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_ascii_strcasecmp(attr->value, "normal"))
 417                                 item->stype = F_NORMAL;
 418                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 419                                 item->stype = F_INBOX;
 420                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 421                                 item->stype = F_OUTBOX;
 422                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 423                                 item->stype = F_DRAFT;
 424                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 425                                 item->stype = F_QUEUE;
 426                         else if (!g_ascii_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_append_printf(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_append_printf(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_append_printf(str, "%5d %5d %5d\n", new, unread, total);
 974         else
 975                 g_string_append_printf(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                 gchar *base;
1066                 child = FOLDER_ITEM(node->data);
1067                 base = g_path_get_basename(child->path);
1068                 if (strcmp2(base, name) == 0) {
1069                         g_free(base);
1070                         return child;
1071                 }
1072                 g_free(base);
1073         }
1074
1075         return NULL;
1076 }
1077
1078 FolderClass *folder_get_class_from_string(const gchar *str)
1079 {
1080         GSList *classlist;
1081
1082         classlist = folder_get_class_list();
1083         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1084                 FolderClass *class = (FolderClass *) classlist->data;
1085                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1086                         return class;
1087         }
1088
1089         return NULL;
1090 }
1091
1092 gchar *folder_get_identifier(Folder *folder)
1093 {
1094         gchar *type_str;
1095
1096         g_return_val_if_fail(folder != NULL, NULL);
1097
1098         type_str = folder->klass->idstr;
1099         return g_strconcat("#", type_str, "/", folder->name, NULL);
1100 }
1101
1102 gchar *folder_item_get_identifier(FolderItem *item)
1103 {
1104         gchar *id = NULL;
1105         gchar *folder_id = NULL;
1106
1107         g_return_val_if_fail(item != NULL, NULL);
1108         g_return_val_if_fail(item->path != NULL, NULL);
1109
1110         folder_id = folder_get_identifier(item->folder);
1111         id = g_strconcat(folder_id, "/", item->path, NULL);
1112         g_free(folder_id);
1113
1114         return id;
1115 }
1116
1117 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1118 {
1119         Folder *folder;
1120         gpointer d[2];
1121         gchar *str;
1122         gchar *p;
1123         gchar *name;
1124         gchar *path;
1125         FolderClass *class;
1126
1127         g_return_val_if_fail(identifier != NULL, NULL);
1128
1129         if (*identifier != '#')
1130                 return folder_find_item_from_path(identifier);
1131
1132         Xstrdup_a(str, identifier, return NULL);
1133
1134         p = strchr(str, '/');
1135         if (!p)
1136                 return folder_find_item_from_path(identifier);
1137         *p = '\0';
1138         p++;
1139         class = folder_get_class_from_string(&str[1]);
1140         if (class == NULL)
1141                 return folder_find_item_from_path(identifier);
1142
1143         name = p;
1144         p = strchr(p, '/');
1145         if (!p)
1146                 return folder_find_item_from_path(identifier);
1147         *p = '\0';
1148         p++;
1149
1150         folder = folder_find_from_name(name, class);
1151         if (!folder)
1152                 return folder_find_item_from_path(identifier);
1153
1154         path = p;
1155
1156         d[0] = (gpointer)path;
1157         d[1] = NULL;
1158         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1159                         folder_item_find_func, d);
1160         return d[1];
1161 }
1162
1163 /**
1164  * Get a displayable name for a FolderItem
1165  *
1166  * \param item FolderItem for that a name should be created
1167  * \return Displayable name for item, returned string has to
1168  *         be freed
1169  */
1170 gchar *folder_item_get_name(FolderItem *item)
1171 {
1172         gchar *name = NULL;
1173
1174         g_return_val_if_fail(item != NULL, g_strdup(""));
1175
1176         switch (item->stype) {
1177         case F_INBOX:
1178                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1179                                 item->name);
1180                 break;
1181         case F_OUTBOX:
1182                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1183                                 item->name);
1184                 break;
1185         case F_QUEUE:
1186                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1187                                 item->name);
1188                 break;
1189         case F_TRASH:
1190                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1191                                 item->name);
1192                 break;
1193         case F_DRAFT:
1194                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1195                                 item->name);
1196                 break;
1197         default:
1198                 break;
1199         }
1200
1201         if (name == NULL) {
1202                 /*
1203                  * should probably be done by a virtual function,
1204                  * the folder knows the ui string and how to abbrev
1205                 */
1206                 if (folder_item_parent(item) == NULL) {
1207                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1208                 } else {
1209                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1210                             item->path && !strcmp2(item->name, item->path))
1211                                 name = get_abbrev_newsgroup_name
1212                                         (item->path,
1213                                          prefs_common.ng_abbrev_len);
1214                         else
1215                                 name = g_strdup(item->name);
1216                 }
1217         }
1218
1219         if (name == NULL)
1220                 name = g_strdup("");
1221
1222         return name;
1223 }
1224
1225 Folder *folder_get_default_folder(void)
1226 {
1227         return folder_list ? FOLDER(folder_list->data) : NULL;
1228 }
1229
1230 FolderItem *folder_get_default_inbox(void)
1231 {
1232         GList *flist;
1233
1234         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1235                 Folder * folder = FOLDER(flist->data);
1236
1237                 if (folder == NULL)
1238                         continue;
1239                 if (folder->inbox == NULL)
1240                         continue;
1241
1242                 return folder->inbox;
1243         }
1244
1245         return NULL;
1246 }
1247
1248 FolderItem *folder_get_default_outbox(void)
1249 {
1250         GList *flist;
1251
1252         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1253                 Folder * folder = FOLDER(flist->data);
1254
1255                 if (folder == NULL)
1256                         continue;
1257                 if (folder->outbox == NULL)
1258                         continue;
1259
1260                 return folder->outbox;
1261         }
1262
1263         return NULL;
1264 }
1265
1266 FolderItem *folder_get_default_draft(void)
1267 {
1268         GList *flist;
1269
1270         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1271                 Folder * folder = FOLDER(flist->data);
1272
1273                 if (folder == NULL)
1274                         continue;
1275                 if (folder->draft == NULL)
1276                         continue;
1277
1278                 return folder->draft;
1279         }
1280
1281         return NULL;
1282 }
1283
1284 FolderItem *folder_get_default_queue(void)
1285 {
1286         GList *flist;
1287
1288         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1289                 Folder * folder = FOLDER(flist->data);
1290
1291                 if (folder == NULL)
1292                         continue;
1293                 if (folder->queue == NULL)
1294                         continue;
1295
1296                 return folder->queue;
1297         }
1298
1299         return NULL;
1300 }
1301
1302 FolderItem *folder_get_default_trash(void)
1303 {
1304         GList *flist;
1305
1306         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1307                 Folder * folder = FOLDER(flist->data);
1308
1309                 if (folder == NULL)
1310                         continue;
1311                 if (folder->trash == NULL)
1312                         continue;
1313
1314                 return folder->trash;
1315         }
1316
1317         return NULL;
1318 }
1319
1320 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1321 {                                                               \
1322         if (!folder->member) {                                  \
1323                 item = folder_item_new(folder, dir, dir);       \
1324                 item->stype = type;                             \
1325                 folder_item_append(rootitem, item);             \
1326                 folder->member = item;                          \
1327         }                                                       \
1328 }
1329
1330 void folder_set_missing_folders(void)
1331 {
1332         Folder *folder;
1333         FolderItem *rootitem;
1334         FolderItem *item;
1335         GList *list;
1336
1337         for (list = folder_list; list != NULL; list = list->next) {
1338                 folder = list->data;
1339                 if (FOLDER_TYPE(folder) != F_MH) continue;
1340                 rootitem = FOLDER_ITEM(folder->node->data);
1341                 g_return_if_fail(rootitem != NULL);
1342
1343                 if (folder->inbox && folder->outbox && folder->draft &&
1344                     folder->queue && folder->trash)
1345                         continue;
1346
1347                 if (folder->klass->create_tree(folder) < 0) {
1348                         g_warning("%s: can't create the folder tree.\n",
1349                                   LOCAL_FOLDER(folder)->rootpath);
1350                         continue;
1351                 }
1352
1353                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1354                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1355                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1356                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1357                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1358         }
1359 }
1360
1361 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1362 {
1363         FolderItem *item = node->data;
1364         PrefsAccount *account = data;
1365
1366         if (item->account == account)
1367                 item->account = NULL;
1368
1369         return FALSE;
1370 }
1371
1372 void folder_unref_account_all(PrefsAccount *account)
1373 {
1374         Folder *folder;
1375         GList *list;
1376
1377         if (!account) return;
1378
1379         for (list = folder_list; list != NULL; list = list->next) {
1380                 folder = list->data;
1381                 if (folder->account == account)
1382                         folder->account = NULL;
1383                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1384                                 folder_unref_account_func, account);
1385         }
1386 }
1387
1388 #undef CREATE_FOLDER_IF_NOT_EXIST
1389
1390 gchar *folder_item_get_path(FolderItem *item)
1391 {
1392         Folder *folder;
1393
1394         g_return_val_if_fail(item != NULL, NULL);
1395         folder = item->folder;
1396         g_return_val_if_fail(folder != NULL, NULL);
