src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 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 Folder *folder_find_from_identifier(const gchar *identifier)
1384 {
1385         gchar *str;
1386         gchar *p;
1387         gchar *name;
1388         FolderClass *class;
1389
1390         cm_return_val_if_fail(identifier != NULL, NULL);
1391
1392         if (*identifier != '#')
1393                 return NULL;
1394
1395         Xstrdup_a(str, identifier, return NULL);
1396
1397         p = strchr(str, '/');
1398         if (!p)
1399                 return NULL;
1400         *p = '\0';
1401         p++;
1402         class = folder_get_class_from_string(&str[1]);
1403         if (class == NULL)
1404                 return NULL;
1405
1406         name = p;
1407         p = strchr(p, '/');
1408         if (p)
1409                 return NULL;
1410
1411         return folder_find_from_name(name, class);
1412 }
1413
1414 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1415 {
1416         Folder *folder;
1417         gpointer d[2];
1418         gchar *str;
1419         gchar *p;
1420         gchar *name;
1421         gchar *path;
1422         FolderClass *class;
1423
1424         cm_return_val_if_fail(identifier != NULL, NULL);
1425
1426         if (*identifier != '#')
1427                 return folder_find_item_from_path(identifier);
1428
1429         Xstrdup_a(str, identifier, return NULL);
1430
1431         p = strchr(str, '/');
1432         if (!p)
1433                 return folder_find_item_from_path(identifier);
1434         *p = '\0';
1435         p++;
1436         class = folder_get_class_from_string(&str[1]);
1437         if (class == NULL)
1438                 return folder_find_item_from_path(identifier);
1439
1440         name = p;
1441         p = strchr(p, '/');
1442         if (!p)
1443                 return folder_find_item_from_path(identifier);
1444         *p = '\0';
1445         p++;
1446
1447         folder = folder_find_from_name(name, class);
1448         if (!folder)
1449                 return folder_find_item_from_path(identifier);
1450
1451         path = p;
1452
1453         d[0] = (gpointer)path;
1454         d[1] = NULL;
1455         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1456                         folder_item_find_func, d);
1457         return d[1];
1458 }
1459
1460 /** Returns the FolderItem from a given identifier
1461  *
1462  * The FolderItem is created if it doesn't already exist.
1463  * If creation failed, the function returns NULL.
1464  *
1465  * Identifiers are of the form #type/Mailbox/FolderA/FolderB/FolderC
1466  */
1467 FolderItem *folder_get_item_from_identifier(const gchar *identifier)
1468 {
1469         FolderItem *item, *last_parent;
1470         Folder *folder;
1471         gchar *p1, *p2, *str;
1472         size_t len;
1473         FolderClass *class;
1474         gboolean created_something = FALSE;
1475
1476         item = folder_find_item_from_identifier(identifier);
1477         if(item)
1478                 return item;
1479
1480         /* trivial sanity check: need at least # and two slashes */
1481         len = strlen(identifier);
1482         if(len < 3)
1483                 return NULL;
1484
1485         /* make sure identifier ends with a slash */
1486         if(identifier[len-1] == G_DIR_SEPARATOR) {
1487                 Xstrdup_a(str, identifier, return NULL);
1488         }
1489         else {
1490                 Xstrndup_a(str, identifier, len+1, return NULL);
1491                 str[len] = G_DIR_SEPARATOR;
1492         }
1493
1494         /* find folder class */
1495         p1 = strchr(str, G_DIR_SEPARATOR);
1496         if(!p1)
1497                 return NULL;
1498         *p1 = '\0';
1499         class = folder_get_class_from_string(&str[1]);
1500         if(!class)
1501                 return NULL;
1502         *p1 = G_DIR_SEPARATOR;
1503         ++p1;
1504
1505         /* find folder from class and name */
1506         p2 = strchr(p1, G_DIR_SEPARATOR);
1507         if(!p2)
1508                 return NULL;
1509         *p2 = '\0';
1510         folder = folder_find_from_name(p1, class);
1511         if(!folder)
1512                 return NULL;
1513         *p2 = G_DIR_SEPARATOR;
1514         ++p2;
1515         p1 = p2;
1516
1517         /* Now, move forward and make sure all sections in the path exist */
1518         last_parent = folder->node->data;
1519         while((p1 = strchr(p1, G_DIR_SEPARATOR)) != NULL) {
1520                 *p1 = '\0';
1521                 item = folder_find_item_from_identifier(str);
1522                 if(!item) {
1523                         item = folder_create_folder(last_parent, p2);
1524                         if(!item)
1525                                 return NULL;
1526                         debug_print("Created folder '%s'\n", str);
1527                         created_something = TRUE;
1528                         if(prefs_common.inherit_folder_props && (last_parent != item->folder->node->data)) {
1529                                 folder_item_prefs_copy_prefs(last_parent, item);
1530                         }
1531                 }
1532                 last_parent = item;
1533                 *p1 = G_DIR_SEPARATOR;
1534                 ++p1;
1535                 p2 = p1;
1536         }
1537
1538         if(created_something)
1539                 folder_write_list();
1540
1541         return item;
1542 }
1543
1544
1545 /**
1546  * Get a displayable name for a FolderItem
1547  *
1548  * \param item FolderItem for that a name should be created
1549  * \return Displayable name for item, returned string has to
1550  *         be freed
1551  */
1552 gchar *folder_item_get_name(FolderItem *item)
1553 {
1554         gchar *name = NULL;
1555
1556         cm_return_val_if_fail(item != NULL, g_strdup(""));
1557
1558         switch (item->stype) {
1559         case F_INBOX:
1560                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1561                                 item->name);
1562                 break;
1563         case F_OUTBOX:
1564                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1565                                 item->name);
1566                 break;
1567         case F_QUEUE:
1568                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1569                                 item->name);
1570                 break;
1571         case F_TRASH:
1572                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1573                                 item->name);
1574                 break;
1575         case F_DRAFT:
1576                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1577                                 item->name);
1578                 break;
1579         default:
1580                 break;
1581         }
1582
1583         if (name == NULL) {
1584                 /*
1585                  * should probably be done by a virtual function,
1586                  * the folder knows the ui string and how to abbrev
1587                 */
1588                 if (folder_item_parent(item) == NULL) {
1589                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1590                 } else {
1591                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1592                             item->path && !strcmp2(item->name, item->path))
1593                                 name = get_abbrev_newsgroup_name
1594                                         (item->path,
1595                                          prefs_common.ng_abbrev_len);
1596                         else
1597                                 name = g_strdup(item->name);
1598                 }
1599         }
1600
1601         if (name == NULL)
1602                 name = g_strdup("");
1603
1604         return name;
1605 }
1606
1607 gboolean folder_have_mailbox (void)
1608 {
1609         GList *cur;
1610         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1611                 Folder *folder = FOLDER(cur->data);
1612                 if (folder->inbox && folder->outbox)
1613                         return TRUE;
1614         }
1615         return FALSE;
1616 }
1617
1618 FolderItem *folder_get_default_inbox(void)
1619 {
1620         GList *flist;
1621
1622         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1623                 Folder * folder = FOLDER(flist->data);
1624
1625                 if (folder == NULL)
1626                         continue;
1627                 if (folder->inbox == NULL)
1628                         continue;
1629                 if (folder->klass->type == F_UNKNOWN)
1630                         continue;
1631
1632                 return folder->inbox;
1633         }
1634
1635         return NULL;
1636 }
1637
1638 FolderItem *folder_get_default_inbox_for_class(FolderType type)
1639 {
1640         GList *flist;
1641
1642         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1643                 Folder * folder = FOLDER(flist->data);
1644
1645                 if (folder == NULL)
1646                         continue;
1647                 if (folder->inbox == NULL)
1648                         continue;
1649                 if (folder->klass->type != type)
1650                         continue;
1651
1652                 return folder->inbox;
1653         }
1654
1655         return NULL;
1656 }
1657
1658 FolderItem *folder_get_default_outbox(void)
1659 {
1660         GList *flist;
1661
1662         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1663                 Folder * folder = FOLDER(flist->data);
1664
1665                 if (folder == NULL)
1666                         continue;
1667                 if (folder->outbox == NULL)
1668                         continue;
1669                 if (folder->klass->type == F_UNKNOWN)
1670                         continue;
1671
1672                 return folder->outbox;
1673         }
1674
1675         return NULL;
1676 }
1677
1678 FolderItem *folder_get_default_outbox_for_class(FolderType type)
1679 {
1680         GList *flist;
1681
1682         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1683                 Folder * folder = FOLDER(flist->data);
1684
1685                 if (folder == NULL)
1686                         continue;
1687                 if (folder->outbox == NULL)
1688                         continue;
1689                 if (folder->klass->type != type)
1690                         continue;
1691
1692                 return folder->outbox;
1693         }
1694
1695         return NULL;
1696 }
1697
1698 FolderItem *folder_get_default_draft(void)
1699 {
1700         GList *flist;
1701
1702         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1703                 Folder * folder = FOLDER(flist->data);
1704
1705                 if (folder == NULL)
1706                         continue;
1707                 if (folder->draft == NULL)
1708                         continue;
1709                 if (folder->klass->type == F_UNKNOWN)
1710                         continue;
1711
1712                 return folder->draft;
1713         }
1714
1715         return NULL;
1716 }
1717
1718 FolderItem *folder_get_default_draft_for_class(FolderType type)
1719 {
1720         GList *flist;
1721
1722         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1723                 Folder * folder = FOLDER(flist->data);
1724
1725                 if (folder == NULL)
1726                         continue;
1727                 if (folder->draft == NULL)
1728                         continue;
1729                 if (folder->klass->type != type)
1730                         continue;
1731
1732                 return folder->draft;
1733         }
1734
1735         return NULL;
1736 }
1737
1738 FolderItem *folder_get_default_queue(void)
1739 {
1740         GList *flist;
1741
1742         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1743                 Folder * folder = FOLDER(flist->data);
1744
1745                 if (folder == NULL)
1746                         continue;
1747                 if (folder->queue == NULL)
1748                         continue;
1749                 if (folder->klass->type == F_UNKNOWN)
1750                         continue;
1751
1752                 return folder->queue;
1753         }
1754
1755         return NULL;
1756 }
1757
1758 FolderItem *folder_get_default_queue_for_class(FolderType type)
1759 {
1760         GList *flist;
1761
1762         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1763                 Folder * folder = FOLDER(flist->data);
1764
1765                 if (folder == NULL)
1766                         continue;
1767                 if (folder->queue == NULL)
1768                         continue;
1769                 if (folder->klass->type != type)
1770                         continue;
1771
1772                 return folder->queue;
1773         }
1774
1775         return NULL;
1776 }
1777
1778 FolderItem *folder_get_default_trash(void)
1779 {
1780         GList *flist;
1781
1782         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1783                 Folder * folder = FOLDER(flist->data);
1784
1785                 if (folder == NULL)
1786                         continue;
1787                 if (folder->trash == NULL)
1788                         continue;
1789                 if (folder->klass->type == F_UNKNOWN)
1790                         continue;
1791
1792                 return folder->trash;
1793         }
1794
1795         return NULL;
1796 }
1797
1798 FolderItem *folder_get_default_trash_for_class(FolderType type)
1799 {
1800         GList *flist;
1801
1802         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1803                 Folder * folder = FOLDER(flist->data);
1804
1805                 if (folder == NULL)
1806                         continue;
1807                 if (folder->trash == NULL)
1808                         continue;
1809                 if (folder->klass->type != type)
1810                         continue;
1811
1812                 return folder->trash;
1813         }
1814
1815         return NULL;
1816 }
1817
1818 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1819 {                                                               \
1820         if (!folder->member) {                                  \
1821                 item = folder_item_new(folder, dir, dir);       \
1822                 item->stype = type;                             \
1823                 folder_item_append(rootitem, item);             \
1824                 folder->member = item;                          \
1825         }                                                       \
1826 }
1827
1828 void folder_set_missing_folders(void)
1829 {
1830         Folder *folder;
1831         FolderItem *rootitem;
1832         FolderItem *item;
1833         GList *list;
1834
1835         for (list = folder_list; list != NULL; list = list->next) {
1836                 folder = list->data;
1837                 if (FOLDER_TYPE(folder) != F_MH) continue;
1838                 rootitem = FOLDER_ITEM(folder->node->data);
1839                 cm_return_if_fail(rootitem != NULL);
1840
1841                 if (folder->inbox && folder->outbox && folder->draft &&
1842                     folder->queue && folder->trash)
1843                         continue;
1844
1845                 if (folder->klass->create_tree(folder) < 0) {
1846                         g_warning("%s: can't create the folder tree.\n",
1847                                   LOCAL_FOLDER(folder)->rootpath);
1848                         continue;
1849                 }
1850
