src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33 #include <stdlib.h>
  34 #ifdef WIN32
  35 #include <w32lib.h>
  36 #endif
  37
  38 #include "folder.h"
  39 #include "session.h"
  40 #include "inc.h"
  41 #include "imap.h"
  42 #include "news.h"
  43 #include "mh.h"
  44 #include "utils.h"
  45 #include "xml.h"
  46 #include "codeconv.h"
  47 #include "prefs_gtk.h"
  48 #include "account.h"
  49 #include "filtering.h"
  50 #include "procheader.h"
  51 #include "hooks.h"
  52 #include "log.h"
  53 #include "folder_item_prefs.h"
  54 #include "remotefolder.h"
  55 #include "partial_download.h"
  56 #include "statusbar.h"
  57 #include "gtkutils.h"
  58 #include "timing.h"
  59 #include "compose.h"
  60
  61 /* Dependecies to be removed ?! */
  62 #include "prefs_common.h"
  63 #include "prefs_account.h"
  64
  65 /* Define possible missing constants for Windows. */
  66 #ifdef G_OS_WIN32
  67 # ifndef S_IRGRP
  68 # define S_IRGRP 0
  69 # define S_IWGRP 0
  70 # endif
  71 # ifndef S_IROTH
  72 # define S_IROTH 0
  73 # define S_IWOTH 0
  74 # endif
  75 #endif
  76
  77 static GList *folder_list = NULL;
  78 static GSList *class_list = NULL;
  79 static GSList *folder_unloaded_list = NULL;
  80
  81 void folder_init                (Folder         *folder,
  82                                  const gchar    *name);
  83
  84 static gchar *folder_item_get_cache_file        (FolderItem     *item);
  85 static gchar *folder_item_get_mark_file (FolderItem     *item);
  86 static gchar *folder_get_list_path      (void);
  87 static GNode *folder_get_xml_node       (Folder         *folder);
  88 static Folder *folder_get_from_xml      (GNode          *node);
  89 static void folder_update_op_count_rec  (GNode          *node);
  90
  91
  92 static void folder_get_persist_prefs_recursive
  93                                         (GNode *node, GHashTable *pptable);
  94 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  95 static void folder_item_read_cache              (FolderItem *item);
  96 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  97 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
  98                                          MsgInfo *msg);
  99 static GHashTable *folder_persist_prefs_new     (Folder *folder);
 100 static void folder_persist_prefs_free           (GHashTable *pptable);
 101 static void folder_item_restore_persist_prefs   (FolderItem *item, GHashTable *pptable);
 102
 103
 104 void folder_system_init(void)
 105 {
 106         folder_register_class(mh_get_class());
 107         folder_register_class(imap_get_class());
 108         folder_register_class(news_get_class());
 109 }
 110
 111 static GSList *folder_get_class_list(void)
 112 {
 113         return class_list;
 114 }
 115
 116 void folder_register_class(FolderClass *klass)
 117 {
 118         GSList *xmllist, *cur;
 119
 120         debug_print("registering folder class %s\n", klass->idstr);
 121
 122         class_list = g_slist_append(class_list, klass);
 123
 124         xmllist = g_slist_copy(folder_unloaded_list);
 125         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 126                 GNode *node = (GNode *) cur->data;
 127                 XMLNode *xmlnode = (XMLNode *) node->data;
 128                 GList *cur = xmlnode->tag->attr;
 129
 130                 for (; cur != NULL; cur = g_list_next(cur)) {
 131                         XMLAttr *attr = (XMLAttr *) cur->data;
 132
 133                         if (!attr || !attr->name || !attr->value) continue;
 134                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 135                                 Folder *folder;
 136
 137                                 folder = folder_get_from_xml(node);
 138                                 folder_add(folder);
 139                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 140
 141                                 cur = NULL;
 142                                 continue;
 143                         }
 144                 }
 145         }
 146         g_slist_free(xmllist);
 147 }
 148
 149 void folder_unregister_class(FolderClass *klass)
 150 {
 151         GList *folderlist, *cur;
 152
 153         debug_print("unregistering folder class %s\n", klass->idstr);
 154
 155         class_list = g_slist_remove(class_list, klass);
 156
 157         folderlist = g_list_copy(folder_get_list());
 158         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 159                 Folder *folder = (Folder *) cur->data;
 160
 161                 if (folder->klass == klass) {
 162                         GNode *xmlnode = folder_get_xml_node(folder);
 163                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 164                         folder_destroy(folder);
 165                 }
 166         }
 167         g_list_free(folderlist);
 168 }
 169
 170 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 171 {
 172         Folder *folder = NULL;
 173         FolderItem *item;
 174
 175         g_return_val_if_fail(klass != NULL, NULL);
 176
 177         name = name ? name : path;
 178         folder = klass->new_folder(name, path);
 179
 180         /* Create root folder item */
 181         item = folder_item_new(folder, name, NULL);
 182         if (item == NULL) {
 183                 return NULL;
 184         }
 185         item->folder = folder;
 186         folder->node = item->node = g_node_new(item);
 187         folder->data = NULL;
 188
 189         return folder;
 190 }
 191
 192 void folder_init(Folder *folder, const gchar *name)
 193 {
 194         g_return_if_fail(folder != NULL);
 195
 196         folder_set_name(folder, name);
 197
 198         /* Init folder data */
 199         folder->account = NULL;
 200         folder->sort = 0;
 201         folder->inbox = NULL;
 202         folder->outbox = NULL;
 203         folder->draft = NULL;
 204         folder->queue = NULL;
 205         folder->trash = NULL;
 206 }
 207
 208 static void reset_parent_type(FolderItem *item, gpointer data) {
 209         item->parent_stype = -1;
 210 }
 211
 212 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 213 {
 214         Folder *folder = NULL;
 215         FolderUpdateData hookdata;
 216
 217         folder = item->folder;
 218         /* unset previous root of newtype */
 219         switch(newtype) {
 220         case F_INBOX:
 221                 folder_item_change_type(folder->inbox, F_NORMAL);
 222                 folder->inbox = item;
 223                 break;
 224         case F_OUTBOX:
 225                 folder_item_change_type(folder->outbox, F_NORMAL);
 226                 folder->outbox = item;
 227                 break;
 228         case F_QUEUE:
 229                 folder_item_change_type(folder->queue, F_NORMAL);
 230                 folder->queue = item;
 231                 break;
 232         case F_DRAFT:
 233                 folder_item_change_type(folder->draft, F_NORMAL);
 234                 folder->draft = item;
 235                 break;
 236         case F_TRASH:
 237                 folder_item_change_type(folder->trash, F_NORMAL);
 238                 folder->trash = item;
 239                 break;
 240         case F_NORMAL:
 241         default:
 242                 break;
 243         }
 244         /* set new type for current folder and sons */
 245         item->stype = newtype;
 246         folder_func_to_all_folders(reset_parent_type, NULL);
 247
 248         hookdata.folder = folder;
 249         hookdata.update_flags = FOLDER_TREE_CHANGED;
 250         hookdata.item = NULL;
 251         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 252 }
 253
 254 void folder_destroy(Folder *folder)
 255 {
 256         g_return_if_fail(folder != NULL);
 257         g_return_if_fail(folder->klass->destroy_folder != NULL);
 258
 259         folder_remove(folder);
 260
 261         folder_tree_destroy(folder);
 262
 263         folder->klass->destroy_folder(folder);
 264
 265         g_free(folder->name);
 266         g_free(folder);
 267 }
 268
 269 void folder_set_xml(Folder *folder, XMLTag *tag)
 270 {
 271         GList *cur;
 272         FolderItem *rootitem = NULL;
 273
 274         if ((folder->node != NULL) && (folder->node->data != NULL))
 275                 rootitem = (FolderItem *) folder->node->data;
 276
 277         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 278                 XMLAttr *attr = (XMLAttr *) cur->data;
 279
 280                 if (!attr || !attr->name || !attr->value) continue;
 281                 if (!strcmp(attr->name, "name")) {
 282                         g_free(folder->name);
 283                         folder->name = g_strdup(attr->value);
 284                         if (rootitem != NULL) {
 285                                 g_free(rootitem->name);
 286                                 rootitem->name = g_strdup(attr->value);
 287                         }
 288                 } else if (!strcmp(attr->name, "account_id")) {
 289                         PrefsAccount *account;
 290
 291                         account = account_find_from_id(atoi(attr->value));
 292                         if (!account)
 293                                 g_warning("account_id: %s not found\n", attr->value);
 294                         else {
 295                                 folder->account = account;
 296                                 account->folder = folder;
 297                         }
 298                 } else if (!strcmp(attr->name, "collapsed")) {
 299                         if (rootitem != NULL)
 300                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 301                 } else if (!strcmp(attr->name, "sort")) {
 302                         folder->sort = atoi(attr->value);
 303                 }
 304         }
 305 }
 306
 307 XMLTag *folder_get_xml(Folder *folder)
 308 {
 309         XMLTag *tag;
 310
 311         tag = xml_tag_new("folder");
 312
 313         if (folder->name)
 314                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 315         if (folder->account)
 316                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 317         if (folder->node && folder->node->data) {
 318                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 319
 320                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 321         }
 322         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 323
 324         return tag;
 325 }
 326
 327 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 328 {
 329         FolderItem *item = NULL;
 330
 331         g_return_val_if_fail(folder != NULL, NULL);
 332
 333         if (folder->klass->item_new) {
 334                 item = folder->klass->item_new(folder);
 335         } else {
 336                 item = g_new0(FolderItem, 1);
 337         }
 338
 339         g_return_val_if_fail(item != NULL, NULL);
 340
 341         item->stype = F_NORMAL;
 342         item->name = g_strdup(name);
 343         item->path = g_strdup(path);
 344         item->mtime = 0;
 345         item->new_msgs = 0;
 346         item->unread_msgs = 0;
 347         item->unreadmarked_msgs = 0;
 348         item->marked_msgs = 0;
 349         item->total_msgs = 0;
 350         item->order = 0;
 351         item->last_num = -1;
 352         item->cache = NULL;
 353         item->no_sub = FALSE;
 354         item->no_select = FALSE;
 355         item->collapsed = FALSE;
 356         item->thread_collapsed = FALSE;
 357         item->threaded  = TRUE;
 358         item->ret_rcpt  = FALSE;
 359         item->opened    = FALSE;
 360         item->node = g_node_new(item);
 361         item->folder = NULL;
 362         item->account = NULL;
 363         item->apply_sub = FALSE;
 364         item->mark_queue = NULL;
 365         item->data = NULL;
 366         item->parent_stype = -1;
 367
 368         item->sort_key = SORT_BY_DATE;
 369         item->sort_type = SORT_ASCENDING;
 370
 371         item->prefs = folder_item_prefs_new();
 372
 373         return item;
 374 }
 375
 376 void folder_item_append(FolderItem *parent, FolderItem *item)
 377 {
 378         g_return_if_fail(parent != NULL);
 379         g_return_if_fail(parent->folder != NULL);
 380         g_return_if_fail(parent->node != NULL);
 381         g_return_if_fail(item != NULL);
 382
 383         item->folder = parent->folder;
 384         g_node_append(parent->node, item->node);
 385 }
 386
 387 void folder_item_remove(FolderItem *item)
 388 {
 389         GNode *node, *start_node;
 390         FolderUpdateData hookdata;
 391
 392         g_return_if_fail(item != NULL);
 393         g_return_if_fail(item->folder != NULL);
 394         g_return_if_fail(item->folder->node != NULL);
 395
 396         start_node = node = item->node;
 397
 398         node = item->folder->node;
 399
 400         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 401         node = node->children;
 402
 403         /* remove my children */
 404         while (node != NULL) {
 405                 if (node && node->data) {
 406                         FolderItem *sub_item = (FolderItem*) node->data;
 407                         node = node->next;
 408                         folder_item_remove(sub_item);
 409                 }
 410         }
 411
 412         /* remove myself */
 413         if (item->cache != NULL) {
 414                 msgcache_destroy(item->cache);
 415                 item->cache = NULL;
 416         }
 417
 418         hookdata.folder = item->folder;
 419         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 420         hookdata.item = item;
 421         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 422
 423         node = start_node;
 424
 425         if (item->folder->node == node)
 426                 item->folder->node = NULL;
 427
 428         folder_item_destroy(item);
 429
 430         g_node_destroy(node);
 431 }
 432
 433 void folder_item_remove_children(FolderItem *item)
 434 {
 435         GNode *node, *next;
 436
 437         g_return_if_fail(item != NULL);
 438         g_return_if_fail(item->folder != NULL);
 439         g_return_if_fail(item->node != NULL);
 440
 441         node = item->node->children;
 442         while (node != NULL) {
 443                 next = node->next;
 444                 folder_item_remove(FOLDER_ITEM(node->data));
 445                 node = next;
 446         }
 447 }
 448
 449 void folder_item_destroy(FolderItem *item)
 450 {
 451         Folder *folder;
 452
 453         g_return_if_fail(item != NULL);
 454
 455         folder = item->folder;
 456         if (folder) {
 457                 if (folder->inbox == item)
 458                         folder->inbox = NULL;
 459                 else if (folder->outbox == item)
 460                         folder->outbox = NULL;
 461                 else if (folder->draft == item)
 462                         folder->draft = NULL;
 463                 else if (folder->queue == item)
 464                         folder->queue = NULL;
 465                 else if (folder->trash == item)
 466                         folder->trash = NULL;
 467         }
 468
 469         if (item->cache)
 470                 folder_item_free_cache(item, TRUE);
 471         if (item->prefs)
 472                 folder_item_prefs_free(item->prefs);
 473         g_free(item->name);
 474         g_free(item->path);
 475
 476         if (item->folder != NULL) {
 477                 if(item->folder->klass->item_destroy) {
 478                         item->folder->klass->item_destroy(item->folder, item);
 479                 } else {
 480                         g_free(item);
 481                 }
 482         }
 483 }
 484
 485 FolderItem *folder_item_parent(FolderItem *item)
 486 {
 487         g_return_val_if_fail(item != NULL, NULL);
 488         g_return_val_if_fail(item->node != NULL, NULL);
 489
 490         if (item->node->parent == NULL)
 491                 return NULL;
 492         return (FolderItem *) item->node->parent->data;
 493 }
 494
 495 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 496 {
 497         GList *cur;
 498
 499         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 500                 XMLAttr *attr = (XMLAttr *) cur->data;
 501
 502                 if (!attr || !attr->name || !attr->value) continue;
 503                 if (!strcmp(attr->name, "type")) {
 504                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 505                                 item->stype = F_NORMAL;
 506                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 507                                 item->stype = F_INBOX;
 508                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 509                                 item->stype = F_OUTBOX;
 510                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 511                                 item->stype = F_DRAFT;
 512                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 513                                 item->stype = F_QUEUE;
 514                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 515                                 item->stype = F_TRASH;
 516                 } else if (!strcmp(attr->name, "name")) {
 517                         g_free(item->name);