1397
1398         return folder->klass->item_get_path(folder, item);
1399 }
1400
1401 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1402 {
1403         if (!(dest->stype == F_OUTBOX ||
1404               dest->stype == F_QUEUE  ||
1405               dest->stype == F_DRAFT  ||
1406               dest->stype == F_TRASH)) {
1407                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1408         } else {
1409                 flags->perm_flags = 0;
1410         }
1411         if (FOLDER_TYPE(dest->folder) == F_MH) {
1412                 if (dest->stype == F_QUEUE) {
1413                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1414                 } else if (dest->stype == F_DRAFT) {
1415                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1416                 }
1417         }
1418 }
1419
1420 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1421 {
1422         MsgInfo *msginfo_a = (MsgInfo *) a;
1423         MsgInfo *msginfo_b = (MsgInfo *) b;
1424
1425         return (msginfo_a->msgnum - msginfo_b->msgnum);
1426 }
1427
1428 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1429 {
1430         guint gint_a = GPOINTER_TO_INT(a);
1431         guint gint_b = GPOINTER_TO_INT(b);
1432
1433         return (gint_a - gint_b);
1434 }
1435
1436 gint folder_item_open(FolderItem *item)
1437 {
1438         gchar *buf;
1439         if((item->folder->klass->scan_required != NULL) && (item->folder->klass->scan_required(item->folder, item))) {
1440                 folder_item_scan_full(item, TRUE);
1441         }
1442         folder_item_syncronize_flags(item);
1443
1444         /* Processing */
1445         buf = g_strdup_printf(_("Processing (%s)...\n"),
1446                               item->path ? item->path : item->name);
1447         debug_print("%s\n", buf);
1448         g_free(buf);
1449
1450         folder_item_apply_processing(item);
1451
1452         item->opened = TRUE;
1453
1454         debug_print("done.\n");
1455
1456         return 0;
1457 }
1458
1459 gint folder_item_close(FolderItem *item)
1460 {
1461         GSList *mlist, *cur;
1462         Folder *folder;
1463
1464         g_return_val_if_fail(item != NULL, -1);
1465
1466         if (item->new_msgs) {
1467                 folder_item_update_freeze();
1468                 mlist = folder_item_get_msg_list(item);
1469                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1470                         MsgInfo * msginfo;
1471
1472                         msginfo = (MsgInfo *) cur->data;
1473                         if (MSG_IS_NEW(msginfo->flags))
1474                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1475                         procmsg_msginfo_free(msginfo);
1476                 }
1477                 g_slist_free(mlist);
1478                 folder_item_update_thaw();
1479         }
1480
1481         folder_item_write_cache(item);
1482
1483         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1484
1485         item->opened = FALSE;
1486         folder = item->folder;
1487
1488         if (folder->klass->close == NULL)
1489                 return 0;
1490
1491         return folder->klass->close(folder, item);
1492 }
1493
1494 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1495 {
1496         MsgInfoList *msglist = NULL;
1497         Folder *folder = item->folder;
1498
1499         if (folder->klass->get_msginfos != NULL)
1500                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1501         else {
1502                 MsgNumberList *elem;
1503
1504                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1505                         MsgInfo *msginfo;
1506                         guint num;
1507
1508                         num = GPOINTER_TO_INT(elem->data);
1509                         msginfo = folder->klass->get_msginfo(folder, item, num);
1510                         if (msginfo != NULL)
1511                                 msglist = g_slist_prepend(msglist, msginfo);
1512                 }
1513         }
1514
1515         return msglist;
1516 }
1517
1518 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1519 {
1520         MsgNumberList numlist;
1521         MsgInfoList *msglist;
1522         MsgInfo *msginfo = NULL;
1523
1524         numlist.data = GINT_TO_POINTER(num);
1525         numlist.next = NULL;
1526         msglist = get_msginfos(item, &numlist);
1527         if (msglist != NULL)
1528                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1529         procmsg_msg_list_free(msglist);
1530
1531         return msginfo;
1532 }
1533
1534 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1535 {
1536         GRelation *relation;
1537         gint ret = 0;
1538         GSList *cur;
1539
1540         if(msglist == NULL)
1541                 return 0;
1542         if(item->folder->klass->get_flags == NULL)
1543                 return 0;
1544
1545         relation = g_relation_new(2);
1546         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1547         if ((ret = item->folder->klass->get_flags(
1548             item->folder, item, msglist, relation)) == 0) {
1549                 GTuples *tuples;
1550                 MsgInfo *msginfo;
1551                 MsgPermFlags permflags;
1552                 gboolean skip;
1553
1554                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1555                         msginfo = (MsgInfo *) cur->data;
1556
1557                         tuples = g_relation_select(relation, msginfo, 0);
1558                         skip = tuples->len < 1;
1559                         if (!skip)
1560                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1561                         g_tuples_destroy(tuples);
1562                         if (skip)
1563                                 continue;
1564
1565                         if (msginfo->flags.perm_flags != permflags) {
1566                                 procmsg_msginfo_set_flags(msginfo,
1567                                         permflags & ~msginfo->flags.perm_flags, 0);
1568                                 procmsg_msginfo_unset_flags(msginfo,
1569                                         ~permflags & msginfo->flags.perm_flags, 0);
1570                         }
1571                 }
1572         }
1573         g_relation_destroy(relation);
1574
1575         return ret;
1576 }
1577
1578 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1579 {
1580         Folder *folder;
1581         GSList *folder_list = NULL, *cache_list = NULL;
1582         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1583         GSList *exists_list = NULL, *elem;
1584         GSList *newmsg_list = NULL;
1585         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1586         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1587         gboolean update_flags = 0, old_uids_valid = FALSE;
1588
1589         g_return_val_if_fail(item != NULL, -1);
1590         if (item->path == NULL) return -1;
1591
1592         folder = item->folder;
1593
1594         g_return_val_if_fail(folder != NULL, -1);
1595         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1596
1597         debug_print("Scanning folder %s for cache changes.\n", item->path);
1598
1599         /* Get list of messages for folder and cache */
1600         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1601                 debug_print("Error fetching list of message numbers\n");
1602                 return(-1);
1603         }
1604
1605         if (old_uids_valid) {
1606                 if (!item->cache)
1607                         folder_item_read_cache(item);
1608                 cache_list = msgcache_get_msg_list(item->cache);
1609         } else {
1610                 if (item->cache)
1611                         msgcache_destroy(item->cache);
1612                 item->cache = msgcache_new();
1613                 cache_list = NULL;
1614         }
1615
1616         /* Sort both lists */
1617         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1618         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1619
1620         cache_list_cur = cache_list;
1621         folder_list_cur = folder_list;
1622
1623         if (cache_list_cur != NULL) {
1624                 GSList *cache_list_last;
1625
1626                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1627                 cache_list_last = g_slist_last(cache_list);
1628                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1629         } else {
1630                 cache_cur_num = G_MAXINT;
1631                 cache_max_num = 0;
1632         }
1633
1634         if (folder_list_cur != NULL) {
1635                 GSList *folder_list_last;
1636
1637                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1638                 folder_list_last = g_slist_last(folder_list);
1639                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1640         } else {
1641                 folder_cur_num = G_MAXINT;
1642                 folder_max_num = 0;
1643         }
1644
1645         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1646                 /*
1647                  *  Message only exists in the folder
1648                  *  Remember message for fetching
1649                  */
1650                 if (folder_cur_num < cache_cur_num) {
1651                         gboolean add = FALSE;
1652
1653                         switch(FOLDER_TYPE(folder)) {
1654                                 case F_NEWS:
1655                                         if (folder_cur_num < cache_max_num)
1656                                                 break;
1657
1658                                         if (folder->account->max_articles == 0) {
1659                                                 add = TRUE;
1660                                         }
1661
1662                                         if (folder_max_num <= folder->account->max_articles) {
1663                                                 add = TRUE;
1664                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1665                                                 add = TRUE;
1666                                         }
1667                                         break;
1668                                 default:
1669                                         add = TRUE;
1670                                         break;
1671                         }
1672
1673                         if (add) {
1674                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1675                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1676                         }
1677
1678                         /* Move to next folder number */
1679                         folder_list_cur = folder_list_cur->next;
1680
1681                         if (folder_list_cur != NULL)
1682                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1683                         else
1684                                 folder_cur_num = G_MAXINT;
1685
1686                         continue;
1687                 }
1688
1689                 /*
1690                  *  Message only exists in the cache
1691                  *  Remove the message from the cache
1692                  */
1693                 if (cache_cur_num < folder_cur_num) {
1694                         msgcache_remove_msg(item->cache, cache_cur_num);
1695                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1696
1697                         /* Move to next cache number */
1698                         cache_list_cur = cache_list_cur->next;
1699
1700                         if (cache_list_cur != NULL)
1701                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1702                         else
1703                                 cache_cur_num = G_MAXINT;
1704
1705                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1706
1707                         continue;
1708                 }
1709
1710                 /*
1711                  *  Message number exists in folder and cache!
