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 void folder_system_init(void)
 104 {
 105         folder_register_class(mh_get_class());
 106         folder_register_class(imap_get_class());
 107         folder_register_class(news_get_class());
 108 }
 109
 110 static GSList *folder_get_class_list(void)
 111 {
 112         return class_list;
 113 }
 114
 115 void folder_register_class(FolderClass *klass)
 116 {
 117         GSList *xmllist, *cur;
 118
 119         debug_print("registering folder class %s\n", klass->idstr);
 120
 121         class_list = g_slist_append(class_list, klass);
 122
 123         xmllist = g_slist_copy(folder_unloaded_list);
 124         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 125                 GNode *node = (GNode *) cur->data;
 126                 XMLNode *xmlnode = (XMLNode *) node->data;
 127                 GList *cur = xmlnode->tag->attr;
 128
 129                 for (; cur != NULL; cur = g_list_next(cur)) {
 130                         XMLAttr *attr = (XMLAttr *) cur->data;
 131
 132                         if (!attr || !attr->name || !attr->value) continue;
 133                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 134                                 Folder *folder;
 135
 136                                 folder = folder_get_from_xml(node);
 137                                 folder_add(folder);
 138                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 139
 140                                 cur = NULL;
 141                                 continue;
 142                         }
 143                 }
 144         }
 145         g_slist_free(xmllist);
 146 }
 147
 148 void folder_unregister_class(FolderClass *klass)
 149 {
 150         GList *folderlist, *cur;
 151
 152         debug_print("unregistering folder class %s\n", klass->idstr);
 153
 154         class_list = g_slist_remove(class_list, klass);
 155
 156         folderlist = g_list_copy(folder_get_list());
 157         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 158                 Folder *folder = (Folder *) cur->data;
 159
 160                 if (folder->klass == klass) {
 161                         GNode *xmlnode = folder_get_xml_node(folder);
 162                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 163                         folder_destroy(folder);
 164                 }
 165         }
 166         g_list_free(folderlist);
 167 }
 168
 169 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 170 {
 171         Folder *folder = NULL;
 172         FolderItem *item;
 173
 174         g_return_val_if_fail(klass != NULL, NULL);
 175
 176         name = name ? name : path;
 177         folder = klass->new_folder(name, path);
 178
 179         /* Create root folder item */
 180         item = folder_item_new(folder, name, NULL);
 181         if (item == NULL) {
 182                 return NULL;
 183         }
 184         item->folder = folder;
 185         folder->node = item->node = g_node_new(item);
 186         folder->data = NULL;
 187
 188         return folder;
 189 }
 190
 191 void folder_init(Folder *folder, const gchar *name)
 192 {
 193         g_return_if_fail(folder != NULL);
 194
 195         folder_set_name(folder, name);
 196
 197         /* Init folder data */
 198         folder->account = NULL;
 199         folder->sort = 0;
 200         folder->inbox = NULL;
 201         folder->outbox = NULL;
 202         folder->draft = NULL;
 203         folder->queue = NULL;
 204         folder->trash = NULL;
 205 }
 206
 207 static void reset_parent_type(FolderItem *item, gpointer data) {
 208         item->parent_stype = -1;
 209 }
 210
 211 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 212 {
 213         Folder *folder = NULL;
 214         FolderUpdateData hookdata;
 215
 216         folder = item->folder;
 217         /* unset previous root of newtype */
 218         switch(newtype) {
 219         case F_INBOX:
 220                 folder_item_change_type(folder->inbox, F_NORMAL);
 221                 folder->inbox = item;
 222                 break;
 223         case F_OUTBOX:
 224                 folder_item_change_type(folder->outbox, F_NORMAL);
 225                 folder->outbox = item;
 226                 break;
 227         case F_QUEUE:
 228                 folder_item_change_type(folder->queue, F_NORMAL);
 229                 folder->queue = item;
 230                 break;
 231         case F_DRAFT:
 232                 folder_item_change_type(folder->draft, F_NORMAL);
 233                 folder->draft = item;
 234                 break;
 235         case F_TRASH:
 236                 folder_item_change_type(folder->trash, F_NORMAL);
 237                 folder->trash = item;
 238                 break;
 239         case F_NORMAL:
 240         default:
 241                 break;
 242         }
 243         /* set new type for current folder and sons */
 244         item->stype = newtype;
 245         folder_func_to_all_folders(reset_parent_type, NULL);
 246
 247         hookdata.folder = folder;
 248         hookdata.update_flags = FOLDER_TREE_CHANGED;
 249         hookdata.item = NULL;
 250         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 251 }
 252
 253 void folder_destroy(Folder *folder)
 254 {
 255         g_return_if_fail(folder != NULL);
 256         g_return_if_fail(folder->klass->destroy_folder != NULL);
 257
 258         folder_remove(folder);
 259
 260         folder_tree_destroy(folder);
 261
 262         folder->klass->destroy_folder(folder);
 263
 264         g_free(folder->name);
 265         g_free(folder);
 266 }
 267
 268 void folder_set_xml(Folder *folder, XMLTag *tag)
 269 {
 270         GList *cur;
 271         FolderItem *rootitem = NULL;
 272
 273         if ((folder->node != NULL) && (folder->node->data != NULL))
 274                 rootitem = (FolderItem *) folder->node->data;
 275
 276         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 277                 XMLAttr *attr = (XMLAttr *) cur->data;
 278
 279                 if (!attr || !attr->name || !attr->value) continue;
 280                 if (!strcmp(attr->name, "name")) {
 281                         g_free(folder->name);
 282                         folder->name = g_strdup(attr->value);
 283                         if (rootitem != NULL) {
 284                                 g_free(rootitem->name);
 285                                 rootitem->name = g_strdup(attr->value);
 286                         }
 287                 } else if (!strcmp(attr->name, "account_id")) {
 288                         PrefsAccount *account;
 289
 290                         account = account_find_from_id(atoi(attr->value));
 291                         if (!account)
 292                                 g_warning("account_id: %s not found\n", attr->value);
 293                         else {
 294                                 folder->account = account;
 295                                 account->folder = folder;
 296                         }
 297                 } else if (!strcmp(attr->name, "collapsed")) {
 298                         if (rootitem != NULL)
 299                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 300                 } else if (!strcmp(attr->name, "sort")) {
 301                         folder->sort = atoi(attr->value);
 302                 }
 303         }
 304 }
 305
 306 XMLTag *folder_get_xml(Folder *folder)
 307 {
 308         XMLTag *tag;
 309
 310         tag = xml_tag_new("folder");
 311
 312         if (folder->name)
 313                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 314         if (folder->account)
 315                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 316         if (folder->node && folder->node->data) {
 317                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 318
 319                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 320         }
 321         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 322
 323         return tag;
 324 }
 325
 326 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 327 {
 328         FolderItem *item = NULL;
 329
 330         g_return_val_if_fail(folder != NULL, NULL);
 331
 332         if (folder->klass->item_new) {
 333                 item = folder->klass->item_new(folder);
 334         } else {
 335                 item = g_new0(FolderItem, 1);
 336         }
 337
 338         g_return_val_if_fail(item != NULL, NULL);
 339
 340         item->stype = F_NORMAL;
 341         item->name = g_strdup(name);
 342         item->path = g_strdup(path);
 343         item->mtime = 0;
 344         item->new_msgs = 0;
 345         item->unread_msgs = 0;
 346         item->unreadmarked_msgs = 0;
 347         item->marked_msgs = 0;
 348         item->total_msgs = 0;
 349         item->order = 0;
 350         item->last_num = -1;
 351         item->cache = NULL;
 352         item->no_sub = FALSE;
 353         item->no_select = FALSE;
 354         item->collapsed = FALSE;
 355         item->thread_collapsed = FALSE;
 356         item->threaded  = TRUE;
 357         item->ret_rcpt  = FALSE;
 358         item->opened    = FALSE;
 359         item->node = g_node_new(item);
 360         item->folder = NULL;
 361         item->account = NULL;
 362         item->apply_sub = FALSE;
 363         item->mark_queue = NULL;
 364         item->data = NULL;
 365         item->parent_stype = -1;
 366
 367         item->sort_key = SORT_BY_DATE;
 368         item->sort_type = SORT_ASCENDING;
 369
 370         item->prefs = folder_item_prefs_new();
 371
 372         return item;
 373 }
 374
 375 void folder_item_append(FolderItem *parent, FolderItem *item)
 376 {
 377         g_return_if_fail(parent != NULL);
 378         g_return_if_fail(parent->folder != NULL);
 379         g_return_if_fail(parent->node != NULL);
 380         g_return_if_fail(item != NULL);
 381
 382         item->folder = parent->folder;
 383         g_node_append(parent->node, item->node);
 384 }
 385
 386 void folder_item_remove(FolderItem *item)
 387 {
 388         GNode *node, *start_node;
 389         FolderUpdateData hookdata;
 390
 391         g_return_if_fail(item != NULL);
 392         g_return_if_fail(item->folder != NULL);
 393         g_return_if_fail(item->folder->node != NULL);
 394
 395         start_node = node = item->node;
 396
 397         node = item->folder->node;
 398
 399         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 400         node = node->children;
 401
 402         /* remove my children */
 403         while (node != NULL) {
 404                 if (node && node->data) {
 405                         FolderItem *sub_item = (FolderItem*) node->data;
 406                         node = node->next;
 407                         folder_item_remove(sub_item);
 408                 }
 409         }
 410
 411         /* remove myself */
 412         if (item->cache != NULL) {
 413                 msgcache_destroy(item->cache);
 414                 item->cache = NULL;
 415         }
 416
 417         hookdata.folder = item->folder;
 418         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 419         hookdata.item = item;
 420         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 421
 422         node = start_node;
 423
 424         if (item->folder->node == node)
 425                 item->folder->node = NULL;
 426
 427         folder_item_destroy(item);
 428
 429         g_node_destroy(node);
 430 }
 431
 432 void folder_item_remove_children(FolderItem *item)
 433 {
 434         GNode *node, *next;
 435
 436         g_return_if_fail(item != NULL);
 437         g_return_if_fail(item->folder != NULL);
 438         g_return_if_fail(item->node != NULL);
 439
 440         node = item->node->children;
 441         while (node != NULL) {
 442                 next = node->next;
 443                 folder_item_remove(FOLDER_ITEM(node->data));
 444                 node = next;
 445         }
 446 }
 447
 448 void folder_item_destroy(FolderItem *item)
 449 {
 450         Folder *folder;
 451
 452         g_return_if_fail(item != NULL);
 453
 454         folder = item->folder;
 455         if (folder) {
 456                 if (folder->inbox == item)
 457                         folder->inbox = NULL;
 458                 else if (folder->outbox == item)
 459                         folder->outbox = NULL;
 460                 else if (folder->draft == item)
 461                         folder->draft = NULL;
 462                 else if (folder->queue == item)
 463                         folder->queue = NULL;
 464                 else if (folder->trash == item)
 465                         folder->trash = NULL;
 466         }
 467
 468         if (item->cache)
 469                 folder_item_free_cache(item, TRUE);
 470         if (item->prefs)
 471                 folder_item_prefs_free(item->prefs);
 472         g_free(item->name);
 473         g_free(item->path);
 474
 475         if (item->folder != NULL) {
 476                 if(item->folder->klass->item_destroy) {
 477                         item->folder->klass->item_destroy(item->folder, item);
 478                 } else {
 479                         g_free(item);
 480                 }
 481         }
 482 }
 483
 484 FolderItem *folder_item_parent(FolderItem *item)
 485 {
 486         g_return_val_if_fail(item != NULL, NULL);
 487         g_return_val_if_fail(item->node != NULL, NULL);
 488
 489         if (item->node->parent == NULL)
 490                 return NULL;
 491         return (FolderItem *) item->node->parent->data;
 492 }
 493
 494 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 495 {
 496         GList *cur;
 497
 498         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 499                 XMLAttr *attr = (XMLAttr *) cur->data;
 500
 501                 if (!attr || !attr->name || !attr->value) continue;
 502                 if (!strcmp(attr->name, "type")) {
 503                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 504                                 item->stype = F_NORMAL;
 505                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 506                                 item->stype = F_INBOX;
 507                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 508                                 item->stype = F_OUTBOX;
 509                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 510                                 item->stype = F_DRAFT;
 511                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 512                                 item->stype = F_QUEUE;
 513                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 514                                 item->stype = F_TRASH;
 515                 } else if (!strcmp(attr->name, "name")) {
 516                         g_free(item->name);
 517                         item->name = g_strdup(attr->value);
 518                 } else if (!strcmp(attr->name, "path")) {
 519                         g_free(item->path);
 520                         item->path = g_strdup(attr->value);
 521                 } else if (!strcmp(attr->name, "mtime"))
 522                         item->mtime = strtoul(attr->value, NULL, 10);
 523                 else if (!strcmp(attr->name, "new"))
 524                         item->new_msgs = atoi(attr->value);
 525                 else if (!strcmp(attr->name, "unread"))
 526                         item->unread_msgs = atoi(attr->value);
 527                 else if (!strcmp(attr->name, "unreadmarked"))
 528                         item->unreadmarked_msgs = atoi(attr->value);
 529                 else if (!strcmp(attr->name, "marked"))
 530                         item->marked_msgs = atoi(attr->value);
 531                 else if (!strcmp(attr->name, "order"))
 532                         item->order = atoi(attr->value);
 533                 else if (!strcmp(attr->name, "total"))
 534                         item->total_msgs = atoi(attr->value);
 535                 else if (!strcmp(attr->name, "no_sub"))
 536                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 537                 else if (!strcmp(attr->name, "no_select"))
 538                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 539                 else if (!strcmp(attr->name, "collapsed"))
 540                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 541                 else if (!strcmp(attr->name, "thread_collapsed"))
 542                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 543                 else if (!strcmp(attr->name, "threaded"))
 544                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 545                 else if (!strcmp(attr->name, "hidereadmsgs"))
 546                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 547                 else if (!strcmp(attr->name, "reqretrcpt"))
 548                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 549                 else if (!strcmp(attr->name, "sort_key")) {
 550                         if (!strcmp(attr->value, "none"))
 551                                 item->sort_key = SORT_BY_NONE;
 552                         else if (!strcmp(attr->value, "number"))
 553                                 item->sort_key = SORT_BY_NUMBER;
 554                         else if (!strcmp(attr->value, "size"))
 555                                 item->sort_key = SORT_BY_SIZE;
 556                         else if (!strcmp(attr->value, "date"))
 557                                 item->sort_key = SORT_BY_DATE;
 558                         else if (!strcmp(attr->value, "from"))
 559                                 item->sort_key = SORT_BY_FROM;
 560                         else if (!strcmp(attr->value, "subject"))
 561                                 item->sort_key = SORT_BY_SUBJECT;
 562                         else if (!strcmp(attr->value, "score"))
 563                                 item->sort_key = SORT_BY_SCORE;
 564                         else if (!strcmp(attr->value, "label"))
 565                                 item->sort_key = SORT_BY_LABEL;
 566                         else if (!strcmp(attr->value, "mark"))
 567                                 item->sort_key = SORT_BY_MARK;
 568                         else if (!strcmp(attr->value, "unread"))
 569                                 item->sort_key = SORT_BY_STATUS;
 570                         else if (!strcmp(attr->value, "mime"))
 571                                 item->sort_key = SORT_BY_MIME;
