src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33 #include <stdlib.h>
  34 #ifdef WIN32
  35 #include <w32lib.h>
  36 #endif
  37
  38 #include "folder.h"
  39 #include "session.h"
  40 #include "inc.h"
  41 #include "imap.h"
  42 #include "news.h"
  43 #include "mh.h"
  44 #include "utils.h"
  45 #include "xml.h"
  46 #include "codeconv.h"
  47 #include "prefs_gtk.h"
  48 #include "account.h"
  49 #include "filtering.h"
  50 #include "procheader.h"
  51 #include "hooks.h"
  52 #include "log.h"
  53 #include "folder_item_prefs.h"
  54 #include "remotefolder.h"
  55 #include "partial_download.h"
  56 #include "statusbar.h"
  57 #include "gtkutils.h"
  58 #include "timing.h"
  59 #include "compose.h"
  60
  61 /* Dependecies to be removed ?! */
  62 #include "prefs_common.h"
  63 #include "prefs_account.h"
  64
  65 /* Define possible missing constants for Windows. */
  66 #ifdef G_OS_WIN32
  67 # ifndef S_IRGRP
  68 # define S_IRGRP 0
  69 # define S_IWGRP 0
  70 # endif
  71 # ifndef S_IROTH
  72 # define S_IROTH 0
  73 # define S_IWOTH 0
  74 # endif
  75 #endif
  76
  77 static GList *folder_list = NULL;
  78 static GSList *class_list = NULL;
  79 static GSList *folder_unloaded_list = NULL;
  80
  81 void folder_init                (Folder         *folder,
  82                                  const gchar    *name);
  83
  84 static gchar *folder_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         GList *list = folder_get_list();
1146
1147         folder = list ? list->data:NULL;
1148
1149         g_return_val_if_fail(folder != NULL, NULL);
1150
1151         d[0] = (gpointer)path;
1152         d[1] = NULL;
1153         while (d[1] == NULL && list) {
1154                 folder = FOLDER(list->data);
1155                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1156                         folder_item_find_func, d);
1157                 list = list->next;
1158         }
1159         return d[1];
1160 }
1161
1162 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1163 {
1164         GNode *node;
1165         FolderItem *child;
1166
1167         for (node = item->node->children; node != NULL; node = node->next) {
1168                 gchar *base;
1169                 child = FOLDER_ITEM(node->data);
1170                 base = g_path_get_basename(child->path);
1171                 if (strcmp2(base, name) == 0) {
1172                         g_free(base);
1173                         return child;
1174                 }
1175                 g_free(base);
1176         }
1177
1178         return NULL;
1179 }
1180
1181 FolderClass *folder_get_class_from_string(const gchar *str)
1182 {
1183         GSList *classlist;
1184
1185         classlist = folder_get_class_list();
1186         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1187                 FolderClass *class = (FolderClass *) classlist->data;
1188                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1189                         return class;
1190         }
1191
1192         return NULL;
1193 }
1194
1195 gchar *folder_get_identifier(Folder *folder)
1196 {
1197         gchar *type_str;
1198
1199         g_return_val_if_fail(folder != NULL, NULL);
1200
1201         type_str = folder->klass->idstr;
1202         return g_strconcat("#", type_str, "/", folder->name, NULL);
1203 }
1204
1205 gchar *folder_item_get_identifier(FolderItem *item)
1206 {
1207         gchar *id = NULL;
1208         gchar *folder_id = NULL;
1209
1210         g_return_val_if_fail(item != NULL, NULL);
1211
1212         if (item->path == NULL)
1213                 return NULL;
1214
1215         folder_id = folder_get_identifier(item->folder);
1216         id = g_strconcat(folder_id, "/", item->path, NULL);
1217         g_free(folder_id);
1218
1219         return id;
1220 }
1221
1222 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1223 {
1224         Folder *folder;
1225         gpointer d[2];
1226         gchar *str;
1227         gchar *p;
1228         gchar *name;
1229         gchar *path;
1230         FolderClass *class;
1231
1232         g_return_val_if_fail(identifier != NULL, NULL);
1233
1234         if (*identifier != '#')
1235                 return folder_find_item_from_path(identifier);
1236
1237         Xstrdup_a(str, identifier, return NULL);
1238
1239         p = strchr(str, '/');
1240         if (!p)
1241                 return folder_find_item_from_path(identifier);
1242         *p = '\0';
1243         p++;
1244         class = folder_get_class_from_string(&str[1]);
1245         if (class == NULL)
1246                 return folder_find_item_from_path(identifier);
1247
1248         name = p;
1249         p = strchr(p, '/');
1250         if (!p)
1251                 return folder_find_item_from_path(identifier);
1252         *p = '\0';
1253         p++;
1254
1255         folder = folder_find_from_name(name, class);
1256         if (!folder)
1257                 return folder_find_item_from_path(identifier);
1258
1259         path = p;
1260
1261         d[0] = (gpointer)path;
1262         d[1] = NULL;
1263         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1264                         folder_item_find_func, d);
1265         return d[1];
1266 }
1267
1268 /**
1269  * Get a displayable name for a FolderItem
1270  *
1271  * \param item FolderItem for that a name should be created
1272  * \return Displayable name for item, returned string has to
1273  *         be freed
1274  */
1275 gchar *folder_item_get_name(FolderItem *item)
1276 {
1277         gchar *name = NULL;
1278
1279         g_return_val_if_fail(item != NULL, g_strdup(""));
1280
1281         switch (item->stype) {
1282         case F_INBOX:
1283                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1284                                 item->name);
1285                 break;
1286         case F_OUTBOX:
1287                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1288                                 item->name);
1289                 break;
1290         case F_QUEUE:
1291                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1292                                 item->name);
1293                 break;
1294         case F_TRASH:
1295                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1296                                 item->name);
1297                 break;
1298         case F_DRAFT:
1299                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1300                                 item->name);
1301                 break;
1302         default:
1303                 break;
1304         }
1305
1306         if (name == NULL) {
1307                 /*
1308                  * should probably be done by a virtual function,
1309                  * the folder knows the ui string and how to abbrev
1310                 */
1311                 if (folder_item_parent(item) == NULL) {
1312                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1313                 } else {
1314                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1315                             item->path && !strcmp2(item->name, item->path))
1316                                 name = get_abbrev_newsgroup_name
1317                                         (item->path,
1318                                          prefs_common.ng_abbrev_len);
1319                         else
1320                                 name = g_strdup(item->name);
1321                 }
1322         }
1323
1324         if (name == NULL)
1325                 name = g_strdup("");
1326
1327         return name;
1328 }
1329
1330 Folder *folder_get_default_folder(void)
1331 {
1332         return folder_list ? FOLDER(folder_list->data) : NULL;
1333 }
1334
1335 gboolean folder_have_mailbox (void)
1336 {
1337         GList *cur;
1338         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1339                 Folder *folder = FOLDER(cur->data);
1340                 if (folder->inbox && folder->outbox)
1341                         return TRUE;
1342         }
1343         return FALSE;
1344 }
1345
1346 FolderItem *folder_get_default_inbox(void)
1347 {
1348         GList *flist;
1349
1350         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1351                 Folder * folder = FOLDER(flist->data);
1352
1353                 if (folder == NULL)
1354                         continue;
1355                 if (folder->inbox == NULL)
1356                         continue;
1357                 if (folder->klass->type == F_UNKNOWN)
1358                         continue;
1359
1360                 return folder->inbox;
1361         }
1362
1363         return NULL;
1364 }
1365
1366 FolderItem *folder_get_default_outbox(void)
1367 {
1368         GList *flist;
1369
1370         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1371                 Folder * folder = FOLDER(flist->data);
1372
1373                 if (folder == NULL)
1374                         continue;
1375                 if (folder->outbox == NULL)
1376                         continue;
1377                 if (folder->klass->type == F_UNKNOWN)
1378                         continue;
1379
1380                 return folder->outbox;
1381         }
1382
1383         return NULL;
1384 }
1385
1386 FolderItem *folder_get_default_draft(void)
1387 {
1388         GList *flist;
1389
1390         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1391                 Folder * folder = FOLDER(flist->data);
1392
1393                 if (folder == NULL)
1394                         continue;
1395                 if (folder->draft == NULL)
1396                         continue;
1397                 if (folder->klass->type == F_UNKNOWN)
1398                         continue;
1399
1400                 return folder->draft;
1401         }
1402
1403         return NULL;
1404 }
1405
1406 FolderItem *folder_get_default_queue(void)
1407 {
1408         GList *flist;
1409
1410         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1411                 Folder * folder = FOLDER(flist->data);
1412
1413                 if (folder == NULL)
1414                         continue;
1415                 if (folder->queue == NULL)
1416                         continue;
1417                 if (folder->klass->type == F_UNKNOWN)
1418                         continue;
1419
1420                 return folder->queue;
1421         }
1422
1423         return NULL;
1424 }
1425
1426 FolderItem *folder_get_default_trash(void)
1427 {
1428         GList *flist;
1429
1430         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1431                 Folder * folder = FOLDER(flist->data);
1432
1433                 if (folder == NULL)
1434                         continue;
1435                 if (folder->trash == NULL)
1436                         continue;
1437                 if (folder->klass->type == F_UNKNOWN)
1438                         continue;
1439
1440                 return folder->trash;
1441         }
1442
1443         return NULL;
1444 }
1445
1446 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1447 {                                                               \
1448         if (!folder->member) {                                  \
1449                 item = folder_item_new(folder, dir, dir);       \
1450                 item->stype = type;                             \
1451                 folder_item_append(rootitem, item);             \
1452                 folder->member = item;                          \
1453         }                                                       \
1454 }
1455
1456 void folder_set_missing_folders(void)
1457 {
1458         Folder *folder;
1459         FolderItem *rootitem;
1460         FolderItem *item;
1461         GList *list;
1462
1463         for (list = folder_list; list != NULL; list = list->next) {
1464                 folder = list->data;
1465                 if (FOLDER_TYPE(folder) != F_MH) continue;
1466                 rootitem = FOLDER_ITEM(folder->node->data);
1467                 g_return_if_fail(rootitem != NULL);
1468
1469                 if (folder->inbox && folder->outbox && folder->draft &&
1470                     folder->queue && folder->trash)
1471                         continue;
1472
1473                 if (folder->klass->create_tree(folder) < 0) {
1474                         g_warning("%s: can't create the folder tree.\n",
1475                                   LOCAL_FOLDER(folder)->rootpath);
1476                         continue;
1477                 }
1478
1479                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1480                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1481                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1482                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1483                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1484         }
1485 }
1486
1487 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1488 {
1489         FolderItem *item = node->data;
1490         PrefsAccount *account = data;
1491
1492         if (item->account == account)
1493                 item->account = NULL;
1494
1495         return FALSE;
1496 }
1497
1498 void folder_unref_account_all(PrefsAccount *account)
1499 {
1500         Folder *folder;
1501         GList *list;
1502
1503         if (!account) return;
1504
1505         for (list = folder_list; list != NULL; list = list->next) {
1506                 folder = list->data;
1507                 if (folder->account == account)
1508                         folder->account = NULL;
1509                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1510                                 folder_unref_account_func, account);
1511         }
1512 }
1513
1514 #undef CREATE_FOLDER_IF_NOT_EXIST
1515
1516 gchar *folder_item_get_path(FolderItem *item)
1517 {