1712                  *  Check if the message has been modified
1713                  */
1714                 if (cache_cur_num == folder_cur_num) {
1715                         MsgInfo *msginfo;
1716
1717                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1718                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1719                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1720                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1721                                 procmsg_msginfo_free(msginfo);
1722
1723                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1724                         } else
1725                                 exists_list = g_slist_prepend(exists_list, msginfo);
1726
1727                         /* Move to next folder and cache number */
1728                         cache_list_cur = cache_list_cur->next;
1729                         folder_list_cur = folder_list_cur->next;
1730
1731                         if (cache_list_cur != NULL)
1732                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1733                         else
1734                                 cache_cur_num = G_MAXINT;
1735
1736                         if (folder_list_cur != NULL)
1737                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1738                         else
1739                                 folder_cur_num = G_MAXINT;
1740
1741                         continue;
1742                 }
1743         }
1744
1745         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1746                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1747
1748         g_slist_free(cache_list);
1749         g_slist_free(folder_list);
1750
1751         if (new_list != NULL) {
1752                 newmsg_list = get_msginfos(item, new_list);
1753                 g_slist_free(new_list);
1754         }
1755
1756         syncronize_flags(item, exists_list);
1757
1758         folder_item_update_freeze();
1759         if (newmsg_list != NULL) {
1760                 GSList *elem;
1761
1762                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1763                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1764
1765                         msgcache_add_msg(item->cache, msginfo);
1766                         if ((filtering == TRUE) &&
1767                             (item->stype == F_INBOX) &&
1768                             (item->folder->account != NULL) &&
1769                             (item->folder->account->filter_on_recv) &&
1770                             procmsg_msginfo_filter(msginfo))
1771                                 procmsg_msginfo_free(msginfo);
1772                         else
1773                                 exists_list = g_slist_prepend(exists_list, msginfo);
1774                 }
1775                 g_slist_free(newmsg_list);
1776
1777                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1778         }
1779
1780         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1781                 MsgInfo *msginfo;
1782
1783                 msginfo = elem->data;
1784                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1785                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1786                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1787                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1788                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1789                 }
1790                 if ((item->stype == F_OUTBOX ||
1791                      item->stype == F_QUEUE  ||
1792                      item->stype == F_DRAFT  ||
1793                      item->stype == F_TRASH) &&
1794                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1795                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1796                 if (MSG_IS_NEW(msginfo->flags))
1797                         newcnt++;
1798                 if (MSG_IS_UNREAD(msginfo->flags))
1799                         unreadcnt++;
1800                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1801                         unreadmarkedcnt++;
1802                 totalcnt++;
1803
1804                 procmsg_msginfo_free(msginfo);
1805         }
1806         g_slist_free(exists_list);
1807
1808         item->new_msgs = newcnt;
1809         item->unread_msgs = unreadcnt;
1810         item->total_msgs = totalcnt;
1811         item->unreadmarked_msgs = unreadmarkedcnt;
1812
1813         update_flags |= F_ITEM_UPDATE_MSGCNT;
1814
1815         folder_item_update(item, update_flags);
1816         folder_item_update_thaw();
1817
1818         return 0;
1819 }
1820
1821 gint folder_item_scan(FolderItem *item)
1822 {
1823         return folder_item_scan_full(item, TRUE);
1824 }
1825
1826 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1827 {
1828         FolderItem *item = node->data;
1829
1830         folder_item_scan(item);
1831
1832         return FALSE;
1833 }
1834
1835 void folder_scan_all_items(Folder * folder)
1836 {
1837         g_node_traverse(folder->node, G_PRE_ORDER,
1838                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1839 }
1840
1841 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1842                                           gpointer data)
1843 {
1844         folder_item_scan(FOLDER_ITEM(key));
1845 }
1846
1847 void folder_item_scan_foreach(GHashTable *table)
1848 {
1849         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1850 }
1851
1852 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1853 {
1854         gint *memusage = (gint *)data;
1855
1856         if (item->cache == NULL)
1857                 return;
1858
1859         *memusage += msgcache_get_memory_usage(item->cache);
1860 }
1861
1862 gint folder_item_syncronize_flags(FolderItem *item)
1863 {
1864         MsgInfoList *msglist = NULL;
1865         GSList *cur;
1866         gint ret = 0;
1867
1868         g_return_val_if_fail(item != NULL, -1);
1869         g_return_val_if_fail(item->folder != NULL, -1);
1870         g_return_val_if_fail(item->folder->klass != NULL, -1);
1871
1872         if (item->cache == NULL)
1873                 folder_item_read_cache(item);
1874
1875         msglist = msgcache_get_msg_list(item->cache);
1876
1877         ret = syncronize_flags(item, msglist);
1878
1879         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1880                 procmsg_msginfo_free((MsgInfo *) cur->data);
1881
1882         return ret;
1883 }
1884
1885 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1886 {
1887         FolderItem *fa = (FolderItem *)a;
1888         FolderItem *fb = (FolderItem *)b;
1889
1890         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1891 }
1892
1893 void folder_find_expired_caches(FolderItem *item, gpointer data)
1894 {
1895         GSList **folder_item_list = (GSList **)data;
1896         gint difftime, expiretime;
1897
1898         if (item->cache == NULL)
1899                 return;
1900
1901         if (item->opened > 0)
1902                 return;
1903
1904         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1905         expiretime = prefs_common.cache_min_keep_time * 60;
1906         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1907         if (difftime > expiretime) {
1908                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1909         }
1910 }
1911
1912 void folder_item_free_cache(FolderItem *item)
1913 {
1914         g_return_if_fail(item != NULL);
1915
1916         if (item->cache == NULL)
1917                 return;
1918
1919         if (item->opened > 0)
1920                 return;
1921
1922         folder_item_write_cache(item);
1923         msgcache_destroy(item->cache);
1924         item->cache = NULL;
1925 }
1926
1927 void folder_clean_cache_memory(void)
1928 {
1929         gint memusage = 0;
1930
1931         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1932         debug_print("Total cache memory usage: %d\n", memusage);
1933
1934         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1935                 GSList *folder_item_list = NULL, *listitem;
1936
1937                 debug_print("Trying to free cache memory\n");
1938
1939                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1940                 listitem = folder_item_list;
1941                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1942                         FolderItem *item = (FolderItem *)(listitem->data);
1943
1944                         debug_print("Freeing cache memory for %s\n", item->path);
