src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Claws Mail team
   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <glib/gi18n.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33 #include <stdlib.h>
  34 #ifdef WIN32
  35 #include <w32lib.h>
  36 #endif
  37
  38 #include "folder.h"
  39 #include "session.h"
  40 #include "inc.h"
  41 #include "imap.h"
  42 #include "news.h"
  43 #include "mh.h"
  44 #include "utils.h"
  45 #include "xml.h"
  46 #include "codeconv.h"
  47 #include "prefs_gtk.h"
  48 #include "account.h"
  49 #include "filtering.h"
  50 #include "procheader.h"
  51 #include "hooks.h"
  52 #include "log.h"
  53 #include "folder_item_prefs.h"
  54 #include "remotefolder.h"
  55 #include "partial_download.h"
  56 #include "statusbar.h"
  57 #include "gtkutils.h"
  58 #include "timing.h"
  59 #include "compose.h"
  60
  61 /* Dependecies to be removed ?! */
  62 #include "prefs_common.h"
  63 #include "prefs_account.h"
  64
  65 /* Define possible missing constants for Windows. */
  66 #ifdef G_OS_WIN32
  67 # ifndef S_IRGRP
  68 # define S_IRGRP 0
  69 # define S_IWGRP 0
  70 # endif
  71 # ifndef S_IROTH
  72 # define S_IROTH 0
  73 # define S_IWOTH 0
  74 # endif
  75 #endif
  76
  77 static GList *folder_list = NULL;
  78 static GSList *class_list = NULL;
  79 static GSList *folder_unloaded_list = NULL;
  80
  81 void folder_init                (Folder         *folder,
  82                                  const gchar    *name);
  83
  84 static gchar *folder_get_list_path      (void);
  85 static GNode *folder_get_xml_node       (Folder         *folder);
  86 static Folder *folder_get_from_xml      (GNode          *node);
  87 static void folder_update_op_count_rec  (GNode          *node);
  88
  89
  90 static void folder_get_persist_prefs_recursive
  91                                         (GNode *node, GHashTable *pptable);
  92 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  93 void folder_item_read_cache             (FolderItem *item);
  94 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  95 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
  96                                          MsgInfo *msg);
  97
  98 void folder_system_init(void)
  99 {
 100         folder_register_class(mh_get_class());
 101         folder_register_class(imap_get_class());
 102         folder_register_class(news_get_class());
 103 }
 104
 105 GSList *folder_get_class_list(void)
 106 {
 107         return class_list;
 108 }
 109
 110 void folder_register_class(FolderClass *klass)
 111 {
 112         GSList *xmllist, *cur;
 113
 114         debug_print("registering folder class %s\n", klass->idstr);
 115
 116         class_list = g_slist_append(class_list, klass);
 117
 118         xmllist = g_slist_copy(folder_unloaded_list);
 119         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 120                 GNode *node = (GNode *) cur->data;
 121                 XMLNode *xmlnode = (XMLNode *) node->data;
 122                 GList *cur = xmlnode->tag->attr;
 123
 124                 for (; cur != NULL; cur = g_list_next(cur)) {
 125                         XMLAttr *attr = (XMLAttr *) cur->data;
 126
 127                         if (!attr || !attr->name || !attr->value) continue;
 128                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 129                                 Folder *folder;
 130
 131                                 folder = folder_get_from_xml(node);
 132                                 folder_add(folder);
 133                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 134
 135                                 cur = NULL;
 136                                 continue;
 137                         }
 138                 }
 139         }
 140         g_slist_free(xmllist);
 141 }
 142
 143 void folder_unregister_class(FolderClass *klass)
 144 {
 145         GList *folderlist, *cur;
 146
 147         debug_print("unregistering folder class %s\n", klass->idstr);
 148
 149         class_list = g_slist_remove(class_list, klass);
 150
 151         folderlist = g_list_copy(folder_get_list());
 152         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 153                 Folder *folder = (Folder *) cur->data;
 154
 155                 if (folder->klass == klass) {
 156                         GNode *xmlnode = folder_get_xml_node(folder);
 157                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 158                         folder_destroy(folder);
 159                 }
 160         }
 161         g_list_free(folderlist);
 162 }
 163
 164 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 165 {
 166         Folder *folder = NULL;
 167         FolderItem *item;
 168
 169         g_return_val_if_fail(klass != NULL, NULL);
 170
 171         name = name ? name : path;
 172         folder = klass->new_folder(name, path);
 173
 174         /* Create root folder item */
 175         item = folder_item_new(folder, name, NULL);
 176         if (item == NULL) {
 177                 return NULL;
 178         }
 179         item->folder = folder;
 180         folder->node = item->node = g_node_new(item);
 181         folder->data = NULL;
 182
 183         return folder;
 184 }
 185
 186 void folder_init(Folder *folder, const gchar *name)
 187 {
 188         g_return_if_fail(folder != NULL);
 189
 190         folder_set_name(folder, name);
 191
 192         /* Init folder data */
 193         folder->account = NULL;
 194         folder->sort = 0;
 195         folder->inbox = NULL;
 196         folder->outbox = NULL;
 197         folder->draft = NULL;
 198         folder->queue = NULL;
 199         folder->trash = NULL;
 200 }
 201
 202 static void reset_parent_type(FolderItem *item, gpointer data) {
 203         item->parent_stype = -1;
 204 }
 205
 206 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 207 {
 208         Folder *folder = NULL;
 209         FolderUpdateData hookdata;
 210
 211         folder = item->folder;
 212         /* unset previous root of newtype */
 213         switch(newtype) {
 214         case F_INBOX:
 215                 folder_item_change_type(folder->inbox, F_NORMAL);
 216                 folder->inbox = item;
 217                 break;
 218         case F_OUTBOX:
 219                 folder_item_change_type(folder->outbox, F_NORMAL);
 220                 folder->outbox = item;
 221                 break;
 222         case F_QUEUE:
 223                 folder_item_change_type(folder->queue, F_NORMAL);
 224                 folder->queue = item;
 225                 break;
 226         case F_DRAFT:
 227                 folder_item_change_type(folder->draft, F_NORMAL);
 228                 folder->draft = item;
 229                 break;
 230         case F_TRASH:
 231                 folder_item_change_type(folder->trash, F_NORMAL);
 232                 folder->trash = item;
 233                 break;
 234         case F_NORMAL:
 235         default:
 236                 break;
 237         }
 238         /* set new type for current folder and sons */
 239         item->stype = newtype;
 240         folder_func_to_all_folders(reset_parent_type, NULL);
 241
 242         hookdata.folder = folder;
 243         hookdata.update_flags = FOLDER_TREE_CHANGED;
 244         hookdata.item = NULL;
 245         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 246 }
 247
 248 void folder_destroy(Folder *folder)
 249 {
 250         g_return_if_fail(folder != NULL);
 251         g_return_if_fail(folder->klass->destroy_folder != NULL);
 252
 253         folder_remove(folder);
 254
 255         folder_tree_destroy(folder);
 256
 257         folder->klass->destroy_folder(folder);
 258
 259         g_free(folder->name);
 260         g_free(folder);
 261 }
 262
 263 void folder_set_xml(Folder *folder, XMLTag *tag)
 264 {
 265         GList *cur;
 266         FolderItem *rootitem = NULL;
 267
 268         if ((folder->node != NULL) && (folder->node->data != NULL))
 269                 rootitem = (FolderItem *) folder->node->data;
 270
 271         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 272                 XMLAttr *attr = (XMLAttr *) cur->data;
 273
 274                 if (!attr || !attr->name || !attr->value) continue;
 275                 if (!strcmp(attr->name, "name")) {
 276                         g_free(folder->name);
 277                         folder->name = g_strdup(attr->value);
 278                         if (rootitem != NULL) {
 279                                 g_free(rootitem->name);
 280                                 rootitem->name = g_strdup(attr->value);
 281                         }
 282                 } else if (!strcmp(attr->name, "account_id")) {
 283                         PrefsAccount *account;
 284
 285                         account = account_find_from_id(atoi(attr->value));
 286                         if (!account)
 287                                 g_warning("account_id: %s not found\n", attr->value);
 288                         else {
 289                                 folder->account = account;
 290                                 account->folder = folder;
 291                         }
 292                 } else if (!strcmp(attr->name, "collapsed")) {
 293                         if (rootitem != NULL)
 294                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 295                 } else if (!strcmp(attr->name, "sort")) {
 296                         folder->sort = atoi(attr->value);
 297                 }
 298         }
 299 }
 300
 301 XMLTag *folder_get_xml(Folder *folder)
 302 {
 303         XMLTag *tag;
 304
 305         tag = xml_tag_new("folder");
 306
 307         if (folder->name)
 308                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 309         if (folder->account)
 310                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 311         if (folder->node && folder->node->data) {
 312                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 313
 314                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 315         }
 316         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 317
 318         return tag;
 319 }
 320
 321 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 322 {
 323         FolderItem *item = NULL;
 324
 325         g_return_val_if_fail(folder != NULL, NULL);
 326
 327         if (folder->klass->item_new) {
 328                 item = folder->klass->item_new(folder);
 329         } else {
 330                 item = g_new0(FolderItem, 1);
 331         }
 332
 333         g_return_val_if_fail(item != NULL, NULL);
 334
 335         item->stype = F_NORMAL;
 336         item->name = g_strdup(name);
 337         item->path = g_strdup(path);
 338         item->mtime = 0;
 339         item->new_msgs = 0;
 340         item->unread_msgs = 0;
 341         item->unreadmarked_msgs = 0;
 342         item->marked_msgs = 0;
 343         item->total_msgs = 0;
 344         item->last_num = -1;
 345         item->cache = NULL;
 346         item->no_sub = FALSE;
 347         item->no_select = FALSE;
 348         item->collapsed = FALSE;
 349         item->thread_collapsed = FALSE;
 350         item->threaded  = TRUE;
 351         item->ret_rcpt  = FALSE;
 352         item->opened    = FALSE;
 353         item->node = g_node_new(item);
 354         item->folder = NULL;
 355         item->account = NULL;
 356         item->apply_sub = FALSE;
 357         item->mark_queue = NULL;
 358         item->data = NULL;
 359         item->parent_stype = -1;
 360
 361         item->sort_key = SORT_BY_DATE;
 362         item->sort_type = SORT_ASCENDING;
 363
 364         item->prefs = folder_item_prefs_new();
 365
 366         return item;
 367 }
 368
 369 void folder_item_append(FolderItem *parent, FolderItem *item)
 370 {
 371         g_return_if_fail(parent != NULL);
 372         g_return_if_fail(parent->folder != NULL);
 373         g_return_if_fail(parent->node != NULL);
 374         g_return_if_fail(item != NULL);
 375
 376         item->folder = parent->folder;
 377         g_node_append(parent->node, item->node);
 378 }
 379
 380 void folder_item_remove(FolderItem *item)
 381 {
 382         GNode *node, *start_node;
 383         FolderUpdateData hookdata;
 384
 385         g_return_if_fail(item != NULL);
 386         g_return_if_fail(item->folder != NULL);
 387         g_return_if_fail(item->folder->node != NULL);
 388
 389         start_node = node = item->node;
 390
 391         node = item->folder->node;
 392
 393         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 394         node = node->children;
 395
 396         /* remove my children */
 397         while (node != NULL) {
 398                 if (node && node->data) {
 399                         FolderItem *sub_item = (FolderItem*) node->data;
 400                         node = node->next;
 401                         folder_item_remove(sub_item);
 402                 }
 403         }
 404
 405         /* remove myself */
 406         if (item->cache != NULL) {
 407                 msgcache_destroy(item->cache);
 408                 item->cache = NULL;
 409         }
 410
 411         hookdata.folder = item->folder;
 412         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 413         hookdata.item = item;
 414         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 415
 416         node = start_node;
 417
 418         if (item->folder->node == node)
 419                 item->folder->node = NULL;
 420
 421         folder_item_destroy(item);
 422
 423         g_node_destroy(node);
 424 }
 425
 426 void folder_item_remove_children(FolderItem *item)
 427 {
 428         GNode *node, *next;
 429
 430         g_return_if_fail(item != NULL);
 431         g_return_if_fail(item->folder != NULL);
 432         g_return_if_fail(item->node != NULL);
 433
 434         node = item->node->children;
 435         while (node != NULL) {
 436                 next = node->next;
 437                 folder_item_remove(FOLDER_ITEM(node->data));
 438                 node = next;
 439         }
 440 }
 441
 442 void folder_item_destroy(FolderItem *item)
 443 {
 444         Folder *folder;
 445
 446         g_return_if_fail(item != NULL);
 447
 448         folder = item->folder;
 449         if (folder) {
 450                 if (folder->inbox == item)
 451                         folder->inbox = NULL;
 452                 else if (folder->outbox == item)
 453                         folder->outbox = NULL;
 454                 else if (folder->draft == item)
 455                         folder->draft = NULL;
 456                 else if (folder->queue == item)
 457                         folder->queue = NULL;
 458                 else if (folder->trash == item)
 459                         folder->trash = NULL;
 460         }
 461
 462         if (item->cache)
 463                 folder_item_free_cache(item, TRUE);
 464         if (item->prefs)
 465                 folder_item_prefs_free(item->prefs);
 466         g_free(item->name);
 467         g_free(item->path);
 468
 469         if (item->folder != NULL) {
 470                 if(item->folder->klass->item_destroy) {
 471                         item->folder->klass->item_destroy(item->folder, item);
 472                 } else {
 473                         g_free(item);
 474                 }
 475         }
 476 }
 477
 478 FolderItem *folder_item_parent(FolderItem *item)
 479 {
 480         g_return_val_if_fail(item != NULL, NULL);
 481         g_return_val_if_fail(item->node != NULL, NULL);
 482
 483         if (item->node->parent == NULL)
 484                 return NULL;
 485         return (FolderItem *) item->node->parent->data;
 486 }
 487
 488 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 489 {
 490         GList *cur;
 491
 492         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 493                 XMLAttr *attr = (XMLAttr *) cur->data;
 494
 495                 if (!attr || !attr->name || !attr->value) continue;
 496                 if (!strcmp(attr->name, "type")) {
 497                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 498                                 item->stype = F_NORMAL;
 499                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 500                                 item->stype = F_INBOX;
 501                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 502                                 item->stype = F_OUTBOX;
 503                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 504                                 item->stype = F_DRAFT;
 505                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 506                                 item->stype = F_QUEUE;
 507                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 508                                 item->stype = F_TRASH;
 509                 } else if (!strcmp(attr->name, "name")) {
 510                         g_free(item->name);
 511                         item->name = g_strdup(attr->value);
 512                 } else if (!strcmp(attr->name, "path")) {
 513                         g_free(item->path);
 514                         item->path = g_strdup(attr->value);
 515                 } else if (!strcmp(attr->name, "mtime"))
 516                         item->mtime = strtoul(attr->value, NULL, 10);
 517                 else if (!strcmp(attr->name, "new"))
 518                         item->new_msgs = atoi(attr->value);
 519                 else if (!strcmp(attr->name, "unread"))
 520                         item->unread_msgs = atoi(attr->value);
 521                 else if (!strcmp(attr->name, "unreadmarked"))
 522                         item->unreadmarked_msgs = atoi(attr->value);
 523                 else if (!strcmp(attr->name, "marked"))
 524                         item->marked_msgs = atoi(attr->value);
 525                 else if (!strcmp(attr->name, "total"))
 526                         item->total_msgs = atoi(attr->value);
 527                 else if (!strcmp(attr->name, "no_sub"))
 528                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 529                 else if (!strcmp(attr->name, "no_select"))
 530                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 531                 else if (!strcmp(attr->name, "collapsed"))
 532                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 533                 else if (!strcmp(attr->name, "thread_collapsed"))