 518                         item->name = g_strdup(attr->value);
 519                 } else if (!strcmp(attr->name, "path")) {
 520                         g_free(item->path);
 521                         item->path = g_strdup(attr->value);
 522                 } else if (!strcmp(attr->name, "mtime"))
 523                         item->mtime = strtoul(attr->value, NULL, 10);
 524                 else if (!strcmp(attr->name, "new"))
 525                         item->new_msgs = atoi(attr->value);
 526                 else if (!strcmp(attr->name, "unread"))
 527                         item->unread_msgs = atoi(attr->value);
 528                 else if (!strcmp(attr->name, "unreadmarked"))
 529                         item->unreadmarked_msgs = atoi(attr->value);
 530                 else if (!strcmp(attr->name, "marked"))
 531                         item->marked_msgs = atoi(attr->value);
 532                 else if (!strcmp(attr->name, "order"))
 533                         item->order = atoi(attr->value);
 534                 else if (!strcmp(attr->name, "total"))
 535                         item->total_msgs = atoi(attr->value);
 536                 else if (!strcmp(attr->name, "no_sub"))
 537                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 538                 else if (!strcmp(attr->name, "no_select"))
 539                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 540                 else if (!strcmp(attr->name, "collapsed"))
 541                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 542                 else if (!strcmp(attr->name, "thread_collapsed"))
 543                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 544                 else if (!strcmp(attr->name, "threaded"))
 545                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 546                 else if (!strcmp(attr->name, "hidereadmsgs"))
 547                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 548                 else if (!strcmp(attr->name, "reqretrcpt"))
 549                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 550                 else if (!strcmp(attr->name, "sort_key")) {
 551                         if (!strcmp(attr->value, "none"))
 552                                 item->sort_key = SORT_BY_NONE;
 553                         else if (!strcmp(attr->value, "number"))
 554                                 item->sort_key = SORT_BY_NUMBER;
 555                         else if (!strcmp(attr->value, "size"))
 556                                 item->sort_key = SORT_BY_SIZE;
 557                         else if (!strcmp(attr->value, "date"))
 558                                 item->sort_key = SORT_BY_DATE;
 559                         else if (!strcmp(attr->value, "from"))
 560                                 item->sort_key = SORT_BY_FROM;
 561                         else if (!strcmp(attr->value, "subject"))
 562                                 item->sort_key = SORT_BY_SUBJECT;
 563                         else if (!strcmp(attr->value, "score"))
 564                                 item->sort_key = SORT_BY_SCORE;
 565                         else if (!strcmp(attr->value, "label"))
 566                                 item->sort_key = SORT_BY_LABEL;
 567                         else if (!strcmp(attr->value, "mark"))
 568                                 item->sort_key = SORT_BY_MARK;
 569                         else if (!strcmp(attr->value, "unread"))
 570                                 item->sort_key = SORT_BY_STATUS;
 571                         else if (!strcmp(attr->value, "mime"))
 572                                 item->sort_key = SORT_BY_MIME;
 573                         else if (!strcmp(attr->value, "to"))
 574                                 item->sort_key = SORT_BY_TO;
 575                         else if (!strcmp(attr->value, "locked"))
 576                                 item->sort_key = SORT_BY_LOCKED;
 577                 } else if (!strcmp(attr->name, "sort_type")) {
 578                         if (!strcmp(attr->value, "ascending"))
 579                                 item->sort_type = SORT_ASCENDING;
 580                         else
 581                                 item->sort_type = SORT_DESCENDING;
 582                 } else if (!strcmp(attr->name, "account_id")) {
 583                         PrefsAccount *account;
 584
 585                         account = account_find_from_id(atoi(attr->value));
 586                         if (!account)
 587                                 g_warning("account_id: %s not found\n", attr->value);
 588                         else
 589                                 item->account = account;
 590                 } else if (!strcmp(attr->name, "apply_sub"))
 591                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 592         }
 593 }
 594
 595 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 596 {
 597         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 598                                                  "draft", "queue", "trash"};
 599         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 600                                         "from", "subject", "score", "label",
 601                                         "mark", "unread", "mime", "to",
 602                                         "locked"};
 603         XMLTag *tag;
 604         gchar *value;
 605
 606         tag = xml_tag_new("folderitem");
 607
 608         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 609         if (item->name)
 610                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 611         if (item->path)
 612                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 613         if (item->no_sub)
 614                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 615         if (item->no_select)
 616                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 617         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 618         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 619         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 620         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 621         if (item->ret_rcpt)
 622                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 623
 624         if (item->sort_key != SORT_BY_NONE) {
 625                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 626                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 627         }
 628
 629         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 630         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 631         g_free(value);
 632         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 633         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 634         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 635         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 636         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 637         xml_tag_add_attr(tag, xml_attr_new_int("order", item->order));
 638
 639         if (item->account)
 640                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 641         if (item->apply_sub)
 642                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 643
 644         return tag;
 645 }
 646
 647 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 648 {
 649         g_return_if_fail(folder != NULL);
 650
 651         folder->ui_func = func;
 652         folder->ui_func_data = data;
 653 }
 654
 655 void folder_set_name(Folder *folder, const gchar *name)
 656 {
 657         g_return_if_fail(folder != NULL);
 658
 659         g_free(folder->name);
 660         folder->name = name ? g_strdup(name) : NULL;
 661         if (folder->node && folder->node->data) {
 662                 FolderItem *item = (FolderItem *)folder->node->data;
 663
 664                 g_free(item->name);
 665                 item->name = name ? g_strdup(name) : NULL;
 666         }
 667 }
 668
 669 void folder_set_sort(Folder *folder, guint sort)
 670 {
 671         g_return_if_fail(folder != NULL);
 672
 673         if (folder->sort != sort) {
 674                 folder_remove(folder);
 675                 folder->sort = sort;
 676                 folder_add(folder);
 677         }
 678 }
 679
 680 static gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 681         FolderItem *item = (FolderItem *) node->data;
 682
 683         folder_item_destroy(item);
 684         return FALSE;
 685 }
 686
 687 void folder_tree_destroy(Folder *folder)
 688 {
 689         GNode *node;
 690
 691         g_return_if_fail(folder != NULL);
 692
 693         node = folder->node;
 694
 695         prefs_filtering_clear_folder(folder);
 696
 697         if (node != NULL) {
 698                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 699                                 folder_tree_destroy_func, NULL);
 700                 g_node_destroy(node);
 701                 folder->node = NULL;
 702         }
 703 }
 704
 705 void folder_add(Folder *folder)
 706 {
 707         Folder *cur_folder;
 708         GList *cur;
 709         gint i;
 710         FolderUpdateData hookdata;
 711
 712         g_return_if_fail(folder != NULL);
 713
 714         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 715                 cur_folder = FOLDER(cur->data);
 716                 if (cur_folder->sort < folder->sort)
 717                         break;
 718         }
 719
 720         folder_list = g_list_insert(folder_list, folder, i);
 721
 722         hookdata.folder = folder;
 723         hookdata.update_flags = FOLDER_ADD_FOLDER;
 724         hookdata.item = NULL;
 725         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 726 }
 727
 728 void folder_remove(Folder *folder)
 729 {
 730         FolderUpdateData hookdata;
 731
 732         g_return_if_fail(folder != NULL);
 733
 734         folder_list = g_list_remove(folder_list, folder);
 735
 736         hookdata.folder = folder;
 737         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 738         hookdata.item = NULL;
 739         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 740 }
 741
 742 GList *folder_get_list(void)
 743 {
 744         return folder_list;
 745 }
 746
 747 gint folder_read_list(void)
 748 {
 749         GNode *node, *cur;
 750         XMLNode *xmlnode;
 751         gchar *path;
 752
 753         path = folder_get_list_path();
 754         if (!is_file_exist(path)) return -1;
 755         node = xml_parse_file(path);
 756         if (!node) return -1;
 757
 758         xmlnode = node->data;
 759         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 760                 g_warning("wrong folder list\n");
 761                 xml_free_tree(node);
 762                 return -1;
 763         }
 764
 765         cur = node->children;
 766         while (cur != NULL) {
 767                 Folder *folder;
 768
 769                 folder = folder_get_from_xml(cur);
 770                 if (folder != NULL)
 771                         folder_add(folder);
 772                 else
 773                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 774                                 (gpointer) xml_copy_tree(cur));
 775                 cur = cur->next;
 776         }
 777
 778         xml_free_tree(node);
 779         if (folder_list || folder_unloaded_list)
 780                 return 0;
 781         else
 782                 return -1;
 783 }
 784
 785 void folder_write_list(void)
 786 {
 787         GList *list;
 788         GSList *slist;
 789         Folder *folder;
 790         gchar *path;
 791         PrefFile *pfile;
 792         GNode *rootnode;
 793         XMLNode *xmlnode;
 794         XMLTag *tag;
 795
 796         path = folder_get_list_path();
 797         if ((pfile = prefs_write_open(path)) == NULL) return;
 798
 799         if (xml_file_put_xml_decl(pfile->fp) < 0) {
 800                 prefs_file_close_revert(pfile);
 801                 g_warning("failed to start write folder list.\n");
 802                 return;
 803         }
 804         tag = xml_tag_new("folderlist");
 805
 806         xmlnode = xml_node_new(tag, NULL);
 807
 808         rootnode = g_node_new(xmlnode);
 809
 810         for (list = folder_list; list != NULL; list = list->next) {
 811                 GNode *node;
 812
 813                 folder = list->data;
 814                 node = folder_get_xml_node(folder);
 815                 if (node != NULL)
 816                         g_node_append(rootnode, node);
 817         }
 818
 819         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 820                 GNode *node = (GNode *) slist->data;
 821
 822                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 823         }
 824
 825         if (xml_write_tree(rootnode, pfile->fp) < 0) {
 826                 prefs_file_close_revert(pfile);
 827                 g_warning("failed to write folder list.\n");
 828         } else if (prefs_file_close(pfile) < 0) {
 829                 g_warning("failed to write folder list.\n");
 830         }
 831         xml_free_tree(rootnode);
 832 }
 833
 834 static gboolean folder_scan_tree_func(GNode *node, gpointer data)
 835 {
 836         GHashTable *pptable = (GHashTable *)data;
 837         FolderItem *item = (FolderItem *)node->data;
 838
 839         folder_item_restore_persist_prefs(item, pptable);
 840         folder_item_scan_full(item, FALSE);
 841
 842         return FALSE;
 843 }
 844
 845 void folder_scan_tree(Folder *folder, gboolean rebuild)
 846 {
 847         GHashTable *pptable;
 848         FolderUpdateData hookdata;
 849         Folder *old_folder = folder;
 850
 851         if (!folder->klass->scan_tree)
 852                 return;
 853
 854         pptable = folder_persist_prefs_new(folder);
 855
 856         if (rebuild)
 857                 folder_remove(folder);
 858
 859         if (folder->klass->scan_tree(folder) < 0) {
 860                 if (rebuild)
 861                         folder_add(old_folder);
 862                 return;
 863         } else if (rebuild)
 864                 folder_add(folder);
 865
 866         hookdata.folder = folder;
 867         hookdata.update_flags = FOLDER_TREE_CHANGED;
 868         hookdata.item = NULL;
 869         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 870
 871         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 872         folder_persist_prefs_free(pptable);
 873
 874         prefs_matcher_read_config();
 875
 876         folder_write_list();
 877 }
 878
 879 static gboolean folder_restore_prefs_func(GNode *node, gpointer data)
 880 {
 881         GHashTable *pptable = (GHashTable *)data;
 882         FolderItem *item = (FolderItem *)node->data;
 883
 884         folder_item_restore_persist_prefs(item, pptable);
 885
 886         return FALSE;
 887 }
 888
 889 void folder_fast_scan_tree(Folder *folder)
 890 {
 891         GHashTable *pptable;
 892         FolderUpdateData hookdata;
 893
 894         if (!folder->klass->scan_tree)
 895                 return;
 896
 897         pptable = folder_persist_prefs_new(folder);
 898
 899         if (folder->klass->scan_tree(folder) < 0) {
 900                 return;
 901         }
 902
 903         hookdata.folder = folder;
 904         hookdata.update_flags = FOLDER_TREE_CHANGED;
 905         hookdata.item = NULL;
 906         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 907
 908         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_restore_prefs_func, pptable);
 909         folder_persist_prefs_free(pptable);
 910
 911         prefs_matcher_read_config();
 912
 913         folder_write_list();
 914 }
 915
 916 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 917 {
 918         FolderItem *new_item;
 919
 920         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 921         if (new_item) {
 922                 FolderUpdateData hookdata;
 923
 924                 new_item->cache = msgcache_new();
 925
 926                 hookdata.folder = new_item->folder;
 927                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 928                 hookdata.item = new_item;
 929                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 930         }
 931
 932         return new_item;
 933 }
 934
 935 gint folder_item_rename(FolderItem *item, gchar *newname)
 936 {
 937         gint retval;
 938
 939         g_return_val_if_fail(item != NULL, -1);
 940         g_return_val_if_fail(newname != NULL, -1);
 941
 942         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 943
 944         if (retval >= 0) {
 945                 FolderItemUpdateData hookdata;
 946                 FolderUpdateData hookdata2;
 947
 948                 hookdata.item = item;
 949                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 950                 hookdata.msg = NULL;
 951                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 952
 953                 hookdata2.folder = item->folder;
 954                 hookdata2.item = item;
 955                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
 956                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
 957         }
