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[claws.git] / src / folder.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <stdio.h>
28 #include <string.h>
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <unistd.h>
32 #include <stdlib.h>
33
34 #include "intl.h"
35 #include "folder.h"
36 #include "folderview.h"
37 #include "session.h"
38 #include "imap.h"
39 #include "news.h"
40 #include "mh.h"
41 #include "mbox_folder.h"
42 #include "utils.h"
43 #include "xml.h"
44 #include "codeconv.h"
45 #include "prefs.h"
46 #include "prefs_common.h"
47 #include "account.h"
48 #include "prefs_account.h"
49 #include "filtering.h"
50 #include "scoring.h"
51 #include "prefs_folder_item.h"
52 #include "procheader.h"
53
54 static GList *folder_list = NULL;
55
56 static void folder_init         (Folder         *folder,
57                                  const gchar    *name);
58
59 static gboolean folder_read_folder_func (GNode          *node,
60                                          gpointer        data);
61 static gchar *folder_get_list_path      (void);
62 static void folder_write_list_recursive (GNode          *node,
63                                          gpointer        data);
64 static void folder_update_op_count_rec  (GNode          *node);
65
66
67 static void folder_get_persist_prefs_recursive
68                                         (GNode *node, GHashTable *pptable);
69 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
70 void folder_item_read_cache             (FolderItem *item);
71 void folder_item_free_cache             (FolderItem *item);
72
73 Folder *folder_new(FolderType type, const gchar *name, const gchar *path)
74 {
75         Folder *folder = NULL;
76
77         name = name ? name : path;
78         switch (type) {
79         case F_MBOX:
80                 folder = mbox_folder_new(name, path);
81                 break;
82         case F_MH:
83                 folder = mh_folder_new(name, path);
84                 break;
85         case F_IMAP:
86                 folder = imap_folder_new(name, path);
87                 break;
88         case F_NEWS:
89                 folder = news_folder_new(name, path);
90                 break;
91         default:
92                 return NULL;
93         }
94
95         return folder;
96 }
97
98 static void folder_init(Folder *folder, const gchar *name)
99 {
100         FolderItem *item;
101
102         g_return_if_fail(folder != NULL);
103
104         folder_set_name(folder, name);
105
106         /* Init folder data */
107         folder->account = NULL;
108         folder->inbox = NULL;
109         folder->outbox = NULL;
110         folder->draft = NULL;
111         folder->queue = NULL;
112         folder->trash = NULL;
113
114         /* Init Folder functions */
115         folder->fetch_msg = NULL;
116         folder->fetch_msginfo = NULL;
117         folder->fetch_msginfos = NULL;
118         folder->get_num_list = NULL;
119         folder->ui_func = NULL;
120         folder->ui_func_data = NULL;
121         folder->check_msgnum_validity = NULL;
122
123         /* Create root folder item */
124         item = folder_item_new(folder, name, NULL);
125         item->folder = folder;
126         folder->node = g_node_new(item);
127         folder->data = NULL;
128 }
129
130 void folder_local_folder_init(Folder *folder, const gchar *name,
131                               const gchar *path)
132 {
133         folder_init(folder, name);
134         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
135 }
136
137 void folder_remote_folder_init(Folder *folder, const gchar *name,
138                                const gchar *path)
139 {
140         folder_init(folder, name);
141         REMOTE_FOLDER(folder)->session = NULL;
142 }
143
144 void folder_destroy(Folder *folder)
145 {
146         g_return_if_fail(folder != NULL);
147         g_return_if_fail(folder->destroy != NULL);
148
149         folder->destroy(folder);
150
151         folder_list = g_list_remove(folder_list, folder);
152
153         folder_tree_destroy(folder);
154         g_free(folder->name);
155         g_free(folder);
156 }
157
158 void folder_local_folder_destroy(LocalFolder *lfolder)
159 {
160         g_return_if_fail(lfolder != NULL);
161
162         g_free(lfolder->rootpath);
163 }
164
165 void folder_remote_folder_destroy(RemoteFolder *rfolder)
166 {
167         g_return_if_fail(rfolder != NULL);
168
169         if (rfolder->session)
170                 session_destroy(rfolder->session);
171 }
172
173 #if 0
174 Folder *mbox_folder_new(const gchar *name, const gchar *path)
175 {
176         /* not yet implemented */
177         return NULL;
178 }
179
180 Folder *maildir_folder_new(const gchar *name, const gchar *path)
181 {
182         /* not yet implemented */
183         return NULL;
184 }
185 #endif
186
187 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
188 {
189         FolderItem *item = NULL;
190
191         switch (folder->type) {
192         case F_IMAP:
193                 item = imap_folder_item_new();
194                 break;
195         case F_MH:
196         case F_NEWS:
197         case F_MBOX:
198                 item = g_new0(FolderItem, 1);
199                 break;
200         default:
201                 return NULL;
202         }
203
204         g_return_val_if_fail(item != NULL, NULL);
205
206         item->stype = F_NORMAL;
207         item->name = g_strdup(name);
208         item->path = g_strdup(path);
209         item->account = NULL;
210         item->mtime = 0;
211         item->new = 0;
212         item->unread = 0;
213         item->total = 0;
214         item->last_num = -1;
215         item->cache = NULL;
216         item->no_sub = FALSE;
217         item->no_select = FALSE;
218         item->collapsed = FALSE;
219         item->threaded  = TRUE;
220         item->ret_rcpt  = FALSE;
221         item->opened    = FALSE;
222         item->parent = NULL;
223         item->folder = NULL;
224         item->mark_queue = NULL;
225         item->data = NULL;
226
227         item->prefs = prefs_folder_item_new();
228
229         return item;
230 }
231
232 void folder_item_append(FolderItem *parent, FolderItem *item)
233 {
234         GNode *node;
235
236         g_return_if_fail(parent != NULL);
237         g_return_if_fail(parent->folder != NULL);
238         g_return_if_fail(item != NULL);
239
240         node = parent->folder->node;
241         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
242         g_return_if_fail(node != NULL);
243
244         item->parent = parent;
245         item->folder = parent->folder;
246         g_node_append_data(node, item);
247 }
248
249 void folder_item_remove(FolderItem *item)
250 {
251         GNode *node;
252
253         g_return_if_fail(item != NULL);
254         g_return_if_fail(item->folder != NULL);
255
256         node = item->folder->node;
257         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
258         g_return_if_fail(node != NULL);
259
260         /* TODO: free all FolderItem's first */
261         if (item->folder->node == node)
262                 item->folder->node = NULL;
263         g_node_destroy(node);
264 }
265
266 void folder_item_destroy(FolderItem *item)
267 {
268         g_return_if_fail(item != NULL);
269
270         debug_print("Destroying folder item %s\n", item->path);
271
272         if (item->folder != NULL) {
273                 switch (item->folder->type) {
274                 case F_IMAP:
275                         imap_folder_item_destroy(item);
276                         break;
277                 default:
278                         break;
279                 }
280         }
281
282         if(item->cache)
283                 folder_item_free_cache(item);
284         g_free(item->name);
285         g_free(item->path);
286         g_free(item);
287 }
288
289 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
290 {
291         g_return_if_fail(folder != NULL);
292
293         folder->ui_func = func;
294         folder->ui_func_data = data;
295 }
296
297 void folder_set_name(Folder *folder, const gchar *name)
298 {
299         g_return_if_fail(folder != NULL);
300
301         g_free(folder->name);
302         folder->name = name ? g_strdup(name) : NULL;
303         if (folder->node && folder->node->data) {
304                 FolderItem *item = (FolderItem *)folder->node->data;
305
306                 g_free(item->name);
307                 item->name = name ? g_strdup(name) : NULL;
308         }
309 }
310
311 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
312         FolderItem *item = (FolderItem *) node->data;
313
314         folder_item_destroy(item);
315         return FALSE;
316 }
317
318 void folder_tree_destroy(Folder *folder)
319 {
320         g_return_if_fail(folder != NULL);
321         g_return_if_fail(folder->node != NULL);
322         
323         prefs_scoring_clear();
324         prefs_filtering_clear();
325
326         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
327         g_node_destroy(folder->node);
328
329         folder->inbox = NULL;
330         folder->outbox = NULL;
331         folder->draft = NULL;
332         folder->queue = NULL;
333         folder->trash = NULL;
334         folder->node = NULL;
335 }
336
337 void folder_add(Folder *folder)
338 {
339         Folder *cur_folder;
340         GList *cur;
341         gint i;
342
343         g_return_if_fail(folder != NULL);
344
345         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
346                 cur_folder = FOLDER(cur->data);
347                 if (folder->type == F_MH) {
348                         if (cur_folder->type != F_MH) break;
349                 } else if (folder->type == F_MBOX) {
350                         if (cur_folder->type != F_MH &&
351                             cur_folder->type != F_MBOX) break;
352                 } else if (folder->type == F_IMAP) {
353                         if (cur_folder->type != F_MH &&
354                             cur_folder->type != F_MBOX &&
355                             cur_folder->type != F_IMAP) break;
356                 } else if (folder->type == F_NEWS) {
357                         if (cur_folder->type != F_MH &&
358                             cur_folder->type != F_MBOX &&
359                             cur_folder->type != F_IMAP &&
360                             cur_folder->type != F_NEWS) break;
361                 }
362         }
363
364         folder_list = g_list_insert(folder_list, folder, i);
365 }
366
367 GList *folder_get_list(void)
368 {
369         return folder_list;
370 }
371
372 gint folder_read_list(void)
373 {
374         GNode *node;
375         XMLNode *xmlnode;
376         gchar *path;
377
378         path = folder_get_list_path();