1945                         memusage -= msgcache_get_memory_usage(item->cache);
1946                         folder_item_free_cache(item);
1947                         listitem = listitem->next;
1948                 }
1949                 g_slist_free(folder_item_list);
1950         }
1951 }
1952
1953 void folder_item_read_cache(FolderItem *item)
1954 {
1955         gchar *cache_file, *mark_file;
1956
1957         g_return_if_fail(item != NULL);
1958
1959         if (item->path != NULL) {
1960                 cache_file = folder_item_get_cache_file(item);
1961                 mark_file = folder_item_get_mark_file(item);
1962                 item->cache = msgcache_read_cache(item, cache_file);
1963                 if (!item->cache) {
1964                         MsgInfoList *list, *cur;
1965                         guint newcnt = 0, unreadcnt = 0, unreadmarkedcnt = 0;
1966                         MsgInfo *msginfo;
1967
1968                         item->cache = msgcache_new();
1969                         folder_item_scan_full(item, TRUE);
1970
1971                         msgcache_read_mark(item->cache, mark_file);
1972
1973                         list = msgcache_get_msg_list(item->cache);
1974                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
1975                                 msginfo = cur->data;
1976
1977                                 if (MSG_IS_NEW(msginfo->flags))
1978                                         newcnt++;
1979                                 if (MSG_IS_UNREAD(msginfo->flags))
1980                                         unreadcnt++;
1981                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1982                                         unreadmarkedcnt++;
1983                         }
1984                         item->new_msgs = newcnt;
1985                         item->unread_msgs = unreadcnt;
1986                         item->unreadmarked_msgs = unreadmarkedcnt;
1987                         procmsg_msg_list_free(list);
1988                 } else
1989                         msgcache_read_mark(item->cache, mark_file);
1990
1991                 g_free(cache_file);
1992                 g_free(mark_file);
1993         } else {
1994                 item->cache = msgcache_new();
1995         }
1996
1997         folder_clean_cache_memory();
1998 }
1999
2000 void folder_item_write_cache(FolderItem *item)
2001 {
2002         gchar *cache_file, *mark_file;
2003         FolderItemPrefs *prefs;
2004         gint filemode = 0;
2005         gchar *id;
2006
2007         if (!item || !item->path || !item->cache)
2008                 return;
2009
2010         id = folder_item_get_identifier(item);
2011         debug_print("Save cache for folder %s\n", id);
2012         g_free(id);
2013
2014         cache_file = folder_item_get_cache_file(item);
2015         mark_file = folder_item_get_mark_file(item);
2016         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2017                 prefs = item->prefs;
2018                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2019                         /* for cache file */
2020                         filemode = prefs->folder_chmod;
2021                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2022                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2023                         chmod(cache_file, filemode);
2024                 }
2025         }
2026
2027         g_free(cache_file);
2028         g_free(mark_file);
2029 }
2030
2031 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2032 {
2033         Folder *folder;
2034         MsgInfo *msginfo = NULL;
2035
2036         g_return_val_if_fail(item != NULL, NULL);
2037
2038         folder = item->folder;
2039         if (!item->cache)
2040                 folder_item_read_cache(item);
2041
2042         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2043                 return msginfo;
2044
2045         msginfo = get_msginfo(item, num);
2046         if (msginfo != NULL) {
2047                 msgcache_add_msg(item->cache, msginfo);
2048                 return msginfo;
2049         }
2050
2051         return NULL;
2052 }
2053
2054 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2055 {
2056         Folder *folder;
2057         MsgInfo *msginfo;
2058
2059         g_return_val_if_fail(item != NULL, NULL);
2060         g_return_val_if_fail(msgid != NULL, NULL);
2061
2062         folder = item->folder;
2063         if (!item->cache)
2064                 folder_item_read_cache(item);
2065
2066         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2067                 return msginfo;
2068
2069         return NULL;
2070 }
2071
2072 GSList *folder_item_get_msg_list(FolderItem *item)
2073 {
2074         g_return_val_if_fail(item != NULL, NULL);
2075
2076         if (item->cache == 0)
2077                 folder_item_read_cache(item);
2078
2079         g_return_val_if_fail(item->cache != NULL, NULL);
2080
2081         return msgcache_get_msg_list(item->cache);
2082 }
2083
2084 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2085 {
2086         MsgInfo *msginfo = data;
2087         MimeInfo *mimeinfo = node->data;
2088
2089         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT) {
2090                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2091         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2092                  mimeinfo->type != MIMETYPE_TEXT &&
2093                  mimeinfo->type != MIMETYPE_MULTIPART) {
2094                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2095         }
2096
2097         /* don't descend below top level message for signed and encrypted info */
2098         if (mimeinfo->type == MIMETYPE_MESSAGE)
2099                 return;
2100
2101         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2102                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2103         }
2104
2105         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2106                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2107         } else {
2108                 /* searching inside encrypted parts doesn't really make sense */
2109                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2110         }
2111 }
2112
2113 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2114 {
2115         Folder *folder;
2116         gchar *msgfile;
2117         MsgInfo *msginfo;
2118
2119         g_return_val_if_fail(item != NULL, NULL);
2120
2121         folder = item->folder;
2122
2123         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2124
2125         msgfile = folder->klass->fetch_msg(folder, item, num);
2126
2127         if (msgfile != NULL) {
2128                 msginfo = folder_item_get_msginfo(item, num);
2129                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2130                         MimeInfo *mimeinfo;
2131
2132                         if (msginfo->folder->stype != F_QUEUE &&
2133                             msginfo->folder->stype != F_DRAFT)
2134                                 mimeinfo = procmime_scan_file(msgfile);
2135                         else
2136                                 mimeinfo = procmime_scan_queue_file(msgfile);
2137                         /* check for attachments */
2138                         if (mimeinfo != NULL) {
2139                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2140                                 procmime_mimeinfo_free_all(mimeinfo);
2141
2142                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2143                         }
2144                 }
2145         }
2146
2147         return msgfile;
2148 }
2149
2150 gint folder_item_fetch_all_msg(FolderItem *item)
2151 {
2152         Folder *folder;
2153         GSList *mlist;
2154         GSList *cur;
2155         gint num = 0;
2156         gint ret = 0;
2157
2158         g_return_val_if_fail(item != NULL, -1);
2159
2160         debug_print("fetching all messages in %s ...\n", item->path);
2161
2162         folder = item->folder;
2163
2164         if (folder->ui_func)
2165                 folder->ui_func(folder, item, folder->ui_func_data ?
2166                                 folder->ui_func_data : GINT_TO_POINTER(num));
2167
2168         mlist = folder_item_get_msg_list(item);
2169
2170         for (cur = mlist; cur != NULL; cur = cur->next) {
2171                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2172                 gchar *msg;
2173
2174                 num++;
2175                 if (folder->ui_func)
2176                         folder->ui_func(folder, item,
2177                                         folder->ui_func_data ?