 958
 959         return retval;
 960 }
 961
 962 struct TotalMsgCount
 963 {
 964         guint new_msgs;
 965         guint unread_msgs;
 966         guint unreadmarked_msgs;
 967         guint marked_msgs;
 968         guint total_msgs;
 969 };
 970
 971 struct FuncToAllFoldersData
 972 {
 973         FolderItemFunc  function;
 974         gpointer        data;
 975 };
 976
 977 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 978 {
 979         FolderItem *item;
 980         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 981
 982         g_return_val_if_fail(node->data != NULL, FALSE);
 983
 984         item = FOLDER_ITEM(node->data);
 985         g_return_val_if_fail(item != NULL, FALSE);
 986
 987         function_data->function(item, function_data->data);
 988
 989         return FALSE;
 990 }
 991
 992 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 993 {
 994         GList *list;
 995         Folder *folder;
 996         struct FuncToAllFoldersData function_data;
 997
 998         function_data.function = function;
 999         function_data.data = data;
1000
1001         for (list = folder_list; list != NULL; list = list->next) {
1002                 folder = FOLDER(list->data);
1003                 if (folder->node)
1004                         g_node_traverse(folder->node, G_PRE_ORDER,
1005                                         G_TRAVERSE_ALL, -1,
1006                                         folder_func_to_all_folders_func,
1007                                         &function_data);
1008         }
1009 }
1010
1011 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
1012 {
1013         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
1014
1015         count->new_msgs += item->new_msgs;
1016         count->unread_msgs += item->unread_msgs;
1017         count->unreadmarked_msgs += item->unreadmarked_msgs;
1018         count->marked_msgs += item->marked_msgs;
1019         count->total_msgs += item->total_msgs;
1020 }
1021
1022 struct TotalMsgStatus
1023 {
1024         guint new;
1025         guint unread;
1026         guint total;
1027         GString *str;
1028 };
1029
1030 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
1031 {
1032         FolderItem *item;
1033         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
1034         gchar *id;
1035
1036         g_return_val_if_fail(node->data != NULL, FALSE);
1037
1038         item = FOLDER_ITEM(node->data);
1039
1040         if (!item->path) return FALSE;
1041
1042         status->new += item->new_msgs;
1043         status->unread += item->unread_msgs;
1044         status->total += item->total_msgs;
1045
1046         if (status->str) {
1047                 id = folder_item_get_identifier(item);
1048                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
1049                                   item->new_msgs, item->unread_msgs,
1050                                   item->total_msgs, id);
1051                 g_free(id);
1052         }
1053
1054         return FALSE;
1055  }
1056
1057 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
1058                                        guint *total)
1059 {
1060         GList *list;
1061         Folder *folder;
1062         struct TotalMsgStatus status;
1063
1064         status.new = status.unread = status.total = 0;
1065         status.str = str;
1066
1067         debug_print("Counting total number of messages...\n");
1068
1069         for (list = folder_list; list != NULL; list = list->next) {
1070                 folder = FOLDER(list->data);
1071                 if (folder->node)
1072                         g_node_traverse(folder->node, G_PRE_ORDER,
1073                                         G_TRAVERSE_ALL, -1,
1074                                         folder_get_status_full_all_func,
1075                                         &status);
1076         }
1077
1078         *new = status.new;
1079         *unread = status.unread;
1080         *total = status.total;
1081 }
1082
1083 gchar *folder_get_status(GPtrArray *folders, gboolean full)
1084 {
1085         guint new, unread, total;
1086         GString *str;
1087         gint i;
1088         gchar *ret;
1089
1090         new = unread = total = 0;
1091
1092         str = g_string_new(NULL);
1093
1094         if (folders) {
1095                 for (i = 0; i < folders->len; i++) {
1096                         FolderItem *item;
1097
1098                         item = g_ptr_array_index(folders, i);
1099                         new += item->new_msgs;
1100                         unread += item->unread_msgs;
1101                         total += item->total_msgs;
1102
1103                         if (full) {
1104                                 gchar *id;
1105
1106                                 id = folder_item_get_identifier(item);
1107                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1108                                                   item->new_msgs, item->unread_msgs,
1109                                                   item->total_msgs, id);
1110                                 g_free(id);
1111                         }
1112                 }
1113         } else {
1114                 folder_get_status_full_all(full ? str : NULL,
1115                                            &new, &unread, &total);
1116         }
1117
1118         if (full)
1119                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1120         else
1121                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1122
1123         ret = str->str;
1124         g_string_free(str, FALSE);
1125
1126         return ret;
1127 }
1128
1129 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1130                              guint *unreadmarked_msgs, guint *marked_msgs,
1131                              guint *total_msgs)
1132 {
1133         struct TotalMsgCount count;
1134
1135         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
1136
1137         debug_print("Counting total number of messages...\n");
1138
1139         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1140
1141         *new_msgs = count.new_msgs;
1142         *unread_msgs = count.unread_msgs;
1143         *unreadmarked_msgs = count.unreadmarked_msgs;
1144         *marked_msgs = count.marked_msgs;
1145         *total_msgs = count.total_msgs;
1146 }
1147
1148 Folder *folder_find_from_path(const gchar *path)
1149 {
1150         GList *list;
1151         Folder *folder;
1152
1153         for (list = folder_list; list != NULL; list = list->next) {
1154                 folder = list->data;
1155                 if ((FOLDER_TYPE(folder) == F_MH ||
1156                      FOLDER_TYPE(folder) == F_MBOX) &&
1157                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1158                         return folder;
1159         }
1160
1161         return NULL;
1162 }
1163
1164 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1165 {
1166         GList *list;
1167         Folder *folder;
1168
1169         for (list = folder_list; list != NULL; list = list->next) {
1170                 folder = list->data;
1171                 if (folder->klass == klass &&
1172                     strcmp2(name, folder->name) == 0)
1173                         return folder;
1174         }
1175
1176         return NULL;
1177 }
1178
1179 static gboolean folder_item_find_func(GNode *node, gpointer data)
1180 {
1181         FolderItem *item = node->data;
1182         gpointer *d = data;
1183         const gchar *path = d[0];
1184
1185         if (path_cmp(path, item->path) != 0)
1186                 return FALSE;
1187
1188         d[1] = item;
1189
1190         return TRUE;
1191 }
1192
1193 FolderItem *folder_find_item_from_path(const gchar *path)
1194 {
1195         Folder *folder;
1196         gpointer d[2];
1197         GList *list = folder_get_list();
1198
1199         folder = list ? list->data:NULL;
1200
1201         g_return_val_if_fail(folder != NULL, NULL);
1202
1203         d[0] = (gpointer)path;
1204         d[1] = NULL;
1205         while (d[1] == NULL && list) {
1206                 folder = FOLDER(list->data);
1207                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1208                         folder_item_find_func, d);
1209                 list = list->next;
1210         }
1211         return d[1];
1212 }
1213
1214 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1215 {
1216         GNode *node;
1217         FolderItem *child;
1218
1219         for (node = item->node->children; node != NULL; node = node->next) {
1220                 gchar *base;
1221                 child = FOLDER_ITEM(node->data);
1222                 base = g_path_get_basename(child->path);
1223                 if (strcmp2(base, name) == 0) {
1224                         g_free(base);
1225                         return child;
1226                 }
1227                 g_free(base);
1228         }
1229
1230         return NULL;
1231 }
1232
1233 FolderClass *folder_get_class_from_string(const gchar *str)
1234 {
1235         GSList *classlist;
1236
1237         classlist = folder_get_class_list();
1238         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1239                 FolderClass *class = (FolderClass *) classlist->data;
1240                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1241                         return class;
1242         }
1243
1244         return NULL;
1245 }
1246
1247 static gchar *folder_get_identifier(Folder *folder)
1248 {
1249         gchar *type_str;
1250
1251         g_return_val_if_fail(folder != NULL, NULL);
1252
1253         type_str = folder->klass->idstr;
1254         return g_strconcat("#", type_str, "/", folder->name, NULL);
1255 }
1256
1257 gchar *folder_item_get_identifier(FolderItem *item)
1258 {
1259         gchar *id = NULL;
1260         gchar *folder_id = NULL;
1261
1262         g_return_val_if_fail(item != NULL, NULL);
1263
1264         if (item->path == NULL)
1265                 return NULL;
1266
1267         folder_id = folder_get_identifier(item->folder);
1268         id = g_strconcat(folder_id, "/", item->path, NULL);
1269         g_free(folder_id);
1270
1271         return id;
1272 }
1273
1274 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1275 {
1276         Folder *folder;
1277         gpointer d[2];
1278         gchar *str;
1279         gchar *p;
1280         gchar *name;
1281         gchar *path;
1282         FolderClass *class;
1283
1284         g_return_val_if_fail(identifier != NULL, NULL);
1285
1286         if (*identifier != '#')
1287                 return folder_find_item_from_path(identifier);
1288
1289         Xstrdup_a(str, identifier, return NULL);
1290
1291         p = strchr(str, '/');
1292         if (!p)
1293                 return folder_find_item_from_path(identifier);
1294         *p = '\0';
1295         p++;
1296         class = folder_get_class_from_string(&str[1]);
1297         if (class == NULL)
1298                 return folder_find_item_from_path(identifier);
1299
1300         name = p;
1301         p = strchr(p, '/');
1302         if (!p)
1303                 return folder_find_item_from_path(identifier);
1304         *p = '\0';
1305         p++;
1306
1307         folder = folder_find_from_name(name, class);
1308         if (!folder)
1309                 return folder_find_item_from_path(identifier);
1310
1311         path = p;
1312
1313         d[0] = (gpointer)path;
1314         d[1] = NULL;
1315         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1316                         folder_item_find_func, d);
1317         return d[1];
1318 }
1319
1320 /**
1321  * Get a displayable name for a FolderItem
1322  *
1323  * \param item FolderItem for that a name should be created
1324  * \return Displayable name for item, returned string has to
1325  *         be freed
1326  */
1327 gchar *folder_item_get_name(FolderItem *item)
1328 {
1329         gchar *name = NULL;
1330
1331         g_return_val_if_fail(item != NULL, g_strdup(""));
1332
1333         switch (item->stype) {
1334         case F_INBOX:
1335                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1336                                 item->name);
1337                 break;
1338         case F_OUTBOX:
1339                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1340                                 item->name);
1341                 break;
1342         case F_QUEUE:
1343                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1344                                 item->name);
1345                 break;
1346         case F_TRASH:
1347                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1348                                 item->name);
1349                 break;
1350         case F_DRAFT:
1351                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1352                                 item->name);
1353                 break;
1354         default:
1355                 break;
1356         }
1357
1358         if (name == NULL) {
1359                 /*
1360                  * should probably be done by a virtual function,
1361                  * the folder knows the ui string and how to abbrev
1362                 */
1363                 if (folder_item_parent(item) == NULL) {
1364                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1365                 } else {
1366                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1367                             item->path && !strcmp2(item->name, item->path))
1368                                 name = get_abbrev_newsgroup_name
1369                                         (item->path,
1370                                          prefs_common.ng_abbrev_len);
1371                         else
1372                                 name = g_strdup(item->name);
1373                 }
1374         }
1375
1376         if (name == NULL)
1377                 name = g_strdup("");
1378
1379         return name;
1380 }
1381
1382 gboolean folder_have_mailbox (void)
1383 {
1384         GList *cur;
1385         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1386                 Folder *folder = FOLDER(cur->data);
1387                 if (folder->inbox && folder->outbox)
1388                         return TRUE;
1389         }
1390         return FALSE;
1391 }
1392
1393 FolderItem *folder_get_default_inbox(void)
1394 {
1395         GList *flist;
1396
1397         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1398                 Folder * folder = FOLDER(flist->data);
1399
1400                 if (folder == NULL)
1401                         continue;
1402                 if (folder->inbox == NULL)
1403                         continue;
1404                 if (folder->klass->type == F_UNKNOWN)
1405                         continue;
1406
1407                 return folder->inbox;
1408         }
1409
1410         return NULL;
1411 }
1412
1413 FolderItem *folder_get_default_inbox_for_class(FolderType type)
1414 {
1415         GList *flist;
1416
1417         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1418                 Folder * folder = FOLDER(flist->data);
1419
1420                 if (folder == NULL)
1421                         continue;
1422                 if (folder->inbox == NULL)
1423                         continue;
1424                 if (folder->klass->type != type)
1425                         continue;
1426
1427                 return folder->inbox;
1428         }
1429
1430         return NULL;
1431 }
1432
1433 FolderItem *folder_get_default_outbox(void)
1434 {
1435         GList *flist;
1436
1437         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1438                 Folder * folder = FOLDER(flist->data);
1439
1440                 if (folder == NULL)
1441                         continue;
1442                 if (folder->outbox == NULL)
1443                         continue;
1444                 if (folder->klass->type == F_UNKNOWN)
1445                         continue;
1446
1447                 return folder->outbox;
1448         }
1449
1450         return NULL;
1451 }
1452
1453 FolderItem *folder_get_default_draft(void)
1454 {
1455         GList *flist;
1456
1457         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1458                 Folder * folder = FOLDER(flist->data);
1459
1460                 if (folder == NULL)
1461                         continue;
1462                 if (folder->draft == NULL)
1463                         continue;
1464                 if (folder->klass->type == F_UNKNOWN)
1465                         continue;
1466
1467                 return folder->draft;
1468         }
1469
1470         return NULL;
1471 }
1472
1473 FolderItem *folder_get_default_queue(void)
1474 {
1475         GList *flist;
1476
1477         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1478                 Folder * folder = FOLDER(flist->data);
1479
1480                 if (folder == NULL)
1481                         continue;
1482                 if (folder->queue == NULL)
1483                         continue;
1484                 if (folder->klass->type == F_UNKNOWN)
1485                         continue;
1486
1487                 return folder->queue;
1488         }
1489
1490         return NULL;
1491 }
1492
