src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <unistd.h>
  32 #include <stdlib.h>
  33
  34 #include "intl.h"
  35 #include "folder.h"
  36 #include "session.h"
  37 #include "imap.h"
  38 #include "news.h"
  39 #include "mh.h"
  40 #include "utils.h"
  41 #include "xml.h"
  42 #include "codeconv.h"
  43 #include "prefs_gtk.h"
  44 #include "account.h"
  45 #include "filtering.h"
  46 #include "procheader.h"
  47 #include "hooks.h"
  48 #include "log.h"
  49 #include "folder_item_prefs.h"
  50 #include "remotefolder.h"
  51 #include "partial_download.h"
  52
  53 /* Dependecies to be removed ?! */
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56
  57 static GList *folder_list = NULL;
  58 static GSList *class_list = NULL;
  59 static GSList *folder_unloaded_list = NULL;
  60
  61 void folder_init                (Folder         *folder,
  62                                  const gchar    *name);
  63
  64 static gchar *folder_get_list_path      (void);
  65 static GNode *folder_get_xml_node       (Folder         *folder);
  66 static Folder *folder_get_from_xml      (GNode          *node);
  67 static void folder_update_op_count_rec  (GNode          *node);
  68
  69
  70 static void folder_get_persist_prefs_recursive
  71                                         (GNode *node, GHashTable *pptable);
  72 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  73 void folder_item_read_cache             (FolderItem *item);
  74 void folder_item_free_cache             (FolderItem *item);
  75 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  76 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
  77                                          MsgInfo *msg);
  78
  79 void folder_system_init(void)
  80 {
  81         folder_register_class(mh_get_class());
  82         folder_register_class(imap_get_class());
  83         folder_register_class(news_get_class());
  84 }
  85
  86 GSList *folder_get_class_list(void)
  87 {
  88         return class_list;
  89 }
  90
  91 void folder_register_class(FolderClass *klass)
  92 {
  93         GSList *xmllist, *cur;
  94
  95         debug_print("registering folder class %s\n", klass->idstr);
  96
  97         class_list = g_slist_append(class_list, klass);
  98
  99         xmllist = g_slist_copy(folder_unloaded_list);
 100         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 101                 GNode *node = (GNode *) cur->data;
 102                 XMLNode *xmlnode = (XMLNode *) node->data;
 103                 GList *cur = xmlnode->tag->attr;
 104
 105                 for (; cur != NULL; cur = g_list_next(cur)) {
 106                         XMLAttr *attr = (XMLAttr *) cur->data;
 107
 108                         if (!attr || !attr->name || !attr->value) continue;
 109                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 110                                 Folder *folder;
 111
 112                                 folder = folder_get_from_xml(node);
 113                                 folder_add(folder);
 114                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 115
 116                                 cur = NULL;
 117                                 continue;
 118                         }
 119                 }
 120         }
 121         g_slist_free(xmllist);
 122 }
 123
 124 void folder_unregister_class(FolderClass *klass)
 125 {
 126         GList *folderlist, *cur;
 127
 128         debug_print("unregistering folder class %s\n", klass->idstr);
 129
 130         class_list = g_slist_remove(class_list, klass);
 131
 132         folderlist = g_list_copy(folder_get_list());
 133         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 134                 Folder *folder = (Folder *) cur->data;
 135
 136                 if (folder->klass == klass) {
 137                         GNode *xmlnode = folder_get_xml_node(folder);
 138                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 139                         folder_destroy(folder);
 140                 }
 141         }
 142         g_list_free(folderlist);
 143 }
 144
 145 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 146 {
 147         Folder *folder = NULL;
 148         FolderItem *item;
 149
 150         g_return_val_if_fail(klass != NULL, NULL);
 151
 152         name = name ? name : path;
 153         folder = klass->new_folder(name, path);
 154
 155         /* Create root folder item */
 156         item = folder_item_new(folder, name, NULL);
 157         item->folder = folder;
 158         folder->node = item->node = g_node_new(item);
 159         folder->data = NULL;
 160
 161         return folder;
 162 }
 163
 164 void folder_init(Folder *folder, const gchar *name)
 165 {
 166         g_return_if_fail(folder != NULL);
 167
 168         folder_set_name(folder, name);
 169
 170         /* Init folder data */
 171         folder->account = NULL;
 172         folder->sort = 0;
 173         folder->inbox = NULL;
 174         folder->outbox = NULL;
 175         folder->draft = NULL;
 176         folder->queue = NULL;
 177         folder->trash = NULL;
 178 }
 179
 180 void folder_destroy(Folder *folder)
 181 {
 182         g_return_if_fail(folder != NULL);
 183         g_return_if_fail(folder->klass->destroy_folder != NULL);
 184
 185         folder_remove(folder);
 186
 187         folder_tree_destroy(folder);
 188
 189         folder->klass->destroy_folder(folder);
 190
 191         g_free(folder->name);
 192         g_free(folder);
 193 }
 194
 195 void folder_set_xml(Folder *folder, XMLTag *tag)
 196 {
 197         GList *cur;
 198         FolderItem *rootitem = NULL;
 199
 200         if ((folder->node != NULL) && (folder->node->data != NULL))
 201                 rootitem = (FolderItem *) folder->node->data;
 202
 203         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 204                 XMLAttr *attr = (XMLAttr *) cur->data;
 205
 206                 if (!attr || !attr->name || !attr->value) continue;
 207                 if (!strcmp(attr->name, "name")) {
 208                         if (folder->name != NULL)
 209                                 g_free(folder->name);
 210                         folder->name = g_strdup(attr->value);
 211                         if (rootitem != NULL) {
 212                                 if (rootitem->name != NULL)
 213                                         g_free(rootitem->name);
 214                                 rootitem->name = g_strdup(attr->value);
 215                         }
 216                 } else if (!strcmp(attr->name, "account_id")) {
 217                         PrefsAccount *account;
 218
 219                         account = account_find_from_id(atoi(attr->value));
 220                         if (!account)
 221                                 g_warning("account_id: %s not found\n", attr->value);
 222                         else {
 223                                 folder->account = account;
 224                                 account->folder = folder;
 225                         }
 226                 } else if (!strcmp(attr->name, "collapsed")) {
 227                         if (rootitem != NULL)
 228                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 229                 } else if (!strcmp(attr->name, "sort")) {
 230                         folder->sort = atoi(attr->value);
 231                 }
 232         }
 233 }
 234
 235 XMLTag *folder_get_xml(Folder *folder)
 236 {
 237         XMLTag *tag;
 238
 239         tag = xml_tag_new("folder");
 240
 241         if (folder->name)
 242                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 243         if (folder->account)
 244                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 245         if (folder->node && folder->node->data) {
 246                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 247
 248                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 249         }
 250         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 251
 252         return tag;
 253 }
 254
 255 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 256 {
 257         FolderItem *item = NULL;
 258
 259         if (folder->klass->item_new) {
 260                 item = folder->klass->item_new(folder);
 261         } else {
 262                 item = g_new0(FolderItem, 1);
 263         }
 264
 265         g_return_val_if_fail(item != NULL, NULL);
 266
 267         item->stype = F_NORMAL;
 268         item->name = g_strdup(name);
 269         item->path = g_strdup(path);
 270         item->mtime = 0;
 271         item->new_msgs = 0;
 272         item->unread_msgs = 0;
 273         item->unreadmarked_msgs = 0;
 274         item->total_msgs = 0;
 275         item->last_num = -1;
 276         item->cache = NULL;
 277         item->no_sub = FALSE;
 278         item->no_select = FALSE;
 279         item->collapsed = FALSE;
 280         item->thread_collapsed = FALSE;
 281         item->threaded  = TRUE;
 282         item->ret_rcpt  = FALSE;
 283         item->opened    = FALSE;
 284         item->node = g_node_new(item);
 285         item->folder = NULL;
 286         item->account = NULL;
 287         item->apply_sub = FALSE;
 288         item->mark_queue = NULL;
 289         item->data = NULL;
 290
 291         item->prefs = folder_item_prefs_new();
 292
 293         return item;
 294 }
 295
 296 void folder_item_append(FolderItem *parent, FolderItem *item)
 297 {
 298         g_return_if_fail(parent != NULL);
 299         g_return_if_fail(parent->folder != NULL);
 300         g_return_if_fail(parent->node != NULL);
 301         g_return_if_fail(item != NULL);
 302
 303         item->folder = parent->folder;
 304         g_node_append(parent->node, item->node);
 305 }
 306
 307 static gboolean folder_item_remove_func(GNode *node, gpointer data)
 308 {
 309         FolderItem *item = FOLDER_ITEM(node->data);
 310         FolderUpdateData hookdata;
 311
 312         if (item->cache != NULL) {
 313                 msgcache_destroy(item->cache);
 314                 item->cache = NULL;
 315         }
 316
 317         hookdata.folder = item->folder;
 318         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 319         hookdata.item = item;
 320         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 321
 322         folder_item_destroy(item);
 323
 324         return FALSE;
 325 }
 326
 327 void folder_item_remove(FolderItem *item)
 328 {
 329         GNode *node;
 330
 331         g_return_if_fail(item != NULL);
 332         g_return_if_fail(item->folder != NULL);
 333         g_return_if_fail(item->node != NULL);
 334
 335         node = item->node;
 336
 337         if (item->folder->node == node)
 338                 item->folder->node = NULL;
 339
 340         g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 341                         folder_item_remove_func, NULL);
 342         g_node_destroy(node);
 343 }
 344
 345 void folder_item_remove_children(FolderItem *item)
 346 {
 347         GNode *node, *next;
 348
 349         g_return_if_fail(item != NULL);
 350         g_return_if_fail(item->folder != NULL);
 351         g_return_if_fail(item->node != NULL);
 352
 353         node = item->node->children;
 354         while (node != NULL) {
 355                 next = node->next;
 356                 folder_item_remove(FOLDER_ITEM(node->data));
 357                 node = next;
 358         }
 359 }
 360
 361 void folder_item_destroy(FolderItem *item)
 362 {
 363         Folder *folder;
 364
 365         g_return_if_fail(item != NULL);
 366
 367         folder = item->folder;
 368         if (folder) {
 369                 if (folder->inbox == item)
 370                         folder->inbox = NULL;
 371                 else if (folder->outbox == item)
 372                         folder->outbox = NULL;
 373                 else if (folder->draft == item)
 374                         folder->draft = NULL;
 375                 else if (folder->queue == item)
 376                         folder->queue = NULL;
 377                 else if (folder->trash == item)
 378                         folder->trash = NULL;
 379         }
 380
 381         if (item->cache)
 382                 folder_item_free_cache(item);
 383         if (item->prefs)
 384                 folder_item_prefs_free(item->prefs);
 385         g_free(item->name);
 386         g_free(item->path);
 387
 388         if (item->folder != NULL) {
 389                 if(item->folder->klass->item_destroy) {
 390                         item->folder->klass->item_destroy(item->folder, item);
 391                 } else {
 392                         g_free(item);
 393                 }
 394         }
 395 }
 396
 397 FolderItem *folder_item_parent(FolderItem *item)
 398 {
 399         g_return_val_if_fail(item != NULL, NULL);
 400         g_return_val_if_fail(item->node != NULL, NULL);
 401
 402         if (item->node->parent == NULL)
 403                 return NULL;
 404         return (FolderItem *) item->node->parent->data;
 405 }
 406
 407 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 408 {
 409         GList *cur;
 410
 411         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 412                 XMLAttr *attr = (XMLAttr *) cur->data;
 413
 414                 if (!attr || !attr->name || !attr->value) continue;
 415                 if (!strcmp(attr->name, "type")) {
 416                         if (!g_strcasecmp(attr->value, "normal"))
 417                                 item->stype = F_NORMAL;
 418                         else if (!g_strcasecmp(attr->value, "inbox"))
 419                                 item->stype = F_INBOX;
 420                         else if (!g_strcasecmp(attr->value, "outbox"))
 421                                 item->stype = F_OUTBOX;
 422                         else if (!g_strcasecmp(attr->value, "draft"))
 423                                 item->stype = F_DRAFT;
 424                         else if (!g_strcasecmp(attr->value, "queue"))
 425                                 item->stype = F_QUEUE;
 426                         else if (!g_strcasecmp(attr->value, "trash"))
 427                                 item->stype = F_TRASH;
 428                 } else if (!strcmp(attr->name, "name")) {
 429                         if (item->name != NULL)
 430                                 g_free(item->name);
 431                         item->name = g_strdup(attr->value);
 432                 } else if (!strcmp(attr->name, "path")) {
 433                         if (item->path != NULL)
 434                                 g_free(item->path);
 435                         item->path = g_strdup(attr->value);
 436                 } else if (!strcmp(attr->name, "mtime"))
 437                         item->mtime = strtoul(attr->value, NULL, 10);
 438                 else if (!strcmp(attr->name, "new"))
 439                         item->new_msgs = atoi(attr->value);
 440                 else if (!strcmp(attr->name, "unread"))
 441                         item->unread_msgs = atoi(attr->value);
 442                 else if (!strcmp(attr->name, "unreadmarked"))
