208dd72913f5bafbbc8c3048109964bd3283bf35
[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 "session.h"
37 #include "imap.h"
38 #include "news.h"
39 #include "mh.h"
40 #include "mbox_folder.h"
41 #include "utils.h"
42 #include "xml.h"
43 #include "codeconv.h"
44 #include "prefs_gtk.h"
45 #include "account.h"
46 #include "filtering.h"
47 #include "scoring.h"
48 #include "prefs_folder_item.h"
49 #include "procheader.h"
50 #include "hooks.h"
51 #include "log.h"
52
53 /* Dependecies to be removed ?! */
54 #include "prefs_common.h"
55 #include "prefs_account.h"
56 #include "prefs_folder_item.h"
57
58 static GList *folder_list = NULL;
59
60 static void folder_init         (Folder         *folder,
61                                  const gchar    *name);
62
63 static gboolean folder_read_folder_func (GNode          *node,
64                                          gpointer        data);
65 static gchar *folder_get_list_path      (void);
66 static void folder_write_list_recursive (GNode          *node,
67                                          gpointer        data);
68 static void folder_update_op_count_rec  (GNode          *node);
69
70
71 static void folder_get_persist_prefs_recursive
72                                         (GNode *node, GHashTable *pptable);
73 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
74 void folder_item_read_cache             (FolderItem *item);
75 void folder_item_free_cache             (FolderItem *item);
76
77 static GSList *classlist;
78
79 void folder_system_init()
80 {
81         folder_register_class(mh_get_class());
82         folder_register_class(imap_get_class());
83         folder_register_class(news_get_class());
84         folder_register_class(mbox_get_class());
85 }
86
87 GSList *folder_get_class_list()
88 {
89         return classlist;
90 }
91
92 void folder_register_class(FolderClass *class)
93 {
94         debug_print("registering folder class %s\n", class->idstr);
95         classlist = g_slist_append(classlist, class);
96 }
97
98 Folder *folder_new(FolderClass *class, const gchar *name, const gchar *path)
99 {
100         Folder *folder = NULL;
101         FolderItem *item;
102
103         g_return_val_if_fail(class != NULL, NULL);
104
105         name = name ? name : path;
106         folder = class->new(name, path);
107
108         /* Create root folder item */
109         item = folder_item_new(folder, name, NULL);
110         item->folder = folder;
111         folder->node = g_node_new(item);
112         folder->data = NULL;
113
114         return folder;
115 }
116
117 static void folder_init(Folder *folder, const gchar *name)
118 {
119         g_return_if_fail(folder != NULL);
120
121         folder_set_name(folder, name);
122
123         /* Init folder data */
124         folder->account = NULL;
125         folder->inbox = NULL;
126         folder->outbox = NULL;
127         folder->draft = NULL;
128         folder->queue = NULL;
129         folder->trash = NULL;
130 }
131
132 void folder_local_folder_init(Folder *folder, const gchar *name,
133                               const gchar *path)
134 {
135         folder_init(folder, name);
136         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
137 }
138
139 void folder_remote_folder_init(Folder *folder, const gchar *name,
140                                const gchar *path)
141 {
142         folder_init(folder, name);
143         REMOTE_FOLDER(folder)->session = NULL;
144 }
145
146 void folder_destroy(Folder *folder)
147 {
148         g_return_if_fail(folder != NULL);
149         g_return_if_fail(folder->class->destroy != NULL);
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         folder->class->destroy(folder);
158 }
159
160 void folder_local_folder_destroy(LocalFolder *lfolder)
161 {
162         g_return_if_fail(lfolder != NULL);
163
164         g_free(lfolder->rootpath);
165 }
166
167 void folder_remote_folder_destroy(RemoteFolder *rfolder)
168 {
169         g_return_if_fail(rfolder != NULL);
170
171         if (rfolder->session)
172                 session_destroy(rfolder->session);
173 }
174
175 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
176 {
177         FolderItem *item = NULL;
178
179         if (folder->class->item_new) {
180                 item = folder->class->item_new(folder);
181         } else {
182                 item = g_new0(FolderItem, 1);
183         }
184
185         g_return_val_if_fail(item != NULL, NULL);
186
187         item->stype = F_NORMAL;
188         item->name = g_strdup(name);
189         item->path = g_strdup(path);
190         item->mtime = 0;
191         item->new = 0;
192         item->unread = 0;
193         item->unreadmarked = 0;
194         item->total = 0;
195         item->last_num = -1;
196         item->cache = NULL;
197         item->no_sub = FALSE;
198         item->no_select = FALSE;
199         item->collapsed = FALSE;
200         item->thread_collapsed = FALSE;
201         item->threaded  = TRUE;
202         item->ret_rcpt  = FALSE;
203         item->opened    = FALSE;
204         item->parent = NULL;
205         item->folder = NULL;
206         item->account = NULL;
207         item->apply_sub = FALSE;
208         item->mark_queue = NULL;
209         item->data = NULL;
210
211         item->prefs = prefs_folder_item_new();
212
213         return item;
214 }
215
216 void folder_item_append(FolderItem *parent, FolderItem *item)
217 {
218         GNode *node;
219
220         g_return_if_fail(parent != NULL);
221         g_return_if_fail(parent->folder != NULL);
222         g_return_if_fail(item != NULL);
223
224         node = parent->folder->node;
225         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
226         g_return_if_fail(node != NULL);
227
228         item->parent = parent;
229         item->folder = parent->folder;
230         g_node_append_data(node, item);
231 }
232
233 void folder_item_remove(FolderItem *item)
234 {
235         GNode *node;
236
237         g_return_if_fail(item != NULL);
238         g_return_if_fail(item->folder != NULL);
239
240         node = item->folder->node;
241         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
242         g_return_if_fail(node != NULL);
243
244         /* TODO: free all FolderItem's first */
245         if (item->folder->node == node)
246                 item->folder->node = NULL;
247         g_node_destroy(node);
248 }
249
250 void folder_item_destroy(FolderItem *item)
251 {
252         g_return_if_fail(item != NULL);
253
254         debug_print("Destroying folder item %s\n", item->path);
255
256         if (item->cache)
257                 folder_item_free_cache(item);
258         g_free(item->name);
259         g_free(item->path);
260
261         if (item->folder != NULL) {
262                 if(item->folder->class->item_destroy) {
263                         item->folder->class->item_destroy(item->folder, item);
264                 } else {
265                         g_free(item);
266                 }
267         }
268 }
269
270 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
271 {
272         g_return_if_fail(folder != NULL);
273
274         folder->ui_func = func;
275         folder->ui_func_data = data;
276 }
277
278 void folder_set_name(Folder *folder, const gchar *name)
279 {
280         g_return_if_fail(folder != NULL);
281
282         g_free(folder->name);
283         folder->name = name ? g_strdup(name) : NULL;
284         if (folder->node && folder->node->data) {
285                 FolderItem *item = (FolderItem *)folder->node->data;
286
287                 g_free(item->name);
288                 item->name = name ? g_strdup(name) : NULL;
289         }
290 }
291
292 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
293         FolderItem *item = (FolderItem *) node->data;
294
295         folder_item_destroy(item);
296         return FALSE;
297 }
298
299 void folder_tree_destroy(Folder *folder)
300 {
301         g_return_if_fail(folder != NULL);
302         g_return_if_fail(folder->node != NULL);
303         
304         prefs_scoring_clear();
305         prefs_filtering_clear();
306
307         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
308         if (folder->node)
309                 g_node_destroy(folder->node);
310
311         folder->inbox = NULL;
312         folder->outbox = NULL;
313         folder->draft = NULL;
314         folder->queue = NULL;
315         folder->trash = NULL;
316         folder->node = NULL;
317 }
318
319 void folder_add(Folder *folder)
320 {
321         Folder *cur_folder;
322         GList *cur;
323         gint i;
324
325         g_return_if_fail(folder != NULL);
326
327         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
328                 cur_folder = FOLDER(cur->data);
329                 if (FOLDER_TYPE(folder) == F_MH) {
330                         if (FOLDER_TYPE(cur_folder) != F_MH) break;
331                 } else if (FOLDER_TYPE(folder) == F_MBOX) {
332                         if (FOLDER_TYPE(cur_folder) != F_MH &&
333                             FOLDER_TYPE(cur_folder) != F_MBOX) break;
334                 } else if (FOLDER_TYPE(folder) == F_IMAP) {
335                         if (FOLDER_TYPE(cur_folder) != F_MH &&
336                             FOLDER_TYPE(cur_folder) != F_MBOX &&
337                             FOLDER_TYPE(cur_folder) != F_IMAP) break;
338                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
339                         if (FOLDER_TYPE(cur_folder) != F_MH &&
340                             FOLDER_TYPE(cur_folder) != F_MBOX &&
341                             FOLDER_TYPE(cur_folder) != F_IMAP &&
342                             FOLDER_TYPE(cur_folder) != F_NEWS) break;
343                 }
344         }
345
346         folder_list = g_list_insert(folder_list, folder, i);
347 }
348
349 GList *folder_get_list(void)
350 {
351         return folder_list;
352 }
353
354 gint folder_read_list(void)
355 {
356         GNode *node;
357         XMLNode *xmlnode;
358         gchar *path;
359
360         path = folder_get_list_path();
361         if (!is_file_exist(path)) return -1;
362         node = xml_parse_file(path);
363         if (!node) return -1;
364
365         xmlnode = node->data;
366         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
367                 g_warning("wrong folder list\n");
368                 xml_free_tree(node);
369                 return -1;
370         }
371
372         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
373                         folder_read_folder_func, NULL);
374
375         xml_free_tree(node);
376         if (folder_list)
377                 return 0;
378         else
379                 return -1;
380 }
381
382 void folder_write_list(void)
383 {
384         GList *list;
385         Folder *folder;
386         gchar *path;
387         PrefFile *pfile;
388
389         path = folder_get_list_path();
390         if ((pfile = prefs_write_open(path)) == NULL) return;
391
392         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
393                 conv_get_current_charset_str());
394         fputs("\n<folderlist>\n", pfile->fp);
395
396         for (list = folder_list; list != NULL; list = list->next) {
397                 folder = list->data;
398                 folder_write_list_recursive(folder->node, pfile->fp);
399         }
400
401         fputs("</folderlist>\n", pfile->fp);
402
403         if (prefs_file_close(pfile) < 0)
404                 g_warning("failed to write folder list.\n");
405 }
406
407 gboolean folder_scan_tree_func(GNode *node, gpointer data)
408 {
409         GHashTable *pptable = (GHashTable *)data;
410         FolderItem *item = (FolderItem *)node->data;
411         
412         folder_item_restore_persist_prefs(item, pptable);
413
414         return FALSE;
415 }
416
417 void folder_scan_tree(Folder *folder)
418 {
419         GHashTable *pptable;
420         
421         if (!folder->class->scan_tree)
422                 return;
423         
424         pptable = folder_persist_prefs_new(folder);
425         folder_tree_destroy(folder);
426
427         folder->class->scan_tree(folder);
428
429         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
