src/folder.c

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