src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #include <unistd.h>
  34 #include <stdlib.h>
  35 #ifdef WIN32
  36 #include <w32lib.h>
  37 #endif
  38
  39 #include "folder.h"
  40 #include "session.h"
  41 #include "inc.h"
  42 #include "imap.h"
  43 #include "news.h"
  44 #include "mh.h"
  45 #include "utils.h"
  46 #include "xml.h"
  47 #include "codeconv.h"
  48 #include "prefs_gtk.h"
  49 #include "account.h"
  50 #include "filtering.h"
  51 #include "procheader.h"
  52 #include "hooks.h"
  53 #include "log.h"
  54 #include "folder_item_prefs.h"
  55 #include "remotefolder.h"
  56 #include "partial_download.h"
  57 #include "statusbar.h"
  58 #include "gtkutils.h"
  59 #include "timing.h"
  60 #include "compose.h"
  61 #include "main.h"
  62 #include "msgcache.h"
  63 #include "privacy.h"
  64
  65 /* Dependecies to be removed ?! */
  66 #include "prefs_common.h"
  67 #include "prefs_account.h"
  68
  69 /* Define possible missing constants for Windows. */
  70 #ifdef G_OS_WIN32
  71 # ifndef S_IRGRP
  72 # define S_IRGRP 0
  73 # define S_IWGRP 0
  74 # endif
  75 # ifndef S_IROTH
  76 # define S_IROTH 0
  77 # define S_IWOTH 0
  78 # endif
  79 #endif
  80
  81 static GList *folder_list = NULL;
  82 static GSList *class_list = NULL;
  83 static GSList *folder_unloaded_list = NULL;
  84
  85 void folder_init                (Folder         *folder,
  86                                  const gchar    *name);
  87
  88 static gchar *folder_item_get_cache_file        (FolderItem     *item);
  89 static gchar *folder_item_get_mark_file (FolderItem     *item);
  90 static gchar *folder_item_get_tags_file (FolderItem     *item);
  91 static GNode *folder_get_xml_node       (Folder         *folder);
  92 static Folder *folder_get_from_xml      (GNode          *node);
  93 static void folder_update_op_count_rec  (GNode          *node);
  94
  95
  96 static void folder_get_persist_prefs_recursive
  97                                         (GNode *node, GHashTable *pptable);
  98 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  99 static void folder_item_read_cache              (FolderItem *item);
 100 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
 101 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
 102                                          MsgInfo *msg);
 103 static GHashTable *folder_persist_prefs_new     (Folder *folder);
 104 static void folder_persist_prefs_free           (GHashTable *pptable);
 105 static void folder_item_restore_persist_prefs   (FolderItem *item, GHashTable *pptable);
 106
 107 void folder_system_init(void)
 108 {
 109         folder_register_class(mh_get_class());
 110         folder_register_class(imap_get_class());
 111         folder_register_class(news_get_class());
 112 }
 113
 114 static GSList *folder_get_class_list(void)
 115 {
 116         return class_list;
 117 }
 118
 119 void folder_register_class(FolderClass *klass)
 120 {
 121         GSList *xmllist, *cur;
 122
 123         debug_print("registering folder class %s\n", klass->idstr);
 124
 125         class_list = g_slist_append(class_list, klass);
 126
 127         xmllist = g_slist_copy(folder_unloaded_list);
 128         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 129                 GNode *node = (GNode *) cur->data;
 130                 XMLNode *xmlnode = (XMLNode *) node->data;
 131                 GList *cur = xmlnode->tag->attr;
 132
 133                 for (; cur != NULL; cur = g_list_next(cur)) {
 134                         XMLAttr *attr = (XMLAttr *) cur->data;
 135
 136                         if (!attr || !attr->name || !attr->value) continue;
 137                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 138                                 Folder *folder;
 139
 140                                 folder = folder_get_from_xml(node);
 141                                 if (folder) {
 142                                         folder_add(folder);
 143                                         folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 144                                 }
 145                                 cur = NULL;
 146                                 continue;
 147                         }
 148                 }
 149         }
 150         g_slist_free(xmllist);
 151 }
 152
 153 void folder_unregister_class(FolderClass *klass)
 154 {
 155         GList *folderlist, *cur;
 156
 157         debug_print("unregistering folder class %s\n", klass->idstr);
 158
 159         class_list = g_slist_remove(class_list, klass);
 160
 161         folderlist = g_list_copy(folder_get_list());
 162         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 163                 Folder *folder = (Folder *) cur->data;
 164
 165                 if (folder->klass == klass) {
 166                         GNode *xmlnode = folder_get_xml_node(folder);
 167                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 168                         folder_destroy(folder);
 169                 }
 170         }
 171         g_list_free(folderlist);
 172 }
 173
 174 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 175 {
 176         Folder *folder = NULL;
 177         FolderItem *item;
 178
 179         cm_return_val_if_fail(klass != NULL, NULL);
 180
 181         name = name ? name : path;
 182         folder = klass->new_folder(name, path);
 183
 184         /* Create root folder item */
 185         item = folder_item_new(folder, name, NULL);
 186         if (item == NULL) {
 187                 return NULL;
 188         }
 189         item->folder = folder;
 190         folder->node = item->node = g_node_new(item);
 191         folder->data = NULL;
 192
 193         return folder;
 194 }
 195
 196 void folder_init(Folder *folder, const gchar *name)
 197 {
 198         cm_return_if_fail(folder != NULL);
 199
 200         folder_set_name(folder, name);
 201
 202         /* Init folder data */
 203         folder->account = NULL;
 204         folder->sort = 0;
 205         folder->inbox = NULL;
 206         folder->outbox = NULL;
 207         folder->draft = NULL;
 208         folder->queue = NULL;
 209         folder->trash = NULL;
 210 }
 211
 212 static void reset_parent_type(FolderItem *item, gpointer data) {
 213         item->parent_stype = -1;
 214 }
 215
 216 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 217 {
 218         Folder *folder = NULL;
 219         FolderUpdateData hookdata;
 220
 221         if (item == NULL)
 222                 return;
 223
 224         folder = item->folder;
 225         /* unset previous root of newtype */
 226         switch(newtype) {
 227         case F_INBOX:
 228                 folder_item_change_type(folder->inbox, F_NORMAL);
 229                 folder->inbox = item;
 230                 break;
 231         case F_OUTBOX:
 232                 folder_item_change_type(folder->outbox, F_NORMAL);
 233                 folder->outbox = item;
 234                 break;
 235         case F_QUEUE:
 236                 folder_item_change_type(folder->queue, F_NORMAL);
 237                 folder->queue = item;
 238                 break;
 239         case F_DRAFT:
 240                 folder_item_change_type(folder->draft, F_NORMAL);
 241                 folder->draft = item;
 242                 break;
 243         case F_TRASH:
 244                 folder_item_change_type(folder->trash, F_NORMAL);
 245                 folder->trash = item;
 246                 break;
 247         case F_NORMAL:
 248         default:
 249                 break;
 250         }
 251         /* set new type for current folder and sons */
 252         item->stype = newtype;
 253         folder_func_to_all_folders(reset_parent_type, NULL);
 254
 255         hookdata.folder = folder;
 256         hookdata.update_flags = FOLDER_TREE_CHANGED;
 257         hookdata.item = NULL;
 258         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 259 }
 260
 261 void folder_destroy(Folder *folder)
 262 {
 263         cm_return_if_fail(folder != NULL);
 264         cm_return_if_fail(folder->klass->destroy_folder != NULL);
 265
 266         folder_remove(folder);
 267
 268         folder_tree_destroy(folder);
 269
 270         folder->klass->destroy_folder(folder);
 271
 272         g_free(folder->name);
 273         g_free(folder);
 274 }
 275
 276 void folder_set_xml(Folder *folder, XMLTag *tag)
 277 {
 278         GList *cur;
 279         FolderItem *rootitem = NULL;
 280
 281         if ((folder->node != NULL) && (folder->node->data != NULL))
 282                 rootitem = (FolderItem *) folder->node->data;
 283
 284         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 285                 XMLAttr *attr = (XMLAttr *) cur->data;
 286
 287                 if (!attr || !attr->name || !attr->value) continue;
 288                 if (!strcmp(attr->name, "name")) {
 289                         g_free(folder->name);
 290                         folder->name = g_strdup(attr->value);
 291                         if (rootitem != NULL) {
 292                                 g_free(rootitem->name);
 293                                 rootitem->name = g_strdup(attr->value);
 294                         }
 295                 } else if (!strcmp(attr->name, "account_id")) {
 296                         PrefsAccount *account;
 297
 298                         account = account_find_from_id(atoi(attr->value));
 299                         if (!account)
 300                                 g_warning("account_id: %s not found\n", attr->value);
 301                         else {
 302                                 folder->account = account;
 303                                 account->folder = folder;
 304                         }
 305                 } else if (!strcmp(attr->name, "collapsed")) {
 306                         if (rootitem != NULL)
 307                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 308                 } else if (!strcmp(attr->name, "sort")) {
 309                         folder->sort = atoi(attr->value);
 310                 }
 311         }
 312 }
 313
 314 XMLTag *folder_get_xml(Folder *folder)
 315 {
 316         XMLTag *tag;
 317
 318         tag = xml_tag_new("folder");
 319
 320         if (folder->name)
 321                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 322         if (folder->account)
 323                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 324         if (folder->node && folder->node->data) {
 325                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 326
 327                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 328         }
 329         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 330
 331         return tag;
 332 }
 333
 334 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 335 {
 336         FolderItem *item = NULL;
 337
 338         cm_return_val_if_fail(folder != NULL, NULL);
 339
 340         if (folder->klass->item_new) {
 341                 item = folder->klass->item_new(folder);
 342         } else {
 343                 item = g_new0(FolderItem, 1);
 344         }
 345
 346         cm_return_val_if_fail(item != NULL, NULL);
 347
 348         item->stype = F_NORMAL;
 349
 350         if(!g_utf8_validate(name, -1, NULL)) {
 351                 item->name = g_malloc(strlen(name)*2+1);
 352                 conv_localetodisp(item->name, strlen(name)*2+1, name);
 353         } else {
 354                 item->name = g_strdup(name);
 355         }
 356
 357         item->path = g_strdup(path);
 358         item->mtime = 0;
 359         item->new_msgs = 0;
 360         item->unread_msgs = 0;
 361         item->unreadmarked_msgs = 0;
 362         item->marked_msgs = 0;
 363         item->total_msgs = 0;
 364         item->replied_msgs = 0;
 365         item->forwarded_msgs = 0;
 366         item->locked_msgs = 0;
 367         item->ignored_msgs = 0;
 368         item->watched_msgs = 0;
 369         item->order = 0;
 370         item->last_num = -1;
 371         item->cache = NULL;
 372         item->no_sub = FALSE;
 373         item->no_select = FALSE;
 374         item->collapsed = FALSE;
 375         item->thread_collapsed = FALSE;
 376         item->threaded  = TRUE;
 377         item->ret_rcpt  = FALSE;
 378         item->opened    = FALSE;
 379         item->node = g_node_new(item);
 380         item->folder = NULL;
 381         item->account = NULL;
 382         item->apply_sub = FALSE;
 383         item->mark_queue = NULL;
 384         item->data = NULL;
 385         item->parent_stype = -1;
 386
 387         item->sort_key = SORT_BY_DATE;
 388         item->sort_type = SORT_ASCENDING;
 389
 390         item->prefs = folder_item_prefs_new();
 391
 392         return item;
 393 }
 394
 395 void folder_item_append(FolderItem *parent, FolderItem *item)
 396 {
 397         cm_return_if_fail(parent != NULL);
 398         cm_return_if_fail(parent->folder != NULL);
 399         cm_return_if_fail(parent->node != NULL);
 400         cm_return_if_fail(item != NULL);
 401
 402         item->folder = parent->folder;
 403         g_node_append(parent->node, item->node);
 404 }
 405
 406 void folder_item_remove(FolderItem *item)
 407 {
 408         GNode *node, *start_node;
 409         FolderUpdateData hookdata;
 410         gchar *tags_file = NULL, *tags_dir = NULL;
 411
 412         cm_return_if_fail(item != NULL);
 413         cm_return_if_fail(item->folder != NULL);
 414         cm_return_if_fail(item->folder->node != NULL);
 415
 416         start_node = item->node;
 417
 418         node = item->folder->node;
 419
 420         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 421         node = node->children;
 422
 423         /* remove my children */
 424         while (node != NULL) {
 425                 if (node && node->data) {
 426                         FolderItem *sub_item = (FolderItem*) node->data;
 427                         node = node->next;
 428                         folder_item_remove(sub_item);
 429                 }
 430         }
 431
 432         /* remove myself */
 433         if (item->cache != NULL) {
 434                 msgcache_destroy(item->cache);
 435                 item->cache = NULL;
 436         }
 437         tags_file = folder_item_get_tags_file(item);
 438         if (tags_file)
 439                 claws_unlink(tags_file);
 440         tags_dir = g_path_get_dirname(tags_file);
 441         if (tags_dir)
 442                 rmdir(tags_dir);
 443
 444         g_free(tags_file);
 445         g_free(tags_dir);
 446
 447         hookdata.folder = item->folder;
 448         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 449         hookdata.item = item;
 450         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 451
 452         node = start_node;
 453
 454         if (item->folder->node == node)
 455                 item->folder->node = NULL;
 456
 457         folder_item_destroy(item);
 458
 459         g_node_destroy(node);
 460 }
 461
 462 void folder_item_remove_children(FolderItem *item)
 463 {
 464         GNode *node, *next;
 465
 466         cm_return_if_fail(item != NULL);
 467         cm_return_if_fail(item->folder != NULL);
 468         cm_return_if_fail(item->node != NULL);
 469
 470         node = item->node->children;
 471         while (node != NULL) {
 472                 next = node->next;
 473                 folder_item_remove(FOLDER_ITEM(node->data));
 474                 node = next;
 475         }
 476 }
 477
 478 void folder_item_destroy(FolderItem *item)
 479 {
 480         Folder *folder;
 481
 482         cm_return_if_fail(item != NULL);
 483
 484         folder = item->folder;
 485         if (folder) {
 486                 if (folder->inbox == item)
 487                         folder->inbox = NULL;
 488                 else if (folder->outbox == item)
 489                         folder->outbox = NULL;
 490                 else if (folder->draft == item)
 491                         folder->draft = NULL;
 492                 else if (folder->queue == item)
 493                         folder->queue = NULL;
 494                 else if (folder->trash == item)
 495                         folder->trash = NULL;
 496         }
 497
 498         if (item->cache)
 499                 folder_item_free_cache(item, TRUE);
 500         if (item->prefs)
 501                 folder_item_prefs_free(item->prefs);
 502         g_free(item->name);
 503         g_free(item->path);
 504
 505         if (item->folder != NULL) {
 506                 if(item->folder->klass->item_destroy) {
 507                         item->folder->klass->item_destroy(item->folder, item);
 508                 } else {
 509                         g_free(item);
 510                 }
 511         }
 512 }
 513
 514 FolderItem *folder_item_parent(FolderItem *item)
 515 {
 516         cm_return_val_if_fail(item != NULL, NULL);
 517         cm_return_val_if_fail(item->node != NULL, NULL);
 518
 519         if (item->node->parent == NULL)
 520                 return NULL;
 521         return (FolderItem *) item->node->parent->data;
 522 }
 523
 524 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 525 {
 526         GList *cur;
 527
 528         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 529                 XMLAttr *attr = (XMLAttr *) cur->data;
 530
 531                 if (!attr || !attr->name || !attr->value) continue;
 532                 if (!strcmp(attr->name, "type")) {
 533                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 534                                 item->stype = F_NORMAL;
 535                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 536                                 item->stype = F_INBOX;
 537                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 538                                 item->stype = F_OUTBOX;
 539                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 540                                 item->stype = F_DRAFT;
 541                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 542                                 item->stype = F_QUEUE;
 543                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 544                                 item->stype = F_TRASH;
 545                 } else if (!strcmp(attr->name, "name")) {
 546                         g_free(item->name);
 547                         item->name = g_strdup(attr->value);
 548                 } else if (!strcmp(attr->name, "path")) {
 549                         g_free(item->path);
 550                         item->path = g_strdup(attr->value);
 551                 } else if (!strcmp(attr->name, "mtime"))
 552                         item->mtime = strtoul(attr->value, NULL, 10);
 553                 else if (!strcmp(attr->name, "new"))
 554                         item->new_msgs = atoi(attr->value);
 555                 else if (!strcmp(attr->name, "unread"))
 556                         item->unread_msgs = atoi(attr->value);
 557                 else if (!strcmp(attr->name, "unreadmarked"))
 558                         item->unreadmarked_msgs = atoi(attr->value);
 559                 else if (!strcmp(attr->name, "marked"))
 560                         item->marked_msgs = atoi(attr->value);
 561                 else if (!strcmp(attr->name, "replied"))
 562                         item->replied_msgs = atoi(attr->value);
 563                 else if (!strcmp(attr->name, "forwarded"))
 564                         item->forwarded_msgs = atoi(attr->value);
 565                 else if (!strcmp(attr->name, "locked"))
 566                         item->locked_msgs = atoi(attr->value);
 567                 else if (!strcmp(attr->name, "ignored"))
 568                         item->ignored_msgs = atoi(attr->value);
 569                 else if (!strcmp(attr->name, "watched"))
 570                         item->watched_msgs = atoi(attr->value);
 571                 else if (!strcmp(attr->name, "order"))
 572                         item->order = atoi(attr->value);
 573                 else if (!strcmp(attr->name, "total"))
 574                         item->total_msgs = atoi(attr->value);
 575                 else if (!strcmp(attr->name, "no_sub"))
 576                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 577                 else if (!strcmp(attr->name, "no_select"))
 578                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 579                 else if (!strcmp(attr->name, "collapsed"))
 580                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 581                 else if (!strcmp(attr->name, "thread_collapsed"))
 582                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 583                 else if (!strcmp(attr->name, "threaded"))
 584                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 585                 else if (!strcmp(attr->name, "hidereadmsgs"))
 586                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 587                 else if (!strcmp(attr->name, "hidedelmsgs"))
 588                         item->hide_del_msgs =  *attr->value == '1' ? TRUE : FALSE;
 589                 else if (!strcmp(attr->name, "hidereadthreads"))
 590                         item->hide_read_threads =  *attr->value == '1' ? TRUE : FALSE;
 591                 else if (!strcmp(attr->name, "reqretrcpt"))
 592                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 593                 else if (!strcmp(attr->name, "sort_key")) {
 594                         if (!strcmp(attr->value, "none"))
 595                                 item->sort_key = SORT_BY_NONE;
 596                         else if (!strcmp(attr->value, "number"))
 597                                 item->sort_key = SORT_BY_NUMBER;
 598                         else if (!strcmp(attr->value, "size"))
 599                                 item->sort_key = SORT_BY_SIZE;
 600                         else if (!strcmp(attr->value, "date"))
 601                                 item->sort_key = SORT_BY_DATE;
 602                         else if (!strcmp(attr->value, "from"))
 603                                 item->sort_key = SORT_BY_FROM;
 604                         else if (!strcmp(attr->value, "subject"))
 605                                 item->sort_key = SORT_BY_SUBJECT;
 606                         else if (!strcmp(attr->value, "score"))
 607                                 item->sort_key = SORT_BY_SCORE;
 608                         else if (!strcmp(attr->value, "label"))
 609                                 item->sort_key = SORT_BY_LABEL;
 610                         else if (!strcmp(attr->value, "mark"))
 611                                 item->sort_key = SORT_BY_MARK;
 612                         else if (!strcmp(attr->value, "unread"))
 613                                 item->sort_key = SORT_BY_STATUS;
 614                         else if (!strcmp(attr->value, "mime"))
 615                                 item->sort_key = SORT_BY_MIME;
 616                         else if (!strcmp(attr->value, "to"))
 617                                 item->sort_key = SORT_BY_TO;
 618                         else if (!strcmp(attr->value, "locked"))
 619                                 item->sort_key = SORT_BY_LOCKED;