 572                         else if (!strcmp(attr->value, "to"))
 573                                 item->sort_key = SORT_BY_TO;
 574                         else if (!strcmp(attr->value, "locked"))
 575                                 item->sort_key = SORT_BY_LOCKED;
 576                 } else if (!strcmp(attr->name, "sort_type")) {
 577                         if (!strcmp(attr->value, "ascending"))
 578                                 item->sort_type = SORT_ASCENDING;
 579                         else
 580                                 item->sort_type = SORT_DESCENDING;
 581                 } else if (!strcmp(attr->name, "account_id")) {
 582                         PrefsAccount *account;
 583
 584                         account = account_find_from_id(atoi(attr->value));
 585                         if (!account)
 586                                 g_warning("account_id: %s not found\n", attr->value);
 587                         else
 588                                 item->account = account;
 589                 } else if (!strcmp(attr->name, "apply_sub"))
 590                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 591         }
 592 }
 593
 594 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 595 {
 596         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 597                                                  "draft", "queue", "trash"};
 598         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 599                                         "from", "subject", "score", "label",
 600                                         "mark", "unread", "mime", "to",
 601                                         "locked"};
 602         XMLTag *tag;
 603         gchar *value;
 604
 605         tag = xml_tag_new("folderitem");
 606
 607         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 608         if (item->name)
 609                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 610         if (item->path)
 611                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 612         if (item->no_sub)
 613                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 614         if (item->no_select)
 615                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 616         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 617         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 618         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 619         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 620         if (item->ret_rcpt)
 621                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 622
 623         if (item->sort_key != SORT_BY_NONE) {
 624                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 625                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 626         }
 627
 628         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 629         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 630         g_free(value);
 631         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 632         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 633         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 634         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 635         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 636         xml_tag_add_attr(tag, xml_attr_new_int("order", item->order));
 637
 638         if (item->account)
 639                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 640         if (item->apply_sub)
 641                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 642
 643         return tag;
 644 }
 645
 646 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 647 {
 648         g_return_if_fail(folder != NULL);
 649
 650         folder->ui_func = func;
 651         folder->ui_func_data = data;
 652 }
 653
 654 void folder_set_name(Folder *folder, const gchar *name)
 655 {
 656         g_return_if_fail(folder != NULL);
 657
 658         g_free(folder->name);
 659         folder->name = name ? g_strdup(name) : NULL;
 660         if (folder->node && folder->node->data) {
 661                 FolderItem *item = (FolderItem *)folder->node->data;
 662
 663                 g_free(item->name);
 664                 item->name = name ? g_strdup(name) : NULL;
 665         }
 666 }
 667
 668 void folder_set_sort(Folder *folder, guint sort)
 669 {
 670         g_return_if_fail(folder != NULL);
 671
 672         if (folder->sort != sort) {
 673                 folder_remove(folder);
 674                 folder->sort = sort;
 675                 folder_add(folder);
 676         }
 677 }
 678
 679 static gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 680         FolderItem *item = (FolderItem *) node->data;
 681
 682         folder_item_destroy(item);
 683         return FALSE;
 684 }
 685
 686 void folder_tree_destroy(Folder *folder)
 687 {
 688         GNode *node;
 689
 690         g_return_if_fail(folder != NULL);
 691
 692         node = folder->node;
 693
 694         prefs_filtering_clear_folder(folder);
 695
 696         if (node != NULL) {
 697                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 698                                 folder_tree_destroy_func, NULL);
 699                 g_node_destroy(node);
 700                 folder->node = NULL;
 701         }
 702 }
 703
 704 void folder_add(Folder *folder)
 705 {
 706         Folder *cur_folder;
 707         GList *cur;
 708         gint i;
 709         FolderUpdateData hookdata;
 710
 711         g_return_if_fail(folder != NULL);
 712
 713         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 714                 cur_folder = FOLDER(cur->data);
 715                 if (cur_folder->sort < folder->sort)
 716                         break;
 717         }
 718
 719         folder_list = g_list_insert(folder_list, folder, i);
 720
 721         hookdata.folder = folder;
 722         hookdata.update_flags = FOLDER_ADD_FOLDER;
 723         hookdata.item = NULL;
 724         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 725 }
 726
 727 void folder_remove(Folder *folder)
 728 {
 729         FolderUpdateData hookdata;
 730
 731         g_return_if_fail(folder != NULL);
 732
 733         folder_list = g_list_remove(folder_list, folder);
 734
 735         hookdata.folder = folder;
 736         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 737         hookdata.item = NULL;
 738         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 739 }
 740
 741 GList *folder_get_list(void)
 742 {
 743         return folder_list;
 744 }
 745
 746 gint folder_read_list(void)
 747 {
 748         GNode *node, *cur;
 749         XMLNode *xmlnode;
 750         gchar *path;
 751
 752         path = folder_get_list_path();
 753         if (!is_file_exist(path)) return -1;
 754         node = xml_parse_file(path);
 755         if (!node) return -1;
 756
 757         xmlnode = node->data;
 758         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 759                 g_warning("wrong folder list\n");
 760                 xml_free_tree(node);
 761                 return -1;
 762         }
 763
 764         cur = node->children;
 765         while (cur != NULL) {
 766                 Folder *folder;
 767
 768                 folder = folder_get_from_xml(cur);
 769                 if (folder != NULL)
 770                         folder_add(folder);
 771                 else
 772                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 773                                 (gpointer) xml_copy_tree(cur));
 774                 cur = cur->next;
 775         }
 776
 777         xml_free_tree(node);
 778         if (folder_list || folder_unloaded_list)
 779                 return 0;
 780         else
 781                 return -1;
 782 }
 783
 784 void folder_write_list(void)
 785 {
 786         GList *list;
 787         GSList *slist;
 788         Folder *folder;
 789         gchar *path;
 790         PrefFile *pfile;
 791         GNode *rootnode;
 792         XMLNode *xmlnode;
 793         XMLTag *tag;
 794
 795         path = folder_get_list_path();
 796         if ((pfile = prefs_write_open(path)) == NULL) return;
 797
 798         if (xml_file_put_xml_decl(pfile->fp) < 0) {
 799                 prefs_file_close_revert(pfile);
 800                 g_warning("failed to start write folder list.\n");
 801                 return;
 802         }
 803         tag = xml_tag_new("folderlist");
 804
 805         xmlnode = xml_node_new(tag, NULL);
 806
 807         rootnode = g_node_new(xmlnode);
 808
 809         for (list = folder_list; list != NULL; list = list->next) {
 810                 GNode *node;
 811
 812                 folder = list->data;
 813                 node = folder_get_xml_node(folder);
 814                 if (node != NULL)
 815                         g_node_append(rootnode, node);
 816         }
 817
 818         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 819                 GNode *node = (GNode *) slist->data;
 820
 821                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 822         }
 823
 824         if (xml_write_tree(rootnode, pfile->fp) < 0) {
 825                 prefs_file_close_revert(pfile);
 826                 g_warning("failed to write folder list.\n");
 827         } else if (prefs_file_close(pfile) < 0) {
 828                 g_warning("failed to write folder list.\n");
 829         }
 830         xml_free_tree(rootnode);
 831 }
 832
 833 static gboolean folder_scan_tree_func(GNode *node, gpointer data)
 834 {
 835         GHashTable *pptable = (GHashTable *)data;
 836         FolderItem *item = (FolderItem *)node->data;
 837
 838         folder_item_restore_persist_prefs(item, pptable);
 839         folder_item_scan_full(item, FALSE);
 840
 841         return FALSE;
 842 }
 843
 844 void folder_scan_tree(Folder *folder, gboolean rebuild)
 845 {
 846         GHashTable *pptable;
 847         FolderUpdateData hookdata;
 848         Folder *old_folder = folder;
 849
 850         if (!folder->klass->scan_tree)
 851                 return;
 852
 853         pptable = folder_persist_prefs_new(folder);
 854
 855         if (rebuild)
 856                 folder_remove(folder);
 857
 858         if (folder->klass->scan_tree(folder) < 0) {
 859                 if (rebuild)
 860                         folder_add(old_folder);
 861                 return;
 862         } else if (rebuild)
 863                 folder_add(folder);
 864
 865         hookdata.folder = folder;
 866         hookdata.update_flags = FOLDER_TREE_CHANGED;
 867         hookdata.item = NULL;
 868         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 869
 870         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 871         folder_persist_prefs_free(pptable);
 872
 873         prefs_matcher_read_config();
 874
 875         folder_write_list();
 876 }
 877
 878 static gboolean folder_restore_prefs_func(GNode *node, gpointer data)
 879 {
 880         GHashTable *pptable = (GHashTable *)data;
 881         FolderItem *item = (FolderItem *)node->data;
 882
 883         folder_item_restore_persist_prefs(item, pptable);
 884
 885         return FALSE;
 886 }
 887
 888 void folder_fast_scan_tree(Folder *folder)
 889 {
 890         GHashTable *pptable;
 891         FolderUpdateData hookdata;
 892
 893         if (!folder->klass->scan_tree)
 894                 return;
 895
 896         pptable = folder_persist_prefs_new(folder);
 897
 898         if (folder->klass->scan_tree(folder) < 0) {
 899                 return;
 900         }
 901
 902         hookdata.folder = folder;
 903         hookdata.update_flags = FOLDER_TREE_CHANGED;
 904         hookdata.item = NULL;
 905         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 906
 907         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_restore_prefs_func, pptable);
 908         folder_persist_prefs_free(pptable);
 909
 910         prefs_matcher_read_config();
 911
 912         folder_write_list();
 913 }
 914
 915 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 916 {
 917         FolderItem *new_item;
 918
 919         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 920         if (new_item) {
 921                 FolderUpdateData hookdata;
 922
 923                 new_item->cache = msgcache_new();
 924
 925                 hookdata.folder = new_item->folder;
 926                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 927                 hookdata.item = new_item;
 928                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 929         }
 930
 931         return new_item;
 932 }
 933
 934 gint folder_item_rename(FolderItem *item, gchar *newname)
 935 {
 936         gint retval;
 937
 938         g_return_val_if_fail(item != NULL, -1);
 939         g_return_val_if_fail(newname != NULL, -1);
 940
 941         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 942
 943         if (retval >= 0) {
 944                 FolderItemUpdateData hookdata;
 945                 FolderUpdateData hookdata2;
 946
 947                 hookdata.item = item;
 948                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 949                 hookdata.msg = NULL;
 950                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 951
 952                 hookdata2.folder = item->folder;
 953                 hookdata2.item = item;
 954                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
 955                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
 956         }
 957
 958         return retval;
 959 }
 960
 961 struct TotalMsgCount
 962 {
 963         guint new_msgs;
 964         guint unread_msgs;
 965         guint unreadmarked_msgs;
 966         guint marked_msgs;
 967         guint total_msgs;
 968 };
 969
 970 struct FuncToAllFoldersData
 971 {
 972         FolderItemFunc  function;
 973         gpointer        data;
 974 };
 975
 976 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 977 {
 978         FolderItem *item;
 979         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 980
 981         g_return_val_if_fail(node->data != NULL, FALSE);
 982
 983         item = FOLDER_ITEM(node->data);
 984         g_return_val_if_fail(item != NULL, FALSE);
 985
 986         function_data->function(item, function_data->data);
 987
 988         return FALSE;
 989 }
 990
 991 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 992 {
 993         GList *list;
 994         Folder *folder;
 995         struct FuncToAllFoldersData function_data;
 996
 997         function_data.function = function;
 998         function_data.data = data;
 999
1000         for (list = folder_list; list != NULL; list = list->next) {
1001                 folder = FOLDER(list->data);
1002                 if (folder->node)
1003                         g_node_traverse(folder->node, G_PRE_ORDER,
1004                                         G_TRAVERSE_ALL, -1,
1005                                         folder_func_to_all_folders_func,
1006                                         &function_data);
1007         }
1008 }
1009
1010 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
1011 {
1012         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
1013
1014         count->new_msgs += item->new_msgs;
1015         count->unread_msgs += item->unread_msgs;
1016         count->unreadmarked_msgs += item->unreadmarked_msgs;
1017         count->marked_msgs += item->marked_msgs;
1018         count->total_msgs += item->total_msgs;
1019 }
1020
1021 struct TotalMsgStatus
1022 {
1023         guint new;
1024         guint unread;
1025         guint total;
1026         GString *str;
1027 };
1028
1029 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
1030 {
1031         FolderItem *item;
1032         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
1033         gchar *id;
1034
1035         g_return_val_if_fail(node->data != NULL, FALSE);
1036
1037         item = FOLDER_ITEM(node->data);
1038
1039         if (!item->path) return FALSE;
1040
1041         status->new += item->new_msgs;
1042         status->unread += item->unread_msgs;
1043         status->total += item->total_msgs;
1044
1045         if (status->str) {
1046                 id = folder_item_get_identifier(item);
1047                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
1048                                   item->new_msgs, item->unread_msgs,
1049                                   item->total_msgs, id);
1050                 g_free(id);
1051         }
1052
1053         return FALSE;
1054  }
1055
1056 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
1057                                        guint *total)
1058 {
1059         GList *list;
1060         Folder *folder;
1061         struct TotalMsgStatus status;
1062
1063         status.new = status.unread = status.total = 0;
1064         status.str = str;
1065
1066         debug_print("Counting total number of messages...\n");
1067
1068         for (list = folder_list; list != NULL; list = list->next) {
1069                 folder = FOLDER(list->data);
1070                 if (folder->node)
1071                         g_node_traverse(folder->node, G_PRE_ORDER,
1072                                         G_TRAVERSE_ALL, -1,
1073                                         folder_get_status_full_all_func,
1074                                         &status);
1075         }
1076
1077         *new = status.new;
1078         *unread = status.unread;
1079         *total = status.total;
1080 }
1081
1082 gchar *folder_get_status(GPtrArray *folders, gboolean full)
1083 {
1084         guint new, unread, total;
1085         GString *str;
1086         gint i;
1087         gchar *ret;
1088
1089         new = unread = total = 0;
1090
1091         str = g_string_new(NULL);
1092
1093         if (folders) {
1094                 for (i = 0; i < folders->len; i++) {
1095                         FolderItem *item;
1096
1097                         item = g_ptr_array_index(folders, i);
1098                         new += item->new_msgs;
1099                         unread += item->unread_msgs;
1100                         total += item->total_msgs;
1101
1102                         if (full) {
1103                                 gchar *id;
1104
1105                                 id = folder_item_get_identifier(item);
1106                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1107                                                   item->new_msgs, item->unread_msgs,