1493 FolderItem *folder_get_default_trash(void)
1494 {
1495         GList *flist;
1496
1497         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1498                 Folder * folder = FOLDER(flist->data);
1499
1500                 if (folder == NULL)
1501                         continue;
1502                 if (folder->trash == NULL)
1503                         continue;
1504                 if (folder->klass->type == F_UNKNOWN)
1505                         continue;
1506
1507                 return folder->trash;
1508         }
1509
1510         return NULL;
1511 }
1512
1513 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1514 {                                                               \
1515         if (!folder->member) {                                  \
1516                 item = folder_item_new(folder, dir, dir);       \
1517                 item->stype = type;                             \
1518                 folder_item_append(rootitem, item);             \
1519                 folder->member = item;                          \
1520         }                                                       \
1521 }
1522
1523 void folder_set_missing_folders(void)
1524 {
1525         Folder *folder;
1526         FolderItem *rootitem;
1527         FolderItem *item;
1528         GList *list;
1529
1530         for (list = folder_list; list != NULL; list = list->next) {
1531                 folder = list->data;
1532                 if (FOLDER_TYPE(folder) != F_MH) continue;
1533                 rootitem = FOLDER_ITEM(folder->node->data);
1534                 g_return_if_fail(rootitem != NULL);
1535
1536                 if (folder->inbox && folder->outbox && folder->draft &&
1537                     folder->queue && folder->trash)
1538                         continue;
1539
1540                 if (folder->klass->create_tree(folder) < 0) {
1541                         g_warning("%s: can't create the folder tree.\n",
1542                                   LOCAL_FOLDER(folder)->rootpath);
1543                         continue;
1544                 }
1545
1546                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1547                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1548                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1549                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1550                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1551         }
1552 }
1553
1554 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1555 {
1556         FolderItem *item = node->data;
1557         PrefsAccount *account = data;
1558
1559         if (item->account == account)
1560                 item->account = NULL;
1561
1562         return FALSE;
1563 }
1564
1565 void folder_unref_account_all(PrefsAccount *account)
1566 {
1567         Folder *folder;
1568         GList *list;
1569
1570         if (!account) return;
1571
1572         for (list = folder_list; list != NULL; list = list->next) {
1573                 folder = list->data;
1574                 if (folder->account == account)
1575                         folder->account = NULL;
1576                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1577                                 folder_unref_account_func, account);
1578         }
1579 }
1580
1581 #undef CREATE_FOLDER_IF_NOT_EXIST
1582
1583 gchar *folder_item_get_path(FolderItem *item)
1584 {
1585         Folder *folder;
1586
1587         g_return_val_if_fail(item != NULL, NULL);
1588         folder = item->folder;
1589         g_return_val_if_fail(folder != NULL, NULL);
1590
1591         return folder->klass->item_get_path(folder, item);
1592 }
1593
1594 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1595 {
1596         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1597               folder_has_parent_of_type(dest, F_QUEUE)  ||
1598               folder_has_parent_of_type(dest, F_DRAFT) ||
1599               folder_has_parent_of_type(dest, F_TRASH))) {
1600                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1601         } else {
1602                 flags->perm_flags = 0;
1603         }
1604         if (FOLDER_TYPE(dest->folder) == F_MH) {
1605                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1606                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1607                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1608                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1609                 }
1610         }
1611 }
1612
1613 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1614 {
1615         MsgInfo *msginfo_a = (MsgInfo *) a;
1616         MsgInfo *msginfo_b = (MsgInfo *) b;
1617
1618         return (msginfo_a->msgnum - msginfo_b->msgnum);
1619 }
1620
1621 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1622 {
1623         guint gint_a = GPOINTER_TO_INT(a);
1624         guint gint_b = GPOINTER_TO_INT(b);
1625
1626         return (gint_a - gint_b);
1627 }
1628
1629 void folder_item_process_open (FolderItem *item,
1630                                  void (*before_proc_func)(gpointer data),
1631                                  void (*after_proc_func)(gpointer data),
1632                                  gpointer data)
1633 {
1634         gchar *buf;
1635         if (item == NULL)
1636                 return;
1637         if((item->folder->klass->scan_required != NULL) &&
1638            (item->folder->klass->scan_required(item->folder, item))) {
1639                 folder_item_scan_full(item, TRUE);
1640         } else {
1641                 folder_item_syncronize_flags(item);
1642         }
1643
1644         /* Processing */
1645         buf = g_strdup_printf(_("Processing (%s)...\n"),
1646                               item->path ? item->path : item->name);
1647         g_free(buf);
1648
1649         if (before_proc_func)
1650                 before_proc_func(data);
1651
1652         folder_item_apply_processing(item);
1653
1654         if (after_proc_func)
1655                 after_proc_func(data);
1656
1657         item->processing_pending = FALSE;
1658         return;
1659 }
1660
1661 gint folder_item_open(FolderItem *item)
1662 {
1663         START_TIMING("");
1664         if (item->no_select)
1665                 return -1;
1666
1667         if (item->scanning) {
1668                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
1669                 return -2;
1670         }
1671
1672         item->processing_pending = TRUE;
1673         folder_item_process_open (item, NULL, NULL, NULL);
1674
1675         item->opened = TRUE;
1676         END_TIMING();
1677         return 0;
1678 }
1679
1680 gint folder_item_close(FolderItem *item)
1681 {
1682         GSList *mlist, *cur;
1683         Folder *folder;
1684
1685         g_return_val_if_fail(item != NULL, -1);
1686
1687         if (item->no_select)
1688                 return -1;
1689
1690         if (item->new_msgs) {
1691                 folder_item_update_freeze();
1692                 mlist = folder_item_get_msg_list(item);
1693                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1694                         MsgInfo * msginfo;
1695
1696                         msginfo = (MsgInfo *) cur->data;
1697                         if (MSG_IS_NEW(msginfo->flags))
1698                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1699                         procmsg_msginfo_free(msginfo);
1700                 }
1701                 g_slist_free(mlist);
1702                 folder_item_update_thaw();
1703         }
1704
1705         folder_item_write_cache(item);
1706
1707         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1708
1709         item->opened = FALSE;
1710         folder = item->folder;
1711
1712         if (folder->klass->close == NULL)
1713                 return 0;
1714
1715         return folder->klass->close(folder, item);
1716 }
1717
1718 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1719 {
1720         MsgInfoList *msglist = NULL;
1721         Folder *folder = item->folder;
1722         if (item->no_select)
1723                 return NULL;
1724
1725         if (folder->klass->get_msginfos != NULL)
1726                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1727         else {
1728                 MsgNumberList *elem;
1729
1730                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1731                         MsgInfo *msginfo;
1732                         guint num;
1733
1734                         num = GPOINTER_TO_INT(elem->data);
1735                         msginfo = folder->klass->get_msginfo(folder, item, num);
1736                         if (msginfo != NULL)
1737                                 msglist = g_slist_prepend(msglist, msginfo);
1738                 }
1739         }
1740
1741         return msglist;
1742 }
1743
1744 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1745 {
1746         MsgNumberList numlist;
1747         MsgInfoList *msglist;
1748         MsgInfo *msginfo = NULL;
1749
1750         numlist.data = GINT_TO_POINTER(num);
1751         numlist.next = NULL;
1752         msglist = get_msginfos(item, &numlist);
1753         if (msglist != NULL)
1754                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1755         procmsg_msg_list_free(msglist);
1756
1757         return msginfo;
1758 }
1759
1760 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1761 {
1762         GRelation *relation;
1763         gint ret = 0;
1764         GSList *cur;
1765
1766         if(msglist == NULL)
1767                 return 0;
1768         if(item->folder->klass->get_flags == NULL)
1769                 return 0;
1770         if (item->no_select)
1771                 return 0;
1772
1773         relation = g_relation_new(2);
1774         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1775         folder_item_set_batch(item, TRUE);
1776         if ((ret = item->folder->klass->get_flags(
1777             item->folder, item, msglist, relation)) == 0) {
1778                 GTuples *tuples;
1779                 MsgInfo *msginfo;
1780                 MsgPermFlags permflags = 0;
1781                 gboolean skip;
1782
1783                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1784                         msginfo = (MsgInfo *) cur->data;
1785
1786                         tuples = g_relation_select(relation, msginfo, 0);
1787                         skip = tuples->len < 1;
1788                         if (!skip)
1789                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1790                         g_tuples_destroy(tuples);
1791                         if (skip)
1792                                 continue;
1793
1794                         if (msginfo->flags.perm_flags != permflags) {
1795                                 procmsg_msginfo_change_flags(msginfo,
1796                                         permflags & ~msginfo->flags.perm_flags, 0,
1797                                         ~permflags & msginfo->flags.perm_flags, 0);
1798                         }
1799                 }
1800         }
1801         folder_item_set_batch(item, FALSE);
1802         g_relation_destroy(relation);
1803
1804         return ret;
1805 }
1806
1807 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1808 {
1809         Folder *folder;
1810         GSList *folder_list = NULL, *cache_list = NULL;
1811         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1812         GSList *exists_list = NULL, *elem;
1813         GSList *newmsg_list = NULL;
1814         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1815         guint markedcnt = 0, unreadmarkedcnt = 0;
1816         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1817         gboolean update_flags = 0, old_uids_valid = FALSE;
1818         GHashTable *subject_table = NULL;
1819
1820         g_return_val_if_fail(item != NULL, -1);
1821         if (item->path == NULL) return -1;
1822
1823         folder = item->folder;
1824
1825         g_return_val_if_fail(folder != NULL, -1);
1826         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1827
1828         item->scanning = TRUE;
1829
1830         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1831
1832         /* Get list of messages for folder and cache */
1833         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1834                 debug_print("Error fetching list of message numbers\n");
1835                 item->scanning = FALSE;
1836                 return(-1);
1837         }
1838
1839         if(prefs_common.thread_by_subject) {
1840                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1841         }
1842
1843         if (old_uids_valid) {
1844                 if (!item->cache)
1845                         folder_item_read_cache(item);
1846                 cache_list = msgcache_get_msg_list(item->cache);
1847         } else {
1848                 if (item->cache)
1849                         msgcache_destroy(item->cache);
1850                 item->cache = msgcache_new();
1851                 cache_list = NULL;
1852         }
1853
1854         /* Sort both lists */
1855         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1856         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1857
1858         cache_list_cur = cache_list;
1859         folder_list_cur = folder_list;
1860
1861         if (cache_list_cur != NULL) {
1862                 GSList *cache_list_last;
1863
1864                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1865                 cache_list_last = g_slist_last(cache_list);
1866                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1867         } else {
1868                 cache_cur_num = G_MAXINT;
1869                 cache_max_num = 0;
1870         }
1871
1872         if (folder_list_cur != NULL) {
1873                 GSList *folder_list_last;
1874
1875                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1876                 folder_list_last = g_slist_last(folder_list);
1877                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1878         } else {
1879                 folder_cur_num = G_MAXINT;
1880                 folder_max_num = 0;
1881         }
1882
1883         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1884                 /*
1885                  *  Message only exists in the folder
1886                  *  Remember message for fetching
1887                  */
1888                 if (folder_cur_num < cache_cur_num) {
1889                         gboolean add = FALSE;
1890
1891                         switch(FOLDER_TYPE(folder)) {
1892                                 case F_NEWS:
1893                                         if (folder_cur_num < cache_max_num)
1894                                                 break;
1895
1896                                         if (folder->account->max_articles == 0) {
1897                                                 add = TRUE;
1898                                         }
1899
1900                                         if (folder_max_num <= folder->account->max_articles) {
1901                                                 add = TRUE;
1902                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1903                                                 add = TRUE;
1904                                         }
1905                                         break;
1906                                 default:
1907                                         add = TRUE;
1908                                         break;
1909                         }
1910
1911                         if (add) {
1912                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1913                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1914                         }
1915
1916                         /* Move to next folder number */
1917                         folder_list_cur = folder_list_cur->next;
1918
1919                         if (folder_list_cur != NULL)
1920                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1921                         else
1922                                 folder_cur_num = G_MAXINT;
1923
1924                         continue;
1925                 }
1926
1927                 /*
1928                  *  Message only exists in the cache
1929                  *  Remove the message from the cache
1930                  */
1931                 if (cache_cur_num < folder_cur_num) {
1932                         msgcache_remove_msg(item->cache, cache_cur_num);
1933                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1934
1935                         /* Move to next cache number */
1936                         cache_list_cur = cache_list_cur->next;
1937
1938                         if (cache_list_cur != NULL)
1939                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1940                         else
1941                                 cache_cur_num = G_MAXINT;
1942
1943                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1944
1945                         continue;
1946                 }
1947
1948                 /*
1949                  *  Message number exists in folder and cache!
