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         FolderItem *item;
  77
  78         name = name ? name : path;
  79         switch (type) {
  80         case F_MBOX:
  81                 folder = mbox_folder_new(name, path);
  82                 break;
  83         case F_MH:
  84                 folder = mh_folder_new(name, path);
  85                 break;
  86         case F_IMAP:
  87                 folder = imap_folder_new(name, path);
  88                 break;
  89         case F_NEWS:
  90                 folder = news_folder_new(name, path);
  91                 break;
  92         default:
  93                 return NULL;
  94         }
  95
  96         /* Create root folder item */
  97         item = folder_item_new(folder, name, NULL);
  98         item->folder = folder;
  99         folder->node = g_node_new(item);
 100         folder->data = NULL;
 101
 102         return folder;
 103 }
 104
 105 static void folder_init(Folder *folder, const gchar *name)
 106 {
 107         g_return_if_fail(folder != NULL);
 108
 109         folder_set_name(folder, name);
 110
 111         /* Init folder data */
 112         folder->account = NULL;
 113         folder->inbox = NULL;
 114         folder->outbox = NULL;
 115         folder->draft = NULL;
 116         folder->queue = NULL;
 117         folder->trash = NULL;
 118
 119         /* Init Folder functions */
 120         folder->item_new = NULL;
 121         folder->item_destroy = NULL;
 122         folder->fetch_msg = NULL;
 123         folder->fetch_msginfo = NULL;
 124         folder->fetch_msginfos = NULL;
 125         folder->get_num_list = NULL;
 126         folder->ui_func = NULL;
 127         folder->ui_func_data = NULL;
 128         folder->change_flags = NULL;
 129         folder->check_msgnum_validity = NULL;
 130 }
 131
 132 void folder_local_folder_init(Folder *folder, const gchar *name,
 133                               const gchar *path)
 134 {
 135         folder_init(folder, name);
 136         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
 137 }
 138
 139 void folder_remote_folder_init(Folder *folder, const gchar *name,
 140                                const gchar *path)
 141 {
 142         folder_init(folder, name);
 143         REMOTE_FOLDER(folder)->session = NULL;
 144 }
 145
 146 void folder_destroy(Folder *folder)
 147 {
 148         g_return_if_fail(folder != NULL);
 149         g_return_if_fail(folder->destroy != NULL);
 150
 151         folder->destroy(folder);
 152
 153         folder_list = g_list_remove(folder_list, folder);
 154
 155         folder_tree_destroy(folder);
 156         g_free(folder->name);
 157         g_free(folder);
 158 }
 159
 160 void folder_local_folder_destroy(LocalFolder *lfolder)
 161 {
 162         g_return_if_fail(lfolder != NULL);
 163
 164         g_free(lfolder->rootpath);
 165 }
 166
 167 void folder_remote_folder_destroy(RemoteFolder *rfolder)
 168 {
 169         g_return_if_fail(rfolder != NULL);
 170
 171         if (rfolder->session)
 172                 session_destroy(rfolder->session);
 173 }
 174
 175 #if 0
 176 Folder *mbox_folder_new(const gchar *name, const gchar *path)
 177 {
 178         /* not yet implemented */
 179         return NULL;
 180 }
 181
 182 Folder *maildir_folder_new(const gchar *name, const gchar *path)
 183 {
 184         /* not yet implemented */
 185         return NULL;
 186 }
 187 #endif
 188
 189 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 190 {
 191         FolderItem *item = NULL;
 192
 193         if (folder->item_new) {
 194                 item = folder->item_new(folder);
 195         } else {
 196                 item = g_new0(FolderItem, 1);
 197         }
 198
 199         g_return_val_if_fail(item != NULL, NULL);
 200
 201         item->stype = F_NORMAL;
 202         item->name = g_strdup(name);
 203         item->path = g_strdup(path);
 204         item->mtime = 0;
 205         item->new = 0;
 206         item->unread = 0;
 207         item->total = 0;
 208         item->last_num = -1;
 209         item->cache = NULL;
 210         item->no_sub = FALSE;
 211         item->no_select = FALSE;
 212         item->collapsed = FALSE;
 213         item->threaded  = TRUE;
 214         item->ret_rcpt  = FALSE;
 215         item->opened    = FALSE;
 216         item->parent = NULL;
 217         item->folder = NULL;
 218         item->account = NULL;
 219         item->apply_sub = FALSE;
 220         item->mark_queue = NULL;
 221         item->data = NULL;
 222
 223         item->prefs = prefs_folder_item_new();
 224
 225         return item;
 226 }
 227
 228 void folder_item_append(FolderItem *parent, FolderItem *item)
 229 {
 230         GNode *node;
 231
 232         g_return_if_fail(parent != NULL);
 233         g_return_if_fail(parent->folder != NULL);
 234         g_return_if_fail(item != NULL);
 235
 236         node = parent->folder->node;
 237         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 238         g_return_if_fail(node != NULL);
 239
 240         item->parent = parent;
 241         item->folder = parent->folder;
 242         g_node_append_data(node, item);
 243 }
 244
 245 void folder_item_remove(FolderItem *item)
 246 {
 247         GNode *node;
 248
 249         g_return_if_fail(item != NULL);
 250         g_return_if_fail(item->folder != NULL);
 251
 252         node = item->folder->node;
 253         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 254         g_return_if_fail(node != NULL);
 255
 256         /* TODO: free all FolderItem's first */
 257         if (item->folder->node == node)
 258                 item->folder->node = NULL;
 259         g_node_destroy(node);
 260 }
 261
 262 void folder_item_destroy(FolderItem *item)
 263 {
 264         g_return_if_fail(item != NULL);
 265
 266         debug_print("Destroying folder item %s\n", item->path);
 267
 268         if (item->cache)
 269                 folder_item_free_cache(item);
 270         g_free(item->name);
 271         g_free(item->path);
 272
 273         if (item->folder != NULL) {
 274                 if(item->folder->item_destroy) {
 275                         item->folder->item_destroy(item->folder, item);
 276                 } else {
 277                         g_free(item);
 278                 }
 279         }
 280 }
 281
 282 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 283 {
 284         g_return_if_fail(folder != NULL);
 285
 286         folder->ui_func = func;
 287         folder->ui_func_data = data;
 288 }
 289
 290 void folder_set_name(Folder *folder, const gchar *name)
 291 {
 292         g_return_if_fail(folder != NULL);
 293
 294         g_free(folder->name);
 295         folder->name = name ? g_strdup(name) : NULL;
 296         if (folder->node && folder->node->data) {
 297                 FolderItem *item = (FolderItem *)folder->node->data;
 298
 299                 g_free(item->name);
 300                 item->name = name ? g_strdup(name) : NULL;
 301         }
 302 }
 303
 304 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 305         FolderItem *item = (FolderItem *) node->data;
 306
 307         folder_item_destroy(item);
 308         return FALSE;
 309 }
 310
 311 void folder_tree_destroy(Folder *folder)
 312 {
 313         g_return_if_fail(folder != NULL);
 314         g_return_if_fail(folder->node != NULL);
 315
 316         prefs_scoring_clear();
 317         prefs_filtering_clear();
 318
 319         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 320         if (folder->node)
 321                 g_node_destroy(folder->node);
 322
 323         folder->inbox = NULL;
 324         folder->outbox = NULL;
 325         folder->draft = NULL;
 326         folder->queue = NULL;
 327         folder->trash = NULL;
 328         folder->node = NULL;
 329 }
 330
 331 void folder_add(Folder *folder)
 332 {
 333         Folder *cur_folder;
 334         GList *cur;
 335         gint i;
 336
 337         g_return_if_fail(folder != NULL);
 338
 339         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 340                 cur_folder = FOLDER(cur->data);
 341                 if (folder->type == F_MH) {
 342                         if (cur_folder->type != F_MH) break;
 343                 } else if (folder->type == F_MBOX) {
 344                         if (cur_folder->type != F_MH &&
 345                             cur_folder->type != F_MBOX) break;
 346                 } else if (folder->type == F_IMAP) {
 347                         if (cur_folder->type != F_MH &&
 348                             cur_folder->type != F_MBOX &&
 349                             cur_folder->type != F_IMAP) break;
 350                 } else if (folder->type == F_NEWS) {
 351                         if (cur_folder->type != F_MH &&
 352                             cur_folder->type != F_MBOX &&
 353                             cur_folder->type != F_IMAP &&
 354                             cur_folder->type != F_NEWS) break;
 355                 }
 356         }
 357
 358         folder_list = g_list_insert(folder_list, folder, i);
 359 }
 360
 361 GList *folder_get_list(void)
 362 {
 363         return folder_list;
 364 }
 365
 366 gint folder_read_list(void)
 367 {
 368         GNode *node;
 369         XMLNode *xmlnode;
 370         gchar *path;
 371
 372         path = folder_get_list_path();
 373         if (!is_file_exist(path)) return -1;
 374         node = xml_parse_file(path);
 375         if (!node) return -1;
 376
 377         xmlnode = node->data;
 378         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 379                 g_warning("wrong folder list\n");
 380                 xml_free_tree(node);
 381                 return -1;
 382         }
 383
 384         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 385                         folder_read_folder_func, NULL);
 386
 387         xml_free_tree(node);
 388         if (folder_list)
 389                 return 0;
 390         else
 391                 return -1;
 392 }
 393
 394 void folder_write_list(void)
 395 {
 396         GList *list;
 397         Folder *folder;
 398         gchar *path;
 399         PrefFile *pfile;
 400
 401         path = folder_get_list_path();
 402         if ((pfile = prefs_write_open(path)) == NULL) return;
 403
 404         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 405                 conv_get_current_charset_str());
 406         fputs("\n<folderlist>\n", pfile->fp);
 407
 408         for (list = folder_list; list != NULL; list = list->next) {
 409                 folder = list->data;
 410                 folder_write_list_recursive(folder->node, pfile->fp);
 411         }
 412
 413         fputs("</folderlist>\n", pfile->fp);
 414
 415         if (prefs_write_close(pfile) < 0)
 416                 g_warning("failed to write folder list.\n");
 417 }
 418
 419 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 420 {
 421         GHashTable *pptable = (GHashTable *)data;
 422         FolderItem *item = (FolderItem *)node->data;
 423
 424         folder_item_restore_persist_prefs(item, pptable);
 425
 426         return FALSE;
 427 }
 428
 429 void folder_scan_tree(Folder *folder)
 430 {
 431         GHashTable *pptable;
 432