1108                                                   item->total_msgs, id);
1109                                 g_free(id);
1110                         }
1111                 }
1112         } else {
1113                 folder_get_status_full_all(full ? str : NULL,
1114                                            &new, &unread, &total);
1115         }
1116
1117         if (full)
1118                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1119         else
1120                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1121
1122         ret = str->str;
1123         g_string_free(str, FALSE);
1124
1125         return ret;
1126 }
1127
1128 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1129                              guint *unreadmarked_msgs, guint *marked_msgs,
1130                              guint *total_msgs)
1131 {
1132         struct TotalMsgCount count;
1133
1134         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
1135
1136         debug_print("Counting total number of messages...\n");
1137
1138         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1139
1140         *new_msgs = count.new_msgs;
1141         *unread_msgs = count.unread_msgs;
1142         *unreadmarked_msgs = count.unreadmarked_msgs;
1143         *marked_msgs = count.marked_msgs;
1144         *total_msgs = count.total_msgs;
1145 }
1146
1147 Folder *folder_find_from_path(const gchar *path)
1148 {
1149         GList *list;
1150         Folder *folder;
1151
1152         for (list = folder_list; list != NULL; list = list->next) {
1153                 folder = list->data;
1154                 if ((FOLDER_TYPE(folder) == F_MH ||
1155                      FOLDER_TYPE(folder) == F_MBOX) &&
1156                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1157                         return folder;
1158         }
1159
1160         return NULL;
1161 }
1162
1163 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1164 {
1165         GList *list;
1166         Folder *folder;
1167
1168         for (list = folder_list; list != NULL; list = list->next) {
1169                 folder = list->data;
1170                 if (folder->klass == klass &&
1171                     strcmp2(name, folder->name) == 0)
1172                         return folder;
1173         }
1174
1175         return NULL;
1176 }
1177
1178 static gboolean folder_item_find_func(GNode *node, gpointer data)
1179 {
1180         FolderItem *item = node->data;
1181         gpointer *d = data;
1182         const gchar *path = d[0];
1183
1184         if (path_cmp(path, item->path) != 0)
1185                 return FALSE;
1186
1187         d[1] = item;
1188
1189         return TRUE;
1190 }
1191
1192 FolderItem *folder_find_item_from_path(const gchar *path)
1193 {
1194         Folder *folder;
1195         gpointer d[2];
1196         GList *list = folder_get_list();
1197
1198         folder = list ? list->data:NULL;
1199
1200         g_return_val_if_fail(folder != NULL, NULL);
1201
1202         d[0] = (gpointer)path;
1203         d[1] = NULL;
1204         while (d[1] == NULL && list) {
1205                 folder = FOLDER(list->data);
1206                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1207                         folder_item_find_func, d);
1208                 list = list->next;
1209         }
1210         return d[1];
1211 }
1212
1213 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1214 {
1215         GNode *node;
1216         FolderItem *child;
1217
1218         for (node = item->node->children; node != NULL; node = node->next) {
1219                 gchar *base;
1220                 child = FOLDER_ITEM(node->data);
1221                 base = g_path_get_basename(child->path);
1222                 if (strcmp2(base, name) == 0) {
1223                         g_free(base);
1224                         return child;
1225                 }
1226                 g_free(base);
1227         }
1228
1229         return NULL;
1230 }
1231
1232 FolderClass *folder_get_class_from_string(const gchar *str)
1233 {
1234         GSList *classlist;
1235
1236         classlist = folder_get_class_list();
1237         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1238                 FolderClass *class = (FolderClass *) classlist->data;
1239                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1240                         return class;
1241         }
1242
1243         return NULL;
1244 }
1245
1246 static gchar *folder_get_identifier(Folder *folder)
1247 {
1248         gchar *type_str;
1249
1250         g_return_val_if_fail(folder != NULL, NULL);
1251
1252         type_str = folder->klass->idstr;
1253         return g_strconcat("#", type_str, "/", folder->name, NULL);
1254 }
1255
1256 gchar *folder_item_get_identifier(FolderItem *item)
1257 {
1258         gchar *id = NULL;
1259         gchar *folder_id = NULL;
1260
1261         g_return_val_if_fail(item != NULL, NULL);
1262
1263         if (item->path == NULL)
1264                 return NULL;
1265
1266         folder_id = folder_get_identifier(item->folder);
1267         id = g_strconcat(folder_id, "/", item->path, NULL);
1268         g_free(folder_id);
1269
1270         return id;
1271 }
1272
1273 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1274 {
1275         Folder *folder;
1276         gpointer d[2];
1277         gchar *str;
1278         gchar *p;
1279         gchar *name;
1280         gchar *path;
1281         FolderClass *class;
1282
1283         g_return_val_if_fail(identifier != NULL, NULL);
1284
1285         if (*identifier != '#')
1286                 return folder_find_item_from_path(identifier);
1287
1288         Xstrdup_a(str, identifier, return NULL);
1289
1290         p = strchr(str, '/');
1291         if (!p)
1292                 return folder_find_item_from_path(identifier);
1293         *p = '\0';
1294         p++;
1295         class = folder_get_class_from_string(&str[1]);
1296         if (class == NULL)
1297                 return folder_find_item_from_path(identifier);
1298
1299         name = p;
1300         p = strchr(p, '/');
1301         if (!p)
1302                 return folder_find_item_from_path(identifier);
1303         *p = '\0';
1304         p++;
1305
1306         folder = folder_find_from_name(name, class);
1307         if (!folder)
1308                 return folder_find_item_from_path(identifier);
1309
1310         path = p;
1311
1312         d[0] = (gpointer)path;
1313         d[1] = NULL;
1314         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1315                         folder_item_find_func, d);
1316         return d[1];
1317 }
1318
1319 /**
1320  * Get a displayable name for a FolderItem
1321  *
1322  * \param item FolderItem for that a name should be created
1323  * \return Displayable name for item, returned string has to
1324  *         be freed
1325  */
1326 gchar *folder_item_get_name(FolderItem *item)
1327 {
1328         gchar *name = NULL;
1329
1330         g_return_val_if_fail(item != NULL, g_strdup(""));
1331
1332         switch (item->stype) {
1333         case F_INBOX:
1334                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1335                                 item->name);
1336                 break;
1337         case F_OUTBOX:
1338                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1339                                 item->name);
1340                 break;
1341         case F_QUEUE:
1342                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1343                                 item->name);
1344                 break;
1345         case F_TRASH:
1346                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1347                                 item->name);
1348                 break;
1349         case F_DRAFT:
1350                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1351                                 item->name);
1352                 break;
1353         default:
1354                 break;
1355         }
1356
1357         if (name == NULL) {
1358                 /*
1359                  * should probably be done by a virtual function,
1360                  * the folder knows the ui string and how to abbrev
1361                 */
1362                 if (folder_item_parent(item) == NULL) {
1363                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1364                 } else {
1365                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1366                             item->path && !strcmp2(item->name, item->path))
1367                                 name = get_abbrev_newsgroup_name
1368                                         (item->path,
1369                                          prefs_common.ng_abbrev_len);
1370                         else
1371                                 name = g_strdup(item->name);
1372                 }
1373         }
1374
1375         if (name == NULL)
1376                 name = g_strdup("");
1377
1378         return name;
1379 }
1380
1381 gboolean folder_have_mailbox (void)
1382 {
1383         GList *cur;
1384         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1385                 Folder *folder = FOLDER(cur->data);
1386                 if (folder->inbox && folder->outbox)
1387                         return TRUE;
1388         }
1389         return FALSE;
1390 }
1391
1392 FolderItem *folder_get_default_inbox(void)
1393 {
1394         GList *flist;
1395
1396         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1397                 Folder * folder = FOLDER(flist->data);
1398
1399                 if (folder == NULL)
1400                         continue;
1401                 if (folder->inbox == NULL)
1402                         continue;
1403                 if (folder->klass->type == F_UNKNOWN)
1404                         continue;
1405
1406                 return folder->inbox;
1407         }
1408
1409         return NULL;
1410 }
1411
1412 FolderItem *folder_get_default_inbox_for_class(FolderType type)
1413 {
1414         GList *flist;
1415
1416         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1417                 Folder * folder = FOLDER(flist->data);
1418
1419                 if (folder == NULL)
1420                         continue;
1421                 if (folder->inbox == NULL)
1422                         continue;
1423                 if (folder->klass->type != type)
1424                         continue;
1425
1426                 return folder->inbox;
1427         }
1428
1429         return NULL;
1430 }
1431
1432 FolderItem *folder_get_default_outbox(void)
1433 {
1434         GList *flist;
1435
1436         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1437                 Folder * folder = FOLDER(flist->data);
1438
1439                 if (folder == NULL)
1440                         continue;
1441                 if (folder->outbox == NULL)
1442                         continue;
1443                 if (folder->klass->type == F_UNKNOWN)
1444                         continue;
1445
1446                 return folder->outbox;
1447         }
1448
1449         return NULL;
1450 }
1451
1452 FolderItem *folder_get_default_draft(void)
1453 {
1454         GList *flist;
1455
1456         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1457                 Folder * folder = FOLDER(flist->data);
1458
1459                 if (folder == NULL)
1460                         continue;
1461                 if (folder->draft == NULL)
1462                         continue;
1463                 if (folder->klass->type == F_UNKNOWN)
1464                         continue;
1465
1466                 return folder->draft;
1467         }
1468
1469         return NULL;
1470 }
1471
1472 FolderItem *folder_get_default_queue(void)
1473 {
1474         GList *flist;
1475
1476         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1477                 Folder * folder = FOLDER(flist->data);
1478
1479                 if (folder == NULL)
1480                         continue;
1481                 if (folder->queue == NULL)
1482                         continue;
1483                 if (folder->klass->type == F_UNKNOWN)
1484                         continue;
1485
1486                 return folder->queue;
1487         }
1488
1489         return NULL;
1490 }
1491
1492 FolderItem *folder_get_default_trash(void)
1493 {
1494         GList *flist;
1495
1496         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1497                 Folder * folder = FOLDER(flist->data);
1498
1499                 if (folder == NULL)
1500                         continue;
1501                 if (folder->trash == NULL)
1502                         continue;
1503                 if (folder->klass->type == F_UNKNOWN)
1504                         continue;
1505
1506                 return folder->trash;
1507         }
1508
1509         return NULL;
1510 }
1511
1512 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1513 {                                                               \
1514         if (!folder->member) {                                  \
1515                 item = folder_item_new(folder, dir, dir);       \
1516                 item->stype = type;                             \
1517                 folder_item_append(rootitem, item);             \
1518                 folder->member = item;                          \
1519         }                                                       \
1520 }
1521
1522 void folder_set_missing_folders(void)
1523 {
1524         Folder *folder;
1525         FolderItem *rootitem;
1526         FolderItem *item;
1527         GList *list;
1528
1529         for (list = folder_list; list != NULL; list = list->next) {
1530                 folder = list->data;
1531                 if (FOLDER_TYPE(folder) != F_MH) continue;
1532                 rootitem = FOLDER_ITEM(folder->node->data);
1533                 g_return_if_fail(rootitem != NULL);
1534
1535                 if (folder->inbox && folder->outbox && folder->draft &&
1536                     folder->queue && folder->trash)
1537                         continue;
1538
1539                 if (folder->klass->create_tree(folder) < 0) {
1540                         g_warning("%s: can't create the folder tree.\n",
1541                                   LOCAL_FOLDER(folder)->rootpath);
1542                         continue;
1543                 }
1544
1545                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1546                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1547                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1548                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1549                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1550         }
1551 }
1552
1553 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1554 {
1555         FolderItem *item = node->data;
1556         PrefsAccount *account = data;
1557
1558         if (item->account == account)
1559                 item->account = NULL;
1560
1561         return FALSE;
1562 }
1563
1564 void folder_unref_account_all(PrefsAccount *account)
1565 {
1566         Folder *folder;
1567         GList *list;
1568
1569         if (!account) return;
1570
1571         for (list = folder_list; list != NULL; list = list->next) {
1572                 folder = list->data;
1573                 if (folder->account == account)
1574                         folder->account = NULL;
1575                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1576                                 folder_unref_account_func, account);
1577         }
1578 }
1579
1580 #undef CREATE_FOLDER_IF_NOT_EXIST
1581
1582 gchar *folder_item_get_path(FolderItem *item)
1583 {
1584         Folder *folder;
1585
1586         g_return_val_if_fail(item != NULL, NULL);
1587         folder = item->folder;
1588         g_return_val_if_fail(folder != NULL, NULL);
1589
1590         return folder->klass->item_get_path(folder, item);
1591 }
1592
1593 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1594 {
1595         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1596               folder_has_parent_of_type(dest, F_QUEUE)  ||
1597               folder_has_parent_of_type(dest, F_DRAFT) ||
1598               folder_has_parent_of_type(dest, F_TRASH))) {
1599                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1600         } else {
1601                 flags->perm_flags = 0;
1602         }
1603         if (FOLDER_TYPE(dest->folder) == F_MH) {
1604                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1605                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1606                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1607                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1608                 }
1609         }
1610 }
1611
1612 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1613 {
1614         MsgInfo *msginfo_a = (MsgInfo *) a;
1615         MsgInfo *msginfo_b = (MsgInfo *) b;
1616
1617         return (msginfo_a->msgnum - msginfo_b->msgnum);
1618 }
1619
1620 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1621 {
1622         guint gint_a = GPOINTER_TO_INT(a);
1623         guint gint_b = GPOINTER_TO_INT(b);
1624
1625         return (gint_a - gint_b);
1626 }
1627
1628 void folder_item_process_open (FolderItem *item,
1629                                  void (*before_proc_func)(gpointer data),
1630                                  void (*after_proc_func)(gpointer data),
1631                                  gpointer data)
1632 {
1633         gchar *buf;
1634         if (item == NULL)
1635                 return;
1636         if((item->folder->klass->scan_required != NULL) &&
1637            (item->folder->klass->scan_required(item->folder, item))) {
1638                 folder_item_scan_full(item, TRUE);
1639         } else {
1640                 folder_item_syncronize_flags(item);
1641         }
1642
1643         /* Processing */
1644         buf = g_strdup_printf(_("Processing (%s)...\n"),
1645                               item->path ? item->path : item->name);
1646         g_free(buf);
1647
1648         if (before_proc_func)
1649                 before_proc_func(data);
1650
1651         folder_item_apply_processing(item);
1652
1653         if (after_proc_func)
1654                 after_proc_func(data);
1655
1656         item->processing_pending = FALSE;
1657         return;