1851                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1852                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1853                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1854                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1855                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1856         }
1857 }
1858
1859 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1860 {
1861         FolderItem *item = node->data;
1862         PrefsAccount *account = data;
1863
1864         if (item->account == account)
1865                 item->account = NULL;
1866
1867         return FALSE;
1868 }
1869
1870 void folder_unref_account_all(PrefsAccount *account)
1871 {
1872         Folder *folder;
1873         GList *list;
1874
1875         if (!account) return;
1876
1877         for (list = folder_list; list != NULL; list = list->next) {
1878                 folder = list->data;
1879                 if (folder->account == account)
1880                         folder->account = NULL;
1881                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1882                                 folder_unref_account_func, account);
1883         }
1884 }
1885
1886 #undef CREATE_FOLDER_IF_NOT_EXIST
1887
1888 gchar *folder_item_get_path(FolderItem *item)
1889 {
1890         Folder *folder;
1891
1892         cm_return_val_if_fail(item != NULL, NULL);
1893         folder = item->folder;
1894         cm_return_val_if_fail(folder != NULL, NULL);
1895
1896         return folder->klass->item_get_path(folder, item);
1897 }
1898
1899 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1900 {
1901         MsgInfo *msginfo_a = (MsgInfo *) a;
1902         MsgInfo *msginfo_b = (MsgInfo *) b;
1903
1904         return (msginfo_a->msgnum - msginfo_b->msgnum);
1905 }
1906
1907 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1908 {
1909         guint gint_a = GPOINTER_TO_INT(a);
1910         guint gint_b = GPOINTER_TO_INT(b);
1911
1912         return (gint_a - gint_b);
1913 }
1914
1915 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1916 {
1917         GHashTable *relation;
1918         gint ret = 0;
1919         GSList *cur;
1920
1921         if(msglist == NULL)
1922                 return 0;
1923         if(item->folder->klass->get_flags == NULL)
1924                 return 0;
1925         if (item->no_select)
1926                 return 0;
1927
1928         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
1929         if ((ret = item->folder->klass->get_flags(
1930             item->folder, item, msglist, relation)) == 0) {
1931                 gpointer data, old_key;
1932                 MsgInfo *msginfo;
1933                 MsgPermFlags permflags = 0;
1934
1935                 folder_item_update_freeze();
1936                 folder_item_set_batch(item, TRUE);
1937                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1938                         msginfo = (MsgInfo *) cur->data;
1939
1940                         if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data)) {
1941                                 permflags = GPOINTER_TO_INT(data);
1942
1943                                 if (msginfo->flags.perm_flags != permflags) {
1944                                         procmsg_msginfo_change_flags(msginfo,
1945                                                 permflags & ~msginfo->flags.perm_flags, 0,
1946                                                 ~permflags & msginfo->flags.perm_flags, 0);
1947                                 }
1948                         }
1949                 }
1950                 folder_item_set_batch(item, FALSE);
1951                 folder_item_update_thaw();
1952         }
1953         g_hash_table_destroy(relation);
1954
1955         return ret;
1956 }
1957
1958 static gint folder_item_syncronize_flags(FolderItem *item)
1959 {
1960         MsgInfoList *msglist = NULL;
1961         GSList *cur;
1962         gint ret = 0;
1963
1964         cm_return_val_if_fail(item != NULL, -1);
1965         cm_return_val_if_fail(item->folder != NULL, -1);
1966         cm_return_val_if_fail(item->folder->klass != NULL, -1);
1967         if (item->no_select)
1968                 return -1;
1969
1970         item->scanning = ITEM_SCANNING_WITH_FLAGS;
1971
1972         if (item->cache == NULL)
1973                 folder_item_read_cache(item);
1974
1975         msglist = msgcache_get_msg_list(item->cache);
1976
1977         ret = syncronize_flags(item, msglist);
1978
1979         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1980                 procmsg_msginfo_free((MsgInfo *) cur->data);
1981
1982         g_slist_free(msglist);
1983
1984         item->scanning = ITEM_NOT_SCANNING;
1985
1986         return ret;
1987 }
1988
1989 static void folder_item_process_open (FolderItem *item,
1990                                  void (*before_proc_func)(gpointer data),
1991                                  void (*after_proc_func)(gpointer data),
1992                                  gpointer data)
1993 {
1994         gchar *buf;
1995         if (item == NULL)
1996                 return;
1997         if((item->folder->klass->scan_required != NULL) &&
1998            (item->folder->klass->scan_required(item->folder, item))) {
1999                 folder_item_scan_full(item, TRUE);
2000         } else {
2001                 folder_item_syncronize_flags(item);
2002         }
2003
2004         /* Processing */
2005         if (item->prefs->enable_processing_when_opening) {
2006                 buf = g_strdup_printf(_("Processing (%s)...\n"),
2007                               item->path ? item->path : item->name);
2008                 g_free(buf);
2009
2010                 if (before_proc_func)
2011                         before_proc_func(data);
2012
2013                 folder_item_apply_processing(item);
2014
2015                 if (after_proc_func)
2016                         after_proc_func(data);
2017         }
2018         item->processing_pending = FALSE;
2019         return;
2020 }
2021
2022 gint folder_item_open(FolderItem *item)
2023 {
2024         START_TIMING("");
2025         if (item->no_select)
2026                 return -1;
2027
2028         if (item->scanning != ITEM_NOT_SCANNING) {
2029                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
2030                 return -2;
2031         }
2032
2033         item->processing_pending = TRUE;
2034         folder_item_process_open (item, NULL, NULL, NULL);
2035
2036         item->opened = TRUE;
2037         END_TIMING();
2038         return 0;
2039 }
2040
2041 gint folder_item_close(FolderItem *item)
2042 {
2043         GSList *mlist, *cur;
2044         Folder *folder;
2045
2046         cm_return_val_if_fail(item != NULL, -1);
2047
2048         if (item->no_select)
2049                 return -1;
2050
2051         if (item->new_msgs) {
2052                 folder_item_update_freeze();
2053                 mlist = folder_item_get_msg_list(item);
2054                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
2055                         MsgInfo * msginfo;
2056
2057                         msginfo = (MsgInfo *) cur->data;
2058                         if (MSG_IS_NEW(msginfo->flags))
2059                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
2060                         procmsg_msginfo_free(msginfo);
2061                 }
2062                 g_slist_free(mlist);
2063                 folder_item_update_thaw();
2064         }
2065
2066         folder_item_write_cache(item);
2067
2068         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
2069
2070         item->opened = FALSE;
2071         folder = item->folder;
2072
2073         if (folder->klass->close == NULL)
2074                 return 0;
2075
2076         return folder->klass->close(folder, item);
2077 }
2078
2079 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
2080 {
2081         MsgInfoList *msglist = NULL;
2082         Folder *folder = item->folder;
2083         if (item->no_select)
2084                 return NULL;
2085
2086         if (folder->klass->get_msginfos != NULL)
2087                 msglist = folder->klass->get_msginfos(folder, item, numlist);
2088         else {
2089                 MsgNumberList *elem;
2090
2091                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
2092                         MsgInfo *msginfo;
2093                         guint num;
2094
2095                         num = GPOINTER_TO_INT(elem->data);
2096                         msginfo = folder->klass->get_msginfo(folder, item, num);
2097                         if (msginfo != NULL)
2098                                 msglist = g_slist_prepend(msglist, msginfo);
2099                 }
2100         }
2101
2102         return msglist;
2103 }
2104
2105 static MsgInfo *get_msginfo(FolderItem *item, guint num)
2106 {
2107         MsgNumberList numlist;
2108         MsgInfoList *msglist;
2109         MsgInfo *msginfo = NULL;
2110
2111         numlist.data = GINT_TO_POINTER(num);
2112         numlist.next = NULL;
2113         msglist = get_msginfos(item, &numlist);
2114         if (msglist != NULL)
2115                 msginfo = procmsg_msginfo_new_ref(msglist->data);
2116         procmsg_msg_list_free(msglist);
2117
2118         return msginfo;
2119 }
2120
2121 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
2122 {
2123         Folder *folder;
2124         GSList *folder_list = NULL, *cache_list = NULL;
2125         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
2126         GSList *exists_list = NULL, *elem;
2127         GSList *newmsg_list = NULL;
2128         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
2129         guint markedcnt = 0, unreadmarkedcnt = 0;
2130         guint repliedcnt = 0, forwardedcnt = 0;
2131         guint lockedcnt = 0, ignoredcnt = 0, watchedcnt = 0;
2132
2133         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
2134         gboolean update_flags = 0, old_uids_valid = FALSE;
2135         GHashTable *subject_table = NULL;
2136
2137         cm_return_val_if_fail(item != NULL, -1);
2138         if (item->path == NULL) return -1;
2139
2140         folder = item->folder;
2141
2142         cm_return_val_if_fail(folder != NULL, -1);
2143         cm_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
2144
2145         item->scanning = ITEM_SCANNING_WITH_FLAGS;
2146
2147         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
2148
2149         /* Get list of messages for folder and cache */
2150         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
2151                 debug_print("Error fetching list of message numbers\n");
2152                 item->scanning = ITEM_NOT_SCANNING;
2153                 return(-1);
2154         }
2155
2156         if(prefs_common.thread_by_subject) {
2157                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
2158         }
2159
2160         if (old_uids_valid) {
2161                 if (!item->cache)
2162                         folder_item_read_cache(item);
2163                 cache_list = msgcache_get_msg_list(item->cache);
2164         } else {
2165                 if (item->cache)
2166                         msgcache_destroy(item->cache);
2167                 item->cache = msgcache_new();
2168                 item->cache_dirty = TRUE;
2169                 item->mark_dirty = TRUE;
2170                 item->tags_dirty = TRUE;
2171                 cache_list = NULL;
2172         }
2173
2174         /* Sort both lists */
2175         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
2176         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
2177
2178         cache_list_cur = cache_list;
2179         folder_list_cur = folder_list;
2180
2181         if (cache_list_cur != NULL) {
2182                 GSList *cache_list_last;
2183
2184                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2185                 cache_list_last = g_slist_last(cache_list);
2186                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
2187         } else {
2188                 cache_cur_num = G_MAXINT;
2189                 cache_max_num = 0;
2190         }
2191
2192         if (folder_list_cur != NULL) {
2193                 GSList *folder_list_last;
2194
2195                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2196                 folder_list_last = g_slist_last(folder_list);
2197                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
2198         } else {
2199                 folder_cur_num = G_MAXINT;
2200                 folder_max_num = 0;
2201         }
2202
2203         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
2204                 /*
2205                  *  Message only exists in the folder
2206                  *  Remember message for fetching
2207                  */
2208                 if (folder_cur_num < cache_cur_num) {
2209                         gboolean add = FALSE;
2210
2211                         switch(FOLDER_TYPE(folder)) {
2212                                 case F_NEWS:
2213                                         if (folder_cur_num < cache_max_num)
2214                                                 break;
2215
2216                                         if (folder->account->max_articles == 0) {
2217                                                 add = TRUE;
2218                                         }
2219
2220                                         if (folder_max_num <= folder->account->max_articles) {
2221                                                 add = TRUE;
2222                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
2223                                                 add = TRUE;
2224                                         }
2225                                         break;
2226                                 default:
2227                                         add = TRUE;
2228                                         break;
2229                         }
2230
2231                         if (add) {
2232                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
2233                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
2234                         }
2235
2236                         /* Move to next folder number */
2237                         if (folder_list_cur)
2238                                 folder_list_cur = folder_list_cur->next;
2239
2240                         if (folder_list_cur != NULL)
2241                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2242                         else
2243                                 folder_cur_num = G_MAXINT;
2244
2245                         continue;
2246                 }
2247
2248                 /*
2249                  *  Message only exists in the cache
2250                  *  Remove the message from the cache
2251                  */
2252                 if (cache_cur_num < folder_cur_num) {
2253                         msgcache_remove_msg(item->cache, cache_cur_num);
2254                         debug_print("Removed message %d from cache.\n", cache_cur_num);
2255
2256                         /* Move to next cache number */
2257                         if (cache_list_cur)
2258                                 cache_list_cur = cache_list_cur->next;
2259
2260                         if (cache_list_cur != NULL)
2261                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2262                         else
2263                                 cache_cur_num = G_MAXINT;
2264
2265                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2266
2267                         continue;
2268                 }
2269
2270                 /*
2271                  *  Message number exists in folder and cache!
