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->get_msginfo = NULL;
 127         folder->get_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->unreadmarked = 0;
 211         item->total = 0;
 212         item->last_num = -1;
 213         item->cache = NULL;
 214         item->no_sub = FALSE;
 215         item->no_select = FALSE;
 216         item->collapsed = FALSE;
 217         item->threaded  = TRUE;
 218         item->ret_rcpt  = FALSE;
 219         item->opened    = FALSE;
 220         item->parent = NULL;
 221         item->folder = NULL;
 222         item->account = NULL;
 223         item->apply_sub = FALSE;
 224         item->mark_queue = NULL;
 225         item->data = NULL;
 226
 227         item->prefs = prefs_folder_item_new();
 228
 229         return item;
 230 }
 231
 232 void folder_item_append(FolderItem *parent, FolderItem *item)
 233 {
 234         GNode *node;
 235
 236         g_return_if_fail(parent != NULL);
 237         g_return_if_fail(parent->folder != NULL);
 238         g_return_if_fail(item != NULL);
 239
 240         node = parent->folder->node;
 241         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 242         g_return_if_fail(node != NULL);
 243
 244         item->parent = parent;
 245         item->folder = parent->folder;
 246         g_node_append_data(node, item);
 247 }
 248
 249 void folder_item_remove(FolderItem *item)
 250 {
 251         GNode *node;
 252
 253         g_return_if_fail(item != NULL);
 254         g_return_if_fail(item->folder != NULL);
 255
 256         node = item->folder->node;
 257         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 258         g_return_if_fail(node != NULL);
 259
 260         /* TODO: free all FolderItem's first */
 261         if (item->folder->node == node)
 262                 item->folder->node = NULL;
 263         g_node_destroy(node);
 264 }
 265
 266 void folder_item_destroy(FolderItem *item)
 267 {
 268         g_return_if_fail(item != NULL);
 269
 270         debug_print("Destroying folder item %s\n", item->path);
 271
 272         if (item->cache)
 273                 folder_item_free_cache(item);
 274         g_free(item->name);
 275         g_free(item->path);
 276
 277         if (item->folder != NULL) {
 278                 if(item->folder->item_destroy) {
 279                         item->folder->item_destroy(item->folder, item);
 280                 } else {
 281                         g_free(item);
 282                 }
 283         }
 284 }
 285
 286 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 287 {
 288         g_return_if_fail(folder != NULL);
 289
 290         folder->ui_func = func;
 291         folder->ui_func_data = data;
 292 }
 293
 294 void folder_set_name(Folder *folder, const gchar *name)
 295 {
 296         g_return_if_fail(folder != NULL);
 297
 298         g_free(folder->name);
 299         folder->name = name ? g_strdup(name) : NULL;
 300         if (folder->node && folder->node->data) {
 301                 FolderItem *item = (FolderItem *)folder->node->data;
 302
 303                 g_free(item->name);
 304                 item->name = name ? g_strdup(name) : NULL;
 305         }
 306 }
 307
 308 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 309         FolderItem *item = (FolderItem *) node->data;
 310
 311         folder_item_destroy(item);
 312         return FALSE;
 313 }
 314
 315 void folder_tree_destroy(Folder *folder)
 316 {
 317         g_return_if_fail(folder != NULL);
 318         g_return_if_fail(folder->node != NULL);
 319
 320         prefs_scoring_clear();
 321         prefs_filtering_clear();
 322
 323         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 324         if (folder->node)
 325                 g_node_destroy(folder->node);
 326
 327         folder->inbox = NULL;
 328         folder->outbox = NULL;
 329         folder->draft = NULL;
 330         folder->queue = NULL;
 331         folder->trash = NULL;
 332         folder->node = NULL;
 333 }
 334
 335 void folder_add(Folder *folder)
 336 {
 337         Folder *cur_folder;
 338         GList *cur;
 339         gint i;
 340
 341         g_return_if_fail(folder != NULL);
 342
 343         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 344                 cur_folder = FOLDER(cur->data);
 345                 if (folder->type == F_MH) {
 346                         if (cur_folder->type != F_MH) break;
 347                 } else if (folder->type == F_MBOX) {
 348                         if (cur_folder->type != F_MH &&
 349                             cur_folder->type != F_MBOX) break;
 350                 } else if (folder->type == F_IMAP) {
 351                         if (cur_folder->type != F_MH &&
 352                             cur_folder->type != F_MBOX &&
 353                             cur_folder->type != F_IMAP) break;
 354                 } else if (folder->type == F_NEWS) {
 355                         if (cur_folder->type != F_MH &&
 356                             cur_folder->type != F_MBOX &&
 357                             cur_folder->type != F_IMAP &&
 358                             cur_folder->type != F_NEWS) break;
 359                 }
 360         }
 361
 362         folder_list = g_list_insert(folder_list, folder, i);
 363 }
 364
 365 GList *folder_get_list(void)
 366 {
 367         return folder_list;
 368 }
 369
 370 gint folder_read_list(void)
 371 {
 372         GNode *node;
 373         XMLNode *xmlnode;
 374         gchar *path;
 375
 376         path = folder_get_list_path();
 377         if (!is_file_exist(path)) return -1;
 378         node = xml_parse_file(path);
 379         if (!node) return -1;
 380
 381         xmlnode = node->data;
 382         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 383                 g_warning("wrong folder list\n");
 384                 xml_free_tree(node);
 385                 return -1;
 386         }
 387
 388         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 389                         folder_read_folder_func, NULL);
 390
 391         xml_free_tree(node);
 392         if (folder_list)
 393                 return 0;
 394         else
 395                 return -1;
 396 }
 397
 398 void folder_write_list(void)
 399 {
 400         GList *list;
 401         Folder *folder;
 402         gchar *path;
 403         PrefFile *pfile;
 404
 405         path = folder_get_list_path();
 406         if ((pfile = prefs_write_open(path)) == NULL) return;
 407
 408         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 409                 conv_get_current_charset_str());
 410         fputs("\n<folderlist>\n", pfile->fp);
 411
 412         for (list = folder_list; list != NULL; list = list->next) {
 413                 folder = list->data;
 414                 folder_write_list_recursive(folder->node, pfile->fp);
 415         }
 416
 417         fputs("</folderlist>\n", pfile->fp);
 418
 419         if (prefs_write_close(pfile) < 0)
 420                 g_warning("failed to write folder list.\n");
 421 }
 422
 423 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 424 {
 425         GHashTable *pptable = (GHashTable *)data;
 426         FolderItem *item = (FolderItem *)node->data;
 427
 428         folder_item_restore_persist_prefs(item, pptable);
 429
 430         return FALSE;
 431 }
 432
 433 void folder_scan_tree(Folder *folder)
 434 {
 435         GHashTable *pptable;
 436
 437         if (!folder->scan_tree)
 438                 return;
 439
 440         pptable = folder_persist_prefs_new(folder);
 441         folder_tree_destroy(folder);
 442
 443         folder->scan_tree(folder);
 444
 445         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 446         folder_persist_prefs_free(pptable);
 447
 448         prefs_matcher_read_config();
 449
 450         folder_write_list();
 451 }
 452
 453 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 454 {
 455         FolderItem *new_item;
 456
 457         new_item = parent->folder->create_folder(parent->folder, parent, name);
 458         if (new_item)
 459                 new_item->cache = msgcache_new();
 460
 461         return new_item;
 462 }
 463
 464 struct TotalMsgCount
 465 {
 466         guint new;
 467         guint unread;
 468         guint unreadmarked;
 469         guint total;
 470 };
 471
 472 struct FuncToAllFoldersData
 473 {
 474         FolderItemFunc  function;
 475         gpointer        data;
 476 };
 477
 478 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 479 {
 480         FolderItem *item;
 481         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 482
 483         g_return_val_if_fail(node->data != NULL, FALSE);
 484
 485         item = FOLDER_ITEM(node->data);
 486         g_return_val_if_fail(item != NULL, FALSE);
 487
 488         function_data->function(item, function_data->data);
 489
 490         return FALSE;
 491 }
 492
 493 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 494 {
 495         GList *list;
 496         Folder *folder;
 497         struct FuncToAllFoldersData function_data;
 498
 499         function_data.function = function;
 500         function_data.data = data;
 501
 502         for (list = folder_list; list != NULL; list = list->next) {
 503                 folder = FOLDER(list->data);
 504                 if (folder->node)
 505                         g_node_traverse(folder->node, G_PRE_ORDER,
 506                                         G_TRAVERSE_ALL, -1,
 507                                         folder_func_to_all_folders_func,
 508                                         &function_data);
 509         }
 510 }
 511
 512 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 513 {
 514         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 515
 516         count->new += item->new;
 517         count->unread += item->unread;
 518         count->unreadmarked += item->unreadmarked;
 519         count->total += item->total;
 520 }
 521
 522 void folder_count_total_msgs(guint *new, guint *unread, guint *unreadmarked, guint *total)
 523 {
 524         struct TotalMsgCount count;
 525
 526         count.new = count.unread = count.unreadmarked = count.total = 0;
 527
 528         debug_print("Counting total number of messages...\n");
 529
 530         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 531
 532         *new = count.new;
 533         *unread = count.unread;
 534         *unreadmarked = count.unreadmarked;
 535         *total = count.total;
 536 }
 537
 538 Folder *folder_find_from_path(const gchar *path)
 539 {
 540         GList *list;
 541         Folder *folder;
 542
 543         for (list = folder_list; list != NULL; list = list->next) {
 544                 folder = list->data;
 545                 if ((folder->type == F_MH || folder->type == F_MBOX) &&
 546                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 547                         return folder;
 548         }
 549
 550         return NULL;
 551 }
 552
 553 Folder *folder_find_from_name(const gchar *name, FolderType type)
 554 {
 555         GList *list;
 556         Folder *folder;
 557
 558         for (list = folder_list; list != NULL; list = list->next) {
 559                 folder = list->data;
 560                 if (folder->type == type && strcmp2(name, folder->name) == 0)
 561                         return folder;
 562         }
 563
 564         return NULL;
 565 }
 566
 567 static gboolean folder_item_find_func(GNode *node, gpointer data)
 568 {
 569         FolderItem *item = node->data;
 570         gpointer *d = data;
 571         const gchar *path = d[0];
 572
 573         if (path_cmp(path, item->path) != 0)
 574                 return FALSE;
 575
 576         d[1] = item;
 577
 578         return TRUE;
 579 }
 580
 581 FolderItem *folder_find_item_from_path(const gchar *path)
 582 {
 583         Folder *folder;
 584         gpointer d[2];
 585
 586         folder = folder_get_default_folder();
 587         g_return_val_if_fail(folder != NULL, NULL);
 588
 589         d[0] = (gpointer)path;
 590         d[1] = NULL;
 591         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 592                         folder_item_find_func, d);
 593         return d[1];
 594 }
 595
 596 static const struct {
 597         gchar *str;
 598         FolderType type;
