src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <unistd.h>
  32 #include <stdlib.h>
  33
  34 #include "intl.h"
  35 #include "folder.h"
  36 #include "folderview.h"
  37 #include "session.h"
  38 #include "imap.h"
  39 #include "news.h"
  40 #include "mh.h"
  41 #include "mbox_folder.h"
  42 #include "utils.h"
  43 #include "xml.h"
  44 #include "codeconv.h"
  45 #include "prefs.h"
  46 #include "prefs_common.h"
  47 #include "account.h"
  48 #include "prefs_account.h"
  49 #include "filtering.h"
  50 #include "scoring.h"
  51 #include "prefs_folder_item.h"
  52 #include "procheader.h"
  53
  54 static GList *folder_list = NULL;
  55
  56 static void folder_init         (Folder         *folder,
  57                                  const gchar    *name);
  58
  59 static gboolean folder_read_folder_func (GNode          *node,
  60                                          gpointer        data);
  61 static gchar *folder_get_list_path      (void);
  62 static void folder_write_list_recursive (GNode          *node,
  63                                          gpointer        data);
  64 static void folder_update_op_count_rec  (GNode          *node);
  65
  66
  67 static void folder_get_persist_prefs_recursive
  68                                         (GNode *node, GHashTable *pptable);
  69 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  70 void folder_item_read_cache             (FolderItem *item);
  71 void folder_item_free_cache             (FolderItem *item);
  72
  73 Folder *folder_new(FolderType type, const gchar *name, const gchar *path)
  74 {
  75         Folder *folder = NULL;
  76
  77         name = name ? name : path;
  78         switch (type) {
  79         case F_MBOX:
  80                 folder = mbox_folder_new(name, path);
  81                 break;
  82         case F_MH:
  83                 folder = mh_folder_new(name, path);
  84                 break;
  85         case F_IMAP:
  86                 folder = imap_folder_new(name, path);
  87                 break;
  88         case F_NEWS:
  89                 folder = news_folder_new(name, path);
  90                 break;
  91         default:
  92                 return NULL;
  93         }
  94
  95         return folder;
  96 }
  97
  98 static void folder_init(Folder *folder, const gchar *name)
  99 {
 100         FolderItem *item;
 101
 102         g_return_if_fail(folder != NULL);
 103
 104         folder_set_name(folder, name);
 105
 106         /* Init folder data */
 107         folder->account = NULL;
 108         folder->inbox = NULL;
 109         folder->outbox = NULL;
 110         folder->draft = NULL;
 111         folder->queue = NULL;
 112         folder->trash = NULL;
 113
 114         /* Init Folder functions */
 115         folder->fetch_msg = NULL;
 116         folder->fetch_msginfo = NULL;
 117         folder->fetch_msginfos = NULL;
 118         folder->get_num_list = NULL;
 119         folder->ui_func = NULL;
 120         folder->ui_func_data = NULL;
 121         folder->check_msgnum_validity = NULL;
 122
 123         /* Create root folder item */
 124         item = folder_item_new(folder, name, NULL);
 125         item->folder = folder;
 126         folder->node = g_node_new(item);
 127         folder->data = NULL;
 128 }
 129
 130 void folder_local_folder_init(Folder *folder, const gchar *name,
 131                               const gchar *path)
 132 {
 133         folder_init(folder, name);
 134         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
 135 }
 136
 137 void folder_remote_folder_init(Folder *folder, const gchar *name,
 138                                const gchar *path)
 139 {
 140         folder_init(folder, name);
 141         REMOTE_FOLDER(folder)->session = NULL;
 142 }
 143
 144 void folder_destroy(Folder *folder)
 145 {
 146         g_return_if_fail(folder != NULL);
 147         g_return_if_fail(folder->destroy != NULL);
 148
 149         folder->destroy(folder);
 150
 151         folder_list = g_list_remove(folder_list, folder);
 152
 153         folder_tree_destroy(folder);
 154         g_free(folder->name);
 155         g_free(folder);
 156 }
 157
 158 void folder_local_folder_destroy(LocalFolder *lfolder)
 159 {
 160         g_return_if_fail(lfolder != NULL);
 161
 162         g_free(lfolder->rootpath);
 163 }
 164
 165 void folder_remote_folder_destroy(RemoteFolder *rfolder)
 166 {
 167         g_return_if_fail(rfolder != NULL);
 168
 169         if (rfolder->session)
 170                 session_destroy(rfolder->session);
 171 }
 172
 173 #if 0
 174 Folder *mbox_folder_new(const gchar *name, const gchar *path)
 175 {
 176         /* not yet implemented */
 177         return NULL;
 178 }
 179
 180 Folder *maildir_folder_new(const gchar *name, const gchar *path)
 181 {
 182         /* not yet implemented */
 183         return NULL;
 184 }
 185 #endif
 186
 187 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 188 {
 189         FolderItem *item = NULL;
 190
 191         switch (folder->type) {
 192         case F_IMAP:
 193                 item = imap_folder_item_new();
 194                 break;
 195         case F_MH:
 196         case F_NEWS:
 197         case F_MBOX:
 198                 item = g_new0(FolderItem, 1);
 199                 break;
 200         default:
 201                 return NULL;
 202         }
 203
 204         g_return_val_if_fail(item != NULL, NULL);
 205
 206         item->stype = F_NORMAL;
 207         item->name = g_strdup(name);
 208         item->path = g_strdup(path);
 209         item->account = NULL;
 210         item->mtime = 0;
 211         item->new = 0;
 212         item->unread = 0;
 213         item->total = 0;
 214         item->last_num = -1;
 215         item->cache = NULL;
 216         item->no_sub = FALSE;
 217         item->no_select = FALSE;
 218         item->collapsed = FALSE;
 219         item->threaded  = TRUE;
 220         item->ret_rcpt  = FALSE;
 221         item->opened    = FALSE;
 222         item->parent = NULL;
 223         item->folder = NULL;
 224         item->mark_queue = NULL;
 225         item->data = NULL;
 226
 227         item->prefs = prefs_folder_item_new();
 228
 229         return item;
 230 }
 231
 232 void folder_item_append(FolderItem *parent, FolderItem *item)
 233 {
 234         GNode *node;
 235
 236         g_return_if_fail(parent != NULL);
 237         g_return_if_fail(parent->folder != NULL);
 238         g_return_if_fail(item != NULL);
 239
 240         node = parent->folder->node;
 241         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 242         g_return_if_fail(node != NULL);
 243
 244         item->parent = parent;
 245         item->folder = parent->folder;
 246         g_node_append_data(node, item);
 247 }
 248
 249 void folder_item_remove(FolderItem *item)
 250 {
 251         GNode *node;
 252
 253         g_return_if_fail(item != NULL);
 254         g_return_if_fail(item->folder != NULL);
 255
 256         node = item->folder->node;
 257         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 258         g_return_if_fail(node != NULL);
 259
 260         /* TODO: free all FolderItem's first */
 261         if (item->folder->node == node)
 262                 item->folder->node = NULL;
 263         g_node_destroy(node);
 264 }
 265
 266 void folder_item_destroy(FolderItem *item)
 267 {
 268         g_return_if_fail(item != NULL);
 269
 270         debug_print("Destroying folder item %s\n", item->path);
 271
 272         if (item->folder != NULL) {
 273                 switch (item->folder->type) {
 274                 case F_IMAP:
 275                         imap_folder_item_destroy(item);
 276                         break;
 277                 default:
 278                         break;
 279                 }
 280         }
 281
 282         if (item->cache)
 283                 folder_item_free_cache(item);
 284         g_free(item->name);
 285         g_free(item->path);
 286         g_free(item);
 287 }
 288
 289 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 290 {
 291         g_return_if_fail(folder != NULL);
 292
 293         folder->ui_func = func;
 294         folder->ui_func_data = data;
 295 }
 296
 297 void folder_set_name(Folder *folder, const gchar *name)
 298 {
 299         g_return_if_fail(folder != NULL);
 300
 301         g_free(folder->name);
 302         folder->name = name ? g_strdup(name) : NULL;
 303         if (folder->node && folder->node->data) {
 304                 FolderItem *item = (FolderItem *)folder->node->data;
 305
 306                 g_free(item->name);
 307                 item->name = name ? g_strdup(name) : NULL;
 308         }
 309 }
 310
 311 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 312         FolderItem *item = (FolderItem *) node->data;
 313
 314         folder_item_destroy(item);
 315         return FALSE;
 316 }
 317
 318 void folder_tree_destroy(Folder *folder)
 319 {
 320         g_return_if_fail(folder != NULL);
 321         g_return_if_fail(folder->node != NULL);
 322
 323         prefs_scoring_clear();
 324         prefs_filtering_clear();
 325
 326         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 327         if (folder->node)
 328                 g_node_destroy(folder->node);
 329
 330         folder->inbox = NULL;
 331         folder->outbox = NULL;
 332         folder->draft = NULL;
 333         folder->queue = NULL;
 334         folder->trash = NULL;
 335         folder->node = NULL;
 336 }
 337
 338 void folder_add(Folder *folder)
 339 {
 340         Folder *cur_folder;
 341         GList *cur;
 342         gint i;
 343
 344         g_return_if_fail(folder != NULL);
 345
 346         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 347                 cur_folder = FOLDER(cur->data);
 348                 if (folder->type == F_MH) {
 349                         if (cur_folder->type != F_MH) break;
 350                 } else if (folder->type == F_MBOX) {
 351                         if (cur_folder->type != F_MH &&
 352                             cur_folder->type != F_MBOX) break;
 353                 } else if (folder->type == F_IMAP) {
 354                         if (cur_folder->type != F_MH &&
 355                             cur_folder->type != F_MBOX &&
 356                             cur_folder->type != F_IMAP) break;
 357                 } else if (folder->type == F_NEWS) {
 358                         if (cur_folder->type != F_MH &&
 359                             cur_folder->type != F_MBOX &&
 360                             cur_folder->type != F_IMAP &&
 361                             cur_folder->type != F_NEWS) break;
 362                 }
 363         }
 364
 365         folder_list = g_list_insert(folder_list, folder, i);
 366 }
 367
 368 GList *folder_get_list(void)
 369 {
 370         return folder_list;
 371 }
 372
 373 gint folder_read_list(void)
 374 {
 375         GNode *node;
 376         XMLNode *xmlnode;
 377         gchar *path;
 378
 379         path = folder_get_list_path();
 380         if (!is_file_exist(path)) return -1;
 381         node = xml_parse_file(path);
 382         if (!node) return -1;
 383
 384         xmlnode = node->data;
 385         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 386                 g_warning("wrong folder list\n");
 387                 xml_free_tree(node);