1950                  *  Check if the message has been modified
1951                  */
1952                 if (cache_cur_num == folder_cur_num) {
1953                         MsgInfo *msginfo;
1954
1955                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1956                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1957                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1958                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1959                                 procmsg_msginfo_free(msginfo);
1960
1961                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1962                         } else {
1963                                 exists_list = g_slist_prepend(exists_list, msginfo);
1964
1965                                 if(prefs_common.thread_by_subject &&
1966                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1967                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1968                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1969                                 }
1970                         }
1971
1972                         /* Move to next folder and cache number */
1973                         cache_list_cur = cache_list_cur->next;
1974                         folder_list_cur = folder_list_cur->next;
1975
1976                         if (cache_list_cur != NULL)
1977                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1978                         else
1979                                 cache_cur_num = G_MAXINT;
1980
1981                         if (folder_list_cur != NULL)
1982                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1983                         else
1984                                 folder_cur_num = G_MAXINT;
1985
1986                         continue;
1987                 }
1988         }
1989
1990         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1991                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1992
1993         g_slist_free(cache_list);
1994         g_slist_free(folder_list);
1995
1996         if (new_list != NULL) {
1997                 GSList *tmp_list = NULL;
1998                 newmsg_list = get_msginfos(item, new_list);
1999                 g_slist_free(new_list);
2000                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
2001                 syncronize_flags(item, tmp_list);
2002                 g_slist_free(tmp_list);
2003         } else {
2004                 syncronize_flags(item, exists_list);
2005         }
2006
2007         folder_item_update_freeze();
2008         if (newmsg_list != NULL) {
2009                 GSList *elem, *to_filter = NULL;
2010                 gboolean do_filter = (filtering == TRUE) &&
2011                                         (item->stype == F_INBOX) &&
2012                                         (item->folder->account != NULL) &&
2013                                         (item->folder->account->filter_on_recv);
2014
2015                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
2016                         MsgInfo *msginfo = (MsgInfo *) elem->data;
2017
2018                         msgcache_add_msg(item->cache, msginfo);
2019                         if (!do_filter) {
2020                                 exists_list = g_slist_prepend(exists_list, msginfo);
2021
2022                                 if(prefs_common.thread_by_subject &&
2023                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2024                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2025                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2026                                 }
2027                         }
2028                 }
2029
2030                 if (do_filter) {
2031                         GSList *unfiltered;
2032                         procmsg_msglist_filter(newmsg_list, item->folder->account,
2033                                         &to_filter, &unfiltered,
2034                                         TRUE);
2035
2036                         filtering_move_and_copy_msgs(newmsg_list);
2037                         if (to_filter != NULL) {
2038                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
2039                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2040                                         procmsg_msginfo_free(msginfo);
2041                                 }
2042                                 g_slist_free(to_filter);
2043                         }
2044                         if (unfiltered != NULL) {
2045                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
2046                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2047                                         exists_list = g_slist_prepend(exists_list, msginfo);
2048
2049                                         if(prefs_common.thread_by_subject &&
2050                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2051                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
2052                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
2053                                         }
2054                                 }
2055                                 g_slist_free(unfiltered);
2056                         }
2057                 }
2058
2059                 g_slist_free(newmsg_list);
2060
2061                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2062         }
2063
2064         folder_item_set_batch(item, TRUE);
2065         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
2066                 MsgInfo *msginfo, *parent_msginfo;
2067
2068                 msginfo = elem->data;
2069                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2070                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2071                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2072                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2073                 }
2074                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2075                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2076                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2077                 {
2078                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2079                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2080                                                 MSG_NEW | MSG_UNREAD, 0);
2081                         }
2082                 }
2083                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2084                      folder_has_parent_of_type(item, F_QUEUE)  ||
2085                      folder_has_parent_of_type(item, F_DRAFT)  ||
2086                      folder_has_parent_of_type(item, F_TRASH)) &&
2087                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2088                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2089                 if (MSG_IS_NEW(msginfo->flags))
2090                         newcnt++;
2091                 if (MSG_IS_UNREAD(msginfo->flags))
2092                         unreadcnt++;
2093                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2094                         unreadmarkedcnt++;
2095                 if (MSG_IS_MARKED(msginfo->flags))
2096                         markedcnt++;
2097
2098                 totalcnt++;
2099
2100                 procmsg_msginfo_free(msginfo);
2101         }
2102         folder_item_set_batch(item, FALSE);
2103         g_slist_free(exists_list);
2104
2105         if(prefs_common.thread_by_subject) {
2106                 g_hash_table_destroy(subject_table);
2107         }
2108
2109         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2110         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2111         ||  item->unreadmarked_msgs != unreadmarkedcnt) {
2112                 update_flags |= F_ITEM_UPDATE_CONTENT;
2113         }
2114
2115         item->new_msgs = newcnt;
2116         item->unread_msgs = unreadcnt;
2117         item->total_msgs = totalcnt;
2118         item->unreadmarked_msgs = unreadmarkedcnt;
2119         item->marked_msgs = markedcnt;
2120
2121         update_flags |= F_ITEM_UPDATE_MSGCNT;
2122
2123         folder_item_update(item, update_flags);
2124         folder_item_update_thaw();
2125
2126         item->scanning = FALSE;
2127
2128         return 0;
2129 }
2130
2131 gint folder_item_scan(FolderItem *item)
2132 {
2133         return folder_item_scan_full(item, TRUE);
2134 }
2135
2136 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
2137                                           gpointer data)
2138 {
2139         folder_item_scan(FOLDER_ITEM(key));
2140 }
2141
2142 void folder_item_scan_foreach(GHashTable *table)
2143 {
2144         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
2145 }
2146
2147 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2148 {
2149         gint *memusage = (gint *)data;
2150
2151         if (item->cache == NULL)
2152                 return;
2153
2154         *memusage += msgcache_get_memory_usage(item->cache);
2155 }
2156
2157 gint folder_item_syncronize_flags(FolderItem *item)
2158 {
2159         MsgInfoList *msglist = NULL;
2160         GSList *cur;
2161         gint ret = 0;
2162
2163         g_return_val_if_fail(item != NULL, -1);
2164         g_return_val_if_fail(item->folder != NULL, -1);
2165         g_return_val_if_fail(item->folder->klass != NULL, -1);
2166         if (item->no_select)
2167                 return -1;
2168
2169         item->scanning = TRUE;
2170
2171         if (item->cache == NULL)
2172                 folder_item_read_cache(item);
2173
2174         msglist = msgcache_get_msg_list(item->cache);
2175
2176         ret = syncronize_flags(item, msglist);
2177
2178         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
2179                 procmsg_msginfo_free((MsgInfo *) cur->data);
2180
2181         g_slist_free(msglist);
2182
2183         item->scanning = FALSE;
2184
2185         return ret;
2186 }
2187
2188 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2189 {
2190         FolderItem *fa = (FolderItem *)a;
2191         FolderItem *fb = (FolderItem *)b;
2192
2193         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2194 }
2195
2196 static void folder_find_expired_caches(FolderItem *item, gpointer data)
2197 {
2198         GSList **folder_item_list = (GSList **)data;
2199         gint difftime, expiretime;
2200
2201         if (item->cache == NULL)
2202                 return;
2203
2204         if (item->opened > 0)
2205                 return;
2206
2207         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2208         expiretime = prefs_common.cache_min_keep_time * 60;
2209         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2210
2211         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2212                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2213         }
2214 }
2215
2216 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2217 {
2218         g_return_val_if_fail(item != NULL, TRUE);
2219
2220         if (item->cache == NULL)
2221                 return TRUE;
2222
2223         if (item->opened > 0 && !force)
2224                 return FALSE;
2225
2226         folder_item_write_cache(item);
2227         msgcache_destroy(item->cache);
2228         item->cache = NULL;
2229         return TRUE;
2230 }
2231
2232 void folder_clean_cache_memory_force(void)
2233 {
2234         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2235         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2236
2237         prefs_common.cache_max_mem_usage = 0;
2238         prefs_common.cache_min_keep_time = 0;
2239
2240         folder_clean_cache_memory(NULL);
2241
2242         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2243         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2244 }
2245
2246 void folder_clean_cache_memory(FolderItem *protected_item)
2247 {
2248         gint memusage = 0;
2249
2250         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2251         debug_print("Total cache memory usage: %d\n", memusage);
2252
2253         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2254                 GSList *folder_item_list = NULL, *listitem;
2255
2256                 debug_print("Trying to free cache memory\n");
2257
2258                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2259                 listitem = folder_item_list;
2260                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2261                         FolderItem *item = (FolderItem *)(listitem->data);
2262                         gint cache_size = 0;
2263                         if (item == protected_item) {
2264                                 listitem = listitem->next;
2265                                 continue;
2266                         }
2267                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2268                         cache_size = msgcache_get_memory_usage(item->cache);
2269                         if (folder_item_free_cache(item, FALSE))
2270                                 memusage -= cache_size;
2271
2272                         listitem = listitem->next;
2273                 }
2274                 g_slist_free(folder_item_list);
2275         }
2276 }
2277
2278 static void folder_item_read_cache(FolderItem *item)
2279 {
2280         gchar *cache_file, *mark_file;
2281         START_TIMING("");
2282         g_return_if_fail(item != NULL);
2283
2284         if (item->path != NULL) {
2285                 cache_file = folder_item_get_cache_file(item);
2286                 mark_file = folder_item_get_mark_file(item);
2287                 item->cache = msgcache_read_cache(item, cache_file);
2288                 if (!item->cache) {
2289                         MsgInfoList *list, *cur;
2290                         guint newcnt = 0, unreadcnt = 0;
2291                         guint markedcnt = 0, unreadmarkedcnt = 0;
2292                         MsgInfo *msginfo;
2293
2294                         item->cache = msgcache_new();
2295                         folder_item_scan_full(item, TRUE);
2296
2297                         msgcache_read_mark(item->cache, mark_file);
2298
2299                         list = msgcache_get_msg_list(item->cache);
2300                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2301                                 msginfo = cur->data;
2302
2303                                 if (MSG_IS_NEW(msginfo->flags))
2304                                         newcnt++;
2305                                 if (MSG_IS_UNREAD(msginfo->flags))
2306                                         unreadcnt++;
2307                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2308                                         unreadmarkedcnt++;
2309                                 if (MSG_IS_MARKED(msginfo->flags))
2310                                         markedcnt++;
2311                         }
2312                         item->new_msgs = newcnt;
2313                         item->unread_msgs = unreadcnt;
2314                         item->unreadmarked_msgs = unreadmarkedcnt;
2315                         item->marked_msgs = markedcnt;
2316                         procmsg_msg_list_free(list);
2317                 } else
2318                         msgcache_read_mark(item->cache, mark_file);
2319
2320                 g_free(cache_file);
2321                 g_free(mark_file);
2322         } else {
2323                 item->cache = msgcache_new();
2324         }
2325         END_TIMING();
2326         folder_clean_cache_memory(item);
2327 }
2328
2329 void folder_item_write_cache(FolderItem *item)
2330 {
2331         gchar *cache_file, *mark_file;
2332         FolderItemPrefs *prefs;
2333         gint filemode = 0;
2334         gchar *id;
2335         time_t last_mtime = (time_t)0;
2336         gboolean need_scan = FALSE;
2337
2338         if (!item || !item->path || !item->cache)
2339                 return;
2340
2341         if (FOLDER_TYPE(item->folder) == F_MH) {
2342                 last_mtime = item->mtime;
2343                 need_scan = item->folder->klass->scan_required(item->folder, item);
2344         }
2345
2346         id = folder_item_get_identifier(item);
2347         debug_print("Save cache for folder %s\n", id);
2348         g_free(id);
2349
2350         cache_file = folder_item_get_cache_file(item);
2351         mark_file = folder_item_get_mark_file(item);
2352         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2353                 prefs = item->prefs;
2354                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2355                         /* for cache file */
2356                         filemode = prefs->folder_chmod;
2357                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2358                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2359                         chmod(cache_file, filemode);
2360                 }
2361         }
2362
2363         if (!need_scan && FOLDER_TYPE(item->folder) == F_MH) {
2364                 if (item->mtime == last_mtime) {
2365                         mh_set_mtime(item);
2366                 }
2367         }
2368
2369         g_free(cache_file);
2370         g_free(mark_file);
2371 }
2372
2373 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2374 {
2375         Folder *folder;
2376         MsgInfo *msginfo = NULL;
2377
2378         g_return_val_if_fail(item != NULL, NULL);
2379         if (item->no_select)
2380                 return NULL;
2381         folder = item->folder;
2382         if (!item->cache)
2383                 folder_item_read_cache(item);
2384
2385         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2386                 return msginfo;
2387
2388         msginfo = get_msginfo(item, num);
2389         if (msginfo != NULL) {
2390                 msgcache_add_msg(item->cache, msginfo);
2391                 return msginfo;
2392         }
2393
2394         return NULL;
2395 }
2396
2397 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2398 {
2399         Folder *folder;
2400         MsgInfo *msginfo;
2401
2402         g_return_val_if_fail(item != NULL, NULL);
2403         g_return_val_if_fail(msgid != NULL, NULL);
2404         if (item->no_select)
2405                 return FALSE;
2406
2407         folder = item->folder;
2408         if (!item->cache)
2409                 folder_item_read_cache(item);
2410
2411         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2412                 return msginfo;
2413
2414         return NULL;
2415 }
2416
2417 GSList *folder_item_get_msg_list(FolderItem *item)
2418 {
2419         g_return_val_if_fail(item != NULL, NULL);
2420         if (item->no_select)
2421                 return FALSE;
2422
2423         if (item->cache == 0)
2424                 folder_item_read_cache(item);
2425
2426         g_return_val_if_fail(item->cache != NULL, NULL);
2427
2428         return msgcache_get_msg_list(item->cache);
2429 }
2430
2431 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2432 {
2433         MsgInfo *msginfo = data;
2434         MimeInfo *mimeinfo = node->data;
2435
2436         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2437          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2438                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2439         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2440                  mimeinfo->type != MIMETYPE_TEXT &&
2441                  mimeinfo->type != MIMETYPE_MULTIPART) {
2442                 if (!mimeinfo->subtype
2443                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2444                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2445         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2446                 strcmp(mimeinfo->subtype, "pgp-signature") &&
2447                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2448                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2449                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2450         }
2451
2452         /* don't descend below top level message for signed and encrypted info */
2453         if (mimeinfo->type == MIMETYPE_MESSAGE)
2454                 return;
2455
2456         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2457                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2458         }
2459
2460         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2461                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2462         } else {
2463                 /* searching inside encrypted parts doesn't really make sense */
2464                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2465         }
2466 }
2467
2468 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2469 {
2470         Folder *folder;
2471         gchar *msgfile;
2472         MsgInfo *msginfo;
2473
2474         g_return_val_if_fail(item != NULL, NULL);
2475
2476         folder = item->folder;
2477
2478         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2479         if (item->no_select)
2480                 return NULL;
2481
2482         msgfile = folder->klass->fetch_msg(folder, item, num);
2483
2484         if (msgfile != NULL) {
2485                 msginfo = folder_item_get_msginfo(item, num);
2486                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2487                         MimeInfo *mimeinfo;
2488
2489                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2490                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2491                                 mimeinfo = procmime_scan_file(msgfile);
2492                         else
2493                                 mimeinfo = procmime_scan_queue_file(msgfile);
2494                         /* check for attachments */
2495                         if (mimeinfo != NULL) {
2496                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2497                                 procmime_mimeinfo_free_all(mimeinfo);
2498
2499                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2500                         }
2501                 }
2502                 procmsg_msginfo_free(msginfo);
2503         }
2504
2505         return msgfile;
2506 }
2507
2508 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2509                                   gboolean body)
2510 {
2511         Folder *folder;
2512         gchar *msgfile;
2513         MsgInfo *msginfo;
2514
2515         g_return_val_if_fail(item != NULL, NULL);
2516         if (item->no_select)
2517                 return NULL;
2518
2519         folder = item->folder;
2520
2521         if (folder->klass->fetch_msg_full == NULL)
2522                 return folder_item_fetch_msg(item, num);
2523
2524         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2525                                                 headers, body);
2526
2527         if (msgfile != NULL) {
2528                 msginfo = folder_item_get_msginfo(item, num);
2529                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2530                         MimeInfo *mimeinfo;
2531
2532                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2533                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2534                                 mimeinfo = procmime_scan_file(msgfile);
2535                         else
2536                                 mimeinfo = procmime_scan_queue_file(msgfile);
2537                         /* check for attachments */
2538                         if (mimeinfo != NULL) {
2539                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2540                                 procmime_mimeinfo_free_all(mimeinfo);
2541
2542                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2543                         }
2544                 }
2545                 procmsg_msginfo_free(msginfo);
2546         }
2547
2548         return msgfile;
2549 }
2550
2551
2552 gint folder_item_fetch_all_msg(FolderItem *item)
2553 {
2554         Folder *folder;
2555         GSList *mlist;
2556         GSList *cur;
2557         gint num = 0;
2558         gint ret = 0;
2559         gint total = 0;
2560
2561         g_return_val_if_fail(item != NULL, -1);
2562         if (item->no_select)
2563                 return -1;
2564
2565         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2566         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2567
2568         folder = item->folder;
2569
2570         if (folder->ui_func)
2571                 folder->ui_func(folder, item, folder->ui_func_data ?
2572                                 folder->ui_func_data : GINT_TO_POINTER(num));
2573
2574         mlist = folder_item_get_msg_list(item);
2575
2576         total = g_slist_length(mlist);
2577
2578         for (cur = mlist; cur != NULL; cur = cur->next) {
2579                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2580                 gchar *msg;
2581
2582                 statusbar_progress_all(num++,total, 10);
2583
2584                 if (folder->ui_func)
2585                         folder->ui_func(folder, item,
2586                                         folder->ui_func_data ?
