mshtml: Moved exec_editmode implementation to a helper function in editor.c.
[wine] / dlls / mshtml / editor.c
1 /*
2  * Copyright 2006-2007 Jacek Caban for CodeWeavers
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 <stdarg.h>
20 #include <stdio.h>
21
22 #define COBJMACROS
23
24 #include "windef.h"
25 #include "winbase.h"
26 #include "winuser.h"
27 #include "ole2.h"
28 #include "mshtmcid.h"
29 #include "shlguid.h"
30
31 #include "wine/debug.h"
32
33 #include "mshtml_private.h"
34 #include "resource.h"
35
36 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
37
38 #define NSCMD_ALIGN        "cmd_align"
39 #define NSCMD_BEGINLINE    "cmd_beginLine"
40 #define NSCMD_BOLD         "cmd_bold"
41 #define NSCMD_CHARNEXT     "cmd_charNext"
42 #define NSCMD_CHARPREVIOUS "cmd_charPrevious"
43 #define NSCMD_COPY         "cmd_copy"
44 #define NSCMD_CUT          "cmd_cut"
45 #define NSCMD_DELETECHARFORWARD   "cmd_deleteCharForward"
46 #define NSCMD_DELETEWORDFORWARD   "cmd_deleteWordForward"
47 #define NSCMD_ENDLINE      "cmd_endLine"
48 #define NSCMD_FONTCOLOR    "cmd_fontColor"
49 #define NSCMD_FONTFACE     "cmd_fontFace"
50 #define NSCMD_INDENT       "cmd_indent"
51 #define NSCMD_INSERTHR     "cmd_insertHR"
52 #define NSCMD_INSERTLINKNOUI    "cmd_insertLinkNoUI"
53 #define NSCMD_ITALIC       "cmd_italic"
54 #define NSCMD_LINENEXT     "cmd_lineNext"
55 #define NSCMD_LINEPREVIOUS "cmd_linePrevious"
56 #define NSCMD_MOVEBOTTOM   "cmd_moveBottom"
57 #define NSCMD_MOVEPAGEDOWN "cmd_movePageDown"
58 #define NSCMD_MOVEPAGEUP   "cmd_movePageUp"
59 #define NSCMD_MOVETOP      "cmd_moveTop"
60 #define NSCMD_OL           "cmd_ol"
61 #define NSCMD_OUTDENT      "cmd_outdent"
62 #define NSCMD_PASTE        "cmd_paste"
63 #define NSCMD_SELECTALL           "cmd_selectAll"
64 #define NSCMD_SELECTBEGINLINE     "cmd_selectBeginLine"
65 #define NSCMD_SELECTBOTTOM        "cmd_selectBottom"
66 #define NSCMD_SELECTCHARNEXT      "cmd_selectCharNext"
67 #define NSCMD_SELECTCHARPREVIOUS  "cmd_selectCharPrevious"
68 #define NSCMD_SELECTENDLINE       "cmd_selectEndLine"
69 #define NSCMD_SELECTLINENEXT      "cmd_selectLineNext"
70 #define NSCMD_SELECTLINEPREVIOUS  "cmd_selectLinePrevious"
71 #define NSCMD_SELECTPAGEDOWN      "cmd_selectPageDown"
72 #define NSCMD_SELECTPAGEUP        "cmd_selectPageUp"
73 #define NSCMD_SELECTTOP           "cmd_selectTop"
74 #define NSCMD_SELECTWORDNEXT      "cmd_selectWordNext"
75 #define NSCMD_SELECTWORDPREVIOUS  "cmd_selectWordPrevious"
76 #define NSCMD_UL           "cmd_ul"
77 #define NSCMD_UNDERLINE    "cmd_underline"
78 #define NSCMD_WORDNEXT     "cmd_wordNext"
79 #define NSCMD_WORDPREVIOUS "cmd_wordPrevious"
80
81 #define NSSTATE_ATTRIBUTE "state_attribute"
82 #define NSSTATE_ALL       "state_all"
83
84 #define NSALIGN_CENTER "center"
85 #define NSALIGN_LEFT   "left"
86 #define NSALIGN_RIGHT  "right"
87
88 #define DOM_VK_LEFT     VK_LEFT
89 #define DOM_VK_UP       VK_UP
90 #define DOM_VK_RIGHT    VK_RIGHT
91 #define DOM_VK_DOWN     VK_DOWN
92 #define DOM_VK_DELETE   VK_DELETE
93 #define DOM_VK_HOME     VK_HOME
94 #define DOM_VK_END      VK_END
95
96 static const WCHAR fontW[] = {'f','o','n','t',0};
97 static const WCHAR sizeW[] = {'s','i','z','e',0};
98
99 void set_dirty(HTMLDocument *This, VARIANT_BOOL dirty)
100 {
101     nsresult nsres;
102
103     if(This->doc_obj->usermode != EDITMODE || !This->doc_obj->nscontainer || !This->doc_obj->nscontainer->editor)
104         return;
105
106     if(dirty) {
107         nsres = nsIEditor_IncrementModificationCount(This->doc_obj->nscontainer->editor, 1);
108         if(NS_FAILED(nsres))
109             ERR("IncrementModificationCount failed: %08x\n", nsres);
110     }else {
111         nsres = nsIEditor_ResetModificationCount(This->doc_obj->nscontainer->editor);
112         if(NS_FAILED(nsres))
113             ERR("ResetModificationCount failed: %08x\n", nsres);
114     }
115 }
116
117 static void do_ns_editor_command(NSContainer *This, const char *cmd)
118 {
119     nsresult nsres;
120
121     if(!This->editor_controller)
122         return;
123
124     nsres = nsIController_DoCommand(This->editor_controller, cmd);
125     if(NS_FAILED(nsres))
126         ERR("DoCommand(%s) failed: %08x\n", debugstr_a(cmd), nsres);
127 }
128
129 static nsresult get_ns_command_state(NSContainer *This, const char *cmd, nsICommandParams *nsparam)
130 {
131     nsICommandManager *cmdmgr;
132     nsresult nsres;
133
134     nsres = get_nsinterface((nsISupports*)This->webbrowser, &IID_nsICommandManager, (void**)&cmdmgr);
135     if(NS_FAILED(nsres)) {
136         ERR("Could not get nsICommandManager: %08x\n", nsres);
137         return nsres;
138     }
139
140     nsres = nsICommandManager_GetCommandState(cmdmgr, cmd, This->doc->basedoc.window->nswindow, nsparam);
141     if(NS_FAILED(nsres))
142         ERR("GetCommandState(%s) failed: %08x\n", debugstr_a(cmd), nsres);
143
144     nsICommandManager_Release(cmdmgr);
145     return nsres;
146 }
147
148 static DWORD query_ns_edit_status(HTMLDocument *This, const char *nscmd)
149 {
150     nsICommandParams *nsparam;
151     cpp_bool b = FALSE;
152
153     if(This->doc_obj->usermode != EDITMODE || This->window->readystate < READYSTATE_INTERACTIVE)
154         return OLECMDF_SUPPORTED;
155
156     if(This->doc_obj->nscontainer && nscmd) {
157         nsparam = create_nscommand_params();
158         get_ns_command_state(This->doc_obj->nscontainer, nscmd, nsparam);
159
160         nsICommandParams_GetBooleanValue(nsparam, NSSTATE_ALL, &b);
161
162         nsICommandParams_Release(nsparam);
163     }
164
