set_download_state(HTMLDocumentObj *doc, int state)
186 {
187     if(doc->client) {
188         IOleCommandTarget *olecmd;
189         HRESULT hres;
190
191         hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
192         if(SUCCEEDED(hres)) {
193             VARIANT var;
194
195             V_VT(&var) = VT_I4;
196             V_I4(&var) = state;
197
198             IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE,
199                     OLECMDEXECOPT_DONTPROMPTUSER, &var, NULL);
200             IOleCommandTarget_Release(olecmd);
201         }
202     }
203
204     doc->download_state = state;
205 }
206
207 static void set_progress_proc(task_t *_task)
208 {
209     docobj_task_t *task = (docobj_task_t*)_task;
210     IOleCommandTarget *olecmd = NULL;
211     HTMLDocumentObj *doc = task->doc;
212     HRESULT hres;
213
214     TRACE("(%p)\n", doc);
215
216     if(doc->client)
217         IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
218
219     if(olecmd) {
220         VARIANT progress_max, progress;
221
222         V_VT(&progress_max) = VT_I4;
223         V_I4(&progress_max) = 0; /* FIXME */
224         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSMAX, OLECMDEXECOPT_DONTPROMPTUSER,
225                                &progress_max, NULL);
226
227         V_VT(&progress) = VT_I4;
228         V_I4(&progress) = 0; /* FIXME */
229         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
230                                &progress, NULL);
231         IOleCommandTarget_Release(olecmd);
232     }
233
234     if(doc->usermode == EDITMODE && doc->hostui) {
235         DOCHOSTUIINFO hostinfo;
236
237         memset(&hostinfo, 0, sizeof(DOCHOSTUIINFO));
238         hostinfo.cbSize = sizeof(DOCHOSTUIINFO);
239         hres = IDocHostUIHandler_GetHostInfo(doc->hostui, &hostinfo);
240         if(SUCCEEDED(hres))
241             /* FIXME: use hostinfo */
242             TRACE("hostinfo = {%u %08x %08x %s %s}\n",
243                     hostinfo.cbSize, hostinfo.dwFlags, hostinfo.dwDoubleClick,
244                     debugstr_w(hostinfo.pchHostCss), debugstr_w(hostinfo.pchHostNS));
245     }
246 }
247
248 static void set_downloading_proc(task_t *_task)
249 {
250     download_proc_task_t *task = (download_proc_task_t*)_task;
251     HTMLDocumentObj *doc = task->doc;
252     HRESULT hres;
253
254     TRACE("(%p)\n", doc);
255
256     set_statustext(doc, IDS_STATUS_DOWNLOADINGFROM, task->url);
257
258     if(task->set_download)
259         set_download_state(doc, 1);
260
261     if(!doc->client)
262         return;
263
264     if(doc->view_sink)
265         IAdviseSink_OnViewChange(doc->view_sink, DVASPECT_CONTENT, -1);
266
267     if(doc->hostui) {
268         IDropTarget *drop_target = NULL;
269
270         hres = IDocHostUIHandler_GetDropTarget(doc->hostui, NULL /* FIXME */, &drop_target);
271         if(SUCCEEDED(hres)) {
272             FIXME("Use IDropTarget\n");
273             IDropTarget_Release(drop_target);
274         }
275     }
276 }
277
278 static void set_downloading_task_destr(task_t *_task)
279 {
280     download_proc_task_t *task = (download_proc_task_t*)_task;
281
282     CoTaskMemFree(task->url);
283     heap_free(task);
284 }
285
286 void prepare_for_binding(HTMLDocument *This, IMoniker *mon, BOOL navigated_binding)
287 {
288     HRESULT hres;
289
290     if(This->doc_obj->client) {
291         VARIANT silent, offline;
292
293         hres = get_client_disp_property(This->doc_obj->client, DISPID_AMBIENT_SILENT, &silent);
294         if(SUCCEEDED(hres)) {
295             if(V_VT(&silent) != VT_BOOL)