 433         if (!folder->scan_tree)
 434                 return;
 435
 436         pptable = folder_persist_prefs_new(folder);
 437         folder_tree_destroy(folder);
 438
 439         folder->scan_tree(folder);
 440
 441         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 442         folder_persist_prefs_free(pptable);
 443
 444         prefs_matcher_read_config();
 445 }
 446
 447 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 448 {
 449         FolderItem *new_item;
 450
 451         new_item = parent->folder->create_folder(parent->folder, parent, name);
 452         if (new_item)
 453                 new_item->cache = msgcache_new();
 454
 455         return new_item;
 456 }
 457
 458 struct TotalMsgCount
 459 {
 460         guint new;
 461         guint unread;
 462         guint total;
 463 };
 464
 465 struct FuncToAllFoldersData
 466 {
 467         FolderItemFunc  function;
 468         gpointer        data;
 469 };
 470
 471 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 472 {
 473         FolderItem *item;
 474         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 475
 476         g_return_val_if_fail(node->data != NULL, FALSE);
 477
 478         item = FOLDER_ITEM(node->data);
 479         g_return_val_if_fail(item != NULL, FALSE);
 480
 481         function_data->function(item, function_data->data);
 482
 483         return FALSE;
 484 }
 485
 486 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 487 {
 488         GList *list;
 489         Folder *folder;
 490         struct FuncToAllFoldersData function_data;
 491
 492         function_data.function = function;
 493         function_data.data = data;
 494
 495         for (list = folder_list; list != NULL; list = list->next) {
 496                 folder = FOLDER(list->data);
 497                 if (folder->node)
 498                         g_node_traverse(folder->node, G_PRE_ORDER,
 499                                         G_TRAVERSE_ALL, -1,
 500                                         folder_func_to_all_folders_func,
 501                                         &function_data);
 502         }
 503 }
 504
 505 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 506 {
 507         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 508
 509         count->new += item->new;
 510         count->unread += item->unread;
 511         count->total += item->total;
 512 }
 513
 514 void folder_count_total_msgs(guint *new, guint *unread, guint *total)
 515 {
 516         struct TotalMsgCount count;
 517
 518         count.new = count.unread = count.total = 0;
 519
 520         debug_print("Counting total number of messages...\n");
 521
 522         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 523
 524         *new = count.new;
 525         *unread = count.unread;
 526         *total = count.total;
 527 }
 528
 529 Folder *folder_find_from_path(const gchar *path)
 530 {
 531         GList *list;
 532         Folder *folder;
 533
 534         for (list = folder_list; list != NULL; list = list->next) {
 535                 folder = list->data;
 536                 if ((folder->type == F_MH || folder->type == F_MBOX) &&
 537                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 538                         return folder;
 539         }
 540
 541         return NULL;
 542 }
 543
 544 Folder *folder_find_from_name(const gchar *name, FolderType type)
 545 {
 546         GList *list;
 547         Folder *folder;
 548
 549         for (list = folder_list; list != NULL; list = list->next) {
 550                 folder = list->data;
 551                 if (folder->type == type && strcmp2(name, folder->name) == 0)
 552                         return folder;
 553         }
 554
 555         return NULL;
 556 }
 557
 558 static gboolean folder_item_find_func(GNode *node, gpointer data)
 559 {
 560         FolderItem *item = node->data;
 561         gpointer *d = data;
 562         const gchar *path = d[0];
 563
 564         if (path_cmp(path, item->path) != 0)
 565                 return FALSE;
 566
 567         d[1] = item;
 568
 569         return TRUE;
 570 }
 571
 572 FolderItem *folder_find_item_from_path(const gchar *path)
 573 {
 574         Folder *folder;
 575         gpointer d[2];
 576
 577         folder = folder_get_default_folder();
 578         g_return_val_if_fail(folder != NULL, NULL);
 579
 580         d[0] = (gpointer)path;
 581         d[1] = NULL;
 582         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 583                         folder_item_find_func, d);
 584         return d[1];
 585 }
 586
 587 static const struct {
 588         gchar *str;
 589         FolderType type;
 590 } type_str_table[] = {
 591         {"#mh"     , F_MH},
 592         {"#mbox"   , F_MBOX},
 593         {"#maildir", F_MAILDIR},
 594         {"#imap"   , F_IMAP},
 595         {"#news"   , F_NEWS}
 596 };
 597
 598 static gchar *folder_get_type_string(FolderType type)
 599 {
 600         gint i;
 601
 602         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 603              i++) {
 604                 if (type_str_table[i].type == type)
 605                         return type_str_table[i].str;
 606         }
 607
 608         return NULL;
 609 }
 610
 611 static FolderType folder_get_type_from_string(const gchar *str)
 612 {
 613         gint i;
 614
 615         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 616              i++) {
 617                 if (g_strcasecmp(type_str_table[i].str, str) == 0)
 618                         return type_str_table[i].type;
 619         }
 620
 621         return F_UNKNOWN;
 622 }
 623
 624 gchar *folder_get_identifier(Folder *folder)
 625 {
 626         gchar *type_str;
 627
 628         g_return_val_if_fail(folder != NULL, NULL);
 629
 630         type_str = folder_get_type_string(folder->type);
 631         return g_strconcat(type_str, "/", folder->name, NULL);
 632 }
 633
 634 gchar *folder_item_get_identifier(FolderItem *item)
 635 {
 636         gchar *id;
 637         gchar *folder_id;
 638
 639         g_return_val_if_fail(item != NULL, NULL);
 640         g_return_val_if_fail(item->path != NULL, NULL);
 641
 642         folder_id = folder_get_identifier(item->folder);
 643         id = g_strconcat(folder_id, "/", item->path, NULL);
 644         g_free(folder_id);
 645
 646         return id;
 647 }
 648
 649 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 650 {
 651         Folder *folder;
 652         gpointer d[2];
 653         gchar *str;
 654         gchar *p;
 655         gchar *name;
 656         gchar *path;
 657         FolderType type;
 658
 659         g_return_val_if_fail(identifier != NULL, NULL);
 660
 661         if (*identifier != '#')
 662                 return folder_find_item_from_path(identifier);
 663
 664         Xstrdup_a(str, identifier, return NULL);
 665
 666         p = strchr(str, '/');
 667         if (!p)
 668                 return folder_find_item_from_path(identifier);
 669         *p = '\0';
 670         p++;
 671         type = folder_get_type_from_string(str);
 672         if (type == F_UNKNOWN)
 673                 return folder_find_item_from_path(identifier);
 674
 675         name = p;
 676         p = strchr(p, '/');
 677         if (!p)
 678                 return folder_find_item_from_path(identifier);
 679         *p = '\0';
 680         p++;
 681
 682         folder = folder_find_from_name(name, type);
 683         if (!folder)
 684                 return folder_find_item_from_path(identifier);
 685
 686         path = p;
 687
 688         d[0] = (gpointer)path;
 689         d[1] = NULL;
 690         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 691                         folder_item_find_func, d);
 692         return d[1];
 693 }
 694
 695 Folder *folder_get_default_folder(void)
 696 {
 697         return folder_list ? FOLDER(folder_list->data) : NULL;
 698 }
 699
 700 FolderItem *folder_get_default_inbox(void)
 701 {
 702         Folder *folder;
 703
 704         if (!folder_list) return NULL;
 705         folder = FOLDER(folder_list->data);
 706         g_return_val_if_fail(folder != NULL, NULL);
 707         return folder->inbox;
 708 }
 709
 710 FolderItem *folder_get_default_outbox(void)
 711 {
 712         Folder *folder;
 713
 714         if (!folder_list) return NULL;
 715         folder = FOLDER(folder_list->data);
 716         g_return_val_if_fail(folder != NULL, NULL);
 717         return folder->outbox;
 718 }
 719
 720 FolderItem *folder_get_default_draft(void)
 721 {
 722         Folder *folder;
 723
 724         if (!folder_list) return NULL;
 725         folder = FOLDER(folder_list->data);
 726         g_return_val_if_fail(folder != NULL, NULL);
 727         return folder->draft;
 728 }
 729
 730 FolderItem *folder_get_default_queue(void)
 731 {
 732         Folder *folder;
 733
 734         if (!folder_list) return NULL;
 735         folder = FOLDER(folder_list->data);
 736         g_return_val_if_fail(folder != NULL, NULL);
 737         return folder->queue;
 738 }
 739
 740 FolderItem *folder_get_default_trash(void)
 741 {
 742         Folder *folder;
 743
 744         if (!folder_list) return NULL;
 745         folder = FOLDER(folder_list->data);
 746         g_return_val_if_fail(folder != NULL, NULL);
 747         return folder->trash;
 748 }
 749
 750 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 751 {                                                               \
 752         if (!folder->member) {                                  \
 753                 item = folder_item_new(folder, dir, dir);       \
 754                 item->stype = type;                             \
 755                 folder_item_append(rootitem, item);             \
 756                 folder->member = item;                          \
 757         }                                                       \
 758 }
 759
 760 void folder_set_missing_folders(void)
 761 {
 762         Folder *folder;
 763         FolderItem *rootitem;
 764         FolderItem *item;
 765         GList *list;
 766
 767         for (list = folder_list; list != NULL; list = list->next) {
 768                 folder = list->data;
 769                 if (folder->type != F_MH) continue;
 770                 rootitem = FOLDER_ITEM(folder->node->data);
 771                 g_return_if_fail(rootitem != NULL);
 772
 773                 if (folder->inbox && folder->outbox && folder->draft &&
 774                     folder->queue && folder->trash)
 775                         continue;
 776
 777                 if (folder->create_tree(folder) < 0) {
 778                         g_warning("%s: can't create the folder tree.\n",
 779                                   LOCAL_FOLDER(folder)->rootpath);
 780                         continue;
 781                 }
 782
 783                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 784                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 785                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 786                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 787                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 788         }
 789 }