 599 } type_str_table[] = {
 600         {"#mh"     , F_MH},
 601         {"#mbox"   , F_MBOX},
 602         {"#maildir", F_MAILDIR},
 603         {"#imap"   , F_IMAP},
 604         {"#news"   , F_NEWS}
 605 };
 606
 607 static gchar *folder_get_type_string(FolderType type)
 608 {
 609         gint i;
 610
 611         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 612              i++) {
 613                 if (type_str_table[i].type == type)
 614                         return type_str_table[i].str;
 615         }
 616
 617         return NULL;
 618 }
 619
 620 static FolderType folder_get_type_from_string(const gchar *str)
 621 {
 622         gint i;
 623
 624         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 625              i++) {
 626                 if (g_strcasecmp(type_str_table[i].str, str) == 0)
 627                         return type_str_table[i].type;
 628         }
 629
 630         return F_UNKNOWN;
 631 }
 632
 633 gchar *folder_get_identifier(Folder *folder)
 634 {
 635         gchar *type_str;
 636
 637         g_return_val_if_fail(folder != NULL, NULL);
 638
 639         type_str = folder_get_type_string(folder->type);
 640         return g_strconcat(type_str, "/", folder->name, NULL);
 641 }
 642
 643 gchar *folder_item_get_identifier(FolderItem *item)
 644 {
 645         gchar *id;
 646         gchar *folder_id;
 647
 648         g_return_val_if_fail(item != NULL, NULL);
 649         g_return_val_if_fail(item->path != NULL, NULL);
 650
 651         folder_id = folder_get_identifier(item->folder);
 652         id = g_strconcat(folder_id, "/", item->path, NULL);
 653         g_free(folder_id);
 654
 655         return id;
 656 }
 657
 658 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 659 {
 660         Folder *folder;
 661         gpointer d[2];
 662         gchar *str;
 663         gchar *p;
 664         gchar *name;
 665         gchar *path;
 666         FolderType type;
 667
 668         g_return_val_if_fail(identifier != NULL, NULL);
 669
 670         if (*identifier != '#')
 671                 return folder_find_item_from_path(identifier);
 672
 673         Xstrdup_a(str, identifier, return NULL);
 674
 675         p = strchr(str, '/');
 676         if (!p)
 677                 return folder_find_item_from_path(identifier);
 678         *p = '\0';
 679         p++;
 680         type = folder_get_type_from_string(str);
 681         if (type == F_UNKNOWN)
 682                 return folder_find_item_from_path(identifier);
 683
 684         name = p;
 685         p = strchr(p, '/');
 686         if (!p)
 687                 return folder_find_item_from_path(identifier);
 688         *p = '\0';
 689         p++;
 690
 691         folder = folder_find_from_name(name, type);
 692         if (!folder)
 693                 return folder_find_item_from_path(identifier);
 694
 695         path = p;
 696
 697         d[0] = (gpointer)path;
 698         d[1] = NULL;
 699         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 700                         folder_item_find_func, d);
 701         return d[1];
 702 }
 703
 704 Folder *folder_get_default_folder(void)
 705 {
 706         return folder_list ? FOLDER(folder_list->data) : NULL;
 707 }
 708
 709 FolderItem *folder_get_default_inbox(void)
 710 {
 711         Folder *folder;
 712
 713         if (!folder_list) return NULL;
 714         folder = FOLDER(folder_list->data);
 715         g_return_val_if_fail(folder != NULL, NULL);
 716         return folder->inbox;
 717 }
 718
 719 FolderItem *folder_get_default_outbox(void)
 720 {
 721         Folder *folder;
 722
 723         if (!folder_list) return NULL;
 724         folder = FOLDER(folder_list->data);
 725         g_return_val_if_fail(folder != NULL, NULL);
 726         return folder->outbox;
 727 }
 728
 729 FolderItem *folder_get_default_draft(void)
 730 {
 731         Folder *folder;
 732
 733         if (!folder_list) return NULL;
 734         folder = FOLDER(folder_list->data);
 735         g_return_val_if_fail(folder != NULL, NULL);
 736         return folder->draft;
 737 }
 738
 739 FolderItem *folder_get_default_queue(void)
 740 {
 741         Folder *folder;
 742
 743         if (!folder_list) return NULL;
 744         folder = FOLDER(folder_list->data);
 745         g_return_val_if_fail(folder != NULL, NULL);
 746         return folder->queue;
 747 }
 748
 749 FolderItem *folder_get_default_trash(void)
 750 {
 751         Folder *folder;
 752
 753         if (!folder_list) return NULL;
 754         folder = FOLDER(folder_list->data);
 755         g_return_val_if_fail(folder != NULL, NULL);
 756         return folder->trash;
 757 }
 758
 759 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 760 {                                                               \
 761         if (!folder->member) {                                  \
 762                 item = folder_item_new(folder, dir, dir);       \
 763                 item->stype = type;                             \
 764                 folder_item_append(rootitem, item);             \
 765                 folder->member = item;                          \
 766         }                                                       \
 767 }
 768
 769 void folder_set_missing_folders(void)
 770 {
 771         Folder *folder;
 772         FolderItem *rootitem;
 773         FolderItem *item;
 774         GList *list;
 775
 776         for (list = folder_list; list != NULL; list = list->next) {
 777                 folder = list->data;
 778                 if (folder->type != F_MH) continue;
 779                 rootitem = FOLDER_ITEM(folder->node->data);
 780                 g_return_if_fail(rootitem != NULL);
 781
 782                 if (folder->inbox && folder->outbox && folder->draft &&
 783                     folder->queue && folder->trash)
 784                         continue;
 785
 786                 if (folder->create_tree(folder) < 0) {
 787                         g_warning("%s: can't create the folder tree.\n",
 788                                   LOCAL_FOLDER(folder)->rootpath);
 789                         continue;
 790                 }
 791
 792                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 793                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 794                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 795                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 796                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 797         }
 798 }
 799
 800 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 801 {
 802         FolderItem *item = node->data;
 803         PrefsAccount *account = data;
 804
 805         if (item->account == account)
 806                 item->account = NULL;
 807
 808         return FALSE;
 809 }
 810
 811 void folder_unref_account_all(PrefsAccount *account)
 812 {
 813         Folder *folder;
 814         GList *list;
 815
 816         if (!account) return;
 817
 818         for (list = folder_list; list != NULL; list = list->next) {
 819                 folder = list->data;
 820                 if (folder->account == account)
 821                         folder->account = NULL;
 822                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 823                                 folder_unref_account_func, account);
 824         }
 825 }
 826
 827 #undef CREATE_FOLDER_IF_NOT_EXIST
 828
 829 gchar *folder_get_path(Folder *folder)
 830 {
 831         gchar *path;
 832
 833         g_return_val_if_fail(folder != NULL, NULL);
 834
 835         switch(FOLDER_TYPE(folder)) {
 836
 837                 case F_MH:
 838                         path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 839                         break;
 840
 841                 case F_IMAP:
 842                         g_return_val_if_fail(folder->account != NULL, NULL);
 843                         path = g_strconcat(get_imap_cache_dir(),
 844                                            G_DIR_SEPARATOR_S,
 845                                            folder->account->recv_server,
 846                                            G_DIR_SEPARATOR_S,
 847                                            folder->account->userid,
 848                                            NULL);
 849                         break;
 850
 851                 case F_NEWS:
 852                         g_return_val_if_fail(folder->account != NULL, NULL);
 853                         path = g_strconcat(get_news_cache_dir(),
 854                                            G_DIR_SEPARATOR_S,
 855                                            folder->account->nntp_server,
 856                                            NULL);
 857                         break;
 858
 859                 default:
 860                         path = NULL;
 861                         break;
 862         }
 863
 864         return path;
 865 }
 866
 867 gchar *folder_item_get_path(FolderItem *item)
 868 {
 869         gchar *folder_path;
 870         gchar *path;
 871
 872         g_return_val_if_fail(item != NULL, NULL);
 873
 874         if(FOLDER_TYPE(item->folder) != F_MBOX) {
 875                 folder_path = folder_get_path(item->folder);
 876                 g_return_val_if_fail(folder_path != NULL, NULL);
 877
 878                 if (folder_path[0] == G_DIR_SEPARATOR) {
 879                         if (item->path)
 880                                 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 881                                                    item->path, NULL);
 882                         else
 883                                 path = g_strdup(folder_path);
 884                 } else {
 885                         if (item->path)
 886                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 887                                                    folder_path, G_DIR_SEPARATOR_S,
 888                                                    item->path, NULL);
 889                         else
 890                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 891                                                    folder_path, NULL);
 892                 }
 893
 894                 g_free(folder_path);
 895         } else {
 896                 gchar *itempath;
 897
 898                 itempath = mbox_get_virtual_path(item);
 899                 if (itempath == NULL)
 900                         return NULL;
 901                 path = g_strconcat(get_mbox_cache_dir(),
 902                                           G_DIR_SEPARATOR_S, itempath, NULL);
 903                 g_free(itempath);
 904         }
 905         return path;
 906 }
 907
 908 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 909 {
 910         if (!(dest->stype == F_OUTBOX ||
 911               dest->stype == F_QUEUE  ||
 912               dest->stype == F_DRAFT  ||
 913               dest->stype == F_TRASH)) {
 914                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 915         } else {
 916                 flags->perm_flags = 0;
 917         }
 918         flags->tmp_flags = MSG_CACHED;
 919         if (dest->folder->type == F_MH) {
 920                 if (dest->stype == F_QUEUE) {
 921                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 922                 } else if (dest->stype == F_DRAFT) {
 923                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 924                 }
 925         } else if (dest->folder->type == F_IMAP) {
 926                 MSG_SET_TMP_FLAGS(*flags, MSG_IMAP);
 927         } else if (dest->folder->type == F_NEWS) {
 928                 MSG_SET_TMP_FLAGS(*flags, MSG_NEWS);
 929         }
 930 }
 931
 932 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 933 {
 934         MsgInfo *msginfo_a = (MsgInfo *) a;
 935         MsgInfo *msginfo_b = (MsgInfo *) b;
 936
 937         return (msginfo_a->msgnum - msginfo_b->msgnum);
 938 }
 939
 940 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 941 {
 942         guint gint_a = GPOINTER_TO_INT(a);
 943         guint gint_b = GPOINTER_TO_INT(b);
 944
 945         return (gint_a - gint_b);
 946 }
 947
 948 gint folder_item_open(FolderItem *item)
 949 {
 950         if(((item->folder->type == F_IMAP) && !item->no_select) || (item->folder->type == F_NEWS)) {