379         if (!is_file_exist(path)) return -1;
380         node = xml_parse_file(path);
381         if (!node) return -1;
382
383         xmlnode = node->data;
384         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
385                 g_warning("wrong folder list\n");
386                 xml_free_tree(node);
387                 return -1;
388         }
389
390         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
391                         folder_read_folder_func, NULL);
392
393         xml_free_tree(node);
394         if (folder_list)
395                 return 0;
396         else
397                 return -1;
398 }
399
400 void folder_write_list(void)
401 {
402         GList *list;
403         Folder *folder;
404         gchar *path;
405         PrefFile *pfile;
406
407         path = folder_get_list_path();
408         if ((pfile = prefs_write_open(path)) == NULL) return;
409
410         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
411                 conv_get_current_charset_str());
412         fputs("\n<folderlist>\n", pfile->fp);
413
414         for (list = folder_list; list != NULL; list = list->next) {
415                 folder = list->data;
416                 folder_write_list_recursive(folder->node, pfile->fp);
417         }
418
419         fputs("</folderlist>\n", pfile->fp);
420
421         if (prefs_write_close(pfile) < 0)
422                 g_warning("failed to write folder list.\n");
423 }
424
425 gboolean folder_scan_tree_func(GNode *node, gpointer data)
426 {
427         GHashTable *pptable = (GHashTable *)data;
428         FolderItem *item = (FolderItem *)node->data;
429         
430         folder_item_restore_persist_prefs(item, pptable);
431 }
432
433 void folder_scan_tree(Folder *folder)
434 {
435         GHashTable *pptable;
436         
437         if(!folder->scan_tree)
438                 return;
439         
440         pptable = folder_persist_prefs_new(folder);
441         folder_tree_destroy(folder);
442
443         folder->scan_tree(folder);
444
445         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
446         folder_persist_prefs_free(pptable);
447
448         prefs_matcher_read_config();
449 }
450
451 struct TotalMsgCount
452 {
453         guint new;
454         guint unread;
455         guint total;
456 };
457
458 struct FuncToAllFoldersData
459 {
460         FolderItemFunc  function;
461         gpointer        data;
462 };
463
464 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
465 {
466         FolderItem *item;
467         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
468
469         g_return_val_if_fail(node->data != NULL, FALSE);
470
471         item = FOLDER_ITEM(node->data);
472         g_return_val_if_fail(item != NULL, FALSE);
473
474         function_data->function(item, function_data->data);
475
476         return FALSE;
477 }
478
479 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
480 {
481         GList *list;
482         Folder *folder;
483         struct FuncToAllFoldersData function_data;
484         
485         function_data.function = function;
486         function_data.data = data;
487
488         for (list = folder_list; list != NULL; list = list->next) {
489                 folder = FOLDER(list->data);
490                 if (folder->node)
491                         g_node_traverse(folder->node, G_PRE_ORDER,
492                                         G_TRAVERSE_ALL, -1,
493                                         folder_func_to_all_folders_func,
494                                         &function_data);
495         }
496 }
497
498 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
499 {
500         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
501
502         count->new += item->new;
503         count->unread += item->unread;
504         count->total += item->total;
505 }
506
507 void folder_count_total_msgs(guint *new, guint *unread, guint *total)
508 {
509         struct TotalMsgCount count;
510
511         count.new = count.unread = count.total = 0;
512
513         debug_print("Counting total number of messages...\n");
514
515         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
516
517         *new = count.new;
518         *unread = count.unread;
519         *total = count.total;
520 }
521
522 Folder *folder_find_from_path(const gchar *path)
523 {
524         GList *list;
525         Folder *folder;
526
527         for (list = folder_list; list != NULL; list = list->next) {
528                 folder = list->data;
529                 if ((folder->type == F_MH || folder->type == F_MBOX) &&
530                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
531                         return folder;
532         }
533
534         return NULL;
535 }
536
537 Folder *folder_find_from_name(const gchar *name, FolderType type)
538 {
539         GList *list;
540         Folder *folder;
541
542         for (list = folder_list; list != NULL; list = list->next) {
543                 folder = list->data;
544                 if (folder->type == type && strcmp2(name, folder->name) == 0)
545                         return folder;
546         }
547
548         return NULL;
549 }
550
551 static gboolean folder_item_find_func(GNode *node, gpointer data)
552 {
553         FolderItem *item = node->data;
554         gpointer *d = data;
555         const gchar *path = d[0];
556
557         if (path_cmp(path, item->path) != 0)
558                 return FALSE;
559
560         d[1] = item;
561
562         return TRUE;
563 }
564
565 FolderItem *folder_find_item_from_path(const gchar *path)
566 {
567         Folder *folder;
568         gpointer d[2];
569
570         folder = folder_get_default_folder();
571         g_return_val_if_fail(folder != NULL, NULL);
572
573         d[0] = (gpointer)path;
574         d[1] = NULL;
575         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
576                         folder_item_find_func, d);
577         return d[1];
578 }
579
580 static const struct {
581         gchar *str;
582         FolderType type;
583 } type_str_table[] = {
584         {"#mh"     , F_MH},
585         {"#mbox"   , F_MBOX},
586         {"#maildir", F_MAILDIR},
587         {"#imap"   , F_IMAP},
588         {"#news"   , F_NEWS}
589 };
590
591 static gchar *folder_get_type_string(FolderType type)
592 {
593         gint i;
594
595         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
596              i++) {
597                 if (type_str_table[i].type == type)
598                         return type_str_table[i].str;
599         }
600
601         return NULL;
602 }
603
604 static FolderType folder_get_type_from_string(const gchar *str)
605 {
606         gint i;
607
608         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
609              i++) {
610                 if (g_strcasecmp(type_str_table[i].str, str) == 0)
611                         return type_str_table[i].type;
612         }
613
614         return F_UNKNOWN;
615 }
616
617 gchar *folder_get_identifier(Folder *folder)
618 {
619         gchar *type_str;
620
621         g_return_val_if_fail(folder != NULL, NULL);
622
623         type_str = folder_get_type_string(folder->type);
624         return g_strconcat(type_str, "/", folder->name, NULL);
625 }
626
627 gchar *folder_item_get_identifier(FolderItem *item)
628 {
629         gchar *id;
630         gchar *folder_id;
631
632         g_return_val_if_fail(item != NULL, NULL);
633         g_return_val_if_fail(item->path != NULL, NULL);
634
635         folder_id = folder_get_identifier(item->folder);
636         id = g_strconcat(folder_id, "/", item->path, NULL);
637         g_free(folder_id);
638
639         return id;
640 }
641
642 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
643 {
644         Folder *folder;
645         gpointer d[2];
646         gchar *str;
647         gchar *p;
648         gchar *name;
649         gchar *path;
650         FolderType type;
651
652         g_return_val_if_fail(identifier != NULL, NULL);
653
654         if (*identifier != '#')
655                 return folder_find_item_from_path(identifier);
656
657         Xstrdup_a(str, identifier, return NULL);
658
659         p = strchr(str, '/');
660         if (!p)
661                 return folder_find_item_from_path(identifier);
662         *p = '\0';
663         p++;
664         type = folder_get_type_from_string(str);
665         if (type == F_UNKNOWN)
666                 return folder_find_item_from_path(identifier);
667
668         name = p;
669         p = strchr(p, '/');
670         if (!p)
671                 return folder_find_item_from_path(identifier);
672         *p = '\0';
673         p++;
674
675         folder = folder_find_from_name(name, type);
676         if (!folder)
677                 return folder_find_item_from_path(identifier);
678
679         path = p;
680
681         d[0] = (gpointer)path;
682         d[1] = NULL;
683         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
684                         folder_item_find_func, d);
685         return d[1];
686 }
687
688 Folder *folder_get_default_folder(void)
689 {
690         return folder_list ? FOLDER(folder_list->data) : NULL;
691 }
692
693 FolderItem *folder_get_default_inbox(void)
694 {
695         Folder *folder;
696
697         if (!folder_list) return NULL;
698         folder = FOLDER(folder_list->data);
699         g_return_val_if_fail(folder != NULL, NULL);
700         return folder->inbox;
701 }
702
703 FolderItem *folder_get_default_outbox(void)
704 {
705         Folder *folder;
706
707         if (!folder_list) return NULL;
708         folder = FOLDER(folder_list->data);
709         g_return_val_if_fail(folder != NULL, NULL);
710         return folder->outbox;
711 }
712
713 FolderItem *folder_get_default_draft(void)
714 {
715         Folder *folder;
716
717         if (!folder_list) return NULL;
718         folder = FOLDER(folder_list->data);
719         g_return_val_if_fail(folder != NULL, NULL);
720         return folder->draft;
721 }
722
723 FolderItem *folder_get_default_queue(void)
724 {
725         Folder *folder;
726
727         if (!folder_list) return NULL;
728         folder = FOLDER(folder_list->data);
729         g_return_val_if_fail(folder != NULL, NULL);
730         return folder->queue;
731 }
732
733 FolderItem *folder_get_default_trash(void)
734 {
735         Folder *folder;
736
737         if (!folder_list) return NULL;
738         folder = FOLDER(folder_list->data);
739         g_return_val_if_fail(folder != NULL, NULL);
740         return folder->trash;
741 }
742
743 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
744 {                                                               \