 534                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 535                 else if (!strcmp(attr->name, "threaded"))
 536                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 537                 else if (!strcmp(attr->name, "hidereadmsgs"))
 538                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 539                 else if (!strcmp(attr->name, "reqretrcpt"))
 540                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 541                 else if (!strcmp(attr->name, "sort_key")) {
 542                         if (!strcmp(attr->value, "none"))
 543                                 item->sort_key = SORT_BY_NONE;
 544                         else if (!strcmp(attr->value, "number"))
 545                                 item->sort_key = SORT_BY_NUMBER;
 546                         else if (!strcmp(attr->value, "size"))
 547                                 item->sort_key = SORT_BY_SIZE;
 548                         else if (!strcmp(attr->value, "date"))
 549                                 item->sort_key = SORT_BY_DATE;
 550                         else if (!strcmp(attr->value, "from"))
 551                                 item->sort_key = SORT_BY_FROM;
 552                         else if (!strcmp(attr->value, "subject"))
 553                                 item->sort_key = SORT_BY_SUBJECT;
 554                         else if (!strcmp(attr->value, "score"))
 555                                 item->sort_key = SORT_BY_SCORE;
 556                         else if (!strcmp(attr->value, "label"))
 557                                 item->sort_key = SORT_BY_LABEL;
 558                         else if (!strcmp(attr->value, "mark"))
 559                                 item->sort_key = SORT_BY_MARK;
 560                         else if (!strcmp(attr->value, "unread"))
 561                                 item->sort_key = SORT_BY_STATUS;
 562                         else if (!strcmp(attr->value, "mime"))
 563                                 item->sort_key = SORT_BY_MIME;
 564                         else if (!strcmp(attr->value, "to"))
 565                                 item->sort_key = SORT_BY_TO;
 566                         else if (!strcmp(attr->value, "locked"))
 567                                 item->sort_key = SORT_BY_LOCKED;
 568                 } else if (!strcmp(attr->name, "sort_type")) {
 569                         if (!strcmp(attr->value, "ascending"))
 570                                 item->sort_type = SORT_ASCENDING;
 571                         else
 572                                 item->sort_type = SORT_DESCENDING;
 573                 } else if (!strcmp(attr->name, "account_id")) {
 574                         PrefsAccount *account;
 575
 576                         account = account_find_from_id(atoi(attr->value));
 577                         if (!account)
 578                                 g_warning("account_id: %s not found\n", attr->value);
 579                         else
 580                                 item->account = account;
 581                 } else if (!strcmp(attr->name, "apply_sub"))
 582                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 583         }
 584 }
 585
 586 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 587 {
 588         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 589                                                  "draft", "queue", "trash"};
 590         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 591                                         "from", "subject", "score", "label",
 592                                         "mark", "unread", "mime", "to",
 593                                         "locked"};
 594         XMLTag *tag;
 595         gchar *value;
 596
 597         tag = xml_tag_new("folderitem");
 598
 599         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 600         if (item->name)
 601                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 602         if (item->path)
 603                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 604         if (item->no_sub)
 605                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 606         if (item->no_select)
 607                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 608         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 609         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 610         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 611         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 612         if (item->ret_rcpt)
 613                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 614
 615         if (item->sort_key != SORT_BY_NONE) {
 616                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 617                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 618         }
 619
 620         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 621         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 622         g_free(value);
 623         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 624         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 625         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 626         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 627         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 628
 629         if (item->account)
 630                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 631         if (item->apply_sub)
 632                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 633
 634         return tag;
 635 }
 636
 637 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 638 {
 639         g_return_if_fail(folder != NULL);
 640
 641         folder->ui_func = func;
 642         folder->ui_func_data = data;
 643 }
 644
 645 void folder_set_name(Folder *folder, const gchar *name)
 646 {
 647         g_return_if_fail(folder != NULL);
 648
 649         g_free(folder->name);
 650         folder->name = name ? g_strdup(name) : NULL;
 651         if (folder->node && folder->node->data) {
 652                 FolderItem *item = (FolderItem *)folder->node->data;
 653
 654                 g_free(item->name);
 655                 item->name = name ? g_strdup(name) : NULL;
 656         }
 657 }
 658
 659 void folder_set_sort(Folder *folder, guint sort)
 660 {
 661         g_return_if_fail(folder != NULL);
 662
 663         if (folder->sort != sort) {
 664                 folder_remove(folder);
 665                 folder->sort = sort;
 666                 folder_add(folder);
 667         }
 668 }
 669
 670 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 671         FolderItem *item = (FolderItem *) node->data;
 672
 673         folder_item_destroy(item);
 674         return FALSE;
 675 }
 676
 677 void folder_tree_destroy(Folder *folder)
 678 {
 679         GNode *node;
 680
 681         g_return_if_fail(folder != NULL);
 682
 683         node = folder->node;
 684
 685         prefs_filtering_clear_folder(folder);
 686
 687         if (node != NULL) {
 688                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 689                                 folder_tree_destroy_func, NULL);
 690                 g_node_destroy(node);
 691                 folder->node = NULL;
 692         }
 693 }
 694
 695 void folder_add(Folder *folder)
 696 {
 697         Folder *cur_folder;
 698         GList *cur;
 699         gint i;
 700         FolderUpdateData hookdata;
 701
 702         g_return_if_fail(folder != NULL);
 703
 704         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 705                 cur_folder = FOLDER(cur->data);
 706                 if (cur_folder->sort < folder->sort)
 707                         break;
 708         }
 709
 710         folder_list = g_list_insert(folder_list, folder, i);
 711
 712         hookdata.folder = folder;
 713         hookdata.update_flags = FOLDER_ADD_FOLDER;
 714         hookdata.item = NULL;
 715         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 716 }
 717
 718 void folder_remove(Folder *folder)
 719 {
 720         FolderUpdateData hookdata;
 721
 722         g_return_if_fail(folder != NULL);
 723
 724         folder_list = g_list_remove(folder_list, folder);
 725
 726         hookdata.folder = folder;
 727         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 728         hookdata.item = NULL;
 729         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 730 }
 731
 732 GList *folder_get_list(void)
 733 {
 734         return folder_list;
 735 }
 736
 737 gint folder_read_list(void)
 738 {
 739         GNode *node, *cur;
 740         XMLNode *xmlnode;
 741         gchar *path;
 742
 743         path = folder_get_list_path();
 744         if (!is_file_exist(path)) return -1;
 745         node = xml_parse_file(path);
 746         if (!node) return -1;
 747
 748         xmlnode = node->data;
 749         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 750                 g_warning("wrong folder list\n");
 751                 xml_free_tree(node);
 752                 return -1;
 753         }
 754
 755         cur = node->children;
 756         while (cur != NULL) {
 757                 Folder *folder;
 758
 759                 folder = folder_get_from_xml(cur);
 760                 if (folder != NULL)
 761                         folder_add(folder);
 762                 else
 763                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 764                                 (gpointer) xml_copy_tree(cur));
 765                 cur = cur->next;
 766         }
 767
 768         xml_free_tree(node);
 769         if (folder_list || folder_unloaded_list)
 770                 return 0;
 771         else
 772                 return -1;
 773 }
 774
 775 void folder_write_list(void)
 776 {
 777         GList *list;
 778         GSList *slist;
 779         Folder *folder;
 780         gchar *path;
 781         PrefFile *pfile;
 782         GNode *rootnode;
 783         XMLNode *xmlnode;
 784         XMLTag *tag;
 785
 786         path = folder_get_list_path();
 787         if ((pfile = prefs_write_open(path)) == NULL) return;
 788
 789         xml_file_put_xml_decl(pfile->fp);
 790         tag = xml_tag_new("folderlist");
 791
 792         xmlnode = xml_node_new(tag, NULL);
 793
 794         rootnode = g_node_new(xmlnode);
 795
 796         for (list = folder_list; list != NULL; list = list->next) {
 797                 GNode *node;
 798
 799                 folder = list->data;
 800                 node = folder_get_xml_node(folder);
 801                 if (node != NULL)
 802                         g_node_append(rootnode, node);
 803         }
 804
 805         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 806                 GNode *node = (GNode *) slist->data;
 807
 808                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 809         }
 810
 811         xml_write_tree(rootnode, pfile->fp);
 812
 813         if (prefs_file_close(pfile) < 0)
 814                 g_warning("failed to write folder list.\n");
 815
 816         xml_free_tree(rootnode);
 817 }
 818
 819 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 820 {
 821         GHashTable *pptable = (GHashTable *)data;
 822         FolderItem *item = (FolderItem *)node->data;
 823
 824         folder_item_restore_persist_prefs(item, pptable);
 825         folder_item_scan_full(item, FALSE);
 826
 827         return FALSE;
 828 }
 829
 830 void folder_scan_tree(Folder *folder, gboolean rebuild)
 831 {
 832         GHashTable *pptable;
 833         FolderUpdateData hookdata;
 834         Folder *old_folder = folder;
 835
 836         if (!folder->klass->scan_tree)
 837                 return;
 838
 839         pptable = folder_persist_prefs_new(folder);
 840
 841         if (rebuild)
 842                 folder_remove(folder);
 843
 844         if (folder->klass->scan_tree(folder) < 0) {
 845                 if (rebuild)
 846                         folder_add(old_folder);
 847                 return;
 848         } else if (rebuild)
 849                 folder_add(folder);
 850
 851         hookdata.folder = folder;
 852         hookdata.update_flags = FOLDER_TREE_CHANGED;
 853         hookdata.item = NULL;
 854         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 855
 856         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 857         folder_persist_prefs_free(pptable);
 858
 859         prefs_matcher_read_config();
 860
 861         folder_write_list();
 862 }
 863
 864 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 865 {
 866         FolderItem *new_item;
 867
 868         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 869         if (new_item) {
 870                 FolderUpdateData hookdata;
 871
 872                 new_item->cache = msgcache_new();
 873
 874                 hookdata.folder = new_item->folder;
 875                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 876                 hookdata.item = new_item;
 877                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 878         }
 879
 880         return new_item;
 881 }
 882
 883 gint folder_item_rename(FolderItem *item, gchar *newname)
 884 {
 885         gint retval;
 886
 887         g_return_val_if_fail(item != NULL, -1);
 888         g_return_val_if_fail(newname != NULL, -1);
 889
 890         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 891
 892         if (retval >= 0) {
 893                 FolderItemUpdateData hookdata;
 894                 FolderUpdateData hookdata2;
 895
 896                 hookdata.item = item;
 897                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 898                 hookdata.msg = NULL;
 899                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 900
 901                 hookdata2.folder = item->folder;
 902                 hookdata2.item = item;
 903                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
 904                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
 905         }
 906
 907         return retval;
 908 }
 909
 910 struct TotalMsgCount
 911 {
 912         guint new_msgs;
 913         guint unread_msgs;
 914         guint unreadmarked_msgs;
 915         guint marked_msgs;
 916         guint total_msgs;
 917 };
 918
 919 struct FuncToAllFoldersData
 920 {
 921         FolderItemFunc  function;
 922         gpointer        data;
 923 };
 924
 925 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 926 {
 927         FolderItem *item;
 928         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 929
 930         g_return_val_if_fail(node->data != NULL, FALSE);
 931
 932         item = FOLDER_ITEM(node->data);
 933         g_return_val_if_fail(item != NULL, FALSE);
 934
 935         function_data->function(item, function_data->data);
 936
 937         return FALSE;
 938 }
 939
 940 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 941 {
 942         GList *list;
 943         Folder *folder;
 944         struct FuncToAllFoldersData function_data;
 945
 946         function_data.function = function;
 947         function_data.data = data;
 948
 949         for (list = folder_list; list != NULL; list = list->next) {
 950                 folder = FOLDER(list->data);
 951                 if (folder->node)
 952                         g_node_traverse(folder->node, G_PRE_ORDER,
 953                                         G_TRAVERSE_ALL, -1,
 954                                         folder_func_to_all_folders_func,
 955                                         &function_data);
 956         }
 957 }
 958
 959 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 960 {
 961         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 962
 963         count->new_msgs += item->new_msgs;
 964         count->unread_msgs += item->unread_msgs;
 965         count->unreadmarked_msgs += item->unreadmarked_msgs;
 966         count->marked_msgs += item->marked_msgs;
 967         count->total_msgs += item->total_msgs;
 968 }
 969
 970 struct TotalMsgStatus
 971 {
 972         guint new;
 973         guint unread;
 974         guint total;
 975         GString *str;
 976 };
 977
 978 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 979 {
 980         FolderItem *item;
 981         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 982         gchar *id;
 983
 984         g_return_val_if_fail(node->data != NULL, FALSE);
 985
 986         item = FOLDER_ITEM(node->data);
 987
 988         if (!item->path) return FALSE;
 989
 990         status->new += item->new_msgs;
 991         status->unread += item->unread_msgs;
 992         status->total += item->total_msgs;
 993
 994         if (status->str) {
 995                 id = folder_item_get_identifier(item);
 996                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
 997                                   item->new_msgs, item->unread_msgs,
 998                                   item->total_msgs, id);
 999                 g_free(id);
1000         }
1001
1002         return FALSE;
1003  }
1004
1005 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
1006                                        guint *total)
1007 {
1008         GList *list;
1009         Folder *folder;
1010         struct TotalMsgStatus status;
1011
1012         status.new = status.unread = status.total = 0;
1013         status.str = str;
1014
1015         debug_print("Counting total number of messages...\n");
1016
1017         for (list = folder_list; list != NULL; list = list->next) {
1018                 folder = FOLDER(list->data);
1019                 if (folder->node)
1020                         g_node_traverse(folder->node, G_PRE_ORDER,
1021                                         G_TRAVERSE_ALL, -1,
1022                                         folder_get_status_full_all_func,
1023                                         &status);
1024         }
1025
1026         *new = status.new;
1027         *unread = status.unread;
1028         *total = status.total;
1029 }
1030
1031 gchar *folder_get_status(GPtrArray *folders, gboolean full)
1032 {
1033         guint new, unread, total;
1034         GString *str;
1035         gint i;
1036         gchar *ret;
1037
1038         new = unread = total = 0;
1039
1040         str = g_string_new(NULL);
1041
1042         if (folders) {