2587                                         folder->ui_func_data :
2588                                         GINT_TO_POINTER(num));
2589
2590                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2591                 if (!msg) {
2592                         g_warning("Can't fetch message %d. Aborting.\n",
2593                                   msginfo->msgnum);
2594                         ret = -1;
2595                         break;
2596                 }
2597                 g_free(msg);
2598         }
2599
2600         statusbar_progress_all(0,0,0);
2601         statusbar_pop_all();
2602         procmsg_msg_list_free(mlist);
2603
2604         return ret;
2605 }
2606
2607 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2608 {
2609         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2610                                        {NULL,           NULL, FALSE}};
2611         FILE *fp;
2612         MsgInfo *msginfo;
2613         gint msgnum = 0;
2614         gchar buf[BUFFSIZE];
2615
2616         if ((fp = g_fopen(file, "rb")) == NULL)
2617                 return 0;
2618
2619         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2620             (folder_has_parent_of_type(dest, F_DRAFT)))
2621                 while (fgets(buf, sizeof(buf), fp) != NULL)
2622                         if (buf[0] == '\r' || buf[0] == '\n') break;
2623
2624         procheader_get_header_fields(fp, hentry);
2625         if (hentry[0].body) {
2626                 extract_parenthesis(hentry[0].body, '<', '>');
2627                 remove_space(hentry[0].body);
2628                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2629                         msgnum = msginfo->msgnum;
2630                         procmsg_msginfo_free(msginfo);
2631
2632                         debug_print("found message as uid %d\n", msgnum);
2633                 }
2634         }
2635
2636         g_free(hentry[0].body);
2637         hentry[0].body = NULL;
2638         fclose(fp);
2639
2640         return msgnum;
2641 }
2642
2643 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2644 {
2645         MsgPermFlags perm_flags = 0;
2646         MsgTmpFlags tmp_flags = 0;
2647
2648         /* create new flags */
2649         if (source != NULL) {
2650                 /* copy original flags */
2651                 perm_flags = source->flags.perm_flags;
2652                 tmp_flags = source->flags.tmp_flags;
2653         } else {
2654                 perm_flags = dest->flags.perm_flags;
2655                 tmp_flags = dest->flags.tmp_flags;
2656         }
2657
2658         /* remove new, unread and deleted in special folders */
2659         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2660             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2661             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2662             folder_has_parent_of_type(dest->folder, F_TRASH))
2663                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2664
2665         /* set ignore flag of ignored parent exists */
2666         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2667                 perm_flags |= MSG_IGNORE_THREAD;
2668
2669         /* Unset tmp flags that should not be copied */
2670         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
2671
2672         /* unset flags that are set but should not */
2673         /* and set new flags */
2674         procmsg_msginfo_change_flags(dest,
2675                                   ~dest->flags.perm_flags & perm_flags,
2676                                   ~dest->flags.tmp_flags  & tmp_flags,
2677                                    dest->flags.perm_flags & ~perm_flags,
2678                                    dest->flags.tmp_flags  & ~tmp_flags);
2679 }
2680
2681 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2682 {
2683         /* update folder stats */
2684         if (MSG_IS_NEW(newmsginfo->flags))
2685                 item->new_msgs++;
2686         if (MSG_IS_UNREAD(newmsginfo->flags))
2687                 item->unread_msgs++;
2688         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2689                 item->unreadmarked_msgs++;
2690         if (MSG_IS_MARKED(newmsginfo->flags))
2691                 item->marked_msgs++;
2692         item->total_msgs++;
2693
2694         folder_item_update_freeze();
2695
2696         if (!item->cache)
2697                 folder_item_read_cache(item);
2698
2699         msgcache_add_msg(item->cache, newmsginfo);
2700         copy_msginfo_flags(flagsource, newmsginfo);
2701         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2702         folder_item_update_thaw();
2703 }
2704
2705 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2706 {
2707         MsgInfoUpdate msginfo_update;
2708
2709         if (!item->cache)
2710                 folder_item_read_cache(item);
2711
2712         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2713                 msginfo->folder->new_msgs--;
2714         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2715                 msginfo->folder->unread_msgs--;
2716         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2717                 msginfo->folder->unreadmarked_msgs--;
2718         if (MSG_IS_MARKED(msginfo->flags))
2719                 item->marked_msgs--;
2720
2721         msginfo->folder->total_msgs--;
2722
2723         msginfo_update.msginfo = msginfo;
2724         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2725         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2726
2727         msgcache_remove_msg(item->cache, msginfo->msgnum);
2728         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2729 }
2730
2731 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2732                          MsgFlags *flags, gboolean remove_source)
2733 {
2734         GSList file_list;
2735         MsgFileInfo fileinfo;
2736
2737         g_return_val_if_fail(dest != NULL, -1);
2738         g_return_val_if_fail(file != NULL, -1);
2739
2740         fileinfo.msginfo = NULL;
2741         fileinfo.file = (gchar *)file;
2742         fileinfo.flags = flags;
2743         file_list.data = &fileinfo;
2744         file_list.next = NULL;
2745
2746         return folder_item_add_msgs(dest, &file_list, remove_source);
2747 }
2748
2749 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2750                           gboolean remove_source)
2751 {
2752         Folder *folder;
2753         gint ret, num, lastnum = -1;
2754         GSList *file_cur;
2755         GRelation *relation;
2756         MsgFileInfo *fileinfo = NULL;
2757         gboolean folderscan = FALSE;
2758
2759         g_return_val_if_fail(dest != NULL, -1);
2760         g_return_val_if_fail(file_list != NULL, -1);
2761         g_return_val_if_fail(dest->folder != NULL, -1);
2762         if (dest->no_select)
2763                 return -1;
2764
2765         folder = dest->folder;
2766
2767         relation = g_relation_new(2);
2768         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2769
2770         if (folder->klass->add_msgs != NULL) {
2771                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2772                 if (ret < 0) {
2773                         g_relation_destroy(relation);
2774                         return ret;
2775                 }
2776         } else {
2777                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2778                         fileinfo = (MsgFileInfo *) file_cur->data;
2779
2780                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2781                         if (ret < 0) {
2782                                 g_relation_destroy(relation);
2783                                 return ret;
2784                         }
2785                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2786                 }
2787         }
2788
2789         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2790                 GTuples *tuples;
2791
2792                 fileinfo = (MsgFileInfo *) file_cur->data;
2793                 tuples = g_relation_select(relation, fileinfo, 0);
2794                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2795                 g_tuples_destroy(tuples);
2796
2797                 if (num >= 0) {
2798                         MsgInfo *newmsginfo;
2799
2800                         if (num == 0) {
2801                                 if (!folderscan) {
2802                                         folder_item_scan_full(dest, FALSE);
2803                                         folderscan = TRUE;
2804                                 }
2805                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2806                         }
2807
2808                         if (num > lastnum)
2809                                 lastnum = num;
2810
2811                         if (num >= 0 && remove_source) {
2812                                 if (g_unlink(fileinfo->file) < 0)
2813                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2814                         }
2815
2816                         if (num == 0)
2817                                 continue;
2818
2819                         if (!folderscan &&
2820                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2821                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2822                                 procmsg_msginfo_free(newmsginfo);
2823                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2824                                 /* TODO: set default flags */
2825                                 procmsg_msginfo_free(newmsginfo);
2826                         }
2827                 }
2828         }
2829
2830         g_relation_destroy(relation);
2831
2832         return lastnum;
2833 }
2834
2835 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
2836 {
2837         GSList *mlist;
2838         FolderItem *new_item;
2839         FolderItem *next_item;
2840         GNode *srcnode;
2841         gchar *old_id, *new_id;
2842
2843         /* move messages */
2844         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
2845         new_item = folder_create_folder(dest, src->name);
2846         if (new_item == NULL) {
2847                 printf("Can't create folder\n");
2848                 return NULL;
2849         }
2850
2851         if (new_item->folder == NULL)
2852                 new_item->folder = dest->folder;
2853
2854         /* move messages */
2855         log_message(LOG_PROTOCOL, copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
2856                         src->name, new_item->path);
2857
2858         mlist = folder_item_get_msg_list(src);
2859
2860         if (mlist != NULL) {
2861                 if (copy)
2862                         folder_item_copy_msgs(new_item, mlist);
2863                 else
2864                         folder_item_move_msgs(new_item, mlist);
2865                 procmsg_msg_list_free(mlist);
2866         }
2867
2868         /*copy prefs*/
2869         folder_item_prefs_copy_prefs(src, new_item);
2870
2871         /* copy internal data */
2872         if (src->folder->klass == new_item->folder->klass &&
2873             src->folder->klass->copy_private_data != NULL)
2874                 src->folder->klass->copy_private_data(src->folder,
2875                                         src, new_item);
2876         new_item->collapsed = src->collapsed;
2877         new_item->thread_collapsed = src->thread_collapsed;
2878         new_item->threaded  = src->threaded;
2879         new_item->ret_rcpt  = src->ret_rcpt;
2880         new_item->hide_read_msgs = src->hide_read_msgs;
2881         new_item->sort_key  = src->sort_key;
2882         new_item->sort_type = src->sort_type;
2883
2884         prefs_matcher_write_config();
2885
2886         /* recurse */
2887         srcnode = src->folder->node;
2888         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2889         srcnode = srcnode->children;
2890         while (srcnode != NULL) {
2891                 if (srcnode && srcnode->data) {
2892                         next_item = (FolderItem*) srcnode->data;
2893                         srcnode = srcnode->next;
2894                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
2895                                 return NULL;
2896                         }
2897                 }
2898         }
2899         old_id = folder_item_get_identifier(src);
2900         new_id = folder_item_get_identifier(new_item);
2901
2902         /* if src supports removing, otherwise only copy folder */
2903         if (src->folder->klass->remove_folder != NULL && !copy)
2904                 src->folder->klass->remove_folder(src->folder, src);
2905         folder_write_list();
2906
2907         if (!copy) {
2908                 debug_print("updating rules : %s => %s\n", old_id, new_id);
2909                 if (old_id != NULL && new_id != NULL) {
2910                         prefs_filtering_rename_path(old_id, new_id);
2911                         account_rename_path(old_id, new_id);
2912                 }
2913         }
2914         g_free(old_id);
2915         g_free(new_id);
2916
2917         return new_item;
2918 }
2919
2920 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
2921 {
2922         FolderItem *tmp = folder_item_parent(dest);
2923         gchar * src_identifier, * dst_identifier;
2924         gchar * phys_srcpath, * phys_dstpath, *tmppath;
2925
2926         while (tmp) {
2927                 if (tmp == src) {
2928                         return F_MOVE_FAILED_DEST_IS_CHILD;
2929                 }
2930                 tmp = folder_item_parent(tmp);
2931         }
2932
2933         tmp = folder_item_parent(src);
2934
2935         src_identifier = folder_item_get_identifier(src);
2936         dst_identifier = folder_item_get_identifier(dest);
2937
2938         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2939                 /* dest can be a root folder */
2940                 dst_identifier = folder_get_identifier(dest->folder);
2941         }
2942         if (src_identifier == NULL || dst_identifier == NULL) {
2943                 debug_print("Can't get identifiers\n");
2944                 return F_MOVE_FAILED;
2945         }
2946
2947         if (src->folder != dest->folder && !copy) {
2948                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2949         }
2950
2951         phys_srcpath = folder_item_get_path(src);
2952         tmppath = folder_item_get_path(dest);
2953         phys_dstpath = g_strconcat(tmppath,
2954                        G_DIR_SEPARATOR_S,
2955                        g_path_get_basename(phys_srcpath),
2956                        NULL);
2957         g_free(tmppath);
2958
2959         if (folder_item_parent(src) == dest || src == dest) {
2960                 g_free(src_identifier);
2961                 g_free(dst_identifier);
2962                 g_free(phys_srcpath);
2963                 g_free(phys_dstpath);
2964                 return F_MOVE_FAILED_DEST_IS_PARENT;
2965         }
2966         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2967         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
2968                 return F_MOVE_FAILED;
2969         }
2970
2971         g_free(src_identifier);
2972         g_free(dst_identifier);
2973         g_free(phys_srcpath);
2974         g_free(phys_dstpath);
2975
2976         *new_item = tmp;
2977
2978         return F_MOVE_OK;
2979 }
2980
2981 /**
2982  * Copy a list of message to a new folder and remove
2983  * source messages if wanted
2984  */
2985 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2986 {
2987         Folder *folder;
2988         GSList *l;
2989         gint num, lastnum = -1;
2990         gboolean folderscan = FALSE;
2991         GRelation *relation;
2992         GSList *not_moved = NULL;
2993         gint total = 0, curmsg = 0;
2994         MsgInfo *msginfo = NULL;
2995
2996         g_return_val_if_fail(dest != NULL, -1);
2997         g_return_val_if_fail(msglist != NULL, -1);
2998
2999         folder = dest->folder;
3000
3001         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
3002         if (dest->no_select)
3003                 return -1;
3004
3005         msginfo = (MsgInfo *)msglist->data;
3006
3007         if (!msginfo)
3008                 return -1;
3009
3010         if (!MSG_IS_QUEUED(msginfo->flags) &&
3011             MSG_IS_DRAFT(msginfo->flags) &&
3012             folder_has_parent_of_type(dest, F_QUEUE)) {
3013                 GSList *cur = msglist;
3014                 gboolean queue_err = FALSE;
3015                 for (; cur; cur = cur->next) {
3016                         Compose *compose = NULL;
3017                         FolderItem *queue = dest;
3018                         int val = 0;
3019
3020                         msginfo = (MsgInfo *)cur->data;
3021                         compose = compose_reedit(msginfo, TRUE);
3022                         if (compose == NULL) {
3023                                 queue_err = TRUE;
3024                                 continue;
3025                         }
3026                         val = compose_queue(compose, NULL, &queue, NULL,
3027                                         FALSE);
3028                         if (val < 0) {
3029                                 queue_err = TRUE;
3030                         } else if (remove_source) {
3031                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
3032                         }
3033                         if (val == 0)
3034                                 compose_close(compose);
3035                 }
3036                 return queue_err ? -1:0;
3037         }
3038
3039         relation = g_relation_new(2);
3040         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
3041         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
3042
3043         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
3044                 MsgInfo * msginfo = (MsgInfo *) l->data;
3045
3046                 if (msginfo->planned_download != 0) {
3047                         int old_planned = msginfo->planned_download;
3048                         partial_unmark(msginfo);
3049                         /* little hack to reenable after */
3050                         msginfo->planned_download = old_planned;
3051                 }
3052         }
3053
3054         /*
3055          * Copy messages to destination folder and
3056          * store new message numbers in newmsgnums
3057          */
3058         if (folder->klass->copy_msgs != NULL) {
3059                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3060                         g_relation_destroy(relation);
3061                         return -1;
3062                 }
3063         } else {
3064                 MsgInfo * msginfo;
3065                 l = msglist;
3066
3067                 /* immediately stop if src and dest folders are identical */
3068                 if (l != NULL) {
3069                         msginfo = (MsgInfo *) l->data;
3070                         if (msginfo != NULL && msginfo->folder == dest) {
3071                                 g_relation_destroy(relation);
3072                                 return -1;
3073                         }
3074                 }
3075
3076                 for (; l != NULL ; l = g_slist_next(l)) {
3077                         msginfo = (MsgInfo *) l->data;
3078
3079                         num = folder->klass->copy_msg(folder, dest, msginfo);
3080                         if (num > 0)
3081                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
3082                         else
3083                                 not_moved = g_slist_prepend(not_moved, msginfo);
3084                 }
3085         }
3086
3087         if (remove_source) {
3088                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3089                 FolderItem *item = msginfo->folder;
3090                 /*
3091                  * Remove source messages from their folders if
3092                  * copying was successfull and update folder
3093                  * message counts
3094                  */
3095                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3096                         item->folder->klass->remove_msgs(item->folder,
3097                                                                 msginfo->folder,
3098                                                                 msglist,
3099                                                                 relation);
3100                 }
3101                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3102                         GTuples *tuples;
3103                         msginfo = (MsgInfo *) l->data;
3104                         item = msginfo->folder;
3105
3106                         tuples = g_relation_select(relation, msginfo, 0);
3107                         if (tuples) {
3108                                 if (tuples->len)
3109                                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3110                                 else
3111                                         num = 0;
3112                                 g_tuples_destroy(tuples);
3113                         } else {
3114                                 num = -1;
3115                         }
3116
3117                         if (g_slist_find(not_moved, msginfo))
3118                                 continue;
3119
3120                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3121                                 if (!item->folder->klass->remove_msgs)
3122                                         item->folder->klass->remove_msg(item->folder,
3123                                                                 msginfo->folder,
3124                                                                 msginfo->msgnum);
3125                                 remove_msginfo_from_cache(item, msginfo);
3126                         }
3127                 }
3128         }
3129
3130         /* Read cache for dest folder */
3131         if (!dest->cache) folder_item_read_cache(dest);
3132
3133         /*
3134          * Fetch new MsgInfos for new messages in dest folder,
3135          * add them to the msgcache and update folder message counts
3136          */
3137         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
3138                 folder_item_scan_full(dest, FALSE);
3139                 folderscan = TRUE;
3140         }
3141
3142         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3143         total = g_slist_length(msglist);
3144         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3145                 MsgInfo *msginfo = (MsgInfo *) l->data;
3146                 GTuples *tuples;
3147
3148                 tuples = g_relation_select(relation, msginfo, 0);
3149                 if (tuples->len > 0) {
3150                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3151                         g_tuples_destroy(tuples);
3152                 } else {
3153                         num = 0;
3154                         if (tuples)
3155                                 g_tuples_destroy(tuples);
3156                 }
3157                 statusbar_progress_all(curmsg++,total, 100);
3158                 if (curmsg % 100 == 0)
3159                         GTK_EVENTS_FLUSH();
3160
3161                 if (num >= 0) {
3162                         MsgInfo *newmsginfo = NULL;
3163
3164                         if (folderscan) {
3165                                 if (msginfo->msgid != NULL) {
3166                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3167                                         if (newmsginfo != NULL) {
3168                                                 copy_msginfo_flags(msginfo, newmsginfo);
3169                                                 num = newmsginfo->msgnum;
3170                                         }
3171                                 }
3172                         } else {
3173                                 newmsginfo = get_msginfo(dest, num);
3174                                 if (newmsginfo != NULL) {
3175                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3176                                 }
3177                         }
3178
3179                         if (msginfo->planned_download
3180                             == POP3_PARTIAL_DLOAD_DELE) {
3181                                 partial_mark_for_delete(newmsginfo);
3182                         }
3183                         if (msginfo->planned_download
3184                             == POP3_PARTIAL_DLOAD_DLOAD) {
3185                                 partial_mark_for_download(newmsginfo);
3186                         }
3187                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3188                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3189                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3190                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3191                         }
3192                         procmsg_msginfo_free(newmsginfo);
3193
3194
3195                         if (num > lastnum)
3196                                 lastnum = num;
3197                 }
3198         }
3199         statusbar_progress_all(0,0,0);
3200         statusbar_pop_all();
3201
3202         g_relation_destroy(relation);
3203         if (not_moved != NULL) {
3204                 g_slist_free(not_moved);
3205                 return -1;
3206         } else
3207                 return lastnum;
3208 }
3209
3210 /**
3211  * Move a message to a new folder.