745         if (!folder->member) {                                  \
746                 item = folder_item_new(folder, dir, dir);       \
747                 item->stype = type;                             \
748                 folder_item_append(rootitem, item);             \
749                 folder->member = item;                          \
750         }                                                       \
751 }
752
753 void folder_set_missing_folders(void)
754 {
755         Folder *folder;
756         FolderItem *rootitem;
757         FolderItem *item;
758         GList *list;
759
760         for (list = folder_list; list != NULL; list = list->next) {
761                 folder = list->data;
762                 if (folder->type != F_MH) continue;
763                 rootitem = FOLDER_ITEM(folder->node->data);
764                 g_return_if_fail(rootitem != NULL);
765
766                 if (folder->inbox && folder->outbox && folder->draft &&
767                     folder->queue && folder->trash)
768                         continue;
769
770                 if (folder->create_tree(folder) < 0) {
771                         g_warning("%s: can't create the folder tree.\n",
772                                   LOCAL_FOLDER(folder)->rootpath);
773                         continue;
774                 }
775
776                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
777                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
778                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
779                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
780                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
781         }
782 }
783
784 #undef CREATE_FOLDER_IF_NOT_EXIST
785
786 gchar *folder_get_path(Folder *folder)
787 {
788         gchar *path;
789
790         g_return_val_if_fail(folder != NULL, NULL);
791
792         if (FOLDER_TYPE(folder) == F_MH)
793                 path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
794         else if (FOLDER_TYPE(folder) == F_MBOX) {
795                 path = mbox_get_virtual_path(folder);
796                 if (path == NULL)
797                         return NULL;
798                 path = g_strconcat(get_mbox_cache_dir(),
799                                           G_DIR_SEPARATOR_S, path, NULL);
800                 return path;
801         }
802         else if (FOLDER_TYPE(folder) == F_IMAP) {
803                 g_return_val_if_fail(folder->account != NULL, NULL);
804                 path = g_strconcat(get_imap_cache_dir(),
805                                    G_DIR_SEPARATOR_S,
806                                    folder->account->recv_server,
807                                    G_DIR_SEPARATOR_S,
808                                    folder->account->userid,
809                                    NULL);
810         } else if (FOLDER_TYPE(folder) == F_NEWS) {
811                 g_return_val_if_fail(folder->account != NULL, NULL);
812                 path = g_strconcat(get_news_cache_dir(),
813                                    G_DIR_SEPARATOR_S,
814                                    folder->account->nntp_server,
815                                    NULL);
816         } else
817                 path = NULL;
818
819         return path;
820 }
821
822 gchar *folder_item_get_path(FolderItem *item)
823 {
824         gchar *folder_path;
825         gchar *path;
826
827         g_return_val_if_fail(item != NULL, NULL);
828
829         folder_path = folder_get_path(item->folder);
830         g_return_val_if_fail(folder_path != NULL, NULL);
831
832         if (folder_path[0] == G_DIR_SEPARATOR) {
833                 if (item->path)
834                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
835                                            item->path, NULL);
836                 else
837                         path = g_strdup(folder_path);
838         } else {
839                 if (item->path)
840                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
841                                            folder_path, G_DIR_SEPARATOR_S,
842                                            item->path, NULL);
843                 else
844                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
845                                            folder_path, NULL);
846         }
847
848         g_free(folder_path);
849         return path;
850 }
851
852 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
853 {
854         if (!(dest->stype == F_OUTBOX ||
855               dest->stype == F_QUEUE  ||
856               dest->stype == F_DRAFT  ||
857               dest->stype == F_TRASH)) {
858                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
859         } else {
860                 flags->perm_flags = 0;
861         }
862         flags->tmp_flags = MSG_CACHED;
863         if (dest->folder->type == F_MH) {
864                 if (dest->stype == F_QUEUE) {
865                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
866                 } else if (dest->stype == F_DRAFT) {
867                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
868                 }
869         } else if (dest->folder->type == F_IMAP) {
870                 MSG_SET_TMP_FLAGS(*flags, MSG_IMAP);
871         } else if (dest->folder->type == F_NEWS) {
872                 MSG_SET_TMP_FLAGS(*flags, MSG_NEWS);
873         }
874 }
875
876 typedef enum {
877     IN_CACHE  = 1 << 0,
878     IN_FOLDER = 1 << 1,
879 } FolderScanInfo;
880
881 gint folder_item_scan(FolderItem *item)
882 {
883         Folder *folder;
884         GSList *folder_list, *cache_list, *elem, *new_list = NULL;
885         gint i;
886         guint min = 0xffffffff, max = 0, cache_max = 0;
887         FolderScanInfo *folderscaninfo;
888         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
889         
890         g_return_val_if_fail(item != NULL, -1);
891         if(item->path == NULL) return -1;
892
893         folder = item->folder;
894
895         g_return_val_if_fail(folder != NULL, -1);
896         g_return_val_if_fail(folder->get_num_list != NULL, -1);
897
898         debug_print("Scanning folder %s for cache changes.\n", item->path);
899
900         /* Get list of messages for folder and cache */
901         if(!folder->check_msgnum_validity || 
902            folder->check_msgnum_validity(folder, item)) {
903                 if(!item->cache)
904                         folder_item_read_cache(item);
905                 cache_list = msgcache_get_msg_list(item->cache);
906         } else {
907                 if(item->cache)
908                         msgcache_destroy(item->cache);
909                 item->cache = msgcache_new();
910                 cache_list = NULL;
911         }
912         folder_list = folder->get_num_list(item->folder, item);
913
914         /* Get min und max number in folder */
915         for(elem = cache_list; elem != NULL; elem = elem->next) {
916                 MsgInfo *msginfo = (MsgInfo *)elem->data;
917
918                 min = MIN(msginfo->msgnum, min);
919                 max = MAX(msginfo->msgnum, max);
920         }
921         cache_max = max;
922         for(elem = folder_list; elem != NULL; elem = elem->next) {
923                 guint num = GPOINTER_TO_INT(elem->data);
924
925                 min = MIN(num, min);
926                 max = MAX(num, max);
927         }
928
929         debug_print("Folder message number range from %d to %d\n", min, max);
930
931         if(max == 0) {
932                 for(elem = cache_list; elem != NULL; elem = elem->next) {
933                         MsgInfo *msginfo = (MsgInfo *)elem->data;
934
935                         procmsg_msginfo_free(msginfo);
936                 }
937                 g_slist_free(folder_list);
938                 g_slist_free(cache_list);
939
940                 return 0;
941         }
942
943         folderscaninfo = g_new0(FolderScanInfo, max - min + 1);
944
945         for(elem = folder_list; elem != NULL; elem = elem->next) {
946                 guint num = GPOINTER_TO_INT(elem->data);
947
948                 folderscaninfo[num - min] |= IN_FOLDER;
949         }
950         for(elem = cache_list; elem != NULL; elem = elem->next) {
951                 MsgInfo *msginfo = (MsgInfo *)elem->data;
952
953                 folderscaninfo[msginfo->msgnum - min] |= IN_CACHE;
954                 procmsg_msginfo_free(msginfo);
955         }
956
957         for(i = max - min; i >= 0; i--) {
958                 guint num;
959
960                 num = i + min;
961                 /* Add message to cache if in folder and not in cache */
962                 if( (folderscaninfo[i] & IN_FOLDER) && 
963                    !(folderscaninfo[i] & IN_CACHE)) {
964                         gboolean add = FALSE;
965
966                         switch(folder->type) {
967                                 case F_NEWS:
968                                         if((num > cache_max) && 
969                                            ((prefs_common.max_articles == 0) ||
970                                             (max < prefs_common.max_articles) ||
971                                             (num > (max - prefs_common.max_articles)))) {
972                                                 add = TRUE;
973                                         }
974                                         break;
975                                 default:
976                                         add = TRUE;
977                                         break;
978                         }
979                         
980                         if(add) {
981                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(num));
982                                 debug_print("Remembered message %d for fetching\n", num);
983                         }
984                 }
985                 /* Remove message from cache if not in folder and in cache */
986                 if(!(folderscaninfo[i] & IN_FOLDER) && 
987                     (folderscaninfo[i] & IN_CACHE)) {
988                         msgcache_remove_msg(item->cache, i + min);
989                         debug_print("Removed message %d from cache.\n", num);
990                 }
991                 /* Check if msginfo needs update if in cache and in folder */
992                 if((folderscaninfo[i] & IN_FOLDER) && 
993                    (folderscaninfo[i] & IN_CACHE)) {
994                         MsgInfo *msginfo;
995
996                         msginfo = msgcache_get_msg(item->cache, num);
997                         if(folder->is_msg_changed && folder->is_msg_changed(folder, item, msginfo)) {
998                                 MsgInfo *newmsginfo;