1658 }
1659
1660 gint folder_item_open(FolderItem *item)
1661 {
1662         START_TIMING("");
1663         if (item->no_select)
1664                 return -1;
1665
1666         if (item->scanning) {
1667                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
1668                 return -2;
1669         }
1670
1671         item->processing_pending = TRUE;
1672         folder_item_process_open (item, NULL, NULL, NULL);
1673
1674         item->opened = TRUE;
1675         END_TIMING();
1676         return 0;
1677 }
1678
1679 gint folder_item_close(FolderItem *item)
1680 {
1681         GSList *mlist, *cur;
1682         Folder *folder;
1683
1684         g_return_val_if_fail(item != NULL, -1);
1685
1686         if (item->no_select)
1687                 return -1;
1688
1689         if (item->new_msgs) {
1690                 folder_item_update_freeze();
1691                 mlist = folder_item_get_msg_list(item);
1692                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1693                         MsgInfo * msginfo;
1694
1695                         msginfo = (MsgInfo *) cur->data;
1696                         if (MSG_IS_NEW(msginfo->flags))
1697                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1698                         procmsg_msginfo_free(msginfo);
1699                 }
1700                 g_slist_free(mlist);
1701                 folder_item_update_thaw();
1702         }
1703
1704         folder_item_write_cache(item);
1705
1706         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1707
1708         item->opened = FALSE;
1709         folder = item->folder;
1710
1711         if (folder->klass->close == NULL)
1712                 return 0;
1713
1714         return folder->klass->close(folder, item);
1715 }
1716
1717 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1718 {
1719         MsgInfoList *msglist = NULL;
1720         Folder *folder = item->folder;
1721         if (item->no_select)
1722                 return NULL;
1723
1724         if (folder->klass->get_msginfos != NULL)
1725                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1726         else {
1727                 MsgNumberList *elem;
1728
1729                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1730                         MsgInfo *msginfo;
1731                         guint num;
1732
1733                         num = GPOINTER_TO_INT(elem->data);
1734                         msginfo = folder->klass->get_msginfo(folder, item, num);
1735                         if (msginfo != NULL)
1736                                 msglist = g_slist_prepend(msglist, msginfo);
1737                 }
1738         }
1739
1740         return msglist;
1741 }
1742
1743 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1744 {
1745         MsgNumberList numlist;
1746         MsgInfoList *msglist;
1747         MsgInfo *msginfo = NULL;
1748
1749         numlist.data = GINT_TO_POINTER(num);
1750         numlist.next = NULL;
1751         msglist = get_msginfos(item, &numlist);
1752         if (msglist != NULL)
1753                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1754         procmsg_msg_list_free(msglist);
1755
1756         return msginfo;
1757 }
1758
1759 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1760 {
1761         GRelation *relation;
1762         gint ret = 0;
1763         GSList *cur;
1764
1765         if(msglist == NULL)
1766                 return 0;
1767         if(item->folder->klass->get_flags == NULL)
1768                 return 0;
1769         if (item->no_select)
1770                 return 0;
1771
1772         relation = g_relation_new(2);
1773         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1774         folder_item_set_batch(item, TRUE);
1775         if ((ret = item->folder->klass->get_flags(
1776             item->folder, item, msglist, relation)) == 0) {
1777                 GTuples *tuples;
1778                 MsgInfo *msginfo;
1779                 MsgPermFlags permflags = 0;
1780                 gboolean skip;
1781
1782                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1783                         msginfo = (MsgInfo *) cur->data;
1784
1785                         tuples = g_relation_select(relation, msginfo, 0);
1786                         skip = tuples->len < 1;
1787                         if (!skip)
1788                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1789                         g_tuples_destroy(tuples);
1790                         if (skip)
1791                                 continue;
1792
1793                         if (msginfo->flags.perm_flags != permflags) {
1794                                 procmsg_msginfo_change_flags(msginfo,
1795                                         permflags & ~msginfo->flags.perm_flags, 0,
1796                                         ~permflags & msginfo->flags.perm_flags, 0);
1797                         }
1798                 }
1799         }
1800         folder_item_set_batch(item, FALSE);
1801         g_relation_destroy(relation);
1802
1803         return ret;
1804 }
1805
1806 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1807 {
1808         Folder *folder;
1809         GSList *folder_list = NULL, *cache_list = NULL;
1810         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1811         GSList *exists_list = NULL, *elem;
1812         GSList *newmsg_list = NULL;
1813         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1814         guint markedcnt = 0, unreadmarkedcnt = 0;
1815         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1816         gboolean update_flags = 0, old_uids_valid = FALSE;
1817         GHashTable *subject_table = NULL;
1818
1819         g_return_val_if_fail(item != NULL, -1);
1820         if (item->path == NULL) return -1;
1821
1822         folder = item->folder;
1823
1824         g_return_val_if_fail(folder != NULL, -1);
1825         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1826
1827         item->scanning = TRUE;
1828
1829         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1830
1831         /* Get list of messages for folder and cache */
1832         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1833                 debug_print("Error fetching list of message numbers\n");
1834                 item->scanning = FALSE;
1835                 return(-1);
1836         }
1837
1838         if(prefs_common.thread_by_subject) {
1839                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1840         }
1841
1842         if (old_uids_valid) {
1843                 if (!item->cache)
1844                         folder_item_read_cache(item);
1845                 cache_list = msgcache_get_msg_list(item->cache);
1846         } else {
1847                 if (item->cache)
1848                         msgcache_destroy(item->cache);
1849                 item->cache = msgcache_new();
1850                 cache_list = NULL;
1851         }
1852
1853         /* Sort both lists */
1854         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1855         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1856
1857         cache_list_cur = cache_list;
1858         folder_list_cur = folder_list;
1859
1860         if (cache_list_cur != NULL) {
1861                 GSList *cache_list_last;
1862
1863                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1864                 cache_list_last = g_slist_last(cache_list);
1865                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1866         } else {
1867                 cache_cur_num = G_MAXINT;
1868                 cache_max_num = 0;
1869         }
1870
1871         if (folder_list_cur != NULL) {
1872                 GSList *folder_list_last;
1873
1874                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1875                 folder_list_last = g_slist_last(folder_list);
1876                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1877         } else {
1878                 folder_cur_num = G_MAXINT;
1879                 folder_max_num = 0;
1880         }
1881
1882         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1883                 /*
1884                  *  Message only exists in the folder
1885                  *  Remember message for fetching
1886                  */
1887                 if (folder_cur_num < cache_cur_num) {
1888                         gboolean add = FALSE;
1889
1890                         switch(FOLDER_TYPE(folder)) {
1891                                 case F_NEWS:
1892                                         if (folder_cur_num < cache_max_num)
1893                                                 break;
1894
1895                                         if (folder->account->max_articles == 0) {
1896                                                 add = TRUE;
1897                                         }
1898
1899                                         if (folder_max_num <= folder->account->max_articles) {
1900                                                 add = TRUE;
1901                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1902                                                 add = TRUE;
1903                                         }
1904                                         break;
1905                                 default:
1906                                         add = TRUE;
1907                                         break;
1908                         }
1909
1910                         if (add) {
1911                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1912                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1913                         }
1914
1915                         /* Move to next folder number */
1916                         folder_list_cur = folder_list_cur->next;
1917
1918                         if (folder_list_cur != NULL)
1919                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1920                         else
1921                                 folder_cur_num = G_MAXINT;
1922
1923                         continue;
1924                 }
1925
1926                 /*
1927                  *  Message only exists in the cache
1928                  *  Remove the message from the cache
1929                  */
1930                 if (cache_cur_num < folder_cur_num) {
1931                         msgcache_remove_msg(item->cache, cache_cur_num);
1932                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1933
1934                         /* Move to next cache number */
1935                         cache_list_cur = cache_list_cur->next;
1936
1937                         if (cache_list_cur != NULL)
1938                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1939                         else
1940                                 cache_cur_num = G_MAXINT;
1941
1942                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1943
1944                         continue;
1945                 }
1946
1947                 /*
1948                  *  Message number exists in folder and cache!
1949                  *  Check if the message has been modified
1950                  */
1951                 if (cache_cur_num == folder_cur_num) {
1952                         MsgInfo *msginfo;
1953
1954                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1955                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1956                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1957                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1958                                 procmsg_msginfo_free(msginfo);
1959
1960                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1961                         } else {
1962                                 exists_list = g_slist_prepend(exists_list, msginfo);
1963
1964                                 if(prefs_common.thread_by_subject &&
1965                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1966                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1967                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1968                                 }
1969                         }
1970
1971                         /* Move to next folder and cache number */
1972                         cache_list_cur = cache_list_cur->next;
1973                         folder_list_cur = folder_list_cur->next;
1974
1975                         if (cache_list_cur != NULL)
1976                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1977                         else
1978                                 cache_cur_num = G_MAXINT;
1979
1980                         if (folder_list_cur != NULL)
1981                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1982                         else
1983                                 folder_cur_num = G_MAXINT;
1984
1985                         continue;
1986                 }
1987         }
1988
1989         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1990                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1991
1992         g_slist_free(cache_list);
1993         g_slist_free(folder_list);
1994
1995         if (new_list != NULL) {
1996                 GSList *tmp_list = NULL;
1997                 newmsg_list = get_msginfos(item, new_list);
1998                 g_slist_free(new_list);
1999                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
2000                 syncronize_flags(item, tmp_list);
2001                 g_slist_free(tmp_list);
2002         } else {
2003                 syncronize_flags(item, exists_list);
2004         }
2005
2006         folder_item_update_freeze();
2007         if (newmsg_list != NULL) {
2008                 GSList *elem, *to_filter = NULL;
2009                 gboolean do_filter = (filtering == TRUE) &&
2010                                         (item->stype == F_INBOX) &&
2011                                         (item->folder->account != NULL) &&
2012                                         (item->folder->account->filter_on_recv);
2013
2014                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
2015                         MsgInfo *msginfo = (MsgInfo *) elem->data;
2016
2017                         msgcache_add_msg(item->cache, msginfo);
2018                         if (!do_filter) {
2019                                 exists_list = g_slist_prepend(exists_list, msginfo);
2020
2021                                 if(prefs_common.thread_by_subject &&
2022                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2023                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2024                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2025                                 }
2026                         }
2027                 }
2028
2029                 if (do_filter) {
2030                         GSList *unfiltered;
2031                         procmsg_msglist_filter(newmsg_list, item->folder->account,
2032                                         &to_filter, &unfiltered,
2033                                         TRUE);
2034
2035                         filtering_move_and_copy_msgs(newmsg_list);
2036                         if (to_filter != NULL) {
2037                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
2038                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2039                                         procmsg_msginfo_free(msginfo);
2040                                 }
2041                                 g_slist_free(to_filter);
2042                         }
2043                         if (unfiltered != NULL) {
2044                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
2045                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2046                                         exists_list = g_slist_prepend(exists_list, msginfo);
2047
2048                                         if(prefs_common.thread_by_subject &&
2049                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2050                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
2051                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
2052                                         }
2053                                 }
2054                                 g_slist_free(unfiltered);
2055                         }
2056                         if (prefs_common.real_time_sync)
2057                                 folder_item_synchronise(item);
2058                 } else {
2059                         if (prefs_common.real_time_sync)
2060                                 folder_item_synchronise(item);
2061                 }
2062
2063                 g_slist_free(newmsg_list);
2064
2065                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2066         }
2067
2068         folder_item_set_batch(item, TRUE);
2069         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
2070                 MsgInfo *msginfo, *parent_msginfo;
2071
2072                 msginfo = elem->data;
2073                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2074                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2075                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2076                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2077                 }
2078                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2079                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2080                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2081                 {
2082                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2083                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2084                                                 MSG_NEW | MSG_UNREAD, 0);
2085                         }
2086                 }
2087                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2088                      folder_has_parent_of_type(item, F_QUEUE)  ||
2089                      folder_has_parent_of_type(item, F_DRAFT)  ||
2090                      folder_has_parent_of_type(item, F_TRASH)) &&
2091                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2092                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2093                 if (MSG_IS_NEW(msginfo->flags))
2094                         newcnt++;
