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.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 "statusbar.h"
  51
  52 /* Dependecies to be removed ?! */
  53 #include "prefs_common.h"
  54 #include "prefs_account.h"
  55 #include "prefs_folder_item.h"
  56
  57 static GList *folder_list = NULL;
  58
  59 static void folder_init         (Folder         *folder,
  60                                  const gchar    *name);
  61
  62 static gboolean folder_read_folder_func (GNode          *node,
  63                                          gpointer        data);
  64 static gchar *folder_get_list_path      (void);
  65 static void folder_write_list_recursive (GNode          *node,
  66                                          gpointer        data);
  67 static void folder_update_op_count_rec  (GNode          *node);
  68
  69
  70 static void folder_get_persist_prefs_recursive
  71                                         (GNode *node, GHashTable *pptable);
  72 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  73 void folder_item_read_cache             (FolderItem *item);
  74 void folder_item_free_cache             (FolderItem *item);
  75
  76 Folder *folder_new(FolderType type, const gchar *name, const gchar *path)
  77 {
  78         Folder *folder = NULL;
  79         FolderItem *item;
  80
  81         name = name ? name : path;
  82         switch (type) {
  83         case F_MBOX:
  84                 folder = mbox_folder_new(name, path);
  85                 break;
  86         case F_MH:
  87                 folder = mh_folder_new(name, path);
  88                 break;
  89         case F_IMAP:
  90                 folder = imap_folder_new(name, path);
  91                 break;
  92         case F_NEWS:
  93                 folder = news_folder_new(name, path);
  94                 break;
  95         default:
  96                 return NULL;
  97         }
  98
  99         /* Create root folder item */
 100         item = folder_item_new(folder, name, NULL);
 101         item->folder = folder;
 102         folder->node = g_node_new(item);
 103         folder->data = NULL;
 104
 105         return folder;
 106 }
 107
 108 static void folder_init(Folder *folder, const gchar *name)
 109 {
 110         g_return_if_fail(folder != NULL);
 111
 112         folder_set_name(folder, name);
 113
 114         /* Init folder data */
 115         folder->account = NULL;
 116         folder->inbox = NULL;
 117         folder->outbox = NULL;
 118         folder->draft = NULL;
 119         folder->queue = NULL;
 120         folder->trash = NULL;
 121
 122         /* Init Folder functions */
 123         folder->item_new = NULL;
 124         folder->item_destroy = NULL;
 125         folder->fetch_msg = NULL;
 126         folder->fetch_msginfo = NULL;
 127         folder->fetch_msginfos = NULL;
 128         folder->get_num_list = NULL;
 129         folder->ui_func = NULL;
 130         folder->ui_func_data = NULL;
 131         folder->change_flags = NULL;
 132         folder->check_msgnum_validity = NULL;
 133 }
 134
 135 void folder_local_folder_init(Folder *folder, const gchar *name,
 136                               const gchar *path)
 137 {
 138         folder_init(folder, name);
 139         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
 140 }
 141
 142 void folder_remote_folder_init(Folder *folder, const gchar *name,
 143                                const gchar *path)
 144 {
 145         folder_init(folder, name);
 146         REMOTE_FOLDER(folder)->session = NULL;
 147 }
 148
 149 void folder_destroy(Folder *folder)
 150 {
 151         g_return_if_fail(folder != NULL);
 152         g_return_if_fail(folder->destroy != NULL);
 153
 154         folder->destroy(folder);
 155
 156         folder_list = g_list_remove(folder_list, folder);
 157
 158         folder_tree_destroy(folder);
 159         g_free(folder->name);
 160         g_free(folder);
 161 }
 162
 163 void folder_local_folder_destroy(LocalFolder *lfolder)
 164 {
 165         g_return_if_fail(lfolder != NULL);
 166
 167         g_free(lfolder->rootpath);
 168 }
 169
 170 void folder_remote_folder_destroy(RemoteFolder *rfolder)
 171 {
 172         g_return_if_fail(rfolder != NULL);
 173
 174         if (rfolder->session)
 175                 session_destroy(rfolder->session);
 176 }
 177
 178 #if 0
 179 Folder *mbox_folder_new(const gchar *name, const gchar *path)
 180 {
 181         /* not yet implemented */
 182         return NULL;
 183 }
 184
 185 Folder *maildir_folder_new(const gchar *name, const gchar *path)
 186 {
 187         /* not yet implemented */
 188         return NULL;
 189 }
 190 #endif
 191
 192 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 193 {
 194         FolderItem *item = NULL;
 195
 196         if (folder->item_new) {
 197                 item = folder->item_new(folder);
 198         } else {
 199                 item = g_new0(FolderItem, 1);
 200         }
 201
 202         g_return_val_if_fail(item != NULL, NULL);
 203
 204         item->stype = F_NORMAL;
 205         item->name = g_strdup(name);
 206         item->path = g_strdup(path);
 207         item->mtime = 0;
 208         item->new = 0;
 209         item->unread = 0;
 210         item->total = 0;
 211         item->last_num = -1;
 212         item->cache = NULL;
 213         item->no_sub = FALSE;
 214         item->no_select = FALSE;
 215         item->collapsed = FALSE;
 216         item->threaded  = TRUE;
 217         item->ret_rcpt  = FALSE;
 218         item->opened    = FALSE;
 219         item->parent = NULL;
 220         item->folder = NULL;
 221         item->account = NULL;
 222         item->apply_sub = FALSE;
 223         item->mark_queue = NULL;
 224         item->data = NULL;
 225
 226         item->prefs = prefs_folder_item_new();
 227
 228         return item;
 229 }
 230
 231 void folder_item_append(FolderItem *parent, FolderItem *item)
 232 {
 233         GNode *node;
 234
 235         g_return_if_fail(parent != NULL);
 236         g_return_if_fail(parent->folder != NULL);
 237         g_return_if_fail(item != NULL);
 238
 239         node = parent->folder->node;
 240         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 241         g_return_if_fail(node != NULL);
 242
 243         item->parent = parent;
 244         item->folder = parent->folder;
 245         g_node_append_data(node, item);
 246 }
 247
 248 void folder_item_remove(FolderItem *item)
 249 {
 250         GNode *node;
 251
 252         g_return_if_fail(item != NULL);
 253         g_return_if_fail(item->folder != NULL);
 254
 255         node = item->folder->node;
 256         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 257         g_return_if_fail(node != NULL);
 258
 259         /* TODO: free all FolderItem's first */
 260         if (item->folder->node == node)
 261                 item->folder->node = NULL;
 262         g_node_destroy(node);
 263 }
 264
 265 void folder_item_destroy(FolderItem *item)
 266 {
 267         g_return_if_fail(item != NULL);
 268
 269         debug_print("Destroying folder item %s\n", item->path);
 270
 271         if (item->cache)
 272                 folder_item_free_cache(item);
 273         g_free(item->name);
 274         g_free(item->path);
 275
 276         if (item->folder != NULL) {
 277                 if(item->folder->item_destroy) {
 278                         item->folder->item_destroy(item->folder, item);
 279                 } else {
 280                         g_free(item);
 281                 }
 282         }
 283 }
 284
 285 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 286 {
 287         g_return_if_fail(folder != NULL);
 288
 289         folder->ui_func = func;
 290         folder->ui_func_data = data;
 291 }
 292
 293 void folder_set_name(Folder *folder, const gchar *name)
 294 {
 295         g_return_if_fail(folder != NULL);
 296
 297         g_free(folder->name);
 298         folder->name = name ? g_strdup(name) : NULL;
 299         if (folder->node && folder->node->data) {
 300                 FolderItem *item = (FolderItem *)folder->node->data;
 301
 302                 g_free(item->name);
 303                 item->name = name ? g_strdup(name) : NULL;
 304         }
 305 }
 306
 307 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 308         FolderItem *item = (FolderItem *) node->data;
 309
 310         folder_item_destroy(item);
 311         return FALSE;
 312 }
 313
 314 void folder_tree_destroy(Folder *folder)
 315 {
 316         g_return_if_fail(folder != NULL);
 317         g_return_if_fail(folder->node != NULL);
 318
 319         prefs_scoring_clear();
 320         prefs_filtering_clear();
 321
 322         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 323         if (folder->node)
 324                 g_node_destroy(folder->node);
 325
 326         folder->inbox = NULL;
 327         folder->outbox = NULL;
 328         folder->draft = NULL;
 329         folder->queue = NULL;
 330         folder->trash = NULL;
 331         folder->node = NULL;
 332 }
 333
 334 void folder_add(Folder *folder)
 335 {
 336         Folder *cur_folder;
 337         GList *cur;
 338         gint i;
 339
 340         g_return_if_fail(folder != NULL);
 341
 342         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 343                 cur_folder = FOLDER(cur->data);
 344                 if (folder->type == F_MH) {
 345                         if (cur_folder->type != F_MH) break;
 346                 } else if (folder->type == F_MBOX) {
 347                         if (cur_folder->type != F_MH &&
 348                             cur_folder->type != F_MBOX) break;
 349                 } else if (folder->type == F_IMAP) {
 350                         if (cur_folder->type != F_MH &&
 351                             cur_folder->type != F_MBOX &&
 352                             cur_folder->type != F_IMAP) break;
 353                 } else if (folder->type == F_NEWS) {
 354                         if (cur_folder->type != F_MH &&
 355                             cur_folder->type != F_MBOX &&
 356                             cur_folder->type != F_IMAP &&
 357                             cur_folder->type != F_NEWS) break;
 358                 }
 359         }
 360
 361         folder_list = g_list_insert(folder_list, folder, i);
 362 }
 363
 364 GList *folder_get_list(void)
 365 {
 366         return folder_list;
 367 }
 368
 369 gint folder_read_list(void)
 370 {
 371         GNode *node;
 372         XMLNode *xmlnode;
 373         gchar *path;
 374
 375         path = folder_get_list_path();
 376         if (!is_file_exist(path)) return -1;
 377         node = xml_parse_file(path);
 378         if (!node) return -1;
 379
 380         xmlnode = node->data;
 381         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 382                 g_warning("wrong folder list\n");
 383                 xml_free_tree(node);
 384                 return -1;
 385         }
 386
 387         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 388                         folder_read_folder_func, NULL);
 389
 390         xml_free_tree(node);
 391         if (folder_list)
 392                 return 0;
 393         else
 394                 return -1;
 395 }
 396
 397 void folder_write_list(void)
 398 {
 399         GList *list;
 400         Folder *folder;
 401         gchar *path;
 402         PrefFile *pfile;
 403
 404         path = folder_get_list_path();
 405         if ((pfile = prefs_write_open(path)) == NULL) return;
 406
 407         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 408                 conv_get_current_charset_str());
 409         fputs("\n<folderlist>\n", pfile->fp);
 410
 411         for (list = folder_list; list != NULL; list = list->next) {
 412                 folder = list->data;
 413                 folder_write_list_recursive(folder->node, pfile->fp);
 414         }
 415
 416         fputs("</folderlist>\n", pfile->fp);
 417
 418         if (prefs_write_close(pfile) < 0)
 419                 g_warning("failed to write folder list.\n");
