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_inbox_for_class(FolderType type)
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->inbox == NULL)
1419                         continue;
1420                 if (folder->klass->type != type)
1421                         continue;
1422
1423                 return folder->inbox;
1424         }
1425
1426         return NULL;
1427 }
1428
1429 FolderItem *folder_get_default_outbox(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->outbox == NULL)
1439                         continue;
1440                 if (folder->klass->type == F_UNKNOWN)
1441                         continue;
1442
1443                 return folder->outbox;
1444         }
1445
1446         return NULL;
1447 }
1448
1449 FolderItem *folder_get_default_draft(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->draft == NULL)
1459                         continue;
1460                 if (folder->klass->type == F_UNKNOWN)
1461                         continue;
1462
1463                 return folder->draft;
1464         }
1465
1466         return NULL;
1467 }
1468
1469 FolderItem *folder_get_default_queue(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->queue == NULL)
1479                         continue;
1480                 if (folder->klass->type == F_UNKNOWN)
1481                         continue;
1482
1483                 return folder->queue;
1484         }
1485
1486         return NULL;
1487 }
1488
1489 FolderItem *folder_get_default_trash(void)
1490 {
1491         GList *flist;
1492
1493         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1494                 Folder * folder = FOLDER(flist->data);
1495
1496                 if (folder == NULL)
1497                         continue;
1498                 if (folder->trash == NULL)
1499                         continue;
1500                 if (folder->klass->type == F_UNKNOWN)
1501                         continue;
1502
1503                 return folder->trash;
1504         }
1505
1506         return NULL;
1507 }
1508
1509 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1510 {                                                               \
1511         if (!folder->member) {                                  \
1512                 item = folder_item_new(folder, dir, dir);       \
1513                 item->stype = type;                             \
1514                 folder_item_append(rootitem, item);             \
1515                 folder->member = item;                          \
1516         }                                                       \
1517 }
1518
1519 void folder_set_missing_folders(void)
1520 {
1521         Folder *folder;
1522         FolderItem *rootitem;
1523         FolderItem *item;
1524         GList *list;
1525
1526         for (list = folder_list; list != NULL; list = list->next) {
1527                 folder = list->data;
1528                 if (FOLDER_TYPE(folder) != F_MH) continue;
1529                 rootitem = FOLDER_ITEM(folder->node->data);
1530                 g_return_if_fail(rootitem != NULL);
1531
1532                 if (folder->inbox && folder->outbox && folder->draft &&
1533                     folder->queue && folder->trash)
1534                         continue;
1535
1536                 if (folder->klass->create_tree(folder) < 0) {
1537                         g_warning("%s: can't create the folder tree.\n",
1538                                   LOCAL_FOLDER(folder)->rootpath);
1539                         continue;
1540                 }
1541
1542                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1543                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1544                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1545                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1546                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1547         }
1548 }
1549
1550 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1551 {
1552         FolderItem *item = node->data;
1553         PrefsAccount *account = data;
1554
1555         if (item->account == account)
1556                 item->account = NULL;
1557
1558         return FALSE;
1559 }
1560
1561 void folder_unref_account_all(PrefsAccount *account)
1562 {
1563         Folder *folder;
1564         GList *list;
1565
1566         if (!account) return;
1567
1568         for (list = folder_list; list != NULL; list = list->next) {
1569                 folder = list->data;
1570                 if (folder->account == account)
1571                         folder->account = NULL;
1572                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1573                                 folder_unref_account_func, account);
1574         }
1575 }
1576
1577 #undef CREATE_FOLDER_IF_NOT_EXIST
1578
1579 gchar *folder_item_get_path(FolderItem *item)
1580 {
1581         Folder *folder;
1582
1583         g_return_val_if_fail(item != NULL, NULL);
1584         folder = item->folder;
1585         g_return_val_if_fail(folder != NULL, NULL);
1586
1587         return folder->klass->item_get_path(folder, item);
1588 }
1589
1590 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1591 {
1592         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1593               folder_has_parent_of_type(dest, F_QUEUE)  ||
1594               folder_has_parent_of_type(dest, F_DRAFT) ||
1595               folder_has_parent_of_type(dest, F_TRASH))) {
1596                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1597         } else {
1598                 flags->perm_flags = 0;
1599         }
1600         if (FOLDER_TYPE(dest->folder) == F_MH) {
1601                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1602                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1603                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1604                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1605                 }
1606         }
1607 }
1608
1609 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1610 {
1611         MsgInfo *msginfo_a = (MsgInfo *) a;
1612         MsgInfo *msginfo_b = (MsgInfo *) b;
1613
1614         return (msginfo_a->msgnum - msginfo_b->msgnum);
1615 }
1616
1617 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1618 {
1619         guint gint_a = GPOINTER_TO_INT(a);
1620         guint gint_b = GPOINTER_TO_INT(b);
1621
1622         return (gint_a - gint_b);
1623 }
1624
1625 void folder_item_process_open (FolderItem *item,
1626                                  void (*before_proc_func)(gpointer data),
1627                                  void (*after_proc_func)(gpointer data),
1628                                  gpointer data)
1629 {
1630         gchar *buf;
1631         if (item == NULL)
1632                 return;
1633         if((item->folder->klass->scan_required != NULL) &&
1634            (item->folder->klass->scan_required(item->folder, item))) {
1635                 folder_item_scan_full(item, TRUE);
1636         } else {
1637                 folder_item_syncronize_flags(item);
1638         }
1639
1640         /* Processing */
1641         buf = g_strdup_printf(_("Processing (%s)...\n"),
1642                               item->path ? item->path : item->name);
1643         g_free(buf);
1644
1645         if (before_proc_func)
1646                 before_proc_func(data);
1647
1648         folder_item_apply_processing(item);
1649
1650         if (after_proc_func)
1651                 after_proc_func(data);
1652
1653         item->processing_pending = FALSE;
1654         return;
1655 }
1656
1657 gint folder_item_open(FolderItem *item)
1658 {
1659         START_TIMING("");
1660         if (item->no_select)
1661                 return -1;
1662
1663         if (item->scanning) {
1664                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
1665                 return -2;
1666         }
1667
1668         item->processing_pending = TRUE;
1669         folder_item_process_open (item, NULL, NULL, NULL);
1670
1671         item->opened = TRUE;
1672         END_TIMING();
1673         return 0;
1674 }
1675
1676 gint folder_item_close(FolderItem *item)
1677 {
1678         GSList *mlist, *cur;
1679         Folder *folder;
1680
1681         g_return_val_if_fail(item != NULL, -1);
1682
1683         if (item->no_select)
1684                 return -1;
1685
1686         if (item->new_msgs) {
1687                 folder_item_update_freeze();
1688                 mlist = folder_item_get_msg_list(item);
1689                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1690                         MsgInfo * msginfo;
1691
1692                         msginfo = (MsgInfo *) cur->data;
1693                         if (MSG_IS_NEW(msginfo->flags))
1694                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1695                         procmsg_msginfo_free(msginfo);
1696                 }
1697                 g_slist_free(mlist);
1698                 folder_item_update_thaw();
1699         }
1700
1701         folder_item_write_cache(item);
1702
1703         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1704
1705         item->opened = FALSE;
1706         folder = item->folder;
1707
1708         if (folder->klass->close == NULL)
1709                 return 0;
1710
1711         return folder->klass->close(folder, item);
1712 }
1713
1714 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1715 {
1716         MsgInfoList *msglist = NULL;
1717         Folder *folder = item->folder;
1718         if (item->no_select)
1719                 return NULL;
1720
1721         if (folder->klass->get_msginfos != NULL)
1722                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1723         else {
1724                 MsgNumberList *elem;
1725
1726                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1727                         MsgInfo *msginfo;
1728                         guint num;
1729
1730                         num = GPOINTER_TO_INT(elem->data);
1731                         msginfo = folder->klass->get_msginfo(folder, item, num);
1732                         if (msginfo != NULL)
1733                                 msglist = g_slist_prepend(msglist, msginfo);
1734                 }
1735         }
1736
1737         return msglist;
1738 }
1739
1740 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1741 {
1742         MsgNumberList numlist;
1743         MsgInfoList *msglist;
1744         MsgInfo *msginfo = NULL;
1745
1746         numlist.data = GINT_TO_POINTER(num);
1747         numlist.next = NULL;
1748         msglist = get_msginfos(item, &numlist);
1749         if (msglist != NULL)
1750                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1751         procmsg_msg_list_free(msglist);
1752
1753         return msginfo;
1754 }
1755
1756 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1757 {
1758         GRelation *relation;
1759         gint ret = 0;
1760         GSList *cur;
1761
1762         if(msglist == NULL)
1763                 return 0;
1764         if(item->folder->klass->get_flags == NULL)
1765                 return 0;
1766         if (item->no_select)
1767                 return 0;
1768
1769         relation = g_relation_new(2);
1770         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1771         folder_item_set_batch(item, TRUE);
1772         if ((ret = item->folder->klass->get_flags(
1773             item->folder, item, msglist, relation)) == 0) {
1774                 GTuples *tuples;
1775                 MsgInfo *msginfo;
1776                 MsgPermFlags permflags = 0;
1777                 gboolean skip;
1778
1779                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1780                         msginfo = (MsgInfo *) cur->data;
1781
1782                         tuples = g_relation_select(relation, msginfo, 0);
1783                         skip = tuples->len < 1;
1784                         if (!skip)
1785                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1786                         g_tuples_destroy(tuples);
1787                         if (skip)
1788                                 continue;
1789
1790                         if (msginfo->flags.perm_flags != permflags) {
1791                                 procmsg_msginfo_change_flags(msginfo,
1792                                         permflags & ~msginfo->flags.perm_flags, 0,
1793                                         ~permflags & msginfo->flags.perm_flags, 0);
1794                         }
1795                 }
1796         }
1797         folder_item_set_batch(item, FALSE);
1798         g_relation_destroy(relation);
1799
1800         return ret;
1801 }
1802
1803 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1804 {
1805         Folder *folder;
1806         GSList *folder_list = NULL, *cache_list = NULL;
1807         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1808         GSList *exists_list = NULL, *elem;
1809         GSList *newmsg_list = NULL;
1810         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1811         guint markedcnt = 0, unreadmarkedcnt = 0;
1812         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1813         gboolean update_flags = 0, old_uids_valid = FALSE;
1814         GHashTable *subject_table = NULL;
1815
1816         g_return_val_if_fail(item != NULL, -1);
1817         if (item->path == NULL) return -1;
1818
1819         folder = item->folder;
1820
1821         g_return_val_if_fail(folder != NULL, -1);
1822         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1823
1824         item->scanning = TRUE;
1825
1826         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1827
1828         /* Get list of messages for folder and cache */
1829         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1830                 debug_print("Error fetching list of message numbers\n");
1831                 item->scanning = FALSE;
1832                 return(-1);
1833         }
1834
1835         if(prefs_common.thread_by_subject) {
1836                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1837         }
1838
1839         if (old_uids_valid) {
1840                 if (!item->cache)
1841                         folder_item_read_cache(item);
1842                 cache_list = msgcache_get_msg_list(item->cache);
1843         } else {
1844                 if (item->cache)
1845                         msgcache_destroy(item->cache);
1846                 item->cache = msgcache_new();