 620                         else if (!strcmp(attr->value, "tags"))
 621                                 item->sort_key = SORT_BY_TAGS;
 622                         else if (!strcmp(attr->value, "thread_date"))
 623                                 item->sort_key = SORT_BY_THREAD_DATE;
 624                 } else if (!strcmp(attr->name, "sort_type")) {
 625                         if (!strcmp(attr->value, "ascending"))
 626                                 item->sort_type = SORT_ASCENDING;
 627                         else
 628                                 item->sort_type = SORT_DESCENDING;
 629                 } else if (!strcmp(attr->name, "account_id")) {
 630                         PrefsAccount *account;
 631
 632                         account = account_find_from_id(atoi(attr->value));
 633                         if (!account)
 634                                 g_warning("account_id: %s not found\n", attr->value);
 635                         else
 636                                 item->account = account;
 637                 } else if (!strcmp(attr->name, "apply_sub")) {
 638                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 639                 } else if (!strcmp(attr->name, "last_seen")) {
 640                         if (!claws_crashed())
 641                                 item->last_seen = atoi(attr->value);
 642                         else
 643                                 item->last_seen = 0;
 644                 }
 645         }
 646 }
 647
 648 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 649 {
 650         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 651                                                  "draft", "queue", "trash"};
 652         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 653                                         "from", "subject", "score", "label",
 654                                         "mark", "unread", "mime", "to",
 655                                         "locked", "tags", "thread_date" };
 656         XMLTag *tag;
 657         gchar *value;
 658
 659         tag = xml_tag_new("folderitem");
 660
 661         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 662         if (item->name)
 663                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 664         if (item->path)
 665                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 666         if (item->no_sub)
 667                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 668         if (item->no_select)
 669                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 670         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 671         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 672         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 673         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 674         xml_tag_add_attr(tag, xml_attr_new("hidedelmsgs", item->hide_del_msgs ? "1" : "0"));
 675         xml_tag_add_attr(tag, xml_attr_new("hidereadthreads", item->hide_read_threads ? "1" : "0"));
 676         if (item->ret_rcpt)
 677                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 678
 679         if (item->sort_key != SORT_BY_NONE) {
 680                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 681                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 682         }
 683
 684         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 685         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 686         g_free(value);
 687         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 688         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 689         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 690         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 691         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 692         xml_tag_add_attr(tag, xml_attr_new_int("replied", item->replied_msgs));
 693         xml_tag_add_attr(tag, xml_attr_new_int("forwarded", item->forwarded_msgs));
 694         xml_tag_add_attr(tag, xml_attr_new_int("locked", item->locked_msgs));
 695         xml_tag_add_attr(tag, xml_attr_new_int("ignore", item->ignored_msgs));
 696         xml_tag_add_attr(tag, xml_attr_new_int("watched", item->watched_msgs));
 697         xml_tag_add_attr(tag, xml_attr_new_int("order", item->order));
 698
 699         if (item->account)
 700                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 701         if (item->apply_sub)
 702                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 703
 704         xml_tag_add_attr(tag, xml_attr_new_int("last_seen", item->last_seen));
 705
 706         return tag;
 707 }
 708
 709 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 710 {
 711         cm_return_if_fail(folder != NULL);
 712
 713         folder->ui_func = func;
 714         folder->ui_func_data = data;
 715 }
 716
 717 void folder_set_name(Folder *folder, const gchar *name)
 718 {
 719         cm_return_if_fail(folder != NULL);
 720
 721         g_free(folder->name);
 722         folder->name = name ? g_strdup(name) : NULL;
 723         if (folder->node && folder->node->data) {
 724                 FolderItem *item = (FolderItem *)folder->node->data;
 725
 726                 g_free(item->name);
 727                 item->name = name ? g_strdup(name) : NULL;
 728         }
 729 }
 730
 731 void folder_set_sort(Folder *folder, guint sort)
 732 {
 733         cm_return_if_fail(folder != NULL);
 734
 735         if (folder->sort != sort) {
 736                 folder_remove(folder);
 737                 folder->sort = sort;
 738                 folder_add(folder);
 739         }
 740 }
 741
 742 static gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 743         FolderItem *item = (FolderItem *) node->data;
 744
 745         folder_item_destroy(item);
 746         return FALSE;
 747 }
 748
 749 void folder_tree_destroy(Folder *folder)
 750 {
 751         GNode *node;
 752
 753         cm_return_if_fail(folder != NULL);
 754
 755         node = folder->node;
 756
 757         prefs_filtering_clear_folder(folder);
 758
 759         if (node != NULL) {
 760                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 761                                 folder_tree_destroy_func, NULL);
 762                 g_node_destroy(node);
 763                 folder->node = NULL;
 764         }
 765 }
 766
 767 void folder_add(Folder *folder)
 768 {
 769         Folder *cur_folder;
 770         GList *cur;
 771         gint i;
 772         FolderUpdateData hookdata;
 773
 774         cm_return_if_fail(folder != NULL);
 775
 776         if ((FOLDER_TYPE(folder) == F_IMAP ||
 777              FOLDER_TYPE(folder) == F_NEWS) &&
 778             folder->account == NULL) {
 779                 return;
 780         }
 781
 782         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 783                 cur_folder = FOLDER(cur->data);
 784                 if (cur_folder->sort < folder->sort)
 785                         break;
 786         }
 787
 788         folder_list = g_list_insert(folder_list, folder, i);
 789
 790         hookdata.folder = folder;
 791         hookdata.update_flags = FOLDER_ADD_FOLDER;
 792         hookdata.item = NULL;
 793         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 794 }
 795
 796 void folder_remove(Folder *folder)
 797 {
 798         FolderUpdateData hookdata;
 799
 800         cm_return_if_fail(folder != NULL);
 801
 802         folder_list = g_list_remove(folder_list, folder);
 803
 804         hookdata.folder = folder;
 805         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 806         hookdata.item = NULL;
 807         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 808 }
 809
 810 GList *folder_get_list(void)
 811 {
 812         return folder_list;
 813 }
 814
 815 gint folder_read_list(void)
 816 {
 817         GNode *node, *cur;
 818         XMLNode *xmlnode;
 819         gchar *path;
 820
 821         path = folder_get_list_path();
 822         if (!is_file_exist(path)) return -1;
 823         node = xml_parse_file(path);
 824         if (!node) return -1;
 825
 826         xmlnode = node->data;
 827         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 828                 g_warning("wrong folder list\n");
 829                 xml_free_tree(node);
 830                 return -1;
 831         }
 832
 833         cur = node->children;
 834         while (cur != NULL) {
 835                 Folder *folder;
 836
 837                 folder = folder_get_from_xml(cur);
 838                 if (folder != NULL)
 839                         folder_add(folder);
 840                 else
 841                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 842                                 (gpointer) xml_copy_tree(cur));
 843                 cur = cur->next;
 844         }
 845
 846         xml_free_tree(node);
 847         if (folder_list || folder_unloaded_list)
 848                 return 0;
 849         else
 850                 return -1;
 851 }
 852
 853 void folder_write_list(void)
 854 {
 855         GList *list;
 856         GSList *slist;
 857         Folder *folder;
 858         gchar *path;
 859         PrefFile *pfile;
 860         GNode *rootnode;
 861         XMLNode *xmlnode;
 862         XMLTag *tag;
 863
 864         path = folder_get_list_path();
 865         if ((pfile = prefs_write_open(path)) == NULL) return;
 866
 867         if (xml_file_put_xml_decl(pfile->fp) < 0) {
 868                 prefs_file_close_revert(pfile);
 869                 g_warning("failed to start write folder list.\n");
 870                 return;
 871         }
 872         tag = xml_tag_new("folderlist");
 873
 874         xmlnode = xml_node_new(tag, NULL);
 875
 876         rootnode = g_node_new(xmlnode);
 877
 878         for (list = folder_list; list != NULL; list = list->next) {
 879                 GNode *node;
 880
 881                 folder = list->data;
 882                 node = folder_get_xml_node(folder);
 883                 if (node != NULL)
 884                         g_node_append(rootnode, node);
 885         }
 886
 887         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 888                 GNode *node = (GNode *) slist->data;
 889
 890                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 891         }
 892
 893         if (xml_write_tree(rootnode, pfile->fp) < 0) {
 894                 prefs_file_close_revert(pfile);
 895                 g_warning("failed to write folder list.\n");
 896         } else if (prefs_file_close(pfile) < 0) {
 897                 g_warning("failed to write folder list.\n");
 898         }
 899         xml_free_tree(rootnode);
 900 }
 901
 902 static gboolean folder_scan_tree_func(GNode *node, gpointer data)
 903 {
 904         GHashTable *pptable = (GHashTable *)data;
 905         FolderItem *item = (FolderItem *)node->data;
 906
 907         folder_item_restore_persist_prefs(item, pptable);
 908         folder_item_scan_full(item, FALSE);
 909
 910         return FALSE;
 911 }
 912
 913 void folder_scan_tree(Folder *folder, gboolean rebuild)
 914 {
 915         GHashTable *pptable;
 916         FolderUpdateData hookdata;
 917         Folder *old_folder = folder;
 918
 919         if (!folder->klass->scan_tree)
 920                 return;
 921
 922         pptable = folder_persist_prefs_new(folder);
 923
 924         if (rebuild)
 925                 folder_remove(folder);
 926
 927         if (folder->klass->scan_tree(folder) < 0) {
 928                 if (rebuild)
 929                         folder_add(old_folder);
 930                 return;
 931         } else if (rebuild)
 932                 folder_add(folder);
 933
 934         hookdata.folder = folder;
 935         hookdata.update_flags = FOLDER_TREE_CHANGED;
 936         hookdata.item = NULL;
 937         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 938
 939         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 940         folder_persist_prefs_free(pptable);
 941
 942         prefs_matcher_read_config();
 943
 944         folder_write_list();
 945 }
 946
 947 static gboolean folder_restore_prefs_func(GNode *node, gpointer data)
 948 {
 949         GHashTable *pptable = (GHashTable *)data;
 950         FolderItem *item = (FolderItem *)node->data;
 951
 952         folder_item_restore_persist_prefs(item, pptable);
 953
 954         return FALSE;
 955 }
 956
 957 void folder_fast_scan_tree(Folder *folder)
 958 {
 959         GHashTable *pptable;
 960         FolderUpdateData hookdata;
 961
 962         if (!folder->klass->scan_tree)
 963                 return;
 964
 965         pptable = folder_persist_prefs_new(folder);
 966
 967         if (folder->klass->scan_tree(folder) < 0) {
 968                 return;
 969         }
 970
 971         hookdata.folder = folder;
 972         hookdata.update_flags = FOLDER_TREE_CHANGED;
 973         hookdata.item = NULL;
 974         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 975
 976         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_restore_prefs_func, pptable);
 977         folder_persist_prefs_free(pptable);
 978
 979         prefs_matcher_read_config();
 980
 981         folder_write_list();
 982 }
 983
 984 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 985 {
 986         FolderItem *new_item;
 987
 988         cm_return_val_if_fail(parent != NULL, NULL);
 989
 990         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 991         if (new_item) {
 992                 FolderUpdateData hookdata;
 993
 994                 new_item->cache = msgcache_new();
 995                 new_item->cache_dirty = TRUE;
 996                 new_item->mark_dirty = TRUE;
 997                 new_item->tags_dirty = TRUE;
 998
 999                 hookdata.folder = new_item->folder;
1000                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
1001                 hookdata.item = new_item;
1002                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
1003         }
1004
1005         return new_item;
1006 }
1007
1008 gint folder_item_rename(FolderItem *item, gchar *newname)
1009 {
1010         gint retval;
1011
1012         cm_return_val_if_fail(item != NULL, -1);
1013         cm_return_val_if_fail(newname != NULL, -1);
1014
1015         retval = item->folder->klass->rename_folder(item->folder, item, newname);
1016
1017         if (retval >= 0) {
1018                 FolderItemUpdateData hookdata;
1019                 FolderUpdateData hookdata2;
1020
1021                 hookdata.item = item;
1022                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
1023                 hookdata.msg = NULL;
1024                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
1025
1026                 hookdata2.folder = item->folder;
1027                 hookdata2.item = item;
1028                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
1029                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
1030         }
1031
1032         return retval;
1033 }
1034
1035 struct TotalMsgCount
1036 {
1037         guint new_msgs;
1038         guint unread_msgs;
1039         guint unreadmarked_msgs;
1040         guint marked_msgs;
1041         guint total_msgs;
1042         guint replied_msgs;
1043         guint forwarded_msgs;
1044         guint locked_msgs;
1045         guint ignored_msgs;
1046         guint watched_msgs;
1047 };
1048
1049 struct FuncToAllFoldersData
1050 {
1051         FolderItemFunc  function;
1052         gpointer        data;
1053 };
1054
1055 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
1056 {
1057         FolderItem *item;
1058         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
1059
1060         cm_return_val_if_fail(node->data != NULL, FALSE);
1061
1062         item = FOLDER_ITEM(node->data);
1063         cm_return_val_if_fail(item != NULL, FALSE);
1064
1065         function_data->function(item, function_data->data);
1066
1067         return FALSE;
1068 }
1069
1070 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
1071 {
1072         GList *list;
1073         Folder *folder;
1074         struct FuncToAllFoldersData function_data;
1075
1076         function_data.function = function;
1077         function_data.data = data;
1078
1079         for (list = folder_list; list != NULL; list = list->next) {
1080                 folder = FOLDER(list->data);
1081                 if (folder->node)
1082                         g_node_traverse(folder->node, G_PRE_ORDER,
1083                                         G_TRAVERSE_ALL, -1,
1084                                         folder_func_to_all_folders_func,
1085                                         &function_data);
1086         }
1087 }
1088
1089 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
1090 {
1091         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
1092
1093         count->new_msgs += item->new_msgs;
1094         count->unread_msgs += item->unread_msgs;
1095         count->unreadmarked_msgs += item->unreadmarked_msgs;
1096         count->marked_msgs += item->marked_msgs;
1097         count->total_msgs += item->total_msgs;
1098         count->replied_msgs += item->replied_msgs;
1099         count->forwarded_msgs += item->forwarded_msgs;
1100         count->locked_msgs += item->locked_msgs;
1101         count->ignored_msgs += item->ignored_msgs;
1102         count->watched_msgs += item->watched_msgs;
1103 }
1104
1105 struct TotalMsgStatus
1106 {
1107         guint new;
1108         guint unread;
1109         guint total;
1110         GString *str;
1111 };
1112
1113 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
1114 {
1115         FolderItem *item;
1116         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
1117         gchar *id;
1118
1119         cm_return_val_if_fail(node->data != NULL, FALSE);
1120
1121         item = FOLDER_ITEM(node->data);
1122
1123         if (!item->path) return FALSE;
1124
1125         status->new += item->new_msgs;
1126         status->unread += item->unread_msgs;
1127         status->total += item->total_msgs;
1128
1129         if (status->str) {
1130                 id = folder_item_get_identifier(item);
1131                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
1132                                   item->new_msgs, item->unread_msgs,
1133                                   item->total_msgs, id);
1134                 g_free(id);
1135         }
1136
1137         return FALSE;
1138  }
1139
1140 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
1141                                        guint *total)
1142 {
1143         GList *list;
1144         Folder *folder;
1145         struct TotalMsgStatus status;
1146
1147         status.new = status.unread = status.total = 0;
1148         status.str = str;
1149
1150         debug_print("Counting total number of messages...\n");
1151
1152         for (list = folder_list; list != NULL; list = list->next) {
1153                 folder = FOLDER(list->data);
1154                 if (folder->node)
1155                         g_node_traverse(folder->node, G_PRE_ORDER,
1156                                         G_TRAVERSE_ALL, -1,
1157                                         folder_get_status_full_all_func,
1158                                         &status);
1159         }
1160
1161         *new = status.new;
1162         *unread = status.unread;
1163         *total = status.total;
1164 }
1165
1166 gchar *folder_get_status(GPtrArray *folders, gboolean full)
1167 {
1168         guint new, unread, total;
1169         GString *str;
1170         gint i;
1171         gchar *ret;
1172
1173         new = unread = total = 0;
1174
1175         str = g_string_new(NULL);
1176
1177         if (folders) {
1178                 for (i = 0; i < folders->len; i++) {
1179                         FolderItem *item;
1180
1181                         item = g_ptr_array_index(folders, i);
1182                         new += item->new_msgs;
1183                         unread += item->unread_msgs;
1184                         total += item->total_msgs;
1185
1186                         if (full) {
1187                                 gchar *id;
1188
1189                                 id = folder_item_get_identifier(item);
1190                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1191                                                   item->new_msgs, item->unread_msgs,
1192                                                   item->total_msgs, id);
1193                                 g_free(id);
1194                         }
1195                 }
1196         } else {
1197                 folder_get_status_full_all(full ? str : NULL,
1198                                            &new, &unread, &total);
1199         }
1200
1201         if (full)
1202                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1203         else
1204                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1205
1206         ret = str->str;
1207         g_string_free(str, FALSE);
1208
1209         return ret;
1210 }
1211
1212 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1213                              guint *unreadmarked_msgs, guint *marked_msgs,
1214                              guint *total_msgs, guint *replied_msgs,
1215                              guint *forwarded_msgs, guint *locked_msgs,
1216                              guint *ignored_msgs, guint *watched_msgs)
1217 {
1218         struct TotalMsgCount count;
1219
1220         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = 0;
1221         count.total_msgs = count.replied_msgs = count.forwarded_msgs = 0;
1222         count.locked_msgs = count.ignored_msgs = count.watched_msgs = 0;
1223         count.marked_msgs = 0;
1224
1225         debug_print("Counting total number of messages...\n");
1226
1227         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1228
1229         *new_msgs = count.new_msgs;
1230         *unread_msgs = count.unread_msgs;
1231         *unreadmarked_msgs = count.unreadmarked_msgs;
1232         *marked_msgs = count.marked_msgs;
1233         *total_msgs = count.total_msgs;
1234         *replied_msgs = count.replied_msgs;
1235         *forwarded_msgs = count.forwarded_msgs;
1236         *locked_msgs = count.locked_msgs;
1237         *ignored_msgs = count.ignored_msgs;
1238         *watched_msgs = count.watched_msgs;
1239 }
1240
1241 Folder *folder_find_from_path(const gchar *path)
1242 {
1243         GList *list;
1244         Folder *folder;
1245
1246         for (list = folder_list; list != NULL; list = list->next) {
1247                 folder = list->data;
1248                 if ((FOLDER_TYPE(folder) == F_MH ||
1249                      FOLDER_TYPE(folder) == F_MBOX) &&
1250                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1251                         return folder;
1252         }
1253
1254         return NULL;
1255 }
1256
1257 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1258 {
1259         GList *list;
1260         Folder *folder;
1261
1262         for (list = folder_list; list != NULL; list = list->next) {
1263                 folder = list->data;