165     return OLECMDF_SUPPORTED | OLECMDF_ENABLED | (b ? OLECMDF_LATCHED : 0);
166 }
167
168 static void set_ns_align(HTMLDocument *This, const char *align_str)
169 {
170     nsICommandParams *nsparam;
171
172     if(!This->doc_obj->nscontainer)
173         return;
174
175     nsparam = create_nscommand_params();
176     nsICommandParams_SetCStringValue(nsparam, NSSTATE_ATTRIBUTE, align_str);
177
178     do_ns_command(This, NSCMD_ALIGN, nsparam);
179
180     nsICommandParams_Release(nsparam);
181 }
182
183 static DWORD query_align_status(HTMLDocument *This, const WCHAR *align)
184 {
185     DWORD ret = OLECMDF_SUPPORTED | OLECMDF_ENABLED;
186     nsAString justify_str;
187     cpp_bool b;
188     nsresult nsres;
189
190     if(This->doc_obj->usermode != EDITMODE || This->window->readystate < READYSTATE_INTERACTIVE)
191         return OLECMDF_SUPPORTED;
192
193     nsAString_Init(&justify_str, align);
194     nsres = nsIDOMHTMLDocument_QueryCommandState(This->doc_node->nsdoc, &justify_str, &b);
195     nsAString_Finish(&justify_str);
196     if(NS_SUCCEEDED(nsres) && b)
197         ret |= OLECMDF_LATCHED;
198
199     return ret;
200 }
201
202
203 static nsISelection *get_ns_selection(HTMLDocument *This)
204 {
205     nsISelection *nsselection = NULL;
206     nsresult nsres;
207
208     nsres = nsIDOMWindow_GetSelection(This->window->nswindow, &nsselection);
209     if(NS_FAILED(nsres))
210         ERR("GetSelection failed %08x\n", nsres);
211
212     return nsselection;
213
214 }
215
216 static void remove_child_attr(nsIDOMElement *elem, LPCWSTR tag, nsAString *attr_str)
217 {
218     cpp_bool has_children;
219     UINT32 child_cnt, i;
220     nsIDOMNode *child_node;
221     nsIDOMNodeList *node_list;
222     UINT16 node_type;
223
224     nsIDOMElement_HasChildNodes(elem, &has_children);
225     if(!has_children)
226         return;
227
228     nsIDOMElement_GetChildNodes(elem, &node_list);
229     nsIDOMNodeList_GetLength(node_list, &child_cnt);
230
231     for(i=0; i<child_cnt; i++) {
232         nsIDOMNodeList_Item(node_list, i, &child_node);
233
234         nsIDOMNode_GetNodeType(child_node, &node_type);
235         if(node_type == ELEMENT_NODE) {
236             nsIDOMElement *child_elem;
237             nsAString tag_str;
238             const PRUnichar *ctag;
239
240             nsIDOMNode_QueryInterface(child_node, &IID_nsIDOMElement, (void**)&child_elem);
241
242             nsAString_Init(&tag_str, NULL);
243             nsIDOMElement_GetTagName(child_elem, &tag_str);
244             nsAString_GetData(&tag_str, &ctag);
245
246             if(!strcmpiW(ctag, tag))
247                 /* FIXME: remove node if there are no more attributes */
248                 nsIDOMElement_RemoveAttribute(child_elem, attr_str);
249
250             nsAString_Finish(&tag_str);
251
252             remove_child_attr(child_elem, tag, attr_str);
253
254             nsIDOMElement_Release(child_elem);
255         }
256
257         nsIDOMNode_Release(child_node);
258     }
259
260     nsIDOMNodeList_Release(node_list);
261 }
262
263 static void get_font_size(HTMLDocument *This, WCHAR *ret)
264 {
265     nsISelection *nsselection = get_ns_selection(This);
266     nsIDOMElement *elem = NULL;
267     nsIDOMNode *node = NULL, *tmp_node;
268     nsAString tag_str;
269     LPCWSTR tag;
270     UINT16 node_type;
271     nsresult nsres;
272
273     *ret = 0;
274
275     if(!nsselection)
276         return;
277
278     nsISelection_GetFocusNode(nsselection, &node);
279     nsISelection_Release(nsselection);
280
281     while(node) {
282         nsres = nsIDOMNode_GetNodeType(node, &node_type);
283         if(NS_FAILED(nsres) || node_type == DOCUMENT_NODE)
284             break;
285
286         if(node_type == ELEMENT_NODE) {
287             nsIDOMNode_QueryInterface(node, &IID_nsIDOMElement, (void**)&elem);
288
289             nsAString_Init(&tag_str, NULL);
290             nsIDOMElement_GetTagName(elem, &tag_str);
291             nsAString_GetData(&tag_str, &tag);
292
293             if(!strcmpiW(tag, fontW)) {
294                 nsAString size_str, val_str;
295                 LPCWSTR val;
296
297                 TRACE("found font tag %p\n", elem);
298
299                 nsAString_InitDepend(&size_str, sizeW);
300                 nsAString_Init(&val_str, NULL);
301
302                 nsIDOMElement_GetAttribute(elem, &size_str, &val_str);
303                 nsAString_GetData(&val_str, &val);
304
305                 if(*val) {
306                     TRACE("found size %s\n", debugstr_w(val));
307                     strcpyW(ret, val);
308                 }
309
310                 nsAString_Finish(&size_str);
311                 nsAString_Finish(&val_str);
312             }
313
314             nsAString_Finish(&tag_str);
315
316             nsIDOMElement_Release(elem);
317         }
318
319         if(*ret)
320             break;
321
322         tmp_node = node;
323         nsIDOMNode_GetParentNode(node, &node);
324         nsIDOMNode_Release(tmp_node);
325     }
326
327     if(node)
328         nsIDOMNode_Release(node);
329 }
330
331 static void set_font_size(HTMLDocument *This, LPCWSTR size)
332 {
333     nsISelection *nsselection;
334     cpp_bool collapsed;
335     nsIDOMHTMLElement *elem;
336     nsIDOMRange *range;
337     LONG range_cnt = 0;
338     nsAString size_str;
339     nsAString val_str;
340
341     if(!This->doc_node->nsdoc) {
342         WARN("NULL nsdoc\n");
343         return;
344     }
345
346     nsselection = get_ns_selection(This);
347     if(!nsselection)
348         return;
349