 420 }
 421
 422 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 423 {
 424         GHashTable *pptable = (GHashTable *)data;
 425         FolderItem *item = (FolderItem *)node->data;
 426
 427         folder_item_restore_persist_prefs(item, pptable);
 428
 429         return FALSE;
 430 }
 431
 432 void folder_scan_tree(Folder *folder)
 433 {
 434         GHashTable *pptable;
 435
 436         if (!folder->scan_tree)
 437                 return;
 438
 439         pptable = folder_persist_prefs_new(folder);
 440         folder_tree_destroy(folder);
 441
 442         folder->scan_tree(folder);
 443
 444         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 445         folder_persist_prefs_free(pptable);
 446
 447         prefs_matcher_read_config();
 448
 449         folder_write_list();
 450 }
 451
 452 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 453 {
 454         FolderItem *new_item;
 455
 456         new_item = parent->folder->create_folder(parent->folder, parent, name);
 457         if (new_item)
 458                 new_item->cache = msgcache_new();
 459
 460         return new_item;
 461 }
 462
 463 struct TotalMsgCount
 464 {
 465         guint new;
 466         guint unread;
 467         guint total;
 468 };
 469
 470 struct FuncToAllFoldersData
 471 {
 472         FolderItemFunc  function;
 473         gpointer        data;
 474 };
 475
 476 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 477 {
 478         FolderItem *item;
 479         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 480
 481         g_return_val_if_fail(node->data != NULL, FALSE);
 482
 483         item = FOLDER_ITEM(node->data);
 484         g_return_val_if_fail(item != NULL, FALSE);
 485
 486         function_data->function(item, function_data->data);
 487
 488         return FALSE;
 489 }
 490
 491 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 492 {
 493         GList *list;
 494         Folder *folder;
 495         struct FuncToAllFoldersData function_data;
 496
 497         function_data.function = function;
 498         function_data.data = data;
 499
 500         for (list = folder_list; list != NULL; list = list->next) {
 501                 folder = FOLDER(list->data);
 502                 if (folder->node)
 503                         g_node_traverse(folder->node, G_PRE_ORDER,
 504                                         G_TRAVERSE_ALL, -1,
 505                                         folder_func_to_all_folders_func,
 506                                         &function_data);
 507         }
 508 }
 509
 510 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 511 {
 512         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 513
 514         count->new += item->new;
 515         count->unread += item->unread;
 516         count->total += item->total;
 517 }
 518
 519 void folder_count_total_msgs(guint *new, guint *unread, guint *total)
 520 {
 521         struct TotalMsgCount count;
 522
 523         count.new = count.unread = count.total = 0;
 524
 525         debug_print("Counting total number of messages...\n");
 526
 527         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 528
 529         *new = count.new;
 530         *unread = count.unread;
 531         *total = count.total;
 532 }
 533
 534 Folder *folder_find_from_path(const gchar *path)
 535 {
 536         GList *list;
 537         Folder *folder;
 538
 539         for (list = folder_list; list != NULL; list = list->next) {
 540                 folder = list->data;
 541                 if ((folder->type == F_MH || folder->type == F_MBOX) &&
 542                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 543                         return folder;
 544         }
 545
 546         return NULL;
 547 }
 548
 549 Folder *folder_find_from_name(const gchar *name, FolderType type)
 550 {
 551         GList *list;
 552         Folder *folder;
 553
 554         for (list = folder_list; list != NULL; list = list->next) {
 555                 folder = list->data;
 556                 if (folder->type == type && strcmp2(name, folder->name) == 0)
 557                         return folder;
 558         }
 559
 560         return NULL;
 561 }
 562
 563 static gboolean folder_item_find_func(GNode *node, gpointer data)
 564 {
 565         FolderItem *item = node->data;
 566         gpointer *d = data;
 567         const gchar *path = d[0];
 568
 569         if (path_cmp(path, item->path) != 0)
 570                 return FALSE;
 571
 572         d[1] = item;
 573
 574         return TRUE;
 575 }
 576
 577 FolderItem *folder_find_item_from_path(const gchar *path)
 578 {
 579         Folder *folder;
 580         gpointer d[2];
 581
 582         folder = folder_get_default_folder();
 583         g_return_val_if_fail(folder != NULL, NULL);
 584
 585         d[0] = (gpointer)path;
 586         d[1] = NULL;
 587         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 588                         folder_item_find_func, d);
 589         return d[1];
 590 }
 591
 592 static const struct {
 593         gchar *str;
 594         FolderType type;
 595 } type_str_table[] = {
 596         {"#mh"     , F_MH},
 597         {"#mbox"   , F_MBOX},
 598         {"#maildir", F_MAILDIR},
 599         {"#imap"   , F_IMAP},
 600         {"#news"   , F_NEWS}
 601 };
 602
 603 static gchar *folder_get_type_string(FolderType type)
 604 {
 605         gint i;
 606
 607         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 608              i++) {
 609                 if (type_str_table[i].type == type)
 610                         return type_str_table[i].str;
 611         }
 612
 613         return NULL;
 614 }
 615
 616 static FolderType folder_get_type_from_string(const gchar *str)
 617 {
 618         gint i;
 619
 620         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 621              i++) {
 622                 if (g_strcasecmp(type_str_table[i].str, str) == 0)
 623                         return type_str_table[i].type;
 624         }
 625
 626         return F_UNKNOWN;
 627 }
 628
 629 gchar *folder_get_identifier(Folder *folder)
 630 {
 631         gchar *type_str;
 632
 633         g_return_val_if_fail(folder != NULL, NULL);
 634
 635         type_str = folder_get_type_string(folder->type);
 636         return g_strconcat(type_str, "/", folder->name, NULL);
 637 }
 638
 639 gchar *folder_item_get_identifier(FolderItem *item)
 640 {
 641         gchar *id;
 642         gchar *folder_id;
 643
 644         g_return_val_if_fail(item != NULL, NULL);
 645         g_return_val_if_fail(item->path != NULL, NULL);
 646
 647         folder_id = folder_get_identifier(item->folder);
 648         id = g_strconcat(folder_id, "/", item->path, NULL);
 649         g_free(folder_id);
 650
 651         return id;
 652 }
 653
 654 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 655 {
 656         Folder *folder;
 657         gpointer d[2];
 658         gchar *str;
 659         gchar *p;
 660         gchar *name;
 661         gchar *path;
 662         FolderType type;
 663
 664         g_return_val_if_fail(identifier != NULL, NULL);
 665
 666         if (*identifier != '#')
 667                 return folder_find_item_from_path(identifier);
 668
 669         Xstrdup_a(str, identifier, return NULL);
 670
 671         p = strchr(str, '/');
 672         if (!p)
 673                 return folder_find_item_from_path(identifier);
 674         *p = '\0';
 675         p++;
 676         type = folder_get_type_from_string(str);
 677         if (type == F_UNKNOWN)
 678                 return folder_find_item_from_path(identifier);
 679
 680         name = p;
 681         p = strchr(p, '/');
 682         if (!p)
 683                 return folder_find_item_from_path(identifier);
 684         *p = '\0';
 685         p++;
 686
 687         folder = folder_find_from_name(name, type);
 688         if (!folder)
 689                 return folder_find_item_from_path(identifier);
 690
 691         path = p;
 692
 693         d[0] = (gpointer)path;
 694         d[1] = NULL;
 695         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 696                         folder_item_find_func, d);
 697         return d[1];
 698 }
 699
 700 Folder *folder_get_default_folder(void)
 701 {
 702         return folder_list ? FOLDER(folder_list->data) : NULL;
 703 }
 704
 705 FolderItem *folder_get_default_inbox(void)
 706 {
 707         Folder *folder;
 708
 709         if (!folder_list) return NULL;
 710         folder = FOLDER(folder_list->data);
 711         g_return_val_if_fail(folder != NULL, NULL);
 712         return folder->inbox;
 713 }
 714
 715 FolderItem *folder_get_default_outbox(void)
 716 {
 717         Folder *folder;
 718
 719         if (!folder_list) return NULL;
 720         folder = FOLDER(folder_list->data);
 721         g_return_val_if_fail(folder != NULL, NULL);
 722         return folder->outbox;
 723 }
 724
 725 FolderItem *folder_get_default_draft(void)
 726 {
 727         Folder *folder;
 728
 729         if (!folder_list) return NULL;
 730         folder = FOLDER(folder_list->data);
 731         g_return_val_if_fail(folder != NULL, NULL);
 732         return folder->draft;
 733 }
 734
 735 FolderItem *folder_get_default_queue(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->queue;
 743 }
 744
 745 FolderItem *folder_get_default_trash(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->trash;
 753 }
 754
 755 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 756 {                                                               \
 757         if (!folder->member) {                                  \
 758                 item = folder_item_new(folder, dir, dir);       \
 759                 item->stype = type;                             \
 760                 folder_item_append(rootitem, item);             \
 761                 folder->member = item;                          \
 762         }                                                       \
 763 }
 764
 765 void folder_set_missing_folders(void)
 766 {
 767         Folder *folder;
 768         FolderItem *rootitem;
 769         FolderItem *item;
 770         GList *list;
 771
 772         for (list = folder_list; list != NULL; list = list->next) {
 773                 folder = list->data;
 774                 if (folder->type != F_MH) continue;
 775                 rootitem = FOLDER_ITEM(folder->node->data);
 776                 g_return_if_fail(rootitem != NULL);
 777
 778                 if (folder->inbox && folder->outbox && folder->draft &&
 779                     folder->queue && folder->trash)
 780                         continue;
 781
 782                 if (folder->create_tree(folder) < 0) {
 783                         g_warning("%s: can't create the folder tree.\n",
 784                                   LOCAL_FOLDER(folder)->rootpath);
 785                         continue;
 786                 }
 787
 788                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 789                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 790                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 791                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 792                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 793         }
 794 }
 795
 796 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 797 {
 798         FolderItem *item = node->data;
 799         PrefsAccount *account = data;
 800
 801         if (item->account == account)
 802                 item->account = NULL;
 803
 804         return FALSE;
 805 }
 806
 807 void folder_unref_account_all(PrefsAccount *account)
 808 {
 809         Folder *folder;
 810         GList *list;
 811
 812         if (!account) return;
 813
 814         for (list = folder_list; list != NULL; list = list->next) {
 815                 folder = list->data;
 816                 if (folder->account == account)
 817                         folder->account = NULL;
 818                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 819                                 folder_unref_account_func, account);
