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