1847                 cache_list = NULL;
1848         }
1849
1850         /* Sort both lists */
1851         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1852         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1853
1854         cache_list_cur = cache_list;
1855         folder_list_cur = folder_list;
1856
1857         if (cache_list_cur != NULL) {
1858                 GSList *cache_list_last;
1859
1860                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1861                 cache_list_last = g_slist_last(cache_list);
1862                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1863         } else {
1864                 cache_cur_num = G_MAXINT;
1865                 cache_max_num = 0;
1866         }
1867
1868         if (folder_list_cur != NULL) {
1869                 GSList *folder_list_last;
1870
1871                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1872                 folder_list_last = g_slist_last(folder_list);
1873                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1874         } else {
1875                 folder_cur_num = G_MAXINT;
1876                 folder_max_num = 0;
1877         }
1878
1879         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1880                 /*
1881                  *  Message only exists in the folder
1882                  *  Remember message for fetching
1883                  */
1884                 if (folder_cur_num < cache_cur_num) {
1885                         gboolean add = FALSE;
1886
1887                         switch(FOLDER_TYPE(folder)) {
1888                                 case F_NEWS:
1889                                         if (folder_cur_num < cache_max_num)
1890                                                 break;
1891
1892                                         if (folder->account->max_articles == 0) {
1893                                                 add = TRUE;
1894                                         }
1895
1896                                         if (folder_max_num <= folder->account->max_articles) {
1897                                                 add = TRUE;
1898                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1899                                                 add = TRUE;
1900                                         }
1901                                         break;
1902                                 default:
1903                                         add = TRUE;
1904                                         break;
1905                         }
1906
1907                         if (add) {
1908                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1909                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1910                         }
1911
1912                         /* Move to next folder number */
1913                         folder_list_cur = folder_list_cur->next;
1914
1915                         if (folder_list_cur != NULL)
1916                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1917                         else
1918                                 folder_cur_num = G_MAXINT;
1919
1920                         continue;
1921                 }
1922
1923                 /*
1924                  *  Message only exists in the cache
1925                  *  Remove the message from the cache
1926                  */
1927                 if (cache_cur_num < folder_cur_num) {
1928                         msgcache_remove_msg(item->cache, cache_cur_num);
1929                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1930
1931                         /* Move to next cache number */
1932                         cache_list_cur = cache_list_cur->next;
1933
1934                         if (cache_list_cur != NULL)
1935                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1936                         else
1937                                 cache_cur_num = G_MAXINT;
1938
1939                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1940
1941                         continue;
1942                 }
1943
1944                 /*
1945                  *  Message number exists in folder and cache!
1946                  *  Check if the message has been modified
1947                  */
1948                 if (cache_cur_num == folder_cur_num) {
1949                         MsgInfo *msginfo;
1950
1951                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1952                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1953                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1954                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1955                                 procmsg_msginfo_free(msginfo);
1956
1957                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1958                         } else {
1959                                 exists_list = g_slist_prepend(exists_list, msginfo);
1960
1961                                 if(prefs_common.thread_by_subject &&
1962                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1963                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1964                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1965                                 }
1966                         }
1967
1968                         /* Move to next folder and cache number */
1969                         cache_list_cur = cache_list_cur->next;
1970                         folder_list_cur = folder_list_cur->next;
1971
1972                         if (cache_list_cur != NULL)
1973                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1974                         else
1975                                 cache_cur_num = G_MAXINT;
1976
1977                         if (folder_list_cur != NULL)
1978                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1979                         else
1980                                 folder_cur_num = G_MAXINT;
1981
1982                         continue;
1983                 }
1984         }
1985
1986         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1987                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1988
1989         g_slist_free(cache_list);
1990         g_slist_free(folder_list);
1991
1992         if (new_list != NULL) {
1993                 GSList *tmp_list = NULL;
1994                 newmsg_list = get_msginfos(item, new_list);
1995                 g_slist_free(new_list);
1996                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
1997                 syncronize_flags(item, tmp_list);
1998                 g_slist_free(tmp_list);
1999         } else {
2000                 syncronize_flags(item, exists_list);
2001         }
2002
2003         folder_item_update_freeze();
2004         if (newmsg_list != NULL) {
2005                 GSList *elem, *to_filter = NULL;
2006                 gboolean do_filter = (filtering == TRUE) &&
2007                                         (item->stype == F_INBOX) &&
2008                                         (item->folder->account != NULL) &&
2009                                         (item->folder->account->filter_on_recv);
2010
2011                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
2012                         MsgInfo *msginfo = (MsgInfo *) elem->data;
2013
2014                         msgcache_add_msg(item->cache, msginfo);
2015                         if (!do_filter) {
2016                                 exists_list = g_slist_prepend(exists_list, msginfo);
2017
2018                                 if(prefs_common.thread_by_subject &&
2019                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2020                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2021                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2022                                 }
2023                         }
2024                 }
2025
2026                 if (do_filter) {
2027                         GSList *unfiltered;
2028                         procmsg_msglist_filter(newmsg_list, item->folder->account,
2029                                         &to_filter, &unfiltered,
2030                                         TRUE);
2031
2032                         filtering_move_and_copy_msgs(newmsg_list);
2033                         if (to_filter != NULL) {
2034                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
2035                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2036                                         procmsg_msginfo_free(msginfo);
2037                                 }
2038                                 g_slist_free(to_filter);
2039                         }
2040                         if (unfiltered != NULL) {
2041                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
2042                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2043                                         exists_list = g_slist_prepend(exists_list, msginfo);
2044
2045                                         if(prefs_common.thread_by_subject &&
2046                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2047                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
2048                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
2049                                         }
2050                                 }
2051                                 g_slist_free(unfiltered);
2052                         }
2053                 }
2054
2055                 g_slist_free(newmsg_list);
2056
2057                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2058         }
2059
2060         folder_item_set_batch(item, TRUE);
2061         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
2062                 MsgInfo *msginfo, *parent_msginfo;
2063
2064                 msginfo = elem->data;
2065                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2066                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2067                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2068                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2069                 }
2070                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2071                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2072                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2073                 {
2074                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2075                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2076                                                 MSG_NEW | MSG_UNREAD, 0);
2077                         }
2078                 }
2079                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2080                      folder_has_parent_of_type(item, F_QUEUE)  ||
2081                      folder_has_parent_of_type(item, F_DRAFT)  ||
2082                      folder_has_parent_of_type(item, F_TRASH)) &&
2083                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2084                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2085                 if (MSG_IS_NEW(msginfo->flags))
2086                         newcnt++;
2087                 if (MSG_IS_UNREAD(msginfo->flags))
2088                         unreadcnt++;
2089                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2090                         unreadmarkedcnt++;
2091                 if (MSG_IS_MARKED(msginfo->flags))
2092                         markedcnt++;
2093
2094                 totalcnt++;
2095
2096                 procmsg_msginfo_free(msginfo);
2097         }
2098         folder_item_set_batch(item, FALSE);
2099         g_slist_free(exists_list);
2100
2101         if(prefs_common.thread_by_subject) {
2102                 g_hash_table_destroy(subject_table);
2103         }
2104
2105         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2106         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2107         ||  item->unreadmarked_msgs != unreadmarkedcnt) {
2108                 update_flags |= F_ITEM_UPDATE_CONTENT;
2109         }
2110
2111         item->new_msgs = newcnt;
2112         item->unread_msgs = unreadcnt;
2113         item->total_msgs = totalcnt;
2114         item->unreadmarked_msgs = unreadmarkedcnt;
2115         item->marked_msgs = markedcnt;
2116
2117         update_flags |= F_ITEM_UPDATE_MSGCNT;
2118
2119         folder_item_update(item, update_flags);
2120         folder_item_update_thaw();
2121
2122         item->scanning = FALSE;
2123
2124         return 0;
2125 }
2126
2127 gint folder_item_scan(FolderItem *item)
2128 {
2129         return folder_item_scan_full(item, TRUE);
2130 }
2131
2132 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
2133                                           gpointer data)
2134 {
2135         folder_item_scan(FOLDER_ITEM(key));
2136 }
2137
2138 void folder_item_scan_foreach(GHashTable *table)
2139 {
2140         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
2141 }
2142
2143 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2144 {
2145         gint *memusage = (gint *)data;
2146
2147         if (item->cache == NULL)
2148                 return;
2149
2150         *memusage += msgcache_get_memory_usage(item->cache);
2151 }
2152
2153 gint folder_item_syncronize_flags(FolderItem *item)
2154 {
2155         MsgInfoList *msglist = NULL;
2156         GSList *cur;
2157         gint ret = 0;
2158
2159         g_return_val_if_fail(item != NULL, -1);
2160         g_return_val_if_fail(item->folder != NULL, -1);
2161         g_return_val_if_fail(item->folder->klass != NULL, -1);
2162         if (item->no_select)
2163                 return -1;
2164
2165         item->scanning = TRUE;
2166
2167         if (item->cache == NULL)
2168                 folder_item_read_cache(item);
2169
2170         msglist = msgcache_get_msg_list(item->cache);
2171
2172         ret = syncronize_flags(item, msglist);
2173
2174         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
2175                 procmsg_msginfo_free((MsgInfo *) cur->data);
2176
2177         g_slist_free(msglist);
2178
2179         item->scanning = FALSE;
2180
2181         return ret;
2182 }
2183
2184 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2185 {
2186         FolderItem *fa = (FolderItem *)a;
2187         FolderItem *fb = (FolderItem *)b;
2188