2095                 if (MSG_IS_UNREAD(msginfo->flags))
2096                         unreadcnt++;
2097                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2098                         unreadmarkedcnt++;
2099                 if (MSG_IS_MARKED(msginfo->flags))
2100                         markedcnt++;
2101
2102                 totalcnt++;
2103
2104                 procmsg_msginfo_free(msginfo);
2105         }
2106         folder_item_set_batch(item, FALSE);
2107         g_slist_free(exists_list);
2108
2109         if(prefs_common.thread_by_subject) {
2110                 g_hash_table_destroy(subject_table);
2111         }
2112
2113         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2114         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2115         ||  item->unreadmarked_msgs != unreadmarkedcnt) {
2116                 update_flags |= F_ITEM_UPDATE_CONTENT;
2117         }
2118
2119         item->new_msgs = newcnt;
2120         item->unread_msgs = unreadcnt;
2121         item->total_msgs = totalcnt;
2122         item->unreadmarked_msgs = unreadmarkedcnt;
2123         item->marked_msgs = markedcnt;
2124
2125         update_flags |= F_ITEM_UPDATE_MSGCNT;
2126
2127         folder_item_update(item, update_flags);
2128         folder_item_update_thaw();
2129
2130         item->scanning = FALSE;
2131
2132         return 0;
2133 }
2134
2135 gint folder_item_scan(FolderItem *item)
2136 {
2137         return folder_item_scan_full(item, TRUE);
2138 }
2139
2140 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
2141                                           gpointer data)
2142 {
2143         folder_item_scan(FOLDER_ITEM(key));
2144 }
2145
2146 void folder_item_scan_foreach(GHashTable *table)
2147 {
2148         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
2149 }
2150
2151 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2152 {
2153         gint *memusage = (gint *)data;
2154
2155         if (item->cache == NULL)
2156                 return;
2157
2158         *memusage += msgcache_get_memory_usage(item->cache);
2159 }
2160
2161 gint folder_item_syncronize_flags(FolderItem *item)
2162 {
2163         MsgInfoList *msglist = NULL;
2164         GSList *cur;
2165         gint ret = 0;
2166
2167         g_return_val_if_fail(item != NULL, -1);
2168         g_return_val_if_fail(item->folder != NULL, -1);
2169         g_return_val_if_fail(item->folder->klass != NULL, -1);
2170         if (item->no_select)
2171                 return -1;
2172
2173         item->scanning = TRUE;
2174
2175         if (item->cache == NULL)
2176                 folder_item_read_cache(item);
2177
2178         msglist = msgcache_get_msg_list(item->cache);
2179
2180         ret = syncronize_flags(item, msglist);
2181
2182         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
2183                 procmsg_msginfo_free((MsgInfo *) cur->data);
2184
2185         g_slist_free(msglist);
2186
2187         item->scanning = FALSE;
2188
2189         return ret;
2190 }
2191
2192 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2193 {
2194         FolderItem *fa = (FolderItem *)a;
2195         FolderItem *fb = (FolderItem *)b;
2196
2197         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2198 }
2199
2200 static void folder_find_expired_caches(FolderItem *item, gpointer data)
2201 {
2202         GSList **folder_item_list = (GSList **)data;
2203         gint difftime, expiretime;
2204
2205         if (item->cache == NULL)
2206                 return;
2207
2208         if (item->opened > 0)
2209                 return;
2210
2211         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2212         expiretime = prefs_common.cache_min_keep_time * 60;
2213         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2214
2215         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2216                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2217         }
2218 }
2219
2220 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2221 {
2222         g_return_val_if_fail(item != NULL, TRUE);
2223
2224         if (item->cache == NULL)
2225                 return TRUE;
2226
2227         if (item->opened > 0 && !force)
2228                 return FALSE;
2229
2230         folder_item_write_cache(item);
2231         msgcache_destroy(item->cache);
2232         item->cache = NULL;
2233         return TRUE;
2234 }
2235
2236 void folder_clean_cache_memory_force(void)
2237 {
2238         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2239         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2240
2241         prefs_common.cache_max_mem_usage = 0;
2242         prefs_common.cache_min_keep_time = 0;
2243
2244         folder_clean_cache_memory(NULL);
2245
2246         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2247         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2248 }
2249
2250 void folder_clean_cache_memory(FolderItem *protected_item)
2251 {
2252         gint memusage = 0;
2253
2254         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2255         debug_print("Total cache memory usage: %d\n", memusage);
2256
2257         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2258                 GSList *folder_item_list = NULL, *listitem;
2259
2260                 debug_print("Trying to free cache memory\n");
2261
2262                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2263                 listitem = folder_item_list;
2264                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2265                         FolderItem *item = (FolderItem *)(listitem->data);
2266                         gint cache_size = 0;
2267                         if (item == protected_item) {
2268                                 listitem = listitem->next;
2269                                 continue;
2270                         }
2271                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2272                         cache_size = msgcache_get_memory_usage(item->cache);
2273                         if (folder_item_free_cache(item, FALSE))
2274                                 memusage -= cache_size;
2275
2276                         listitem = listitem->next;
2277                 }
2278                 g_slist_free(folder_item_list);
2279         }
2280 }
2281
2282 static void folder_item_read_cache(FolderItem *item)
2283 {
2284         gchar *cache_file, *mark_file;
2285         START_TIMING("");
2286         g_return_if_fail(item != NULL);
2287
2288         if (item->path != NULL) {
2289                 cache_file = folder_item_get_cache_file(item);
2290                 mark_file = folder_item_get_mark_file(item);
2291                 item->cache = msgcache_read_cache(item, cache_file);
2292                 if (!item->cache) {
2293                         MsgInfoList *list, *cur;
2294                         guint newcnt = 0, unreadcnt = 0;
2295                         guint markedcnt = 0, unreadmarkedcnt = 0;
2296                         MsgInfo *msginfo;
2297
2298                         item->cache = msgcache_new();
2299                         folder_item_scan_full(item, TRUE);
2300
2301                         msgcache_read_mark(item->cache, mark_file);
2302
2303                         list = msgcache_get_msg_list(item->cache);
2304                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2305                                 msginfo = cur->data;
2306
2307                                 if (MSG_IS_NEW(msginfo->flags))
2308                                         newcnt++;
2309                                 if (MSG_IS_UNREAD(msginfo->flags))
2310                                         unreadcnt++;
2311                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2312                                         unreadmarkedcnt++;
2313                                 if (MSG_IS_MARKED(msginfo->flags))
2314                                         markedcnt++;
2315                         }
2316                         item->new_msgs = newcnt;
2317                         item->unread_msgs = unreadcnt;
2318                         item->unreadmarked_msgs = unreadmarkedcnt;
2319                         item->marked_msgs = markedcnt;
2320                         procmsg_msg_list_free(list);
2321                 } else
2322                         msgcache_read_mark(item->cache, mark_file);
2323
2324                 g_free(cache_file);
2325                 g_free(mark_file);
2326         } else {
2327                 item->cache = msgcache_new();
2328         }
2329         END_TIMING();
2330         folder_clean_cache_memory(item);
2331 }
2332
2333 void folder_item_write_cache(FolderItem *item)
2334 {
2335         gchar *cache_file, *mark_file;
2336         FolderItemPrefs *prefs;
2337         gint filemode = 0;
2338         gchar *id;
2339         time_t last_mtime = (time_t)0;
2340         gboolean need_scan = FALSE;
2341
2342         if (!item || !item->path || !item->cache)
2343                 return;
2344
2345         if (FOLDER_TYPE(item->folder) == F_MH) {
2346                 last_mtime = item->mtime;
2347                 need_scan = item->folder->klass->scan_required(item->folder, item);
2348         }
2349
2350         id = folder_item_get_identifier(item);
2351         debug_print("Save cache for folder %s\n", id);
2352         g_free(id);
2353
2354         cache_file = folder_item_get_cache_file(item);
2355         mark_file = folder_item_get_mark_file(item);
2356         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2357                 prefs = item->prefs;
2358                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2359                         /* for cache file */
2360                         filemode = prefs->folder_chmod;
2361                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2362                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2363                         chmod(cache_file, filemode);
2364                 }
2365         }
2366
2367         if (!need_scan && FOLDER_TYPE(item->folder) == F_MH) {
2368                 if (item->mtime == last_mtime) {
2369                         mh_set_mtime(item);
2370                 }
2371         }
2372
2373         g_free(cache_file);
2374         g_free(mark_file);
2375 }
2376
2377 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2378 {
2379         Folder *folder;
2380         MsgInfo *msginfo = NULL;
2381
2382         g_return_val_if_fail(item != NULL, NULL);
2383         if (item->no_select)
2384                 return NULL;
2385         folder = item->folder;
2386         if (!item->cache)
2387                 folder_item_read_cache(item);
2388
2389         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2390                 return msginfo;
2391
2392         msginfo = get_msginfo(item, num);
2393         if (msginfo != NULL) {
2394                 msgcache_add_msg(item->cache, msginfo);
2395                 return msginfo;
2396         }
2397
2398         return NULL;
2399 }
2400
2401 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2402 {
2403         Folder *folder;
2404         MsgInfo *msginfo;
2405
2406         g_return_val_if_fail(item != NULL, NULL);
2407         g_return_val_if_fail(msgid != NULL, NULL);
2408         if (item->no_select)
2409                 return FALSE;
2410
2411         folder = item->folder;
2412         if (!item->cache)
2413                 folder_item_read_cache(item);
2414
2415         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2416                 return msginfo;
2417
2418         return NULL;
2419 }
2420
2421 GSList *folder_item_get_msg_list(FolderItem *item)
2422 {
2423         g_return_val_if_fail(item != NULL, NULL);
2424         if (item->no_select)
2425                 return FALSE;
2426
2427         if (item->cache == 0)
2428                 folder_item_read_cache(item);
2429
2430         g_return_val_if_fail(item->cache != NULL, NULL);
2431
2432         return msgcache_get_msg_list(item->cache);
2433 }
2434
2435 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2436 {
2437         MsgInfo *msginfo = data;
2438         MimeInfo *mimeinfo = node->data;
2439
2440         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2441          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2442                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2443         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2444                  mimeinfo->type != MIMETYPE_TEXT &&
2445                  mimeinfo->type != MIMETYPE_MULTIPART) {
2446                 if (!mimeinfo->subtype
2447                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2448                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2449         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2450                 strcmp(mimeinfo->subtype, "pgp-signature") &&
2451                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2452                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2453                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2454         }
2455
2456         /* don't descend below top level message for signed and encrypted info */
2457         if (mimeinfo->type == MIMETYPE_MESSAGE)
2458                 return;
2459
2460         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2461                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2462         }
2463
2464         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2465                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2466         } else {
2467                 /* searching inside encrypted parts doesn't really make sense */
2468                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2469         }
2470 }
2471
2472 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2473 {
2474         Folder *folder;
2475         gchar *msgfile;
2476         MsgInfo *msginfo;
2477
2478         g_return_val_if_fail(item != NULL, NULL);
2479
2480         folder = item->folder;
2481
2482         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2483         if (item->no_select)
2484                 return NULL;
2485
2486         msgfile = folder->klass->fetch_msg(folder, item, num);
2487
2488         if (msgfile != NULL) {
2489                 msginfo = folder_item_get_msginfo(item, num);
2490                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2491                         MimeInfo *mimeinfo;
2492
2493                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2494                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2495                                 mimeinfo = procmime_scan_file(msgfile);
2496                         else
2497                                 mimeinfo = procmime_scan_queue_file(msgfile);
2498                         /* check for attachments */
2499                         if (mimeinfo != NULL) {
2500                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2501                                 procmime_mimeinfo_free_all(mimeinfo);
2502
2503                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2504                         }
2505                 }
2506                 procmsg_msginfo_free(msginfo);
2507         }
2508
2509         return msgfile;
2510 }
2511
2512 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2513                                   gboolean body)
2514 {
2515         Folder *folder;
2516         gchar *msgfile;
2517         MsgInfo *msginfo;
2518
2519         g_return_val_if_fail(item != NULL, NULL);
2520         if (item->no_select)
2521                 return NULL;
2522
2523         folder = item->folder;
2524
2525         if (folder->klass->fetch_msg_full == NULL)
2526                 return folder_item_fetch_msg(item, num);
2527
2528         if (item->prefs->offlinesync && prefs_common.real_time_sync)
2529                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2530                                                 TRUE, TRUE);
2531         else
2532                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2533                                                 headers, body);
2534
2535         if (msgfile != NULL) {
2536                 msginfo = folder_item_get_msginfo(item, num);
2537                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2538                         MimeInfo *mimeinfo;
2539
2540                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2541                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2542                                 mimeinfo = procmime_scan_file(msgfile);
2543                         else
2544                                 mimeinfo = procmime_scan_queue_file(msgfile);
2545                         /* check for attachments */
2546                         if (mimeinfo != NULL) {
2547                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2548                                 procmime_mimeinfo_free_all(mimeinfo);
2549
2550                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2551                         }
2552                 }
2553                 procmsg_msginfo_free(msginfo);
2554         }
2555
2556         return msgfile;
2557 }
2558
2559
2560 gint folder_item_fetch_all_msg(FolderItem *item)
2561 {
2562         Folder *folder;
2563         GSList *mlist;
2564         GSList *cur;
2565         gint num = 0;
2566         gint ret = 0;
2567         gint total = 0;
2568
2569         g_return_val_if_fail(item != NULL, -1);
2570         if (item->no_select)
2571                 return -1;
2572
2573         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2574         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2575
2576         folder = item->folder;
2577
2578         if (folder->ui_func)
2579                 folder->ui_func(folder, item, folder->ui_func_data ?
2580                                 folder->ui_func_data : GINT_TO_POINTER(num));
2581
2582         mlist = folder_item_get_msg_list(item);
2583
2584         total = g_slist_length(mlist);
2585
2586         for (cur = mlist; cur != NULL; cur = cur->next) {
2587                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2588                 gchar *msg;
2589
2590                 statusbar_progress_all(num++,total, 10);
2591
2592                 if (folder->ui_func)
2593                         folder->ui_func(folder, item,
2594                                         folder->ui_func_data ?