350     nsISelection_GetRangeCount(nsselection, &range_cnt);
351     if(range_cnt != 1) {
352         FIXME("range_cnt %d not supprted\n", range_cnt);
353         if(!range_cnt) {
354             nsISelection_Release(nsselection);
355             return;
356         }
357     }
358
359     create_nselem(This->doc_node, fontW, &elem);
360
361     nsAString_InitDepend(&size_str, sizeW);
362     nsAString_InitDepend(&val_str, size);
363
364     nsIDOMHTMLElement_SetAttribute(elem, &size_str, &val_str);
365     nsAString_Finish(&val_str);
366
367     nsISelection_GetRangeAt(nsselection, 0, &range);
368     nsISelection_GetIsCollapsed(nsselection, &collapsed);
369     nsISelection_RemoveAllRanges(nsselection);
370
371     nsIDOMRange_SurroundContents(range, (nsIDOMNode*)elem);
372
373     if(collapsed) {
374         nsISelection_Collapse(nsselection, (nsIDOMNode*)elem, 0);
375     }else {
376         /* Remove all size attributes from the range */
377         remove_child_attr((nsIDOMElement*)elem, fontW, &size_str);
378         nsISelection_SelectAllChildren(nsselection, (nsIDOMNode*)elem);
379     }
380
381     nsISelection_Release(nsselection);
382     nsIDOMRange_Release(range);
383     nsIDOMHTMLElement_Release(elem);
384
385     nsAString_Finish(&size_str);
386
387     set_dirty(This, VARIANT_TRUE);
388 }
389
390 static void handle_arrow_key(HTMLDocument *This, nsIDOMKeyEvent *event, const char * const cmds[4])
391 {
392     int i=0;
393     cpp_bool b;
394
395     nsIDOMKeyEvent_GetCtrlKey(event, &b);
396     if(b)
397         i |= 1;
398
399     nsIDOMKeyEvent_GetShiftKey(event, &b);
400     if(b)
401         i |= 2;
402
403     if(cmds[i])
404         do_ns_editor_command(This->doc_obj->nscontainer, cmds[i]);
405
406     nsIDOMKeyEvent_PreventDefault(event);
407 }
408
409 void handle_edit_event(HTMLDocument *This, nsIDOMEvent *event)
410 {
411     nsIDOMKeyEvent *key_event;
412     UINT32 code;
413
414     nsIDOMEvent_QueryInterface(event, &IID_nsIDOMKeyEvent, (void**)&key_event);
415
416     nsIDOMKeyEvent_GetKeyCode(key_event, &code);
417
418     switch(code) {
419     case DOM_VK_LEFT: {
420         static const char * const cmds[] = {
421             NSCMD_CHARPREVIOUS,
422             NSCMD_WORDPREVIOUS,
423             NSCMD_SELECTCHARPREVIOUS,
424             NSCMD_SELECTWORDPREVIOUS
425         };
426
427         TRACE("left\n");
428         handle_arrow_key(This, key_event, cmds);
429         break;
430     }
431     case DOM_VK_RIGHT: {
432         static const char * const cmds[] = {
433             NSCMD_CHARNEXT,
434             NSCMD_WORDNEXT,
435             NSCMD_SELECTCHARNEXT,
436             NSCMD_SELECTWORDNEXT
437         };
438
439         TRACE("right\n");
440         handle_arrow_key(This, key_event, cmds);
441         break;
442     }
443     case DOM_VK_UP: {
444         static const char * const cmds[] = {
445             NSCMD_LINEPREVIOUS,
446             NSCMD_MOVEPAGEUP,
447             NSCMD_SELECTLINEPREVIOUS,
448             NSCMD_SELECTPAGEUP
449         };
450
451         TRACE("up\n");
452         handle_arrow_key(This, key_event, cmds);
453         break;
454     }
455     case DOM_VK_DOWN: {
456         static const char * const cmds[] = {
457             NSCMD_LINENEXT,
458             NSCMD_MOVEPAGEDOWN,
459             NSCMD_SELECTLINENEXT,
460             NSCMD_SELECTPAGEDOWN
461         };
462
463         TRACE("down\n");
464         handle_arrow_key(This, key_event, cmds);
465         break;
466     }
467     case DOM_VK_DELETE: {
468         static const char * const cmds[] = {
469             NSCMD_DELETECHARFORWARD,
470             NSCMD_DELETEWORDFORWARD,
471             NULL, NULL
472         };
473
474         TRACE("delete\n");
475         handle_arrow_key(This, key_event, cmds);
476         break;
477     }
478     case DOM_VK_HOME: {
479         static const char * const cmds[] = {
480             NSCMD_BEGINLINE,
481             NSCMD_MOVETOP,
482             NSCMD_SELECTBEGINLINE,
483             NSCMD_SELECTTOP
484         };
485
486         TRACE("home\n");
487         handle_arrow_key(This, key_event, cmds);
488         break;
489     }
490     case DOM_VK_END: {
491         static const char * const cmds[] = {
492             NSCMD_ENDLINE,
493             NSCMD_MOVEBOTTOM,
494             NSCMD_SELECTENDLINE,
495             NSCMD_SELECTBOTTOM
496         };
497
498         TRACE("end\n");
499         handle_arrow_key(This, key_event, cmds);
500         break;
501     }
502     }
503
504     nsIDOMKeyEvent_Release(key_event);
505 }
506
507 void handle_edit_load(HTMLDocument *This)
508 {
509     get_editor_controller(This->doc_obj->nscontainer);
510 }
511
512 static void set_ns_fontname(HTMLDocument *This, const char *fontname)
513 {
514     nsICommandParams *nsparam = create_nscommand_params();
515
516     nsICommandParams_SetCStringValue(nsparam, NSSTATE_ATTRIBUTE, fontname);
517     do_ns_command(This, NSCMD_FONTFACE, nsparam);
518     nsICommandParams_Release(nsparam);
519 }
520
521 static HRESULT exec_delete(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
522 {
523     TRACE("(%p)->(%p %p)\n", This, in, out);
524
525     if(This->doc_obj->nscontainer)
526         do_ns_editor_command(This->doc_obj->nscontainer, NSCMD_DELETECHARFORWARD);
527
528     update_doc(This, UPDATE_UI);
529     return S_OK;
530 }
531
532 static HRESULT exec_fontname(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
533 {
534     TRACE("(%p)->(%p %p)\n", This, in, out);
535
536     if(!This->doc_obj->nscontainer) {
537         update_doc(This, UPDATE_UI);