1264                 if (folder->klass == klass &&
1265                     strcmp2(name, folder->name) == 0)
1266                         return folder;
1267         }
1268
1269         return NULL;
1270 }
1271
1272 static gboolean folder_item_find_func(GNode *node, gpointer data)
1273 {
1274         FolderItem *item = node->data;
1275         gpointer *d = data;
1276         const gchar *path = d[0];
1277
1278         if (path_cmp(path, item->path) != 0)
1279                 return FALSE;
1280
1281         d[1] = item;
1282
1283         return TRUE;
1284 }
1285
1286 FolderItem *folder_find_item_from_path(const gchar *path)
1287 {
1288         Folder *folder;
1289         gpointer d[2];
1290         GList *list = folder_get_list();
1291
1292         folder = list ? list->data:NULL;
1293
1294         cm_return_val_if_fail(folder != NULL, NULL);
1295
1296         d[0] = (gpointer)path;
1297         d[1] = NULL;
1298         while (d[1] == NULL && list) {
1299                 folder = FOLDER(list->data);
1300                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1301                         folder_item_find_func, d);
1302                 list = list->next;
1303         }
1304         return d[1];
1305 }
1306
1307 static gboolean folder_item_find_func_real_path(GNode *node, gpointer data)
1308 {
1309         FolderItem *item = node->data;
1310         gpointer *d = data;
1311         const gchar *path = d[0];
1312         gchar *tmp = folder_item_get_path(item);
1313         if (path_cmp(path, tmp) != 0) {
1314                 g_free(tmp);
1315                 return FALSE;
1316         }
1317         g_free(tmp);
1318         d[1] = item;
1319
1320         return TRUE;
1321 }
1322
1323 FolderItem *folder_find_item_from_real_path(const gchar *path)
1324 {
1325         Folder *folder;
1326         gpointer d[2];
1327         GList *list = folder_get_list();
1328
1329         folder = list ? list->data:NULL;
1330
1331         cm_return_val_if_fail(folder != NULL, NULL);
1332
1333         d[0] = (gpointer)path;
1334         d[1] = NULL;
1335         while (d[1] == NULL && list) {
1336                 folder = FOLDER(list->data);
1337                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1338                         folder_item_find_func_real_path, d);
1339                 list = list->next;
1340         }
1341         return d[1];
1342 }
1343
1344 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1345 {
1346         GNode *node;
1347         FolderItem *child;
1348
1349         for (node = item->node->children; node != NULL; node = node->next) {
1350                 child = FOLDER_ITEM(node->data);
1351                 if (strcmp2(child->name, name) == 0) {
1352                         return child;
1353                 }
1354         }
1355
1356         return NULL;
1357 }
1358
1359 FolderClass *folder_get_class_from_string(const gchar *str)
1360 {
1361         GSList *classlist;
1362
1363         classlist = folder_get_class_list();
1364         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1365                 FolderClass *class = (FolderClass *) classlist->data;
1366                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1367                         return class;
1368         }
1369
1370         return NULL;
1371 }
1372
1373 gchar *folder_get_identifier(Folder *folder)
1374 {
1375         gchar *type_str;
1376
1377         cm_return_val_if_fail(folder != NULL, NULL);
1378
1379         type_str = folder->klass->idstr;
1380         return g_strconcat("#", type_str, "/", folder->name, NULL);
1381 }
1382
1383 gchar *folder_item_get_identifier(FolderItem *item)
1384 {
1385         gchar *id = NULL;
1386         gchar *folder_id = NULL;
1387
1388         cm_return_val_if_fail(item != NULL, NULL);
1389
1390         if (item->path == NULL)
1391                 return NULL;
1392
1393         folder_id = folder_get_identifier(item->folder);
1394         id = g_strconcat(folder_id, "/", item->path, NULL);
1395         g_free(folder_id);
1396
1397         return id;
1398 }
1399
1400 Folder *folder_find_from_identifier(const gchar *identifier)
1401 {
1402         gchar *str;
1403         gchar *p;
1404         gchar *name;
1405         FolderClass *class;
1406
1407         cm_return_val_if_fail(identifier != NULL, NULL);
1408
1409         if (*identifier != '#')
1410                 return NULL;
1411
1412         Xstrdup_a(str, identifier, return NULL);
1413
1414         p = strchr(str, '/');
1415         if (!p)
1416                 return NULL;
1417         *p = '\0';
1418         p++;
1419         class = folder_get_class_from_string(&str[1]);
1420         if (class == NULL)
1421                 return NULL;
1422
1423         name = p;
1424         p = strchr(p, '/');
1425         if (p)
1426                 return NULL;
1427
1428         return folder_find_from_name(name, class);
1429 }
1430
1431 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1432 {
1433         Folder *folder;
1434         gpointer d[2];
1435         gchar *str;
1436         gchar *p;
1437         gchar *name;
1438         gchar *path;
1439         FolderClass *class;
1440
1441         cm_return_val_if_fail(identifier != NULL, NULL);
1442
1443         if (*identifier != '#')
1444                 return folder_find_item_from_path(identifier);
1445
1446         Xstrdup_a(str, identifier, return NULL);
1447
1448         p = strchr(str, '/');
1449         if (!p)
1450                 return folder_find_item_from_path(identifier);
1451         *p = '\0';
1452         p++;
1453         class = folder_get_class_from_string(&str[1]);
1454         if (class == NULL)
1455                 return folder_find_item_from_path(identifier);
1456
1457         name = p;
1458         p = strchr(p, '/');
1459         if (!p)
1460                 return folder_find_item_from_path(identifier);
1461         *p = '\0';
1462         p++;
1463
1464         folder = folder_find_from_name(name, class);
1465         if (!folder)
1466                 return folder_find_item_from_path(identifier);
1467
1468         path = p;
1469
1470         d[0] = (gpointer)path;
1471         d[1] = NULL;
1472         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1473                         folder_item_find_func, d);
1474         return d[1];
1475 }
1476
1477 /** Returns the FolderItem from a given identifier
1478  *
1479  * The FolderItem is created if it doesn't already exist.
1480  * If creation failed, the function returns NULL.
1481  *
1482  * Identifiers are of the form #type/Mailbox/FolderA/FolderB/FolderC
1483  */
1484 FolderItem *folder_get_item_from_identifier(const gchar *identifier)
1485 {
1486         FolderItem *item, *last_parent;
1487         Folder *folder;
1488         gchar *p1, *p2, *str;
1489         size_t len;
1490         FolderClass *class;
1491         gboolean created_something = FALSE;
1492
1493         item = folder_find_item_from_identifier(identifier);
1494         if(item)
1495                 return item;
1496
1497         /* trivial sanity check: need at least # and two slashes */
1498         len = strlen(identifier);
1499         if(len < 3)
1500                 return NULL;
1501
1502         /* make sure identifier ends with a slash */
1503         if(identifier[len-1] == G_DIR_SEPARATOR) {
1504                 Xstrdup_a(str, identifier, return NULL);
1505         }
1506         else {
1507                 Xstrndup_a(str, identifier, len+1, return NULL);
1508                 str[len] = G_DIR_SEPARATOR;
1509         }
1510
1511         /* find folder class */
1512         p1 = strchr(str, G_DIR_SEPARATOR);
1513         if(!p1)
1514                 return NULL;
1515         *p1 = '\0';
1516         class = folder_get_class_from_string(&str[1]);
1517         if(!class)
1518                 return NULL;
1519         *p1 = G_DIR_SEPARATOR;
1520         ++p1;
1521
1522         /* find folder from class and name */
1523         p2 = strchr(p1, G_DIR_SEPARATOR);
1524         if(!p2)
1525                 return NULL;
1526         *p2 = '\0';
1527         folder = folder_find_from_name(p1, class);
1528         if(!folder)
1529                 return NULL;
1530         *p2 = G_DIR_SEPARATOR;
1531         ++p2;
1532         p1 = p2;
1533
1534         /* Now, move forward and make sure all sections in the path exist */
1535         last_parent = folder->node->data;
1536         while((p1 = strchr(p1, G_DIR_SEPARATOR)) != NULL) {
1537                 *p1 = '\0';
1538                 item = folder_find_item_from_identifier(str);
1539                 if(!item) {
1540                         item = folder_create_folder(last_parent, p2);
1541                         if(!item)
1542                                 return NULL;
1543                         debug_print("Created folder '%s'\n", str);
1544                         created_something = TRUE;
1545                         if(prefs_common.inherit_folder_props && (last_parent != item->folder->node->data)) {
1546                                 folder_item_prefs_copy_prefs(last_parent, item);
1547                         }
1548                 }
1549                 last_parent = item;
1550                 *p1 = G_DIR_SEPARATOR;
1551                 ++p1;
1552                 p2 = p1;
1553         }
1554
1555         if(created_something)
1556                 folder_write_list();
1557
1558         return item;
1559 }
1560
1561
1562 /**
1563  * Get a displayable name for a FolderItem
1564  *
1565  * \param item FolderItem for that a name should be created
1566  * \return Displayable name for item, returned string has to
1567  *         be freed
1568  */
1569 gchar *folder_item_get_name(FolderItem *item)
1570 {
1571         gchar *name = NULL;
1572
1573         cm_return_val_if_fail(item != NULL, g_strdup(""));
1574
1575         switch (item->stype) {
1576         case F_INBOX:
1577                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1578                                 item->name);
1579                 break;
1580         case F_OUTBOX:
1581                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1582                                 item->name);
1583                 break;
1584         case F_QUEUE:
1585                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1586                                 item->name);
1587                 break;
1588         case F_TRASH:
1589                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1590                                 item->name);
1591                 break;
1592         case F_DRAFT:
1593                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1594                                 item->name);
1595                 break;
1596         default:
1597                 break;
1598         }
1599
1600         if (name == NULL) {
1601                 /*
1602                  * should probably be done by a virtual function,
1603                  * the folder knows the ui string and how to abbrev
1604                 */
1605                 if (folder_item_parent(item) == NULL) {
1606                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1607                 } else {
1608                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1609                             item->path && !strcmp2(item->name, item->path))
1610                                 name = get_abbrev_newsgroup_name
1611                                         (item->path,
1612                                          prefs_common.ng_abbrev_len);
1613                         else
1614                                 name = g_strdup(item->name);
1615                 }
1616         }
1617
1618         if (name == NULL)
1619                 name = g_strdup("");
1620
1621         return name;
1622 }
1623
1624 gboolean folder_have_mailbox (void)
1625 {
1626         GList *cur;
1627         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1628                 Folder *folder = FOLDER(cur->data);
1629                 if (folder->inbox && folder->outbox)
1630                         return TRUE;
1631         }
1632         return FALSE;
1633 }
1634
1635 FolderItem *folder_get_default_inbox(void)
1636 {
1637         GList *flist;
1638
1639         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1640                 Folder * folder = FOLDER(flist->data);
1641
1642                 if (folder == NULL)
1643                         continue;
1644                 if (folder->inbox == NULL)
1645                         continue;
1646                 if (folder->klass->type == F_UNKNOWN)
1647                         continue;
1648
1649                 return folder->inbox;
1650         }
1651
1652         return NULL;
1653 }
1654
1655 FolderItem *folder_get_default_inbox_for_class(FolderType type)
1656 {
1657         GList *flist;
1658
1659         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1660                 Folder * folder = FOLDER(flist->data);
1661
1662                 if (folder == NULL)
1663                         continue;
1664                 if (folder->inbox == NULL)
1665                         continue;
1666                 if (folder->klass->type != type)
1667                         continue;
1668
1669                 return folder->inbox;
1670         }
1671
1672         return NULL;
1673 }
1674
1675 FolderItem *folder_get_default_outbox(void)
1676 {
1677         GList *flist;
1678
1679         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1680                 Folder * folder = FOLDER(flist->data);
1681
1682                 if (folder == NULL)
1683                         continue;
1684                 if (folder->outbox == NULL)
1685                         continue;
1686                 if (folder->klass->type == F_UNKNOWN)
1687                         continue;
1688
1689                 return folder->outbox;
1690         }
1691
1692         return NULL;
1693 }
1694
1695 FolderItem *folder_get_default_outbox_for_class(FolderType type)
1696 {
1697         GList *flist;
1698
1699         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1700                 Folder * folder = FOLDER(flist->data);
1701
1702                 if (folder == NULL)
1703                         continue;
1704                 if (folder->outbox == NULL)
1705                         continue;
1706                 if (folder->klass->type != type)
1707                         continue;
1708
1709                 return folder->outbox;
1710         }
1711
1712         return NULL;
1713 }
1714
1715 FolderItem *folder_get_default_draft(void)
1716 {
1717         GList *flist;
1718
1719         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1720                 Folder * folder = FOLDER(flist->data);
1721
1722                 if (folder == NULL)
1723                         continue;
1724                 if (folder->draft == NULL)
1725                         continue;
1726                 if (folder->klass->type == F_UNKNOWN)
1727                         continue;
1728
1729                 return folder->draft;
1730         }
1731
1732         return NULL;
1733 }
1734
1735 FolderItem *folder_get_default_draft_for_class(FolderType type)
1736 {
1737         GList *flist;
1738
1739         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1740                 Folder * folder = FOLDER(flist->data);
1741
1742                 if (folder == NULL)
1743                         continue;
1744                 if (folder->draft == NULL)
1745                         continue;
1746                 if (folder->klass->type != type)
1747                         continue;
1748
1749                 return folder->draft;
1750         }
1751
1752         return NULL;
1753 }
1754
1755 FolderItem *folder_get_default_queue(void)
1756 {
1757         GList *flist;
1758
1759         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1760                 Folder * folder = FOLDER(flist->data);
1761
1762                 if (folder == NULL)
1763                         continue;
1764                 if (folder->queue == NULL)
1765                         continue;
1766                 if (folder->klass->type == F_UNKNOWN)
1767                         continue;
1768
1769                 return folder->queue;
1770         }
1771
1772         return NULL;
1773 }
1774
1775 FolderItem *folder_get_default_queue_for_class(FolderType type)
1776 {
1777         GList *flist;
1778
1779         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1780                 Folder * folder = FOLDER(flist->data);
1781
1782                 if (folder == NULL)
1783                         continue;
1784                 if (folder->queue == NULL)
1785                         continue;
1786                 if (folder->klass->type != type)
1787                         continue;
1788
1789                 return folder->queue;
1790         }
1791
1792         return NULL;
1793 }
1794
1795 FolderItem *folder_get_default_trash(void)
1796 {
1797         GList *flist;
1798
1799         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1800                 Folder * folder = FOLDER(flist->data);
1801
1802                 if (folder == NULL)
1803                         continue;
1804                 if (folder->trash == NULL)
1805                         continue;
1806                 if (folder->klass->type == F_UNKNOWN)
1807                         continue;
1808
1809                 return folder->trash;
1810         }
1811
1812         return NULL;
1813 }
1814
1815 FolderItem *folder_get_default_trash_for_class(FolderType type)
1816 {
1817         GList *flist;
1818
1819         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1820                 Folder * folder = FOLDER(flist->data);
1821
1822                 if (folder == NULL)
1823                         continue;
1824                 if (folder->trash == NULL)
1825                         continue;
1826                 if (folder->klass->type != type)
1827                         continue;
1828
1829                 return folder->trash;
1830         }
1831
1832         return NULL;
1833 }
1834
1835 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1836 {                                                               \
1837         if (!folder->member) {                                  \
1838                 item = folder_item_new(folder, dir, dir);       \
1839                 item->stype = type;                             \
1840                 folder_item_append(rootitem, item);             \
1841                 folder->member = item;                          \
1842         }                                                       \
1843 }
1844
1845 void folder_set_missing_folders(void)
1846 {
1847         Folder *folder;
1848         FolderItem *rootitem;
1849         FolderItem *item;
1850         GList *list;
1851
1852         for (list = folder_list; list != NULL; list = list->next) {
1853                 folder = list->data;
1854                 if (FOLDER_TYPE(folder) != F_MH) continue;
1855                 rootitem = FOLDER_ITEM(folder->node->data);
1856                 cm_return_if_fail(rootitem != NULL);
1857
1858                 if (folder->inbox && folder->outbox && folder->draft &&
1859                     folder->queue && folder->trash)
1860                         continue;
1861
1862                 if (folder->klass->create_tree(folder) < 0) {
1863                         g_warning("%s: can't create the folder tree.\n",
1864                                   LOCAL_FOLDER(folder)->rootpath);
1865                         continue;
1866                 }
1867
1868                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1869                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1870                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1871                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1872                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1873         }
1874 }
1875
1876 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1877 {
1878         FolderItem *item = node->data;
1879         PrefsAccount *account = data;
1880
1881         if (item->account == account)
1882                 item->account = NULL;
1883
1884         return FALSE;
1885 }
1886
1887 void folder_unref_account_all(PrefsAccount *account)
1888 {
1889         Folder *folder;
1890         GList *list;
1891
1892         if (!account) return;
1893
1894         for (list = folder_list; list != NULL; list = list->next) {
1895                 folder = list->data;
1896                 if (folder->account == account)
1897                         folder->account = NULL;
1898                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1899                                 folder_unref_account_func, account);
1900         }
1901 }
1902
1903 #undef CREATE_FOLDER_IF_NOT_EXIST
1904
1905 gchar *folder_item_get_path(FolderItem *item)
1906 {
1907         Folder *folder;
1908
1909         cm_return_val_if_fail(item != NULL, NULL);
1910         folder = item->folder;
1911         cm_return_val_if_fail(folder != NULL, NULL);
1912
1913         return folder->klass->item_get_path(folder, item);
1914 }
1915
1916 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1917 {
1918         MsgInfo *msginfo_a = (MsgInfo *) a;
1919         MsgInfo *msginfo_b = (MsgInfo *) b;
1920
1921         return (msginfo_a->msgnum - msginfo_b->msgnum);
1922 }
1923
1924 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1925 {
1926         guint gint_a = GPOINTER_TO_INT(a);
1927         guint gint_b = GPOINTER_TO_INT(b);
1928
1929         return (gint_a - gint_b);
1930 }
1931
1932 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1933 {
1934         GHashTable *relation;
1935         gint ret = 0;
1936         GSList *cur;
1937
1938         if(msglist == NULL)
1939                 return 0;
1940         if(item->folder->klass->get_flags == NULL)
1941                 return 0;
1942         if (item->no_select)
1943                 return 0;
1944
1945         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
1946         if ((ret = item->folder->klass->get_flags(
1947             item->folder, item, msglist, relation)) == 0) {
1948                 gpointer data, old_key;
1949                 MsgInfo *msginfo;
1950                 MsgPermFlags permflags = 0;
1951
1952                 folder_item_update_freeze();
1953                 folder_item_set_batch(item, TRUE);
1954                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1955                         msginfo = (MsgInfo *) cur->data;
1956
1957                         if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data)) {
1958                                 permflags = GPOINTER_TO_INT(data);
1959
1960                                 if (msginfo->flags.perm_flags != permflags) {
1961                                         procmsg_msginfo_change_flags(msginfo,
1962                                                 permflags & ~msginfo->flags.perm_flags, 0,
1963                                                 ~permflags & msginfo->flags.perm_flags, 0);
1964                                 }
1965                         }
1966                 }
1967                 folder_item_set_batch(item, FALSE);