2189         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2190 }
2191
2192 static void folder_find_expired_caches(FolderItem *item, gpointer data)
2193 {
2194         GSList **folder_item_list = (GSList **)data;
2195         gint difftime, expiretime;
2196
2197         if (item->cache == NULL)
2198                 return;
2199
2200         if (item->opened > 0)
2201                 return;
2202
2203         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2204         expiretime = prefs_common.cache_min_keep_time * 60;
2205         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2206
2207         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2208                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2209         }
2210 }
2211
2212 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2213 {
2214         g_return_val_if_fail(item != NULL, TRUE);
2215
2216         if (item->cache == NULL)
2217                 return TRUE;
2218
2219         if (item->opened > 0 && !force)
2220                 return FALSE;
2221
2222         folder_item_write_cache(item);
2223         msgcache_destroy(item->cache);
2224         item->cache = NULL;
2225         return TRUE;
2226 }
2227
2228 void folder_clean_cache_memory_force(void)
2229 {
2230         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2231         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2232
2233         prefs_common.cache_max_mem_usage = 0;
2234         prefs_common.cache_min_keep_time = 0;
2235
2236         folder_clean_cache_memory(NULL);
2237
2238         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2239         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2240 }
2241
2242 void folder_clean_cache_memory(FolderItem *protected_item)
2243 {
2244         gint memusage = 0;
2245
2246         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2247         debug_print("Total cache memory usage: %d\n", memusage);
2248
2249         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2250                 GSList *folder_item_list = NULL, *listitem;
2251
2252                 debug_print("Trying to free cache memory\n");
2253
2254                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2255                 listitem = folder_item_list;
2256                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2257                         FolderItem *item = (FolderItem *)(listitem->data);
2258                         gint cache_size = 0;
2259                         if (item == protected_item) {
2260                                 listitem = listitem->next;
2261                                 continue;
2262                         }
2263                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2264                         cache_size = msgcache_get_memory_usage(item->cache);
2265                         if (folder_item_free_cache(item, FALSE))
2266                                 memusage -= cache_size;
2267
2268                         listitem = listitem->next;
2269                 }
2270                 g_slist_free(folder_item_list);
2271         }
2272 }
2273
2274 static void folder_item_read_cache(FolderItem *item)
2275 {
2276         gchar *cache_file, *mark_file;
2277         START_TIMING("");
2278         g_return_if_fail(item != NULL);
2279
2280         if (item->path != NULL) {
2281                 cache_file = folder_item_get_cache_file(item);
2282                 mark_file = folder_item_get_mark_file(item);
2283                 item->cache = msgcache_read_cache(item, cache_file);
2284                 if (!item->cache) {
2285                         MsgInfoList *list, *cur;
2286                         guint newcnt = 0, unreadcnt = 0;
2287                         guint markedcnt = 0, unreadmarkedcnt = 0;
2288                         MsgInfo *msginfo;
2289
2290                         item->cache = msgcache_new();
2291                         folder_item_scan_full(item, TRUE);
2292
2293                         msgcache_read_mark(item->cache, mark_file);
2294
2295                         list = msgcache_get_msg_list(item->cache);
2296                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2297                                 msginfo = cur->data;
2298
2299                                 if (MSG_IS_NEW(msginfo->flags))
2300                                         newcnt++;
2301                                 if (MSG_IS_UNREAD(msginfo->flags))
2302                                         unreadcnt++;
2303                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2304                                         unreadmarkedcnt++;
2305                                 if (MSG_IS_MARKED(msginfo->flags))
2306                                         markedcnt++;
2307                         }
2308                         item->new_msgs = newcnt;
2309                         item->unread_msgs = unreadcnt;
2310                         item->unreadmarked_msgs = unreadmarkedcnt;
2311                         item->marked_msgs = markedcnt;
2312                         procmsg_msg_list_free(list);
2313                 } else
2314                         msgcache_read_mark(item->cache, mark_file);
2315
2316                 g_free(cache_file);
2317                 g_free(mark_file);
2318         } else {
2319                 item->cache = msgcache_new();
2320         }
2321         END_TIMING();
2322         folder_clean_cache_memory(item);
2323 }
2324
2325 void folder_item_write_cache(FolderItem *item)
2326 {
2327         gchar *cache_file, *mark_file;
2328         FolderItemPrefs *prefs;
2329         gint filemode = 0;
2330         gchar *id;
2331         time_t last_mtime = (time_t)0;
2332         gboolean need_scan = FALSE;
2333
2334         if (!item || !item->path || !item->cache)
2335                 return;
2336
2337         if (FOLDER_TYPE(item->folder) == F_MH) {
2338                 last_mtime = item->mtime;
2339                 need_scan = item->folder->klass->scan_required(item->folder, item);
2340         }
2341
2342         id = folder_item_get_identifier(item);
2343         debug_print("Save cache for folder %s\n", id);
2344         g_free(id);
2345
2346         cache_file = folder_item_get_cache_file(item);
2347         mark_file = folder_item_get_mark_file(item);
2348         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2349                 prefs = item->prefs;
2350                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2351                         /* for cache file */
2352                         filemode = prefs->folder_chmod;
2353                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2354                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2355                         chmod(cache_file, filemode);
2356                 }
2357         }
2358
2359         if (!need_scan && FOLDER_TYPE(item->folder) == F_MH) {
2360                 if (item->mtime == last_mtime) {
2361                         mh_set_mtime(item);
2362                 }
2363         }
2364
2365         g_free(cache_file);
2366         g_free(mark_file);
2367 }
2368
2369 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2370 {
2371         Folder *folder;
2372         MsgInfo *msginfo = NULL;
2373
2374         g_return_val_if_fail(item != NULL, NULL);
2375         if (item->no_select)
2376                 return NULL;
2377         folder = item->folder;
2378         if (!item->cache)
2379                 folder_item_read_cache(item);
2380
2381         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2382                 return msginfo;
2383
2384         msginfo = get_msginfo(item, num);
2385         if (msginfo != NULL) {
2386                 msgcache_add_msg(item->cache, msginfo);
2387                 return msginfo;
2388         }
2389
2390         return NULL;
2391 }
2392
2393 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2394 {
2395         Folder *folder;
2396         MsgInfo *msginfo;
2397
2398         g_return_val_if_fail(item != NULL, NULL);
2399         g_return_val_if_fail(msgid != NULL, NULL);
2400         if (item->no_select)
2401                 return FALSE;
2402
2403         folder = item->folder;
2404         if (!item->cache)
2405                 folder_item_read_cache(item);
2406
2407         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2408                 return msginfo;
2409
2410         return NULL;
2411 }
2412
2413 GSList *folder_item_get_msg_list(FolderItem *item)
2414 {
2415         g_return_val_if_fail(item != NULL, NULL);
2416         if (item->no_select)
2417                 return FALSE;
2418
2419         if (item->cache == 0)
2420                 folder_item_read_cache(item);
2421
2422         g_return_val_if_fail(item->cache != NULL, NULL);
2423
2424         return msgcache_get_msg_list(item->cache);
2425 }
2426
2427 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2428 {
2429         MsgInfo *msginfo = data;
2430         MimeInfo *mimeinfo = node->data;
2431
2432         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2433          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2434                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2435         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2436                  mimeinfo->type != MIMETYPE_TEXT &&
2437                  mimeinfo->type != MIMETYPE_MULTIPART) {
2438                 if (!mimeinfo->subtype
2439                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2440                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2441         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2442                 strcmp(mimeinfo->subtype, "pgp-signature") &&
2443                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2444                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2445                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2446         }
2447
2448         /* don't descend below top level message for signed and encrypted info */
2449         if (mimeinfo->type == MIMETYPE_MESSAGE)
2450                 return;
2451
2452         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2453                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2454         }
2455
2456         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2457                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2458         } else {
2459                 /* searching inside encrypted parts doesn't really make sense */
2460                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2461         }
2462 }
2463
2464 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2465 {
2466         Folder *folder;
2467         gchar *msgfile;
2468         MsgInfo *msginfo;
2469
2470         g_return_val_if_fail(item != NULL, NULL);
2471
2472         folder = item->folder;
2473
2474         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2475         if (item->no_select)
2476                 return NULL;
2477
2478         msgfile = folder->klass->fetch_msg(folder, item, num);
2479
2480         if (msgfile != NULL) {
2481                 msginfo = folder_item_get_msginfo(item, num);
2482                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2483                         MimeInfo *mimeinfo;
2484
2485                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2486                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2487                                 mimeinfo = procmime_scan_file(msgfile);
2488                         else
2489                                 mimeinfo = procmime_scan_queue_file(msgfile);
2490                         /* check for attachments */
2491                         if (mimeinfo != NULL) {
2492                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2493                                 procmime_mimeinfo_free_all(mimeinfo);
2494
2495                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2496                         }
2497                 }
2498                 procmsg_msginfo_free(msginfo);
2499         }
2500
2501         return msgfile;
2502 }
2503
2504 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2505                                   gboolean body)
2506 {
2507         Folder *folder;
2508         gchar *msgfile;
2509         MsgInfo *msginfo;
2510
2511         g_return_val_if_fail(item != NULL, NULL);
2512         if (item->no_select)
2513                 return NULL;
2514
2515         folder = item->folder;
2516
2517         if (folder->klass->fetch_msg_full == NULL)
2518                 return folder_item_fetch_msg(item, num);
2519
2520         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2521                                                 headers, body);
2522
2523         if (msgfile != NULL) {
2524                 msginfo = folder_item_get_msginfo(item, num);
2525                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2526                         MimeInfo *mimeinfo;
2527
2528                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2529                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2530                                 mimeinfo = procmime_scan_file(msgfile);
2531                         else
2532                                 mimeinfo = procmime_scan_queue_file(msgfile);
2533                         /* check for attachments */
2534                         if (mimeinfo != NULL) {
2535                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2536                                 procmime_mimeinfo_free_all(mimeinfo);
2537
2538                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2539                         }
2540                 }
2541                 procmsg_msginfo_free(msginfo);
2542         }
2543
2544         return msgfile;
2545 }
2546
2547
2548 gint folder_item_fetch_all_msg(FolderItem *item)
2549 {
2550         Folder *folder;
2551         GSList *mlist;
2552         GSList *cur;
2553         gint num = 0;
2554         gint ret = 0;
2555         gint total = 0;
2556
2557         g_return_val_if_fail(item != NULL, -1);
2558         if (item->no_select)
2559                 return -1;
2560
2561         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2562         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2563
2564         folder = item->folder;
2565
2566         if (folder->ui_func)
2567                 folder->ui_func(folder, item, folder->ui_func_data ?