1518         Folder *folder;
1519
1520         g_return_val_if_fail(item != NULL, NULL);
1521         folder = item->folder;
1522         g_return_val_if_fail(folder != NULL, NULL);
1523
1524         return folder->klass->item_get_path(folder, item);
1525 }
1526
1527 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1528 {
1529         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1530               folder_has_parent_of_type(dest, F_QUEUE)  ||
1531               folder_has_parent_of_type(dest, F_DRAFT) ||
1532               folder_has_parent_of_type(dest, F_TRASH))) {
1533                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1534         } else {
1535                 flags->perm_flags = 0;
1536         }
1537         if (FOLDER_TYPE(dest->folder) == F_MH) {
1538                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1539                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1540                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1541                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1542                 }
1543         }
1544 }
1545
1546 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1547 {
1548         MsgInfo *msginfo_a = (MsgInfo *) a;
1549         MsgInfo *msginfo_b = (MsgInfo *) b;
1550
1551         return (msginfo_a->msgnum - msginfo_b->msgnum);
1552 }
1553
1554 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1555 {
1556         guint gint_a = GPOINTER_TO_INT(a);
1557         guint gint_b = GPOINTER_TO_INT(b);
1558
1559         return (gint_a - gint_b);
1560 }
1561
1562 void folder_item_process_open (FolderItem *item,
1563                                  void (*before_proc_func)(gpointer data),
1564                                  void (*after_proc_func)(gpointer data),
1565                                  gpointer data)
1566 {
1567         gchar *buf;
1568         if (item == NULL)
1569                 return;
1570         if((item->folder->klass->scan_required != NULL) &&
1571            (item->folder->klass->scan_required(item->folder, item))) {
1572                 folder_item_scan_full(item, TRUE);
1573         } else {
1574                 folder_item_syncronize_flags(item);
1575         }
1576
1577         /* Processing */
1578         buf = g_strdup_printf(_("Processing (%s)...\n"),
1579                               item->path ? item->path : item->name);
1580         g_free(buf);
1581
1582         if (before_proc_func)
1583                 before_proc_func(data);
1584
1585         folder_item_apply_processing(item);
1586
1587         if (after_proc_func)
1588                 after_proc_func(data);
1589
1590         item->processing_pending = FALSE;
1591         return;
1592 }
1593
1594 gint folder_item_open(FolderItem *item)
1595 {
1596         START_TIMING("");
1597         if (item->no_select)
1598                 return -1;
1599
1600         if (item->scanning) {
1601                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
1602                 return -2;
1603         }
1604
1605         item->processing_pending = TRUE;
1606         folder_item_process_open (item, NULL, NULL, NULL);
1607
1608         item->opened = TRUE;
1609         END_TIMING();
1610         return 0;
1611 }
1612
1613 gint folder_item_close(FolderItem *item)
1614 {
1615         GSList *mlist, *cur;
1616         Folder *folder;
1617
1618         g_return_val_if_fail(item != NULL, -1);
1619
1620         if (item->no_select)
1621                 return -1;
1622
1623         if (item->new_msgs) {
1624                 folder_item_update_freeze();
1625                 mlist = folder_item_get_msg_list(item);
1626                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1627                         MsgInfo * msginfo;
1628
1629                         msginfo = (MsgInfo *) cur->data;
1630                         if (MSG_IS_NEW(msginfo->flags))
1631                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1632                         procmsg_msginfo_free(msginfo);
1633                 }
1634                 g_slist_free(mlist);
1635                 folder_item_update_thaw();
1636         }
1637
1638         folder_item_write_cache(item);
1639
1640         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1641
1642         item->opened = FALSE;
1643         folder = item->folder;
1644
1645         if (folder->klass->close == NULL)
1646                 return 0;
1647
1648         return folder->klass->close(folder, item);
1649 }
1650
1651 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1652 {
1653         MsgInfoList *msglist = NULL;
1654         Folder *folder = item->folder;
1655         if (item->no_select)
1656                 return NULL;
1657
1658         if (folder->klass->get_msginfos != NULL)
1659                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1660         else {
1661                 MsgNumberList *elem;
1662
1663                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1664                         MsgInfo *msginfo;
1665                         guint num;
1666
1667                         num = GPOINTER_TO_INT(elem->data);
1668                         msginfo = folder->klass->get_msginfo(folder, item, num);
1669                         if (msginfo != NULL)
1670                                 msglist = g_slist_prepend(msglist, msginfo);
1671                 }
1672         }
1673
1674         return msglist;
1675 }
1676
1677 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1678 {
1679         MsgNumberList numlist;
1680         MsgInfoList *msglist;
1681         MsgInfo *msginfo = NULL;
1682
1683         numlist.data = GINT_TO_POINTER(num);
1684         numlist.next = NULL;
1685         msglist = get_msginfos(item, &numlist);
1686         if (msglist != NULL)
1687                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1688         procmsg_msg_list_free(msglist);
1689
1690         return msginfo;
1691 }
1692
1693 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1694 {
1695         GRelation *relation;
1696         gint ret = 0;
1697         GSList *cur;
1698
1699         if(msglist == NULL)
1700                 return 0;
1701         if(item->folder->klass->get_flags == NULL)
1702                 return 0;
1703         if (item->no_select)
1704                 return 0;
1705
1706         relation = g_relation_new(2);
1707         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1708         folder_item_set_batch(item, TRUE);
1709         if ((ret = item->folder->klass->get_flags(
1710             item->folder, item, msglist, relation)) == 0) {
1711                 GTuples *tuples;
1712                 MsgInfo *msginfo;
1713                 MsgPermFlags permflags = 0;
1714                 gboolean skip;
1715
1716                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1717                         msginfo = (MsgInfo *) cur->data;
1718
1719                         tuples = g_relation_select(relation, msginfo, 0);
1720                         skip = tuples->len < 1;
1721                         if (!skip)
1722                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1723                         g_tuples_destroy(tuples);
1724                         if (skip)
1725                                 continue;
1726
1727                         if (msginfo->flags.perm_flags != permflags) {
1728                                 procmsg_msginfo_change_flags(msginfo,
1729                                         permflags & ~msginfo->flags.perm_flags, 0,
1730                                         ~permflags & msginfo->flags.perm_flags, 0);
1731                         }
1732                 }
1733         }
1734         folder_item_set_batch(item, FALSE);
1735         g_relation_destroy(relation);
1736
1737         return ret;
1738 }
1739
1740 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1741 {
1742         Folder *folder;
1743         GSList *folder_list = NULL, *cache_list = NULL;
1744         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1745         GSList *exists_list = NULL, *elem;
1746         GSList *newmsg_list = NULL;
1747         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1748         guint markedcnt = 0, unreadmarkedcnt = 0;
1749         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1750         gboolean update_flags = 0, old_uids_valid = FALSE;
1751         GHashTable *subject_table = NULL;
1752
1753         g_return_val_if_fail(item != NULL, -1);
1754         if (item->path == NULL) return -1;
1755
1756         folder = item->folder;
1757
1758         g_return_val_if_fail(folder != NULL, -1);
1759         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1760
1761         item->scanning = TRUE;
1762
1763         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1764
1765         /* Get list of messages for folder and cache */
1766         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1767                 debug_print("Error fetching list of message numbers\n");
1768                 item->scanning = FALSE;
1769                 return(-1);
1770         }
1771
1772         if(prefs_common.thread_by_subject) {
1773                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1774         }
1775
1776         if (old_uids_valid) {
1777                 if (!item->cache)
1778                         folder_item_read_cache(item);
1779                 cache_list = msgcache_get_msg_list(item->cache);
1780         } else {
1781                 if (item->cache)
1782                         msgcache_destroy(item->cache);
1783                 item->cache = msgcache_new();
1784                 cache_list = NULL;
1785         }
1786
1787         /* Sort both lists */
1788         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1789         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1790
1791         cache_list_cur = cache_list;
1792         folder_list_cur = folder_list;
1793
1794         if (cache_list_cur != NULL) {
1795                 GSList *cache_list_last;
1796
1797                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1798                 cache_list_last = g_slist_last(cache_list);
1799                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1800         } else {
1801                 cache_cur_num = G_MAXINT;
1802                 cache_max_num = 0;
1803         }
1804
1805         if (folder_list_cur != NULL) {
1806                 GSList *folder_list_last;
1807
1808                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1809                 folder_list_last = g_slist_last(folder_list);
1810                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1811         } else {
1812                 folder_cur_num = G_MAXINT;
1813                 folder_max_num = 0;
1814         }
1815
1816         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1817                 /*
1818                  *  Message only exists in the folder
1819                  *  Remember message for fetching
1820                  */
1821                 if (folder_cur_num < cache_cur_num) {
1822                         gboolean add = FALSE;
1823
1824                         switch(FOLDER_TYPE(folder)) {
1825                                 case F_NEWS:
1826                                         if (folder_cur_num < cache_max_num)
1827                                                 break;
1828
1829                                         if (folder->account->max_articles == 0) {
1830                                                 add = TRUE;
1831                                         }
1832
1833                                         if (folder_max_num <= folder->account->max_articles) {
1834                                                 add = TRUE;
1835                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1836                                                 add = TRUE;
1837                                         }
1838                                         break;
1839                                 default:
1840                                         add = TRUE;
1841                                         break;
1842                         }
1843
1844                         if (add) {
1845                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1846                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1847                         }
1848
1849                         /* Move to next folder number */
1850                         folder_list_cur = folder_list_cur->next;
1851
1852                         if (folder_list_cur != NULL)
1853                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1854                         else
1855                                 folder_cur_num = G_MAXINT;
1856
1857                         continue;
1858                 }
1859
1860                 /*
1861                  *  Message only exists in the cache
1862                  *  Remove the message from the cache
1863                  */
1864                 if (cache_cur_num < folder_cur_num) {
1865                         msgcache_remove_msg(item->cache, cache_cur_num);
1866                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1867
1868                         /* Move to next cache number */
1869                         cache_list_cur = cache_list_cur->next;
1870
1871                         if (cache_list_cur != NULL)
1872                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1873                         else
1874                                 cache_cur_num = G_MAXINT;
1875
1876                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1877
1878                         continue;
1879                 }
1880
1881                 /*
1882                  *  Message number exists in folder and cache!
