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