src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  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_get_list_path      (void);
  88 static GNode *folder_get_xml_node       (Folder         *folder);
  89 static Folder *folder_get_from_xml      (GNode          *node);
  90 static void folder_update_op_count_rec  (GNode          *node);
  91
  92
  93 static void folder_get_persist_prefs_recursive
  94                                         (GNode *node, GHashTable *pptable);
  95 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  96 static void folder_item_read_cache              (FolderItem *item);
  97 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  98 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
  99                                          MsgInfo *msg);
 100 static GHashTable *folder_persist_prefs_new     (Folder *folder);
 101 static void folder_persist_prefs_free           (GHashTable *pptable);
 102 static void folder_item_restore_persist_prefs   (FolderItem *item, GHashTable *pptable);
 103
 104 void folder_system_init(void)
 105 {
 106         folder_register_class(mh_get_class());
 107         folder_register_class(imap_get_class());
 108         folder_register_class(news_get_class());
 109 }
 110
 111 static GSList *folder_get_class_list(void)
 112 {
 113         return class_list;
 114 }
 115
 116 void folder_register_class(FolderClass *klass)
 117 {
 118         GSList *xmllist, *cur;
 119
 120         debug_print("registering folder class %s\n", klass->idstr);
 121
 122         class_list = g_slist_append(class_list, klass);
 123
 124         xmllist = g_slist_copy(folder_unloaded_list);
 125         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 126                 GNode *node = (GNode *) cur->data;
 127                 XMLNode *xmlnode = (XMLNode *) node->data;
 128                 GList *cur = xmlnode->tag->attr;
 129
 130                 for (; cur != NULL; cur = g_list_next(cur)) {
 131                         XMLAttr *attr = (XMLAttr *) cur->data;
 132
 133                         if (!attr || !attr->name || !attr->value) continue;
 134                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 135                                 Folder *folder;
 136
 137                                 folder = folder_get_from_xml(node);
 138                                 folder_add(folder);
 139                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 140
 141                                 cur = NULL;
 142                                 continue;
 143                         }
 144                 }
 145         }
 146         g_slist_free(xmllist);
 147 }
 148
 149 void folder_unregister_class(FolderClass *klass)
 150 {
 151         GList *folderlist, *cur;
 152
 153         debug_print("unregistering folder class %s\n", klass->idstr);
 154
 155         class_list = g_slist_remove(class_list, klass);
 156
 157         folderlist = g_list_copy(folder_get_list());
 158         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 159                 Folder *folder = (Folder *) cur->data;
 160
 161                 if (folder->klass == klass) {
 162                         GNode *xmlnode = folder_get_xml_node(folder);
 163                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 164                         folder_destroy(folder);
 165                 }
 166         }
 167         g_list_free(folderlist);
 168 }
 169
 170 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 171 {
 172         Folder *folder = NULL;
 173         FolderItem *item;
 174
 175         g_return_val_if_fail(klass != NULL, NULL);
 176
 177         name = name ? name : path;
 178         folder = klass->new_folder(name, path);
 179
 180         /* Create root folder item */
 181         item = folder_item_new(folder, name, NULL);
 182         if (item == NULL) {
 183                 return NULL;
 184         }
 185         item->folder = folder;
 186         folder->node = item->node = g_node_new(item);
 187         folder->data = NULL;
 188
 189         return folder;
 190 }
 191
 192 void folder_init(Folder *folder, const gchar *name)
 193 {
 194         g_return_if_fail(folder != NULL);
 195
 196         folder_set_name(folder, name);
 197
 198         /* Init folder data */
 199         folder->account = NULL;
 200         folder->sort = 0;
 201         folder->inbox = NULL;
 202         folder->outbox = NULL;
 203         folder->draft = NULL;
 204         folder->queue = NULL;
 205         folder->trash = NULL;
 206 }
 207
 208 static void reset_parent_type(FolderItem *item, gpointer data) {
 209         item->parent_stype = -1;
 210 }
 211
 212 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 213 {
 214         Folder *folder = NULL;
 215         FolderUpdateData hookdata;
 216
 217         folder = item->folder;
 218         /* unset previous root of newtype */
 219         switch(newtype) {
 220         case F_INBOX:
 221                 folder_item_change_type(folder->inbox, F_NORMAL);
 222                 folder->inbox = item;
 223                 break;
 224         case F_OUTBOX:
 225                 folder_item_change_type(folder->outbox, F_NORMAL);
 226                 folder->outbox = item;
 227                 break;
 228         case F_QUEUE:
 229                 folder_item_change_type(folder->queue, F_NORMAL);
 230                 folder->queue = item;
 231                 break;
 232         case F_DRAFT:
 233                 folder_item_change_type(folder->draft, F_NORMAL);
 234                 folder->draft = item;
 235                 break;
 236         case F_TRASH:
 237                 folder_item_change_type(folder->trash, F_NORMAL);
 238                 folder->trash = item;
 239                 break;
 240         case F_NORMAL:
 241         default:
 242                 break;
 243         }
 244         /* set new type for current folder and sons */
 245         item->stype = newtype;
 246         folder_func_to_all_folders(reset_parent_type, NULL);
 247
 248         hookdata.folder = folder;
 249         hookdata.update_flags = FOLDER_TREE_CHANGED;
 250         hookdata.item = NULL;
 251         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 252 }
 253
 254 void folder_destroy(Folder *folder)
 255 {
 256         g_return_if_fail(folder != NULL);
 257         g_return_if_fail(folder->klass->destroy_folder != NULL);
 258
 259         folder_remove(folder);
 260
 261         folder_tree_destroy(folder);
 262
 263         folder->klass->destroy_folder(folder);
 264
 265         g_free(folder->name);
 266         g_free(folder);
 267 }
 268
 269 void folder_set_xml(Folder *folder, XMLTag *tag)
 270 {
 271         GList *cur;
 272         FolderItem *rootitem = NULL;
 273
 274         if ((folder->node != NULL) && (folder->node->data != NULL))
 275                 rootitem = (FolderItem *) folder->node->data;
 276
 277         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 278                 XMLAttr *attr = (XMLAttr *) cur->data;
 279
 280                 if (!attr || !attr->name || !attr->value) continue;
 281                 if (!strcmp(attr->name, "name")) {
 282                         g_free(folder->name);
 283                         folder->name = g_strdup(attr->value);
 284                         if (rootitem != NULL) {
 285                                 g_free(rootitem->name);
 286                                 rootitem->name = g_strdup(attr->value);
 287                         }
 288                 } else if (!strcmp(attr->name, "account_id")) {
 289                         PrefsAccount *account;
 290
 291                         account = account_find_from_id(atoi(attr->value));
 292                         if (!account)
 293                                 g_warning("account_id: %s not found\n", attr->value);
 294                         else {
 295                                 folder->account = account;
 296                                 account->folder = folder;
 297                         }
 298                 } else if (!strcmp(attr->name, "collapsed")) {
 299                         if (rootitem != NULL)
 300                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 301                 } else if (!strcmp(attr->name, "sort")) {
 302                         folder->sort = atoi(attr->value);
 303                 }
 304         }
 305 }
 306
 307 XMLTag *folder_get_xml(Folder *folder)
 308 {
 309         XMLTag *tag;
 310
 311         tag = xml_tag_new("folder");
 312
 313         if (folder->name)
 314                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 315         if (folder->account)
 316                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 317         if (folder->node && folder->node->data) {
 318                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 319
 320                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 321         }
 322         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 323
 324         return tag;
 325 }
 326
 327 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 328 {
 329         FolderItem *item = NULL;
 330
 331         g_return_val_if_fail(folder != NULL, NULL);
 332
 333         if (folder->klass->item_new) {
 334                 item = folder->klass->item_new(folder);
 335         } else {
 336                 item = g_new0(FolderItem, 1);
 337         }
 338
 339         g_return_val_if_fail(item != NULL, NULL);
 340
 341         item->stype = F_NORMAL;
 342         item->name = g_strdup(name);
 343         item->path = g_strdup(path);
 344         item->mtime = 0;
 345         item->new_msgs = 0;
 346         item->unread_msgs = 0;
 347         item->unreadmarked_msgs = 0;
 348         item->marked_msgs = 0;
 349         item->total_msgs = 0;
 350         item->order = 0;
 351         item->last_num = -1;
 352         item->cache = NULL;
 353         item->no_sub = FALSE;
 354         item->no_select = FALSE;
 355         item->collapsed = FALSE;
 356         item->thread_collapsed = FALSE;
 357         item->threaded  = TRUE;
 358         item->ret_rcpt  = FALSE;
 359         item->opened    = FALSE;
 360         item->node = g_node_new(item);
 361         item->folder = NULL;
 362         item->account = NULL;
 363         item->apply_sub = FALSE;
 364         item->mark_queue = NULL;
 365         item->data = NULL;
 366         item->parent_stype = -1;
 367
 368         item->sort_key = SORT_BY_DATE;
 369         item->sort_type = SORT_ASCENDING;
 370
 371         item->prefs = folder_item_prefs_new();
 372
 373         return item;
 374 }
 375
 376 void folder_item_append(FolderItem *parent, FolderItem *item)
 377 {
 378         g_return_if_fail(parent != NULL);
 379         g_return_if_fail(parent->folder != NULL);
 380         g_return_if_fail(parent->node != NULL);
 381         g_return_if_fail(item != NULL);
 382
 383         item->folder = parent->folder;
 384         g_node_append(parent->node, item->node);
 385 }
 386
 387 void folder_item_remove(FolderItem *item)
 388 {
 389         GNode *node, *start_node;
 390         FolderUpdateData hookdata;
 391
 392         g_return_if_fail(item != NULL);
 393         g_return_if_fail(item->folder != NULL);
 394         g_return_if_fail(item->folder->node != NULL);
 395
 396         start_node = node = item->node;
 397
 398         node = item->folder->node;
 399
 400         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 401         node = node->children;
 402
 403         /* remove my children */
 404         while (node != NULL) {
 405                 if (node && node->data) {
 406                         FolderItem *sub_item = (FolderItem*) node->data;
 407                         node = node->next;
 408                         folder_item_remove(sub_item);
 409                 }
 410         }
 411
 412         /* remove myself */
 413         if (item->cache != NULL) {
 414                 msgcache_destroy(item->cache);
 415                 item->cache = NULL;
 416         }
 417
 418         hookdata.folder = item->folder;
 419         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 420         hookdata.item = item;
 421         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 422
 423         node = start_node;
 424
 425         if (item->folder->node == node)
 426                 item->folder->node = NULL;
 427
 428         folder_item_destroy(item);
 429
 430         g_node_destroy(node);
 431 }
 432
 433 void folder_item_remove_children(FolderItem *item)
 434 {
 435         GNode *node, *next;
 436
 437         g_return_if_fail(item != NULL);
 438         g_return_if_fail(item->folder != NULL);
 439         g_return_if_fail(item->node != NULL);
 440
 441         node = item->node->children;
 442         while (node != NULL) {
 443                 next = node->next;
 444                 folder_item_remove(FOLDER_ITEM(node->data));
 445                 node = next;
 446         }
 447 }
 448
 449 void folder_item_destroy(FolderItem *item)
 450 {
 451         Folder *folder;
 452
 453         g_return_if_fail(item != NULL);
 454
 455         folder = item->folder;
 456         if (folder) {
 457                 if (folder->inbox == item)
 458                         folder->inbox = NULL;
 459                 else if (folder->outbox == item)
 460                         folder->outbox = NULL;
 461                 else if (folder->draft == item)
 462                         folder->draft = NULL;
 463                 else if (folder->queue == item)
 464                         folder->queue = NULL;
 465                 else if (folder->trash == item)
 466                         folder->trash = NULL;
 467         }
 468
 469         if (item->cache)
 470                 folder_item_free_cache(item, TRUE);
 471         if (item->prefs)
 472                 folder_item_prefs_free(item->prefs);
 473         g_free(item->name);
 474         g_free(item->path);
 475
 476         if (item->folder != NULL) {
 477                 if(item->folder->klass->item_destroy) {
 478                         item->folder->klass->item_destroy(item->folder, item);
 479                 } else {
 480                         g_free(item);
 481                 }
 482         }
 483 }
 484
 485 FolderItem *folder_item_parent(FolderItem *item)
 486 {
 487         g_return_val_if_fail(item != NULL, NULL);
 488         g_return_val_if_fail(item->node != NULL, NULL);
 489
 490         if (item->node->parent == NULL)
 491                 return NULL;
 492         return (FolderItem *) item->node->parent->data;
 493 }
 494
 495 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 496 {
 497         GList *cur;
 498
 499         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 500                 XMLAttr *attr = (XMLAttr *) cur->data;
 501
 502                 if (!attr || !attr->name || !attr->value) continue;
 503                 if (!strcmp(attr->name, "type")) {
 504                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 505                                 item->stype = F_NORMAL;
 506                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 507                                 item->stype = F_INBOX;
 508                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 509                                 item->stype = F_OUTBOX;
 510                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 511                                 item->stype = F_DRAFT;
 512                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 513                                 item->stype = F_QUEUE;
 514                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 515                                 item->stype = F_TRASH;
 516                 } else if (!strcmp(attr->name, "name")) {
 517                         g_free(item->name);
 518                         item->name = g_strdup(attr->value);
 519                 } else if (!strcmp(attr->name, "path")) {
 520                         g_free(item->path);
 521                         item->path = g_strdup(attr->value);
 522                 } else if (!strcmp(attr->name, "mtime"))
 523                         item->mtime = strtoul(attr->value, NULL, 10);
 524                 else if (!strcmp(attr->name, "new"))
 525                         item->new_msgs = atoi(attr->value);
 526                 else if (!strcmp(attr->name, "unread"))
 527                         item->unread_msgs = atoi(attr->value);
 528                 else if (!strcmp(attr->name, "unreadmarked"))
 529                         item->unreadmarked_msgs = atoi(attr->value);
 530                 else if (!strcmp(attr->name, "marked"))
 531                         item->marked_msgs = atoi(attr->value);
 532                 else if (!strcmp(attr->name, "order"))
 533                         item->order = atoi(attr->value);
 534                 else if (!strcmp(attr->name, "total"))
 535                         item->total_msgs = atoi(attr->value);
 536                 else if (!strcmp(attr->name, "no_sub"))