296                 WARN("V_VT(silent) = %d\n", V_VT(&silent));
297             else if(V_BOOL(&silent))
298                 FIXME("silent == true\n");
299         }
300
301         hres = get_client_disp_property(This->doc_obj->client,
302                 DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
303         if(SUCCEEDED(hres)) {
304             if(V_VT(&offline) != VT_BOOL)
305                 WARN("V_VT(offline) = %d\n", V_VT(&offline));
306             else if(V_BOOL(&offline))
307                 FIXME("offline == true\n");
308         }
309     }
310
311     if(This->window->mon) {
312         update_doc(This, UPDATE_TITLE|UPDATE_UI);
313     }else {
314         update_doc(This, UPDATE_TITLE);
315         set_current_mon(This->window, mon);
316     }
317
318     if(This->doc_obj->client) {
319         IOleCommandTarget *cmdtrg = NULL;
320
321         hres = IOleClientSite_QueryInterface(This->doc_obj->client, &IID_IOleCommandTarget,
322                 (void**)&cmdtrg);
323         if(SUCCEEDED(hres)) {
324             VARIANT var, out;
325
326             if(!navigated_binding) {
327                 V_VT(&var) = VT_I4;
328                 V_I4(&var) = 0;
329                 IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 37, 0, &var, NULL);
330             }else {
331                 V_VT(&var) = VT_UNKNOWN;
332                 V_UNKNOWN(&var) = (IUnknown*)&This->window->IHTMLWindow2_iface;
333                 V_VT(&out) = VT_EMPTY;
334                 hres = IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 63, 0, &var, &out);
335                 if(SUCCEEDED(hres))
336                     VariantClear(&out);
337             }
338
339             IOleCommandTarget_Release(cmdtrg);
340         }
341     }
342 }
343
344 HRESULT set_moniker(HTMLDocument *This, IMoniker *mon, IBindCtx *pibc, nsChannelBSC *async_bsc, BOOL set_download)
345 {
346     download_proc_task_t *download_task;
347     nsChannelBSC *bscallback;
348     nsWineURI *nsuri;
349     LPOLESTR url;
350     HRESULT hres;
351
352     hres = IMoniker_GetDisplayName(mon, pibc, NULL, &url);
353     if(FAILED(hres)) {
354         WARN("GetDiaplayName failed: %08x\n", hres);
355         return hres;
356     }
357
358     TRACE("got url: %s\n", debugstr_w(url));
359
360     set_ready_state(This->window, READYSTATE_LOADING);
361
362     hres = create_doc_uri(This->window, url, &nsuri);
363     if(SUCCEEDED(hres)) {
364         if(async_bsc)
365             bscallback = async_bsc;
366         else
367             hres = create_channelbsc(mon, NULL, NULL, 0, &bscallback);
368     }
369
370     if(SUCCEEDED(hres)) {
371         remove_target_tasks(This->task_magic);
372         abort_document_bindings(This->doc_node);
373
374         hres = load_nsuri(This->window, nsuri, bscallback, 0/*LOAD_INITIAL_DOCUMENT_URI*/);
375         nsISupports_Release((nsISupports*)nsuri); /* FIXME */
376         if(SUCCEEDED(hres))
377             set_window_bscallback(This->window, bscallback);
378         if(bscallback != async_bsc)
379             IUnknown_Release((IUnknown*)bscallback);
380     }
381
382     if(FAILED(hres)) {
383         CoTaskMemFree(url);
384         return hres;
385     }
386
387     HTMLDocument_LockContainer(This->doc_obj, TRUE);
388
389     if(This->doc_obj->frame) {
390         docobj_task_t *task;
391
392         task = heap_alloc(sizeof(docobj_task_t));
393         task->doc = This->doc_obj;
394         push_task(&task->header, set_progress_proc, NULL, This->doc_obj->basedoc.task_magic);
395     }
396
397     download_task = heap_alloc(sizeof(download_proc_task_t));
398     download_task->doc = This->doc_obj;