 388                 return -1;
 389         }
 390
 391         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 392                         folder_read_folder_func, NULL);
 393
 394         xml_free_tree(node);
 395         if (folder_list)
 396                 return 0;
 397         else
 398                 return -1;
 399 }
 400
 401 void folder_write_list(void)
 402 {
 403         GList *list;
 404         Folder *folder;
 405         gchar *path;
 406         PrefFile *pfile;
 407
 408         path = folder_get_list_path();
 409         if ((pfile = prefs_write_open(path)) == NULL) return;
 410
 411         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 412                 conv_get_current_charset_str());
 413         fputs("\n<folderlist>\n", pfile->fp);
 414
 415         for (list = folder_list; list != NULL; list = list->next) {
 416                 folder = list->data;
 417                 folder_write_list_recursive(folder->node, pfile->fp);
 418         }
 419
 420         fputs("</folderlist>\n", pfile->fp);
 421
 422         if (prefs_write_close(pfile) < 0)
 423                 g_warning("failed to write folder list.\n");
 424 }
 425
 426 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 427 {
 428         GHashTable *pptable = (GHashTable *)data;
 429         FolderItem *item = (FolderItem *)node->data;
 430
 431         folder_item_restore_persist_prefs(item, pptable);
 432
 433         return FALSE;
 434 }
 435
 436 void folder_scan_tree(Folder *folder)
 437 {
 438         GHashTable *pptable;
 439
 440         if (!folder->scan_tree)
 441                 return;
 442
 443         pptable = folder_persist_prefs_new(folder);
 444         folder_tree_destroy(folder);
 445
 446         folder->scan_tree(folder);
 447
 448         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 449         folder_persist_prefs_free(pptable);
 450
 451         prefs_matcher_read_config();
 452 }
 453
 454 struct TotalMsgCount
 455 {
 456         guint new;
 457         guint unread;
 458         guint total;
 459 };
 460
 461 struct FuncToAllFoldersData
 462 {
 463         FolderItemFunc  function;
 464         gpointer        data;
 465 };
 466
 467 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 468 {
 469         FolderItem *item;
 470         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 471
 472         g_return_val_if_fail(node->data != NULL, FALSE);
 473
 474         item = FOLDER_ITEM(node->data);
 475         g_return_val_if_fail(item != NULL, FALSE);
 476
 477         function_data->function(item, function_data->data);
 478
 479         return FALSE;
 480 }
 481
 482 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 483 {
 484         GList *list;
 485         Folder *folder;
 486         struct FuncToAllFoldersData function_data;
 487
 488         function_data.function = function;
 489         function_data.data = data;
 490
 491         for (list = folder_list; list != NULL; list = list->next) {
 492                 folder = FOLDER(list->data);
 493                 if (folder->node)
 494                         g_node_traverse(folder->node, G_PRE_ORDER,
 495                                         G_TRAVERSE_ALL, -1,
 496                                         folder_func_to_all_folders_func,
 497                                         &function_data);
 498         }
 499 }
 500
 501 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 502 {
 503         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 504
 505         count->new += item->new;
 506         count->unread += item->unread;
 507         count->total += item->total;
 508 }
 509
 510 void folder_count_total_msgs(guint *new, guint *unread, guint *total)
 511 {
 512         struct TotalMsgCount count;
 513
 514         count.new = count.unread = count.total = 0;
 515
 516         debug_print("Counting total number of messages...\n");
 517
 518         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 519
 520         *new = count.new;
 521         *unread = count.unread;
 522         *total = count.total;
 523 }
 524
 525 Folder *folder_find_from_path(const gchar *path)
 526 {
 527         GList *list;
 528         Folder *folder;
 529
 530         for (list = folder_list; list != NULL; list = list->next) {
 531                 folder = list->data;
 532                 if ((folder->type == F_MH || folder->type == F_MBOX) &&
 533                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 534                         return folder;
 535         }
 536
 537         return NULL;
 538 }
 539
 540 Folder *folder_find_from_name(const gchar *name, FolderType type)
 541 {
 542         GList *list;
 543         Folder *folder;
 544
 545         for (list = folder_list; list != NULL; list = list->next) {
 546                 folder = list->data;
 547                 if (folder->type == type && strcmp2(name, folder->name) == 0)
 548                         return folder;
 549         }
 550
 551         return NULL;
 552 }
 553
 554 static gboolean folder_item_find_func(GNode *node, gpointer data)
 555 {
 556         FolderItem *item = node->data;
 557         gpointer *d = data;
 558         const gchar *path = d[0];
 559
 560         if (path_cmp(path, item->path) != 0)
 561                 return FALSE;
 562
 563         d[1] = item;
 564
 565         return TRUE;
 566 }
 567
 568 FolderItem *folder_find_item_from_path(const gchar *path)
 569 {
 570         Folder *folder;
 571         gpointer d[2];
 572
 573         folder = folder_get_default_folder();
 574         g_return_val_if_fail(folder != NULL, NULL);
 575
 576         d[0] = (gpointer)path;
 577         d[1] = NULL;
 578         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 579                         folder_item_find_func, d);
 580         return d[1];
 581 }
 582
 583 static const struct {
 584         gchar *str;
 585         FolderType type;
 586 } type_str_table[] = {
 587         {"#mh"     , F_MH},
 588         {"#mbox"   , F_MBOX},
 589         {"#maildir", F_MAILDIR},
 590         {"#imap"   , F_IMAP},
 591         {"#news"   , F_NEWS}
 592 };
 593
 594 static gchar *folder_get_type_string(FolderType type)
 595 {
 596         gint i;
 597
 598         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 599              i++) {
 600                 if (type_str_table[i].type == type)
 601                         return type_str_table[i].str;
 602         }
 603
 604         return NULL;
 605 }
 606
 607 static FolderType folder_get_type_from_string(const gchar *str)
 608 {
 609         gint i;
 610
 611         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 612              i++) {
 613                 if (g_strcasecmp(type_str_table[i].str, str) == 0)
 614                         return type_str_table[i].type;
 615         }
 616
 617         return F_UNKNOWN;
 618 }
 619
 620 gchar *folder_get_identifier(Folder *folder)
 621 {
 622         gchar *type_str;
 623
 624         g_return_val_if_fail(folder != NULL, NULL);
 625
 626         type_str = folder_get_type_string(folder->type);
 627         return g_strconcat(type_str, "/", folder->name, NULL);
 628 }
 629
 630 gchar *folder_item_get_identifier(FolderItem *item)
 631 {
 632         gchar *id;
 633         gchar *folder_id;
 634
 635         g_return_val_if_fail(item != NULL, NULL);
 636         g_return_val_if_fail(item->path != NULL, NULL);
 637
 638         folder_id = folder_get_identifier(item->folder);
 639         id = g_strconcat(folder_id, "/", item->path, NULL);
 640         g_free(folder_id);
 641
 642         return id;
 643 }
 644
 645 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 646 {
 647         Folder *folder;
 648         gpointer d[2];
 649         gchar *str;
 650         gchar *p;
 651         gchar *name;
 652         gchar *path;
 653         FolderType type;
 654
 655         g_return_val_if_fail(identifier != NULL, NULL);
 656
 657         if (*identifier != '#')
 658                 return folder_find_item_from_path(identifier);
 659
 660         Xstrdup_a(str, identifier, return NULL);
 661
 662         p = strchr(str, '/');
 663         if (!p)
 664                 return folder_find_item_from_path(identifier);
 665         *p = '\0';
 666         p++;
 667         type = folder_get_type_from_string(str);
 668         if (type == F_UNKNOWN)
 669                 return folder_find_item_from_path(identifier);
 670
 671         name = p;
 672         p = strchr(p, '/');
 673         if (!p)
 674                 return folder_find_item_from_path(identifier);
 675         *p = '\0';
 676         p++;
 677
 678         folder = folder_find_from_name(name, type);
 679         if (!folder)
 680                 return folder_find_item_from_path(identifier);
 681
 682         path = p;
 683
 684         d[0] = (gpointer)path;
 685         d[1] = NULL;
 686         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 687                         folder_item_find_func, d);
 688         return d[1];
 689 }
 690
 691 Folder *folder_get_default_folder(void)
 692 {
 693         return folder_list ? FOLDER(folder_list->data) : NULL;
 694 }
 695
 696 FolderItem *folder_get_default_inbox(void)
 697 {
 698         Folder *folder;
 699
 700         if (!folder_list) return NULL;
 701         folder = FOLDER(folder_list->data);
 702         g_return_val_if_fail(folder != NULL, NULL);
 703         return folder->inbox;
 704 }
 705
 706 FolderItem *folder_get_default_outbox(void)
 707 {
 708         Folder *folder;
 709
 710         if (!folder_list) return NULL;
 711         folder = FOLDER(folder_list->data);
 712         g_return_val_if_fail(folder != NULL, NULL);
 713         return folder->outbox;
 714 }
 715
 716 FolderItem *folder_get_default_draft(void)
 717 {
 718         Folder *folder;
 719
 720         if (!folder_list) return NULL;
 721         folder = FOLDER(folder_list->data);
 722         g_return_val_if_fail(folder != NULL, NULL);
 723         return folder->draft;
 724 }
 725
 726 FolderItem *folder_get_default_queue(void)
 727 {
 728         Folder *folder;
 729
 730         if (!folder_list) return NULL;
 731         folder = FOLDER(folder_list->data);
 732         g_return_val_if_fail(folder != NULL, NULL);
 733         return folder->queue;
 734 }
 735
 736 FolderItem *folder_get_default_trash(void)
 737 {
 738         Folder *folder;
 739
 740         if (!folder_list) return NULL;
 741         folder = FOLDER(folder_list->data);
 742         g_return_val_if_fail(folder != NULL, NULL);
 743         return folder->trash;
 744 }
 745
 746 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 747 {                                                               \
 748         if (!folder->member) {                                  \
 749                 item = folder_item_new(folder, dir, dir);       \
 750                 item->stype = type;                             \
 751                 folder_item_append(rootitem, item);             \
 752                 folder->member = item;                          \
 753         }                                                       \
 754 }
 755
 756 void folder_set_missing_folders(void)
 757 {
 758         Folder *folder;
 759         FolderItem *rootitem;
 760         FolderItem *item;
 761         GList *list;
 762