1968                 folder_item_update_thaw();
1969         }
1970         g_hash_table_destroy(relation);
1971
1972         return ret;
1973 }
1974
1975 static gint folder_item_syncronize_flags(FolderItem *item)
1976 {
1977         MsgInfoList *msglist = NULL;
1978         GSList *cur;
1979         gint ret = 0;
1980
1981         cm_return_val_if_fail(item != NULL, -1);
1982         cm_return_val_if_fail(item->folder != NULL, -1);
1983         cm_return_val_if_fail(item->folder->klass != NULL, -1);
1984         if (item->no_select)
1985                 return -1;
1986
1987         item->scanning = ITEM_SCANNING_WITH_FLAGS;
1988
1989         if (item->cache == NULL)
1990                 folder_item_read_cache(item);
1991
1992         msglist = msgcache_get_msg_list(item->cache);
1993
1994         ret = syncronize_flags(item, msglist);
1995
1996         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1997                 procmsg_msginfo_free((MsgInfo *) cur->data);
1998
1999         g_slist_free(msglist);
2000
2001         item->scanning = ITEM_NOT_SCANNING;
2002
2003         return ret;
2004 }
2005
2006 static void folder_item_process_open (FolderItem *item,
2007                                  void (*before_proc_func)(gpointer data),
2008                                  void (*after_proc_func)(gpointer data),
2009                                  gpointer data)
2010 {
2011         gchar *buf;
2012         if (item == NULL)
2013                 return;
2014         if((item->folder->klass->scan_required != NULL) &&
2015            (item->folder->klass->scan_required(item->folder, item))) {
2016                 folder_item_scan_full(item, TRUE);
2017         } else {
2018                 folder_item_syncronize_flags(item);
2019         }
2020
2021         /* Processing */
2022         if (item->prefs->enable_processing_when_opening) {
2023                 buf = g_strdup_printf(_("Processing (%s)...\n"),
2024                               item->path ? item->path : item->name);
2025                 g_free(buf);
2026
2027                 if (before_proc_func)
2028                         before_proc_func(data);
2029
2030                 folder_item_apply_processing(item);
2031
2032                 if (after_proc_func)
2033                         after_proc_func(data);
2034         }
2035         item->processing_pending = FALSE;
2036         return;
2037 }
2038
2039 gint folder_item_open(FolderItem *item)
2040 {
2041         START_TIMING("");
2042         if (item->no_select)
2043                 return -1;
2044
2045         if (item->scanning != ITEM_NOT_SCANNING) {
2046                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
2047                 return -2;
2048         }
2049
2050         item->processing_pending = TRUE;
2051         folder_item_process_open (item, NULL, NULL, NULL);
2052
2053         item->opened = TRUE;
2054         END_TIMING();
2055         return 0;
2056 }
2057
2058 gint folder_item_close(FolderItem *item)
2059 {
2060         GSList *mlist, *cur;
2061         Folder *folder;
2062
2063         cm_return_val_if_fail(item != NULL, -1);
2064
2065         if (item->no_select)
2066                 return -1;
2067
2068         if (item->new_msgs) {
2069                 folder_item_update_freeze();
2070                 mlist = folder_item_get_msg_list(item);
2071                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
2072                         MsgInfo * msginfo;
2073
2074                         msginfo = (MsgInfo *) cur->data;
2075                         if (MSG_IS_NEW(msginfo->flags))
2076                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
2077                         procmsg_msginfo_free(msginfo);
2078                 }
2079                 g_slist_free(mlist);
2080                 folder_item_update_thaw();
2081         }
2082
2083         folder_item_write_cache(item);
2084
2085         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
2086
2087         item->opened = FALSE;
2088         folder = item->folder;
2089
2090         if (folder->klass->close == NULL)
2091                 return 0;
2092
2093         return folder->klass->close(folder, item);
2094 }
2095
2096 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
2097 {
2098         MsgInfoList *msglist = NULL;
2099         Folder *folder = item->folder;
2100         if (item->no_select)
2101                 return NULL;
2102
2103         if (folder->klass->get_msginfos != NULL)
2104                 msglist = folder->klass->get_msginfos(folder, item, numlist);
2105         else {
2106                 MsgNumberList *elem;
2107
2108                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
2109                         MsgInfo *msginfo;
2110                         guint num;
2111
2112                         num = GPOINTER_TO_INT(elem->data);
2113                         msginfo = folder->klass->get_msginfo(folder, item, num);
2114                         if (msginfo != NULL)
2115                                 msglist = g_slist_prepend(msglist, msginfo);
2116                 }
2117         }
2118
2119         return msglist;
2120 }
2121
2122 static MsgInfo *get_msginfo(FolderItem *item, guint num)
2123 {
2124         MsgNumberList numlist;
2125         MsgInfoList *msglist;
2126         MsgInfo *msginfo = NULL;
2127
2128         numlist.data = GINT_TO_POINTER(num);
2129         numlist.next = NULL;
2130         msglist = get_msginfos(item, &numlist);
2131         if (msglist != NULL)
2132                 msginfo = procmsg_msginfo_new_ref(msglist->data);
2133         procmsg_msg_list_free(msglist);
2134
2135         return msginfo;
2136 }
2137
2138 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
2139 {
2140         Folder *folder;
2141         GSList *folder_list = NULL, *cache_list = NULL;
2142         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
2143         GSList *exists_list = NULL, *elem;
2144         GSList *newmsg_list = NULL;
2145         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
2146         guint markedcnt = 0, unreadmarkedcnt = 0;
2147         guint repliedcnt = 0, forwardedcnt = 0;
2148         guint lockedcnt = 0, ignoredcnt = 0, watchedcnt = 0;
2149
2150         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
2151         gboolean update_flags = 0, old_uids_valid = FALSE;
2152         GHashTable *subject_table = NULL;
2153
2154         cm_return_val_if_fail(item != NULL, -1);
2155         if (item->path == NULL) return -1;
2156
2157         folder = item->folder;
2158
2159         cm_return_val_if_fail(folder != NULL, -1);
2160         cm_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
2161
2162         item->scanning = ITEM_SCANNING_WITH_FLAGS;
2163
2164         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
2165
2166         /* Get list of messages for folder and cache */
2167         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
2168                 debug_print("Error fetching list of message numbers\n");
2169                 item->scanning = ITEM_NOT_SCANNING;
2170                 return(-1);
2171         }
2172
2173         if(prefs_common.thread_by_subject) {
2174                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
2175         }
2176
2177         if (old_uids_valid) {
2178                 if (!item->cache)
2179                         folder_item_read_cache(item);
2180                 cache_list = msgcache_get_msg_list(item->cache);
2181         } else {
2182                 if (item->cache)
2183                         msgcache_destroy(item->cache);
2184                 item->cache = msgcache_new();
2185                 item->cache_dirty = TRUE;
2186                 item->mark_dirty = TRUE;
2187                 item->tags_dirty = TRUE;
2188                 cache_list = NULL;
2189         }
2190
2191         /* Sort both lists */
2192         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
2193         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
2194
2195         cache_list_cur = cache_list;
2196         folder_list_cur = folder_list;
2197
2198         if (cache_list_cur != NULL) {
2199                 GSList *cache_list_last;
2200
2201                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2202                 cache_list_last = g_slist_last(cache_list);
2203                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
2204         } else {
2205                 cache_cur_num = G_MAXINT;
2206                 cache_max_num = 0;
2207         }
2208
2209         if (folder_list_cur != NULL) {
2210                 GSList *folder_list_last;
2211
2212                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2213                 folder_list_last = g_slist_last(folder_list);
2214                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
2215         } else {
2216                 folder_cur_num = G_MAXINT;
2217                 folder_max_num = 0;
2218         }
2219
2220         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
2221                 /*
2222                  *  Message only exists in the folder
2223                  *  Remember message for fetching
2224                  */
2225                 if (folder_cur_num < cache_cur_num) {
2226                         gboolean add = FALSE;
2227
2228                         switch(FOLDER_TYPE(folder)) {
2229                                 case F_NEWS:
2230                                         if (folder_cur_num < cache_max_num)
2231                                                 break;
2232
2233                                         if (folder->account->max_articles == 0) {
2234                                                 add = TRUE;
2235                                         }
2236
2237                                         if (folder_max_num <= folder->account->max_articles) {
2238                                                 add = TRUE;
2239                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
2240                                                 add = TRUE;
2241                                         }
2242                                         break;
2243                                 default:
2244                                         add = TRUE;
2245                                         break;
2246                         }
2247
2248                         if (add) {
2249                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
2250                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
2251                         }
2252
2253                         /* Move to next folder number */
2254                         if (folder_list_cur)
2255                                 folder_list_cur = folder_list_cur->next;
2256
2257                         if (folder_list_cur != NULL)
2258                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2259                         else
2260                                 folder_cur_num = G_MAXINT;
2261
2262                         continue;
2263                 }
2264
2265                 /*
2266                  *  Message only exists in the cache
2267                  *  Remove the message from the cache
2268                  */
2269                 if (cache_cur_num < folder_cur_num) {
2270                         msgcache_remove_msg(item->cache, cache_cur_num);
2271                         debug_print("Removed message %d from cache.\n", cache_cur_num);
2272
2273                         /* Move to next cache number */
2274                         if (cache_list_cur)
2275                                 cache_list_cur = cache_list_cur->next;
2276
2277                         if (cache_list_cur != NULL)
2278                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2279                         else
2280                                 cache_cur_num = G_MAXINT;
2281
2282                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2283
2284                         continue;
2285                 }
2286
2287                 /*
2288                  *  Message number exists in folder and cache!
2289                  *  Check if the message has been modified
2290                  */
2291                 if (cache_cur_num == folder_cur_num) {
2292                         MsgInfo *msginfo;
2293
2294                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
2295                         if (msginfo && folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
2296                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2297                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
2298                                 procmsg_msginfo_free(msginfo);
2299
2300                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
2301                         } else if (msginfo) {
2302                                 exists_list = g_slist_prepend(exists_list, msginfo);
2303
2304                                 if(prefs_common.thread_by_subject &&
2305                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2306                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2307                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2308                                 }
2309                         }
2310
2311                         /* Move to next folder and cache number */
2312                         if (cache_list_cur)
2313                                 cache_list_cur = cache_list_cur->next;
2314
2315                         if (folder_list_cur)
2316                                 folder_list_cur = folder_list_cur->next;
2317
2318                         if (cache_list_cur != NULL)
2319                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2320                         else
2321                                 cache_cur_num = G_MAXINT;
2322
2323                         if (folder_list_cur != NULL)
2324                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2325                         else
2326                                 folder_cur_num = G_MAXINT;
2327
2328                         continue;
2329                 }
2330         }
2331
2332         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
2333                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
2334
2335         g_slist_free(cache_list);
2336         g_slist_free(folder_list);
2337
2338         if (new_list != NULL) {
2339                 GSList *tmp_list = NULL;
2340                 newmsg_list = get_msginfos(item, new_list);
2341                 g_slist_free(new_list);
2342                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
2343                 syncronize_flags(item, tmp_list);
2344                 g_slist_free(tmp_list);
2345         } else {
2346                 syncronize_flags(item, exists_list);
2347         }
2348
2349         folder_item_update_freeze();
2350
2351         item->scanning = ITEM_SCANNING;
2352
2353         if (newmsg_list != NULL) {
2354                 GSList *elem, *to_filter = NULL;
2355                 gboolean do_filter = (filtering == TRUE) &&
2356                                         (item->stype == F_INBOX) &&
2357                                         (item->folder->account != NULL) &&
2358                                         (item->folder->account->filter_on_recv);
2359
2360                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
2361                         MsgInfo *msginfo = (MsgInfo *) elem->data;
2362
2363                         msgcache_add_msg(item->cache, msginfo);
2364                         if (!do_filter) {
2365                                 exists_list = g_slist_prepend(exists_list, msginfo);
2366
2367                                 if(prefs_common.thread_by_subject &&
2368                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2369                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2370                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2371                                 }
2372                         }
2373                 }
2374
2375                 if (do_filter) {
2376                         GSList *unfiltered;
2377
2378                         folder_item_set_batch(item, TRUE);
2379                         procmsg_msglist_filter(newmsg_list, item->folder->account,
2380                                         &to_filter, &unfiltered,
2381                                         TRUE);
2382                         folder_item_set_batch(item, FALSE);
2383
2384                         filtering_move_and_copy_msgs(newmsg_list);
2385                         if (to_filter != NULL) {
2386                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
2387                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2388                                         procmsg_msginfo_free(msginfo);
2389                                 }
2390                                 g_slist_free(to_filter);
2391                         }
2392                         if (unfiltered != NULL) {
2393                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
2394                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2395                                         exists_list = g_slist_prepend(exists_list, msginfo);
2396
2397                                         if(prefs_common.thread_by_subject &&
2398                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2399                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
2400                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
2401                                         }
2402                                 }
2403                                 g_slist_free(unfiltered);
2404                         }
2405                         if (prefs_common.real_time_sync)
2406                                 folder_item_synchronise(item);
2407                 } else {
2408                         if (prefs_common.real_time_sync)
2409                                 folder_item_synchronise(item);
2410                 }
2411
2412                 g_slist_free(newmsg_list);
2413
2414                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2415         }
2416
2417         folder_item_set_batch(item, TRUE);
2418         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
2419                 MsgInfo *msginfo, *parent_msginfo;
2420
2421                 msginfo = elem->data;
2422                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2423                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2424                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2425                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2426                 }
2427                 if (!MSG_IS_WATCH_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_WATCH_THREAD)) {
2428                         procmsg_msginfo_set_flags(msginfo, MSG_WATCH_THREAD, 0);
2429                 }
2430                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2431                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2432                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2433                 {
2434                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2435                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2436                                                 MSG_NEW | MSG_UNREAD, 0);
2437                         }
2438                 }
2439                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2440                      folder_has_parent_of_type(item, F_QUEUE)  ||
2441                      folder_has_parent_of_type(item, F_DRAFT)  ||
2442                      folder_has_parent_of_type(item, F_TRASH)) &&
2443                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2444                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2445                 if (MSG_IS_NEW(msginfo->flags))
2446                         newcnt++;
2447                 if (MSG_IS_UNREAD(msginfo->flags))
2448                         unreadcnt++;
2449                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2450                         unreadmarkedcnt++;
2451                 if (MSG_IS_MARKED(msginfo->flags))
2452                         markedcnt++;
2453                 if (MSG_IS_REPLIED(msginfo->flags))
2454                         repliedcnt++;
2455                 if (MSG_IS_FORWARDED(msginfo->flags))
2456                         forwardedcnt++;
2457                 if (MSG_IS_LOCKED(msginfo->flags))
2458                         lockedcnt++;
2459                 if (MSG_IS_IGNORE_THREAD(msginfo->flags))
2460                         ignoredcnt++;
2461                 if (MSG_IS_WATCH_THREAD(msginfo->flags))
2462                         watchedcnt++;
2463
2464                 totalcnt++;
2465
2466                 procmsg_msginfo_free(msginfo);
2467         }
2468         folder_item_set_batch(item, FALSE);
2469         g_slist_free(exists_list);
2470
2471         if(prefs_common.thread_by_subject) {
2472                 g_hash_table_destroy(subject_table);
2473         }
2474
2475         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2476         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2477         ||  item->unreadmarked_msgs != unreadmarkedcnt
2478         ||  item->replied_msgs != repliedcnt || item->forwarded_msgs != forwardedcnt
2479         ||  item->locked_msgs != lockedcnt || item->ignored_msgs != ignoredcnt
2480         ||  item->watched_msgs != watchedcnt) {
2481                 update_flags |= F_ITEM_UPDATE_CONTENT;
2482         }
2483
2484         item->new_msgs = newcnt;
2485         item->unread_msgs = unreadcnt;
2486         item->total_msgs = totalcnt;
2487         item->unreadmarked_msgs = unreadmarkedcnt;
2488         item->marked_msgs = markedcnt;
2489         item->replied_msgs = repliedcnt;
2490         item->forwarded_msgs = forwardedcnt;
2491         item->locked_msgs = lockedcnt;
2492         item->ignored_msgs = ignoredcnt;
2493         item->watched_msgs = watchedcnt;
2494
2495         update_flags |= F_ITEM_UPDATE_MSGCNT;
2496
2497         folder_item_update(item, update_flags);
2498         folder_item_update_thaw();
2499
2500         item->scanning = ITEM_NOT_SCANNING;
2501
2502         return 0;
2503 }
2504
2505 gint folder_item_scan(FolderItem *item)
2506 {
2507         return folder_item_scan_full(item, TRUE);
2508 }
2509
2510 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2511 {
2512         gint *memusage = (gint *)data;
2513
2514         if (item->cache == NULL)
2515                 return;
2516
2517         *memusage += msgcache_get_memory_usage(item->cache);
2518 }
2519
2520 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2521 {
2522         FolderItem *fa = (FolderItem *)a;
2523         FolderItem *fb = (FolderItem *)b;
2524
2525         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2526 }
2527
2528 static void folder_find_expired_caches(FolderItem *item, gpointer data)
2529 {
2530         GSList **folder_item_list = (GSList **)data;
2531         gint difftime, expiretime;
2532
2533         if (item->cache == NULL)