1043                 for (i = 0; i < folders->len; i++) {
1044                         FolderItem *item;
1045
1046                         item = g_ptr_array_index(folders, i);
1047                         new += item->new_msgs;
1048                         unread += item->unread_msgs;
1049                         total += item->total_msgs;
1050
1051                         if (full) {
1052                                 gchar *id;
1053
1054                                 id = folder_item_get_identifier(item);
1055                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1056                                                   item->new_msgs, item->unread_msgs,
1057                                                   item->total_msgs, id);
1058                                 g_free(id);
1059                         }
1060                 }
1061         } else {
1062                 folder_get_status_full_all(full ? str : NULL,
1063                                            &new, &unread, &total);
1064         }
1065
1066         if (full)
1067                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1068         else
1069                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1070
1071         ret = str->str;
1072         g_string_free(str, FALSE);
1073
1074         return ret;
1075 }
1076
1077 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1078                              guint *unreadmarked_msgs, guint *marked_msgs,
1079                              guint *total_msgs)
1080 {
1081         struct TotalMsgCount count;
1082
1083         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
1084
1085         debug_print("Counting total number of messages...\n");
1086
1087         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1088
1089         *new_msgs = count.new_msgs;
1090         *unread_msgs = count.unread_msgs;
1091         *unreadmarked_msgs = count.unreadmarked_msgs;
1092         *marked_msgs = count.marked_msgs;
1093         *total_msgs = count.total_msgs;
1094 }
1095
1096 Folder *folder_find_from_path(const gchar *path)
1097 {
1098         GList *list;
1099         Folder *folder;
1100
1101         for (list = folder_list; list != NULL; list = list->next) {
1102                 folder = list->data;
1103                 if ((FOLDER_TYPE(folder) == F_MH ||
1104                      FOLDER_TYPE(folder) == F_MBOX) &&
1105                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1106                         return folder;
1107         }
1108
1109         return NULL;
1110 }
1111
1112 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1113 {
1114         GList *list;
1115         Folder *folder;
1116
1117         for (list = folder_list; list != NULL; list = list->next) {
1118                 folder = list->data;
1119                 if (folder->klass == klass &&
1120                     strcmp2(name, folder->name) == 0)
1121                         return folder;
1122         }
1123
1124         return NULL;
1125 }
1126
1127 static gboolean folder_item_find_func(GNode *node, gpointer data)
1128 {
1129         FolderItem *item = node->data;
1130         gpointer *d = data;
1131         const gchar *path = d[0];
1132
1133         if (path_cmp(path, item->path) != 0)
1134                 return FALSE;
1135
1136         d[1] = item;
1137
1138         return TRUE;
1139 }
1140
1141 FolderItem *folder_find_item_from_path(const gchar *path)
1142 {
1143         Folder *folder;
1144         gpointer d[2];
1145
1146         folder = folder_get_default_folder();
1147         g_return_val_if_fail(folder != NULL, NULL);
1148
1149         d[0] = (gpointer)path;
1150         d[1] = NULL;
1151         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1152                         folder_item_find_func, d);
1153         return d[1];
1154 }
1155
1156 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1157 {
1158         GNode *node;
1159         FolderItem *child;
1160
1161         for (node = item->node->children; node != NULL; node = node->next) {
1162                 gchar *base;
1163                 child = FOLDER_ITEM(node->data);
1164                 base = g_path_get_basename(child->path);
1165                 if (strcmp2(base, name) == 0) {
1166                         g_free(base);
1167                         return child;
1168                 }
1169                 g_free(base);
1170         }
1171
1172         return NULL;
1173 }
1174
1175 FolderClass *folder_get_class_from_string(const gchar *str)
1176 {
1177         GSList *classlist;
1178
1179         classlist = folder_get_class_list();
1180         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1181                 FolderClass *class = (FolderClass *) classlist->data;
1182                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1183                         return class;
1184         }
1185
1186         return NULL;
1187 }
1188
1189 gchar *folder_get_identifier(Folder *folder)
1190 {
1191         gchar *type_str;
1192
1193         g_return_val_if_fail(folder != NULL, NULL);
1194
1195         type_str = folder->klass->idstr;
1196         return g_strconcat("#", type_str, "/", folder->name, NULL);
1197 }
1198
1199 gchar *folder_item_get_identifier(FolderItem *item)
1200 {
1201         gchar *id = NULL;
1202         gchar *folder_id = NULL;
1203
1204         g_return_val_if_fail(item != NULL, NULL);
1205
1206         if (item->path == NULL)
1207                 return NULL;
1208
1209         folder_id = folder_get_identifier(item->folder);
1210         id = g_strconcat(folder_id, "/", item->path, NULL);
1211         g_free(folder_id);
1212
1213         return id;
1214 }
1215
1216 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1217 {
1218         Folder *folder;
1219         gpointer d[2];
1220         gchar *str;
1221         gchar *p;
1222         gchar *name;
1223         gchar *path;
1224         FolderClass *class;
1225
1226         g_return_val_if_fail(identifier != NULL, NULL);
1227
1228         if (*identifier != '#')
1229                 return folder_find_item_from_path(identifier);
1230
1231         Xstrdup_a(str, identifier, return NULL);
1232
1233         p = strchr(str, '/');
1234         if (!p)
1235                 return folder_find_item_from_path(identifier);
1236         *p = '\0';
1237         p++;
1238         class = folder_get_class_from_string(&str[1]);
1239         if (class == NULL)
1240                 return folder_find_item_from_path(identifier);
1241
1242         name = p;
1243         p = strchr(p, '/');
1244         if (!p)
1245                 return folder_find_item_from_path(identifier);
1246         *p = '\0';
1247         p++;
1248
1249         folder = folder_find_from_name(name, class);
1250         if (!folder)
1251                 return folder_find_item_from_path(identifier);
1252
1253         path = p;
1254
1255         d[0] = (gpointer)path;
1256         d[1] = NULL;
1257         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1258                         folder_item_find_func, d);
1259         return d[1];
1260 }
1261
1262 /**
1263  * Get a displayable name for a FolderItem
1264  *
1265  * \param item FolderItem for that a name should be created
1266  * \return Displayable name for item, returned string has to
1267  *         be freed
1268  */
1269 gchar *folder_item_get_name(FolderItem *item)
1270 {
1271         gchar *name = NULL;
1272
1273         g_return_val_if_fail(item != NULL, g_strdup(""));
1274
1275         switch (item->stype) {
1276         case F_INBOX:
1277                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1278                                 item->name);
1279                 break;
1280         case F_OUTBOX:
1281                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1282                                 item->name);
1283                 break;
1284         case F_QUEUE:
1285                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1286                                 item->name);
1287                 break;
1288         case F_TRASH:
1289                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1290                                 item->name);
1291                 break;
1292         case F_DRAFT:
1293                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1294                                 item->name);
1295                 break;
1296         default:
1297                 break;
1298         }
1299
1300         if (name == NULL) {
1301                 /*
1302                  * should probably be done by a virtual function,
1303                  * the folder knows the ui string and how to abbrev
1304                 */
1305                 if (folder_item_parent(item) == NULL) {
1306                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1307                 } else {
1308                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1309                             item->path && !strcmp2(item->name, item->path))
1310                                 name = get_abbrev_newsgroup_name
1311                                         (item->path,
1312                                          prefs_common.ng_abbrev_len);
1313                         else
1314                                 name = g_strdup(item->name);
1315                 }
1316         }
1317
1318         if (name == NULL)
1319                 name = g_strdup("");
1320
1321         return name;
1322 }
1323
1324 Folder *folder_get_default_folder(void)
1325 {
1326         return folder_list ? FOLDER(folder_list->data) : NULL;
1327 }
1328
1329 gboolean folder_have_mailbox (void)
1330 {
1331         GList *cur;
1332         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1333                 Folder *folder = FOLDER(cur->data);
1334                 if (folder->inbox && folder->outbox)
1335                         return TRUE;
1336         }
1337         return FALSE;
1338 }
1339
1340 FolderItem *folder_get_default_inbox(void)
1341 {
1342         GList *flist;
1343
1344         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1345                 Folder * folder = FOLDER(flist->data);
1346
1347                 if (folder == NULL)
1348                         continue;
1349                 if (folder->inbox == NULL)
1350                         continue;
1351                 if (folder->klass->type == F_UNKNOWN)
1352                         continue;
1353
1354                 return folder->inbox;
1355         }
1356
1357         return NULL;
1358 }
1359
1360 FolderItem *folder_get_default_outbox(void)
1361 {
1362         GList *flist;
1363
1364         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1365                 Folder * folder = FOLDER(flist->data);
1366
1367                 if (folder == NULL)
1368                         continue;
1369                 if (folder->outbox == NULL)
1370                         continue;
1371                 if (folder->klass->type == F_UNKNOWN)
1372                         continue;
1373
1374                 return folder->outbox;
1375         }
1376
1377         return NULL;
1378 }
1379
1380 FolderItem *folder_get_default_draft(void)
1381 {
1382         GList *flist;
1383
1384         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1385                 Folder * folder = FOLDER(flist->data);
1386
1387                 if (folder == NULL)
1388                         continue;
1389                 if (folder->draft == NULL)
1390                         continue;
1391                 if (folder->klass->type == F_UNKNOWN)
1392                         continue;
1393
1394                 return folder->draft;
1395         }
1396
1397         return NULL;
1398 }
1399
1400 FolderItem *folder_get_default_queue(void)
1401 {
1402         GList *flist;
1403
1404         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1405                 Folder * folder = FOLDER(flist->data);
1406
1407                 if (folder == NULL)
1408                         continue;
1409                 if (folder->queue == NULL)
1410                         continue;
1411                 if (folder->klass->type == F_UNKNOWN)
1412                         continue;
1413
1414                 return folder->queue;
1415         }
1416
1417         return NULL;
1418 }
1419
1420 FolderItem *folder_get_default_trash(void)
1421 {
1422         GList *flist;
1423
1424         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1425                 Folder * folder = FOLDER(flist->data);
1426
1427                 if (folder == NULL)
1428                         continue;
1429                 if (folder->trash == NULL)
1430                         continue;
1431                 if (folder->klass->type == F_UNKNOWN)
1432                         continue;
1433
1434                 return folder->trash;
1435         }
1436
1437         return NULL;
1438 }
1439
1440 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1441 {                                                               \
1442         if (!folder->member) {                                  \
1443                 item = folder_item_new(folder, dir, dir);       \
1444                 item->stype = type;                             \
1445                 folder_item_append(rootitem, item);             \
1446                 folder->member = item;                          \
1447         }                                                       \
1448 }
1449
1450 void folder_set_missing_folders(void)
1451 {
1452         Folder *folder;
1453         FolderItem *rootitem;
1454         FolderItem *item;
1455         GList *list;
1456
1457         for (list = folder_list; list != NULL; list = list->next) {
1458                 folder = list->data;
1459                 if (FOLDER_TYPE(folder) != F_MH) continue;
1460                 rootitem = FOLDER_ITEM(folder->node->data);
1461                 g_return_if_fail(rootitem != NULL);
1462
1463                 if (folder->inbox && folder->outbox && folder->draft &&
1464                     folder->queue && folder->trash)
1465                         continue;
1466
1467                 if (folder->klass->create_tree(folder) < 0) {
1468                         g_warning("%s: can't create the folder tree.\n",
1469                                   LOCAL_FOLDER(folder)->rootpath);
1470                         continue;
1471                 }
1472
1473                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1474                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1475                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1476                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1477                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1478         }
1479 }
1480
1481 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1482 {
1483         FolderItem *item = node->data;
1484         PrefsAccount *account = data;
1485
1486         if (item->account == account)
1487                 item->account = NULL;
1488
1489         return FALSE;
1490 }
1491
1492 void folder_unref_account_all(PrefsAccount *account)
1493 {
1494         Folder *folder;
1495         GList *list;
1496
1497         if (!account) return;
1498
1499         for (list = folder_list; list != NULL; list = list->next) {
1500                 folder = list->data;
1501                 if (folder->account == account)
1502                         folder->account = NULL;
1503                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1504                                 folder_unref_account_func, account);
1505         }
1506 }
1507
1508 #undef CREATE_FOLDER_IF_NOT_EXIST
1509
1510 gchar *folder_item_get_path(FolderItem *item)
1511 {
1512         Folder *folder;
1513
1514         g_return_val_if_fail(item != NULL, NULL);
1515         folder = item->folder;
1516         g_return_val_if_fail(folder != NULL, NULL);
1517
1518         return folder->klass->item_get_path(folder, item);
1519 }
1520
1521 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1522 {
1523         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1524               folder_has_parent_of_type(dest, F_QUEUE)  ||
1525               folder_has_parent_of_type(dest, F_DRAFT) ||
1526               folder_has_parent_of_type(dest, F_TRASH))) {
1527                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1528         } else {
1529                 flags->perm_flags = 0;
1530         }
1531         if (FOLDER_TYPE(dest->folder) == F_MH) {
1532                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1533                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1534                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1535                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1536                 }
1537         }
1538 }
1539
1540 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1541 {
1542         MsgInfo *msginfo_a = (MsgInfo *) a;
1543         MsgInfo *msginfo_b = (MsgInfo *) b;
1544
1545         return (msginfo_a->msgnum - msginfo_b->msgnum);
1546 }
1547
1548 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1549 {
1550         guint gint_a = GPOINTER_TO_INT(a);
1551         guint gint_b = GPOINTER_TO_INT(b);
1552
1553         return (gint_a - gint_b);
1554 }
1555
1556 void folder_item_process_open (FolderItem *item,
1557                                  void (*before_proc_func)(gpointer data),
1558                                  void (*after_proc_func)(gpointer data),
1559                                  gpointer data)
1560 {
1561         gchar *buf;
1562         if (item == NULL)
1563                 return;
1564         if((item->folder->klass->scan_required != NULL) &&
1565            (item->folder->klass->scan_required(item->folder, item))) {
1566                 folder_item_scan_full(item, TRUE);
1567         } else {
1568                 folder_item_syncronize_flags(item);
1569         }
1570
1571         /* Processing */
1572         buf = g_strdup_printf(_("Processing (%s)...\n"),
1573                               item->path ? item->path : item->name);
1574         g_free(buf);
1575
1576         if (before_proc_func)
1577                 before_proc_func(data);
1578
1579         folder_item_apply_processing(item);
1580
1581         if (after_proc_func)
1582                 after_proc_func(data);
1583
1584         item->processing_pending = FALSE;
1585         return;
1586 }
1587