 951                 folder_item_scan(item);
 952         }
 953
 954         /* Processing */
 955         if(item->prefs->processing != NULL) {
 956                 gchar *buf;
 957
 958                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
 959                 debug_print("%s\n", buf);
 960                 g_free(buf);
 961
 962                 folder_item_apply_processing(item);
 963
 964                 debug_print("done.\n");
 965         }
 966
 967         return 0;
 968 }
 969
 970 void folder_item_close(FolderItem *item)
 971 {
 972         GSList *mlist, *cur;
 973
 974         g_return_if_fail(item != NULL);
 975
 976         if (item->new) {
 977                 mlist = folder_item_get_msg_list(item);
 978                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
 979                         MsgInfo * msginfo;
 980
 981                         msginfo = (MsgInfo *) cur->data;
 982                         if (MSG_IS_NEW(msginfo->flags))
 983                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
 984                         procmsg_msginfo_free(msginfo);
 985                 }
 986                 g_slist_free(mlist);
 987         }
 988
 989         folder_item_write_cache(item);
 990
 991         folder_update_item(item, FALSE);
 992
 993 }
 994
 995 gint folder_item_scan(FolderItem *item)
 996 {
 997         Folder *folder;
 998         GSList *folder_list = NULL, *cache_list = NULL, *folder_list_cur, *cache_list_cur, *new_list = NULL;
 999         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1000         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1001         gboolean contentchange = FALSE;
1002
1003         g_return_val_if_fail(item != NULL, -1);
1004         if (item->path == NULL) return -1;
1005
1006         folder = item->folder;
1007
1008         g_return_val_if_fail(folder != NULL, -1);
1009         g_return_val_if_fail(folder->get_num_list != NULL, -1);
1010
1011         debug_print("Scanning folder %s for cache changes.\n", item->path);
1012
1013         /* Get list of messages for folder and cache */
1014         if (folder->get_num_list(item->folder, item, &folder_list) < 0) {
1015                 debug_print("Error fetching list of message numbers\n");
1016                 return(-1);
1017         }
1018
1019         if (!folder->check_msgnum_validity ||
1020             folder->check_msgnum_validity(folder, item)) {
1021                 if (!item->cache)
1022                         folder_item_read_cache(item);
1023                 cache_list = msgcache_get_msg_list(item->cache);
1024         } else {
1025                 if (item->cache)
1026                         msgcache_destroy(item->cache);
1027                 item->cache = msgcache_new();
1028                 cache_list = NULL;
1029         }
1030
1031         /* Sort both lists */
1032         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1033         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1034
1035         cache_list_cur = cache_list;
1036         folder_list_cur = folder_list;
1037
1038         if (cache_list_cur != NULL) {
1039                 GSList *cache_list_last;
1040
1041                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1042                 cache_list_last = g_slist_last(cache_list);
1043                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1044         } else {
1045                 cache_cur_num = G_MAXINT;
1046                 cache_max_num = 0;
1047         }
1048
1049         if (folder_list_cur != NULL) {
1050                 GSList *folder_list_last;
1051
1052                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1053                 folder_list_last = g_slist_last(folder_list);
1054                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1055         } else {
1056                 folder_cur_num = G_MAXINT;
1057                 folder_max_num = 0;
1058         }
1059
1060         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1061                 /*
1062                  *  Message only exists in the folder
1063                  *  Remember message for fetching
1064                  */
1065                 if (folder_cur_num < cache_cur_num) {
1066                         gboolean add = FALSE;
1067
1068                         switch(folder->type) {
1069                                 case F_NEWS:
1070                                         if (folder_cur_num < cache_max_num)
1071                                                 break;
1072
1073                                         if (prefs_common.max_articles == 0) {
1074                                                 add = TRUE;
1075                                         }
1076
1077                                         if (folder_max_num <= prefs_common.max_articles) {
1078                                                 add = TRUE;
1079                                         } else if (folder_cur_num > (folder_max_num - prefs_common.max_articles)) {
1080                                                 add = TRUE;
1081                                         }
1082                                         break;
1083                                 default:
1084                                         add = TRUE;
1085                                         break;
1086                         }
1087
1088                         if (add) {
1089                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1090                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1091                         }
1092
1093                         /* Move to next folder number */
1094                         folder_list_cur = folder_list_cur->next;
1095
1096                         if (folder_list_cur != NULL)
1097                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1098                         else
1099                                 folder_cur_num = G_MAXINT;
1100
1101                         contentchange = TRUE;
1102
1103                         continue;
1104                 }
1105
1106                 /*
1107                  *  Message only exists in the cache
1108                  *  Remove the message from the cache
1109                  */
1110                 if (cache_cur_num < folder_cur_num) {
1111                         msgcache_remove_msg(item->cache, cache_cur_num);
1112                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1113
1114                         /* Move to next cache number */
1115                         cache_list_cur = cache_list_cur->next;
1116
1117                         if (cache_list_cur != NULL)
1118                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1119                         else
1120                                 cache_cur_num = G_MAXINT;
1121
1122                         contentchange = TRUE;
1123
1124                         continue;
1125                 }
1126
1127                 /*
1128                  *  Message number exists in folder and cache!
1129                  *  Check if the message has been modified
1130                  */
1131                 if (cache_cur_num == folder_cur_num) {
1132                         MsgInfo *msginfo;
1133
1134                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1135                         if (folder->is_msg_changed && folder->is_msg_changed(folder, item, msginfo)) {
1136                                 MsgInfo *newmsginfo;
1137
1138                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1139
1140                                 if (NULL != (newmsginfo = folder->get_msginfo(folder, item, folder_cur_num))) {
1141                                         msgcache_add_msg(item->cache, newmsginfo);
1142                                         if (MSG_IS_NEW(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1143                                                 newcnt++;
1144                                         if (MSG_IS_UNREAD(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1145                                                 unreadcnt++;
1146                                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1147                                                 unreadmarkedcnt++;
1148                                         procmsg_msginfo_free(newmsginfo);
1149                                 }
1150
1151                                 debug_print("Updated msginfo for message %d.\n", folder_cur_num);
1152                         } else {
1153                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1154                                         newcnt++;
1155                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1156                                         unreadcnt++;
1157                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1158                                         unreadmarkedcnt++;
1159                         }
1160                         totalcnt++;
1161                         procmsg_msginfo_free(msginfo);
1162
1163                         /* Move to next folder and cache number */
1164                         cache_list_cur = cache_list_cur->next;
1165                         folder_list_cur = folder_list_cur->next;
1166
1167                         if (cache_list_cur != NULL)
1168                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1169                         else
1170                                 cache_cur_num = G_MAXINT;
1171
1172                         if (folder_list_cur != NULL)
1173                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1174                         else
1175                                 folder_cur_num = G_MAXINT;
1176
1177                         contentchange = TRUE;
1178
1179                         continue;
1180                 }
1181         }
1182
1183         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur)) {
1184                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1185         }
1186
1187         g_slist_free(cache_list);
1188         g_slist_free(folder_list);
1189
1190         if (folder->get_msginfos) {
1191                 GSList *elem;
1192                 GSList *newmsg_list;
1193                 MsgInfo *msginfo;
1194
1195                 if (new_list) {
1196                         newmsg_list = folder->get_msginfos(folder, item, new_list);
1197                         for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1198                                 msginfo = (MsgInfo *) elem->data;
1199                                 msgcache_add_msg(item->cache, msginfo);
1200                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1201                                         newcnt++;
1202                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1203                                         unreadcnt++;
1204                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1205                                         unreadmarkedcnt++;
1206                                 totalcnt++;
1207                                 procmsg_msginfo_free(msginfo);
1208                         }
1209                         g_slist_free(newmsg_list);
1210                 }
1211         } else if (folder->get_msginfo) {
1212                 GSList *elem;
1213
1214                 for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1215                         MsgInfo *msginfo;
1216                         guint num;
1217
1218                         num = GPOINTER_TO_INT(elem->data);
1219                         msginfo = folder->get_msginfo(folder, item, num);
1220                         if (msginfo != NULL) {
1221                                 msgcache_add_msg(item->cache, msginfo);
1222                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1223                                     newcnt++;
1224                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1225                                     unreadcnt++;
1226                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1227                                         unreadmarkedcnt++;
1228                                 totalcnt++;