 820         }
 821 }
 822
 823 #undef CREATE_FOLDER_IF_NOT_EXIST
 824
 825 gchar *folder_get_path(Folder *folder)
 826 {
 827         gchar *path;
 828
 829         g_return_val_if_fail(folder != NULL, NULL);
 830
 831         switch(FOLDER_TYPE(folder)) {
 832
 833                 case F_MH:
 834                         path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 835                         break;
 836
 837                 case F_IMAP:
 838                         g_return_val_if_fail(folder->account != NULL, NULL);
 839                         path = g_strconcat(get_imap_cache_dir(),
 840                                            G_DIR_SEPARATOR_S,
 841                                            folder->account->recv_server,
 842                                            G_DIR_SEPARATOR_S,
 843                                            folder->account->userid,
 844                                            NULL);
 845                         break;
 846
 847                 case F_NEWS:
 848                         g_return_val_if_fail(folder->account != NULL, NULL);
 849                         path = g_strconcat(get_news_cache_dir(),
 850                                            G_DIR_SEPARATOR_S,
 851                                            folder->account->nntp_server,
 852                                            NULL);
 853                         break;
 854
 855                 default:
 856                         path = NULL;
 857                         break;
 858         }
 859
 860         return path;
 861 }
 862
 863 gchar *folder_item_get_path(FolderItem *item)
 864 {
 865         gchar *folder_path;
 866         gchar *path;
 867
 868         g_return_val_if_fail(item != NULL, NULL);
 869
 870         if(FOLDER_TYPE(item->folder) != F_MBOX) {
 871                 folder_path = folder_get_path(item->folder);
 872                 g_return_val_if_fail(folder_path != NULL, NULL);
 873
 874                 if (folder_path[0] == G_DIR_SEPARATOR) {
 875                         if (item->path)
 876                                 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 877                                                    item->path, NULL);
 878                         else
 879                                 path = g_strdup(folder_path);
 880                 } else {
 881                         if (item->path)
 882                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 883                                                    folder_path, G_DIR_SEPARATOR_S,
 884                                                    item->path, NULL);
 885                         else
 886                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 887                                                    folder_path, NULL);
 888                 }
 889
 890                 g_free(folder_path);
 891         } else {
 892                 gchar *itempath;
 893
 894                 itempath = mbox_get_virtual_path(item);
 895                 if (itempath == NULL)
 896                         return NULL;
 897                 path = g_strconcat(get_mbox_cache_dir(),
 898                                           G_DIR_SEPARATOR_S, itempath, NULL);
 899                 g_free(itempath);
 900         }
 901         return path;
 902 }
 903
 904 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 905 {
 906         if (!(dest->stype == F_OUTBOX ||
 907               dest->stype == F_QUEUE  ||
 908               dest->stype == F_DRAFT  ||
 909               dest->stype == F_TRASH)) {
 910                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 911         } else {
 912                 flags->perm_flags = 0;
 913         }
 914         flags->tmp_flags = MSG_CACHED;
 915         if (dest->folder->type == F_MH) {
 916                 if (dest->stype == F_QUEUE) {
 917                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 918                 } else if (dest->stype == F_DRAFT) {
 919                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 920                 }
 921         } else if (dest->folder->type == F_IMAP) {
 922                 MSG_SET_TMP_FLAGS(*flags, MSG_IMAP);
 923         } else if (dest->folder->type == F_NEWS) {
 924                 MSG_SET_TMP_FLAGS(*flags, MSG_NEWS);
 925         }
 926 }
 927
 928 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 929 {
 930         MsgInfo *msginfo_a = (MsgInfo *) a;
 931         MsgInfo *msginfo_b = (MsgInfo *) b;
 932
 933         return (msginfo_a->msgnum - msginfo_b->msgnum);
 934 }
 935
 936 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 937 {
 938         guint gint_a = GPOINTER_TO_INT(a);
 939         guint gint_b = GPOINTER_TO_INT(b);
 940
 941         return (gint_a - gint_b);
 942 }
 943
 944 gint folder_item_open(FolderItem *item)
 945 {
 946         if(((item->folder->type == F_IMAP) && !item->no_select) || (item->folder->type == F_NEWS)) {
 947                 folder_item_scan(item);
 948         }
 949
 950         /* Processing */
 951         if(item->prefs->processing != NULL) {
 952                 gchar *buf;
 953
 954                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
 955                 debug_print("%s\n", buf);
 956                 g_free(buf);
 957
 958                 folder_item_apply_processing(item);
 959
 960                 debug_print("done.\n");
 961         }
 962
 963         return 0;
 964 }
 965
 966 void folder_item_close(FolderItem *item)
 967 {
 968         GSList *mlist, *cur;
 969
 970         g_return_if_fail(item != NULL);
 971
 972         if (item->new) {
 973                 mlist = folder_item_get_msg_list(item);
 974                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
 975                         MsgInfo * msginfo;
 976
 977                         msginfo = (MsgInfo *) cur->data;
 978                         if (MSG_IS_NEW(msginfo->flags))
 979                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
 980                         procmsg_msginfo_free(msginfo);
 981                 }
 982                 g_slist_free(mlist);
 983         }
 984
 985         folder_item_write_cache(item);
 986
 987         folder_update_item(item, FALSE);
 988
 989 }
 990
 991 gint folder_item_scan(FolderItem *item)
 992 {
 993         Folder *folder;
 994         GSList *folder_list = NULL, *cache_list = NULL, *folder_list_cur, *cache_list_cur, *new_list = NULL;
 995         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
 996         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
 997         gboolean contentchange = FALSE;
 998
 999         g_return_val_if_fail(item != NULL, -1);
1000         if (item->path == NULL) return -1;
1001
1002         folder = item->folder;
1003
1004         g_return_val_if_fail(folder != NULL, -1);
1005         g_return_val_if_fail(folder->get_num_list != NULL, -1);
1006
1007         debug_print("Scanning folder %s for cache changes.\n", item->path);
1008
1009         /* Get list of messages for folder and cache */
1010         if (folder->get_num_list(item->folder, item, &folder_list) < 0) {
1011                 debug_print("Error fetching list of message numbers\n");
1012                 return(-1);
1013         }
1014
1015         if (!folder->check_msgnum_validity ||
1016             folder->check_msgnum_validity(folder, item)) {
1017                 if (!item->cache)
1018                         folder_item_read_cache(item);
1019                 cache_list = msgcache_get_msg_list(item->cache);
1020         } else {
1021                 if (item->cache)
1022                         msgcache_destroy(item->cache);
1023                 item->cache = msgcache_new();
1024                 cache_list = NULL;
1025         }
1026
1027         /* Sort both lists */
1028         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1029         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1030
1031         cache_list_cur = cache_list;
1032         folder_list_cur = folder_list;
1033
1034         if (cache_list_cur != NULL) {
1035                 GSList *cache_list_last;
1036
1037                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1038                 cache_list_last = g_slist_last(cache_list);
1039                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1040         } else {
1041                 cache_cur_num = G_MAXINT;
1042                 cache_max_num = 0;
1043         }
1044
1045         if (folder_list_cur != NULL) {
1046                 GSList *folder_list_last;
1047
1048                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1049                 folder_list_last = g_slist_last(folder_list);
1050                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1051         } else {
1052                 folder_cur_num = G_MAXINT;
1053                 folder_max_num = 0;
1054         }
1055
1056         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1057                 /*
1058                  *  Message only exists in the folder
1059                  *  Remember message for fetching
1060                  */
1061                 if (folder_cur_num < cache_cur_num) {
1062                         gboolean add = FALSE;
1063
1064                         switch(folder->type) {
1065                                 case F_NEWS:
1066                                         if (folder_cur_num < cache_max_num)
1067                                                 break;
1068
1069                                         if (prefs_common.max_articles == 0) {
1070                                                 add = TRUE;
1071                                         }
1072
1073                                         if (folder_max_num <= prefs_common.max_articles) {
1074                                                 add = TRUE;
1075                                         } else if (folder_cur_num > (folder_max_num - prefs_common.max_articles)) {
1076                                                 add = TRUE;
1077                                         }
1078                                         break;
1079                                 default:
1080                                         add = TRUE;
1081                                         break;
1082                         }
1083
1084                         if (add) {
1085                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1086                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1087                         }
1088
1089                         /* Move to next folder number */
1090                         folder_list_cur = folder_list_cur->next;
1091
1092                         if (folder_list_cur != NULL)
1093                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1094                         else
1095                                 folder_cur_num = G_MAXINT;
1096
1097                         contentchange = TRUE;
1098
1099                         continue;
1100                 }
1101
1102                 /*
1103                  *  Message only exists in the cache
1104                  *  Remove the message from the cache
1105                  */
1106                 if (cache_cur_num < folder_cur_num) {
1107                         msgcache_remove_msg(item->cache, cache_cur_num);
1108                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1109
1110                         /* Move to next cache number */
1111                         cache_list_cur = cache_list_cur->next;
1112
1113                         if (cache_list_cur != NULL)
1114                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1115                         else
1116                                 cache_cur_num = G_MAXINT;
1117
1118                         contentchange = TRUE;
1119
1120                         continue;
1121                 }
1122
1123                 /*
1124                  *  Message number exists in folder and cache!