3212  *
3213  * \param dest Destination folder
3214  * \param msginfo The message
3215  */
3216 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3217 {
3218         GSList list;
3219
3220         g_return_val_if_fail(dest != NULL, -1);
3221         g_return_val_if_fail(msginfo != NULL, -1);
3222
3223         list.data = msginfo;
3224         list.next = NULL;
3225
3226         return do_copy_msgs(dest, &list, TRUE);
3227 }
3228
3229 /**
3230  * Move a list of messages to a new folder.
3231  *
3232  * \param dest Destination folder
3233  * \param msglist List of messages
3234  */
3235 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3236 {
3237         gint result = -1;
3238         g_return_val_if_fail(dest != NULL, -1);
3239         g_return_val_if_fail(msglist != NULL, -1);
3240         inc_lock();
3241         result = do_copy_msgs(dest, msglist, TRUE);
3242         inc_unlock();
3243         return result;
3244 }
3245
3246 /**
3247  * Copy a message to a new folder.
3248  *
3249  * \param dest Destination folder
3250  * \param msginfo The message
3251  */
3252 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3253 {
3254         GSList list;
3255
3256         g_return_val_if_fail(dest != NULL, -1);
3257         g_return_val_if_fail(msginfo != NULL, -1);
3258
3259         list.data = msginfo;
3260         list.next = NULL;
3261
3262         return do_copy_msgs(dest, &list, FALSE);
3263 }
3264
3265 /**
3266  * Copy a list of messages to a new folder.
3267  *
3268  * \param dest Destination folder
3269  * \param msglist List of messages
3270  */
3271 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3272 {
3273         gint result;
3274         g_return_val_if_fail(dest != NULL, -1);
3275         g_return_val_if_fail(msglist != NULL, -1);
3276
3277         inc_lock();
3278         result = do_copy_msgs(dest, msglist, FALSE);
3279         inc_unlock();
3280
3281         return result;
3282 }
3283
3284 gint folder_item_remove_msg(FolderItem *item, gint num)
3285 {
3286         Folder *folder;
3287         gint ret;
3288         MsgInfo *msginfo;
3289
3290         g_return_val_if_fail(item != NULL, -1);
3291         folder = item->folder;
3292         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3293         if (item->no_select)
3294                 return -1;
3295
3296         if (!item->cache) folder_item_read_cache(item);
3297
3298         ret = folder->klass->remove_msg(folder, item, num);
3299
3300         msginfo = msgcache_get_msg(item->cache, num);
3301         if (msginfo != NULL) {
3302                 remove_msginfo_from_cache(item, msginfo);
3303                 procmsg_msginfo_free(msginfo);
3304         }
3305
3306         return ret;
3307 }
3308
3309 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3310 {
3311         Folder *folder;
3312         gint ret = 0;
3313
3314         g_return_val_if_fail(item != NULL, -1);
3315         folder = item->folder;
3316         g_return_val_if_fail(folder != NULL, -1);
3317         if (item->no_select)
3318                 return -1;
3319         inc_lock();
3320         if (!item->cache) folder_item_read_cache(item);
3321
3322         folder_item_update_freeze();
3323         if (item->folder->klass->remove_msgs) {
3324                 ret = item->folder->klass->remove_msgs(item->folder,
3325                                                         item,
3326                                                         msglist,
3327                                                         NULL);
3328         }
3329         while (ret == 0 && msglist != NULL) {
3330                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3331                 if (MSG_IS_LOCKED(msginfo->flags)) {
3332                         msglist = msglist->next;
3333                         continue;
3334                 }
3335                 if (!item->folder->klass->remove_msgs)
3336                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3337                 if (ret != 0) break;
3338                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3339                 msglist = msglist->next;
3340         }
3341         folder_item_scan_full(item, FALSE);
3342         folder_item_update_thaw();
3343         inc_unlock();
3344         return ret;
3345 }
3346
3347 gint folder_item_remove_all_msg(FolderItem *item)
3348 {
3349         Folder *folder;
3350         gint result;
3351
3352         g_return_val_if_fail(item != NULL, -1);
3353         if (item->no_select)
3354                 return -1;
3355
3356         folder = item->folder;
3357
3358         inc_lock();
3359         if (folder->klass->remove_all_msg != NULL) {
3360                 result = folder->klass->remove_all_msg(folder, item);
3361
3362                 if (result == 0) {
3363                         folder_item_free_cache(item, TRUE);
3364                         item->cache = msgcache_new();
3365                 }
3366         } else {
3367                 MsgInfoList *msglist;
3368
3369                 msglist = folder_item_get_msg_list(item);
3370                 result = folder_item_remove_msgs(item, msglist);
3371                 procmsg_msg_list_free(msglist);
3372         }
3373
3374         if (result == 0) {
3375                 item->new_msgs = 0;
3376                 item->unread_msgs = 0;
3377                 item->unreadmarked_msgs = 0;
3378                 item->marked_msgs = 0;
3379                 item->total_msgs = 0;
3380                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3381         }
3382
3383         inc_unlock();
3384         return result;
3385 }
3386
3387 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3388 {
3389         g_return_if_fail(item != NULL);
3390         g_return_if_fail(msginfo != NULL);
3391         if (item->no_select)
3392                 return;
3393
3394         if (item->folder->klass->change_flags != NULL) {
3395                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3396         } else {
3397                 msginfo->flags.perm_flags = newflags;
3398         }
3399 }
3400
3401 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3402 {
3403         Folder *folder;
3404
3405         g_return_val_if_fail(item != NULL, FALSE);
3406         if (item->no_select)
3407                 return FALSE;
3408
3409         folder = item->folder;
3410
3411         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3412
3413         return folder->klass->is_msg_changed(folder, item, msginfo);
3414 }
3415
3416 static gchar *folder_item_get_cache_file(FolderItem *item)
3417 {
3418         gchar *path;
3419         gchar *file;
3420
3421         g_return_val_if_fail(item != NULL, NULL);
3422         g_return_val_if_fail(item->path != NULL, NULL);
3423
3424         path = folder_item_get_path(item);
3425         g_return_val_if_fail(path != NULL, NULL);
3426         if (!is_dir_exist(path))
3427                 make_dir_hier(path);
3428         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3429         g_free(path);
3430
3431         return file;
3432 }
3433
3434 static gchar *folder_item_get_mark_file(FolderItem *item)
3435 {
3436         gchar *path;
3437         gchar *file;
3438
3439         g_return_val_if_fail(item != NULL, NULL);
3440         g_return_val_if_fail(item->path != NULL, NULL);
3441
3442         path = folder_item_get_path(item);
3443         g_return_val_if_fail(path != NULL, NULL);
3444         if (!is_dir_exist(path))
3445                 make_dir_hier(path);
3446         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3447         g_free(path);
3448
3449         return file;
3450 }
3451
3452 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3453 {
3454         XMLNode *xmlnode = (XMLNode *) nodedata;
3455         Folder *folder = (Folder *) data;
3456         FolderItem *item;
3457
3458         g_return_val_if_fail(xmlnode != NULL, NULL);
3459         g_return_val_if_fail(folder != NULL, NULL);
3460
3461         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3462                 g_warning("tag name != \"folderitem\"\n");
3463                 return NULL;
3464         }
3465
3466         item = folder_item_new(folder, "", "");
3467         if (folder->klass->item_set_xml != NULL)
3468                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3469         else
3470                 folder_item_set_xml(folder, item, xmlnode->tag);
3471
3472         item->folder = folder;
3473
3474         switch (item->stype) {
3475         case F_INBOX:  folder->inbox  = item; break;
3476         case F_OUTBOX: folder->outbox = item; break;
3477         case F_DRAFT:  folder->draft  = item; break;
3478         case F_QUEUE:  folder->queue  = item; break;
3479         case F_TRASH:  folder->trash  = item; break;
3480         default:       break;
3481         }
3482         folder_item_prefs_read_config(item);
3483
3484         return item;
3485 }
3486
3487 static gboolean folder_item_set_node(GNode *node, gpointer data)
3488 {
3489         FolderItem *item = (FolderItem *) node->data;
3490         item->node = node;
3491
3492         return FALSE;
3493 }
3494
3495 static Folder *folder_get_from_xml(GNode *node)
3496 {
3497         Folder *folder;
3498         XMLNode *xmlnode;
3499         GList *list;
3500         FolderClass *klass = NULL;
3501         GNode *cur;
3502
3503         g_return_val_if_fail(node->data != NULL, NULL);
3504
3505         xmlnode = node->data;
3506         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3507                 g_warning("tag name != \"folder\"\n");
3508                 return NULL;
3509         }
3510         list = xmlnode->tag->attr;
3511         for (; list != NULL; list = list->next) {
3512                 XMLAttr *attr = list->data;
3513
3514                 if (!attr || !attr->name || !attr->value) continue;
3515                 if (!strcmp(attr->name, "type"))
3516                         klass = folder_get_class_from_string(attr->value);
3517         }
3518         if (klass == NULL)
3519                 return NULL;
3520
3521         folder = folder_new(klass, "", "");
3522         g_return_val_if_fail(folder != NULL, NULL);
3523
3524         if (klass->set_xml)
3525                 klass->set_xml(folder, xmlnode->tag);
3526         else
3527                 folder_set_xml(folder, xmlnode->tag);
3528
3529         cur = node->children;
3530         while (cur != NULL) {
3531                 GNode *itemnode;
3532
3533                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3534                 g_node_append(folder->node, itemnode);
3535                 cur = cur->next;
3536         }
3537         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3538
3539         return folder;
3540 }
3541
3542 static gchar *folder_get_list_path(void)
3543 {
3544         static gchar *filename = NULL;
3545
3546         if (!filename)
3547                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3548                                         FOLDER_LIST, NULL);
3549
3550         return filename;
3551 }
3552
3553 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3554 {                                                       \
3555         fputs(" " attr "=\"", fp);                      \
3556         xml_file_put_escape_str(fp, str);               \
3557         fputs("\"", fp);                                \
3558 }
3559
3560 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3561 {
3562         FolderItem *item = (FolderItem *) nodedata;
3563         XMLTag *tag;
3564
3565         g_return_val_if_fail(item != NULL, NULL);
3566
3567         if (item->folder->klass->item_get_xml != NULL)
3568                 tag = item->folder->klass->item_get_xml(item->folder, item);
3569         else
3570                 tag = folder_item_get_xml(item->folder, item);
3571
3572         return xml_node_new(tag, NULL);
3573 }
3574
3575 static GNode *folder_get_xml_node(Folder *folder)
3576 {
3577         GNode *node;
3578         XMLNode *xmlnode;
3579         XMLTag *tag;
3580
3581         g_return_val_if_fail(folder != NULL, NULL);
3582
3583         if (folder->klass->get_xml != NULL)
3584                 tag = folder->klass->get_xml(folder);
3585         else
3586                 tag = folder_get_xml(folder);
3587
3588         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3589
3590         xmlnode = xml_node_new(tag, NULL);
3591
3592         node = g_node_new(xmlnode);
3593
3594         g_return_val_if_fail (folder->node != NULL, NULL);
3595
3596         if (folder->node->children) {
3597                 GNode *cur;
3598
3599                 cur = folder->node->children;
3600                 while (cur) {
3601                         GNode *xmlnode;
3602
3603                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3604                         g_node_append(node, xmlnode);
3605                         cur = cur->next;
3606                 }
3607         }
3608
3609         return node;
3610 }
3611
3612 static void folder_update_op_count_rec(GNode *node)
3613 {
3614         FolderItem *fitem = FOLDER_ITEM(node->data);
3615
3616         if (g_node_depth(node) > 0) {
3617                 if (fitem->op_count > 0) {
3618                         fitem->op_count = 0;
3619                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3620                 }
3621                 if (node->children) {
3622                         GNode *child;
3623
3624                         child = node->children;
3625                         while (child) {
3626                                 GNode *cur;
3627
3628                                 cur = child;
3629                                 child = cur->next;
3630                                 folder_update_op_count_rec(cur);
3631                         }
3632                 }
3633         }
3634 }
3635
3636 void folder_update_op_count(void)
3637 {
3638         GList *cur;
3639         Folder *folder;
3640
3641         for (cur = folder_list; cur != NULL; cur = cur->next) {
3642                 folder = cur->data;
3643                 folder_update_op_count_rec(folder->node);
3644         }
3645 }
3646
3647 typedef struct _type_str {
3648         gchar * str;
3649         gint type;
3650 } type_str;
3651
3652
3653 /*
3654 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3655 {
3656         if (item->parent != NULL) {
3657                 gchar * path;
3658                 gchar * id;
3659
3660                 path = folder_item_get_tree_identifier(item->parent);
3661                 if (path == NULL)
3662                         return NULL;
3663
3664                 id = g_strconcat(path, "/", item->name, NULL);
3665                 g_free(path);
3666
3667                 return id;
3668         }
3669         else {
3670                 return g_strconcat("/", item->name, NULL);
3671         }
3672 }
3673 */
3674
3675 /* CLAWS: temporary local folder for filtering */
3676 #define TEMP_FOLDER "TEMP_FOLDER"
3677 #define PROCESSING_FOLDER_ITEM "processing"
3678
3679 static FolderItem *processing_folder_item;
3680
3681 static void folder_create_processing_folder(void)
3682 {
3683         Folder *processing_folder;
3684         gchar      *tmpname;
3685
3686         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3687                 gchar *tmppath;
3688
3689                 tmppath =
3690                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3691                                 "tempfolder", NULL);
3692                 processing_folder =
3693                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3694                 g_free(tmppath);
3695         }
3696         g_assert(processing_folder != NULL);
3697
3698         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3699         /* FIXME: [W32] The code below does not correctly merge
3700            relative filenames; there should be a function to handle
3701            this.  */
3702         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
3703                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3704                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3705                                       NULL);
3706         else
3707                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3708                                       LOCAL_FOLDER(processing_folder)->rootpath,
3709                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3710                                       NULL);
3711
3712         if (!is_dir_exist(tmpname)) {
3713                 debug_print("*TMP* creating %s\n", tmpname);
3714                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3715                                                                                  processing_folder->node->data,
3716                                                                                  PROCESSING_FOLDER_ITEM);
3717         } else {
3718                 debug_print("*TMP* already created\n");
3719                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3720                 g_assert(processing_folder_item);
3721                 folder_item_append(processing_folder->node->data, processing_folder_item);
3722         }
3723         g_assert(processing_folder_item != NULL);
3724         g_free(tmpname);
3725 }
3726
3727 FolderItem *folder_get_default_processing(void)
3728 {
3729         if (!processing_folder_item) {
3730                 folder_create_processing_folder();
3731         }
3732         return processing_folder_item;
3733 }
3734
3735 /* folder_persist_prefs_new() - return hash table with persistent
3736  * settings (and folder name as key).