999
1000                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1001
1002                                 newmsginfo = folder->fetch_msginfo(folder, item, num);
1003                                 msgcache_add_msg(item->cache, newmsginfo);
1004                                 if(MSG_IS_NEW(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1005                                         newcnt++;
1006                                 if(MSG_IS_UNREAD(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1007                                         unreadcnt++;
1008                                 procmsg_msginfo_free(newmsginfo);
1009
1010                                 debug_print("Updated msginfo for message %d.\n", num);
1011                         } else {
1012                                 if(MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1013                                         newcnt++;
1014                                 if(MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1015                                         unreadcnt++;
1016                         }
1017                         totalcnt++;
1018                         procmsg_msginfo_free(msginfo);
1019                 }
1020         }
1021
1022         if(folder->fetch_msginfos) {
1023                 GSList *newmsg_list;
1024                 MsgInfo *msginfo;
1025                 
1026                 if(new_list) {
1027                         newmsg_list = folder->fetch_msginfos(folder, item, new_list);
1028                         for(elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1029                                 msginfo = (MsgInfo *) elem->data;
1030                                 msgcache_add_msg(item->cache, msginfo);
1031                                 if(MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1032                                         newcnt++;
1033                                 if(MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1034                                         unreadcnt++;
1035                                 totalcnt++;
1036                                 procmsg_msginfo_free(msginfo);
1037                         }
1038                         g_slist_free(newmsg_list);
1039                         folderview_update_item(item, FALSE);
1040                 }
1041         } else if (folder->fetch_msginfo) {
1042                 for(elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1043                         MsgInfo *msginfo;
1044                         guint num;
1045
1046                         num = GPOINTER_TO_INT(elem->data);
1047                         msginfo = folder->fetch_msginfo(folder, item, num);
1048                         if(msginfo != NULL) {
1049                                 msgcache_add_msg(item->cache, msginfo);
1050                                 if(MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1051                                     newcnt++;
1052                                 if(MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1053                                     unreadcnt++;
1054                                 totalcnt++;
1055                                 procmsg_msginfo_free(msginfo);
1056                                 debug_print("Added newly found message %d to cache.\n", num);
1057                         }
1058                 }
1059                 folderview_update_item(item, FALSE);
1060         }
1061
1062         item->new = newcnt;
1063         item->unread = unreadcnt;
1064         item->total = totalcnt;
1065         
1066         g_slist_free(folder_list);
1067         g_slist_free(cache_list);
1068         g_slist_free(new_list);
1069         g_free(folderscaninfo);
1070
1071         folderview_update_item(item, FALSE);
1072
1073         return 0;
1074 }
1075
1076 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1077                                           gpointer data)
1078 {
1079         folder_item_scan(FOLDER_ITEM(key));
1080 }
1081
1082 void folder_item_scan_foreach(GHashTable *table)
1083 {
1084         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1085 }
1086
1087 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1088 {
1089         gint *memusage = (gint *)data;
1090
1091         if(item->cache == NULL)
1092                 return;
1093         
1094         *memusage += msgcache_get_memory_usage(item->cache);
1095 }
1096
1097 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1098 {
1099         FolderItem *fa = (FolderItem *)a;
1100         FolderItem *fb = (FolderItem *)b;
1101         
1102         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1103 }
1104
1105 void folder_find_expired_caches(FolderItem *item, gpointer data)
1106 {
1107         GSList **folder_item_list = (GSList **)data;
1108         gint difftime, expiretime;
1109         
1110         if(item->cache == NULL)
1111                 return;
1112
1113         if(item->opened > 0)
1114                 return;
1115
1116         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1117         expiretime = prefs_common.cache_min_keep_time * 60;
1118         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1119         if(difftime > expiretime) {
1120                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1121         }
1122 }
1123
1124 void folder_item_free_cache(FolderItem *item)
1125 {
1126         g_return_if_fail(item != NULL);
1127         
1128         if(item->cache == NULL)
1129                 return;
1130         
1131         if(item->opened > 0)
1132                 return;
1133
1134         folder_item_write_cache(item);
1135         msgcache_destroy(item->cache);
1136         item->cache = NULL;
1137 }
1138
1139 void folder_clean_cache_memory()
1140 {
1141         gint memusage = 0;
1142
1143         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);       
1144         debug_print("Total cache memory usage: %d\n", memusage);
1145         
1146         if(memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1147                 GSList *folder_item_list = NULL, *listitem;
1148                 
1149                 debug_print("Trying to free cache memory\n");
1150
1151                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);      
1152                 listitem = folder_item_list;
1153                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1154                         FolderItem *item = (FolderItem *)(listitem->data);
1155
1156                         debug_print("Freeing cache memory for %s\n", item->path);
1157                         memusage -= msgcache_get_memory_usage(item->cache);
1158                         folder_item_free_cache(item);
1159                         listitem = listitem->next;
1160                 }
1161                 g_slist_free(folder_item_list);
1162         }
1163 }
1164
1165 void folder_item_read_cache(FolderItem *item)
1166 {
1167         gchar *cache_file, *mark_file;
1168         
1169         g_return_if_fail(item != NULL);
1170
1171         cache_file = folder_item_get_cache_file(item);
1172         mark_file = folder_item_get_mark_file(item);
1173         item->cache = msgcache_read_cache(item, cache_file);
1174         if(!item->cache) {
1175                 item->cache = msgcache_new();
1176                 folder_item_scan(item);
1177         }
1178         msgcache_read_mark(item->cache, mark_file);
1179         g_free(cache_file);
1180         g_free(mark_file);
1181
1182         folder_clean_cache_memory();
1183 }
1184
1185 void folder_item_write_cache(FolderItem *item)
1186 {
1187         gchar *cache_file, *mark_file;
1188         PrefsFolderItem *prefs;
1189         gint filemode = 0;
1190         gchar *id;
1191         
1192         if (!item || !item->path || !item->cache)
1193                 return;
1194
1195         id = folder_item_get_identifier(item);
1196         debug_print("Save cache for folder %s\n", id);
1197         g_free(id);
1198
1199         cache_file = folder_item_get_cache_file(item);
1200         mark_file = folder_item_get_mark_file(item);
1201         if(msgcache_write(cache_file, mark_file, item->cache) < 0) {
1202                 prefs = item->prefs;
1203                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1204                         /* for cache file */
1205                         filemode = prefs->folder_chmod;
1206                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1207                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1208                         chmod(cache_file, filemode);
1209                 }
1210         }
1211
1212         g_free(cache_file);
1213         g_free(mark_file);
1214 }
1215
1216 MsgInfo *folder_item_fetch_msginfo(FolderItem *item, gint num)
1217 {
1218         Folder *folder;
1219         MsgInfo *msginfo;
1220         
1221         g_return_val_if_fail(item != NULL, NULL);
1222         
1223         folder = item->folder;
1224         if(!item->cache)
1225                 folder_item_read_cache(item);
1226         
1227         if((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1228                 return msginfo;
1229         
1230         g_return_val_if_fail(folder->fetch_msginfo, NULL);
1231         if((msginfo = folder->fetch_msginfo(folder, item, num)) != NULL) {
1232                 msgcache_add_msg(item->cache, msginfo);
1233                 return msginfo;
1234         }
1235         
1236         return NULL;
1237 }
1238
1239 MsgInfo *folder_item_fetch_msginfo_by_id(FolderItem *item, const gchar *msgid)
1240 {
1241         Folder *folder;
1242         MsgInfo *msginfo;
1243         
1244         g_return_val_if_fail(item != NULL, NULL);
1245         
1246         folder = item->folder;
1247         if(!item->cache)
1248                 folder_item_read_cache(item);
1249         
1250         if((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1251                 return msginfo;
1252
1253         return NULL;
1254 }
1255
1256 GSList *folder_item_get_msg_list(FolderItem *item)
1257 {
1258         g_return_val_if_fail(item != NULL, NULL);
1259         
1260         if(item->cache == 0)
1261                 folder_item_read_cache(item);
1262
1263         g_return_val_if_fail(item->cache != NULL, NULL);
1264         
1265         return msgcache_get_msg_list(item->cache);
1266 }
1267
1268 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1269 {
1270         Folder *folder;
1271
1272         g_return_val_if_fail(item != NULL, NULL);
1273
1274         folder = item->folder;
1275
1276         g_return_val_if_fail(folder->fetch_msg != NULL, NULL);
1277
1278         return folder->fetch_msg(folder, item, num);