2178                                         folder->ui_func_data :
2179                                         GINT_TO_POINTER(num));
2180
2181                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2182                 if (!msg) {
2183                         g_warning("Can't fetch message %d. Aborting.\n",
2184                                   msginfo->msgnum);
2185                         ret = -1;
2186                         break;
2187                 }
2188                 g_free(msg);
2189         }
2190
2191         procmsg_msg_list_free(mlist);
2192
2193         return ret;
2194 }
2195
2196 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2197 {
2198         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2199                                        {NULL,           NULL, FALSE}};
2200         FILE *fp;
2201         MsgInfo *msginfo;
2202         gint msgnum = 0;
2203         gchar buf[BUFFSIZE];
2204
2205         if ((fp = fopen(file, "rb")) == NULL)
2206                 return 0;
2207
2208         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
2209                 while (fgets(buf, sizeof(buf), fp) != NULL)
2210                         if (buf[0] == '\r' || buf[0] == '\n') break;
2211
2212         procheader_get_header_fields(fp, hentry);
2213         if (hentry[0].body) {
2214                 extract_parenthesis(hentry[0].body, '<', '>');
2215                 remove_space(hentry[0].body);
2216                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2217                         msgnum = msginfo->msgnum;
2218                         procmsg_msginfo_free(msginfo);
2219
2220                         debug_print("found message as uid %d\n", msgnum);
2221                 }
2222         }
2223
2224         g_free(hentry[0].body);
2225         hentry[0].body = NULL;
2226         fclose(fp);
2227
2228         return msgnum;
2229 }
2230
2231 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2232 {
2233         MsgPermFlags perm_flags = 0;
2234         MsgTmpFlags tmp_flags = 0;
2235
2236         /* create new flags */
2237         if (source != NULL) {
2238                 /* copy original flags */
2239                 perm_flags = source->flags.perm_flags;
2240                 tmp_flags = source->flags.tmp_flags;
2241         } else {
2242                 perm_flags = dest->flags.perm_flags;
2243                 tmp_flags = dest->flags.tmp_flags;
2244         }
2245
2246         /* remove new, unread and deleted in special folders */
2247         if (dest->folder->stype == F_OUTBOX ||
2248             dest->folder->stype == F_QUEUE  ||
2249             dest->folder->stype == F_DRAFT  ||
2250             dest->folder->stype == F_TRASH)
2251                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2252
2253         /* set ignore flag of ignored parent exists */
2254         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2255                 perm_flags |= MSG_IGNORE_THREAD;
2256
2257         /* Unset tmp flags that should not be copied */
2258         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
2259
2260         /* unset flags that are set but should not */
2261         procmsg_msginfo_unset_flags(dest,
2262                                     dest->flags.perm_flags & ~perm_flags,
2263                                     dest->flags.tmp_flags  & ~tmp_flags);
2264         /* set new flags */
2265         procmsg_msginfo_set_flags(dest,
2266                                   ~dest->flags.perm_flags & perm_flags,
2267                                   ~dest->flags.tmp_flags  & tmp_flags);
2268 }
2269
2270 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2271 {
2272         /* update folder stats */
2273         if (MSG_IS_NEW(newmsginfo->flags))
2274                 item->new_msgs++;
2275         if (MSG_IS_UNREAD(newmsginfo->flags))
2276                 item->unread_msgs++;
2277         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2278                 item->unreadmarked_msgs++;
2279         item->total_msgs++;
2280
2281         folder_item_update_freeze();
2282         msgcache_add_msg(item->cache, newmsginfo);
2283         copy_msginfo_flags(flagsource, newmsginfo);
2284         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2285         folder_item_update_thaw();
2286 }
2287
2288 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2289 {
2290         MsgInfoUpdate msginfo_update;
2291
2292         if (!item->cache)
2293                 folder_item_read_cache(item);
2294
2295         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2296                 msginfo->folder->new_msgs--;
2297         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2298                 msginfo->folder->unread_msgs--;
2299         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2300                 msginfo->folder->unreadmarked_msgs--;
2301         msginfo->folder->total_msgs--;
2302
2303         msginfo_update.msginfo = msginfo;
2304         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2305         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2306
2307         msgcache_remove_msg(item->cache, msginfo->msgnum);
2308         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2309 }
2310
2311 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2312                          MsgFlags *flags, gboolean remove_source)
2313 {
2314         GSList file_list;
2315         MsgFileInfo fileinfo;
2316
2317         g_return_val_if_fail(dest != NULL, -1);
2318         g_return_val_if_fail(file != NULL, -1);
2319
2320         fileinfo.msginfo = NULL;
2321         fileinfo.file = (gchar *)file;
2322         fileinfo.flags = flags;
2323         file_list.data = &fileinfo;
2324         file_list.next = NULL;
2325
2326         return folder_item_add_msgs(dest, &file_list, remove_source);
2327 }
2328
2329 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2330                           gboolean remove_source)
2331 {
2332         Folder *folder;
2333         gint ret, num, lastnum = -1;
2334         GSList *file_cur;
2335         GRelation *relation;
2336         MsgFileInfo *fileinfo = NULL;
2337         gboolean folderscan = FALSE;
2338
2339         g_return_val_if_fail(dest != NULL, -1);
2340         g_return_val_if_fail(file_list != NULL, -1);
2341         g_return_val_if_fail(dest->folder != NULL, -1);
2342
2343         folder = dest->folder;
2344
2345         relation = g_relation_new(2);
2346         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2347
2348         if (folder->klass->add_msgs != NULL) {
2349                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2350                 if (ret < 0) {
2351                         g_relation_destroy(relation);
2352                         return ret;
2353                 }
2354         } else {
2355                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2356                         fileinfo = (MsgFileInfo *) file_cur->data;
2357
2358                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2359                         if (ret < 0) {
2360                                 g_relation_destroy(relation);
2361                                 return ret;
2362                         }
2363                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2364                 }
2365         }
2366
2367         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2368                 GTuples *tuples;
2369
2370                 fileinfo = (MsgFileInfo *) file_cur->data;
2371                 tuples = g_relation_select(relation, fileinfo, 0);
2372                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2373                 g_tuples_destroy(tuples);
2374
2375                 if (num >= 0) {
2376                         MsgInfo *newmsginfo;
2377
2378                         if (num == 0) {
2379                                 if (!folderscan) {
2380                                         folder_item_scan_full(dest, FALSE);
2381                                         folderscan = TRUE;
2382                                 }
2383                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2384                         }
2385
2386                         if (num > lastnum)
2387                                 lastnum = num;
2388
2389                         if (num >= 0 && remove_source) {
2390                                 if (unlink(fileinfo->file) < 0)
2391                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2392                         }
2393
2394                         if (num == 0)
2395                                 continue;
2396
2397                         if (!folderscan &&
2398                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2399                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2400                                 procmsg_msginfo_free(newmsginfo);
2401                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2402                                 /* TODO: set default flags */
2403                                 procmsg_msginfo_free(newmsginfo);
2404                         }
2405                 }
2406         }
2407
2408         g_relation_destroy(relation);
2409
2410         return lastnum;
2411 }
2412
2413 /*
2414 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2415 {
2416         Folder *folder;
2417         gint num;
2418
2419         g_return_val_if_fail(dest != NULL, -1);
2420         g_return_val_if_fail(msginfo != NULL, -1);
2421
2422         folder = dest->folder;
2423         if (dest->last_num < 0) folder->scan(folder, dest);
2424
2425         num = folder->move_msg(folder, dest, msginfo);
2426         if (num > 0) dest->last_num = num;
2427
2428         return num;
2429 }
2430 */
2431
2432 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2433 {
2434         GSList *mlist;
2435         FolderItem *new_item;
2436         FolderItem *next_item;
2437         GNode *srcnode;
2438         gchar *old_id, *new_id;
2439
2440         mlist = folder_item_get_msg_list(src);
2441
2442         /* move messages */
2443         debug_print("Moving %s to %s\n", src->path, dest->path);
2444         new_item = folder_create_folder(dest, src->name);
2445         if (new_item == NULL) {
2446                 printf("Can't create folder\n");
2447                 return NULL;
2448         }
2449
2450         if (new_item->folder == NULL)
2451                 new_item->folder = dest->folder;
2452
2453         /* move messages */
2454         log_message(_("Moving %s to %s...\n"),
2455                         src->name, new_item->path);
2456         if (mlist != NULL)
2457                 folder_item_move_msgs(new_item, mlist);
2458
2459         /*copy prefs*/
2460         folder_item_prefs_copy_prefs(src, new_item);
2461         new_item->collapsed = src->collapsed;
2462         new_item->thread_collapsed = src->thread_collapsed;