2272                  *  Check if the message has been modified
2273                  */
2274                 if (cache_cur_num == folder_cur_num) {
2275                         MsgInfo *msginfo;
2276
2277                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
2278                         if (msginfo && folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
2279                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2280                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
2281                                 procmsg_msginfo_free(msginfo);
2282
2283                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
2284                         } else if (msginfo) {
2285                                 exists_list = g_slist_prepend(exists_list, msginfo);
2286
2287                                 if(prefs_common.thread_by_subject &&
2288                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2289                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2290                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2291                                 }
2292                         }
2293
2294                         /* Move to next folder and cache number */
2295                         if (cache_list_cur)
2296                                 cache_list_cur = cache_list_cur->next;
2297
2298                         if (folder_list_cur)
2299                                 folder_list_cur = folder_list_cur->next;
2300
2301                         if (cache_list_cur != NULL)
2302                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2303                         else
2304                                 cache_cur_num = G_MAXINT;
2305
2306                         if (folder_list_cur != NULL)
2307                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2308                         else
2309                                 folder_cur_num = G_MAXINT;
2310
2311                         continue;
2312                 }
2313         }
2314
2315         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
2316                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
2317
2318         g_slist_free(cache_list);
2319         g_slist_free(folder_list);
2320
2321         if (new_list != NULL) {
2322                 GSList *tmp_list = NULL;
2323                 newmsg_list = get_msginfos(item, new_list);
2324                 g_slist_free(new_list);
2325                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
2326                 syncronize_flags(item, tmp_list);
2327                 g_slist_free(tmp_list);
2328         } else {
2329                 syncronize_flags(item, exists_list);
2330         }
2331
2332         folder_item_update_freeze();
2333
2334         item->scanning = ITEM_SCANNING;
2335
2336         if (newmsg_list != NULL) {
2337                 GSList *elem, *to_filter = NULL;
2338                 gboolean do_filter = (filtering == TRUE) &&
2339                                         (item->stype == F_INBOX) &&
2340                                         (item->folder->account != NULL) &&
2341                                         (item->folder->account->filter_on_recv);
2342
2343                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
2344                         MsgInfo *msginfo = (MsgInfo *) elem->data;
2345
2346                         msgcache_add_msg(item->cache, msginfo);
2347                         if (!do_filter) {
2348                                 exists_list = g_slist_prepend(exists_list, msginfo);
2349
2350                                 if(prefs_common.thread_by_subject &&
2351                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2352                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2353                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2354                                 }
2355                         }
2356                 }
2357
2358                 if (do_filter) {
2359                         GSList *unfiltered;
2360
2361                         folder_item_set_batch(item, TRUE);
2362                         procmsg_msglist_filter(newmsg_list, item->folder->account,
2363                                         &to_filter, &unfiltered,
2364                                         TRUE);
2365                         folder_item_set_batch(item, FALSE);
2366
2367                         filtering_move_and_copy_msgs(newmsg_list);
2368                         if (to_filter != NULL) {
2369                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
2370                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2371                                         procmsg_msginfo_free(msginfo);
2372                                 }
2373                                 g_slist_free(to_filter);
2374                         }
2375                         if (unfiltered != NULL) {
2376                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
2377                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2378                                         exists_list = g_slist_prepend(exists_list, msginfo);
2379
2380                                         if(prefs_common.thread_by_subject &&
2381                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2382                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
2383                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
2384                                         }
2385                                 }
2386                                 g_slist_free(unfiltered);
2387                         }
2388                         if (prefs_common.real_time_sync)
2389                                 folder_item_synchronise(item);
2390                 } else {
2391                         if (prefs_common.real_time_sync)
2392                                 folder_item_synchronise(item);
2393                 }
2394
2395                 g_slist_free(newmsg_list);
2396
2397                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2398         }
2399
2400         folder_item_set_batch(item, TRUE);
2401         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
2402                 MsgInfo *msginfo, *parent_msginfo;
2403
2404                 msginfo = elem->data;
2405                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2406                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2407                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2408                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2409                 }
2410                 if (!MSG_IS_WATCH_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_WATCH_THREAD)) {
2411                         procmsg_msginfo_set_flags(msginfo, MSG_WATCH_THREAD, 0);
2412                 }
2413                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2414                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2415                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2416                 {
2417                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2418                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2419                                                 MSG_NEW | MSG_UNREAD, 0);
2420                         }
2421                 }
2422                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2423                      folder_has_parent_of_type(item, F_QUEUE)  ||
2424                      folder_has_parent_of_type(item, F_DRAFT)  ||
2425                      folder_has_parent_of_type(item, F_TRASH)) &&
2426                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2427                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2428                 if (MSG_IS_NEW(msginfo->flags))
2429                         newcnt++;
2430                 if (MSG_IS_UNREAD(msginfo->flags))
2431                         unreadcnt++;
2432                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2433                         unreadmarkedcnt++;
2434                 if (MSG_IS_MARKED(msginfo->flags))
2435                         markedcnt++;
2436                 if (MSG_IS_REPLIED(msginfo->flags))
2437                         repliedcnt++;
2438                 if (MSG_IS_FORWARDED(msginfo->flags))
2439                         forwardedcnt++;
2440                 if (MSG_IS_LOCKED(msginfo->flags))
2441                         lockedcnt++;
2442                 if (MSG_IS_IGNORE_THREAD(msginfo->flags))
2443                         ignoredcnt++;
2444                 if (MSG_IS_WATCH_THREAD(msginfo->flags))
2445                         watchedcnt++;
2446
2447                 totalcnt++;
2448
2449                 procmsg_msginfo_free(msginfo);
2450         }
2451         folder_item_set_batch(item, FALSE);
2452         g_slist_free(exists_list);
2453
2454         if(prefs_common.thread_by_subject) {
2455                 g_hash_table_destroy(subject_table);
2456         }
2457
2458         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2459         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2460         ||  item->unreadmarked_msgs != unreadmarkedcnt
2461         ||  item->replied_msgs != repliedcnt || item->forwarded_msgs != forwardedcnt
2462         ||  item->locked_msgs != lockedcnt || item->ignored_msgs != ignoredcnt
2463         ||  item->watched_msgs != watchedcnt) {
2464                 update_flags |= F_ITEM_UPDATE_CONTENT;
2465         }
2466
2467         item->new_msgs = newcnt;
2468         item->unread_msgs = unreadcnt;
2469         item->total_msgs = totalcnt;
2470         item->unreadmarked_msgs = unreadmarkedcnt;
2471         item->marked_msgs = markedcnt;
2472         item->replied_msgs = repliedcnt;
2473         item->forwarded_msgs = forwardedcnt;
2474         item->locked_msgs = lockedcnt;
2475         item->ignored_msgs = ignoredcnt;
2476         item->watched_msgs = watchedcnt;
2477
2478         update_flags |= F_ITEM_UPDATE_MSGCNT;
2479
2480         folder_item_update(item, update_flags);
2481         folder_item_update_thaw();
2482
2483         item->scanning = ITEM_NOT_SCANNING;
2484
2485         return 0;
2486 }
2487
2488 gint folder_item_scan(FolderItem *item)
2489 {
2490         return folder_item_scan_full(item, TRUE);
2491 }
2492
2493 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2494 {
2495         gint *memusage = (gint *)data;
2496
2497         if (item->cache == NULL)
2498                 return;
2499
2500         *memusage += msgcache_get_memory_usage(item->cache);
2501 }
2502
2503 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2504 {
2505         FolderItem *fa = (FolderItem *)a;
2506         FolderItem *fb = (FolderItem *)b;
2507
2508         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2509 }
2510
2511 static void folder_find_expired_caches(FolderItem *item, gpointer data)
2512 {
2513         GSList **folder_item_list = (GSList **)data;
2514         gint difftime, expiretime;
2515
2516         if (item->cache == NULL)
2517                 return;
2518
2519         if (item->opened > 0)
2520                 return;
2521
2522         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2523         expiretime = prefs_common.cache_min_keep_time * 60;
2524         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2525
2526         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2527                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2528         }
2529 }
2530
2531 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2532 {
2533         cm_return_val_if_fail(item != NULL, TRUE);
2534
2535         if (item->cache == NULL)
2536                 return TRUE;
2537
2538         if (item->opened > 0 && !force)
2539                 return FALSE;
2540
2541         folder_item_write_cache(item);
2542         msgcache_destroy(item->cache);
2543         item->cache = NULL;
2544         return TRUE;
2545 }
2546
2547 void folder_clean_cache_memory_force(void)
2548 {
2549         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2550         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2551
2552         prefs_common.cache_max_mem_usage = 0;
2553         prefs_common.cache_min_keep_time = 0;
2554
2555         folder_clean_cache_memory(NULL);
2556
2557         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2558         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2559 }
2560
2561 void folder_clean_cache_memory(FolderItem *protected_item)
2562 {
2563         gint memusage = 0;
2564
2565         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2566         debug_print("Total cache memory usage: %d\n", memusage);
2567
2568         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2569                 GSList *folder_item_list = NULL, *listitem;
2570
2571                 debug_print("Trying to free cache memory\n");
2572
2573                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2574                 listitem = folder_item_list;
2575                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2576                         FolderItem *item = (FolderItem *)(listitem->data);
2577                         gint cache_size = 0;
2578                         if (item == protected_item) {
2579                                 listitem = listitem->next;
2580                                 continue;
2581                         }
2582                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2583                         cache_size = msgcache_get_memory_usage(item->cache);
2584                         if (folder_item_free_cache(item, FALSE))
2585                                 memusage -= cache_size;
2586
2587                         listitem = listitem->next;
2588                 }
2589                 g_slist_free(folder_item_list);
2590         }
2591 }
2592
2593 static void folder_item_remove_cached_msg(FolderItem *item, MsgInfo *msginfo)
2594 {
2595         Folder *folder = item->folder;
2596
2597         cm_return_if_fail(folder != NULL);
2598
2599         if (folder->klass->remove_cached_msg == NULL)
2600                 return;
2601
2602         folder->klass->remove_cached_msg(folder, item, msginfo);
2603 }
2604
2605 static void folder_item_clean_local_files(FolderItem *item, gint days)
2606 {
2607         cm_return_if_fail(item != NULL);
2608         cm_return_if_fail(item->folder != NULL);
2609
2610         if (FOLDER_TYPE(item->folder) == F_IMAP ||
2611             FOLDER_TYPE(item->folder) == F_NEWS) {
2612                 GSList *msglist = folder_item_get_msg_list(item);
2613                 GSList *cur;
2614                 time_t t = time(NULL);
2615                 for (cur = msglist; cur; cur = cur->next) {
2616                         MsgInfo *msginfo = (MsgInfo *)cur->data;
2617                         gint age = (t - msginfo->date_t) / (60*60*24);
2618                         if (age > days)
2619                                 folder_item_remove_cached_msg(item, msginfo);
2620                 }
2621                 procmsg_msg_list_free(msglist);
2622         }
2623 }
2624
2625 static void folder_item_read_cache(FolderItem *item)
2626 {
2627         gchar *cache_file, *mark_file, *tags_file;
2628         START_TIMING("");
2629         cm_return_if_fail(item != NULL);
2630
2631         if (item->path != NULL) {
2632                 cache_file = folder_item_get_cache_file(item);
2633                 mark_file = folder_item_get_mark_file(item);
2634                 tags_file = folder_item_get_tags_file(item);
2635                 item->cache = msgcache_read_cache(item, cache_file);
2636                 item->cache_dirty = FALSE;
2637                 item->mark_dirty = FALSE;
2638                 item->tags_dirty = FALSE;
2639                 if (!item->cache) {
2640                         MsgInfoList *list, *cur;
2641                         guint newcnt = 0, unreadcnt = 0;
2642                         guint markedcnt = 0, unreadmarkedcnt = 0;