 790
 791 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 792 {
 793         FolderItem *item = node->data;
 794         PrefsAccount *account = data;
 795
 796         if (item->account == account)
 797                 item->account = NULL;
 798
 799         return FALSE;
 800 }
 801
 802 void folder_unref_account_all(PrefsAccount *account)
 803 {
 804         Folder *folder;
 805         GList *list;
 806
 807         if (!account) return;
 808
 809         for (list = folder_list; list != NULL; list = list->next) {
 810                 folder = list->data;
 811                 if (folder->account == account)
 812                         folder->account = NULL;
 813                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 814                                 folder_unref_account_func, account);
 815         }
 816 }
 817
 818 #undef CREATE_FOLDER_IF_NOT_EXIST
 819
 820 gchar *folder_get_path(Folder *folder)
 821 {
 822         gchar *path;
 823
 824         g_return_val_if_fail(folder != NULL, NULL);
 825
 826         switch(FOLDER_TYPE(folder)) {
 827
 828                 case F_MH:
 829                         path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 830                         break;
 831
 832                 case F_IMAP:
 833                         g_return_val_if_fail(folder->account != NULL, NULL);
 834                         path = g_strconcat(get_imap_cache_dir(),
 835                                            G_DIR_SEPARATOR_S,
 836                                            folder->account->recv_server,
 837                                            G_DIR_SEPARATOR_S,
 838                                            folder->account->userid,
 839                                            NULL);
 840                         break;
 841
 842                 case F_NEWS:
 843                         g_return_val_if_fail(folder->account != NULL, NULL);
 844                         path = g_strconcat(get_news_cache_dir(),
 845                                            G_DIR_SEPARATOR_S,
 846                                            folder->account->nntp_server,
 847                                            NULL);
 848                         break;
 849
 850                 default:
 851                         path = NULL;
 852                         break;
 853         }
 854
 855         return path;
 856 }
 857
 858 gchar *folder_item_get_path(FolderItem *item)
 859 {
 860         gchar *folder_path;
 861         gchar *path;
 862
 863         g_return_val_if_fail(item != NULL, NULL);
 864
 865         if(FOLDER_TYPE(item->folder) != F_MBOX) {
 866                 folder_path = folder_get_path(item->folder);
 867                 g_return_val_if_fail(folder_path != NULL, NULL);
 868
 869                 if (folder_path[0] == G_DIR_SEPARATOR) {
 870                         if (item->path)
 871                                 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 872                                                    item->path, NULL);
 873                         else
 874                                 path = g_strdup(folder_path);
 875                 } else {
 876                         if (item->path)
 877                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 878                                                    folder_path, G_DIR_SEPARATOR_S,
 879                                                    item->path, NULL);
 880                         else
 881                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 882                                                    folder_path, NULL);
 883                 }
 884
 885                 g_free(folder_path);
 886         } else {
 887                 gchar *itempath;
 888
 889                 itempath = mbox_get_virtual_path(item);
 890                 if (itempath == NULL)
 891                         return NULL;
 892                 path = g_strconcat(get_mbox_cache_dir(),
 893                                           G_DIR_SEPARATOR_S, itempath, NULL);
 894                 g_free(itempath);
 895         }
 896         return path;
 897 }
 898
 899 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 900 {
 901         if (!(dest->stype == F_OUTBOX ||
 902               dest->stype == F_QUEUE  ||
 903               dest->stype == F_DRAFT  ||
 904               dest->stype == F_TRASH)) {
 905                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 906         } else {
 907                 flags->perm_flags = 0;
 908         }
 909         flags->tmp_flags = MSG_CACHED;
 910         if (dest->folder->type == F_MH) {
 911                 if (dest->stype == F_QUEUE) {
 912                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 913                 } else if (dest->stype == F_DRAFT) {
 914                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 915                 }
 916         } else if (dest->folder->type == F_IMAP) {
 917                 MSG_SET_TMP_FLAGS(*flags, MSG_IMAP);
 918         } else if (dest->folder->type == F_NEWS) {
 919                 MSG_SET_TMP_FLAGS(*flags, MSG_NEWS);
 920         }
 921 }
 922
 923 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 924 {
 925         MsgInfo *msginfo_a = (MsgInfo *) a;
 926         MsgInfo *msginfo_b = (MsgInfo *) b;
 927
 928         return (msginfo_a->msgnum - msginfo_b->msgnum);
 929 }
 930
 931 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 932 {
 933         guint gint_a = GPOINTER_TO_INT(a);
 934         guint gint_b = GPOINTER_TO_INT(b);
 935
 936         return (gint_a - gint_b);
 937 }
 938
 939 gint folder_item_scan(FolderItem *item)
 940 {
 941         Folder *folder;
 942         GSList *folder_list = NULL, *cache_list = NULL, *folder_list_cur, *cache_list_cur, *new_list = NULL;
 943         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
 944         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
 945
 946         g_return_val_if_fail(item != NULL, -1);
 947         if (item->path == NULL) return -1;
 948
 949         folder = item->folder;
 950
 951         g_return_val_if_fail(folder != NULL, -1);
 952         g_return_val_if_fail(folder->get_num_list != NULL, -1);
 953
 954         debug_print("Scanning folder %s for cache changes.\n", item->path);
 955
 956         /* Get list of messages for folder and cache */
 957         if (folder->get_num_list(item->folder, item, &folder_list) < 0) {
 958                 debug_print("Error fetching list of message numbers\n");
 959                 return(-1);
 960         }
 961
 962         if (!folder->check_msgnum_validity ||
 963             folder->check_msgnum_validity(folder, item)) {
 964                 if (!item->cache)
 965                         folder_item_read_cache(item);
 966                 cache_list = msgcache_get_msg_list(item->cache);
 967         } else {
 968                 if (item->cache)
 969                         msgcache_destroy(item->cache);
 970                 item->cache = msgcache_new();
 971                 cache_list = NULL;
 972         }
 973
 974         /* Sort both lists */
 975         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
 976         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
 977
 978         cache_list_cur = cache_list;
 979         folder_list_cur = folder_list;
 980
 981         if (cache_list_cur != NULL) {
 982                 GSList *cache_list_last;
 983
 984                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
 985                 cache_list_last = g_slist_last(cache_list);
 986                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
 987         } else {
 988                 cache_cur_num = G_MAXINT;
 989                 cache_max_num = 0;
 990         }
 991
 992         if (folder_list_cur != NULL) {
 993                 GSList *folder_list_last;
 994
 995                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
 996                 folder_list_last = g_slist_last(folder_list);
 997                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
 998         } else {
 999                 folder_cur_num = G_MAXINT;
1000                 folder_max_num = 0;
1001         }
1002
1003         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1004                 /*
1005                  *  Message only exists in the folder
1006                  *  Remember message for fetching
1007                  */
1008                 if (folder_cur_num < cache_cur_num) {
1009                         gboolean add = FALSE;
1010
1011                         switch(folder->type) {
1012                                 case F_NEWS:
1013                                         if (folder_cur_num < cache_max_num)
1014                                                 break;
1015
1016                                         if (prefs_common.max_articles == 0) {
1017                                                 add = TRUE;
1018                                         }
1019
1020                                         if (folder_max_num <= prefs_common.max_articles) {
1021                                                 add = TRUE;
1022                                         } else if (folder_cur_num > (folder_max_num - prefs_common.max_articles)) {
1023                                                 add = TRUE;
1024                                         }
1025                                         break;
1026                                 default:
1027                                         add = TRUE;
1028                                         break;
1029                         }
1030
1031                         if (add) {
1032                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1033                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1034                         }
1035
1036                         /* Move to next folder number */
1037                         folder_list_cur = folder_list_cur->next;
1038
1039                         if (folder_list_cur != NULL)
1040                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1041                         else
1042                                 folder_cur_num = G_MAXINT;
1043
1044                         continue;
1045                 }
1046
1047                 /*
1048                  *  Message only exists in the cache
1049                  *  Remove the message from the cache
1050                  */
1051                 if (cache_cur_num < folder_cur_num) {
1052                         msgcache_remove_msg(item->cache, cache_cur_num);
1053                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1054
1055                         /* Move to next cache number */
1056                         cache_list_cur = cache_list_cur->next;
1057
1058                         if (cache_list_cur != NULL)
1059                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1060                         else
1061                                 cache_cur_num = G_MAXINT;
1062
1063                         continue;
1064                 }
1065
1066                 /*
1067                  *  Message number exists in folder and cache!