 537                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 538                 else if (!strcmp(attr->name, "no_select"))
 539                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 540                 else if (!strcmp(attr->name, "collapsed"))
 541                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 542                 else if (!strcmp(attr->name, "thread_collapsed"))
 543                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 544                 else if (!strcmp(attr->name, "threaded"))
 545                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 546                 else if (!strcmp(attr->name, "hidereadmsgs"))
 547                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 548                 else if (!strcmp(attr->name, "reqretrcpt"))
 549                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 550                 else if (!strcmp(attr->name, "sort_key")) {
 551                         if (!strcmp(attr->value, "none"))
 552                                 item->sort_key = SORT_BY_NONE;
 553                         else if (!strcmp(attr->value, "number"))
 554                                 item->sort_key = SORT_BY_NUMBER;
 555                         else if (!strcmp(attr->value, "size"))
 556                                 item->sort_key = SORT_BY_SIZE;
 557                         else if (!strcmp(attr->value, "date"))
 558                                 item->sort_key = SORT_BY_DATE;
 559                         else if (!strcmp(attr->value, "from"))
 560                                 item->sort_key = SORT_BY_FROM;
 561                         else if (!strcmp(attr->value, "subject"))
 562                                 item->sort_key = SORT_BY_SUBJECT;
 563                         else if (!strcmp(attr->value, "score"))
 564                                 item->sort_key = SORT_BY_SCORE;
 565                         else if (!strcmp(attr->value, "label"))
 566                                 item->sort_key = SORT_BY_LABEL;
 567                         else if (!strcmp(attr->value, "mark"))
 568                                 item->sort_key = SORT_BY_MARK;
 569                         else if (!strcmp(attr->value, "unread"))
 570                                 item->sort_key = SORT_BY_STATUS;
 571                         else if (!strcmp(attr->value, "mime"))
 572                                 item->sort_key = SORT_BY_MIME;
 573                         else if (!strcmp(attr->value, "to"))
 574                                 item->sort_key = SORT_BY_TO;
 575                         else if (!strcmp(attr->value, "locked"))
 576                                 item->sort_key = SORT_BY_LOCKED;
 577                 } else if (!strcmp(attr->name, "sort_type")) {
 578                         if (!strcmp(attr->value, "ascending"))
 579                                 item->sort_type = SORT_ASCENDING;
 580                         else
 581                                 item->sort_type = SORT_DESCENDING;
 582                 } else if (!strcmp(attr->name, "account_id")) {
 583                         PrefsAccount *account;
 584
 585                         account = account_find_from_id(atoi(attr->value));
 586                         if (!account)
 587                                 g_warning("account_id: %s not found\n", attr->value);
 588                         else
 589                                 item->account = account;
 590                 } else if (!strcmp(attr->name, "apply_sub")) {
 591                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 592                 } else if (!strcmp(attr->name, "last_seen")) {
 593                         if (!claws_crashed())
 594                                 item->last_seen = atoi(attr->value);
 595                         else
 596                                 item->last_seen = 0;
 597                 }
 598         }
 599 }
 600
 601 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 602 {
 603         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 604                                                  "draft", "queue", "trash"};
 605         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 606                                         "from", "subject", "score", "label",
 607                                         "mark", "unread", "mime", "to",
 608                                         "locked"};
 609         XMLTag *tag;
 610         gchar *value;
 611
 612         tag = xml_tag_new("folderitem");
 613
 614         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 615         if (item->name)
 616                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 617         if (item->path)
 618                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 619         if (item->no_sub)
 620                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 621         if (item->no_select)
 622                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 623         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 624         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 625         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 626         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 627         if (item->ret_rcpt)
 628                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 629
 630         if (item->sort_key != SORT_BY_NONE) {
 631                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 632                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 633         }
 634
 635         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 636         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 637         g_free(value);
 638         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 639         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 640         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 641         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 642         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 643         xml_tag_add_attr(tag, xml_attr_new_int("order", item->order));
 644
 645         if (item->account)
 646                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 647         if (item->apply_sub)
 648                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 649
 650         xml_tag_add_attr(tag, xml_attr_new_int("last_seen", item->last_seen));
 651
 652         return tag;
 653 }
 654
 655 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 656 {
 657         g_return_if_fail(folder != NULL);
 658
 659         folder->ui_func = func;
 660         folder->ui_func_data = data;
 661 }
 662
 663 void folder_set_name(Folder *folder, const gchar *name)
 664 {
 665         g_return_if_fail(folder != NULL);
 666
 667         g_free(folder->name);
 668         folder->name = name ? g_strdup(name) : NULL;
 669         if (folder->node && folder->node->data) {
 670                 FolderItem *item = (FolderItem *)folder->node->data;
 671
 672                 g_free(item->name);
 673                 item->name = name ? g_strdup(name) : NULL;
 674         }
 675 }
 676
 677 void folder_set_sort(Folder *folder, guint sort)
 678 {
 679         g_return_if_fail(folder != NULL);
 680
 681         if (folder->sort != sort) {
 682                 folder_remove(folder);
 683                 folder->sort = sort;
 684                 folder_add(folder);
 685         }
 686 }
 687
 688 static gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 689         FolderItem *item = (FolderItem *) node->data;
 690
 691         folder_item_destroy(item);
 692         return FALSE;
 693 }
 694
 695 void folder_tree_destroy(Folder *folder)
 696 {
 697         GNode *node;
 698
 699         g_return_if_fail(folder != NULL);
 700
 701         node = folder->node;
 702
 703         prefs_filtering_clear_folder(folder);
 704
 705         if (node != NULL) {
 706                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 707                                 folder_tree_destroy_func, NULL);
 708                 g_node_destroy(node);
 709                 folder->node = NULL;
 710         }
 711 }
 712
 713 void folder_add(Folder *folder)
 714 {
 715         Folder *cur_folder;
 716         GList *cur;
 717         gint i;
 718         FolderUpdateData hookdata;
 719
 720         g_return_if_fail(folder != NULL);
 721
 722         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 723                 cur_folder = FOLDER(cur->data);
 724                 if (cur_folder->sort < folder->sort)
 725                         break;
 726         }
 727
 728         folder_list = g_list_insert(folder_list, folder, i);
 729
 730         hookdata.folder = folder;
 731         hookdata.update_flags = FOLDER_ADD_FOLDER;
 732         hookdata.item = NULL;
 733         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 734 }
 735
 736 void folder_remove(Folder *folder)
 737 {
 738         FolderUpdateData hookdata;
 739
 740         g_return_if_fail(folder != NULL);
 741
 742         folder_list = g_list_remove(folder_list, folder);
 743
 744         hookdata.folder = folder;
 745         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 746         hookdata.item = NULL;
 747         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 748 }
 749
 750 GList *folder_get_list(void)
 751 {
 752         return folder_list;
 753 }
 754
 755 gint folder_read_list(void)
 756 {
 757         GNode *node, *cur;
 758         XMLNode *xmlnode;
 759         gchar *path;
 760
 761         path = folder_get_list_path();
 762         if (!is_file_exist(path)) return -1;
 763         node = xml_parse_file(path);
 764         if (!node) return -1;
 765
 766         xmlnode = node->data;
 767         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 768                 g_warning("wrong folder list\n");
 769                 xml_free_tree(node);
 770                 return -1;
 771         }
 772
 773         cur = node->children;
 774         while (cur != NULL) {
 775                 Folder *folder;
 776
 777                 folder = folder_get_from_xml(cur);
 778                 if (folder != NULL)
 779                         folder_add(folder);
 780                 else
 781                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 782                                 (gpointer) xml_copy_tree(cur));
 783                 cur = cur->next;
 784         }
 785
 786         xml_free_tree(node);
 787         if (folder_list || folder_unloaded_list)
 788                 return 0;
 789         else
 790                 return -1;
 791 }
 792
 793 void folder_write_list(void)
 794 {
 795         GList *list;
 796         GSList *slist;
 797         Folder *folder;
 798         gchar *path;
 799         PrefFile *pfile;
 800         GNode *rootnode;
 801         XMLNode *xmlnode;
 802         XMLTag *tag;
 803
 804         path = folder_get_list_path();
 805         if ((pfile = prefs_write_open(path)) == NULL) return;
 806
 807         if (xml_file_put_xml_decl(pfile->fp) < 0) {
 808                 prefs_file_close_revert(pfile);
 809                 g_warning("failed to start write folder list.\n");
 810                 return;
 811         }
 812         tag = xml_tag_new("folderlist");
 813
 814         xmlnode = xml_node_new(tag, NULL);
 815
 816         rootnode = g_node_new(xmlnode);
 817
 818         for (list = folder_list; list != NULL; list = list->next) {
 819                 GNode *node;
 820
 821                 folder = list->data;
 822                 node = folder_get_xml_node(folder);
 823                 if (node != NULL)
 824                         g_node_append(rootnode, node);
 825         }
 826
 827         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 828                 GNode *node = (GNode *) slist->data;
 829
 830                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 831         }
 832
 833         if (xml_write_tree(rootnode, pfile->fp) < 0) {
 834                 prefs_file_close_revert(pfile);
 835                 g_warning("failed to write folder list.\n");
 836         } else if (prefs_file_close(pfile) < 0) {
 837                 g_warning("failed to write folder list.\n");
 838         }
 839         xml_free_tree(rootnode);
 840 }
 841
 842 static gboolean folder_scan_tree_func(GNode *node, gpointer data)
 843 {
 844         GHashTable *pptable = (GHashTable *)data;
 845         FolderItem *item = (FolderItem *)node->data;
 846
 847         folder_item_restore_persist_prefs(item, pptable);
 848         folder_item_scan_full(item, FALSE);
 849
 850         return FALSE;
 851 }
 852
 853 void folder_scan_tree(Folder *folder, gboolean rebuild)
 854 {
 855         GHashTable *pptable;
 856         FolderUpdateData hookdata;
 857         Folder *old_folder = folder;
 858
 859         if (!folder->klass->scan_tree)
 860                 return;
 861
 862         pptable = folder_persist_prefs_new(folder);
 863
 864         if (rebuild)
 865                 folder_remove(folder);
 866
 867         if (folder->klass->scan_tree(folder) < 0) {
 868                 if (rebuild)
 869                         folder_add(old_folder);
 870                 return;
 871         } else if (rebuild)
 872                 folder_add(folder);
 873
 874         hookdata.folder = folder;
 875         hookdata.update_flags = FOLDER_TREE_CHANGED;
 876         hookdata.item = NULL;
 877         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 878
 879         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 880         folder_persist_prefs_free(pptable);
 881
 882         prefs_matcher_read_config();
 883
 884         folder_write_list();
 885 }
 886
 887 static gboolean folder_restore_prefs_func(GNode *node, gpointer data)
 888 {
 889         GHashTable *pptable = (GHashTable *)data;
 890         FolderItem *item = (FolderItem *)node->data;
 891
 892         folder_item_restore_persist_prefs(item, pptable);
 893
 894         return FALSE;
 895 }
 896
 897 void folder_fast_scan_tree(Folder *folder)
 898 {
 899         GHashTable *pptable;
 900         FolderUpdateData hookdata;
 901
 902         if (!folder->klass->scan_tree)
 903                 return;
 904
 905         pptable = folder_persist_prefs_new(folder);
 906
 907         if (folder->klass->scan_tree(folder) < 0) {
 908                 return;
 909         }
 910
 911         hookdata.folder = folder;
 912         hookdata.update_flags = FOLDER_TREE_CHANGED;
 913         hookdata.item = NULL;
 914         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 915
 916         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_restore_prefs_func, pptable);
 917         folder_persist_prefs_free(pptable);
 918
 919         prefs_matcher_read_config();
 920
 921         folder_write_list();
 922 }
 923
 924 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 925 {
 926         FolderItem *new_item;
 927
 928         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 929         if (new_item) {
 930                 FolderUpdateData hookdata;
 931
 932                 new_item->cache = msgcache_new();
 933
 934                 hookdata.folder = new_item->folder;
 935                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 936                 hookdata.item = new_item;
 937                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 938         }
 939
 940         return new_item;
 941 }
 942
 943 gint folder_item_rename(FolderItem *item, gchar *newname)
 944 {
 945         gint retval;
 946
 947         g_return_val_if_fail(item != NULL, -1);
 948         g_return_val_if_fail(newname != NULL, -1);
 949
 950         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 951
 952         if (retval >= 0) {
 953                 FolderItemUpdateData hookdata;
 954                 FolderUpdateData hookdata2;
 955
 956                 hookdata.item = item;
 957                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 958                 hookdata.msg = NULL;
 959                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 960
 961                 hookdata2.folder = item->folder;
 962                 hookdata2.item = item;
 963                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
 964                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
 965         }
 966
 967         return retval;
 968 }
 969
 970 struct TotalMsgCount
 971 {
 972         guint new_msgs;
 973         guint unread_msgs;
 974         guint unreadmarked_msgs;
 975         guint marked_msgs;
 976         guint total_msgs;
 977 };
 978
 979 struct FuncToAllFoldersData
 980 {
 981         FolderItemFunc  function;
 982         gpointer        data;
 983 };
 984
 985 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 986 {
 987         FolderItem *item;
 988         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 989