430         folder_persist_prefs_free(pptable);
431
432         prefs_matcher_read_config();
433
434         folder_write_list();
435 }
436
437 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
438 {
439         FolderItem *new_item;
440
441         new_item = parent->folder->class->create_folder(parent->folder, parent, name);
442         if (new_item)
443                 new_item->cache = msgcache_new();
444
445         return new_item;
446 }
447
448 struct TotalMsgCount
449 {
450         guint new;
451         guint unread;
452         guint unreadmarked;
453         guint total;
454 };
455
456 struct FuncToAllFoldersData
457 {
458         FolderItemFunc  function;
459         gpointer        data;
460 };
461
462 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
463 {
464         FolderItem *item;
465         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
466
467         g_return_val_if_fail(node->data != NULL, FALSE);
468
469         item = FOLDER_ITEM(node->data);
470         g_return_val_if_fail(item != NULL, FALSE);
471
472         function_data->function(item, function_data->data);
473
474         return FALSE;
475 }
476
477 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
478 {
479         GList *list;
480         Folder *folder;
481         struct FuncToAllFoldersData function_data;
482         
483         function_data.function = function;
484         function_data.data = data;
485
486         for (list = folder_list; list != NULL; list = list->next) {
487                 folder = FOLDER(list->data);
488                 if (folder->node)
489                         g_node_traverse(folder->node, G_PRE_ORDER,
490                                         G_TRAVERSE_ALL, -1,
491                                         folder_func_to_all_folders_func,
492                                         &function_data);
493         }
494 }
495
496 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
497 {
498         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
499
500         count->new += item->new;
501         count->unread += item->unread;
502         count->unreadmarked += item->unreadmarked;
503         count->total += item->total;
504 }
505
506 void folder_count_total_msgs(guint *new, guint *unread, guint *unreadmarked, guint *total)
507 {
508         struct TotalMsgCount count;
509
510         count.new = count.unread = count.unreadmarked = count.total = 0;
511
512         debug_print("Counting total number of messages...\n");
513
514         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
515
516         *new = count.new;
517         *unread = count.unread;
518         *unreadmarked = count.unreadmarked;
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(folder) == F_MH || FOLDER_TYPE(folder) == 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, FolderClass *class)
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->class == class && 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 FolderClass *folder_get_class_from_string(const gchar *str)
581 {
582         GSList *classlist;
583
584         classlist = folder_get_class_list();
585         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
586                 FolderClass *class = (FolderClass *) classlist->data;
587                 if (g_strcasecmp(class->idstr, str) == 0)
588                         return class;
589         }
590
591         return NULL;
592 }
593
594 gchar *folder_get_identifier(Folder *folder)
595 {
596         gchar *type_str;
597
598         g_return_val_if_fail(folder != NULL, NULL);
599
600         type_str = folder->class->idstr;
601         return g_strconcat("#", type_str, "/", folder->name, NULL);
602 }
603
604 gchar *folder_item_get_identifier(FolderItem *item)
605 {
606         gchar *id;
607         gchar *folder_id;
608
609         g_return_val_if_fail(item != NULL, NULL);
610         g_return_val_if_fail(item->path != NULL, NULL);
611
612         folder_id = folder_get_identifier(item->folder);
613         id = g_strconcat(folder_id, "/", item->path, NULL);
614         g_free(folder_id);
615
616         return id;
617 }
618
619 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
620 {
621         Folder *folder;
622         gpointer d[2];
623         gchar *str;
624         gchar *p;
625         gchar *name;
626         gchar *path;
627         FolderClass *class;
628
629         g_return_val_if_fail(identifier != NULL, NULL);
630
631         if (*identifier != '#')
632                 return folder_find_item_from_path(identifier);
633
634         Xstrdup_a(str, identifier, return NULL);
635
636         p = strchr(str, '/');
637         if (!p)
638                 return folder_find_item_from_path(identifier);
639         *p = '\0';
640         p++;
641         class = folder_get_class_from_string(&str[1]);
642         if (class == NULL)
643                 return folder_find_item_from_path(identifier);
644
645         name = p;
646         p = strchr(p, '/');
647         if (!p)
648                 return folder_find_item_from_path(identifier);
649         *p = '\0';
650         p++;
651
652         folder = folder_find_from_name(name, class);
653         if (!folder)
654                 return folder_find_item_from_path(identifier);
655
656         path = p;
657
658         d[0] = (gpointer)path;
659         d[1] = NULL;
660         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
661                         folder_item_find_func, d);
662         return d[1];
663 }
664
665 /**
666  * Get a displayable name for a FolderItem
667  *
668  * \param item FolderItem for that a name should be created
669  * \return Displayable name for item, returned string has to
670  *         be freed
671  */
672 gchar *folder_item_get_name(FolderItem *item)
673 {
674         gchar *name = NULL;
675
676         switch (item->stype) {
677         case F_INBOX:
678                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
679                                 !strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
680                                 item->name);
681                 break;
682         case F_OUTBOX:
683                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
684                                 !strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
685                                 item->name);
686                 break;
687         case F_QUEUE:
688                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
689                                 !strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
690                                 item->name);
691                 break;
692         case F_TRASH:
693                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
694                                 !strcmp2(item->name, TRASH_DIR) ? _("Trash") :
695                                 item->name);
696                 break;
697         case F_DRAFT:
698                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
699                                 !strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
700                                 item->name);
701                 break;
702         default:
703                 break;
704         }
705
706         if (name == NULL) {
707                 /*
708                  * should probably be done by a virtual function,
709                  * the folder knows the ui string and how to abbrev
710                 */
711                 if (!item->parent) {
712                         name = g_strconcat(item->name, " (", item->folder->class->uistr, ")", NULL);
713                 } else {
714                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
715                             item->path && !strcmp2(item->name, item->path))
716                                 name = get_abbrev_newsgroup_name
717                                         (item->path,
718                                          prefs_common.ng_abbrev_len);
719                         else
720                                 name = g_strdup(item->name);
721                 }
722         }
723
724         if (name == NULL)
725                 name = g_strdup("");
726
727         return name;
728 }
729
730 Folder *folder_get_default_folder(void)
731 {
732         return folder_list ? FOLDER(folder_list->data) : NULL;
733 }
734
735 FolderItem *folder_get_default_inbox(void)
736 {
737         Folder *folder;
738
739         if (!folder_list) return NULL;
740         folder = FOLDER(folder_list->data);
741         g_return_val_if_fail(folder != NULL, NULL);
742         return folder->inbox;
743 }
744
745 FolderItem *folder_get_default_outbox(void)
746 {
747         Folder *folder;
748
749         if (!folder_list) return NULL;
750         folder = FOLDER(folder_list->data);
751         g_return_val_if_fail(folder != NULL, NULL);
752         return folder->outbox;
753 }
754
755 FolderItem *folder_get_default_draft(void)
756 {
757         Folder *folder;
758
759         if (!folder_list) return NULL;
760         folder = FOLDER(folder_list->data);
761         g_return_val_if_fail(folder != NULL, NULL);
762         return folder->draft;
763 }
764
765 FolderItem *folder_get_default_queue(void)
766 {
767         Folder *folder;
768
769         if (!folder_list) return NULL;
770         folder = FOLDER(folder_list->data);
771         g_return_val_if_fail(folder != NULL, NULL);
772         return folder->queue;
773 }
774
775 FolderItem *folder_get_default_trash(void)
776 {
777         Folder *folder;
778
779         if (!folder_list) return NULL;
780         folder = FOLDER(folder_list->data);
781         g_return_val_if_fail(folder != NULL, NULL);
782         return folder->trash;
783 }
784
785 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
786 {                                                               \
787         if (!folder->member) {                                  \
788                 item = folder_item_new(folder, dir, dir);       \
789                 item->stype = type;                             \
790                 folder_item_append(rootitem, item);             \
791                 folder->member = item;                          \
792         }                                                       \
793 }
794
795 void folder_set_missing_folders(void)
796 {
797         Folder *folder;
798         FolderItem *rootitem;
799         FolderItem *item;
800         GList *list;
801
802         for (list = folder_list; list != NULL; list = list->next) {
803                 folder = list->data;
804                 if (FOLDER_TYPE(folder) != F_MH) continue;
805                 rootitem = FOLDER_ITEM(folder->node->data);
806                 g_return_if_fail(rootitem != NULL);
807
808                 if (folder->inbox && folder->outbox && folder->draft &&
809                     folder->queue && folder->trash)
810                         continue;
811
812                 if (folder->class->create_tree(folder) < 0) {
813                         g_warning("%s: can't create the folder tree.\n",
814                                   LOCAL_FOLDER(folder)->rootpath);
815                         continue;
816                 }
817
818                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
819                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
820                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
821                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
822                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
823         }
824 }
825
826 static gboolean folder_unref_account_func(GNode *node, gpointer data)
827 {
828         FolderItem *item = node->data;
829         PrefsAccount *account = data;
830
831         if (item->account == account)
832                 item->account = NULL;
833
834         return FALSE;
835 }
836
837 void folder_unref_account_all(PrefsAccount *account)
838 {
839         Folder *folder;
840         GList *list;
841
842         if (!account) return;
843
844         for (list = folder_list; list != NULL; list = list->next) {
845                 folder = list->data;