2643                         guint repliedcnt = 0, forwardedcnt = 0;
2644                         guint lockedcnt = 0, ignoredcnt = 0;
2645                         guint watchedcnt = 0;
2646                         MsgInfo *msginfo;
2647
2648                         item->cache = msgcache_new();
2649                         item->cache_dirty = TRUE;
2650                         item->mark_dirty = TRUE;
2651                         item->tags_dirty = TRUE;
2652                         folder_item_scan_full(item, TRUE);
2653
2654                         msgcache_read_mark(item->cache, mark_file);
2655
2656                         list = msgcache_get_msg_list(item->cache);
2657                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2658                                 msginfo = cur->data;
2659
2660                                 if (MSG_IS_NEW(msginfo->flags))
2661                                         newcnt++;
2662                                 if (MSG_IS_UNREAD(msginfo->flags))
2663                                         unreadcnt++;
2664                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2665                                         unreadmarkedcnt++;
2666                                 if (MSG_IS_MARKED(msginfo->flags))
2667                                         markedcnt++;
2668                                 if (MSG_IS_REPLIED(msginfo->flags))
2669                                         repliedcnt++;
2670                                 if (MSG_IS_FORWARDED(msginfo->flags))
2671                                         forwardedcnt++;
2672                                 if (MSG_IS_LOCKED(msginfo->flags))
2673                                         lockedcnt++;
2674                                 if (MSG_IS_IGNORE_THREAD(msginfo->flags))
2675                                         ignoredcnt++;
2676                                 if (MSG_IS_WATCH_THREAD(msginfo->flags))
2677                                         watchedcnt++;
2678                                 procmsg_msginfo_unset_flags(msginfo, MSG_FULLY_CACHED, 0);
2679                         }
2680                         item->new_msgs = newcnt;
2681                         item->unread_msgs = unreadcnt;
2682                         item->unreadmarked_msgs = unreadmarkedcnt;
2683                         item->marked_msgs = markedcnt;
2684                         item->replied_msgs = repliedcnt;
2685                         item->forwarded_msgs = forwardedcnt;
2686                         item->locked_msgs = lockedcnt;
2687                         item->ignored_msgs = ignoredcnt;
2688                         item->watched_msgs = watchedcnt;
2689                         procmsg_msg_list_free(list);
2690                 } else
2691                         msgcache_read_mark(item->cache, mark_file);
2692
2693                 msgcache_read_tags(item->cache, tags_file);
2694
2695                 g_free(cache_file);
2696                 g_free(mark_file);
2697                 g_free(tags_file);
2698         } else {
2699                 item->cache = msgcache_new();
2700                 item->cache_dirty = TRUE;
2701                 item->mark_dirty = TRUE;
2702                 item->tags_dirty = TRUE;
2703         }
2704
2705         END_TIMING();
2706         folder_clean_cache_memory(item);
2707 }
2708
2709 void folder_item_write_cache(FolderItem *item)
2710 {
2711         gchar *cache_file = NULL, *mark_file = NULL, *tags_file = NULL;
2712         FolderItemPrefs *prefs;
2713         gint filemode = 0;
2714         gchar *id;
2715         time_t last_mtime = (time_t)0;
2716         gboolean need_scan = FALSE;
2717
2718         if (!item || !item->path || !item->cache)
2719                 return;
2720
2721         last_mtime = item->mtime;
2722         if (item->folder->klass->set_mtime) {
2723                 if (item->folder->klass->scan_required)
2724                         need_scan = item->folder->klass->scan_required(item->folder, item);
2725                 else
2726                         need_scan = TRUE;
2727         }
2728
2729         id = folder_item_get_identifier(item);
2730         debug_print("Save cache for folder %s\n", id);
2731         g_free(id);
2732
2733         if (item->cache_dirty)
2734                 cache_file = folder_item_get_cache_file(item);
2735         if (item->cache_dirty || item->mark_dirty)
2736                 mark_file = folder_item_get_mark_file(item);
2737         if (item->cache_dirty || item->tags_dirty)
2738                 tags_file = folder_item_get_tags_file(item);
2739         if (msgcache_write(cache_file, mark_file, tags_file, item->cache) < 0) {
2740                 prefs = item->prefs;
2741                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2742                         /* for cache file */
2743                         filemode = prefs->folder_chmod;
2744                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2745                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2746                         chmod(cache_file, filemode);
2747                 }
2748         } else {
2749                 item->cache_dirty = FALSE;
2750                 item->mark_dirty = FALSE;
2751                 item->tags_dirty = FALSE;
2752         }
2753
2754         if (!need_scan && item->folder->klass->set_mtime) {
2755                 if (item->mtime == last_mtime) {
2756                         item->folder->klass->set_mtime(item->folder, item);
2757                 }
2758         }
2759
2760         g_free(cache_file);
2761         g_free(mark_file);
2762         g_free(tags_file);
2763 }
2764
2765 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2766 {
2767         Folder *folder;
2768         MsgInfo *msginfo = NULL;
2769
2770         cm_return_val_if_fail(item != NULL, NULL);
2771         if (item->no_select)
2772                 return NULL;
2773         folder = item->folder;
2774         if (!item->cache)
2775                 folder_item_read_cache(item);
2776
2777         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2778                 return msginfo;
2779
2780         msginfo = get_msginfo(item, num);
2781         if (msginfo != NULL) {
2782                 msgcache_add_msg(item->cache, msginfo);
2783                 return msginfo;
2784         }
2785
2786         return NULL;
2787 }
2788
2789 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2790 {
2791         Folder *folder;
2792         MsgInfo *msginfo;
2793
2794         cm_return_val_if_fail(item != NULL, NULL);
2795         cm_return_val_if_fail(msgid != NULL, NULL);
2796         if (item->no_select)
2797                 return FALSE;
2798
2799         folder = item->folder;
2800         if (!item->cache)
2801                 folder_item_read_cache(item);
2802
2803         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2804                 return msginfo;
2805
2806         return NULL;
2807 }
2808
2809 GSList *folder_item_get_msg_list(FolderItem *item)
2810 {
2811         cm_return_val_if_fail(item != NULL, NULL);
2812         if (item->no_select)
2813                 return FALSE;
2814
2815         if (item->cache == 0)
2816                 folder_item_read_cache(item);
2817
2818         cm_return_val_if_fail(item->cache != NULL, NULL);
2819
2820         return msgcache_get_msg_list(item->cache);
2821 }
2822
2823 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2824 {
2825         MsgInfo *msginfo = data;
2826         MimeInfo *mimeinfo = node->data;
2827
2828         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2829          && (!mimeinfo->subtype || (strcmp(mimeinfo->subtype, "pgp-signature") &&
2830              strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2831              strcmp(mimeinfo->subtype, "pkcs7-signature")))) {
2832                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2833         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2834                  mimeinfo->id == NULL &&
2835                  mimeinfo->type != MIMETYPE_TEXT &&
2836                  mimeinfo->type != MIMETYPE_MULTIPART) {
2837                 if (!mimeinfo->subtype
2838                 || (strcmp(mimeinfo->subtype, "pgp-signature") &&
2839                     strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2840                     strcmp(mimeinfo->subtype, "pkcs7-signature")))
2841                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2842         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2843                  mimeinfo->id == NULL &&
2844                 (strcmp(mimeinfo->subtype, "pgp-signature") &&
2845                  strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2846                  strcmp(mimeinfo->subtype, "pkcs7-signature")) &&
2847                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2848                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2849                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2850         }
2851
2852         /* don't descend below top level message for signed and encrypted info */
2853         if (mimeinfo->type == MIMETYPE_MESSAGE)
2854                 return;
2855
2856         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2857                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2858         }
2859
2860         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2861                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2862         } else {
2863                 /* searching inside encrypted parts doesn't really make sense */
2864                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2865         }
2866 }
2867
2868 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2869 {
2870         Folder *folder;
2871         gchar *msgfile;
2872         MsgInfo *msginfo;
2873
2874         cm_return_val_if_fail(item != NULL, NULL);
2875
2876         folder = item->folder;
2877
2878         cm_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2879         if (item->no_select)
2880                 return NULL;
2881
2882         msgfile = folder->klass->fetch_msg(folder, item, num);
2883
2884         if (msgfile != NULL) {
2885                 msginfo = folder_item_get_msginfo(item, num);
2886                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2887                         MimeInfo *mimeinfo;
2888
2889                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2890                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2891                                 mimeinfo = procmime_scan_file(msgfile);
2892                         else
2893                                 mimeinfo = procmime_scan_queue_file(msgfile);
2894                         /* check for attachments */
2895                         if (mimeinfo != NULL) {
2896                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2897                                 procmime_mimeinfo_free_all(mimeinfo);
2898
2899                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2900                         }
2901                 }
2902                 procmsg_msginfo_free(msginfo);
2903         }
2904
2905         return msgfile;
2906 }
2907
2908 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2909                                   gboolean body)
2910 {
2911         Folder *folder;
2912         gchar *msgfile;
2913         MsgInfo *msginfo;
2914
2915         cm_return_val_if_fail(item != NULL, NULL);
2916         if (item->no_select)
2917                 return NULL;
2918
2919         folder = item->folder;
2920
2921         if (folder->klass->fetch_msg_full == NULL)
2922                 return folder_item_fetch_msg(item, num);
2923
2924         if (item->prefs->offlinesync && prefs_common.real_time_sync)
2925                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2926                                                 TRUE, TRUE);
2927         else
2928                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2929                                                 headers, body);
2930
2931         if (msgfile != NULL) {
2932                 msginfo = folder_item_get_msginfo(item, num);
2933                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2934                         MimeInfo *mimeinfo;
2935
2936                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2937                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2938                                 mimeinfo = procmime_scan_file(msgfile);
2939                         else
2940                                 mimeinfo = procmime_scan_queue_file(msgfile);
2941                         /* check for attachments */
2942                         if (mimeinfo != NULL) {
2943                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2944                                 procmime_mimeinfo_free_all(mimeinfo);
2945
2946                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2947                         }
2948                 }
2949                 procmsg_msginfo_free(msginfo);
2950         }
2951
2952         return msgfile;
2953 }
2954
2955
2956 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2957 {
2958         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2959                                        {NULL,           NULL, FALSE}};
2960         FILE *fp;
2961         MsgInfo *msginfo;
2962         gint msgnum = 0;
2963         gchar buf[BUFFSIZE];
2964
2965         if ((fp = g_fopen(file, "rb")) == NULL)
2966                 return 0;
2967
2968         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2969             (folder_has_parent_of_type(dest, F_DRAFT)))
2970                 while (fgets(buf, sizeof(buf), fp) != NULL) {
2971                         /* new way */
2972                         if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2973                                 strlen("X-Claws-End-Special-Headers:"))) ||
2974                             (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2975                                 strlen("X-Sylpheed-End-Special-Headers:"))))
2976                                 break;
2977                         /* old way */
2978                         if (buf[0] == '\r' || buf[0] == '\n') break;
2979                         /* from other mailers */
2980                         if (!strncmp(buf, "Date: ", 6)
2981                         ||  !strncmp(buf, "To: ", 4)
2982                         ||  !strncmp(buf, "From: ", 6)
2983                         ||  !strncmp(buf, "Subject: ", 9)) {
2984                                 rewind(fp);
2985                                 break;
2986                         }
2987                 }
2988
2989         procheader_get_header_fields(fp, hentry);
2990         debug_print("looking for %s\n", hentry[0].body);
2991         if (hentry[0].body) {
2992                 extract_parenthesis(hentry[0].body, '<', '>');
2993                 remove_space(hentry[0].body);
2994                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2995                         msgnum = msginfo->msgnum;
2996                         procmsg_msginfo_free(msginfo);
2997
2998                         debug_print("found message as uid %d\n", msgnum);
2999                 }
3000         }
3001
3002         g_free(hentry[0].body);
3003         hentry[0].body = NULL;
3004         fclose(fp);
3005
3006         return msgnum;
3007 }
3008
3009 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
3010 {
3011         MsgPermFlags perm_flags = 0;
3012         MsgTmpFlags tmp_flags = 0;
3013
3014         /* create new flags */
3015         if (source != NULL) {
3016                 /* copy original flags */
3017                 perm_flags = source->flags.perm_flags;
3018                 tmp_flags = source->flags.tmp_flags;
3019         } else {
3020                 perm_flags = dest->flags.perm_flags;
3021                 tmp_flags = dest->flags.tmp_flags;
3022         }
3023