 990         g_return_val_if_fail(node->data != NULL, FALSE);
 991
 992         item = FOLDER_ITEM(node->data);
 993         g_return_val_if_fail(item != NULL, FALSE);
 994
 995         function_data->function(item, function_data->data);
 996
 997         return FALSE;
 998 }
 999
1000 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
1001 {
1002         GList *list;
1003         Folder *folder;
1004         struct FuncToAllFoldersData function_data;
1005
1006         function_data.function = function;
1007         function_data.data = data;
1008
1009         for (list = folder_list; list != NULL; list = list->next) {
1010                 folder = FOLDER(list->data);
1011                 if (folder->node)
1012                         g_node_traverse(folder->node, G_PRE_ORDER,
1013                                         G_TRAVERSE_ALL, -1,
1014                                         folder_func_to_all_folders_func,
1015                                         &function_data);
1016         }
1017 }
1018
1019 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
1020 {
1021         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
1022
1023         count->new_msgs += item->new_msgs;
1024         count->unread_msgs += item->unread_msgs;
1025         count->unreadmarked_msgs += item->unreadmarked_msgs;
1026         count->marked_msgs += item->marked_msgs;
1027         count->total_msgs += item->total_msgs;
1028 }
1029
1030 struct TotalMsgStatus
1031 {
1032         guint new;
1033         guint unread;
1034         guint total;
1035         GString *str;
1036 };
1037
1038 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
1039 {
1040         FolderItem *item;
1041         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
1042         gchar *id;
1043
1044         g_return_val_if_fail(node->data != NULL, FALSE);
1045
1046         item = FOLDER_ITEM(node->data);
1047
1048         if (!item->path) return FALSE;
1049
1050         status->new += item->new_msgs;
1051         status->unread += item->unread_msgs;
1052         status->total += item->total_msgs;
1053
1054         if (status->str) {
1055                 id = folder_item_get_identifier(item);
1056                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
1057                                   item->new_msgs, item->unread_msgs,
1058                                   item->total_msgs, id);
1059                 g_free(id);
1060         }
1061
1062         return FALSE;
1063  }
1064
1065 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
1066                                        guint *total)
1067 {
1068         GList *list;
1069         Folder *folder;
1070         struct TotalMsgStatus status;
1071
1072         status.new = status.unread = status.total = 0;
1073         status.str = str;
1074
1075         debug_print("Counting total number of messages...\n");
1076
1077         for (list = folder_list; list != NULL; list = list->next) {
1078                 folder = FOLDER(list->data);
1079                 if (folder->node)
1080                         g_node_traverse(folder->node, G_PRE_ORDER,
1081                                         G_TRAVERSE_ALL, -1,
1082                                         folder_get_status_full_all_func,
1083                                         &status);
1084         }
1085
1086         *new = status.new;
1087         *unread = status.unread;
1088         *total = status.total;
1089 }
1090
1091 gchar *folder_get_status(GPtrArray *folders, gboolean full)
1092 {
1093         guint new, unread, total;
1094         GString *str;
1095         gint i;
1096         gchar *ret;
1097
1098         new = unread = total = 0;
1099
1100         str = g_string_new(NULL);
1101
1102         if (folders) {
1103                 for (i = 0; i < folders->len; i++) {
1104                         FolderItem *item;
1105
1106                         item = g_ptr_array_index(folders, i);
1107                         new += item->new_msgs;
1108                         unread += item->unread_msgs;
1109                         total += item->total_msgs;
1110
1111                         if (full) {
1112                                 gchar *id;
1113
1114                                 id = folder_item_get_identifier(item);
1115                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1116                                                   item->new_msgs, item->unread_msgs,
1117                                                   item->total_msgs, id);
1118                                 g_free(id);
1119                         }
1120                 }
1121         } else {
1122                 folder_get_status_full_all(full ? str : NULL,
1123                                            &new, &unread, &total);
1124         }
1125
1126         if (full)
1127                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1128         else
1129                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1130
1131         ret = str->str;
1132         g_string_free(str, FALSE);
1133
1134         return ret;
1135 }
1136
1137 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1138                              guint *unreadmarked_msgs, guint *marked_msgs,
1139                              guint *total_msgs)
1140 {
1141         struct TotalMsgCount count;
1142
1143         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
1144
1145         debug_print("Counting total number of messages...\n");
1146
1147         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1148
1149         *new_msgs = count.new_msgs;
1150         *unread_msgs = count.unread_msgs;
1151         *unreadmarked_msgs = count.unreadmarked_msgs;
1152         *marked_msgs = count.marked_msgs;
1153         *total_msgs = count.total_msgs;
1154 }
1155
1156 Folder *folder_find_from_path(const gchar *path)
1157 {
1158         GList *list;
1159         Folder *folder;
1160
1161         for (list = folder_list; list != NULL; list = list->next) {
1162                 folder = list->data;
1163                 if ((FOLDER_TYPE(folder) == F_MH ||
1164                      FOLDER_TYPE(folder) == F_MBOX) &&
1165                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1166                         return folder;
1167         }
1168
1169         return NULL;
1170 }
1171
1172 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1173 {
1174         GList *list;
1175         Folder *folder;
1176
1177         for (list = folder_list; list != NULL; list = list->next) {
1178                 folder = list->data;
1179                 if (folder->klass == klass &&
1180                     strcmp2(name, folder->name) == 0)
1181                         return folder;
1182         }
1183
1184         return NULL;
1185 }
1186
1187 static gboolean folder_item_find_func(GNode *node, gpointer data)
1188 {
1189         FolderItem *item = node->data;
1190         gpointer *d = data;
1191         const gchar *path = d[0];
1192
1193         if (path_cmp(path, item->path) != 0)
1194                 return FALSE;
1195
1196         d[1] = item;
1197
1198         return TRUE;
1199 }
1200
1201 FolderItem *folder_find_item_from_path(const gchar *path)
1202 {
1203         Folder *folder;
1204         gpointer d[2];
1205         GList *list = folder_get_list();
1206
1207         folder = list ? list->data:NULL;
1208
1209         g_return_val_if_fail(folder != NULL, NULL);
1210
1211         d[0] = (gpointer)path;
1212         d[1] = NULL;
1213         while (d[1] == NULL && list) {
1214                 folder = FOLDER(list->data);
1215                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1216                         folder_item_find_func, d);
1217                 list = list->next;
1218         }
1219         return d[1];
1220 }
1221
1222 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1223 {
1224         GNode *node;
1225         FolderItem *child;
1226
1227         for (node = item->node->children; node != NULL; node = node->next) {
1228                 gchar *base;
1229                 child = FOLDER_ITEM(node->data);
1230                 base = g_path_get_basename(child->path);
1231                 if (strcmp2(base, name) == 0) {
1232                         g_free(base);
1233                         return child;
1234                 }
1235                 g_free(base);
1236         }
1237
1238         return NULL;
1239 }
1240
1241 FolderClass *folder_get_class_from_string(const gchar *str)
1242 {
1243         GSList *classlist;
1244
1245         classlist = folder_get_class_list();
1246         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1247                 FolderClass *class = (FolderClass *) classlist->data;
1248                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1249                         return class;
1250         }
1251
1252         return NULL;
1253 }
1254
1255 static gchar *folder_get_identifier(Folder *folder)
1256 {
1257         gchar *type_str;
1258
1259         g_return_val_if_fail(folder != NULL, NULL);
1260
1261         type_str = folder->klass->idstr;
1262         return g_strconcat("#", type_str, "/", folder->name, NULL);
1263 }
1264
1265 gchar *folder_item_get_identifier(FolderItem *item)
1266 {
1267         gchar *id = NULL;
1268         gchar *folder_id = NULL;
1269
1270         g_return_val_if_fail(item != NULL, NULL);
1271
1272         if (item->path == NULL)
1273                 return NULL;
1274
1275         folder_id = folder_get_identifier(item->folder);
1276         id = g_strconcat(folder_id, "/", item->path, NULL);
1277         g_free(folder_id);
1278
1279         return id;
1280 }
1281
1282 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1283 {
1284         Folder *folder;
1285         gpointer d[2];
1286         gchar *str;
1287         gchar *p;
1288         gchar *name;
1289         gchar *path;
1290         FolderClass *class;
1291
1292         g_return_val_if_fail(identifier != NULL, NULL);
1293
1294         if (*identifier != '#')
1295                 return folder_find_item_from_path(identifier);
1296
1297         Xstrdup_a(str, identifier, return NULL);
1298
1299         p = strchr(str, '/');
1300         if (!p)
1301                 return folder_find_item_from_path(identifier);
1302         *p = '\0';
1303         p++;
1304         class = folder_get_class_from_string(&str[1]);
1305         if (class == NULL)
1306                 return folder_find_item_from_path(identifier);
1307
1308         name = p;
1309         p = strchr(p, '/');
1310         if (!p)
1311                 return folder_find_item_from_path(identifier);
1312         *p = '\0';
1313         p++;
1314
1315         folder = folder_find_from_name(name, class);
1316         if (!folder)
1317                 return folder_find_item_from_path(identifier);
1318
1319         path = p;
1320
1321         d[0] = (gpointer)path;
1322         d[1] = NULL;
1323         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1324                         folder_item_find_func, d);
1325         return d[1];
1326 }
1327
1328 /**
1329  * Get a displayable name for a FolderItem
1330  *
1331  * \param item FolderItem for that a name should be created
1332  * \return Displayable name for item, returned string has to
1333  *         be freed
1334  */
1335 gchar *folder_item_get_name(FolderItem *item)
1336 {
1337         gchar *name = NULL;
1338
1339         g_return_val_if_fail(item != NULL, g_strdup(""));
1340
1341         switch (item->stype) {
1342         case F_INBOX:
1343                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1344                                 item->name);
1345                 break;
1346         case F_OUTBOX:
1347                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1348                                 item->name);
1349                 break;
1350         case F_QUEUE:
1351                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1352                                 item->name);
1353                 break;
1354         case F_TRASH:
1355                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1356                                 item->name);
1357                 break;
1358         case F_DRAFT:
1359                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1360                                 item->name);
1361                 break;
1362         default:
1363                 break;
1364         }
1365
1366         if (name == NULL) {
1367                 /*
1368                  * should probably be done by a virtual function,
1369                  * the folder knows the ui string and how to abbrev
1370                 */
1371                 if (folder_item_parent(item) == NULL) {
1372                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1373                 } else {
1374                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1375                             item->path && !strcmp2(item->name, item->path))
1376                                 name = get_abbrev_newsgroup_name
1377                                         (item->path,
1378                                          prefs_common.ng_abbrev_len);
1379                         else
1380                                 name = g_strdup(item->name);
1381                 }
1382         }
1383
1384         if (name == NULL)
1385                 name = g_strdup("");
1386
1387         return name;
1388 }
1389
1390 gboolean folder_have_mailbox (void)
1391 {
1392         GList *cur;
1393         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1394                 Folder *folder = FOLDER(cur->data);
1395                 if (folder->inbox && folder->outbox)
1396                         return TRUE;
1397         }
1398         return FALSE;
1399 }
1400
1401 FolderItem *folder_get_default_inbox(void)
1402 {
1403         GList *flist;
1404
1405         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1406                 Folder * folder = FOLDER(flist->data);
1407
1408                 if (folder == NULL)
1409                         continue;
1410                 if (folder->inbox == NULL)
1411                         continue;
1412                 if (folder->klass->type == F_UNKNOWN)
1413                         continue;
1414
1415                 return folder->inbox;
1416         }
1417
1418         return NULL;
1419 }
1420
1421 FolderItem *folder_get_default_inbox_for_class(FolderType type)
1422 {
1423         GList *flist;
1424
1425         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1426                 Folder * folder = FOLDER(flist->data);
1427
1428                 if (folder == NULL)
1429                         continue;
1430                 if (folder->inbox == NULL)
1431                         continue;
1432                 if (folder->klass->type != type)
1433                         continue;
1434
1435                 return folder->inbox;
1436         }
1437
1438         return NULL;
1439 }
1440
1441 FolderItem *folder_get_default_outbox(void)
1442 {
1443         GList *flist;
1444
1445         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1446                 Folder * folder = FOLDER(flist->data);
1447
1448                 if (folder == NULL)
1449                         continue;
1450                 if (folder->outbox == NULL)
1451                         continue;
1452                 if (folder->klass->type == F_UNKNOWN)
1453                         continue;
1454
1455                 return folder->outbox;
1456         }
1457
1458         return NULL;
1459 }
1460
1461 FolderItem *folder_get_default_draft(void)
1462 {
1463         GList *flist;
1464
1465         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1466                 Folder * folder = FOLDER(flist->data);
1467
1468                 if (folder == NULL)
1469                         continue;
1470                 if (folder->draft == NULL)
1471                         continue;
1472                 if (folder->klass->type == F_UNKNOWN)
1473                         continue;
1474
1475                 return folder->draft;
1476         }
1477
1478         return NULL;
1479 }
1480
1481 FolderItem *folder_get_default_queue(void)
1482 {
1483         GList *flist;
1484
1485         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1486                 Folder * folder = FOLDER(flist->data);
1487
1488                 if (folder == NULL)
1489                         continue;
1490                 if (folder->queue == NULL)
1491                         continue;
1492                 if (folder->klass->type == F_UNKNOWN)
1493                         continue;
1494
1495                 return folder->queue;
1496         }
1497
1498         return NULL;
1499 }
1500
1501 FolderItem *folder_get_default_trash(void)
1502 {
1503         GList *flist;
1504
1505         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1506                 Folder * folder = FOLDER(flist->data);
1507
1508                 if (folder == NULL)
1509                         continue;
1510                 if (folder->trash == NULL)