2534                 return;
2535
2536         if (item->opened > 0)
2537                 return;
2538
2539         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2540         expiretime = prefs_common.cache_min_keep_time * 60;
2541         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2542
2543         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2544                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2545         }
2546 }
2547
2548 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2549 {
2550         cm_return_val_if_fail(item != NULL, TRUE);
2551
2552         if (item->cache == NULL)
2553                 return TRUE;
2554
2555         if (item->opened > 0 && !force)
2556                 return FALSE;
2557
2558         folder_item_write_cache(item);
2559         msgcache_destroy(item->cache);
2560         item->cache = NULL;
2561         return TRUE;
2562 }
2563
2564 void folder_clean_cache_memory_force(void)
2565 {
2566         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2567         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2568
2569         prefs_common.cache_max_mem_usage = 0;
2570         prefs_common.cache_min_keep_time = 0;
2571
2572         folder_clean_cache_memory(NULL);
2573
2574         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2575         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2576 }
2577
2578 void folder_clean_cache_memory(FolderItem *protected_item)
2579 {
2580         gint memusage = 0;
2581
2582         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2583         debug_print("Total cache memory usage: %d\n", memusage);
2584
2585         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2586                 GSList *folder_item_list = NULL, *listitem;
2587
2588                 debug_print("Trying to free cache memory\n");
2589
2590                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2591                 listitem = folder_item_list;
2592                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2593                         FolderItem *item = (FolderItem *)(listitem->data);
2594                         gint cache_size = 0;
2595                         if (item == protected_item) {
2596                                 listitem = listitem->next;
2597                                 continue;
2598                         }
2599                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2600                         cache_size = msgcache_get_memory_usage(item->cache);
2601                         if (folder_item_free_cache(item, FALSE))
2602                                 memusage -= cache_size;
2603
2604                         listitem = listitem->next;
2605                 }
2606                 g_slist_free(folder_item_list);
2607         }
2608 }
2609
2610 static void folder_item_remove_cached_msg(FolderItem *item, MsgInfo *msginfo)
2611 {
2612         Folder *folder = item->folder;
2613
2614         cm_return_if_fail(folder != NULL);
2615
2616         if (folder->klass->remove_cached_msg == NULL)
2617                 return;
2618
2619         folder->klass->remove_cached_msg(folder, item, msginfo);
2620 }
2621
2622 static void folder_item_clean_local_files(FolderItem *item, gint days)
2623 {
2624         cm_return_if_fail(item != NULL);
2625         cm_return_if_fail(item->folder != NULL);
2626
2627         if (FOLDER_TYPE(item->folder) == F_IMAP ||
2628             FOLDER_TYPE(item->folder) == F_NEWS) {
2629                 GSList *msglist = folder_item_get_msg_list(item);
2630                 GSList *cur;
2631                 time_t t = time(NULL);
2632                 for (cur = msglist; cur; cur = cur->next) {
2633                         MsgInfo *msginfo = (MsgInfo *)cur->data;
2634                         gint age = (t - msginfo->date_t) / (60*60*24);
2635                         if (age > days)
2636                                 folder_item_remove_cached_msg(item, msginfo);
2637                 }
2638                 procmsg_msg_list_free(msglist);
2639         }
2640 }
2641
2642 static void folder_item_read_cache(FolderItem *item)
2643 {
2644         gchar *cache_file, *mark_file, *tags_file;
2645         START_TIMING("");
2646         cm_return_if_fail(item != NULL);
2647
2648         if (item->path != NULL) {
2649                 cache_file = folder_item_get_cache_file(item);
2650                 mark_file = folder_item_get_mark_file(item);
2651                 tags_file = folder_item_get_tags_file(item);
2652                 item->cache = msgcache_read_cache(item, cache_file);
2653                 item->cache_dirty = FALSE;
2654                 item->mark_dirty = FALSE;
2655                 item->tags_dirty = FALSE;
2656                 if (!item->cache) {
2657                         MsgInfoList *list, *cur;
2658                         guint newcnt = 0, unreadcnt = 0;
2659                         guint markedcnt = 0, unreadmarkedcnt = 0;
2660                         guint repliedcnt = 0, forwardedcnt = 0;
2661                         guint lockedcnt = 0, ignoredcnt = 0;
2662                         guint watchedcnt = 0;
2663                         MsgInfo *msginfo;
2664
2665                         item->cache = msgcache_new();
2666                         item->cache_dirty = TRUE;
2667                         item->mark_dirty = TRUE;
2668                         item->tags_dirty = TRUE;
2669                         folder_item_scan_full(item, TRUE);
2670
2671                         msgcache_read_mark(item->cache, mark_file);
2672
2673                         list = msgcache_get_msg_list(item->cache);
2674                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2675                                 msginfo = cur->data;
2676
2677                                 if (MSG_IS_NEW(msginfo->flags))
2678                                         newcnt++;
2679                                 if (MSG_IS_UNREAD(msginfo->flags))
2680                                         unreadcnt++;
2681                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2682                                         unreadmarkedcnt++;
2683                                 if (MSG_IS_MARKED(msginfo->flags))
2684                                         markedcnt++;
2685                                 if (MSG_IS_REPLIED(msginfo->flags))
2686                                         repliedcnt++;
2687                                 if (MSG_IS_FORWARDED(msginfo->flags))
2688                                         forwardedcnt++;
2689                                 if (MSG_IS_LOCKED(msginfo->flags))
2690                                         lockedcnt++;
2691                                 if (MSG_IS_IGNORE_THREAD(msginfo->flags))
2692                                         ignoredcnt++;
2693                                 if (MSG_IS_WATCH_THREAD(msginfo->flags))
2694                                         watchedcnt++;
2695                                 procmsg_msginfo_unset_flags(msginfo, MSG_FULLY_CACHED, 0);
2696                         }
2697                         item->new_msgs = newcnt;
2698                         item->unread_msgs = unreadcnt;
2699                         item->unreadmarked_msgs = unreadmarkedcnt;
2700                         item->marked_msgs = markedcnt;
2701                         item->replied_msgs = repliedcnt;
2702                         item->forwarded_msgs = forwardedcnt;
2703                         item->locked_msgs = lockedcnt;
2704                         item->ignored_msgs = ignoredcnt;
2705                         item->watched_msgs = watchedcnt;
2706                         procmsg_msg_list_free(list);
2707                 } else
2708                         msgcache_read_mark(item->cache, mark_file);
2709
2710                 msgcache_read_tags(item->cache, tags_file);
2711
2712                 g_free(cache_file);
2713                 g_free(mark_file);
2714                 g_free(tags_file);
2715         } else {
2716                 item->cache = msgcache_new();
2717                 item->cache_dirty = TRUE;
2718                 item->mark_dirty = TRUE;
2719                 item->tags_dirty = TRUE;
2720         }
2721
2722         END_TIMING();
2723         folder_clean_cache_memory(item);
2724 }
2725
2726 void folder_item_write_cache(FolderItem *item)
2727 {
2728         gchar *cache_file = NULL, *mark_file = NULL, *tags_file = NULL;
2729         FolderItemPrefs *prefs;
2730         gint filemode = 0;
2731         gchar *id;
2732         time_t last_mtime = (time_t)0;
2733         gboolean need_scan = FALSE;
2734
2735         if (!item || !item->path || !item->cache)
2736                 return;
2737
2738         last_mtime = item->mtime;
2739         if (item->folder->klass->set_mtime) {
2740                 if (item->folder->klass->scan_required)
2741                         need_scan = item->folder->klass->scan_required(item->folder, item);
2742                 else
2743                         need_scan = TRUE;
2744         }
2745
2746         id = folder_item_get_identifier(item);
2747         debug_print("Save cache for folder %s\n", id);
2748         g_free(id);
2749
2750         if (item->cache_dirty)
2751                 cache_file = folder_item_get_cache_file(item);
2752         if (item->cache_dirty || item->mark_dirty)
2753                 mark_file = folder_item_get_mark_file(item);
2754         if (item->cache_dirty || item->tags_dirty)
2755                 tags_file = folder_item_get_tags_file(item);
2756         if (msgcache_write(cache_file, mark_file, tags_file, item->cache) < 0) {
2757                 prefs = item->prefs;
2758                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2759                         /* for cache file */
2760                         filemode = prefs->folder_chmod;
2761                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2762                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2763                         chmod(cache_file, filemode);
2764                 }
2765         } else {
2766                 item->cache_dirty = FALSE;
2767                 item->mark_dirty = FALSE;
2768                 item->tags_dirty = FALSE;
2769         }
2770
2771         if (!need_scan && item->folder->klass->set_mtime) {
2772                 if (item->mtime == last_mtime) {
2773                         item->folder->klass->set_mtime(item->folder, item);
2774                 }
2775         }
2776
2777         g_free(cache_file);
2778         g_free(mark_file);
2779         g_free(tags_file);
2780 }
2781
2782 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2783 {
2784         MsgInfo *msginfo = NULL;
2785
2786         cm_return_val_if_fail(item != NULL, NULL);
2787         if (item->no_select)
2788                 return NULL;
2789         if (!item->cache)
2790                 folder_item_read_cache(item);
2791
2792         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2793                 return msginfo;
2794
2795         msginfo = get_msginfo(item, num);
2796         if (msginfo != NULL) {
2797                 msgcache_add_msg(item->cache, msginfo);
2798                 return msginfo;
2799         }
2800
2801         return NULL;
2802 }
2803
2804 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2805 {
2806         MsgInfo *msginfo;
2807
2808         cm_return_val_if_fail(item != NULL, NULL);
2809         cm_return_val_if_fail(msgid != NULL, NULL);
2810         if (item->no_select)
2811                 return NULL;
2812
2813         if (!item->cache)
2814                 folder_item_read_cache(item);
2815
2816         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2817                 return msginfo;
2818
2819         return NULL;
2820 }
2821
2822 GSList *folder_item_get_msg_list(FolderItem *item)
2823 {
2824         cm_return_val_if_fail(item != NULL, NULL);
2825         if (item->no_select)
2826                 return NULL;
2827
2828         if (item->cache == 0)
2829                 folder_item_read_cache(item);
2830
2831         cm_return_val_if_fail(item->cache != NULL, NULL);
2832
2833         return msgcache_get_msg_list(item->cache);
2834 }
2835
2836 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2837 {
2838         MsgInfo *msginfo = data;
2839         MimeInfo *mimeinfo = node->data;
2840
2841         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2842          && (!mimeinfo->subtype || (strcmp(mimeinfo->subtype, "pgp-signature") &&
2843              strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2844              strcmp(mimeinfo->subtype, "pkcs7-signature")))) {
2845                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2846         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2847                  mimeinfo->id == NULL &&
2848                  mimeinfo->type != MIMETYPE_TEXT &&
2849                  mimeinfo->type != MIMETYPE_MULTIPART) {
2850                 if (!mimeinfo->subtype
2851                 || (strcmp(mimeinfo->subtype, "pgp-signature") &&
2852                     strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2853                     strcmp(mimeinfo->subtype, "pkcs7-signature")))
2854                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2855         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2856                  mimeinfo->id == NULL &&
2857                 (strcmp(mimeinfo->subtype, "pgp-signature") &&
2858                  strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2859                  strcmp(mimeinfo->subtype, "pkcs7-signature")) &&
2860                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2861                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2862                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2863         }
2864
2865         /* don't descend below top level message for signed and encrypted info */
2866         if (mimeinfo->type == MIMETYPE_MESSAGE)
2867                 return;
2868
2869         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2870                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2871         }
2872
2873         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2874                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2875         } else {
2876                 /* searching inside encrypted parts doesn't really make sense */
2877                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2878         }
2879 }
2880
2881 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2882 {
2883         Folder *folder;
2884         gchar *msgfile;
2885         MsgInfo *msginfo;
2886
2887         cm_return_val_if_fail(item != NULL, NULL);
2888
2889         folder = item->folder;
2890
2891         cm_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2892         if (item->no_select)
2893                 return NULL;
2894
2895         msgfile = folder->klass->fetch_msg(folder, item, num);
2896
2897         if (msgfile != NULL) {
2898                 msginfo = folder_item_get_msginfo(item, num);
2899                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2900                         MimeInfo *mimeinfo;
2901
2902                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2903                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2904                                 mimeinfo = procmime_scan_file(msgfile);
2905                         else
2906                                 mimeinfo = procmime_scan_queue_file(msgfile);
2907                         /* check for attachments */
2908                         if (mimeinfo != NULL) {
2909                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2910                                 procmime_mimeinfo_free_all(mimeinfo);
2911
2912                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2913                         }
2914                 }
2915                 procmsg_msginfo_free(msginfo);
2916         }
2917
2918         return msgfile;
2919 }
2920
2921 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2922                                   gboolean body)
2923 {
2924         Folder *folder;
2925         gchar *msgfile;
2926         MsgInfo *msginfo;
2927
2928         cm_return_val_if_fail(item != NULL, NULL);
2929         if (item->no_select)
2930                 return NULL;
2931
2932         folder = item->folder;
2933
2934         if (folder->klass->fetch_msg_full == NULL)
2935                 return folder_item_fetch_msg(item, num);
2936
2937         if (item->prefs->offlinesync && prefs_common.real_time_sync)
2938                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2939                                                 TRUE, TRUE);
2940         else
2941                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2942                                                 headers, body);
2943
2944         if (msgfile != NULL) {
2945                 msginfo = folder_item_get_msginfo(item, num);
2946                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2947                         MimeInfo *mimeinfo;
2948
2949                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2950                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2951                                 mimeinfo = procmime_scan_file(msgfile);
2952                         else
2953                                 mimeinfo = procmime_scan_queue_file(msgfile);
2954                         /* check for attachments */
2955                         if (mimeinfo != NULL) {
2956                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2957                                 procmime_mimeinfo_free_all(mimeinfo);
2958
2959                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2960                         }
2961                 }
2962                 procmsg_msginfo_free(msginfo);
2963         }
2964
2965         return msgfile;
2966 }
2967
2968
2969 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2970 {
2971         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2972                                        {NULL,           NULL, FALSE}};
2973         FILE *fp;
2974         MsgInfo *msginfo;
2975         gint msgnum = 0;
2976         gchar buf[BUFFSIZE];
2977
2978         if ((fp = g_fopen(file, "rb")) == NULL)
2979                 return 0;
2980
2981         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2982             (folder_has_parent_of_type(dest, F_DRAFT)))
2983                 while (fgets(buf, sizeof(buf), fp) != NULL) {
2984                         /* new way */
2985                         if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2986                                 strlen("X-Claws-End-Special-Headers:"))) ||
2987                             (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2988                                 strlen("X-Sylpheed-End-Special-Headers:"))))
2989                                 break;
2990                         /* old way */
2991                         if (buf[0] == '\r' || buf[0] == '\n') break;
2992                         /* from other mailers */
2993                         if (!strncmp(buf, "Date: ", 6)
2994                         ||  !strncmp(buf, "To: ", 4)
2995                         ||  !strncmp(buf, "From: ", 6)
2996                         ||  !strncmp(buf, "Subject: ", 9)) {
2997                                 rewind(fp);
2998                                 break;
2999                         }
3000                 }
3001
3002         procheader_get_header_fields(fp, hentry);
3003         debug_print("looking for %s\n", hentry[0].body);
3004         if (hentry[0].body) {
3005                 extract_parenthesis(hentry[0].body, '<', '>');
3006                 remove_space(hentry[0].body);
3007                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
3008                         msgnum = msginfo->msgnum;
3009                         procmsg_msginfo_free(msginfo);
3010
3011                         debug_print("found message as uid %d\n", msgnum);
3012                 }
3013         }
3014
3015         g_free(hentry[0].body);
3016         hentry[0].body = NULL;
3017         fclose(fp);
3018
3019         return msgnum;
3020 }
3021
3022 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
3023 {
3024         MsgPermFlags perm_flags = 0;
3025         MsgTmpFlags tmp_flags = 0;
3026
3027         /* create new flags */
3028         if (source != NULL) {
3029                 /* copy original flags */
3030                 perm_flags = source->flags.perm_flags;
3031                 tmp_flags = source->flags.tmp_flags;
3032         } else {
3033                 perm_flags = dest->flags.perm_flags;
3034                 tmp_flags = dest->flags.tmp_flags;
3035         }
3036
3037         /* remove new, unread and deleted in special folders */
3038         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
3039             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
3040             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
3041             folder_has_parent_of_type(dest->folder, F_TRASH))
3042                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
3043
3044         /* set ignore flag of ignored parent exists */
3045         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
3046                 perm_flags |= MSG_IGNORE_THREAD;
3047
3048         /* unset FULLY_CACHED flags */
3049         perm_flags &= ~MSG_FULLY_CACHED;
3050
3051         if (procmsg_msg_has_flagged_parent(dest, MSG_WATCH_THREAD))
3052                 perm_flags |= MSG_WATCH_THREAD;
3053
3054         /* Unset tmp flags that should not be copied */
3055         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
3056
3057         /* unset flags that are set but should not */
3058         /* and set new flags */
3059         procmsg_msginfo_change_flags(dest,
3060                                   ~dest->flags.perm_flags & perm_flags,
3061                                   ~dest->flags.tmp_flags  & tmp_flags,
3062                                    dest->flags.perm_flags & ~perm_flags,
3063                                    dest->flags.tmp_flags  & ~tmp_flags);
3064
3065         if (source && source->tags) {
3066                 g_slist_free(dest->tags);
3067                 dest->tags = g_slist_copy(source->tags);
3068                 folder_item_commit_tags(dest->folder, dest, dest->tags, NULL);
3069         }
3070 }
3071
3072 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
3073 {
3074         /* update folder stats */
3075         if (MSG_IS_NEW(newmsginfo->flags))
3076                 item->new_msgs++;
3077         if (MSG_IS_UNREAD(newmsginfo->flags))
3078                 item->unread_msgs++;
3079         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
3080                 item->unreadmarked_msgs++;
3081         if (MSG_IS_MARKED(newmsginfo->flags))
3082                 item->marked_msgs++;
3083         if (MSG_IS_REPLIED(newmsginfo->flags))
3084                 item->replied_msgs++;
3085         if (MSG_IS_FORWARDED(newmsginfo->flags))
3086                 item->forwarded_msgs++;
3087         if (MSG_IS_LOCKED(newmsginfo->flags))