1279 }
1280
1281 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1282                          gboolean remove_source)
1283 {
1284         Folder *folder;
1285         gint num;
1286         MsgInfo *msginfo;
1287
1288         g_return_val_if_fail(dest != NULL, -1);
1289         g_return_val_if_fail(file != NULL, -1);
1290
1291         folder = dest->folder;
1292
1293         g_return_val_if_fail(folder->add_msg != NULL, -1);
1294
1295         if (!dest->cache)
1296                 folder_item_read_cache(dest);
1297
1298         num = folder->add_msg(folder, dest, file, remove_source);
1299
1300         if (num > 0) {
1301                 msginfo = folder->fetch_msginfo(folder, dest, num);
1302
1303                 if(msginfo != NULL) {
1304                         if(MSG_IS_NEW(msginfo->flags))
1305                                 dest->new++;
1306                         if(MSG_IS_UNREAD(msginfo->flags))
1307                                 dest->unread++;
1308                         dest->total++;
1309
1310                         msgcache_add_msg(dest->cache, msginfo);
1311
1312                         procmsg_msginfo_free(msginfo);
1313                 }
1314
1315                 dest->last_num = num;
1316         }
1317
1318         return num;
1319 }
1320
1321 /*
1322 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1323 {
1324         Folder *folder;
1325         gint num;
1326
1327         g_return_val_if_fail(dest != NULL, -1);
1328         g_return_val_if_fail(msginfo != NULL, -1);
1329
1330         folder = dest->folder;
1331         if (dest->last_num < 0) folder->scan(folder, dest);
1332
1333         num = folder->move_msg(folder, dest, msginfo);
1334         if (num > 0) dest->last_num = num;
1335
1336         return num;
1337 }
1338 */
1339
1340 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1341 {
1342         Folder *folder;
1343         gint num;
1344         Folder * src_folder;
1345
1346         g_return_val_if_fail(dest != NULL, -1);
1347         g_return_val_if_fail(msginfo != NULL, -1);
1348
1349         folder = dest->folder;
1350
1351         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1352         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1353
1354         if (!dest->cache) folder_item_read_cache(dest);
1355
1356         src_folder = msginfo->folder->folder;
1357
1358         num = folder->copy_msg(folder, dest, msginfo);
1359         
1360         if (num != -1) {
1361                 MsgInfo *newmsginfo;
1362
1363                 newmsginfo = folder->fetch_msginfo(folder, dest, num);
1364                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1365                 if (dest->stype == F_OUTBOX ||
1366                     dest->stype == F_QUEUE  ||
1367                     dest->stype == F_DRAFT  ||
1368                     dest->stype == F_TRASH)
1369                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1370                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1371                 msgcache_add_msg(dest->cache, newmsginfo);
1372
1373                 /* CLAWS */
1374                 if(src_folder->remove_msg) {
1375                         src_folder->remove_msg(src_folder,
1376                                                msginfo->folder,
1377                                                msginfo->msgnum);
1378                 }
1379                 msgcache_remove_msg(msginfo->folder->cache, msginfo->msgnum);
1380
1381                 if (MSG_IS_NEW(msginfo->flags))
1382                         msginfo->folder->new--;
1383                 if (MSG_IS_NEW(newmsginfo->flags))
1384                         dest->new++;
1385                 if (MSG_IS_UNREAD(msginfo->flags))
1386                         msginfo->folder->unread--;
1387                 if (MSG_IS_UNREAD(newmsginfo->flags))
1388                         dest->unread++;
1389                 msginfo->folder->total--;
1390                 dest->total++;
1391
1392                 procmsg_msginfo_free(newmsginfo);
1393         }
1394         
1395         if (folder->finished_copy)
1396                 folder->finished_copy(folder, dest);
1397
1398         return num;
1399 }
1400
1401 /*
1402 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1403 {
1404         Folder *folder;
1405         gint num;
1406
1407         g_return_val_if_fail(dest != NULL, -1);
1408         g_return_val_if_fail(msglist != NULL, -1);
1409
1410         folder = dest->folder;
1411         if (dest->last_num < 0) folder->scan(folder, dest);
1412
1413         num = folder->move_msgs_with_dest(folder, dest, msglist);
1414         if (num > 0) dest->last_num = num;
1415         else dest->op_count = 0;
1416
1417         return num;
1418 }
1419 */
1420
1421 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1422 {
1423         Folder *folder;
1424         FolderItem *item;
1425         GSList *newmsgnums = NULL;
1426         GSList *l, *l2;
1427         gint num;
1428
1429         g_return_val_if_fail(dest != NULL, -1);
1430         g_return_val_if_fail(msglist != NULL, -1);
1431
1432         folder = dest->folder;
1433
1434         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1435         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1436
1437         /* 
1438          * Copy messages to destination folder and 
1439          * store new message numbers in newmsgnums
1440          */
1441         item = NULL;
1442         for(l = msglist ; l != NULL ; l = g_slist_next(l)) {
1443                 MsgInfo * msginfo = (MsgInfo *) l->data;
1444
1445                 if (!item && msginfo->folder != NULL)
1446                         item = msginfo->folder;
1447
1448                 num = folder->copy_msg(folder, dest, msginfo);
1449                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1450         }
1451
1452         /* Read cache for dest folder */
1453         if (!dest->cache) folder_item_read_cache(dest);
1454         
1455         /* 
1456          * Fetch new MsgInfos for new messages in dest folder,
1457          * add them to the msgcache and update folder message counts
1458          */
1459         l2 = newmsgnums;
1460         for(l = msglist; l != NULL; l = g_slist_next(l)) {
1461                 MsgInfo *msginfo = (MsgInfo *) l->data;
1462
1463                 num = GPOINTER_TO_INT(l2->data);
1464
1465                 if (num != -1) {
1466                         MsgInfo *newmsginfo;
1467
1468                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1469                         if(newmsginfo) {
1470                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1471                                 if (dest->stype == F_OUTBOX ||
1472                                     dest->stype == F_QUEUE  ||
1473                                     dest->stype == F_DRAFT  ||
1474                                     dest->stype == F_TRASH)
1475                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1476                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1477                                 msgcache_add_msg(dest->cache, newmsginfo);
1478
1479                                 if (MSG_IS_NEW(newmsginfo->flags))
1480                                         dest->new++;
1481                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1482                                         dest->unread++;
1483                                 dest->total++;
1484
1485                                 procmsg_msginfo_free(newmsginfo);
1486                         }
1487                 }
1488                 l2 = g_slist_next(l2);
1489         }
1490
1491         /*
1492          * Remove source messages from their folders if
1493          * copying was successfull and update folder
1494          * message counts
1495          */
1496         l2 = newmsgnums;
1497         for(l = msglist; l != NULL; l = g_slist_next(l)) {
1498                 MsgInfo *msginfo = (MsgInfo *) l->data;
1499
1500                 num = GPOINTER_TO_INT(l2->data);
1501                 
1502                 if(num != -1) {
1503                         item->folder->remove_msg(item->folder,
1504                                                  msginfo->folder,
1505                                                  msginfo->msgnum);
1506                         if(!item->cache)
1507                                 folder_item_read_cache(item);
1508                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1509
1510                         if (MSG_IS_NEW(msginfo->flags))
1511                                 msginfo->folder->new--;
1512                         if (MSG_IS_UNREAD(msginfo->flags))
1513                                 msginfo->folder->unread--;
1514                         msginfo->folder->total--;                       
1515                 }
1516
1517                 l2 = g_slist_next(l2);
1518         }
1519
1520
1521         if (folder->finished_copy)
1522                 folder->finished_copy(folder, dest);
1523
1524         g_slist_free(newmsgnums);
1525         return dest->last_num;
1526 }
1527
1528 /*
1529 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1530 {
1531         Folder *folder;
1532         gint num;
1533
1534         g_return_val_if_fail(dest != NULL, -1);
1535         g_return_val_if_fail(msginfo != NULL, -1);
1536
1537         folder = dest->folder;
1538         if (dest->last_num < 0) folder->scan(folder, dest);
1539
1540         num = folder->copy_msg(folder, dest, msginfo);
1541         if (num > 0) dest->last_num = num;
1542
1543         return num;
1544 }
1545 */
1546
1547 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1548 {
1549         Folder *folder;
1550         gint num;
1551
1552         g_return_val_if_fail(dest != NULL, -1);
1553         g_return_val_if_fail(msginfo != NULL, -1);
1554
1555         folder = dest->folder;
1556
1557         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1558
1559         if (!dest->cache) folder_item_read_cache(dest);
1560         
1561         num = folder->copy_msg(folder, dest, msginfo);
1562         if (num != -1) {
1563                 MsgInfo *newmsginfo;
1564
1565                 newmsginfo = folder->fetch_msginfo(folder, dest, num);
1566                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1567                 if (dest->stype == F_OUTBOX ||
1568                     dest->stype == F_QUEUE  ||
1569                     dest->stype == F_DRAFT  ||
1570                     dest->stype == F_TRASH)
1571                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1572                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1573                 msgcache_add_msg(dest->cache, newmsginfo);
1574