846                 if (folder->account == account)
847                         folder->account = NULL;
848                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
849                                 folder_unref_account_func, account);
850         }
851 }
852
853 #undef CREATE_FOLDER_IF_NOT_EXIST
854
855 gchar *folder_get_path(Folder *folder)
856 {
857         gchar *path;
858
859         g_return_val_if_fail(folder != NULL, NULL);
860
861         switch(FOLDER_TYPE(folder)) {
862
863                 case F_MH:
864                         path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
865                         break;
866
867                 case F_IMAP:
868                         g_return_val_if_fail(folder->account != NULL, NULL);
869                         path = g_strconcat(get_imap_cache_dir(),
870                                            G_DIR_SEPARATOR_S,
871                                            folder->account->recv_server,
872                                            G_DIR_SEPARATOR_S,
873                                            folder->account->userid,
874                                            NULL);
875                         break;
876
877                 case F_NEWS:
878                         g_return_val_if_fail(folder->account != NULL, NULL);
879                         path = g_strconcat(get_news_cache_dir(),
880                                            G_DIR_SEPARATOR_S,
881                                            folder->account->nntp_server,
882                                            NULL);
883                         break;
884
885                 default:
886                         path = NULL;
887                         break;
888         }
889         
890         return path;
891 }
892
893 gchar *folder_item_get_path(FolderItem *item)
894 {
895         gchar *folder_path;
896         gchar *path;
897
898         g_return_val_if_fail(item != NULL, NULL);
899
900         if(FOLDER_TYPE(item->folder) != F_MBOX) {
901                 folder_path = folder_get_path(item->folder);
902                 g_return_val_if_fail(folder_path != NULL, NULL);
903
904                 if (folder_path[0] == G_DIR_SEPARATOR) {
905                         if (item->path)
906                                 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
907                                                    item->path, NULL);
908                         else
909                                 path = g_strdup(folder_path);
910                 } else {
911                         if (item->path)
912                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
913                                                    folder_path, G_DIR_SEPARATOR_S,
914                                                    item->path, NULL);
915                         else
916                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
917                                                    folder_path, NULL);
918                 }
919
920                 g_free(folder_path);
921         } else {
922                 gchar *itempath;
923
924                 itempath = mbox_get_virtual_path(item);
925                 if (itempath == NULL)
926                         return NULL;
927                 path = g_strconcat(get_mbox_cache_dir(),
928                                           G_DIR_SEPARATOR_S, itempath, NULL);
929                 g_free(itempath);
930         }
931         return path;
932 }
933
934 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
935 {
936         if (!(dest->stype == F_OUTBOX ||
937               dest->stype == F_QUEUE  ||
938               dest->stype == F_DRAFT  ||
939               dest->stype == F_TRASH)) {
940                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
941         } else {
942                 flags->perm_flags = 0;
943         }
944         flags->tmp_flags = MSG_CACHED;
945         if (FOLDER_TYPE(dest->folder) == F_MH) {
946                 if (dest->stype == F_QUEUE) {
947                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
948                 } else if (dest->stype == F_DRAFT) {
949                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
950                 }
951         }
952 }
953
954 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
955 {
956         MsgInfo *msginfo_a = (MsgInfo *) a;
957         MsgInfo *msginfo_b = (MsgInfo *) b;
958
959         return (msginfo_a->msgnum - msginfo_b->msgnum);
960 }
961
962 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
963 {
964         guint gint_a = GPOINTER_TO_INT(a);
965         guint gint_b = GPOINTER_TO_INT(b);
966         
967         return (gint_a - gint_b);
968 }
969
970 gint folder_item_open(FolderItem *item)
971 {
972         if(((FOLDER_TYPE(item->folder) == F_IMAP) && !item->no_select) || (FOLDER_TYPE(item->folder) == F_NEWS)) {
973                 folder_item_scan(item);
974         }
975
976         /* Processing */
977         if(item->prefs->processing != NULL) {
978                 gchar *buf;
979                 
980                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
981                 debug_print("%s\n", buf);
982                 g_free(buf);
983         
984                 folder_item_apply_processing(item);
985
986                 debug_print("done.\n");
987         }
988
989         return 0;
990 }
991
992 void folder_item_close(FolderItem *item)
993 {
994         GSList *mlist, *cur;
995         
996         g_return_if_fail(item != NULL);
997
998         if (item->new) {
999                 mlist = folder_item_get_msg_list(item);
1000                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1001                         MsgInfo * msginfo;
1002
1003                         msginfo = (MsgInfo *) cur->data;
1004                         if (MSG_IS_NEW(msginfo->flags))
1005                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1006                         procmsg_msginfo_free(msginfo);
1007                 }
1008                 g_slist_free(mlist);
1009         }               
1010
1011         folder_item_write_cache(item);
1012         
1013         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1014 }
1015
1016 gint folder_item_scan(FolderItem *item)
1017 {
1018         Folder *folder;
1019         GSList *folder_list = NULL, *cache_list = NULL;
1020         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1021         GSList *exists_list = NULL, *elem;
1022         GSList *newmsg_list = NULL;
1023         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1024         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1025         gboolean update_flags = 0;
1026     
1027         g_return_val_if_fail(item != NULL, -1);
1028         if (item->path == NULL) return -1;
1029
1030         folder = item->folder;
1031
1032         g_return_val_if_fail(folder != NULL, -1);
1033         g_return_val_if_fail(folder->class->get_num_list != NULL, -1);
1034
1035         debug_print("Scanning folder %s for cache changes.\n", item->path);
1036
1037         /* Get list of messages for folder and cache */
1038         if (folder->class->get_num_list(item->folder, item, &folder_list) < 0) {
1039                 debug_print("Error fetching list of message numbers\n");
1040                 return(-1);
1041         }
1042
1043         if (!folder->class->check_msgnum_validity || 
1044             folder->class->check_msgnum_validity(folder, item)) {
1045                 if (!item->cache)
1046                         folder_item_read_cache(item);
1047                 cache_list = msgcache_get_msg_list(item->cache);
1048         } else {
1049                 if (item->cache)
1050                         msgcache_destroy(item->cache);
1051                 item->cache = msgcache_new();
1052                 cache_list = NULL;
1053         }
1054
1055         /* Sort both lists */
1056         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1057         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1058
1059         cache_list_cur = cache_list;
1060         folder_list_cur = folder_list;
1061
1062         if (cache_list_cur != NULL) {
1063                 GSList *cache_list_last;
1064         
1065                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1066                 cache_list_last = g_slist_last(cache_list);
1067                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1068         } else {
1069                 cache_cur_num = G_MAXINT;
1070                 cache_max_num = 0;
1071         }
1072
1073         if (folder_list_cur != NULL) {
1074                 GSList *folder_list_last;
1075         
1076                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1077                 folder_list_last = g_slist_last(folder_list);
1078                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1079         } else {
1080                 folder_cur_num = G_MAXINT;
1081                 folder_max_num = 0;
1082         }
1083
1084         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1085                 /*
1086                  *  Message only exists in the folder
1087                  *  Remember message for fetching
1088                  */
1089                 if (folder_cur_num < cache_cur_num) {
1090                         gboolean add = FALSE;
1091
1092                         switch(FOLDER_TYPE(folder)) {
1093                                 case F_NEWS:
1094                                         if (folder_cur_num < cache_max_num)
1095                                                 break;
1096                                         
1097                                         if (folder->account->max_articles == 0) {
1098                                                 add = TRUE;
1099                                         }
1100
1101                                         if (folder_max_num <= folder->account->max_articles) {
1102                                                 add = TRUE;
1103                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1104                                                 add = TRUE;
1105                                         }
1106                                         break;
1107                                 default:
1108                                         add = TRUE;
1109                                         break;
1110                         }
1111                         
1112                         if (add) {
1113                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1114                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1115                         }
1116
1117                         /* Move to next folder number */
1118                         folder_list_cur = folder_list_cur->next;
1119
1120                         if (folder_list_cur != NULL)
1121                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1122                         else
1123                                 folder_cur_num = G_MAXINT;
1124
1125                         continue;
1126                 }
1127
1128                 /*
1129                  *  Message only exists in the cache
1130                  *  Remove the message from the cache
1131                  */
1132                 if (cache_cur_num < folder_cur_num) {
1133                         msgcache_remove_msg(item->cache, cache_cur_num);
1134                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1135
1136                         /* Move to next cache number */
1137                         cache_list_cur = cache_list_cur->next;
1138
1139                         if (cache_list_cur != NULL)
1140                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1141                         else
1142                                 cache_cur_num = G_MAXINT;
1143
1144                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1145
1146                         continue;
1147                 }
1148
1149                 /*
1150                  *  Message number exists in folder and cache!