1068                  *  Check if the message has been modified
1069                  */
1070                 if (cache_cur_num == folder_cur_num) {
1071                         MsgInfo *msginfo;
1072
1073                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1074                         if (folder->is_msg_changed && folder->is_msg_changed(folder, item, msginfo)) {
1075                                 MsgInfo *newmsginfo;
1076
1077                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1078
1079                                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, item, folder_cur_num))) {
1080                                         msgcache_add_msg(item->cache, newmsginfo);
1081                                         if (MSG_IS_NEW(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1082                                                 newcnt++;
1083                                         if (MSG_IS_UNREAD(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1084                                                 unreadcnt++;
1085                                         procmsg_msginfo_free(newmsginfo);
1086                                 }
1087
1088                                 debug_print("Updated msginfo for message %d.\n", folder_cur_num);
1089                         } else {
1090                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1091                                         newcnt++;
1092                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1093                                         unreadcnt++;
1094                         }
1095                         totalcnt++;
1096                         procmsg_msginfo_free(msginfo);
1097
1098                         /* Move to next folder and cache number */
1099                         cache_list_cur = cache_list_cur->next;
1100                         folder_list_cur = folder_list_cur->next;
1101
1102                         if (cache_list_cur != NULL)
1103                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1104                         else
1105                                 cache_cur_num = G_MAXINT;
1106
1107                         if (folder_list_cur != NULL)
1108                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1109                         else
1110                                 folder_cur_num = G_MAXINT;
1111
1112                         continue;
1113                 }
1114         }
1115
1116         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur)) {
1117                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1118         }
1119
1120         g_slist_free(cache_list);
1121         g_slist_free(folder_list);
1122
1123         if (folder->fetch_msginfos) {
1124                 GSList *elem;
1125                 GSList *newmsg_list;
1126                 MsgInfo *msginfo;
1127
1128                 if (new_list) {
1129                         newmsg_list = folder->fetch_msginfos(folder, item, new_list);
1130                         for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1131                                 msginfo = (MsgInfo *) elem->data;
1132                                 msgcache_add_msg(item->cache, msginfo);
1133                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1134                                         newcnt++;
1135                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1136                                         unreadcnt++;
1137                                 totalcnt++;
1138                                 procmsg_msginfo_free(msginfo);
1139                         }
1140                         g_slist_free(newmsg_list);
1141                 }
1142         } else if (folder->fetch_msginfo) {
1143                 GSList *elem;
1144
1145                 for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1146                         MsgInfo *msginfo;
1147                         guint num;
1148
1149                         num = GPOINTER_TO_INT(elem->data);
1150                         msginfo = folder->fetch_msginfo(folder, item, num);
1151                         if (msginfo != NULL) {
1152                                 msgcache_add_msg(item->cache, msginfo);
1153                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1154                                     newcnt++;
1155                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1156                                     unreadcnt++;
1157                                 totalcnt++;
1158                                 procmsg_msginfo_free(msginfo);
1159                                 debug_print("Added newly found message %d to cache.\n", num);
1160                         }
1161                 }
1162         }
1163
1164         item->new = newcnt;
1165         item->unread = unreadcnt;
1166         item->total = totalcnt;
1167
1168         g_slist_free(new_list);
1169
1170         folderview_update_item(item, FALSE);
1171
1172         return 0;
1173 }
1174
1175 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1176                                           gpointer data)
1177 {
1178         folder_item_scan(FOLDER_ITEM(key));
1179 }
1180
1181 void folder_item_scan_foreach(GHashTable *table)
1182 {
1183         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1184 }
1185
1186 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1187 {
1188         gint *memusage = (gint *)data;
1189
1190         if (item->cache == NULL)
1191                 return;
1192
1193         *memusage += msgcache_get_memory_usage(item->cache);
1194 }
1195
1196 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1197 {
1198         FolderItem *fa = (FolderItem *)a;
1199         FolderItem *fb = (FolderItem *)b;
1200
1201         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1202 }
1203
1204 void folder_find_expired_caches(FolderItem *item, gpointer data)
1205 {
1206         GSList **folder_item_list = (GSList **)data;
1207         gint difftime, expiretime;
1208
1209         if (item->cache == NULL)
1210                 return;
1211
1212         if (item->opened > 0)
1213                 return;
1214
1215         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1216         expiretime = prefs_common.cache_min_keep_time * 60;
1217         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1218         if (difftime > expiretime) {
1219                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1220         }
1221 }
1222
1223 void folder_item_free_cache(FolderItem *item)
1224 {
1225         g_return_if_fail(item != NULL);
1226
1227         if (item->cache == NULL)
1228                 return;
1229
1230         if (item->opened > 0)
1231                 return;
1232
1233         folder_item_write_cache(item);
1234         msgcache_destroy(item->cache);
1235         item->cache = NULL;
1236 }
1237
1238 void folder_clean_cache_memory()
1239 {
1240         gint memusage = 0;
1241
1242         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1243         debug_print("Total cache memory usage: %d\n", memusage);
1244
1245         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1246                 GSList *folder_item_list = NULL, *listitem;
1247
1248                 debug_print("Trying to free cache memory\n");
1249
1250                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1251                 listitem = folder_item_list;
1252                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1253                         FolderItem *item = (FolderItem *)(listitem->data);
1254
1255                         debug_print("Freeing cache memory for %s\n", item->path);
1256                         memusage -= msgcache_get_memory_usage(item->cache);
1257                         folder_item_free_cache(item);
1258                         listitem = listitem->next;
1259                 }
1260                 g_slist_free(folder_item_list);
1261         }
1262 }
1263
1264 void folder_item_read_cache(FolderItem *item)
1265 {
1266         gchar *cache_file, *mark_file;
1267
1268         g_return_if_fail(item != NULL);
1269
1270         cache_file = folder_item_get_cache_file(item);
1271         mark_file = folder_item_get_mark_file(item);
1272         item->cache = msgcache_read_cache(item, cache_file);
1273         if (!item->cache) {
1274                 item->cache = msgcache_new();
1275                 folder_item_scan(item);
1276         }
1277         msgcache_read_mark(item->cache, mark_file);
1278         g_free(cache_file);
1279         g_free(mark_file);
1280
1281         folder_clean_cache_memory();
1282 }
1283
1284 void folder_item_write_cache(FolderItem *item)
1285 {
1286         gchar *cache_file, *mark_file;
1287         PrefsFolderItem *prefs;
1288         gint filemode = 0;
1289         gchar *id;
1290
1291         if (!item || !item->path || !item->cache)
1292                 return;
1293
1294         id = folder_item_get_identifier(item);
1295         debug_print("Save cache for folder %s\n", id);
1296         g_free(id);
1297
1298         cache_file = folder_item_get_cache_file(item);
1299         mark_file = folder_item_get_mark_file(item);
1300         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1301                 prefs = item->prefs;
1302                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1303                         /* for cache file */
1304                         filemode = prefs->folder_chmod;
1305                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1306                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1307                         chmod(cache_file, filemode);
1308                 }
1309         }
1310
1311         g_free(cache_file);
1312         g_free(mark_file);
1313 }
1314
1315 MsgInfo *folder_item_fetch_msginfo(FolderItem *item, gint num)
1316 {
1317         Folder *folder;
1318         MsgInfo *msginfo;
1319
1320         g_return_val_if_fail(item != NULL, NULL);
1321
1322         folder = item->folder;
1323         if (!item->cache)
1324                 folder_item_read_cache(item);
1325
1326         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1327                 return msginfo;
1328
1329         g_return_val_if_fail(folder->fetch_msginfo, NULL);
1330         if ((msginfo = folder->fetch_msginfo(folder, item, num)) != NULL) {
1331                 msgcache_add_msg(item->cache, msginfo);
1332                 return msginfo;
1333         }
1334
1335         return NULL;
1336 }
1337
1338 MsgInfo *folder_item_fetch_msginfo_by_id(FolderItem *item, const gchar *msgid)
1339 {
1340         Folder *folder;
1341         MsgInfo *msginfo;
1342
1343         g_return_val_if_fail(item != NULL, NULL);
1344
1345         folder = item->folder;
1346         if (!item->cache)
1347                 folder_item_read_cache(item);
1348
1349         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1350                 return msginfo;
1351
1352         return NULL;
1353 }
1354
1355 GSList *folder_item_get_msg_list(FolderItem *item)
1356 {
1357         g_return_val_if_fail(item != NULL, NULL);
1358
1359         if (item->cache == 0)
1360                 folder_item_read_cache(item);
1361
1362         g_return_val_if_fail(item->cache != NULL, NULL);
1363
1364         return msgcache_get_msg_list(item->cache);
1365 }
1366
1367 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1368 {
1369         Folder *folder;
1370
1371         g_return_val_if_fail(item != NULL, NULL);
1372
1373         folder = item->folder;
1374
1375         g_return_val_if_fail(folder->fetch_msg != NULL, NULL);
1376
1377         return folder->fetch_msg(folder, item, num);
1378 }
1379
1380 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1381                          gboolean remove_source)
1382 {
1383         Folder *folder;
1384         gint num;
1385         MsgInfo *msginfo;
1386
1387         g_return_val_if_fail(dest != NULL, -1);
1388         g_return_val_if_fail(file != NULL, -1);
1389