399     download_task->set_download = set_download;
400     download_task->url = url;
401     push_task(&download_task->header, set_downloading_proc, set_downloading_task_destr, This->doc_obj->basedoc.task_magic);
402
403     return S_OK;
404 }
405
406 void set_ready_state(HTMLWindow *window, READYSTATE readystate)
407 {
408     window->readystate = readystate;
409
410     if(window->doc_obj && window->doc_obj->basedoc.window == window)
411         call_property_onchanged(&window->doc_obj->basedoc.cp_propnotif, DISPID_READYSTATE);
412
413     fire_event(window->doc, EVENTID_READYSTATECHANGE, FALSE, window->doc->node.nsnode, NULL);
414
415     if(window->frame_element)
416         fire_event(window->frame_element->element.node.doc, EVENTID_READYSTATECHANGE,
417                    TRUE, window->frame_element->element.node.nsnode, NULL);
418 }
419
420 static HRESULT get_doc_string(HTMLDocumentNode *This, char **str)
421 {
422     nsIDOMNode *nsnode;
423     LPCWSTR strw;
424     nsAString nsstr;
425     nsresult nsres;
426     HRESULT hres;
427
428     if(!This->nsdoc) {
429         WARN("NULL nsdoc\n");
430         return E_UNEXPECTED;
431     }
432
433     nsres = nsIDOMHTMLDocument_QueryInterface(This->nsdoc, &IID_nsIDOMNode, (void**)&nsnode);
434     if(NS_FAILED(nsres)) {
435         ERR("Could not get nsIDOMNode failed: %08x\n", nsres);
436         return E_FAIL;
437     }
438
439     nsAString_Init(&nsstr, NULL);
440     hres = nsnode_to_nsstring(nsnode, &nsstr);
441     nsIDOMNode_Release(nsnode);
442     if(FAILED(hres)) {
443         nsAString_Finish(&nsstr);
444         return hres;
445     }
446
447     nsAString_GetData(&nsstr, &strw);
448     TRACE("%s\n", debugstr_w(strw));
449
450     *str = heap_strdupWtoA(strw);
451
452     nsAString_Finish(&nsstr);
453
454     if(!*str)
455         return E_OUTOFMEMORY;
456     return S_OK;
457 }
458
459
460 /**********************************************************
461  * IPersistMoniker implementation
462  */
463
464 static inline HTMLDocument *impl_from_IPersistMoniker(IPersistMoniker *iface)
465 {
466     return CONTAINING_RECORD(iface, HTMLDocument, IPersistMoniker_iface);
467 }
468
469 static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid, void **ppv)
470 {
471     HTMLDocument *This = impl_from_IPersistMoniker(iface);
472     return htmldoc_query_interface(This, riid, ppv);
473 }
474
475 static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
476 {
477     HTMLDocument *This = impl_from_IPersistMoniker(iface);
478     return htmldoc_addref(This);
479 }
480
481 static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
482 {
483     HTMLDocument *This = impl_from_IPersistMoniker(iface);
484     return htmldoc_release(This);
485 }
486
487 static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
488 {
489     HTMLDocument *This = impl_from_IPersistMoniker(iface);
490     return IPersist_GetClassID(&This->IPersistFile_iface, pClassID);
491 }
492
493 static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
494 {
495     HTMLDocument *This = impl_from_IPersistMoniker(iface);
496
497     TRACE("(%p)\n", This);
498
499     return IPersistStreamInit_IsDirty(&This->IPersistStreamInit_iface);
500 }
501
502 static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
503         IMoniker *pimkName, LPBC pibc, DWORD grfMode)
504 {
505     HTMLDocument *This = impl_from_IPersistMoniker(iface);
506     HRESULT hres;
507
508     TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);
509
510     if(pibc) {
511         IUnknown *unk = NULL;
512
513         /* FIXME:
514          * Use params:
515          * "__PrecreatedObject"
516          * "BIND_CONTEXT_PARAM"
517          * "__HTMLLOADOPTIONS"
518          * "__DWNBINDINFO"
519          * "URL Context"
520          * "_ITransData_Object_"
521          * "_EnumFORMATETC_"
522          */
523
524         IBindCtx_GetObjectParam(pibc, (LPOLESTR)SZ_HTML_CLIENTSITE_OBJECTPARAM, &unk);
525         if(unk) {
526             IOleClientSite *client = NULL;
527
528             hres = IUnknown_QueryInterface(unk, &IID_IOleClientSite, (void**)&client);
529             if(SUCCEEDED(hres)) {
530                 TRACE("Got client site %p\n", client);
531                 IOleObject_SetClientSite(&This->IOleObject_iface, client);
532                 IOleClientSite_Release(client);
533             }
534
535             IUnknown_Release(unk);
536         }
537     }
538
539     prepare_for_binding(This, pimkName, FALSE);
540     hres = set_moniker(This, pimkName, pibc, NULL, TRUE);
541     if(FAILED(hres))
542         return hres;
543
544     return start_binding(This->window, NULL, (BSCallback*)This->window->bscallback, pibc);
545 }
546
547 static HRESULT WINAPI PersistMoniker_Save(IPersistMoniker *iface, IMoniker *pimkName,
548         LPBC pbc, BOOL fRemember)
549 {
550     HTMLDocument *This = impl_from_IPersistMoniker(iface);
551     FIXME("(%p)->(%p %p %x)\n", This, pimkName, pbc, fRemember);
552     return E_NOTIMPL;
553 }
554
555 static HRESULT WINAPI PersistMoniker_SaveCompleted(IPersistMoniker *iface, IMoniker *pimkName, LPBC pibc)
556 {
557     HTMLDocument *This = impl_from_IPersistMoniker(iface);
558     FIXME("(%p)->(%p %p)\n", This, pimkName, pibc);
559     return E_NOTIMPL;
560 }
561
562 static HRESULT WINAPI PersistMoniker_GetCurMoniker(IPersistMoniker *iface, IMoniker **ppimkName)
563 {
564     HTMLDocument *This = impl_from_IPersistMoniker(iface);
565
566     TRACE("(%p)->(%p)\n", This, ppimkName);
567
568     if(!This->window || !This->window->mon)
569         return E_UNEXPECTED;
570
571     IMoniker_AddRef(This->window->mon);
572     *ppimkName = This->window->mon;
573     return S_OK;
574 }
575
576 static const IPersistMonikerVtbl PersistMonikerVtbl = {
577     PersistMoniker_QueryInterface,
578     PersistMoniker_AddRef,
579     PersistMoniker_Release,
580     PersistMoniker_GetClassID,
581     PersistMoniker_IsDirty,
582     PersistMoniker_Load,
583     PersistMoniker_Save,
584     PersistMoniker_SaveCompleted,
585     PersistMoniker_GetCurMoniker
586 };
587
588 /**********************************************************
589  * IMonikerProp implementation
590  */
591
592 static inline HTMLDocument *impl_from_IMonikerProp(IMonikerProp *iface)
593 {
594     return CONTAINING_RECORD(iface, HTMLDocument, IMonikerProp_iface);
595 }
596
597 static HRESULT WINAPI MonikerProp_QueryInterface(IMonikerProp *iface, REFIID riid, void **ppv)
598 {
599     HTMLDocument *This = impl_from_IMonikerProp(iface);
600     return htmldoc_query_interface(This, riid, ppv);
601 }
602
603 static ULONG WINAPI MonikerProp_AddRef(IMonikerProp *iface)
604 {
605     HTMLDocument *This = impl_from_IMonikerProp(iface);
606     return htmldoc_addref(This);
607 }
608
609 static ULONG WINAPI MonikerProp_Release(IMonikerProp *iface)
610 {
611     HTMLDocument *This = impl_from_IMonikerProp(iface);
612     return htmldoc_release(This);
613 }
614
615 static HRESULT WINAPI MonikerProp_PutProperty(IMonikerProp *iface, MONIKERPROPERTY mkp, LPCWSTR val)
616 {
617     HTMLDocument *This = impl_from_IMonikerProp(iface);
618
619     TRACE("(%p)->(%d %s)\n", This, mkp, debugstr_w(val));
620
621     switch(mkp) {
622     case MIMETYPEPROP:
623         heap_free(This->doc_obj->mime);
624         This->doc_obj->mime = heap_strdupW(val);
625         break;
626
627     case CLASSIDPROP:
628         break;
629
630     default:
631         FIXME("mkp %d\n", mkp);
632         return E_NOTIMPL;
633     }
634
635     return S_OK;
636 }
637
638 static const IMonikerPropVtbl MonikerPropVtbl = {
639     MonikerProp_QueryInterface,
640     MonikerProp_AddRef,
641     MonikerProp_Release,
642     MonikerProp_PutProperty
643 };
644
645 /**********************************************************
646  * IPersistFile implementation
647  */
648
649 static inline HTMLDocument *impl_from_IPersistFile(IPersistFile *iface)
650 {
651     return CONTAINING_RECORD(iface, HTMLDocument, IPersistFile_iface);
652 }
653
654 static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppv)
655 {
656     HTMLDocument *This = impl_from_IPersistFile(iface);
657     return htmldoc_query_interface(This, riid, ppv);
658 }
659
660 static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
661 {
662     HTMLDocument *This = impl_from_IPersistFile(iface);
663     return htmldoc_addref(This);
664 }
665
666 static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
667 {
668     HTMLDocument *This = impl_from_IPersistFile(iface);
669     return htmldoc_release(This);
670 }
671
672 static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
673 {
674     HTMLDocument *This = impl_from_IPersistFile(iface);
675
676     TRACE("(%p)->(%p)\n", This, pClassID);
677
678     if(!pClassID)
679         return E_INVALIDARG;
680
681     *pClassID = CLSID_HTMLDocument;
682     return S_OK;
683 }
684
685 static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
686 {
687     HTMLDocument *This = impl_from_IPersistFile(iface);
688
689     TRACE("(%p)\n", This);
690
691     return IPersistStreamInit_IsDirty(&This->IPersistStreamInit_iface);
692 }
693
694 static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
695 {
696     HTMLDocument *This = impl_from_IPersistFile(iface);
697     FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
698     return E_NOTIMPL;
699 }
700
701 static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
702 {
703     HTMLDocument *This = impl_from_IPersistFile(iface);
704     char *str;
705     DWORD written=0;
706     HANDLE file;
707     HRESULT hres;
708
709     TRACE("(%p)->(%s %x)\n", This, debugstr_w(pszFileName), fRemember);
710
711     file = CreateFileW(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
712                        FILE_ATTRIBUTE_NORMAL, NULL);
713     if(file == INVALID_HANDLE_VALUE) {
714         WARN("Could not create file: %u\n", GetLastError());
715         return E_FAIL;
716     }
717
718     hres = get_doc_string(This->doc_node, &str);
719     if(SUCCEEDED(hres))
720         WriteFile(file, str, strlen(str), &written, NULL);
721
722     CloseHandle(file);
723     return hres;
724 }
725
726 static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
727 {
728     HTMLDocument *This = impl_from_IPersistFile(iface);
729     FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
730     return E_NOTIMPL;
731 }
732
733 static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
734 {
735     HTMLDocument *This = impl_from_IPersistFile(iface);
736     FIXME("(%p)->(%p)\n", This, pszFileName);
737     return E_NOTIMPL;
738 }
739
740 static const IPersistFileVtbl PersistFileVtbl = {
741     PersistFile_QueryInterface,
742     PersistFile_AddRef,
743     PersistFile_Release,
744     PersistFile_GetClassID,
745     PersistFile_IsDirty,
746     PersistFile_Load,
747     PersistFile_Save,
748     PersistFile_SaveCompleted,