1125                  *  Check if the message has been modified
1126                  */
1127                 if (cache_cur_num == folder_cur_num) {
1128                         MsgInfo *msginfo;
1129
1130                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1131                         if (folder->is_msg_changed && folder->is_msg_changed(folder, item, msginfo)) {
1132                                 MsgInfo *newmsginfo;
1133
1134                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1135
1136                                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, item, folder_cur_num))) {
1137                                         msgcache_add_msg(item->cache, newmsginfo);
1138                                         if (MSG_IS_NEW(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1139                                                 newcnt++;
1140                                         if (MSG_IS_UNREAD(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1141                                                 unreadcnt++;
1142                                         procmsg_msginfo_free(newmsginfo);
1143                                 }
1144
1145                                 debug_print("Updated msginfo for message %d.\n", folder_cur_num);
1146                         } else {
1147                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1148                                         newcnt++;
1149                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1150                                         unreadcnt++;
1151                         }
1152                         totalcnt++;
1153                         procmsg_msginfo_free(msginfo);
1154
1155                         /* Move to next folder and cache number */
1156                         cache_list_cur = cache_list_cur->next;
1157                         folder_list_cur = folder_list_cur->next;
1158
1159                         if (cache_list_cur != NULL)
1160                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1161                         else
1162                                 cache_cur_num = G_MAXINT;
1163
1164                         if (folder_list_cur != NULL)
1165                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1166                         else
1167                                 folder_cur_num = G_MAXINT;
1168
1169                         contentchange = TRUE;
1170
1171                         continue;
1172                 }
1173         }
1174
1175         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur)) {
1176                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1177         }
1178
1179         g_slist_free(cache_list);
1180         g_slist_free(folder_list);
1181
1182         if (folder->fetch_msginfos) {
1183                 GSList *elem;
1184                 GSList *newmsg_list;
1185                 MsgInfo *msginfo;
1186
1187                 if (new_list) {
1188                         newmsg_list = folder->fetch_msginfos(folder, item, new_list);
1189                         for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1190                                 msginfo = (MsgInfo *) elem->data;
1191                                 msgcache_add_msg(item->cache, msginfo);
1192                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1193                                         newcnt++;
1194                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1195                                         unreadcnt++;
1196                                 totalcnt++;
1197                                 procmsg_msginfo_free(msginfo);
1198                         }
1199                         g_slist_free(newmsg_list);
1200                 }
1201         } else if (folder->fetch_msginfo) {
1202                 GSList *elem;
1203
1204                 for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1205                         MsgInfo *msginfo;
1206                         guint num;
1207
1208                         num = GPOINTER_TO_INT(elem->data);
1209                         msginfo = folder->fetch_msginfo(folder, item, num);
1210                         if (msginfo != NULL) {
1211                                 msgcache_add_msg(item->cache, msginfo);
1212                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1213                                     newcnt++;
1214                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1215                                     unreadcnt++;
1216                                 totalcnt++;
1217                                 procmsg_msginfo_free(msginfo);
1218                                 debug_print("Added newly found message %d to cache.\n", num);
1219                         }
1220                 }
1221         }
1222
1223         item->new = newcnt;
1224         item->unread = unreadcnt;
1225         item->total = totalcnt;
1226
1227         g_slist_free(new_list);
1228
1229         folder_update_item(item, contentchange);
1230
1231         return 0;
1232 }
1233
1234 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1235                                           gpointer data)
1236 {
1237         folder_item_scan(FOLDER_ITEM(key));
1238 }
1239
1240 void folder_item_scan_foreach(GHashTable *table)
1241 {
1242         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1243 }
1244
1245 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1246 {
1247         gint *memusage = (gint *)data;
1248
1249         if (item->cache == NULL)
1250                 return;
1251
1252         *memusage += msgcache_get_memory_usage(item->cache);
1253 }
1254
1255 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1256 {
1257         FolderItem *fa = (FolderItem *)a;
1258         FolderItem *fb = (FolderItem *)b;
1259
1260         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1261 }
1262
1263 void folder_find_expired_caches(FolderItem *item, gpointer data)
1264 {
1265         GSList **folder_item_list = (GSList **)data;
1266         gint difftime, expiretime;
1267
1268         if (item->cache == NULL)
1269                 return;
1270
1271         if (item->opened > 0)
1272                 return;
1273
1274         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1275         expiretime = prefs_common.cache_min_keep_time * 60;
1276         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1277         if (difftime > expiretime) {
1278                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1279         }
1280 }
1281
1282 void folder_item_free_cache(FolderItem *item)
1283 {
1284         g_return_if_fail(item != NULL);
1285
1286         if (item->cache == NULL)
1287                 return;
1288
1289         if (item->opened > 0)
1290                 return;
1291
1292         folder_item_write_cache(item);
1293         msgcache_destroy(item->cache);
1294         item->cache = NULL;
1295 }
1296
1297 void folder_clean_cache_memory()
1298 {
1299         gint memusage = 0;
1300
1301         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1302         debug_print("Total cache memory usage: %d\n", memusage);
1303
1304         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1305                 GSList *folder_item_list = NULL, *listitem;
1306
1307                 debug_print("Trying to free cache memory\n");
1308
1309                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1310                 listitem = folder_item_list;
1311                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1312                         FolderItem *item = (FolderItem *)(listitem->data);
1313
1314                         debug_print("Freeing cache memory for %s\n", item->path);
1315                         memusage -= msgcache_get_memory_usage(item->cache);
1316                         folder_item_free_cache(item);
1317                         listitem = listitem->next;
1318                 }
1319                 g_slist_free(folder_item_list);
1320         }
1321 }
1322
1323 void folder_item_read_cache(FolderItem *item)
1324 {
1325         gchar *cache_file, *mark_file;
1326
1327         g_return_if_fail(item != NULL);
1328
1329         cache_file = folder_item_get_cache_file(item);
1330         mark_file = folder_item_get_mark_file(item);
1331         item->cache = msgcache_read_cache(item, cache_file);
1332         if (!item->cache) {
1333                 item->cache = msgcache_new();
1334                 folder_item_scan(item);
1335         }
1336         msgcache_read_mark(item->cache, mark_file);
1337         g_free(cache_file);
1338         g_free(mark_file);
1339
1340         folder_clean_cache_memory();
1341 }
1342
1343 void folder_item_write_cache(FolderItem *item)
1344 {
1345         gchar *cache_file, *mark_file;
1346         PrefsFolderItem *prefs;
1347         gint filemode = 0;
1348         gchar *id;
1349
1350         if (!item || !item->path || !item->cache)
1351                 return;
1352
1353         id = folder_item_get_identifier(item);
1354         debug_print("Save cache for folder %s\n", id);
1355         g_free(id);
1356
1357         cache_file = folder_item_get_cache_file(item);
1358         mark_file = folder_item_get_mark_file(item);
1359         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1360                 prefs = item->prefs;
1361                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1362                         /* for cache file */
1363                         filemode = prefs->folder_chmod;
1364                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1365                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1366                         chmod(cache_file, filemode);
1367                 }
1368         }
1369
1370         g_free(cache_file);
1371         g_free(mark_file);
1372 }
1373
1374 MsgInfo *folder_item_fetch_msginfo(FolderItem *item, gint num)
1375 {
1376         Folder *folder;
1377         MsgInfo *msginfo;
1378
1379         g_return_val_if_fail(item != NULL, NULL);
1380
1381         folder = item->folder;
1382         if (!item->cache)
1383                 folder_item_read_cache(item);
1384
1385         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1386                 return msginfo;
1387
1388         g_return_val_if_fail(folder->fetch_msginfo, NULL);
1389         if ((msginfo = folder->fetch_msginfo(folder, item, num)) != NULL) {
1390                 msgcache_add_msg(item->cache, msginfo);
1391                 return msginfo;
1392         }
1393
1394         return NULL;
1395 }
1396
1397 MsgInfo *folder_item_fetch_msginfo_by_id(FolderItem *item, const gchar *msgid)
1398 {
1399         Folder *folder;
1400         MsgInfo *msginfo;
1401
1402         g_return_val_if_fail(item != NULL, NULL);
1403
1404         folder = item->folder;
1405         if (!item->cache)
1406                 folder_item_read_cache(item);
1407
1408         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1409                 return msginfo;
1410
1411         return NULL;
1412 }
1413
1414 GSList *folder_item_get_msg_list(FolderItem *item)
1415 {
1416         g_return_val_if_fail(item != NULL, NULL);
1417
1418         if (item->cache == 0)
1419                 folder_item_read_cache(item);
1420
1421         g_return_val_if_fail(item->cache != NULL, NULL);
1422
1423         return msgcache_get_msg_list(item->cache);
1424 }
1425
1426 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1427 {
1428         Folder *folder;
1429
1430         g_return_val_if_fail(item != NULL, NULL);
1431
1432         folder = item->folder;
1433
1434         g_return_val_if_fail(folder->fetch_msg != NULL, NULL);
1435
1436         return folder->fetch_msg(folder, item, num);
1437 }
1438
1439 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1440                          gboolean remove_source)
1441 {
1442         Folder *folder;
1443         gint num;
1444         MsgInfo *msginfo;
1445
1446         g_return_val_if_fail(dest != NULL, -1);
1447         g_return_val_if_fail(file != NULL, -1);
1448
1449         folder = dest->folder;
1450
1451         g_return_val_if_fail(folder->add_msg != NULL, -1);
1452
1453         if (!dest->cache)
1454                 folder_item_read_cache(dest);
1455
1456         num = folder->add_msg(folder, dest, file, remove_source);
1457
1458         if (num > 0) {
1459                 msginfo = folder->fetch_msginfo(folder, dest, num);
1460
1461                 if (msginfo != NULL) {
1462                         if (MSG_IS_NEW(msginfo->flags))
1463                                 dest->new++;
1464                         if (MSG_IS_UNREAD(msginfo->flags))
1465                                 dest->unread++;
1466                         dest->total++;
1467                         dest->need_update = TRUE;
1468
1469                         msgcache_add_msg(dest->cache, msginfo);