 763         for (list = folder_list; list != NULL; list = list->next) {
 764                 folder = list->data;
 765                 if (folder->type != F_MH) continue;
 766                 rootitem = FOLDER_ITEM(folder->node->data);
 767                 g_return_if_fail(rootitem != NULL);
 768
 769                 if (folder->inbox && folder->outbox && folder->draft &&
 770                     folder->queue && folder->trash)
 771                         continue;
 772
 773                 if (folder->create_tree(folder) < 0) {
 774                         g_warning("%s: can't create the folder tree.\n",
 775                                   LOCAL_FOLDER(folder)->rootpath);
 776                         continue;
 777                 }
 778
 779                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 780                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 781                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 782                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 783                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 784         }
 785 }
 786
 787 #undef CREATE_FOLDER_IF_NOT_EXIST
 788
 789 gchar *folder_get_path(Folder *folder)
 790 {
 791         gchar *path;
 792
 793         g_return_val_if_fail(folder != NULL, NULL);
 794
 795         switch(FOLDER_TYPE(folder)) {
 796
 797                 case F_MH:
 798                         path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 799                         break;
 800
 801                 case F_IMAP:
 802                         g_return_val_if_fail(folder->account != NULL, NULL);
 803                         path = g_strconcat(get_imap_cache_dir(),
 804                                            G_DIR_SEPARATOR_S,
 805                                            folder->account->recv_server,
 806                                            G_DIR_SEPARATOR_S,
 807                                            folder->account->userid,
 808                                            NULL);
 809                         break;
 810
 811                 case F_NEWS:
 812                         g_return_val_if_fail(folder->account != NULL, NULL);
 813                         path = g_strconcat(get_news_cache_dir(),
 814                                            G_DIR_SEPARATOR_S,
 815                                            folder->account->nntp_server,
 816                                            NULL);
 817                         break;
 818
 819                 default:
 820                         path = NULL;
 821                         break;
 822         }
 823
 824         return path;
 825 }
 826
 827 gchar *folder_item_get_path(FolderItem *item)
 828 {
 829         gchar *folder_path;
 830         gchar *path;
 831
 832         g_return_val_if_fail(item != NULL, NULL);
 833
 834         if(FOLDER_TYPE(item->folder) != F_MBOX) {
 835                 folder_path = folder_get_path(item->folder);
 836                 g_return_val_if_fail(folder_path != NULL, NULL);
 837
 838                 if (folder_path[0] == G_DIR_SEPARATOR) {
 839                         if (item->path)
 840                                 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 841                                                    item->path, NULL);
 842                         else
 843                                 path = g_strdup(folder_path);
 844                 } else {
 845                         if (item->path)
 846                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 847                                                    folder_path, G_DIR_SEPARATOR_S,
 848                                                    item->path, NULL);
 849                         else
 850                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 851                                                    folder_path, NULL);
 852                 }
 853
 854                 g_free(folder_path);
 855         } else {
 856                 gchar *itempath;
 857
 858                 itempath = mbox_get_virtual_path(item);
 859                 if (itempath == NULL)
 860                         return NULL;
 861                 path = g_strconcat(get_mbox_cache_dir(),
 862                                           G_DIR_SEPARATOR_S, itempath, NULL);
 863                 g_free(itempath);
 864         }
 865         return path;
 866 }
 867
 868 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 869 {
 870         if (!(dest->stype == F_OUTBOX ||
 871               dest->stype == F_QUEUE  ||
 872               dest->stype == F_DRAFT  ||
 873               dest->stype == F_TRASH)) {
 874                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 875         } else {
 876                 flags->perm_flags = 0;
 877         }
 878         flags->tmp_flags = MSG_CACHED;
 879         if (dest->folder->type == F_MH) {
 880                 if (dest->stype == F_QUEUE) {
 881                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 882                 } else if (dest->stype == F_DRAFT) {
 883                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 884                 }
 885         } else if (dest->folder->type == F_IMAP) {
 886                 MSG_SET_TMP_FLAGS(*flags, MSG_IMAP);
 887         } else if (dest->folder->type == F_NEWS) {
 888                 MSG_SET_TMP_FLAGS(*flags, MSG_NEWS);
 889         }
 890 }
 891
 892 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 893 {
 894         MsgInfo *msginfo_a = (MsgInfo *) a;
 895         MsgInfo *msginfo_b = (MsgInfo *) b;
 896
 897         return (msginfo_a->msgnum - msginfo_b->msgnum);
 898 }
 899
 900 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 901 {
 902         guint gint_a = GPOINTER_TO_INT(a);
 903         guint gint_b = GPOINTER_TO_INT(b);
 904
 905         return (gint_a - gint_b);
 906 }
 907
 908 gint folder_item_scan(FolderItem *item)
 909 {
 910         Folder *folder;
 911         GSList *folder_list, *cache_list, *folder_list_cur, *cache_list_cur, *new_list = NULL;
 912         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
 913         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
 914
 915         g_return_val_if_fail(item != NULL, -1);
 916         if (item->path == NULL) return -1;
 917
 918         folder = item->folder;
 919
 920         g_return_val_if_fail(folder != NULL, -1);
 921         g_return_val_if_fail(folder->get_num_list != NULL, -1);
 922
 923         debug_print("Scanning folder %s for cache changes.\n", item->path);
 924
 925         /* Get list of messages for folder and cache */
 926         if (!folder->check_msgnum_validity ||
 927            folder->check_msgnum_validity(folder, item)) {
 928                 if (!item->cache)
 929                         folder_item_read_cache(item);
 930                 cache_list = msgcache_get_msg_list(item->cache);
 931         } else {
 932                 if (item->cache)
 933                         msgcache_destroy(item->cache);
 934                 item->cache = msgcache_new();
 935                 cache_list = NULL;
 936         }
 937         folder_list = folder->get_num_list(item->folder, item);
 938
 939         /* Sort both lists */
 940         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
 941         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
 942
 943         cache_list_cur = cache_list;
 944         folder_list_cur = folder_list;
 945
 946         if (cache_list_cur != NULL) {
 947                 GSList *cache_list_last;
 948
 949                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
 950                 cache_list_last = g_slist_last(cache_list);
 951                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
 952         } else {
 953                 cache_cur_num = G_MAXINT;
 954                 cache_max_num = 0;
 955         }
 956
 957         if (folder_list_cur != NULL) {
 958                 GSList *folder_list_last;
 959
 960                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
 961                 folder_list_last = g_slist_last(folder_list);
 962                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
 963         } else {
 964                 folder_cur_num = G_MAXINT;
 965                 folder_max_num = 0;
 966         }
 967
 968         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
 969                 /*
 970                  *  Message only exists in the folder
 971                  *  Remember message for fetching
 972                  */
 973                 if (folder_cur_num < cache_cur_num) {
 974                         gboolean add = FALSE;
 975
 976                         switch(folder->type) {
 977                                 case F_NEWS:
 978                                         if (folder_cur_num < cache_max_num)
 979                                                 break;
 980
 981                                         if (prefs_common.max_articles == 0) {
 982                                                 add = TRUE;
 983                                         }
 984
 985                                         if (folder_max_num <= prefs_common.max_articles) {
 986                                                 add = TRUE;
 987                                         } else if (folder_cur_num > (folder_max_num - prefs_common.max_articles)) {
 988                                                 add = TRUE;
 989                                         }
 990                                         break;
 991                                 default:
 992                                         add = TRUE;
 993                                         break;
 994                         }
 995
 996                         if (add) {
 997                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
 998                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
 999                         }
1000
1001                         /* Move to next folder number */
1002                         folder_list_cur = folder_list_cur->next;
1003
1004                         if (folder_list_cur != NULL)
1005                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1006                         else
1007                                 folder_cur_num = G_MAXINT;
1008
1009                         continue;
1010                 }
1011
1012                 /*
1013                  *  Message only exists in the cache
1014                  *  Remove the message from the cache
1015                  */
1016                 if (cache_cur_num < folder_cur_num) {
1017                         msgcache_remove_msg(item->cache, cache_cur_num);
1018                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1019
1020                         /* Move to next cache number */
1021                         cache_list_cur = cache_list_cur->next;
1022
1023                         if (cache_list_cur != NULL)
1024                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1025                         else
1026                                 cache_cur_num = G_MAXINT;
1027
1028                         continue;
1029                 }
1030
1031                 /*
1032                  *  Message number exists in folder and cache!