1511                         continue;
1512                 if (folder->klass->type == F_UNKNOWN)
1513                         continue;
1514
1515                 return folder->trash;
1516         }
1517
1518         return NULL;
1519 }
1520
1521 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1522 {                                                               \
1523         if (!folder->member) {                                  \
1524                 item = folder_item_new(folder, dir, dir);       \
1525                 item->stype = type;                             \
1526                 folder_item_append(rootitem, item);             \
1527                 folder->member = item;                          \
1528         }                                                       \
1529 }
1530
1531 void folder_set_missing_folders(void)
1532 {
1533         Folder *folder;
1534         FolderItem *rootitem;
1535         FolderItem *item;
1536         GList *list;
1537
1538         for (list = folder_list; list != NULL; list = list->next) {
1539                 folder = list->data;
1540                 if (FOLDER_TYPE(folder) != F_MH) continue;
1541                 rootitem = FOLDER_ITEM(folder->node->data);
1542                 g_return_if_fail(rootitem != NULL);
1543
1544                 if (folder->inbox && folder->outbox && folder->draft &&
1545                     folder->queue && folder->trash)
1546                         continue;
1547
1548                 if (folder->klass->create_tree(folder) < 0) {
1549                         g_warning("%s: can't create the folder tree.\n",
1550                                   LOCAL_FOLDER(folder)->rootpath);
1551                         continue;
1552                 }
1553
1554                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1555                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1556                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1557                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1558                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1559         }
1560 }
1561
1562 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1563 {
1564         FolderItem *item = node->data;
1565         PrefsAccount *account = data;
1566
1567         if (item->account == account)
1568                 item->account = NULL;
1569
1570         return FALSE;
1571 }
1572
1573 void folder_unref_account_all(PrefsAccount *account)
1574 {
1575         Folder *folder;
1576         GList *list;
1577
1578         if (!account) return;
1579
1580         for (list = folder_list; list != NULL; list = list->next) {
1581                 folder = list->data;
1582                 if (folder->account == account)
1583                         folder->account = NULL;
1584                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1585                                 folder_unref_account_func, account);
1586         }
1587 }
1588
1589 #undef CREATE_FOLDER_IF_NOT_EXIST
1590
1591 gchar *folder_item_get_path(FolderItem *item)
1592 {
1593         Folder *folder;
1594
1595         g_return_val_if_fail(item != NULL, NULL);
1596         folder = item->folder;
1597         g_return_val_if_fail(folder != NULL, NULL);
1598
1599         return folder->klass->item_get_path(folder, item);
1600 }
1601
1602 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1603 {
1604         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1605               folder_has_parent_of_type(dest, F_QUEUE)  ||
1606               folder_has_parent_of_type(dest, F_DRAFT) ||
1607               folder_has_parent_of_type(dest, F_TRASH))) {
1608                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1609         } else {
1610                 flags->perm_flags = 0;
1611         }
1612         if (FOLDER_TYPE(dest->folder) == F_MH) {
1613                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1614                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1615                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1616                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1617                 }
1618         }
1619 }
1620
1621 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1622 {
1623         MsgInfo *msginfo_a = (MsgInfo *) a;
1624         MsgInfo *msginfo_b = (MsgInfo *) b;
1625
1626         return (msginfo_a->msgnum - msginfo_b->msgnum);
1627 }
1628
1629 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1630 {
1631         guint gint_a = GPOINTER_TO_INT(a);
1632         guint gint_b = GPOINTER_TO_INT(b);
1633
1634         return (gint_a - gint_b);
1635 }
1636
1637 void folder_item_process_open (FolderItem *item,
1638                                  void (*before_proc_func)(gpointer data),
1639                                  void (*after_proc_func)(gpointer data),
1640                                  gpointer data)
1641 {
1642         gchar *buf;
1643         if (item == NULL)
1644                 return;
1645         if((item->folder->klass->scan_required != NULL) &&
1646            (item->folder->klass->scan_required(item->folder, item))) {
1647                 folder_item_scan_full(item, TRUE);
1648         } else {
1649                 folder_item_syncronize_flags(item);
1650         }
1651
1652         /* Processing */
1653         buf = g_strdup_printf(_("Processing (%s)...\n"),
1654                               item->path ? item->path : item->name);
1655         g_free(buf);
1656
1657         if (before_proc_func)
1658                 before_proc_func(data);
1659
1660         folder_item_apply_processing(item);
1661
1662         if (after_proc_func)
1663                 after_proc_func(data);
1664
1665         item->processing_pending = FALSE;
1666         return;
1667 }
1668
1669 gint folder_item_open(FolderItem *item)
1670 {
1671         START_TIMING("");
1672         if (item->no_select)
1673                 return -1;
1674
1675         if (item->scanning) {
1676                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
1677                 return -2;
1678         }
1679
1680         item->processing_pending = TRUE;
1681         folder_item_process_open (item, NULL, NULL, NULL);
1682
1683         item->opened = TRUE;
1684         END_TIMING();
1685         return 0;
1686 }
1687
1688 gint folder_item_close(FolderItem *item)
1689 {
1690         GSList *mlist, *cur;
1691         Folder *folder;
1692
1693         g_return_val_if_fail(item != NULL, -1);
1694
1695         if (item->no_select)
1696                 return -1;
1697
1698         if (item->new_msgs) {
1699                 folder_item_update_freeze();
1700                 mlist = folder_item_get_msg_list(item);
1701                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1702                         MsgInfo * msginfo;
1703
1704                         msginfo = (MsgInfo *) cur->data;
1705                         if (MSG_IS_NEW(msginfo->flags))
1706                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1707                         procmsg_msginfo_free(msginfo);
1708                 }
1709                 g_slist_free(mlist);
1710                 folder_item_update_thaw();
1711         }
1712
1713         folder_item_write_cache(item);
1714
1715         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1716
1717         item->opened = FALSE;
1718         folder = item->folder;
1719
1720         if (folder->klass->close == NULL)
1721                 return 0;
1722
1723         return folder->klass->close(folder, item);
1724 }
1725
1726 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1727 {
1728         MsgInfoList *msglist = NULL;
1729         Folder *folder = item->folder;
1730         if (item->no_select)
1731                 return NULL;
1732
1733         if (folder->klass->get_msginfos != NULL)
1734                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1735         else {
1736                 MsgNumberList *elem;
1737
1738                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1739                         MsgInfo *msginfo;
1740                         guint num;
1741
1742                         num = GPOINTER_TO_INT(elem->data);
1743                         msginfo = folder->klass->get_msginfo(folder, item, num);
1744                         if (msginfo != NULL)
1745                                 msglist = g_slist_prepend(msglist, msginfo);
1746                 }
1747         }
1748
1749         return msglist;
1750 }
1751
1752 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1753 {
1754         MsgNumberList numlist;
1755         MsgInfoList *msglist;
1756         MsgInfo *msginfo = NULL;
1757
1758         numlist.data = GINT_TO_POINTER(num);
1759         numlist.next = NULL;
1760         msglist = get_msginfos(item, &numlist);
1761         if (msglist != NULL)
1762                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1763         procmsg_msg_list_free(msglist);
1764
1765         return msginfo;
1766 }
1767
1768 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1769 {
1770         GRelation *relation;
1771         gint ret = 0;
1772         GSList *cur;
1773
1774         if(msglist == NULL)
1775                 return 0;
1776         if(item->folder->klass->get_flags == NULL)
1777                 return 0;
1778         if (item->no_select)
1779                 return 0;
1780
1781         relation = g_relation_new(2);
1782         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1783         folder_item_set_batch(item, TRUE);
1784         if ((ret = item->folder->klass->get_flags(
1785             item->folder, item, msglist, relation)) == 0) {
1786                 GTuples *tuples;
1787                 MsgInfo *msginfo;
1788                 MsgPermFlags permflags = 0;
1789                 gboolean skip;
1790
1791                 folder_item_update_freeze();
1792                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1793                         msginfo = (MsgInfo *) cur->data;
1794
1795                         tuples = g_relation_select(relation, msginfo, 0);
1796                         skip = tuples->len < 1;
1797                         if (!skip)
1798                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1799                         g_tuples_destroy(tuples);
1800                         if (skip)
1801                                 continue;
1802
1803                         if (msginfo->flags.perm_flags != permflags) {
1804                                 procmsg_msginfo_change_flags(msginfo,
1805                                         permflags & ~msginfo->flags.perm_flags, 0,
1806                                         ~permflags & msginfo->flags.perm_flags, 0);
1807                         }
1808                 }
1809                 folder_item_update_thaw();
1810         }
1811         folder_item_set_batch(item, FALSE);
1812         g_relation_destroy(relation);
1813
1814         return ret;
1815 }
1816
1817 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1818 {
1819         Folder *folder;
1820         GSList *folder_list = NULL, *cache_list = NULL;
1821         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1822         GSList *exists_list = NULL, *elem;
1823         GSList *newmsg_list = NULL;
1824         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1825         guint markedcnt = 0, unreadmarkedcnt = 0;
1826         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1827         gboolean update_flags = 0, old_uids_valid = FALSE;
1828         GHashTable *subject_table = NULL;
1829
1830         g_return_val_if_fail(item != NULL, -1);
1831         if (item->path == NULL) return -1;
1832
1833         folder = item->folder;
1834
1835         g_return_val_if_fail(folder != NULL, -1);
1836         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1837
1838         item->scanning = TRUE;
1839
1840         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1841
1842         /* Get list of messages for folder and cache */
1843         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1844                 debug_print("Error fetching list of message numbers\n");
1845                 item->scanning = FALSE;
1846                 return(-1);
1847         }
1848
1849         if(prefs_common.thread_by_subject) {
1850                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1851         }
1852
1853         if (old_uids_valid) {
1854                 if (!item->cache)
1855                         folder_item_read_cache(item);
1856                 cache_list = msgcache_get_msg_list(item->cache);
1857         } else {
1858                 if (item->cache)
1859                         msgcache_destroy(item->cache);
1860                 item->cache = msgcache_new();
1861                 cache_list = NULL;
1862         }
1863
1864         /* Sort both lists */
1865         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1866         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1867
1868         cache_list_cur = cache_list;
1869         folder_list_cur = folder_list;
1870
1871         if (cache_list_cur != NULL) {
1872                 GSList *cache_list_last;
1873
1874                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1875                 cache_list_last = g_slist_last(cache_list);
1876                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1877         } else {
1878                 cache_cur_num = G_MAXINT;
1879                 cache_max_num = 0;
1880         }
1881
1882         if (folder_list_cur != NULL) {
1883                 GSList *folder_list_last;
1884
1885                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1886                 folder_list_last = g_slist_last(folder_list);
1887                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1888         } else {
1889                 folder_cur_num = G_MAXINT;
1890                 folder_max_num = 0;
1891         }
1892
1893         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1894                 /*
1895                  *  Message only exists in the folder
1896                  *  Remember message for fetching
1897                  */
1898                 if (folder_cur_num < cache_cur_num) {
1899                         gboolean add = FALSE;
1900
1901                         switch(FOLDER_TYPE(folder)) {
1902                                 case F_NEWS:
1903                                         if (folder_cur_num < cache_max_num)
1904                                                 break;
1905
1906                                         if (folder->account->max_articles == 0) {
1907                                                 add = TRUE;
1908                                         }
1909
1910                                         if (folder_max_num <= folder->account->max_articles) {
1911                                                 add = TRUE;
1912                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1913                                                 add = TRUE;
1914                                         }
1915                                         break;
1916                                 default:
1917                                         add = TRUE;
1918                                         break;
1919                         }
1920
1921                         if (add) {
1922                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1923                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1924                         }
1925
1926                         /* Move to next folder number */
1927                         folder_list_cur = folder_list_cur->next;
1928
1929                         if (folder_list_cur != NULL)
1930                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1931                         else
1932                                 folder_cur_num = G_MAXINT;
1933
1934                         continue;
1935                 }
1936
1937                 /*
1938                  *  Message only exists in the cache
1939                  *  Remove the message from the cache
1940                  */
1941                 if (cache_cur_num < folder_cur_num) {
1942                         msgcache_remove_msg(item->cache, cache_cur_num);
1943                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1944
1945                         /* Move to next cache number */
1946                         cache_list_cur = cache_list_cur->next;
1947
1948                         if (cache_list_cur != NULL)
1949                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1950                         else
1951                                 cache_cur_num = G_MAXINT;
1952
1953                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1954
1955                         continue;
1956                 }
1957
1958                 /*
1959                  *  Message number exists in folder and cache!