538         return E_FAIL;
539     }
540
541     if(in) {
542         char *stra;
543
544         if(V_VT(in) != VT_BSTR) {
545             FIXME("Unsupported fontname %s\n", debugstr_variant(out));
546             return E_INVALIDARG;
547         }
548
549         TRACE("%s\n", debugstr_w(V_BSTR(in)));
550
551         stra = heap_strdupWtoA(V_BSTR(in));
552         set_ns_fontname(This, stra);
553         heap_free(stra);
554
555         update_doc(This, UPDATE_UI);
556     }
557
558     if(out) {
559         nsICommandParams *nsparam;
560         LPWSTR strw;
561         char *stra;
562         DWORD len;
563         nsresult nsres;
564
565         V_VT(out) = VT_BSTR;
566         V_BSTR(out) = NULL;
567
568         nsparam = create_nscommand_params();
569
570         nsres = get_ns_command_state(This->doc_obj->nscontainer, NSCMD_FONTFACE, nsparam);
571         if(NS_FAILED(nsres))
572             return S_OK;
573
574         nsICommandParams_GetCStringValue(nsparam, NSSTATE_ATTRIBUTE, &stra);
575         nsICommandParams_Release(nsparam);
576
577         len = MultiByteToWideChar(CP_ACP, 0, stra, -1, NULL, 0);
578         strw = heap_alloc(len*sizeof(WCHAR));
579         MultiByteToWideChar(CP_ACP, 0, stra, -1, strw, len);
580         nsfree(stra);
581
582         V_BSTR(out) = SysAllocString(strw);
583         heap_free(strw);
584     }
585
586     return S_OK;
587 }
588
589 static HRESULT exec_forecolor(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
590 {
591     TRACE("(%p)->(%p %p)\n", This, in, out);
592
593     if(in) {
594         if(V_VT(in) == VT_I4) {
595             nsICommandParams *nsparam = create_nscommand_params();
596             char color_str[10];
597
598             sprintf(color_str, "#%02x%02x%02x",
599                     V_I4(in)&0xff, (V_I4(in)>>8)&0xff, (V_I4(in)>>16)&0xff);
600
601             nsICommandParams_SetCStringValue(nsparam, NSSTATE_ATTRIBUTE, color_str);
602             do_ns_command(This, NSCMD_FONTCOLOR, nsparam);
603
604             nsICommandParams_Release(nsparam);
605         }else {
606             FIXME("unsupported forecolor %s\n", debugstr_variant(in));
607         }
608
609         update_doc(This, UPDATE_UI);
610     }
611
612     if(out) {
613         FIXME("unsupported out\n");
614         return E_NOTIMPL;
615     }
616
617     return S_OK;
618 }
619
620 static HRESULT exec_fontsize(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
621 {
622     TRACE("(%p)->(%p %p)\n", This, in, out);
623
624     if(out) {
625         WCHAR val[10] = {0};
626
627         get_font_size(This, val);
628         V_VT(out) = VT_I4;
629         V_I4(out) = strtolW(val, NULL, 10);
630     }
631
632     if(in) {
633         switch(V_VT(in)) {
634         case VT_I4: {
635             WCHAR size[10];
636             static const WCHAR format[] = {'%','d',0};
637             wsprintfW(size, format, V_I4(in));
638             set_font_size(This, size);
639             break;
640         }
641         case VT_BSTR:
642             set_font_size(This, V_BSTR(in));
643             break;
644         default:
645             FIXME("unsupported fontsize %s\n", debugstr_variant(in));
646         }
647
648         update_doc(This, UPDATE_UI);
649     }
650
651     return S_OK;
652 }
653
654 static HRESULT exec_font(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
655 {
656
657     FIXME("(%p)->(%p %p)\n", This, in, out);
658     return E_NOTIMPL;
659 }
660
661 static HRESULT exec_selectall(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
662 {
663     TRACE("(%p)\n", This);
664
665     if(in || out)
666         FIXME("unsupported args\n");
667
668     if(This->doc_obj->nscontainer)
669         do_ns_command(This, NSCMD_SELECTALL, NULL);
670
671     update_doc(This, UPDATE_UI);
672     return S_OK;
673 }
674
675 static HRESULT exec_bold(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
676 {
677     TRACE("(%p)\n", This);
678
679     if(in || out)
680         FIXME("unsupported args\n");
681
682     if(This->doc_obj->nscontainer)
683         do_ns_command(This, NSCMD_BOLD, NULL);
684
685     update_doc(This, UPDATE_UI);
686     return S_OK;
687 }
688
689 static HRESULT exec_italic(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
690 {
691     TRACE("(%p)\n", This);
692
693     if(in || out)
694         FIXME("unsupported args\n");
695
696     if(This->doc_obj->nscontainer)
697         do_ns_command(This, NSCMD_ITALIC, NULL);
698
699     update_doc(This, UPDATE_UI);
700     return S_OK;
701 }
702
703 static HRESULT query_justify(HTMLDocument *This, OLECMD *cmd)
704 {
705     static const PRUnichar justifycenterW[] = {'j','u','s','t','i','f','y','c','e','n','t','e','r',0};
706     static const PRUnichar justifyrightW[] = {'j','u','s','t','i','f','y','r','i','g','h','t',0};
707
708     switch(cmd->cmdID) {
709     case IDM_JUSTIFYCENTER:
710         TRACE("(%p) IDM_JUSTIFYCENTER\n", This);
711         cmd->cmdf = query_align_status(This, justifycenterW);
712         break;
713     case IDM_JUSTIFYLEFT:
714         TRACE("(%p) IDM_JUSTIFYLEFT\n", This);
715         /* FIXME: We should set OLECMDF_LATCHED only if it's set explicitly. */
716         if(This->doc_obj->usermode != EDITMODE || This->window->readystate < READYSTATE_INTERACTIVE)
717             cmd->cmdf = OLECMDF_SUPPORTED;
718         else
719             cmd->cmdf = OLECMDF_SUPPORTED | OLECMDF_ENABLED;
720         break;
721     case IDM_JUSTIFYRIGHT:
722         TRACE("(%p) IDM_JUSTIFYRIGHT\n", This);
723         cmd->cmdf = query_align_status(This, justifyrightW);
