src/folder.c

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