1229                                 procmsg_msginfo_free(msginfo);
1230                                 debug_print("Added newly found message %d to cache.\n", num);
1231                         }
1232                 }
1233         }
1234
1235         item->new = newcnt;
1236         item->unread = unreadcnt;
1237         item->total = totalcnt;
1238         item->unreadmarked = unreadmarkedcnt;
1239         g_slist_free(new_list);
1240
1241         folder_update_item(item, contentchange);
1242
1243         return 0;
1244 }
1245
1246 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1247                                           gpointer data)
1248 {
1249         folder_item_scan(FOLDER_ITEM(key));
1250 }
1251
1252 void folder_item_scan_foreach(GHashTable *table)
1253 {
1254         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1255 }
1256
1257 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1258 {
1259         gint *memusage = (gint *)data;
1260
1261         if (item->cache == NULL)
1262                 return;
1263
1264         *memusage += msgcache_get_memory_usage(item->cache);
1265 }
1266
1267 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1268 {
1269         FolderItem *fa = (FolderItem *)a;
1270         FolderItem *fb = (FolderItem *)b;
1271
1272         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1273 }
1274
1275 void folder_find_expired_caches(FolderItem *item, gpointer data)
1276 {
1277         GSList **folder_item_list = (GSList **)data;
1278         gint difftime, expiretime;
1279
1280         if (item->cache == NULL)
1281                 return;
1282
1283         if (item->opened > 0)
1284                 return;
1285
1286         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1287         expiretime = prefs_common.cache_min_keep_time * 60;
1288         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1289         if (difftime > expiretime) {
1290                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1291         }
1292 }
1293
1294 void folder_item_free_cache(FolderItem *item)
1295 {
1296         g_return_if_fail(item != NULL);
1297
1298         if (item->cache == NULL)
1299                 return;
1300
1301         if (item->opened > 0)
1302                 return;
1303
1304         folder_item_write_cache(item);
1305         msgcache_destroy(item->cache);
1306         item->cache = NULL;
1307 }
1308
1309 void folder_clean_cache_memory()
1310 {
1311         gint memusage = 0;
1312
1313         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1314         debug_print("Total cache memory usage: %d\n", memusage);
1315
1316         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1317                 GSList *folder_item_list = NULL, *listitem;
1318
1319                 debug_print("Trying to free cache memory\n");
1320
1321                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1322                 listitem = folder_item_list;
1323                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1324                         FolderItem *item = (FolderItem *)(listitem->data);
1325
1326                         debug_print("Freeing cache memory for %s\n", item->path);
1327                         memusage -= msgcache_get_memory_usage(item->cache);
1328                         folder_item_free_cache(item);
1329                         listitem = listitem->next;
1330                 }
1331                 g_slist_free(folder_item_list);
1332         }
1333 }
1334
1335 void folder_item_read_cache(FolderItem *item)
1336 {
1337         gchar *cache_file, *mark_file;
1338
1339         g_return_if_fail(item != NULL);
1340
1341         cache_file = folder_item_get_cache_file(item);
1342         mark_file = folder_item_get_mark_file(item);
1343         item->cache = msgcache_read_cache(item, cache_file);
1344         if (!item->cache) {
1345                 item->cache = msgcache_new();
1346                 folder_item_scan(item);
1347         }
1348         msgcache_read_mark(item->cache, mark_file);
1349         g_free(cache_file);
1350         g_free(mark_file);
1351
1352         folder_clean_cache_memory();
1353 }
1354
1355 void folder_item_write_cache(FolderItem *item)
1356 {
1357         gchar *cache_file, *mark_file;
1358         PrefsFolderItem *prefs;
1359         gint filemode = 0;
1360         gchar *id;
1361
1362         if (!item || !item->path || !item->cache)
1363                 return;
1364
1365         id = folder_item_get_identifier(item);
1366         debug_print("Save cache for folder %s\n", id);
1367         g_free(id);
1368
1369         cache_file = folder_item_get_cache_file(item);
1370         mark_file = folder_item_get_mark_file(item);
1371         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1372                 prefs = item->prefs;
1373                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1374                         /* for cache file */
1375                         filemode = prefs->folder_chmod;
1376                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1377                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1378                         chmod(cache_file, filemode);
1379                 }
1380         }
1381
1382         g_free(cache_file);
1383         g_free(mark_file);
1384 }
1385
1386 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
1387 {
1388         Folder *folder;
1389         MsgInfo *msginfo;
1390
1391         g_return_val_if_fail(item != NULL, NULL);
1392
1393         folder = item->folder;
1394         if (!item->cache)
1395                 folder_item_read_cache(item);
1396
1397         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1398                 return msginfo;
1399
1400         g_return_val_if_fail(folder->get_msginfo, NULL);
1401         if ((msginfo = folder->get_msginfo(folder, item, num)) != NULL) {
1402                 msgcache_add_msg(item->cache, msginfo);
1403                 return msginfo;
1404         }
1405
1406         return NULL;
1407 }
1408
1409 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
1410 {
1411         Folder *folder;
1412         MsgInfo *msginfo;
1413
1414         g_return_val_if_fail(item != NULL, NULL);
1415
1416         folder = item->folder;
1417         if (!item->cache)
1418                 folder_item_read_cache(item);
1419
1420         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1421                 return msginfo;
1422
1423         return NULL;
1424 }
1425
1426 GSList *folder_item_get_msg_list(FolderItem *item)
1427 {
1428         g_return_val_if_fail(item != NULL, NULL);
1429
1430         if (item->cache == 0)
1431                 folder_item_read_cache(item);
1432
1433         g_return_val_if_fail(item->cache != NULL, NULL);
1434
1435         return msgcache_get_msg_list(item->cache);
1436 }
1437
1438 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1439 {
1440         Folder *folder;
1441
1442         g_return_val_if_fail(item != NULL, NULL);
1443
1444         folder = item->folder;
1445
1446         g_return_val_if_fail(folder->fetch_msg != NULL, NULL);
1447
1448         return folder->fetch_msg(folder, item, num);
1449 }
1450
1451 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1452                          gboolean remove_source)
1453 {
1454         Folder *folder;
1455         gint num;
1456         MsgInfo *msginfo;
1457
1458         g_return_val_if_fail(dest != NULL, -1);
1459         g_return_val_if_fail(file != NULL, -1);
1460
1461         folder = dest->folder;
1462
1463         g_return_val_if_fail(folder->add_msg != NULL, -1);
1464
1465         if (!dest->cache)
1466                 folder_item_read_cache(dest);
1467
1468         num = folder->add_msg(folder, dest, file, remove_source);
1469
1470         if (num > 0) {
1471                 msginfo = folder->get_msginfo(folder, dest, num);
1472
1473                 if (msginfo != NULL) {
1474                         if (MSG_IS_NEW(msginfo->flags))
1475                                 dest->new++;
1476                         if (MSG_IS_UNREAD(msginfo->flags))
1477                                 dest->unread++;
1478                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1479                                 dest->unreadmarked++;
1480                         dest->total++;
1481                         dest->need_update = TRUE;
1482
1483                         msgcache_add_msg(dest->cache, msginfo);
1484
1485                         procmsg_msginfo_free(msginfo);
1486                 }
1487
1488                 dest->last_num = num;
1489         }
1490
1491         return num;
1492 }
1493
1494 /*
1495 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1496 {
1497         Folder *folder;
1498         gint num;
1499
1500         g_return_val_if_fail(dest != NULL, -1);
1501         g_return_val_if_fail(msginfo != NULL, -1);
1502
1503         folder = dest->folder;
1504         if (dest->last_num < 0) folder->scan(folder, dest);
1505
1506         num = folder->move_msg(folder, dest, msginfo);
1507         if (num > 0) dest->last_num = num;
1508
1509         return num;
1510 }
1511 */
1512
1513 FolderItem *folder_item_move_recursive (FolderItem *src, FolderItem *dest)
1514 {
1515         GSList *mlist;
1516         GSList *cur;
1517         FolderItem *new_item;
1518         FolderItem *next_item;
1519         GNode *srcnode;
1520         int cnt = 0;
1521         gchar *old_id, *new_id;
1522
1523         mlist = folder_item_get_msg_list(src);
1524
1525         /* move messages */
1526         debug_print("Moving %s to %s\n", src->path, dest->path);
1527         new_item = folder_create_folder(dest, g_basename(src->path));
1528         if (new_item == NULL) {
1529                 printf("Can't create folder\n");
1530                 return NULL;
1531         }
1532
1533         if (new_item->folder == NULL)
1534                 new_item->folder = dest->folder;
1535
1536         /* move messages */
1537         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1538                 MsgInfo * msginfo;
1539                 cnt++;
1540                 if (cnt%500)
1541                         statusbar_print_all(_("Moving %s to %s (%d%%)..."), src->name,
1542                                         new_item->path,
1543                                         100*cnt/g_slist_length(mlist));
1544                 msginfo = (MsgInfo *) cur->data;
1545                 folder_item_move_msg(new_item, msginfo);
1546                 if (cnt%500)
1547                         statusbar_pop_all();
1548
1549                 procmsg_msginfo_free(msginfo);
1550         }
1551
1552         /*copy prefs*/
1553         prefs_folder_item_copy_prefs(src, new_item);
1554         new_item->collapsed = src->collapsed;
1555         new_item->threaded  = src->threaded;
1556         new_item->ret_rcpt  = src->ret_rcpt;
1557         new_item->hide_read_msgs = src->hide_read_msgs;
1558         new_item->sort_key  = src->sort_key;
1559         new_item->sort_type = src->sort_type;
1560
1561         prefs_matcher_write_config();
1562
1563         /* recurse */
1564         srcnode = src->folder->node;
1565         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1566         srcnode = srcnode->children;
1567         while (srcnode != NULL) {
1568                 if (srcnode && srcnode->data) {
1569                         next_item = (FolderItem*) srcnode->data;
1570                         srcnode = srcnode->next;
1571                         if (folder_item_move_recursive(next_item, new_item) == NULL)
1572                                 return NULL;
1573                 }
1574         }
1575         old_id = folder_item_get_identifier(src);
1576         new_id = folder_item_get_identifier(new_item);
1577         debug_print("updating rules : %s => %s\n", old_id, new_id);
1578
1579         src->folder->remove_folder(src->folder, src);
1580         folder_write_list();
1581
1582         if (old_id != NULL && new_id != NULL)
1583                 prefs_filtering_rename_path(old_id, new_id);
1584         g_free(old_id);
1585         g_free(new_id);
1586
1587         return new_item;
1588 }
1589
1590 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
1591 {
1592         FolderItem *tmp = dest->parent;
1593         char * src_identifier, * dst_identifier, * new_identifier;