1151                  *  Check if the message has been modified
1152                  */
1153                 if (cache_cur_num == folder_cur_num) {
1154                         MsgInfo *msginfo;
1155
1156                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1157                         if (folder->class->is_msg_changed && folder->class->is_msg_changed(folder, item, msginfo)) {
1158                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1159                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1160                                 procmsg_msginfo_free(msginfo);
1161
1162                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1163                         } else
1164                                 exists_list = g_slist_prepend(exists_list, msginfo);
1165
1166                         /* Move to next folder and cache number */
1167                         cache_list_cur = cache_list_cur->next;
1168                         folder_list_cur = folder_list_cur->next;
1169
1170                         if (cache_list_cur != NULL)
1171                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1172                         else
1173                                 cache_cur_num = G_MAXINT;
1174
1175                         if (folder_list_cur != NULL)
1176                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1177                         else
1178                                 folder_cur_num = G_MAXINT;
1179
1180                         continue;
1181                 }
1182         }
1183         
1184         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1185                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1186
1187         g_slist_free(cache_list);
1188         g_slist_free(folder_list);
1189
1190         if (new_list != NULL) {
1191                 if (folder->class->get_msginfos) {
1192                         newmsg_list = folder->class->get_msginfos(folder, item, new_list);
1193                 } else if (folder->class->get_msginfo) {
1194                         GSList *elem;
1195         
1196                         for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1197                                 MsgInfo *msginfo;
1198                                 guint num;
1199
1200                                 num = GPOINTER_TO_INT(elem->data);
1201                                 msginfo = folder->class->get_msginfo(folder, item, num);
1202                                 if (msginfo != NULL) {
1203                                         newmsg_list = g_slist_prepend(newmsg_list, msginfo);
1204                                         debug_print("Added newly found message %d to cache.\n", num);
1205                                 }
1206                         }
1207                 }
1208                 g_slist_free(new_list);
1209         }
1210
1211         if (newmsg_list != NULL) {
1212                 GSList *elem;
1213
1214                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem))
1215                         msgcache_add_msg(item->cache, elem->data);
1216
1217                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1218                 
1219                 exists_list = g_slist_concat(exists_list, newmsg_list);
1220         }
1221
1222         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1223                 MsgInfo *msginfo;
1224
1225                 msginfo = elem->data;
1226                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1227                         newcnt++;
1228                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1229                         unreadcnt++;
1230                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1231                         unreadmarkedcnt++;
1232                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD))
1233                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1234                 totalcnt++;
1235
1236                 procmsg_msginfo_free(msginfo);
1237         }
1238         g_slist_free(exists_list);
1239
1240         item->new = newcnt;
1241         item->unread = unreadcnt;
1242         item->total = totalcnt;
1243         item->unreadmarked = unreadmarkedcnt;
1244
1245         update_flags |= F_ITEM_UPDATE_MSGCNT;
1246
1247         folder_item_update(item, update_flags);
1248
1249         return 0;
1250 }
1251
1252 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1253                                           gpointer data)
1254 {
1255         folder_item_scan(FOLDER_ITEM(key));
1256 }
1257
1258 void folder_item_scan_foreach(GHashTable *table)
1259 {
1260         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1261 }
1262
1263 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1264 {
1265         gint *memusage = (gint *)data;
1266
1267         if (item->cache == NULL)
1268                 return;
1269         
1270         *memusage += msgcache_get_memory_usage(item->cache);
1271 }
1272
1273 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1274 {
1275         FolderItem *fa = (FolderItem *)a;
1276         FolderItem *fb = (FolderItem *)b;
1277         
1278         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1279 }
1280
1281 void folder_find_expired_caches(FolderItem *item, gpointer data)
1282 {
1283         GSList **folder_item_list = (GSList **)data;
1284         gint difftime, expiretime;
1285         
1286         if (item->cache == NULL)
1287                 return;
1288
1289         if (item->opened > 0)
1290                 return;
1291
1292         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1293         expiretime = prefs_common.cache_min_keep_time * 60;
1294         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1295         if (difftime > expiretime) {
1296                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1297         }
1298 }
1299
1300 void folder_item_free_cache(FolderItem *item)
1301 {
1302         g_return_if_fail(item != NULL);
1303         
1304         if (item->cache == NULL)
1305                 return;
1306         
1307         if (item->opened > 0)
1308                 return;
1309
1310         folder_item_write_cache(item);
1311         msgcache_destroy(item->cache);
1312         item->cache = NULL;
1313 }
1314
1315 void folder_clean_cache_memory()
1316 {
1317         gint memusage = 0;
1318
1319         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);       
1320         debug_print("Total cache memory usage: %d\n", memusage);
1321         
1322         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1323                 GSList *folder_item_list = NULL, *listitem;
1324                 
1325                 debug_print("Trying to free cache memory\n");
1326
1327                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);      
1328                 listitem = folder_item_list;
1329                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1330                         FolderItem *item = (FolderItem *)(listitem->data);
1331
1332                         debug_print("Freeing cache memory for %s\n", item->path);
1333                         memusage -= msgcache_get_memory_usage(item->cache);
1334                         folder_item_free_cache(item);
1335                         listitem = listitem->next;
1336                 }
1337                 g_slist_free(folder_item_list);
1338         }
1339 }
1340
1341 void folder_item_read_cache(FolderItem *item)
1342 {
1343         gchar *cache_file, *mark_file;
1344         
1345         g_return_if_fail(item != NULL);
1346
1347         cache_file = folder_item_get_cache_file(item);
1348         mark_file = folder_item_get_mark_file(item);
1349         item->cache = msgcache_read_cache(item, cache_file);
1350         if (!item->cache) {
1351                 item->cache = msgcache_new();
1352                 folder_item_scan(item);
1353         }
1354         msgcache_read_mark(item->cache, mark_file);
1355         g_free(cache_file);
1356         g_free(mark_file);
1357
1358         folder_clean_cache_memory();
1359 }
1360
1361 void folder_item_write_cache(FolderItem *item)
1362 {
1363         gchar *cache_file, *mark_file;
1364         PrefsFolderItem *prefs;
1365         gint filemode = 0;
1366         gchar *id;
1367         
1368         if (!item || !item->path || !item->cache)
1369                 return;
1370
1371         id = folder_item_get_identifier(item);
1372         debug_print("Save cache for folder %s\n", id);
1373         g_free(id);
1374
1375         cache_file = folder_item_get_cache_file(item);
1376         mark_file = folder_item_get_mark_file(item);
1377         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1378                 prefs = item->prefs;
1379                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1380                         /* for cache file */
1381                         filemode = prefs->folder_chmod;
1382                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1383                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1384                         chmod(cache_file, filemode);
1385                 }
1386         }
1387
1388         g_free(cache_file);
1389         g_free(mark_file);
1390 }
1391
1392 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
1393 {
1394         Folder *folder;
1395         MsgInfo *msginfo;
1396         
1397         g_return_val_if_fail(item != NULL, NULL);
1398         
1399         folder = item->folder;
1400         if (!item->cache)
1401                 folder_item_read_cache(item);
1402         
1403         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1404                 return msginfo;
1405         
1406         g_return_val_if_fail(folder->class->get_msginfo, NULL);
1407         if ((msginfo = folder->class->get_msginfo(folder, item, num)) != NULL) {
1408                 msgcache_add_msg(item->cache, msginfo);
1409                 return msginfo;
1410         }
1411         
1412         return NULL;
1413 }
1414
1415 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
1416 {
1417         Folder *folder;
1418         MsgInfo *msginfo;
1419         
1420         g_return_val_if_fail(item != NULL, NULL);
1421         
1422         folder = item->folder;
1423         if (!item->cache)
1424                 folder_item_read_cache(item);
1425         
1426         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1427                 return msginfo;
1428
1429         return NULL;
1430 }
1431
1432 GSList *folder_item_get_msg_list(FolderItem *item)
1433 {
1434         g_return_val_if_fail(item != NULL, NULL);
1435         
1436         if (item->cache == 0)
1437                 folder_item_read_cache(item);
1438
1439         g_return_val_if_fail(item->cache != NULL, NULL);
1440         
1441         return msgcache_get_msg_list(item->cache);
1442 }
1443
1444 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1445 {
1446         Folder *folder;
1447
1448         g_return_val_if_fail(item != NULL, NULL);
1449
1450         folder = item->folder;
1451
1452         g_return_val_if_fail(folder->class->fetch_msg != NULL, NULL);
1453
1454         return folder->class->fetch_msg(folder, item, num);
1455 }
1456
1457 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
1458 {
1459         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
1460                                        {NULL,           NULL, FALSE}};
1461         FILE *fp;
1462         MsgInfo *msginfo;
1463         gint msgnum = 0;
1464         gchar buf[BUFFSIZE];
1465
1466         if ((fp = fopen(file, "rb")) == NULL)
1467                 return 0;
1468
1469         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
1470                 while (fgets(buf, sizeof(buf), fp) != NULL)
1471                         if (buf[0] == '\r' || buf[0] == '\n') break;
1472
1473         procheader_get_header_fields(fp, hentry);
1474         if (hentry[0].body) {
1475                 extract_parenthesis(hentry[0].body, '<', '>');
1476                 remove_space(hentry[0].body);
1477                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
1478                         msgnum = msginfo->msgnum;
1479                         procmsg_msginfo_free(msginfo);
1480
1481                         debug_print("found message as uid %d\n", msgnum);
1482                 }
1483         }
1484         
1485         g_free(hentry[0].body);
1486         hentry[0].body = NULL;
1487         fclose(fp);
1488
1489         return msgnum;
1490 }
1491
1492 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1493                          gboolean remove_source)
1494 {
1495         Folder *folder;
1496         gint num;
1497         MsgInfo *msginfo;
1498
1499         g_return_val_if_fail(dest != NULL, -1);
1500         g_return_val_if_fail(file != NULL, -1);
1501
1502         folder = dest->folder;
1503
1504         g_return_val_if_fail(folder->class->add_msg != NULL, -1);
1505
1506         if (!dest->cache)
1507                 folder_item_read_cache(dest);
1508
1509         num = folder->class->add_msg(folder, dest, file, FALSE);
1510
1511         if (num > 0) {
1512                 msginfo = folder->class->get_msginfo(folder, dest, num);
1513
1514                 if (msginfo != NULL) {
1515                         if (MSG_IS_NEW(msginfo->flags))