1033                  *  Check if the message has been modified
1034                  */
1035                 if (cache_cur_num == folder_cur_num) {
1036                         MsgInfo *msginfo;
1037
1038                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1039                         if (folder->is_msg_changed && folder->is_msg_changed(folder, item, msginfo)) {
1040                                 MsgInfo *newmsginfo;
1041
1042                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1043
1044                                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, item, folder_cur_num))) {
1045                                         msgcache_add_msg(item->cache, newmsginfo);
1046                                         if (MSG_IS_NEW(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1047                                                 newcnt++;
1048                                         if (MSG_IS_UNREAD(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1049                                                 unreadcnt++;
1050                                         procmsg_msginfo_free(newmsginfo);
1051                                 }
1052
1053                                 debug_print("Updated msginfo for message %d.\n", folder_cur_num);
1054                         } else {
1055                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1056                                         newcnt++;
1057                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1058                                         unreadcnt++;
1059                         }
1060                         totalcnt++;
1061                         procmsg_msginfo_free(msginfo);
1062
1063                         /* Move to next folder and cache number */
1064                         cache_list_cur = cache_list_cur->next;
1065                         folder_list_cur = folder_list_cur->next;
1066
1067                         if (cache_list_cur != NULL)
1068                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1069                         else
1070                                 cache_cur_num = G_MAXINT;
1071
1072                         if (folder_list_cur != NULL)
1073                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1074                         else
1075                                 folder_cur_num = G_MAXINT;
1076
1077                         continue;
1078                 }
1079         }
1080
1081         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur)) {
1082                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1083         }
1084
1085         g_slist_free(cache_list);
1086         g_slist_free(folder_list);
1087
1088         if (folder->fetch_msginfos) {
1089                 GSList *elem;
1090                 GSList *newmsg_list;
1091                 MsgInfo *msginfo;
1092
1093                 if (new_list) {
1094                         newmsg_list = folder->fetch_msginfos(folder, item, new_list);
1095                         for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1096                                 msginfo = (MsgInfo *) elem->data;
1097                                 msgcache_add_msg(item->cache, msginfo);
1098                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1099                                         newcnt++;
1100                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1101                                         unreadcnt++;
1102                                 totalcnt++;
1103                                 procmsg_msginfo_free(msginfo);
1104                         }
1105                         g_slist_free(newmsg_list);
1106                         folderview_update_item(item, FALSE);
1107                 }
1108         } else if (folder->fetch_msginfo) {
1109                 GSList *elem;
1110
1111                 for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1112                         MsgInfo *msginfo;
1113                         guint num;
1114
1115                         num = GPOINTER_TO_INT(elem->data);
1116                         msginfo = folder->fetch_msginfo(folder, item, num);
1117                         if (msginfo != NULL) {
1118                                 msgcache_add_msg(item->cache, msginfo);
1119                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1120                                     newcnt++;
1121                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1122                                     unreadcnt++;
1123                                 totalcnt++;
1124                                 procmsg_msginfo_free(msginfo);
1125                                 debug_print("Added newly found message %d to cache.\n", num);
1126                         }
1127                 }
1128                 folderview_update_item(item, FALSE);
1129         }
1130
1131         item->new = newcnt;
1132         item->unread = unreadcnt;
1133         item->total = totalcnt;
1134
1135         g_slist_free(new_list);
1136
1137         folderview_update_item(item, FALSE);
1138
1139         return 0;
1140 }
1141
1142 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1143                                           gpointer data)
1144 {
1145         folder_item_scan(FOLDER_ITEM(key));
1146 }
1147
1148 void folder_item_scan_foreach(GHashTable *table)
1149 {
1150         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1151 }
1152
1153 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1154 {
1155         gint *memusage = (gint *)data;
1156
1157         if (item->cache == NULL)
1158                 return;
1159
1160         *memusage += msgcache_get_memory_usage(item->cache);
1161 }
1162
1163 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1164 {
1165         FolderItem *fa = (FolderItem *)a;
1166         FolderItem *fb = (FolderItem *)b;
1167
1168         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1169 }
1170
1171 void folder_find_expired_caches(FolderItem *item, gpointer data)
1172 {
1173         GSList **folder_item_list = (GSList **)data;
1174         gint difftime, expiretime;
1175
1176         if (item->cache == NULL)
1177                 return;
1178
1179         if (item->opened > 0)
1180                 return;
1181
1182         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1183         expiretime = prefs_common.cache_min_keep_time * 60;
1184         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1185         if (difftime > expiretime) {
1186                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1187         }
1188 }
1189
1190 void folder_item_free_cache(FolderItem *item)
1191 {
1192         g_return_if_fail(item != NULL);
1193
1194         if (item->cache == NULL)
1195                 return;
1196
1197         if (item->opened > 0)
1198                 return;
1199
1200         folder_item_write_cache(item);
1201         msgcache_destroy(item->cache);
1202         item->cache = NULL;
1203 }
1204
1205 void folder_clean_cache_memory()
1206 {
1207         gint memusage = 0;
1208
1209         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1210         debug_print("Total cache memory usage: %d\n", memusage);
1211
1212         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1213                 GSList *folder_item_list = NULL, *listitem;
1214
1215                 debug_print("Trying to free cache memory\n");
1216
1217                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1218                 listitem = folder_item_list;
1219                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1220                         FolderItem *item = (FolderItem *)(listitem->data);
1221
1222                         debug_print("Freeing cache memory for %s\n", item->path);
1223                         memusage -= msgcache_get_memory_usage(item->cache);
1224                         folder_item_free_cache(item);
1225                         listitem = listitem->next;
1226                 }
1227                 g_slist_free(folder_item_list);
1228         }
1229 }
1230
1231 void folder_item_read_cache(FolderItem *item)
1232 {
1233         gchar *cache_file, *mark_file;
1234
1235         g_return_if_fail(item != NULL);
1236
1237         cache_file = folder_item_get_cache_file(item);
1238         mark_file = folder_item_get_mark_file(item);
1239         item->cache = msgcache_read_cache(item, cache_file);
1240         if (!item->cache) {
1241                 item->cache = msgcache_new();
1242                 folder_item_scan(item);
1243         }
1244         msgcache_read_mark(item->cache, mark_file);
1245         g_free(cache_file);
1246         g_free(mark_file);
1247
1248         folder_clean_cache_memory();
1249 }
1250
1251 void folder_item_write_cache(FolderItem *item)
1252 {
1253         gchar *cache_file, *mark_file;
1254         PrefsFolderItem *prefs;
1255         gint filemode = 0;
1256         gchar *id;
1257
1258         if (!item || !item->path || !item->cache)
1259                 return;
1260
1261         id = folder_item_get_identifier(item);
1262         debug_print("Save cache for folder %s\n", id);
1263         g_free(id);
1264
1265         cache_file = folder_item_get_cache_file(item);
1266         mark_file = folder_item_get_mark_file(item);
1267         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1268                 prefs = item->prefs;
1269                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1270                         /* for cache file */
1271                         filemode = prefs->folder_chmod;
1272                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1273                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1274                         chmod(cache_file, filemode);
1275                 }
1276         }
1277
1278         g_free(cache_file);
1279         g_free(mark_file);
1280 }
1281
1282 MsgInfo *folder_item_fetch_msginfo(FolderItem *item, gint num)
1283 {
1284         Folder *folder;
1285         MsgInfo *msginfo;
1286
1287         g_return_val_if_fail(item != NULL, NULL);
1288
1289         folder = item->folder;
1290         if (!item->cache)
1291                 folder_item_read_cache(item);
1292
1293         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1294                 return msginfo;
1295
1296         g_return_val_if_fail(folder->fetch_msginfo, NULL);
1297         if ((msginfo = folder->fetch_msginfo(folder, item, num)) != NULL) {
1298                 msgcache_add_msg(item->cache, msginfo);
1299                 return msginfo;
1300         }
1301
1302         return NULL;
1303 }
1304
1305 MsgInfo *folder_item_fetch_msginfo_by_id(FolderItem *item, const gchar *msgid)
1306 {
1307         Folder *folder;
1308         MsgInfo *msginfo;
1309
1310         g_return_val_if_fail(item != NULL, NULL);
1311
1312         folder = item->folder;
1313         if (!item->cache)