1960                  *  Check if the message has been modified
1961                  */
1962                 if (cache_cur_num == folder_cur_num) {
1963                         MsgInfo *msginfo;
1964
1965                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1966                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1967                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1968                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1969                                 procmsg_msginfo_free(msginfo);
1970
1971                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1972                         } else {
1973                                 exists_list = g_slist_prepend(exists_list, msginfo);
1974
1975                                 if(prefs_common.thread_by_subject &&
1976                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1977                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1978                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1979                                 }
1980                         }
1981
1982                         /* Move to next folder and cache number */
1983                         cache_list_cur = cache_list_cur->next;
1984                         folder_list_cur = folder_list_cur->next;
1985
1986                         if (cache_list_cur != NULL)
1987                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1988                         else
1989                                 cache_cur_num = G_MAXINT;
1990
1991                         if (folder_list_cur != NULL)
1992                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1993                         else
1994                                 folder_cur_num = G_MAXINT;
1995
1996                         continue;
1997                 }
1998         }
1999
2000         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
2001                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
2002
2003         g_slist_free(cache_list);
2004         g_slist_free(folder_list);
2005
2006         if (new_list != NULL) {
2007                 GSList *tmp_list = NULL;
2008                 newmsg_list = get_msginfos(item, new_list);
2009                 g_slist_free(new_list);
2010                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
2011                 syncronize_flags(item, tmp_list);
2012                 g_slist_free(tmp_list);
2013         } else {
2014                 syncronize_flags(item, exists_list);
2015         }
2016
2017         folder_item_update_freeze();
2018         if (newmsg_list != NULL) {
2019                 GSList *elem, *to_filter = NULL;
2020                 gboolean do_filter = (filtering == TRUE) &&
2021                                         (item->stype == F_INBOX) &&
2022                                         (item->folder->account != NULL) &&
2023                                         (item->folder->account->filter_on_recv);
2024
2025                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
2026                         MsgInfo *msginfo = (MsgInfo *) elem->data;
2027
2028                         msgcache_add_msg(item->cache, msginfo);
2029                         if (!do_filter) {
2030                                 exists_list = g_slist_prepend(exists_list, msginfo);
2031
2032                                 if(prefs_common.thread_by_subject &&
2033                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2034                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2035                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2036                                 }
2037                         }
2038                 }
2039
2040                 if (do_filter) {
2041                         GSList *unfiltered;
2042                         procmsg_msglist_filter(newmsg_list, item->folder->account,
2043                                         &to_filter, &unfiltered,
2044                                         TRUE);
2045
2046                         filtering_move_and_copy_msgs(newmsg_list);
2047                         if (to_filter != NULL) {
2048                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
2049                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2050                                         procmsg_msginfo_free(msginfo);
2051                                 }
2052                                 g_slist_free(to_filter);
2053                         }
2054                         if (unfiltered != NULL) {
2055                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
2056                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2057                                         exists_list = g_slist_prepend(exists_list, msginfo);
2058
2059                                         if(prefs_common.thread_by_subject &&
2060                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2061                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
2062                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
2063                                         }
2064                                 }
2065                                 g_slist_free(unfiltered);
2066                         }
2067                         if (prefs_common.real_time_sync)
2068                                 folder_item_synchronise(item);
2069                 } else {
2070                         if (prefs_common.real_time_sync)
2071                                 folder_item_synchronise(item);
2072                 }
2073
2074                 g_slist_free(newmsg_list);
2075
2076                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2077         }
2078
2079         folder_item_set_batch(item, TRUE);
2080         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
2081                 MsgInfo *msginfo, *parent_msginfo;
2082
2083                 msginfo = elem->data;
2084                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2085                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2086                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2087                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2088                 }
2089                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2090                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2091                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2092                 {
2093                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2094                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2095                                                 MSG_NEW | MSG_UNREAD, 0);
2096                         }
2097                 }
2098                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2099                      folder_has_parent_of_type(item, F_QUEUE)  ||
2100                      folder_has_parent_of_type(item, F_DRAFT)  ||
2101                      folder_has_parent_of_type(item, F_TRASH)) &&
2102                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2103                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2104                 if (MSG_IS_NEW(msginfo->flags))
2105                         newcnt++;
2106                 if (MSG_IS_UNREAD(msginfo->flags))
2107                         unreadcnt++;
2108                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2109                         unreadmarkedcnt++;
2110                 if (MSG_IS_MARKED(msginfo->flags))
2111                         markedcnt++;
2112
2113                 totalcnt++;
2114
2115                 procmsg_msginfo_free(msginfo);
2116         }
2117         folder_item_set_batch(item, FALSE);
2118         g_slist_free(exists_list);
2119
2120         if(prefs_common.thread_by_subject) {
2121                 g_hash_table_destroy(subject_table);
2122         }
2123
2124         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2125         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2126         ||  item->unreadmarked_msgs != unreadmarkedcnt) {
2127                 update_flags |= F_ITEM_UPDATE_CONTENT;
2128         }
2129
2130         item->new_msgs = newcnt;
2131         item->unread_msgs = unreadcnt;
2132         item->total_msgs = totalcnt;
2133         item->unreadmarked_msgs = unreadmarkedcnt;
2134         item->marked_msgs = markedcnt;
2135
2136         update_flags |= F_ITEM_UPDATE_MSGCNT;
2137
2138         folder_item_update(item, update_flags);
2139         folder_item_update_thaw();
2140
2141         item->scanning = FALSE;
2142
2143         return 0;
2144 }
2145
2146 gint folder_item_scan(FolderItem *item)
2147 {
2148         return folder_item_scan_full(item, TRUE);
2149 }
2150
2151 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
2152                                           gpointer data)
2153 {
2154         folder_item_scan(FOLDER_ITEM(key));
2155 }
2156
2157 void folder_item_scan_foreach(GHashTable *table)
2158 {
2159         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
2160 }
2161
2162 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2163 {
2164         gint *memusage = (gint *)data;
2165
2166         if (item->cache == NULL)
2167                 return;
2168
2169         *memusage += msgcache_get_memory_usage(item->cache);
2170 }
2171
2172 gint folder_item_syncronize_flags(FolderItem *item)
2173 {
2174         MsgInfoList *msglist = NULL;
2175         GSList *cur;
2176         gint ret = 0;
2177
2178         g_return_val_if_fail(item != NULL, -1);
2179         g_return_val_if_fail(item->folder != NULL, -1);
2180         g_return_val_if_fail(item->folder->klass != NULL, -1);
2181         if (item->no_select)
2182                 return -1;
2183
2184         item->scanning = TRUE;
2185
2186         if (item->cache == NULL)
2187                 folder_item_read_cache(item);
2188
2189         msglist = msgcache_get_msg_list(item->cache);
2190
2191         ret = syncronize_flags(item, msglist);
2192
2193         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
2194                 procmsg_msginfo_free((MsgInfo *) cur->data);
2195
2196         g_slist_free(msglist);
2197
2198         item->scanning = FALSE;
2199
2200         return ret;
2201 }
2202
2203 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2204 {
2205         FolderItem *fa = (FolderItem *)a;
2206         FolderItem *fb = (FolderItem *)b;
2207
2208         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2209 }
2210
2211 static void folder_find_expired_caches(FolderItem *item, gpointer data)
2212 {
2213         GSList **folder_item_list = (GSList **)data;
2214         gint difftime, expiretime;
2215
2216         if (item->cache == NULL)
2217                 return;
2218
2219         if (item->opened > 0)
2220                 return;
2221
2222         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2223         expiretime = prefs_common.cache_min_keep_time * 60;
2224         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2225
2226         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2227                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2228         }
2229 }
2230
2231 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2232 {
2233         g_return_val_if_fail(item != NULL, TRUE);
2234
2235         if (item->cache == NULL)
2236                 return TRUE;
2237
2238         if (item->opened > 0 && !force)
2239                 return FALSE;
2240
2241         folder_item_write_cache(item);
2242         msgcache_destroy(item->cache);
2243         item->cache = NULL;
2244         return TRUE;
2245 }
2246
2247 void folder_clean_cache_memory_force(void)
2248 {
2249         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2250         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2251
2252         prefs_common.cache_max_mem_usage = 0;
2253         prefs_common.cache_min_keep_time = 0;
2254
2255         folder_clean_cache_memory(NULL);
2256
2257         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2258         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2259 }
2260
2261 void folder_clean_cache_memory(FolderItem *protected_item)
2262 {
2263         gint memusage = 0;
2264
2265         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2266         debug_print("Total cache memory usage: %d\n", memusage);
2267
2268         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2269                 GSList *folder_item_list = NULL, *listitem;
2270
2271                 debug_print("Trying to free cache memory\n");
2272
2273                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2274                 listitem = folder_item_list;
2275                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2276                         FolderItem *item = (FolderItem *)(listitem->data);
2277                         gint cache_size = 0;
2278                         if (item == protected_item) {
2279                                 listitem = listitem->next;
2280                                 continue;
2281                         }
2282                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2283                         cache_size = msgcache_get_memory_usage(item->cache);
2284                         if (folder_item_free_cache(item, FALSE))
2285                                 memusage -= cache_size;
2286
2287                         listitem = listitem->next;
2288                 }
2289                 g_slist_free(folder_item_list);
2290         }
2291 }
2292
2293 static void folder_item_read_cache(FolderItem *item)
2294 {
2295         gchar *cache_file, *mark_file;
2296         START_TIMING("");
2297         g_return_if_fail(item != NULL);
2298
2299         if (item->path != NULL) {
2300                 cache_file = folder_item_get_cache_file(item);
2301                 mark_file = folder_item_get_mark_file(item);
2302                 item->cache = msgcache_read_cache(item, cache_file);
2303                 if (!item->cache) {
2304                         MsgInfoList *list, *cur;
2305                         guint newcnt = 0, unreadcnt = 0;
2306                         guint markedcnt = 0, unreadmarkedcnt = 0;
2307                         MsgInfo *msginfo;
2308
2309                         item->cache = msgcache_new();
2310                         folder_item_scan_full(item, TRUE);
2311
2312                         msgcache_read_mark(item->cache, mark_file);
2313
2314                         list = msgcache_get_msg_list(item->cache);
2315                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2316                                 msginfo = cur->data;
2317
2318                                 if (MSG_IS_NEW(msginfo->flags))
2319                                         newcnt++;
2320                                 if (MSG_IS_UNREAD(msginfo->flags))
2321                                         unreadcnt++;
2322                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2323                                         unreadmarkedcnt++;
2324                                 if (MSG_IS_MARKED(msginfo->flags))
2325                                         markedcnt++;
2326                         }
2327                         item->new_msgs = newcnt;
2328                         item->unread_msgs = unreadcnt;
2329                         item->unreadmarked_msgs = unreadmarkedcnt;
2330                         item->marked_msgs = markedcnt;
2331                         procmsg_msg_list_free(list);
2332                 } else
2333                         msgcache_read_mark(item->cache, mark_file);
2334
2335                 g_free(cache_file);
2336                 g_free(mark_file);
2337         } else {
2338                 item->cache = msgcache_new();
2339         }
2340         END_TIMING();
2341         folder_clean_cache_memory(item);
2342 }
2343
2344 void folder_item_write_cache(FolderItem *item)
2345 {
2346         gchar *cache_file, *mark_file;
2347         FolderItemPrefs *prefs;
2348         gint filemode = 0;
2349         gchar *id;
2350         time_t last_mtime = (time_t)0;
2351         gboolean need_scan = FALSE;
2352
2353         if (!item || !item->path || !item->cache)
2354                 return;
2355
2356         if (FOLDER_TYPE(item->folder) == F_MH) {
2357                 last_mtime = item->mtime;
2358                 need_scan = item->folder->klass->scan_required(item->folder, item);
2359         }
2360
2361         id = folder_item_get_identifier(item);
2362         debug_print("Save cache for folder %s\n", id);
2363         g_free(id);
2364
2365         cache_file = folder_item_get_cache_file(item);
2366         mark_file = folder_item_get_mark_file(item);
2367         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2368                 prefs = item->prefs;
2369                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2370                         /* for cache file */
2371                         filemode = prefs->folder_chmod;
2372                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2373                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2374                         chmod(cache_file, filemode);
2375                 }
2376         }
2377
2378         if (!need_scan && FOLDER_TYPE(item->folder) == F_MH) {
2379                 if (item->mtime == last_mtime) {
2380                         mh_set_mtime(item);
2381                 }
2382         }
2383
2384         g_free(cache_file);
2385         g_free(mark_file);
2386 }
2387
2388 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2389 {
2390         Folder *folder;
2391         MsgInfo *msginfo = NULL;
2392
2393         g_return_val_if_fail(item != NULL, NULL);
2394         if (item->no_select)
2395                 return NULL;
2396         folder = item->folder;
2397         if (!item->cache)
2398                 folder_item_read_cache(item);
2399
2400         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2401                 return msginfo;
2402
2403         msginfo = get_msginfo(item, num);
2404         if (msginfo != NULL) {
2405                 msgcache_add_msg(item->cache, msginfo);
2406                 return msginfo;
2407         }
2408
2409         return NULL;
2410 }
2411
2412 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2413 {
2414         Folder *folder;
2415         MsgInfo *msginfo;
2416
2417         g_return_val_if_fail(item != NULL, NULL);
2418         g_return_val_if_fail(msgid != NULL, NULL);
2419         if (item->no_select)
2420                 return FALSE;
2421
2422         folder = item->folder;
2423         if (!item->cache)
2424                 folder_item_read_cache(item);
2425
2426         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2427                 return msginfo;
2428
2429         return NULL;
2430 }
2431
2432 GSList *folder_item_get_msg_list(FolderItem *item)
2433 {
2434         g_return_val_if_fail(item != NULL, NULL);
2435         if (item->no_select)
2436                 return FALSE;
2437
2438         if (item->cache == 0)
2439                 folder_item_read_cache(item);
2440
2441         g_return_val_if_fail(item->cache != NULL, NULL);
2442
2443         return msgcache_get_msg_list(item->cache);
2444 }
2445
2446 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2447 {
2448         MsgInfo *msginfo = data;
2449         MimeInfo *mimeinfo = node->data;
2450
2451         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2452          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2453                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2454         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2455                  mimeinfo->type != MIMETYPE_TEXT &&
2456                  mimeinfo->type != MIMETYPE_MULTIPART) {
2457                 if (!mimeinfo->subtype
2458                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2459                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2460         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2461                 strcmp(mimeinfo->subtype, "pgp-signature") &&
2462                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2463                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2464                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2465         }
2466
2467         /* don't descend below top level message for signed and encrypted info */
2468         if (mimeinfo->type == MIMETYPE_MESSAGE)
2469                 return;
2470
2471         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2472                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2473         }
2474
2475         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2476                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2477         } else {
2478                 /* searching inside encrypted parts doesn't really make sense */
2479                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2480         }
2481 }
2482
2483 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2484 {
2485         Folder *folder;
2486         gchar *msgfile;
2487         MsgInfo *msginfo;
2488
2489         g_return_val_if_fail(item != NULL, NULL);
2490
2491         folder = item->folder;
2492
2493         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2494         if (item->no_select)
2495                 return NULL;
2496
2497         msgfile = folder->klass->fetch_msg(folder, item, num);
2498
2499         if (msgfile != NULL) {
2500                 msginfo = folder_item_get_msginfo(item, num);
2501                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2502                         MimeInfo *mimeinfo;
2503
2504                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2505                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2506                                 mimeinfo = procmime_scan_file(msgfile);
2507                         else
2508                                 mimeinfo = procmime_scan_queue_file(msgfile);
2509                         /* check for attachments */
2510                         if (mimeinfo != NULL) {
2511                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2512                                 procmime_mimeinfo_free_all(mimeinfo);
2513
2514                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2515                         }
2516                 }
2517                 procmsg_msginfo_free(msginfo);
2518         }
2519
2520         return msgfile;
2521 }
2522
2523 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2524                                   gboolean body)
2525 {
2526         Folder *folder;
2527         gchar *msgfile;
2528         MsgInfo *msginfo;
2529
2530         g_return_val_if_fail(item != NULL, NULL);
2531         if (item->no_select)
2532                 return NULL;
2533
2534         folder = item->folder;
2535
2536         if (folder->klass->fetch_msg_full == NULL)
2537                 return folder_item_fetch_msg(item, num);
2538
2539         if (item->prefs->offlinesync && prefs_common.real_time_sync)
2540                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2541                                                 TRUE, TRUE);
2542         else
2543                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2544                                                 headers, body);
2545
2546         if (msgfile != NULL) {
2547                 msginfo = folder_item_get_msginfo(item, num);
2548                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2549                         MimeInfo *mimeinfo;
2550
2551                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2552                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2553                                 mimeinfo = procmime_scan_file(msgfile);
2554                         else
2555                                 mimeinfo = procmime_scan_queue_file(msgfile);
2556                         /* check for attachments */
2557                         if (mimeinfo != NULL) {
2558                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2559                                 procmime_mimeinfo_free_all(mimeinfo);
2560
2561                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2562                         }
2563                 }
2564                 procmsg_msginfo_free(msginfo);
2565         }
2566
2567         return msgfile;
2568 }
2569
2570
2571 gint folder_item_fetch_all_msg(FolderItem *item)
2572 {
2573         Folder *folder;
2574         GSList *mlist;
2575         GSList *cur;
2576         gint num = 0;
2577         gint ret = 0;
2578         gint total = 0;
2579
2580         g_return_val_if_fail(item != NULL, -1);
2581         if (item->no_select)
2582                 return -1;
2583
2584         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2585         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2586
2587         folder = item->folder;
2588
2589         if (folder->ui_func)
2590                 folder->ui_func(folder, item, folder->ui_func_data ?