1883                  *  Check if the message has been modified
1884                  */
1885                 if (cache_cur_num == folder_cur_num) {
1886                         MsgInfo *msginfo;
1887
1888                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1889                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1890                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1891                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1892                                 procmsg_msginfo_free(msginfo);
1893
1894                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1895                         } else {
1896                                 exists_list = g_slist_prepend(exists_list, msginfo);
1897
1898                                 if(prefs_common.thread_by_subject &&
1899                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1900                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1901                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1902                                 }
1903                         }
1904
1905                         /* Move to next folder and cache number */
1906                         cache_list_cur = cache_list_cur->next;
1907                         folder_list_cur = folder_list_cur->next;
1908
1909                         if (cache_list_cur != NULL)
1910                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1911                         else
1912                                 cache_cur_num = G_MAXINT;
1913
1914                         if (folder_list_cur != NULL)
1915                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1916                         else
1917                                 folder_cur_num = G_MAXINT;
1918
1919                         continue;
1920                 }
1921         }
1922
1923         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1924                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1925
1926         g_slist_free(cache_list);
1927         g_slist_free(folder_list);
1928
1929         if (new_list != NULL) {
1930                 GSList *tmp_list = NULL;
1931                 newmsg_list = get_msginfos(item, new_list);
1932                 g_slist_free(new_list);
1933                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
1934                 syncronize_flags(item, tmp_list);
1935                 g_slist_free(tmp_list);
1936         } else {
1937                 syncronize_flags(item, exists_list);
1938         }
1939
1940         folder_item_update_freeze();
1941         if (newmsg_list != NULL) {
1942                 GSList *elem, *to_filter = NULL;
1943                 gboolean do_filter = (filtering == TRUE) &&
1944                                         (item->stype == F_INBOX) &&
1945                                         (item->folder->account != NULL) &&
1946                                         (item->folder->account->filter_on_recv);
1947
1948                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1949                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1950
1951                         msgcache_add_msg(item->cache, msginfo);
1952                         if (!do_filter) {
1953                                 exists_list = g_slist_prepend(exists_list, msginfo);
1954
1955                                 if(prefs_common.thread_by_subject &&
1956                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1957                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1958                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1959                                 }
1960                         }
1961                 }
1962
1963                 if (do_filter) {
1964                         GSList *unfiltered;
1965                         procmsg_msglist_filter(newmsg_list, item->folder->account,
1966                                         &to_filter, &unfiltered,
1967                                         TRUE);
1968
1969                         filtering_move_and_copy_msgs(newmsg_list);
1970                         if (to_filter != NULL) {
1971                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
1972                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
1973                                         procmsg_msginfo_free(msginfo);
1974                                 }
1975                                 g_slist_free(to_filter);
1976                         }
1977                         if (unfiltered != NULL) {
1978                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
1979                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
1980                                         exists_list = g_slist_prepend(exists_list, msginfo);
1981
1982                                         if(prefs_common.thread_by_subject &&
1983                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1984                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
1985                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
1986                                         }
1987                                 }
1988                                 g_slist_free(unfiltered);
1989                         }
1990                 }
1991
1992                 g_slist_free(newmsg_list);
1993
1994                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1995         }
1996
1997         folder_item_set_batch(item, TRUE);
1998         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1999                 MsgInfo *msginfo, *parent_msginfo;
2000
2001                 msginfo = elem->data;
2002                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2003                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2004                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2005                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2006                 }
2007                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2008                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2009                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2010                 {
2011                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2012                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2013                                                 MSG_NEW | MSG_UNREAD, 0);
2014                         }
2015                 }
2016                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2017                      folder_has_parent_of_type(item, F_QUEUE)  ||
2018                      folder_has_parent_of_type(item, F_DRAFT)  ||
2019                      folder_has_parent_of_type(item, F_TRASH)) &&
2020                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2021                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2022                 if (MSG_IS_NEW(msginfo->flags))
2023                         newcnt++;
2024                 if (MSG_IS_UNREAD(msginfo->flags))
2025                         unreadcnt++;
2026                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2027                         unreadmarkedcnt++;
2028                 if (MSG_IS_MARKED(msginfo->flags))
2029                         markedcnt++;
2030
2031                 totalcnt++;
2032
2033                 procmsg_msginfo_free(msginfo);
2034         }
2035         folder_item_set_batch(item, FALSE);
2036         g_slist_free(exists_list);
2037
2038         if(prefs_common.thread_by_subject) {
2039                 g_hash_table_destroy(subject_table);
2040         }
2041
2042         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2043         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2044         ||  item->unreadmarked_msgs != unreadmarkedcnt) {
2045                 update_flags |= F_ITEM_UPDATE_CONTENT;
2046         }
2047
2048         item->new_msgs = newcnt;
2049         item->unread_msgs = unreadcnt;
2050         item->total_msgs = totalcnt;
2051         item->unreadmarked_msgs = unreadmarkedcnt;
2052         item->marked_msgs = markedcnt;
2053
2054         update_flags |= F_ITEM_UPDATE_MSGCNT;
2055
2056         folder_item_update(item, update_flags);
2057         folder_item_update_thaw();
2058
2059         item->scanning = FALSE;
2060
2061         return 0;
2062 }
2063
2064 gint folder_item_scan(FolderItem *item)
2065 {
2066         return folder_item_scan_full(item, TRUE);
2067 }
2068
2069 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
2070 {
2071         FolderItem *item = node->data;
2072
2073         folder_item_scan(item);
2074
2075         return FALSE;
2076 }
2077
2078 void folder_scan_all_items(Folder * folder)
2079 {
2080         g_node_traverse(folder->node, G_PRE_ORDER,
2081                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
2082 }
2083
2084 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
2085                                           gpointer data)
2086 {
2087         folder_item_scan(FOLDER_ITEM(key));
2088 }
2089
2090 void folder_item_scan_foreach(GHashTable *table)
2091 {
2092         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
2093 }
2094
2095 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2096 {
2097         gint *memusage = (gint *)data;
2098
2099         if (item->cache == NULL)
2100                 return;
2101
2102         *memusage += msgcache_get_memory_usage(item->cache);
2103 }
2104
2105 gint folder_item_syncronize_flags(FolderItem *item)
2106 {
2107         MsgInfoList *msglist = NULL;
2108         GSList *cur;
2109         gint ret = 0;
2110
2111         g_return_val_if_fail(item != NULL, -1);
2112         g_return_val_if_fail(item->folder != NULL, -1);
2113         g_return_val_if_fail(item->folder->klass != NULL, -1);
2114         if (item->no_select)
2115                 return -1;
2116
2117         item->scanning = TRUE;
2118
2119         if (item->cache == NULL)
2120                 folder_item_read_cache(item);
2121
2122         msglist = msgcache_get_msg_list(item->cache);
2123
2124         ret = syncronize_flags(item, msglist);
2125
2126         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
2127                 procmsg_msginfo_free((MsgInfo *) cur->data);
2128
2129         g_slist_free(msglist);
2130
2131         item->scanning = FALSE;
2132
2133         return ret;
2134 }
2135
2136 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2137 {
2138         FolderItem *fa = (FolderItem *)a;
2139         FolderItem *fb = (FolderItem *)b;
2140
2141         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2142 }
2143
2144 void folder_find_expired_caches(FolderItem *item, gpointer data)
2145 {
2146         GSList **folder_item_list = (GSList **)data;
2147         gint difftime, expiretime;
2148
2149         if (item->cache == NULL)
2150                 return;
2151
2152         if (item->opened > 0)
2153                 return;
2154
2155         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2156         expiretime = prefs_common.cache_min_keep_time * 60;
2157         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2158
2159         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2160                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2161         }
2162 }
2163
2164 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2165 {
2166         g_return_val_if_fail(item != NULL, TRUE);
2167
2168         if (item->cache == NULL)
2169                 return TRUE;
2170
2171         if (item->opened > 0 && !force)
2172                 return FALSE;
2173
2174         folder_item_write_cache(item);
2175         msgcache_destroy(item->cache);
2176         item->cache = NULL;
2177         return TRUE;
2178 }
2179
2180 void folder_clean_cache_memory_force(void)
2181 {
2182         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2183         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2184
2185         prefs_common.cache_max_mem_usage = 0;
2186         prefs_common.cache_min_keep_time = 0;
2187
2188         folder_clean_cache_memory(NULL);
2189
2190         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2191         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2192 }
2193
2194 void folder_clean_cache_memory(FolderItem *protected_item)
2195 {
2196         gint memusage = 0;
2197
2198         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2199         debug_print("Total cache memory usage: %d\n", memusage);
2200
2201         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2202                 GSList *folder_item_list = NULL, *listitem;
2203
2204                 debug_print("Trying to free cache memory\n");
2205
2206                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2207                 listitem = folder_item_list;