2595                                         folder->ui_func_data :
2596                                         GINT_TO_POINTER(num));
2597                 if (num % 50 == 0)
2598                         GTK_EVENTS_FLUSH();
2599
2600                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2601                 if (!msg) {
2602                         g_warning("Can't fetch message %d. Aborting.\n",
2603                                   msginfo->msgnum);
2604                         ret = -1;
2605                         break;
2606                 }
2607                 g_free(msg);
2608         }
2609
2610         statusbar_progress_all(0,0,0);
2611         statusbar_pop_all();
2612         procmsg_msg_list_free(mlist);
2613
2614         return ret;
2615 }
2616
2617 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2618 {
2619         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2620                                        {NULL,           NULL, FALSE}};
2621         FILE *fp;
2622         MsgInfo *msginfo;
2623         gint msgnum = 0;
2624         gchar buf[BUFFSIZE];
2625
2626         if ((fp = g_fopen(file, "rb")) == NULL)
2627                 return 0;
2628
2629         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2630             (folder_has_parent_of_type(dest, F_DRAFT)))
2631                 while (fgets(buf, sizeof(buf), fp) != NULL)
2632                         if (buf[0] == '\r' || buf[0] == '\n') break;
2633
2634         procheader_get_header_fields(fp, hentry);
2635         if (hentry[0].body) {
2636                 extract_parenthesis(hentry[0].body, '<', '>');
2637                 remove_space(hentry[0].body);
2638                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2639                         msgnum = msginfo->msgnum;
2640                         procmsg_msginfo_free(msginfo);
2641
2642                         debug_print("found message as uid %d\n", msgnum);
2643                 }
2644         }
2645
2646         g_free(hentry[0].body);
2647         hentry[0].body = NULL;
2648         fclose(fp);
2649
2650         return msgnum;
2651 }
2652
2653 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2654 {
2655         MsgPermFlags perm_flags = 0;
2656         MsgTmpFlags tmp_flags = 0;
2657
2658         /* create new flags */
2659         if (source != NULL) {
2660                 /* copy original flags */
2661                 perm_flags = source->flags.perm_flags;
2662                 tmp_flags = source->flags.tmp_flags;
2663         } else {
2664                 perm_flags = dest->flags.perm_flags;
2665                 tmp_flags = dest->flags.tmp_flags;
2666         }
2667
2668         /* remove new, unread and deleted in special folders */
2669         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2670             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2671             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2672             folder_has_parent_of_type(dest->folder, F_TRASH))
2673                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2674
2675         /* set ignore flag of ignored parent exists */
2676         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2677                 perm_flags |= MSG_IGNORE_THREAD;
2678
2679         /* Unset tmp flags that should not be copied */
2680         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
2681
2682         /* unset flags that are set but should not */
2683         /* and set new flags */
2684         procmsg_msginfo_change_flags(dest,
2685                                   ~dest->flags.perm_flags & perm_flags,
2686                                   ~dest->flags.tmp_flags  & tmp_flags,
2687                                    dest->flags.perm_flags & ~perm_flags,
2688                                    dest->flags.tmp_flags  & ~tmp_flags);
2689 }
2690
2691 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2692 {
2693         /* update folder stats */
2694         if (MSG_IS_NEW(newmsginfo->flags))
2695                 item->new_msgs++;
2696         if (MSG_IS_UNREAD(newmsginfo->flags))
2697                 item->unread_msgs++;
2698         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2699                 item->unreadmarked_msgs++;
2700         if (MSG_IS_MARKED(newmsginfo->flags))
2701                 item->marked_msgs++;
2702         item->total_msgs++;
2703
2704         folder_item_update_freeze();
2705
2706         if (!item->cache)
2707                 folder_item_read_cache(item);
2708
2709         msgcache_add_msg(item->cache, newmsginfo);
2710         copy_msginfo_flags(flagsource, newmsginfo);
2711         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2712         folder_item_update_thaw();
2713 }
2714
2715 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2716 {
2717         MsgInfoUpdate msginfo_update;
2718
2719         if (!item->cache)
2720                 folder_item_read_cache(item);
2721
2722         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2723                 msginfo->folder->new_msgs--;
2724         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2725                 msginfo->folder->unread_msgs--;
2726         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2727                 msginfo->folder->unreadmarked_msgs--;
2728         if (MSG_IS_MARKED(msginfo->flags))
2729                 item->marked_msgs--;
2730
2731         msginfo->folder->total_msgs--;
2732
2733         msginfo_update.msginfo = msginfo;
2734         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2735         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2736
2737         msgcache_remove_msg(item->cache, msginfo->msgnum);
2738         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2739 }
2740
2741 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2742                          MsgFlags *flags, gboolean remove_source)
2743 {
2744         GSList file_list;
2745         MsgFileInfo fileinfo;
2746
2747         g_return_val_if_fail(dest != NULL, -1);
2748         g_return_val_if_fail(file != NULL, -1);
2749
2750         fileinfo.msginfo = NULL;
2751         fileinfo.file = (gchar *)file;
2752         fileinfo.flags = flags;
2753         file_list.data = &fileinfo;
2754         file_list.next = NULL;
2755
2756         return folder_item_add_msgs(dest, &file_list, remove_source);
2757 }
2758
2759 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2760                           gboolean remove_source)
2761 {
2762         Folder *folder;
2763         gint ret, num, lastnum = -1;
2764         GSList *file_cur;
2765         GRelation *relation;
2766         MsgFileInfo *fileinfo = NULL;
2767         gboolean folderscan = FALSE;
2768
2769         g_return_val_if_fail(dest != NULL, -1);
2770         g_return_val_if_fail(file_list != NULL, -1);
2771         g_return_val_if_fail(dest->folder != NULL, -1);
2772         if (dest->no_select)
2773                 return -1;
2774
2775         folder = dest->folder;
2776
2777         relation = g_relation_new(2);
2778         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2779
2780         if (folder->klass->add_msgs != NULL) {
2781                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2782                 if (ret < 0) {
2783                         g_relation_destroy(relation);
2784                         return ret;
2785                 }
2786         } else {
2787                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2788                         fileinfo = (MsgFileInfo *) file_cur->data;
2789
2790                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2791                         if (ret < 0) {
2792                                 g_relation_destroy(relation);
2793                                 return ret;
2794                         }
2795                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2796                 }
2797         }
2798
2799         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2800                 GTuples *tuples;
2801
2802                 fileinfo = (MsgFileInfo *) file_cur->data;
2803                 tuples = g_relation_select(relation, fileinfo, 0);
2804                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2805                 g_tuples_destroy(tuples);
2806
2807                 if (num >= 0) {
2808                         MsgInfo *newmsginfo;
2809
2810                         if (num == 0) {
2811                                 if (!folderscan) {
2812                                         folder_item_scan_full(dest, FALSE);
2813                                         folderscan = TRUE;
2814                                 }
2815                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2816                         }
2817
2818                         if (num > lastnum)
2819                                 lastnum = num;
2820
2821                         if (num >= 0 && remove_source) {
2822                                 if (g_unlink(fileinfo->file) < 0)
2823                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2824                         }
2825
2826                         if (num == 0)
2827                                 continue;
2828
2829                         if (!folderscan &&
2830                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2831                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2832                                 procmsg_msginfo_free(newmsginfo);
2833                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2834                                 /* TODO: set default flags */
2835                                 procmsg_msginfo_free(newmsginfo);
2836                         }
2837                 }
2838         }
2839
2840         g_relation_destroy(relation);
2841
2842         return lastnum;
2843 }
2844
2845 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
2846 {
2847         GSList *mlist;
2848         FolderItem *new_item;
2849         FolderItem *next_item;
2850         GNode *srcnode;
2851         gchar *old_id, *new_id;
2852
2853         /* move messages */
2854         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
2855         new_item = folder_create_folder(dest, src->name);
2856         if (new_item == NULL) {
2857                 printf("Can't create folder\n");
2858                 return NULL;
2859         }
2860
2861         if (new_item->folder == NULL)
2862                 new_item->folder = dest->folder;
2863
2864         /* move messages */
2865         log_message(LOG_PROTOCOL, copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
2866                         src->name, new_item->path);
2867
2868         mlist = folder_item_get_msg_list(src);
2869
2870         if (mlist != NULL) {
2871                 if (copy)
2872                         folder_item_copy_msgs(new_item, mlist);
2873                 else
2874                         folder_item_move_msgs(new_item, mlist);
2875                 procmsg_msg_list_free(mlist);
2876         }
2877
2878         /*copy prefs*/
2879         folder_item_prefs_copy_prefs(src, new_item);
2880
2881         /* copy internal data */
2882         if (src->folder->klass == new_item->folder->klass &&
2883             src->folder->klass->copy_private_data != NULL)
2884                 src->folder->klass->copy_private_data(src->folder,
2885                                         src, new_item);
2886         new_item->collapsed = src->collapsed;
2887         new_item->thread_collapsed = src->thread_collapsed;
2888         new_item->threaded  = src->threaded;
2889         new_item->ret_rcpt  = src->ret_rcpt;
2890         new_item->hide_read_msgs = src->hide_read_msgs;
2891         new_item->sort_key  = src->sort_key;
2892         new_item->sort_type = src->sort_type;
2893
2894         prefs_matcher_write_config();
2895
2896         /* recurse */
2897         srcnode = src->folder->node;
2898         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2899         srcnode = srcnode->children;
2900         while (srcnode != NULL) {
2901                 if (srcnode && srcnode->data) {
2902                         next_item = (FolderItem*) srcnode->data;
2903                         srcnode = srcnode->next;
2904                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
2905                                 return NULL;
2906                         }
2907                 }
2908         }
2909         old_id = folder_item_get_identifier(src);
2910         new_id = folder_item_get_identifier(new_item);
2911
2912         /* if src supports removing, otherwise only copy folder */
2913         if (src->folder->klass->remove_folder != NULL && !copy)
2914                 src->folder->klass->remove_folder(src->folder, src);
2915         folder_write_list();
2916
2917         if (!copy) {
2918                 debug_print("updating rules : %s => %s\n", old_id, new_id);
2919                 if (old_id != NULL && new_id != NULL) {
2920                         prefs_filtering_rename_path(old_id, new_id);
2921                         account_rename_path(old_id, new_id);
2922                 }
2923         }
2924         g_free(old_id);
2925         g_free(new_id);
2926
2927         return new_item;
2928 }
2929
2930 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
2931 {
2932         FolderItem *tmp = folder_item_parent(dest);
2933         gchar * src_identifier, * dst_identifier;
2934         gchar * phys_srcpath, * phys_dstpath, *tmppath;
2935
2936         while (tmp) {
2937                 if (tmp == src) {
2938                         return F_MOVE_FAILED_DEST_IS_CHILD;
2939                 }
2940                 tmp = folder_item_parent(tmp);
2941         }
2942
2943         tmp = folder_item_parent(src);
2944
2945         src_identifier = folder_item_get_identifier(src);
2946         dst_identifier = folder_item_get_identifier(dest);
2947
2948         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2949                 /* dest can be a root folder */
2950                 dst_identifier = folder_get_identifier(dest->folder);
2951         }
2952         if (src_identifier == NULL || dst_identifier == NULL) {
2953                 debug_print("Can't get identifiers\n");
2954                 return F_MOVE_FAILED;
2955         }
2956
2957         if (src->folder != dest->folder && !copy) {
2958                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2959         }
2960
2961         phys_srcpath = folder_item_get_path(src);
2962         tmppath = folder_item_get_path(dest);
2963         phys_dstpath = g_strconcat(tmppath,
2964                        G_DIR_SEPARATOR_S,
2965                        g_path_get_basename(phys_srcpath),
2966                        NULL);
2967         g_free(tmppath);
2968
2969         if (folder_item_parent(src) == dest || src == dest) {
2970                 g_free(src_identifier);
2971                 g_free(dst_identifier);
2972                 g_free(phys_srcpath);
2973                 g_free(phys_dstpath);
2974                 return F_MOVE_FAILED_DEST_IS_PARENT;
2975         }
2976         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2977         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
2978                 return F_MOVE_FAILED;
2979         }
2980
2981         g_free(src_identifier);
2982         g_free(dst_identifier);
2983         g_free(phys_srcpath);
2984         g_free(phys_dstpath);
2985
2986         *new_item = tmp;
2987
2988         return F_MOVE_OK;
2989 }
2990
2991 /**
2992  * Copy a list of message to a new folder and remove
2993  * source messages if wanted
2994  */
2995 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2996 {
2997         Folder *folder;
2998         GSList *l;
2999         gint num, lastnum = -1;
3000         gboolean folderscan = FALSE;
3001         GRelation *relation;
3002         GSList *not_moved = NULL;
3003         gint total = 0, curmsg = 0;
3004         MsgInfo *msginfo = NULL;
3005
3006         g_return_val_if_fail(dest != NULL, -1);
3007         g_return_val_if_fail(msglist != NULL, -1);
3008
3009         folder = dest->folder;
3010
3011         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
3012         if (dest->no_select)
3013                 return -1;
3014
3015         msginfo = (MsgInfo *)msglist->data;
3016
3017         if (!msginfo)
3018                 return -1;
3019
3020         if (!MSG_IS_QUEUED(msginfo->flags) &&
3021             MSG_IS_DRAFT(msginfo->flags) &&
3022             folder_has_parent_of_type(dest, F_QUEUE)) {
3023                 GSList *cur = msglist;
3024                 gboolean queue_err = FALSE;
3025                 for (; cur; cur = cur->next) {
3026                         Compose *compose = NULL;
3027                         FolderItem *queue = dest;
3028                         int val = 0;
3029
3030                         msginfo = (MsgInfo *)cur->data;
3031                         compose = compose_reedit(msginfo, TRUE);
3032                         if (compose == NULL) {
3033                                 queue_err = TRUE;
3034                                 continue;
3035                         }
3036                         val = compose_queue(compose, NULL, &queue, NULL,
3037                                         FALSE);
3038                         if (val < 0) {
3039                                 queue_err = TRUE;
3040                         } else if (remove_source) {
3041                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
3042                         }
3043                         if (val == 0)
3044                                 compose_close(compose);
3045                 }
3046                 return queue_err ? -1:0;
3047         }
3048
3049         relation = g_relation_new(2);
3050         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
3051         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
3052
3053         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
3054                 MsgInfo * msginfo = (MsgInfo *) l->data;
3055
3056                 if (msginfo->planned_download != 0) {
3057                         int old_planned = msginfo->planned_download;
3058                         partial_unmark(msginfo);
3059                         /* little hack to reenable after */
3060                         msginfo->planned_download = old_planned;
3061                 }
3062         }
3063
3064         /*
3065          * Copy messages to destination folder and
3066          * store new message numbers in newmsgnums
3067          */
3068         if (folder->klass->copy_msgs != NULL) {
3069                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3070                         g_relation_destroy(relation);
3071                         return -1;
3072                 }
3073         } else {
3074                 MsgInfo * msginfo;
3075                 l = msglist;
3076
3077                 /* immediately stop if src and dest folders are identical */
3078                 if (l != NULL) {
3079                         msginfo = (MsgInfo *) l->data;
3080                         if (msginfo != NULL && msginfo->folder == dest) {
3081                                 g_relation_destroy(relation);
3082                                 return -1;
3083                         }
3084                 }
3085
3086                 for (; l != NULL ; l = g_slist_next(l)) {
3087                         msginfo = (MsgInfo *) l->data;
3088
3089                         num = folder->klass->copy_msg(folder, dest, msginfo);
3090                         if (num > 0)
3091                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
3092                         else
3093                                 not_moved = g_slist_prepend(not_moved, msginfo);
3094                 }
3095         }
3096
3097         if (remove_source) {
3098                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3099                 FolderItem *item = msginfo->folder;
3100                 /*
3101                  * Remove source messages from their folders if
3102                  * copying was successfull and update folder
3103                  * message counts
3104                  */
3105                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3106                         item->folder->klass->remove_msgs(item->folder,
3107                                                                 msginfo->folder,
3108                                                                 msglist,
3109                                                                 relation);
3110                 }
3111                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3112                         GTuples *tuples;
3113                         msginfo = (MsgInfo *) l->data;
3114                         item = msginfo->folder;
3115
3116                         tuples = g_relation_select(relation, msginfo, 0);
3117                         if (tuples) {
3118                                 if (tuples->len)
3119                                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3120                                 else
3121                                         num = 0;
3122                                 g_tuples_destroy(tuples);
3123                         } else {
3124                                 num = -1;
3125                         }
3126
3127                         if (g_slist_find(not_moved, msginfo))
3128                                 continue;
3129
3130                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3131                                 if (!item->folder->klass->remove_msgs)
3132                                         item->folder->klass->remove_msg(item->folder,
3133                                                                 msginfo->folder,
3134                                                                 msginfo->msgnum);
3135                                 remove_msginfo_from_cache(item, msginfo);
3136                         }
3137                 }
3138         }
3139
3140         /* Read cache for dest folder */
3141         if (!dest->cache) folder_item_read_cache(dest);
3142
3143         /*
3144          * Fetch new MsgInfos for new messages in dest folder,
3145          * add them to the msgcache and update folder message counts
3146          */
3147         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
3148                 folder_item_scan_full(dest, FALSE);
3149                 folderscan = TRUE;
3150         }
3151
3152         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3153         total = g_slist_length(msglist);
3154         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3155                 MsgInfo *msginfo = (MsgInfo *) l->data;
3156                 GTuples *tuples;
3157
3158                 tuples = g_relation_select(relation, msginfo, 0);
3159                 if (tuples->len > 0) {
3160                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3161                         g_tuples_destroy(tuples);
3162                 } else {
3163                         num = 0;
3164                         if (tuples)
3165                                 g_tuples_destroy(tuples);
3166                 }
3167                 statusbar_progress_all(curmsg++,total, 100);
3168                 if (curmsg % 100 == 0)
3169                         GTK_EVENTS_FLUSH();
3170
3171                 if (num >= 0) {
3172                         MsgInfo *newmsginfo = NULL;
3173
3174                         if (!folderscan && num > 0) {
3175                                 newmsginfo = get_msginfo(dest, num);
3176                                 if (newmsginfo != NULL) {
3177                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3178                                 }
3179                         }
3180                         if (newmsginfo == NULL) {
3181                                 if (!folderscan) {
3182                                         folder_item_scan_full(dest, FALSE);
3183                                         folderscan = TRUE;
3184                                 }
3185                                 if (msginfo->msgid != NULL) {
3186                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3187                                         if (newmsginfo != NULL) {
3188                                                 copy_msginfo_flags(msginfo, newmsginfo);
3189                                                 num = newmsginfo->msgnum;
3190                                         }
3191                                 }
3192                         }
3193
3194                         if (msginfo->planned_download
3195                             == POP3_PARTIAL_DLOAD_DELE) {
3196                                 partial_mark_for_delete(newmsginfo);
3197                         }
3198                         if (msginfo->planned_download
3199                             == POP3_PARTIAL_DLOAD_DLOAD) {
3200                                 partial_mark_for_download(newmsginfo);
3201                         }
3202                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3203                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3204                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3205                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3206                         }
3207                         procmsg_msginfo_free(newmsginfo);
3208
3209
3210                         if (num > lastnum)
3211                                 lastnum = num;
3212                 }
3213         }
3214         statusbar_progress_all(0,0,0);
3215         statusbar_pop_all();
3216
3217         g_relation_destroy(relation);
3218         if (not_moved != NULL) {
3219                 g_slist_free(not_moved);
3220                 return -1;
3221         } else
3222                 return lastnum;
3223 }
3224
3225 /**
3226  * Move a message to a new folder.