1594         char * phys_srcpath, * phys_dstpath;
1595         GNode *src_node;
1596
1597         while (tmp) {
1598                 if (tmp == src) {
1599                         return F_MOVE_FAILED_DEST_IS_CHILD;
1600                 }
1601                 tmp = tmp->parent;
1602         }
1603
1604         tmp = src->parent;
1605
1606         src_identifier = folder_item_get_identifier(src);
1607         dst_identifier = folder_item_get_identifier(dest);
1608
1609         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
1610                 /* dest can be a root folder */
1611                 dst_identifier = folder_get_identifier(dest->folder);
1612         }
1613         if (src_identifier == NULL || dst_identifier == NULL) {
1614                 printf("Can't get identifiers\n");
1615                 return F_MOVE_FAILED;
1616         }
1617
1618         phys_srcpath = folder_item_get_path(src);
1619         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
1620
1621         if (src->parent == dest || src == dest) {
1622                 g_free(src_identifier);
1623                 g_free(dst_identifier);
1624                 g_free(phys_srcpath);
1625                 g_free(phys_dstpath);
1626                 return F_MOVE_FAILED_DEST_IS_PARENT;
1627         }
1628         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1629         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
1630                 return F_MOVE_FAILED;
1631         }
1632
1633         /* update rules */
1634         src_node = g_node_find(src->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1635         if (src_node)
1636                 g_node_destroy(src_node);
1637         else
1638                 debug_print("can't remove node: it's null!\n");
1639         /* not to much worry if remove fails, move has been done */
1640
1641         g_free(src_identifier);
1642         g_free(dst_identifier);
1643         g_free(phys_srcpath);
1644         g_free(phys_dstpath);
1645
1646         *new_item = tmp;
1647
1648         return F_MOVE_OK;
1649 }
1650
1651 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1652 {
1653         Folder *folder;
1654         gint num;
1655         Folder *src_folder;
1656
1657         g_return_val_if_fail(dest != NULL, -1);
1658         g_return_val_if_fail(msginfo != NULL, -1);
1659
1660         folder = dest->folder;
1661
1662         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1663         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1664
1665         if (!dest->cache) folder_item_read_cache(dest);
1666
1667         src_folder = msginfo->folder->folder;
1668
1669         num = folder->copy_msg(folder, dest, msginfo);
1670
1671         if (num != -1) {
1672                 MsgInfo *newmsginfo;
1673
1674                 /* Add new msginfo to dest folder */
1675                 if (NULL != (newmsginfo = folder->get_msginfo(folder, dest, num))) {
1676                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1677
1678                         if (dest->stype == F_OUTBOX || dest->stype == F_QUEUE  ||
1679                             dest->stype == F_DRAFT  || dest->stype == F_TRASH)
1680                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1681                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1682                         msgcache_add_msg(dest->cache, newmsginfo);
1683
1684                         if (MSG_IS_NEW(newmsginfo->flags))
1685                                 dest->new++;
1686                         if (MSG_IS_UNREAD(newmsginfo->flags))
1687                                 dest->unread++;
1688                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1689                                 dest->unreadmarked++;
1690                         dest->total++;
1691                         dest->need_update = TRUE;
1692
1693                         procmsg_msginfo_free(newmsginfo);
1694                 }
1695
1696                 /* remove source message from it's folder */
1697                 if (src_folder->remove_msg) {
1698                         src_folder->remove_msg(src_folder, msginfo->folder,
1699                                                msginfo->msgnum);
1700                         msgcache_remove_msg(msginfo->folder->cache, msginfo->msgnum);
1701
1702                         if (MSG_IS_NEW(msginfo->flags))
1703                                 msginfo->folder->new--;
1704                         if (MSG_IS_UNREAD(msginfo->flags))
1705                                 msginfo->folder->unread--;
1706                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1707                                 msginfo->folder->unreadmarked--;
1708                         msginfo->folder->total--;
1709                         msginfo->folder->need_update = TRUE;
1710                 }
1711         }
1712
1713         if (folder->finished_copy)
1714                 folder->finished_copy(folder, dest);
1715
1716         return num;
1717 }
1718
1719 /*
1720 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1721 {
1722         Folder *folder;
1723         gint num;
1724
1725         g_return_val_if_fail(dest != NULL, -1);
1726         g_return_val_if_fail(msglist != NULL, -1);
1727
1728         folder = dest->folder;
1729         if (dest->last_num < 0) folder->scan(folder, dest);
1730
1731         num = folder->move_msgs_with_dest(folder, dest, msglist);
1732         if (num > 0) dest->last_num = num;
1733         else dest->op_count = 0;
1734
1735         return num;
1736 }
1737 */
1738
1739 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1740 {
1741         Folder *folder;
1742         FolderItem *item;
1743         GSList *newmsgnums = NULL;
1744         GSList *l, *l2;
1745         gint num;
1746
1747         g_return_val_if_fail(dest != NULL, -1);
1748         g_return_val_if_fail(msglist != NULL, -1);
1749
1750         folder = dest->folder;
1751
1752         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1753         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1754
1755         /*
1756          * Copy messages to destination folder and
1757          * store new message numbers in newmsgnums
1758          */
1759         item = NULL;
1760         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1761                 MsgInfo * msginfo = (MsgInfo *) l->data;
1762
1763                 if (!item && msginfo->folder != NULL)
1764                         item = msginfo->folder;
1765
1766                 num = folder->copy_msg(folder, dest, msginfo);
1767                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1768         }
1769
1770         /* Read cache for dest folder */
1771         if (!dest->cache) folder_item_read_cache(dest);
1772
1773         /*
1774          * Fetch new MsgInfos for new messages in dest folder,
1775          * add them to the msgcache and update folder message counts
1776          */
1777         l2 = newmsgnums;
1778         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1779                 MsgInfo *msginfo = (MsgInfo *) l->data;
1780
1781                 num = GPOINTER_TO_INT(l2->data);
1782
1783                 if (num != -1) {
1784                         MsgInfo *newmsginfo;
1785
1786                         newmsginfo = folder->get_msginfo(folder, dest, num);
1787                         if (newmsginfo) {
1788                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1789                                 if (dest->stype == F_OUTBOX ||
1790                                     dest->stype == F_QUEUE  ||
1791                                     dest->stype == F_DRAFT  ||
1792                                     dest->stype == F_TRASH)
1793                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1794                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1795                                 msgcache_add_msg(dest->cache, newmsginfo);
1796
1797                                 if (MSG_IS_NEW(newmsginfo->flags))
1798                                         dest->new++;
1799                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1800                                         dest->unread++;
1801                                 if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1802                                         dest->unreadmarked++;
1803                                 dest->total++;
1804                                 dest->need_update = TRUE;
1805
1806                                 procmsg_msginfo_free(newmsginfo);
1807                         }
1808                 }
1809                 l2 = g_slist_next(l2);
1810         }
1811
1812         /*
1813          * Remove source messages from their folders if
1814          * copying was successfull and update folder
1815          * message counts
1816          */
1817         l2 = newmsgnums;
1818         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1819                 MsgInfo *msginfo = (MsgInfo *) l->data;
1820
1821                 num = GPOINTER_TO_INT(l2->data);
1822
1823                 if (num != -1) {
1824                         item->folder->remove_msg(item->folder,
1825                                                  msginfo->folder,
1826                                                  msginfo->msgnum);
1827                         if (!item->cache)
1828                                 folder_item_read_cache(item);
1829                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1830
1831                         if (MSG_IS_NEW(msginfo->flags))
1832                                 msginfo->folder->new--;
1833                         if (MSG_IS_UNREAD(msginfo->flags))
1834                                 msginfo->folder->unread--;
1835                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1836                                 msginfo->folder->unreadmarked--;
1837                         msginfo->folder->total--;
1838                         msginfo->folder->need_update = TRUE;
1839                 }
1840
1841                 l2 = g_slist_next(l2);
1842         }
1843
1844
1845         if (folder->finished_copy)
1846                 folder->finished_copy(folder, dest);
1847
1848         g_slist_free(newmsgnums);
1849         return dest->last_num;
1850 }
1851
1852 /*
1853 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1854 {
1855         Folder *folder;
1856         gint num;
1857
1858         g_return_val_if_fail(dest != NULL, -1);
1859         g_return_val_if_fail(msginfo != NULL, -1);
1860
1861         folder = dest->folder;
1862         if (dest->last_num < 0) folder->scan(folder, dest);
1863
1864         num = folder->copy_msg(folder, dest, msginfo);
1865         if (num > 0) dest->last_num = num;
1866
1867         return num;
1868 }
1869 */
1870
1871 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1872 {
1873         Folder *folder;
1874         gint num;
1875
1876         g_return_val_if_fail(dest != NULL, -1);
1877         g_return_val_if_fail(msginfo != NULL, -1);
1878
1879         folder = dest->folder;
1880
1881         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1882
1883         if (!dest->cache) folder_item_read_cache(dest);
1884
1885         num = folder->copy_msg(folder, dest, msginfo);
1886         if (num != -1) {
1887                 MsgInfo *newmsginfo;
1888
1889                 if (NULL != (newmsginfo = folder->get_msginfo(folder, dest, num))) {
1890                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1891                         if (dest->stype == F_OUTBOX ||
1892                             dest->stype == F_QUEUE  ||
1893                             dest->stype == F_DRAFT  ||
1894                             dest->stype == F_TRASH)
1895                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1896                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1897                         msgcache_add_msg(dest->cache, newmsginfo);
1898
1899                         if (MSG_IS_NEW(newmsginfo->flags))
1900                                 dest->new++;
1901                         if (MSG_IS_UNREAD(newmsginfo->flags))
1902                                 dest->unread++;