2208                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2209                         FolderItem *item = (FolderItem *)(listitem->data);
2210                         gint cache_size = 0;
2211                         if (item == protected_item) {
2212                                 listitem = listitem->next;
2213                                 continue;
2214                         }
2215                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2216                         cache_size = msgcache_get_memory_usage(item->cache);
2217                         if (folder_item_free_cache(item, FALSE))
2218                                 memusage -= cache_size;
2219
2220                         listitem = listitem->next;
2221                 }
2222                 g_slist_free(folder_item_list);
2223         }
2224 }
2225
2226 void folder_item_read_cache(FolderItem *item)
2227 {
2228         gchar *cache_file, *mark_file;
2229         START_TIMING("");
2230         g_return_if_fail(item != NULL);
2231
2232         if (item->path != NULL) {
2233                 cache_file = folder_item_get_cache_file(item);
2234                 mark_file = folder_item_get_mark_file(item);
2235                 item->cache = msgcache_read_cache(item, cache_file);
2236                 if (!item->cache) {
2237                         MsgInfoList *list, *cur;
2238                         guint newcnt = 0, unreadcnt = 0;
2239                         guint markedcnt = 0, unreadmarkedcnt = 0;
2240                         MsgInfo *msginfo;
2241
2242                         item->cache = msgcache_new();
2243                         folder_item_scan_full(item, TRUE);
2244
2245                         msgcache_read_mark(item->cache, mark_file);
2246
2247                         list = msgcache_get_msg_list(item->cache);
2248                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2249                                 msginfo = cur->data;
2250
2251                                 if (MSG_IS_NEW(msginfo->flags))
2252                                         newcnt++;
2253                                 if (MSG_IS_UNREAD(msginfo->flags))
2254                                         unreadcnt++;
2255                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2256                                         unreadmarkedcnt++;
2257                                 if (MSG_IS_MARKED(msginfo->flags))
2258                                         markedcnt++;
2259                         }
2260                         item->new_msgs = newcnt;
2261                         item->unread_msgs = unreadcnt;
2262                         item->unreadmarked_msgs = unreadmarkedcnt;
2263                         item->marked_msgs = markedcnt;
2264                         procmsg_msg_list_free(list);
2265                 } else
2266                         msgcache_read_mark(item->cache, mark_file);
2267
2268                 g_free(cache_file);
2269                 g_free(mark_file);
2270         } else {
2271                 item->cache = msgcache_new();
2272         }
2273         END_TIMING();
2274         folder_clean_cache_memory(item);
2275 }
2276
2277 void folder_item_write_cache(FolderItem *item)
2278 {
2279         gchar *cache_file, *mark_file;
2280         FolderItemPrefs *prefs;
2281         gint filemode = 0;
2282         gchar *id;
2283         time_t last_mtime = (time_t)0;
2284         gboolean need_scan = FALSE;
2285
2286         if (!item || !item->path || !item->cache)
2287                 return;
2288
2289         if (FOLDER_TYPE(item->folder) == F_MH) {
2290                 last_mtime = item->mtime;
2291                 need_scan = item->folder->klass->scan_required(item->folder, item);
2292         }
2293
2294         id = folder_item_get_identifier(item);
2295         debug_print("Save cache for folder %s\n", id);
2296         g_free(id);
2297
2298         cache_file = folder_item_get_cache_file(item);
2299         mark_file = folder_item_get_mark_file(item);
2300         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2301                 prefs = item->prefs;
2302                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2303                         /* for cache file */
2304                         filemode = prefs->folder_chmod;
2305                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2306                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2307                         chmod(cache_file, filemode);
2308                 }
2309         }
2310
2311         if (!need_scan && FOLDER_TYPE(item->folder) == F_MH) {
2312                 if (item->mtime == last_mtime) {
2313                         mh_set_mtime(item);
2314                 }
2315         }
2316
2317         g_free(cache_file);
2318         g_free(mark_file);
2319 }
2320
2321 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2322 {
2323         Folder *folder;
2324         MsgInfo *msginfo = NULL;
2325
2326         g_return_val_if_fail(item != NULL, NULL);
2327         if (item->no_select)
2328                 return NULL;
2329         folder = item->folder;
2330         if (!item->cache)
2331                 folder_item_read_cache(item);
2332
2333         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2334                 return msginfo;
2335
2336         msginfo = get_msginfo(item, num);
2337         if (msginfo != NULL) {
2338                 msgcache_add_msg(item->cache, msginfo);
2339                 return msginfo;
2340         }
2341
2342         return NULL;
2343 }
2344
2345 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2346 {
2347         Folder *folder;
2348         MsgInfo *msginfo;
2349
2350         g_return_val_if_fail(item != NULL, NULL);
2351         g_return_val_if_fail(msgid != NULL, NULL);
2352         if (item->no_select)
2353                 return FALSE;
2354
2355         folder = item->folder;
2356         if (!item->cache)
2357                 folder_item_read_cache(item);
2358
2359         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2360                 return msginfo;
2361
2362         return NULL;
2363 }
2364
2365 GSList *folder_item_get_msg_list(FolderItem *item)
2366 {
2367         g_return_val_if_fail(item != NULL, NULL);
2368         if (item->no_select)
2369                 return FALSE;
2370
2371         if (item->cache == 0)
2372                 folder_item_read_cache(item);
2373
2374         g_return_val_if_fail(item->cache != NULL, NULL);
2375
2376         return msgcache_get_msg_list(item->cache);
2377 }
2378
2379 void msginfo_set_mime_flags(GNode *node, gpointer data)
2380 {
2381         MsgInfo *msginfo = data;
2382         MimeInfo *mimeinfo = node->data;
2383
2384         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2385          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2386                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2387         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2388                  mimeinfo->type != MIMETYPE_TEXT &&
2389                  mimeinfo->type != MIMETYPE_MULTIPART) {
2390                 if (!mimeinfo->subtype
2391                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2392                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2393         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2394                 strcmp(mimeinfo->subtype, "pgp-signature") &&
2395                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2396                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2397                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2398         }
2399
2400         /* don't descend below top level message for signed and encrypted info */
2401         if (mimeinfo->type == MIMETYPE_MESSAGE)
2402                 return;
2403
2404         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2405                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2406         }
2407
2408         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2409                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2410         } else {
2411                 /* searching inside encrypted parts doesn't really make sense */
2412                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2413         }
2414 }
2415
2416 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2417 {
2418         Folder *folder;
2419         gchar *msgfile;
2420         MsgInfo *msginfo;
2421
2422         g_return_val_if_fail(item != NULL, NULL);
2423
2424         folder = item->folder;
2425
2426         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2427         if (item->no_select)
2428                 return NULL;
2429
2430         msgfile = folder->klass->fetch_msg(folder, item, num);
2431
2432         if (msgfile != NULL) {
2433                 msginfo = folder_item_get_msginfo(item, num);
2434                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2435                         MimeInfo *mimeinfo;
2436
2437                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2438                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2439                                 mimeinfo = procmime_scan_file(msgfile);
2440                         else
2441                                 mimeinfo = procmime_scan_queue_file(msgfile);
2442                         /* check for attachments */
2443                         if (mimeinfo != NULL) {
2444                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2445                                 procmime_mimeinfo_free_all(mimeinfo);
2446
2447                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2448                         }
2449                 }
2450                 procmsg_msginfo_free(msginfo);
2451         }
2452
2453         return msgfile;
2454 }
2455
2456 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2457                                   gboolean body)
2458 {
2459         Folder *folder;
2460         gchar *msgfile;
2461         MsgInfo *msginfo;
2462
2463         g_return_val_if_fail(item != NULL, NULL);
2464         if (item->no_select)
2465                 return NULL;
2466
2467         folder = item->folder;
2468
2469         if (folder->klass->fetch_msg_full == NULL)
2470                 return folder_item_fetch_msg(item, num);
2471
2472         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2473                                                 headers, body);
2474
2475         if (msgfile != NULL) {
2476                 msginfo = folder_item_get_msginfo(item, num);
2477                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2478                         MimeInfo *mimeinfo;
2479
2480                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2481                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2482                                 mimeinfo = procmime_scan_file(msgfile);
2483                         else
2484                                 mimeinfo = procmime_scan_queue_file(msgfile);
2485                         /* check for attachments */
2486                         if (mimeinfo != NULL) {
2487                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2488                                 procmime_mimeinfo_free_all(mimeinfo);
2489
2490                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2491                         }
2492                 }
2493                 procmsg_msginfo_free(msginfo);
2494         }
2495
2496         return msgfile;
2497 }
2498
2499
2500 gint folder_item_fetch_all_msg(FolderItem *item)
2501 {
2502         Folder *folder;
2503         GSList *mlist;
2504         GSList *cur;
2505         gint num = 0;
2506         gint ret = 0;
2507         gint total = 0;
2508
2509         g_return_val_if_fail(item != NULL, -1);
2510         if (item->no_select)
2511                 return -1;
2512
2513         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2514         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2515
2516         folder = item->folder;
2517
2518         if (folder->ui_func)
2519                 folder->ui_func(folder, item, folder->ui_func_data ?
2520                                 folder->ui_func_data : GINT_TO_POINTER(num));
2521
2522         mlist = folder_item_get_msg_list(item);
2523
2524         total = g_slist_length(mlist);
2525
2526         for (cur = mlist; cur != NULL; cur = cur->next) {
2527                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2528                 gchar *msg;
2529
2530                 statusbar_progress_all(num++,total, 10);
2531
2532                 if (folder->ui_func)
2533                         folder->ui_func(folder, item,
2534                                         folder->ui_func_data ?