2568                                 folder->ui_func_data : GINT_TO_POINTER(num));
2569
2570         mlist = folder_item_get_msg_list(item);
2571
2572         total = g_slist_length(mlist);
2573
2574         for (cur = mlist; cur != NULL; cur = cur->next) {
2575                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2576                 gchar *msg;
2577
2578                 statusbar_progress_all(num++,total, 10);
2579
2580                 if (folder->ui_func)
2581                         folder->ui_func(folder, item,
2582                                         folder->ui_func_data ?
2583                                         folder->ui_func_data :
2584                                         GINT_TO_POINTER(num));
2585
2586                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2587                 if (!msg) {
2588                         g_warning("Can't fetch message %d. Aborting.\n",
2589                                   msginfo->msgnum);
2590                         ret = -1;
2591                         break;
2592                 }
2593                 g_free(msg);
2594         }
2595
2596         statusbar_progress_all(0,0,0);
2597         statusbar_pop_all();
2598         procmsg_msg_list_free(mlist);
2599
2600         return ret;
2601 }
2602
2603 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2604 {
2605         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2606                                        {NULL,           NULL, FALSE}};
2607         FILE *fp;
2608         MsgInfo *msginfo;
2609         gint msgnum = 0;
2610         gchar buf[BUFFSIZE];
2611
2612         if ((fp = g_fopen(file, "rb")) == NULL)
2613                 return 0;
2614
2615         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2616             (folder_has_parent_of_type(dest, F_DRAFT)))
2617                 while (fgets(buf, sizeof(buf), fp) != NULL)
2618                         if (buf[0] == '\r' || buf[0] == '\n') break;
2619
2620         procheader_get_header_fields(fp, hentry);
2621         if (hentry[0].body) {
2622                 extract_parenthesis(hentry[0].body, '<', '>');
2623                 remove_space(hentry[0].body);
2624                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2625                         msgnum = msginfo->msgnum;
2626                         procmsg_msginfo_free(msginfo);
2627
2628                         debug_print("found message as uid %d\n", msgnum);
2629                 }
2630         }
2631
2632         g_free(hentry[0].body);
2633         hentry[0].body = NULL;
2634         fclose(fp);
2635
2636         return msgnum;
2637 }
2638
2639 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2640 {
2641         MsgPermFlags perm_flags = 0;
2642         MsgTmpFlags tmp_flags = 0;
2643
2644         /* create new flags */
2645         if (source != NULL) {
2646                 /* copy original flags */
2647                 perm_flags = source->flags.perm_flags;
2648                 tmp_flags = source->flags.tmp_flags;
2649         } else {
2650                 perm_flags = dest->flags.perm_flags;
2651                 tmp_flags = dest->flags.tmp_flags;
2652         }
2653
2654         /* remove new, unread and deleted in special folders */
2655         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2656             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2657             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2658             folder_has_parent_of_type(dest->folder, F_TRASH))
2659                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2660
2661         /* set ignore flag of ignored parent exists */
2662         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2663                 perm_flags |= MSG_IGNORE_THREAD;
2664
2665         /* Unset tmp flags that should not be copied */
2666         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
2667
2668         /* unset flags that are set but should not */
2669         /* and set new flags */
2670         procmsg_msginfo_change_flags(dest,
2671                                   ~dest->flags.perm_flags & perm_flags,
2672                                   ~dest->flags.tmp_flags  & tmp_flags,
2673                                    dest->flags.perm_flags & ~perm_flags,
2674                                    dest->flags.tmp_flags  & ~tmp_flags);
2675 }
2676
2677 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2678 {
2679         /* update folder stats */
2680         if (MSG_IS_NEW(newmsginfo->flags))
2681                 item->new_msgs++;
2682         if (MSG_IS_UNREAD(newmsginfo->flags))
2683                 item->unread_msgs++;
2684         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2685                 item->unreadmarked_msgs++;
2686         if (MSG_IS_MARKED(newmsginfo->flags))
2687                 item->marked_msgs++;
2688         item->total_msgs++;
2689
2690         folder_item_update_freeze();
2691
2692         if (!item->cache)
2693                 folder_item_read_cache(item);
2694
2695         msgcache_add_msg(item->cache, newmsginfo);
2696         copy_msginfo_flags(flagsource, newmsginfo);
2697         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2698         folder_item_update_thaw();
2699 }
2700
2701 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2702 {
2703         MsgInfoUpdate msginfo_update;
2704
2705         if (!item->cache)
2706                 folder_item_read_cache(item);
2707
2708         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2709                 msginfo->folder->new_msgs--;
2710         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2711                 msginfo->folder->unread_msgs--;
2712         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2713                 msginfo->folder->unreadmarked_msgs--;
2714         if (MSG_IS_MARKED(msginfo->flags))
2715                 item->marked_msgs--;
2716
2717         msginfo->folder->total_msgs--;
2718
2719         msginfo_update.msginfo = msginfo;
2720         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2721         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2722
2723         msgcache_remove_msg(item->cache, msginfo->msgnum);
2724         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2725 }
2726
2727 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2728                          MsgFlags *flags, gboolean remove_source)
2729 {
2730         GSList file_list;
2731         MsgFileInfo fileinfo;
2732
2733         g_return_val_if_fail(dest != NULL, -1);
2734         g_return_val_if_fail(file != NULL, -1);
2735
2736         fileinfo.msginfo = NULL;
2737         fileinfo.file = (gchar *)file;
2738         fileinfo.flags = flags;
2739         file_list.data = &fileinfo;
2740         file_list.next = NULL;
2741
2742         return folder_item_add_msgs(dest, &file_list, remove_source);
2743 }
2744
2745 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2746                           gboolean remove_source)
2747 {
2748         Folder *folder;
2749         gint ret, num, lastnum = -1;
2750         GSList *file_cur;
2751         GRelation *relation;
2752         MsgFileInfo *fileinfo = NULL;
2753         gboolean folderscan = FALSE;
2754
2755         g_return_val_if_fail(dest != NULL, -1);
2756         g_return_val_if_fail(file_list != NULL, -1);
2757         g_return_val_if_fail(dest->folder != NULL, -1);
2758         if (dest->no_select)
2759                 return -1;
2760
2761         folder = dest->folder;
2762
2763         relation = g_relation_new(2);
2764         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2765
2766         if (folder->klass->add_msgs != NULL) {
2767                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2768                 if (ret < 0) {
2769                         g_relation_destroy(relation);
2770                         return ret;
2771                 }
2772         } else {
2773                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2774                         fileinfo = (MsgFileInfo *) file_cur->data;
2775
2776                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2777                         if (ret < 0) {
2778                                 g_relation_destroy(relation);
2779                                 return ret;
2780                         }
2781                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2782                 }
2783         }
2784
2785         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2786                 GTuples *tuples;
2787
2788                 fileinfo = (MsgFileInfo *) file_cur->data;
2789                 tuples = g_relation_select(relation, fileinfo, 0);
2790                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2791                 g_tuples_destroy(tuples);
2792
2793                 if (num >= 0) {
2794                         MsgInfo *newmsginfo;
2795
2796                         if (num == 0) {
2797                                 if (!folderscan) {
2798                                         folder_item_scan_full(dest, FALSE);
2799                                         folderscan = TRUE;
2800                                 }
2801                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2802                         }
2803
2804                         if (num > lastnum)
2805                                 lastnum = num;
2806
2807                         if (num >= 0 && remove_source) {
2808                                 if (g_unlink(fileinfo->file) < 0)
2809                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2810                         }
2811
2812                         if (num == 0)
2813                                 continue;
2814
2815                         if (!folderscan &&
2816                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2817                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2818                                 procmsg_msginfo_free(newmsginfo);
2819                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2820                                 /* TODO: set default flags */
2821                                 procmsg_msginfo_free(newmsginfo);
2822                         }
2823                 }
2824         }
2825
2826         g_relation_destroy(relation);
2827
2828         return lastnum;
2829 }
2830
2831 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
2832 {
2833         GSList *mlist;
2834         FolderItem *new_item;
2835         FolderItem *next_item;
2836         GNode *srcnode;
2837         gchar *old_id, *new_id;
2838
2839         /* move messages */
2840         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
2841         new_item = folder_create_folder(dest, src->name);
2842         if (new_item == NULL) {
2843                 printf("Can't create folder\n");
2844                 return NULL;
2845         }
2846
2847         if (new_item->folder == NULL)
2848                 new_item->folder = dest->folder;
2849
2850         /* move messages */
2851         log_message(copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
2852                         src->name, new_item->path);
2853
2854         mlist = folder_item_get_msg_list(src);
2855
2856         if (mlist != NULL) {
2857                 if (copy)
2858                         folder_item_copy_msgs(new_item, mlist);
2859                 else
2860                         folder_item_move_msgs(new_item, mlist);
2861                 procmsg_msg_list_free(mlist);
2862         }
2863
2864         /*copy prefs*/
2865         folder_item_prefs_copy_prefs(src, new_item);
2866
2867         /* copy internal data */
2868         if (src->folder->klass == new_item->folder->klass &&
2869             src->folder->klass->copy_private_data != NULL)
2870                 src->folder->klass->copy_private_data(src->folder,
2871                                         src, new_item);
2872         new_item->collapsed = src->collapsed;
2873         new_item->thread_collapsed = src->thread_collapsed;
2874         new_item->threaded  = src->threaded;
2875         new_item->ret_rcpt  = src->ret_rcpt;
2876         new_item->hide_read_msgs = src->hide_read_msgs;
2877         new_item->sort_key  = src->sort_key;
2878         new_item->sort_type = src->sort_type;
2879
2880         prefs_matcher_write_config();
2881
2882         /* recurse */
2883         srcnode = src->folder->node;
2884         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2885         srcnode = srcnode->children;
2886         while (srcnode != NULL) {
2887                 if (srcnode && srcnode->data) {
2888                         next_item = (FolderItem*) srcnode->data;
2889                         srcnode = srcnode->next;
2890                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
2891                                 return NULL;
2892                         }
2893                 }
2894         }
2895         old_id = folder_item_get_identifier(src);
2896         new_id = folder_item_get_identifier(new_item);
2897