724         break;
725     }
726
727     return S_OK;
728 }
729
730 static HRESULT exec_justifycenter(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
731 {
732     TRACE("(%p)\n", This);
733
734     if(in || out)
735         FIXME("unsupported args\n");
736
737     set_ns_align(This, NSALIGN_CENTER);
738     update_doc(This, UPDATE_UI);
739     return S_OK;
740 }
741
742 static HRESULT exec_justifyleft(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
743 {
744     TRACE("(%p)\n", This);
745
746     if(in || out)
747         FIXME("unsupported args\n");
748
749     set_ns_align(This, NSALIGN_LEFT);
750     update_doc(This, UPDATE_UI);
751     return S_OK;
752 }
753
754 static HRESULT exec_justifyright(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
755 {
756     TRACE("(%p)\n", This);
757
758     if(in || out)
759         FIXME("unsupported args\n");
760
761     set_ns_align(This, NSALIGN_RIGHT);
762     update_doc(This, UPDATE_UI);
763     return S_OK;
764 }
765
766 static HRESULT exec_underline(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
767 {
768     TRACE("(%p)\n", This);
769
770     if(in || out)
771         FIXME("unsupported args\n");
772
773     do_ns_command(This, NSCMD_UNDERLINE, NULL);
774     update_doc(This, UPDATE_UI);
775     return S_OK;
776 }
777
778 static HRESULT exec_horizontalline(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
779 {
780     TRACE("(%p)\n", This);
781
782     if(in || out)
783         FIXME("unsupported args\n");
784
785     do_ns_command(This, NSCMD_INSERTHR, NULL);
786     update_doc(This, UPDATE_UI);
787     return S_OK;
788 }
789
790 static HRESULT exec_orderlist(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
791 {
792     TRACE("(%p)\n", This);
793
794     if(in || out)
795         FIXME("unsupported args\n");
796
797     do_ns_command(This, NSCMD_OL, NULL);
798     update_doc(This, UPDATE_UI);
799     return S_OK;
800 }
801
802 static HRESULT exec_unorderlist(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
803 {
804     TRACE("(%p)\n", This);
805
806     if(in || out)
807         FIXME("unsupported args\n");
808
809     do_ns_command(This, NSCMD_UL, NULL);
810     update_doc(This, UPDATE_UI);
811     return S_OK;
812 }
813
814 static HRESULT exec_indent(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
815 {
816     TRACE("(%p)\n", This);
817
818     if(in || out)
819         FIXME("unsupported args\n");
820
821     do_ns_command(This, NSCMD_INDENT, NULL);
822     update_doc(This, UPDATE_UI);
823     return S_OK;
824 }
825
826 static HRESULT exec_outdent(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
827 {
828     TRACE("(%p)\n", This);
829
830     if(in || out)
831         FIXME("unsupported args\n");
832
833     do_ns_command(This, NSCMD_OUTDENT, NULL);
834     update_doc(This, UPDATE_UI);
835     return S_OK;
836 }
837
838 static HRESULT exec_composesettings(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
839 {
840     WCHAR *ptr;
841
842     if(out || !in || V_VT(in) != VT_BSTR) {
843         WARN("invalid arg %s\n", debugstr_variant(in));
844         return E_INVALIDARG;
845     }
846
847     TRACE("(%p)->(%x %s)\n", This, cmdexecopt, debugstr_w(V_BSTR(in)));
848
849     update_doc(This, UPDATE_UI);
850
851     ptr = V_BSTR(in);
852     if(*ptr == '1')
853         exec_bold(This, cmdexecopt, NULL, NULL);
854     ptr = strchrW(ptr, ',');
855     if(!ptr)
856         return S_OK;
857
858     if(*++ptr == '1')
859         exec_italic(This, cmdexecopt, NULL, NULL);
860     ptr = strchrW(ptr, ',');
861     if(!ptr)
862         return S_OK;
863
864     if(*++ptr == '1')
865         exec_underline(This, cmdexecopt, NULL, NULL);
866     ptr = strchrW(ptr, ',');
867     if(!ptr)
868         return S_OK;
869
870     if(isdigitW(*++ptr)) {
871         VARIANT v;
872
873         V_VT(&v) = VT_I4;
874         V_I4(&v) = *ptr-'0';
875
876         exec_fontsize(This, cmdexecopt, &v, NULL);
877     }
878     ptr = strchrW(ptr, ',');
879     if(!ptr)
880         return S_OK;
881
882     if(*++ptr != ',')
883         FIXME("set font color\n");
884     ptr = strchrW(ptr, ',');
885     if(!ptr)
886         return S_OK;
887
888     if(*++ptr != ',')
889         FIXME("set background color\n");
890     ptr = strchrW(ptr, ',');
891     if(!ptr)
892         return S_OK;
893
894     ptr++;
895     if(*ptr) {
896         VARIANT v;
897
898         V_VT(&v) = VT_BSTR;
899         V_BSTR(&v) = SysAllocString(ptr);
900
901         exec_fontname(This, cmdexecopt, &v, NULL);
902
903         SysFreeString(V_BSTR(&v));
904     }
905
906     return S_OK;
907 }
908
909 HRESULT editor_exec_copy(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
910 {
911     update_doc(This, UPDATE_UI);
912
913     if(!This->doc_obj->nscontainer)
914         return E_FAIL;
915
916     do_ns_editor_command(This->doc_obj->nscontainer, NSCMD_COPY);
917     return S_OK;
918 }
919
920 HRESULT editor_exec_cut(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
921 {
922     update_doc(This, UPDATE_UI);
923
924     if(!This->doc_obj->nscontainer)
925         return E_FAIL;
926
927     do_ns_editor_command(This->doc_obj->nscontainer, NSCMD_CUT);
928     return S_OK;
929 }
930
931 HRESULT editor_exec_paste(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
932 {
933     update_doc(This, UPDATE_UI);
934
935     if(!This->doc_obj->nscontainer)
936         return E_FAIL;
937
938     do_ns_editor_command(This->doc_obj->nscontainer, NSCMD_PASTE);
939     return S_OK;
940 }
941