1390         folder = dest->folder;
1391
1392         g_return_val_if_fail(folder->add_msg != NULL, -1);
1393
1394         if (!dest->cache)
1395                 folder_item_read_cache(dest);
1396
1397         num = folder->add_msg(folder, dest, file, remove_source);
1398
1399         if (num > 0) {
1400                 msginfo = folder->fetch_msginfo(folder, dest, num);
1401
1402                 if (msginfo != NULL) {
1403                         if (MSG_IS_NEW(msginfo->flags))
1404                                 dest->new++;
1405                         if (MSG_IS_UNREAD(msginfo->flags))
1406                                 dest->unread++;
1407                         dest->total++;
1408                         dest->need_update = TRUE;
1409
1410                         msgcache_add_msg(dest->cache, msginfo);
1411
1412                         procmsg_msginfo_free(msginfo);
1413                 }
1414
1415                 dest->last_num = num;
1416         }
1417
1418         return num;
1419 }
1420
1421 /*
1422 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1423 {
1424         Folder *folder;
1425         gint num;
1426
1427         g_return_val_if_fail(dest != NULL, -1);
1428         g_return_val_if_fail(msginfo != NULL, -1);
1429
1430         folder = dest->folder;
1431         if (dest->last_num < 0) folder->scan(folder, dest);
1432
1433         num = folder->move_msg(folder, dest, msginfo);
1434         if (num > 0) dest->last_num = num;
1435
1436         return num;
1437 }
1438 */
1439
1440 gint folder_item_move_recursive (FolderItem *src, FolderItem *dest)
1441 {
1442         GSList *mlist;
1443         GSList *cur;
1444         FolderItem *new_item;
1445         FolderItem *next_item;
1446         GNode *srcnode;
1447
1448         mlist = folder_item_get_msg_list(src);
1449
1450         /* move messages */
1451         debug_print("Moving %s to %s\n", src->path, dest->path);
1452         new_item = folder_create_folder(dest, g_basename(src->path));
1453
1454         if (new_item == NULL) {
1455                 printf("Can't create folder\n");
1456                 return -1;
1457         }
1458
1459         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1460                 MsgInfo * msginfo;
1461                 msginfo = (MsgInfo *) cur->data;
1462                 folder_item_move_msg(new_item, msginfo);
1463         }
1464         srcnode = src->folder->node;
1465         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1466         srcnode = srcnode->children;
1467         while (srcnode != NULL) {
1468                 if (srcnode && srcnode->data) {
1469                         next_item = (FolderItem*) srcnode->data;
1470                         if (folder_item_move_recursive(next_item, new_item) != 0)
1471                                 return -1;
1472                 }
1473                 srcnode = srcnode->next;
1474         }
1475         return 0;
1476 }
1477
1478 FolderItem *folder_item_move_to(FolderItem *src, FolderItem *dest)
1479 {
1480         FolderItem *tmp = dest->parent;
1481         char * srcpath, * dstpath;
1482         char * phys_srcpath, * phys_dstpath;
1483
1484         while (tmp) {
1485                 if (tmp == src) {
1486                         alertpanel_error(_("Can't move a folder to one of its children."));
1487                         return NULL;
1488                 }
1489                 tmp = tmp->parent;
1490         }
1491
1492         tmp = src->parent;
1493
1494         srcpath = folder_item_get_identifier(src);
1495         dstpath = folder_item_get_identifier(dest);
1496
1497         if(dstpath == NULL && dest->folder && dest->parent == NULL) {
1498                 /* dest can be a root folder */
1499                 dstpath = folder_get_identifier(dest->folder);
1500         }
1501         if (srcpath == NULL || dstpath == NULL) {
1502                 printf("Can't get identifiers\n");
1503                 return NULL;
1504         }
1505
1506         phys_srcpath = folder_item_get_path(src);
1507         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(srcpath),NULL);
1508
1509         if (src->parent == dest) {
1510                 alertpanel_error(_("Source and destination are the same."));
1511                 g_free(srcpath);
1512                 g_free(dstpath);
1513                 g_free(phys_srcpath);
1514                 g_free(phys_dstpath);
1515                 return NULL;
1516         }
1517         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1518         if (folder_item_move_recursive(src, dest) != 0) {
1519                 alertpanel_error(_("Move failed !"));
1520                 return NULL;
1521         }
1522
1523         /* update rules */
1524         debug_print("updating rules ....\n");
1525         prefs_filtering_rename_path(srcpath, g_strconcat(dstpath,
1526                                                 G_DIR_SEPARATOR_S,
1527                                                 g_basename(srcpath),
1528                                                 NULL));
1529
1530         src->folder->remove_folder(src->folder, src);
1531         /* not to much worry if remove fails, move has been done */
1532
1533         folder_write_list();
1534
1535         /* rescan parents */
1536         debug_print("rescanning foldertree ....\n");
1537         folderview_rescan_tree(dest->folder);
1538
1539         g_free(srcpath);
1540         g_free(dstpath);
1541         g_free(phys_srcpath);
1542         g_free(phys_dstpath);
1543         return folder_find_item_from_identifier(g_strconcat(dstpath,
1544                                                         G_DIR_SEPARATOR_S,
1545                                                         g_basename(srcpath),
1546                                                         NULL));
1547 }
1548
1549 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1550 {
1551         Folder *folder;
1552         gint num;
1553         Folder *src_folder;
1554
1555         g_return_val_if_fail(dest != NULL, -1);
1556         g_return_val_if_fail(msginfo != NULL, -1);
1557
1558         folder = dest->folder;
1559
1560         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1561         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1562
1563         if (!dest->cache) folder_item_read_cache(dest);
1564
1565         src_folder = msginfo->folder->folder;
1566
1567         num = folder->copy_msg(folder, dest, msginfo);
1568
1569         if (num != -1) {
1570                 MsgInfo *newmsginfo;
1571
1572                 /* Add new msginfo to dest folder */
1573                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, dest, num))) {
1574                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1575
1576                         if (dest->stype == F_OUTBOX || dest->stype == F_QUEUE  ||
1577                             dest->stype == F_DRAFT  || dest->stype == F_TRASH)
1578                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1579                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1580                         msgcache_add_msg(dest->cache, newmsginfo);
1581
1582                         if (MSG_IS_NEW(newmsginfo->flags))
1583                                 dest->new++;
1584                         if (MSG_IS_UNREAD(newmsginfo->flags))
1585                                 dest->unread++;
1586                         dest->total++;
1587                         dest->need_update = TRUE;
1588
1589                         procmsg_msginfo_free(newmsginfo);
1590                 }
1591
1592                 /* remove source message from it's folder */
1593                 if (src_folder->remove_msg) {
1594                         src_folder->remove_msg(src_folder, msginfo->folder,
1595                                                msginfo->msgnum);
1596                         msgcache_remove_msg(msginfo->folder->cache, msginfo->msgnum);
1597
1598                         if (MSG_IS_NEW(msginfo->flags))
1599                                 msginfo->folder->new--;
1600                         if (MSG_IS_UNREAD(msginfo->flags))
1601                                 msginfo->folder->unread--;
1602                         msginfo->folder->total--;
1603                         msginfo->folder->need_update = TRUE;
1604                 }
1605         }
1606
1607         if (folder->finished_copy)
1608                 folder->finished_copy(folder, dest);
1609
1610         return num;
1611 }
1612
1613 /*
1614 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1615 {
1616         Folder *folder;
1617         gint num;
1618
1619         g_return_val_if_fail(dest != NULL, -1);
1620         g_return_val_if_fail(msglist != NULL, -1);
1621
1622         folder = dest->folder;
1623         if (dest->last_num < 0) folder->scan(folder, dest);
1624
1625         num = folder->move_msgs_with_dest(folder, dest, msglist);
1626         if (num > 0) dest->last_num = num;
1627         else dest->op_count = 0;
1628
1629         return num;
1630 }
1631 */
1632
1633 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1634 {
1635         Folder *folder;
1636         FolderItem *item;
1637         GSList *newmsgnums = NULL;
1638         GSList *l, *l2;
1639         gint num;
1640
1641         g_return_val_if_fail(dest != NULL, -1);
1642         g_return_val_if_fail(msglist != NULL, -1);
1643
1644         folder = dest->folder;
1645
1646         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1647         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1648
1649         /*
1650          * Copy messages to destination folder and
1651          * store new message numbers in newmsgnums
1652          */
1653         item = NULL;
1654         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1655                 MsgInfo * msginfo = (MsgInfo *) l->data;
1656
1657                 if (!item && msginfo->folder != NULL)
1658                         item = msginfo->folder;
1659
1660                 num = folder->copy_msg(folder, dest, msginfo);
1661                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1662         }
1663
1664         /* Read cache for dest folder */
1665         if (!dest->cache) folder_item_read_cache(dest);
1666
1667         /*
1668          * Fetch new MsgInfos for new messages in dest folder,
1669          * add them to the msgcache and update folder message counts
1670          */
1671         l2 = newmsgnums;
1672         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1673                 MsgInfo *msginfo = (MsgInfo *) l->data;
1674
1675                 num = GPOINTER_TO_INT(l2->data);
1676
1677                 if (num != -1) {
1678                         MsgInfo *newmsginfo;
1679
1680                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1681                         if (newmsginfo) {
1682                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1683                                 if (dest->stype == F_OUTBOX ||
1684                                     dest->stype == F_QUEUE  ||
1685                                     dest->stype == F_DRAFT  ||
1686                                     dest->stype == F_TRASH)
1687                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1688                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1689                                 msgcache_add_msg(dest->cache, newmsginfo);
1690
1691                                 if (MSG_IS_NEW(newmsginfo->flags))
1692                                         dest->new++;
1693                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1694                                         dest->unread++;
1695                                 dest->total++;
1696                                 dest->need_update = TRUE;
1697
1698                                 procmsg_msginfo_free(newmsginfo);
1699                         }
1700                 }
1701                 l2 = g_slist_next(l2);
1702         }
1703
1704         /*
1705          * Remove source messages from their folders if