1575                 if (MSG_IS_NEW(newmsginfo->flags))
1576                         dest->new++;
1577                 if (MSG_IS_UNREAD(newmsginfo->flags))
1578                         dest->unread++;
1579                 dest->total++;
1580
1581                 procmsg_msginfo_free(newmsginfo);
1582         }
1583
1584         if (folder->finished_copy)
1585                 folder->finished_copy(folder, dest);
1586
1587         return num;
1588 }
1589
1590 /*
1591 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1592 {
1593         Folder *folder;
1594         gint num;
1595
1596         g_return_val_if_fail(dest != NULL, -1);
1597         g_return_val_if_fail(msglist != NULL, -1);
1598
1599         folder = dest->folder;
1600         if (dest->last_num < 0) folder->scan(folder, dest);
1601
1602         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1603         if (num > 0) dest->last_num = num;
1604         else dest->op_count = 0;
1605
1606         return num;
1607 }
1608 */
1609
1610 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1611 {
1612         Folder *folder;
1613         gint num;
1614         GSList *newmsgnums = NULL;
1615         GSList *l, *l2;
1616
1617         g_return_val_if_fail(dest != NULL, -1);
1618         g_return_val_if_fail(msglist != NULL, -1);
1619
1620         folder = dest->folder;
1621  
1622         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1623
1624         /* 
1625          * Copy messages to destination folder and 
1626          * store new message numbers in newmsgnums
1627          */
1628         for(l = msglist ; l != NULL ; l = g_slist_next(l)) {
1629                 MsgInfo * msginfo = (MsgInfo *) l->data;
1630
1631                 num = folder->copy_msg(folder, dest, msginfo);
1632                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1633         }
1634
1635         /* Read cache for dest folder */
1636         if (!dest->cache) folder_item_read_cache(dest);
1637         
1638         /* 
1639          * Fetch new MsgInfos for new messages in dest folder,
1640          * add them to the msgcache and update folder message counts
1641          */
1642         l2 = newmsgnums;
1643         for(l = msglist; l != NULL; l = g_slist_next(l)) {
1644                 MsgInfo *msginfo = (MsgInfo *) l->data;
1645
1646                 num = GPOINTER_TO_INT(l2->data);
1647
1648                 if (num != -1) {
1649                         MsgInfo *newmsginfo;
1650
1651                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1652                         if(newmsginfo) {
1653                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1654                                 if (dest->stype == F_OUTBOX ||
1655                                     dest->stype == F_QUEUE  ||
1656                                     dest->stype == F_DRAFT  ||
1657                                     dest->stype == F_TRASH)
1658                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1659                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1660                                 msgcache_add_msg(dest->cache, newmsginfo);
1661
1662                                 if (MSG_IS_NEW(newmsginfo->flags))
1663                                         dest->new++;
1664                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1665                                         dest->unread++;
1666                                 dest->total++;
1667
1668                                 procmsg_msginfo_free(newmsginfo);
1669                         }
1670                 }
1671                 l2 = g_slist_next(l2);
1672         }
1673         
1674         if (folder->finished_copy)
1675                 folder->finished_copy(folder, dest);
1676
1677         g_slist_free(newmsgnums);
1678         return dest->last_num;
1679 }
1680
1681 gint folder_item_remove_msg(FolderItem *item, gint num)
1682 {
1683         Folder *folder;
1684         gint ret;
1685         MsgInfo *msginfo;
1686
1687         g_return_val_if_fail(item != NULL, -1);
1688
1689         folder = item->folder;
1690         if (!item->cache) folder_item_read_cache(item);
1691
1692         ret = folder->remove_msg(folder, item, num);
1693
1694         msginfo = msgcache_get_msg(item->cache, num);
1695         if(msginfo != NULL) {
1696                 if(MSG_IS_NEW(msginfo->flags))
1697                         item->new--;
1698                 if(MSG_IS_UNREAD(msginfo->flags))
1699                         item->unread--;
1700                 procmsg_msginfo_free(msginfo);
1701                 msgcache_remove_msg(item->cache, num);
1702         }
1703         item->total--;
1704
1705         return ret;
1706 }
1707
1708 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
1709 {
1710         gint ret = 0;
1711
1712         g_return_val_if_fail(item != NULL, -1);
1713
1714         if (!item->cache) folder_item_read_cache(item);
1715
1716         while (msglist != NULL) {
1717                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
1718
1719                 ret = folder_item_remove_msg(item, msginfo->msgnum);
1720                 if (ret != 0) break;
1721                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1722                 msglist = msglist->next;
1723         }
1724
1725         return ret;
1726 }
1727
1728 gint folder_item_remove_all_msg(FolderItem *item)
1729 {
1730         Folder *folder;
1731         gint result;
1732
1733         g_return_val_if_fail(item != NULL, -1);
1734
1735         folder = item->folder;
1736
1737         g_return_val_if_fail(folder->remove_all_msg != NULL, -1);
1738
1739         result = folder->remove_all_msg(folder, item);
1740
1741         if (result == 0) {
1742                 if (folder->finished_remove)
1743                         folder->finished_remove(folder, item);
1744
1745                 folder_item_free_cache(item);
1746                 item->cache = msgcache_new();
1747
1748                 item->new = 0;
1749                 item->unread = 0;
1750                 item->total = 0;
1751         }
1752
1753         return result;
1754 }
1755
1756 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
1757 {
1758         Folder *folder;
1759
1760         g_return_val_if_fail(item != NULL, FALSE);
1761
1762         folder = item->folder;
1763
1764         g_return_val_if_fail(folder->is_msg_changed != NULL, -1);
1765
1766         return folder->is_msg_changed(folder, item, msginfo);
1767 }
1768
1769 gchar *folder_item_get_cache_file(FolderItem *item)
1770 {
1771         gchar *path;
1772         gchar *file;
1773
1774         g_return_val_if_fail(item != NULL, NULL);
1775         g_return_val_if_fail(item->path != NULL, NULL);
1776
1777         path = folder_item_get_path(item);
1778         g_return_val_if_fail(path != NULL, NULL);
1779         if (!is_dir_exist(path))
1780                 make_dir_hier(path);
1781         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
1782         g_free(path);
1783
1784         return file;
1785 }
1786
1787 gchar *folder_item_get_mark_file(FolderItem *item)
1788 {
1789         gchar *path;
1790         gchar *file;
1791
1792         g_return_val_if_fail(item != NULL, NULL);
1793         g_return_val_if_fail(item->path != NULL, NULL);
1794
1795         path = folder_item_get_path(item);
1796         g_return_val_if_fail(path != NULL, NULL);
1797         if (!is_dir_exist(path))
1798                 make_dir_hier(path);
1799         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
1800         g_free(path);
1801
1802         return file;
1803 }
1804
1805 static gboolean folder_build_tree(GNode *node, gpointer data)
1806 {
1807         Folder *folder = FOLDER(data);
1808         FolderItem *item;
1809         XMLNode *xmlnode;
1810         GList *list;
1811         SpecialFolderItemType stype = F_NORMAL;
1812         const gchar *name = NULL;
1813         const gchar *path = NULL;
1814         PrefsAccount *account = NULL;
1815         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE, 
1816                  threaded = TRUE, ret_rcpt = FALSE, hidereadmsgs = FALSE;
1817         FolderSortKey sort_key = SORT_BY_NONE;
1818         FolderSortType sort_type = SORT_ASCENDING;
1819         gint new = 0, unread = 0, total = 0;
1820         time_t mtime = 0;
1821
1822         g_return_val_if_fail(node->data != NULL, FALSE);
1823         if (!node->parent) return FALSE;
1824
1825         xmlnode = node->data;
1826         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
1827                 g_warning("tag name != \"folderitem\"\n");
1828                 return FALSE;
1829         }
1830
1831         list = xmlnode->tag->attr;
1832         for (; list != NULL; list = list->next) {
1833                 XMLAttr *attr = list->data;
1834
1835                 if (!attr || !attr->name || !attr->value) continue;
1836                 if (!strcmp(attr->name, "type")) {
1837                         if (!strcasecmp(attr->value, "normal"))
1838                                 stype = F_NORMAL;
1839                         else if (!strcasecmp(attr->value, "inbox"))
1840                                 stype = F_INBOX;
1841                         else if (!strcasecmp(attr->value, "outbox"))
1842                                 stype = F_OUTBOX;
1843                         else if (!strcasecmp(attr->value, "draft"))
1844                                 stype = F_DRAFT;
1845                         else if (!strcasecmp(attr->value, "queue"))
1846                                 stype = F_QUEUE;
1847                         else if (!strcasecmp(attr->value, "trash"))
1848                                 stype = F_TRASH;
1849                 } else if (!strcmp(attr->name, "name"))
1850                         name = attr->value;
1851                 else if (!strcmp(attr->name, "path"))
1852                         path = attr->value;
1853                 else if (!strcmp(attr->name, "account_id")) {
1854                         account = account_find_from_id(atoi(attr->value));
1855                         if (!account) g_warning("account_id: %s not found\n",
1856                                                 attr->value);
1857                 } else if (!strcmp(attr->name, "mtime"))
1858                         mtime = strtoul(attr->value, NULL, 10);
1859                 else if (!strcmp(attr->name, "new"))
1860                         new = atoi(attr->value);
1861                 else if (!strcmp(attr->name, "unread"))
1862                         unread = atoi(attr->value);
1863                 else if (!strcmp(attr->name, "total"))
1864                         total = atoi(attr->value);
1865                 else if (!strcmp(attr->name, "no_sub"))