1516                                 dest->new++;
1517                         if (MSG_IS_UNREAD(msginfo->flags))
1518                                 dest->unread++;
1519                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1520                                 dest->unreadmarked++;
1521                         if (procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD))
1522                                 procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1523                         dest->total++;
1524
1525                         msgcache_add_msg(dest->cache, msginfo);
1526                         procmsg_msginfo_free(msginfo);
1527
1528                         folder_item_update(dest, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1529                 }
1530
1531                 dest->last_num = num;
1532         } else if (num == 0) {
1533                 folder_item_scan(dest);
1534                 num = folder_item_get_msg_num_by_file(dest, file);
1535         }
1536
1537         if (num >= 0 && remove_source) {
1538                 if (unlink(file) < 0)
1539                         FILE_OP_ERROR(file, "unlink");
1540         }
1541
1542         return num;
1543 }
1544
1545 /*
1546 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1547 {
1548         Folder *folder;
1549         gint num;
1550
1551         g_return_val_if_fail(dest != NULL, -1);
1552         g_return_val_if_fail(msginfo != NULL, -1);
1553
1554         folder = dest->folder;
1555         if (dest->last_num < 0) folder->scan(folder, dest);
1556
1557         num = folder->move_msg(folder, dest, msginfo);
1558         if (num > 0) dest->last_num = num;
1559
1560         return num;
1561 }
1562 */
1563                 
1564 FolderItem *folder_item_move_recursive (FolderItem *src, FolderItem *dest) 
1565 {
1566         GSList *mlist;
1567         GSList *cur;
1568         FolderItem *new_item;
1569         FolderItem *next_item;
1570         GNode *srcnode;
1571         int cnt = 0;
1572         gchar *old_id, *new_id;
1573
1574         mlist = folder_item_get_msg_list(src);
1575
1576         /* move messages */
1577         debug_print("Moving %s to %s\n", src->path, dest->path);
1578         new_item = folder_create_folder(dest, g_basename(src->path));
1579         if (new_item == NULL) {
1580                 printf("Can't create folder\n");
1581                 return NULL;
1582         }
1583         
1584         if (new_item->folder == NULL)
1585                 new_item->folder = dest->folder;
1586
1587         /* move messages */
1588         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1589                 MsgInfo * msginfo;
1590                 cnt++;
1591                 if (cnt%500)
1592                         log_message(_("Moving %s to %s (%d%%)...\n"), src->name, 
1593                                         new_item->path,
1594                                         100*cnt/g_slist_length(mlist));
1595                 msginfo = (MsgInfo *) cur->data;
1596                 folder_item_move_msg(new_item, msginfo);
1597
1598                 procmsg_msginfo_free(msginfo);
1599         }
1600         
1601         /*copy prefs*/
1602         prefs_folder_item_copy_prefs(src, new_item);
1603         new_item->collapsed = src->collapsed;
1604         new_item->thread_collapsed = src->thread_collapsed;
1605         new_item->threaded  = src->threaded;
1606         new_item->ret_rcpt  = src->ret_rcpt;
1607         new_item->hide_read_msgs = src->hide_read_msgs;
1608         new_item->sort_key  = src->sort_key;
1609         new_item->sort_type = src->sort_type;
1610
1611         prefs_matcher_write_config();
1612         
1613         /* recurse */
1614         srcnode = src->folder->node;    
1615         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1616         srcnode = srcnode->children;
1617         while (srcnode != NULL) {
1618                 if (srcnode && srcnode->data) {
1619                         next_item = (FolderItem*) srcnode->data;
1620                         srcnode = srcnode->next;
1621                         if (folder_item_move_recursive(next_item, new_item) == NULL)
1622                                 return NULL;
1623                 }
1624         }
1625         old_id = folder_item_get_identifier(src);
1626         new_id = folder_item_get_identifier(new_item);
1627         debug_print("updating rules : %s => %s\n", old_id, new_id);
1628         
1629         src->folder->class->remove_folder(src->folder, src);
1630         folder_write_list();
1631
1632         if (old_id != NULL && new_id != NULL)
1633                 prefs_filtering_rename_path(old_id, new_id);
1634         g_free(old_id);
1635         g_free(new_id);
1636
1637         return new_item;
1638 }
1639
1640 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
1641 {
1642         FolderItem *tmp = dest->parent;
1643         gchar * src_identifier, * dst_identifier;
1644         gchar * phys_srcpath, * phys_dstpath;
1645         GNode *src_node;
1646         
1647         while (tmp) {
1648                 if (tmp == src) {
1649                         return F_MOVE_FAILED_DEST_IS_CHILD;
1650                 }
1651                 tmp = tmp->parent;
1652         }
1653         
1654         tmp = src->parent;
1655         
1656         src_identifier = folder_item_get_identifier(src);
1657         dst_identifier = folder_item_get_identifier(dest);
1658         
1659         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
1660                 /* dest can be a root folder */
1661                 dst_identifier = folder_get_identifier(dest->folder);
1662         }
1663         if (src_identifier == NULL || dst_identifier == NULL) {
1664                 printf("Can't get identifiers\n");
1665                 return F_MOVE_FAILED;
1666         }
1667
1668         if (src->folder != dest->folder) {
1669                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
1670         }
1671
1672         phys_srcpath = folder_item_get_path(src);
1673         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
1674
1675         if (src->parent == dest || src == dest) {
1676                 g_free(src_identifier);
1677                 g_free(dst_identifier);
1678                 g_free(phys_srcpath);
1679                 g_free(phys_dstpath);
1680                 return F_MOVE_FAILED_DEST_IS_PARENT;
1681         }
1682         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1683         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
1684                 return F_MOVE_FAILED;
1685         }
1686         
1687         /* update rules */
1688         src_node = g_node_find(src->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1689         if (src_node) 
1690                 g_node_destroy(src_node);
1691         else
1692                 debug_print("can't remove node: it's null!\n");
1693         /* not to much worry if remove fails, move has been done */
1694         
1695         g_free(src_identifier);
1696         g_free(dst_identifier);
1697         g_free(phys_srcpath);
1698         g_free(phys_dstpath);
1699
1700         *new_item = tmp;
1701
1702         return F_MOVE_OK;
1703 }
1704
1705 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1706 {
1707         GSList *list = NULL;
1708         gint ret;
1709
1710         list = g_slist_append(list, msginfo);
1711         ret = folder_item_move_msgs_with_dest(dest, list);
1712         g_slist_free(list);
1713         
1714         return ret;
1715 }
1716
1717 /*
1718 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1719 {
1720         Folder *folder;
1721         gint num;
1722
1723         g_return_val_if_fail(dest != NULL, -1);
1724         g_return_val_if_fail(msglist != NULL, -1);
1725
1726         folder = dest->folder;
1727         if (dest->last_num < 0) folder->scan(folder, dest);
1728
1729         num = folder->move_msgs_with_dest(folder, dest, msglist);
1730         if (num > 0) dest->last_num = num;
1731         else dest->op_count = 0;
1732
1733         return num;
1734 }
1735 */
1736
1737 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1738 {
1739         Folder *folder;
1740         FolderItem *item;
1741         GSList *newmsgnums = NULL;
1742         GSList *l, *l2;
1743         gint num, lastnum = -1;
1744         gboolean folderscan = FALSE;
1745
1746         g_return_val_if_fail(dest != NULL, -1);
1747         g_return_val_if_fail(msglist != NULL, -1);
1748
1749         folder = dest->folder;
1750
1751         g_return_val_if_fail(folder->class->copy_msg != NULL, -1);
1752         g_return_val_if_fail(folder->class->remove_msg != NULL, -1);
1753
1754         /* 
1755          * Copy messages to destination folder and 
1756          * store new message numbers in newmsgnums
1757          */
1758         item = NULL;
1759         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1760                 MsgInfo * msginfo = (MsgInfo *) l->data;
1761
1762                 if (!item && msginfo->folder != NULL)
1763                         item = msginfo->folder;
1764
1765                 num = folder->class->copy_msg(folder, dest, msginfo);
1766                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1767         }
1768
1769         /* Read cache for dest folder */
1770         if (!dest->cache) folder_item_read_cache(dest);
1771
1772         /* 
1773          * Fetch new MsgInfos for new messages in dest folder,
1774          * add them to the msgcache and update folder message counts
1775          */
1776         l2 = newmsgnums;
1777         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1778                 MsgInfo *msginfo = (MsgInfo *) l->data;
1779
1780                 num = GPOINTER_TO_INT(l2->data);
1781                 l2 = g_slist_next(l2);
1782
1783                 if (num >= 0) {
1784                         MsgInfo *newmsginfo;
1785
1786                         if (num == 0) {
1787                                 gchar *file;
1788
1789                                 if (!folderscan) {
1790                                         folder_item_scan(dest);
1791                                         folderscan = TRUE;
1792                                 }
1793                                 file = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
1794                                 num = folder_item_get_msg_num_by_file(dest, file);
1795                                 g_free(file);
1796                         }
1797
1798                         if (num > lastnum)
1799                                 lastnum = num;
1800
1801                         if (num == 0)
1802                                 continue;
1803
1804                         if (!folderscan) {
1805                                 newmsginfo = folder->class->get_msginfo(folder, dest, num);
1806                                 if (newmsginfo) {
1807                                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1808                                         if (dest->stype == F_OUTBOX ||
1809                                             dest->stype == F_QUEUE  ||
1810                                             dest->stype == F_DRAFT  ||
1811                                             dest->stype == F_TRASH)
1812                                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1813                                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1814                                         msgcache_add_msg(dest->cache, newmsginfo);
1815
1816                                         if (MSG_IS_NEW(newmsginfo->flags))
1817                                                 dest->new++;
1818                                         if (MSG_IS_UNREAD(newmsginfo->flags))
1819                                                 dest->unread++;
1820                                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1821                                                 dest->unreadmarked++;
1822                                         if (procmsg_msg_has_flagged_parent(newmsginfo, MSG_IGNORE_THREAD))
1823                                                 procmsg_msginfo_set_flags(newmsginfo, MSG_IGNORE_THREAD, 0);
1824                                         dest->total++;
1825                                         folder_item_update(dest, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1826
1827                                         procmsg_msginfo_free(newmsginfo);
1828                                 }
1829                         } else {
1830                                 newmsginfo = msgcache_get_msg(dest->cache, num);
1831                                 procmsg_msginfo_unset_flags(newmsginfo, ~0, ~0);
1832                                 procmsg_msginfo_set_flags(newmsginfo, msginfo->flags.perm_flags, 0);
1833                         }
1834                 }
1835         }
1836
1837         /*
1838          * Remove source messages from their folders if
1839          * copying was successfull and update folder
1840          * message counts
1841          */
1842         l2 = newmsgnums;
1843         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1844                 MsgInfo *msginfo = (MsgInfo *) l->data;
1845
1846                 num = GPOINTER_TO_INT(l2->data);
1847                 l2 = g_slist_next(l2);