1706          * copying was successfull and update folder
1707          * message counts
1708          */
1709         l2 = newmsgnums;
1710         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1711                 MsgInfo *msginfo = (MsgInfo *) l->data;
1712
1713                 num = GPOINTER_TO_INT(l2->data);
1714
1715                 if (num != -1) {
1716                         item->folder->remove_msg(item->folder,
1717                                                  msginfo->folder,
1718                                                  msginfo->msgnum);
1719                         if (!item->cache)
1720                                 folder_item_read_cache(item);
1721                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1722
1723                         if (MSG_IS_NEW(msginfo->flags))
1724                                 msginfo->folder->new--;
1725                         if (MSG_IS_UNREAD(msginfo->flags))
1726                                 msginfo->folder->unread--;
1727                         msginfo->folder->total--;
1728                         msginfo->folder->need_update = TRUE;
1729                 }
1730
1731                 l2 = g_slist_next(l2);
1732         }
1733
1734
1735         if (folder->finished_copy)
1736                 folder->finished_copy(folder, dest);
1737
1738         g_slist_free(newmsgnums);
1739         return dest->last_num;
1740 }
1741
1742 /*
1743 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1744 {
1745         Folder *folder;
1746         gint num;
1747
1748         g_return_val_if_fail(dest != NULL, -1);
1749         g_return_val_if_fail(msginfo != NULL, -1);
1750
1751         folder = dest->folder;
1752         if (dest->last_num < 0) folder->scan(folder, dest);
1753
1754         num = folder->copy_msg(folder, dest, msginfo);
1755         if (num > 0) dest->last_num = num;
1756
1757         return num;
1758 }
1759 */
1760
1761 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1762 {
1763         Folder *folder;
1764         gint num;
1765
1766         g_return_val_if_fail(dest != NULL, -1);
1767         g_return_val_if_fail(msginfo != NULL, -1);
1768
1769         folder = dest->folder;
1770
1771         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1772
1773         if (!dest->cache) folder_item_read_cache(dest);
1774
1775         num = folder->copy_msg(folder, dest, msginfo);
1776         if (num != -1) {
1777                 MsgInfo *newmsginfo;
1778
1779                 if (NULL != (newmsginfo = folder->fetch_msginfo(folder, dest, num))) {
1780                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1781                         if (dest->stype == F_OUTBOX ||
1782                             dest->stype == F_QUEUE  ||
1783                             dest->stype == F_DRAFT  ||
1784                             dest->stype == F_TRASH)
1785                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1786                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1787                         msgcache_add_msg(dest->cache, newmsginfo);
1788
1789                         if (MSG_IS_NEW(newmsginfo->flags))
1790                                 dest->new++;
1791                         if (MSG_IS_UNREAD(newmsginfo->flags))
1792                                 dest->unread++;
1793                         dest->total++;
1794                         dest->need_update = TRUE;
1795
1796                         procmsg_msginfo_free(newmsginfo);
1797                 }
1798         }
1799
1800         if (folder->finished_copy)
1801                 folder->finished_copy(folder, dest);
1802
1803         return num;
1804 }
1805
1806 /*
1807 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1808 {
1809         Folder *folder;
1810         gint num;
1811
1812         g_return_val_if_fail(dest != NULL, -1);
1813         g_return_val_if_fail(msglist != NULL, -1);
1814
1815         folder = dest->folder;
1816         if (dest->last_num < 0) folder->scan(folder, dest);
1817
1818         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1819         if (num > 0) dest->last_num = num;
1820         else dest->op_count = 0;
1821
1822         return num;
1823 }
1824 */
1825
1826 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1827 {
1828         Folder *folder;
1829         gint num;
1830         GSList *newmsgnums = NULL;
1831         GSList *l, *l2;
1832
1833         g_return_val_if_fail(dest != NULL, -1);
1834         g_return_val_if_fail(msglist != NULL, -1);
1835
1836         folder = dest->folder;
1837
1838         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1839
1840         /*
1841          * Copy messages to destination folder and
1842          * store new message numbers in newmsgnums
1843          */
1844         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1845                 MsgInfo * msginfo = (MsgInfo *) l->data;
1846
1847                 num = folder->copy_msg(folder, dest, msginfo);
1848                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1849         }
1850
1851         /* Read cache for dest folder */
1852         if (!dest->cache) folder_item_read_cache(dest);
1853
1854         /*
1855          * Fetch new MsgInfos for new messages in dest folder,
1856          * add them to the msgcache and update folder message counts
1857          */
1858         l2 = newmsgnums;
1859         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1860                 MsgInfo *msginfo = (MsgInfo *) l->data;
1861
1862                 num = GPOINTER_TO_INT(l2->data);
1863
1864                 if (num != -1) {
1865                         MsgInfo *newmsginfo;
1866
1867                         newmsginfo = folder->fetch_msginfo(folder, dest, num);
1868                         if (newmsginfo) {
1869                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1870                                 if (dest->stype == F_OUTBOX ||
1871                                     dest->stype == F_QUEUE  ||
1872                                     dest->stype == F_DRAFT  ||
1873                                     dest->stype == F_TRASH)
1874                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1875                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1876                                 msgcache_add_msg(dest->cache, newmsginfo);
1877
1878                                 if (MSG_IS_NEW(newmsginfo->flags))
1879                                         dest->new++;
1880                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1881                                         dest->unread++;
1882                                 dest->total++;
1883                                 dest->need_update = TRUE;
1884
1885                                 procmsg_msginfo_free(newmsginfo);
1886                         }
1887                 }
1888                 l2 = g_slist_next(l2);
1889         }
1890
1891         if (folder->finished_copy)
1892                 folder->finished_copy(folder, dest);
1893
1894         g_slist_free(newmsgnums);
1895         return dest->last_num;
1896 }
1897
1898 gint folder_item_remove_msg(FolderItem *item, gint num)
1899 {
1900         Folder *folder;
1901         gint ret;
1902         MsgInfo *msginfo;
1903
1904         g_return_val_if_fail(item != NULL, -1);
1905
1906         folder = item->folder;
1907         if (!item->cache) folder_item_read_cache(item);
1908
1909         ret = folder->remove_msg(folder, item, num);
1910
1911         msginfo = msgcache_get_msg(item->cache, num);
1912         if (msginfo != NULL) {
1913                 if (MSG_IS_NEW(msginfo->flags))
1914                         item->new--;
1915                 if (MSG_IS_UNREAD(msginfo->flags))
1916                         item->unread--;
1917                 procmsg_msginfo_free(msginfo);
1918                 msgcache_remove_msg(item->cache, num);
1919         }
1920         item->total--;
1921         item->need_update = TRUE;
1922
1923         return ret;
1924 }
1925
1926 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
1927 {
1928         Folder *folder;
1929         gint ret = 0;
1930
1931         g_return_val_if_fail(item != NULL, -1);
1932
1933         folder = item->folder;
1934         if (folder->remove_msgs) {
1935                 ret = folder->remove_msgs(folder, item, msglist);
1936                 if (ret == 0)
1937                         folder->scan(folder);
1938                 return ret;
1939         }
1940
1941         if (!item->cache) folder_item_read_cache(item);
1942
1943         while (msglist != NULL) {
1944                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
1945
1946                 ret = folder_item_remove_msg(item, msginfo->msgnum);
1947                 if (ret != 0) break;
1948                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1949                 msglist = msglist->next;
1950         }
1951
1952         return ret;
1953 }
1954
1955 gint folder_item_remove_all_msg(FolderItem *item)
1956 {
1957         Folder *folder;
1958         gint result;
1959
1960         g_return_val_if_fail(item != NULL, -1);
1961
1962         folder = item->folder;
1963
1964         g_return_val_if_fail(folder->remove_all_msg != NULL, -1);
1965
1966         result = folder->remove_all_msg(folder, item);
1967
1968         if (result == 0) {
1969                 if (folder->finished_remove)
1970                         folder->finished_remove(folder, item);
1971
1972                 folder_item_free_cache(item);
1973                 item->cache = msgcache_new();
1974
1975                 item->new = 0;
1976                 item->unread = 0;
1977                 item->total = 0;
1978                 item->need_update = TRUE;
1979         }
1980
1981         return result;
1982 }
1983
1984 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
1985 {
1986         Folder *folder;
1987
1988         g_return_val_if_fail(item != NULL, FALSE);
1989
1990         folder = item->folder;
1991
1992         g_return_val_if_fail(folder->is_msg_changed != NULL, -1);
1993
1994         return folder->is_msg_changed(folder, item, msginfo);
1995 }
1996
1997 gchar *folder_item_get_cache_file(FolderItem *item)
1998 {
1999         gchar *path;
2000         gchar *file;
2001
2002         g_return_val_if_fail(item != NULL, NULL);
2003         g_return_val_if_fail(item->path != NULL, NULL);
2004
2005         path = folder_item_get_path(item);
2006         g_return_val_if_fail(path != NULL, NULL);
2007         if (!is_dir_exist(path))
2008                 make_dir_hier(path);
2009         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2010         g_free(path);
2011
2012         return file;
2013 }
2014
2015 gchar *folder_item_get_mark_file(FolderItem *item)
2016 {
2017         gchar *path;
2018         gchar *file;
2019
2020         g_return_val_if_fail(item != NULL, NULL);
2021         g_return_val_if_fail(item->path != NULL, NULL);
2022
2023         path = folder_item_get_path(item);
2024         g_return_val_if_fail(path != NULL, NULL);
2025         if (!is_dir_exist(path))
2026                 make_dir_hier(path);
2027         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2028         g_free(path);
2029
2030         return file;
2031 }
2032
2033 static gboolean folder_build_tree(GNode *node, gpointer data)
2034 {
2035         Folder *folder = FOLDER(data);
2036         FolderItem *item;
2037         XMLNode *xmlnode;
2038         GList *list;
2039         SpecialFolderItemType stype = F_NORMAL;
2040         const gchar *name = NULL;
2041         const gchar *path = NULL;
2042         PrefsAccount *account = NULL;
2043         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
2044                  threaded = TRUE, apply_sub = FALSE;
2045         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE; /* CLAWS */
2046         FolderSortKey sort_key = SORT_BY_NONE;
2047         FolderSortType sort_type = SORT_ASCENDING;
2048         gint new = 0, unread = 0, total = 0;
2049         time_t mtime = 0;
2050
2051         g_return_val_if_fail(node->data != NULL, FALSE);