 443                         item->unreadmarked_msgs = atoi(attr->value);
 444                 else if (!strcmp(attr->name, "total"))
 445                         item->total_msgs = atoi(attr->value);
 446                 else if (!strcmp(attr->name, "no_sub"))
 447                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 448                 else if (!strcmp(attr->name, "no_select"))
 449                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 450                 else if (!strcmp(attr->name, "collapsed"))
 451                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 452                 else if (!strcmp(attr->name, "thread_collapsed"))
 453                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 454                 else if (!strcmp(attr->name, "threaded"))
 455                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 456                 else if (!strcmp(attr->name, "hidereadmsgs"))
 457                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 458                 else if (!strcmp(attr->name, "reqretrcpt"))
 459                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 460                 else if (!strcmp(attr->name, "sort_key")) {
 461                         if (!strcmp(attr->value, "none"))
 462                                 item->sort_key = SORT_BY_NONE;
 463                         else if (!strcmp(attr->value, "number"))
 464                                 item->sort_key = SORT_BY_NUMBER;
 465                         else if (!strcmp(attr->value, "size"))
 466                                 item->sort_key = SORT_BY_SIZE;
 467                         else if (!strcmp(attr->value, "date"))
 468                                 item->sort_key = SORT_BY_DATE;
 469                         else if (!strcmp(attr->value, "from"))
 470                                 item->sort_key = SORT_BY_FROM;
 471                         else if (!strcmp(attr->value, "subject"))
 472                                 item->sort_key = SORT_BY_SUBJECT;
 473                         else if (!strcmp(attr->value, "score"))
 474                                 item->sort_key = SORT_BY_SCORE;
 475                         else if (!strcmp(attr->value, "label"))
 476                                 item->sort_key = SORT_BY_LABEL;
 477                         else if (!strcmp(attr->value, "mark"))
 478                                 item->sort_key = SORT_BY_MARK;
 479                         else if (!strcmp(attr->value, "unread"))
 480                                 item->sort_key = SORT_BY_STATUS;
 481                         else if (!strcmp(attr->value, "mime"))
 482                                 item->sort_key = SORT_BY_MIME;
 483                         else if (!strcmp(attr->value, "to"))
 484                                 item->sort_key = SORT_BY_TO;
 485                         else if (!strcmp(attr->value, "locked"))
 486                                 item->sort_key = SORT_BY_LOCKED;
 487                 } else if (!strcmp(attr->name, "sort_type")) {
 488                         if (!strcmp(attr->value, "ascending"))
 489                                 item->sort_type = SORT_ASCENDING;
 490                         else
 491                                 item->sort_type = SORT_DESCENDING;
 492                 } else if (!strcmp(attr->name, "account_id")) {
 493                         PrefsAccount *account;
 494
 495                         account = account_find_from_id(atoi(attr->value));
 496                         if (!account)
 497                                 g_warning("account_id: %s not found\n", attr->value);
 498                         else
 499                                 item->account = account;
 500                 } else if (!strcmp(attr->name, "apply_sub"))
 501                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 502         }
 503 }
 504
 505 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 506 {
 507         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 508                                                  "draft", "queue", "trash"};
 509         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 510                                         "from", "subject", "score", "label",
 511                                         "mark", "unread", "mime", "to",
 512                                         "locked"};
 513         XMLTag *tag;
 514         gchar *value;
 515
 516         tag = xml_tag_new("folderitem");
 517
 518         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 519         if (item->name)
 520                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 521         if (item->path)
 522                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 523         if (item->no_sub)
 524                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 525         if (item->no_select)
 526                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 527         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 528         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 529         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 530         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 531         if (item->ret_rcpt)
 532                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 533
 534         if (item->sort_key != SORT_BY_NONE) {
 535                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 536                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 537         }
 538
 539         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 540         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 541         g_free(value);
 542         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 543         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 544         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 545         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 546
 547         if (item->account)
 548                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 549         if (item->apply_sub)
 550                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 551
 552         return tag;
 553 }
 554
 555 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 556 {
 557         g_return_if_fail(folder != NULL);
 558
 559         folder->ui_func = func;
 560         folder->ui_func_data = data;
 561 }
 562
 563 void folder_set_name(Folder *folder, const gchar *name)
 564 {
 565         g_return_if_fail(folder != NULL);
 566
 567         g_free(folder->name);
 568         folder->name = name ? g_strdup(name) : NULL;
 569         if (folder->node && folder->node->data) {
 570                 FolderItem *item = (FolderItem *)folder->node->data;
 571
 572                 g_free(item->name);
 573                 item->name = name ? g_strdup(name) : NULL;
 574         }
 575 }
 576
 577 void folder_set_sort(Folder *folder, guint sort)
 578 {
 579         g_return_if_fail(folder != NULL);
 580
 581         if (folder->sort != sort) {
 582                 folder_remove(folder);
 583                 folder->sort = sort;
 584                 folder_add(folder);
 585         }
 586 }
 587
 588 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 589         FolderItem *item = (FolderItem *) node->data;
 590
 591         folder_item_destroy(item);
 592         return FALSE;
 593 }
 594
 595 void folder_tree_destroy(Folder *folder)
 596 {
 597         GNode *node;
 598
 599         g_return_if_fail(folder != NULL);
 600
 601         node = folder->node;
 602
 603         prefs_filtering_clear_folder(folder);
 604
 605         if (node != NULL) {
 606                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 607                                 folder_tree_destroy_func, NULL);
 608                 g_node_destroy(node);
 609                 folder->node = NULL;
 610         }
 611 }
 612
 613 void folder_add(Folder *folder)
 614 {
 615         Folder *cur_folder;
 616         GList *cur;
 617         gint i;
 618         FolderUpdateData hookdata;
 619
 620         g_return_if_fail(folder != NULL);
 621
 622         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 623                 cur_folder = FOLDER(cur->data);
 624                 if (cur_folder->sort < folder->sort)
 625                         break;
 626         }
 627
 628         folder_list = g_list_insert(folder_list, folder, i);
 629
 630         hookdata.folder = folder;
 631         hookdata.update_flags = FOLDER_ADD_FOLDER;
 632         hookdata.item = NULL;
 633         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 634 }
 635
 636 void folder_remove(Folder *folder)
 637 {
 638         FolderUpdateData hookdata;
 639
 640         g_return_if_fail(folder != NULL);
 641
 642         folder_list = g_list_remove(folder_list, folder);
 643
 644         hookdata.folder = folder;
 645         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 646         hookdata.item = NULL;
 647         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 648 }
 649
 650 GList *folder_get_list(void)
 651 {
 652         return folder_list;
 653 }
 654
 655 gint folder_read_list(void)
 656 {
 657         GNode *node, *cur;
 658         XMLNode *xmlnode;
 659         gchar *path;
 660
 661         path = folder_get_list_path();
 662         if (!is_file_exist(path)) return -1;
 663         node = xml_parse_file(path);
 664         if (!node) return -1;
 665
 666         xmlnode = node->data;
 667         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 668                 g_warning("wrong folder list\n");
 669                 xml_free_tree(node);
 670                 return -1;
 671         }
 672
 673         cur = node->children;
 674         while (cur != NULL) {
 675                 Folder *folder;
 676
 677                 folder = folder_get_from_xml(cur);
 678                 if (folder != NULL)
 679                         folder_add(folder);
 680                 else
 681                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 682                                 (gpointer) xml_copy_tree(cur));
 683                 cur = cur->next;
 684         }
 685
 686         xml_free_tree(node);
 687         if (folder_list)
 688                 return 0;
 689         else
 690                 return -1;
 691 }
 692
 693 void folder_write_list(void)
 694 {
 695         GList *list;
 696         GSList *slist;
 697         Folder *folder;
 698         gchar *path;
 699         PrefFile *pfile;
 700         GNode *rootnode;
 701         XMLNode *xmlnode;
 702         XMLTag *tag;
 703
 704         path = folder_get_list_path();
 705         if ((pfile = prefs_write_open(path)) == NULL) return;
 706
 707         xml_file_put_xml_decl(pfile->fp);
 708         tag = xml_tag_new("folderlist");
 709
 710         xmlnode = xml_node_new(tag, NULL);
 711
 712         rootnode = g_node_new(xmlnode);
 713
 714         for (list = folder_list; list != NULL; list = list->next) {
 715                 GNode *node;
 716
 717                 folder = list->data;
 718                 node = folder_get_xml_node(folder);
 719                 if (node != NULL)
 720                         g_node_append(rootnode, node);
 721         }
 722
 723         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 724                 GNode *node = (GNode *) slist->data;
 725
 726                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 727         }
 728
 729         xml_write_tree(rootnode, pfile->fp);
 730
 731         if (prefs_file_close(pfile) < 0)
 732                 g_warning("failed to write folder list.\n");
 733
 734         xml_free_tree(rootnode);
 735 }
 736
 737 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 738 {
 739         GHashTable *pptable = (GHashTable *)data;
 740         FolderItem *item = (FolderItem *)node->data;
 741
 742         folder_item_restore_persist_prefs(item, pptable);
 743         folder_item_scan_full(item, FALSE);
 744
 745         return FALSE;
 746 }
 747
 748 void folder_scan_tree(Folder *folder)
 749 {
 750         GHashTable *pptable;
 751         FolderUpdateData hookdata;
 752
 753         if (!folder->klass->scan_tree)
 754                 return;
 755
 756         pptable = folder_persist_prefs_new(folder);
 757
 758         /*
 759          * should be changed and tree update should be done without
 760          * destroying the tree first
 761          */
 762         folder_tree_destroy(folder);
 763         folder->klass->scan_tree(folder);
 764
 765         hookdata.folder = folder;
 766         hookdata.update_flags = FOLDER_TREE_CHANGED;
 767         hookdata.item = NULL;
 768         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 769
 770         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 771         folder_persist_prefs_free(pptable);
 772
 773         prefs_matcher_read_config();
 774
 775         folder_write_list();
 776 }
 777
 778 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 779 {
 780         FolderItem *new_item;
 781
 782         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 783         if (new_item) {
 784                 FolderUpdateData hookdata;
 785
 786                 new_item->cache = msgcache_new();
 787
 788                 hookdata.folder = new_item->folder;
 789                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 790                 hookdata.item = new_item;
 791                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 792         }
 793
 794         return new_item;
 795 }
 796
 797 gint folder_item_rename(FolderItem *item, gchar *newname)
 798 {
 799         gint retval;
 800
 801         g_return_val_if_fail(item != NULL, -1);
 802         g_return_val_if_fail(newname != NULL, -1);
 803
 804         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 805
 806         if (retval >= 0) {
 807                 FolderItemUpdateData hookdata;
 808
 809                 hookdata.item = item;
 810                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 811                 hookdata.msg = NULL;
 812                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 813         }
 814
 815         return retval;
 816 }
 817
 818 struct TotalMsgCount
 819 {
 820         guint new_msgs;
 821         guint unread_msgs;
 822         guint unreadmarked_msgs;
 823         guint total_msgs;
 824 };
 825
 826 struct FuncToAllFoldersData
 827 {
 828         FolderItemFunc  function;
 829         gpointer        data;
 830 };
 831
 832 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 833 {
 834         FolderItem *item;
 835         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 836
 837         g_return_val_if_fail(node->data != NULL, FALSE);
 838
 839         item = FOLDER_ITEM(node->data);
 840         g_return_val_if_fail(item != NULL, FALSE);
 841
 842         function_data->function(item, function_data->data);
 843
 844         return FALSE;
 845 }
 846
 847 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 848 {