3737  * (note that in claws other options are in the folder_item_prefs_RC
3738  * file, so those don't need to be included in PersistPref yet)
3739  */
3740 static GHashTable *folder_persist_prefs_new(Folder *folder)
3741 {
3742         GHashTable *pptable;
3743
3744         g_return_val_if_fail(folder, NULL);
3745         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3746         folder_get_persist_prefs_recursive(folder->node, pptable);
3747         return pptable;
3748 }
3749
3750 static void folder_persist_prefs_free(GHashTable *pptable)
3751 {
3752         g_return_if_fail(pptable);
3753         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3754         g_hash_table_destroy(pptable);
3755 }
3756
3757 static const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3758 {
3759         if (pptable == NULL || name == NULL) return NULL;
3760         return g_hash_table_lookup(pptable, name);
3761 }
3762
3763 static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3764 {
3765         const PersistPrefs *pp;
3766         gchar *id = folder_item_get_identifier(item);
3767
3768         pp = folder_get_persist_prefs(pptable, id);
3769         g_free(id);
3770
3771         if (!pp) return;
3772
3773         /* CLAWS: since not all folder properties have been migrated to
3774          * folderlist.xml, we need to call the old stuff first before
3775          * setting things that apply both to Main and Claws. */
3776         folder_item_prefs_read_config(item);
3777
3778         item->collapsed = pp->collapsed;
3779         item->thread_collapsed = pp->thread_collapsed;
3780         item->threaded  = pp->threaded;
3781         item->ret_rcpt  = pp->ret_rcpt;
3782         item->hide_read_msgs = pp->hide_read_msgs;
3783         item->sort_key  = pp->sort_key;
3784         item->sort_type = pp->sort_type;
3785 }
3786
3787 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3788 {
3789         FolderItem *item = FOLDER_ITEM(node->data);
3790         PersistPrefs *pp;
3791         GNode *child, *cur;
3792         gchar *id;
3793
3794         g_return_if_fail(node != NULL);
3795         g_return_if_fail(item != NULL);
3796
3797         /* NOTE: item->path == NULL means top level folder; not interesting
3798          * to store preferences of that one.  */
3799         if (item->path) {
3800                 id = folder_item_get_identifier(item);
3801                 pp = g_new0(PersistPrefs, 1);
3802                 g_return_if_fail(pp != NULL);
3803                 pp->collapsed = item->collapsed;
3804                 pp->thread_collapsed = item->thread_collapsed;
3805                 pp->threaded  = item->threaded;
3806                 pp->ret_rcpt  = item->ret_rcpt;
3807                 pp->hide_read_msgs = item->hide_read_msgs;
3808                 pp->sort_key  = item->sort_key;
3809                 pp->sort_type = item->sort_type;
3810                 g_hash_table_insert(pptable, id, pp);
3811         }
3812
3813         if (node->children) {
3814                 child = node->children;
3815                 while (child) {
3816                         cur = child;
3817                         child = cur->next;
3818                         folder_get_persist_prefs_recursive(cur, pptable);
3819                 }
3820         }
3821 }
3822
3823 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3824 {
3825         g_free(key);
3826         g_free(val);
3827         return TRUE;
3828 }
3829
3830 void folder_item_apply_processing(FolderItem *item)
3831 {
3832         GSList *processing_list;
3833         GSList *mlist, *cur;
3834         guint total = 0, curmsg = 0;
3835         gint last_apply_per_account;
3836
3837         g_return_if_fail(item != NULL);
3838
3839         if (item->no_select)
3840                return;
3841
3842         processing_list = item->prefs->processing;
3843
3844         if (!pre_global_processing && !processing_list
3845         &&  !post_global_processing)
3846                 return;
3847
3848         debug_print("processing %s\n", item->name);
3849         folder_item_update_freeze();
3850
3851         mlist = folder_item_get_msg_list(item);
3852         total = g_slist_length(mlist);
3853         statusbar_print_all(_("Processing messages..."));
3854
3855         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
3856         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
3857
3858         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3859                 MsgInfo * msginfo;
3860
3861                 msginfo = (MsgInfo *) cur->data;
3862
3863                 /* reset parameters that can be modified by processing */
3864                 msginfo->hidden = 0;
3865                 msginfo->score = 0;
3866
3867                 statusbar_progress_all(curmsg++,total, 10);
3868
3869                 /* apply pre global rules */
3870                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL,
3871                                 FILTERING_PRE_PROCESSING, NULL);
3872
3873                 /* apply rules of the folder */
3874                 filter_message_by_msginfo(processing_list, msginfo, NULL,
3875                                 FILTERING_FOLDER_PROCESSING, item->name);
3876
3877                 /* apply post global rules */
3878                 filter_message_by_msginfo(post_global_processing, msginfo, NULL,
3879                                 FILTERING_POST_PROCESSING, NULL);
3880         }
3881         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
3882
3883         if (pre_global_processing || processing_list
3884             || post_global_processing)
3885                 filtering_move_and_copy_msgs(mlist);
3886         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3887                 MsgInfo * msginfo = (MsgInfo *)cur->data;
3888                 procmsg_msginfo_free(msginfo);
3889         }
3890         g_slist_free(mlist);
3891
3892         statusbar_progress_all(0,0,0);
3893         statusbar_pop_all();
3894
3895         folder_item_update_thaw();
3896 }
3897
3898 /*
3899  *  functions for handling FolderItem content changes
3900  */
3901 static gint folder_item_update_freeze_cnt = 0;
3902
3903 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3904 {
3905         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3906                 FolderItemUpdateData source;
3907
3908                 source.item = item;
3909                 source.update_flags = update_flags;
3910                 source.msg = msg;
3911                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3912         } else {
3913                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3914         }
3915 }
3916
3917 /**
3918  * Notify the folder system about changes to a folder. If the
3919  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3920  * be invoked, otherwise the changes will be remebered until
3921  * the folder system is thawed.
3922  *
3923  * \param item The FolderItem that was changed
3924  * \param update_flags Type of changed that was made
3925  */
3926 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3927 {
3928         folder_item_update_with_msg(item, update_flags, NULL);
3929 }
3930
3931 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3932 {
3933         GNode *node = item->folder->node;
3934
3935         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3936         node = node->children;
3937
3938         folder_item_update(item, update_flags);
3939         while (node != NULL) {
3940                 if (node && node->data) {
3941                         FolderItem *next_item = (FolderItem*) node->data;
3942
3943                         folder_item_update(next_item, update_flags);
3944                 }
3945                 node = node->next;
3946         }
3947 }
3948
3949 void folder_item_update_freeze(void)
3950 {
3951         folder_item_update_freeze_cnt++;
3952 }
3953
3954 static void folder_item_update_func(FolderItem *item, gpointer data)
3955 {
3956         FolderItemUpdateData source;
3957
3958         if (item->update_flags) {
3959                 source.item = item;
3960                 source.update_flags = item->update_flags;
3961                 source.msg = NULL;
3962                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3963                 item->update_flags = 0;
3964         }
3965 }
3966
3967 void folder_item_update_thaw(void)
3968 {
3969         if (folder_item_update_freeze_cnt > 0)
3970                 folder_item_update_freeze_cnt--;
3971         if (folder_item_update_freeze_cnt == 0) {
3972                 /* Update all folders */
3973                 folder_func_to_all_folders(folder_item_update_func, NULL);
3974         }
3975 }
3976
3977 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
3978 {
3979         Folder *folder = (Folder *)data;
3980         if (folder == NULL || item->folder == folder) {
3981                 if(item->prefs->offlinesync && item->folder->klass->synchronise)
3982                         item->folder->klass->synchronise(item);
3983         }
3984 }
3985
3986 void folder_synchronise(Folder *folder)
3987 {
3988         folder_func_to_all_folders(folder_item_synchronise_func, folder);
3989 }
3990
3991 typedef struct _WantSyncData {
3992         Folder *folder;
3993         gboolean want_sync;
3994 } WantSyncData;
3995
3996 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
3997 {
3998         WantSyncData *want_sync_data = (WantSyncData *)data;
3999
4000         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
4001                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
4002                         want_sync_data->want_sync |= TRUE;
4003         }
4004 }
4005
4006 gboolean folder_want_synchronise(Folder *folder)
4007 {
4008         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
4009         gboolean result;
4010         want_sync_data->folder = folder;
4011         want_sync_data->want_sync = FALSE;
4012
4013         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
4014         result = want_sync_data->want_sync;
4015         g_free(want_sync_data);
4016         if (result > 0)
4017                 debug_print("Folder %s wants sync\n", folder->name);
4018         return result;
4019 }
4020
4021 void folder_item_set_batch (FolderItem *item, gboolean batch)
4022 {
4023         if (item->folder->klass->set_batch) {
4024                 item->folder->klass->set_batch(item->folder, item, batch);
4025         }
4026 }
4027
4028 gboolean folder_has_parent_of_type(FolderItem *item,
4029                                           SpecialFolderItemType type)
4030 {
4031         FolderItem *cur = item;
4032
4033         /* if we already know it, make it short */
4034         if (item->parent_stype != -1) {
4035                 return (item->parent_stype == type);
4036         }
4037
4038         /* if we don't, find the type from the first possible parent,
4039          * and set our parent type to be faster next time */
4040         while (cur) {
4041                 if (cur->stype == type || cur->parent_stype == type) {
4042                         item->parent_stype = type;
4043                         return TRUE;
4044                 }
4045                 cur = folder_item_parent(cur);
4046         }
4047
4048         /* if we didn't match what was asked, we didn't return. If our
4049          * parent type is unknown, we may as well find it now to be faster
4050          * later. */
4051         if (item->parent_stype == -1) {
4052                 cur = item;
4053                 while (cur) {
4054                         /* here's an exception: Inbox subfolders are normal. */
4055                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4056                         && item != cur) {
4057                                 item->parent_stype = F_NORMAL;
4058                                 break;
4059                         }
4060                         /* ah, we know this parent's parent's type, we may as
4061                          * well copy it instead of going up the full way */
4062                         if (cur->parent_stype != -1) {
4063                                 item->parent_stype = cur->parent_stype;
4064                                 break;
4065                         }
4066                         /* we found a parent that has a special type. That's
4067                          * our parent type. */
4068                         if (cur->stype != F_NORMAL) {
4069                                 cur->parent_stype = cur->stype;
4070                                 item->parent_stype = cur->stype;
4071                                 break;
4072                         }
4073                         /* if we didn't find anything, go up once more */
4074                         cur = folder_item_parent(cur);
4075                 }
4076                 /* as we still didn't find anything, our parents must all be
4077                  * normal. */
4078                 if (item->parent_stype == -1) {
4079                         item->parent_stype = F_NORMAL;
4080                 }
4081         }
4082         return FALSE;
4083 }
4084
4085 gboolean folder_subscribe (const gchar *uri)
4086 {
4087         GList *cur;
4088         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4089                 Folder *folder = (Folder *) cur->data;
4090
4091                 if (folder->klass->subscribe
4092                 &&  folder->klass->subscribe(folder, uri)) {
4093                         return TRUE;
4094                 }
4095         }
4096         return FALSE;
4097
4098 }
4099
4100 gboolean folder_get_sort_type           (Folder         *folder,
4101                                          FolderSortKey  *sort_key,
4102                                          FolderSortType *sort_type)
4103 {
4104         if (!folder || !sort_key || !sort_type)
4105                 return FALSE;
4106         if (folder->klass->get_sort_type == NULL)
4107                 return FALSE;
4108         folder->klass->get_sort_type(folder, sort_key, sort_type);
4109         return TRUE;
4110 }
4111
4112 #undef PUT_ESCAPE_STR