942 static HRESULT exec_setdirty(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
943 {
944     TRACE("(%p)->(%08x %p %p)\n", This, cmdexecopt, in, out);
945
946     if(!in)
947         return S_OK;
948
949     if(V_VT(in) == VT_BOOL)
950         set_dirty(This, V_BOOL(in));
951     else
952         FIXME("unsupported arg %s\n", debugstr_variant(in));
953
954     return S_OK;
955 }
956
957 static HRESULT query_edit_status(HTMLDocument *This, OLECMD *cmd)
958 {
959     switch(cmd->cmdID) {
960     case IDM_DELETE:
961         TRACE("CGID_MSHTML: IDM_DELETE\n");
962         cmd->cmdf = query_ns_edit_status(This, NULL);
963         break;
964     case IDM_FONTNAME:
965         TRACE("CGID_MSHTML: IDM_FONTNAME\n");
966         cmd->cmdf = query_ns_edit_status(This, NULL);
967         break;
968     case IDM_FONTSIZE:
969         TRACE("CGID_MSHTML: IDM_FONTSIZE\n");
970         cmd->cmdf = query_ns_edit_status(This, NULL);
971         break;
972     case IDM_BOLD:
973         TRACE("CGID_MSHTML: IDM_BOLD\n");
974         cmd->cmdf = query_ns_edit_status(This, NSCMD_BOLD);
975         break;
976     case IDM_FORECOLOR:
977         TRACE("CGID_MSHTML: IDM_FORECOLOR\n");
978         cmd->cmdf = query_ns_edit_status(This, NULL);
979         break;
980     case IDM_ITALIC:
981         TRACE("CGID_MSHTML: IDM_ITALIC\n");
982         cmd->cmdf = query_ns_edit_status(This, NSCMD_ITALIC);
983         break;
984     case IDM_UNDERLINE:
985         TRACE("CGID_MSHTML: IDM_UNDERLINE\n");
986         cmd->cmdf = query_ns_edit_status(This, NSCMD_UNDERLINE);
987         break;
988     case IDM_HORIZONTALLINE:
989         TRACE("CGID_MSHTML: IDM_HORIZONTALLINE\n");
990         cmd->cmdf = query_ns_edit_status(This, NULL);
991         break;
992     case IDM_ORDERLIST:
993         TRACE("CGID_MSHTML: IDM_ORDERLIST\n");
994         cmd->cmdf = query_ns_edit_status(This, NSCMD_OL);
995         break;
996     case IDM_UNORDERLIST:
997         TRACE("CGID_MSHTML: IDM_HORIZONTALLINE\n");
998         cmd->cmdf = query_ns_edit_status(This, NSCMD_UL);
999         break;
1000     case IDM_INDENT:
1001         TRACE("CGID_MSHTML: IDM_INDENT\n");
1002         cmd->cmdf = query_ns_edit_status(This, NULL);
1003         break;
1004     case IDM_OUTDENT:
1005         TRACE("CGID_MSHTML: IDM_OUTDENT\n");
1006         cmd->cmdf = query_ns_edit_status(This, NULL);
1007         break;
1008     case IDM_HYPERLINK:
1009         TRACE("CGID_MSHTML: IDM_HYPERLINK\n");
1010         cmd->cmdf = query_ns_edit_status(This, NULL);
1011         break;
1012     }
1013
1014     return S_OK;
1015 }
1016
1017 static INT_PTR CALLBACK hyperlink_dlgproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
1018 {
1019     static const WCHAR wszOther[] = {'(','o','t','h','e','r',')',0};
1020     static const WCHAR wszFile[] = {'f','i','l','e',':',0};
1021     static const WCHAR wszFtp[] = {'f','t','p',':',0};
1022     static const WCHAR wszHttp[] = {'h','t','t','p',':',0};
1023     static const WCHAR wszHttps[] = {'h','t','t','p','s',':',0};
1024     static const WCHAR wszMailto[] = {'m','a','i','l','t','o',':',0};
1025     static const WCHAR wszNews[] = {'n','e','w','s',':',0};
1026
1027     switch (msg)
1028     {
1029         case WM_INITDIALOG:
1030         {
1031             INT def_idx;
1032             HWND hwndCB = GetDlgItem(hwnd, IDC_TYPE);
1033             HWND hwndURL = GetDlgItem(hwnd, IDC_URL);
1034             INT len;
1035
1036             SetWindowLongPtrW(hwnd, DWLP_USER, lparam);
1037
1038             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszOther);
1039             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszFile);
1040             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszFtp);
1041             def_idx = SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszHttp);
1042             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszHttps);
1043             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszMailto);
1044             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszNews);
1045             SendMessageW(hwndCB, CB_SETCURSEL, def_idx, 0);
1046
1047             /* force the updating of the URL edit box */
1048             SendMessageW(hwnd, WM_COMMAND, MAKEWPARAM(IDC_TYPE, CBN_SELCHANGE), (LPARAM)hwndCB);
1049
1050             SetFocus(hwndURL);
1051             len = SendMessageW(hwndURL, WM_GETTEXTLENGTH, 0, 0);
1052             SendMessageW(hwndURL, EM_SETSEL, 0, len);
1053
1054             return FALSE;
1055         }
1056         case WM_COMMAND:
1057             switch (wparam)
1058             {
1059                 case MAKEWPARAM(IDCANCEL, BN_CLICKED):
1060                     EndDialog(hwnd, wparam);
1061                     return TRUE;
1062                 case MAKEWPARAM(IDOK, BN_CLICKED):
1063                 {
1064                     BSTR *url = (BSTR *)GetWindowLongPtrW(hwnd, DWLP_USER);
1065                     HWND hwndURL = GetDlgItem(hwnd, IDC_URL);
1066                     INT len = GetWindowTextLengthW(hwndURL);
1067                     *url = SysAllocStringLen(NULL, len + 1);
1068                     GetWindowTextW(hwndURL, *url, len + 1);
1069                     EndDialog(hwnd, wparam);
1070                     return TRUE;
1071                 }
1072                 case MAKEWPARAM(IDC_TYPE, CBN_SELCHANGE):
1073                 {
1074                     HWND hwndURL = GetDlgItem(hwnd, IDC_URL);
1075                     INT item;
1076                     INT len;
1077                     LPWSTR type;
1078                     LPWSTR url;
1079                     LPWSTR p;