3088                 item->locked_msgs++;
3089         if (MSG_IS_IGNORE_THREAD(newmsginfo->flags))
3090                 item->ignored_msgs++;
3091         if (MSG_IS_WATCH_THREAD(newmsginfo->flags))
3092                 item->watched_msgs++;
3093         item->total_msgs++;
3094
3095         folder_item_update_freeze();
3096
3097         if (!item->cache)
3098                 folder_item_read_cache(item);
3099
3100         msgcache_add_msg(item->cache, newmsginfo);
3101         copy_msginfo_flags(flagsource, newmsginfo);
3102         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
3103         folder_item_update_thaw();
3104 }
3105
3106 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
3107 {
3108         MsgInfoUpdate msginfo_update;
3109
3110         if (!item->cache)
3111                 folder_item_read_cache(item);
3112
3113         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
3114                 msginfo->folder->new_msgs--;
3115         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
3116                 msginfo->folder->unread_msgs--;
3117         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
3118                 msginfo->folder->unreadmarked_msgs--;
3119         if (MSG_IS_MARKED(msginfo->flags))
3120                 item->marked_msgs--;
3121         if (MSG_IS_REPLIED(msginfo->flags))
3122                 item->replied_msgs--;
3123         if (MSG_IS_FORWARDED(msginfo->flags))
3124                 item->forwarded_msgs--;
3125         if (MSG_IS_LOCKED(msginfo->flags))
3126                 item->locked_msgs--;
3127         if (MSG_IS_IGNORE_THREAD(msginfo->flags))
3128                 item->ignored_msgs--;
3129         if (MSG_IS_WATCH_THREAD(msginfo->flags))
3130                 item->watched_msgs--;
3131
3132         msginfo->folder->total_msgs--;
3133
3134         msginfo_update.msginfo = msginfo;
3135         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
3136         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
3137
3138         msgcache_remove_msg(item->cache, msginfo->msgnum);
3139         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
3140 }
3141
3142 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
3143                          MsgFlags *flags, gboolean remove_source)
3144 {
3145         GSList file_list;
3146         MsgFileInfo fileinfo;
3147
3148         cm_return_val_if_fail(dest != NULL, -1);
3149         cm_return_val_if_fail(file != NULL, -1);
3150
3151         fileinfo.msginfo = NULL;
3152         fileinfo.file = (gchar *)file;
3153         fileinfo.flags = flags;
3154         file_list.data = &fileinfo;
3155         file_list.next = NULL;
3156
3157         return folder_item_add_msgs(dest, &file_list, remove_source);
3158 }
3159
3160 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
3161                           gboolean remove_source)
3162 {
3163         Folder *folder;
3164         gint ret, num, lastnum = -1;
3165         GSList *file_cur;
3166         GHashTable *relation;
3167         MsgFileInfo *fileinfo = NULL;
3168         gboolean folderscan = FALSE;
3169
3170         cm_return_val_if_fail(dest != NULL, -1);
3171         cm_return_val_if_fail(file_list != NULL, -1);
3172         cm_return_val_if_fail(dest->folder != NULL, -1);
3173         if (dest->no_select)
3174                 return -1;
3175
3176         folder = dest->folder;
3177
3178         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
3179
3180         if (folder->klass->add_msgs != NULL) {
3181                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
3182                 if (ret < 0) {
3183                         g_hash_table_destroy(relation);
3184                         return ret;
3185                 }
3186         } else {
3187                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
3188                         fileinfo = (MsgFileInfo *) file_cur->data;
3189
3190                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
3191                         if (ret < 0) {
3192                                 g_hash_table_destroy(relation);
3193                                 return ret;
3194                         }
3195                         g_hash_table_insert(relation, fileinfo, GINT_TO_POINTER(ret));
3196                 }
3197         }
3198
3199         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
3200                 gpointer data, old_key;
3201
3202                 fileinfo = (MsgFileInfo *) file_cur->data;
3203                 if (g_hash_table_lookup_extended(relation, fileinfo, &old_key, &data))
3204                         num = GPOINTER_TO_INT(data);
3205                 else
3206                         num = -1;
3207
3208                 if (num >= 0) {
3209                         MsgInfo *newmsginfo;
3210
3211                         if (num == 0) {
3212                                 if (!folderscan) {
3213                                         folder_item_scan_full(dest, FALSE);
3214                                         folderscan = TRUE;
3215                                 }
3216                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
3217                                 debug_print("got num %d\n", num);
3218                         }
3219
3220                         if (num > lastnum)
3221                                 lastnum = num;
3222
3223                         if (num >= 0 && remove_source) {
3224                                 if (claws_unlink(fileinfo->file) < 0)
3225                                         FILE_OP_ERROR(fileinfo->file, "unlink");
3226                         }
3227
3228                         if (num == 0)
3229                                 continue;
3230
3231                         if (!folderscan &&
3232                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
3233                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
3234                                 procmsg_msginfo_free(newmsginfo);
3235                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
3236                                 /* TODO: set default flags */
3237                                 procmsg_msginfo_free(newmsginfo);
3238                         }
3239                 }
3240         }
3241
3242         g_hash_table_destroy(relation);
3243
3244         return lastnum;
3245 }
3246
3247 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
3248 {
3249         GSList *mlist;
3250         FolderItem *new_item;
3251         FolderItem *next_item;
3252         GNode *srcnode;
3253         gchar *old_id, *new_id;
3254
3255         /* move messages */
3256         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
3257         new_item = folder_create_folder(dest, src->name);
3258         if (new_item == NULL) {
3259                 g_print("Can't create folder\n");
3260                 return NULL;
3261         }
3262
3263         if (new_item->folder == NULL)
3264                 new_item->folder = dest->folder;
3265
3266         /* move messages */
3267         log_message(LOG_PROTOCOL, copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
3268                         src->name, new_item->path);
3269
3270         mlist = folder_item_get_msg_list(src);
3271
3272         if (mlist != NULL) {
3273                 if (copy)
3274                         folder_item_copy_msgs(new_item, mlist);
3275                 else
3276                         folder_item_move_msgs(new_item, mlist);
3277                 procmsg_msg_list_free(mlist);
3278         }
3279
3280         /*copy prefs*/
3281         folder_item_prefs_copy_prefs(src, new_item);
3282
3283         /* copy internal data */
3284         if (src->folder->klass == new_item->folder->klass &&
3285             src->folder->klass->copy_private_data != NULL)
3286                 src->folder->klass->copy_private_data(src->folder,
3287                                         src, new_item);
3288         new_item->collapsed = src->collapsed;
3289         new_item->thread_collapsed = src->thread_collapsed;
3290         new_item->threaded  = src->threaded;
3291         new_item->ret_rcpt  = src->ret_rcpt;
3292         new_item->hide_read_msgs = src->hide_read_msgs;
3293         new_item->hide_del_msgs = src->hide_del_msgs;
3294         new_item->hide_read_threads = src->hide_read_threads;
3295         new_item->sort_key  = src->sort_key;
3296         new_item->sort_type = src->sort_type;
3297
3298         prefs_matcher_write_config();
3299
3300         /* recurse */
3301         srcnode = src->folder->node;
3302         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
3303         srcnode = srcnode->children;
3304         while (srcnode != NULL) {
3305                 if (srcnode && srcnode->data) {
3306                         next_item = (FolderItem*) srcnode->data;
3307                         srcnode = srcnode->next;
3308                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
3309                                 return NULL;
3310                         }
3311                 }
3312         }
3313         old_id = folder_item_get_identifier(src);
3314         new_id = folder_item_get_identifier(new_item);
3315
3316         /* if src supports removing, otherwise only copy folder */
3317         if (src->folder->klass->remove_folder != NULL && !copy)
3318                 src->folder->klass->remove_folder(src->folder, src);
3319         folder_write_list();
3320
3321         if (!copy) {
3322                 debug_print("updating rules : %s => %s\n", old_id, new_id);
3323                 if (old_id != NULL && new_id != NULL) {
3324                         prefs_filtering_rename_path(old_id, new_id);
3325                         account_rename_path(old_id, new_id);
3326                 }
3327         }
3328         g_free(old_id);
3329         g_free(new_id);
3330
3331         return new_item;
3332 }
3333
3334 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
3335 {
3336         FolderItem *tmp = folder_item_parent(dest);
3337         gchar * src_identifier, * dst_identifier;
3338         gchar * phys_srcpath, * phys_dstpath, *tmppath;
3339
3340         while (tmp) {
3341                 if (tmp == src) {
3342                         return F_MOVE_FAILED_DEST_IS_CHILD;
3343                 }
3344                 tmp = folder_item_parent(tmp);
3345         }
3346
3347         src_identifier = folder_item_get_identifier(src);
3348         dst_identifier = folder_item_get_identifier(dest);
3349
3350         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
3351                 /* dest can be a root folder */
3352                 dst_identifier = folder_get_identifier(dest->folder);
3353         }
3354         if (src_identifier == NULL || dst_identifier == NULL) {
3355                 debug_print("Can't get identifiers\n");
3356                 return F_MOVE_FAILED;
3357         }
3358
3359         if (src->folder != dest->folder && !copy) {
3360                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
3361         }
3362
3363         phys_srcpath = folder_item_get_path(src);
3364         tmppath = folder_item_get_path(dest);
3365         phys_dstpath = g_strconcat(tmppath,
3366                        G_DIR_SEPARATOR_S,
3367                        g_path_get_basename(phys_srcpath),
3368                        NULL);
3369         g_free(tmppath);
3370
3371         if (folder_item_parent(src) == dest || src == dest) {
3372                 g_free(src_identifier);
3373                 g_free(dst_identifier);
3374                 g_free(phys_srcpath);
3375                 g_free(phys_dstpath);
3376                 return F_MOVE_FAILED_DEST_IS_PARENT;
3377         }
3378         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
3379         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
3380                 return F_MOVE_FAILED;
3381         }
3382
3383         g_free(src_identifier);
3384         g_free(dst_identifier);
3385         g_free(phys_srcpath);
3386         g_free(phys_dstpath);
3387
3388         *new_item = tmp;
3389
3390         return F_MOVE_OK;
3391 }
3392
3393 struct find_data
3394 {
3395         gboolean found;
3396 };
3397 static void find_num(gpointer key, gpointer value, gpointer data)
3398 {
3399         struct find_data *fdata = (struct find_data *)data;
3400         if (GPOINTER_TO_INT(value) == 0)
3401                 fdata->found = TRUE;
3402 }
3403
3404 static gboolean some_msgs_have_zero_num(GHashTable *hashtable)
3405 {
3406         struct find_data fdata;
3407
3408         fdata.found = FALSE;
3409         g_hash_table_foreach(hashtable, find_num, &fdata);
3410
3411         return fdata.found;
3412 }
3413
3414 /**
3415  * Copy a list of message to a new folder and remove
3416  * source messages if wanted
3417  */
3418 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
3419 {
3420         Folder *folder;
3421         GSList *l;
3422         gint num, lastnum = -1;
3423         gboolean folderscan = FALSE;
3424         GHashTable *relation;
3425         GSList *not_moved = NULL;
3426         gint total = 0, curmsg = 0;
3427         MsgInfo *msginfo = NULL;
3428
3429         cm_return_val_if_fail(dest != NULL, -1);
3430         cm_return_val_if_fail(msglist != NULL, -1);
3431
3432         folder = dest->folder;
3433
3434         cm_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
3435         if (dest->no_select)
3436                 return -1;
3437
3438         msginfo = (MsgInfo *)msglist->data;
3439
3440         if (!msginfo)
3441                 return -1;
3442
3443         if (!MSG_IS_QUEUED(msginfo->flags) &&
3444             MSG_IS_DRAFT(msginfo->flags) &&
3445             folder_has_parent_of_type(dest, F_QUEUE)) {
3446                 GSList *cur = msglist;
3447                 gboolean queue_err = FALSE;
3448                 for (; cur; cur = cur->next) {
3449                         Compose *compose = NULL;
3450                         FolderItem *queue = dest;
3451                         int val = 0;
3452
3453                         msginfo = (MsgInfo *)cur->data;
3454                         compose = compose_reedit(msginfo, TRUE);
3455                         if (compose == NULL) {
3456                                 queue_err = TRUE;
3457                                 continue;
3458                         }
3459                         val = compose_queue(compose, NULL, &queue, NULL,
3460                                         FALSE);
3461                         if (val < 0) {
3462                                 queue_err = TRUE;
3463                         } else if (remove_source) {
3464                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
3465                         }
3466                         if (val == 0)
3467                                 compose_close(compose);
3468                 }
3469                 return queue_err ? -1:0;
3470         }
3471
3472         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
3473
3474         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
3475                 MsgInfo * msginfo = (MsgInfo *) l->data;
3476
3477                 if (msginfo->planned_download != 0) {
3478                         int old_planned = msginfo->planned_download;
3479                         partial_unmark(msginfo);
3480                         /* little hack to reenable after */
3481                         msginfo->planned_download = old_planned;
3482                 }
3483         }
3484
3485         /*
3486          * Copy messages to destination folder and
3487          * store new message numbers in newmsgnums
3488          */
3489         if (folder->klass->copy_msgs != NULL) {
3490                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3491                         g_hash_table_destroy(relation);
3492                         return -1;
3493                 }
3494         } else {
3495                 MsgInfo * msginfo;
3496                 l = msglist;
3497
3498                 /* immediately stop if src and dest folders are identical */
3499                 if (l != NULL) {
3500                         msginfo = (MsgInfo *) l->data;
3501                         if (msginfo != NULL && msginfo->folder == dest) {
3502                                 g_hash_table_destroy(relation);
3503                                 return -1;
3504                         }
3505                 }
3506
3507                 for (; l != NULL ; l = g_slist_next(l)) {
3508                         msginfo = (MsgInfo *) l->data;
3509
3510                         num = folder->klass->copy_msg(folder, dest, msginfo);
3511                         if (num > 0)
3512                                 g_hash_table_insert(relation, msginfo, GINT_TO_POINTER(num));
3513                         else
3514                                 not_moved = g_slist_prepend(not_moved, msginfo);
3515                 }
3516         }
3517
3518         if (remove_source) {
3519                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3520                 FolderItem *item = msginfo->folder;
3521                 /*
3522                  * Remove source messages from their folders if
3523                  * copying was successfull and update folder
3524                  * message counts
3525                  */
3526                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3527                         item->folder->klass->remove_msgs(item->folder,
3528                                                                 msginfo->folder,
3529                                                                 msglist,
3530                                                                 relation);
3531                 }
3532                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3533                         gpointer old_key, data;
3534                         msginfo = (MsgInfo *) l->data;
3535                         item = msginfo->folder;
3536
3537                         if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
3538                                 num = GPOINTER_TO_INT(data);
3539                         else
3540                                 num = 0;
3541
3542                         if (g_slist_find(not_moved, msginfo))
3543                                 continue;
3544
3545                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3546                                 if (!item->folder->klass->remove_msgs)
3547                                         item->folder->klass->remove_msg(item->folder,
3548                                                                 msginfo->folder,
3549                                                                 msginfo->msgnum);
3550                                 if (!item->folder->account || item->folder->account->imap_use_trash) {
3551                                         remove_msginfo_from_cache(item, msginfo);
3552                                 }
3553                         }
3554                 }
3555         }
3556
3557         /* Read cache for dest folder */
3558         if (!dest->cache) folder_item_read_cache(dest);
3559
3560         /*
3561          * Fetch new MsgInfos for new messages in dest folder,
3562          * add them to the msgcache and update folder message counts
3563          */
3564         if (some_msgs_have_zero_num(relation)) {
3565                 folder_item_scan_full(dest, FALSE);
3566                 folderscan = TRUE;
3567         }
3568
3569         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3570         total = g_slist_length(msglist);
3571
3572         if (FOLDER_TYPE(dest->folder) == F_IMAP && total > 1) {
3573                 folder_item_scan_full(dest, FALSE);
3574                 folderscan = TRUE;
3575         }
3576         folder_item_set_batch(dest, TRUE);
3577         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3578                 MsgInfo *msginfo = (MsgInfo *) l->data;
3579                 gpointer data, old_key;
3580
3581                 if (!msginfo)
3582                         continue;
3583
3584                 if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
3585                         num = GPOINTER_TO_INT(data);
3586                 else
3587                         num = 0;
3588
3589                 statusbar_progress_all(curmsg++,total, 100);
3590                 if (curmsg % 100 == 0)
3591                         GTK_EVENTS_FLUSH();
3592
3593                 if (num >= 0) {
3594                         MsgInfo *newmsginfo = NULL;
3595
3596                         if (!folderscan && num > 0) {
3597                                 newmsginfo = get_msginfo(dest, num);
3598                                 if (newmsginfo != NULL) {
3599                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3600                                 }
3601                         }
3602                         if (newmsginfo == NULL) {
3603                                 if (!folderscan) {
3604                                         folder_item_scan_full(dest, FALSE);
3605                                         folderscan = TRUE;
3606                                 }
3607                                 if (msginfo->msgid != NULL) {
3608                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3609                                         if (newmsginfo != NULL) {
3610                                                 copy_msginfo_flags(msginfo, newmsginfo);
3611                                                 num = newmsginfo->msgnum;
3612                                         }
3613                                 }
3614                         }
3615
3616                         if (msginfo->planned_download
3617                             == POP3_PARTIAL_DLOAD_DELE) {
3618                                 partial_mark_for_delete(newmsginfo);
3619                         }
3620                         if (msginfo->planned_download
3621                             == POP3_PARTIAL_DLOAD_DLOAD) {
3622                                 partial_mark_for_download(newmsginfo);
3623                         }
3624                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3625                                 procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3626                                 if (newmsginfo) {
3627                                         procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3628                                         hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3629                                 }
3630                         }
3631                         procmsg_msginfo_free(newmsginfo);
3632
3633
3634                         if (num > lastnum)
3635                                 lastnum = num;
3636                 }
3637         }
3638         folder_item_set_batch(dest, FALSE);
3639         statusbar_progress_all(0,0,0);
3640         statusbar_pop_all();
3641
3642         g_hash_table_destroy(relation);
3643         if (not_moved != NULL) {
3644                 g_slist_free(not_moved);
3645                 return -1;
3646         } else
3647                 return lastnum;
3648 }
3649
3650 /**
3651  * Move a message to a new folder.