1470
1471                         procmsg_msginfo_free(msginfo);
1472                 }
1473
1474                 dest->last_num = num;
1475         }
1476
1477         return num;
1478 }
1479
1480 /*
1481 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1482 {
1483         Folder *folder;
1484         gint num;
1485
1486         g_return_val_if_fail(dest != NULL, -1);
1487         g_return_val_if_fail(msginfo != NULL, -1);
1488
1489         folder = dest->folder;
1490         if (dest->last_num < 0) folder->scan(folder, dest);
1491
1492         num = folder->move_msg(folder, dest, msginfo);
1493         if (num > 0) dest->last_num = num;
1494
1495         return num;
1496 }
1497 */
1498
1499 FolderItem *folder_item_move_recursive (FolderItem *src, FolderItem *dest)
1500 {
1501         GSList *mlist;
1502         GSList *cur;
1503         FolderItem *new_item;
1504         FolderItem *next_item;
1505         GNode *srcnode;
1506         int cnt = 0;
1507         mlist = folder_item_get_msg_list(src);
1508
1509         /* move messages */
1510         debug_print("Moving %s to %s\n", src->path, dest->path);
1511         new_item = folder_create_folder(dest, g_basename(src->path));
1512         if (new_item == NULL) {
1513                 printf("Can't create folder\n");
1514                 return NULL;
1515         }
1516
1517         statusbar_print_all(_("Moving %s to %s..."), src->name, new_item->path);
1518
1519         if (new_item->folder == NULL)
1520                 new_item->folder = dest->folder;
1521
1522         /* move messages */
1523         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1524                 MsgInfo * msginfo;
1525                 cnt++;
1526                 if (cnt%500)
1527                         statusbar_print_all(_("Moving %s to %s (%d%%)..."), src->name,
1528                                         new_item->path,
1529                                         100*cnt/g_slist_length(mlist));
1530                 msginfo = (MsgInfo *) cur->data;
1531                 folder_item_move_msg(new_item, msginfo);
1532                 if (cnt%500)
1533                         statusbar_pop_all();
1534         }
1535
1536         /*copy prefs*/
1537         prefs_folder_item_copy_prefs(src, new_item);
1538         new_item->collapsed = src->collapsed;
1539         new_item->threaded  = src->threaded;
1540         new_item->ret_rcpt  = src->ret_rcpt;
1541         new_item->hide_read_msgs = src->hide_read_msgs;
1542         new_item->sort_key  = src->sort_key;
1543         new_item->sort_type = src->sort_type;
1544
1545         prefs_matcher_write_config();
1546
1547         /* recurse */
1548         srcnode = src->folder->node;
1549         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1550         srcnode = srcnode->children;
1551         while (srcnode != NULL) {
1552                 if (srcnode && srcnode->data) {
1553                         next_item = (FolderItem*) srcnode->data;
1554                         if (folder_item_move_recursive(next_item, new_item) == NULL)
1555                                 return NULL;
1556                 }
1557                 srcnode = srcnode->next;
1558         }
1559         return new_item;
1560 }
1561
1562 FolderItem *folder_item_move_to(FolderItem *src, FolderItem *dest)
1563 {
1564         FolderItem *tmp = dest->parent;
1565         char * src_identifier, * dst_identifier, * new_identifier;
1566         char * phys_srcpath, * phys_dstpath;
1567         GNode *src_node;
1568
1569         while (tmp) {
1570                 if (tmp == src) {
1571                         alertpanel_error(_("Can't move a folder to one of its children."));
1572                         return NULL;
1573                 }
1574                 tmp = tmp->parent;
1575         }
1576
1577         tmp = src->parent;
1578
1579         src_identifier = folder_item_get_identifier(src);
1580         dst_identifier = folder_item_get_identifier(dest);
1581
1582         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
1583                 /* dest can be a root folder */
1584                 dst_identifier = folder_get_identifier(dest->folder);
1585         }
1586         if (src_identifier == NULL || dst_identifier == NULL) {
1587                 printf("Can't get identifiers\n");
1588                 return NULL;
1589         }
1590
1591         phys_srcpath = folder_item_get_path(src);
1592         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
1593
1594         if (src->parent == dest) {
1595                 alertpanel_error(_("Source and destination are the same."));
1596                 g_free(src_identifier);
1597                 g_free(dst_identifier);
1598                 g_free(phys_srcpath);
1599                 g_free(phys_dstpath);
1600                 return NULL;
1601         }
1602         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1603         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
1604                 alertpanel_error(_("Move failed!"));
1605                 return NULL;
1606         }
1607
1608         /* update rules */
1609         src->folder->remove_folder(src->folder, src);
1610         src_node = g_node_find(src->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1611         if (src_node)
1612                 g_node_destroy(src_node);
1613         else
1614                 debug_print("can't remove node: it's null!\n");
1615         /* not to much worry if remove fails, move has been done */
1616
1617         debug_print("updating rules ....\n");
1618         new_identifier = g_strconcat(dst_identifier, G_DIR_SEPARATOR_S, g_basename(phys_srcpath), NULL);
1619         prefs_filtering_rename_path(src_identifier, new_identifier);
1620
1621         folder_write_list();
1622
1623         g_free(src_identifier);
1624         g_free(dst_identifier);
1625         g_free(new_identifier);
1626         g_free(phys_srcpath);
1627         g_free(phys_dstpath);
1628
1629         return tmp;
1630 }
1631
1632 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1633 {
1634         Folder *folder;
1635         gint num;
1636         Folder *src_folder;
1637
1638         g_return_val_if_fail(dest != NULL, -1);
1639         g_return_val_if_fail(msginfo != NULL, -1);
1640
1641         folder = dest->folder;
1642
1643         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1644         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1645
1646         if (!dest->cache) folder_item_read_cache(dest);
1647
1648         src_folder = msginfo->folder->folder;
1649
1650         num = folder->copy_msg(folder, dest, msginfo);
1651
1652         if (num != -1) {
1653                 MsgInfo *newmsginfo;
1654
1655                 /* Add new msginfo to dest folder */
1656                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, dest, num))) {
1657                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1658
1659                         if (dest->stype == F_OUTBOX || dest->stype == F_QUEUE  ||
1660                             dest->stype == F_DRAFT  || dest->stype == F_TRASH)
1661                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1662                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1663                         msgcache_add_msg(dest->cache, newmsginfo);
1664
1665                         if (MSG_IS_NEW(newmsginfo->flags))
1666                                 dest->new++;
1667                         if (MSG_IS_UNREAD(newmsginfo->flags))
1668                                 dest->unread++;
1669                         dest->total++;
1670                         dest->need_update = TRUE;
1671
1672                         procmsg_msginfo_free(newmsginfo);
1673                 }
1674
1675                 /* remove source message from it's folder */
1676                 if (src_folder->remove_msg) {
1677                         src_folder->remove_msg(src_folder, msginfo->folder,
1678                                                msginfo->msgnum);
1679                         msgcache_remove_msg(msginfo->folder->cache, msginfo->msgnum);
1680
1681                         if (MSG_IS_NEW(msginfo->flags))
1682                                 msginfo->folder->new--;
1683                         if (MSG_IS_UNREAD(msginfo->flags))
1684                                 msginfo->folder->unread--;
1685                         msginfo->folder->total--;
1686                         msginfo->folder->need_update = TRUE;
1687                 }
1688         }
1689
1690         if (folder->finished_copy)
1691                 folder->finished_copy(folder, dest);
1692
1693         return num;
1694 }
1695
1696 /*
1697 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1698 {
1699         Folder *folder;
1700         gint num;
1701
1702         g_return_val_if_fail(dest != NULL, -1);
1703         g_return_val_if_fail(msglist != NULL, -1);
1704
1705         folder = dest->folder;
1706         if (dest->last_num < 0) folder->scan(folder, dest);
1707
1708         num = folder->move_msgs_with_dest(folder, dest, msglist);
1709         if (num > 0) dest->last_num = num;
1710         else dest->op_count = 0;
1711
1712         return num;
1713 }
1714 */
1715
1716 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1717 {
1718         Folder *folder;
1719         FolderItem *item;
1720         GSList *newmsgnums = NULL;
1721         GSList *l, *l2;
1722         gint num;
1723
1724         g_return_val_if_fail(dest != NULL, -1);
1725         g_return_val_if_fail(msglist != NULL, -1);
1726
1727         folder = dest->folder;
1728
1729         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1730         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1731
1732         /*
1733          * Copy messages to destination folder and
1734          * store new message numbers in newmsgnums
1735          */
1736         item = NULL;
1737         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1738                 MsgInfo * msginfo = (MsgInfo *) l->data;
1739
1740                 if (!item && msginfo->folder != NULL)
1741                         item = msginfo->folder;
1742
1743                 num = folder->copy_msg(folder, dest, msginfo);
1744                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1745         }
1746
1747         /* Read cache for dest folder */
1748         if (!dest->cache) folder_item_read_cache(dest);
1749
1750         /*
1751          * Fetch new MsgInfos for new messages in dest folder,
1752          * add them to the msgcache and update folder message counts
1753          */
1754         l2 = newmsgnums;
1755         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1756                 MsgInfo *msginfo = (MsgInfo *) l->data;
1757
1758                 num = GPOINTER_TO_INT(l2->data);
1759
1760                 if (num != -1) {
1761                         MsgInfo *newmsginfo;
1762
1763                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1764                         if (newmsginfo) {
1765                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1766                                 if (dest->stype == F_OUTBOX ||
1767                                     dest->stype == F_QUEUE  ||
1768                                     dest->stype == F_DRAFT  ||
1769                                     dest->stype == F_TRASH)
1770                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1771                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1772                                 msgcache_add_msg(dest->cache, newmsginfo);
1773
1774                                 if (MSG_IS_NEW(newmsginfo->flags))
1775                                         dest->new++;
1776                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1777                                         dest->unread++;
1778                                 dest->total++;
1779                                 dest->need_update = TRUE;
1780
1781                                 procmsg_msginfo_free(newmsginfo);
1782                         }
1783                 }
1784                 l2 = g_slist_next(l2);
1785         }
1786
1787         /*
1788          * Remove source messages from their folders if
1789          * copying was successfull and update folder
1790          * message counts
1791          */
1792         l2 = newmsgnums;
1793         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1794                 MsgInfo *msginfo = (MsgInfo *) l->data;
1795
1796                 num = GPOINTER_TO_INT(l2->data);
1797
1798                 if (num != -1) {
1799                         item->folder->remove_msg(item->folder,
1800                                                  msginfo->folder,
1801                                                  msginfo->msgnum);
1802                         if (!item->cache)
1803                                 folder_item_read_cache(item);