1848                 
1849                 if (num >= 0) {
1850                         item->folder->class->remove_msg(item->folder,
1851                                                         msginfo->folder,
1852                                                         msginfo->msgnum);
1853                         if (!item->cache)
1854                                 folder_item_read_cache(item);
1855                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1856
1857                         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1858                                 msginfo->folder->new--;
1859                         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1860                                 msginfo->folder->unread--;
1861                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1862                                 msginfo->folder->unreadmarked--;
1863                         msginfo->folder->total--;                       
1864                         folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1865                 }
1866         }
1867
1868
1869         if (folder->class->finished_copy)
1870                 folder->class->finished_copy(folder, dest);
1871
1872         g_slist_free(newmsgnums);
1873         return lastnum;
1874 }
1875
1876 /*
1877 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1878 {
1879         Folder *folder;
1880         gint num;
1881
1882         g_return_val_if_fail(dest != NULL, -1);
1883         g_return_val_if_fail(msginfo != NULL, -1);
1884
1885         folder = dest->folder;
1886         if (dest->last_num < 0) folder->scan(folder, dest);
1887
1888         num = folder->copy_msg(folder, dest, msginfo);
1889         if (num > 0) dest->last_num = num;
1890
1891         return num;
1892 }
1893 */
1894
1895 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1896 {
1897         GSList *list = NULL;
1898         gint ret;
1899
1900         list = g_slist_append(list, msginfo);
1901         ret = folder_item_copy_msgs_with_dest(dest, list);
1902         g_slist_free(list);
1903         
1904         return ret;
1905 }
1906
1907 /*
1908 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1909 {
1910         Folder *folder;
1911         gint num;
1912
1913         g_return_val_if_fail(dest != NULL, -1);
1914         g_return_val_if_fail(msglist != NULL, -1);
1915
1916         folder = dest->folder;
1917         if (dest->last_num < 0) folder->scan(folder, dest);
1918
1919         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1920         if (num > 0) dest->last_num = num;
1921         else dest->op_count = 0;
1922
1923         return num;
1924 }
1925 */
1926
1927 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1928 {
1929         Folder *folder;
1930         gint num, lastnum = -1;
1931         GSList *newmsgnums = NULL;
1932         GSList *l, *l2;
1933         gboolean folderscan = FALSE;
1934
1935         g_return_val_if_fail(dest != NULL, -1);
1936         g_return_val_if_fail(msglist != NULL, -1);
1937
1938         folder = dest->folder;
1939  
1940         g_return_val_if_fail(folder->class->copy_msg != NULL, -1);
1941
1942         /* 
1943          * Copy messages to destination folder and 
1944          * store new message numbers in newmsgnums
1945          */
1946         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1947                 MsgInfo * msginfo = (MsgInfo *) l->data;
1948
1949                 num = folder->class->copy_msg(folder, dest, msginfo);
1950                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1951         }
1952
1953         /* Read cache for dest folder */
1954         if (!dest->cache) folder_item_read_cache(dest);
1955
1956         /* 
1957          * Fetch new MsgInfos for new messages in dest folder,
1958          * add them to the msgcache and update folder message counts
1959          */
1960         l2 = newmsgnums;
1961         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1962                 MsgInfo *msginfo = (MsgInfo *) l->data;
1963
1964                 num = GPOINTER_TO_INT(l2->data);
1965                 l2 = g_slist_next(l2);
1966
1967                 if (num >= 0) {
1968                         MsgInfo *newmsginfo;
1969
1970                         if (num == 0) {
1971                                 gchar *file;
1972
1973                                 if (!folderscan) {
1974                                         folder_item_scan(dest);
1975                                         folderscan = TRUE;
1976                                 }
1977                                 file = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
1978                                 num = folder_item_get_msg_num_by_file(dest, file);
1979                                 g_free(file);
1980                         }
1981         
1982                         if (num > lastnum)
1983                                 lastnum = num;
1984
1985                         if (num == 0)
1986                                 continue;
1987
1988                         if (!folderscan) {
1989                                 newmsginfo = folder->class->get_msginfo(folder, dest, num);
1990                                 if (newmsginfo) {
1991                                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1992                                         if (dest->stype == F_OUTBOX ||
1993                                             dest->stype == F_QUEUE  ||
1994                                             dest->stype == F_DRAFT  ||
1995                                             dest->stype == F_TRASH)
1996                                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1997                                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1998                                         msgcache_add_msg(dest->cache, newmsginfo);
1999
2000                                         if (MSG_IS_NEW(newmsginfo->flags))
2001                                                 dest->new++;
2002                                         if (MSG_IS_UNREAD(newmsginfo->flags))
2003                                                 dest->unread++;
2004                                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2005                                                 dest->unreadmarked++;
2006                                         if (procmsg_msg_has_flagged_parent(newmsginfo, MSG_IGNORE_THREAD))
2007                                                 procmsg_msginfo_set_flags(newmsginfo, MSG_IGNORE_THREAD, 0);
2008                                         dest->total++;
2009                                         folder_item_update(dest, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2010
2011                                         procmsg_msginfo_free(newmsginfo);
2012                                 }
2013                         } else {
2014                                 newmsginfo = msgcache_get_msg(dest->cache, num);
2015                                 procmsg_msginfo_unset_flags(newmsginfo, ~0, ~0);
2016                                 procmsg_msginfo_set_flags(newmsginfo, msginfo->flags.perm_flags, 0);
2017                         }
2018                 }
2019         }
2020         
2021         if (folder->class->finished_copy)
2022                 folder->class->finished_copy(folder, dest);
2023
2024         g_slist_free(newmsgnums);
2025         return lastnum;
2026 }
2027
2028 gint folder_item_remove_msg(FolderItem *item, gint num)
2029 {
2030         Folder *folder;
2031         gint ret;
2032         MsgInfo *msginfo;
2033
2034         g_return_val_if_fail(item != NULL, -1);
2035
2036         folder = item->folder;
2037         if (!item->cache) folder_item_read_cache(item);
2038
2039         ret = folder->class->remove_msg(folder, item, num);
2040
2041         msginfo = msgcache_get_msg(item->cache, num);
2042         if (msginfo != NULL) {
2043                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2044                         item->new--;
2045                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2046                         item->unread--;
2047                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2048                         item->unreadmarked--;
2049                 procmsg_msginfo_free(msginfo);
2050                 msgcache_remove_msg(item->cache, num);
2051         }
2052         item->total--;
2053         folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2054
2055         return ret;
2056 }
2057
2058 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2059 {
2060         Folder *folder;
2061         gint ret = 0;
2062
2063         g_return_val_if_fail(item != NULL, -1);
2064         folder = item->folder;
2065         g_return_val_if_fail(folder != NULL, -1);
2066
2067         if (!item->cache) folder_item_read_cache(item);
2068
2069         if (folder->class->remove_msgs) {
2070                 ret = folder->class->remove_msgs(folder, item, msglist);
2071                 if (ret == 0)
2072                         folder_item_scan(item);
2073                 return ret;
2074         }
2075
2076         while (msglist != NULL) {
2077                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2078
2079                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2080                 if (ret != 0) break;
2081                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2082                 msglist = msglist->next;
2083         }
2084
2085         return ret;
2086 }
2087
2088 gint folder_item_remove_all_msg(FolderItem *item)
2089 {
2090         Folder *folder;
2091         gint result;
2092
2093         g_return_val_if_fail(item != NULL, -1);
2094
2095         folder = item->folder;
2096
2097         g_return_val_if_fail(folder->class->remove_all_msg != NULL, -1);
2098
2099         result = folder->class->remove_all_msg(folder, item);
2100
2101         if (result == 0) {
2102                 if (folder->class->finished_remove)
2103                         folder->class->finished_remove(folder, item);
2104
2105                 folder_item_free_cache(item);
2106                 item->cache = msgcache_new();
2107
2108                 item->new = 0;
2109                 item->unread = 0;
2110                 item->unreadmarked = 0;
2111                 item->total = 0;
2112                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2113         }
2114
2115         return result;
2116 }
2117
2118 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2119 {
2120         Folder *folder;
2121
2122         g_return_val_if_fail(item != NULL, FALSE);
2123
2124         folder = item->folder;
2125
2126         g_return_val_if_fail(folder->class->is_msg_changed != NULL, -1);
2127
2128         return folder->class->is_msg_changed(folder, item, msginfo);
2129 }
2130
2131 gchar *folder_item_get_cache_file(FolderItem *item)
2132 {
2133         gchar *path;
2134         gchar *file;
2135
2136         g_return_val_if_fail(item != NULL, NULL);
2137         g_return_val_if_fail(item->path != NULL, NULL);
2138
2139         path = folder_item_get_path(item);
2140         g_return_val_if_fail(path != NULL, NULL);
2141         if (!is_dir_exist(path))
2142                 make_dir_hier(path);
2143         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2144         g_free(path);
2145
2146         return file;
2147 }
2148
2149 gchar *folder_item_get_mark_file(FolderItem *item)
2150 {
2151         gchar *path;
2152         gchar *file;
2153
2154         g_return_val_if_fail(item != NULL, NULL);
2155         g_return_val_if_fail(item->path != NULL, NULL);
2156
2157         path = folder_item_get_path(item);
2158         g_return_val_if_fail(path != NULL, NULL);
2159         if (!is_dir_exist(path))
2160                 make_dir_hier(path);
2161         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2162         g_free(path);
2163
2164         return file;
2165 }
2166
2167 static gboolean folder_build_tree(GNode *node, gpointer data)
2168 {
2169         Folder *folder = FOLDER(data);
2170         FolderItem *item;
2171         XMLNode *xmlnode;
2172         GList *list;
2173         SpecialFolderItemType stype = F_NORMAL;
2174         const gchar *name = NULL;
2175         const gchar *path = NULL;
2176         PrefsAccount *account = NULL;
2177         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE, 
2178                  threaded = TRUE, apply_sub = FALSE;
2179         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE,
2180                  thread_collapsed = FALSE; /* CLAWS */
2181         FolderSortKey sort_key = SORT_BY_NONE;
2182         FolderSortType sort_type = SORT_ASCENDING;
2183         gint new = 0, unread = 0, total = 0, unreadmarked = 0;
2184         time_t mtime = 0;
2185
2186         g_return_val_if_fail(node->data != NULL, FALSE);
2187         if (!node->parent) return FALSE;
2188
2189         xmlnode = node->data;
2190         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2191                 g_warning("tag name != \"folderitem\"\n");
2192                 return FALSE;
2193         }
2194
2195         list = xmlnode->tag->attr;
2196         for (; list != NULL; list = list->next) {
2197                 XMLAttr *attr = list->data;
2198