3652  *
3653  * \param dest Destination folder
3654  * \param msginfo The message
3655  */
3656 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3657 {
3658         GSList list;
3659
3660         cm_return_val_if_fail(dest != NULL, -1);
3661         cm_return_val_if_fail(msginfo != NULL, -1);
3662
3663         list.data = msginfo;
3664         list.next = NULL;
3665
3666         return do_copy_msgs(dest, &list, TRUE);
3667 }
3668
3669 /**
3670  * Move a list of messages to a new folder.
3671  *
3672  * \param dest Destination folder
3673  * \param msglist List of messages
3674  */
3675 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3676 {
3677         gint result = -1;
3678         cm_return_val_if_fail(dest != NULL, -1);
3679         cm_return_val_if_fail(msglist != NULL, -1);
3680         inc_lock();
3681         result = do_copy_msgs(dest, msglist, TRUE);
3682         inc_unlock();
3683         return result;
3684 }
3685
3686 /**
3687  * Copy a message to a new folder.
3688  *
3689  * \param dest Destination folder
3690  * \param msginfo The message
3691  */
3692 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3693 {
3694         GSList list;
3695
3696         cm_return_val_if_fail(dest != NULL, -1);
3697         cm_return_val_if_fail(msginfo != NULL, -1);
3698
3699         list.data = msginfo;
3700         list.next = NULL;
3701
3702         return do_copy_msgs(dest, &list, FALSE);
3703 }
3704
3705 /**
3706  * Copy a list of messages to a new folder.
3707  *
3708  * \param dest Destination folder
3709  * \param msglist List of messages
3710  */
3711 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3712 {
3713         gint result;
3714         cm_return_val_if_fail(dest != NULL, -1);
3715         cm_return_val_if_fail(msglist != NULL, -1);
3716
3717         inc_lock();
3718         result = do_copy_msgs(dest, msglist, FALSE);
3719         inc_unlock();
3720
3721         return result;
3722 }
3723
3724 gint folder_item_remove_msg(FolderItem *item, gint num)
3725 {
3726         Folder *folder;
3727         gint ret;
3728         MsgInfo *msginfo;
3729
3730         cm_return_val_if_fail(item != NULL, -1);
3731         folder = item->folder;
3732         cm_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3733         if (item->no_select)
3734                 return -1;
3735
3736         if (!item->cache) folder_item_read_cache(item);
3737
3738         msginfo = msgcache_get_msg(item->cache, num);
3739         if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
3740                 procmsg_msginfo_free(msginfo);
3741                 return -1;
3742         }
3743         ret = folder->klass->remove_msg(folder, item, num);
3744
3745         if (!item->folder->account || item->folder->account->imap_use_trash) {
3746                 if (msginfo != NULL) {
3747                         if (ret == 0)
3748                                 remove_msginfo_from_cache(item, msginfo);
3749                         procmsg_msginfo_free(msginfo);
3750                 }
3751         }
3752
3753         return ret;
3754 }
3755
3756 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3757 {
3758         Folder *folder;
3759         gint ret = 0;
3760         GSList *real_list = NULL, *cur = NULL;
3761
3762         cm_return_val_if_fail(item != NULL, -1);
3763         folder = item->folder;
3764         cm_return_val_if_fail(folder != NULL, -1);
3765         if (item->no_select)
3766                 return -1;
3767         inc_lock();
3768         if (!item->cache) folder_item_read_cache(item);
3769
3770         folder_item_update_freeze();
3771
3772         /* filter out locked mails */
3773         for (cur = msglist; cur; cur = cur->next) {
3774                 MsgInfo *info = (MsgInfo *)cur->data;
3775                 if (!MSG_IS_LOCKED(info->flags))
3776                         real_list = g_slist_prepend(real_list, info);
3777         }
3778
3779         real_list = g_slist_reverse(real_list);
3780
3781         if (item->folder->klass->remove_msgs) {
3782                 ret = item->folder->klass->remove_msgs(item->folder,
3783                                                         item,
3784                                                         real_list,
3785                                                         NULL);
3786         }
3787         while (ret == 0 && real_list != NULL) {
3788                 MsgInfo *msginfo = (MsgInfo *)real_list->data;
3789                 if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
3790                         real_list = real_list->next;
3791                         continue;
3792                 }
3793                 if (!item->folder->klass->remove_msgs)
3794                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3795                 if (ret != 0) break;
3796                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3797                 real_list = real_list->next;
3798         }
3799         g_slist_free(real_list);
3800         folder_item_scan_full(item, FALSE);
3801         folder_item_update_thaw();
3802         inc_unlock();
3803         return ret;
3804 }
3805
3806 gint folder_item_expunge(FolderItem *item)
3807 {
3808         Folder *folder = item->folder;
3809         gint result = 0;
3810         if (folder == NULL)
3811                 return -1;
3812         if (folder->klass->expunge) {
3813                 GSList *msglist = folder_item_get_msg_list(item);
3814                 GSList *cur;
3815                 result = folder->klass->expunge(folder, item);
3816                 if (result == 0) {
3817                         for (cur = msglist; cur; cur = cur->next) {
3818                                 MsgInfo *msginfo = (MsgInfo *)cur->data;
3819                                 if (MSG_IS_DELETED(msginfo->flags)) {
3820                                         remove_msginfo_from_cache(item, msginfo);
3821                                 }
3822                         }
3823                 }
3824                 procmsg_msg_list_free(msglist);
3825         }
3826         return result;
3827 }
3828
3829 gint folder_item_remove_all_msg(FolderItem *item)
3830 {
3831         Folder *folder;
3832         gint result;
3833
3834         cm_return_val_if_fail(item != NULL, -1);
3835         if (item->no_select)
3836                 return -1;
3837
3838         folder = item->folder;
3839
3840         inc_lock();
3841         if (folder->klass->remove_all_msg != NULL) {
3842                 result = folder->klass->remove_all_msg(folder, item);
3843
3844                 if (result == 0) {
3845                         folder_item_free_cache(item, TRUE);
3846                         item->cache = msgcache_new();
3847                         item->cache_dirty = TRUE;
3848                         item->mark_dirty = TRUE;
3849                         item->tags_dirty = TRUE;
3850                 }
3851         } else {
3852                 MsgInfoList *msglist;
3853
3854                 msglist = folder_item_get_msg_list(item);
3855                 result = folder_item_remove_msgs(item, msglist);
3856                 procmsg_msg_list_free(msglist);
3857         }
3858
3859         if (result == 0) {
3860                 item->new_msgs = 0;
3861                 item->unread_msgs = 0;
3862                 item->unreadmarked_msgs = 0;
3863                 item->marked_msgs = 0;
3864                 item->total_msgs = 0;
3865                 item->replied_msgs = 0;
3866                 item->forwarded_msgs = 0;
3867                 item->locked_msgs = 0;
3868                 item->ignored_msgs = 0;
3869                 item->watched_msgs = 0;
3870                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3871         }
3872
3873         inc_unlock();
3874         return result;
3875 }
3876
3877 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3878 {
3879         cm_return_if_fail(item != NULL);
3880         cm_return_if_fail(msginfo != NULL);
3881
3882         item->mark_dirty = TRUE;
3883
3884         if (item->no_select)
3885                 return;
3886
3887         if (item->folder->klass->change_flags != NULL && item->scanning != ITEM_SCANNING_WITH_FLAGS) {
3888                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3889         } else {
3890                 msginfo->flags.perm_flags = newflags;
3891         }
3892 }
3893
3894 void folder_item_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
3895 {
3896         Folder *folder = NULL;
3897
3898         if (!msginfo)
3899                 return;
3900         if (!item)
3901                 return;
3902         if (!tags_set && !tags_unset)
3903                 return;
3904
3905         folder = item->folder;
3906         if (!folder)
3907                 return;
3908
3909         item->tags_dirty = TRUE;
3910
3911         if (folder->klass->commit_tags == NULL)
3912                 return;
3913
3914         folder->klass->commit_tags(item, msginfo, tags_set, tags_unset);
3915 }
3916
3917 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3918 {
3919         Folder *folder;
3920
3921         cm_return_val_if_fail(item != NULL, FALSE);
3922         if (item->no_select)
3923                 return FALSE;
3924
3925         folder = item->folder;
3926
3927         cm_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3928
3929         return folder->klass->is_msg_changed(folder, item, msginfo);
3930 }
3931
3932 void folder_item_discard_cache(FolderItem *item)
3933 {
3934         gchar *dir;
3935         gchar *cache;
3936
3937         if (!item)
3938                 return;
3939
3940         if (item->cache) {
3941                 msgcache_destroy(item->cache);
3942                 item->cache = NULL;
3943         }
3944         dir = folder_item_get_path(item);
3945         if (is_dir_exist(dir))
3946                 remove_all_numbered_files(dir);
3947         g_free(dir);
3948
3949         cache = folder_item_get_cache_file(item);
3950         if (is_file_exist(cache))
3951                 claws_unlink(cache);
3952         g_free(cache);
3953
3954 }
3955
3956 static gchar *folder_item_get_cache_file(FolderItem *item)
3957 {
3958         gchar *path;
3959         gchar *file;
3960         gchar *old_file;
3961
3962         cm_return_val_if_fail(item != NULL, NULL);
3963         cm_return_val_if_fail(item->path != NULL, NULL);
3964
3965         path = folder_item_get_path(item);
3966         cm_return_val_if_fail(path != NULL, NULL);
3967         if (!is_dir_exist(path))
3968                 make_dir_hier(path);
3969         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3970         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_CACHE_FILE, NULL);
3971
3972         if (!is_file_exist(file) && is_file_exist(old_file))
3973                 move_file(old_file, file, FALSE);
3974         g_free(old_file);
3975         g_free(path);
3976
3977         return file;
3978 }
3979
3980 static gchar *folder_item_get_mark_file(FolderItem *item)
3981 {
3982         gchar *path;
3983         gchar *file;
3984         gchar *old_file;
3985
3986         cm_return_val_if_fail(item != NULL, NULL);
3987         cm_return_val_if_fail(item->path != NULL, NULL);
3988
3989         path = folder_item_get_path(item);
3990         cm_return_val_if_fail(path != NULL, NULL);
3991         if (!is_dir_exist(path))
3992                 make_dir_hier(path);
3993         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3994         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_MARK_FILE, NULL);
3995
3996         if (!is_file_exist(file) && is_file_exist(old_file))
3997                 move_file(old_file, file, FALSE);
3998         g_free(old_file);
3999         g_free(path);
4000
4001         return file;
4002 }
4003
4004 static gchar *folder_item_get_tags_file(FolderItem *item)
4005 {
4006         gchar *path;
4007         gchar *identifier;
4008         gchar *file;
4009
4010         /* we save tags files in rc_dir, because tagsrc is there too,
4011          * and storing tags directly in the mailboxes would give strange
4012          * result when using another Claws mailbox from another install
4013          * with different tags. */
4014
4015         cm_return_val_if_fail(item != NULL, NULL);
4016
4017         identifier = folder_item_get_identifier(item);
4018         cm_return_val_if_fail(identifier != NULL, NULL);
4019
4020 #ifdef G_OS_WIN32
4021         while (strchr(identifier, '/'))
4022                 *strchr(identifier, '/') = '\\';
4023 #endif
4024
4025         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4026                            "tagsdb", G_DIR_SEPARATOR_S,
4027                            identifier, NULL);
4028
4029         g_free(identifier);
4030
4031         if (!is_dir_exist(path))
4032                 make_dir_hier(path);
4033
4034         file = g_strconcat(path, G_DIR_SEPARATOR_S, TAGS_FILE, NULL);
4035
4036         g_free(path);
4037
4038         return file;
4039 }
4040
4041 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
4042 {
4043         XMLNode *xmlnode = (XMLNode *) nodedata;
4044         Folder *folder = (Folder *) data;
4045         FolderItem *item;
4046
4047         cm_return_val_if_fail(xmlnode != NULL, NULL);
4048         cm_return_val_if_fail(folder != NULL, NULL);
4049
4050         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
4051                 g_warning("tag name != \"folderitem\"\n");
4052                 return NULL;
4053         }
4054
4055         item = folder_item_new(folder, "", "");
4056         if (folder->klass->item_set_xml != NULL)
4057                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
4058         else
4059                 folder_item_set_xml(folder, item, xmlnode->tag);
4060
4061         item->folder = folder;
4062
4063         switch (item->stype) {
4064         case F_INBOX:  folder->inbox  = item; break;
4065         case F_OUTBOX: folder->outbox = item; break;
4066         case F_DRAFT:  folder->draft  = item; break;
4067         case F_QUEUE:  folder->queue  = item; break;
4068         case F_TRASH:  folder->trash  = item; break;
4069         default:       break;
4070         }
4071         folder_item_prefs_read_config(item);
4072
4073         return item;
4074 }
4075
4076 static gboolean folder_item_set_node(GNode *node, gpointer data)
4077 {
4078         cm_return_val_if_fail(node->data != NULL, -1);
4079
4080         FolderItem *item = (FolderItem *) node->data;
4081         item->node = node;
4082
4083         return FALSE;
4084 }
4085
4086 static Folder *folder_get_from_xml(GNode *node)
4087 {
4088         Folder *folder;
4089         XMLNode *xmlnode;
4090         GList *list;
4091         FolderClass *klass = NULL;
4092         GNode *cur;
4093
4094         cm_return_val_if_fail(node->data != NULL, NULL);
4095
4096         xmlnode = node->data;
4097         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
4098                 g_warning("tag name != \"folder\"\n");
4099                 return NULL;
4100         }
4101         list = xmlnode->tag->attr;
4102         for (; list != NULL; list = list->next) {
4103                 XMLAttr *attr = list->data;
4104
4105                 if (!attr || !attr->name || !attr->value) continue;
4106                 if (!strcmp(attr->name, "type"))
4107                         klass = folder_get_class_from_string(attr->value);
4108         }
4109         if (klass == NULL)
4110                 return NULL;
4111
4112         folder = folder_new(klass, "", "");
4113         cm_return_val_if_fail(folder != NULL, NULL);
4114
4115         if (klass->set_xml)
4116                 klass->set_xml(folder, xmlnode->tag);
4117         else
4118                 folder_set_xml(folder, xmlnode->tag);
4119
4120         cur = node->children;
4121         while (cur != NULL) {
4122                 GNode *itemnode;
4123
4124                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
4125                 g_node_append(folder->node, itemnode);
4126                 cur = cur->next;
4127         }
4128         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
4129
4130         return folder;
4131 }
4132
4133 gchar *folder_get_list_path(void)
4134 {
4135         static gchar *filename = NULL;
4136
4137         if (!filename)
4138                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4139                                         FOLDER_LIST, NULL);
4140
4141         return filename;
4142 }
4143
4144 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
4145 {
4146         FolderItem *item = (FolderItem *) nodedata;
4147         XMLTag *tag;
4148
4149         cm_return_val_if_fail(item != NULL, NULL);
4150
4151         if (item->folder->klass->item_get_xml != NULL)
4152                 tag = item->folder->klass->item_get_xml(item->folder, item);
4153         else
4154                 tag = folder_item_get_xml(item->folder, item);
4155
4156         return xml_node_new(tag, NULL);
4157 }
4158
4159 static GNode *folder_get_xml_node(Folder *folder)
4160 {
4161         GNode *node;
4162         XMLNode *xmlnode;
4163         XMLTag *tag;
4164
4165         cm_return_val_if_fail(folder != NULL, NULL);
4166
4167         if (folder->klass->get_xml != NULL)
4168                 tag = folder->klass->get_xml(folder);
4169         else
4170                 tag = folder_get_xml(folder);
4171
4172         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
4173
4174         xmlnode = xml_node_new(tag, NULL);
4175
4176         node = g_node_new(xmlnode);
4177
4178         cm_return_val_if_fail (folder->node != NULL, NULL);
4179
4180         if (folder->node->children) {
4181                 GNode *cur;
4182
4183                 cur = folder->node->children;
4184                 while (cur) {
4185                         GNode *xmlnode;
4186
4187                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
4188                         g_node_append(node, xmlnode);
4189                         cur = cur->next;
4190                 }
4191         }
4192
4193         return node;
4194 }
4195
4196 static void folder_update_op_count_rec(GNode *node)
4197 {
4198         FolderItem *fitem = FOLDER_ITEM(node->data);
4199
4200         if (g_node_depth(node) > 0) {
4201                 if (fitem->op_count > 0) {
4202                         fitem->op_count = 0;
4203                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
4204                 }
4205                 if (node->children) {
4206                         GNode *child;
4207
4208                         child = node->children;
4209                         while (child) {
4210                                 GNode *cur;
4211
4212                                 cur = child;
4213                                 child = cur->next;
4214                                 folder_update_op_count_rec(cur);
4215                         }
4216                 }
4217         }
4218 }
4219
4220 void folder_update_op_count(void)
4221 {
4222         GList *cur;
4223         Folder *folder;
4224
4225         for (cur = folder_list; cur != NULL; cur = cur->next) {
4226                 folder = cur->data;
4227                 folder_update_op_count_rec(folder->node);
4228         }
4229 }
4230
4231 typedef struct _type_str {
4232         gchar * str;
4233         gint type;
4234 } type_str;
4235
4236
4237 /*
4238 static gchar * folder_item_get_tree_identifier(FolderItem * item)
4239 {
4240         if (item->parent != NULL) {
4241                 gchar * path;
4242                 gchar * id;
4243
4244                 path = folder_item_get_tree_identifier(item->parent);
4245                 if (path == NULL)
4246                         return NULL;
4247
4248                 id = g_strconcat(path, "/", item->name, NULL);
4249                 g_free(path);
4250
4251                 return id;
4252         }
4253         else {
4254                 return g_strconcat("/", item->name, NULL);
4255         }
4256 }
4257 */
4258
4259 /* CLAWS: temporary local folder for filtering */
4260 #define TEMP_FOLDER "TEMP_FOLDER"
4261 #define PROCESSING_FOLDER_ITEM "processing"
4262
4263 static FolderItem *folder_create_processing_folder(int account_id)
4264 {
4265         Folder *processing_folder;
4266         FolderItem *processing_folder_item;
4267         gchar      *tmpname;
4268
4269         gchar *processing_folder_item_name = NULL;
4270
4271         processing_folder_item_name = g_strdup_printf("%s-%d", PROCESSING_FOLDER_ITEM, account_id);
4272
4273         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
4274                 gchar *tmppath;
4275
4276                 tmppath =
4277                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4278                                 "tempfolder", NULL);
4279                 processing_folder =
4280                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
4281                 g_free(tmppath);
4282         }
4283         g_assert(processing_folder != NULL);
4284
4285         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
4286         /* FIXME: [W32] The code below does not correctly merge
4287            relative filenames; there should be a function to handle
4288            this.  */
4289         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
4290                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
4291                                       G_DIR_SEPARATOR_S,
4292                                       processing_folder_item_name,
4293                                       NULL);
4294         else
4295                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
4296                                       LOCAL_FOLDER(processing_folder)->rootpath,
4297                                       G_DIR_SEPARATOR_S,
4298                                       processing_folder_item_name,
4299                                       NULL);
4300
4301         if (!is_dir_exist(tmpname)) {
4302                 debug_print("*TMP* creating %s\n", tmpname);
4303                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
4304                                                                                  processing_folder->node->data,
4305                                                                                  processing_folder_item_name);
4306         } else {
4307                 debug_print("*TMP* already created\n");
4308                 processing_folder_item = folder_item_new(processing_folder, processing_folder_item_name, processing_folder_item_name);
4309                 g_assert(processing_folder_item);
4310                 folder_item_append(processing_folder->node->data, processing_folder_item);
4311         }
4312         g_free(processing_folder_item_name);
4313         g_assert(processing_folder_item != NULL);
4314         g_free(tmpname);
4315
4316         return(processing_folder_item);
4317 }
4318
4319 FolderItem *folder_get_default_processing(int account_id)
4320 {
4321         return folder_create_processing_folder(account_id);
4322 }
4323
4324 /* folder_persist_prefs_new() - return hash table with persistent
4325  * settings (and folder name as key).