1314                 folder_item_read_cache(item);
1315
1316         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1317                 return msginfo;
1318
1319         return NULL;
1320 }
1321
1322 GSList *folder_item_get_msg_list(FolderItem *item)
1323 {
1324         g_return_val_if_fail(item != NULL, NULL);
1325
1326         if (item->cache == 0)
1327                 folder_item_read_cache(item);
1328
1329         g_return_val_if_fail(item->cache != NULL, NULL);
1330
1331         return msgcache_get_msg_list(item->cache);
1332 }
1333
1334 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1335 {
1336         Folder *folder;
1337
1338         g_return_val_if_fail(item != NULL, NULL);
1339
1340         folder = item->folder;
1341
1342         g_return_val_if_fail(folder->fetch_msg != NULL, NULL);
1343
1344         return folder->fetch_msg(folder, item, num);
1345 }
1346
1347 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1348                          gboolean remove_source)
1349 {
1350         Folder *folder;
1351         gint num;
1352         MsgInfo *msginfo;
1353
1354         g_return_val_if_fail(dest != NULL, -1);
1355         g_return_val_if_fail(file != NULL, -1);
1356
1357         folder = dest->folder;
1358
1359         g_return_val_if_fail(folder->add_msg != NULL, -1);
1360
1361         if (!dest->cache)
1362                 folder_item_read_cache(dest);
1363
1364         num = folder->add_msg(folder, dest, file, remove_source);
1365
1366         if (num > 0) {
1367                 msginfo = folder->fetch_msginfo(folder, dest, num);
1368
1369                 if (msginfo != NULL) {
1370                         if (MSG_IS_NEW(msginfo->flags))
1371                                 dest->new++;
1372                         if (MSG_IS_UNREAD(msginfo->flags))
1373                                 dest->unread++;
1374                         dest->total++;
1375
1376                         msgcache_add_msg(dest->cache, msginfo);
1377
1378                         procmsg_msginfo_free(msginfo);
1379                 }
1380
1381                 dest->last_num = num;
1382         }
1383
1384         return num;
1385 }
1386
1387 /*
1388 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1389 {
1390         Folder *folder;
1391         gint num;
1392
1393         g_return_val_if_fail(dest != NULL, -1);
1394         g_return_val_if_fail(msginfo != NULL, -1);
1395
1396         folder = dest->folder;
1397         if (dest->last_num < 0) folder->scan(folder, dest);
1398
1399         num = folder->move_msg(folder, dest, msginfo);
1400         if (num > 0) dest->last_num = num;
1401
1402         return num;
1403 }
1404 */
1405
1406 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1407 {
1408         Folder *folder;
1409         gint num;
1410         Folder *src_folder;
1411
1412         g_return_val_if_fail(dest != NULL, -1);
1413         g_return_val_if_fail(msginfo != NULL, -1);
1414
1415         folder = dest->folder;
1416
1417         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1418         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1419
1420         if (!dest->cache) folder_item_read_cache(dest);
1421
1422         src_folder = msginfo->folder->folder;
1423
1424         num = folder->copy_msg(folder, dest, msginfo);
1425
1426         if (num != -1) {
1427                 MsgInfo *newmsginfo;
1428
1429                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, dest, num))) {
1430                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1431
1432                         if (dest->stype == F_OUTBOX || dest->stype == F_QUEUE  ||
1433                             dest->stype == F_DRAFT  || dest->stype == F_TRASH)
1434                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1435                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1436                         msgcache_add_msg(dest->cache, newmsginfo);
1437
1438                         /* CLAWS */
1439                         if (src_folder->remove_msg)
1440                                 src_folder->remove_msg(src_folder, msginfo->folder,
1441                                                        msginfo->msgnum);
1442
1443                         msgcache_remove_msg(msginfo->folder->cache, msginfo->msgnum);
1444
1445                         if (MSG_IS_NEW(msginfo->flags))
1446                                 msginfo->folder->new--;
1447                         if (MSG_IS_NEW(newmsginfo->flags))
1448                                 dest->new++;
1449                         if (MSG_IS_UNREAD(msginfo->flags))
1450                                 msginfo->folder->unread--;
1451                         if (MSG_IS_UNREAD(newmsginfo->flags))
1452                                 dest->unread++;
1453                         msginfo->folder->total--;
1454                         dest->total++;
1455
1456                         procmsg_msginfo_free(newmsginfo);
1457                 }
1458         }
1459
1460         if (folder->finished_copy)
1461                 folder->finished_copy(folder, dest);
1462
1463         return num;
1464 }
1465
1466 /*
1467 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1468 {
1469         Folder *folder;
1470         gint num;
1471
1472         g_return_val_if_fail(dest != NULL, -1);
1473         g_return_val_if_fail(msglist != NULL, -1);
1474
1475         folder = dest->folder;
1476         if (dest->last_num < 0) folder->scan(folder, dest);
1477
1478         num = folder->move_msgs_with_dest(folder, dest, msglist);
1479         if (num > 0) dest->last_num = num;
1480         else dest->op_count = 0;
1481
1482         return num;
1483 }
1484 */
1485
1486 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1487 {
1488         Folder *folder;
1489         FolderItem *item;
1490         GSList *newmsgnums = NULL;
1491         GSList *l, *l2;
1492         gint num;
1493
1494         g_return_val_if_fail(dest != NULL, -1);
1495         g_return_val_if_fail(msglist != NULL, -1);
1496
1497         folder = dest->folder;
1498
1499         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1500         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1501
1502         /*
1503          * Copy messages to destination folder and
1504          * store new message numbers in newmsgnums
1505          */
1506         item = NULL;
1507         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1508                 MsgInfo * msginfo = (MsgInfo *) l->data;
1509
1510                 if (!item && msginfo->folder != NULL)
1511                         item = msginfo->folder;
1512
1513                 num = folder->copy_msg(folder, dest, msginfo);
1514                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1515         }
1516
1517         /* Read cache for dest folder */
1518         if (!dest->cache) folder_item_read_cache(dest);
1519
1520         /*
1521          * Fetch new MsgInfos for new messages in dest folder,
1522          * add them to the msgcache and update folder message counts
1523          */
1524         l2 = newmsgnums;
1525         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1526                 MsgInfo *msginfo = (MsgInfo *) l->data;
1527
1528                 num = GPOINTER_TO_INT(l2->data);
1529
1530                 if (num != -1) {
1531                         MsgInfo *newmsginfo;
1532
1533                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1534                         if (newmsginfo) {
1535                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1536                                 if (dest->stype == F_OUTBOX ||
1537                                     dest->stype == F_QUEUE  ||
1538                                     dest->stype == F_DRAFT  ||
1539                                     dest->stype == F_TRASH)
1540                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1541                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1542                                 msgcache_add_msg(dest->cache, newmsginfo);
1543
1544                                 if (MSG_IS_NEW(newmsginfo->flags))
1545                                         dest->new++;
1546                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1547                                         dest->unread++;
1548                                 dest->total++;
1549
1550                                 procmsg_msginfo_free(newmsginfo);
1551                         }
1552                 }
1553                 l2 = g_slist_next(l2);
1554         }
1555
1556         /*
1557          * Remove source messages from their folders if
1558          * copying was successfull and update folder
1559          * message counts
1560          */
1561         l2 = newmsgnums;
1562         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1563                 MsgInfo *msginfo = (MsgInfo *) l->data;
1564
1565                 num = GPOINTER_TO_INT(l2->data);
1566
1567                 if (num != -1) {
1568                         item->folder->remove_msg(item->folder,
1569                                                  msginfo->folder,
1570                                                  msginfo->msgnum);
1571                         if (!item->cache)
1572                                 folder_item_read_cache(item);
1573                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1574
1575                         if (MSG_IS_NEW(msginfo->flags))
1576                                 msginfo->folder->new--;
1577                         if (MSG_IS_UNREAD(msginfo->flags))
1578                                 msginfo->folder->unread--;
1579                         msginfo->folder->total--;
1580                 }
1581
1582                 l2 = g_slist_next(l2);
1583         }
1584
1585
1586         if (folder->finished_copy)
1587                 folder->finished_copy(folder, dest);
1588
1589         g_slist_free(newmsgnums);
1590         return dest->last_num;
1591 }
1592
1593 /*
1594 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1595 {
1596         Folder *folder;
1597         gint num;
1598
1599         g_return_val_if_fail(dest != NULL, -1);
1600         g_return_val_if_fail(msginfo != NULL, -1);
1601
1602         folder = dest->folder;
1603         if (dest->last_num < 0) folder->scan(folder, dest);
1604
1605         num = folder->copy_msg(folder, dest, msginfo);
1606         if (num > 0) dest->last_num = num;
1607
1608         return num;
1609 }
1610 */
1611
1612 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1613 {
1614         Folder *folder;
1615         gint num;
1616
1617         g_return_val_if_fail(dest != NULL, -1);
1618         g_return_val_if_fail(msginfo != NULL, -1);
1619
1620         folder = dest->folder;
1621
1622         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1623
1624         if (!dest->cache) folder_item_read_cache(dest);
1625
1626         num = folder->copy_msg(folder, dest, msginfo);