2898         /* if src supports removing, otherwise only copy folder */
2899         if (src->folder->klass->remove_folder != NULL && !copy)
2900                 src->folder->klass->remove_folder(src->folder, src);
2901         folder_write_list();
2902
2903         if (!copy) {
2904                 debug_print("updating rules : %s => %s\n", old_id, new_id);
2905                 if (old_id != NULL && new_id != NULL) {
2906                         prefs_filtering_rename_path(old_id, new_id);
2907                         account_rename_path(old_id, new_id);
2908                 }
2909         }
2910         g_free(old_id);
2911         g_free(new_id);
2912
2913         return new_item;
2914 }
2915
2916 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
2917 {
2918         FolderItem *tmp = folder_item_parent(dest);
2919         gchar * src_identifier, * dst_identifier;
2920         gchar * phys_srcpath, * phys_dstpath, *tmppath;
2921
2922         while (tmp) {
2923                 if (tmp == src) {
2924                         return F_MOVE_FAILED_DEST_IS_CHILD;
2925                 }
2926                 tmp = folder_item_parent(tmp);
2927         }
2928
2929         tmp = folder_item_parent(src);
2930
2931         src_identifier = folder_item_get_identifier(src);
2932         dst_identifier = folder_item_get_identifier(dest);
2933
2934         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2935                 /* dest can be a root folder */
2936                 dst_identifier = folder_get_identifier(dest->folder);
2937         }
2938         if (src_identifier == NULL || dst_identifier == NULL) {
2939                 debug_print("Can't get identifiers\n");
2940                 return F_MOVE_FAILED;
2941         }
2942
2943         if (src->folder != dest->folder && !copy) {
2944                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2945         }
2946
2947         phys_srcpath = folder_item_get_path(src);
2948         tmppath = folder_item_get_path(dest);
2949         phys_dstpath = g_strconcat(tmppath,
2950                        G_DIR_SEPARATOR_S,
2951                        g_path_get_basename(phys_srcpath),
2952                        NULL);
2953         g_free(tmppath);
2954
2955         if (folder_item_parent(src) == dest || src == dest) {
2956                 g_free(src_identifier);
2957                 g_free(dst_identifier);
2958                 g_free(phys_srcpath);
2959                 g_free(phys_dstpath);
2960                 return F_MOVE_FAILED_DEST_IS_PARENT;
2961         }
2962         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2963         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
2964                 return F_MOVE_FAILED;
2965         }
2966
2967         g_free(src_identifier);
2968         g_free(dst_identifier);
2969         g_free(phys_srcpath);
2970         g_free(phys_dstpath);
2971
2972         *new_item = tmp;
2973
2974         return F_MOVE_OK;
2975 }
2976
2977 /**
2978  * Copy a list of message to a new folder and remove
2979  * source messages if wanted
2980  */
2981 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2982 {
2983         Folder *folder;
2984         GSList *l;
2985         gint num, lastnum = -1;
2986         gboolean folderscan = FALSE;
2987         GRelation *relation;
2988         GSList *not_moved = NULL;
2989         gint total = 0, curmsg = 0;
2990         MsgInfo *msginfo = NULL;
2991
2992         g_return_val_if_fail(dest != NULL, -1);
2993         g_return_val_if_fail(msglist != NULL, -1);
2994
2995         folder = dest->folder;
2996
2997         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2998         if (dest->no_select)
2999                 return -1;
3000
3001         msginfo = (MsgInfo *)msglist->data;
3002
3003         if (!msginfo)
3004                 return -1;
3005
3006         if (!MSG_IS_QUEUED(msginfo->flags) &&
3007             MSG_IS_DRAFT(msginfo->flags) &&
3008             folder_has_parent_of_type(dest, F_QUEUE)) {
3009                 GSList *cur = msglist;
3010                 gboolean queue_err = FALSE;
3011                 for (; cur; cur = cur->next) {
3012                         Compose *compose = NULL;
3013                         FolderItem *queue = dest;
3014                         int val = 0;
3015
3016                         msginfo = (MsgInfo *)cur->data;
3017                         compose = compose_reedit(msginfo, TRUE);
3018                         if (compose == NULL) {
3019                                 queue_err = TRUE;
3020                                 continue;
3021                         }
3022                         val = compose_queue(compose, NULL, &queue, NULL,
3023                                         FALSE);
3024                         if (val < 0) {
3025                                 queue_err = TRUE;
3026                         } else if (remove_source) {
3027                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
3028                         }
3029                         if (val == 0)
3030                                 compose_close(compose);
3031                 }
3032                 return queue_err ? -1:0;
3033         }
3034
3035         relation = g_relation_new(2);
3036         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
3037         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
3038
3039         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
3040                 MsgInfo * msginfo = (MsgInfo *) l->data;
3041
3042                 if (msginfo->planned_download != 0) {
3043                         int old_planned = msginfo->planned_download;
3044                         partial_unmark(msginfo);
3045                         /* little hack to reenable after */
3046                         msginfo->planned_download = old_planned;
3047                 }
3048         }
3049
3050         /*
3051          * Copy messages to destination folder and
3052          * store new message numbers in newmsgnums
3053          */
3054         if (folder->klass->copy_msgs != NULL) {
3055                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3056                         g_relation_destroy(relation);
3057                         return -1;
3058                 }
3059         } else {
3060                 MsgInfo * msginfo;
3061                 l = msglist;
3062
3063                 /* immediately stop if src and dest folders are identical */
3064                 if (l != NULL) {
3065                         msginfo = (MsgInfo *) l->data;
3066                         if (msginfo != NULL && msginfo->folder == dest) {
3067                                 g_relation_destroy(relation);
3068                                 return -1;
3069                         }
3070                 }
3071
3072                 for (; l != NULL ; l = g_slist_next(l)) {
3073                         msginfo = (MsgInfo *) l->data;
3074
3075                         num = folder->klass->copy_msg(folder, dest, msginfo);
3076                         if (num > 0)
3077                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
3078                         else
3079                                 not_moved = g_slist_prepend(not_moved, msginfo);
3080                 }
3081         }
3082
3083         if (remove_source) {
3084                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3085                 FolderItem *item = msginfo->folder;
3086                 /*
3087                  * Remove source messages from their folders if
3088                  * copying was successfull and update folder
3089                  * message counts
3090                  */
3091                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3092                         item->folder->klass->remove_msgs(item->folder,
3093                                                                 msginfo->folder,
3094                                                                 msglist,
3095                                                                 relation);
3096                 }
3097                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3098                         GTuples *tuples;
3099                         msginfo = (MsgInfo *) l->data;
3100                         item = msginfo->folder;
3101
3102                         tuples = g_relation_select(relation, msginfo, 0);
3103                         if (tuples) {
3104                                 if (tuples->len)
3105                                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3106                                 else
3107                                         num = 0;
3108                                 g_tuples_destroy(tuples);
3109                         } else {
3110                                 num = -1;
3111                         }
3112
3113                         if (g_slist_find(not_moved, msginfo))
3114                                 continue;
3115
3116                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3117                                 if (!item->folder->klass->remove_msgs)
3118                                         item->folder->klass->remove_msg(item->folder,
3119                                                                 msginfo->folder,
3120                                                                 msginfo->msgnum);
3121                                 remove_msginfo_from_cache(item, msginfo);
3122                         }
3123                 }
3124         }
3125
3126         /* Read cache for dest folder */
3127         if (!dest->cache) folder_item_read_cache(dest);
3128
3129         /*
3130          * Fetch new MsgInfos for new messages in dest folder,
3131          * add them to the msgcache and update folder message counts
3132          */
3133         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
3134                 folder_item_scan_full(dest, FALSE);
3135                 folderscan = TRUE;
3136         }
3137
3138         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3139         total = g_slist_length(msglist);
3140         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3141                 MsgInfo *msginfo = (MsgInfo *) l->data;
3142                 GTuples *tuples;
3143
3144                 tuples = g_relation_select(relation, msginfo, 0);
3145                 if (tuples->len > 0) {
3146                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3147                         g_tuples_destroy(tuples);
3148                 } else {
3149                         num = 0;
3150                         if (tuples)
3151                                 g_tuples_destroy(tuples);
3152                 }
3153                 statusbar_progress_all(curmsg++,total, 100);
3154                 if (curmsg % 100 == 0)
3155                         GTK_EVENTS_FLUSH();
3156
3157                 if (num >= 0) {
3158                         MsgInfo *newmsginfo = NULL;
3159
3160                         if (folderscan) {
3161                                 if (msginfo->msgid != NULL) {
3162                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3163                                         if (newmsginfo != NULL) {
3164                                                 copy_msginfo_flags(msginfo, newmsginfo);
3165                                                 num = newmsginfo->msgnum;
3166                                         }
3167                                 }
3168                         } else {
3169                                 newmsginfo = get_msginfo(dest, num);
3170                                 if (newmsginfo != NULL) {
3171                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3172                                 }
3173                         }
3174
3175                         if (msginfo->planned_download
3176                             == POP3_PARTIAL_DLOAD_DELE) {
3177                                 partial_mark_for_delete(newmsginfo);
3178                         }
3179                         if (msginfo->planned_download
3180                             == POP3_PARTIAL_DLOAD_DLOAD) {
3181                                 partial_mark_for_download(newmsginfo);
3182                         }
3183                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3184                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3185                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3186                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3187                         }
3188                         procmsg_msginfo_free(newmsginfo);
3189
3190
3191                         if (num > lastnum)
3192                                 lastnum = num;
3193                 }
3194         }
3195         statusbar_progress_all(0,0,0);
3196         statusbar_pop_all();
3197
3198         g_relation_destroy(relation);
3199         if (not_moved != NULL) {
3200                 g_slist_free(not_moved);
3201                 return -1;
3202         } else
3203                 return lastnum;
3204 }
3205
3206 /**
3207  * Move a message to a new folder.