4326  * (note that in claws other options are in the folder_item_prefs_RC
4327  * file, so those don't need to be included in PersistPref yet)
4328  */
4329 static GHashTable *folder_persist_prefs_new(Folder *folder)
4330 {
4331         GHashTable *pptable;
4332
4333         cm_return_val_if_fail(folder, NULL);
4334         pptable = g_hash_table_new(g_str_hash, g_str_equal);
4335         folder_get_persist_prefs_recursive(folder->node, pptable);
4336         return pptable;
4337 }
4338
4339 static void folder_persist_prefs_free(GHashTable *pptable)
4340 {
4341         cm_return_if_fail(pptable);
4342         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
4343         g_hash_table_destroy(pptable);
4344 }
4345
4346 static const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
4347 {
4348         if (pptable == NULL || name == NULL) return NULL;
4349         return g_hash_table_lookup(pptable, name);
4350 }
4351
4352 static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
4353 {
4354         const PersistPrefs *pp;
4355         gchar *id = folder_item_get_identifier(item);
4356
4357         pp = folder_get_persist_prefs(pptable, id);
4358         g_free(id);
4359
4360         if (!pp) return;
4361
4362         /* CLAWS: since not all folder properties have been migrated to
4363          * folderlist.xml, we need to call the old stuff first before
4364          * setting things that apply both to Main and Claws. */
4365         folder_item_prefs_read_config(item);
4366
4367         item->collapsed = pp->collapsed;
4368         item->thread_collapsed = pp->thread_collapsed;
4369         item->threaded  = pp->threaded;
4370         item->ret_rcpt  = pp->ret_rcpt;
4371         item->hide_read_msgs = pp->hide_read_msgs;
4372         item->hide_del_msgs = pp->hide_del_msgs;
4373         item->hide_read_threads = pp->hide_read_threads;
4374         item->sort_key  = pp->sort_key;
4375         item->sort_type = pp->sort_type;
4376 }
4377
4378 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
4379 {
4380         FolderItem *item = FOLDER_ITEM(node->data);
4381         PersistPrefs *pp;
4382         GNode *child, *cur;
4383         gchar *id;
4384
4385         cm_return_if_fail(node != NULL);
4386         cm_return_if_fail(item != NULL);
4387
4388         /* NOTE: item->path == NULL means top level folder; not interesting
4389          * to store preferences of that one.  */
4390         if (item->path) {
4391                 id = folder_item_get_identifier(item);
4392                 pp = g_new0(PersistPrefs, 1);
4393                 cm_return_if_fail(pp != NULL);
4394                 pp->collapsed = item->collapsed;
4395                 pp->thread_collapsed = item->thread_collapsed;
4396                 pp->threaded  = item->threaded;
4397                 pp->ret_rcpt  = item->ret_rcpt;
4398                 pp->hide_read_msgs = item->hide_read_msgs;
4399                 pp->hide_del_msgs = item->hide_del_msgs;
4400                 pp->hide_read_threads = item->hide_read_threads;
4401                 pp->sort_key  = item->sort_key;
4402                 pp->sort_type = item->sort_type;
4403                 g_hash_table_insert(pptable, id, pp);
4404         }
4405
4406         if (node->children) {
4407                 child = node->children;
4408                 while (child) {
4409                         cur = child;
4410                         child = cur->next;
4411                         folder_get_persist_prefs_recursive(cur, pptable);
4412                 }
4413         }
4414 }
4415
4416 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
4417 {
4418         g_free(key);
4419         g_free(val);
4420         return TRUE;
4421 }
4422
4423 void folder_item_apply_processing(FolderItem *item)
4424 {
4425         GSList *processing_list;
4426         GSList *mlist, *cur;
4427         guint total = 0, curmsg = 0;
4428         gint last_apply_per_account;
4429
4430         cm_return_if_fail(item != NULL);
4431
4432         if (item->no_select)
4433                return;
4434
4435         processing_list = item->prefs->processing;
4436
4437         if (!pre_global_processing && !processing_list
4438         &&  !post_global_processing)
4439                 return;
4440
4441         debug_print("processing %s\n", item->name);
4442         folder_item_update_freeze();
4443
4444         inc_lock();
4445
4446         mlist = folder_item_get_msg_list(item);
4447         total = g_slist_length(mlist);
4448         statusbar_print_all(_("Processing messages..."));
4449
4450         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
4451         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
4452
4453         folder_item_set_batch(item, TRUE);
4454         for (cur = mlist ; cur != NULL ; cur = cur->next) {
4455                 MsgInfo * msginfo;
4456
4457                 msginfo = (MsgInfo *) cur->data;
4458
4459                 /* reset parameters that can be modified by processing */
4460                 msginfo->hidden = 0;
4461                 msginfo->score = 0;
4462
4463                 statusbar_progress_all(curmsg++,total, 10);
4464
4465                 /* apply pre global rules */
4466                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL,
4467                                 FILTERING_PRE_PROCESSING, NULL);
4468
4469                 /* apply rules of the folder */
4470                 filter_message_by_msginfo(processing_list, msginfo, NULL,
4471                                 FILTERING_FOLDER_PROCESSING, item->name);
4472
4473                 /* apply post global rules */
4474                 filter_message_by_msginfo(post_global_processing, msginfo, NULL,
4475                                 FILTERING_POST_PROCESSING, NULL);
4476                 if (curmsg % 1000 == 0)
4477                         GTK_EVENTS_FLUSH();
4478         }
4479         folder_item_set_batch(item, FALSE);
4480
4481         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
4482
4483         if (pre_global_processing || processing_list
4484             || post_global_processing)
4485                 filtering_move_and_copy_msgs(mlist);
4486         for (cur = mlist ; cur != NULL ; cur = cur->next) {
4487                 MsgInfo * msginfo = (MsgInfo *)cur->data;
4488                 procmsg_msginfo_free(msginfo);
4489         }
4490         g_slist_free(mlist);
4491
4492         statusbar_progress_all(0,0,0);
4493         statusbar_pop_all();
4494
4495         inc_unlock();
4496
4497         folder_item_update_thaw();
4498 }
4499
4500 /*
4501  *  functions for handling FolderItem content changes
4502  */
4503 static gint folder_item_update_freeze_cnt = 0;
4504
4505 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
4506 {
4507         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
4508                 FolderItemUpdateData source;
4509
4510                 source.item = item;
4511                 source.update_flags = update_flags;
4512                 source.msg = msg;
4513                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
4514         } else {
4515                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
4516         }
4517 }
4518
4519 /**
4520  * Notify the folder system about changes to a folder. If the
4521  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
4522  * be invoked, otherwise the changes will be remebered until
4523  * the folder system is thawed.
4524  *
4525  * \param item The FolderItem that was changed
4526  * \param update_flags Type of changed that was made
4527  */
4528 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
4529 {
4530         folder_item_update_with_msg(item, update_flags, NULL);
4531 }
4532
4533 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
4534 {
4535         GNode *node = item->folder->node;
4536
4537         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
4538         node = node->children;
4539
4540         folder_item_update(item, update_flags);
4541         while (node != NULL) {
4542                 if (node && node->data) {
4543                         FolderItem *next_item = (FolderItem*) node->data;
4544
4545                         folder_item_update(next_item, update_flags);
4546                 }
4547                 node = node->next;
4548         }
4549 }
4550
4551 void folder_item_update_freeze(void)
4552 {
4553         folder_item_update_freeze_cnt++;
4554 }
4555
4556 static void folder_item_update_func(FolderItem *item, gpointer data)
4557 {
4558         FolderItemUpdateData source;
4559
4560         if (item->update_flags) {
4561                 source.item = item;
4562                 source.update_flags = item->update_flags;
4563                 source.msg = NULL;
4564                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
4565                 item->update_flags = 0;
4566         }
4567 }
4568
4569 void folder_item_update_thaw(void)
4570 {
4571         if (folder_item_update_freeze_cnt > 0)
4572                 folder_item_update_freeze_cnt--;
4573         if (folder_item_update_freeze_cnt == 0) {
4574                 /* Update all folders */
4575                 folder_func_to_all_folders(folder_item_update_func, NULL);
4576         }
4577 }
4578
4579 void folder_item_synchronise(FolderItem *item)
4580 {
4581         if (!item)
4582                 return;
4583         if (item->prefs->offlinesync && item->folder->klass->synchronise) {
4584                 statuswindow_print_all(_("Synchronising %s for offline use...\n"), item->path ? item->path : "(null)");
4585                 item->folder->klass->synchronise(item,
4586                         item->prefs->offlinesync_days);
4587                 if (item->prefs->offlinesync_days > 0 &&
4588                     item->prefs->remove_old_bodies)
4589                         folder_item_clean_local_files(item, item->prefs->offlinesync_days);
4590                 statuswindow_pop_all();
4591         }
4592 }
4593
4594 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
4595 {
4596         Folder *folder = (Folder *)data;
4597         if (folder == NULL || item->folder == folder) {
4598                 folder_item_synchronise(item);
4599         }
4600 }
4601
4602 void folder_synchronise(Folder *folder)
4603 {
4604         folder_func_to_all_folders(folder_item_synchronise_func, folder);
4605 }
4606
4607 typedef struct _WantSyncData {
4608         Folder *folder;
4609         gboolean want_sync;
4610 } WantSyncData;
4611
4612 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
4613 {
4614         WantSyncData *want_sync_data = (WantSyncData *)data;
4615
4616         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
4617                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
4618                         want_sync_data->want_sync |= TRUE;
4619         }
4620 }
4621
4622 gboolean folder_want_synchronise(Folder *folder)
4623 {
4624         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
4625         gboolean result;
4626         want_sync_data->folder = folder;
4627         want_sync_data->want_sync = FALSE;
4628
4629         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
4630         result = want_sync_data->want_sync;
4631         g_free(want_sync_data);
4632         if (result > 0)
4633                 debug_print("Folder %s wants sync\n", folder->name);
4634         return result;
4635 }
4636
4637 void folder_item_set_batch (FolderItem *item, gboolean batch)
4638 {
4639         if (!item || !item->folder)
4640                 return;
4641         if (item->folder->klass->set_batch) {
4642                 item->folder->klass->set_batch(item->folder, item, batch);
4643         }
4644 }
4645
4646 gboolean folder_has_parent_of_type(FolderItem *item,
4647                                           SpecialFolderItemType type)
4648 {
4649         FolderItem *cur = item;
4650
4651         if (!item)
4652                 return FALSE;
4653         /* if we already know it, make it short */
4654         if (item->parent_stype != -1) {
4655                 return (item->parent_stype == type);
4656         }
4657
4658         /* if we don't, find the type from the first possible parent,
4659          * and set our parent type to be faster next time */
4660         while (cur) {
4661                 if (cur->stype == type || cur->parent_stype == type) {
4662                         item->parent_stype = type;
4663                         return TRUE;
4664                 }
4665                 cur = folder_item_parent(cur);
4666         }
4667
4668         /* if we didn't match what was asked, we didn't return. If our
4669          * parent type is unknown, we may as well find it now to be faster
4670          * later. */
4671         if (item->parent_stype == -1) {
4672                 cur = item;
4673                 while (cur) {
4674                         /* here's an exception: Inbox subfolders are normal. */
4675                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4676                         && item != cur) {
4677                                 item->parent_stype = F_NORMAL;
4678                                 break;
4679                         }
4680                         /* ah, we know this parent's parent's type, we may as
4681                          * well copy it instead of going up the full way */
4682                         if (cur->parent_stype != -1) {
4683                                 item->parent_stype = cur->parent_stype;
4684                                 break;
4685                         }
4686                         /* we found a parent that has a special type. That's
4687                          * our parent type. */
4688                         if (cur->stype != F_NORMAL) {
4689                                 cur->parent_stype = cur->stype;
4690                                 item->parent_stype = cur->stype;
4691                                 break;
4692                         }
4693                         /* if we didn't find anything, go up once more */
4694                         cur = folder_item_parent(cur);
4695                 }
4696                 /* as we still didn't find anything, our parents must all be
4697                  * normal. */
4698                 if (item->parent_stype == -1) {
4699                         item->parent_stype = F_NORMAL;
4700                 }
4701         }
4702         return FALSE;
4703 }
4704
4705 gboolean folder_is_child_of(FolderItem *item, FolderItem *parent)
4706 {
4707         if (item == NULL || parent == NULL)
4708                 return FALSE;
4709
4710         while (item != NULL) {
4711                 if (parent == item)
4712                         return TRUE;
4713
4714                 item = folder_item_parent(item);
4715         }
4716
4717         return FALSE;
4718 }
4719
4720
4721 gboolean folder_subscribe (const gchar *uri)
4722 {
4723         GList *cur;
4724         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4725                 Folder *folder = (Folder *) cur->data;
4726
4727                 if (folder->klass->subscribe
4728                 &&  folder->klass->subscribe(folder, uri)) {
4729                         return TRUE;
4730                 }
4731         }
4732         return FALSE;
4733
4734 }
4735
4736 gboolean folder_get_sort_type           (Folder         *folder,
4737                                          FolderSortKey  *sort_key,
4738                                          FolderSortType *sort_type)
4739 {
4740         if (!folder || !sort_key || !sort_type)
4741                 return FALSE;
4742         if (folder->klass->get_sort_type == NULL)
4743                 return FALSE;
4744         folder->klass->get_sort_type(folder, sort_key, sort_type);
4745         return TRUE;
4746 }
4747
4748 gint folder_item_search_msgs    (Folder                 *folder,
4749                                  FolderItem             *container,
4750                                  MsgNumberList          **msgs,
4751                                  gboolean               *on_server,
4752                                  MatcherList            *predicate,
4753                                  SearchProgressNotify   progress_cb,
4754                                  gpointer               progress_data)
4755 {
4756         gint result = -1;
4757
4758         folder_item_update_freeze();
4759
4760         if (folder->klass->search_msgs)
4761                 result = folder->klass->search_msgs(folder, container,
4762                                 msgs, on_server, predicate, progress_cb, progress_data);
4763         if (result < 0)
4764                 result = folder_item_search_msgs_local(folder, container,
4765                                 msgs, on_server, predicate, progress_cb, progress_data);
4766
4767         folder_item_update_thaw();
4768
4769         return result;
4770 }
4771
4772 MsgNumberList *folder_item_get_number_list(FolderItem *item)
4773 {
4774         GSList *nums = NULL;
4775         GSList *msglist = folder_item_get_msg_list(item);
4776
4777         nums = procmsg_get_number_list_for_msgs(msglist);
4778         procmsg_msg_list_free(msglist);
4779
4780         return nums;
4781 }
4782
4783 gint folder_item_search_msgs_local      (Folder                 *folder,
4784                                          FolderItem             *container,
4785                                          MsgNumberList          **msgs,
4786                                          gboolean               *on_server,
4787                                          MatcherList            *predicate,
4788                                          SearchProgressNotify   progress_cb,
4789                                          gpointer               progress_data)
4790 {
4791         GSList *result = NULL;
4792         GSList *cur = NULL;
4793         gint matched_count = 0;
4794         guint processed_count = 0;
4795         gint msgcount;
4796         GSList *nums = NULL;
4797
4798         if (*msgs == NULL) {
4799                 nums = folder_item_get_number_list(container);
4800         } else {
4801                 nums = *msgs;
4802         }
4803
4804         msgcount = g_slist_length(nums);
4805
4806         if (msgcount < 0)
4807                 return -1;
4808
4809         for (cur = nums; cur != NULL; cur = cur->next) {
4810                 guint msgnum = GPOINTER_TO_UINT(cur->data);
4811                 MsgInfo *msg = folder_item_get_msginfo(container, msgnum);
4812
4813                 if (msg == NULL) {
4814                         g_slist_free(result);
4815                         return -1;
4816                 }
4817
4818                 if (matcherlist_match(predicate, msg)) {
4819                         result = g_slist_prepend(result, GUINT_TO_POINTER(msg->msgnum));
4820                         matched_count++;
4821                 }
4822                 processed_count++;
4823
4824                 if (progress_cb != NULL
4825                     && !progress_cb(progress_data, FALSE, processed_count,
4826                             matched_count, msgcount))
4827                         break;
4828         }
4829
4830         g_slist_free(nums);
4831         *msgs = g_slist_reverse(result);
4832
4833         return matched_count;
4834 }
4835