1866                         no_sub = *attr->value == '1' ? TRUE : FALSE;
1867                 else if (!strcmp(attr->name, "no_select"))
1868                         no_select = *attr->value == '1' ? TRUE : FALSE;
1869                 else if (!strcmp(attr->name, "collapsed"))
1870                         collapsed = *attr->value == '1' ? TRUE : FALSE;
1871                 else if (!strcmp(attr->name, "threaded"))
1872                         threaded =  *attr->value == '1' ? TRUE : FALSE;
1873                 else if (!strcmp(attr->name, "hidereadmsgs"))
1874                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
1875                 else if (!strcmp(attr->name, "reqretrcpt"))
1876                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
1877                 else if (!strcmp(attr->name, "sort_key")) {
1878                         if (!strcmp(attr->value, "none"))
1879                                 sort_key = SORT_BY_NONE;
1880                         else if (!strcmp(attr->value, "number"))
1881                                 sort_key = SORT_BY_NUMBER;
1882                         else if (!strcmp(attr->value, "size"))
1883                                 sort_key = SORT_BY_SIZE;
1884                         else if (!strcmp(attr->value, "date"))
1885                                 sort_key = SORT_BY_DATE;
1886                         else if (!strcmp(attr->value, "from"))
1887                                 sort_key = SORT_BY_FROM;
1888                         else if (!strcmp(attr->value, "subject"))
1889                                 sort_key = SORT_BY_SUBJECT;
1890                         else if (!strcmp(attr->value, "score"))
1891                                 sort_key = SORT_BY_SCORE;
1892                         else if (!strcmp(attr->value, "label"))
1893                                 sort_key = SORT_BY_LABEL;
1894                         else if (!strcmp(attr->value, "mark"))
1895                                 sort_key = SORT_BY_MARK;
1896                         else if (!strcmp(attr->value, "unread"))
1897                                 sort_key = SORT_BY_UNREAD;
1898                         else if (!strcmp(attr->value, "mime"))
1899                                 sort_key = SORT_BY_MIME;
1900                         else if (!strcmp(attr->value, "locked"))
1901                                 sort_key = SORT_BY_LOCKED;
1902                 } else if (!strcmp(attr->name, "sort_type")) {
1903                         if (!strcmp(attr->value, "ascending"))
1904                                 sort_type = SORT_ASCENDING;
1905                         else
1906                                 sort_type = SORT_DESCENDING;
1907                 }
1908         }
1909
1910         item = folder_item_new(folder, name, path);
1911         item->stype = stype;
1912         item->account = account;
1913         item->mtime = mtime;
1914         item->new = new;
1915         item->unread = unread;
1916         item->total = total;
1917         item->no_sub = no_sub;
1918         item->no_select = no_select;
1919         item->collapsed = collapsed;
1920         item->threaded  = threaded;
1921         item->hide_read_msgs  = hidereadmsgs;
1922         item->ret_rcpt  = ret_rcpt;
1923         item->sort_key  = sort_key;
1924         item->sort_type = sort_type;
1925         item->parent = FOLDER_ITEM(node->parent->data);
1926         item->folder = folder;
1927         switch (stype) {
1928         case F_INBOX:  folder->inbox  = item; break;
1929         case F_OUTBOX: folder->outbox = item; break;
1930         case F_DRAFT:  folder->draft  = item; break;
1931         case F_QUEUE:  folder->queue  = item; break;
1932         case F_TRASH:  folder->trash  = item; break;
1933         default:       break;
1934         }
1935
1936         prefs_folder_item_read_config(item);
1937
1938         node->data = item;
1939         xml_free_node(xmlnode);
1940
1941         return FALSE;
1942 }
1943
1944 static gboolean folder_read_folder_func(GNode *node, gpointer data)
1945 {
1946         Folder *folder;
1947         XMLNode *xmlnode;
1948         GList *list;
1949         FolderType type = F_UNKNOWN;
1950         const gchar *name = NULL;
1951         const gchar *path = NULL;
1952         PrefsAccount *account = NULL;
1953         gboolean collapsed = FALSE, threaded = TRUE, ret_rcpt = FALSE;
1954
1955         if (g_node_depth(node) != 2) return FALSE;
1956         g_return_val_if_fail(node->data != NULL, FALSE);
1957
1958         xmlnode = node->data;
1959         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
1960                 g_warning("tag name != \"folder\"\n");
1961                 return TRUE;
1962         }
1963         g_node_unlink(node);
1964         list = xmlnode->tag->attr;
1965         for (; list != NULL; list = list->next) {
1966                 XMLAttr *attr = list->data;
1967
1968                 if (!attr || !attr->name || !attr->value) continue;
1969                 if (!strcmp(attr->name, "type")) {
1970                         if (!strcasecmp(attr->value, "mh"))
1971                                 type = F_MH;
1972                         else if (!strcasecmp(attr->value, "mbox"))
1973                                 type = F_MBOX;
1974                         else if (!strcasecmp(attr->value, "maildir"))
1975                                 type = F_MAILDIR;
1976                         else if (!strcasecmp(attr->value, "imap"))
1977                                 type = F_IMAP;
1978                         else if (!strcasecmp(attr->value, "news"))
1979                                 type = F_NEWS;
1980                 } else if (!strcmp(attr->name, "name"))
1981                         name = attr->value;
1982                 else if (!strcmp(attr->name, "path"))
1983                         path = attr->value;
1984                 else if (!strcmp(attr->name, "account_id")) {
1985                         account = account_find_from_id(atoi(attr->value));
1986                         if (!account) g_warning("account_id: %s not found\n",
1987                                                 attr->value);
1988                 } else if (!strcmp(attr->name, "collapsed"))
1989                         collapsed = *attr->value == '1' ? TRUE : FALSE;
1990                 else if (!strcmp(attr->name, "threaded"))
1991                         threaded = *attr->value == '1' ? TRUE : FALSE;
1992                 else if (!strcmp(attr->name, "reqretrcpt"))
1993                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
1994         }
1995
1996         folder = folder_new(type, name, path);
1997         g_return_val_if_fail(folder != NULL, FALSE);
1998         folder->account = account;
1999         if (account && (type == F_IMAP || type == F_NEWS))
2000                 account->folder = REMOTE_FOLDER(folder);
2001         node->data = folder->node->data;
2002         g_node_destroy(folder->node);
2003         folder->node = node;
2004         folder_add(folder);
2005         FOLDER_ITEM(node->data)->collapsed = collapsed;
2006         FOLDER_ITEM(node->data)->threaded  = threaded;
2007         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2008
2009         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2010                         folder_build_tree, folder);
2011
2012         return FALSE;
2013 }
2014
2015 static gchar *folder_get_list_path(void)
2016 {
2017         static gchar *filename = NULL;
2018
2019         if (!filename)
2020                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2021                                         FOLDER_LIST, NULL);
2022
2023         return filename;
2024 }
2025
2026 static void folder_write_list_recursive(GNode *node, gpointer data)
2027 {
2028         FILE *fp = (FILE *)data;
2029         FolderItem *item = FOLDER_ITEM(node->data);
2030         gint i, depth;
2031         static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
2032                                            "news", "unknown"};
2033         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2034                                                  "draft", "queue", "trash"};
2035         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2036                                         "from", "subject", "score", "label",
2037                                         "mark", "unread", "mime", "locked" };
2038
2039         g_return_if_fail(item != NULL);
2040
2041         depth = g_node_depth(node);
2042         for (i = 0; i < depth; i++)
2043                 fputs("    ", fp);
2044         if (depth == 1) {
2045                 Folder *folder = item->folder;
2046
2047                 fprintf(fp, "<folder type=\"%s\"", folder_type_str[folder->type]);
2048                 if (folder->name) {
2049                         fputs(" name=\"", fp);
2050                         xml_file_put_escape_str(fp, folder->name);
2051                         fputs("\"", fp);
2052                 }
2053                 if ((folder->type == F_MH) || (folder->type == F_MBOX)) {
2054                         fputs(" path=\"", fp);
2055                         xml_file_put_escape_str
2056                                 (fp, LOCAL_FOLDER(folder)->rootpath);
2057                         fputs("\"", fp);
2058                 }
2059                 if (folder->account)
2060                         fprintf(fp, " account_id=\"%d\"",
2061                                 folder->account->account_id);
2062                 if (item->collapsed && node->children)
2063                         fputs(" collapsed=\"1\"", fp);
2064                 if (item->ret_rcpt) 
2065                         fputs(" reqretrcpt=\"1\"", fp);
2066         } else {
2067                 fprintf(fp, "<folderitem type=\"%s\"",
2068                         folder_item_stype_str[item->stype]);
2069                 if (item->name) {
2070                         fputs(" name=\"", fp);
2071                         xml_file_put_escape_str(fp, item->name);
2072                         fputs("\"", fp);
2073                 }
2074                 if (item->path) {
2075                         fputs(" path=\"", fp);
2076                         xml_file_put_escape_str(fp, item->path);
2077                         fputs("\"", fp);
2078                 }
2079                 if (item->account)
2080                         fprintf(fp, " account_id=\"%d\"",
2081                                 item->account->account_id);
2082                 if (item->no_sub)
2083                         fputs(" no_sub=\"1\"", fp);
2084                 if (item->no_select)
2085                         fputs(" no_select=\"1\"", fp);
2086                 if (item->collapsed && node->children)