3208  *
3209  * \param dest Destination folder
3210  * \param msginfo The message
3211  */
3212 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3213 {
3214         GSList list;
3215
3216         g_return_val_if_fail(dest != NULL, -1);
3217         g_return_val_if_fail(msginfo != NULL, -1);
3218
3219         list.data = msginfo;
3220         list.next = NULL;
3221
3222         return do_copy_msgs(dest, &list, TRUE);
3223 }
3224
3225 /**
3226  * Move a list of messages to a new folder.
3227  *
3228  * \param dest Destination folder
3229  * \param msglist List of messages
3230  */
3231 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3232 {
3233         gint result = -1;
3234         g_return_val_if_fail(dest != NULL, -1);
3235         g_return_val_if_fail(msglist != NULL, -1);
3236         inc_lock();
3237         result = do_copy_msgs(dest, msglist, TRUE);
3238         inc_unlock();
3239         return result;
3240 }
3241
3242 /**
3243  * Copy a message to a new folder.
3244  *
3245  * \param dest Destination folder
3246  * \param msginfo The message
3247  */
3248 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3249 {
3250         GSList list;
3251
3252         g_return_val_if_fail(dest != NULL, -1);
3253         g_return_val_if_fail(msginfo != NULL, -1);
3254
3255         list.data = msginfo;
3256         list.next = NULL;
3257
3258         return do_copy_msgs(dest, &list, FALSE);
3259 }
3260
3261 /**
3262  * Copy a list of messages to a new folder.
3263  *
3264  * \param dest Destination folder
3265  * \param msglist List of messages
3266  */
3267 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3268 {
3269         gint result;
3270         g_return_val_if_fail(dest != NULL, -1);
3271         g_return_val_if_fail(msglist != NULL, -1);
3272
3273         inc_lock();
3274         result = do_copy_msgs(dest, msglist, FALSE);
3275         inc_unlock();
3276
3277         return result;
3278 }
3279
3280 gint folder_item_remove_msg(FolderItem *item, gint num)
3281 {
3282         Folder *folder;
3283         gint ret;
3284         MsgInfo *msginfo;
3285
3286         g_return_val_if_fail(item != NULL, -1);
3287         folder = item->folder;
3288         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3289         if (item->no_select)
3290                 return -1;
3291
3292         if (!item->cache) folder_item_read_cache(item);
3293
3294         ret = folder->klass->remove_msg(folder, item, num);
3295
3296         msginfo = msgcache_get_msg(item->cache, num);
3297         if (msginfo != NULL) {
3298                 remove_msginfo_from_cache(item, msginfo);
3299                 procmsg_msginfo_free(msginfo);
3300         }
3301
3302         return ret;
3303 }
3304
3305 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3306 {
3307         Folder *folder;
3308         gint ret = 0;
3309
3310         g_return_val_if_fail(item != NULL, -1);
3311         folder = item->folder;
3312         g_return_val_if_fail(folder != NULL, -1);
3313         if (item->no_select)
3314                 return -1;
3315         inc_lock();
3316         if (!item->cache) folder_item_read_cache(item);
3317
3318         folder_item_update_freeze();
3319         if (item->folder->klass->remove_msgs) {
3320                 ret = item->folder->klass->remove_msgs(item->folder,
3321                                                         item,
3322                                                         msglist,
3323                                                         NULL);
3324         }
3325         while (ret == 0 && msglist != NULL) {
3326                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3327                 if (MSG_IS_LOCKED(msginfo->flags)) {
3328                         msglist = msglist->next;
3329                         continue;
3330                 }
3331                 if (!item->folder->klass->remove_msgs)
3332                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3333                 if (ret != 0) break;
3334                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3335                 msglist = msglist->next;
3336         }
3337         folder_item_scan_full(item, FALSE);
3338         folder_item_update_thaw();
3339         inc_unlock();
3340         return ret;
3341 }
3342
3343 gint folder_item_remove_all_msg(FolderItem *item)
3344 {
3345         Folder *folder;
3346         gint result;
3347
3348         g_return_val_if_fail(item != NULL, -1);
3349         if (item->no_select)
3350                 return -1;
3351
3352         folder = item->folder;
3353
3354         inc_lock();
3355         if (folder->klass->remove_all_msg != NULL) {
3356                 result = folder->klass->remove_all_msg(folder, item);
3357
3358                 if (result == 0) {
3359                         folder_item_free_cache(item, TRUE);
3360                         item->cache = msgcache_new();
3361                 }
3362         } else {
3363                 MsgInfoList *msglist;
3364
3365                 msglist = folder_item_get_msg_list(item);
3366                 result = folder_item_remove_msgs(item, msglist);
3367                 procmsg_msg_list_free(msglist);
3368         }
3369
3370         if (result == 0) {
3371                 item->new_msgs = 0;
3372                 item->unread_msgs = 0;
3373                 item->unreadmarked_msgs = 0;
3374                 item->marked_msgs = 0;
3375                 item->total_msgs = 0;
3376                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3377         }
3378
3379         inc_unlock();
3380         return result;
3381 }
3382
3383 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3384 {
3385         g_return_if_fail(item != NULL);
3386         g_return_if_fail(msginfo != NULL);
3387         if (item->no_select)
3388                 return;
3389
3390         if (item->folder->klass->change_flags != NULL) {
3391                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3392         } else {
3393                 msginfo->flags.perm_flags = newflags;
3394         }
3395 }
3396
3397 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3398 {
3399         Folder *folder;
3400
3401         g_return_val_if_fail(item != NULL, FALSE);
3402         if (item->no_select)
3403                 return FALSE;
3404
3405         folder = item->folder;
3406
3407         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3408
3409         return folder->klass->is_msg_changed(folder, item, msginfo);
3410 }
3411
3412 static gchar *folder_item_get_cache_file(FolderItem *item)
3413 {
3414         gchar *path;
3415         gchar *file;
3416
3417         g_return_val_if_fail(item != NULL, NULL);
3418         g_return_val_if_fail(item->path != NULL, NULL);
3419
3420         path = folder_item_get_path(item);
3421         g_return_val_if_fail(path != NULL, NULL);
3422         if (!is_dir_exist(path))
3423                 make_dir_hier(path);
3424         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3425         g_free(path);
3426
3427         return file;
3428 }
3429
3430 static gchar *folder_item_get_mark_file(FolderItem *item)
3431 {
3432         gchar *path;
3433         gchar *file;
3434
3435         g_return_val_if_fail(item != NULL, NULL);
3436         g_return_val_if_fail(item->path != NULL, NULL);
3437
3438         path = folder_item_get_path(item);
3439         g_return_val_if_fail(path != NULL, NULL);
3440         if (!is_dir_exist(path))
3441                 make_dir_hier(path);
3442         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3443         g_free(path);
3444
3445         return file;
3446 }
3447
3448 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3449 {
3450         XMLNode *xmlnode = (XMLNode *) nodedata;
3451         Folder *folder = (Folder *) data;
3452         FolderItem *item;
3453
3454         g_return_val_if_fail(xmlnode != NULL, NULL);
3455         g_return_val_if_fail(folder != NULL, NULL);
3456
3457         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3458                 g_warning("tag name != \"folderitem\"\n");
3459                 return NULL;
3460         }
3461
3462         item = folder_item_new(folder, "", "");
3463         if (folder->klass->item_set_xml != NULL)
3464                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3465         else
3466                 folder_item_set_xml(folder, item, xmlnode->tag);
3467
3468         item->folder = folder;
3469
3470         switch (item->stype) {
3471         case F_INBOX:  folder->inbox  = item; break;
3472         case F_OUTBOX: folder->outbox = item; break;
3473         case F_DRAFT:  folder->draft  = item; break;
3474         case F_QUEUE:  folder->queue  = item; break;
3475         case F_TRASH:  folder->trash  = item; break;
3476         default:       break;
3477         }