 849         GList *list;
 850         Folder *folder;
 851         struct FuncToAllFoldersData function_data;
 852
 853         function_data.function = function;
 854         function_data.data = data;
 855
 856         for (list = folder_list; list != NULL; list = list->next) {
 857                 folder = FOLDER(list->data);
 858                 if (folder->node)
 859                         g_node_traverse(folder->node, G_PRE_ORDER,
 860                                         G_TRAVERSE_ALL, -1,
 861                                         folder_func_to_all_folders_func,
 862                                         &function_data);
 863         }
 864 }
 865
 866 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 867 {
 868         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 869
 870         count->new_msgs += item->new_msgs;
 871         count->unread_msgs += item->unread_msgs;
 872         count->unreadmarked_msgs += item->unreadmarked_msgs;
 873         count->total_msgs += item->total_msgs;
 874 }
 875
 876 struct TotalMsgStatus
 877 {
 878         guint new;
 879         guint unread;
 880         guint total;
 881         GString *str;
 882 };
 883
 884 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 885 {
 886         FolderItem *item;
 887         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 888         gchar *id;
 889
 890         g_return_val_if_fail(node->data != NULL, FALSE);
 891
 892         item = FOLDER_ITEM(node->data);
 893
 894         if (!item->path) return FALSE;
 895
 896         status->new += item->new_msgs;
 897         status->unread += item->unread_msgs;
 898         status->total += item->total_msgs;
 899
 900         if (status->str) {
 901                 id = folder_item_get_identifier(item);
 902                 g_string_sprintfa(status->str, "%5d %5d %5d %s\n",
 903                                   item->new_msgs, item->unread_msgs,
 904                                   item->total_msgs, id);
 905                 g_free(id);
 906         }
 907
 908         return FALSE;
 909  }
 910
 911 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
 912                                        guint *total)
 913 {
 914         GList *list;
 915         Folder *folder;
 916         struct TotalMsgStatus status;
 917
 918         status.new = status.unread = status.total = 0;
 919         status.str = str;
 920
 921         debug_print("Counting total number of messages...\n");
 922
 923         for (list = folder_list; list != NULL; list = list->next) {
 924                 folder = FOLDER(list->data);
 925                 if (folder->node)
 926                         g_node_traverse(folder->node, G_PRE_ORDER,
 927                                         G_TRAVERSE_ALL, -1,
 928                                         folder_get_status_full_all_func,
 929                                         &status);
 930         }
 931
 932         *new = status.new;
 933         *unread = status.unread;
 934         *total = status.total;
 935 }
 936
 937 gchar *folder_get_status(GPtrArray *folders, gboolean full)
 938 {
 939         guint new, unread, total;
 940         GString *str;
 941         gint i;
 942         gchar *ret;
 943
 944         new = unread = total = 0;
 945
 946         str = g_string_new(NULL);
 947
 948         if (folders) {
 949                 for (i = 0; i < folders->len; i++) {
 950                         FolderItem *item;
 951
 952                         item = g_ptr_array_index(folders, i);
 953                         new += item->new_msgs;
 954                         unread += item->unread_msgs;
 955                         total += item->total_msgs;
 956
 957                         if (full) {
 958                                 gchar *id;
 959
 960                                 id = folder_item_get_identifier(item);
 961                                 g_string_sprintfa(str, "%5d %5d %5d %s\n",
 962                                                   item->new_msgs, item->unread_msgs,
 963                                                   item->total_msgs, id);
 964                                 g_free(id);
 965                         }
 966                 }
 967         } else {
 968                 folder_get_status_full_all(full ? str : NULL,
 969                                            &new, &unread, &total);
 970         }
 971
 972         if (full)
 973                 g_string_sprintfa(str, "%5d %5d %5d\n", new, unread, total);
 974         else
 975                 g_string_sprintfa(str, "%d %d %d\n", new, unread, total);
 976
 977         ret = str->str;
 978         g_string_free(str, FALSE);
 979
 980         return ret;
 981 }
 982
 983 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs, guint *unreadmarked_msgs, guint *total_msgs)
 984 {
 985         struct TotalMsgCount count;
 986
 987         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
 988
 989         debug_print("Counting total number of messages...\n");
 990
 991         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 992
 993         *new_msgs = count.new_msgs;
 994         *unread_msgs = count.unread_msgs;
 995         *unreadmarked_msgs = count.unreadmarked_msgs;
 996         *total_msgs = count.total_msgs;
 997 }
 998
 999 Folder *folder_find_from_path(const gchar *path)
1000 {
1001         GList *list;
1002         Folder *folder;
1003
1004         for (list = folder_list; list != NULL; list = list->next) {
1005                 folder = list->data;
1006                 if ((FOLDER_TYPE(folder) == F_MH ||
1007                      FOLDER_TYPE(folder) == F_MBOX) &&
1008                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1009                         return folder;
1010         }
1011
1012         return NULL;
1013 }
1014
1015 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1016 {
1017         GList *list;
1018         Folder *folder;
1019
1020         for (list = folder_list; list != NULL; list = list->next) {
1021                 folder = list->data;
1022                 if (folder->klass == klass &&
1023                     strcmp2(name, folder->name) == 0)
1024                         return folder;
1025         }
1026
1027         return NULL;
1028 }
1029
1030 static gboolean folder_item_find_func(GNode *node, gpointer data)
1031 {
1032         FolderItem *item = node->data;
1033         gpointer *d = data;
1034         const gchar *path = d[0];
1035
1036         if (path_cmp(path, item->path) != 0)
1037                 return FALSE;
1038
1039         d[1] = item;
1040
1041         return TRUE;
1042 }
1043
1044 FolderItem *folder_find_item_from_path(const gchar *path)
1045 {
1046         Folder *folder;
1047         gpointer d[2];
1048
1049         folder = folder_get_default_folder();
1050         g_return_val_if_fail(folder != NULL, NULL);
1051
1052         d[0] = (gpointer)path;
1053         d[1] = NULL;
1054         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1055                         folder_item_find_func, d);
1056         return d[1];
1057 }
1058
1059 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1060 {
1061         GNode *node;
1062         FolderItem *child;
1063
1064         for (node = item->node->children; node != NULL; node = node->next) {
1065                 child = FOLDER_ITEM(node->data);
1066                 if (strcmp2(g_basename(child->path), name) == 0)
1067                         return child;
1068         }
1069
1070         return NULL;
1071 }
1072
1073 FolderClass *folder_get_class_from_string(const gchar *str)
1074 {
1075         GSList *classlist;
1076
1077         classlist = folder_get_class_list();
1078         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1079                 FolderClass *class = (FolderClass *) classlist->data;
1080                 if (g_strcasecmp(class->idstr, str) == 0)
1081                         return class;
1082         }
1083
1084         return NULL;
1085 }
1086
1087 gchar *folder_get_identifier(Folder *folder)
1088 {
1089         gchar *type_str;
1090
1091         g_return_val_if_fail(folder != NULL, NULL);
1092
1093         type_str = folder->klass->idstr;
1094         return g_strconcat("#", type_str, "/", folder->name, NULL);
1095 }
1096
1097 gchar *folder_item_get_identifier(FolderItem *item)
1098 {
1099         gchar *id;
1100         gchar *folder_id;
1101
1102         g_return_val_if_fail(item != NULL, NULL);
1103         g_return_val_if_fail(item->path != NULL, NULL);
1104
1105         folder_id = folder_get_identifier(item->folder);
1106         id = g_strconcat(folder_id, "/", item->path, NULL);
1107         g_free(folder_id);
1108
1109         return id;
1110 }
1111
1112 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1113 {
1114         Folder *folder;
1115         gpointer d[2];
1116         gchar *str;
1117         gchar *p;
1118         gchar *name;
1119         gchar *path;
1120         FolderClass *class;
1121
1122         g_return_val_if_fail(identifier != NULL, NULL);
1123
1124         if (*identifier != '#')
1125                 return folder_find_item_from_path(identifier);
1126
1127         Xstrdup_a(str, identifier, return NULL);
1128
1129         p = strchr(str, '/');
1130         if (!p)
1131                 return folder_find_item_from_path(identifier);
1132         *p = '\0';
1133         p++;
1134         class = folder_get_class_from_string(&str[1]);
1135         if (class == NULL)
1136                 return folder_find_item_from_path(identifier);
1137
1138         name = p;
1139         p = strchr(p, '/');
1140         if (!p)
1141                 return folder_find_item_from_path(identifier);
1142         *p = '\0';
1143         p++;
1144
1145         folder = folder_find_from_name(name, class);
1146         if (!folder)
1147                 return folder_find_item_from_path(identifier);
1148
1149         path = p;
1150
1151         d[0] = (gpointer)path;
1152         d[1] = NULL;
1153         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1154                         folder_item_find_func, d);
1155         return d[1];
1156 }
1157
1158 /**
1159  * Get a displayable name for a FolderItem
1160  *
1161  * \param item FolderItem for that a name should be created
1162  * \return Displayable name for item, returned string has to
1163  *         be freed
1164  */
1165 gchar *folder_item_get_name(FolderItem *item)
1166 {
1167         gchar *name = NULL;
1168
1169         g_return_val_if_fail(item != NULL, g_strdup(""));
1170
1171         switch (item->stype) {
1172         case F_INBOX:
1173                 name = g_strdup(!g_strcasecmp(item->name, INBOX_DIR) ? _("Inbox") :
1174                                 item->name);
1175                 break;
1176         case F_OUTBOX:
1177                 name = g_strdup(!g_strcasecmp(item->name, OUTBOX_DIR) ? _("Sent") :
1178                                 item->name);
1179                 break;
1180         case F_QUEUE:
1181                 name = g_strdup(!g_strcasecmp(item->name, QUEUE_DIR) ? _("Queue") :
1182                                 item->name);
1183                 break;
1184         case F_TRASH:
1185                 name = g_strdup(!g_strcasecmp(item->name, TRASH_DIR) ? _("Trash") :
1186                                 item->name);
1187                 break;
1188         case F_DRAFT:
1189                 name = g_strdup(!g_strcasecmp(item->name, DRAFT_DIR) ? _("Drafts") :
1190                                 item->name);
1191                 break;
1192         default:
1193                 break;
1194         }
1195
1196         if (name == NULL) {
1197                 /*
1198                  * should probably be done by a virtual function,
1199                  * the folder knows the ui string and how to abbrev
1200                 */
1201                 if (folder_item_parent(item) == NULL) {
1202                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1203                 } else {
1204                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1205                             item->path && !strcmp2(item->name, item->path))
1206                                 name = get_abbrev_newsgroup_name
1207                                         (item->path,
1208                                          prefs_common.ng_abbrev_len);
1209                         else
1210                                 name = g_strdup(item->name);
1211                 }
1212         }
1213
1214         if (name == NULL)
1215                 name = g_strdup("");
1216
1217         return name;
1218 }
1219
1220 Folder *folder_get_default_folder(void)
1221 {
1222         return folder_list ? FOLDER(folder_list->data) : NULL;
1223 }
1224
1225 FolderItem *folder_get_default_inbox(void)
1226 {
1227         GList *flist;
1228
1229         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1230                 Folder * folder = FOLDER(flist->data);
1231
1232                 if (folder == NULL)
1233                         continue;
1234                 if (folder->inbox == NULL)
1235                         continue;
1236
1237                 return folder->inbox;
1238         }
1239
1240         return NULL;
1241 }
1242
1243 FolderItem *folder_get_default_outbox(void)
1244 {
1245         GList *flist;
1246
1247         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1248                 Folder * folder = FOLDER(flist->data);
1249
1250                 if (folder == NULL)
1251                         continue;
1252                 if (folder->outbox == NULL)
1253                         continue;
1254
1255                 return folder->outbox;
1256         }
1257
1258         return NULL;
1259 }
1260
1261 FolderItem *folder_get_default_draft(void)
1262 {
1263         GList *flist;
1264
1265         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1266                 Folder * folder = FOLDER(flist->data);
1267
1268                 if (folder == NULL)
1269                         continue;
1270                 if (folder->draft == NULL)
1271                         continue;
1272
1273                 return folder->draft;
1274         }
1275
1276         return NULL;
1277 }
1278
1279 FolderItem *folder_get_default_queue(void)
1280 {
1281         GList *flist;
1282
1283         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1284                 Folder * folder = FOLDER(flist->data);
1285
1286                 if (folder == NULL)
1287                         continue;
1288                 if (folder->queue == NULL)
1289                         continue;
1290
1291                 return folder->queue;
1292         }
1293
1294         return NULL;
1295 }
1296
1297 FolderItem *folder_get_default_trash(void)
1298 {
1299         GList *flist;
1300
1301         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1302                 Folder * folder = FOLDER(flist->data);
1303
1304                 if (folder == NULL)
1305                         continue;
1306                 if (folder->trash == NULL)
1307                         continue;
1308
1309                 return folder->trash;
1310         }
1311
1312         return NULL;