1627         if (num != -1) {
1628                 MsgInfo *newmsginfo;
1629
1630                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, dest, num))) {
1631                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1632                         if (dest->stype == F_OUTBOX ||
1633                             dest->stype == F_QUEUE  ||
1634                             dest->stype == F_DRAFT  ||
1635                             dest->stype == F_TRASH)
1636                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1637                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1638                         msgcache_add_msg(dest->cache, newmsginfo);
1639
1640                         if (MSG_IS_NEW(newmsginfo->flags))
1641                                 dest->new++;
1642                         if (MSG_IS_UNREAD(newmsginfo->flags))
1643                                 dest->unread++;
1644                         dest->total++;
1645
1646                         procmsg_msginfo_free(newmsginfo);
1647                 }
1648         }
1649
1650         if (folder->finished_copy)
1651                 folder->finished_copy(folder, dest);
1652
1653         return num;
1654 }
1655
1656 /*
1657 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1658 {
1659         Folder *folder;
1660         gint num;
1661
1662         g_return_val_if_fail(dest != NULL, -1);
1663         g_return_val_if_fail(msglist != NULL, -1);
1664
1665         folder = dest->folder;
1666         if (dest->last_num < 0) folder->scan(folder, dest);
1667
1668         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1669         if (num > 0) dest->last_num = num;
1670         else dest->op_count = 0;
1671
1672         return num;
1673 }
1674 */
1675
1676 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1677 {
1678         Folder *folder;
1679         gint num;
1680         GSList *newmsgnums = NULL;
1681         GSList *l, *l2;
1682
1683         g_return_val_if_fail(dest != NULL, -1);
1684         g_return_val_if_fail(msglist != NULL, -1);
1685
1686         folder = dest->folder;
1687
1688         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1689
1690         /*
1691          * Copy messages to destination folder and
1692          * store new message numbers in newmsgnums
1693          */
1694         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1695                 MsgInfo * msginfo = (MsgInfo *) l->data;
1696
1697                 num = folder->copy_msg(folder, dest, msginfo);
1698                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1699         }
1700
1701         /* Read cache for dest folder */
1702         if (!dest->cache) folder_item_read_cache(dest);
1703
1704         /*
1705          * Fetch new MsgInfos for new messages in dest folder,
1706          * add them to the msgcache and update folder message counts
1707          */
1708         l2 = newmsgnums;
1709         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1710                 MsgInfo *msginfo = (MsgInfo *) l->data;
1711
1712                 num = GPOINTER_TO_INT(l2->data);
1713
1714                 if (num != -1) {
1715                         MsgInfo *newmsginfo;
1716
1717                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1718                         if (newmsginfo) {
1719                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1720                                 if (dest->stype == F_OUTBOX ||
1721                                     dest->stype == F_QUEUE  ||
1722                                     dest->stype == F_DRAFT  ||
1723                                     dest->stype == F_TRASH)
1724                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1725                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1726                                 msgcache_add_msg(dest->cache, newmsginfo);
1727
1728                                 if (MSG_IS_NEW(newmsginfo->flags))
1729                                         dest->new++;
1730                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1731                                         dest->unread++;
1732                                 dest->total++;
1733
1734                                 procmsg_msginfo_free(newmsginfo);
1735                         }
1736                 }
1737                 l2 = g_slist_next(l2);
1738         }
1739
1740         if (folder->finished_copy)
1741                 folder->finished_copy(folder, dest);
1742
1743         g_slist_free(newmsgnums);
1744         return dest->last_num;
1745 }
1746
1747 gint folder_item_remove_msg(FolderItem *item, gint num)
1748 {
1749         Folder *folder;
1750         gint ret;
1751         MsgInfo *msginfo;
1752
1753         g_return_val_if_fail(item != NULL, -1);
1754
1755         folder = item->folder;
1756         if (!item->cache) folder_item_read_cache(item);
1757
1758         ret = folder->remove_msg(folder, item, num);
1759
1760         msginfo = msgcache_get_msg(item->cache, num);
1761         if (msginfo != NULL) {
1762                 if (MSG_IS_NEW(msginfo->flags))
1763                         item->new--;
1764                 if (MSG_IS_UNREAD(msginfo->flags))
1765                         item->unread--;
1766                 procmsg_msginfo_free(msginfo);
1767                 msgcache_remove_msg(item->cache, num);
1768         }
1769         item->total--;
1770
1771         return ret;
1772 }
1773
1774 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
1775 {
1776         gint ret = 0;
1777
1778         g_return_val_if_fail(item != NULL, -1);
1779
1780         if (!item->cache) folder_item_read_cache(item);
1781
1782         while (msglist != NULL) {
1783                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
1784
1785                 ret = folder_item_remove_msg(item, msginfo->msgnum);
1786                 if (ret != 0) break;
1787                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1788                 msglist = msglist->next;
1789         }
1790
1791         return ret;
1792 }
1793
1794 gint folder_item_remove_all_msg(FolderItem *item)
1795 {
1796         Folder *folder;
1797         gint result;
1798
1799         g_return_val_if_fail(item != NULL, -1);
1800
1801         folder = item->folder;
1802
1803         g_return_val_if_fail(folder->remove_all_msg != NULL, -1);
1804
1805         result = folder->remove_all_msg(folder, item);
1806
1807         if (result == 0) {
1808                 if (folder->finished_remove)
1809                         folder->finished_remove(folder, item);
1810
1811                 folder_item_free_cache(item);
1812                 item->cache = msgcache_new();
1813
1814                 item->new = 0;
1815                 item->unread = 0;
1816                 item->total = 0;
1817         }
1818
1819         return result;
1820 }
1821
1822 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
1823 {
1824         Folder *folder;
1825
1826         g_return_val_if_fail(item != NULL, FALSE);
1827
1828         folder = item->folder;
1829
1830         g_return_val_if_fail(folder->is_msg_changed != NULL, -1);
1831
1832         return folder->is_msg_changed(folder, item, msginfo);
1833 }
1834
1835 gchar *folder_item_get_cache_file(FolderItem *item)
1836 {
1837         gchar *path;
1838         gchar *file;
1839
1840         g_return_val_if_fail(item != NULL, NULL);
1841         g_return_val_if_fail(item->path != NULL, NULL);
1842
1843         path = folder_item_get_path(item);
1844         g_return_val_if_fail(path != NULL, NULL);
1845         if (!is_dir_exist(path))
1846                 make_dir_hier(path);
1847         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
1848         g_free(path);
1849
1850         return file;
1851 }
1852
1853 gchar *folder_item_get_mark_file(FolderItem *item)
1854 {
1855         gchar *path;
1856         gchar *file;
1857
1858         g_return_val_if_fail(item != NULL, NULL);
1859         g_return_val_if_fail(item->path != NULL, NULL);
1860
1861         path = folder_item_get_path(item);
1862         g_return_val_if_fail(path != NULL, NULL);
1863         if (!is_dir_exist(path))
1864                 make_dir_hier(path);
1865         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
1866         g_free(path);
1867
1868         return file;
1869 }
1870
1871 static gboolean folder_build_tree(GNode *node, gpointer data)
1872 {
1873         Folder *folder = FOLDER(data);
1874         FolderItem *item;
1875         XMLNode *xmlnode;
1876         GList *list;
1877         SpecialFolderItemType stype = F_NORMAL;
1878         const gchar *name = NULL;
1879         const gchar *path = NULL;
1880         PrefsAccount *account = NULL;
1881         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
1882                  threaded = TRUE, ret_rcpt = FALSE, hidereadmsgs = FALSE;
1883         FolderSortKey sort_key = SORT_BY_NONE;
1884         FolderSortType sort_type = SORT_ASCENDING;
1885         gint new = 0, unread = 0, total = 0;
1886         time_t mtime = 0;
1887
1888         g_return_val_if_fail(node->data != NULL, FALSE);
1889         if (!node->parent) return FALSE;
1890
1891         xmlnode = node->data;
1892         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
1893                 g_warning("tag name != \"folderitem\"\n");
1894                 return FALSE;
1895         }
1896
1897         list = xmlnode->tag->attr;
1898         for (; list != NULL; list = list->next) {
1899                 XMLAttr *attr = list->data;
1900
1901                 if (!attr || !attr->name || !attr->value) continue;
1902                 if (!strcmp(attr->name, "type")) {
1903                         if (!strcasecmp(attr->value, "normal"))
1904                                 stype = F_NORMAL;
1905                         else if (!strcasecmp(attr->value, "inbox"))
1906                                 stype = F_INBOX;
1907                         else if (!strcasecmp(attr->value, "outbox"))
1908                                 stype = F_OUTBOX;
1909                         else if (!strcasecmp(attr->value, "draft"))
1910                                 stype = F_DRAFT;
1911                         else if (!strcasecmp(attr->value, "queue"))
1912                                 stype = F_QUEUE;
1913                         else if (!strcasecmp(attr->value, "trash"))
1914                                 stype = F_TRASH;
1915                 } else if (!strcmp(attr->name, "name"))
1916                         name = attr->value;
1917                 else if (!strcmp(attr->name, "path"))
1918                         path = attr->value;
1919                 else if (!strcmp(attr->name, "account_id")) {
1920                         account = account_find_from_id(atoi(attr->value));
1921                         if (!account) g_warning("account_id: %s not found\n",
1922                                                 attr->value);
