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