3478         folder_item_prefs_read_config(item);
3479
3480         return item;
3481 }
3482
3483 static gboolean folder_item_set_node(GNode *node, gpointer data)
3484 {
3485         FolderItem *item = (FolderItem *) node->data;
3486         item->node = node;
3487
3488         return FALSE;
3489 }
3490
3491 static Folder *folder_get_from_xml(GNode *node)
3492 {
3493         Folder *folder;
3494         XMLNode *xmlnode;
3495         GList *list;
3496         FolderClass *klass = NULL;
3497         GNode *cur;
3498
3499         g_return_val_if_fail(node->data != NULL, NULL);
3500
3501         xmlnode = node->data;
3502         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3503                 g_warning("tag name != \"folder\"\n");
3504                 return NULL;
3505         }
3506         list = xmlnode->tag->attr;
3507         for (; list != NULL; list = list->next) {
3508                 XMLAttr *attr = list->data;
3509
3510                 if (!attr || !attr->name || !attr->value) continue;
3511                 if (!strcmp(attr->name, "type"))
3512                         klass = folder_get_class_from_string(attr->value);
3513         }
3514         if (klass == NULL)
3515                 return NULL;
3516
3517         folder = folder_new(klass, "", "");
3518         g_return_val_if_fail(folder != NULL, NULL);
3519
3520         if (klass->set_xml)
3521                 klass->set_xml(folder, xmlnode->tag);
3522         else
3523                 folder_set_xml(folder, xmlnode->tag);
3524
3525         cur = node->children;
3526         while (cur != NULL) {
3527                 GNode *itemnode;
3528
3529                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3530                 g_node_append(folder->node, itemnode);
3531                 cur = cur->next;
3532         }
3533         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3534
3535         return folder;
3536 }
3537
3538 static gchar *folder_get_list_path(void)
3539 {
3540         static gchar *filename = NULL;
3541
3542         if (!filename)
3543                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3544                                         FOLDER_LIST, NULL);
3545
3546         return filename;
3547 }
3548
3549 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3550 {                                                       \
3551         fputs(" " attr "=\"", fp);                      \
3552         xml_file_put_escape_str(fp, str);               \
3553         fputs("\"", fp);                                \
3554 }
3555
3556 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3557 {
3558         FolderItem *item = (FolderItem *) nodedata;
3559         XMLTag *tag;
3560
3561         g_return_val_if_fail(item != NULL, NULL);
3562
3563         if (item->folder->klass->item_get_xml != NULL)
3564                 tag = item->folder->klass->item_get_xml(item->folder, item);
3565         else
3566                 tag = folder_item_get_xml(item->folder, item);
3567
3568         return xml_node_new(tag, NULL);
3569 }
3570
3571 static GNode *folder_get_xml_node(Folder *folder)
3572 {
3573         GNode *node;
3574         XMLNode *xmlnode;
3575         XMLTag *tag;
3576
3577         g_return_val_if_fail(folder != NULL, NULL);
3578
3579         if (folder->klass->get_xml != NULL)
3580                 tag = folder->klass->get_xml(folder);
3581         else
3582                 tag = folder_get_xml(folder);
3583
3584         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3585
3586         xmlnode = xml_node_new(tag, NULL);
3587
3588         node = g_node_new(xmlnode);
3589
3590         g_return_val_if_fail (folder->node != NULL, NULL);
3591
3592         if (folder->node->children) {
3593                 GNode *cur;
3594
3595                 cur = folder->node->children;
3596                 while (cur) {
3597                         GNode *xmlnode;
3598
3599                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3600                         g_node_append(node, xmlnode);
3601                         cur = cur->next;
3602                 }
3603         }
3604
3605         return node;
3606 }
3607
3608 static void folder_update_op_count_rec(GNode *node)
3609 {
3610         FolderItem *fitem = FOLDER_ITEM(node->data);
3611
3612         if (g_node_depth(node) > 0) {
3613                 if (fitem->op_count > 0) {
3614                         fitem->op_count = 0;
3615                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3616                 }
3617                 if (node->children) {
3618                         GNode *child;
3619
3620                         child = node->children;
3621                         while (child) {
3622                                 GNode *cur;
3623
3624                                 cur = child;
3625                                 child = cur->next;
3626                                 folder_update_op_count_rec(cur);
3627                         }
3628                 }
3629         }
3630 }
3631
3632 void folder_update_op_count(void)
3633 {
3634         GList *cur;
3635         Folder *folder;
3636
3637         for (cur = folder_list; cur != NULL; cur = cur->next) {
3638                 folder = cur->data;
3639                 folder_update_op_count_rec(folder->node);
3640         }
3641 }
3642
3643 typedef struct _type_str {
3644         gchar * str;
3645         gint type;
3646 } type_str;
3647
3648
3649 /*
3650 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3651 {
3652         if (item->parent != NULL) {
3653                 gchar * path;
3654                 gchar * id;
3655
3656                 path = folder_item_get_tree_identifier(item->parent);
3657                 if (path == NULL)
3658                         return NULL;
3659
3660                 id = g_strconcat(path, "/", item->name, NULL);
3661                 g_free(path);
3662
3663                 return id;
3664         }
3665         else {
3666                 return g_strconcat("/", item->name, NULL);
3667         }
3668 }
3669 */
3670
3671 /* CLAWS: temporary local folder for filtering */
3672 #define TEMP_FOLDER "TEMP_FOLDER"
3673 #define PROCESSING_FOLDER_ITEM "processing"
3674
3675 static FolderItem *processing_folder_item;
3676
3677 static void folder_create_processing_folder(void)
3678 {
3679         Folder *processing_folder;
3680         gchar      *tmpname;
3681
3682         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3683                 gchar *tmppath;
3684
3685                 tmppath =
3686                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3687                                 "tempfolder", NULL);
3688                 processing_folder =
3689                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3690                 g_free(tmppath);
3691         }
3692         g_assert(processing_folder != NULL);
3693
3694         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3695         /* FIXME: [W32] The code below does not correctly merge
3696            relative filenames; there should be a function to handle
3697            this.  */
3698         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
3699                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3700                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3701                                       NULL);
3702         else
3703                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3704                                       LOCAL_FOLDER(processing_folder)->rootpath,
3705                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3706                                       NULL);
3707
3708         if (!is_dir_exist(tmpname)) {
3709                 debug_print("*TMP* creating %s\n", tmpname);
3710                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3711                                                                                  processing_folder->node->data,
3712                                                                                  PROCESSING_FOLDER_ITEM);
3713         } else {
3714                 debug_print("*TMP* already created\n");
3715                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3716                 g_assert(processing_folder_item);
3717                 folder_item_append(processing_folder->node->data, processing_folder_item);
3718         }
3719         g_assert(processing_folder_item != NULL);
3720         g_free(tmpname);
3721 }
3722
3723 FolderItem *folder_get_default_processing(void)
3724 {
3725         if (!processing_folder_item) {
3726                 folder_create_processing_folder();
3727         }
3728         return processing_folder_item;
3729 }
3730
3731 /* folder_persist_prefs_new() - return hash table with persistent
3732  * settings (and folder name as key).