2052         if (!node->parent) return FALSE;
2053
2054         xmlnode = node->data;
2055         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2056                 g_warning("tag name != \"folderitem\"\n");
2057                 return FALSE;
2058         }
2059
2060         list = xmlnode->tag->attr;
2061         for (; list != NULL; list = list->next) {
2062                 XMLAttr *attr = list->data;
2063
2064                 if (!attr || !attr->name || !attr->value) continue;
2065                 if (!strcmp(attr->name, "type")) {
2066                         if (!strcasecmp(attr->value, "normal"))
2067                                 stype = F_NORMAL;
2068                         else if (!strcasecmp(attr->value, "inbox"))
2069                                 stype = F_INBOX;
2070                         else if (!strcasecmp(attr->value, "outbox"))
2071                                 stype = F_OUTBOX;
2072                         else if (!strcasecmp(attr->value, "draft"))
2073                                 stype = F_DRAFT;
2074                         else if (!strcasecmp(attr->value, "queue"))
2075                                 stype = F_QUEUE;
2076                         else if (!strcasecmp(attr->value, "trash"))
2077                                 stype = F_TRASH;
2078                 } else if (!strcmp(attr->name, "name"))
2079                         name = attr->value;
2080                 else if (!strcmp(attr->name, "path"))
2081                         path = attr->value;
2082                 else if (!strcmp(attr->name, "mtime"))
2083                         mtime = strtoul(attr->value, NULL, 10);
2084                 else if (!strcmp(attr->name, "new"))
2085                         new = atoi(attr->value);
2086                 else if (!strcmp(attr->name, "unread"))
2087                         unread = atoi(attr->value);
2088                 else if (!strcmp(attr->name, "total"))
2089                         total = atoi(attr->value);
2090                 else if (!strcmp(attr->name, "no_sub"))
2091                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2092                 else if (!strcmp(attr->name, "no_select"))
2093                         no_select = *attr->value == '1' ? TRUE : FALSE;
2094                 else if (!strcmp(attr->name, "collapsed"))
2095                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2096                 else if (!strcmp(attr->name, "threaded"))
2097                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2098                 else if (!strcmp(attr->name, "hidereadmsgs"))
2099                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2100                 else if (!strcmp(attr->name, "reqretrcpt"))
2101                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2102                 else if (!strcmp(attr->name, "sort_key")) {
2103                         if (!strcmp(attr->value, "none"))
2104                                 sort_key = SORT_BY_NONE;
2105                         else if (!strcmp(attr->value, "number"))
2106                                 sort_key = SORT_BY_NUMBER;
2107                         else if (!strcmp(attr->value, "size"))
2108                                 sort_key = SORT_BY_SIZE;
2109                         else if (!strcmp(attr->value, "date"))
2110                                 sort_key = SORT_BY_DATE;
2111                         else if (!strcmp(attr->value, "from"))
2112                                 sort_key = SORT_BY_FROM;
2113                         else if (!strcmp(attr->value, "subject"))
2114                                 sort_key = SORT_BY_SUBJECT;
2115                         else if (!strcmp(attr->value, "score"))
2116                                 sort_key = SORT_BY_SCORE;
2117                         else if (!strcmp(attr->value, "label"))
2118                                 sort_key = SORT_BY_LABEL;
2119                         else if (!strcmp(attr->value, "mark"))
2120                                 sort_key = SORT_BY_MARK;
2121                         else if (!strcmp(attr->value, "unread"))
2122                                 sort_key = SORT_BY_UNREAD;
2123                         else if (!strcmp(attr->value, "mime"))
2124                                 sort_key = SORT_BY_MIME;
2125                         else if (!strcmp(attr->value, "locked"))
2126                                 sort_key = SORT_BY_LOCKED;
2127                 } else if (!strcmp(attr->name, "sort_type")) {
2128                         if (!strcmp(attr->value, "ascending"))
2129                                 sort_type = SORT_ASCENDING;
2130                         else
2131                                 sort_type = SORT_DESCENDING;
2132                 } else if (!strcmp(attr->name, "account_id")) {
2133                         account = account_find_from_id(atoi(attr->value));
2134                         if (!account) g_warning("account_id: %s not found\n",
2135                                                 attr->value);
2136                 } else if (!strcmp(attr->name, "apply_sub"))
2137                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2138         }
2139
2140         item = folder_item_new(folder, name, path);
2141         item->stype = stype;
2142         item->mtime = mtime;
2143         item->new = new;
2144         item->unread = unread;
2145         item->total = total;
2146         item->no_sub = no_sub;
2147         item->no_select = no_select;
2148         item->collapsed = collapsed;
2149         item->threaded  = threaded;
2150         item->hide_read_msgs  = hidereadmsgs;
2151         item->ret_rcpt  = ret_rcpt;
2152         item->sort_key  = sort_key;
2153         item->sort_type = sort_type;
2154         item->parent = FOLDER_ITEM(node->parent->data);
2155         item->folder = folder;
2156         switch (stype) {
2157         case F_INBOX:  folder->inbox  = item; break;
2158         case F_OUTBOX: folder->outbox = item; break;
2159         case F_DRAFT:  folder->draft  = item; break;
2160         case F_QUEUE:  folder->queue  = item; break;
2161         case F_TRASH:  folder->trash  = item; break;
2162         default:       break;
2163         }
2164         item->account = account;
2165         item->apply_sub = apply_sub;
2166         prefs_folder_item_read_config(item);
2167
2168         node->data = item;
2169         xml_free_node(xmlnode);
2170
2171         return FALSE;
2172 }
2173
2174 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2175 {
2176         Folder *folder;
2177         XMLNode *xmlnode;
2178         GList *list;
2179         FolderType type = F_UNKNOWN;
2180         const gchar *name = NULL;
2181         const gchar *path = NULL;
2182         PrefsAccount *account = NULL;
2183         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2184         gboolean ret_rcpt = FALSE; /* CLAWS */
2185
2186         if (g_node_depth(node) != 2) return FALSE;
2187         g_return_val_if_fail(node->data != NULL, FALSE);
2188
2189         xmlnode = node->data;
2190         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2191                 g_warning("tag name != \"folder\"\n");
2192                 return TRUE;
2193         }
2194         g_node_unlink(node);
2195         list = xmlnode->tag->attr;
2196         for (; list != NULL; list = list->next) {
2197                 XMLAttr *attr = list->data;
2198
2199                 if (!attr || !attr->name || !attr->value) continue;
2200                 if (!strcmp(attr->name, "type")) {
2201                         if (!strcasecmp(attr->value, "mh"))
2202                                 type = F_MH;
2203                         else if (!strcasecmp(attr->value, "mbox"))
2204                                 type = F_MBOX;
2205                         else if (!strcasecmp(attr->value, "maildir"))
2206                                 type = F_MAILDIR;
2207                         else if (!strcasecmp(attr->value, "imap"))
2208                                 type = F_IMAP;
2209                         else if (!strcasecmp(attr->value, "news"))
2210                                 type = F_NEWS;
2211                 } else if (!strcmp(attr->name, "name"))
2212                         name = attr->value;
2213                 else if (!strcmp(attr->name, "path"))
2214                         path = attr->value;
2215                 else if (!strcmp(attr->name, "collapsed"))
2216                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2217                 else if (!strcmp(attr->name, "threaded"))
2218                         threaded = *attr->value == '1' ? TRUE : FALSE;
2219                 else if (!strcmp(attr->name, "account_id")) {
2220                         account = account_find_from_id(atoi(attr->value));
2221                         if (!account) g_warning("account_id: %s not found\n",
2222                                                 attr->value);
2223                 } else if (!strcmp(attr->name, "apply_sub"))
2224                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2225                 else if (!strcmp(attr->name, "reqretrcpt"))
2226                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2227         }
2228
2229         folder = folder_new(type, name, path);
2230         g_return_val_if_fail(folder != NULL, FALSE);
2231         folder->account = account;
2232         if (account && (type == F_IMAP || type == F_NEWS))
2233                 account->folder = REMOTE_FOLDER(folder);
2234         node->data = folder->node->data;
2235         g_node_destroy(folder->node);
2236         folder->node = node;
2237         folder_add(folder);
2238         FOLDER_ITEM(node->data)->collapsed = collapsed;
2239         FOLDER_ITEM(node->data)->threaded  = threaded;
2240         FOLDER_ITEM(node->data)->account   = account;
2241         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2242         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2243
2244         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2245                         folder_build_tree, folder);
2246
2247         return FALSE;
2248 }
2249
2250 static gchar *folder_get_list_path(void)
2251 {
2252         static gchar *filename = NULL;
2253
2254         if (!filename)
2255                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2256                                         FOLDER_LIST, NULL);
2257
2258         return filename;
2259 }
2260
2261 static void folder_write_list_recursive(GNode *node, gpointer data)
2262 {
2263         FILE *fp = (FILE *)data;
2264         FolderItem *item;
2265         gint i, depth;
2266         static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
2267                                            "news", "unknown"};
2268         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2269                                                  "draft", "queue", "trash"};
2270         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2271                                         "from", "subject", "score", "label",
2272                                         "mark", "unread", "mime", "locked" };
2273         g_return_if_fail(node != NULL);
2274         g_return_if_fail(fp != NULL);
2275
2276         item = FOLDER_ITEM(node->data);
2277         g_return_if_fail(item != NULL);
2278
2279         depth = g_node_depth(node);
2280         for (i = 0; i < depth; i++)
2281                 fputs("    ", fp);
2282         if (depth == 1) {
2283                 Folder *folder = item->folder;
2284
2285                 fprintf(fp, "<folder type=\"%s\"", folder_type_str[folder->type]);
2286                 if (folder->name) {
2287                         fputs(" name=\"", fp);
2288                         xml_file_put_escape_str(fp, folder->name);
2289                         fputs("\"", fp);
2290                 }
2291                 if ((folder->type == F_MH) || (folder->type == F_MBOX)) {
2292                         fputs(" path=\"", fp);
2293                         xml_file_put_escape_str