2087                         fputs(" collapsed=\"1\"", fp);
2088                 if (item->threaded)
2089                         fputs(" threaded=\"1\"", fp);
2090                 else
2091                         fputs(" threaded=\"0\"", fp);
2092                 if (item->hide_read_msgs)
2093                         fputs(" hidereadmsgs=\"1\"", fp);
2094                 else
2095                         fputs(" hidereadmsgs=\"0\"", fp);
2096                 if (item->ret_rcpt)
2097                         fputs(" reqretrcpt=\"1\"", fp);
2098
2099                 if (item->sort_key != SORT_BY_NONE) {
2100                         fprintf(fp, " sort_key=\"%s\"",
2101                                 sort_key_str[item->sort_key]);
2102                         if (item->sort_type == SORT_ASCENDING)
2103                                 fprintf(fp, " sort_type=\"ascending\"");
2104                         else
2105                                 fprintf(fp, " sort_type=\"descending\"");
2106                 }
2107
2108                 fprintf(fp,
2109                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" total=\"%d\"",
2110                         item->mtime, item->new, item->unread, item->total);
2111         }
2112
2113         if (node->children) {
2114                 GNode *child;
2115                 fputs(">\n", fp);
2116
2117                 child = node->children;
2118                 while (child) {
2119                         GNode *cur;
2120
2121                         cur = child;
2122                         child = cur->next;
2123                         folder_write_list_recursive(cur, data);
2124                 }
2125
2126                 for (i = 0; i < depth; i++)
2127                         fputs("    ", fp);
2128                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2129         } else
2130                 fputs(" />\n", fp);
2131 }
2132
2133 static void folder_update_op_count_rec(GNode *node) {
2134         FolderItem *fitem = FOLDER_ITEM(node->data);
2135
2136         if (g_node_depth(node) > 0) {
2137                 if (fitem->op_count > 0) {
2138                         fitem->op_count = 0;
2139                         folderview_update_item(fitem, 0);
2140                 }
2141                 if (node->children) {
2142                         GNode *child;
2143
2144                         child = node->children;
2145                         while (child) {
2146                                 GNode *cur;
2147
2148                                 cur = child;
2149                                 child = cur->next;
2150                                 folder_update_op_count_rec(cur);
2151                         }
2152                 }
2153         }
2154 }
2155
2156 void folder_update_op_count() {
2157         GList *cur;
2158         Folder *folder;
2159
2160         for (cur = folder_list; cur != NULL; cur = cur->next) {
2161                 folder = cur->data;
2162                 folder_update_op_count_rec(folder->node);
2163         }
2164 }
2165
2166 typedef struct _type_str {
2167         gchar * str;
2168         gint type;
2169 } type_str;
2170
2171
2172 /*
2173 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2174 {
2175         if (item->parent != NULL) {
2176                 gchar * path;
2177                 gchar * id;
2178
2179                 path = folder_item_get_tree_identifier(item->parent);
2180                 if (path == NULL)
2181                         return NULL;
2182
2183                 id = g_strconcat(path, "/", item->name, NULL);
2184                 g_free(path);
2185
2186                 return id;
2187         }
2188         else {
2189                 return g_strconcat("/", item->name, NULL);
2190         }
2191 }
2192 */
2193
2194 /* CLAWS: temporary local folder for filtering */
2195 static Folder *processing_folder;
2196 static FolderItem *processing_folder_item;
2197
2198 static void folder_create_processing_folder(void)
2199 {
2200 #define PROCESSING_FOLDER ".processing" 
2201         Folder     *tmpparent;
2202         gchar      *tmpname;
2203
2204         tmpparent = folder_get_default_folder();
2205         g_assert(tmpparent);
2206         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2207         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2208                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2209                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2210                                       NULL);
2211         else
2212                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2213                                       LOCAL_FOLDER(tmpparent)->rootpath,
2214                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2215                                       NULL);
2216
2217         processing_folder = folder_new(F_MH, "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2218         g_assert(processing_folder);
2219
2220         if (!is_dir_exist(tmpname)) {
2221                 debug_print("*TMP* creating %s\n", tmpname);
2222                 processing_folder_item = processing_folder->create_folder(processing_folder,
2223                                                                           processing_folder->node->data,
2224                                                                           PROCESSING_FOLDER);
2225                 g_assert(processing_folder_item);                                                                         
2226         }
2227         else {
2228                 debug_print("*TMP* already created\n");
2229                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2230                 g_assert(processing_folder_item);
2231                 folder_item_append(processing_folder->node->data, processing_folder_item);
2232         }
2233         g_free(tmpname);
2234 }
2235
2236 FolderItem *folder_get_default_processing(void)
2237 {
2238         if (!processing_folder_item) {
2239                 folder_create_processing_folder();
2240         }
2241         return processing_folder_item;
2242 }
2243
2244 /* folder_persist_prefs_new() - return hash table with persistent
2245  * settings (and folder name as key). 
2246  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2247  * file, so those don't need to be included in PersistPref yet) 
2248  */
2249 GHashTable *folder_persist_prefs_new(Folder *folder)
2250 {
2251         GHashTable *pptable;
2252
2253         g_return_val_if_fail(folder, NULL);
2254         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2255         folder_get_persist_prefs_recursive(folder->node, pptable);
2256         return pptable;
2257 }
2258
2259 void folder_persist_prefs_free(GHashTable *pptable)
2260 {
2261         g_return_if_fail(pptable);
2262         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2263         g_hash_table_destroy(pptable);
2264 }
2265
2266 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2267 {
2268         if (pptable == NULL || name == NULL) return NULL;
2269         return g_hash_table_lookup(pptable, name);
2270 }
2271
2272 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2273 {
2274         const PersistPrefs *pp;
2275         gchar *id = folder_item_get_identifier(item);
2276
2277         pp = folder_get_persist_prefs(pptable, id); 
2278         g_free(id);
2279
2280         if (!pp) return;
2281
2282         /* CLAWS: since not all folder properties have been migrated to 
2283          * folderlist.xml, we need to call the old stuff first before
2284          * setting things that apply both to Main and Claws. */
2285         prefs_folder_item_read_config(item); 
2286          
2287         item->collapsed = pp->collapsed;
2288         item->threaded  = pp->threaded;
2289         item->ret_rcpt  = pp->ret_rcpt;
2290         item->hide_read_msgs = pp->hide_read_msgs;
2291         item->sort_key  = pp->sort_key;
2292         item->sort_type = pp->sort_type;
2293 }
2294
2295 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2296 {
2297         FolderItem *item = FOLDER_ITEM(node->data);
2298         PersistPrefs *pp;
2299         GNode *child, *cur;
2300         gchar *id;
2301
2302         g_return_if_fail(node != NULL);
2303         g_return_if_fail(item != NULL);
2304
2305         /* NOTE: item->path == NULL means top level folder; not interesting
2306          * to store preferences of that one.  */
2307         if (item->path) {
2308                 id = folder_item_get_identifier(item);
2309                 pp = g_new0(PersistPrefs, 1);
2310                 g_return_if_fail(pp != NULL);
2311                 pp->collapsed = item->collapsed;
2312                 pp->threaded  = item->threaded;
2313                 pp->ret_rcpt  = item->ret_rcpt; 
2314                 pp->hide_read_msgs = item->hide_read_msgs;
2315                 pp->sort_key  = item->sort_key;
2316                 pp->sort_type = item->sort_type;
2317                 g_hash_table_insert(pptable, id, pp);
2318         }
2319
2320         if (node->children) {
2321                 child = node->children;
2322                 while (child) {
2323                         cur = child;
2324                         child = cur->next;
2325                         folder_get_persist_prefs_recursive(cur, pptable);
2326                 }
2327         }       
2328 }
2329
2330 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2331 {
2332         if (key) 
2333                 g_free(key);
2334         if (val) 
2335                 g_free(val);
2336         return TRUE;    
2337 }
2338
2339 void folder_item_apply_processing(FolderItem *item)
2340 {
2341         GSList *processing_list;
2342         GSList *mlist, *cur;
2343         GHashTable *folder_table;
2344         
2345         g_return_if_fail(item != NULL);
2346         
2347         processing_list = item->prefs->processing;
2348         if (processing_list == NULL)
2349                 return;
2350         folder_table = g_hash_table_new(NULL, NULL);
2351
2352         mlist = folder_item_get_msg_list(item);
2353         
2354         for(cur = mlist ; cur != NULL ; cur = cur->next) {
2355                 MsgInfo * msginfo;
2356
2357                 msginfo = (MsgInfo *) cur->data;
2358                 filter_message_by_msginfo(processing_list, msginfo,
2359                                           folder_table);
2360                 procmsg_msginfo_free(msginfo);
2361         }
2362         
2363         /* folder_item_scan_foreach(summaryview->folder_table); */
2364         folderview_update_item_foreach(folder_table, FALSE);
2365
2366         g_slist_free(mlist);
2367         
2368         g_hash_table_destroy(folder_table);
2369 }