2591                                 folder->ui_func_data : GINT_TO_POINTER(num));
2592
2593         mlist = folder_item_get_msg_list(item);
2594
2595         total = g_slist_length(mlist);
2596
2597         for (cur = mlist; cur != NULL; cur = cur->next) {
2598                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2599                 gchar *msg;
2600
2601                 statusbar_progress_all(num++,total, 10);
2602
2603                 if (folder->ui_func)
2604                         folder->ui_func(folder, item,
2605                                         folder->ui_func_data ?
2606                                         folder->ui_func_data :
2607                                         GINT_TO_POINTER(num));
2608                 if (num % 50 == 0)
2609                         GTK_EVENTS_FLUSH();
2610
2611                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2612                 if (!msg) {
2613                         g_warning("Can't fetch message %d. Aborting.\n",
2614                                   msginfo->msgnum);
2615                         ret = -1;
2616                         break;
2617                 }
2618                 g_free(msg);
2619         }
2620
2621         statusbar_progress_all(0,0,0);
2622         statusbar_pop_all();
2623         procmsg_msg_list_free(mlist);
2624
2625         return ret;
2626 }
2627
2628 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2629 {
2630         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2631                                        {NULL,           NULL, FALSE}};
2632         FILE *fp;
2633         MsgInfo *msginfo;
2634         gint msgnum = 0;
2635         gchar buf[BUFFSIZE];
2636
2637         if ((fp = g_fopen(file, "rb")) == NULL)
2638                 return 0;
2639
2640         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2641             (folder_has_parent_of_type(dest, F_DRAFT)))
2642                 while (fgets(buf, sizeof(buf), fp) != NULL)
2643                         if (buf[0] == '\r' || buf[0] == '\n') break;
2644
2645         procheader_get_header_fields(fp, hentry);
2646         if (hentry[0].body) {
2647                 extract_parenthesis(hentry[0].body, '<', '>');
2648                 remove_space(hentry[0].body);
2649                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2650                         msgnum = msginfo->msgnum;
2651                         procmsg_msginfo_free(msginfo);
2652
2653                         debug_print("found message as uid %d\n", msgnum);
2654                 }
2655         }
2656
2657         g_free(hentry[0].body);
2658         hentry[0].body = NULL;
2659         fclose(fp);
2660
2661         return msgnum;
2662 }
2663
2664 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2665 {
2666         MsgPermFlags perm_flags = 0;
2667         MsgTmpFlags tmp_flags = 0;
2668
2669         /* create new flags */
2670         if (source != NULL) {
2671                 /* copy original flags */
2672                 perm_flags = source->flags.perm_flags;
2673                 tmp_flags = source->flags.tmp_flags;
2674         } else {
2675                 perm_flags = dest->flags.perm_flags;
2676                 tmp_flags = dest->flags.tmp_flags;
2677         }
2678
2679         /* remove new, unread and deleted in special folders */
2680         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2681             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2682             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2683             folder_has_parent_of_type(dest->folder, F_TRASH))
2684                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2685
2686         /* set ignore flag of ignored parent exists */
2687         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2688                 perm_flags |= MSG_IGNORE_THREAD;
2689
2690         /* Unset tmp flags that should not be copied */
2691         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
2692
2693         /* unset flags that are set but should not */
2694         /* and set new flags */
2695         procmsg_msginfo_change_flags(dest,
2696                                   ~dest->flags.perm_flags & perm_flags,
2697                                   ~dest->flags.tmp_flags  & tmp_flags,
2698                                    dest->flags.perm_flags & ~perm_flags,
2699                                    dest->flags.tmp_flags  & ~tmp_flags);
2700 }
2701
2702 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2703 {
2704         /* update folder stats */
2705         if (MSG_IS_NEW(newmsginfo->flags))
2706                 item->new_msgs++;
2707         if (MSG_IS_UNREAD(newmsginfo->flags))
2708                 item->unread_msgs++;
2709         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2710                 item->unreadmarked_msgs++;
2711         if (MSG_IS_MARKED(newmsginfo->flags))
2712                 item->marked_msgs++;
2713         item->total_msgs++;
2714
2715         folder_item_update_freeze();
2716
2717         if (!item->cache)
2718                 folder_item_read_cache(item);
2719
2720         msgcache_add_msg(item->cache, newmsginfo);
2721         copy_msginfo_flags(flagsource, newmsginfo);
2722         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2723         folder_item_update_thaw();
2724 }
2725
2726 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2727 {
2728         MsgInfoUpdate msginfo_update;
2729
2730         if (!item->cache)
2731                 folder_item_read_cache(item);
2732
2733         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2734                 msginfo->folder->new_msgs--;
2735         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2736                 msginfo->folder->unread_msgs--;
2737         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2738                 msginfo->folder->unreadmarked_msgs--;
2739         if (MSG_IS_MARKED(msginfo->flags))
2740                 item->marked_msgs--;
2741
2742         msginfo->folder->total_msgs--;
2743
2744         msginfo_update.msginfo = msginfo;
2745         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2746         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2747
2748         msgcache_remove_msg(item->cache, msginfo->msgnum);
2749         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2750 }
2751
2752 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2753                          MsgFlags *flags, gboolean remove_source)
2754 {
2755         GSList file_list;
2756         MsgFileInfo fileinfo;
2757
2758         g_return_val_if_fail(dest != NULL, -1);
2759         g_return_val_if_fail(file != NULL, -1);
2760
2761         fileinfo.msginfo = NULL;
2762         fileinfo.file = (gchar *)file;
2763         fileinfo.flags = flags;
2764         file_list.data = &fileinfo;
2765         file_list.next = NULL;
2766
2767         return folder_item_add_msgs(dest, &file_list, remove_source);
2768 }
2769
2770 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2771                           gboolean remove_source)
2772 {
2773         Folder *folder;
2774         gint ret, num, lastnum = -1;
2775         GSList *file_cur;
2776         GRelation *relation;
2777         MsgFileInfo *fileinfo = NULL;
2778         gboolean folderscan = FALSE;
2779
2780         g_return_val_if_fail(dest != NULL, -1);
2781         g_return_val_if_fail(file_list != NULL, -1);
2782         g_return_val_if_fail(dest->folder != NULL, -1);
2783         if (dest->no_select)
2784                 return -1;
2785
2786         folder = dest->folder;
2787
2788         relation = g_relation_new(2);
2789         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2790
2791         if (folder->klass->add_msgs != NULL) {
2792                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2793                 if (ret < 0) {
2794                         g_relation_destroy(relation);
2795                         return ret;
2796                 }
2797         } else {
2798                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2799                         fileinfo = (MsgFileInfo *) file_cur->data;
2800
2801                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2802                         if (ret < 0) {
2803                                 g_relation_destroy(relation);
2804                                 return ret;
2805                         }
2806                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2807                 }
2808         }
2809
2810         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2811                 GTuples *tuples;
2812
2813                 fileinfo = (MsgFileInfo *) file_cur->data;
2814                 tuples = g_relation_select(relation, fileinfo, 0);
2815                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2816                 g_tuples_destroy(tuples);
2817
2818                 if (num >= 0) {
2819                         MsgInfo *newmsginfo;
2820
2821                         if (num == 0) {
2822                                 if (!folderscan) {
2823                                         folder_item_scan_full(dest, FALSE);
2824                                         folderscan = TRUE;
2825                                 }
2826                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2827                         }
2828
2829                         if (num > lastnum)
2830                                 lastnum = num;
2831
2832                         if (num >= 0 && remove_source) {
2833                                 if (g_unlink(fileinfo->file) < 0)
2834                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2835                         }
2836
2837                         if (num == 0)
2838                                 continue;
2839
2840                         if (!folderscan &&
2841                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2842                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2843                                 procmsg_msginfo_free(newmsginfo);
2844                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2845                                 /* TODO: set default flags */
2846                                 procmsg_msginfo_free(newmsginfo);
2847                         }
2848                 }
2849         }
2850
2851         g_relation_destroy(relation);
2852
2853         return lastnum;
2854 }
2855
2856 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
2857 {
2858         GSList *mlist;
2859         FolderItem *new_item;
2860         FolderItem *next_item;
2861         GNode *srcnode;
2862         gchar *old_id, *new_id;
2863
2864         /* move messages */
2865         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
2866         new_item = folder_create_folder(dest, src->name);
2867         if (new_item == NULL) {
2868                 printf("Can't create folder\n");
2869                 return NULL;
2870         }
2871
2872         if (new_item->folder == NULL)
2873                 new_item->folder = dest->folder;
2874
2875         /* move messages */
2876         log_message(LOG_PROTOCOL, copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
2877                         src->name, new_item->path);
2878
2879         mlist = folder_item_get_msg_list(src);
2880
2881         if (mlist != NULL) {
2882                 if (copy)
2883                         folder_item_copy_msgs(new_item, mlist);
2884                 else
2885                         folder_item_move_msgs(new_item, mlist);
2886                 procmsg_msg_list_free(mlist);
2887         }
2888
2889         /*copy prefs*/
2890         folder_item_prefs_copy_prefs(src, new_item);
2891
2892         /* copy internal data */
2893         if (src->folder->klass == new_item->folder->klass &&
2894             src->folder->klass->copy_private_data != NULL)
2895                 src->folder->klass->copy_private_data(src->folder,
2896                                         src, new_item);
2897         new_item->collapsed = src->collapsed;
2898         new_item->thread_collapsed = src->thread_collapsed;
2899         new_item->threaded  = src->threaded;
2900         new_item->ret_rcpt  = src->ret_rcpt;
2901         new_item->hide_read_msgs = src->hide_read_msgs;
2902         new_item->sort_key  = src->sort_key;
2903         new_item->sort_type = src->sort_type;
2904
2905         prefs_matcher_write_config();
2906
2907         /* recurse */
2908         srcnode = src->folder->node;
2909         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2910         srcnode = srcnode->children;
2911         while (srcnode != NULL) {
2912                 if (srcnode && srcnode->data) {
2913                         next_item = (FolderItem*) srcnode->data;
2914                         srcnode = srcnode->next;
2915                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
2916                                 return NULL;
2917                         }
2918                 }
2919         }
2920         old_id = folder_item_get_identifier(src);
2921         new_id = folder_item_get_identifier(new_item);
2922
2923         /* if src supports removing, otherwise only copy folder */
2924         if (src->folder->klass->remove_folder != NULL && !copy)
2925                 src->folder->klass->remove_folder(src->folder, src);
2926         folder_write_list();
2927
2928         if (!copy) {
2929                 debug_print("updating rules : %s => %s\n", old_id, new_id);
2930                 if (old_id != NULL && new_id != NULL) {
2931                         prefs_filtering_rename_path(old_id, new_id);
2932                         account_rename_path(old_id, new_id);
2933                 }
2934         }
2935         g_free(old_id);
2936         g_free(new_id);
2937
2938         return new_item;
2939 }
2940
2941 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
2942 {
2943         FolderItem *tmp = folder_item_parent(dest);
2944         gchar * src_identifier, * dst_identifier;