1903                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1904                                 dest->unreadmarked++;
1905                         dest->total++;
1906                         dest->need_update = TRUE;
1907
1908                         procmsg_msginfo_free(newmsginfo);
1909                 }
1910         }
1911
1912         if (folder->finished_copy)
1913                 folder->finished_copy(folder, dest);
1914
1915         return num;
1916 }
1917
1918 /*
1919 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1920 {
1921         Folder *folder;
1922         gint num;
1923
1924         g_return_val_if_fail(dest != NULL, -1);
1925         g_return_val_if_fail(msglist != NULL, -1);
1926
1927         folder = dest->folder;
1928         if (dest->last_num < 0) folder->scan(folder, dest);
1929
1930         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1931         if (num > 0) dest->last_num = num;
1932         else dest->op_count = 0;
1933
1934         return num;
1935 }
1936 */
1937
1938 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1939 {
1940         Folder *folder;
1941         gint num;
1942         GSList *newmsgnums = NULL;
1943         GSList *l, *l2;
1944
1945         g_return_val_if_fail(dest != NULL, -1);
1946         g_return_val_if_fail(msglist != NULL, -1);
1947
1948         folder = dest->folder;
1949
1950         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1951
1952         /*
1953          * Copy messages to destination folder and
1954          * store new message numbers in newmsgnums
1955          */
1956         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1957                 MsgInfo * msginfo = (MsgInfo *) l->data;
1958
1959                 num = folder->copy_msg(folder, dest, msginfo);
1960                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1961         }
1962
1963         /* Read cache for dest folder */
1964         if (!dest->cache) folder_item_read_cache(dest);
1965
1966         /*
1967          * Fetch new MsgInfos for new messages in dest folder,
1968          * add them to the msgcache and update folder message counts
1969          */
1970         l2 = newmsgnums;
1971         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1972                 MsgInfo *msginfo = (MsgInfo *) l->data;
1973
1974                 num = GPOINTER_TO_INT(l2->data);
1975
1976                 if (num != -1) {
1977                         MsgInfo *newmsginfo;
1978
1979                         newmsginfo = folder->get_msginfo(folder, dest, num);
1980                         if (newmsginfo) {
1981                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1982                                 if (dest->stype == F_OUTBOX ||
1983                                     dest->stype == F_QUEUE  ||
1984                                     dest->stype == F_DRAFT  ||
1985                                     dest->stype == F_TRASH)
1986                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1987                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1988                                 msgcache_add_msg(dest->cache, newmsginfo);
1989
1990                                 if (MSG_IS_NEW(newmsginfo->flags))
1991                                         dest->new++;
1992                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1993                                         dest->unread++;
1994                                 if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1995                                         dest->unreadmarked++;
1996                                 dest->total++;
1997                                 dest->need_update = TRUE;
1998
1999                                 procmsg_msginfo_free(newmsginfo);
2000                         }
2001                 }
2002                 l2 = g_slist_next(l2);
2003         }
2004
2005         if (folder->finished_copy)
2006                 folder->finished_copy(folder, dest);
2007
2008         g_slist_free(newmsgnums);
2009         return dest->last_num;
2010 }
2011
2012 gint folder_item_remove_msg(FolderItem *item, gint num)
2013 {
2014         Folder *folder;
2015         gint ret;
2016         MsgInfo *msginfo;
2017
2018         g_return_val_if_fail(item != NULL, -1);
2019
2020         folder = item->folder;
2021         if (!item->cache) folder_item_read_cache(item);
2022
2023         ret = folder->remove_msg(folder, item, num);
2024
2025         msginfo = msgcache_get_msg(item->cache, num);
2026         if (msginfo != NULL) {
2027                 if (MSG_IS_NEW(msginfo->flags))
2028                         item->new--;
2029                 if (MSG_IS_UNREAD(msginfo->flags))
2030                         item->unread--;
2031                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2032                         item->unreadmarked--;
2033                 procmsg_msginfo_free(msginfo);
2034                 msgcache_remove_msg(item->cache, num);
2035         }
2036         item->total--;
2037         item->need_update = TRUE;
2038
2039         return ret;
2040 }
2041
2042 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2043 {
2044         Folder *folder;
2045         gint ret = 0;
2046
2047         g_return_val_if_fail(item != NULL, -1);
2048         folder = item->folder;
2049         g_return_val_if_fail(folder != NULL, -1);
2050
2051         if (!item->cache) folder_item_read_cache(item);
2052
2053         if (folder->remove_msgs) {
2054                 ret = folder->remove_msgs(folder, item, msglist);
2055                 if (ret == 0)
2056                         folder_item_scan(item);
2057                 return ret;
2058         }
2059
2060         while (msglist != NULL) {
2061                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2062
2063                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2064                 if (ret != 0) break;
2065                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2066                 msglist = msglist->next;
2067         }
2068
2069         return ret;
2070 }
2071
2072 gint folder_item_remove_all_msg(FolderItem *item)
2073 {
2074         Folder *folder;
2075         gint result;
2076
2077         g_return_val_if_fail(item != NULL, -1);
2078
2079         folder = item->folder;
2080
2081         g_return_val_if_fail(folder->remove_all_msg != NULL, -1);
2082
2083         result = folder->remove_all_msg(folder, item);
2084
2085         if (result == 0) {
2086                 if (folder->finished_remove)
2087                         folder->finished_remove(folder, item);
2088
2089                 folder_item_free_cache(item);
2090                 item->cache = msgcache_new();
2091
2092                 item->new = 0;
2093                 item->unread = 0;
2094                 item->unreadmarked = 0;
2095                 item->total = 0;
2096                 item->need_update = TRUE;
2097         }
2098
2099         return result;
2100 }
2101
2102 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2103 {
2104         Folder *folder;
2105
2106         g_return_val_if_fail(item != NULL, FALSE);
2107
2108         folder = item->folder;
2109
2110         g_return_val_if_fail(folder->is_msg_changed != NULL, -1);
2111
2112         return folder->is_msg_changed(folder, item, msginfo);
2113 }
2114
2115 gchar *folder_item_get_cache_file(FolderItem *item)
2116 {
2117         gchar *path;
2118         gchar *file;
2119
2120         g_return_val_if_fail(item != NULL, NULL);
2121         g_return_val_if_fail(item->path != NULL, NULL);
2122
2123         path = folder_item_get_path(item);
2124         g_return_val_if_fail(path != NULL, NULL);
2125         if (!is_dir_exist(path))
2126                 make_dir_hier(path);
2127         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2128         g_free(path);
2129
2130         return file;
2131 }
2132
2133 gchar *folder_item_get_mark_file(FolderItem *item)
2134 {
2135         gchar *path;
2136         gchar *file;
2137
2138         g_return_val_if_fail(item != NULL, NULL);
2139         g_return_val_if_fail(item->path != NULL, NULL);
2140
2141         path = folder_item_get_path(item);
2142         g_return_val_if_fail(path != NULL, NULL);
2143         if (!is_dir_exist(path))
2144                 make_dir_hier(path);
2145         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2146         g_free(path);
2147
2148         return file;
2149 }
2150
2151 static gboolean folder_build_tree(GNode *node, gpointer data)
2152 {
2153         Folder *folder = FOLDER(data);
2154         FolderItem *item;
2155         XMLNode *xmlnode;
2156         GList *list;
2157         SpecialFolderItemType stype = F_NORMAL;
2158         const gchar *name = NULL;
2159         const gchar *path = NULL;
2160         PrefsAccount *account = NULL;
2161         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
2162                  threaded = TRUE, apply_sub = FALSE;
2163         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE; /* CLAWS */
2164         FolderSortKey sort_key = SORT_BY_NONE;
2165         FolderSortType sort_type = SORT_ASCENDING;
2166         gint new = 0, unread = 0, total = 0, unreadmarked = 0;
2167         time_t mtime = 0;
2168
2169         g_return_val_if_fail(node->data != NULL, FALSE);
2170         if (!node->parent) return FALSE;
2171
2172         xmlnode = node->data;
2173         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2174                 g_warning("tag name != \"folderitem\"\n");
2175                 return FALSE;
2176         }
2177
2178         list = xmlnode->tag->attr;
2179         for (; list != NULL; list = list->next) {
2180                 XMLAttr *attr = list->data;
2181
2182                 if (!attr || !attr->name || !attr->value) continue;
2183                 if (!strcmp(attr->name, "type")) {
2184                         if (!strcasecmp(attr->value, "normal"))
2185                                 stype = F_NORMAL;
2186                         else if (!strcasecmp(attr->value, "inbox"))
2187                                 stype = F_INBOX;
2188                         else if (!strcasecmp(attr->value, "outbox"))
2189                                 stype = F_OUTBOX;
2190                         else if (!strcasecmp(attr->value, "draft"))
2191                                 stype = F_DRAFT;
2192                         else if (!strcasecmp(attr->value, "queue"))
2193                                 stype = F_QUEUE;
2194                         else if (!strcasecmp(attr->value, "trash"))
2195                                 stype = F_TRASH;
2196                 } else if (!strcmp(attr->name, "name"))
2197                         name = attr->value;
2198                 else if (!strcmp(attr->name, "path"))
2199                         path = attr->value;
2200                 else if (!strcmp(attr->name, "mtime"))
2201                         mtime = strtoul(attr->value, NULL, 10);
2202                 else if (!strcmp(attr->name, "new"))
2203                         new = atoi(attr->value);
2204                 else if (!strcmp(attr->name, "unread"))
2205                         unread = atoi(attr->value);
2206                 else if (!strcmp(attr->name, "unreadmarked"))
2207                         unreadmarked = atoi(attr->value);
2208                 else if (!strcmp(attr->name, "total"))
2209                         total = atoi(attr->value);
2210                 else if (!strcmp(attr->name, "no_sub"))
2211                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2212                 else if (!strcmp(attr->name, "no_select"))
2213                         no_select = *attr->value == '1' ? TRUE : FALSE;
2214                 else if (!strcmp(attr->name, "collapsed"))
2215                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2216                 else if (!strcmp(attr->name, "threaded"))
2217                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2218                 else if (!strcmp(attr->name, "hidereadmsgs"))
2219                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2220                 else if (!strcmp(attr->name, "reqretrcpt"))
2221                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2222                 else if (!strcmp(attr->name, "sort_key")) {