3733  * (note that in claws other options are in the folder_item_prefs_RC
3734  * file, so those don't need to be included in PersistPref yet)
3735  */
3736 static GHashTable *folder_persist_prefs_new(Folder *folder)
3737 {
3738         GHashTable *pptable;
3739
3740         g_return_val_if_fail(folder, NULL);
3741         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3742         folder_get_persist_prefs_recursive(folder->node, pptable);
3743         return pptable;
3744 }
3745
3746 static void folder_persist_prefs_free(GHashTable *pptable)
3747 {
3748         g_return_if_fail(pptable);
3749         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3750         g_hash_table_destroy(pptable);
3751 }
3752
3753 static const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3754 {
3755         if (pptable == NULL || name == NULL) return NULL;
3756         return g_hash_table_lookup(pptable, name);
3757 }
3758
3759 static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3760 {
3761         const PersistPrefs *pp;
3762         gchar *id = folder_item_get_identifier(item);
3763
3764         pp = folder_get_persist_prefs(pptable, id);
3765         g_free(id);
3766
3767         if (!pp) return;
3768
3769         /* CLAWS: since not all folder properties have been migrated to
3770          * folderlist.xml, we need to call the old stuff first before
3771          * setting things that apply both to Main and Claws. */
3772         folder_item_prefs_read_config(item);
3773
3774         item->collapsed = pp->collapsed;
3775         item->thread_collapsed = pp->thread_collapsed;
3776         item->threaded  = pp->threaded;
3777         item->ret_rcpt  = pp->ret_rcpt;
3778         item->hide_read_msgs = pp->hide_read_msgs;
3779         item->sort_key  = pp->sort_key;
3780         item->sort_type = pp->sort_type;
3781 }
3782
3783 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3784 {
3785         FolderItem *item = FOLDER_ITEM(node->data);
3786         PersistPrefs *pp;
3787         GNode *child, *cur;
3788         gchar *id;
3789
3790         g_return_if_fail(node != NULL);
3791         g_return_if_fail(item != NULL);
3792
3793         /* NOTE: item->path == NULL means top level folder; not interesting
3794          * to store preferences of that one.  */
3795         if (item->path) {
3796                 id = folder_item_get_identifier(item);
3797                 pp = g_new0(PersistPrefs, 1);
3798                 g_return_if_fail(pp != NULL);
3799                 pp->collapsed = item->collapsed;
3800                 pp->thread_collapsed = item->thread_collapsed;
3801                 pp->threaded  = item->threaded;
3802                 pp->ret_rcpt  = item->ret_rcpt;
3803                 pp->hide_read_msgs = item->hide_read_msgs;
3804                 pp->sort_key  = item->sort_key;
3805                 pp->sort_type = item->sort_type;
3806                 g_hash_table_insert(pptable, id, pp);
3807         }
3808
3809         if (node->children) {
3810                 child = node->children;
3811                 while (child) {
3812                         cur = child;
3813                         child = cur->next;
3814                         folder_get_persist_prefs_recursive(cur, pptable);
3815                 }
3816         }
3817 }
3818
3819 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3820 {
3821         g_free(key);
3822         g_free(val);
3823         return TRUE;
3824 }
3825
3826 void folder_item_apply_processing(FolderItem *item)
3827 {
3828         GSList *processing_list;
3829         GSList *mlist, *cur;
3830         guint total = 0, curmsg = 0;
3831         gint last_apply_per_account;
3832
3833         g_return_if_fail(item != NULL);
3834
3835         if (item->no_select)
3836                return;
3837
3838         processing_list = item->prefs->processing;
3839
3840         if (!pre_global_processing && !processing_list
3841         &&  !post_global_processing)
3842                 return;
3843
3844         debug_print("processing %s\n", item->name);
3845         folder_item_update_freeze();
3846
3847         mlist = folder_item_get_msg_list(item);
3848         total = g_slist_length(mlist);
3849         statusbar_print_all(_("Processing messages..."));
3850
3851         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
3852         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
3853
3854         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3855                 MsgInfo * msginfo;
3856
3857                 msginfo = (MsgInfo *) cur->data;
3858
3859                 /* reset parameters that can be modified by processing */
3860                 msginfo->hidden = 0;
3861                 msginfo->score = 0;
3862
3863                 statusbar_progress_all(curmsg++,total, 10);
3864
3865                 /* apply pre global rules */
3866                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL);
3867
3868                 /* apply rules of the folder */
3869                 filter_message_by_msginfo(processing_list, msginfo, NULL);
3870
3871                 /* apply post global rules */
3872                 filter_message_by_msginfo(post_global_processing, msginfo, NULL);
3873
3874         }
3875         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
3876
3877         if (pre_global_processing || processing_list
3878             || post_global_processing)
3879                 filtering_move_and_copy_msgs(mlist);
3880         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3881                 MsgInfo * msginfo = (MsgInfo *)cur->data;
3882                 procmsg_msginfo_free(msginfo);
3883         }
3884         g_slist_free(mlist);
3885
3886         statusbar_progress_all(0,0,0);
3887         statusbar_pop_all();
3888
3889         folder_item_update_thaw();
3890 }
3891
3892 /*
3893  *  functions for handling FolderItem content changes
3894  */
3895 static gint folder_item_update_freeze_cnt = 0;
3896
3897 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3898 {
3899         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3900                 FolderItemUpdateData source;
3901
3902                 source.item = item;
3903                 source.update_flags = update_flags;
3904                 source.msg = msg;
3905                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3906         } else {
3907                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3908         }
3909 }
3910
3911 /**
3912  * Notify the folder system about changes to a folder. If the
3913  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3914  * be invoked, otherwise the changes will be remebered until
3915  * the folder system is thawed.
3916  *
3917  * \param item The FolderItem that was changed
3918  * \param update_flags Type of changed that was made
3919  */
3920 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3921 {
3922         folder_item_update_with_msg(item, update_flags, NULL);
3923 }
3924
3925 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3926 {
3927         GNode *node = item->folder->node;
3928
3929         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3930         node = node->children;
3931
3932         folder_item_update(item, update_flags);
3933         while (node != NULL) {
3934                 if (node && node->data) {
3935                         FolderItem *next_item = (FolderItem*) node->data;
3936
3937                         folder_item_update(next_item, update_flags);
3938                 }
3939                 node = node->next;
3940         }
3941 }
3942
3943 void folder_item_update_freeze(void)
3944 {
3945         folder_item_update_freeze_cnt++;
3946 }
3947
3948 static void folder_item_update_func(FolderItem *item, gpointer data)
3949 {
3950         FolderItemUpdateData source;
3951
3952         if (item->update_flags) {
3953                 source.item = item;
3954                 source.update_flags = item->update_flags;
3955                 source.msg = NULL;
3956                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3957                 item->update_flags = 0;
3958         }
3959 }
3960
3961 void folder_item_update_thaw(void)
3962 {
3963         if (folder_item_update_freeze_cnt > 0)
3964                 folder_item_update_freeze_cnt--;
3965         if (folder_item_update_freeze_cnt == 0) {
3966                 /* Update all folders */
3967                 folder_func_to_all_folders(folder_item_update_func, NULL);
3968         }
3969 }
3970
3971 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
3972 {
3973         Folder *folder = (Folder *)data;
3974         if (folder == NULL || item->folder == folder) {
3975                 if(item->prefs->offlinesync && item->folder->klass->synchronise)
3976                         item->folder->klass->synchronise(item);
3977         }
3978 }
3979
3980 void folder_synchronise(Folder *folder)
3981 {
3982         folder_func_to_all_folders(folder_item_synchronise_func, folder);
3983 }
3984
3985 typedef struct _WantSyncData {
3986         Folder *folder;
3987         gboolean want_sync;
3988 } WantSyncData;
3989
3990 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
3991 {
3992         WantSyncData *want_sync_data = (WantSyncData *)data;
3993
3994         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
3995                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
3996                         want_sync_data->want_sync |= TRUE;
3997         }
3998 }
3999
4000 gboolean folder_want_synchronise(Folder *folder)
4001 {
4002         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
4003         gboolean result;
4004         want_sync_data->folder = folder;
4005         want_sync_data->want_sync = FALSE;
4006
4007         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
4008         result = want_sync_data->want_sync;
4009         g_free(want_sync_data);
4010         if (result > 0)
4011                 debug_print("Folder %s wants sync\n", folder->name);
4012         return result;
4013 }
4014
4015 void folder_item_set_batch (FolderItem *item, gboolean batch)
4016 {
4017         if (item->folder->klass->set_batch) {
4018                 item->folder->klass->set_batch(item->folder, item, batch);
4019         }
4020 }
4021
4022 gboolean folder_has_parent_of_type(FolderItem *item,
4023                                           SpecialFolderItemType type)
4024 {
4025         FolderItem *cur = item;
4026
4027         /* if we already know it, make it short */
4028         if (item->parent_stype != -1) {
4029                 return (item->parent_stype == type);
4030         }
4031
4032         /* if we don't, find the type from the first possible parent,
4033          * and set our parent type to be faster next time */
4034         while (cur) {
4035                 if (cur->stype == type || cur->parent_stype == type) {
4036                         item->parent_stype = type;
4037                         return TRUE;
4038                 }
4039                 cur = folder_item_parent(cur);
4040         }
4041
4042         /* if we didn't match what was asked, we didn't return. If our
4043          * parent type is unknown, we may as well find it now to be faster
4044          * later. */
4045         if (item->parent_stype == -1) {
4046                 cur = item;
4047                 while (cur) {
4048                         /* here's an exception: Inbox subfolders are normal. */
4049                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4050                         && item != cur) {
4051                                 item->parent_stype = F_NORMAL;
4052                                 break;
4053                         }
4054                         /* ah, we know this parent's parent's type, we may as
4055                          * well copy it instead of going up the full way */
4056                         if (cur->parent_stype != -1) {
4057                                 item->parent_stype = cur->parent_stype;
4058                                 break;
4059                         }
4060                         /* we found a parent that has a special type. That's
4061                          * our parent type. */
4062                         if (cur->stype != F_NORMAL) {
4063                                 cur->parent_stype = cur->stype;
4064                                 item->parent_stype = cur->stype;
4065                                 break;
4066                         }
4067                         /* if we didn't find anything, go up once more */
4068                         cur = folder_item_parent(cur);
4069                 }
4070                 /* as we still didn't find anything, our parents must all be
4071                  * normal. */
4072                 if (item->parent_stype == -1) {
4073                         item->parent_stype = F_NORMAL;
4074                 }
4075         }
4076         return FALSE;
4077 }
4078
4079 gboolean folder_subscribe (const gchar *uri)
4080 {
4081         GList *cur;
4082         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4083                 Folder *folder = (Folder *) cur->data;
4084
4085                 if (folder->klass->subscribe
4086                 &&  folder->klass->subscribe(folder, uri)) {
4087                         return TRUE;
4088                 }
4089         }
4090         return FALSE;
4091
4092 }
4093
4094 gboolean folder_get_sort_type           (Folder         *folder,
4095                                          FolderSortKey  *sort_key,
4096                                          FolderSortType *sort_type)
4097 {
4098         if (!folder || !sort_key || !sort_type)
4099                 return FALSE;
4100         if (folder->klass->get_sort_type == NULL)
4101                 return FALSE;
4102         folder->klass->get_sort_type(folder, sort_key, sort_type);
4103         return TRUE;
4104 }
4105
4106 #undef PUT_ESCAPE_STR