3024         /* remove new, unread and deleted in special folders */
3025         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
3026             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
3027             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
3028             folder_has_parent_of_type(dest->folder, F_TRASH))
3029                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
3030
3031         /* set ignore flag of ignored parent exists */
3032         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
3033                 perm_flags |= MSG_IGNORE_THREAD;
3034
3035         /* unset FULLY_CACHED flags */
3036         perm_flags &= ~MSG_FULLY_CACHED;
3037
3038         if (procmsg_msg_has_flagged_parent(dest, MSG_WATCH_THREAD))
3039                 perm_flags |= MSG_WATCH_THREAD;
3040
3041         /* Unset tmp flags that should not be copied */
3042         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
3043
3044         /* unset flags that are set but should not */
3045         /* and set new flags */
3046         procmsg_msginfo_change_flags(dest,
3047                                   ~dest->flags.perm_flags & perm_flags,
3048                                   ~dest->flags.tmp_flags  & tmp_flags,
3049                                    dest->flags.perm_flags & ~perm_flags,
3050                                    dest->flags.tmp_flags  & ~tmp_flags);
3051
3052         if (source && source->tags) {
3053                 g_slist_free(dest->tags);
3054                 dest->tags = g_slist_copy(source->tags);
3055                 folder_item_commit_tags(dest->folder, dest, dest->tags, NULL);
3056         }
3057 }
3058
3059 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
3060 {
3061         /* update folder stats */
3062         if (MSG_IS_NEW(newmsginfo->flags))
3063                 item->new_msgs++;
3064         if (MSG_IS_UNREAD(newmsginfo->flags))
3065                 item->unread_msgs++;
3066         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
3067                 item->unreadmarked_msgs++;
3068         if (MSG_IS_MARKED(newmsginfo->flags))
3069                 item->marked_msgs++;
3070         if (MSG_IS_REPLIED(newmsginfo->flags))
3071                 item->replied_msgs++;
3072         if (MSG_IS_FORWARDED(newmsginfo->flags))
3073                 item->forwarded_msgs++;
3074         if (MSG_IS_LOCKED(newmsginfo->flags))
3075                 item->locked_msgs++;
3076         if (MSG_IS_IGNORE_THREAD(newmsginfo->flags))
3077                 item->ignored_msgs++;
3078         if (MSG_IS_WATCH_THREAD(newmsginfo->flags))
3079                 item->watched_msgs++;
3080         item->total_msgs++;
3081
3082         folder_item_update_freeze();
3083
3084         if (!item->cache)
3085                 folder_item_read_cache(item);
3086
3087         msgcache_add_msg(item->cache, newmsginfo);
3088         copy_msginfo_flags(flagsource, newmsginfo);
3089         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
3090         folder_item_update_thaw();
3091 }
3092
3093 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
3094 {
3095         MsgInfoUpdate msginfo_update;
3096
3097         if (!item->cache)
3098                 folder_item_read_cache(item);
3099
3100         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
3101                 msginfo->folder->new_msgs--;
3102         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
3103                 msginfo->folder->unread_msgs--;
3104         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
3105                 msginfo->folder->unreadmarked_msgs--;
3106         if (MSG_IS_MARKED(msginfo->flags))
3107                 item->marked_msgs--;
3108         if (MSG_IS_REPLIED(msginfo->flags))
3109                 item->replied_msgs--;
3110         if (MSG_IS_FORWARDED(msginfo->flags))
3111                 item->forwarded_msgs--;
3112         if (MSG_IS_LOCKED(msginfo->flags))
3113                 item->locked_msgs--;
3114         if (MSG_IS_IGNORE_THREAD(msginfo->flags))
3115                 item->ignored_msgs--;
3116         if (MSG_IS_WATCH_THREAD(msginfo->flags))
3117                 item->watched_msgs--;
3118
3119         msginfo->folder->total_msgs--;
3120
3121         msginfo_update.msginfo = msginfo;
3122         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
3123         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
3124
3125         msgcache_remove_msg(item->cache, msginfo->msgnum);
3126         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
3127 }
3128
3129 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
3130                          MsgFlags *flags, gboolean remove_source)
3131 {
3132         GSList file_list;
3133         MsgFileInfo fileinfo;
3134
3135         cm_return_val_if_fail(dest != NULL, -1);
3136         cm_return_val_if_fail(file != NULL, -1);
3137
3138         fileinfo.msginfo = NULL;
3139         fileinfo.file = (gchar *)file;
3140         fileinfo.flags = flags;
3141         file_list.data = &fileinfo;
3142         file_list.next = NULL;
3143
3144         return folder_item_add_msgs(dest, &file_list, remove_source);
3145 }
3146
3147 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
3148                           gboolean remove_source)
3149 {
3150         Folder *folder;
3151         gint ret, num, lastnum = -1;
3152         GSList *file_cur;
3153         GHashTable *relation;
3154         MsgFileInfo *fileinfo = NULL;
3155         gboolean folderscan = FALSE;
3156
3157         cm_return_val_if_fail(dest != NULL, -1);
3158         cm_return_val_if_fail(file_list != NULL, -1);
3159         cm_return_val_if_fail(dest->folder != NULL, -1);
3160         if (dest->no_select)
3161                 return -1;
3162
3163         folder = dest->folder;
3164
3165         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
3166
3167         if (folder->klass->add_msgs != NULL) {
3168                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
3169                 if (ret < 0) {
3170                         g_hash_table_destroy(relation);
3171                         return ret;
3172                 }
3173         } else {
3174                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
3175                         fileinfo = (MsgFileInfo *) file_cur->data;
3176
3177                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
3178                         if (ret < 0) {
3179                                 g_hash_table_destroy(relation);
3180                                 return ret;
3181                         }
3182                         g_hash_table_insert(relation, fileinfo, GINT_TO_POINTER(ret));
3183                 }
3184         }
3185
3186         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
3187                 gpointer data, old_key;
3188
3189                 fileinfo = (MsgFileInfo *) file_cur->data;
3190                 if (g_hash_table_lookup_extended(relation, fileinfo, &old_key, &data))
3191                         num = GPOINTER_TO_INT(data);
3192                 else
3193                         num = -1;
3194
3195                 if (num >= 0) {
3196                         MsgInfo *newmsginfo;
3197
3198                         if (num == 0) {
3199                                 if (!folderscan) {
3200                                         folder_item_scan_full(dest, FALSE);
3201                                         folderscan = TRUE;
3202                                 }
3203                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
3204                                 debug_print("got num %d\n", num);
3205                         }
3206
3207                         if (num > lastnum)
3208                                 lastnum = num;
3209
3210                         if (num >= 0 && remove_source) {
3211                                 if (claws_unlink(fileinfo->file) < 0)
3212                                         FILE_OP_ERROR(fileinfo->file, "unlink");
3213                         }
3214
3215                         if (num == 0)
3216                                 continue;
3217
3218                         if (!folderscan &&
3219                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
3220                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
3221                                 procmsg_msginfo_free(newmsginfo);
3222                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
3223                                 /* TODO: set default flags */
3224                                 procmsg_msginfo_free(newmsginfo);
3225                         }
3226                 }
3227         }
3228
3229         g_hash_table_destroy(relation);
3230
3231         return lastnum;
3232 }
3233
3234 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
3235 {
3236         GSList *mlist;
3237         FolderItem *new_item;
3238         FolderItem *next_item;
3239         GNode *srcnode;
3240         gchar *old_id, *new_id;
3241
3242         /* move messages */
3243         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
3244         new_item = folder_create_folder(dest, src->name);
3245         if (new_item == NULL) {
3246                 g_print("Can't create folder\n");
3247                 return NULL;
3248         }
3249
3250         if (new_item->folder == NULL)
3251                 new_item->folder = dest->folder;
3252
3253         /* move messages */
3254         log_message(LOG_PROTOCOL, copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
3255                         src->name, new_item->path);
3256
3257         mlist = folder_item_get_msg_list(src);
3258
3259         if (mlist != NULL) {
3260                 if (copy)
3261                         folder_item_copy_msgs(new_item, mlist);
3262                 else
3263                         folder_item_move_msgs(new_item, mlist);
3264                 procmsg_msg_list_free(mlist);
3265         }
3266
3267         /*copy prefs*/
3268         folder_item_prefs_copy_prefs(src, new_item);
3269
3270         /* copy internal data */
3271         if (src->folder->klass == new_item->folder->klass &&
3272             src->folder->klass->copy_private_data != NULL)
3273                 src->folder->klass->copy_private_data(src->folder,
3274                                         src, new_item);
3275         new_item->collapsed = src->collapsed;
3276         new_item->thread_collapsed = src->thread_collapsed;
3277         new_item->threaded  = src->threaded;
3278         new_item->ret_rcpt  = src->ret_rcpt;
3279         new_item->hide_read_msgs = src->hide_read_msgs;
3280         new_item->hide_del_msgs = src->hide_del_msgs;
3281         new_item->sort_key  = src->sort_key;
3282         new_item->sort_type = src->sort_type;
3283
3284         prefs_matcher_write_config();
3285
3286         /* recurse */
3287         srcnode = src->folder->node;
3288         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
3289         srcnode = srcnode->children;
3290         while (srcnode != NULL) {
3291                 if (srcnode && srcnode->data) {
3292                         next_item = (FolderItem*) srcnode->data;
3293                         srcnode = srcnode->next;
3294                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
3295                                 return NULL;
3296                         }
3297                 }
3298         }
3299         old_id = folder_item_get_identifier(src);
3300         new_id = folder_item_get_identifier(new_item);
3301
3302         /* if src supports removing, otherwise only copy folder */
3303         if (src->folder->klass->remove_folder != NULL && !copy)
3304                 src->folder->klass->remove_folder(src->folder, src);
3305         folder_write_list();
3306
3307         if (!copy) {
3308                 debug_print("updating rules : %s => %s\n", old_id, new_id);
3309                 if (old_id != NULL && new_id != NULL) {
3310                         prefs_filtering_rename_path(old_id, new_id);
3311                         account_rename_path(old_id, new_id);
3312                 }
3313         }
3314         g_free(old_id);
3315         g_free(new_id);
3316
3317         return new_item;
3318 }
3319
3320 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
3321 {
3322         FolderItem *tmp = folder_item_parent(dest);
3323         gchar * src_identifier, * dst_identifier;
3324         gchar * phys_srcpath, * phys_dstpath, *tmppath;
3325
3326         while (tmp) {
3327                 if (tmp == src) {
3328                         return F_MOVE_FAILED_DEST_IS_CHILD;
3329                 }
3330                 tmp = folder_item_parent(tmp);
3331         }
3332
3333         tmp = folder_item_parent(src);
3334
3335         src_identifier = folder_item_get_identifier(src);
3336         dst_identifier = folder_item_get_identifier(dest);
3337
3338         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
3339                 /* dest can be a root folder */
3340                 dst_identifier = folder_get_identifier(dest->folder);
3341         }
3342         if (src_identifier == NULL || dst_identifier == NULL) {
3343                 debug_print("Can't get identifiers\n");
3344                 return F_MOVE_FAILED;
3345         }
3346
3347         if (src->folder != dest->folder && !copy) {
3348                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
3349         }
3350
3351         phys_srcpath = folder_item_get_path(src);
3352         tmppath = folder_item_get_path(dest);
3353         phys_dstpath = g_strconcat(tmppath,
3354                        G_DIR_SEPARATOR_S,
3355                        g_path_get_basename(phys_srcpath),
3356                        NULL);
3357         g_free(tmppath);
3358
3359         if (folder_item_parent(src) == dest || src == dest) {
3360                 g_free(src_identifier);
3361                 g_free(dst_identifier);
3362                 g_free(phys_srcpath);
3363                 g_free(phys_dstpath);
3364                 return F_MOVE_FAILED_DEST_IS_PARENT;
3365         }
3366         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
3367         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
3368                 return F_MOVE_FAILED;
3369         }
3370
3371         g_free(src_identifier);
3372         g_free(dst_identifier);
3373         g_free(phys_srcpath);
3374         g_free(phys_dstpath);
3375
3376         *new_item = tmp;
3377
3378         return F_MOVE_OK;
3379 }
3380
3381 struct find_data
3382 {
3383         gboolean found;
3384 };
3385 static void find_num(gpointer key, gpointer value, gpointer data)
3386 {
3387         struct find_data *fdata = (struct find_data *)data;
3388         if (GPOINTER_TO_INT(value) == 0)
3389                 fdata->found = TRUE;
3390 }
3391
3392 static gboolean some_msgs_have_zero_num(GHashTable *hashtable)
3393 {
3394         struct find_data fdata;
3395
3396         fdata.found = FALSE;
3397         g_hash_table_foreach(hashtable, find_num, &fdata);
3398
3399         return fdata.found;
3400 }
3401
3402 /**
3403  * Copy a list of message to a new folder and remove
3404  * source messages if wanted
3405  */
3406 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
3407 {
3408         Folder *folder;
3409         GSList *l;
3410         gint num, lastnum = -1;
3411         gboolean folderscan = FALSE;
3412         GHashTable *relation;
3413         GSList *not_moved = NULL;
3414         gint total = 0, curmsg = 0;
3415         MsgInfo *msginfo = NULL;
3416
3417         cm_return_val_if_fail(dest != NULL, -1);
3418         cm_return_val_if_fail(msglist != NULL, -1);
3419
3420         folder = dest->folder;
3421
3422         cm_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
3423         if (dest->no_select)
3424                 return -1;
3425
3426         msginfo = (MsgInfo *)msglist->data;
3427
3428         if (!msginfo)
3429                 return -1;
3430
3431         if (!MSG_IS_QUEUED(msginfo->flags) &&
3432             MSG_IS_DRAFT(msginfo->flags) &&
3433             folder_has_parent_of_type(dest, F_QUEUE)) {