2199                 if (!attr || !attr->name || !attr->value) continue;
2200                 if (!strcmp(attr->name, "type")) {
2201                         if (!strcasecmp(attr->value, "normal"))
2202                                 stype = F_NORMAL;
2203                         else if (!strcasecmp(attr->value, "inbox"))
2204                                 stype = F_INBOX;
2205                         else if (!strcasecmp(attr->value, "outbox"))
2206                                 stype = F_OUTBOX;
2207                         else if (!strcasecmp(attr->value, "draft"))
2208                                 stype = F_DRAFT;
2209                         else if (!strcasecmp(attr->value, "queue"))
2210                                 stype = F_QUEUE;
2211                         else if (!strcasecmp(attr->value, "trash"))
2212                                 stype = F_TRASH;
2213                 } else if (!strcmp(attr->name, "name"))
2214                         name = attr->value;
2215                 else if (!strcmp(attr->name, "path"))
2216                         path = attr->value;
2217                 else if (!strcmp(attr->name, "mtime"))
2218                         mtime = strtoul(attr->value, NULL, 10);
2219                 else if (!strcmp(attr->name, "new"))
2220                         new = atoi(attr->value);
2221                 else if (!strcmp(attr->name, "unread"))
2222                         unread = atoi(attr->value);
2223                 else if (!strcmp(attr->name, "unreadmarked"))
2224                         unreadmarked = atoi(attr->value);
2225                 else if (!strcmp(attr->name, "total"))
2226                         total = atoi(attr->value);
2227                 else if (!strcmp(attr->name, "no_sub"))
2228                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2229                 else if (!strcmp(attr->name, "no_select"))
2230                         no_select = *attr->value == '1' ? TRUE : FALSE;
2231                 else if (!strcmp(attr->name, "collapsed"))
2232                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2233                 else if (!strcmp(attr->name, "thread_collapsed"))
2234                         thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
2235                 else if (!strcmp(attr->name, "threaded"))
2236                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2237                 else if (!strcmp(attr->name, "hidereadmsgs"))
2238                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2239                 else if (!strcmp(attr->name, "reqretrcpt"))
2240                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2241                 else if (!strcmp(attr->name, "sort_key")) {
2242                         if (!strcmp(attr->value, "none"))
2243                                 sort_key = SORT_BY_NONE;
2244                         else if (!strcmp(attr->value, "number"))
2245                                 sort_key = SORT_BY_NUMBER;
2246                         else if (!strcmp(attr->value, "size"))
2247                                 sort_key = SORT_BY_SIZE;
2248                         else if (!strcmp(attr->value, "date"))
2249                                 sort_key = SORT_BY_DATE;
2250                         else if (!strcmp(attr->value, "from"))
2251                                 sort_key = SORT_BY_FROM;
2252                         else if (!strcmp(attr->value, "subject"))
2253                                 sort_key = SORT_BY_SUBJECT;
2254                         else if (!strcmp(attr->value, "score"))
2255                                 sort_key = SORT_BY_SCORE;
2256                         else if (!strcmp(attr->value, "label"))
2257                                 sort_key = SORT_BY_LABEL;
2258                         else if (!strcmp(attr->value, "mark"))
2259                                 sort_key = SORT_BY_MARK;
2260                         else if (!strcmp(attr->value, "unread"))
2261                                 sort_key = SORT_BY_STATUS;
2262                         else if (!strcmp(attr->value, "mime"))
2263                                 sort_key = SORT_BY_MIME;
2264                         else if (!strcmp(attr->value, "to"))
2265                                 sort_key = SORT_BY_TO;
2266                         else if (!strcmp(attr->value, "locked"))
2267                                 sort_key = SORT_BY_LOCKED;
2268                 } else if (!strcmp(attr->name, "sort_type")) {
2269                         if (!strcmp(attr->value, "ascending"))
2270                                 sort_type = SORT_ASCENDING;
2271                         else
2272                                 sort_type = SORT_DESCENDING;
2273                 } else if (!strcmp(attr->name, "account_id")) {
2274                         account = account_find_from_id(atoi(attr->value));
2275                         if (!account) g_warning("account_id: %s not found\n",
2276                                                 attr->value);
2277                 } else if (!strcmp(attr->name, "apply_sub"))
2278                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2279         }
2280
2281         item = folder_item_new(folder, name, path);
2282         item->stype = stype;
2283         item->mtime = mtime;
2284         item->new = new;
2285         item->unread = unread;
2286         item->unreadmarked = unreadmarked;
2287         item->total = total;
2288         item->no_sub = no_sub;
2289         item->no_select = no_select;
2290         item->collapsed = collapsed;
2291         item->thread_collapsed = thread_collapsed;
2292         item->threaded  = threaded;
2293         item->hide_read_msgs  = hidereadmsgs;
2294         item->ret_rcpt  = ret_rcpt;
2295         item->sort_key  = sort_key;
2296         item->sort_type = sort_type;
2297         item->parent = FOLDER_ITEM(node->parent->data);
2298         item->folder = folder;
2299         switch (stype) {
2300         case F_INBOX:  folder->inbox  = item; break;
2301         case F_OUTBOX: folder->outbox = item; break;
2302         case F_DRAFT:  folder->draft  = item; break;
2303         case F_QUEUE:  folder->queue  = item; break;
2304         case F_TRASH:  folder->trash  = item; break;
2305         default:       break;
2306         }
2307         item->account = account;
2308         item->apply_sub = apply_sub;
2309         prefs_folder_item_read_config(item);
2310
2311         node->data = item;
2312         xml_free_node(xmlnode);
2313
2314         return FALSE;
2315 }
2316
2317 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2318 {
2319         Folder *folder;
2320         XMLNode *xmlnode;
2321         GList *list;
2322         FolderClass *class = NULL;
2323         const gchar *name = NULL;
2324         const gchar *path = NULL;
2325         PrefsAccount *account = NULL;
2326         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2327         gboolean ret_rcpt = FALSE, thread_collapsed = FALSE; /* CLAWS */
2328
2329         if (g_node_depth(node) != 2) return FALSE;
2330         g_return_val_if_fail(node->data != NULL, FALSE);
2331
2332         xmlnode = node->data;
2333         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2334                 g_warning("tag name != \"folder\"\n");
2335                 return TRUE;
2336         }
2337         g_node_unlink(node);
2338         list = xmlnode->tag->attr;
2339         for (; list != NULL; list = list->next) {
2340                 XMLAttr *attr = list->data;
2341
2342                 if (!attr || !attr->name || !attr->value) continue;
2343                 if (!strcmp(attr->name, "type"))
2344                         class = folder_get_class_from_string(attr->value);
2345                 else if (!strcmp(attr->name, "name"))
2346                         name = attr->value;
2347                 else if (!strcmp(attr->name, "path"))
2348                         path = attr->value;
2349                 else if (!strcmp(attr->name, "collapsed"))
2350                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2351                 else if (!strcmp(attr->name, "thread_collapsed"))
2352                         thread_collapsed = *attr->value == '1' ? TRUE : FALSE;
2353                 else if (!strcmp(attr->name, "threaded"))
2354                         threaded = *attr->value == '1' ? TRUE : FALSE;
2355                 else if (!strcmp(attr->name, "account_id")) {
2356                         account = account_find_from_id(atoi(attr->value));
2357                         if (!account) g_warning("account_id: %s not found\n",
2358                                                 attr->value);
2359                 } else if (!strcmp(attr->name, "apply_sub"))
2360                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2361                 else if (!strcmp(attr->name, "reqretrcpt"))
2362                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2363         }
2364
2365         folder = folder_new(class, name, path);
2366         g_return_val_if_fail(folder != NULL, FALSE);
2367         folder->account = account;
2368         if (account != NULL)
2369                 account->folder = REMOTE_FOLDER(folder);
2370         node->data = folder->node->data;
2371         g_node_destroy(folder->node);
2372         folder->node = node;
2373         folder_add(folder);
2374         FOLDER_ITEM(node->data)->collapsed = collapsed;
2375         FOLDER_ITEM(node->data)->thread_collapsed = thread_collapsed;
2376         FOLDER_ITEM(node->data)->threaded  = threaded;
2377         FOLDER_ITEM(node->data)->account   = account;
2378         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2379         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2380
2381         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2382                         folder_build_tree, folder);
2383
2384         return FALSE;
2385 }
2386
2387 static gchar *folder_get_list_path(void)
2388 {
2389         static gchar *filename = NULL;
2390
2391         if (!filename)
2392                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2393                                         FOLDER_LIST, NULL);
2394
2395         return filename;
2396 }
2397
2398 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2399 {                                                       \
2400         fputs(" " attr "=\"", fp);                      \
2401         xml_file_put_escape_str(fp, str);               \
2402         fputs("\"", fp);                                \
2403 }
2404
2405 static void folder_write_list_recursive(GNode *node, gpointer data)
2406 {
2407         FILE *fp = (FILE *)data;
2408         FolderItem *item;
2409         gint i, depth;
2410         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2411                                                  "draft", "queue", "trash"};
2412         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2413                                         "from", "subject", "score", "label",
2414                                         "mark", "unread", "mime", "to", 
2415                                         "locked"};
2416         g_return_if_fail(node != NULL);
2417         g_return_if_fail(fp != NULL);
2418
2419         item = FOLDER_ITEM(node->data);
2420         g_return_if_fail(item != NULL);
2421
2422         depth = g_node_depth(node);
2423         for (i = 0; i < depth; i++)
2424                 fputs("    ", fp);
2425         if (depth == 1) {
2426                 Folder *folder = item->folder;
2427
2428                 fprintf(fp, "<folder type=\"%s\"", folder->class->idstr);
2429                 if (folder->name)
2430                         PUT_ESCAPE_STR(fp, "name", folder->name);
2431                 if (FOLDER_TYPE(folder) == F_MH || FOLDER_TYPE(folder) == F_MBOX)
2432                         PUT_ESCAPE_STR(fp, "path",
2433                                        LOCAL_FOLDER(folder)->rootpath);
2434                 if (item->collapsed && node->children)
2435                         fputs(" collapsed=\"1\"", fp);
2436                 if (folder->account)
2437                         fprintf(fp, " account_id=\"%d\"",
2438                                 folder->account->account_id);
2439                 if (item->apply_sub)
2440                         fputs(" apply_sub=\"1\"", fp);
2441                 if (item->ret_rcpt) 
2442                         fputs(" reqretrcpt=\"1\"", fp);
2443         } else {
2444                 fprintf(fp, "<folderitem type=\"%s\"",
2445                         folder_item_stype_str[item->stype]);
2446                 if (item->name)
2447                         PUT_ESCAPE_STR(fp, "name", item->name);
2448                 if (item->path)
2449                         PUT_ESCAPE_STR(fp, "path", item->path);
2450
2451                 if (item->no_sub)
2452                         fputs(" no_sub=\"1\"", fp);
2453                 if (item->no_select)
2454                         fputs(" no_select=\"1\"", fp);
2455                 if (item->collapsed && node->children)
2456                         fputs(" collapsed=\"1\"", fp);
2457                 else
2458                         fputs(" collapsed=\"0\"", fp);
2459                 if (item->thread_collapsed)
2460                         fputs(" thread_collapsed=\"1\"", fp);
2461                 else