3227  *
3228  * \param dest Destination folder
3229  * \param msginfo The message
3230  */
3231 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3232 {
3233         GSList list;
3234
3235         g_return_val_if_fail(dest != NULL, -1);
3236         g_return_val_if_fail(msginfo != NULL, -1);
3237
3238         list.data = msginfo;
3239         list.next = NULL;
3240
3241         return do_copy_msgs(dest, &list, TRUE);
3242 }
3243
3244 /**
3245  * Move a list of messages to a new folder.
3246  *
3247  * \param dest Destination folder
3248  * \param msglist List of messages
3249  */
3250 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3251 {
3252         gint result = -1;
3253         g_return_val_if_fail(dest != NULL, -1);
3254         g_return_val_if_fail(msglist != NULL, -1);
3255         inc_lock();
3256         result = do_copy_msgs(dest, msglist, TRUE);
3257         inc_unlock();
3258         return result;
3259 }
3260
3261 /**
3262  * Copy a message to a new folder.
3263  *
3264  * \param dest Destination folder
3265  * \param msginfo The message
3266  */
3267 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3268 {
3269         GSList list;
3270
3271         g_return_val_if_fail(dest != NULL, -1);
3272         g_return_val_if_fail(msginfo != NULL, -1);
3273
3274         list.data = msginfo;
3275         list.next = NULL;
3276
3277         return do_copy_msgs(dest, &list, FALSE);
3278 }
3279
3280 /**
3281  * Copy a list of messages to a new folder.
3282  *
3283  * \param dest Destination folder
3284  * \param msglist List of messages
3285  */
3286 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3287 {
3288         gint result;
3289         g_return_val_if_fail(dest != NULL, -1);
3290         g_return_val_if_fail(msglist != NULL, -1);
3291
3292         inc_lock();
3293         result = do_copy_msgs(dest, msglist, FALSE);
3294         inc_unlock();
3295
3296         return result;
3297 }
3298
3299 gint folder_item_remove_msg(FolderItem *item, gint num)
3300 {
3301         Folder *folder;
3302         gint ret;
3303         MsgInfo *msginfo;
3304
3305         g_return_val_if_fail(item != NULL, -1);
3306         folder = item->folder;
3307         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3308         if (item->no_select)
3309                 return -1;
3310
3311         if (!item->cache) folder_item_read_cache(item);
3312
3313         ret = folder->klass->remove_msg(folder, item, num);
3314
3315         msginfo = msgcache_get_msg(item->cache, num);
3316         if (msginfo != NULL) {
3317                 remove_msginfo_from_cache(item, msginfo);
3318                 procmsg_msginfo_free(msginfo);
3319         }
3320
3321         return ret;
3322 }
3323
3324 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3325 {
3326         Folder *folder;
3327         gint ret = 0;
3328
3329         g_return_val_if_fail(item != NULL, -1);
3330         folder = item->folder;
3331         g_return_val_if_fail(folder != NULL, -1);
3332         if (item->no_select)
3333                 return -1;
3334         inc_lock();
3335         if (!item->cache) folder_item_read_cache(item);
3336
3337         folder_item_update_freeze();
3338         if (item->folder->klass->remove_msgs) {
3339                 ret = item->folder->klass->remove_msgs(item->folder,
3340                                                         item,
3341                                                         msglist,
3342                                                         NULL);
3343         }
3344         while (ret == 0 && msglist != NULL) {
3345                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3346                 if (MSG_IS_LOCKED(msginfo->flags)) {
3347                         msglist = msglist->next;
3348                         continue;
3349                 }
3350                 if (!item->folder->klass->remove_msgs)
3351                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3352                 if (ret != 0) break;
3353                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3354                 msglist = msglist->next;
3355         }
3356         folder_item_scan_full(item, FALSE);
3357         folder_item_update_thaw();
3358         inc_unlock();
3359         return ret;
3360 }
3361
3362 gint folder_item_remove_all_msg(FolderItem *item)
3363 {
3364         Folder *folder;
3365         gint result;
3366
3367         g_return_val_if_fail(item != NULL, -1);
3368         if (item->no_select)
3369                 return -1;
3370
3371         folder = item->folder;
3372
3373         inc_lock();
3374         if (folder->klass->remove_all_msg != NULL) {
3375                 result = folder->klass->remove_all_msg(folder, item);
3376
3377                 if (result == 0) {
3378                         folder_item_free_cache(item, TRUE);
3379                         item->cache = msgcache_new();
3380                 }
3381         } else {
3382                 MsgInfoList *msglist;
3383
3384                 msglist = folder_item_get_msg_list(item);
3385                 result = folder_item_remove_msgs(item, msglist);
3386                 procmsg_msg_list_free(msglist);
3387         }
3388
3389         if (result == 0) {
3390                 item->new_msgs = 0;
3391                 item->unread_msgs = 0;
3392                 item->unreadmarked_msgs = 0;
3393                 item->marked_msgs = 0;
3394                 item->total_msgs = 0;
3395                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3396         }
3397
3398         inc_unlock();
3399         return result;
3400 }
3401
3402 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3403 {
3404         g_return_if_fail(item != NULL);
3405         g_return_if_fail(msginfo != NULL);
3406         if (item->no_select)
3407                 return;
3408
3409         if (item->folder->klass->change_flags != NULL) {
3410                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3411         } else {
3412                 msginfo->flags.perm_flags = newflags;
3413         }
3414 }
3415
3416 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3417 {
3418         Folder *folder;
3419
3420         g_return_val_if_fail(item != NULL, FALSE);
3421         if (item->no_select)
3422                 return FALSE;
3423
3424         folder = item->folder;
3425
3426         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3427
3428         return folder->klass->is_msg_changed(folder, item, msginfo);
3429 }
3430
3431 static gchar *folder_item_get_cache_file(FolderItem *item)
3432 {
3433         gchar *path;
3434         gchar *file;
3435
3436         g_return_val_if_fail(item != NULL, NULL);
3437         g_return_val_if_fail(item->path != NULL, NULL);
3438
3439         path = folder_item_get_path(item);
3440         g_return_val_if_fail(path != NULL, NULL);
3441         if (!is_dir_exist(path))
3442                 make_dir_hier(path);
3443         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3444         g_free(path);
3445
3446         return file;
3447 }
3448
3449 static gchar *folder_item_get_mark_file(FolderItem *item)
3450 {
3451         gchar *path;
3452         gchar *file;
3453
3454         g_return_val_if_fail(item != NULL, NULL);
3455         g_return_val_if_fail(item->path != NULL, NULL);
3456
3457         path = folder_item_get_path(item);
3458         g_return_val_if_fail(path != NULL, NULL);
3459         if (!is_dir_exist(path))
3460                 make_dir_hier(path);
3461         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3462         g_free(path);
3463
3464         return file;
3465 }
3466
3467 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3468 {
3469         XMLNode *xmlnode = (XMLNode *) nodedata;
3470         Folder *folder = (Folder *) data;
3471         FolderItem *item;
3472
3473         g_return_val_if_fail(xmlnode != NULL, NULL);
3474         g_return_val_if_fail(folder != NULL, NULL);
3475
3476         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3477                 g_warning("tag name != \"folderitem\"\n");
3478                 return NULL;
3479         }
3480
3481         item = folder_item_new(folder, "", "");
3482         if (folder->klass->item_set_xml != NULL)
3483                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3484         else
3485                 folder_item_set_xml(folder, item, xmlnode->tag);
3486
3487         item->folder = folder;
3488
3489         switch (item->stype) {
3490         case F_INBOX:  folder->inbox  = item; break;
3491         case F_OUTBOX: folder->outbox = item; break;
3492         case F_DRAFT:  folder->draft  = item; break;
3493         case F_QUEUE:  folder->queue  = item; break;
3494         case F_TRASH:  folder->trash  = item; break;
3495         default:       break;
3496         }
3497         folder_item_prefs_read_config(item);
3498
3499         return item;
3500 }
3501
3502 static gboolean folder_item_set_node(GNode *node, gpointer data)
3503 {
3504         FolderItem *item = (FolderItem *) node->data;
3505         item->node = node;
3506
3507         return FALSE;
3508 }
3509
3510 static Folder *folder_get_from_xml(GNode *node)
3511 {
3512         Folder *folder;
3513         XMLNode *xmlnode;
3514         GList *list;
3515         FolderClass *klass = NULL;
3516         GNode *cur;
3517
3518         g_return_val_if_fail(node->data != NULL, NULL);
3519
3520         xmlnode = node->data;
3521         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3522                 g_warning("tag name != \"folder\"\n");
3523                 return NULL;
3524         }
3525         list = xmlnode->tag->attr;
3526         for (; list != NULL; list = list->next) {
3527                 XMLAttr *attr = list->data;
3528
3529                 if (!attr || !attr->name || !attr->value) continue;
3530                 if (!strcmp(attr->name, "type"))
3531                         klass = folder_get_class_from_string(attr->value);
3532         }
3533         if (klass == NULL)
3534                 return NULL;
3535
3536         folder = folder_new(klass, "", "");
3537         g_return_val_if_fail(folder != NULL, NULL);
3538
3539         if (klass->set_xml)
3540                 klass->set_xml(folder, xmlnode->tag);
3541         else
3542                 folder_set_xml(folder, xmlnode->tag);
3543
3544         cur = node->children;
3545         while (cur != NULL) {
3546                 GNode *itemnode;
3547
3548                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3549                 g_node_append(folder->node, itemnode);
3550                 cur = cur->next;
3551         }
3552         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3553
3554         return folder;
3555 }
3556
3557 static gchar *folder_get_list_path(void)
3558 {
3559         static gchar *filename = NULL;
3560
3561         if (!filename)
3562                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3563                                         FOLDER_LIST, NULL);
3564
3565         return filename;
3566 }
3567
3568 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3569 {                                                       \
3570         fputs(" " attr "=\"", fp);                      \
3571         xml_file_put_escape_str(fp, str);               \
3572         fputs("\"", fp);                                \
3573 }
3574
3575 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3576 {
3577         FolderItem *item = (FolderItem *) nodedata;
3578         XMLTag *tag;
3579
3580         g_return_val_if_fail(item != NULL, NULL);
3581
3582         if (item->folder->klass->item_get_xml != NULL)
3583                 tag = item->folder->klass->item_get_xml(item->folder, item);
3584         else
3585                 tag = folder_item_get_xml(item->folder, item);
3586
3587         return xml_node_new(tag, NULL);
3588 }
3589
3590 static GNode *folder_get_xml_node(Folder *folder)
3591 {
3592         GNode *node;
3593         XMLNode *xmlnode;
3594         XMLTag *tag;
3595
3596         g_return_val_if_fail(folder != NULL, NULL);
3597
3598         if (folder->klass->get_xml != NULL)
3599                 tag = folder->klass->get_xml(folder);
3600         else
3601                 tag = folder_get_xml(folder);
3602
3603         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3604
3605         xmlnode = xml_node_new(tag, NULL);
3606
3607         node = g_node_new(xmlnode);
3608
3609         g_return_val_if_fail (folder->node != NULL, NULL);
3610
3611         if (folder->node->children) {
3612                 GNode *cur;
3613
3614                 cur = folder->node->children;
3615                 while (cur) {
3616                         GNode *xmlnode;
3617
3618                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3619                         g_node_append(node, xmlnode);
3620                         cur = cur->next;
3621                 }
3622         }
3623
3624         return node;
3625 }
3626
3627 static void folder_update_op_count_rec(GNode *node)
3628 {
3629         FolderItem *fitem = FOLDER_ITEM(node->data);
3630
3631         if (g_node_depth(node) > 0) {
3632                 if (fitem->op_count > 0) {
3633                         fitem->op_count = 0;
3634                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3635                 }
3636                 if (node->children) {
3637                         GNode *child;
3638
3639                         child = node->children;
3640                         while (child) {
3641                                 GNode *cur;
3642
3643                                 cur = child;
3644                                 child = cur->next;
3645                                 folder_update_op_count_rec(cur);
3646                         }
3647                 }
3648         }
3649 }
3650
3651 void folder_update_op_count(void)
3652 {
3653         GList *cur;
3654         Folder *folder;
3655
3656         for (cur = folder_list; cur != NULL; cur = cur->next) {
3657                 folder = cur->data;
3658                 folder_update_op_count_rec(folder->node);
3659         }
3660 }
3661
3662 typedef struct _type_str {
3663         gchar * str;
3664         gint type;
3665 } type_str;
3666
3667
3668 /*
3669 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3670 {
3671         if (item->parent != NULL) {
3672                 gchar * path;
3673                 gchar * id;
3674
3675                 path = folder_item_get_tree_identifier(item->parent);
3676                 if (path == NULL)
3677                         return NULL;
3678
3679                 id = g_strconcat(path, "/", item->name, NULL);
3680                 g_free(path);
3681
3682                 return id;
3683         }
3684         else {
3685                 return g_strconcat("/", item->name, NULL);
3686         }
3687 }
3688 */
3689
3690 /* CLAWS: temporary local folder for filtering */
3691 #define TEMP_FOLDER "TEMP_FOLDER"
3692 #define PROCESSING_FOLDER_ITEM "processing"
3693
3694 static FolderItem *processing_folder_item;
3695
3696 static void folder_create_processing_folder(void)
3697 {
3698         Folder *processing_folder;
3699         gchar      *tmpname;
3700
3701         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3702                 gchar *tmppath;
3703
3704                 tmppath =
3705                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3706                                 "tempfolder", NULL);
3707                 processing_folder =
3708                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3709                 g_free(tmppath);
3710         }
3711         g_assert(processing_folder != NULL);
3712
3713         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3714         /* FIXME: [W32] The code below does not correctly merge
3715            relative filenames; there should be a function to handle
3716            this.  */
3717         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
3718                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3719                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3720                                       NULL);
3721         else
3722                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3723                                       LOCAL_FOLDER(processing_folder)->rootpath,
3724                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3725                                       NULL);
3726
3727         if (!is_dir_exist(tmpname)) {
3728                 debug_print("*TMP* creating %s\n", tmpname);
3729                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3730                                                                                  processing_folder->node->data,
3731                                                                                  PROCESSING_FOLDER_ITEM);
3732         } else {
3733                 debug_print("*TMP* already created\n");
3734                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3735                 g_assert(processing_folder_item);
3736                 folder_item_append(processing_folder->node->data, processing_folder_item);
3737         }
3738         g_assert(processing_folder_item != NULL);
3739         g_free(tmpname);
3740 }
3741
3742 FolderItem *folder_get_default_processing(void)
3743 {
3744         if (!processing_folder_item) {
3745                 folder_create_processing_folder();
3746         }
3747         return processing_folder_item;
3748 }
3749
3750 /* folder_persist_prefs_new() - return hash table with persistent
3751  * settings (and folder name as key).