1313 }
1314
1315 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1316 {                                                               \
1317         if (!folder->member) {                                  \
1318                 item = folder_item_new(folder, dir, dir);       \
1319                 item->stype = type;                             \
1320                 folder_item_append(rootitem, item);             \
1321                 folder->member = item;                          \
1322         }                                                       \
1323 }
1324
1325 void folder_set_missing_folders(void)
1326 {
1327         Folder *folder;
1328         FolderItem *rootitem;
1329         FolderItem *item;
1330         GList *list;
1331
1332         for (list = folder_list; list != NULL; list = list->next) {
1333                 folder = list->data;
1334                 if (FOLDER_TYPE(folder) != F_MH) continue;
1335                 rootitem = FOLDER_ITEM(folder->node->data);
1336                 g_return_if_fail(rootitem != NULL);
1337
1338                 if (folder->inbox && folder->outbox && folder->draft &&
1339                     folder->queue && folder->trash)
1340                         continue;
1341
1342                 if (folder->klass->create_tree(folder) < 0) {
1343                         g_warning("%s: can't create the folder tree.\n",
1344                                   LOCAL_FOLDER(folder)->rootpath);
1345                         continue;
1346                 }
1347
1348                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1349                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1350                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1351                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1352                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1353         }
1354 }
1355
1356 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1357 {
1358         FolderItem *item = node->data;
1359         PrefsAccount *account = data;
1360
1361         if (item->account == account)
1362                 item->account = NULL;
1363
1364         return FALSE;
1365 }
1366
1367 void folder_unref_account_all(PrefsAccount *account)
1368 {
1369         Folder *folder;
1370         GList *list;
1371
1372         if (!account) return;
1373
1374         for (list = folder_list; list != NULL; list = list->next) {
1375                 folder = list->data;
1376                 if (folder->account == account)
1377                         folder->account = NULL;
1378                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1379                                 folder_unref_account_func, account);
1380         }
1381 }
1382
1383 #undef CREATE_FOLDER_IF_NOT_EXIST
1384
1385 gchar *folder_item_get_path(FolderItem *item)
1386 {
1387         Folder *folder;
1388
1389         g_return_val_if_fail(item != NULL, NULL);
1390         folder = item->folder;
1391         g_return_val_if_fail(folder != NULL, NULL);
1392
1393         return folder->klass->item_get_path(folder, item);
1394 }
1395
1396 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1397 {
1398         if (!(dest->stype == F_OUTBOX ||
1399               dest->stype == F_QUEUE  ||
1400               dest->stype == F_DRAFT  ||
1401               dest->stype == F_TRASH)) {
1402                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1403         } else {
1404                 flags->perm_flags = 0;
1405         }
1406         if (FOLDER_TYPE(dest->folder) == F_MH) {
1407                 if (dest->stype == F_QUEUE) {
1408                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1409                 } else if (dest->stype == F_DRAFT) {
1410                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1411                 }
1412         }
1413 }
1414
1415 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1416 {
1417         MsgInfo *msginfo_a = (MsgInfo *) a;
1418         MsgInfo *msginfo_b = (MsgInfo *) b;
1419
1420         return (msginfo_a->msgnum - msginfo_b->msgnum);
1421 }
1422
1423 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1424 {
1425         guint gint_a = GPOINTER_TO_INT(a);
1426         guint gint_b = GPOINTER_TO_INT(b);
1427
1428         return (gint_a - gint_b);
1429 }
1430
1431 gint folder_item_open(FolderItem *item)
1432 {
1433         gchar *buf;
1434         if((item->folder->klass->scan_required != NULL) &&
1435            (item->folder->klass->scan_required(item->folder, item))) {
1436                 folder_item_scan_full(item, TRUE);
1437         }
1438         folder_item_syncronize_flags(item);
1439
1440         /* Processing */
1441         buf = g_strdup_printf(_("Processing (%s)...\n"),
1442                               item->path ? item->path : item->name);
1443         debug_print("%s\n", buf);
1444         g_free(buf);
1445
1446         folder_item_apply_processing(item);
1447
1448         item->opened = TRUE;
1449
1450         debug_print("done.\n");
1451
1452         return 0;
1453 }
1454
1455 gint folder_item_close(FolderItem *item)
1456 {
1457         GSList *mlist, *cur;
1458         Folder *folder;
1459
1460         g_return_val_if_fail(item != NULL, -1);
1461
1462         if (item->new_msgs) {
1463                 folder_item_update_freeze();
1464                 mlist = folder_item_get_msg_list(item);
1465                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1466                         MsgInfo * msginfo;
1467
1468                         msginfo = (MsgInfo *) cur->data;
1469                         if (MSG_IS_NEW(msginfo->flags))
1470                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1471                         procmsg_msginfo_free(msginfo);
1472                 }
1473                 g_slist_free(mlist);
1474                 folder_item_update_thaw();
1475         }
1476
1477         folder_item_write_cache(item);
1478
1479         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1480
1481         item->opened = FALSE;
1482         folder = item->folder;
1483
1484         if (folder->klass->close == NULL)
1485                 return 0;
1486
1487         return folder->klass->close(folder, item);
1488 }
1489
1490 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1491 {
1492         MsgInfoList *msglist = NULL;
1493         Folder *folder = item->folder;
1494
1495         if (folder->klass->get_msginfos != NULL)
1496                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1497         else {
1498                 MsgNumberList *elem;
1499
1500                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1501                         MsgInfo *msginfo;
1502                         guint num;
1503
1504                         num = GPOINTER_TO_INT(elem->data);
1505                         msginfo = folder->klass->get_msginfo(folder, item, num);
1506                         if (msginfo != NULL)
1507                                 msglist = g_slist_prepend(msglist, msginfo);
1508                 }
1509         }
1510
1511         return msglist;
1512 }
1513
1514 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1515 {
1516         MsgNumberList numlist;
1517         MsgInfoList *msglist;
1518         MsgInfo *msginfo = NULL;
1519
1520         numlist.data = GINT_TO_POINTER(num);
1521         numlist.next = NULL;
1522         msglist = get_msginfos(item, &numlist);
1523         if (msglist != NULL)
1524                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1525         procmsg_msg_list_free(msglist);
1526
1527         return msginfo;
1528 }
1529
1530 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1531 {
1532         GRelation *relation;
1533         gint ret = 0;
1534         GSList *cur;
1535
1536         if(msglist == NULL)
1537                 return 0;
1538         if(item->folder->klass->get_flags == NULL)
1539                 return 0;
1540
1541         relation = g_relation_new(2);
1542         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1543         if ((ret = item->folder->klass->get_flags(
1544             item->folder, item, msglist, relation)) == 0) {
1545                 GTuples *tuples;
1546                 MsgInfo *msginfo;
1547                 MsgPermFlags permflags;
1548                 gboolean skip;
1549
1550                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1551                         msginfo = (MsgInfo *) cur->data;
1552
1553                         tuples = g_relation_select(relation, msginfo, 0);
1554                         skip = tuples->len < 1;
1555                         if (!skip)
1556                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1557                         g_tuples_destroy(tuples);
1558                         if (skip)
1559                                 continue;
1560
1561                         if (msginfo->flags.perm_flags != permflags) {
1562                                 procmsg_msginfo_set_flags(msginfo,
1563                                         permflags & ~msginfo->flags.perm_flags, 0);
1564                                 procmsg_msginfo_unset_flags(msginfo,
1565                                         ~permflags & msginfo->flags.perm_flags, 0);
1566                         }
1567                 }
1568         }
1569         g_relation_destroy(relation);
1570
1571         return ret;
1572 }
1573
1574 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1575 {
1576         Folder *folder;
1577         GSList *folder_list = NULL, *cache_list = NULL;
1578         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1579         GSList *exists_list = NULL, *elem;
1580         GSList *newmsg_list = NULL;
1581         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1582         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1583         gboolean update_flags = 0, old_uids_valid = FALSE;
1584
1585         g_return_val_if_fail(item != NULL, -1);
1586         if (item->path == NULL) return -1;
1587
1588         folder = item->folder;
1589
1590         g_return_val_if_fail(folder != NULL, -1);
1591         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1592
1593         debug_print("Scanning folder %s for cache changes.\n", item->path);
1594
1595         /* Get list of messages for folder and cache */
1596         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1597                 debug_print("Error fetching list of message numbers\n");
1598                 return(-1);
1599         }
1600
1601         if (old_uids_valid) {
1602                 if (!item->cache)
1603                         folder_item_read_cache(item);
1604                 cache_list = msgcache_get_msg_list(item->cache);
1605         } else {
1606                 if (item->cache)
1607                         msgcache_destroy(item->cache);
1608                 item->cache = msgcache_new();
1609                 cache_list = NULL;
1610         }
1611
1612         /* Sort both lists */
1613         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1614         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1615
1616         cache_list_cur = cache_list;
1617         folder_list_cur = folder_list;
1618
1619         if (cache_list_cur != NULL) {
1620                 GSList *cache_list_last;
1621
1622                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1623                 cache_list_last = g_slist_last(cache_list);
1624                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1625         } else {
1626                 cache_cur_num = G_MAXINT;
1627                 cache_max_num = 0;
1628         }
1629
1630         if (folder_list_cur != NULL) {
1631                 GSList *folder_list_last;
1632
1633                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1634                 folder_list_last = g_slist_last(folder_list);
1635                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1636         } else {
1637                 folder_cur_num = G_MAXINT;
1638                 folder_max_num = 0;
1639         }
1640
1641         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1642                 /*
1643                  *  Message only exists in the folder
1644                  *  Remember message for fetching
1645                  */
1646                 if (folder_cur_num < cache_cur_num) {
1647                         gboolean add = FALSE;
1648
1649                         switch(FOLDER_TYPE(folder)) {
1650                                 case F_NEWS:
1651                                         if (folder_cur_num < cache_max_num)
1652                                                 break;
1653
1654                                         if (folder->account->max_articles == 0) {
1655                                                 add = TRUE;
1656                                         }
1657
1658                                         if (folder_max_num <= folder->account->max_articles) {
1659                                                 add = TRUE;
1660                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1661                                                 add = TRUE;
1662                                         }
1663                                         break;
1664                                 default:
1665                                         add = TRUE;
1666                                         break;
1667                         }
1668
1669                         if (add) {
1670                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1671                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1672                         }
1673
1674                         /* Move to next folder number */
1675                         folder_list_cur = folder_list_cur->next;
1676
1677                         if (folder_list_cur != NULL)
1678                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1679                         else
1680                                 folder_cur_num = G_MAXINT;
1681
1682                         continue;
1683                 }
1684
1685                 /*
1686                  *  Message only exists in the cache
1687                  *  Remove the message from the cache
1688                  */
1689                 if (cache_cur_num < folder_cur_num) {
1690                         msgcache_remove_msg(item->cache, cache_cur_num);
1691                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1692
1693                         /* Move to next cache number */
1694                         cache_list_cur = cache_list_cur->next;
1695
1696                         if (cache_list_cur != NULL)
1697                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1698                         else
1699                                 cache_cur_num = G_MAXINT;
1700
1701                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1702
1703                         continue;
1704                 }
1705
1706                 /*
1707                  *  Message number exists in folder and cache!