2223                         if (!strcmp(attr->value, "none"))
2224                                 sort_key = SORT_BY_NONE;
2225                         else if (!strcmp(attr->value, "number"))
2226                                 sort_key = SORT_BY_NUMBER;
2227                         else if (!strcmp(attr->value, "size"))
2228                                 sort_key = SORT_BY_SIZE;
2229                         else if (!strcmp(attr->value, "date"))
2230                                 sort_key = SORT_BY_DATE;
2231                         else if (!strcmp(attr->value, "from"))
2232                                 sort_key = SORT_BY_FROM;
2233                         else if (!strcmp(attr->value, "subject"))
2234                                 sort_key = SORT_BY_SUBJECT;
2235                         else if (!strcmp(attr->value, "score"))
2236                                 sort_key = SORT_BY_SCORE;
2237                         else if (!strcmp(attr->value, "label"))
2238                                 sort_key = SORT_BY_LABEL;
2239                         else if (!strcmp(attr->value, "mark"))
2240                                 sort_key = SORT_BY_MARK;
2241                         else if (!strcmp(attr->value, "unread"))
2242                                 sort_key = SORT_BY_UNREAD;
2243                         else if (!strcmp(attr->value, "mime"))
2244                                 sort_key = SORT_BY_MIME;
2245                         else if (!strcmp(attr->value, "locked"))
2246                                 sort_key = SORT_BY_LOCKED;
2247                 } else if (!strcmp(attr->name, "sort_type")) {
2248                         if (!strcmp(attr->value, "ascending"))
2249                                 sort_type = SORT_ASCENDING;
2250                         else
2251                                 sort_type = SORT_DESCENDING;
2252                 } else if (!strcmp(attr->name, "account_id")) {
2253                         account = account_find_from_id(atoi(attr->value));
2254                         if (!account) g_warning("account_id: %s not found\n",
2255                                                 attr->value);
2256                 } else if (!strcmp(attr->name, "apply_sub"))
2257                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2258         }
2259
2260         item = folder_item_new(folder, name, path);
2261         item->stype = stype;
2262         item->mtime = mtime;
2263         item->new = new;
2264         item->unread = unread;
2265         item->unreadmarked = unreadmarked;
2266         item->total = total;
2267         item->no_sub = no_sub;
2268         item->no_select = no_select;
2269         item->collapsed = collapsed;
2270         item->threaded  = threaded;
2271         item->hide_read_msgs  = hidereadmsgs;
2272         item->ret_rcpt  = ret_rcpt;
2273         item->sort_key  = sort_key;
2274         item->sort_type = sort_type;
2275         item->parent = FOLDER_ITEM(node->parent->data);
2276         item->folder = folder;
2277         switch (stype) {
2278         case F_INBOX:  folder->inbox  = item; break;
2279         case F_OUTBOX: folder->outbox = item; break;
2280         case F_DRAFT:  folder->draft  = item; break;
2281         case F_QUEUE:  folder->queue  = item; break;
2282         case F_TRASH:  folder->trash  = item; break;
2283         default:       break;
2284         }
2285         item->account = account;
2286         item->apply_sub = apply_sub;
2287         prefs_folder_item_read_config(item);
2288
2289         node->data = item;
2290         xml_free_node(xmlnode);
2291
2292         return FALSE;
2293 }
2294
2295 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2296 {
2297         Folder *folder;
2298         XMLNode *xmlnode;
2299         GList *list;
2300         FolderType type = F_UNKNOWN;
2301         const gchar *name = NULL;
2302         const gchar *path = NULL;
2303         PrefsAccount *account = NULL;
2304         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2305         gboolean ret_rcpt = FALSE; /* CLAWS */
2306
2307         if (g_node_depth(node) != 2) return FALSE;
2308         g_return_val_if_fail(node->data != NULL, FALSE);
2309
2310         xmlnode = node->data;
2311         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2312                 g_warning("tag name != \"folder\"\n");
2313                 return TRUE;
2314         }
2315         g_node_unlink(node);
2316         list = xmlnode->tag->attr;
2317         for (; list != NULL; list = list->next) {
2318                 XMLAttr *attr = list->data;
2319
2320                 if (!attr || !attr->name || !attr->value) continue;
2321                 if (!strcmp(attr->name, "type")) {
2322                         if (!strcasecmp(attr->value, "mh"))
2323                                 type = F_MH;
2324                         else if (!strcasecmp(attr->value, "mbox"))
2325                                 type = F_MBOX;
2326                         else if (!strcasecmp(attr->value, "maildir"))
2327                                 type = F_MAILDIR;
2328                         else if (!strcasecmp(attr->value, "imap"))
2329                                 type = F_IMAP;
2330                         else if (!strcasecmp(attr->value, "news"))
2331                                 type = F_NEWS;
2332                 } else if (!strcmp(attr->name, "name"))
2333                         name = attr->value;
2334                 else if (!strcmp(attr->name, "path"))
2335                         path = attr->value;
2336                 else if (!strcmp(attr->name, "collapsed"))
2337                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2338                 else if (!strcmp(attr->name, "threaded"))
2339                         threaded = *attr->value == '1' ? TRUE : FALSE;
2340                 else if (!strcmp(attr->name, "account_id")) {
2341                         account = account_find_from_id(atoi(attr->value));
2342                         if (!account) g_warning("account_id: %s not found\n",
2343                                                 attr->value);
2344                 } else if (!strcmp(attr->name, "apply_sub"))
2345                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2346                 else if (!strcmp(attr->name, "reqretrcpt"))
2347                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2348         }
2349
2350         folder = folder_new(type, name, path);
2351         g_return_val_if_fail(folder != NULL, FALSE);
2352         folder->account = account;
2353         if (account && (type == F_IMAP || type == F_NEWS))
2354                 account->folder = REMOTE_FOLDER(folder);
2355         node->data = folder->node->data;
2356         g_node_destroy(folder->node);
2357         folder->node = node;
2358         folder_add(folder);
2359         FOLDER_ITEM(node->data)->collapsed = collapsed;
2360         FOLDER_ITEM(node->data)->threaded  = threaded;
2361         FOLDER_ITEM(node->data)->account   = account;
2362         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2363         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2364
2365         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2366                         folder_build_tree, folder);
2367
2368         return FALSE;
2369 }
2370
2371 static gchar *folder_get_list_path(void)
2372 {
2373         static gchar *filename = NULL;
2374
2375         if (!filename)
2376                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2377                                         FOLDER_LIST, NULL);
2378
2379         return filename;
2380 }
2381
2382 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2383 {                                                       \
2384         fputs(" " attr "=\"", fp);                      \
2385         xml_file_put_escape_str(fp, str);               \
2386         fputs("\"", fp);                                \
2387 }
2388
2389 static void folder_write_list_recursive(GNode *node, gpointer data)
2390 {
2391         FILE *fp = (FILE *)data;
2392         FolderItem *item;
2393         gint i, depth;
2394         static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
2395                                            "news", "unknown"};
2396         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2397                                                  "draft", "queue", "trash"};
2398         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2399                                         "from", "subject", "score", "label",
2400                                         "mark", "unread", "mime", "locked" };
2401         g_return_if_fail(node != NULL);
2402         g_return_if_fail(fp != NULL);
2403
2404         item = FOLDER_ITEM(node->data);
2405         g_return_if_fail(item != NULL);
2406
2407         depth = g_node_depth(node);
2408         for (i = 0; i < depth; i++)
2409                 fputs("    ", fp);
2410         if (depth == 1) {
2411                 Folder *folder = item->folder;
2412
2413                 fprintf(fp, "<folder type=\"%s\"", folder_type_str[folder->type]);
2414                 if (folder->name)
2415                         PUT_ESCAPE_STR(fp, "name", folder->name);
2416                 if (folder->type == F_MH || folder->type == F_MBOX)
2417                         PUT_ESCAPE_STR(fp, "path",
2418                                        LOCAL_FOLDER(folder)->rootpath);
2419                 if (item->collapsed && node->children)
2420                         fputs(" collapsed=\"1\"", fp);
2421                 if (folder->account)
2422                         fprintf(fp, " account_id=\"%d\"",
2423                                 folder->account->account_id);
2424                 if (item->apply_sub)
2425                         fputs(" apply_sub=\"1\"", fp);
2426                 if (item->ret_rcpt)
2427                         fputs(" reqretrcpt=\"1\"", fp);
2428         } else {
2429                 fprintf(fp, "<folderitem type=\"%s\"",
2430                         folder_item_stype_str[item->stype]);
2431                 if (item->name)
2432                         PUT_ESCAPE_STR(fp, "name", item->name);
2433                 if (item->path)
2434                         PUT_ESCAPE_STR(fp, "path", item->path);
2435
2436                 if (item->no_sub)
2437                         fputs(" no_sub=\"1\"", fp);
2438                 if (item->no_select)
2439                         fputs(" no_select=\"1\"", fp);
2440                 if (item->collapsed && node->children)
2441                         fputs(" collapsed=\"1\"", fp);
2442                 if (item->threaded)
2443                         fputs(" threaded=\"1\"", fp);
2444                 else
2445                         fputs(" threaded=\"0\"", fp);
2446                 if (item->hide_read_msgs)
2447                         fputs(" hidereadmsgs=\"1\"", fp);
2448                 else
2449                         fputs(" hidereadmsgs=\"0\"", fp);
2450                 if (item->ret_rcpt)
2451                         fputs(" reqretrcpt=\"1\"", fp);
2452
2453                 if (item->sort_key != SORT_BY_NONE) {
2454                         fprintf(fp, " sort_key=\"%s\"",
2455                                 sort_key_str[item->sort_key]);
2456                         if (item->sort_type == SORT_ASCENDING)
2457                                 fprintf(fp, " sort_type=\"ascending\"");
2458                         else
2459                                 fprintf(fp, " sort_type=\"descending\"");
2460                 }
2461
2462                 fprintf(fp,
2463                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" unreadmarked=\"%d\" total=\"%d\"",
2464                         item->mtime, item->new, item->unread, item->unreadmarked, item->total);
2465
2466                 if (item->account)
2467                         fprintf(fp, " account_id=\"%d\"",
2468                                 item->account->account_id);
2469                 if (item->apply_sub)
2470                         fputs(" apply_sub=\"1\"", fp);
2471         }
2472
2473         if (node->children) {
2474                 GNode *child;
2475                 fputs(">\n", fp);
2476
2477                 child = node->children;
2478                 while (child) {