2463         new_item->threaded  = src->threaded;
2464         new_item->ret_rcpt  = src->ret_rcpt;
2465         new_item->hide_read_msgs = src->hide_read_msgs;
2466         new_item->sort_key  = src->sort_key;
2467         new_item->sort_type = src->sort_type;
2468
2469         prefs_matcher_write_config();
2470
2471         /* recurse */
2472         srcnode = src->folder->node;
2473         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2474         srcnode = srcnode->children;
2475         while (srcnode != NULL) {
2476                 if (srcnode && srcnode->data) {
2477                         next_item = (FolderItem*) srcnode->data;
2478                         srcnode = srcnode->next;
2479                         if (folder_item_move_recursive(next_item, new_item) == NULL)
2480                                 return NULL;
2481                 }
2482         }
2483         old_id = folder_item_get_identifier(src);
2484         new_id = folder_item_get_identifier(new_item);
2485         debug_print("updating rules : %s => %s\n", old_id, new_id);
2486
2487         /* if src supports removing, otherwise only copy folder */
2488         if (src->folder->klass->remove_folder != NULL)
2489                 src->folder->klass->remove_folder(src->folder, src);
2490         folder_write_list();
2491
2492         if (old_id != NULL && new_id != NULL)
2493                 prefs_filtering_rename_path(old_id, new_id);
2494         g_free(old_id);
2495         g_free(new_id);
2496
2497         return new_item;
2498 }
2499
2500 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2501 {
2502         FolderItem *tmp = folder_item_parent(dest);
2503         gchar * src_identifier, * dst_identifier;
2504         gchar * phys_srcpath, * phys_dstpath;
2505
2506         while (tmp) {
2507                 if (tmp == src) {
2508                         return F_MOVE_FAILED_DEST_IS_CHILD;
2509                 }
2510                 tmp = folder_item_parent(tmp);;
2511         }
2512
2513         tmp = folder_item_parent(src);
2514
2515         src_identifier = folder_item_get_identifier(src);
2516         dst_identifier = folder_item_get_identifier(dest);
2517
2518         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2519                 /* dest can be a root folder */
2520                 dst_identifier = folder_get_identifier(dest->folder);
2521         }
2522         if (src_identifier == NULL || dst_identifier == NULL) {
2523                 debug_print("Can't get identifiers\n");
2524                 return F_MOVE_FAILED;
2525         }
2526
2527         if (src->folder != dest->folder) {
2528                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2529         }
2530
2531         phys_srcpath = folder_item_get_path(src);
2532         phys_dstpath = g_strconcat(folder_item_get_path(dest),
2533                        G_DIR_SEPARATOR_S,
2534                        g_path_get_basename(phys_srcpath),
2535                        NULL);
2536
2537         if (folder_item_parent(src) == dest || src == dest) {
2538                 g_free(src_identifier);
2539                 g_free(dst_identifier);
2540                 g_free(phys_srcpath);
2541                 g_free(phys_dstpath);
2542                 return F_MOVE_FAILED_DEST_IS_PARENT;
2543         }
2544         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2545         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2546                 return F_MOVE_FAILED;
2547         }
2548
2549         g_free(src_identifier);
2550         g_free(dst_identifier);
2551         g_free(phys_srcpath);
2552         g_free(phys_dstpath);
2553
2554         *new_item = tmp;
2555
2556         return F_MOVE_OK;
2557 }
2558
2559 /**
2560  * Copy a list of message to a new folder and remove
2561  * source messages if wanted
2562  */
2563 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2564 {
2565         Folder *folder;
2566         GSList *l;
2567         gint num, lastnum = -1;
2568         gboolean folderscan = FALSE;
2569         GRelation *relation;
2570
2571         g_return_val_if_fail(dest != NULL, -1);
2572         g_return_val_if_fail(msglist != NULL, -1);
2573
2574         folder = dest->folder;
2575
2576         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2577
2578         relation = g_relation_new(2);
2579         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2580         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2581
2582         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2583                 MsgInfo * msginfo = (MsgInfo *) l->data;
2584
2585                 if (msginfo->planned_download != 0) {
2586                         int old_planned = msginfo->planned_download;
2587                         partial_unmark(msginfo);
2588                         /* little hack to reenable after */
2589                         msginfo->planned_download = old_planned;
2590                 }
2591         }
2592
2593         /*
2594          * Copy messages to destination folder and
2595          * store new message numbers in newmsgnums
2596          */
2597         if (folder->klass->copy_msgs != NULL) {
2598                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2599                         g_relation_destroy(relation);
2600                         return -1;
2601                 }
2602         } else {
2603                 for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2604                         MsgInfo * msginfo = (MsgInfo *) l->data;
2605
2606                         num = folder->klass->copy_msg(folder, dest, msginfo);
2607                         g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
2608                 }
2609         }
2610
2611         /* Read cache for dest folder */
2612         if (!dest->cache) folder_item_read_cache(dest);
2613
2614         /*
2615          * Fetch new MsgInfos for new messages in dest folder,
2616          * add them to the msgcache and update folder message counts
2617          */
2618         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
2619                 folder_item_scan_full(dest, FALSE);
2620                 folderscan = TRUE;
2621         }
2622
2623         for (l = msglist; l != NULL; l = g_slist_next(l)) {
2624                 MsgInfo *msginfo = (MsgInfo *) l->data;
2625                 GTuples *tuples;
2626
2627                 tuples = g_relation_select(relation, msginfo, 0);
2628                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2629                 g_tuples_destroy(tuples);
2630
2631                 if (num >= 0) {
2632                         MsgInfo *newmsginfo = NULL;
2633
2634                         if (folderscan) {
2635                                 if (msginfo->msgid != NULL) {
2636                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
2637                                         if (newmsginfo != NULL) {
2638                                                 copy_msginfo_flags(msginfo, newmsginfo);
2639                                                 num = newmsginfo->msgnum;
2640                                         }
2641                                 }
2642                         } else {
2643                                 newmsginfo = get_msginfo(dest, num);
2644                                 if (newmsginfo != NULL) {
2645                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
2646                                 }
2647                         }
2648
2649                         if (msginfo->planned_download
2650                             == POP3_PARTIAL_DLOAD_DELE) {
2651                                 partial_mark_for_delete(newmsginfo);
2652                         }
2653                         if (msginfo->planned_download
2654                             == POP3_PARTIAL_DLOAD_DLOAD) {
2655                                 partial_mark_for_download(newmsginfo);
2656                         }
2657                         procmsg_msginfo_free(newmsginfo);
2658
2659
2660                         if (num > lastnum)
2661                                 lastnum = num;
2662                 }
2663         }
2664
2665         if (remove_source) {
2666                 /*
2667                  * Remove source messages from their folders if
2668                  * copying was successfull and update folder
2669                  * message counts
2670                  */
2671                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
2672                         MsgInfo *msginfo = (MsgInfo *) l->data;
2673                         FolderItem *item = msginfo->folder;
2674                         GTuples *tuples;
2675
2676                         tuples = g_relation_select(relation, msginfo, 0);
2677                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2678                         g_tuples_destroy(tuples);
2679
2680                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
2681                                 item->folder->klass->remove_msg(item->folder,
2682                                                                 msginfo->folder,
2683                                                                 msginfo->msgnum);
2684                                 remove_msginfo_from_cache(item, msginfo);
2685                         }
2686                 }
2687         }
2688
2689         g_relation_destroy(relation);
2690         return lastnum;
2691 }
2692
2693 /**
2694  * Move a message to a new folder.
2695  *
2696  * \param dest Destination folder
2697  * \param msginfo The message
2698  */
2699 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2700 {
2701         GSList list;
2702
2703         g_return_val_if_fail(dest != NULL, -1);
2704         g_return_val_if_fail(msginfo != NULL, -1);
2705
2706         list.data = msginfo;
2707         list.next = NULL;
2708
2709         return do_copy_msgs(dest, &list, TRUE);
2710 }
2711
2712 /**
2713  * Move a list of messages to a new folder.
2714  *
2715  * \param dest Destination folder
2716  * \param msglist List of messages
2717  */
2718 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
2719 {
2720         g_return_val_if_fail(dest != NULL, -1);
2721         g_return_val_if_fail(msglist != NULL, -1);
2722
2723         return do_copy_msgs(dest, msglist, TRUE);
2724 }
2725
2726 /**
2727  * Copy a message to a new folder.
2728  *
2729  * \param dest Destination folder
2730  * \param msginfo The message
2731  */
2732 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2733 {
2734         GSList list;
2735
2736         g_return_val_if_fail(dest != NULL, -1);
2737         g_return_val_if_fail(msginfo != NULL, -1);
2738
2739         list.data = msginfo;
2740         list.next = NULL;
2741
2742         return do_copy_msgs(dest, &list, FALSE);
2743 }
2744
2745 /**
2746  * Copy a list of messages to a new folder.