1708                  *  Check if the message has been modified
1709                  */
1710                 if (cache_cur_num == folder_cur_num) {
1711                         MsgInfo *msginfo;
1712
1713                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1714                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1715                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1716                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1717                                 procmsg_msginfo_free(msginfo);
1718
1719                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1720                         } else
1721                                 exists_list = g_slist_prepend(exists_list, msginfo);
1722
1723                         /* Move to next folder and cache number */
1724                         cache_list_cur = cache_list_cur->next;
1725                         folder_list_cur = folder_list_cur->next;
1726
1727                         if (cache_list_cur != NULL)
1728                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1729                         else
1730                                 cache_cur_num = G_MAXINT;
1731
1732                         if (folder_list_cur != NULL)
1733                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1734                         else
1735                                 folder_cur_num = G_MAXINT;
1736
1737                         continue;
1738                 }
1739         }
1740
1741         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1742                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1743
1744         g_slist_free(cache_list);
1745         g_slist_free(folder_list);
1746
1747         if (new_list != NULL) {
1748                 newmsg_list = get_msginfos(item, new_list);
1749                 g_slist_free(new_list);
1750         }
1751
1752         syncronize_flags(item, exists_list);
1753
1754         folder_item_update_freeze();
1755         if (newmsg_list != NULL) {
1756                 GSList *elem;
1757
1758                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1759                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1760
1761                         msgcache_add_msg(item->cache, msginfo);
1762                         if ((filtering == TRUE) &&
1763                             (item->stype == F_INBOX) &&
1764                             (item->folder->account != NULL) &&
1765                             (item->folder->account->filter_on_recv) &&
1766                             procmsg_msginfo_filter(msginfo))
1767                                 procmsg_msginfo_free(msginfo);
1768                         else
1769                                 exists_list = g_slist_prepend(exists_list, msginfo);
1770                 }
1771                 g_slist_free(newmsg_list);
1772
1773                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1774         }
1775
1776         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1777                 MsgInfo *msginfo;
1778
1779                 msginfo = elem->data;
1780                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1781                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1782                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1783                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1784                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1785                 }
1786                 if ((item->stype == F_OUTBOX ||
1787                      item->stype == F_QUEUE  ||
1788                      item->stype == F_DRAFT  ||
1789                      item->stype == F_TRASH) &&
1790                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1791                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1792                 if (MSG_IS_NEW(msginfo->flags))
1793                         newcnt++;
1794                 if (MSG_IS_UNREAD(msginfo->flags))
1795                         unreadcnt++;
1796                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1797                         unreadmarkedcnt++;
1798                 totalcnt++;
1799
1800                 procmsg_msginfo_free(msginfo);
1801         }
1802         g_slist_free(exists_list);
1803
1804         item->new_msgs = newcnt;
1805         item->unread_msgs = unreadcnt;
1806         item->total_msgs = totalcnt;
1807         item->unreadmarked_msgs = unreadmarkedcnt;
1808
1809         update_flags |= F_ITEM_UPDATE_MSGCNT;
1810
1811         folder_item_update(item, update_flags);
1812         folder_item_update_thaw();
1813
1814         return 0;
1815 }
1816
1817 gint folder_item_scan(FolderItem *item)
1818 {
1819         return folder_item_scan_full(item, TRUE);
1820 }
1821
1822 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1823 {
1824         FolderItem *item = node->data;
1825
1826         folder_item_scan(item);
1827
1828         return FALSE;
1829 }
1830
1831 void folder_scan_all_items(Folder * folder)
1832 {
1833         g_node_traverse(folder->node, G_PRE_ORDER,
1834                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1835 }
1836
1837 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1838                                           gpointer data)
1839 {
1840         folder_item_scan(FOLDER_ITEM(key));
1841 }
1842
1843 void folder_item_scan_foreach(GHashTable *table)
1844 {
1845         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1846 }
1847
1848 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1849 {
1850         gint *memusage = (gint *)data;
1851
1852         if (item->cache == NULL)
1853                 return;
1854
1855         *memusage += msgcache_get_memory_usage(item->cache);
1856 }
1857
1858 gint folder_item_syncronize_flags(FolderItem *item)
1859 {
1860         MsgInfoList *msglist = NULL;
1861         GSList *cur;
1862         gint ret = 0;
1863
1864         g_return_val_if_fail(item != NULL, -1);
1865         g_return_val_if_fail(item->folder != NULL, -1);
1866         g_return_val_if_fail(item->folder->klass != NULL, -1);
1867
1868         if (item->cache == NULL)
1869                 folder_item_read_cache(item);
1870
1871         msglist = msgcache_get_msg_list(item->cache);
1872
1873         ret = syncronize_flags(item, msglist);
1874
1875         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1876                 procmsg_msginfo_free((MsgInfo *) cur->data);
1877
1878         return ret;
1879 }
1880
1881 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1882 {
1883         FolderItem *fa = (FolderItem *)a;
1884         FolderItem *fb = (FolderItem *)b;
1885
1886         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1887 }
1888
1889 void folder_find_expired_caches(FolderItem *item, gpointer data)
1890 {
1891         GSList **folder_item_list = (GSList **)data;
1892         gint difftime, expiretime;
1893
1894         if (item->cache == NULL)
1895                 return;
1896
1897         if (item->opened > 0)
1898                 return;
1899
1900         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1901         expiretime = prefs_common.cache_min_keep_time * 60;
1902         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1903         if (difftime > expiretime) {
1904                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1905         }
1906 }
1907
1908 void folder_item_free_cache(FolderItem *item)
1909 {
1910         g_return_if_fail(item != NULL);
1911
1912         if (item->cache == NULL)
1913                 return;
1914
1915         if (item->opened > 0)
1916                 return;
1917
1918         folder_item_write_cache(item);
1919         msgcache_destroy(item->cache);
1920         item->cache = NULL;
1921 }
1922
1923 void folder_clean_cache_memory(void)
1924 {
1925         gint memusage = 0;
1926
1927         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1928         debug_print("Total cache memory usage: %d\n", memusage);
1929
1930         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1931                 GSList *folder_item_list = NULL, *listitem;
1932
1933                 debug_print("Trying to free cache memory\n");
1934
1935                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1936                 listitem = folder_item_list;
1937                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1938                         FolderItem *item = (FolderItem *)(listitem->data);
1939
1940                         debug_print("Freeing cache memory for %s\n", item->path);
1941                         memusage -= msgcache_get_memory_usage(item->cache);
1942                         folder_item_free_cache(item);
1943                         listitem = listitem->next;
1944                 }
1945                 g_slist_free(folder_item_list);
1946         }
1947 }
1948
1949 void folder_item_read_cache(FolderItem *item)
1950 {
1951         gchar *cache_file, *mark_file;
1952
1953         g_return_if_fail(item != NULL);
1954
1955         if (item->path != NULL) {
1956                 cache_file = folder_item_get_cache_file(item);
1957                 mark_file = folder_item_get_mark_file(item);
1958                 item->cache = msgcache_read_cache(item, cache_file);
1959                 if (!item->cache) {
1960                         MsgInfoList *list, *cur;
1961                         guint newcnt = 0, unreadcnt = 0, unreadmarkedcnt = 0;
1962                         MsgInfo *msginfo;
1963
1964                         item->cache = msgcache_new();
1965                         folder_item_scan_full(item, TRUE);
1966
1967                         msgcache_read_mark(item->cache, mark_file);
1968
1969                         list = msgcache_get_msg_list(item->cache);
1970                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
1971                                 msginfo = cur->data;
1972
1973                                 if (MSG_IS_NEW(msginfo->flags))
1974                                         newcnt++;
1975                                 if (MSG_IS_UNREAD(msginfo->flags))
1976                                         unreadcnt++;
1977                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1978                                         unreadmarkedcnt++;
1979                         }
1980                         item->new_msgs = newcnt;
1981                         item->unread_msgs = unreadcnt;
1982                         item->unreadmarked_msgs = unreadmarkedcnt;
1983                         procmsg_msg_list_free(list);
1984                 } else
1985                         msgcache_read_mark(item->cache, mark_file);
1986
1987                 g_free(cache_file);
1988                 g_free(mark_file);
1989         } else {
1990                 item->cache = msgcache_new();
1991         }
1992
1993         folder_clean_cache_memory();
1994 }
1995
1996 void folder_item_write_cache(FolderItem *item)
1997 {
1998         gchar *cache_file, *mark_file;
1999         FolderItemPrefs *prefs;
2000         gint filemode = 0;
2001         gchar *id;
2002
2003         if (!item || !item->path || !item->cache)
2004                 return;
2005
2006         id = folder_item_get_identifier(item);
2007         debug_print("Save cache for folder %s\n", id);
2008         g_free(id);
2009
2010         cache_file = folder_item_get_cache_file(item);
2011         mark_file = folder_item_get_mark_file(item);
2012         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2013                 prefs = item->prefs;
2014                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2015                         /* for cache file */
2016                         filemode = prefs->folder_chmod;
2017                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2018                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2019                         chmod(cache_file, filemode);
2020                 }
2021         }
2022
2023         g_free(cache_file);
2024         g_free(mark_file);
2025 }
2026
2027 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2028 {
2029         Folder *folder;
2030         MsgInfo *msginfo = NULL;
2031
2032         g_return_val_if_fail(item != NULL, NULL);
2033
2034         folder = item->folder;
2035         if (!item->cache)
2036                 folder_item_read_cache(item);
2037
2038         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2039                 return msginfo;
2040
2041         msginfo = get_msginfo(item, num);
2042         if (msginfo != NULL) {
2043                 msgcache_add_msg(item->cache, msginfo);
2044                 return msginfo;
2045         }
2046
2047         return NULL;
2048 }
2049
2050 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2051 {
2052         Folder *folder;
2053         MsgInfo *msginfo;
2054
2055         g_return_val_if_fail(item != NULL, NULL);
2056         g_return_val_if_fail(msgid != NULL, NULL);
2057
2058         folder = item->folder;
2059         if (!item->cache)
2060                 folder_item_read_cache(item);
2061
2062         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2063                 return msginfo;
2064
2065         return NULL;
2066 }
2067
2068 GSList *folder_item_get_msg_list(FolderItem *item)
2069 {
2070         g_return_val_if_fail(item != NULL, NULL);
2071
2072         if (item->cache == 0)
2073                 folder_item_read_cache(item);
2074
2075         g_return_val_if_fail(item->cache != NULL, NULL);
2076
2077         return msgcache_get_msg_list(item->cache);
2078 }
2079
2080 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2081 {
2082         MsgInfo *msginfo = data;
2083         MimeInfo *mimeinfo = node->data;
2084
2085         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT) {
2086                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2087         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2088                  mimeinfo->type != MIMETYPE_TEXT &&
2089                  mimeinfo->type != MIMETYPE_MULTIPART) {
2090                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2091         }
2092
2093         /* don't descend below top level message for signed and encrypted info */
2094         if (mimeinfo->type == MIMETYPE_MESSAGE)
2095                 return;
2096
2097         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2098                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2099         }
2100
2101         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2102                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2103         } else {
2104                 /* searching inside encrypted parts doesn't really make sense */
2105                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2106         }
2107 }
2108
2109 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2110 {
2111         Folder *folder;
2112         gchar *msgfile;
2113         MsgInfo *msginfo;
2114
2115         g_return_val_if_fail(item != NULL, NULL);
2116
2117         folder = item->folder;
2118
2119         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2120
2121         msgfile = folder->klass->fetch_msg(folder, item, num);
2122
2123         if (msgfile != NULL) {
2124                 msginfo = folder_item_get_msginfo(item, num);
2125                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2126                         MimeInfo *mimeinfo;
2127
2128                         if (msginfo->folder->stype != F_QUEUE &&
2129                             msginfo->folder->stype != F_DRAFT)
2130                                 mimeinfo = procmime_scan_file(msgfile);
2131                         else
2132                                 mimeinfo = procmime_scan_queue_file(msgfile);
2133                         /* check for attachments */
2134                         if (mimeinfo != NULL) {
2135                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2136                                 procmime_mimeinfo_free_all(mimeinfo);
2137
2138                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2139                         }
2140                 }
2141         }
2142
2143         return msgfile;
2144 }
2145
2146 gint folder_item_fetch_all_msg(FolderItem *item)
2147 {
2148         Folder *folder;
2149         GSList *mlist;
2150         GSList *cur;
2151         gint num = 0;
2152         gint ret = 0;
2153
2154         g_return_val_if_fail(item != NULL, -1);
2155
2156         debug_print("fetching all messages in %s ...\n", item->path);
2157
2158         folder = item->folder;
2159
2160         if (folder->ui_func)
2161                 folder->ui_func(folder, item, folder->ui_func_data ?