1804                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1805
1806                         if (MSG_IS_NEW(msginfo->flags))
1807                                 msginfo->folder->new--;
1808                         if (MSG_IS_UNREAD(msginfo->flags))
1809                                 msginfo->folder->unread--;
1810                         msginfo->folder->total--;
1811                         msginfo->folder->need_update = TRUE;
1812                 }
1813
1814                 l2 = g_slist_next(l2);
1815         }
1816
1817
1818         if (folder->finished_copy)
1819                 folder->finished_copy(folder, dest);
1820
1821         g_slist_free(newmsgnums);
1822         return dest->last_num;
1823 }
1824
1825 /*
1826 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1827 {
1828         Folder *folder;
1829         gint num;
1830
1831         g_return_val_if_fail(dest != NULL, -1);
1832         g_return_val_if_fail(msginfo != NULL, -1);
1833
1834         folder = dest->folder;
1835         if (dest->last_num < 0) folder->scan(folder, dest);
1836
1837         num = folder->copy_msg(folder, dest, msginfo);
1838         if (num > 0) dest->last_num = num;
1839
1840         return num;
1841 }
1842 */
1843
1844 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1845 {
1846         Folder *folder;
1847         gint num;
1848
1849         g_return_val_if_fail(dest != NULL, -1);
1850         g_return_val_if_fail(msginfo != NULL, -1);
1851
1852         folder = dest->folder;
1853
1854         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1855
1856         if (!dest->cache) folder_item_read_cache(dest);
1857
1858         num = folder->copy_msg(folder, dest, msginfo);
1859         if (num != -1) {
1860                 MsgInfo *newmsginfo;
1861
1862                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, dest, num))) {
1863                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1864                         if (dest->stype == F_OUTBOX ||
1865                             dest->stype == F_QUEUE  ||
1866                             dest->stype == F_DRAFT  ||
1867                             dest->stype == F_TRASH)
1868                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1869                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1870                         msgcache_add_msg(dest->cache, newmsginfo);
1871
1872                         if (MSG_IS_NEW(newmsginfo->flags))
1873                                 dest->new++;
1874                         if (MSG_IS_UNREAD(newmsginfo->flags))
1875                                 dest->unread++;
1876                         dest->total++;
1877                         dest->need_update = TRUE;
1878
1879                         procmsg_msginfo_free(newmsginfo);
1880                 }
1881         }
1882
1883         if (folder->finished_copy)
1884                 folder->finished_copy(folder, dest);
1885
1886         return num;
1887 }
1888
1889 /*
1890 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1891 {
1892         Folder *folder;
1893         gint num;
1894
1895         g_return_val_if_fail(dest != NULL, -1);
1896         g_return_val_if_fail(msglist != NULL, -1);
1897
1898         folder = dest->folder;
1899         if (dest->last_num < 0) folder->scan(folder, dest);
1900
1901         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1902         if (num > 0) dest->last_num = num;
1903         else dest->op_count = 0;
1904
1905         return num;
1906 }
1907 */
1908
1909 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1910 {
1911         Folder *folder;
1912         gint num;
1913         GSList *newmsgnums = NULL;
1914         GSList *l, *l2;
1915
1916         g_return_val_if_fail(dest != NULL, -1);
1917         g_return_val_if_fail(msglist != NULL, -1);
1918
1919         folder = dest->folder;
1920
1921         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1922
1923         /*
1924          * Copy messages to destination folder and
1925          * store new message numbers in newmsgnums
1926          */
1927         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1928                 MsgInfo * msginfo = (MsgInfo *) l->data;
1929
1930                 num = folder->copy_msg(folder, dest, msginfo);
1931                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1932         }
1933
1934         /* Read cache for dest folder */
1935         if (!dest->cache) folder_item_read_cache(dest);
1936
1937         /*
1938          * Fetch new MsgInfos for new messages in dest folder,
1939          * add them to the msgcache and update folder message counts
1940          */
1941         l2 = newmsgnums;
1942         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1943                 MsgInfo *msginfo = (MsgInfo *) l->data;
1944
1945                 num = GPOINTER_TO_INT(l2->data);
1946
1947                 if (num != -1) {
1948                         MsgInfo *newmsginfo;
1949
1950                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1951                         if (newmsginfo) {
1952                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1953                                 if (dest->stype == F_OUTBOX ||
1954                                     dest->stype == F_QUEUE  ||
1955                                     dest->stype == F_DRAFT  ||
1956                                     dest->stype == F_TRASH)
1957                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1958                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1959                                 msgcache_add_msg(dest->cache, newmsginfo);
1960
1961                                 if (MSG_IS_NEW(newmsginfo->flags))
1962                                         dest->new++;
1963                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1964                                         dest->unread++;
1965                                 dest->total++;
1966                                 dest->need_update = TRUE;
1967
1968                                 procmsg_msginfo_free(newmsginfo);
1969                         }
1970                 }
1971                 l2 = g_slist_next(l2);
1972         }
1973
1974         if (folder->finished_copy)
1975                 folder->finished_copy(folder, dest);
1976
1977         g_slist_free(newmsgnums);
1978         return dest->last_num;
1979 }
1980
1981 gint folder_item_remove_msg(FolderItem *item, gint num)
1982 {
1983         Folder *folder;
1984         gint ret;
1985         MsgInfo *msginfo;
1986
1987         g_return_val_if_fail(item != NULL, -1);
1988
1989         folder = item->folder;
1990         if (!item->cache) folder_item_read_cache(item);
1991
1992         ret = folder->remove_msg(folder, item, num);
1993
1994         msginfo = msgcache_get_msg(item->cache, num);
1995         if (msginfo != NULL) {
1996                 if (MSG_IS_NEW(msginfo->flags))
1997                         item->new--;
1998                 if (MSG_IS_UNREAD(msginfo->flags))
1999                         item->unread--;
2000                 procmsg_msginfo_free(msginfo);
2001                 msgcache_remove_msg(item->cache, num);
2002         }
2003         item->total--;
2004         item->need_update = TRUE;
2005
2006         return ret;
2007 }
2008
2009 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2010 {
2011         Folder *folder;
2012         gint ret = 0;
2013
2014         g_return_val_if_fail(item != NULL, -1);
2015
2016         folder = item->folder;
2017         if (folder->remove_msgs) {
2018                 ret = folder->remove_msgs(folder, item, msglist);
2019                 if (ret == 0)
2020                         folder->scan(folder);
2021                 return ret;
2022         }
2023
2024         if (!item->cache) folder_item_read_cache(item);
2025
2026         while (msglist != NULL) {
2027                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2028
2029                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2030                 if (ret != 0) break;
2031                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2032                 msglist = msglist->next;
2033         }
2034
2035         return ret;
2036 }
2037
2038 gint folder_item_remove_all_msg(FolderItem *item)
2039 {
2040         Folder *folder;
2041         gint result;
2042
2043         g_return_val_if_fail(item != NULL, -1);
2044
2045         folder = item->folder;
2046
2047         g_return_val_if_fail(folder->remove_all_msg != NULL, -1);
2048
2049         result = folder->remove_all_msg(folder, item);
2050
2051         if (result == 0) {
2052                 if (folder->finished_remove)
2053                         folder->finished_remove(folder, item);
2054
2055                 folder_item_free_cache(item);
2056                 item->cache = msgcache_new();
2057
2058                 item->new = 0;
2059                 item->unread = 0;
2060                 item->total = 0;
2061                 item->need_update = TRUE;
2062         }
2063
2064         return result;
2065 }
2066
2067 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2068 {
2069         Folder *folder;
2070
2071         g_return_val_if_fail(item != NULL, FALSE);
2072
2073         folder = item->folder;
2074
2075         g_return_val_if_fail(folder->is_msg_changed != NULL, -1);
2076
2077         return folder->is_msg_changed(folder, item, msginfo);
2078 }
2079
2080 gchar *folder_item_get_cache_file(FolderItem *item)
2081 {
2082         gchar *path;
2083         gchar *file;
2084
2085         g_return_val_if_fail(item != NULL, NULL);
2086         g_return_val_if_fail(item->path != NULL, NULL);
2087
2088         path = folder_item_get_path(item);
2089         g_return_val_if_fail(path != NULL, NULL);
2090         if (!is_dir_exist(path))
2091                 make_dir_hier(path);
2092         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2093         g_free(path);
2094
2095         return file;
2096 }
2097
2098 gchar *folder_item_get_mark_file(FolderItem *item)
2099 {
2100         gchar *path;
2101         gchar *file;
2102
2103         g_return_val_if_fail(item != NULL, NULL);
2104         g_return_val_if_fail(item->path != NULL, NULL);
2105
2106         path = folder_item_get_path(item);
2107         g_return_val_if_fail(path != NULL, NULL);
2108         if (!is_dir_exist(path))
2109                 make_dir_hier(path);
2110         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2111         g_free(path);
2112
2113         return file;
2114 }
2115
2116 static gboolean folder_build_tree(GNode *node, gpointer data)
2117 {
2118         Folder *folder = FOLDER(data);
2119         FolderItem *item;
2120         XMLNode *xmlnode;
2121         GList *list;
2122         SpecialFolderItemType stype = F_NORMAL;
2123         const gchar *name = NULL;
2124         const gchar *path = NULL;
2125         PrefsAccount *account = NULL;
2126         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
2127                  threaded = TRUE, apply_sub = FALSE;
2128         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE; /* CLAWS */
2129         FolderSortKey sort_key = SORT_BY_NONE;
2130         FolderSortType sort_type = SORT_ASCENDING;
2131         gint new = 0, unread = 0, total = 0;
2132         time_t mtime = 0;
2133
2134         g_return_val_if_fail(node->data != NULL, FALSE);
2135         if (!node->parent) return FALSE;
2136
2137         xmlnode = node->data;
2138         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2139                 g_warning("tag name != \"folderitem\"\n");
2140                 return FALSE;
2141         }
2142
2143         list = xmlnode->tag->attr;
2144         for (; list != NULL; list = list->next) {
2145                 XMLAttr *attr = list->data;
2146
2147                 if (!attr || !attr->name || !attr->value) continue;
2148                 if (!strcmp(attr->name, "type")) {
2149                         if (!strcasecmp(attr->value, "normal"))
2150                                 stype = F_NORMAL;
2151                         else if (!strcasecmp(attr->value, "inbox"))
2152                                 stype = F_INBOX;
2153                         else if (!strcasecmp(attr->value, "outbox"))
2154                                 stype = F_OUTBOX;
2155                         else if (!strcasecmp(attr->value, "draft"))
2156                                 stype = F_DRAFT;
2157                         else if (!strcasecmp(attr->value, "queue"))
2158                                 stype = F_QUEUE;
2159                         else if (!strcasecmp(attr->value, "trash"))
2160                                 stype = F_TRASH;
2161                 } else if (!strcmp(attr->name, "name"))
2162                         name = attr->value;
2163                 else if (!strcmp(attr->name, "path"))
2164                         path = attr->value;