2535                                         folder->ui_func_data :
2536                                         GINT_TO_POINTER(num));
2537
2538                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2539                 if (!msg) {
2540                         g_warning("Can't fetch message %d. Aborting.\n",
2541                                   msginfo->msgnum);
2542                         ret = -1;
2543                         break;
2544                 }
2545                 g_free(msg);
2546         }
2547
2548         statusbar_progress_all(0,0,0);
2549         statusbar_pop_all();
2550         procmsg_msg_list_free(mlist);
2551
2552         return ret;
2553 }
2554
2555 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2556 {
2557         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2558                                        {NULL,           NULL, FALSE}};
2559         FILE *fp;
2560         MsgInfo *msginfo;
2561         gint msgnum = 0;
2562         gchar buf[BUFFSIZE];
2563
2564         if ((fp = g_fopen(file, "rb")) == NULL)
2565                 return 0;
2566
2567         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2568             (folder_has_parent_of_type(dest, F_DRAFT)))
2569                 while (fgets(buf, sizeof(buf), fp) != NULL)
2570                         if (buf[0] == '\r' || buf[0] == '\n') break;
2571
2572         procheader_get_header_fields(fp, hentry);
2573         if (hentry[0].body) {
2574                 extract_parenthesis(hentry[0].body, '<', '>');
2575                 remove_space(hentry[0].body);
2576                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2577                         msgnum = msginfo->msgnum;
2578                         procmsg_msginfo_free(msginfo);
2579
2580                         debug_print("found message as uid %d\n", msgnum);
2581                 }
2582         }
2583
2584         g_free(hentry[0].body);
2585         hentry[0].body = NULL;
2586         fclose(fp);
2587
2588         return msgnum;
2589 }
2590
2591 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2592 {
2593         MsgPermFlags perm_flags = 0;
2594         MsgTmpFlags tmp_flags = 0;
2595
2596         /* create new flags */
2597         if (source != NULL) {
2598                 /* copy original flags */
2599                 perm_flags = source->flags.perm_flags;
2600                 tmp_flags = source->flags.tmp_flags;
2601         } else {
2602                 perm_flags = dest->flags.perm_flags;
2603                 tmp_flags = dest->flags.tmp_flags;
2604         }
2605
2606         /* remove new, unread and deleted in special folders */
2607         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2608             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2609             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2610             folder_has_parent_of_type(dest->folder, F_TRASH))
2611                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2612
2613         /* set ignore flag of ignored parent exists */
2614         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2615                 perm_flags |= MSG_IGNORE_THREAD;
2616
2617         /* Unset tmp flags that should not be copied */
2618         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
2619
2620         /* unset flags that are set but should not */
2621         /* and set new flags */
2622         procmsg_msginfo_change_flags(dest,
2623                                   ~dest->flags.perm_flags & perm_flags,
2624                                   ~dest->flags.tmp_flags  & tmp_flags,
2625                                    dest->flags.perm_flags & ~perm_flags,
2626                                    dest->flags.tmp_flags  & ~tmp_flags);
2627 }
2628
2629 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2630 {
2631         /* update folder stats */
2632         if (MSG_IS_NEW(newmsginfo->flags))
2633                 item->new_msgs++;
2634         if (MSG_IS_UNREAD(newmsginfo->flags))
2635                 item->unread_msgs++;
2636         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2637                 item->unreadmarked_msgs++;
2638         if (MSG_IS_MARKED(newmsginfo->flags))
2639                 item->marked_msgs++;
2640         item->total_msgs++;
2641
2642         folder_item_update_freeze();
2643
2644         if (!item->cache)
2645                 folder_item_read_cache(item);
2646
2647         msgcache_add_msg(item->cache, newmsginfo);
2648         copy_msginfo_flags(flagsource, newmsginfo);
2649         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2650         folder_item_update_thaw();
2651 }
2652
2653 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2654 {
2655         MsgInfoUpdate msginfo_update;
2656
2657         if (!item->cache)
2658                 folder_item_read_cache(item);
2659
2660         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2661                 msginfo->folder->new_msgs--;
2662         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2663                 msginfo->folder->unread_msgs--;
2664         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2665                 msginfo->folder->unreadmarked_msgs--;
2666         if (MSG_IS_MARKED(msginfo->flags))
2667                 item->marked_msgs--;
2668
2669         msginfo->folder->total_msgs--;
2670
2671         msginfo_update.msginfo = msginfo;
2672         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2673         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2674
2675         msgcache_remove_msg(item->cache, msginfo->msgnum);
2676         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2677 }
2678
2679 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2680                          MsgFlags *flags, gboolean remove_source)
2681 {
2682         GSList file_list;
2683         MsgFileInfo fileinfo;
2684
2685         g_return_val_if_fail(dest != NULL, -1);
2686         g_return_val_if_fail(file != NULL, -1);
2687
2688         fileinfo.msginfo = NULL;
2689         fileinfo.file = (gchar *)file;
2690         fileinfo.flags = flags;
2691         file_list.data = &fileinfo;
2692         file_list.next = NULL;
2693
2694         return folder_item_add_msgs(dest, &file_list, remove_source);
2695 }
2696
2697 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2698                           gboolean remove_source)
2699 {
2700         Folder *folder;
2701         gint ret, num, lastnum = -1;
2702         GSList *file_cur;
2703         GRelation *relation;
2704         MsgFileInfo *fileinfo = NULL;
2705         gboolean folderscan = FALSE;
2706
2707         g_return_val_if_fail(dest != NULL, -1);
2708         g_return_val_if_fail(file_list != NULL, -1);
2709         g_return_val_if_fail(dest->folder != NULL, -1);
2710         if (dest->no_select)
2711                 return -1;
2712
2713         folder = dest->folder;
2714
2715         relation = g_relation_new(2);
2716         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2717
2718         if (folder->klass->add_msgs != NULL) {
2719                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2720                 if (ret < 0) {
2721                         g_relation_destroy(relation);
2722                         return ret;
2723                 }
2724         } else {
2725                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2726                         fileinfo = (MsgFileInfo *) file_cur->data;
2727
2728                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2729                         if (ret < 0) {
2730                                 g_relation_destroy(relation);
2731                                 return ret;
2732                         }
2733                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2734                 }
2735         }
2736
2737         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2738                 GTuples *tuples;
2739
2740                 fileinfo = (MsgFileInfo *) file_cur->data;
2741                 tuples = g_relation_select(relation, fileinfo, 0);
2742                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2743                 g_tuples_destroy(tuples);
2744
2745                 if (num >= 0) {
2746                         MsgInfo *newmsginfo;
2747
2748                         if (num == 0) {
2749                                 if (!folderscan) {
2750                                         folder_item_scan_full(dest, FALSE);
2751                                         folderscan = TRUE;
2752                                 }
2753                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2754                         }
2755
2756                         if (num > lastnum)
2757                                 lastnum = num;
2758
2759                         if (num >= 0 && remove_source) {
2760                                 if (g_unlink(fileinfo->file) < 0)
2761                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2762                         }
2763
2764                         if (num == 0)
2765                                 continue;
2766
2767                         if (!folderscan &&
2768                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2769                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2770                                 procmsg_msginfo_free(newmsginfo);
2771                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2772                                 /* TODO: set default flags */
2773                                 procmsg_msginfo_free(newmsginfo);
2774                         }
2775                 }
2776         }
2777
2778         g_relation_destroy(relation);
2779
2780         return lastnum;
2781 }
2782
2783 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
2784 {
2785         GSList *mlist;
2786         FolderItem *new_item;
2787         FolderItem *next_item;
2788         GNode *srcnode;
2789         gchar *old_id, *new_id;
2790
2791         /* move messages */
2792         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
2793         new_item = folder_create_folder(dest, src->name);
2794         if (new_item == NULL) {
2795                 printf("Can't create folder\n");
2796                 return NULL;
2797         }
2798
2799         if (new_item->folder == NULL)
2800                 new_item->folder = dest->folder;
2801
2802         /* move messages */
2803         log_message(copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
2804                         src->name, new_item->path);
2805
2806         mlist = folder_item_get_msg_list(src);
2807
2808         if (mlist != NULL) {
2809                 if (copy)
2810                         folder_item_copy_msgs(new_item, mlist);
2811                 else
2812                         folder_item_move_msgs(new_item, mlist);
2813                 procmsg_msg_list_free(mlist);
2814         }
2815
2816         /*copy prefs*/
2817         folder_item_prefs_copy_prefs(src, new_item);
2818
2819         /* copy internal data */
2820         if (src->folder->klass == new_item->folder->klass &&
2821             src->folder->klass->copy_private_data != NULL)
2822                 src->folder->klass->copy_private_data(src->folder,
2823                                         src, new_item);
2824         new_item->collapsed = src->collapsed;
2825         new_item->thread_collapsed = src->thread_collapsed;
2826         new_item->threaded  = src->threaded;
2827         new_item->ret_rcpt  = src->ret_rcpt;
2828         new_item->hide_read_msgs = src->hide_read_msgs;
2829         new_item->sort_key  = src->sort_key;
2830         new_item->sort_type = src->sort_type;
2831
2832         prefs_matcher_write_config();
2833
2834         /* recurse */
2835         srcnode = src->folder->node;
2836         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2837         srcnode = srcnode->children;
2838         while (srcnode != NULL) {
2839                 if (srcnode && srcnode->data) {
2840                         next_item = (FolderItem*) srcnode->data;
2841                         srcnode = srcnode->next;
2842                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
2843                                 return NULL;
2844                         }
2845                 }
2846         }
2847         old_id = folder_item_get_identifier(src);
2848         new_id = folder_item_get_identifier(new_item);
2849
2850         /* if src supports removing, otherwise only copy folder */
2851         if (src->folder->klass->remove_folder != NULL && !copy)
2852                 src->folder->klass->remove_folder(src->folder, src);
2853         folder_write_list();
2854
2855         if (!copy) {
2856                 debug_print("updating rules : %s => %s\n", old_id, new_id);
2857                 if (old_id != NULL && new_id != NULL) {
2858                         prefs_filtering_rename_path(old_id, new_id);
2859                         account_rename_path(old_id, new_id);
2860                 }
2861         }
2862         g_free(old_id);
2863         g_free(new_id);
2864
2865         return new_item;
2866 }
2867
2868 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
2869 {
2870         FolderItem *tmp = folder_item_parent(dest);
2871         gchar * src_identifier, * dst_identifier;
2872         gchar * phys_srcpath, * phys_dstpath, *tmppath;
2873
2874         while (tmp) {
2875                 if (tmp == src) {
2876                         return F_MOVE_FAILED_DEST_IS_CHILD;
2877                 }
2878                 tmp = folder_item_parent(tmp);
2879         }
2880
2881         tmp = folder_item_parent(src);
2882
2883         src_identifier = folder_item_get_identifier(src);
2884         dst_identifier = folder_item_get_identifier(dest);
2885
2886         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2887                 /* dest can be a root folder */
2888                 dst_identifier = folder_get_identifier(dest->folder);
2889         }
2890         if (src_identifier == NULL || dst_identifier == NULL) {
2891                 debug_print("Can't get identifiers\n");
2892                 return F_MOVE_FAILED;
2893         }
2894
2895         if (src->folder != dest->folder && !copy) {
2896                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2897         }
2898
2899         phys_srcpath = folder_item_get_path(src);