3434                 GSList *cur = msglist;
3435                 gboolean queue_err = FALSE;
3436                 for (; cur; cur = cur->next) {
3437                         Compose *compose = NULL;
3438                         FolderItem *queue = dest;
3439                         int val = 0;
3440
3441                         msginfo = (MsgInfo *)cur->data;
3442                         compose = compose_reedit(msginfo, TRUE);
3443                         if (compose == NULL) {
3444                                 queue_err = TRUE;
3445                                 continue;
3446                         }
3447                         val = compose_queue(compose, NULL, &queue, NULL,
3448                                         FALSE);
3449                         if (val < 0) {
3450                                 queue_err = TRUE;
3451                         } else if (remove_source) {
3452                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
3453                         }
3454                         if (val == 0)
3455                                 compose_close(compose);
3456                 }
3457                 return queue_err ? -1:0;
3458         }
3459
3460         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
3461
3462         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
3463                 MsgInfo * msginfo = (MsgInfo *) l->data;
3464
3465                 if (msginfo->planned_download != 0) {
3466                         int old_planned = msginfo->planned_download;
3467                         partial_unmark(msginfo);
3468                         /* little hack to reenable after */
3469                         msginfo->planned_download = old_planned;
3470                 }
3471         }
3472
3473         /*
3474          * Copy messages to destination folder and
3475          * store new message numbers in newmsgnums
3476          */
3477         if (folder->klass->copy_msgs != NULL) {
3478                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3479                         g_hash_table_destroy(relation);
3480                         return -1;
3481                 }
3482         } else {
3483                 MsgInfo * msginfo;
3484                 l = msglist;
3485
3486                 /* immediately stop if src and dest folders are identical */
3487                 if (l != NULL) {
3488                         msginfo = (MsgInfo *) l->data;
3489                         if (msginfo != NULL && msginfo->folder == dest) {
3490                                 g_hash_table_destroy(relation);
3491                                 return -1;
3492                         }
3493                 }
3494
3495                 for (; l != NULL ; l = g_slist_next(l)) {
3496                         msginfo = (MsgInfo *) l->data;
3497
3498                         num = folder->klass->copy_msg(folder, dest, msginfo);
3499                         if (num > 0)
3500                                 g_hash_table_insert(relation, msginfo, GINT_TO_POINTER(num));
3501                         else
3502                                 not_moved = g_slist_prepend(not_moved, msginfo);
3503                 }
3504         }
3505
3506         if (remove_source) {
3507                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3508                 FolderItem *item = msginfo->folder;
3509                 /*
3510                  * Remove source messages from their folders if
3511                  * copying was successfull and update folder
3512                  * message counts
3513                  */
3514                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3515                         item->folder->klass->remove_msgs(item->folder,
3516                                                                 msginfo->folder,
3517                                                                 msglist,
3518                                                                 relation);
3519                 }
3520                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3521                         gpointer old_key, data;
3522                         msginfo = (MsgInfo *) l->data;
3523                         item = msginfo->folder;
3524
3525                         if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
3526                                 num = GPOINTER_TO_INT(data);
3527                         else
3528                                 num = 0;
3529
3530                         if (g_slist_find(not_moved, msginfo))
3531                                 continue;
3532
3533                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3534                                 if (!item->folder->klass->remove_msgs)
3535                                         item->folder->klass->remove_msg(item->folder,
3536                                                                 msginfo->folder,
3537                                                                 msginfo->msgnum);
3538                                 if (!item->folder->account || item->folder->account->imap_use_trash) {
3539                                         remove_msginfo_from_cache(item, msginfo);
3540                                 }
3541                         }
3542                 }
3543         }
3544
3545         /* Read cache for dest folder */
3546         if (!dest->cache) folder_item_read_cache(dest);
3547
3548         /*
3549          * Fetch new MsgInfos for new messages in dest folder,
3550          * add them to the msgcache and update folder message counts
3551          */
3552         if (some_msgs_have_zero_num(relation)) {
3553                 folder_item_scan_full(dest, FALSE);
3554                 folderscan = TRUE;
3555         }
3556
3557         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3558         total = g_slist_length(msglist);
3559
3560         if (FOLDER_TYPE(dest->folder) == F_IMAP && total > 1) {
3561                 folder_item_scan_full(dest, FALSE);
3562                 folderscan = TRUE;
3563         }
3564         folder_item_set_batch(dest, TRUE);
3565         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3566                 MsgInfo *msginfo = (MsgInfo *) l->data;
3567                 gpointer data, old_key;
3568
3569                 if (!msginfo)
3570                         continue;
3571
3572                 if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
3573                         num = GPOINTER_TO_INT(data);
3574                 else
3575                         num = 0;
3576
3577                 statusbar_progress_all(curmsg++,total, 100);
3578                 if (curmsg % 100 == 0)
3579                         GTK_EVENTS_FLUSH();
3580
3581                 if (num >= 0) {
3582                         MsgInfo *newmsginfo = NULL;
3583
3584                         if (!folderscan && num > 0) {
3585                                 newmsginfo = get_msginfo(dest, num);
3586                                 if (newmsginfo != NULL) {
3587                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3588                                 }
3589                         }
3590                         if (newmsginfo == NULL) {
3591                                 if (!folderscan) {
3592                                         folder_item_scan_full(dest, FALSE);
3593                                         folderscan = TRUE;
3594                                 }
3595                                 if (msginfo->msgid != NULL) {
3596                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3597                                         if (newmsginfo != NULL) {
3598                                                 copy_msginfo_flags(msginfo, newmsginfo);
3599                                                 num = newmsginfo->msgnum;
3600                                         }
3601                                 }
3602                         }
3603
3604                         if (msginfo->planned_download
3605                             == POP3_PARTIAL_DLOAD_DELE) {
3606                                 partial_mark_for_delete(newmsginfo);
3607                         }
3608                         if (msginfo->planned_download
3609                             == POP3_PARTIAL_DLOAD_DLOAD) {
3610                                 partial_mark_for_download(newmsginfo);
3611                         }
3612                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3613                                 procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3614                                 if (newmsginfo) {
3615                                         procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3616                                         hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3617                                 }
3618                         }
3619                         procmsg_msginfo_free(newmsginfo);
3620
3621
3622                         if (num > lastnum)
3623                                 lastnum = num;
3624                 }
3625         }
3626         folder_item_set_batch(dest, FALSE);
3627         statusbar_progress_all(0,0,0);
3628         statusbar_pop_all();
3629
3630         g_hash_table_destroy(relation);
3631         if (not_moved != NULL) {
3632                 g_slist_free(not_moved);
3633                 return -1;
3634         } else
3635                 return lastnum;
3636 }
3637
3638 /**
3639  * Move a message to a new folder.
3640  *
3641  * \param dest Destination folder
3642  * \param msginfo The message
3643  */
3644 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3645 {
3646         GSList list;
3647
3648         cm_return_val_if_fail(dest != NULL, -1);
3649         cm_return_val_if_fail(msginfo != NULL, -1);
3650
3651         list.data = msginfo;
3652         list.next = NULL;
3653
3654         return do_copy_msgs(dest, &list, TRUE);
3655 }
3656
3657 /**
3658  * Move a list of messages to a new folder.
3659  *
3660  * \param dest Destination folder
3661  * \param msglist List of messages
3662  */
3663 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3664 {
3665         gint result = -1;
3666         cm_return_val_if_fail(dest != NULL, -1);
3667         cm_return_val_if_fail(msglist != NULL, -1);
3668         inc_lock();
3669         result = do_copy_msgs(dest, msglist, TRUE);
3670         inc_unlock();
3671         return result;
3672 }
3673
3674 /**
3675  * Copy a message to a new folder.
3676  *
3677  * \param dest Destination folder
3678  * \param msginfo The message
3679  */
3680 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3681 {
3682         GSList list;
3683
3684         cm_return_val_if_fail(dest != NULL, -1);
3685         cm_return_val_if_fail(msginfo != NULL, -1);
3686
3687         list.data = msginfo;
3688         list.next = NULL;
3689
3690         return do_copy_msgs(dest, &list, FALSE);
3691 }
3692
3693 /**
3694  * Copy a list of messages to a new folder.
3695  *
3696  * \param dest Destination folder
3697  * \param msglist List of messages
3698  */
3699 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3700 {
3701         gint result;
3702         cm_return_val_if_fail(dest != NULL, -1);
3703         cm_return_val_if_fail(msglist != NULL, -1);
3704
3705         inc_lock();
3706         result = do_copy_msgs(dest, msglist, FALSE);
3707         inc_unlock();
3708
3709         return result;
3710 }
3711
3712 gint folder_item_remove_msg(FolderItem *item, gint num)
3713 {
3714         Folder *folder;
3715         gint ret;
3716         MsgInfo *msginfo;
3717
3718         cm_return_val_if_fail(item != NULL, -1);
3719         folder = item->folder;
3720         cm_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3721         if (item->no_select)
3722                 return -1;
3723
3724         if (!item->cache) folder_item_read_cache(item);
3725
3726         msginfo = msgcache_get_msg(item->cache, num);
3727         if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
3728                 procmsg_msginfo_free(msginfo);
3729                 return -1;
3730         }
3731         ret = folder->klass->remove_msg(folder, item, num);
3732
3733         if (!item->folder->account || item->folder->account->imap_use_trash) {
3734                 if (msginfo != NULL) {
3735                         remove_msginfo_from_cache(item, msginfo);
3736                         procmsg_msginfo_free(msginfo);
3737                 }
3738         }
3739
3740         return ret;
3741 }
3742
3743 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3744 {
3745         Folder *folder;
3746         gint ret = 0;
3747         GSList *real_list = NULL, *cur = NULL;
3748
3749         cm_return_val_if_fail(item != NULL, -1);
3750         folder = item->folder;
3751         cm_return_val_if_fail(folder != NULL, -1);
3752         if (item->no_select)
3753                 return -1;
3754         inc_lock();
3755         if (!item->cache) folder_item_read_cache(item);
3756
3757         folder_item_update_freeze();
3758
3759         /* filter out locked mails */
3760         for (cur = msglist; cur; cur = cur->next) {
3761                 MsgInfo *info = (MsgInfo *)cur->data;
3762                 if (!MSG_IS_LOCKED(info->flags))
3763                         real_list = g_slist_prepend(real_list, info);
3764         }
3765
3766         real_list = g_slist_reverse(real_list);
3767
3768         if (item->folder->klass->remove_msgs) {
3769                 ret = item->folder->klass->remove_msgs(item->folder,
3770                                                         item,
3771                                                         real_list,
3772                                                         NULL);
3773         }
3774         while (ret == 0 && real_list != NULL) {
3775                 MsgInfo *msginfo = (MsgInfo *)real_list->data;
3776                 if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
3777                         real_list = real_list->next;
3778                         continue;
3779                 }
3780                 if (!item->folder->klass->remove_msgs)
3781                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3782                 if (ret != 0) break;
3783                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3784                 real_list = real_list->next;
3785         }
3786         g_slist_free(real_list);
3787         folder_item_scan_full(item, FALSE);
3788         folder_item_update_thaw();
3789         inc_unlock();
3790         return ret;
3791 }
3792
3793 gint folder_item_expunge(FolderItem *item)
3794 {
3795         Folder *folder = item->folder;
3796         gint result = 0;
3797         if (folder == NULL)
3798                 return -1;
3799         if (folder->klass->expunge) {
3800                 GSList *msglist = folder_item_get_msg_list(item);
3801                 GSList *cur;
3802                 result = folder->klass->expunge(folder, item);
3803                 if (result == 0) {
3804                         for (cur = msglist; cur; cur = cur->next) {
3805                                 MsgInfo *msginfo = (MsgInfo *)cur->data;
3806                                 if (MSG_IS_DELETED(msginfo->flags)) {
3807                                         remove_msginfo_from_cache(item, msginfo);
3808                                 }
3809                         }
3810                 }
3811                 procmsg_msg_list_free(msglist);
3812         }
3813         return result;
3814 }
3815
3816 gint folder_item_remove_all_msg(FolderItem *item)
3817 {
3818         Folder *folder;
3819         gint result;
3820
3821         cm_return_val_if_fail(item != NULL, -1);
3822         if (item->no_select)
3823                 return -1;
3824
3825         folder = item->folder;
3826
3827         inc_lock();
3828         if (folder->klass->remove_all_msg != NULL) {
3829                 result = folder->klass->remove_all_msg(folder, item);
3830
3831                 if (result == 0) {
3832                         folder_item_free_cache(item, TRUE);