1588 gint folder_item_open(FolderItem *item)
1589 {
1590         START_TIMING("");
1591         if (item->no_select)
1592                 return -1;
1593
1594         if (item->scanning) {
1595                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
1596                 return -2;
1597         }
1598
1599         item->processing_pending = TRUE;
1600         folder_item_process_open (item, NULL, NULL, NULL);
1601
1602         item->opened = TRUE;
1603         END_TIMING();
1604         return 0;
1605 }
1606
1607 gint folder_item_close(FolderItem *item)
1608 {
1609         GSList *mlist, *cur;
1610         Folder *folder;
1611
1612         g_return_val_if_fail(item != NULL, -1);
1613
1614         if (item->no_select)
1615                 return -1;
1616
1617         if (item->new_msgs) {
1618                 folder_item_update_freeze();
1619                 mlist = folder_item_get_msg_list(item);
1620                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1621                         MsgInfo * msginfo;
1622
1623                         msginfo = (MsgInfo *) cur->data;
1624                         if (MSG_IS_NEW(msginfo->flags))
1625                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1626                         procmsg_msginfo_free(msginfo);
1627                 }
1628                 g_slist_free(mlist);
1629                 folder_item_update_thaw();
1630         }
1631
1632         folder_item_write_cache(item);
1633
1634         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1635
1636         item->opened = FALSE;
1637         folder = item->folder;
1638
1639         if (folder->klass->close == NULL)
1640                 return 0;
1641
1642         return folder->klass->close(folder, item);
1643 }
1644
1645 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1646 {
1647         MsgInfoList *msglist = NULL;
1648         Folder *folder = item->folder;
1649         if (item->no_select)
1650                 return NULL;
1651
1652         if (folder->klass->get_msginfos != NULL)
1653                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1654         else {
1655                 MsgNumberList *elem;
1656
1657                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1658                         MsgInfo *msginfo;
1659                         guint num;
1660
1661                         num = GPOINTER_TO_INT(elem->data);
1662                         msginfo = folder->klass->get_msginfo(folder, item, num);
1663                         if (msginfo != NULL)
1664                                 msglist = g_slist_prepend(msglist, msginfo);
1665                 }
1666         }
1667
1668         return msglist;
1669 }
1670
1671 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1672 {
1673         MsgNumberList numlist;
1674         MsgInfoList *msglist;
1675         MsgInfo *msginfo = NULL;
1676
1677         numlist.data = GINT_TO_POINTER(num);
1678         numlist.next = NULL;
1679         msglist = get_msginfos(item, &numlist);
1680         if (msglist != NULL)
1681                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1682         procmsg_msg_list_free(msglist);
1683
1684         return msginfo;
1685 }
1686
1687 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1688 {
1689         GRelation *relation;
1690         gint ret = 0;
1691         GSList *cur;
1692
1693         if(msglist == NULL)
1694                 return 0;
1695         if(item->folder->klass->get_flags == NULL)
1696                 return 0;
1697         if (item->no_select)
1698                 return 0;
1699
1700         relation = g_relation_new(2);
1701         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1702         folder_item_set_batch(item, TRUE);
1703         if ((ret = item->folder->klass->get_flags(
1704             item->folder, item, msglist, relation)) == 0) {
1705                 GTuples *tuples;
1706                 MsgInfo *msginfo;
1707                 MsgPermFlags permflags = 0;
1708                 gboolean skip;
1709
1710                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1711                         msginfo = (MsgInfo *) cur->data;
1712
1713                         tuples = g_relation_select(relation, msginfo, 0);
1714                         skip = tuples->len < 1;
1715                         if (!skip)
1716                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1717                         g_tuples_destroy(tuples);
1718                         if (skip)
1719                                 continue;
1720
1721                         if (msginfo->flags.perm_flags != permflags) {
1722                                 procmsg_msginfo_change_flags(msginfo,
1723                                         permflags & ~msginfo->flags.perm_flags, 0,
1724                                         ~permflags & msginfo->flags.perm_flags, 0);
1725                         }
1726                 }
1727         }
1728         folder_item_set_batch(item, FALSE);
1729         g_relation_destroy(relation);
1730
1731         return ret;
1732 }
1733
1734 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1735 {
1736         Folder *folder;
1737         GSList *folder_list = NULL, *cache_list = NULL;
1738         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1739         GSList *exists_list = NULL, *elem;
1740         GSList *newmsg_list = NULL;
1741         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1742         guint markedcnt = 0, unreadmarkedcnt = 0;
1743         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1744         gboolean update_flags = 0, old_uids_valid = FALSE;
1745         GHashTable *subject_table = NULL;
1746
1747         g_return_val_if_fail(item != NULL, -1);
1748         if (item->path == NULL) return -1;
1749
1750         folder = item->folder;
1751
1752         g_return_val_if_fail(folder != NULL, -1);
1753         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1754
1755         item->scanning = TRUE;
1756
1757         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1758
1759         /* Get list of messages for folder and cache */
1760         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1761                 debug_print("Error fetching list of message numbers\n");
1762                 item->scanning = FALSE;
1763                 return(-1);
1764         }
1765
1766         if(prefs_common.thread_by_subject) {
1767                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1768         }
1769
1770         if (old_uids_valid) {
1771                 if (!item->cache)
1772                         folder_item_read_cache(item);
1773                 cache_list = msgcache_get_msg_list(item->cache);
1774         } else {
1775                 if (item->cache)
1776                         msgcache_destroy(item->cache);
1777                 item->cache = msgcache_new();
1778                 cache_list = NULL;
1779         }
1780
1781         /* Sort both lists */
1782         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1783         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1784
1785         cache_list_cur = cache_list;
1786         folder_list_cur = folder_list;
1787
1788         if (cache_list_cur != NULL) {
1789                 GSList *cache_list_last;
1790
1791                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1792                 cache_list_last = g_slist_last(cache_list);
1793                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1794         } else {
1795                 cache_cur_num = G_MAXINT;
1796                 cache_max_num = 0;
1797         }
1798
1799         if (folder_list_cur != NULL) {
1800                 GSList *folder_list_last;
1801
1802                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1803                 folder_list_last = g_slist_last(folder_list);
1804                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1805         } else {
1806                 folder_cur_num = G_MAXINT;
1807                 folder_max_num = 0;
1808         }
1809
1810         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1811                 /*
1812                  *  Message only exists in the folder
1813                  *  Remember message for fetching
1814                  */
1815                 if (folder_cur_num < cache_cur_num) {
1816                         gboolean add = FALSE;
1817
1818                         switch(FOLDER_TYPE(folder)) {
1819                                 case F_NEWS:
1820                                         if (folder_cur_num < cache_max_num)
1821                                                 break;
1822
1823                                         if (folder->account->max_articles == 0) {
1824                                                 add = TRUE;
1825                                         }
1826
1827                                         if (folder_max_num <= folder->account->max_articles) {
1828                                                 add = TRUE;
1829                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1830                                                 add = TRUE;
1831                                         }
1832                                         break;
1833                                 default:
1834                                         add = TRUE;
1835                                         break;
1836                         }
1837
1838                         if (add) {
1839                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1840                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1841                         }
1842
1843                         /* Move to next folder number */
1844                         folder_list_cur = folder_list_cur->next;
1845
1846                         if (folder_list_cur != NULL)
1847                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1848                         else
1849                                 folder_cur_num = G_MAXINT;
1850
1851                         continue;
1852                 }
1853
1854                 /*
1855                  *  Message only exists in the cache
1856                  *  Remove the message from the cache
1857                  */
1858                 if (cache_cur_num < folder_cur_num) {
1859                         msgcache_remove_msg(item->cache, cache_cur_num);
1860                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1861
1862                         /* Move to next cache number */
1863                         cache_list_cur = cache_list_cur->next;
1864
1865                         if (cache_list_cur != NULL)
1866                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1867                         else
1868                                 cache_cur_num = G_MAXINT;
1869
1870                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1871
1872                         continue;
1873                 }
1874
1875                 /*
1876                  *  Message number exists in folder and cache!
1877                  *  Check if the message has been modified
1878                  */
1879                 if (cache_cur_num == folder_cur_num) {
1880                         MsgInfo *msginfo;
1881
1882                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1883                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1884                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1885                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1886                                 procmsg_msginfo_free(msginfo);
1887
1888                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1889                         } else {
1890                                 exists_list = g_slist_prepend(exists_list, msginfo);
1891
1892                                 if(prefs_common.thread_by_subject &&
1893                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1894                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1895                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1896                                 }
1897                         }
1898
1899                         /* Move to next folder and cache number */
1900                         cache_list_cur = cache_list_cur->next;
1901                         folder_list_cur = folder_list_cur->next;
1902
1903                         if (cache_list_cur != NULL)
1904                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1905                         else
1906                                 cache_cur_num = G_MAXINT;
1907
1908                         if (folder_list_cur != NULL)
1909                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1910                         else
1911                                 folder_cur_num = G_MAXINT;
1912
1913                         continue;
1914                 }
1915         }
1916
1917         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1918                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1919
1920         g_slist_free(cache_list);
1921         g_slist_free(folder_list);
1922
1923         if (new_list != NULL) {
1924                 GSList *tmp_list = NULL;
1925                 newmsg_list = get_msginfos(item, new_list);
1926                 g_slist_free(new_list);
1927                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
1928                 syncronize_flags(item, tmp_list);
1929                 g_slist_free(tmp_list);
1930         } else {
1931                 syncronize_flags(item, exists_list);
1932         }
1933
1934         folder_item_update_freeze();
1935         if (newmsg_list != NULL) {
1936                 GSList *elem, *to_filter = NULL;
1937                 gboolean do_filter = (filtering == TRUE) &&
1938                                         (item->stype == F_INBOX) &&
1939                                         (item->folder->account != NULL) &&
1940                                         (item->folder->account->filter_on_recv);
1941
1942                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1943                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1944
1945                         msgcache_add_msg(item->cache, msginfo);
1946                         if (!do_filter) {
1947                                 exists_list = g_slist_prepend(exists_list, msginfo);
1948
1949                                 if(prefs_common.thread_by_subject &&
1950                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1951                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1952                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1953                                 }
1954                         }
1955                 }
1956
1957                 if (do_filter) {
1958                         GSList *unfiltered;
1959                         procmsg_msglist_filter(newmsg_list, item->folder->account,
1960                                         &to_filter, &unfiltered,
1961                                         TRUE);
1962
1963                         filtering_move_and_copy_msgs(newmsg_list);
1964                         if (to_filter != NULL) {
1965                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
1966                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
1967                                         procmsg_msginfo_free(msginfo);
1968                                 }
1969                                 g_slist_free(to_filter);
1970                         }
1971                         if (unfiltered != NULL) {
1972                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
1973                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
1974                                         exists_list = g_slist_prepend(exists_list, msginfo);
1975
1976                                         if(prefs_common.thread_by_subject &&
1977                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1978                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
1979                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
1980                                         }
1981                                 }
1982                                 g_slist_free(unfiltered);
1983                         }
1984                 }
1985
1986                 g_slist_free(newmsg_list);
1987
1988                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1989         }
1990
1991         folder_item_set_batch(item, TRUE);
1992         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1993                 MsgInfo *msginfo, *parent_msginfo;
1994
1995                 msginfo = elem->data;
1996                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1997                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1998                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1999                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2000                 }
2001                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2002                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2003                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2004                 {
2005                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2006                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2007                                                 MSG_NEW | MSG_UNREAD, 0);
2008                         }
2009                 }
2010                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2011                      folder_has_parent_of_type(item, F_QUEUE)  ||
2012                      folder_has_parent_of_type(item, F_DRAFT)  ||
2013                      folder_has_parent_of_type(item, F_TRASH)) &&
2014                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2015                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2016                 if (MSG_IS_NEW(msginfo->flags))
2017                         newcnt++;
2018                 if (MSG_IS_UNREAD(msginfo->flags))
2019                         unreadcnt++;
2020                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2021                         unreadmarkedcnt++;