2747  *
2748  * \param dest Destination folder
2749  * \param msglist List of messages
2750  */
2751 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
2752 {
2753         g_return_val_if_fail(dest != NULL, -1);
2754         g_return_val_if_fail(msglist != NULL, -1);
2755
2756         return do_copy_msgs(dest, msglist, FALSE);
2757 }
2758
2759 gint folder_item_remove_msg(FolderItem *item, gint num)
2760 {
2761         Folder *folder;
2762         gint ret;
2763         MsgInfo *msginfo;
2764
2765         g_return_val_if_fail(item != NULL, -1);
2766         folder = item->folder;
2767         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
2768
2769         if (!item->cache) folder_item_read_cache(item);
2770
2771         ret = folder->klass->remove_msg(folder, item, num);
2772
2773         msginfo = msgcache_get_msg(item->cache, num);
2774         if (msginfo != NULL) {
2775                 remove_msginfo_from_cache(item, msginfo);
2776                 procmsg_msginfo_free(msginfo);
2777         }
2778
2779         return ret;
2780 }
2781
2782 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2783 {
2784         Folder *folder;
2785         gint ret = 0;
2786
2787         g_return_val_if_fail(item != NULL, -1);
2788         folder = item->folder;
2789         g_return_val_if_fail(folder != NULL, -1);
2790
2791         if (!item->cache) folder_item_read_cache(item);
2792
2793         folder_item_update_freeze();
2794         while (msglist != NULL) {
2795                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2796
2797                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2798                 if (ret != 0) break;
2799                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2800                 msglist = msglist->next;
2801         }
2802         folder_item_update_thaw();
2803
2804         return ret;
2805 }
2806
2807 gint folder_item_remove_all_msg(FolderItem *item)
2808 {
2809         Folder *folder;
2810         gint result;
2811
2812         g_return_val_if_fail(item != NULL, -1);
2813
2814         folder = item->folder;
2815
2816         g_return_val_if_fail(folder->klass->remove_all_msg != NULL, -1);
2817
2818         result = folder->klass->remove_all_msg(folder, item);
2819
2820         if (result == 0) {
2821                 folder_item_free_cache(item);
2822                 item->cache = msgcache_new();
2823
2824                 item->new_msgs = 0;
2825                 item->unread_msgs = 0;
2826                 item->unreadmarked_msgs = 0;
2827                 item->total_msgs = 0;
2828                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2829         }
2830
2831         return result;
2832 }
2833
2834 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
2835 {
2836         g_return_if_fail(item != NULL);
2837         g_return_if_fail(msginfo != NULL);
2838
2839         if (item->folder->klass->change_flags != NULL) {
2840                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
2841         } else {
2842                 msginfo->flags.perm_flags = newflags;
2843         }
2844 }
2845
2846 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2847 {
2848         Folder *folder;
2849
2850         g_return_val_if_fail(item != NULL, FALSE);
2851
2852         folder = item->folder;
2853
2854         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
2855
2856         return folder->klass->is_msg_changed(folder, item, msginfo);
2857 }
2858
2859 gchar *folder_item_get_cache_file(FolderItem *item)
2860 {
2861         gchar *path;
2862         gchar *file;
2863
2864         g_return_val_if_fail(item != NULL, NULL);
2865         g_return_val_if_fail(item->path != NULL, NULL);
2866
2867         path = folder_item_get_path(item);
2868         g_return_val_if_fail(path != NULL, NULL);
2869         if (!is_dir_exist(path))
2870                 make_dir_hier(path);
2871         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2872         g_free(path);
2873
2874         return file;
2875 }
2876
2877 gchar *folder_item_get_mark_file(FolderItem *item)
2878 {
2879         gchar *path;
2880         gchar *file;
2881
2882         g_return_val_if_fail(item != NULL, NULL);
2883         g_return_val_if_fail(item->path != NULL, NULL);
2884
2885         path = folder_item_get_path(item);
2886         g_return_val_if_fail(path != NULL, NULL);
2887         if (!is_dir_exist(path))
2888                 make_dir_hier(path);
2889         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2890         g_free(path);
2891
2892         return file;
2893 }
2894
2895 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
2896 {
2897         XMLNode *xmlnode = (XMLNode *) nodedata;
2898         Folder *folder = (Folder *) data;
2899         FolderItem *item;
2900
2901         g_return_val_if_fail(xmlnode != NULL, NULL);
2902         g_return_val_if_fail(folder != NULL, NULL);
2903
2904         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2905                 g_warning("tag name != \"folderitem\"\n");
2906                 return NULL;
2907         }
2908
2909         item = folder_item_new(folder, "", "");
2910         if (folder->klass->item_set_xml != NULL)
2911                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
2912         else
2913                 folder_item_set_xml(folder, item, xmlnode->tag);
2914
2915         item->folder = folder;
2916
2917         switch (item->stype) {
2918         case F_INBOX:  folder->inbox  = item; break;
2919         case F_OUTBOX: folder->outbox = item; break;
2920         case F_DRAFT:  folder->draft  = item; break;
2921         case F_QUEUE:  folder->queue  = item; break;
2922         case F_TRASH:  folder->trash  = item; break;
2923         default:       break;
2924         }
2925         folder_item_prefs_read_config(item);
2926
2927         return item;
2928 }
2929
2930 static gboolean folder_item_set_node(GNode *node, gpointer data)
2931 {
2932         FolderItem *item = (FolderItem *) node->data;
2933         item->node = node;
2934
2935         return FALSE;
2936 }
2937
2938 static Folder *folder_get_from_xml(GNode *node)
2939 {
2940         Folder *folder;
2941         XMLNode *xmlnode;
2942         GList *list;
2943         FolderClass *klass = NULL;
2944         GNode *cur;
2945
2946         g_return_val_if_fail(node->data != NULL, NULL);
2947
2948         xmlnode = node->data;
2949         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2950                 g_warning("tag name != \"folder\"\n");
2951                 return NULL;
2952         }
2953         list = xmlnode->tag->attr;
2954         for (; list != NULL; list = list->next) {
2955                 XMLAttr *attr = list->data;
2956
2957                 if (!attr || !attr->name || !attr->value) continue;
2958                 if (!strcmp(attr->name, "type"))
2959                         klass = folder_get_class_from_string(attr->value);
2960         }
2961         if (klass == NULL)
2962                 return NULL;
2963
2964         folder = folder_new(klass, "", "");
2965         g_return_val_if_fail(folder != NULL, NULL);
2966
2967         if (klass->set_xml)
2968                 klass->set_xml(folder, xmlnode->tag);
2969         else
2970                 folder_set_xml(folder, xmlnode->tag);
2971
2972         cur = node->children;
2973         while (cur != NULL) {
2974                 GNode *itemnode;
2975
2976                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
2977                 g_node_append(folder->node, itemnode);
2978                 cur = cur->next;
2979         }
2980         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
2981
2982         return folder;
2983 }
2984
2985 static gchar *folder_get_list_path(void)
2986 {
2987         static gchar *filename = NULL;
2988
2989         if (!filename)
2990                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2991                                         FOLDER_LIST, NULL);
2992
2993         return filename;
2994 }
2995
2996 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2997 {                                                       \
2998         fputs(" " attr "=\"", fp);                      \
2999         xml_file_put_escape_str(fp, str);               \
3000         fputs("\"", fp);                                \
3001 }
3002
3003 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3004 {
3005         FolderItem *item = (FolderItem *) nodedata;
3006         XMLTag *tag;
3007
3008         g_return_val_if_fail(item != NULL, NULL);
3009
3010         if (item->folder->klass->item_get_xml != NULL)
3011                 tag = item->folder->klass->item_get_xml(item->folder, item);
3012         else
3013                 tag = folder_item_get_xml(item->folder, item);
3014
3015         return xml_node_new(tag, NULL);;
3016 }
3017
3018 static GNode *folder_get_xml_node(Folder *folder)
3019 {
3020         GNode *node;
3021         XMLNode *xmlnode;
3022         XMLTag *tag;
3023
3024         g_return_val_if_fail(folder != NULL, NULL);
3025
3026         if (folder->klass->get_xml != NULL)
3027                 tag = folder->klass->get_xml(folder);
3028         else
3029                 tag = folder_get_xml(folder);
3030
3031         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3032
3033         xmlnode = xml_node_new(tag, NULL);
3034
3035         node = g_node_new(xmlnode);
3036         if (folder->node->children) {
3037                 GNode *cur;
3038
3039                 cur = folder->node->children;
3040                 while (cur) {
3041                         GNode *xmlnode;
3042
3043                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3044                         g_node_append(node, xmlnode);
3045                         cur = cur->next;
3046                 }
3047         }
3048
3049         return node;
3050 }
3051
3052 static void folder_update_op_count_rec(GNode *node)
3053 {
3054         FolderItem *fitem = FOLDER_ITEM(node->data);
3055
3056         if (g_node_depth(node) > 0) {
3057                 if (fitem->op_count > 0) {
3058                         fitem->op_count = 0;
3059                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3060                 }
3061                 if (node->children) {
3062                         GNode *child;
3063
3064                         child = node->children;
3065                         while (child) {
3066                                 GNode *cur;
3067
3068                                 cur = child;
3069                                 child = cur->next;
3070                                 folder_update_op_count_rec(cur);
3071                         }
3072                 }
3073         }
3074 }
3075
3076 void folder_update_op_count(void)
3077 {
3078         GList *cur;
3079         Folder *folder;
3080
3081         for (cur = folder_list; cur != NULL; cur = cur->next) {
3082                 folder = cur->data;
3083                 folder_update_op_count_rec(folder->node);
3084         }
3085 }
3086
3087 typedef struct _type_str {
3088         gchar * str;
3089         gint type;
3090 } type_str;
3091
3092
3093 /*
3094 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3095 {
3096         if (item->parent != NULL) {
3097                 gchar * path;
3098                 gchar * id;
3099
3100                 path = folder_item_get_tree_identifier(item->parent);
3101                 if (path == NULL)
3102                         return NULL;
3103
3104                 id = g_strconcat(path, "/", item->name, NULL);
3105                 g_free(path);
3106
3107                 return id;
3108         }
3109         else {
3110                 return g_strconcat("/", item->name, NULL);
3111         }
3112 }
3113 */
3114
3115 /* CLAWS: temporary local folder for filtering */
3116 #define TEMP_FOLDER "TEMP_FOLDER"
3117 #define PROCESSING_FOLDER_ITEM "processing"
3118
3119 static FolderItem *processing_folder_item;
3120
3121 static void folder_create_processing_folder(void)
3122 {
3123         Folder *processing_folder;
3124         gchar      *tmpname;
3125
3126         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3127                 gchar *tmppath;
3128
3129                 tmppath =
3130                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3131                                 "tempfolder", NULL);
3132                 processing_folder =
3133                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3134                 g_free(tmppath);
3135         }
3136         g_assert(processing_folder != NULL);
3137
3138         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3139         if (LOCAL_FOLDER(processing_folder)->rootpath[0] == '/')
3140                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3141                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3142                                       NULL);
3143         else
3144                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3145                                       LOCAL_FOLDER(processing_folder)->rootpath,
3146                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3147                                       NULL);
3148
3149         if (!is_dir_exist(tmpname)) {
3150                 debug_print("*TMP* creating %s\n", tmpname);
3151                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3152                                                                                  processing_folder->node->data,
3153                                                                                  PROCESSING_FOLDER_ITEM);
3154         } else {
3155                 debug_print("*TMP* already created\n");
3156                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3157                 g_assert(processing_folder_item);
3158                 folder_item_append(processing_folder->node->data, processing_folder_item);
3159         }
3160         g_assert(processing_folder_item != NULL);
3161         g_free(tmpname);
3162 }
3163
3164 FolderItem *folder_get_default_processing(void)
3165 {
3166         if (!processing_folder_item) {
3167                 folder_create_processing_folder();
3168         }
3169         return processing_folder_item;
3170 }
3171
3172 /* folder_persist_prefs_new() - return hash table with persistent
3173  * settings (and folder name as key).