1923                 } else if (!strcmp(attr->name, "mtime"))
1924                         mtime = strtoul(attr->value, NULL, 10);
1925                 else if (!strcmp(attr->name, "new"))
1926                         new = atoi(attr->value);
1927                 else if (!strcmp(attr->name, "unread"))
1928                         unread = atoi(attr->value);
1929                 else if (!strcmp(attr->name, "total"))
1930                         total = atoi(attr->value);
1931                 else if (!strcmp(attr->name, "no_sub"))
1932                         no_sub = *attr->value == '1' ? TRUE : FALSE;
1933                 else if (!strcmp(attr->name, "no_select"))
1934                         no_select = *attr->value == '1' ? TRUE : FALSE;
1935                 else if (!strcmp(attr->name, "collapsed"))
1936                         collapsed = *attr->value == '1' ? TRUE : FALSE;
1937                 else if (!strcmp(attr->name, "threaded"))
1938                         threaded =  *attr->value == '1' ? TRUE : FALSE;
1939                 else if (!strcmp(attr->name, "hidereadmsgs"))
1940                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
1941                 else if (!strcmp(attr->name, "reqretrcpt"))
1942                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
1943                 else if (!strcmp(attr->name, "sort_key")) {
1944                         if (!strcmp(attr->value, "none"))
1945                                 sort_key = SORT_BY_NONE;
1946                         else if (!strcmp(attr->value, "number"))
1947                                 sort_key = SORT_BY_NUMBER;
1948                         else if (!strcmp(attr->value, "size"))
1949                                 sort_key = SORT_BY_SIZE;
1950                         else if (!strcmp(attr->value, "date"))
1951                                 sort_key = SORT_BY_DATE;
1952                         else if (!strcmp(attr->value, "from"))
1953                                 sort_key = SORT_BY_FROM;
1954                         else if (!strcmp(attr->value, "subject"))
1955                                 sort_key = SORT_BY_SUBJECT;
1956                         else if (!strcmp(attr->value, "score"))
1957                                 sort_key = SORT_BY_SCORE;
1958                         else if (!strcmp(attr->value, "label"))
1959                                 sort_key = SORT_BY_LABEL;
1960                         else if (!strcmp(attr->value, "mark"))
1961                                 sort_key = SORT_BY_MARK;
1962                         else if (!strcmp(attr->value, "unread"))
1963                                 sort_key = SORT_BY_UNREAD;
1964                         else if (!strcmp(attr->value, "mime"))
1965                                 sort_key = SORT_BY_MIME;
1966                         else if (!strcmp(attr->value, "locked"))
1967                                 sort_key = SORT_BY_LOCKED;
1968                 } else if (!strcmp(attr->name, "sort_type")) {
1969                         if (!strcmp(attr->value, "ascending"))
1970                                 sort_type = SORT_ASCENDING;
1971                         else
1972                                 sort_type = SORT_DESCENDING;
1973                 }
1974         }
1975
1976         item = folder_item_new(folder, name, path);
1977         item->stype = stype;
1978         item->account = account;
1979         item->mtime = mtime;
1980         item->new = new;
1981         item->unread = unread;
1982         item->total = total;
1983         item->no_sub = no_sub;
1984         item->no_select = no_select;
1985         item->collapsed = collapsed;
1986         item->threaded  = threaded;
1987         item->hide_read_msgs  = hidereadmsgs;
1988         item->ret_rcpt  = ret_rcpt;
1989         item->sort_key  = sort_key;
1990         item->sort_type = sort_type;
1991         item->parent = FOLDER_ITEM(node->parent->data);
1992         item->folder = folder;
1993         switch (stype) {
1994         case F_INBOX:  folder->inbox  = item; break;
1995         case F_OUTBOX: folder->outbox = item; break;
1996         case F_DRAFT:  folder->draft  = item; break;
1997         case F_QUEUE:  folder->queue  = item; break;
1998         case F_TRASH:  folder->trash  = item; break;
1999         default:       break;
2000         }
2001
2002         prefs_folder_item_read_config(item);
2003
2004         node->data = item;
2005         xml_free_node(xmlnode);
2006
2007         return FALSE;
2008 }
2009
2010 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2011 {
2012         Folder *folder;
2013         XMLNode *xmlnode;
2014         GList *list;
2015         FolderType type = F_UNKNOWN;
2016         const gchar *name = NULL;
2017         const gchar *path = NULL;
2018         PrefsAccount *account = NULL;
2019         gboolean collapsed = FALSE, threaded = TRUE, ret_rcpt = FALSE;
2020
2021         if (g_node_depth(node) != 2) return FALSE;
2022         g_return_val_if_fail(node->data != NULL, FALSE);
2023
2024         xmlnode = node->data;
2025         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2026                 g_warning("tag name != \"folder\"\n");
2027                 return TRUE;
2028         }
2029         g_node_unlink(node);
2030         list = xmlnode->tag->attr;
2031         for (; list != NULL; list = list->next) {
2032                 XMLAttr *attr = list->data;
2033
2034                 if (!attr || !attr->name || !attr->value) continue;
2035                 if (!strcmp(attr->name, "type")) {
2036                         if (!strcasecmp(attr->value, "mh"))
2037                                 type = F_MH;
2038                         else if (!strcasecmp(attr->value, "mbox"))
2039                                 type = F_MBOX;
2040                         else if (!strcasecmp(attr->value, "maildir"))
2041                                 type = F_MAILDIR;
2042                         else if (!strcasecmp(attr->value, "imap"))
2043                                 type = F_IMAP;
2044                         else if (!strcasecmp(attr->value, "news"))
2045                                 type = F_NEWS;
2046                 } else if (!strcmp(attr->name, "name"))
2047                         name = attr->value;
2048                 else if (!strcmp(attr->name, "path"))
2049                         path = attr->value;
2050                 else if (!strcmp(attr->name, "account_id")) {
2051                         account = account_find_from_id(atoi(attr->value));
2052                         if (!account) g_warning("account_id: %s not found\n",
2053                                                 attr->value);
2054                 } else if (!strcmp(attr->name, "collapsed"))
2055                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2056                 else if (!strcmp(attr->name, "threaded"))
2057                         threaded = *attr->value == '1' ? TRUE : FALSE;
2058                 else if (!strcmp(attr->name, "reqretrcpt"))
2059                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2060         }
2061
2062         folder = folder_new(type, name, path);
2063         g_return_val_if_fail(folder != NULL, FALSE);
2064         folder->account = account;
2065         if (account && (type == F_IMAP || type == F_NEWS))
2066                 account->folder = REMOTE_FOLDER(folder);
2067         node->data = folder->node->data;
2068         g_node_destroy(folder->node);
2069         folder->node = node;
2070         folder_add(folder);
2071         FOLDER_ITEM(node->data)->collapsed = collapsed;
2072         FOLDER_ITEM(node->data)->threaded  = threaded;
2073         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2074
2075         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2076                         folder_build_tree, folder);
2077
2078         return FALSE;
2079 }
2080
2081 static gchar *folder_get_list_path(void)
2082 {
2083         static gchar *filename = NULL;
2084
2085         if (!filename)
2086                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2087                                         FOLDER_LIST, NULL);
2088
2089         return filename;
2090 }
2091
2092 static void folder_write_list_recursive(GNode *node, gpointer data)
2093 {
2094         FILE *fp = (FILE *)data;
2095         FolderItem *item;
2096         gint i, depth;
2097         static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
2098                                            "news", "unknown"};
2099         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2100                                                  "draft", "queue", "trash"};
2101         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2102                                         "from", "subject", "score", "label",
2103                                         "mark", "unread", "mime", "locked" };
2104         g_return_if_fail(node != NULL);
2105         g_return_if_fail(fp != NULL);
2106
2107         item = FOLDER_ITEM(node->data);
2108         g_return_if_fail(item != NULL);
2109
2110         depth = g_node_depth(node);
2111         for (i = 0; i < depth; i++)
2112                 fputs("    ", fp);
2113         if (depth == 1) {
2114                 Folder *folder = item->folder;
2115
2116                 fprintf(fp, "<folder type=\"%s\"", folder_type_str[folder->type]);
2117                 if (folder->name) {
2118                         fputs(" name=\"", fp);
2119                         xml_file_put_escape_str(fp, folder->name);
2120                         fputs("\"", fp);
2121                 }
2122                 if ((folder->type == F_MH) || (folder->type == F_MBOX)) {
2123                         fputs(" path=\"", fp);
2124                         xml_file_put_escape_str
2125                                 (fp, LOCAL_FOLDER(folder)->rootpath);
2126                         fputs("\"", fp);
2127                 }
2128                 if (folder->account)
2129                         fprintf(fp, " account_id=\"%d\"",
2130                                 folder->account->account_id);
2131                 if (item->collapsed && node->children)
2132                         fputs(" collapsed=\"1\"", fp);
2133                 if (item->ret_rcpt)
2134                         fputs(" reqretrcpt=\"1\"", fp);
2135         } else {
2136                 fprintf(fp, "<folderitem type=\"%s\"",
2137                         folder_item_stype_str[item->stype]);
2138                 if (item->name) {
2139                         fputs(" name=\"", fp);
2140                         xml_file_put_escape_str(fp, item->name);
2141                         fputs("\"", fp);
2142                 }
2143                 if (item->path) {
2144                         fputs(" path=\"", fp);
2145                         xml_file_put_escape_str(fp, item->path);
2146                         fputs("\"", fp);
2147                 }
2148                 if (item->account)