2022                 if (MSG_IS_MARKED(msginfo->flags))
2023                         markedcnt++;
2024
2025                 totalcnt++;
2026
2027                 procmsg_msginfo_free(msginfo);
2028         }
2029         folder_item_set_batch(item, FALSE);
2030         g_slist_free(exists_list);
2031
2032         if(prefs_common.thread_by_subject) {
2033                 g_hash_table_destroy(subject_table);
2034         }
2035
2036         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2037         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2038         ||  item->unreadmarked_msgs != unreadmarkedcnt) {
2039                 update_flags |= F_ITEM_UPDATE_CONTENT;
2040         }
2041
2042         item->new_msgs = newcnt;
2043         item->unread_msgs = unreadcnt;
2044         item->total_msgs = totalcnt;
2045         item->unreadmarked_msgs = unreadmarkedcnt;
2046         item->marked_msgs = markedcnt;
2047
2048         update_flags |= F_ITEM_UPDATE_MSGCNT;
2049
2050         folder_item_update(item, update_flags);
2051         folder_item_update_thaw();
2052
2053         item->scanning = FALSE;
2054
2055         return 0;
2056 }
2057
2058 gint folder_item_scan(FolderItem *item)
2059 {
2060         return folder_item_scan_full(item, TRUE);
2061 }
2062
2063 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
2064 {
2065         FolderItem *item = node->data;
2066
2067         folder_item_scan(item);
2068
2069         return FALSE;
2070 }
2071
2072 void folder_scan_all_items(Folder * folder)
2073 {
2074         g_node_traverse(folder->node, G_PRE_ORDER,
2075                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
2076 }
2077
2078 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
2079                                           gpointer data)
2080 {
2081         folder_item_scan(FOLDER_ITEM(key));
2082 }
2083
2084 void folder_item_scan_foreach(GHashTable *table)
2085 {
2086         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
2087 }
2088
2089 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2090 {
2091         gint *memusage = (gint *)data;
2092
2093         if (item->cache == NULL)
2094                 return;
2095
2096         *memusage += msgcache_get_memory_usage(item->cache);
2097 }
2098
2099 gint folder_item_syncronize_flags(FolderItem *item)
2100 {
2101         MsgInfoList *msglist = NULL;
2102         GSList *cur;
2103         gint ret = 0;
2104
2105         g_return_val_if_fail(item != NULL, -1);
2106         g_return_val_if_fail(item->folder != NULL, -1);
2107         g_return_val_if_fail(item->folder->klass != NULL, -1);
2108         if (item->no_select)
2109                 return -1;
2110
2111         item->scanning = TRUE;
2112
2113         if (item->cache == NULL)
2114                 folder_item_read_cache(item);
2115
2116         msglist = msgcache_get_msg_list(item->cache);
2117
2118         ret = syncronize_flags(item, msglist);
2119
2120         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
2121                 procmsg_msginfo_free((MsgInfo *) cur->data);
2122
2123         g_slist_free(msglist);
2124
2125         item->scanning = FALSE;
2126
2127         return ret;
2128 }
2129
2130 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2131 {
2132         FolderItem *fa = (FolderItem *)a;
2133         FolderItem *fb = (FolderItem *)b;
2134
2135         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2136 }
2137
2138 void folder_find_expired_caches(FolderItem *item, gpointer data)
2139 {
2140         GSList **folder_item_list = (GSList **)data;
2141         gint difftime, expiretime;
2142
2143         if (item->cache == NULL)
2144                 return;
2145
2146         if (item->opened > 0)
2147                 return;
2148
2149         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2150         expiretime = prefs_common.cache_min_keep_time * 60;
2151         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2152
2153         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2154                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2155         }
2156 }
2157
2158 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2159 {
2160         g_return_val_if_fail(item != NULL, TRUE);
2161
2162         if (item->cache == NULL)
2163                 return TRUE;
2164
2165         if (item->opened > 0 && !force)
2166                 return FALSE;
2167
2168         folder_item_write_cache(item);
2169         msgcache_destroy(item->cache);
2170         item->cache = NULL;
2171         return TRUE;
2172 }
2173
2174 void folder_clean_cache_memory_force(void)
2175 {
2176         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2177         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2178
2179         prefs_common.cache_max_mem_usage = 0;
2180         prefs_common.cache_min_keep_time = 0;
2181
2182         folder_clean_cache_memory(NULL);
2183
2184         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2185         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2186 }
2187
2188 void folder_clean_cache_memory(FolderItem *protected_item)
2189 {
2190         gint memusage = 0;
2191
2192         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2193         debug_print("Total cache memory usage: %d\n", memusage);
2194
2195         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2196                 GSList *folder_item_list = NULL, *listitem;
2197
2198                 debug_print("Trying to free cache memory\n");
2199
2200                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2201                 listitem = folder_item_list;
2202                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2203                         FolderItem *item = (FolderItem *)(listitem->data);
2204                         gint cache_size = 0;
2205                         if (item == protected_item) {
2206                                 listitem = listitem->next;
2207                                 continue;
2208                         }
2209                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2210                         cache_size = msgcache_get_memory_usage(item->cache);
2211                         if (folder_item_free_cache(item, FALSE))
2212                                 memusage -= cache_size;
2213
2214                         listitem = listitem->next;
2215                 }
2216                 g_slist_free(folder_item_list);
2217         }
2218 }
2219
2220 void folder_item_read_cache(FolderItem *item)
2221 {
2222         gchar *cache_file, *mark_file;
2223         START_TIMING("");
2224         g_return_if_fail(item != NULL);
2225
2226         if (item->path != NULL) {
2227                 cache_file = folder_item_get_cache_file(item);
2228                 mark_file = folder_item_get_mark_file(item);
2229                 item->cache = msgcache_read_cache(item, cache_file);
2230                 if (!item->cache) {
2231                         MsgInfoList *list, *cur;
2232                         guint newcnt = 0, unreadcnt = 0;
2233                         guint markedcnt = 0, unreadmarkedcnt = 0;
2234                         MsgInfo *msginfo;
2235
2236                         item->cache = msgcache_new();
2237                         folder_item_scan_full(item, TRUE);
2238
2239                         msgcache_read_mark(item->cache, mark_file);
2240
2241                         list = msgcache_get_msg_list(item->cache);
2242                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2243                                 msginfo = cur->data;
2244
2245                                 if (MSG_IS_NEW(msginfo->flags))
2246                                         newcnt++;
2247                                 if (MSG_IS_UNREAD(msginfo->flags))
2248                                         unreadcnt++;
2249                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2250                                         unreadmarkedcnt++;
2251                                 if (MSG_IS_MARKED(msginfo->flags))
2252                                         markedcnt++;
2253                         }
2254                         item->new_msgs = newcnt;
2255                         item->unread_msgs = unreadcnt;
2256                         item->unreadmarked_msgs = unreadmarkedcnt;
2257                         item->marked_msgs = markedcnt;
2258                         procmsg_msg_list_free(list);
2259                 } else
2260                         msgcache_read_mark(item->cache, mark_file);
2261
2262                 g_free(cache_file);
2263                 g_free(mark_file);
2264         } else {
2265                 item->cache = msgcache_new();
2266         }
2267         END_TIMING();
2268         folder_clean_cache_memory(item);
2269 }
2270
2271 void folder_item_write_cache(FolderItem *item)
2272 {
2273         gchar *cache_file, *mark_file;
2274         FolderItemPrefs *prefs;
2275         gint filemode = 0;
2276         gchar *id;
2277         time_t last_mtime = (time_t)0;
2278         gboolean need_scan = FALSE;
2279
2280         if (!item || !item->path || !item->cache)
2281                 return;
2282
2283         if (FOLDER_TYPE(item->folder) == F_MH) {
2284                 last_mtime = item->mtime;
2285                 need_scan = item->folder->klass->scan_required(item->folder, item);
2286         }
2287
2288         id = folder_item_get_identifier(item);
2289         debug_print("Save cache for folder %s\n", id);
2290         g_free(id);
2291
2292         cache_file = folder_item_get_cache_file(item);
2293         mark_file = folder_item_get_mark_file(item);
2294         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2295                 prefs = item->prefs;
2296                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2297                         /* for cache file */
2298                         filemode = prefs->folder_chmod;
2299                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2300                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2301                         chmod(cache_file, filemode);
2302                 }
2303         }
2304
2305         if (!need_scan && FOLDER_TYPE(item->folder) == F_MH) {
2306                 if (item->mtime == last_mtime) {
2307                         mh_set_mtime(item);
2308                 }
2309         }
2310
2311         g_free(cache_file);
2312         g_free(mark_file);
2313 }
2314
2315 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2316 {
2317         Folder *folder;
2318         MsgInfo *msginfo = NULL;
2319
2320         g_return_val_if_fail(item != NULL, NULL);
2321         if (item->no_select)
2322                 return NULL;
2323         folder = item->folder;
2324         if (!item->cache)
2325                 folder_item_read_cache(item);
2326
2327         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2328                 return msginfo;
2329
2330         msginfo = get_msginfo(item, num);
2331         if (msginfo != NULL) {
2332                 msgcache_add_msg(item->cache, msginfo);
2333                 return msginfo;
2334         }
2335
2336         return NULL;
2337 }
2338
2339 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2340 {
2341         Folder *folder;
2342         MsgInfo *msginfo;
2343
2344         g_return_val_if_fail(item != NULL, NULL);
2345         g_return_val_if_fail(msgid != NULL, NULL);
2346         if (item->no_select)
2347                 return FALSE;
2348
2349         folder = item->folder;
2350         if (!item->cache)
2351                 folder_item_read_cache(item);
2352
2353         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2354                 return msginfo;
2355
2356         return NULL;
2357 }
2358
2359 GSList *folder_item_get_msg_list(FolderItem *item)
2360 {
2361         g_return_val_if_fail(item != NULL, NULL);
2362         if (item->no_select)
2363                 return FALSE;
2364
2365         if (item->cache == 0)
2366                 folder_item_read_cache(item);
2367
2368         g_return_val_if_fail(item->cache != NULL, NULL);
2369
2370         return msgcache_get_msg_list(item->cache);
2371 }
2372
2373 void msginfo_set_mime_flags(GNode *node, gpointer data)
2374 {
2375         MsgInfo *msginfo = data;
2376         MimeInfo *mimeinfo = node->data;
2377
2378         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2379          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2380                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2381         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2382                  mimeinfo->type != MIMETYPE_TEXT &&
2383                  mimeinfo->type != MIMETYPE_MULTIPART) {
2384                 if (!mimeinfo->subtype
2385                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2386                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2387         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2388                 strcmp(mimeinfo->subtype, "pgp-signature") &&
2389                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2390                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2391                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2392         }
2393
2394         /* don't descend below top level message for signed and encrypted info */
2395         if (mimeinfo->type == MIMETYPE_MESSAGE)
2396                 return;
2397
2398         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2399                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2400         }
2401
2402         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2403                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2404         } else {
2405                 /* searching inside encrypted parts doesn't really make sense */
2406                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2407         }
2408 }
2409
2410 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2411 {
2412         Folder *folder;
2413         gchar *msgfile;
2414         MsgInfo *msginfo;
2415
2416         g_return_val_if_fail(item != NULL, NULL);
2417
2418         folder = item->folder;
2419
2420         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2421         if (item->no_select)
2422                 return NULL;
2423
2424         msgfile = folder->klass->fetch_msg(folder, item, num);
2425
2426         if (msgfile != NULL) {
2427                 msginfo = folder_item_get_msginfo(item, num);
2428                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2429                         MimeInfo *mimeinfo;
2430
2431                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2432                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2433                                 mimeinfo = procmime_scan_file(msgfile);
2434                         else
2435                                 mimeinfo = procmime_scan_queue_file(msgfile);
2436                         /* check for attachments */
2437                         if (mimeinfo != NULL) {
2438                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2439                                 procmime_mimeinfo_free_all(mimeinfo);
2440
2441                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2442                         }
2443                 }
2444                 procmsg_msginfo_free(msginfo);
2445         }
2446
2447         return msgfile;
2448 }
2449
2450 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2451                                   gboolean body)
2452 {
2453         Folder *folder;
2454         gchar *msgfile;
2455         MsgInfo *msginfo;
2456
2457         g_return_val_if_fail(item != NULL, NULL);
2458         if (item->no_select)
2459                 return NULL;
2460
2461         folder = item->folder;
2462
2463         if (folder->klass->fetch_msg_full == NULL)
2464                 return folder_item_fetch_msg(item, num);
2465
2466         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2467                                                 headers, body);
2468
2469         if (msgfile != NULL) {
2470                 msginfo = folder_item_get_msginfo(item, num);
2471                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2472                         MimeInfo *mimeinfo;
2473
2474                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2475                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2476                                 mimeinfo = procmime_scan_file(msgfile);
2477                         else
2478                                 mimeinfo = procmime_scan_queue_file(msgfile);
2479                         /* check for attachments */
2480                         if (mimeinfo != NULL) {
2481                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2482                                 procmime_mimeinfo_free_all(mimeinfo);
2483
2484                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2485                         }
2486                 }
2487                 procmsg_msginfo_free(msginfo);
2488         }
2489
2490         return msgfile;
2491 }
2492
2493
2494 gint folder_item_fetch_all_msg(FolderItem *item)
2495 {
2496         Folder *folder;
2497         GSList *mlist;
2498         GSList *cur;
2499         gint num = 0;
2500         gint ret = 0;
2501         gint total = 0;
2502
2503         g_return_val_if_fail(item != NULL, -1);
2504         if (item->no_select)
2505                 return -1;
2506
2507         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2508         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2509
2510         folder = item->folder;
2511
2512         if (folder->ui_func)
2513                 folder->ui_func(folder, item, folder->ui_func_data ?
2514                                 folder->ui_func_data : GINT_TO_POINTER(num));
2515
2516         mlist = folder_item_get_msg_list(item);
2517
2518         total = g_slist_length(mlist);
2519
2520         for (cur = mlist; cur != NULL; cur = cur->next) {
2521                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2522                 gchar *msg;
2523
2524                 statusbar_progress_all(num++,total, 10);
2525
2526                 if (folder->ui_func)
2527                         folder->ui_func(folder, item,
2528                                         folder->ui_func_data ?