2294                                 (fp, LOCAL_FOLDER(folder)->rootpath);
2295                         fputs("\"", fp);
2296                 }
2297                 if (item->collapsed && node->children)
2298                         fputs(" collapsed=\"1\"", fp);
2299                 if (folder->account)
2300                         fprintf(fp, " account_id=\"%d\"",
2301                                 folder->account->account_id);
2302                 if (item->apply_sub)
2303                         fputs(" apply_sub=\"1\"", fp);
2304                 if (item->ret_rcpt)
2305                         fputs(" reqretrcpt=\"1\"", fp);
2306         } else {
2307                 fprintf(fp, "<folderitem type=\"%s\"",
2308                         folder_item_stype_str[item->stype]);
2309                 if (item->name) {
2310                         fputs(" name=\"", fp);
2311                         xml_file_put_escape_str(fp, item->name);
2312                         fputs("\"", fp);
2313                 }
2314                 if (item->path) {
2315                         fputs(" path=\"", fp);
2316                         xml_file_put_escape_str(fp, item->path);
2317                         fputs("\"", fp);
2318                 }
2319
2320                 if (item->no_sub)
2321                         fputs(" no_sub=\"1\"", fp);
2322                 if (item->no_select)
2323                         fputs(" no_select=\"1\"", fp);
2324                 if (item->collapsed && node->children)
2325                         fputs(" collapsed=\"1\"", fp);
2326                 if (item->threaded)
2327                         fputs(" threaded=\"1\"", fp);
2328                 else
2329                         fputs(" threaded=\"0\"", fp);
2330                 if (item->hide_read_msgs)
2331                         fputs(" hidereadmsgs=\"1\"", fp);
2332                 else
2333                         fputs(" hidereadmsgs=\"0\"", fp);
2334                 if (item->ret_rcpt)
2335                         fputs(" reqretrcpt=\"1\"", fp);
2336
2337                 if (item->sort_key != SORT_BY_NONE) {
2338                         fprintf(fp, " sort_key=\"%s\"",
2339                                 sort_key_str[item->sort_key]);
2340                         if (item->sort_type == SORT_ASCENDING)
2341                                 fprintf(fp, " sort_type=\"ascending\"");
2342                         else
2343                                 fprintf(fp, " sort_type=\"descending\"");
2344                 }
2345
2346                 fprintf(fp,
2347                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" total=\"%d\"",
2348                         item->mtime, item->new, item->unread, item->total);
2349
2350                 if (item->account)
2351                         fprintf(fp, " account_id=\"%d\"",
2352                                 item->account->account_id);
2353                 if (item->apply_sub)
2354                         fputs(" apply_sub=\"1\"", fp);
2355         }
2356
2357         if (node->children) {
2358                 GNode *child;
2359                 fputs(">\n", fp);
2360
2361                 child = node->children;
2362                 while (child) {
2363                         GNode *cur;
2364
2365                         cur = child;
2366                         child = cur->next;
2367                         folder_write_list_recursive(cur, data);
2368                 }
2369
2370                 for (i = 0; i < depth; i++)
2371                         fputs("    ", fp);
2372                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2373         } else
2374                 fputs(" />\n", fp);
2375 }
2376
2377 static void folder_update_op_count_rec(GNode *node) {
2378         FolderItem *fitem = FOLDER_ITEM(node->data);
2379
2380         if (g_node_depth(node) > 0) {
2381                 if (fitem->op_count > 0) {
2382                         fitem->op_count = 0;
2383                         folderview_update_item(fitem, 0);
2384                 }
2385                 if (node->children) {
2386                         GNode *child;
2387
2388                         child = node->children;
2389                         while (child) {
2390                                 GNode *cur;
2391
2392                                 cur = child;
2393                                 child = cur->next;
2394                                 folder_update_op_count_rec(cur);
2395                         }
2396                 }
2397         }
2398 }
2399
2400 void folder_update_op_count() {
2401         GList *cur;
2402         Folder *folder;
2403
2404         for (cur = folder_list; cur != NULL; cur = cur->next) {
2405                 folder = cur->data;
2406                 folder_update_op_count_rec(folder->node);
2407         }
2408 }
2409
2410 typedef struct _type_str {
2411         gchar * str;
2412         gint type;
2413 } type_str;
2414
2415
2416 /*
2417 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2418 {
2419         if (item->parent != NULL) {
2420                 gchar * path;
2421                 gchar * id;
2422
2423                 path = folder_item_get_tree_identifier(item->parent);
2424                 if (path == NULL)
2425                         return NULL;
2426
2427                 id = g_strconcat(path, "/", item->name, NULL);
2428                 g_free(path);
2429
2430                 return id;
2431         }
2432         else {
2433                 return g_strconcat("/", item->name, NULL);
2434         }
2435 }
2436 */
2437
2438 /* CLAWS: temporary local folder for filtering */
2439 static Folder *processing_folder;
2440 static FolderItem *processing_folder_item;
2441
2442 static void folder_create_processing_folder(void)
2443 {
2444 #define PROCESSING_FOLDER ".processing"
2445         Folder     *tmpparent;
2446         gchar      *tmpname;
2447
2448         tmpparent = folder_get_default_folder();
2449         g_assert(tmpparent);
2450         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2451         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2452                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2453                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2454                                       NULL);
2455         else
2456                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2457                                       LOCAL_FOLDER(tmpparent)->rootpath,
2458                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2459                                       NULL);
2460
2461         processing_folder = folder_new(F_MH, "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2462         g_assert(processing_folder);
2463
2464         if (!is_dir_exist(tmpname)) {
2465                 debug_print("*TMP* creating %s\n", tmpname);
2466                 processing_folder_item = processing_folder->create_folder(processing_folder,
2467                                                                           processing_folder->node->data,
2468                                                                           PROCESSING_FOLDER);
2469                 g_assert(processing_folder_item);
2470         }
2471         else {
2472                 debug_print("*TMP* already created\n");
2473                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2474                 g_assert(processing_folder_item);
2475                 folder_item_append(processing_folder->node->data, processing_folder_item);
2476         }
2477         g_free(tmpname);
2478 }
2479
2480 FolderItem *folder_get_default_processing(void)
2481 {
2482         if (!processing_folder_item) {
2483                 folder_create_processing_folder();
2484         }
2485         return processing_folder_item;
2486 }
2487
2488 /* folder_persist_prefs_new() - return hash table with persistent
2489  * settings (and folder name as key).
2490  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2491  * file, so those don't need to be included in PersistPref yet)
2492  */
2493 GHashTable *folder_persist_prefs_new(Folder *folder)
2494 {
2495         GHashTable *pptable;
2496
2497         g_return_val_if_fail(folder, NULL);
2498         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2499         folder_get_persist_prefs_recursive(folder->node, pptable);
2500         return pptable;
2501 }
2502
2503 void folder_persist_prefs_free(GHashTable *pptable)
2504 {
2505         g_return_if_fail(pptable);
2506         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2507         g_hash_table_destroy(pptable);
2508 }
2509
2510 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2511 {
2512         if (pptable == NULL || name == NULL) return NULL;
2513         return g_hash_table_lookup(pptable, name);
2514 }
2515
2516 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2517 {
2518         const PersistPrefs *pp;
2519         gchar *id = folder_item_get_identifier(item);
2520
2521         pp = folder_get_persist_prefs(pptable, id);
2522         g_free(id);
2523
2524         if (!pp) return;
2525
2526         /* CLAWS: since not all folder properties have been migrated to
2527          * folderlist.xml, we need to call the old stuff first before
2528          * setting things that apply both to Main and Claws. */
2529         prefs_folder_item_read_config(item);
2530
2531         item->collapsed = pp->collapsed;
2532         item->threaded  = pp->threaded;
2533         item->ret_rcpt  = pp->ret_rcpt;
2534         item->hide_read_msgs = pp->hide_read_msgs;
2535         item->sort_key  = pp->sort_key;
2536         item->sort_type = pp->sort_type;
2537 }
2538
2539 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2540 {
2541         FolderItem *item = FOLDER_ITEM(node->data);
2542         PersistPrefs *pp;
2543         GNode *child, *cur;
2544         gchar *id;
2545
2546         g_return_if_fail(node != NULL);
2547         g_return_if_fail(item != NULL);
2548
2549         /* NOTE: item->path == NULL means top level folder; not interesting
2550          * to store preferences of that one.  */
2551         if (item->path) {
2552                 id = folder_item_get_identifier(item);
2553                 pp = g_new0(PersistPrefs, 1);
2554                 g_return_if_fail(pp != NULL);
2555                 pp->collapsed = item->collapsed;
2556                 pp->threaded  = item->threaded;
2557                 pp->ret_rcpt  = item->ret_rcpt;
2558                 pp->hide_read_msgs = item->hide_read_msgs;
2559                 pp->sort_key  = item->sort_key;
2560                 pp->sort_type = item->sort_type;
2561                 g_hash_table_insert(pptable, id, pp);
2562         }
2563
2564         if (node->children) {
2565                 child = node->children;
2566                 while (child) {
2567                         cur = child;
2568                         child = cur->next;
2569                         folder_get_persist_prefs_recursive(cur, pptable);
2570                 }
2571         }
2572 }
2573
2574 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2575 {
2576         if (key)
2577                 g_free(key);
2578         if (val)
2579                 g_free(val);
2580         return TRUE;
2581 }
2582
2583 void folder_item_apply_processing(FolderItem *item)
2584 {
2585         GSList *processing_list;
2586         GSList *mlist, *cur;
2587
2588         g_return_if_fail(item != NULL);
2589
2590         processing_list = item->prefs->processing;
2591         if (processing_list == NULL)
2592                 return;
2593
2594         mlist = folder_item_get_msg_list(item);
2595
2596         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2597                 MsgInfo * msginfo;
2598
2599                 msginfo = (MsgInfo *) cur->data;
2600                 filter_message_by_msginfo(processing_list, msginfo);
2601                 procmsg_msginfo_free(msginfo);
2602         }
2603
2604         folderview_update_items_when_required(FALSE);
2605
2606         g_slist_free(mlist);
2607 }