2162                                 folder->ui_func_data : GINT_TO_POINTER(num));
2163
2164         mlist = folder_item_get_msg_list(item);
2165
2166         for (cur = mlist; cur != NULL; cur = cur->next) {
2167                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2168                 gchar *msg;
2169
2170                 num++;
2171                 if (folder->ui_func)
2172                         folder->ui_func(folder, item,
2173                                         folder->ui_func_data ?
2174                                         folder->ui_func_data :
2175                                         GINT_TO_POINTER(num));
2176
2177                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2178                 if (!msg) {
2179                         g_warning("Can't fetch message %d. Aborting.\n",
2180                                   msginfo->msgnum);
2181                         ret = -1;
2182                         break;
2183                 }
2184                 g_free(msg);
2185         }
2186
2187         procmsg_msg_list_free(mlist);
2188
2189         return ret;
2190 }
2191
2192 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2193 {
2194         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2195                                        {NULL,           NULL, FALSE}};
2196         FILE *fp;
2197         MsgInfo *msginfo;
2198         gint msgnum = 0;
2199         gchar buf[BUFFSIZE];
2200
2201         if ((fp = fopen(file, "rb")) == NULL)
2202                 return 0;
2203
2204         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
2205                 while (fgets(buf, sizeof(buf), fp) != NULL)
2206                         if (buf[0] == '\r' || buf[0] == '\n') break;
2207
2208         procheader_get_header_fields(fp, hentry);
2209         if (hentry[0].body) {
2210                 extract_parenthesis(hentry[0].body, '<', '>');
2211                 remove_space(hentry[0].body);
2212                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2213                         msgnum = msginfo->msgnum;
2214                         procmsg_msginfo_free(msginfo);
2215
2216                         debug_print("found message as uid %d\n", msgnum);
2217                 }
2218         }
2219
2220         g_free(hentry[0].body);
2221         hentry[0].body = NULL;
2222         fclose(fp);
2223
2224         return msgnum;
2225 }
2226
2227 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2228 {
2229         MsgPermFlags perm_flags = 0;
2230         MsgTmpFlags tmp_flags = 0;
2231
2232         /* create new flags */
2233         if (source != NULL) {
2234                 /* copy original flags */
2235                 perm_flags = source->flags.perm_flags;
2236                 tmp_flags = source->flags.tmp_flags;
2237         } else {
2238                 perm_flags = dest->flags.perm_flags;
2239                 tmp_flags = dest->flags.tmp_flags;
2240         }
2241
2242         /* remove new, unread and deleted in special folders */
2243         if (dest->folder->stype == F_OUTBOX ||
2244             dest->folder->stype == F_QUEUE  ||
2245             dest->folder->stype == F_DRAFT  ||
2246             dest->folder->stype == F_TRASH)
2247                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2248
2249         /* set ignore flag of ignored parent exists */
2250         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2251                 perm_flags |= MSG_IGNORE_THREAD;
2252
2253         /* Unset tmp flags that should not be copied */
2254         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
2255
2256         /* unset flags that are set but should not */
2257         procmsg_msginfo_unset_flags(dest,
2258                                     dest->flags.perm_flags & ~perm_flags,
2259                                     dest->flags.tmp_flags  & ~tmp_flags);
2260         /* set new flags */
2261         procmsg_msginfo_set_flags(dest,
2262                                   ~dest->flags.perm_flags & perm_flags,
2263                                   ~dest->flags.tmp_flags  & tmp_flags);
2264 }
2265
2266 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2267 {
2268         /* update folder stats */
2269         if (MSG_IS_NEW(newmsginfo->flags))
2270                 item->new_msgs++;
2271         if (MSG_IS_UNREAD(newmsginfo->flags))
2272                 item->unread_msgs++;
2273         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2274                 item->unreadmarked_msgs++;
2275         item->total_msgs++;
2276
2277         folder_item_update_freeze();
2278         msgcache_add_msg(item->cache, newmsginfo);
2279         copy_msginfo_flags(flagsource, newmsginfo);
2280         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2281         folder_item_update_thaw();
2282 }
2283
2284 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2285 {
2286         MsgInfoUpdate msginfo_update;
2287
2288         if (!item->cache)
2289                 folder_item_read_cache(item);
2290
2291         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2292                 msginfo->folder->new_msgs--;
2293         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2294                 msginfo->folder->unread_msgs--;
2295         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2296                 msginfo->folder->unreadmarked_msgs--;
2297         msginfo->folder->total_msgs--;
2298
2299         msginfo_update.msginfo = msginfo;
2300         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2301         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2302
2303         msgcache_remove_msg(item->cache, msginfo->msgnum);
2304         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2305 }
2306
2307 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2308                          MsgFlags *flags, gboolean remove_source)
2309 {
2310         GSList file_list;
2311         MsgFileInfo fileinfo;
2312
2313         g_return_val_if_fail(dest != NULL, -1);
2314         g_return_val_if_fail(file != NULL, -1);
2315
2316         fileinfo.msginfo = NULL;
2317         fileinfo.file = (gchar *)file;
2318         fileinfo.flags = flags;
2319         file_list.data = &fileinfo;
2320         file_list.next = NULL;
2321
2322         return folder_item_add_msgs(dest, &file_list, remove_source);
2323 }
2324
2325 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2326                           gboolean remove_source)
2327 {
2328         Folder *folder;
2329         gint ret, num, lastnum = -1;
2330         GSList *file_cur;
2331         GRelation *relation;
2332         MsgFileInfo *fileinfo = NULL;
2333         gboolean folderscan = FALSE;
2334
2335         g_return_val_if_fail(dest != NULL, -1);
2336         g_return_val_if_fail(file_list != NULL, -1);
2337         g_return_val_if_fail(dest->folder != NULL, -1);
2338
2339         folder = dest->folder;
2340
2341         relation = g_relation_new(2);
2342         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2343
2344         if (folder->klass->add_msgs != NULL) {
2345                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2346                 if (ret < 0) {
2347                         g_relation_destroy(relation);
2348                         return ret;
2349                 }
2350         } else {
2351                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2352                         fileinfo = (MsgFileInfo *) file_cur->data;
2353
2354                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2355                         if (ret < 0) {
2356                                 g_relation_destroy(relation);
2357                                 return ret;
2358                         }
2359                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2360                 }
2361         }
2362
2363         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2364                 GTuples *tuples;
2365
2366                 fileinfo = (MsgFileInfo *) file_cur->data;
2367                 tuples = g_relation_select(relation, fileinfo, 0);
2368                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2369                 g_tuples_destroy(tuples);
2370
2371                 if (num >= 0) {
2372                         MsgInfo *newmsginfo;
2373
2374                         if (num == 0) {
2375                                 if (!folderscan) {
2376                                         folder_item_scan_full(dest, FALSE);
2377                                         folderscan = TRUE;
2378                                 }
2379                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2380                         }
2381
2382                         if (num > lastnum)
2383                                 lastnum = num;
2384
2385                         if (num >= 0 && remove_source) {
2386                                 if (unlink(fileinfo->file) < 0)
2387                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2388                         }
2389
2390                         if (num == 0)
2391                                 continue;
2392
2393                         if (!folderscan &&
2394                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2395                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2396                                 procmsg_msginfo_free(newmsginfo);
2397                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2398                                 /* TODO: set default flags */
2399                                 procmsg_msginfo_free(newmsginfo);
2400                         }
2401                 }
2402         }
2403
2404         g_relation_destroy(relation);
2405
2406         return lastnum;
2407 }
2408
2409 /*
2410 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2411 {
2412         Folder *folder;
2413         gint num;
2414
2415         g_return_val_if_fail(dest != NULL, -1);
2416         g_return_val_if_fail(msginfo != NULL, -1);
2417
2418         folder = dest->folder;
2419         if (dest->last_num < 0) folder->scan(folder, dest);
2420
2421         num = folder->move_msg(folder, dest, msginfo);
2422         if (num > 0) dest->last_num = num;
2423
2424         return num;
2425 }
2426 */
2427
2428 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2429 {
2430         GSList *mlist;
2431         FolderItem *new_item;
2432         FolderItem *next_item;
2433         GNode *srcnode;
2434         gchar *old_id, *new_id;
2435
2436         mlist = folder_item_get_msg_list(src);
2437
2438         /* move messages */
2439         debug_print("Moving %s to %s\n", src->path, dest->path);
2440         new_item = folder_create_folder(dest, src->name);
2441         if (new_item == NULL) {
2442                 printf("Can't create folder\n");
2443                 return NULL;
2444         }
2445
2446         if (new_item->folder == NULL)
2447                 new_item->folder = dest->folder;
2448
2449         /* move messages */
2450         log_message(_("Moving %s to %s...\n"),
2451                         src->name, new_item->path);
2452         if (mlist != NULL)
2453                 folder_item_move_msgs(new_item, mlist);
2454
2455         /*copy prefs*/
2456         folder_item_prefs_copy_prefs(src, new_item);
2457         new_item->collapsed = src->collapsed;
2458         new_item->thread_collapsed = src->thread_collapsed;
2459         new_item->threaded  = src->threaded;
2460         new_item->ret_rcpt  = src->ret_rcpt;
2461         new_item->hide_read_msgs = src->hide_read_msgs;
2462         new_item->sort_key  = src->sort_key;
2463         new_item->sort_type = src->sort_type;
2464
2465         prefs_matcher_write_config();
2466
2467         /* recurse */
2468         srcnode = src->folder->node;
2469         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2470         srcnode = srcnode->children;
2471         while (srcnode != NULL) {
2472                 if (srcnode && srcnode->data) {
2473                         next_item = (FolderItem*) srcnode->data;
2474                         srcnode = srcnode->next;
2475                         if (folder_item_move_recursive(next_item, new_item) == NULL)
2476                                 return NULL;
2477                 }
2478         }
2479         old_id = folder_item_get_identifier(src);
2480         new_id = folder_item_get_identifier(new_item);
2481         debug_print("updating rules : %s => %s\n", old_id, new_id);
2482
2483         /* if src supports removing, otherwise only copy folder */
2484         if (src->folder->klass->remove_folder != NULL)
2485                 src->folder->klass->remove_folder(src->folder, src);
2486         folder_write_list();
2487
2488         if (old_id != NULL && new_id != NULL)
2489                 prefs_filtering_rename_path(old_id, new_id);
2490         g_free(old_id);
2491         g_free(new_id);
2492
2493         return new_item;
2494 }
2495
2496 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2497 {
2498         FolderItem *tmp = folder_item_parent(dest);
2499         gchar * src_identifier, * dst_identifier;
2500         gchar * phys_srcpath, * phys_dstpath;
2501
2502         while (tmp) {
2503                 if (tmp == src) {
2504                         return F_MOVE_FAILED_DEST_IS_CHILD;
2505                 }
2506                 tmp = folder_item_parent(tmp);;
2507         }
2508
2509         tmp = folder_item_parent(src);
2510
2511         src_identifier = folder_item_get_identifier(src);
2512         dst_identifier = folder_item_get_identifier(dest);
2513
2514         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2515                 /* dest can be a root folder */
2516                 dst_identifier = folder_get_identifier(dest->folder);
2517         }
2518         if (src_identifier == NULL || dst_identifier == NULL) {
2519                 debug_print("Can't get identifiers\n");
2520                 return F_MOVE_FAILED;
2521         }
2522
2523         if (src->folder != dest->folder) {
2524                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2525         }
2526
2527         phys_srcpath = folder_item_get_path(src);
2528         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
2529
2530         if (folder_item_parent(src) == dest || src == dest) {
2531                 g_free(src_identifier);
2532                 g_free(dst_identifier);
2533                 g_free(phys_srcpath);
2534                 g_free(phys_dstpath);
2535                 return F_MOVE_FAILED_DEST_IS_PARENT;
2536         }
2537         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2538         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2539                 return F_MOVE_FAILED;