2529                                         folder->ui_func_data :
2530                                         GINT_TO_POINTER(num));
2531
2532                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2533                 if (!msg) {
2534                         g_warning("Can't fetch message %d. Aborting.\n",
2535                                   msginfo->msgnum);
2536                         ret = -1;
2537                         break;
2538                 }
2539                 g_free(msg);
2540         }
2541
2542         statusbar_progress_all(0,0,0);
2543         statusbar_pop_all();
2544         procmsg_msg_list_free(mlist);
2545
2546         return ret;
2547 }
2548
2549 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2550 {
2551         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2552                                        {NULL,           NULL, FALSE}};
2553         FILE *fp;
2554         MsgInfo *msginfo;
2555         gint msgnum = 0;
2556         gchar buf[BUFFSIZE];
2557
2558         if ((fp = g_fopen(file, "rb")) == NULL)
2559                 return 0;
2560
2561         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2562             (folder_has_parent_of_type(dest, F_DRAFT)))
2563                 while (fgets(buf, sizeof(buf), fp) != NULL)
2564                         if (buf[0] == '\r' || buf[0] == '\n') break;
2565
2566         procheader_get_header_fields(fp, hentry);
2567         if (hentry[0].body) {
2568                 extract_parenthesis(hentry[0].body, '<', '>');
2569                 remove_space(hentry[0].body);
2570                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2571                         msgnum = msginfo->msgnum;
2572                         procmsg_msginfo_free(msginfo);
2573
2574                         debug_print("found message as uid %d\n", msgnum);
2575                 }
2576         }
2577
2578         g_free(hentry[0].body);
2579         hentry[0].body = NULL;
2580         fclose(fp);
2581
2582         return msgnum;
2583 }
2584
2585 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2586 {
2587         MsgPermFlags perm_flags = 0;
2588         MsgTmpFlags tmp_flags = 0;
2589
2590         /* create new flags */
2591         if (source != NULL) {
2592                 /* copy original flags */
2593                 perm_flags = source->flags.perm_flags;
2594                 tmp_flags = source->flags.tmp_flags;
2595         } else {
2596                 perm_flags = dest->flags.perm_flags;
2597                 tmp_flags = dest->flags.tmp_flags;
2598         }
2599
2600         /* remove new, unread and deleted in special folders */
2601         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2602             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2603             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2604             folder_has_parent_of_type(dest->folder, F_TRASH))
2605                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2606
2607         /* set ignore flag of ignored parent exists */
2608         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2609                 perm_flags |= MSG_IGNORE_THREAD;
2610
2611         /* Unset tmp flags that should not be copied */
2612         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
2613
2614         /* unset flags that are set but should not */
2615         /* and set new flags */
2616         procmsg_msginfo_change_flags(dest,
2617                                   ~dest->flags.perm_flags & perm_flags,
2618                                   ~dest->flags.tmp_flags  & tmp_flags,
2619                                    dest->flags.perm_flags & ~perm_flags,
2620                                    dest->flags.tmp_flags  & ~tmp_flags);
2621 }
2622
2623 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2624 {
2625         /* update folder stats */
2626         if (MSG_IS_NEW(newmsginfo->flags))
2627                 item->new_msgs++;
2628         if (MSG_IS_UNREAD(newmsginfo->flags))
2629                 item->unread_msgs++;
2630         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2631                 item->unreadmarked_msgs++;
2632         if (MSG_IS_MARKED(newmsginfo->flags))
2633                 item->marked_msgs++;
2634         item->total_msgs++;
2635
2636         folder_item_update_freeze();
2637
2638         if (!item->cache)
2639                 folder_item_read_cache(item);
2640
2641         msgcache_add_msg(item->cache, newmsginfo);
2642         copy_msginfo_flags(flagsource, newmsginfo);
2643         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2644         folder_item_update_thaw();
2645 }
2646
2647 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2648 {
2649         MsgInfoUpdate msginfo_update;
2650
2651         if (!item->cache)
2652                 folder_item_read_cache(item);
2653
2654         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2655                 msginfo->folder->new_msgs--;
2656         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2657                 msginfo->folder->unread_msgs--;
2658         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2659                 msginfo->folder->unreadmarked_msgs--;
2660         if (MSG_IS_MARKED(msginfo->flags))
2661                 item->marked_msgs--;
2662
2663         msginfo->folder->total_msgs--;
2664
2665         msginfo_update.msginfo = msginfo;
2666         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2667         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2668
2669         msgcache_remove_msg(item->cache, msginfo->msgnum);
2670         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2671 }
2672
2673 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2674                          MsgFlags *flags, gboolean remove_source)
2675 {
2676         GSList file_list;
2677         MsgFileInfo fileinfo;
2678
2679         g_return_val_if_fail(dest != NULL, -1);
2680         g_return_val_if_fail(file != NULL, -1);
2681
2682         fileinfo.msginfo = NULL;
2683         fileinfo.file = (gchar *)file;
2684         fileinfo.flags = flags;
2685         file_list.data = &fileinfo;
2686         file_list.next = NULL;
2687
2688         return folder_item_add_msgs(dest, &file_list, remove_source);
2689 }
2690
2691 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2692                           gboolean remove_source)
2693 {
2694         Folder *folder;
2695         gint ret, num, lastnum = -1;
2696         GSList *file_cur;
2697         GRelation *relation;
2698         MsgFileInfo *fileinfo = NULL;
2699         gboolean folderscan = FALSE;
2700
2701         g_return_val_if_fail(dest != NULL, -1);
2702         g_return_val_if_fail(file_list != NULL, -1);
2703         g_return_val_if_fail(dest->folder != NULL, -1);
2704         if (dest->no_select)
2705                 return -1;
2706
2707         folder = dest->folder;
2708
2709         relation = g_relation_new(2);
2710         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2711
2712         if (folder->klass->add_msgs != NULL) {
2713                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2714                 if (ret < 0) {
2715                         g_relation_destroy(relation);
2716                         return ret;
2717                 }
2718         } else {
2719                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2720                         fileinfo = (MsgFileInfo *) file_cur->data;
2721
2722                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2723                         if (ret < 0) {
2724                                 g_relation_destroy(relation);
2725                                 return ret;
2726                         }
2727                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2728                 }
2729         }
2730
2731         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2732                 GTuples *tuples;
2733
2734                 fileinfo = (MsgFileInfo *) file_cur->data;
2735                 tuples = g_relation_select(relation, fileinfo, 0);
2736                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2737                 g_tuples_destroy(tuples);
2738
2739                 if (num >= 0) {
2740                         MsgInfo *newmsginfo;
2741
2742                         if (num == 0) {
2743                                 if (!folderscan) {
2744                                         folder_item_scan_full(dest, FALSE);
2745                                         folderscan = TRUE;
2746                                 }
2747                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2748                         }
2749
2750                         if (num > lastnum)
2751                                 lastnum = num;
2752
2753                         if (num >= 0 && remove_source) {
2754                                 if (g_unlink(fileinfo->file) < 0)
2755                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2756                         }
2757
2758                         if (num == 0)
2759                                 continue;
2760
2761                         if (!folderscan &&
2762                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2763                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2764                                 procmsg_msginfo_free(newmsginfo);
2765                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2766                                 /* TODO: set default flags */
2767                                 procmsg_msginfo_free(newmsginfo);
2768                         }
2769                 }
2770         }
2771
2772         g_relation_destroy(relation);
2773
2774         return lastnum;
2775 }
2776
2777 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2778 {
2779         GSList *mlist;
2780         FolderItem *new_item;
2781         FolderItem *next_item;
2782         GNode *srcnode;
2783         gchar *old_id, *new_id;
2784
2785         /* move messages */
2786         debug_print("Moving %s to %s\n", src->path, dest->path);
2787         new_item = folder_create_folder(dest, src->name);
2788         if (new_item == NULL) {
2789                 printf("Can't create folder\n");
2790                 return NULL;
2791         }
2792
2793         if (new_item->folder == NULL)
2794                 new_item->folder = dest->folder;
2795
2796         /* move messages */
2797         log_message(_("Moving %s to %s...\n"),
2798                         src->name, new_item->path);
2799
2800         mlist = folder_item_get_msg_list(src);
2801
2802         if (mlist != NULL) {
2803                 folder_item_move_msgs(new_item, mlist);
2804                 procmsg_msg_list_free(mlist);
2805         }
2806
2807         /*copy prefs*/
2808         folder_item_prefs_copy_prefs(src, new_item);
2809
2810         /* copy internal data */
2811         if (src->folder->klass == new_item->folder->klass &&
2812             src->folder->klass->copy_private_data != NULL)
2813                 src->folder->klass->copy_private_data(src->folder,
2814                                         src, new_item);
2815         new_item->collapsed = src->collapsed;
2816         new_item->thread_collapsed = src->thread_collapsed;
2817         new_item->threaded  = src->threaded;
2818         new_item->ret_rcpt  = src->ret_rcpt;
2819         new_item->hide_read_msgs = src->hide_read_msgs;
2820         new_item->sort_key  = src->sort_key;
2821         new_item->sort_type = src->sort_type;
2822
2823         prefs_matcher_write_config();
2824
2825         /* recurse */
2826         srcnode = src->folder->node;
2827         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2828         srcnode = srcnode->children;
2829         while (srcnode != NULL) {
2830                 if (srcnode && srcnode->data) {
2831                         next_item = (FolderItem*) srcnode->data;
2832                         srcnode = srcnode->next;
2833                         if (folder_item_move_recursive(next_item, new_item) == NULL) {
2834                                 return NULL;
2835                         }
2836                 }
2837         }
2838         old_id = folder_item_get_identifier(src);
2839         new_id = folder_item_get_identifier(new_item);
2840         debug_print("updating rules : %s => %s\n", old_id, new_id);
2841
2842         /* if src supports removing, otherwise only copy folder */
2843         if (src->folder->klass->remove_folder != NULL)
2844                 src->folder->klass->remove_folder(src->folder, src);
2845         folder_write_list();
2846
2847         if (old_id != NULL && new_id != NULL) {
2848                 prefs_filtering_rename_path(old_id, new_id);
2849                 account_rename_path(old_id, new_id);
2850         }
2851         g_free(old_id);
2852         g_free(new_id);
2853
2854         return new_item;
2855 }
2856
2857 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2858 {
2859         FolderItem *tmp = folder_item_parent(dest);
2860         gchar * src_identifier, * dst_identifier;
2861         gchar * phys_srcpath, * phys_dstpath, *tmppath;
2862
2863         while (tmp) {
2864                 if (tmp == src) {
2865                         return F_MOVE_FAILED_DEST_IS_CHILD;
2866                 }
2867                 tmp = folder_item_parent(tmp);
2868         }
2869
2870         tmp = folder_item_parent(src);
2871
2872         src_identifier = folder_item_get_identifier(src);
2873         dst_identifier = folder_item_get_identifier(dest);
2874
2875         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2876                 /* dest can be a root folder */
2877                 dst_identifier = folder_get_identifier(dest->folder);
2878         }
2879         if (src_identifier == NULL || dst_identifier == NULL) {
2880                 debug_print("Can't get identifiers\n");
2881                 return F_MOVE_FAILED;
2882         }
2883
2884         if (src->folder != dest->folder) {
2885                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2886         }
2887
2888         phys_srcpath = folder_item_get_path(src);
2889         tmppath = folder_item_get_path(dest);
2890         phys_dstpath = g_strconcat(tmppath,
2891                        G_DIR_SEPARATOR_S,
2892                        g_path_get_basename(phys_srcpath),
2893                        NULL);
2894         g_free(tmppath);
2895
2896         if (folder_item_parent(src) == dest || src == dest) {
2897                 g_free(src_identifier);
2898                 g_free(dst_identifier);
2899                 g_free(phys_srcpath);
2900                 g_free(phys_dstpath);
2901                 return F_MOVE_FAILED_DEST_IS_PARENT;
2902         }
2903         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2904         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2905                 return F_MOVE_FAILED;
2906         }
2907
2908         g_free(src_identifier);
2909         g_free(dst_identifier);
2910         g_free(phys_srcpath);
2911         g_free(phys_dstpath);
2912
2913         *new_item = tmp;
2914
2915         return F_MOVE_OK;
2916 }
2917
2918 /**
2919  * Copy a list of message to a new folder and remove
2920  * source messages if wanted
2921  */
2922 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2923 {
2924         Folder *folder;
2925         GSList *l;
2926         gint num, lastnum = -1;
2927         gboolean folderscan = FALSE;
2928         GRelation *relation;
2929         GSList *not_moved = NULL;
2930         gint total = 0, curmsg = 0;
2931         MsgInfo *msginfo = NULL;
2932
2933         g_return_val_if_fail(dest != NULL, -1);
2934         g_return_val_if_fail(msglist != NULL, -1);
2935
2936         folder = dest->folder;
2937
2938         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2939         if (dest->no_select)
2940                 return -1;
2941
2942         msginfo = (MsgInfo *)msglist->data;
2943
2944         if (!msginfo)
2945                 return -1;
2946
2947         if (!MSG_IS_QUEUED(msginfo->flags) &&
2948             MSG_IS_DRAFT(msginfo->flags) &&
2949             folder_has_parent_of_type(dest, F_QUEUE)) {
2950                 GSList *cur = msglist;
2951                 gboolean queue_err = FALSE;
2952                 for (; cur; cur = cur->next) {
2953                         Compose *compose = NULL;
2954                         FolderItem *queue = dest;
2955                         int val = 0;
2956
2957                         msginfo = (MsgInfo *)cur->data;
2958                         compose = compose_reedit(msginfo, TRUE);
2959                         if (compose == NULL) {
2960                                 queue_err = TRUE;
2961                                 continue;
2962                         }
2963                         val = compose_queue(compose, NULL, &queue, NULL,
2964                                         FALSE);
2965                         if (val < 0) {
2966                                 queue_err = TRUE;
2967                         } else if (remove_source) {
2968                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
2969                         }
2970                         if (val == 0)
2971                                 compose_close(compose);
2972                 }
2973                 return queue_err ? -1:0;
2974         }
2975
2976         relation = g_relation_new(2);
2977         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2978         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2979
2980         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2981                 MsgInfo * msginfo = (MsgInfo *) l->data;
2982
2983                 if (msginfo->planned_download != 0) {
2984                         int old_planned = msginfo->planned_download;
2985                         partial_unmark(msginfo);
2986                         /* little hack to reenable after */
2987                         msginfo->planned_download = old_planned;
2988                 }
2989         }
2990
2991         /*
2992          * Copy messages to destination folder and
2993          * store new message numbers in newmsgnums
2994          */
2995         if (folder->klass->copy_msgs != NULL) {
2996                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2997                         g_relation_destroy(relation);
2998                         return -1;
2999                 }
3000         } else {
3001                 MsgInfo * msginfo;
3002                 l = msglist;
3003
3004                 /* immediately stop if src and dest folders are identical */
3005                 if (l != NULL) {
3006                         msginfo = (MsgInfo *) l->data;
3007                         if (msginfo != NULL && msginfo->folder == dest) {
3008                                 g_relation_destroy(relation);
3009                                 return -1;
3010                         }
3011                 }
3012
3013                 for (; l != NULL ; l = g_slist_next(l)) {
3014                         msginfo = (MsgInfo *) l->data;
3015
3016                         num = folder->klass->copy_msg(folder, dest, msginfo);
3017                         if (num > 0)
3018                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
3019                         else
3020                                 not_moved = g_slist_prepend(not_moved, msginfo);
3021                 }
3022         }
3023
3024         if (remove_source) {
3025                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3026                 FolderItem *item = msginfo->folder;
3027                 /*
3028                  * Remove source messages from their folders if
3029                  * copying was successfull and update folder
3030                  * message counts
3031                  */
3032                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3033                         item->folder->klass->remove_msgs(item->folder,
3034                                                                 msginfo->folder,
3035                                                                 msglist,
3036                                                                 relation);
3037                 }
3038                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3039                         GTuples *tuples;
3040                         msginfo = (MsgInfo *) l->data;
3041                         item = msginfo->folder;
3042
3043                         tuples = g_relation_select(relation, msginfo, 0);
3044                         if (tuples) {
3045                                 if (tuples->len)
3046                                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3047                                 else
3048                                         num = 0;
3049                                 g_tuples_destroy(tuples);
3050                         } else {
3051                                 num = -1;
3052                         }
3053
3054                         if (g_slist_find(not_moved, msginfo))
3055                                 continue;
3056
3057                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3058                                 if (!item->folder->klass->remove_msgs)
3059                                         item->folder->klass->remove_msg(item->folder,
3060                                                                 msginfo->folder,
3061                                                                 msginfo->msgnum);
3062                                 remove_msginfo_from_cache(item, msginfo);
3063                         }
3064                 }
3065         }
3066
3067         /* Read cache for dest folder */
3068         if (!dest->cache) folder_item_read_cache(dest);
3069
3070         /*
3071          * Fetch new MsgInfos for new messages in dest folder,
3072          * add them to the msgcache and update folder message counts
3073          */
3074         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
3075                 folder_item_scan_full(dest, FALSE);
3076                 folderscan = TRUE;
3077         }
3078
3079         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3080         total = g_slist_length(msglist);
3081         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3082                 MsgInfo *msginfo = (MsgInfo *) l->data;
3083                 GTuples *tuples;
3084
3085                 tuples = g_relation_select(relation, msginfo, 0);
3086                 if (tuples->len > 0) {
3087                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3088                         g_tuples_destroy(tuples);
3089                 } else {
3090                         num = 0;
3091                         if (tuples)
3092                                 g_tuples_destroy(tuples);
3093                 }
3094                 statusbar_progress_all(curmsg++,total, 100);
3095                 if (curmsg % 100 == 0)
3096                         GTK_EVENTS_FLUSH();
3097
3098                 if (num >= 0) {
3099                         MsgInfo *newmsginfo = NULL;
3100
3101                         if (folderscan) {
3102                                 if (msginfo->msgid != NULL) {
3103                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3104                                         if (newmsginfo != NULL) {
3105                                                 copy_msginfo_flags(msginfo, newmsginfo);
3106                                                 num = newmsginfo->msgnum;
3107                                         }
3108                                 }
3109                         } else {
3110                                 newmsginfo = get_msginfo(dest, num);
3111                                 if (newmsginfo != NULL) {
3112                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3113                                 }
3114                         }
3115
3116                         if (msginfo->planned_download
3117                             == POP3_PARTIAL_DLOAD_DELE) {
3118                                 partial_mark_for_delete(newmsginfo);
3119                         }
3120                         if (msginfo->planned_download
3121                             == POP3_PARTIAL_DLOAD_DLOAD) {
3122                                 partial_mark_for_download(newmsginfo);
3123                         }
3124                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3125                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3126                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3127                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3128                         }
3129                         procmsg_msginfo_free(newmsginfo);
3130
3131
3132                         if (num > lastnum)
3133                                 lastnum = num;
3134                 }
3135         }
3136         statusbar_progress_all(0,0,0);
3137         statusbar_pop_all();
3138
3139         g_relation_destroy(relation);
3140         if (not_moved != NULL) {
3141                 g_slist_free(not_moved);
3142                 return -1;
3143         } else
3144                 return lastnum;
3145 }
3146
3147 /**
3148  * Move a message to a new folder.