2165                 else if (!strcmp(attr->name, "mtime"))
2166                         mtime = strtoul(attr->value, NULL, 10);
2167                 else if (!strcmp(attr->name, "new"))
2168                         new = atoi(attr->value);
2169                 else if (!strcmp(attr->name, "unread"))
2170                         unread = atoi(attr->value);
2171                 else if (!strcmp(attr->name, "total"))
2172                         total = atoi(attr->value);
2173                 else if (!strcmp(attr->name, "no_sub"))
2174                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2175                 else if (!strcmp(attr->name, "no_select"))
2176                         no_select = *attr->value == '1' ? TRUE : FALSE;
2177                 else if (!strcmp(attr->name, "collapsed"))
2178                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2179                 else if (!strcmp(attr->name, "threaded"))
2180                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2181                 else if (!strcmp(attr->name, "hidereadmsgs"))
2182                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2183                 else if (!strcmp(attr->name, "reqretrcpt"))
2184                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2185                 else if (!strcmp(attr->name, "sort_key")) {
2186                         if (!strcmp(attr->value, "none"))
2187                                 sort_key = SORT_BY_NONE;
2188                         else if (!strcmp(attr->value, "number"))
2189                                 sort_key = SORT_BY_NUMBER;
2190                         else if (!strcmp(attr->value, "size"))
2191                                 sort_key = SORT_BY_SIZE;
2192                         else if (!strcmp(attr->value, "date"))
2193                                 sort_key = SORT_BY_DATE;
2194                         else if (!strcmp(attr->value, "from"))
2195                                 sort_key = SORT_BY_FROM;
2196                         else if (!strcmp(attr->value, "subject"))
2197                                 sort_key = SORT_BY_SUBJECT;
2198                         else if (!strcmp(attr->value, "score"))
2199                                 sort_key = SORT_BY_SCORE;
2200                         else if (!strcmp(attr->value, "label"))
2201                                 sort_key = SORT_BY_LABEL;
2202                         else if (!strcmp(attr->value, "mark"))
2203                                 sort_key = SORT_BY_MARK;
2204                         else if (!strcmp(attr->value, "unread"))
2205                                 sort_key = SORT_BY_UNREAD;
2206                         else if (!strcmp(attr->value, "mime"))
2207                                 sort_key = SORT_BY_MIME;
2208                         else if (!strcmp(attr->value, "locked"))
2209                                 sort_key = SORT_BY_LOCKED;
2210                 } else if (!strcmp(attr->name, "sort_type")) {
2211                         if (!strcmp(attr->value, "ascending"))
2212                                 sort_type = SORT_ASCENDING;
2213                         else
2214                                 sort_type = SORT_DESCENDING;
2215                 } else if (!strcmp(attr->name, "account_id")) {
2216                         account = account_find_from_id(atoi(attr->value));
2217                         if (!account) g_warning("account_id: %s not found\n",
2218                                                 attr->value);
2219                 } else if (!strcmp(attr->name, "apply_sub"))
2220                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2221         }
2222
2223         item = folder_item_new(folder, name, path);
2224         item->stype = stype;
2225         item->mtime = mtime;
2226         item->new = new;
2227         item->unread = unread;
2228         item->total = total;
2229         item->no_sub = no_sub;
2230         item->no_select = no_select;
2231         item->collapsed = collapsed;
2232         item->threaded  = threaded;
2233         item->hide_read_msgs  = hidereadmsgs;
2234         item->ret_rcpt  = ret_rcpt;
2235         item->sort_key  = sort_key;
2236         item->sort_type = sort_type;
2237         item->parent = FOLDER_ITEM(node->parent->data);
2238         item->folder = folder;
2239         switch (stype) {
2240         case F_INBOX:  folder->inbox  = item; break;
2241         case F_OUTBOX: folder->outbox = item; break;
2242         case F_DRAFT:  folder->draft  = item; break;
2243         case F_QUEUE:  folder->queue  = item; break;
2244         case F_TRASH:  folder->trash  = item; break;
2245         default:       break;
2246         }
2247         item->account = account;
2248         item->apply_sub = apply_sub;
2249         prefs_folder_item_read_config(item);
2250
2251         node->data = item;
2252         xml_free_node(xmlnode);
2253
2254         return FALSE;
2255 }
2256
2257 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2258 {
2259         Folder *folder;
2260         XMLNode *xmlnode;
2261         GList *list;
2262         FolderType type = F_UNKNOWN;
2263         const gchar *name = NULL;
2264         const gchar *path = NULL;
2265         PrefsAccount *account = NULL;
2266         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2267         gboolean ret_rcpt = FALSE; /* CLAWS */
2268
2269         if (g_node_depth(node) != 2) return FALSE;
2270         g_return_val_if_fail(node->data != NULL, FALSE);
2271
2272         xmlnode = node->data;
2273         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2274                 g_warning("tag name != \"folder\"\n");
2275                 return TRUE;
2276         }
2277         g_node_unlink(node);
2278         list = xmlnode->tag->attr;
2279         for (; list != NULL; list = list->next) {
2280                 XMLAttr *attr = list->data;
2281
2282                 if (!attr || !attr->name || !attr->value) continue;
2283                 if (!strcmp(attr->name, "type")) {
2284                         if (!strcasecmp(attr->value, "mh"))
2285                                 type = F_MH;
2286                         else if (!strcasecmp(attr->value, "mbox"))
2287                                 type = F_MBOX;
2288                         else if (!strcasecmp(attr->value, "maildir"))
2289                                 type = F_MAILDIR;
2290                         else if (!strcasecmp(attr->value, "imap"))
2291                                 type = F_IMAP;
2292                         else if (!strcasecmp(attr->value, "news"))
2293                                 type = F_NEWS;
2294                 } else if (!strcmp(attr->name, "name"))
2295                         name = attr->value;
2296                 else if (!strcmp(attr->name, "path"))
2297                         path = attr->value;
2298                 else if (!strcmp(attr->name, "collapsed"))
2299                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2300                 else if (!strcmp(attr->name, "threaded"))
2301                         threaded = *attr->value == '1' ? TRUE : FALSE;
2302                 else if (!strcmp(attr->name, "account_id")) {
2303                         account = account_find_from_id(atoi(attr->value));
2304                         if (!account) g_warning("account_id: %s not found\n",
2305                                                 attr->value);
2306                 } else if (!strcmp(attr->name, "apply_sub"))
2307                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2308                 else if (!strcmp(attr->name, "reqretrcpt"))
2309                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2310         }
2311
2312         folder = folder_new(type, name, path);
2313         g_return_val_if_fail(folder != NULL, FALSE);
2314         folder->account = account;
2315         if (account && (type == F_IMAP || type == F_NEWS))
2316                 account->folder = REMOTE_FOLDER(folder);
2317         node->data = folder->node->data;
2318         g_node_destroy(folder->node);
2319         folder->node = node;
2320         folder_add(folder);
2321         FOLDER_ITEM(node->data)->collapsed = collapsed;
2322         FOLDER_ITEM(node->data)->threaded  = threaded;
2323         FOLDER_ITEM(node->data)->account   = account;
2324         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2325         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2326
2327         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2328                         folder_build_tree, folder);
2329
2330         return FALSE;
2331 }
2332
2333 static gchar *folder_get_list_path(void)
2334 {
2335         static gchar *filename = NULL;
2336
2337         if (!filename)
2338                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2339                                         FOLDER_LIST, NULL);
2340
2341         return filename;
2342 }
2343
2344 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2345 {                                                       \
2346         fputs(" " attr "=\"", fp);                      \
2347         xml_file_put_escape_str(fp, str);               \
2348         fputs("\"", fp);                                \
2349 }
2350
2351 static void folder_write_list_recursive(GNode *node, gpointer data)
2352 {
2353         FILE *fp = (FILE *)data;
2354         FolderItem *item;
2355         gint i, depth;
2356         static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
2357                                            "news", "unknown"};
2358         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2359                                                  "draft", "queue", "trash"};
2360         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2361                                         "from", "subject", "score", "label",
2362                                         "mark", "unread", "mime", "locked" };
2363         g_return_if_fail(node != NULL);
2364         g_return_if_fail(fp != NULL);
2365
2366         item = FOLDER_ITEM(node->data);
2367         g_return_if_fail(item != NULL);
2368
2369         depth = g_node_depth(node);
2370         for (i = 0; i < depth; i++)
2371                 fputs("    ", fp);
2372         if (depth == 1) {
2373                 Folder *folder = item->folder;
2374
2375                 fprintf(fp, "<folder type=\"%s\"", folder_type_str[folder->type]);
2376                 if (folder->name)
2377                         PUT_ESCAPE_STR(fp, "name", folder->name);
2378                 if (folder->type == F_MH || folder->type == F_MBOX)
2379                         PUT_ESCAPE_STR(fp, "path",
2380                                        LOCAL_FOLDER(folder)->rootpath);
2381                 if (item->collapsed && node->children)
2382                         fputs(" collapsed=\"1\"", fp);
2383                 if (folder->account)
2384                         fprintf(fp, " account_id=\"%d\"",
2385                                 folder->account->account_id);
2386                 if (item->apply_sub)
2387                         fputs(" apply_sub=\"1\"", fp);
2388                 if (item->ret_rcpt)
2389                         fputs(" reqretrcpt=\"1\"", fp);
2390         } else {
2391                 fprintf(fp, "<folderitem type=\"%s\"",
2392                         folder_item_stype_str[item->stype]);
2393                 if (item->name)
2394                         PUT_ESCAPE_STR(fp, "name", item->name);
2395                 if (item->path)
2396                         PUT_ESCAPE_STR(fp, "path", item->path);
2397
2398                 if (item->no_sub)
2399                         fputs(" no_sub=\"1\"", fp);
2400                 if (item->no_select)
2401                         fputs(" no_select=\"1\"", fp);
2402                 if (item->collapsed && node->children)
2403                         fputs(" collapsed=\"1\"", fp);
2404                 if (item->threaded)
2405                         fputs(" threaded=\"1\"", fp);
2406                 else
2407                         fputs(" threaded=\"0\"", fp);
2408                 if (item->hide_read_msgs)
2409                         fputs(" hidereadmsgs=\"1\"", fp);
2410                 else
2411                         fputs(" hidereadmsgs=\"0\"", fp);
2412                 if (item->ret_rcpt)
2413                         fputs(" reqretrcpt=\"1\"", fp);
2414
2415                 if (item->sort_key != SORT_BY_NONE) {
2416                         fprintf(fp, " sort_key=\"%s\"",
2417                                 sort_key_str[item->sort_key]);
2418                         if (item->sort_type == SORT_ASCENDING)
2419                                 fprintf(fp, " sort_type=\"ascending\"");
2420                         else
2421                                 fprintf(fp, " sort_type=\"descending\"");
2422                 }
2423
2424                 fprintf(fp,