1080                     static const WCHAR wszSlashSlash[] = {'/','/'};
1081
1082                     /* get string of currently selected hyperlink type */
1083                     item = SendMessageW((HWND)lparam, CB_GETCURSEL, 0, 0);
1084                     len = SendMessageW((HWND)lparam, CB_GETLBTEXTLEN, item, 0);
1085                     type = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1086                     SendMessageW((HWND)lparam, CB_GETLBTEXT, item, (LPARAM)type);
1087
1088                     if (!strcmpW(type, wszOther))
1089                         *type = '\0';
1090
1091                     /* get current URL */
1092                     len = GetWindowTextLengthW(hwndURL);
1093                     url = HeapAlloc(GetProcessHeap(), 0, (len + strlenW(type) + 3) * sizeof(WCHAR));
1094                     GetWindowTextW(hwndURL, url, len + 1);
1095
1096                     /* strip off old protocol */
1097                     p = strchrW(url, ':');
1098                     if (p && p[1] == '/' && p[2] == '/')
1099                         p += 3;
1100                     if (!p) p = url;
1101                     memmove(url + (*type != '\0' ? strlenW(type) + 2 : 0), p, (len + 1 - (p - url)) * sizeof(WCHAR));
1102
1103                     /* add new protocol */
1104                     if (*type != '\0')
1105                     {
1106                         memcpy(url, type, (strlenW(type) + 1) * sizeof(WCHAR));
1107                         if (strcmpW(type, wszMailto) && strcmpW(type, wszNews))
1108                             memcpy(url + strlenW(type), wszSlashSlash, sizeof(wszSlashSlash));
1109                     }
1110
1111                     SetWindowTextW(hwndURL, url);
1112
1113                     HeapFree(GetProcessHeap(), 0, url);
1114                     HeapFree(GetProcessHeap(), 0, type);
1115                     return TRUE;
1116                 }
1117             }
1118             return FALSE;
1119         case WM_CLOSE:
1120             EndDialog(hwnd, IDCANCEL);
1121             return TRUE;
1122         default:
1123             return FALSE;
1124     }
1125 }
1126
1127 static HRESULT exec_hyperlink(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
1128 {
1129     nsAString href_str, ns_url;
1130     nsIHTMLEditor *html_editor;
1131     nsIDOMHTMLElement *anchor_elem;
1132     cpp_bool insert_link_at_caret;
1133     nsISelection *nsselection;
1134     BSTR url = NULL;
1135     INT ret;
1136     HRESULT hres = E_FAIL;
1137
1138     static const WCHAR aW[] = {'a',0};
1139     static const WCHAR hrefW[] = {'h','r','e','f',0};
1140
1141     TRACE("%p, 0x%x, %p, %p\n", This, cmdexecopt, in, out);
1142
1143     if (cmdexecopt == OLECMDEXECOPT_DONTPROMPTUSER)
1144     {
1145         if (!in || V_VT(in) != VT_BSTR)
1146         {
1147             WARN("invalid arg\n");
1148             return E_INVALIDARG;
1149         }
1150         url = V_BSTR(in);
1151     }
1152     else
1153     {
1154         ret = DialogBoxParamW(hInst, MAKEINTRESOURCEW(IDD_HYPERLINK), NULL /* FIXME */, hyperlink_dlgproc, (LPARAM)&url);
1155         if (ret != IDOK)
1156             return OLECMDERR_E_CANCELED;
1157     }
1158
1159     if(!This->doc_node->nsdoc) {
1160         WARN("NULL nsdoc\n");
1161         return E_UNEXPECTED;
1162     }
1163
1164     nsselection = get_ns_selection(This);
1165     if (!nsselection)
1166         return E_FAIL;
1167
1168     /* create an element for the link */
1169     create_nselem(This->doc_node, aW, &anchor_elem);
1170
1171     nsAString_InitDepend(&href_str, hrefW);
1172     nsAString_InitDepend(&ns_url, url);
1173     nsIDOMHTMLElement_SetAttribute(anchor_elem, &href_str, &ns_url);
1174     nsAString_Finish(&href_str);
1175
1176     nsISelection_GetIsCollapsed(nsselection, &insert_link_at_caret);
1177
1178     /* create an element with text of URL */
1179     if (insert_link_at_caret) {
1180         nsIDOMNode *text_node, *unused_node;
1181
1182         nsIDOMHTMLDocument_CreateTextNode(This->doc_node->nsdoc, &ns_url, (nsIDOMText **)&text_node);
1183
1184         /* wrap the <a> tags around the text element */
1185         nsIDOMHTMLElement_AppendChild(anchor_elem, text_node, &unused_node);
1186         nsIDOMNode_Release(text_node);
1187         nsIDOMNode_Release(unused_node);
1188     }
1189
1190     nsAString_Finish(&ns_url);
1191
1192     nsIEditor_QueryInterface(This->doc_obj->nscontainer->editor, &IID_nsIHTMLEditor, (void **)&html_editor);
1193     if (html_editor) {
1194         nsresult nsres;
1195
1196         if (insert_link_at_caret) {
1197             /* add them to the document at the caret position */
1198             nsres = nsIHTMLEditor_InsertElementAtSelection(html_editor, (nsIDOMElement*)anchor_elem, FALSE);
1199             nsISelection_SelectAllChildren(nsselection, (nsIDOMNode*)anchor_elem);
1200         }else /* add them around the selection using the magic provided to us by nsIHTMLEditor */
1201             nsres = nsIHTMLEditor_InsertLinkAroundSelection(html_editor, (nsIDOMElement*)anchor_elem);
1202
1203         nsIHTMLEditor_Release(html_editor);
1204         hres = NS_SUCCEEDED(nsres) ? S_OK : E_FAIL;
1205     }
1206
1207     nsISelection_Release(nsselection);
1208     nsIDOMHTMLElement_Release(anchor_elem);
1209
1210     if (cmdexecopt != OLECMDEXECOPT_DONTPROMPTUSER)
1211         SysFreeString(url);
1212
1213     TRACE("-- 0x%08x\n", hres);
1214     return hres;
1215 }
1216
1217 static HRESULT query_selall_status(HTMLDocument *This, OLECMD *cmd)
1218 {
1219     TRACE("(%p)->(%p)\n", This, cmd);