3752  * (note that in claws other options are in the folder_item_prefs_RC
3753  * file, so those don't need to be included in PersistPref yet)
3754  */
3755 static GHashTable *folder_persist_prefs_new(Folder *folder)
3756 {
3757         GHashTable *pptable;
3758
3759         g_return_val_if_fail(folder, NULL);
3760         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3761         folder_get_persist_prefs_recursive(folder->node, pptable);
3762         return pptable;
3763 }
3764
3765 static void folder_persist_prefs_free(GHashTable *pptable)
3766 {
3767         g_return_if_fail(pptable);
3768         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3769         g_hash_table_destroy(pptable);
3770 }
3771
3772 static const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3773 {
3774         if (pptable == NULL || name == NULL) return NULL;
3775         return g_hash_table_lookup(pptable, name);
3776 }
3777
3778 static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3779 {
3780         const PersistPrefs *pp;
3781         gchar *id = folder_item_get_identifier(item);
3782
3783         pp = folder_get_persist_prefs(pptable, id);
3784         g_free(id);
3785
3786         if (!pp) return;
3787
3788         /* CLAWS: since not all folder properties have been migrated to
3789          * folderlist.xml, we need to call the old stuff first before
3790          * setting things that apply both to Main and Claws. */
3791         folder_item_prefs_read_config(item);
3792
3793         item->collapsed = pp->collapsed;
3794         item->thread_collapsed = pp->thread_collapsed;
3795         item->threaded  = pp->threaded;
3796         item->ret_rcpt  = pp->ret_rcpt;
3797         item->hide_read_msgs = pp->hide_read_msgs;
3798         item->sort_key  = pp->sort_key;
3799         item->sort_type = pp->sort_type;
3800 }
3801
3802 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3803 {
3804         FolderItem *item = FOLDER_ITEM(node->data);
3805         PersistPrefs *pp;
3806         GNode *child, *cur;
3807         gchar *id;
3808
3809         g_return_if_fail(node != NULL);
3810         g_return_if_fail(item != NULL);
3811
3812         /* NOTE: item->path == NULL means top level folder; not interesting
3813          * to store preferences of that one.  */
3814         if (item->path) {
3815                 id = folder_item_get_identifier(item);
3816                 pp = g_new0(PersistPrefs, 1);
3817                 g_return_if_fail(pp != NULL);
3818                 pp->collapsed = item->collapsed;
3819                 pp->thread_collapsed = item->thread_collapsed;
3820                 pp->threaded  = item->threaded;
3821                 pp->ret_rcpt  = item->ret_rcpt;
3822                 pp->hide_read_msgs = item->hide_read_msgs;
3823                 pp->sort_key  = item->sort_key;
3824                 pp->sort_type = item->sort_type;
3825                 g_hash_table_insert(pptable, id, pp);
3826         }
3827
3828         if (node->children) {
3829                 child = node->children;
3830                 while (child) {
3831                         cur = child;
3832                         child = cur->next;
3833                         folder_get_persist_prefs_recursive(cur, pptable);
3834                 }
3835         }
3836 }
3837
3838 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3839 {
3840         g_free(key);
3841         g_free(val);
3842         return TRUE;
3843 }
3844
3845 void folder_item_apply_processing(FolderItem *item)
3846 {
3847         GSList *processing_list;
3848         GSList *mlist, *cur;
3849         guint total = 0, curmsg = 0;
3850         gint last_apply_per_account;
3851
3852         g_return_if_fail(item != NULL);
3853
3854         if (item->no_select)
3855                return;
3856
3857         processing_list = item->prefs->processing;
3858
3859         if (!pre_global_processing && !processing_list
3860         &&  !post_global_processing)
3861                 return;
3862
3863         debug_print("processing %s\n", item->name);
3864         folder_item_update_freeze();
3865
3866         mlist = folder_item_get_msg_list(item);
3867         total = g_slist_length(mlist);
3868         statusbar_print_all(_("Processing messages..."));
3869
3870         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
3871         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
3872
3873         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3874                 MsgInfo * msginfo;
3875
3876                 msginfo = (MsgInfo *) cur->data;
3877
3878                 /* reset parameters that can be modified by processing */
3879                 msginfo->hidden = 0;
3880                 msginfo->score = 0;
3881
3882                 statusbar_progress_all(curmsg++,total, 10);
3883
3884                 /* apply pre global rules */
3885                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL,
3886                                 FILTERING_PRE_PROCESSING, NULL);
3887
3888                 /* apply rules of the folder */
3889                 filter_message_by_msginfo(processing_list, msginfo, NULL,
3890                                 FILTERING_FOLDER_PROCESSING, item->name);
3891
3892                 /* apply post global rules */
3893                 filter_message_by_msginfo(post_global_processing, msginfo, NULL,
3894                                 FILTERING_POST_PROCESSING, NULL);
3895         }
3896         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
3897
3898         if (pre_global_processing || processing_list
3899             || post_global_processing)
3900                 filtering_move_and_copy_msgs(mlist);
3901         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3902                 MsgInfo * msginfo = (MsgInfo *)cur->data;
3903                 procmsg_msginfo_free(msginfo);
3904         }
3905         g_slist_free(mlist);
3906
3907         statusbar_progress_all(0,0,0);
3908         statusbar_pop_all();
3909
3910         folder_item_update_thaw();
3911 }
3912
3913 /*
3914  *  functions for handling FolderItem content changes
3915  */
3916 static gint folder_item_update_freeze_cnt = 0;
3917
3918 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3919 {
3920         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3921                 FolderItemUpdateData source;
3922
3923                 source.item = item;
3924                 source.update_flags = update_flags;
3925                 source.msg = msg;
3926                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3927         } else {
3928                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3929         }
3930 }
3931
3932 /**
3933  * Notify the folder system about changes to a folder. If the
3934  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3935  * be invoked, otherwise the changes will be remebered until
3936  * the folder system is thawed.
3937  *
3938  * \param item The FolderItem that was changed
3939  * \param update_flags Type of changed that was made
3940  */
3941 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3942 {
3943         folder_item_update_with_msg(item, update_flags, NULL);
3944 }
3945
3946 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3947 {
3948         GNode *node = item->folder->node;
3949
3950         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3951         node = node->children;
3952
3953         folder_item_update(item, update_flags);
3954         while (node != NULL) {
3955                 if (node && node->data) {
3956                         FolderItem *next_item = (FolderItem*) node->data;
3957
3958                         folder_item_update(next_item, update_flags);
3959                 }
3960                 node = node->next;
3961         }
3962 }
3963
3964 void folder_item_update_freeze(void)
3965 {
3966         folder_item_update_freeze_cnt++;
3967 }
3968
3969 static void folder_item_update_func(FolderItem *item, gpointer data)
3970 {
3971         FolderItemUpdateData source;
3972
3973         if (item->update_flags) {
3974                 source.item = item;
3975                 source.update_flags = item->update_flags;
3976                 source.msg = NULL;
3977                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3978                 item->update_flags = 0;
3979         }
3980 }
3981
3982 void folder_item_update_thaw(void)
3983 {
3984         if (folder_item_update_freeze_cnt > 0)
3985                 folder_item_update_freeze_cnt--;
3986         if (folder_item_update_freeze_cnt == 0) {
3987                 /* Update all folders */
3988                 folder_func_to_all_folders(folder_item_update_func, NULL);
3989         }
3990 }
3991
3992 void folder_item_synchronise(FolderItem *item)
3993 {
3994         if (!item)
3995                 return;
3996         if (item->prefs->offlinesync && item->folder->klass->synchronise) {
3997                 statusbar_print_all(_("Synchronising %s for offline use...\n"), item->path ? item->path : "(null)");
3998                 item->folder->klass->synchronise(item);
3999                 statusbar_pop_all();
4000         }
4001 }
4002
4003 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
4004 {
4005         Folder *folder = (Folder *)data;
4006         if (folder == NULL || item->folder == folder) {
4007                 folder_item_synchronise(item);
4008         }
4009 }
4010
4011 void folder_synchronise(Folder *folder)
4012 {
4013         folder_func_to_all_folders(folder_item_synchronise_func, folder);
4014 }
4015
4016 typedef struct _WantSyncData {
4017         Folder *folder;
4018         gboolean want_sync;
4019 } WantSyncData;
4020
4021 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
4022 {
4023         WantSyncData *want_sync_data = (WantSyncData *)data;
4024
4025         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
4026                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
4027                         want_sync_data->want_sync |= TRUE;
4028         }
4029 }
4030
4031 gboolean folder_want_synchronise(Folder *folder)
4032 {
4033         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
4034         gboolean result;
4035         want_sync_data->folder = folder;
4036         want_sync_data->want_sync = FALSE;
4037
4038         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
4039         result = want_sync_data->want_sync;
4040         g_free(want_sync_data);
4041         if (result > 0)
4042                 debug_print("Folder %s wants sync\n", folder->name);
4043         return result;
4044 }
4045
4046 void folder_item_set_batch (FolderItem *item, gboolean batch)
4047 {
4048         if (item->folder->klass->set_batch) {
4049                 item->folder->klass->set_batch(item->folder, item, batch);
4050         }
4051 }
4052
4053 gboolean folder_has_parent_of_type(FolderItem *item,
4054                                           SpecialFolderItemType type)
4055 {
4056         FolderItem *cur = item;
4057
4058         /* if we already know it, make it short */
4059         if (item->parent_stype != -1) {
4060                 return (item->parent_stype == type);
4061         }
4062
4063         /* if we don't, find the type from the first possible parent,
4064          * and set our parent type to be faster next time */
4065         while (cur) {
4066                 if (cur->stype == type || cur->parent_stype == type) {
4067                         item->parent_stype = type;
4068                         return TRUE;
4069                 }
4070                 cur = folder_item_parent(cur);
4071         }
4072
4073         /* if we didn't match what was asked, we didn't return. If our
4074          * parent type is unknown, we may as well find it now to be faster
4075          * later. */
4076         if (item->parent_stype == -1) {
4077                 cur = item;
4078                 while (cur) {
4079                         /* here's an exception: Inbox subfolders are normal. */
4080                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4081                         && item != cur) {
4082                                 item->parent_stype = F_NORMAL;
4083                                 break;
4084                         }
4085                         /* ah, we know this parent's parent's type, we may as
4086                          * well copy it instead of going up the full way */
4087                         if (cur->parent_stype != -1) {
4088                                 item->parent_stype = cur->parent_stype;
4089                                 break;
4090                         }
4091                         /* we found a parent that has a special type. That's
4092                          * our parent type. */
4093                         if (cur->stype != F_NORMAL) {
4094                                 cur->parent_stype = cur->stype;
4095                                 item->parent_stype = cur->stype;
4096                                 break;
4097                         }
4098                         /* if we didn't find anything, go up once more */
4099                         cur = folder_item_parent(cur);
4100                 }
4101                 /* as we still didn't find anything, our parents must all be
4102                  * normal. */
4103                 if (item->parent_stype == -1) {
4104                         item->parent_stype = F_NORMAL;
4105                 }
4106         }
4107         return FALSE;
4108 }
4109
4110 gboolean folder_subscribe (const gchar *uri)
4111 {
4112         GList *cur;
4113         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4114                 Folder *folder = (Folder *) cur->data;
4115
4116                 if (folder->klass->subscribe
4117                 &&  folder->klass->subscribe(folder, uri)) {
4118                         return TRUE;
4119                 }
4120         }
4121         return FALSE;
4122
4123 }
4124
4125 gboolean folder_get_sort_type           (Folder         *folder,
4126                                          FolderSortKey  *sort_key,
4127                                          FolderSortType *sort_type)
4128 {
4129         if (!folder || !sort_key || !sort_type)
4130                 return FALSE;
4131         if (folder->klass->get_sort_type == NULL)
4132                 return FALSE;
4133         folder->klass->get_sort_type(folder, sort_key, sort_type);
4134         return TRUE;
4135 }
4136
4137 #undef PUT_ESCAPE_STR