2945         gchar * phys_srcpath, * phys_dstpath, *tmppath;
2946
2947         while (tmp) {
2948                 if (tmp == src) {
2949                         return F_MOVE_FAILED_DEST_IS_CHILD;
2950                 }
2951                 tmp = folder_item_parent(tmp);
2952         }
2953
2954         tmp = folder_item_parent(src);
2955
2956         src_identifier = folder_item_get_identifier(src);
2957         dst_identifier = folder_item_get_identifier(dest);
2958
2959         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2960                 /* dest can be a root folder */
2961                 dst_identifier = folder_get_identifier(dest->folder);
2962         }
2963         if (src_identifier == NULL || dst_identifier == NULL) {
2964                 debug_print("Can't get identifiers\n");
2965                 return F_MOVE_FAILED;
2966         }
2967
2968         if (src->folder != dest->folder && !copy) {
2969                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2970         }
2971
2972         phys_srcpath = folder_item_get_path(src);
2973         tmppath = folder_item_get_path(dest);
2974         phys_dstpath = g_strconcat(tmppath,
2975                        G_DIR_SEPARATOR_S,
2976                        g_path_get_basename(phys_srcpath),
2977                        NULL);
2978         g_free(tmppath);
2979
2980         if (folder_item_parent(src) == dest || src == dest) {
2981                 g_free(src_identifier);
2982                 g_free(dst_identifier);
2983                 g_free(phys_srcpath);
2984                 g_free(phys_dstpath);
2985                 return F_MOVE_FAILED_DEST_IS_PARENT;
2986         }
2987         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2988         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
2989                 return F_MOVE_FAILED;
2990         }
2991
2992         g_free(src_identifier);
2993         g_free(dst_identifier);
2994         g_free(phys_srcpath);
2995         g_free(phys_dstpath);
2996
2997         *new_item = tmp;
2998
2999         return F_MOVE_OK;
3000 }
3001
3002 /**
3003  * Copy a list of message to a new folder and remove
3004  * source messages if wanted
3005  */
3006 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
3007 {
3008         Folder *folder;
3009         GSList *l;
3010         gint num, lastnum = -1;
3011         gboolean folderscan = FALSE;
3012         GRelation *relation;
3013         GSList *not_moved = NULL;
3014         gint total = 0, curmsg = 0;
3015         MsgInfo *msginfo = NULL;
3016
3017         g_return_val_if_fail(dest != NULL, -1);
3018         g_return_val_if_fail(msglist != NULL, -1);
3019
3020         folder = dest->folder;
3021
3022         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
3023         if (dest->no_select)
3024                 return -1;
3025
3026         msginfo = (MsgInfo *)msglist->data;
3027
3028         if (!msginfo)
3029                 return -1;
3030
3031         if (!MSG_IS_QUEUED(msginfo->flags) &&
3032             MSG_IS_DRAFT(msginfo->flags) &&
3033             folder_has_parent_of_type(dest, F_QUEUE)) {
3034                 GSList *cur = msglist;
3035                 gboolean queue_err = FALSE;
3036                 for (; cur; cur = cur->next) {
3037                         Compose *compose = NULL;
3038                         FolderItem *queue = dest;
3039                         int val = 0;
3040
3041                         msginfo = (MsgInfo *)cur->data;
3042                         compose = compose_reedit(msginfo, TRUE);
3043                         if (compose == NULL) {
3044                                 queue_err = TRUE;
3045                                 continue;
3046                         }
3047                         val = compose_queue(compose, NULL, &queue, NULL,
3048                                         FALSE);
3049                         if (val < 0) {
3050                                 queue_err = TRUE;
3051                         } else if (remove_source) {
3052                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
3053                         }
3054                         if (val == 0)
3055                                 compose_close(compose);
3056                 }
3057                 return queue_err ? -1:0;
3058         }
3059
3060         relation = g_relation_new(2);
3061         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
3062         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
3063
3064         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
3065                 MsgInfo * msginfo = (MsgInfo *) l->data;
3066
3067                 if (msginfo->planned_download != 0) {
3068                         int old_planned = msginfo->planned_download;
3069                         partial_unmark(msginfo);
3070                         /* little hack to reenable after */
3071                         msginfo->planned_download = old_planned;
3072                 }
3073         }
3074
3075         /*
3076          * Copy messages to destination folder and
3077          * store new message numbers in newmsgnums
3078          */
3079         if (folder->klass->copy_msgs != NULL) {
3080                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3081                         g_relation_destroy(relation);
3082                         return -1;
3083                 }
3084         } else {
3085                 MsgInfo * msginfo;
3086                 l = msglist;
3087
3088                 /* immediately stop if src and dest folders are identical */
3089                 if (l != NULL) {
3090                         msginfo = (MsgInfo *) l->data;
3091                         if (msginfo != NULL && msginfo->folder == dest) {
3092                                 g_relation_destroy(relation);
3093                                 return -1;
3094                         }
3095                 }
3096
3097                 for (; l != NULL ; l = g_slist_next(l)) {
3098                         msginfo = (MsgInfo *) l->data;
3099
3100                         num = folder->klass->copy_msg(folder, dest, msginfo);
3101                         if (num > 0)
3102                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
3103                         else
3104                                 not_moved = g_slist_prepend(not_moved, msginfo);
3105                 }
3106         }
3107
3108         if (remove_source) {
3109                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3110                 FolderItem *item = msginfo->folder;
3111                 /*
3112                  * Remove source messages from their folders if
3113                  * copying was successfull and update folder
3114                  * message counts
3115                  */
3116                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3117                         item->folder->klass->remove_msgs(item->folder,
3118                                                                 msginfo->folder,
3119                                                                 msglist,
3120                                                                 relation);
3121                 }
3122                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3123                         GTuples *tuples;
3124                         msginfo = (MsgInfo *) l->data;
3125                         item = msginfo->folder;
3126
3127                         tuples = g_relation_select(relation, msginfo, 0);
3128                         if (tuples) {
3129                                 if (tuples->len)
3130                                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3131                                 else
3132                                         num = 0;
3133                                 g_tuples_destroy(tuples);
3134                         } else {
3135                                 num = -1;
3136                         }
3137
3138                         if (g_slist_find(not_moved, msginfo))
3139                                 continue;
3140
3141                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3142                                 if (!item->folder->klass->remove_msgs)
3143                                         item->folder->klass->remove_msg(item->folder,
3144                                                                 msginfo->folder,
3145                                                                 msginfo->msgnum);
3146                                 remove_msginfo_from_cache(item, msginfo);
3147                         }
3148                 }
3149         }
3150
3151         /* Read cache for dest folder */
3152         if (!dest->cache) folder_item_read_cache(dest);
3153
3154         /*
3155          * Fetch new MsgInfos for new messages in dest folder,
3156          * add them to the msgcache and update folder message counts
3157          */
3158         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
3159                 folder_item_scan_full(dest, FALSE);
3160                 folderscan = TRUE;
3161         }
3162
3163         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3164         total = g_slist_length(msglist);
3165         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3166                 MsgInfo *msginfo = (MsgInfo *) l->data;
3167                 GTuples *tuples;
3168
3169                 tuples = g_relation_select(relation, msginfo, 0);
3170                 if (tuples->len > 0) {
3171                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3172                         g_tuples_destroy(tuples);
3173                 } else {
3174                         num = 0;
3175                         if (tuples)
3176                                 g_tuples_destroy(tuples);
3177                 }
3178                 statusbar_progress_all(curmsg++,total, 100);
3179                 if (curmsg % 100 == 0)
3180                         GTK_EVENTS_FLUSH();
3181
3182                 if (num >= 0) {
3183                         MsgInfo *newmsginfo = NULL;
3184
3185                         if (!folderscan && num > 0) {
3186                                 newmsginfo = get_msginfo(dest, num);
3187                                 if (newmsginfo != NULL) {
3188                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3189                                 }
3190                         }
3191                         if (newmsginfo == NULL) {
3192                                 if (!folderscan) {
3193                                         folder_item_scan_full(dest, FALSE);
3194                                         folderscan = TRUE;
3195                                 }
3196                                 if (msginfo->msgid != NULL) {
3197                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3198                                         if (newmsginfo != NULL) {
3199                                                 copy_msginfo_flags(msginfo, newmsginfo);
3200                                                 num = newmsginfo->msgnum;
3201                                         }
3202                                 }
3203                         }
3204
3205                         if (msginfo->planned_download
3206                             == POP3_PARTIAL_DLOAD_DELE) {
3207                                 partial_mark_for_delete(newmsginfo);
3208                         }
3209                         if (msginfo->planned_download
3210                             == POP3_PARTIAL_DLOAD_DLOAD) {
3211                                 partial_mark_for_download(newmsginfo);
3212                         }
3213                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3214                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3215                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3216                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3217                         }
3218                         procmsg_msginfo_free(newmsginfo);
3219
3220
3221                         if (num > lastnum)
3222                                 lastnum = num;
3223                 }
3224         }
3225         statusbar_progress_all(0,0,0);
3226         statusbar_pop_all();
3227
3228         g_relation_destroy(relation);
3229         if (not_moved != NULL) {
3230                 g_slist_free(not_moved);
3231                 return -1;
3232         } else
3233                 return lastnum;
3234 }
3235
3236 /**
3237  * Move a message to a new folder.
3238  *
3239  * \param dest Destination folder
3240  * \param msginfo The message
3241  */
3242 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3243 {
3244         GSList list;
3245
3246         g_return_val_if_fail(dest != NULL, -1);
3247         g_return_val_if_fail(msginfo != NULL, -1);
3248
3249         list.data = msginfo;
3250         list.next = NULL;
3251
3252         return do_copy_msgs(dest, &list, TRUE);
3253 }
3254
3255 /**
3256  * Move a list of messages to a new folder.
3257  *
3258  * \param dest Destination folder
3259  * \param msglist List of messages
3260  */
3261 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3262 {
3263         gint result = -1;
3264         g_return_val_if_fail(dest != NULL, -1);
3265         g_return_val_if_fail(msglist != NULL, -1);
3266         inc_lock();
3267         result = do_copy_msgs(dest, msglist, TRUE);
3268         inc_unlock();
3269         return result;
3270 }
3271
3272 /**
3273  * Copy a message to a new folder.
3274  *
3275  * \param dest Destination folder
3276  * \param msginfo The message
3277  */
3278 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3279 {
3280         GSList list;
3281
3282         g_return_val_if_fail(dest != NULL, -1);
3283         g_return_val_if_fail(msginfo != NULL, -1);
3284
3285         list.data = msginfo;
3286         list.next = NULL;
3287
3288         return do_copy_msgs(dest, &list, FALSE);
3289 }
3290
3291 /**
3292  * Copy a list of messages to a new folder.