3833                         item->cache = msgcache_new();
3834                         item->cache_dirty = TRUE;
3835                         item->mark_dirty = TRUE;
3836                         item->tags_dirty = TRUE;
3837                 }
3838         } else {
3839                 MsgInfoList *msglist;
3840
3841                 msglist = folder_item_get_msg_list(item);
3842                 result = folder_item_remove_msgs(item, msglist);
3843                 procmsg_msg_list_free(msglist);
3844         }
3845
3846         if (result == 0) {
3847                 item->new_msgs = 0;
3848                 item->unread_msgs = 0;
3849                 item->unreadmarked_msgs = 0;
3850                 item->marked_msgs = 0;
3851                 item->total_msgs = 0;
3852                 item->replied_msgs = 0;
3853                 item->forwarded_msgs = 0;
3854                 item->locked_msgs = 0;
3855                 item->ignored_msgs = 0;
3856                 item->watched_msgs = 0;
3857                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3858         }
3859
3860         inc_unlock();
3861         return result;
3862 }
3863
3864 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3865 {
3866         cm_return_if_fail(item != NULL);
3867         cm_return_if_fail(msginfo != NULL);
3868
3869         item->mark_dirty = TRUE;
3870
3871         if (item->no_select)
3872                 return;
3873
3874         if (item->folder->klass->change_flags != NULL && item->scanning != ITEM_SCANNING_WITH_FLAGS) {
3875                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3876         } else {
3877                 msginfo->flags.perm_flags = newflags;
3878         }
3879 }
3880
3881 void folder_item_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
3882 {
3883         Folder *folder = NULL;
3884
3885         if (!msginfo)
3886                 return;
3887         if (!item)
3888                 return;
3889         if (!tags_set && !tags_unset)
3890                 return;
3891
3892         folder = item->folder;
3893         if (!folder)
3894                 return;
3895
3896         item->tags_dirty = TRUE;
3897
3898         if (folder->klass->commit_tags == NULL)
3899                 return;
3900
3901         folder->klass->commit_tags(item, msginfo, tags_set, tags_unset);
3902 }
3903
3904 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3905 {
3906         Folder *folder;
3907
3908         cm_return_val_if_fail(item != NULL, FALSE);
3909         if (item->no_select)
3910                 return FALSE;
3911
3912         folder = item->folder;
3913
3914         cm_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3915
3916         return folder->klass->is_msg_changed(folder, item, msginfo);
3917 }
3918
3919 void folder_item_discard_cache(FolderItem *item)
3920 {
3921         gchar *dir;
3922         gchar *cache;
3923
3924         if (!item)
3925                 return;
3926
3927         if (item->cache) {
3928                 msgcache_destroy(item->cache);
3929                 item->cache = NULL;
3930         }
3931         dir = folder_item_get_path(item);
3932         if (is_dir_exist(dir))
3933                 remove_all_numbered_files(dir);
3934         g_free(dir);
3935
3936         cache = folder_item_get_cache_file(item);
3937         if (is_file_exist(cache))
3938                 claws_unlink(cache);
3939         g_free(cache);
3940
3941 }
3942
3943 static gchar *folder_item_get_cache_file(FolderItem *item)
3944 {
3945         gchar *path;
3946         gchar *file;
3947         gchar *old_file;
3948
3949         cm_return_val_if_fail(item != NULL, NULL);
3950         cm_return_val_if_fail(item->path != NULL, NULL);
3951
3952         path = folder_item_get_path(item);
3953         cm_return_val_if_fail(path != NULL, NULL);
3954         if (!is_dir_exist(path))
3955                 make_dir_hier(path);
3956         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3957         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_CACHE_FILE, NULL);
3958
3959         if (!is_file_exist(file) && is_file_exist(old_file))
3960                 move_file(old_file, file, FALSE);
3961         g_free(old_file);
3962         g_free(path);
3963
3964         return file;
3965 }
3966
3967 static gchar *folder_item_get_mark_file(FolderItem *item)
3968 {
3969         gchar *path;
3970         gchar *file;
3971         gchar *old_file;
3972
3973         cm_return_val_if_fail(item != NULL, NULL);
3974         cm_return_val_if_fail(item->path != NULL, NULL);
3975
3976         path = folder_item_get_path(item);
3977         cm_return_val_if_fail(path != NULL, NULL);
3978         if (!is_dir_exist(path))
3979                 make_dir_hier(path);
3980         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3981         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_MARK_FILE, NULL);
3982
3983         if (!is_file_exist(file) && is_file_exist(old_file))
3984                 move_file(old_file, file, FALSE);
3985         g_free(old_file);
3986         g_free(path);
3987
3988         return file;
3989 }
3990
3991 static gchar *folder_item_get_tags_file(FolderItem *item)
3992 {
3993         gchar *path;
3994         gchar *identifier;
3995         gchar *file;
3996
3997         /* we save tags files in rc_dir, because tagsrc is there too,
3998          * and storing tags directly in the mailboxes would give strange
3999          * result when using another Claws mailbox from another install
4000          * with different tags. */
4001
4002         cm_return_val_if_fail(item != NULL, NULL);
4003
4004         identifier = folder_item_get_identifier(item);
4005         cm_return_val_if_fail(identifier != NULL, NULL);
4006
4007 #ifdef G_OS_WIN32
4008         while (strchr(identifier, '/'))
4009                 *strchr(identifier, '/') = '\\';
4010 #endif
4011
4012         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4013                            "tagsdb", G_DIR_SEPARATOR_S,
4014                            identifier, NULL);
4015
4016         g_free(identifier);
4017
4018         if (!is_dir_exist(path))
4019                 make_dir_hier(path);
4020
4021         file = g_strconcat(path, G_DIR_SEPARATOR_S, TAGS_FILE, NULL);
4022
4023         g_free(path);
4024
4025         return file;
4026 }
4027
4028 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
4029 {
4030         XMLNode *xmlnode = (XMLNode *) nodedata;
4031         Folder *folder = (Folder *) data;
4032         FolderItem *item;
4033
4034         cm_return_val_if_fail(xmlnode != NULL, NULL);
4035         cm_return_val_if_fail(folder != NULL, NULL);
4036
4037         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
4038                 g_warning("tag name != \"folderitem\"\n");
4039                 return NULL;
4040         }
4041
4042         item = folder_item_new(folder, "", "");
4043         if (folder->klass->item_set_xml != NULL)
4044                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
4045         else
4046                 folder_item_set_xml(folder, item, xmlnode->tag);
4047
4048         item->folder = folder;
4049
4050         switch (item->stype) {
4051         case F_INBOX:  folder->inbox  = item; break;
4052         case F_OUTBOX: folder->outbox = item; break;
4053         case F_DRAFT:  folder->draft  = item; break;
4054         case F_QUEUE:  folder->queue  = item; break;
4055         case F_TRASH:  folder->trash  = item; break;
4056         default:       break;
4057         }
4058         folder_item_prefs_read_config(item);
4059
4060         return item;
4061 }
4062
4063 static gboolean folder_item_set_node(GNode *node, gpointer data)
4064 {
4065         FolderItem *item = (FolderItem *) node->data;
4066         item->node = node;
4067
4068         return FALSE;
4069 }
4070
4071 static Folder *folder_get_from_xml(GNode *node)
4072 {
4073         Folder *folder;
4074         XMLNode *xmlnode;
4075         GList *list;
4076         FolderClass *klass = NULL;
4077         GNode *cur;
4078
4079         cm_return_val_if_fail(node->data != NULL, NULL);
4080
4081         xmlnode = node->data;
4082         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
4083                 g_warning("tag name != \"folder\"\n");
4084                 return NULL;
4085         }
4086         list = xmlnode->tag->attr;
4087         for (; list != NULL; list = list->next) {
4088                 XMLAttr *attr = list->data;
4089
4090                 if (!attr || !attr->name || !attr->value) continue;
4091                 if (!strcmp(attr->name, "type"))
4092                         klass = folder_get_class_from_string(attr->value);
4093         }
4094         if (klass == NULL)
4095                 return NULL;
4096
4097         folder = folder_new(klass, "", "");
4098         cm_return_val_if_fail(folder != NULL, NULL);
4099
4100         if (klass->set_xml)
4101                 klass->set_xml(folder, xmlnode->tag);
4102         else
4103                 folder_set_xml(folder, xmlnode->tag);
4104
4105         cur = node->children;
4106         while (cur != NULL) {
4107                 GNode *itemnode;
4108
4109                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
4110                 g_node_append(folder->node, itemnode);
4111                 cur = cur->next;
4112         }
4113         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
4114
4115         return folder;
4116 }
4117
4118 static gchar *folder_get_list_path(void)
4119 {
4120         static gchar *filename = NULL;
4121
4122         if (!filename)
4123                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4124                                         FOLDER_LIST, NULL);
4125
4126         return filename;
4127 }
4128
4129 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
4130 {
4131         FolderItem *item = (FolderItem *) nodedata;
4132         XMLTag *tag;
4133
4134         cm_return_val_if_fail(item != NULL, NULL);
4135
4136         if (item->folder->klass->item_get_xml != NULL)
4137                 tag = item->folder->klass->item_get_xml(item->folder, item);
4138         else
4139                 tag = folder_item_get_xml(item->folder, item);
4140
4141         return xml_node_new(tag, NULL);
4142 }
4143
4144 static GNode *folder_get_xml_node(Folder *folder)
4145 {
4146         GNode *node;
4147         XMLNode *xmlnode;
4148         XMLTag *tag;
4149
4150         cm_return_val_if_fail(folder != NULL, NULL);
4151
4152         if (folder->klass->get_xml != NULL)
4153                 tag = folder->klass->get_xml(folder);
4154         else
4155                 tag = folder_get_xml(folder);
4156
4157         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
4158
4159         xmlnode = xml_node_new(tag, NULL);
4160
4161         node = g_node_new(xmlnode);
4162
4163         cm_return_val_if_fail (folder->node != NULL, NULL);
4164
4165         if (folder->node->children) {
4166                 GNode *cur;
4167
4168                 cur = folder->node->children;
4169                 while (cur) {
4170                         GNode *xmlnode;
4171
4172                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
4173                         g_node_append(node, xmlnode);
4174                         cur = cur->next;
4175                 }
4176         }
4177
4178         return node;
4179 }
4180
4181 static void folder_update_op_count_rec(GNode *node)
4182 {
4183         FolderItem *fitem = FOLDER_ITEM(node->data);
4184
4185         if (g_node_depth(node) > 0) {
4186                 if (fitem->op_count > 0) {
4187                         fitem->op_count = 0;
4188                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
4189                 }
4190                 if (node->children) {
4191                         GNode *child;
4192
4193                         child = node->children;
4194                         while (child) {
4195                                 GNode *cur;
4196
4197                                 cur = child;
4198                                 child = cur->next;
4199                                 folder_update_op_count_rec(cur);
4200                         }
4201                 }
4202         }
4203 }
4204
4205 void folder_update_op_count(void)
4206 {
4207         GList *cur;
4208         Folder *folder;
4209
4210         for (cur = folder_list; cur != NULL; cur = cur->next) {
4211                 folder = cur->data;
4212                 folder_update_op_count_rec(folder->node);
4213         }
4214 }
4215
4216 typedef struct _type_str {
4217         gchar * str;
4218         gint type;
4219 } type_str;
4220
4221
4222 /*
4223 static gchar * folder_item_get_tree_identifier(FolderItem * item)
4224 {
4225         if (item->parent != NULL) {
4226                 gchar * path;
4227                 gchar * id;
4228
4229                 path = folder_item_get_tree_identifier(item->parent);
4230                 if (path == NULL)
4231                         return NULL;
4232
4233                 id = g_strconcat(path, "/", item->name, NULL);
4234                 g_free(path);
4235
4236                 return id;
4237         }
4238         else {
4239                 return g_strconcat("/", item->name, NULL);
4240         }
4241 }
4242 */
4243
4244 /* CLAWS: temporary local folder for filtering */
4245 #define TEMP_FOLDER "TEMP_FOLDER"
4246 #define PROCESSING_FOLDER_ITEM "processing"
4247
4248 static FolderItem *processing_folder_item;
4249
4250 static void folder_create_processing_folder(void)
4251 {
4252         Folder *processing_folder;
4253         gchar      *tmpname;
4254
4255         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
4256                 gchar *tmppath;
4257
4258                 tmppath =
4259                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4260                                 "tempfolder", NULL);
4261                 processing_folder =
4262                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
4263                 g_free(tmppath);
4264         }
4265         g_assert(processing_folder != NULL);
4266
4267         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
4268         /* FIXME: [W32] The code below does not correctly merge
4269            relative filenames; there should be a function to handle
4270            this.  */
4271         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
4272                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
4273                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
4274                                       NULL);
4275         else
4276                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
4277                                       LOCAL_FOLDER(processing_folder)->rootpath,
4278                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
4279                                       NULL);
4280
4281         if (!is_dir_exist(tmpname)) {
4282                 debug_print("*TMP* creating %s\n", tmpname);
4283                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
4284                                                                                  processing_folder->node->data,
4285                                                                                  PROCESSING_FOLDER_ITEM);
4286         } else {
4287                 debug_print("*TMP* already created\n");
4288                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
4289                 g_assert(processing_folder_item);
4290                 folder_item_append(processing_folder->node->data, processing_folder_item);
4291         }
4292         g_assert(processing_folder_item != NULL);
4293         g_free(tmpname);
4294 }
4295
4296 FolderItem *folder_get_default_processing(void)
4297 {
4298         if (!processing_folder_item) {
4299                 folder_create_processing_folder();
4300         }
4301         return processing_folder_item;
4302 }
4303
4304 /* folder_persist_prefs_new() - return hash table with persistent
4305  * settings (and folder name as key).