2540         }
2541
2542         g_free(src_identifier);
2543         g_free(dst_identifier);
2544         g_free(phys_srcpath);
2545         g_free(phys_dstpath);
2546
2547         *new_item = tmp;
2548
2549         return F_MOVE_OK;
2550 }
2551
2552 /**
2553  * Copy a list of message to a new folder and remove
2554  * source messages if wanted
2555  */
2556 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2557 {
2558         Folder *folder;
2559         GSList *l;
2560         gint num, lastnum = -1;
2561         gboolean folderscan = FALSE;
2562         GRelation *relation;
2563
2564         g_return_val_if_fail(dest != NULL, -1);
2565         g_return_val_if_fail(msglist != NULL, -1);
2566
2567         folder = dest->folder;
2568
2569         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2570
2571         relation = g_relation_new(2);
2572         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2573         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2574
2575         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2576                 MsgInfo * msginfo = (MsgInfo *) l->data;
2577
2578                 if (msginfo->planned_download != 0) {
2579                         int old_planned = msginfo->planned_download;
2580                         partial_unmark(msginfo);
2581                         /* little hack to reenable after */
2582                         msginfo->planned_download = old_planned;
2583                 }
2584         }
2585
2586         /*
2587          * Copy messages to destination folder and
2588          * store new message numbers in newmsgnums
2589          */
2590         if (folder->klass->copy_msgs != NULL) {
2591                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2592                         g_relation_destroy(relation);
2593                         return -1;
2594                 }
2595         } else {
2596                 for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2597                         MsgInfo * msginfo = (MsgInfo *) l->data;
2598
2599                         num = folder->klass->copy_msg(folder, dest, msginfo);
2600                         g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
2601                 }
2602         }
2603
2604         /* Read cache for dest folder */
2605         if (!dest->cache) folder_item_read_cache(dest);
2606
2607         /*
2608          * Fetch new MsgInfos for new messages in dest folder,
2609          * add them to the msgcache and update folder message counts
2610          */
2611         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
2612                 folder_item_scan_full(dest, FALSE);
2613                 folderscan = TRUE;
2614         }
2615
2616         for (l = msglist; l != NULL; l = g_slist_next(l)) {
2617                 MsgInfo *msginfo = (MsgInfo *) l->data;
2618                 GTuples *tuples;
2619
2620                 tuples = g_relation_select(relation, msginfo, 0);
2621                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2622                 g_tuples_destroy(tuples);
2623
2624                 if (num >= 0) {
2625                         MsgInfo *newmsginfo = NULL;
2626
2627                         if (folderscan) {
2628                                 if (msginfo->msgid != NULL) {
2629                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
2630                                         if (newmsginfo != NULL) {
2631                                                 copy_msginfo_flags(msginfo, newmsginfo);
2632                                                 num = newmsginfo->msgnum;
2633                                         }
2634                                 }
2635                         } else {
2636                                 newmsginfo = get_msginfo(dest, num);
2637                                 if (newmsginfo != NULL) {
2638                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
2639                                 }
2640                         }
2641
2642                         if (msginfo->planned_download
2643                             == POP3_PARTIAL_DLOAD_DELE) {
2644                                 partial_mark_for_delete(newmsginfo);
2645                         }
2646                         if (msginfo->planned_download
2647                             == POP3_PARTIAL_DLOAD_DLOAD) {
2648                                 partial_mark_for_download(newmsginfo);
2649                         }
2650                         procmsg_msginfo_free(newmsginfo);
2651
2652
2653                         if (num > lastnum)
2654                                 lastnum = num;
2655                 }
2656         }
2657
2658         if (remove_source) {
2659                 /*
2660                  * Remove source messages from their folders if
2661                  * copying was successfull and update folder
2662                  * message counts
2663                  */
2664                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
2665                         MsgInfo *msginfo = (MsgInfo *) l->data;
2666                         FolderItem *item = msginfo->folder;
2667                         GTuples *tuples;
2668
2669                         tuples = g_relation_select(relation, msginfo, 0);
2670                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2671                         g_tuples_destroy(tuples);
2672
2673                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
2674                                 item->folder->klass->remove_msg(item->folder,
2675                                                                 msginfo->folder,
2676                                                                 msginfo->msgnum);
2677                                 remove_msginfo_from_cache(item, msginfo);
2678                         }
2679                 }
2680         }
2681
2682         g_relation_destroy(relation);
2683         return lastnum;
2684 }
2685
2686 /**
2687  * Move a message to a new folder.
2688  *
2689  * \param dest Destination folder
2690  * \param msginfo The message
2691  */
2692 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2693 {
2694         GSList list;
2695
2696         g_return_val_if_fail(dest != NULL, -1);
2697         g_return_val_if_fail(msginfo != NULL, -1);
2698
2699         list.data = msginfo;
2700         list.next = NULL;
2701
2702         return do_copy_msgs(dest, &list, TRUE);
2703 }
2704
2705 /**
2706  * Move a list of messages to a new folder.
2707  *
2708  * \param dest Destination folder
2709  * \param msglist List of messages
2710  */
2711 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
2712 {
2713         g_return_val_if_fail(dest != NULL, -1);
2714         g_return_val_if_fail(msglist != NULL, -1);
2715
2716         return do_copy_msgs(dest, msglist, TRUE);
2717 }
2718
2719 /**
2720  * Copy a message to a new folder.
2721  *
2722  * \param dest Destination folder
2723  * \param msginfo The message
2724  */
2725 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2726 {
2727         GSList list;
2728
2729         g_return_val_if_fail(dest != NULL, -1);
2730         g_return_val_if_fail(msginfo != NULL, -1);
2731
2732         list.data = msginfo;
2733         list.next = NULL;
2734
2735         return do_copy_msgs(dest, &list, FALSE);
2736 }
2737
2738 /**
2739  * Copy a list of messages to a new folder.
2740  *
2741  * \param dest Destination folder
2742  * \param msglist List of messages
2743  */
2744 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
2745 {
2746         g_return_val_if_fail(dest != NULL, -1);
2747         g_return_val_if_fail(msglist != NULL, -1);
2748
2749         return do_copy_msgs(dest, msglist, FALSE);
2750 }
2751
2752 gint folder_item_remove_msg(FolderItem *item, gint num)
2753 {
2754         Folder *folder;
2755         gint ret;
2756         MsgInfo *msginfo;
2757
2758         g_return_val_if_fail(item != NULL, -1);
2759         folder = item->folder;
2760         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
2761
2762         if (!item->cache) folder_item_read_cache(item);
2763
2764         ret = folder->klass->remove_msg(folder, item, num);
2765
2766         msginfo = msgcache_get_msg(item->cache, num);
2767         if (msginfo != NULL) {
2768                 remove_msginfo_from_cache(item, msginfo);
2769                 procmsg_msginfo_free(msginfo);
2770         }
2771
2772         return ret;
2773 }
2774
2775 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2776 {
2777         Folder *folder;
2778         gint ret = 0;
2779
2780         g_return_val_if_fail(item != NULL, -1);
2781         folder = item->folder;
2782         g_return_val_if_fail(folder != NULL, -1);
2783
2784         if (!item->cache) folder_item_read_cache(item);
2785
2786         folder_item_update_freeze();
2787         while (msglist != NULL) {
2788                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2789
2790                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2791                 if (ret != 0) break;
2792                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2793                 msglist = msglist->next;
2794         }
2795         folder_item_update_thaw();
2796
2797         return ret;
2798 }
2799
2800 gint folder_item_remove_all_msg(FolderItem *item)
2801 {
2802         Folder *folder;
2803         gint result;
2804
2805         g_return_val_if_fail(item != NULL, -1);
2806
2807         folder = item->folder;
2808
2809         if (folder->klass->remove_all_msg != NULL) {
2810                 result = folder->klass->remove_all_msg(folder, item);
2811
2812                 if (result == 0) {
2813                         folder_item_free_cache(item);
2814                         item->cache = msgcache_new();
2815                 }
2816         } else {
2817                 MsgInfoList *msglist;
2818
2819                 msglist = folder_item_get_msg_list(item);
2820                 result = folder_item_remove_msgs(item, msglist);
2821                 procmsg_msg_list_free(msglist);
2822         }
2823
2824         if (result == 0) {
2825                 item->new_msgs = 0;
2826                 item->unread_msgs = 0;
2827                 item->unreadmarked_msgs = 0;
2828                 item->total_msgs = 0;
2829                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2830         }
2831
2832         return result;
2833 }
2834
2835 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
2836 {
2837         g_return_if_fail(item != NULL);
2838         g_return_if_fail(msginfo != NULL);
2839
2840         if (item->folder->klass->change_flags != NULL) {
2841                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
2842         } else {
2843                 msginfo->flags.perm_flags = newflags;
2844         }
2845 }
2846
2847 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2848 {
2849         Folder *folder;
2850
2851         g_return_val_if_fail(item != NULL, FALSE);
2852
2853         folder = item->folder;
2854
2855         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
2856
2857         return folder->klass->is_msg_changed(folder, item, msginfo);
2858 }
2859
2860 gchar *folder_item_get_cache_file(FolderItem *item)
2861 {
2862         gchar *path;
2863         gchar *file;
2864
2865         g_return_val_if_fail(item != NULL, NULL);
2866         g_return_val_if_fail(item->path != NULL, NULL);
2867
2868         path = folder_item_get_path(item);
2869         g_return_val_if_fail(path != NULL, NULL);
2870         if (!is_dir_exist(path))
2871                 make_dir_hier(path);
2872         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2873         g_free(path);
2874
2875         return file;
2876 }
2877
2878 gchar *folder_item_get_mark_file(FolderItem *item)
2879 {
2880         gchar *path;
2881         gchar *file;
2882
2883         g_return_val_if_fail(item != NULL, NULL);
2884         g_return_val_if_fail(item->path != NULL, NULL);
2885
2886         path = folder_item_get_path(item);
2887         g_return_val_if_fail(path != NULL, NULL);
2888         if (!is_dir_exist(path))
2889                 make_dir_hier(path);
2890         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2891         g_free(path);
2892
2893         return file;
2894 }
2895
2896 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
2897 {
2898         XMLNode *xmlnode = (XMLNode *) nodedata;
2899         Folder *folder = (Folder *) data;
2900         FolderItem *item;
2901
2902         g_return_val_if_fail(xmlnode != NULL, NULL);
2903         g_return_val_if_fail(folder != NULL, NULL);
2904
2905         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2906                 g_warning("tag name != \"folderitem\"\n");
2907                 return NULL;
2908         }
2909
2910         item = folder_item_new(folder, "", "");
2911         if (folder->klass->item_set_xml != NULL)
2912                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
2913         else
2914                 folder_item_set_xml(folder, item, xmlnode->tag);
2915
2916         item->folder = folder;
2917
2918         switch (item->stype) {
2919         case F_INBOX:  folder->inbox  = item; break;
2920         case F_OUTBOX: folder->outbox = item; break;
2921         case F_DRAFT:  folder->draft  = item; break;
2922         case F_QUEUE:  folder->queue  = item; break;
2923         case F_TRASH:  folder->trash  = item; break;
2924         default:       break;
2925         }
2926         folder_item_prefs_read_config(item);
2927
2928         return item;
2929 }
2930
2931 static gboolean folder_item_set_node(GNode *node, gpointer data)
2932 {
2933         FolderItem *item = (FolderItem *) node->data;
2934         item->node = node;
2935
2936         return FALSE;
2937 }
2938
2939 static Folder *folder_get_from_xml(GNode *node)
2940 {
2941         Folder *folder;
2942         XMLNode *xmlnode;
2943         GList *list;
2944         FolderClass *klass = NULL;
2945         GNode *cur;
2946
2947         g_return_val_if_fail(node->data != NULL, NULL);
2948
2949         xmlnode = node->data;
2950         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2951                 g_warning("tag name != \"folder\"\n");
2952                 return NULL;
2953         }
2954         list = xmlnode->tag->attr;
2955         for (; list != NULL; list = list->next) {
2956                 XMLAttr *attr = list->data;
2957
2958                 if (!attr || !attr->name || !attr->value) continue;
2959                 if (!strcmp(attr->name, "type"))
2960                         klass = folder_get_class_from_string(attr->value);
2961         }
2962         if (klass == NULL)
2963                 return NULL;
2964