3149  *
3150  * \param dest Destination folder
3151  * \param msginfo The message
3152  */
3153 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3154 {
3155         GSList list;
3156
3157         g_return_val_if_fail(dest != NULL, -1);
3158         g_return_val_if_fail(msginfo != NULL, -1);
3159
3160         list.data = msginfo;
3161         list.next = NULL;
3162
3163         return do_copy_msgs(dest, &list, TRUE);
3164 }
3165
3166 /**
3167  * Move a list of messages to a new folder.
3168  *
3169  * \param dest Destination folder
3170  * \param msglist List of messages
3171  */
3172 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3173 {
3174         gint result = -1;
3175         g_return_val_if_fail(dest != NULL, -1);
3176         g_return_val_if_fail(msglist != NULL, -1);
3177         inc_lock();
3178         result = do_copy_msgs(dest, msglist, TRUE);
3179         inc_unlock();
3180         return result;
3181 }
3182
3183 /**
3184  * Copy a message to a new folder.
3185  *
3186  * \param dest Destination folder
3187  * \param msginfo The message
3188  */
3189 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3190 {
3191         GSList list;
3192
3193         g_return_val_if_fail(dest != NULL, -1);
3194         g_return_val_if_fail(msginfo != NULL, -1);
3195
3196         list.data = msginfo;
3197         list.next = NULL;
3198
3199         return do_copy_msgs(dest, &list, FALSE);
3200 }
3201
3202 /**
3203  * Copy a list of messages to a new folder.
3204  *
3205  * \param dest Destination folder
3206  * \param msglist List of messages
3207  */
3208 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3209 {
3210         gint result;
3211         g_return_val_if_fail(dest != NULL, -1);
3212         g_return_val_if_fail(msglist != NULL, -1);
3213
3214         inc_lock();
3215         result = do_copy_msgs(dest, msglist, FALSE);
3216         inc_unlock();
3217
3218         return result;
3219 }
3220
3221 gint folder_item_remove_msg(FolderItem *item, gint num)
3222 {
3223         Folder *folder;
3224         gint ret;
3225         MsgInfo *msginfo;
3226
3227         g_return_val_if_fail(item != NULL, -1);
3228         folder = item->folder;
3229         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3230         if (item->no_select)
3231                 return -1;
3232
3233         if (!item->cache) folder_item_read_cache(item);
3234
3235         ret = folder->klass->remove_msg(folder, item, num);
3236
3237         msginfo = msgcache_get_msg(item->cache, num);
3238         if (msginfo != NULL) {
3239                 remove_msginfo_from_cache(item, msginfo);
3240                 procmsg_msginfo_free(msginfo);
3241         }
3242
3243         return ret;
3244 }
3245
3246 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3247 {
3248         Folder *folder;
3249         gint ret = 0;
3250
3251         g_return_val_if_fail(item != NULL, -1);
3252         folder = item->folder;
3253         g_return_val_if_fail(folder != NULL, -1);
3254         if (item->no_select)
3255                 return -1;
3256         inc_lock();
3257         if (!item->cache) folder_item_read_cache(item);
3258
3259         folder_item_update_freeze();
3260         if (item->folder->klass->remove_msgs) {
3261                 ret = item->folder->klass->remove_msgs(item->folder,
3262                                                         item,
3263                                                         msglist,
3264                                                         NULL);
3265         }
3266         while (ret == 0 && msglist != NULL) {
3267                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3268                 if (MSG_IS_LOCKED(msginfo->flags)) {
3269                         msglist = msglist->next;
3270                         continue;
3271                 }
3272                 if (!item->folder->klass->remove_msgs)
3273                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3274                 if (ret != 0) break;
3275                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3276                 msglist = msglist->next;
3277         }
3278         folder_item_scan_full(item, FALSE);
3279         folder_item_update_thaw();
3280         inc_unlock();
3281         return ret;
3282 }
3283
3284 gint folder_item_remove_all_msg(FolderItem *item)
3285 {
3286         Folder *folder;
3287         gint result;
3288
3289         g_return_val_if_fail(item != NULL, -1);
3290         if (item->no_select)
3291                 return -1;
3292
3293         folder = item->folder;
3294
3295         inc_lock();
3296         if (folder->klass->remove_all_msg != NULL) {
3297                 result = folder->klass->remove_all_msg(folder, item);
3298
3299                 if (result == 0) {
3300                         folder_item_free_cache(item, TRUE);
3301                         item->cache = msgcache_new();
3302                 }
3303         } else {
3304                 MsgInfoList *msglist;
3305
3306                 msglist = folder_item_get_msg_list(item);
3307                 result = folder_item_remove_msgs(item, msglist);
3308                 procmsg_msg_list_free(msglist);
3309         }
3310
3311         if (result == 0) {
3312                 item->new_msgs = 0;
3313                 item->unread_msgs = 0;
3314                 item->unreadmarked_msgs = 0;
3315                 item->marked_msgs = 0;
3316                 item->total_msgs = 0;
3317                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3318         }
3319
3320         inc_unlock();
3321         return result;
3322 }
3323
3324 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3325 {
3326         g_return_if_fail(item != NULL);
3327         g_return_if_fail(msginfo != NULL);
3328         if (item->no_select)
3329                 return;
3330
3331         if (item->folder->klass->change_flags != NULL) {
3332                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3333         } else {
3334                 msginfo->flags.perm_flags = newflags;
3335         }
3336 }
3337
3338 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3339 {
3340         Folder *folder;
3341
3342         g_return_val_if_fail(item != NULL, FALSE);
3343         if (item->no_select)
3344                 return FALSE;
3345
3346         folder = item->folder;
3347
3348         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3349
3350         return folder->klass->is_msg_changed(folder, item, msginfo);
3351 }
3352
3353 gchar *folder_item_get_cache_file(FolderItem *item)
3354 {
3355         gchar *path;
3356         gchar *file;
3357
3358         g_return_val_if_fail(item != NULL, NULL);
3359         g_return_val_if_fail(item->path != NULL, NULL);
3360
3361         path = folder_item_get_path(item);
3362         g_return_val_if_fail(path != NULL, NULL);
3363         if (!is_dir_exist(path))
3364                 make_dir_hier(path);
3365         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3366         g_free(path);
3367
3368         return file;
3369 }
3370
3371 gchar *folder_item_get_mark_file(FolderItem *item)
3372 {
3373         gchar *path;
3374         gchar *file;
3375
3376         g_return_val_if_fail(item != NULL, NULL);
3377         g_return_val_if_fail(item->path != NULL, NULL);
3378
3379         path = folder_item_get_path(item);
3380         g_return_val_if_fail(path != NULL, NULL);
3381         if (!is_dir_exist(path))
3382                 make_dir_hier(path);
3383         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3384         g_free(path);
3385
3386         return file;
3387 }
3388
3389 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3390 {
3391         XMLNode *xmlnode = (XMLNode *) nodedata;
3392         Folder *folder = (Folder *) data;
3393         FolderItem *item;
3394
3395         g_return_val_if_fail(xmlnode != NULL, NULL);
3396         g_return_val_if_fail(folder != NULL, NULL);
3397
3398         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3399                 g_warning("tag name != \"folderitem\"\n");
3400                 return NULL;
3401         }
3402
3403         item = folder_item_new(folder, "", "");
3404         if (folder->klass->item_set_xml != NULL)
3405                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3406         else
3407                 folder_item_set_xml(folder, item, xmlnode->tag);
3408
3409         item->folder = folder;
3410
3411         switch (item->stype) {
3412         case F_INBOX:  folder->inbox  = item; break;
3413         case F_OUTBOX: folder->outbox = item; break;
3414         case F_DRAFT:  folder->draft  = item; break;
3415         case F_QUEUE:  folder->queue  = item; break;
3416         case F_TRASH:  folder->trash  = item; break;
3417         default:       break;
3418         }
3419         folder_item_prefs_read_config(item);
3420
3421         return item;
3422 }
3423
3424 static gboolean folder_item_set_node(GNode *node, gpointer data)
3425 {
3426         FolderItem *item = (FolderItem *) node->data;
3427         item->node = node;
3428
3429         return FALSE;
3430 }
3431
3432 static Folder *folder_get_from_xml(GNode *node)
3433 {
3434         Folder *folder;
3435         XMLNode *xmlnode;
3436         GList *list;
3437         FolderClass *klass = NULL;
3438         GNode *cur;
3439
3440         g_return_val_if_fail(node->data != NULL, NULL);
3441
3442         xmlnode = node->data;
3443         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3444                 g_warning("tag name != \"folder\"\n");
3445                 return NULL;
3446         }
3447         list = xmlnode->tag->attr;
3448         for (; list != NULL; list = list->next) {
3449                 XMLAttr *attr = list->data;
3450
3451                 if (!attr || !attr->name || !attr->value) continue;
3452                 if (!strcmp(attr->name, "type"))
3453                         klass = folder_get_class_from_string(attr->value);
3454         }
3455         if (klass == NULL)
3456                 return NULL;
3457
3458         folder = folder_new(klass, "", "");
3459         g_return_val_if_fail(folder != NULL, NULL);
3460
3461         if (klass->set_xml)
3462                 klass->set_xml(folder, xmlnode->tag);
3463         else
3464                 folder_set_xml(folder, xmlnode->tag);
3465
3466         cur = node->children;
3467         while (cur != NULL) {
3468                 GNode *itemnode;
3469
3470                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3471                 g_node_append(folder->node, itemnode);
3472                 cur = cur->next;
3473         }
3474         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3475
3476         return folder;
3477 }
3478
3479 static gchar *folder_get_list_path(void)
3480 {
3481         static gchar *filename = NULL;
3482
3483         if (!filename)
3484                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3485                                         FOLDER_LIST, NULL);
3486
3487         return filename;
3488 }
3489
3490 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3491 {                                                       \
3492         fputs(" " attr "=\"", fp);                      \
3493         xml_file_put_escape_str(fp, str);               \
3494         fputs("\"", fp);                                \
3495 }
3496
3497 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3498 {
3499         FolderItem *item = (FolderItem *) nodedata;
3500         XMLTag *tag;
3501
3502         g_return_val_if_fail(item != NULL, NULL);
3503
3504         if (item->folder->klass->item_get_xml != NULL)
3505                 tag = item->folder->klass->item_get_xml(item->folder, item);
3506         else
3507                 tag = folder_item_get_xml(item->folder, item);
3508
3509         return xml_node_new(tag, NULL);
3510 }
3511
3512 static GNode *folder_get_xml_node(Folder *folder)
3513 {
3514         GNode *node;
3515         XMLNode *xmlnode;
3516         XMLTag *tag;
3517
3518         g_return_val_if_fail(folder != NULL, NULL);
3519
3520         if (folder->klass->get_xml != NULL)
3521                 tag = folder->klass->get_xml(folder);
3522         else
3523                 tag = folder_get_xml(folder);
3524
3525         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3526
3527         xmlnode = xml_node_new(tag, NULL);
3528
3529         node = g_node_new(xmlnode);
3530
3531         g_return_val_if_fail (folder->node != NULL, NULL);
3532
3533         if (folder->node->children) {
3534                 GNode *cur;
3535
3536                 cur = folder->node->children;
3537                 while (cur) {
3538                         GNode *xmlnode;
3539
3540                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3541                         g_node_append(node, xmlnode);
3542                         cur = cur->next;
3543                 }
3544         }
3545
3546         return node;
3547 }
3548
3549 static void folder_update_op_count_rec(GNode *node)
3550 {
3551         FolderItem *fitem = FOLDER_ITEM(node->data);
3552
3553         if (g_node_depth(node) > 0) {
3554                 if (fitem->op_count > 0) {
3555                         fitem->op_count = 0;
3556                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3557                 }
3558                 if (node->children) {
3559                         GNode *child;
3560
3561                         child = node->children;
3562                         while (child) {
3563                                 GNode *cur;
3564
3565                                 cur = child;
3566                                 child = cur->next;
3567                                 folder_update_op_count_rec(cur);
3568                         }
3569                 }
3570         }
3571 }
3572
3573 void folder_update_op_count(void)
3574 {
3575         GList *cur;
3576         Folder *folder;
3577
3578         for (cur = folder_list; cur != NULL; cur = cur->next) {
3579                 folder = cur->data;
3580                 folder_update_op_count_rec(folder->node);
3581         }
3582 }
3583
3584 typedef struct _type_str {
3585         gchar * str;
3586         gint type;
3587 } type_str;
3588
3589
3590 /*
3591 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3592 {
3593         if (item->parent != NULL) {
3594                 gchar * path;
3595                 gchar * id;
3596
3597                 path = folder_item_get_tree_identifier(item->parent);
3598                 if (path == NULL)
3599                         return NULL;
3600
3601                 id = g_strconcat(path, "/", item->name, NULL);
3602                 g_free(path);
3603
3604                 return id;
3605         }
3606         else {
3607                 return g_strconcat("/", item->name, NULL);
3608         }
3609 }
3610 */
3611
3612 /* CLAWS: temporary local folder for filtering */
3613 #define TEMP_FOLDER "TEMP_FOLDER"
3614 #define PROCESSING_FOLDER_ITEM "processing"
3615
3616 static FolderItem *processing_folder_item;
3617
3618 static void folder_create_processing_folder(void)
3619 {
3620         Folder *processing_folder;
3621         gchar      *tmpname;
3622
3623         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3624                 gchar *tmppath;
3625
3626                 tmppath =
3627                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3628                                 "tempfolder", NULL);
3629                 processing_folder =
3630                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3631                 g_free(tmppath);
3632         }
3633         g_assert(processing_folder != NULL);
3634
3635         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3636         /* FIXME: [W32] The code below does not correctly merge
3637            relative filenames; there should be a function to handle
3638            this.  */
3639         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
3640                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3641                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3642                                       NULL);
3643         else
3644                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3645                                       LOCAL_FOLDER(processing_folder)->rootpath,
3646                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3647                                       NULL);
3648
3649         if (!is_dir_exist(tmpname)) {
3650                 debug_print("*TMP* creating %s\n", tmpname);
3651                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3652                                                                                  processing_folder->node->data,
3653                                                                                  PROCESSING_FOLDER_ITEM);
3654         } else {
3655                 debug_print("*TMP* already created\n");
3656                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3657                 g_assert(processing_folder_item);
3658                 folder_item_append(processing_folder->node->data, processing_folder_item);
3659         }
3660         g_assert(processing_folder_item != NULL);
3661         g_free(tmpname);
3662 }
3663
3664 FolderItem *folder_get_default_processing(void)
3665 {
3666         if (!processing_folder_item) {
3667                 folder_create_processing_folder();
3668         }
3669         return processing_folder_item;
3670 }
3671
3672 /* folder_persist_prefs_new() - return hash table with persistent
3673  * settings (and folder name as key).