4306  * (note that in claws other options are in the folder_item_prefs_RC
4307  * file, so those don't need to be included in PersistPref yet)
4308  */
4309 static GHashTable *folder_persist_prefs_new(Folder *folder)
4310 {
4311         GHashTable *pptable;
4312
4313         cm_return_val_if_fail(folder, NULL);
4314         pptable = g_hash_table_new(g_str_hash, g_str_equal);
4315         folder_get_persist_prefs_recursive(folder->node, pptable);
4316         return pptable;
4317 }
4318
4319 static void folder_persist_prefs_free(GHashTable *pptable)
4320 {
4321         cm_return_if_fail(pptable);
4322         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
4323         g_hash_table_destroy(pptable);
4324 }
4325
4326 static const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
4327 {
4328         if (pptable == NULL || name == NULL) return NULL;
4329         return g_hash_table_lookup(pptable, name);
4330 }
4331
4332 static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
4333 {
4334         const PersistPrefs *pp;
4335         gchar *id = folder_item_get_identifier(item);
4336
4337         pp = folder_get_persist_prefs(pptable, id);
4338         g_free(id);
4339
4340         if (!pp) return;
4341
4342         /* CLAWS: since not all folder properties have been migrated to
4343          * folderlist.xml, we need to call the old stuff first before
4344          * setting things that apply both to Main and Claws. */
4345         folder_item_prefs_read_config(item);
4346
4347         item->collapsed = pp->collapsed;
4348         item->thread_collapsed = pp->thread_collapsed;
4349         item->threaded  = pp->threaded;
4350         item->ret_rcpt  = pp->ret_rcpt;
4351         item->hide_read_msgs = pp->hide_read_msgs;
4352         item->hide_del_msgs = pp->hide_del_msgs;
4353         item->sort_key  = pp->sort_key;
4354         item->sort_type = pp->sort_type;
4355 }
4356
4357 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
4358 {
4359         FolderItem *item = FOLDER_ITEM(node->data);
4360         PersistPrefs *pp;
4361         GNode *child, *cur;
4362         gchar *id;
4363
4364         cm_return_if_fail(node != NULL);
4365         cm_return_if_fail(item != NULL);
4366
4367         /* NOTE: item->path == NULL means top level folder; not interesting
4368          * to store preferences of that one.  */
4369         if (item->path) {
4370                 id = folder_item_get_identifier(item);
4371                 pp = g_new0(PersistPrefs, 1);
4372                 cm_return_if_fail(pp != NULL);
4373                 pp->collapsed = item->collapsed;
4374                 pp->thread_collapsed = item->thread_collapsed;
4375                 pp->threaded  = item->threaded;
4376                 pp->ret_rcpt  = item->ret_rcpt;
4377                 pp->hide_read_msgs = item->hide_read_msgs;
4378                 pp->hide_del_msgs = item->hide_del_msgs;
4379                 pp->sort_key  = item->sort_key;
4380                 pp->sort_type = item->sort_type;
4381                 g_hash_table_insert(pptable, id, pp);
4382         }
4383
4384         if (node->children) {
4385                 child = node->children;
4386                 while (child) {
4387                         cur = child;
4388                         child = cur->next;
4389                         folder_get_persist_prefs_recursive(cur, pptable);
4390                 }
4391         }
4392 }
4393
4394 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
4395 {
4396         g_free(key);
4397         g_free(val);
4398         return TRUE;
4399 }
4400
4401 void folder_item_apply_processing(FolderItem *item)
4402 {
4403         GSList *processing_list;
4404         GSList *mlist, *cur;
4405         guint total = 0, curmsg = 0;
4406         gint last_apply_per_account;
4407
4408         cm_return_if_fail(item != NULL);
4409
4410         if (item->no_select)
4411                return;
4412
4413         processing_list = item->prefs->processing;
4414
4415         if (!pre_global_processing && !processing_list
4416         &&  !post_global_processing)
4417                 return;
4418
4419         debug_print("processing %s\n", item->name);
4420         folder_item_update_freeze();
4421
4422         inc_lock();
4423
4424         mlist = folder_item_get_msg_list(item);
4425         total = g_slist_length(mlist);
4426         statusbar_print_all(_("Processing messages..."));
4427
4428         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
4429         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
4430
4431         folder_item_set_batch(item, TRUE);
4432         for (cur = mlist ; cur != NULL ; cur = cur->next) {
4433                 MsgInfo * msginfo;
4434
4435                 msginfo = (MsgInfo *) cur->data;
4436
4437                 /* reset parameters that can be modified by processing */
4438                 msginfo->hidden = 0;
4439                 msginfo->score = 0;
4440
4441                 statusbar_progress_all(curmsg++,total, 10);
4442
4443                 /* apply pre global rules */
4444                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL,
4445                                 FILTERING_PRE_PROCESSING, NULL);
4446
4447                 /* apply rules of the folder */
4448                 filter_message_by_msginfo(processing_list, msginfo, NULL,
4449                                 FILTERING_FOLDER_PROCESSING, item->name);
4450
4451                 /* apply post global rules */
4452                 filter_message_by_msginfo(post_global_processing, msginfo, NULL,
4453                                 FILTERING_POST_PROCESSING, NULL);
4454                 if (curmsg % 1000 == 0)
4455                         GTK_EVENTS_FLUSH();
4456         }
4457         folder_item_set_batch(item, FALSE);
4458
4459         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
4460
4461         if (pre_global_processing || processing_list
4462             || post_global_processing)
4463                 filtering_move_and_copy_msgs(mlist);
4464         for (cur = mlist ; cur != NULL ; cur = cur->next) {
4465                 MsgInfo * msginfo = (MsgInfo *)cur->data;
4466                 procmsg_msginfo_free(msginfo);
4467         }
4468         g_slist_free(mlist);
4469
4470         statusbar_progress_all(0,0,0);
4471         statusbar_pop_all();
4472
4473         inc_unlock();
4474
4475         folder_item_update_thaw();
4476 }
4477
4478 /*
4479  *  functions for handling FolderItem content changes
4480  */
4481 static gint folder_item_update_freeze_cnt = 0;
4482
4483 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
4484 {
4485         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
4486                 FolderItemUpdateData source;
4487
4488                 source.item = item;
4489                 source.update_flags = update_flags;
4490                 source.msg = msg;
4491                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
4492         } else {
4493                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
4494         }
4495 }
4496
4497 /**
4498  * Notify the folder system about changes to a folder. If the
4499  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
4500  * be invoked, otherwise the changes will be remebered until
4501  * the folder system is thawed.
4502  *
4503  * \param item The FolderItem that was changed
4504  * \param update_flags Type of changed that was made
4505  */
4506 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
4507 {
4508         folder_item_update_with_msg(item, update_flags, NULL);
4509 }
4510
4511 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
4512 {
4513         GNode *node = item->folder->node;
4514
4515         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
4516         node = node->children;
4517
4518         folder_item_update(item, update_flags);
4519         while (node != NULL) {
4520                 if (node && node->data) {
4521                         FolderItem *next_item = (FolderItem*) node->data;
4522
4523                         folder_item_update(next_item, update_flags);
4524                 }
4525                 node = node->next;
4526         }
4527 }
4528
4529 void folder_item_update_freeze(void)
4530 {
4531         folder_item_update_freeze_cnt++;
4532 }
4533
4534 static void folder_item_update_func(FolderItem *item, gpointer data)
4535 {
4536         FolderItemUpdateData source;
4537
4538         if (item->update_flags) {
4539                 source.item = item;
4540                 source.update_flags = item->update_flags;
4541                 source.msg = NULL;
4542                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
4543                 item->update_flags = 0;
4544         }
4545 }
4546
4547 void folder_item_update_thaw(void)
4548 {
4549         if (folder_item_update_freeze_cnt > 0)
4550                 folder_item_update_freeze_cnt--;
4551         if (folder_item_update_freeze_cnt == 0) {
4552                 /* Update all folders */
4553                 folder_func_to_all_folders(folder_item_update_func, NULL);
4554         }
4555 }
4556
4557 void folder_item_synchronise(FolderItem *item)
4558 {
4559         if (!item)
4560                 return;
4561         if (item->prefs->offlinesync && item->folder->klass->synchronise) {
4562                 statuswindow_print_all(_("Synchronising %s for offline use...\n"), item->path ? item->path : "(null)");
4563                 item->folder->klass->synchronise(item,
4564                         item->prefs->offlinesync_days);
4565                 if (item->prefs->offlinesync_days > 0 &&
4566                     item->prefs->remove_old_bodies)
4567                         folder_item_clean_local_files(item, item->prefs->offlinesync_days);
4568                 statuswindow_pop_all();
4569         }
4570 }
4571
4572 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
4573 {
4574         Folder *folder = (Folder *)data;
4575         if (folder == NULL || item->folder == folder) {
4576                 folder_item_synchronise(item);
4577         }
4578 }
4579
4580 void folder_synchronise(Folder *folder)
4581 {
4582         folder_func_to_all_folders(folder_item_synchronise_func, folder);
4583 }
4584
4585 typedef struct _WantSyncData {
4586         Folder *folder;
4587         gboolean want_sync;
4588 } WantSyncData;
4589
4590 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
4591 {
4592         WantSyncData *want_sync_data = (WantSyncData *)data;
4593
4594         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
4595                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
4596                         want_sync_data->want_sync |= TRUE;
4597         }
4598 }
4599
4600 gboolean folder_want_synchronise(Folder *folder)
4601 {
4602         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
4603         gboolean result;
4604         want_sync_data->folder = folder;
4605         want_sync_data->want_sync = FALSE;
4606
4607         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
4608         result = want_sync_data->want_sync;
4609         g_free(want_sync_data);
4610         if (result > 0)
4611                 debug_print("Folder %s wants sync\n", folder->name);
4612         return result;
4613 }
4614
4615 void folder_item_set_batch (FolderItem *item, gboolean batch)
4616 {
4617         if (!item || !item->folder)
4618                 return;
4619         if (item->folder->klass->set_batch) {
4620                 item->folder->klass->set_batch(item->folder, item, batch);
4621         }
4622 }
4623
4624 gboolean folder_has_parent_of_type(FolderItem *item,
4625                                           SpecialFolderItemType type)
4626 {
4627         FolderItem *cur = item;
4628
4629         if (!item)
4630                 return FALSE;
4631         /* if we already know it, make it short */
4632         if (item->parent_stype != -1) {
4633                 return (item->parent_stype == type);
4634         }
4635
4636         /* if we don't, find the type from the first possible parent,
4637          * and set our parent type to be faster next time */
4638         while (cur) {
4639                 if (cur->stype == type || cur->parent_stype == type) {
4640                         item->parent_stype = type;
4641                         return TRUE;
4642                 }
4643                 cur = folder_item_parent(cur);
4644         }
4645
4646         /* if we didn't match what was asked, we didn't return. If our
4647          * parent type is unknown, we may as well find it now to be faster
4648          * later. */
4649         if (item->parent_stype == -1) {
4650                 cur = item;
4651                 while (cur) {
4652                         /* here's an exception: Inbox subfolders are normal. */
4653                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4654                         && item != cur) {
4655                                 item->parent_stype = F_NORMAL;
4656                                 break;
4657                         }
4658                         /* ah, we know this parent's parent's type, we may as
4659                          * well copy it instead of going up the full way */
4660                         if (cur->parent_stype != -1) {
4661                                 item->parent_stype = cur->parent_stype;
4662                                 break;
4663                         }
4664                         /* we found a parent that has a special type. That's
4665                          * our parent type. */
4666                         if (cur->stype != F_NORMAL) {
4667                                 cur->parent_stype = cur->stype;
4668                                 item->parent_stype = cur->stype;
4669                                 break;
4670                         }
4671                         /* if we didn't find anything, go up once more */
4672                         cur = folder_item_parent(cur);
4673                 }
4674                 /* as we still didn't find anything, our parents must all be
4675                  * normal. */
4676                 if (item->parent_stype == -1) {
4677                         item->parent_stype = F_NORMAL;
4678                 }
4679         }
4680         return FALSE;
4681 }
4682
4683 gboolean folder_subscribe (const gchar *uri)
4684 {
4685         GList *cur;
4686         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4687                 Folder *folder = (Folder *) cur->data;
4688
4689                 if (folder->klass->subscribe
4690                 &&  folder->klass->subscribe(folder, uri)) {
4691                         return TRUE;
4692                 }
4693         }
4694         return FALSE;
4695
4696 }
4697
4698 gboolean folder_get_sort_type           (Folder         *folder,
4699                                          FolderSortKey  *sort_key,
4700                                          FolderSortType *sort_type)
4701 {
4702         if (!folder || !sort_key || !sort_type)
4703                 return FALSE;
4704         if (folder->klass->get_sort_type == NULL)
4705                 return FALSE;
4706         folder->klass->get_sort_type(folder, sort_key, sort_type);
4707         return TRUE;
4708 }