2900         tmppath = folder_item_get_path(dest);
2901         phys_dstpath = g_strconcat(tmppath,
2902                        G_DIR_SEPARATOR_S,
2903                        g_path_get_basename(phys_srcpath),
2904                        NULL);
2905         g_free(tmppath);
2906
2907         if (folder_item_parent(src) == dest || src == dest) {
2908                 g_free(src_identifier);
2909                 g_free(dst_identifier);
2910                 g_free(phys_srcpath);
2911                 g_free(phys_dstpath);
2912                 return F_MOVE_FAILED_DEST_IS_PARENT;
2913         }
2914         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2915         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
2916                 return F_MOVE_FAILED;
2917         }
2918
2919         g_free(src_identifier);
2920         g_free(dst_identifier);
2921         g_free(phys_srcpath);
2922         g_free(phys_dstpath);
2923
2924         *new_item = tmp;
2925
2926         return F_MOVE_OK;
2927 }
2928
2929 /**
2930  * Copy a list of message to a new folder and remove
2931  * source messages if wanted
2932  */
2933 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2934 {
2935         Folder *folder;
2936         GSList *l;
2937         gint num, lastnum = -1;
2938         gboolean folderscan = FALSE;
2939         GRelation *relation;
2940         GSList *not_moved = NULL;
2941         gint total = 0, curmsg = 0;
2942         MsgInfo *msginfo = NULL;
2943
2944         g_return_val_if_fail(dest != NULL, -1);
2945         g_return_val_if_fail(msglist != NULL, -1);
2946
2947         folder = dest->folder;
2948
2949         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2950         if (dest->no_select)
2951                 return -1;
2952
2953         msginfo = (MsgInfo *)msglist->data;
2954
2955         if (!msginfo)
2956                 return -1;
2957
2958         if (!MSG_IS_QUEUED(msginfo->flags) &&
2959             MSG_IS_DRAFT(msginfo->flags) &&
2960             folder_has_parent_of_type(dest, F_QUEUE)) {
2961                 GSList *cur = msglist;
2962                 gboolean queue_err = FALSE;
2963                 for (; cur; cur = cur->next) {
2964                         Compose *compose = NULL;
2965                         FolderItem *queue = dest;
2966                         int val = 0;
2967
2968                         msginfo = (MsgInfo *)cur->data;
2969                         compose = compose_reedit(msginfo, TRUE);
2970                         if (compose == NULL) {
2971                                 queue_err = TRUE;
2972                                 continue;
2973                         }
2974                         val = compose_queue(compose, NULL, &queue, NULL,
2975                                         FALSE);
2976                         if (val < 0) {
2977                                 queue_err = TRUE;
2978                         } else if (remove_source) {
2979                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
2980                         }
2981                         if (val == 0)
2982                                 compose_close(compose);
2983                 }
2984                 return queue_err ? -1:0;
2985         }
2986
2987         relation = g_relation_new(2);
2988         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2989         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2990
2991         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2992                 MsgInfo * msginfo = (MsgInfo *) l->data;
2993
2994                 if (msginfo->planned_download != 0) {
2995                         int old_planned = msginfo->planned_download;
2996                         partial_unmark(msginfo);
2997                         /* little hack to reenable after */
2998                         msginfo->planned_download = old_planned;
2999                 }
3000         }
3001
3002         /*
3003          * Copy messages to destination folder and
3004          * store new message numbers in newmsgnums
3005          */
3006         if (folder->klass->copy_msgs != NULL) {
3007                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3008                         g_relation_destroy(relation);
3009                         return -1;
3010                 }
3011         } else {
3012                 MsgInfo * msginfo;
3013                 l = msglist;
3014
3015                 /* immediately stop if src and dest folders are identical */
3016                 if (l != NULL) {
3017                         msginfo = (MsgInfo *) l->data;
3018                         if (msginfo != NULL && msginfo->folder == dest) {
3019                                 g_relation_destroy(relation);
3020                                 return -1;
3021                         }
3022                 }
3023
3024                 for (; l != NULL ; l = g_slist_next(l)) {
3025                         msginfo = (MsgInfo *) l->data;
3026
3027                         num = folder->klass->copy_msg(folder, dest, msginfo);
3028                         if (num > 0)
3029                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
3030                         else
3031                                 not_moved = g_slist_prepend(not_moved, msginfo);
3032                 }
3033         }
3034
3035         if (remove_source) {
3036                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3037                 FolderItem *item = msginfo->folder;
3038                 /*
3039                  * Remove source messages from their folders if
3040                  * copying was successfull and update folder
3041                  * message counts
3042                  */
3043                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3044                         item->folder->klass->remove_msgs(item->folder,
3045                                                                 msginfo->folder,
3046                                                                 msglist,
3047                                                                 relation);
3048                 }
3049                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3050                         GTuples *tuples;
3051                         msginfo = (MsgInfo *) l->data;
3052                         item = msginfo->folder;
3053
3054                         tuples = g_relation_select(relation, msginfo, 0);
3055                         if (tuples) {
3056                                 if (tuples->len)
3057                                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3058                                 else
3059                                         num = 0;
3060                                 g_tuples_destroy(tuples);
3061                         } else {
3062                                 num = -1;
3063                         }
3064
3065                         if (g_slist_find(not_moved, msginfo))
3066                                 continue;
3067
3068                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3069                                 if (!item->folder->klass->remove_msgs)
3070                                         item->folder->klass->remove_msg(item->folder,
3071                                                                 msginfo->folder,
3072                                                                 msginfo->msgnum);
3073                                 remove_msginfo_from_cache(item, msginfo);
3074                         }
3075                 }
3076         }
3077
3078         /* Read cache for dest folder */
3079         if (!dest->cache) folder_item_read_cache(dest);
3080
3081         /*
3082          * Fetch new MsgInfos for new messages in dest folder,
3083          * add them to the msgcache and update folder message counts
3084          */
3085         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
3086                 folder_item_scan_full(dest, FALSE);
3087                 folderscan = TRUE;
3088         }
3089
3090         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3091         total = g_slist_length(msglist);
3092         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3093                 MsgInfo *msginfo = (MsgInfo *) l->data;
3094                 GTuples *tuples;
3095
3096                 tuples = g_relation_select(relation, msginfo, 0);
3097                 if (tuples->len > 0) {
3098                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3099                         g_tuples_destroy(tuples);
3100                 } else {
3101                         num = 0;
3102                         if (tuples)
3103                                 g_tuples_destroy(tuples);
3104                 }
3105                 statusbar_progress_all(curmsg++,total, 100);
3106                 if (curmsg % 100 == 0)
3107                         GTK_EVENTS_FLUSH();
3108
3109                 if (num >= 0) {
3110                         MsgInfo *newmsginfo = NULL;
3111
3112                         if (folderscan) {
3113                                 if (msginfo->msgid != NULL) {
3114                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3115                                         if (newmsginfo != NULL) {
3116                                                 copy_msginfo_flags(msginfo, newmsginfo);
3117                                                 num = newmsginfo->msgnum;
3118                                         }
3119                                 }
3120                         } else {
3121                                 newmsginfo = get_msginfo(dest, num);
3122                                 if (newmsginfo != NULL) {
3123                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3124                                 }
3125                         }
3126
3127                         if (msginfo->planned_download
3128                             == POP3_PARTIAL_DLOAD_DELE) {
3129                                 partial_mark_for_delete(newmsginfo);
3130                         }
3131                         if (msginfo->planned_download
3132                             == POP3_PARTIAL_DLOAD_DLOAD) {
3133                                 partial_mark_for_download(newmsginfo);
3134                         }
3135                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3136                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3137                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3138                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3139                         }
3140                         procmsg_msginfo_free(newmsginfo);
3141
3142
3143                         if (num > lastnum)
3144                                 lastnum = num;
3145                 }
3146         }
3147         statusbar_progress_all(0,0,0);
3148         statusbar_pop_all();
3149
3150         g_relation_destroy(relation);
3151         if (not_moved != NULL) {
3152                 g_slist_free(not_moved);
3153                 return -1;
3154         } else
3155                 return lastnum;
3156 }
3157
3158 /**
3159  * Move a message to a new folder.
3160  *
3161  * \param dest Destination folder
3162  * \param msginfo The message
3163  */
3164 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3165 {
3166         GSList list;
3167
3168         g_return_val_if_fail(dest != NULL, -1);
3169         g_return_val_if_fail(msginfo != NULL, -1);
3170
3171         list.data = msginfo;
3172         list.next = NULL;
3173
3174         return do_copy_msgs(dest, &list, TRUE);
3175 }
3176
3177 /**
3178  * Move a list of messages to a new folder.
3179  *
3180  * \param dest Destination folder
3181  * \param msglist List of messages
3182  */
3183 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3184 {
3185         gint result = -1;
3186         g_return_val_if_fail(dest != NULL, -1);
3187         g_return_val_if_fail(msglist != NULL, -1);
3188         inc_lock();
3189         result = do_copy_msgs(dest, msglist, TRUE);
3190         inc_unlock();
3191         return result;
3192 }
3193
3194 /**
3195  * Copy a message to a new folder.
3196  *
3197  * \param dest Destination folder
3198  * \param msginfo The message
3199  */
3200 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3201 {
3202         GSList list;
3203
3204         g_return_val_if_fail(dest != NULL, -1);
3205         g_return_val_if_fail(msginfo != NULL, -1);
3206
3207         list.data = msginfo;
3208         list.next = NULL;
3209
3210         return do_copy_msgs(dest, &list, FALSE);
3211 }
3212
3213 /**
3214  * Copy a list of messages to a new folder.
3215  *
3216  * \param dest Destination folder
3217  * \param msglist List of messages
3218  */
3219 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3220 {
3221         gint result;
3222         g_return_val_if_fail(dest != NULL, -1);
3223         g_return_val_if_fail(msglist != NULL, -1);
3224
3225         inc_lock();
3226         result = do_copy_msgs(dest, msglist, FALSE);
3227         inc_unlock();
3228
3229         return result;
3230 }
3231
3232 gint folder_item_remove_msg(FolderItem *item, gint num)
3233 {
3234         Folder *folder;
3235         gint ret;
3236         MsgInfo *msginfo;
3237
3238         g_return_val_if_fail(item != NULL, -1);
3239         folder = item->folder;
3240         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3241         if (item->no_select)
3242                 return -1;
3243
3244         if (!item->cache) folder_item_read_cache(item);
3245
3246         ret = folder->klass->remove_msg(folder, item, num);
3247
3248         msginfo = msgcache_get_msg(item->cache, num);
3249         if (msginfo != NULL) {
3250                 remove_msginfo_from_cache(item, msginfo);
3251                 procmsg_msginfo_free(msginfo);
3252         }
3253
3254         return ret;
3255 }
3256
3257 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3258 {
3259         Folder *folder;
3260         gint ret = 0;
3261
3262         g_return_val_if_fail(item != NULL, -1);
3263         folder = item->folder;
3264         g_return_val_if_fail(folder != NULL, -1);
3265         if (item->no_select)
3266                 return -1;
3267         inc_lock();
3268         if (!item->cache) folder_item_read_cache(item);
3269
3270         folder_item_update_freeze();
3271         if (item->folder->klass->remove_msgs) {
