src/folder.c

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