2479                         GNode *cur;
2480
2481                         cur = child;
2482                         child = cur->next;
2483                         folder_write_list_recursive(cur, data);
2484                 }
2485
2486                 for (i = 0; i < depth; i++)
2487                         fputs("    ", fp);
2488                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2489         } else
2490                 fputs(" />\n", fp);
2491 }
2492
2493 static void folder_update_op_count_rec(GNode *node)
2494 {
2495         FolderItem *fitem = FOLDER_ITEM(node->data);
2496
2497         if (g_node_depth(node) > 0) {
2498                 if (fitem->op_count > 0) {
2499                         fitem->op_count = 0;
2500                         folder_update_item(fitem, FALSE);
2501                 }
2502                 if (node->children) {
2503                         GNode *child;
2504
2505                         child = node->children;
2506                         while (child) {
2507                                 GNode *cur;
2508
2509                                 cur = child;
2510                                 child = cur->next;
2511                                 folder_update_op_count_rec(cur);
2512                         }
2513                 }
2514         }
2515 }
2516
2517 void folder_update_op_count() {
2518         GList *cur;
2519         Folder *folder;
2520
2521         for (cur = folder_list; cur != NULL; cur = cur->next) {
2522                 folder = cur->data;
2523                 folder_update_op_count_rec(folder->node);
2524         }
2525 }
2526
2527 typedef struct _type_str {
2528         gchar * str;
2529         gint type;
2530 } type_str;
2531
2532
2533 /*
2534 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2535 {
2536         if (item->parent != NULL) {
2537                 gchar * path;
2538                 gchar * id;
2539
2540                 path = folder_item_get_tree_identifier(item->parent);
2541                 if (path == NULL)
2542                         return NULL;
2543
2544                 id = g_strconcat(path, "/", item->name, NULL);
2545                 g_free(path);
2546
2547                 return id;
2548         }
2549         else {
2550                 return g_strconcat("/", item->name, NULL);
2551         }
2552 }
2553 */
2554
2555 /* CLAWS: temporary local folder for filtering */
2556 static Folder *processing_folder;
2557 static FolderItem *processing_folder_item;
2558
2559 static void folder_create_processing_folder(void)
2560 {
2561 #define PROCESSING_FOLDER ".processing"
2562         Folder     *tmpparent;
2563         gchar      *tmpname;
2564
2565         tmpparent = folder_get_default_folder();
2566         g_assert(tmpparent);
2567         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2568         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2569                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2570                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2571                                       NULL);
2572         else
2573                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2574                                       LOCAL_FOLDER(tmpparent)->rootpath,
2575                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2576                                       NULL);
2577
2578         processing_folder = folder_new(F_MH, "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2579         g_assert(processing_folder);
2580
2581         if (!is_dir_exist(tmpname)) {
2582                 debug_print("*TMP* creating %s\n", tmpname);
2583                 processing_folder_item = processing_folder->create_folder(processing_folder,
2584                                                                           processing_folder->node->data,
2585                                                                           PROCESSING_FOLDER);
2586                 g_assert(processing_folder_item);
2587         }
2588         else {
2589                 debug_print("*TMP* already created\n");
2590                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2591                 g_assert(processing_folder_item);
2592                 folder_item_append(processing_folder->node->data, processing_folder_item);
2593         }
2594         g_free(tmpname);
2595 }
2596
2597 FolderItem *folder_get_default_processing(void)
2598 {
2599         if (!processing_folder_item) {
2600                 folder_create_processing_folder();
2601         }
2602         return processing_folder_item;
2603 }
2604
2605 /* folder_persist_prefs_new() - return hash table with persistent
2606  * settings (and folder name as key).
2607  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2608  * file, so those don't need to be included in PersistPref yet)
2609  */
2610 GHashTable *folder_persist_prefs_new(Folder *folder)
2611 {
2612         GHashTable *pptable;
2613
2614         g_return_val_if_fail(folder, NULL);
2615         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2616         folder_get_persist_prefs_recursive(folder->node, pptable);
2617         return pptable;
2618 }
2619
2620 void folder_persist_prefs_free(GHashTable *pptable)
2621 {
2622         g_return_if_fail(pptable);
2623         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2624         g_hash_table_destroy(pptable);
2625 }
2626
2627 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2628 {
2629         if (pptable == NULL || name == NULL) return NULL;
2630         return g_hash_table_lookup(pptable, name);
2631 }
2632
2633 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2634 {
2635         const PersistPrefs *pp;
2636         gchar *id = folder_item_get_identifier(item);
2637
2638         pp = folder_get_persist_prefs(pptable, id);
2639         g_free(id);
2640
2641         if (!pp) return;
2642
2643         /* CLAWS: since not all folder properties have been migrated to
2644          * folderlist.xml, we need to call the old stuff first before
2645          * setting things that apply both to Main and Claws. */
2646         prefs_folder_item_read_config(item);
2647
2648         item->collapsed = pp->collapsed;
2649         item->threaded  = pp->threaded;
2650         item->ret_rcpt  = pp->ret_rcpt;
2651         item->hide_read_msgs = pp->hide_read_msgs;
2652         item->sort_key  = pp->sort_key;
2653         item->sort_type = pp->sort_type;
2654 }
2655
2656 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2657 {
2658         FolderItem *item = FOLDER_ITEM(node->data);
2659         PersistPrefs *pp;
2660         GNode *child, *cur;
2661         gchar *id;
2662
2663         g_return_if_fail(node != NULL);
2664         g_return_if_fail(item != NULL);
2665
2666         /* NOTE: item->path == NULL means top level folder; not interesting
2667          * to store preferences of that one.  */
2668         if (item->path) {
2669                 id = folder_item_get_identifier(item);
2670                 pp = g_new0(PersistPrefs, 1);
2671                 g_return_if_fail(pp != NULL);
2672                 pp->collapsed = item->collapsed;
2673                 pp->threaded  = item->threaded;
2674                 pp->ret_rcpt  = item->ret_rcpt;
2675                 pp->hide_read_msgs = item->hide_read_msgs;
2676                 pp->sort_key  = item->sort_key;
2677                 pp->sort_type = item->sort_type;
2678                 g_hash_table_insert(pptable, id, pp);
2679         }
2680
2681         if (node->children) {
2682                 child = node->children;
2683                 while (child) {
2684                         cur = child;
2685                         child = cur->next;
2686                         folder_get_persist_prefs_recursive(cur, pptable);
2687                 }
2688         }
2689 }
2690
2691 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2692 {
2693         if (key)
2694                 g_free(key);
2695         if (val)
2696                 g_free(val);
2697         return TRUE;
2698 }
2699
2700 void folder_item_apply_processing(FolderItem *item)
2701 {
2702         GSList *processing_list;
2703         GSList *mlist, *cur;
2704
2705         g_return_if_fail(item != NULL);
2706
2707         processing_list = item->prefs->processing;
2708         if (processing_list == NULL)
2709                 return;
2710
2711         mlist = folder_item_get_msg_list(item);
2712
2713         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2714                 MsgInfo * msginfo;
2715
2716                 msginfo = (MsgInfo *) cur->data;
2717                 filter_message_by_msginfo(processing_list, msginfo);
2718                 procmsg_msginfo_free(msginfo);
2719         }
2720
2721         folder_update_items_when_required(FALSE);
2722
2723         g_slist_free(mlist);
2724 }
2725
2726 /*
2727  *  Callback handling for FolderItem content changes
2728  */
2729 GSList *folder_item_update_callbacks_list = NULL;
2730 gint    folder_item_update_callbacks_nextid = 0;
2731
2732 struct FolderItemUpdateCallback
2733 {
2734         gint                    id;
2735         FolderItemUpdateFunc    func;
2736         gpointer                data;
2737 };
2738
2739 gint folder_item_update_callback_register(FolderItemUpdateFunc func, gpointer data)
2740 {
2741         struct FolderItemUpdateCallback *callback;
2742
2743         g_return_val_if_fail(func != NULL, -1);
2744
2745         folder_item_update_callbacks_nextid++;
2746
2747         callback = g_new0(struct FolderItemUpdateCallback, 1);
2748         callback->id = folder_item_update_callbacks_nextid;
2749         callback->func = func;
2750         callback->data = data;
2751
2752         folder_item_update_callbacks_list =
2753                 g_slist_append(folder_item_update_callbacks_list, callback);
2754
2755         return folder_item_update_callbacks_nextid;
2756 }
2757
2758 void folder_item_update_callback_unregister(gint id)
2759 {
2760         GSList *list, *next;
2761
2762         for (list = folder_item_update_callbacks_list; list != NULL; list = next) {
2763                 struct FolderItemUpdateCallback *callback;
2764
2765                 next = list->next;
2766
2767                 callback = list->data;
2768                 if (callback->id == id) {
2769                         folder_item_update_callbacks_list =
2770                                 g_slist_remove(folder_item_update_callbacks_list, callback);
2771                         g_free(callback);
2772                 }
2773         }
2774 }
2775
2776 static void folder_item_update_callback_execute(FolderItem *item, gboolean contentchange)
2777 {
2778         GSList *list;
2779
2780         for (list = folder_item_update_callbacks_list; list != NULL; list = list->next) {
2781                 struct FolderItemUpdateCallback *callback;
2782
2783                 callback = list->data;
2784                 callback->func(item, contentchange, callback->data);
2785         }
2786 }
2787
2788 void folder_update_item(FolderItem *item, gboolean contentchange)
2789 {
2790         folder_item_update_callback_execute(item, contentchange);
2791 }
2792
2793 static void folder_update_item_func(FolderItem *item, gpointer contentchange)
2794 {
2795         if (item->need_update) {
2796                 folder_item_update_callback_execute(item, GPOINTER_TO_INT(contentchange));
2797                 item->need_update = FALSE;
2798         }
2799 }
2800
2801 void folder_update_items_when_required(gboolean contentchange)
2802 {
2803         folder_func_to_all_folders(folder_update_item_func, GINT_TO_POINTER(contentchange));
2804 }
2805
2806 void folder_update_item_recursive(FolderItem *item, gboolean update_summary)
2807 {
2808         GNode *node = item->folder->node;
2809         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2810         node = node->children;
2811         folder_item_update_callback_execute(item, update_summary);
2812         while (node != NULL) {
2813                 if (node && node->data) {
2814                         FolderItem *next_item = (FolderItem*) node->data;
2815                         folder_item_update_callback_execute(next_item, update_summary);
2816                 }
2817                 node = node->next;
2818         }
2819 }
2820
2821 #undef PUT_ESCAPE_STR