3174  * (note that in claws other options are in the folder_item_prefs_RC
3175  * file, so those don't need to be included in PersistPref yet)
3176  */
3177 GHashTable *folder_persist_prefs_new(Folder *folder)
3178 {
3179         GHashTable *pptable;
3180
3181         g_return_val_if_fail(folder, NULL);
3182         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3183         folder_get_persist_prefs_recursive(folder->node, pptable);
3184         return pptable;
3185 }
3186
3187 void folder_persist_prefs_free(GHashTable *pptable)
3188 {
3189         g_return_if_fail(pptable);
3190         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3191         g_hash_table_destroy(pptable);
3192 }
3193
3194 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3195 {
3196         if (pptable == NULL || name == NULL) return NULL;
3197         return g_hash_table_lookup(pptable, name);
3198 }
3199
3200 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3201 {
3202         const PersistPrefs *pp;
3203         gchar *id = folder_item_get_identifier(item);
3204
3205         pp = folder_get_persist_prefs(pptable, id);
3206         g_free(id);
3207
3208         if (!pp) return;
3209
3210         /* CLAWS: since not all folder properties have been migrated to
3211          * folderlist.xml, we need to call the old stuff first before
3212          * setting things that apply both to Main and Claws. */
3213         folder_item_prefs_read_config(item);
3214
3215         item->collapsed = pp->collapsed;
3216         item->thread_collapsed = pp->thread_collapsed;
3217         item->threaded  = pp->threaded;
3218         item->ret_rcpt  = pp->ret_rcpt;
3219         item->hide_read_msgs = pp->hide_read_msgs;
3220         item->sort_key  = pp->sort_key;
3221         item->sort_type = pp->sort_type;
3222 }
3223
3224 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3225 {
3226         FolderItem *item = FOLDER_ITEM(node->data);
3227         PersistPrefs *pp;
3228         GNode *child, *cur;
3229         gchar *id;
3230
3231         g_return_if_fail(node != NULL);
3232         g_return_if_fail(item != NULL);
3233
3234         /* NOTE: item->path == NULL means top level folder; not interesting
3235          * to store preferences of that one.  */
3236         if (item->path) {
3237                 id = folder_item_get_identifier(item);
3238                 pp = g_new0(PersistPrefs, 1);
3239                 g_return_if_fail(pp != NULL);
3240                 pp->collapsed = item->collapsed;
3241                 pp->thread_collapsed = item->thread_collapsed;
3242                 pp->threaded  = item->threaded;
3243                 pp->ret_rcpt  = item->ret_rcpt;
3244                 pp->hide_read_msgs = item->hide_read_msgs;
3245                 pp->sort_key  = item->sort_key;
3246                 pp->sort_type = item->sort_type;
3247                 g_hash_table_insert(pptable, id, pp);
3248         }
3249
3250         if (node->children) {
3251                 child = node->children;
3252                 while (child) {
3253                         cur = child;
3254                         child = cur->next;
3255                         folder_get_persist_prefs_recursive(cur, pptable);
3256                 }
3257         }
3258 }
3259
3260 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3261 {
3262         if (key)
3263                 g_free(key);
3264         if (val)
3265                 g_free(val);
3266         return TRUE;
3267 }
3268
3269 void folder_item_apply_processing(FolderItem *item)
3270 {
3271         GSList *processing_list;
3272         GSList *mlist, *cur;
3273
3274         g_return_if_fail(item != NULL);
3275
3276         processing_list = item->prefs->processing;
3277
3278         folder_item_update_freeze();
3279
3280         mlist = folder_item_get_msg_list(item);
3281         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3282                 MsgInfo * msginfo;
3283
3284                 msginfo = (MsgInfo *) cur->data;
3285
3286                 /* reset parameters that can be modified by processing */
3287                 msginfo->hidden = 0;
3288                 msginfo->score = 0;
3289
3290                 /* apply pre global rules */
3291                 filter_message_by_msginfo(pre_global_processing, msginfo);
3292
3293                 /* apply rules of the folder */
3294                 filter_message_by_msginfo(processing_list, msginfo);
3295
3296                 /* apply post global rules */
3297                 filter_message_by_msginfo(post_global_processing, msginfo);
3298
3299                 procmsg_msginfo_free(msginfo);
3300         }
3301         g_slist_free(mlist);
3302
3303         folder_item_update_thaw();
3304 }
3305
3306 /*
3307  *  functions for handling FolderItem content changes
3308  */
3309 static gint folder_item_update_freeze_cnt = 0;
3310
3311 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3312 {
3313         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3314                 FolderItemUpdateData source;
3315
3316                 source.item = item;
3317                 source.update_flags = update_flags;
3318                 source.msg = msg;
3319                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3320         } else {
3321                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3322         }
3323 }
3324
3325 /**
3326  * Notify the folder system about changes to a folder. If the
3327  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3328  * be invoked, otherwise the changes will be remebered until
3329  * the folder system is thawed.
3330  *
3331  * \param item The FolderItem that was changed
3332  * \param update_flags Type of changed that was made
3333  */
3334 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3335 {
3336         folder_item_update_with_msg(item, update_flags, NULL);
3337 }
3338
3339 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3340 {
3341         GNode *node = item->folder->node;
3342
3343         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3344         node = node->children;
3345
3346         folder_item_update(item, update_flags);
3347         while (node != NULL) {
3348                 if (node && node->data) {
3349                         FolderItem *next_item = (FolderItem*) node->data;
3350
3351                         folder_item_update(next_item, update_flags);
3352                 }
3353                 node = node->next;
3354         }
3355 }
3356
3357 void folder_item_update_freeze(void)
3358 {
3359         folder_item_update_freeze_cnt++;
3360 }
3361
3362 static void folder_item_update_func(FolderItem *item, gpointer data)
3363 {
3364         FolderItemUpdateData source;
3365
3366         if (item->update_flags) {
3367                 source.item = item;
3368                 source.update_flags = item->update_flags;
3369                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3370                 item->update_flags = 0;
3371         }
3372 }
3373
3374 void folder_item_update_thaw(void)
3375 {
3376         if (folder_item_update_freeze_cnt > 0)
3377                 folder_item_update_freeze_cnt--;
3378         if (folder_item_update_freeze_cnt == 0) {
3379                 /* Update all folders */
3380                 folder_func_to_all_folders(folder_item_update_func, NULL);
3381         }
3382 }
3383
3384 #undef PUT_ESCAPE_STR