2149                         fprintf(fp, " account_id=\"%d\"",
2150                                 item->account->account_id);
2151                 if (item->no_sub)
2152                         fputs(" no_sub=\"1\"", fp);
2153                 if (item->no_select)
2154                         fputs(" no_select=\"1\"", fp);
2155                 if (item->collapsed && node->children)
2156                         fputs(" collapsed=\"1\"", fp);
2157                 if (item->threaded)
2158                         fputs(" threaded=\"1\"", fp);
2159                 else
2160                         fputs(" threaded=\"0\"", fp);
2161                 if (item->hide_read_msgs)
2162                         fputs(" hidereadmsgs=\"1\"", fp);
2163                 else
2164                         fputs(" hidereadmsgs=\"0\"", fp);
2165                 if (item->ret_rcpt)
2166                         fputs(" reqretrcpt=\"1\"", fp);
2167
2168                 if (item->sort_key != SORT_BY_NONE) {
2169                         fprintf(fp, " sort_key=\"%s\"",
2170                                 sort_key_str[item->sort_key]);
2171                         if (item->sort_type == SORT_ASCENDING)
2172                                 fprintf(fp, " sort_type=\"ascending\"");
2173                         else
2174                                 fprintf(fp, " sort_type=\"descending\"");
2175                 }
2176
2177                 fprintf(fp,
2178                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" total=\"%d\"",
2179                         item->mtime, item->new, item->unread, item->total);
2180         }
2181
2182         if (node->children) {
2183                 GNode *child;
2184                 fputs(">\n", fp);
2185
2186                 child = node->children;
2187                 while (child) {
2188                         GNode *cur;
2189
2190                         cur = child;
2191                         child = cur->next;
2192                         folder_write_list_recursive(cur, data);
2193                 }
2194
2195                 for (i = 0; i < depth; i++)
2196                         fputs("    ", fp);
2197                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2198         } else
2199                 fputs(" />\n", fp);
2200 }
2201
2202 static void folder_update_op_count_rec(GNode *node) {
2203         FolderItem *fitem = FOLDER_ITEM(node->data);
2204
2205         if (g_node_depth(node) > 0) {
2206                 if (fitem->op_count > 0) {
2207                         fitem->op_count = 0;
2208                         folderview_update_item(fitem, 0);
2209                 }
2210                 if (node->children) {
2211                         GNode *child;
2212
2213                         child = node->children;
2214                         while (child) {
2215                                 GNode *cur;
2216
2217                                 cur = child;
2218                                 child = cur->next;
2219                                 folder_update_op_count_rec(cur);
2220                         }
2221                 }
2222         }
2223 }
2224
2225 void folder_update_op_count() {
2226         GList *cur;
2227         Folder *folder;
2228
2229         for (cur = folder_list; cur != NULL; cur = cur->next) {
2230                 folder = cur->data;
2231                 folder_update_op_count_rec(folder->node);
2232         }
2233 }
2234
2235 typedef struct _type_str {
2236         gchar * str;
2237         gint type;
2238 } type_str;
2239
2240
2241 /*
2242 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2243 {
2244         if (item->parent != NULL) {
2245                 gchar * path;
2246                 gchar * id;
2247
2248                 path = folder_item_get_tree_identifier(item->parent);
2249                 if (path == NULL)
2250                         return NULL;
2251
2252                 id = g_strconcat(path, "/", item->name, NULL);
2253                 g_free(path);
2254
2255                 return id;
2256         }
2257         else {
2258                 return g_strconcat("/", item->name, NULL);
2259         }
2260 }
2261 */
2262
2263 /* CLAWS: temporary local folder for filtering */
2264 static Folder *processing_folder;
2265 static FolderItem *processing_folder_item;
2266
2267 static void folder_create_processing_folder(void)
2268 {
2269 #define PROCESSING_FOLDER ".processing"
2270         Folder     *tmpparent;
2271         gchar      *tmpname;
2272
2273         tmpparent = folder_get_default_folder();
2274         g_assert(tmpparent);
2275         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2276         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2277                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2278                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2279                                       NULL);
2280         else
2281                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2282                                       LOCAL_FOLDER(tmpparent)->rootpath,
2283                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2284                                       NULL);
2285
2286         processing_folder = folder_new(F_MH, "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2287         g_assert(processing_folder);
2288
2289         if (!is_dir_exist(tmpname)) {
2290                 debug_print("*TMP* creating %s\n", tmpname);
2291                 processing_folder_item = processing_folder->create_folder(processing_folder,
2292                                                                           processing_folder->node->data,
2293                                                                           PROCESSING_FOLDER);
2294                 g_assert(processing_folder_item);
2295         }
2296         else {
2297                 debug_print("*TMP* already created\n");
2298                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2299                 g_assert(processing_folder_item);
2300                 folder_item_append(processing_folder->node->data, processing_folder_item);
2301         }
2302         g_free(tmpname);
2303 }
2304
2305 FolderItem *folder_get_default_processing(void)
2306 {
2307         if (!processing_folder_item) {
2308                 folder_create_processing_folder();
2309         }
2310         return processing_folder_item;
2311 }
2312
2313 /* folder_persist_prefs_new() - return hash table with persistent
2314  * settings (and folder name as key).
2315  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2316  * file, so those don't need to be included in PersistPref yet)
2317  */
2318 GHashTable *folder_persist_prefs_new(Folder *folder)
2319 {
2320         GHashTable *pptable;
2321
2322         g_return_val_if_fail(folder, NULL);
2323         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2324         folder_get_persist_prefs_recursive(folder->node, pptable);
2325         return pptable;
2326 }
2327
2328 void folder_persist_prefs_free(GHashTable *pptable)
2329 {
2330         g_return_if_fail(pptable);
2331         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2332         g_hash_table_destroy(pptable);
2333 }
2334
2335 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2336 {
2337         if (pptable == NULL || name == NULL) return NULL;
2338         return g_hash_table_lookup(pptable, name);
2339 }
2340
2341 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2342 {
2343         const PersistPrefs *pp;
2344         gchar *id = folder_item_get_identifier(item);
2345
2346         pp = folder_get_persist_prefs(pptable, id);
2347         g_free(id);
2348
2349         if (!pp) return;
2350
2351         /* CLAWS: since not all folder properties have been migrated to
2352          * folderlist.xml, we need to call the old stuff first before
2353          * setting things that apply both to Main and Claws. */
2354         prefs_folder_item_read_config(item);
2355
2356         item->collapsed = pp->collapsed;
2357         item->threaded  = pp->threaded;
2358         item->ret_rcpt  = pp->ret_rcpt;
2359         item->hide_read_msgs = pp->hide_read_msgs;
2360         item->sort_key  = pp->sort_key;
2361         item->sort_type = pp->sort_type;
2362 }
2363
2364 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2365 {
2366         FolderItem *item = FOLDER_ITEM(node->data);
2367         PersistPrefs *pp;
2368         GNode *child, *cur;
2369         gchar *id;
2370
2371         g_return_if_fail(node != NULL);
2372         g_return_if_fail(item != NULL);
2373
2374         /* NOTE: item->path == NULL means top level folder; not interesting
2375          * to store preferences of that one.  */
2376         if (item->path) {
2377                 id = folder_item_get_identifier(item);
2378                 pp = g_new0(PersistPrefs, 1);
2379                 g_return_if_fail(pp != NULL);
2380                 pp->collapsed = item->collapsed;
2381                 pp->threaded  = item->threaded;
2382                 pp->ret_rcpt  = item->ret_rcpt;
2383                 pp->hide_read_msgs = item->hide_read_msgs;
2384                 pp->sort_key  = item->sort_key;
2385                 pp->sort_type = item->sort_type;
2386                 g_hash_table_insert(pptable, id, pp);
2387         }
2388
2389         if (node->children) {
2390                 child = node->children;
2391                 while (child) {
2392                         cur = child;
2393                         child = cur->next;
2394                         folder_get_persist_prefs_recursive(cur, pptable);
2395                 }
2396         }
2397 }
2398
2399 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2400 {
2401         if (key)
2402                 g_free(key);
2403         if (val)
2404                 g_free(val);
2405         return TRUE;
2406 }
2407
2408 void folder_item_apply_processing(FolderItem *item)
2409 {
2410         GSList *processing_list;
2411         GSList *mlist, *cur;
2412         GHashTable *folder_table;
2413
2414         g_return_if_fail(item != NULL);
2415
2416         processing_list = item->prefs->processing;
2417         if (processing_list == NULL)
2418                 return;
2419         folder_table = g_hash_table_new(NULL, NULL);
2420
2421         mlist = folder_item_get_msg_list(item);
2422
2423         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2424                 MsgInfo * msginfo;
2425
2426                 msginfo = (MsgInfo *) cur->data;
2427                 filter_message_by_msginfo(processing_list, msginfo,
2428                                           folder_table);
2429                 procmsg_msginfo_free(msginfo);
2430         }
2431
2432         /* folder_item_scan_foreach(summaryview->folder_table); */
2433         folderview_update_item_foreach(folder_table, FALSE);
2434
2435         g_slist_free(mlist);
2436
2437         g_hash_table_destroy(folder_table);
2438 }