2462                         fputs(" thread_collapsed=\"0\"", fp);
2463                 if (item->threaded)
2464                         fputs(" threaded=\"1\"", fp);
2465                 else
2466                         fputs(" threaded=\"0\"", fp);
2467                 if (item->hide_read_msgs)
2468                         fputs(" hidereadmsgs=\"1\"", fp);
2469                 else
2470                         fputs(" hidereadmsgs=\"0\"", fp);
2471                 if (item->ret_rcpt)
2472                         fputs(" reqretrcpt=\"1\"", fp);
2473
2474                 if (item->sort_key != SORT_BY_NONE) {
2475                         fprintf(fp, " sort_key=\"%s\"",
2476                                 sort_key_str[item->sort_key]);
2477                         if (item->sort_type == SORT_ASCENDING)
2478                                 fprintf(fp, " sort_type=\"ascending\"");
2479                         else
2480                                 fprintf(fp, " sort_type=\"descending\"");
2481                 }
2482
2483                 fprintf(fp,
2484                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" unreadmarked=\"%d\" total=\"%d\"",
2485                         item->mtime, item->new, item->unread, item->unreadmarked, item->total);
2486
2487                 if (item->account)
2488                         fprintf(fp, " account_id=\"%d\"",
2489                                 item->account->account_id);
2490                 if (item->apply_sub)
2491                         fputs(" apply_sub=\"1\"", fp);
2492         }
2493
2494         if (node->children) {
2495                 GNode *child;
2496                 fputs(">\n", fp);
2497
2498                 child = node->children;
2499                 while (child) {
2500                         GNode *cur;
2501
2502                         cur = child;
2503                         child = cur->next;
2504                         folder_write_list_recursive(cur, data);
2505                 }
2506
2507                 for (i = 0; i < depth; i++)
2508                         fputs("    ", fp);
2509                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2510         } else
2511                 fputs(" />\n", fp);
2512 }
2513
2514 static void folder_update_op_count_rec(GNode *node)
2515 {
2516         FolderItem *fitem = FOLDER_ITEM(node->data);
2517
2518         if (g_node_depth(node) > 0) {
2519                 if (fitem->op_count > 0) {
2520                         fitem->op_count = 0;
2521                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
2522                 }
2523                 if (node->children) {
2524                         GNode *child;
2525
2526                         child = node->children;
2527                         while (child) {
2528                                 GNode *cur;
2529
2530                                 cur = child;
2531                                 child = cur->next;
2532                                 folder_update_op_count_rec(cur);
2533                         }
2534                 }
2535         }
2536 }
2537
2538 void folder_update_op_count() {
2539         GList *cur;
2540         Folder *folder;
2541
2542         for (cur = folder_list; cur != NULL; cur = cur->next) {
2543                 folder = cur->data;
2544                 folder_update_op_count_rec(folder->node);
2545         }
2546 }
2547
2548 typedef struct _type_str {
2549         gchar * str;
2550         gint type;
2551 } type_str;
2552
2553
2554 /*
2555 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2556 {
2557         if (item->parent != NULL) {
2558                 gchar * path;
2559                 gchar * id;
2560
2561                 path = folder_item_get_tree_identifier(item->parent);
2562                 if (path == NULL)
2563                         return NULL;
2564
2565                 id = g_strconcat(path, "/", item->name, NULL);
2566                 g_free(path);
2567
2568                 return id;
2569         }
2570         else {
2571                 return g_strconcat("/", item->name, NULL);
2572         }
2573 }
2574 */
2575
2576 /* CLAWS: temporary local folder for filtering */
2577 static Folder *processing_folder;
2578 static FolderItem *processing_folder_item;
2579
2580 static void folder_create_processing_folder(void)
2581 {
2582 #define PROCESSING_FOLDER ".processing" 
2583         Folder     *tmpparent;
2584         gchar      *tmpname;
2585
2586         tmpparent = folder_get_default_folder();
2587         g_assert(tmpparent);
2588         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2589         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2590                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2591                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2592                                       NULL);
2593         else
2594                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2595                                       LOCAL_FOLDER(tmpparent)->rootpath,
2596                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2597                                       NULL);
2598
2599         processing_folder = folder_new(mh_get_class(), "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2600         g_assert(processing_folder);
2601
2602         if (!is_dir_exist(tmpname)) {
2603                 debug_print("*TMP* creating %s\n", tmpname);
2604                 processing_folder_item = processing_folder->class->create_folder(processing_folder,
2605                                                                                  processing_folder->node->data,
2606                                                                                  PROCESSING_FOLDER);
2607                 g_assert(processing_folder_item);                                                                         
2608         }
2609         else {
2610                 debug_print("*TMP* already created\n");
2611                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2612                 g_assert(processing_folder_item);
2613                 folder_item_append(processing_folder->node->data, processing_folder_item);
2614         }
2615         g_free(tmpname);
2616 }
2617
2618 FolderItem *folder_get_default_processing(void)
2619 {
2620         if (!processing_folder_item) {
2621                 folder_create_processing_folder();
2622         }
2623         return processing_folder_item;
2624 }
2625
2626 /* folder_persist_prefs_new() - return hash table with persistent
2627  * settings (and folder name as key). 
2628  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2629  * file, so those don't need to be included in PersistPref yet) 
2630  */
2631 GHashTable *folder_persist_prefs_new(Folder *folder)
2632 {
2633         GHashTable *pptable;
2634
2635         g_return_val_if_fail(folder, NULL);
2636         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2637         folder_get_persist_prefs_recursive(folder->node, pptable);
2638         return pptable;
2639 }
2640
2641 void folder_persist_prefs_free(GHashTable *pptable)
2642 {
2643         g_return_if_fail(pptable);
2644         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2645         g_hash_table_destroy(pptable);
2646 }
2647
2648 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2649 {
2650         if (pptable == NULL || name == NULL) return NULL;
2651         return g_hash_table_lookup(pptable, name);
2652 }
2653
2654 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2655 {
2656         const PersistPrefs *pp;
2657         gchar *id = folder_item_get_identifier(item);
2658
2659         pp = folder_get_persist_prefs(pptable, id); 
2660         g_free(id);
2661
2662         if (!pp) return;
2663
2664         /* CLAWS: since not all folder properties have been migrated to 
2665          * folderlist.xml, we need to call the old stuff first before
2666          * setting things that apply both to Main and Claws. */
2667         prefs_folder_item_read_config(item); 
2668          
2669         item->collapsed = pp->collapsed;
2670         item->thread_collapsed = pp->thread_collapsed;
2671         item->threaded  = pp->threaded;
2672         item->ret_rcpt  = pp->ret_rcpt;
2673         item->hide_read_msgs = pp->hide_read_msgs;
2674         item->sort_key  = pp->sort_key;
2675         item->sort_type = pp->sort_type;
2676 }
2677
2678 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2679 {
2680         FolderItem *item = FOLDER_ITEM(node->data);
2681         PersistPrefs *pp;
2682         GNode *child, *cur;
2683         gchar *id;
2684
2685         g_return_if_fail(node != NULL);
2686         g_return_if_fail(item != NULL);
2687
2688         /* NOTE: item->path == NULL means top level folder; not interesting
2689          * to store preferences of that one.  */
2690         if (item->path) {
2691                 id = folder_item_get_identifier(item);
2692                 pp = g_new0(PersistPrefs, 1);
2693                 g_return_if_fail(pp != NULL);
2694                 pp->collapsed = item->collapsed;
2695                 pp->thread_collapsed = item->thread_collapsed;
2696                 pp->threaded  = item->threaded;
2697                 pp->ret_rcpt  = item->ret_rcpt; 
2698                 pp->hide_read_msgs = item->hide_read_msgs;
2699                 pp->sort_key  = item->sort_key;
2700                 pp->sort_type = item->sort_type;
2701                 g_hash_table_insert(pptable, id, pp);
2702         }
2703
2704         if (node->children) {
2705                 child = node->children;
2706                 while (child) {
2707                         cur = child;
2708                         child = cur->next;
2709                         folder_get_persist_prefs_recursive(cur, pptable);
2710                 }
2711         }       
2712 }
2713
2714 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2715 {
2716         if (key) 
2717                 g_free(key);
2718         if (val) 
2719                 g_free(val);
2720         return TRUE;    
2721 }
2722
2723 void folder_item_apply_processing(FolderItem *item)
2724 {
2725         GSList *processing_list;
2726         GSList *mlist, *cur;
2727         
2728         g_return_if_fail(item != NULL);
2729         
2730         processing_list = item->prefs->processing;
2731         if (processing_list == NULL)
2732                 return;
2733
2734         folder_item_update_freeze();
2735
2736         mlist = folder_item_get_msg_list(item);
2737         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2738                 MsgInfo * msginfo;
2739
2740                 msginfo = (MsgInfo *) cur->data;
2741                 filter_message_by_msginfo(processing_list, msginfo);
2742                 procmsg_msginfo_free(msginfo);
2743         }
2744         g_slist_free(mlist);
2745
2746         folder_item_update_thaw();
2747 }
2748
2749 /*
2750  *  functions for handling FolderItem content changes
2751  */
2752 static gint folder_item_update_freeze_cnt = 0;
2753
2754 /**
2755  * Notify the folder system about changes to a folder. If the
2756  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
2757  * be invoked, otherwise the changes will be remebered until
2758  * the folder system is thawed.
2759  *
2760  * \param item The FolderItem that was changed
2761  * \param update_flags Type of changed that was made
2762  */
2763 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
2764 {
2765         if (folder_item_update_freeze_cnt == 0) {
2766                 FolderItemUpdateData source;
2767         
2768                 source.item = item;
2769                 source.update_flags = update_flags;
2770                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2771         } else {
2772                 item->update_flags |= update_flags;
2773         }
2774 }
2775
2776 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
2777 {
2778         GNode *node = item->folder->node;       
2779
2780         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2781         node = node->children;
2782
2783         folder_item_update(item, update_flags);
2784         while (node != NULL) {
2785                 if (node && node->data) {
2786                         FolderItem *next_item = (FolderItem*) node->data;
2787
2788                         folder_item_update(next_item, update_flags);
2789                 }
2790                 node = node->next;
2791         }
2792 }
2793
2794 void folder_item_update_freeze()
2795 {
2796         folder_item_update_freeze_cnt++;
2797 }
2798
2799 static void folder_item_update_func(FolderItem *item, gpointer data)
2800 {
2801         FolderItemUpdateData source;
2802     
2803         if (item->update_flags) {
2804                 source.item = item;
2805                 source.update_flags = item->update_flags;
2806                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);                             
2807                 item->update_flags = 0;
2808         }
2809 }
2810
2811 void folder_item_update_thaw()
2812 {
2813         if (folder_item_update_freeze_cnt > 0)
2814                 folder_item_update_freeze_cnt--;
2815         if (folder_item_update_freeze_cnt == 0) {
2816                 /* Update all folders */
2817                 folder_func_to_all_folders(folder_item_update_func, NULL);
2818         }
2819 }
2820
2821 #undef PUT_ESCAPE_STR