3674  * (note that in claws other options are in the folder_item_prefs_RC
3675  * file, so those don't need to be included in PersistPref yet)
3676  */
3677 GHashTable *folder_persist_prefs_new(Folder *folder)
3678 {
3679         GHashTable *pptable;
3680
3681         g_return_val_if_fail(folder, NULL);
3682         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3683         folder_get_persist_prefs_recursive(folder->node, pptable);
3684         return pptable;
3685 }
3686
3687 void folder_persist_prefs_free(GHashTable *pptable)
3688 {
3689         g_return_if_fail(pptable);
3690         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3691         g_hash_table_destroy(pptable);
3692 }
3693
3694 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3695 {
3696         if (pptable == NULL || name == NULL) return NULL;
3697         return g_hash_table_lookup(pptable, name);
3698 }
3699
3700 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3701 {
3702         const PersistPrefs *pp;
3703         gchar *id = folder_item_get_identifier(item);
3704
3705         pp = folder_get_persist_prefs(pptable, id);
3706         g_free(id);
3707
3708         if (!pp) return;
3709
3710         /* CLAWS: since not all folder properties have been migrated to
3711          * folderlist.xml, we need to call the old stuff first before
3712          * setting things that apply both to Main and Claws. */
3713         folder_item_prefs_read_config(item);
3714
3715         item->collapsed = pp->collapsed;
3716         item->thread_collapsed = pp->thread_collapsed;
3717         item->threaded  = pp->threaded;
3718         item->ret_rcpt  = pp->ret_rcpt;
3719         item->hide_read_msgs = pp->hide_read_msgs;
3720         item->sort_key  = pp->sort_key;
3721         item->sort_type = pp->sort_type;
3722 }
3723
3724 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3725 {
3726         FolderItem *item = FOLDER_ITEM(node->data);
3727         PersistPrefs *pp;
3728         GNode *child, *cur;
3729         gchar *id;
3730
3731         g_return_if_fail(node != NULL);
3732         g_return_if_fail(item != NULL);
3733
3734         /* NOTE: item->path == NULL means top level folder; not interesting
3735          * to store preferences of that one.  */
3736         if (item->path) {
3737                 id = folder_item_get_identifier(item);
3738                 pp = g_new0(PersistPrefs, 1);
3739                 g_return_if_fail(pp != NULL);
3740                 pp->collapsed = item->collapsed;
3741                 pp->thread_collapsed = item->thread_collapsed;
3742                 pp->threaded  = item->threaded;
3743                 pp->ret_rcpt  = item->ret_rcpt;
3744                 pp->hide_read_msgs = item->hide_read_msgs;
3745                 pp->sort_key  = item->sort_key;
3746                 pp->sort_type = item->sort_type;
3747                 g_hash_table_insert(pptable, id, pp);
3748         }
3749
3750         if (node->children) {
3751                 child = node->children;
3752                 while (child) {
3753                         cur = child;
3754                         child = cur->next;
3755                         folder_get_persist_prefs_recursive(cur, pptable);
3756                 }
3757         }
3758 }
3759
3760 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3761 {
3762         g_free(key);
3763         g_free(val);
3764         return TRUE;
3765 }
3766
3767 void folder_item_apply_processing(FolderItem *item)
3768 {
3769         GSList *processing_list;
3770         GSList *mlist, *cur;
3771         guint total = 0, curmsg = 0;
3772         gint last_apply_per_account;
3773
3774         g_return_if_fail(item != NULL);
3775
3776         if (item->no_select)
3777                return;
3778
3779         processing_list = item->prefs->processing;
3780
3781         if (!pre_global_processing && !processing_list
3782         &&  !post_global_processing)
3783                 return;
3784
3785         debug_print("processing %s\n", item->name);
3786         folder_item_update_freeze();
3787
3788         mlist = folder_item_get_msg_list(item);
3789         total = g_slist_length(mlist);
3790         statusbar_print_all(_("Processing messages..."));
3791
3792         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
3793         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
3794
3795         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3796                 MsgInfo * msginfo;
3797
3798                 msginfo = (MsgInfo *) cur->data;
3799
3800                 /* reset parameters that can be modified by processing */
3801                 msginfo->hidden = 0;
3802                 msginfo->score = 0;
3803
3804                 statusbar_progress_all(curmsg++,total, 10);
3805
3806                 /* apply pre global rules */
3807                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL);
3808
3809                 /* apply rules of the folder */
3810                 filter_message_by_msginfo(processing_list, msginfo, NULL);
3811
3812                 /* apply post global rules */
3813                 filter_message_by_msginfo(post_global_processing, msginfo, NULL);
3814
3815         }
3816         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
3817
3818         if (pre_global_processing || processing_list
3819             || post_global_processing)
3820                 filtering_move_and_copy_msgs(mlist);
3821         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3822                 MsgInfo * msginfo = (MsgInfo *)cur->data;
3823                 procmsg_msginfo_free(msginfo);
3824         }
3825         g_slist_free(mlist);
3826
3827         statusbar_progress_all(0,0,0);
3828         statusbar_pop_all();
3829
3830         folder_item_update_thaw();
3831 }
3832
3833 /*
3834  *  functions for handling FolderItem content changes
3835  */
3836 static gint folder_item_update_freeze_cnt = 0;
3837
3838 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3839 {
3840         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3841                 FolderItemUpdateData source;
3842
3843                 source.item = item;
3844                 source.update_flags = update_flags;
3845                 source.msg = msg;
3846                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3847         } else {
3848                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3849         }
3850 }
3851
3852 /**
3853  * Notify the folder system about changes to a folder. If the
3854  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3855  * be invoked, otherwise the changes will be remebered until
3856  * the folder system is thawed.
3857  *
3858  * \param item The FolderItem that was changed
3859  * \param update_flags Type of changed that was made
3860  */
3861 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3862 {
3863         folder_item_update_with_msg(item, update_flags, NULL);
3864 }
3865
3866 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3867 {
3868         GNode *node = item->folder->node;
3869
3870         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3871         node = node->children;
3872
3873         folder_item_update(item, update_flags);
3874         while (node != NULL) {
3875                 if (node && node->data) {
3876                         FolderItem *next_item = (FolderItem*) node->data;
3877
3878                         folder_item_update(next_item, update_flags);
3879                 }
3880                 node = node->next;
3881         }
3882 }
3883
3884 void folder_item_update_freeze(void)
3885 {
3886         folder_item_update_freeze_cnt++;
3887 }
3888
3889 static void folder_item_update_func(FolderItem *item, gpointer data)
3890 {
3891         FolderItemUpdateData source;
3892
3893         if (item->update_flags) {
3894                 source.item = item;
3895                 source.update_flags = item->update_flags;
3896                 source.msg = NULL;
3897                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3898                 item->update_flags = 0;
3899         }
3900 }
3901
3902 void folder_item_update_thaw(void)
3903 {
3904         if (folder_item_update_freeze_cnt > 0)
3905                 folder_item_update_freeze_cnt--;
3906         if (folder_item_update_freeze_cnt == 0) {
3907                 /* Update all folders */
3908                 folder_func_to_all_folders(folder_item_update_func, NULL);
3909         }
3910 }
3911
3912 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
3913 {
3914         Folder *folder = (Folder *)data;
3915         if (folder == NULL || item->folder == folder) {
3916                 if(item->prefs->offlinesync && item->folder->klass->synchronise)
3917                         item->folder->klass->synchronise(item);
3918         }
3919 }
3920
3921 void folder_synchronise(Folder *folder)
3922 {
3923         folder_func_to_all_folders(folder_item_synchronise_func, folder);
3924 }
3925
3926 typedef struct _WantSyncData {
3927         Folder *folder;
3928         gboolean want_sync;
3929 } WantSyncData;
3930
3931 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
3932 {
3933         WantSyncData *want_sync_data = (WantSyncData *)data;
3934
3935         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
3936                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
3937                         want_sync_data->want_sync |= TRUE;
3938         }
3939 }
3940
3941 gboolean folder_want_synchronise(Folder *folder)
3942 {
3943         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
3944         gboolean result;
3945         want_sync_data->folder = folder;
3946         want_sync_data->want_sync = FALSE;
3947
3948         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
3949         result = want_sync_data->want_sync;
3950         g_free(want_sync_data);
3951         debug_print("Folder %s wants sync: %d\n", folder->name, result);
3952         return result;
3953 }
3954
3955 void folder_item_set_batch (FolderItem *item, gboolean batch)
3956 {
3957         if (item->folder->klass->set_batch) {
3958                 item->folder->klass->set_batch(item->folder, item, batch);
3959         }
3960 }
3961
3962 gboolean folder_has_parent_of_type(FolderItem *item,
3963                                           SpecialFolderItemType type)
3964 {
3965         FolderItem *cur = item;
3966
3967         /* if we already know it, make it short */
3968         if (item->parent_stype != -1) {
3969                 return (item->parent_stype == type);
3970         }
3971
3972         /* if we don't, find the type from the first possible parent,
3973          * and set our parent type to be faster next time */
3974         while (cur) {
3975                 if (cur->stype == type || cur->parent_stype == type) {
3976                         item->parent_stype = type;
3977                         return TRUE;
3978                 }
3979                 cur = folder_item_parent(cur);
3980         }
3981
3982         /* if we didn't match what was asked, we didn't return. If our
3983          * parent type is unknown, we may as well find it now to be faster
3984          * later. */
3985         if (item->parent_stype == -1) {
3986                 cur = item;
3987                 while (cur) {
3988                         /* here's an exception: Inbox subfolders are normal. */
3989                         if (item->parent_stype == -1 && cur->stype == F_INBOX
3990                         && item != cur) {
3991                                 item->parent_stype = F_NORMAL;
3992                                 break;
3993                         }
3994                         /* ah, we know this parent's parent's type, we may as
3995                          * well copy it instead of going up the full way */
3996                         if (cur->parent_stype != -1) {
3997                                 item->parent_stype = cur->parent_stype;
3998                                 break;
3999                         }
4000                         /* we found a parent that has a special type. That's
4001                          * our parent type. */
4002                         if (cur->stype != F_NORMAL) {
4003                                 cur->parent_stype = cur->stype;
4004                                 item->parent_stype = cur->stype;
4005                                 break;
4006                         }
4007                         /* if we didn't find anything, go up once more */
4008                         cur = folder_item_parent(cur);
4009                 }
4010                 /* as we still didn't find anything, our parents must all be
4011                  * normal. */
4012                 if (item->parent_stype == -1) {
4013                         item->parent_stype = F_NORMAL;
4014                 }
4015         }
4016         return FALSE;
4017 }
4018
4019 gboolean folder_subscribe (const gchar *uri)
4020 {
4021         GList *cur;
4022         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4023                 Folder *folder = (Folder *) cur->data;
4024
4025                 if (folder->klass->subscribe
4026                 &&  folder->klass->subscribe(folder, uri)) {
4027                         return TRUE;
4028                 }
4029         }
4030         return FALSE;
4031
4032 }
4033
4034 gboolean folder_get_sort_type           (Folder         *folder,
4035                                          FolderSortKey  *sort_key,
4036                                          FolderSortType *sort_type)
4037 {
4038         if (!folder || !sort_key || !sort_type)
4039                 return FALSE;
4040         if (folder->klass->get_sort_type == NULL)
4041                 return FALSE;
4042         folder->klass->get_sort_type(folder, sort_key, sort_type);
4043         return TRUE;
4044 }
4045
4046 #undef PUT_ESCAPE_STR