3272                 ret = item->folder->klass->remove_msgs(item->folder,
3273                                                         item,
3274                                                         msglist,
3275                                                         NULL);
3276         }
3277         while (ret == 0 && msglist != NULL) {
3278                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3279                 if (MSG_IS_LOCKED(msginfo->flags)) {
3280                         msglist = msglist->next;
3281                         continue;
3282                 }
3283                 if (!item->folder->klass->remove_msgs)
3284                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3285                 if (ret != 0) break;
3286                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3287                 msglist = msglist->next;
3288         }
3289         folder_item_scan_full(item, FALSE);
3290         folder_item_update_thaw();
3291         inc_unlock();
3292         return ret;
3293 }
3294
3295 gint folder_item_remove_all_msg(FolderItem *item)
3296 {
3297         Folder *folder;
3298         gint result;
3299
3300         g_return_val_if_fail(item != NULL, -1);
3301         if (item->no_select)
3302                 return -1;
3303
3304         folder = item->folder;
3305
3306         inc_lock();
3307         if (folder->klass->remove_all_msg != NULL) {
3308                 result = folder->klass->remove_all_msg(folder, item);
3309
3310                 if (result == 0) {
3311                         folder_item_free_cache(item, TRUE);
3312                         item->cache = msgcache_new();
3313                 }
3314         } else {
3315                 MsgInfoList *msglist;
3316
3317                 msglist = folder_item_get_msg_list(item);
3318                 result = folder_item_remove_msgs(item, msglist);
3319                 procmsg_msg_list_free(msglist);
3320         }
3321
3322         if (result == 0) {
3323                 item->new_msgs = 0;
3324                 item->unread_msgs = 0;
3325                 item->unreadmarked_msgs = 0;
3326                 item->marked_msgs = 0;
3327                 item->total_msgs = 0;
3328                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3329         }
3330
3331         inc_unlock();
3332         return result;
3333 }
3334
3335 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3336 {
3337         g_return_if_fail(item != NULL);
3338         g_return_if_fail(msginfo != NULL);
3339         if (item->no_select)
3340                 return;
3341
3342         if (item->folder->klass->change_flags != NULL) {
3343                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3344         } else {
3345                 msginfo->flags.perm_flags = newflags;
3346         }
3347 }
3348
3349 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3350 {
3351         Folder *folder;
3352
3353         g_return_val_if_fail(item != NULL, FALSE);
3354         if (item->no_select)
3355                 return FALSE;
3356
3357         folder = item->folder;
3358
3359         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3360
3361         return folder->klass->is_msg_changed(folder, item, msginfo);
3362 }
3363
3364 gchar *folder_item_get_cache_file(FolderItem *item)
3365 {
3366         gchar *path;
3367         gchar *file;
3368
3369         g_return_val_if_fail(item != NULL, NULL);
3370         g_return_val_if_fail(item->path != NULL, NULL);
3371
3372         path = folder_item_get_path(item);
3373         g_return_val_if_fail(path != NULL, NULL);
3374         if (!is_dir_exist(path))
3375                 make_dir_hier(path);
3376         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3377         g_free(path);
3378
3379         return file;
3380 }
3381
3382 gchar *folder_item_get_mark_file(FolderItem *item)
3383 {
3384         gchar *path;
3385         gchar *file;
3386
3387         g_return_val_if_fail(item != NULL, NULL);
3388         g_return_val_if_fail(item->path != NULL, NULL);
3389
3390         path = folder_item_get_path(item);
3391         g_return_val_if_fail(path != NULL, NULL);
3392         if (!is_dir_exist(path))
3393                 make_dir_hier(path);
3394         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3395         g_free(path);
3396
3397         return file;
3398 }
3399
3400 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3401 {
3402         XMLNode *xmlnode = (XMLNode *) nodedata;
3403         Folder *folder = (Folder *) data;
3404         FolderItem *item;
3405
3406         g_return_val_if_fail(xmlnode != NULL, NULL);
3407         g_return_val_if_fail(folder != NULL, NULL);
3408
3409         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3410                 g_warning("tag name != \"folderitem\"\n");
3411                 return NULL;
3412         }
3413
3414         item = folder_item_new(folder, "", "");
3415         if (folder->klass->item_set_xml != NULL)
3416                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3417         else
3418                 folder_item_set_xml(folder, item, xmlnode->tag);
3419
3420         item->folder = folder;
3421
3422         switch (item->stype) {
3423         case F_INBOX:  folder->inbox  = item; break;
3424         case F_OUTBOX: folder->outbox = item; break;
3425         case F_DRAFT:  folder->draft  = item; break;
3426         case F_QUEUE:  folder->queue  = item; break;
3427         case F_TRASH:  folder->trash  = item; break;
3428         default:       break;
3429         }
3430         folder_item_prefs_read_config(item);
3431
3432         return item;
3433 }
3434
3435 static gboolean folder_item_set_node(GNode *node, gpointer data)
3436 {
3437         FolderItem *item = (FolderItem *) node->data;
3438         item->node = node;
3439
3440         return FALSE;
3441 }
3442
3443 static Folder *folder_get_from_xml(GNode *node)
3444 {
3445         Folder *folder;
3446         XMLNode *xmlnode;
3447         GList *list;
3448         FolderClass *klass = NULL;
3449         GNode *cur;
3450
3451         g_return_val_if_fail(node->data != NULL, NULL);
3452
3453         xmlnode = node->data;
3454         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3455                 g_warning("tag name != \"folder\"\n");
3456                 return NULL;
3457         }
3458         list = xmlnode->tag->attr;
3459         for (; list != NULL; list = list->next) {
3460                 XMLAttr *attr = list->data;
3461
3462                 if (!attr || !attr->name || !attr->value) continue;
3463                 if (!strcmp(attr->name, "type"))
3464                         klass = folder_get_class_from_string(attr->value);
3465         }
3466         if (klass == NULL)
3467                 return NULL;
3468
3469         folder = folder_new(klass, "", "");
3470         g_return_val_if_fail(folder != NULL, NULL);
3471
3472         if (klass->set_xml)
3473                 klass->set_xml(folder, xmlnode->tag);
3474         else
3475                 folder_set_xml(folder, xmlnode->tag);
3476
3477         cur = node->children;
3478         while (cur != NULL) {
3479                 GNode *itemnode;
3480
3481                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3482                 g_node_append(folder->node, itemnode);
3483                 cur = cur->next;
3484         }
3485         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3486
3487         return folder;
3488 }
3489
3490 static gchar *folder_get_list_path(void)
3491 {
3492         static gchar *filename = NULL;
3493
3494         if (!filename)
3495                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3496                                         FOLDER_LIST, NULL);
3497
3498         return filename;
3499 }
3500
3501 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3502 {                                                       \
3503         fputs(" " attr "=\"", fp);                      \
3504         xml_file_put_escape_str(fp, str);               \
3505         fputs("\"", fp);                                \
3506 }
3507
3508 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3509 {
3510         FolderItem *item = (FolderItem *) nodedata;
3511         XMLTag *tag;
3512
3513         g_return_val_if_fail(item != NULL, NULL);
3514
3515         if (item->folder->klass->item_get_xml != NULL)
3516                 tag = item->folder->klass->item_get_xml(item->folder, item);
3517         else
3518                 tag = folder_item_get_xml(item->folder, item);
3519
3520         return xml_node_new(tag, NULL);
3521 }
3522
3523 static GNode *folder_get_xml_node(Folder *folder)
3524 {
3525         GNode *node;
3526         XMLNode *xmlnode;
3527         XMLTag *tag;
3528
3529         g_return_val_if_fail(folder != NULL, NULL);
3530
3531         if (folder->klass->get_xml != NULL)
3532                 tag = folder->klass->get_xml(folder);
3533         else
3534                 tag = folder_get_xml(folder);
3535
3536         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3537
3538         xmlnode = xml_node_new(tag, NULL);
3539
3540         node = g_node_new(xmlnode);
3541
3542         g_return_val_if_fail (folder->node != NULL, NULL);
3543
3544         if (folder->node->children) {
3545                 GNode *cur;
3546
3547                 cur = folder->node->children;
3548                 while (cur) {
3549                         GNode *xmlnode;
3550
3551                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3552                         g_node_append(node, xmlnode);
3553                         cur = cur->next;
3554                 }
3555         }
3556
3557         return node;
3558 }
3559
3560 static void folder_update_op_count_rec(GNode *node)
3561 {
3562         FolderItem *fitem = FOLDER_ITEM(node->data);
3563
3564         if (g_node_depth(node) > 0) {
3565                 if (fitem->op_count > 0) {
3566                         fitem->op_count = 0;
3567                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3568                 }
3569                 if (node->children) {
3570                         GNode *child;
3571
3572                         child = node->children;
3573                         while (child) {
3574                                 GNode *cur;
3575
3576                                 cur = child;
3577                                 child = cur->next;
3578                                 folder_update_op_count_rec(cur);
3579                         }
3580                 }
3581         }
3582 }
3583
3584 void folder_update_op_count(void)
3585 {
3586         GList *cur;
3587         Folder *folder;
3588
3589         for (cur = folder_list; cur != NULL; cur = cur->next) {
3590                 folder = cur->data;
3591                 folder_update_op_count_rec(folder->node);
3592         }
3593 }
3594
3595 typedef struct _type_str {
3596         gchar * str;
3597         gint type;
3598 } type_str;
3599
3600
3601 /*
3602 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3603 {
3604         if (item->parent != NULL) {
3605                 gchar * path;
3606                 gchar * id;
3607
3608                 path = folder_item_get_tree_identifier(item->parent);
3609                 if (path == NULL)
3610                         return NULL;
3611
3612                 id = g_strconcat(path, "/", item->name, NULL);
3613                 g_free(path);
3614
3615                 return id;
3616         }
3617         else {
3618                 return g_strconcat("/", item->name, NULL);
3619         }
3620 }
3621 */
3622
3623 /* CLAWS: temporary local folder for filtering */
3624 #define TEMP_FOLDER "TEMP_FOLDER"
3625 #define PROCESSING_FOLDER_ITEM "processing"
3626
3627 static FolderItem *processing_folder_item;
3628
3629 static void folder_create_processing_folder(void)
3630 {
3631         Folder *processing_folder;
3632         gchar      *tmpname;
3633
3634         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3635                 gchar *tmppath;
3636
3637                 tmppath =
3638                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3639                                 "tempfolder", NULL);
3640                 processing_folder =
3641                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3642                 g_free(tmppath);
3643         }
3644         g_assert(processing_folder != NULL);
3645
3646         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3647         /* FIXME: [W32] The code below does not correctly merge
3648            relative filenames; there should be a function to handle
3649            this.  */
3650         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
3651                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3652                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3653                                       NULL);
3654         else
3655                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3656                                       LOCAL_FOLDER(processing_folder)->rootpath,
3657                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3658                                       NULL);
3659
3660         if (!is_dir_exist(tmpname)) {
3661                 debug_print("*TMP* creating %s\n", tmpname);
3662                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3663                                                                                  processing_folder->node->data,
3664                                                                                  PROCESSING_FOLDER_ITEM);
3665         } else {
3666                 debug_print("*TMP* already created\n");
3667                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3668                 g_assert(processing_folder_item);
3669                 folder_item_append(processing_folder->node->data, processing_folder_item);
3670         }
3671         g_assert(processing_folder_item != NULL);
3672         g_free(tmpname);
3673 }
3674
3675 FolderItem *folder_get_default_processing(void)
3676 {
3677         if (!processing_folder_item) {
3678                 folder_create_processing_folder();
3679         }
3680         return processing_folder_item;
3681 }
3682
3683 /* folder_persist_prefs_new() - return hash table with persistent
3684  * settings (and folder name as key).