2425                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" total=\"%d\"",
2426                         item->mtime, item->new, item->unread, item->total);
2427
2428                 if (item->account)
2429                         fprintf(fp, " account_id=\"%d\"",
2430                                 item->account->account_id);
2431                 if (item->apply_sub)
2432                         fputs(" apply_sub=\"1\"", fp);
2433         }
2434
2435         if (node->children) {
2436                 GNode *child;
2437                 fputs(">\n", fp);
2438
2439                 child = node->children;
2440                 while (child) {
2441                         GNode *cur;
2442
2443                         cur = child;
2444                         child = cur->next;
2445                         folder_write_list_recursive(cur, data);
2446                 }
2447
2448                 for (i = 0; i < depth; i++)
2449                         fputs("    ", fp);
2450                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2451         } else
2452                 fputs(" />\n", fp);
2453 }
2454
2455 static void folder_update_op_count_rec(GNode *node)
2456 {
2457         FolderItem *fitem = FOLDER_ITEM(node->data);
2458
2459         if (g_node_depth(node) > 0) {
2460                 if (fitem->op_count > 0) {
2461                         fitem->op_count = 0;
2462                         folder_update_item(fitem, FALSE);
2463                 }
2464                 if (node->children) {
2465                         GNode *child;
2466
2467                         child = node->children;
2468                         while (child) {
2469                                 GNode *cur;
2470
2471                                 cur = child;
2472                                 child = cur->next;
2473                                 folder_update_op_count_rec(cur);
2474                         }
2475                 }
2476         }
2477 }
2478
2479 void folder_update_op_count() {
2480         GList *cur;
2481         Folder *folder;
2482
2483         for (cur = folder_list; cur != NULL; cur = cur->next) {
2484                 folder = cur->data;
2485                 folder_update_op_count_rec(folder->node);
2486         }
2487 }
2488
2489 typedef struct _type_str {
2490         gchar * str;
2491         gint type;
2492 } type_str;
2493
2494
2495 /*
2496 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2497 {
2498         if (item->parent != NULL) {
2499                 gchar * path;
2500                 gchar * id;
2501
2502                 path = folder_item_get_tree_identifier(item->parent);
2503                 if (path == NULL)
2504                         return NULL;
2505
2506                 id = g_strconcat(path, "/", item->name, NULL);
2507                 g_free(path);
2508
2509                 return id;
2510         }
2511         else {
2512                 return g_strconcat("/", item->name, NULL);
2513         }
2514 }
2515 */
2516
2517 /* CLAWS: temporary local folder for filtering */
2518 static Folder *processing_folder;
2519 static FolderItem *processing_folder_item;
2520
2521 static void folder_create_processing_folder(void)
2522 {
2523 #define PROCESSING_FOLDER ".processing"
2524         Folder     *tmpparent;
2525         gchar      *tmpname;
2526
2527         tmpparent = folder_get_default_folder();
2528         g_assert(tmpparent);
2529         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2530         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2531                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2532                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2533                                       NULL);
2534         else
2535                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2536                                       LOCAL_FOLDER(tmpparent)->rootpath,
2537                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2538                                       NULL);
2539
2540         processing_folder = folder_new(F_MH, "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2541         g_assert(processing_folder);
2542
2543         if (!is_dir_exist(tmpname)) {
2544                 debug_print("*TMP* creating %s\n", tmpname);
2545                 processing_folder_item = processing_folder->create_folder(processing_folder,
2546                                                                           processing_folder->node->data,
2547                                                                           PROCESSING_FOLDER);
2548                 g_assert(processing_folder_item);
2549         }
2550         else {
2551                 debug_print("*TMP* already created\n");
2552                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2553                 g_assert(processing_folder_item);
2554                 folder_item_append(processing_folder->node->data, processing_folder_item);
2555         }
2556         g_free(tmpname);
2557 }
2558
2559 FolderItem *folder_get_default_processing(void)
2560 {
2561         if (!processing_folder_item) {
2562                 folder_create_processing_folder();
2563         }
2564         return processing_folder_item;
2565 }
2566
2567 /* folder_persist_prefs_new() - return hash table with persistent
2568  * settings (and folder name as key).
2569  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2570  * file, so those don't need to be included in PersistPref yet)
2571  */
2572 GHashTable *folder_persist_prefs_new(Folder *folder)
2573 {
2574         GHashTable *pptable;
2575
2576         g_return_val_if_fail(folder, NULL);
2577         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2578         folder_get_persist_prefs_recursive(folder->node, pptable);
2579         return pptable;
2580 }
2581
2582 void folder_persist_prefs_free(GHashTable *pptable)
2583 {
2584         g_return_if_fail(pptable);
2585         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2586         g_hash_table_destroy(pptable);
2587 }
2588
2589 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2590 {
2591         if (pptable == NULL || name == NULL) return NULL;
2592         return g_hash_table_lookup(pptable, name);
2593 }
2594
2595 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2596 {
2597         const PersistPrefs *pp;
2598         gchar *id = folder_item_get_identifier(item);
2599
2600         pp = folder_get_persist_prefs(pptable, id);
2601         g_free(id);
2602
2603         if (!pp) return;
2604
2605         /* CLAWS: since not all folder properties have been migrated to
2606          * folderlist.xml, we need to call the old stuff first before
2607          * setting things that apply both to Main and Claws. */
2608         prefs_folder_item_read_config(item);
2609
2610         item->collapsed = pp->collapsed;
2611         item->threaded  = pp->threaded;
2612         item->ret_rcpt  = pp->ret_rcpt;
2613         item->hide_read_msgs = pp->hide_read_msgs;
2614         item->sort_key  = pp->sort_key;
2615         item->sort_type = pp->sort_type;
2616 }
2617
2618 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2619 {
2620         FolderItem *item = FOLDER_ITEM(node->data);
2621         PersistPrefs *pp;
2622         GNode *child, *cur;
2623         gchar *id;
2624
2625         g_return_if_fail(node != NULL);
2626         g_return_if_fail(item != NULL);
2627
2628         /* NOTE: item->path == NULL means top level folder; not interesting
2629          * to store preferences of that one.  */
2630         if (item->path) {
2631                 id = folder_item_get_identifier(item);
2632                 pp = g_new0(PersistPrefs, 1);
2633                 g_return_if_fail(pp != NULL);
2634                 pp->collapsed = item->collapsed;
2635                 pp->threaded  = item->threaded;
2636                 pp->ret_rcpt  = item->ret_rcpt;
2637                 pp->hide_read_msgs = item->hide_read_msgs;
2638                 pp->sort_key  = item->sort_key;
2639                 pp->sort_type = item->sort_type;
2640                 g_hash_table_insert(pptable, id, pp);
2641         }
2642
2643         if (node->children) {
2644                 child = node->children;
2645                 while (child) {
2646                         cur = child;
2647                         child = cur->next;
2648                         folder_get_persist_prefs_recursive(cur, pptable);
2649                 }
2650         }
2651 }
2652
2653 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2654 {
2655         if (key)
2656                 g_free(key);
2657         if (val)
2658                 g_free(val);
2659         return TRUE;
2660 }
2661
2662 void folder_item_apply_processing(FolderItem *item)
2663 {
2664         GSList *processing_list;
2665         GSList *mlist, *cur;
2666
2667         g_return_if_fail(item != NULL);
2668
2669         processing_list = item->prefs->processing;
2670         if (processing_list == NULL)
2671                 return;
2672
2673         mlist = folder_item_get_msg_list(item);
2674
2675         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2676                 MsgInfo * msginfo;
2677
2678                 msginfo = (MsgInfo *) cur->data;
2679                 filter_message_by_msginfo(processing_list, msginfo);
2680                 procmsg_msginfo_free(msginfo);
2681         }
2682
2683         folder_update_items_when_required(FALSE);
2684
2685         g_slist_free(mlist);
2686 }
2687
2688 /*
2689  *  Callback handling for FolderItem content changes
2690  */
2691 GSList *folder_item_update_callbacks_list = NULL;
2692 gint    folder_item_update_callbacks_nextid = 0;
2693
2694 struct FolderItemUpdateCallback
2695 {
2696         gint                    id;
2697         FolderItemUpdateFunc    func;
2698         gpointer                data;
2699 };
2700
2701 gint folder_item_update_callback_register(FolderItemUpdateFunc func, gpointer data)
2702 {
2703         struct FolderItemUpdateCallback *callback;
2704
2705         g_return_val_if_fail(func != NULL, -1);
2706
2707         folder_item_update_callbacks_nextid++;
2708
2709         callback = g_new0(struct FolderItemUpdateCallback, 1);
2710         callback->id = folder_item_update_callbacks_nextid;
2711         callback->func = func;
2712         callback->data = data;
2713
2714         folder_item_update_callbacks_list =
2715                 g_slist_append(folder_item_update_callbacks_list, callback);
2716
2717         return folder_item_update_callbacks_nextid;
2718 }
2719
2720 void folder_item_update_callback_unregister(gint id)
2721 {
2722         GSList *list, *next;
2723
2724         for (list = folder_item_update_callbacks_list; list != NULL; list = next) {
2725                 struct FolderItemUpdateCallback *callback;
2726
2727                 next = list->next;
2728
2729                 callback = list->data;
2730                 if (callback->id == id) {
2731                         folder_item_update_callbacks_list =
2732                                 g_slist_remove(folder_item_update_callbacks_list, callback);
2733                         g_free(callback);
2734                 }
2735         }
2736 }
2737
2738 static void folder_item_update_callback_execute(FolderItem *item, gboolean contentchange)
2739 {
2740         GSList *list;
2741
2742         for (list = folder_item_update_callbacks_list; list != NULL; list = list->next) {
2743                 struct FolderItemUpdateCallback *callback;
2744
2745                 callback = list->data;
2746                 callback->func(item, contentchange, callback->data);
2747         }
2748 }
2749
2750 void folder_update_item(FolderItem *item, gboolean contentchange)
2751 {
2752         folder_item_update_callback_execute(item, contentchange);
2753 }
2754
2755 static void folder_update_item_func(FolderItem *item, gpointer contentchange)
2756 {
2757         if (item->need_update) {
2758                 folder_item_update_callback_execute(item, GPOINTER_TO_INT(contentchange));
2759                 item->need_update = FALSE;
2760         }
2761 }
2762
2763 void folder_update_items_when_required(gboolean contentchange)
2764 {
2765         folder_func_to_all_folders(folder_update_item_func, GINT_TO_POINTER(contentchange));
2766 }
2767
2768 void folder_update_item_recursive(FolderItem *item, gboolean update_summary)
2769 {
2770         GNode *node = item->folder->node;
2771         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2772         node = node->children;
2773         folder_item_update_callback_execute(item, update_summary);
2774         while (node != NULL) {
2775                 if (node && node->data) {
2776                         FolderItem *next_item = (FolderItem*) node->data;
2777                         folder_item_update_callback_execute(next_item, update_summary);
2778                 }
2779                 node = node->next;
2780         }
2781 }
2782
2783 #undef PUT_ESCAPE_STR