1220
1221     cmd->cmdf = OLECMDF_SUPPORTED|OLECMDF_ENABLED;
1222     return S_OK;
1223 }
1224
1225 const cmdtable_t editmode_cmds[] = {
1226     {IDM_DELETE,          query_edit_status,    exec_delete},
1227     {IDM_FONTNAME,        query_edit_status,    exec_fontname},
1228     {IDM_FONTSIZE,        query_edit_status,    exec_fontsize},
1229     {IDM_SELECTALL,       query_selall_status , exec_selectall},
1230     {IDM_FORECOLOR,       query_edit_status,    exec_forecolor},
1231     {IDM_BOLD,            query_edit_status,    exec_bold},
1232     {IDM_ITALIC,          query_edit_status,    exec_italic},
1233     {IDM_JUSTIFYCENTER,   query_justify,        exec_justifycenter},
1234     {IDM_JUSTIFYRIGHT,    query_justify,        exec_justifyright},
1235     {IDM_JUSTIFYLEFT,     query_justify,        exec_justifyleft},
1236     {IDM_FONT,            NULL,                 exec_font},
1237     {IDM_UNDERLINE,       query_edit_status,    exec_underline},
1238     {IDM_HORIZONTALLINE,  query_edit_status,    exec_horizontalline},
1239     {IDM_ORDERLIST,       query_edit_status,    exec_orderlist},
1240     {IDM_UNORDERLIST,     query_edit_status,    exec_unorderlist},
1241     {IDM_INDENT,          query_edit_status,    exec_indent},
1242     {IDM_OUTDENT,         query_edit_status,    exec_outdent},
1243     {IDM_COMPOSESETTINGS, NULL,                 exec_composesettings},
1244     {IDM_HYPERLINK,       query_edit_status,    exec_hyperlink},
1245     {IDM_SETDIRTY,        NULL,                 exec_setdirty},
1246     {0,NULL,NULL}
1247 };
1248
1249 void init_editor(HTMLDocument *This)
1250 {
1251     update_doc(This, UPDATE_UI);
1252
1253     set_ns_fontname(This, "Times New Roman");
1254 }
1255
1256 HRESULT editor_is_dirty(HTMLDocument *This)
1257 {
1258     cpp_bool modified;
1259
1260     if(!This->doc_obj->nscontainer || !This->doc_obj->nscontainer->editor)
1261         return S_FALSE;
1262
1263     nsIEditor_GetDocumentModified(This->doc_obj->nscontainer->editor, &modified);
1264
1265     return modified ? S_OK : S_FALSE;
1266 }
1267
1268 HRESULT setup_edit_mode(HTMLDocumentObj *doc)
1269 {
1270     IMoniker *mon;
1271     HRESULT hres;
1272
1273     if(doc->usermode == EDITMODE)
1274         return S_OK;
1275
1276     doc->usermode = EDITMODE;
1277
1278     if(doc->basedoc.window->mon) {
1279         CLSID clsid = IID_NULL;
1280         hres = IMoniker_GetClassID(doc->basedoc.window->mon, &clsid);
1281         if(SUCCEEDED(hres)) {
1282             /* We should use IMoniker::Save here */
1283             FIXME("Use CLSID %s\n", debugstr_guid(&clsid));
1284         }
1285     }
1286
1287     if(doc->frame)
1288         IOleInPlaceFrame_SetStatusText(doc->frame, NULL);
1289
1290     doc->basedoc.window->readystate = READYSTATE_UNINITIALIZED;
1291
1292     if(doc->client) {
1293         IOleCommandTarget *cmdtrg;
1294
1295         hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&cmdtrg);
1296         if(SUCCEEDED(hres)) {
1297             VARIANT var;
1298
1299             V_VT(&var) = VT_I4;
1300             V_I4(&var) = 0;
1301             IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 37, 0, &var, NULL);
1302
1303             IOleCommandTarget_Release(cmdtrg);
1304         }
1305     }
1306
1307     if(doc->hostui) {
1308         DOCHOSTUIINFO hostinfo;
1309
1310         memset(&hostinfo, 0, sizeof(DOCHOSTUIINFO));
1311         hostinfo.cbSize = sizeof(DOCHOSTUIINFO);
1312         hres = IDocHostUIHandler_GetHostInfo(doc->hostui, &hostinfo);
1313         if(SUCCEEDED(hres))
1314             /* FIXME: use hostinfo */
1315             TRACE("hostinfo = {%u %08x %08x %s %s}\n",
1316                     hostinfo.cbSize, hostinfo.dwFlags, hostinfo.dwDoubleClick,
1317                     debugstr_w(hostinfo.pchHostCss), debugstr_w(hostinfo.pchHostNS));
1318     }
1319
1320     update_doc(&doc->basedoc, UPDATE_UI);
1321
1322     if(doc->basedoc.window->mon) {
1323         /* FIXME: We should find nicer way to do this */
1324         remove_target_tasks(doc->basedoc.task_magic);
1325
1326         mon = doc->basedoc.window->mon;
1327         IMoniker_AddRef(mon);
1328     }else {
1329         static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
1330
1331         hres = CreateURLMoniker(NULL, about_blankW, &mon);
1332         if(FAILED(hres)) {
1333             FIXME("CreateURLMoniker failed: %08x\n", hres);
1334             return hres;
1335         }
1336     }
1337
1338     hres = IPersistMoniker_Load(&doc->basedoc.IPersistMoniker_iface, TRUE, mon, NULL, 0);
1339     IMoniker_Release(mon);
1340     if(FAILED(hres))
1341         return hres;
1342
1343     if(doc->ui_active) {
1344         if(doc->ip_window)
1345             call_set_active_object(doc->ip_window, NULL);
1346         if(doc->hostui)
1347             IDocHostUIHandler_HideUI(doc->hostui);
1348     }
1349
1350     if(doc->ui_active) {
1351         RECT rcBorderWidths;
1352
1353         if(doc->hostui)
1354             IDocHostUIHandler_ShowUI(doc->hostui, DOCHOSTUITYPE_AUTHOR,
1355                     &doc->basedoc.IOleInPlaceActiveObject_iface, &doc->basedoc.IOleCommandTarget_iface,
1356                     doc->frame, doc->ip_window);
1357
1358         if(doc->ip_window)
1359             call_set_active_object(doc->ip_window, &doc->basedoc.IOleInPlaceActiveObject_iface);
1360
1361         memset(&rcBorderWidths, 0, sizeof(rcBorderWidths));
1362         if(doc->frame)
1363             IOleInPlaceFrame_SetBorderSpace(doc->frame, &rcBorderWidths);
1364     }
1365
1366     return S_OK;
1367 }