3685  * (note that in claws other options are in the folder_item_prefs_RC
3686  * file, so those don't need to be included in PersistPref yet)
3687  */
3688 GHashTable *folder_persist_prefs_new(Folder *folder)
3689 {
3690         GHashTable *pptable;
3691
3692         g_return_val_if_fail(folder, NULL);
3693         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3694         folder_get_persist_prefs_recursive(folder->node, pptable);
3695         return pptable;
3696 }
3697
3698 void folder_persist_prefs_free(GHashTable *pptable)
3699 {
3700         g_return_if_fail(pptable);
3701         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3702         g_hash_table_destroy(pptable);
3703 }
3704
3705 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3706 {
3707         if (pptable == NULL || name == NULL) return NULL;
3708         return g_hash_table_lookup(pptable, name);
3709 }
3710
3711 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3712 {
3713         const PersistPrefs *pp;
3714         gchar *id = folder_item_get_identifier(item);
3715
3716         pp = folder_get_persist_prefs(pptable, id);
3717         g_free(id);
3718
3719         if (!pp) return;
3720
3721         /* CLAWS: since not all folder properties have been migrated to
3722          * folderlist.xml, we need to call the old stuff first before
3723          * setting things that apply both to Main and Claws. */
3724         folder_item_prefs_read_config(item);
3725
3726         item->collapsed = pp->collapsed;
3727         item->thread_collapsed = pp->thread_collapsed;
3728         item->threaded  = pp->threaded;
3729         item->ret_rcpt  = pp->ret_rcpt;
3730         item->hide_read_msgs = pp->hide_read_msgs;
3731         item->sort_key  = pp->sort_key;
3732         item->sort_type = pp->sort_type;
3733 }
3734
3735 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3736 {
3737         FolderItem *item = FOLDER_ITEM(node->data);
3738         PersistPrefs *pp;
3739         GNode *child, *cur;
3740         gchar *id;
3741
3742         g_return_if_fail(node != NULL);
3743         g_return_if_fail(item != NULL);
3744
3745         /* NOTE: item->path == NULL means top level folder; not interesting
3746          * to store preferences of that one.  */
3747         if (item->path) {
3748                 id = folder_item_get_identifier(item);
3749                 pp = g_new0(PersistPrefs, 1);
3750                 g_return_if_fail(pp != NULL);
3751                 pp->collapsed = item->collapsed;
3752                 pp->thread_collapsed = item->thread_collapsed;
3753                 pp->threaded  = item->threaded;
3754                 pp->ret_rcpt  = item->ret_rcpt;
3755                 pp->hide_read_msgs = item->hide_read_msgs;
3756                 pp->sort_key  = item->sort_key;
3757                 pp->sort_type = item->sort_type;
3758                 g_hash_table_insert(pptable, id, pp);
3759         }
3760
3761         if (node->children) {
3762                 child = node->children;
3763                 while (child) {
3764                         cur = child;
3765                         child = cur->next;
3766                         folder_get_persist_prefs_recursive(cur, pptable);
3767                 }
3768         }
3769 }
3770
3771 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3772 {
3773         g_free(key);
3774         g_free(val);
3775         return TRUE;
3776 }
3777
3778 void folder_item_apply_processing(FolderItem *item)
3779 {
3780         GSList *processing_list;
3781         GSList *mlist, *cur;
3782         guint total = 0, curmsg = 0;
3783         gint last_apply_per_account;
3784
3785         g_return_if_fail(item != NULL);
3786
3787         if (item->no_select)
3788                return;
3789
3790         processing_list = item->prefs->processing;
3791
3792         if (!pre_global_processing && !processing_list
3793         &&  !post_global_processing)
3794                 return;
3795
3796         debug_print("processing %s\n", item->name);
3797         folder_item_update_freeze();
3798
3799         mlist = folder_item_get_msg_list(item);
3800         total = g_slist_length(mlist);
3801         statusbar_print_all(_("Processing messages..."));
3802
3803         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
3804         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
3805
3806         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3807                 MsgInfo * msginfo;
3808
3809                 msginfo = (MsgInfo *) cur->data;
3810
3811                 /* reset parameters that can be modified by processing */
3812                 msginfo->hidden = 0;
3813                 msginfo->score = 0;
3814
3815                 statusbar_progress_all(curmsg++,total, 10);
3816
3817                 /* apply pre global rules */
3818                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL);
3819
3820                 /* apply rules of the folder */
3821                 filter_message_by_msginfo(processing_list, msginfo, NULL);
3822
3823                 /* apply post global rules */
3824                 filter_message_by_msginfo(post_global_processing, msginfo, NULL);
3825
3826         }
3827         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
3828
3829         if (pre_global_processing || processing_list
3830             || post_global_processing)
3831                 filtering_move_and_copy_msgs(mlist);
3832         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3833                 MsgInfo * msginfo = (MsgInfo *)cur->data;
3834                 procmsg_msginfo_free(msginfo);
3835         }
3836         g_slist_free(mlist);
3837
3838         statusbar_progress_all(0,0,0);
3839         statusbar_pop_all();
3840
3841         folder_item_update_thaw();
3842 }
3843
3844 /*
3845  *  functions for handling FolderItem content changes
3846  */
3847 static gint folder_item_update_freeze_cnt = 0;
3848
3849 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3850 {
3851         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3852                 FolderItemUpdateData source;
3853
3854                 source.item = item;
3855                 source.update_flags = update_flags;
3856                 source.msg = msg;
3857                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3858         } else {
3859                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3860         }
3861 }
3862
3863 /**
3864  * Notify the folder system about changes to a folder. If the
3865  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3866  * be invoked, otherwise the changes will be remebered until
3867  * the folder system is thawed.
3868  *
3869  * \param item The FolderItem that was changed
3870  * \param update_flags Type of changed that was made
3871  */
3872 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3873 {
3874         folder_item_update_with_msg(item, update_flags, NULL);
3875 }
3876
3877 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3878 {
3879         GNode *node = item->folder->node;
3880
3881         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3882         node = node->children;
3883
3884         folder_item_update(item, update_flags);
3885         while (node != NULL) {
3886                 if (node && node->data) {
3887                         FolderItem *next_item = (FolderItem*) node->data;
3888
3889                         folder_item_update(next_item, update_flags);
3890                 }
3891                 node = node->next;
3892         }
3893 }
3894
3895 void folder_item_update_freeze(void)
3896 {
3897         folder_item_update_freeze_cnt++;
3898 }
3899
3900 static void folder_item_update_func(FolderItem *item, gpointer data)
3901 {
3902         FolderItemUpdateData source;
3903
3904         if (item->update_flags) {
3905                 source.item = item;
3906                 source.update_flags = item->update_flags;
3907                 source.msg = NULL;
3908                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3909                 item->update_flags = 0;
3910         }
3911 }
3912
3913 void folder_item_update_thaw(void)
3914 {
3915         if (folder_item_update_freeze_cnt > 0)
3916                 folder_item_update_freeze_cnt--;
3917         if (folder_item_update_freeze_cnt == 0) {
3918                 /* Update all folders */
3919                 folder_func_to_all_folders(folder_item_update_func, NULL);
3920         }
3921 }
3922
3923 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
3924 {
3925         Folder *folder = (Folder *)data;
3926         if (folder == NULL || item->folder == folder) {
3927                 if(item->prefs->offlinesync && item->folder->klass->synchronise)
3928                         item->folder->klass->synchronise(item);
3929         }
3930 }
3931
3932 void folder_synchronise(Folder *folder)
3933 {
3934         folder_func_to_all_folders(folder_item_synchronise_func, folder);
3935 }
3936
3937 typedef struct _WantSyncData {
3938         Folder *folder;
3939         gboolean want_sync;
3940 } WantSyncData;
3941
3942 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
3943 {
3944         WantSyncData *want_sync_data = (WantSyncData *)data;
3945
3946         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
3947                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
3948                         want_sync_data->want_sync |= TRUE;
3949         }
3950 }
3951
3952 gboolean folder_want_synchronise(Folder *folder)
3953 {
3954         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
3955         gboolean result;
3956         want_sync_data->folder = folder;
3957         want_sync_data->want_sync = FALSE;
3958
3959         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
3960         result = want_sync_data->want_sync;
3961         g_free(want_sync_data);
3962         debug_print("Folder %s wants sync: %d\n", folder->name, result);
3963         return result;
3964 }
3965
3966 void folder_item_set_batch (FolderItem *item, gboolean batch)
3967 {
3968         if (item->folder->klass->set_batch) {
3969                 item->folder->klass->set_batch(item->folder, item, batch);
3970         }
3971 }
3972
3973 gboolean folder_has_parent_of_type(FolderItem *item,
3974                                           SpecialFolderItemType type)
3975 {
3976         FolderItem *cur = item;
3977
3978         /* if we already know it, make it short */
3979         if (item->parent_stype != -1) {
3980                 return (item->parent_stype == type);
3981         }
3982
3983         /* if we don't, find the type from the first possible parent,
3984          * and set our parent type to be faster next time */
3985         while (cur) {
3986                 if (cur->stype == type || cur->parent_stype == type) {
3987                         item->parent_stype = type;
3988                         return TRUE;
3989                 }
3990                 cur = folder_item_parent(cur);
3991         }
3992
3993         /* if we didn't match what was asked, we didn't return. If our
3994          * parent type is unknown, we may as well find it now to be faster
3995          * later. */
3996         if (item->parent_stype == -1) {
3997                 cur = item;
3998                 while (cur) {
3999                         /* here's an exception: Inbox subfolders are normal. */
4000                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4001                         && item != cur) {
4002                                 item->parent_stype = F_NORMAL;
4003                                 break;
4004                         }
4005                         /* ah, we know this parent's parent's type, we may as
4006                          * well copy it instead of going up the full way */
4007                         if (cur->parent_stype != -1) {
4008                                 item->parent_stype = cur->parent_stype;
4009                                 break;
4010                         }
4011                         /* we found a parent that has a special type. That's
4012                          * our parent type. */
4013                         if (cur->stype != F_NORMAL) {
4014                                 cur->parent_stype = cur->stype;
4015                                 item->parent_stype = cur->stype;
4016                                 break;
4017                         }
4018                         /* if we didn't find anything, go up once more */
4019                         cur = folder_item_parent(cur);
4020                 }
4021                 /* as we still didn't find anything, our parents must all be
4022                  * normal. */
4023                 if (item->parent_stype == -1) {
4024                         item->parent_stype = F_NORMAL;
4025                 }
4026         }
4027         return FALSE;
4028 }
4029
4030 gboolean folder_subscribe (const gchar *uri)
4031 {
4032         GList *cur;
4033         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4034                 Folder *folder = (Folder *) cur->data;
4035
4036                 if (folder->klass->subscribe
4037                 &&  folder->klass->subscribe(folder, uri)) {
4038                         return TRUE;
4039                 }
4040         }
4041         return FALSE;
4042
4043 }
4044
4045 gboolean folder_get_sort_type           (Folder         *folder,
4046                                          FolderSortKey  *sort_key,
4047                                          FolderSortType *sort_type)
4048 {
4049         if (!folder || !sort_key || !sort_type)
4050                 return FALSE;
4051         if (folder->klass->get_sort_type == NULL)
4052                 return FALSE;
4053         folder->klass->get_sort_type(folder, sort_key, sort_type);
4054         return TRUE;
4055 }
4056
4057 #undef PUT_ESCAPE_STR