2965         folder = folder_new(klass, "", "");
2966         g_return_val_if_fail(folder != NULL, NULL);
2967
2968         if (klass->set_xml)
2969                 klass->set_xml(folder, xmlnode->tag);
2970         else
2971                 folder_set_xml(folder, xmlnode->tag);
2972
2973         cur = node->children;
2974         while (cur != NULL) {
2975                 GNode *itemnode;
2976
2977                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
2978                 g_node_append(folder->node, itemnode);
2979                 cur = cur->next;
2980         }
2981         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
2982
2983         return folder;
2984 }
2985
2986 static gchar *folder_get_list_path(void)
2987 {
2988         static gchar *filename = NULL;
2989
2990         if (!filename)
2991                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2992                                         FOLDER_LIST, NULL);
2993
2994         return filename;
2995 }
2996
2997 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2998 {                                                       \
2999         fputs(" " attr "=\"", fp);                      \
3000         xml_file_put_escape_str(fp, str);               \
3001         fputs("\"", fp);                                \
3002 }
3003
3004 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3005 {
3006         FolderItem *item = (FolderItem *) nodedata;
3007         XMLTag *tag;
3008
3009         g_return_val_if_fail(item != NULL, NULL);
3010
3011         if (item->folder->klass->item_get_xml != NULL)
3012                 tag = item->folder->klass->item_get_xml(item->folder, item);
3013         else
3014                 tag = folder_item_get_xml(item->folder, item);
3015
3016         return xml_node_new(tag, NULL);;
3017 }
3018
3019 static GNode *folder_get_xml_node(Folder *folder)
3020 {
3021         GNode *node;
3022         XMLNode *xmlnode;
3023         XMLTag *tag;
3024
3025         g_return_val_if_fail(folder != NULL, NULL);
3026
3027         if (folder->klass->get_xml != NULL)
3028                 tag = folder->klass->get_xml(folder);
3029         else
3030                 tag = folder_get_xml(folder);
3031
3032         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3033
3034         xmlnode = xml_node_new(tag, NULL);
3035
3036         node = g_node_new(xmlnode);
3037         if (folder->node->children) {
3038                 GNode *cur;
3039
3040                 cur = folder->node->children;
3041                 while (cur) {
3042                         GNode *xmlnode;
3043
3044                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3045                         g_node_append(node, xmlnode);
3046                         cur = cur->next;
3047                 }
3048         }
3049
3050         return node;
3051 }
3052
3053 static void folder_update_op_count_rec(GNode *node)
3054 {
3055         FolderItem *fitem = FOLDER_ITEM(node->data);
3056
3057         if (g_node_depth(node) > 0) {
3058                 if (fitem->op_count > 0) {
3059                         fitem->op_count = 0;
3060                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3061                 }
3062                 if (node->children) {
3063                         GNode *child;
3064
3065                         child = node->children;
3066                         while (child) {
3067                                 GNode *cur;
3068
3069                                 cur = child;
3070                                 child = cur->next;
3071                                 folder_update_op_count_rec(cur);
3072                         }
3073                 }
3074         }
3075 }
3076
3077 void folder_update_op_count(void)
3078 {
3079         GList *cur;
3080         Folder *folder;
3081
3082         for (cur = folder_list; cur != NULL; cur = cur->next) {
3083                 folder = cur->data;
3084                 folder_update_op_count_rec(folder->node);
3085         }
3086 }
3087
3088 typedef struct _type_str {
3089         gchar * str;
3090         gint type;
3091 } type_str;
3092
3093
3094 /*
3095 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3096 {
3097         if (item->parent != NULL) {
3098                 gchar * path;
3099                 gchar * id;
3100
3101                 path = folder_item_get_tree_identifier(item->parent);
3102                 if (path == NULL)
3103                         return NULL;
3104
3105                 id = g_strconcat(path, "/", item->name, NULL);
3106                 g_free(path);
3107
3108                 return id;
3109         }
3110         else {
3111                 return g_strconcat("/", item->name, NULL);
3112         }
3113 }
3114 */
3115
3116 /* CLAWS: temporary local folder for filtering */
3117 #define TEMP_FOLDER "TEMP_FOLDER"
3118 #define PROCESSING_FOLDER_ITEM "processing"
3119
3120 static FolderItem *processing_folder_item;
3121
3122 static void folder_create_processing_folder(void)
3123 {
3124         Folder *processing_folder;
3125         gchar      *tmpname;
3126
3127         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3128                 gchar *tmppath;
3129
3130                 tmppath =
3131                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3132                                 "tempfolder", NULL);
3133                 processing_folder =
3134                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3135                 g_free(tmppath);
3136         }
3137         g_assert(processing_folder != NULL);
3138
3139         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3140         if (LOCAL_FOLDER(processing_folder)->rootpath[0] == '/')
3141                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3142                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3143                                       NULL);
3144         else
3145                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3146                                       LOCAL_FOLDER(processing_folder)->rootpath,
3147                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3148                                       NULL);
3149
3150         if (!is_dir_exist(tmpname)) {
3151                 debug_print("*TMP* creating %s\n", tmpname);
3152                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3153                                                                                  processing_folder->node->data,
3154                                                                                  PROCESSING_FOLDER_ITEM);
3155         } else {
3156                 debug_print("*TMP* already created\n");
3157                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3158                 g_assert(processing_folder_item);
3159                 folder_item_append(processing_folder->node->data, processing_folder_item);
3160         }
3161         g_assert(processing_folder_item != NULL);
3162         g_free(tmpname);
3163 }
3164
3165 FolderItem *folder_get_default_processing(void)
3166 {
3167         if (!processing_folder_item) {
3168                 folder_create_processing_folder();
3169         }
3170         return processing_folder_item;
3171 }
3172
3173 /* folder_persist_prefs_new() - return hash table with persistent
3174  * settings (and folder name as key).
3175  * (note that in claws other options are in the folder_item_prefs_RC
3176  * file, so those don't need to be included in PersistPref yet)
3177  */
3178 GHashTable *folder_persist_prefs_new(Folder *folder)
3179 {
3180         GHashTable *pptable;
3181
3182         g_return_val_if_fail(folder, NULL);
3183         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3184         folder_get_persist_prefs_recursive(folder->node, pptable);
3185         return pptable;
3186 }
3187
3188 void folder_persist_prefs_free(GHashTable *pptable)
3189 {
3190         g_return_if_fail(pptable);
3191         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3192         g_hash_table_destroy(pptable);
3193 }
3194
3195 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3196 {
3197         if (pptable == NULL || name == NULL) return NULL;
3198         return g_hash_table_lookup(pptable, name);
3199 }
3200
3201 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3202 {
3203         const PersistPrefs *pp;
3204         gchar *id = folder_item_get_identifier(item);
3205
3206         pp = folder_get_persist_prefs(pptable, id);
3207         g_free(id);
3208
3209         if (!pp) return;
3210
3211         /* CLAWS: since not all folder properties have been migrated to
3212          * folderlist.xml, we need to call the old stuff first before
3213          * setting things that apply both to Main and Claws. */
3214         folder_item_prefs_read_config(item);
3215
3216         item->collapsed = pp->collapsed;
3217         item->thread_collapsed = pp->thread_collapsed;
3218         item->threaded  = pp->threaded;
3219         item->ret_rcpt  = pp->ret_rcpt;
3220         item->hide_read_msgs = pp->hide_read_msgs;
3221         item->sort_key  = pp->sort_key;
3222         item->sort_type = pp->sort_type;
3223 }
3224
3225 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3226 {
3227         FolderItem *item = FOLDER_ITEM(node->data);
3228         PersistPrefs *pp;
3229         GNode *child, *cur;
3230         gchar *id;
3231
3232         g_return_if_fail(node != NULL);
3233         g_return_if_fail(item != NULL);
3234
3235         /* NOTE: item->path == NULL means top level folder; not interesting
3236          * to store preferences of that one.  */
3237         if (item->path) {
3238                 id = folder_item_get_identifier(item);
3239                 pp = g_new0(PersistPrefs, 1);
3240                 g_return_if_fail(pp != NULL);
3241                 pp->collapsed = item->collapsed;
3242                 pp->thread_collapsed = item->thread_collapsed;
3243                 pp->threaded  = item->threaded;
3244                 pp->ret_rcpt  = item->ret_rcpt;
3245                 pp->hide_read_msgs = item->hide_read_msgs;
3246                 pp->sort_key  = item->sort_key;
3247                 pp->sort_type = item->sort_type;
3248                 g_hash_table_insert(pptable, id, pp);
3249         }
3250
3251         if (node->children) {
3252                 child = node->children;
3253                 while (child) {
3254                         cur = child;
3255                         child = cur->next;
3256                         folder_get_persist_prefs_recursive(cur, pptable);
3257                 }
3258         }
3259 }
3260
3261 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3262 {
3263         if (key)
3264                 g_free(key);
3265         if (val)
3266                 g_free(val);
3267         return TRUE;
3268 }
3269
3270 void folder_item_apply_processing(FolderItem *item)
3271 {
3272         GSList *processing_list;
3273         GSList *mlist, *cur;
3274
3275         g_return_if_fail(item != NULL);
3276
3277         processing_list = item->prefs->processing;
3278
3279         folder_item_update_freeze();
3280
3281         mlist = folder_item_get_msg_list(item);
3282         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3283                 MsgInfo * msginfo;
3284
3285                 msginfo = (MsgInfo *) cur->data;
3286
3287                 /* reset parameters that can be modified by processing */
3288                 msginfo->hidden = 0;
3289                 msginfo->score = 0;
3290
3291                 /* apply pre global rules */
3292                 filter_message_by_msginfo(pre_global_processing, msginfo);
3293
3294                 /* apply rules of the folder */
3295                 filter_message_by_msginfo(processing_list, msginfo);
3296
3297                 /* apply post global rules */
3298                 filter_message_by_msginfo(post_global_processing, msginfo);
3299
3300                 procmsg_msginfo_free(msginfo);
3301         }
3302         g_slist_free(mlist);
3303
3304         folder_item_update_thaw();
3305 }
3306
3307 /*
3308  *  functions for handling FolderItem content changes
3309  */
3310 static gint folder_item_update_freeze_cnt = 0;
3311
3312 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3313 {
3314         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3315                 FolderItemUpdateData source;
3316
3317                 source.item = item;
3318                 source.update_flags = update_flags;
3319                 source.msg = msg;
3320                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3321         } else {
3322                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3323         }
3324 }
3325
3326 /**
3327  * Notify the folder system about changes to a folder. If the
3328  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3329  * be invoked, otherwise the changes will be remebered until
3330  * the folder system is thawed.
3331  *
3332  * \param item The FolderItem that was changed
3333  * \param update_flags Type of changed that was made
3334  */
3335 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3336 {
3337         folder_item_update_with_msg(item, update_flags, NULL);
3338 }
3339
3340 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3341 {
3342         GNode *node = item->folder->node;
3343
3344         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3345         node = node->children;
3346
3347         folder_item_update(item, update_flags);
3348         while (node != NULL) {
3349                 if (node && node->data) {
3350                         FolderItem *next_item = (FolderItem*) node->data;
3351
3352                         folder_item_update(next_item, update_flags);
3353                 }
3354                 node = node->next;
3355         }
3356 }
3357
3358 void folder_item_update_freeze(void)
3359 {
3360         folder_item_update_freeze_cnt++;
3361 }
3362
3363 static void folder_item_update_func(FolderItem *item, gpointer data)
3364 {
3365         FolderItemUpdateData source;
3366
3367         if (item->update_flags) {
3368                 source.item = item;
3369                 source.update_flags = item->update_flags;
3370                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3371                 item->update_flags = 0;
3372         }
3373 }
3374
3375 void folder_item_update_thaw(void)
3376 {
3377         if (folder_item_update_freeze_cnt > 0)
3378                 folder_item_update_freeze_cnt--;
3379         if (folder_item_update_freeze_cnt == 0) {
3380                 /* Update all folders */
3381                 folder_func_to_all_folders(folder_item_update_func, NULL);
3382         }
3383 }
3384
3385 #undef PUT_ESCAPE_STR