749     PersistFile_GetCurFile
750 };
751
752 static inline HTMLDocument *impl_from_IPersistStreamInit(IPersistStreamInit *iface)
753 {
754     return CONTAINING_RECORD(iface, HTMLDocument, IPersistStreamInit_iface);
755 }
756
757 static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
758                                                        REFIID riid, void **ppv)
759 {
760     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
761     return htmldoc_query_interface(This, riid, ppv);
762 }
763
764 static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
765 {
766     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
767     return htmldoc_addref(This);
768 }
769
770 static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
771 {
772     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
773     return htmldoc_release(This);
774 }
775
776 static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
777 {
778     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
779     return IPersist_GetClassID(&This->IPersistFile_iface, pClassID);
780 }
781
782 static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
783 {
784     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
785
786     TRACE("(%p)\n", This);
787
788     if(This->doc_obj->usermode == EDITMODE)
789         return editor_is_dirty(This);
790
791     return S_FALSE;
792 }
793
794 static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, LPSTREAM pStm)
795 {
796     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
797     IMoniker *mon;
798     HRESULT hres;
799
800     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
801
802     TRACE("(%p)->(%p)\n", This, pStm);
803
804     hres = CreateURLMoniker(NULL, about_blankW, &mon);
805     if(FAILED(hres)) {
806         WARN("CreateURLMoniker failed: %08x\n", hres);
807         return hres;
808     }
809
810     prepare_for_binding(This, mon, FALSE);
811     hres = set_moniker(This, mon, NULL, NULL, TRUE);
812     IMoniker_Release(mon);
813     if(FAILED(hres))
814         return hres;
815
816     return channelbsc_load_stream(This->window->bscallback, pStm);
817 }
818
819 static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, LPSTREAM pStm,
820                                              BOOL fClearDirty)
821 {
822     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
823     char *str;
824     DWORD written=0;
825     HRESULT hres;
826
827     TRACE("(%p)->(%p %x)\n", This, pStm, fClearDirty);
828
829     hres = get_doc_string(This->doc_node, &str);
830     if(FAILED(hres))
831         return hres;
832
833     hres = IStream_Write(pStm, str, strlen(str), &written);
834     if(FAILED(hres))
835         FIXME("Write failed: %08x\n", hres);
836
837     heap_free(str);
838
839     if(fClearDirty)
840         set_dirty(This, VARIANT_FALSE);
841
842     return S_OK;
843 }
844
845 static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
846                                                    ULARGE_INTEGER *pcbSize)
847 {
848     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
849     FIXME("(%p)->(%p)\n", This, pcbSize);
850     return E_NOTIMPL;
851 }
852
853 static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
854 {
855     HTMLDocument *This = impl_from_IPersistStreamInit(iface);
856     IMoniker *mon;
857     HRESULT hres;
858
859     static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
860
861     TRACE("(%p)\n", This);
862
863     hres = CreateURLMoniker(NULL, about_blankW, &mon);
864     if(FAILED(hres)) {
865         WARN("CreateURLMoniker failed: %08x\n", hres);
866         return hres;
