src/folder.c

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