867     }
868
869     prepare_for_binding(This, mon, FALSE);
870     hres = set_moniker(This, mon, NULL, NULL, FALSE);
871     IMoniker_Release(mon);
872     if(FAILED(hres))
873         return hres;
874
875     return channelbsc_load_stream(This->window->bscallback, NULL);
876 }
877
878 static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
879     PersistStreamInit_QueryInterface,
880     PersistStreamInit_AddRef,
881     PersistStreamInit_Release,
882     PersistStreamInit_GetClassID,
883     PersistStreamInit_IsDirty,
884     PersistStreamInit_Load,
885     PersistStreamInit_Save,
886     PersistStreamInit_GetSizeMax,
887     PersistStreamInit_InitNew
888 };
889
890 /**********************************************************
891  * IPersistHistory implementation
892  */
893
894 static inline HTMLDocument *impl_from_IPersistHistory(IPersistHistory *iface)
895 {
896     return CONTAINING_RECORD(iface, HTMLDocument, IPersistHistory_iface);
897 }
898
899 static HRESULT WINAPI PersistHistory_QueryInterface(IPersistHistory *iface, REFIID riid, void **ppv)
900 {
901     HTMLDocument *This = impl_from_IPersistHistory(iface);
902     return htmldoc_query_interface(This, riid, ppv);
903 }
904
905 static ULONG WINAPI PersistHistory_AddRef(IPersistHistory *iface)
906 {
907     HTMLDocument *This = impl_from_IPersistHistory(iface);
908     return htmldoc_addref(This);
909 }
910
911 static ULONG WINAPI PersistHistory_Release(IPersistHistory *iface)
912 {
913     HTMLDocument *This = impl_from_IPersistHistory(iface);
914     return htmldoc_release(This);
915 }
916
917 static HRESULT WINAPI PersistHistory_GetClassID(IPersistHistory *iface, CLSID *pClassID)
918 {
919     HTMLDocument *This = impl_from_IPersistHistory(iface);
920     return IPersist_GetClassID(&This->IPersistFile_iface, pClassID);
921 }
922
923 static HRESULT WINAPI PersistHistory_LoadHistory(IPersistHistory *iface, IStream *pStream, IBindCtx *pbc)
924 {
925     HTMLDocument *This = impl_from_IPersistHistory(iface);
926     FIXME("(%p)->(%p %p)\n", This, pStream, pbc);
927     return E_NOTIMPL;
928 }
929
930 static HRESULT WINAPI PersistHistory_SaveHistory(IPersistHistory *iface, IStream *pStream)
931 {
932     HTMLDocument *This = impl_from_IPersistHistory(iface);
933     FIXME("(%p)->(%p)\n", This, pStream);
934     return E_NOTIMPL;
935 }
936
937 static HRESULT WINAPI PersistHistory_SetPositionCookie(IPersistHistory *iface, DWORD dwPositioncookie)
938 {
939     HTMLDocument *This = impl_from_IPersistHistory(iface);
940     FIXME("(%p)->(%x)\n", This, dwPositioncookie);
941     return E_NOTIMPL;
942 }
943
944 static HRESULT WINAPI PersistHistory_GetPositionCookie(IPersistHistory *iface, DWORD *pdwPositioncookie)
945 {
946     HTMLDocument *This = impl_from_IPersistHistory(iface);
947     FIXME("(%p)->(%p)\n", This, pdwPositioncookie);
948     return E_NOTIMPL;
949 }
950
951 static const IPersistHistoryVtbl PersistHistoryVtbl = {
952     PersistHistory_QueryInterface,
953     PersistHistory_AddRef,
954     PersistHistory_Release,
955     PersistHistory_GetClassID,
956     PersistHistory_LoadHistory,
957     PersistHistory_SaveHistory,
958     PersistHistory_SetPositionCookie,
959     PersistHistory_GetPositionCookie
960 };
961
962 void HTMLDocument_Persist_Init(HTMLDocument *This)
963 {
964     This->IPersistMoniker_iface.lpVtbl = &PersistMonikerVtbl;
965     This->IPersistFile_iface.lpVtbl = &PersistFileVtbl;
966     This->IMonikerProp_iface.lpVtbl = &MonikerPropVtbl;
967     This->IPersistStreamInit_iface.lpVtbl = &PersistStreamInitVtbl;
968     This->IPersistHistory_iface.lpVtbl = &PersistHistoryVtbl;
969 }