3293  *
3294  * \param dest Destination folder
3295  * \param msglist List of messages
3296  */
3297 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3298 {
3299         gint result;
3300         g_return_val_if_fail(dest != NULL, -1);
3301         g_return_val_if_fail(msglist != NULL, -1);
3302
3303         inc_lock();
3304         result = do_copy_msgs(dest, msglist, FALSE);
3305         inc_unlock();
3306
3307         return result;
3308 }
3309
3310 gint folder_item_remove_msg(FolderItem *item, gint num)
3311 {
3312         Folder *folder;
3313         gint ret;
3314         MsgInfo *msginfo;
3315
3316         g_return_val_if_fail(item != NULL, -1);
3317         folder = item->folder;
3318         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3319         if (item->no_select)
3320                 return -1;
3321
3322         if (!item->cache) folder_item_read_cache(item);
3323
3324         ret = folder->klass->remove_msg(folder, item, num);
3325
3326         msginfo = msgcache_get_msg(item->cache, num);
3327         if (msginfo != NULL) {
3328                 remove_msginfo_from_cache(item, msginfo);
3329                 procmsg_msginfo_free(msginfo);
3330         }
3331
3332         return ret;
3333 }
3334
3335 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3336 {
3337         Folder *folder;
3338         gint ret = 0;
3339
3340         g_return_val_if_fail(item != NULL, -1);
3341         folder = item->folder;
3342         g_return_val_if_fail(folder != NULL, -1);
3343         if (item->no_select)
3344                 return -1;
3345         inc_lock();
3346         if (!item->cache) folder_item_read_cache(item);
3347
3348         folder_item_update_freeze();
3349         if (item->folder->klass->remove_msgs) {
3350                 ret = item->folder->klass->remove_msgs(item->folder,
3351                                                         item,
3352                                                         msglist,
3353                                                         NULL);
3354         }
3355         while (ret == 0 && msglist != NULL) {
3356                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3357                 if (MSG_IS_LOCKED(msginfo->flags)) {
3358                         msglist = msglist->next;
3359                         continue;
3360                 }
3361                 if (!item->folder->klass->remove_msgs)
3362                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3363                 if (ret != 0) break;
3364                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3365                 msglist = msglist->next;
3366         }
3367         folder_item_scan_full(item, FALSE);
3368         folder_item_update_thaw();
3369         inc_unlock();
3370         return ret;
3371 }
3372
3373 gint folder_item_remove_all_msg(FolderItem *item)
3374 {
3375         Folder *folder;
3376         gint result;
3377
3378         g_return_val_if_fail(item != NULL, -1);
3379         if (item->no_select)
3380                 return -1;
3381
3382         folder = item->folder;
3383
3384         inc_lock();
3385         if (folder->klass->remove_all_msg != NULL) {
3386                 result = folder->klass->remove_all_msg(folder, item);
3387
3388                 if (result == 0) {
3389                         folder_item_free_cache(item, TRUE);
3390                         item->cache = msgcache_new();
3391                 }
3392         } else {
3393                 MsgInfoList *msglist;
3394
3395                 msglist = folder_item_get_msg_list(item);
3396                 result = folder_item_remove_msgs(item, msglist);
3397                 procmsg_msg_list_free(msglist);
3398         }
3399
3400         if (result == 0) {
3401                 item->new_msgs = 0;
3402                 item->unread_msgs = 0;
3403                 item->unreadmarked_msgs = 0;
3404                 item->marked_msgs = 0;
3405                 item->total_msgs = 0;
3406                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3407         }
3408
3409         inc_unlock();
3410         return result;
3411 }
3412
3413 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3414 {
3415         g_return_if_fail(item != NULL);
3416         g_return_if_fail(msginfo != NULL);
3417         if (item->no_select)
3418                 return;
3419
3420         if (item->folder->klass->change_flags != NULL) {
3421                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3422         } else {
3423                 msginfo->flags.perm_flags = newflags;
3424         }
3425 }
3426
3427 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3428 {
3429         Folder *folder;
3430
3431         g_return_val_if_fail(item != NULL, FALSE);
3432         if (item->no_select)
3433                 return FALSE;
3434
3435         folder = item->folder;
3436
3437         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3438
3439         return folder->klass->is_msg_changed(folder, item, msginfo);
3440 }
3441
3442 static gchar *folder_item_get_cache_file(FolderItem *item)
3443 {
3444         gchar *path;
3445         gchar *file;
3446         gchar *old_file;
3447
3448         g_return_val_if_fail(item != NULL, NULL);
3449         g_return_val_if_fail(item->path != NULL, NULL);
3450
3451         path = folder_item_get_path(item);
3452         g_return_val_if_fail(path != NULL, NULL);
3453         if (!is_dir_exist(path))
3454                 make_dir_hier(path);
3455         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3456         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_CACHE_FILE, NULL);
3457
3458         if (!is_file_exist(file) && is_file_exist(old_file))
3459                 move_file(old_file, file, FALSE);
3460         g_free(old_file);
3461         g_free(path);
3462
3463         return file;
3464 }
3465
3466 static gchar *folder_item_get_mark_file(FolderItem *item)
3467 {
3468         gchar *path;
3469         gchar *file;
3470         gchar *old_file;
3471
3472         g_return_val_if_fail(item != NULL, NULL);
3473         g_return_val_if_fail(item->path != NULL, NULL);
3474
3475         path = folder_item_get_path(item);
3476         g_return_val_if_fail(path != NULL, NULL);
3477         if (!is_dir_exist(path))
3478                 make_dir_hier(path);
3479         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3480         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_MARK_FILE, NULL);
3481
3482         if (!is_file_exist(file) && is_file_exist(old_file))
3483                 move_file(old_file, file, FALSE);
3484         g_free(old_file);
3485         g_free(path);
3486
3487         return file;
3488 }
3489
3490 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3491 {
3492         XMLNode *xmlnode = (XMLNode *) nodedata;
3493         Folder *folder = (Folder *) data;
3494         FolderItem *item;
3495
3496         g_return_val_if_fail(xmlnode != NULL, NULL);
3497         g_return_val_if_fail(folder != NULL, NULL);
3498
3499         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3500                 g_warning("tag name != \"folderitem\"\n");
3501                 return NULL;
3502         }
3503
3504         item = folder_item_new(folder, "", "");
3505         if (folder->klass->item_set_xml != NULL)
3506                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3507         else
3508                 folder_item_set_xml(folder, item, xmlnode->tag);
3509
3510         item->folder = folder;
3511
3512         switch (item->stype) {
3513         case F_INBOX:  folder->inbox  = item; break;
3514         case F_OUTBOX: folder->outbox = item; break;
3515         case F_DRAFT:  folder->draft  = item; break;
3516         case F_QUEUE:  folder->queue  = item; break;
3517         case F_TRASH:  folder->trash  = item; break;
3518         default:       break;
3519         }
3520         folder_item_prefs_read_config(item);
3521
3522         return item;
3523 }
3524
3525 static gboolean folder_item_set_node(GNode *node, gpointer data)
3526 {
3527         FolderItem *item = (FolderItem *) node->data;
3528         item->node = node;
3529
3530         return FALSE;
3531 }
3532
3533 static Folder *folder_get_from_xml(GNode *node)
3534 {
3535         Folder *folder;
3536         XMLNode *xmlnode;
3537         GList *list;
3538         FolderClass *klass = NULL;
3539         GNode *cur;
3540
3541         g_return_val_if_fail(node->data != NULL, NULL);
3542
3543         xmlnode = node->data;
3544         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3545                 g_warning("tag name != \"folder\"\n");
3546                 return NULL;
3547         }
3548         list = xmlnode->tag->attr;
3549         for (; list != NULL; list = list->next) {
3550                 XMLAttr *attr = list->data;
3551
3552                 if (!attr || !attr->name || !attr->value) continue;
3553                 if (!strcmp(attr->name, "type"))
3554                         klass = folder_get_class_from_string(attr->value);
3555         }
3556         if (klass == NULL)
3557                 return NULL;
3558
3559         folder = folder_new(klass, "", "");
3560         g_return_val_if_fail(folder != NULL, NULL);
3561
3562         if (klass->set_xml)
3563                 klass->set_xml(folder, xmlnode->tag);
3564         else
3565                 folder_set_xml(folder, xmlnode->tag);
3566
3567         cur = node->children;
3568         while (cur != NULL) {
3569                 GNode *itemnode;
3570
3571                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3572                 g_node_append(folder->node, itemnode);
3573                 cur = cur->next;
3574         }
3575         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3576
3577         return folder;
3578 }
3579
3580 static gchar *folder_get_list_path(void)
3581 {
3582         static gchar *filename = NULL;
3583
3584         if (!filename)
3585                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3586                                         FOLDER_LIST, NULL);
3587
3588         return filename;
3589 }
3590
3591 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3592 {                                                       \
3593         fputs(" " attr "=\"", fp);                      \
3594         xml_file_put_escape_str(fp, str);               \
3595         fputs("\"", fp);                                \
3596 }
3597
3598 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3599 {
3600         FolderItem *item = (FolderItem *) nodedata;
3601         XMLTag *tag;
3602
3603         g_return_val_if_fail(item != NULL, NULL);
3604
3605         if (item->folder->klass->item_get_xml != NULL)
3606                 tag = item->folder->klass->item_get_xml(item->folder, item);
3607         else
3608                 tag = folder_item_get_xml(item->folder, item);
3609
3610         return xml_node_new(tag, NULL);
3611 }
3612
3613 static GNode *folder_get_xml_node(Folder *folder)
3614 {
3615         GNode *node;
3616         XMLNode *xmlnode;
3617         XMLTag *tag;
3618
3619         g_return_val_if_fail(folder != NULL, NULL);
3620
3621         if (folder->klass->get_xml != NULL)
3622                 tag = folder->klass->get_xml(folder);
3623         else
3624                 tag = folder_get_xml(folder);
3625
3626         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3627
3628         xmlnode = xml_node_new(tag, NULL);
3629
3630         node = g_node_new(xmlnode);
3631
3632         g_return_val_if_fail (folder->node != NULL, NULL);
3633
3634         if (folder->node->children) {
3635                 GNode *cur;
3636
3637                 cur = folder->node->children;
3638                 while (cur) {
3639                         GNode *xmlnode;
3640
3641                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3642                         g_node_append(node, xmlnode);
3643                         cur = cur->next;
3644                 }
3645         }
3646
3647         return node;
3648 }
3649
3650 static void folder_update_op_count_rec(GNode *node)
3651 {
3652         FolderItem *fitem = FOLDER_ITEM(node->data);
3653
3654         if (g_node_depth(node) > 0) {
3655                 if (fitem->op_count > 0) {
3656                         fitem->op_count = 0;
3657                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3658                 }
3659                 if (node->children) {
3660                         GNode *child;
3661
3662                         child = node->children;
3663                         while (child) {
3664                                 GNode *cur;
3665
3666                                 cur = child;
3667                                 child = cur->next;
3668                                 folder_update_op_count_rec(cur);
3669                         }
3670                 }
3671         }
3672 }
3673
3674 void folder_update_op_count(void)
3675 {
3676         GList *cur;
3677         Folder *folder;
3678
3679         for (cur = folder_list; cur != NULL; cur = cur->next) {
3680                 folder = cur->data;
3681                 folder_update_op_count_rec(folder->node);
3682         }
3683 }
3684
3685 typedef struct _type_str {
3686         gchar * str;
3687         gint type;
3688 } type_str;
3689
3690
3691 /*
3692 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3693 {
3694         if (item->parent != NULL) {
3695                 gchar * path;
3696                 gchar * id;
3697
3698                 path = folder_item_get_tree_identifier(item->parent);
3699                 if (path == NULL)
3700                         return NULL;
3701
3702                 id = g_strconcat(path, "/", item->name, NULL);
3703                 g_free(path);
3704
3705                 return id;
3706         }
3707         else {
3708                 return g_strconcat("/", item->name, NULL);
3709         }
3710 }
3711 */
3712
3713 /* CLAWS: temporary local folder for filtering */
3714 #define TEMP_FOLDER "TEMP_FOLDER"
3715 #define PROCESSING_FOLDER_ITEM "processing"
3716
3717 static FolderItem *processing_folder_item;
3718
3719 static void folder_create_processing_folder(void)
3720 {
3721         Folder *processing_folder;
3722         gchar      *tmpname;
3723
3724         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3725                 gchar *tmppath;
3726
3727                 tmppath =
3728                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3729                                 "tempfolder", NULL);
3730                 processing_folder =
3731                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3732                 g_free(tmppath);
3733         }
3734         g_assert(processing_folder != NULL);
3735
3736         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3737         /* FIXME: [W32] The code below does not correctly merge
3738            relative filenames; there should be a function to handle
3739            this.  */
3740         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
3741                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3742                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3743                                       NULL);
3744         else
3745                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3746                                       LOCAL_FOLDER(processing_folder)->rootpath,
3747                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3748                                       NULL);
3749
3750         if (!is_dir_exist(tmpname)) {
3751                 debug_print("*TMP* creating %s\n", tmpname);
3752                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3753                                                                                  processing_folder->node->data,
3754                                                                                  PROCESSING_FOLDER_ITEM);
3755         } else {
3756                 debug_print("*TMP* already created\n");
3757                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3758                 g_assert(processing_folder_item);
3759                 folder_item_append(processing_folder->node->data, processing_folder_item);
3760         }
3761         g_assert(processing_folder_item != NULL);
3762         g_free(tmpname);
3763 }
3764
3765 FolderItem *folder_get_default_processing(void)
3766 {
3767         if (!processing_folder_item) {
3768                 folder_create_processing_folder();
3769         }
3770         return processing_folder_item;
3771 }
3772
3773 /* folder_persist_prefs_new() - return hash table with persistent
3774  * settings (and folder name as key).
3775  * (note that in claws other options are in the folder_item_prefs_RC
3776  * file, so those don't need to be included in PersistPref yet)
3777  */
3778 static GHashTable *folder_persist_prefs_new(Folder *folder)
3779 {
3780         GHashTable *pptable;
3781
3782         g_return_val_if_fail(folder, NULL);
3783         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3784         folder_get_persist_prefs_recursive(folder->node, pptable);
3785         return pptable;
3786 }
3787
3788 static void folder_persist_prefs_free(GHashTable *pptable)
3789 {
3790         g_return_if_fail(pptable);
3791         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3792         g_hash_table_destroy(pptable);
3793 }
3794
3795 static const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3796 {
3797         if (pptable == NULL || name == NULL) return NULL;
3798         return g_hash_table_lookup(pptable, name);
3799 }
3800
3801 static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3802 {
3803         const PersistPrefs *pp;
3804         gchar *id = folder_item_get_identifier(item);
3805
3806         pp = folder_get_persist_prefs(pptable, id);
3807         g_free(id);
3808
3809         if (!pp) return;
3810
3811         /* CLAWS: since not all folder properties have been migrated to
3812          * folderlist.xml, we need to call the old stuff first before
3813          * setting things that apply both to Main and Claws. */
3814         folder_item_prefs_read_config(item);
3815
3816         item->collapsed = pp->collapsed;
3817         item->thread_collapsed = pp->thread_collapsed;
3818         item->threaded  = pp->threaded;
3819         item->ret_rcpt  = pp->ret_rcpt;
3820         item->hide_read_msgs = pp->hide_read_msgs;
3821         item->sort_key  = pp->sort_key;
3822         item->sort_type = pp->sort_type;
3823 }
3824
3825 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3826 {
3827         FolderItem *item = FOLDER_ITEM(node->data);
3828         PersistPrefs *pp;
3829         GNode *child, *cur;
3830         gchar *id;
3831
3832         g_return_if_fail(node != NULL);
3833         g_return_if_fail(item != NULL);
3834
3835         /* NOTE: item->path == NULL means top level folder; not interesting
3836          * to store preferences of that one.  */
3837         if (item->path) {
3838                 id = folder_item_get_identifier(item);
3839                 pp = g_new0(PersistPrefs, 1);
3840                 g_return_if_fail(pp != NULL);
3841                 pp->collapsed = item->collapsed;
3842                 pp->thread_collapsed = item->thread_collapsed;
3843                 pp->threaded  = item->threaded;
3844                 pp->ret_rcpt  = item->ret_rcpt;
3845                 pp->hide_read_msgs = item->hide_read_msgs;
3846                 pp->sort_key  = item->sort_key;
3847                 pp->sort_type = item->sort_type;
3848                 g_hash_table_insert(pptable, id, pp);
3849         }
3850
3851         if (node->children) {
3852                 child = node->children;
3853                 while (child) {
3854                         cur = child;
3855                         child = cur->next;
3856                         folder_get_persist_prefs_recursive(cur, pptable);
3857                 }
3858         }
3859 }
3860
3861 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3862 {
3863         g_free(key);
3864         g_free(val);
3865         return TRUE;
3866 }
3867
3868 void folder_item_apply_processing(FolderItem *item)
3869 {
3870         GSList *processing_list;
3871         GSList *mlist, *cur;
3872         guint total = 0, curmsg = 0;
3873         gint last_apply_per_account;
3874
3875         g_return_if_fail(item != NULL);
3876
3877         if (item->no_select)
3878                return;
3879
3880         processing_list = item->prefs->processing;
3881
3882         if (!pre_global_processing && !processing_list
3883         &&  !post_global_processing)
3884                 return;
3885
3886         debug_print("processing %s\n", item->name);
3887         folder_item_update_freeze();
3888
3889         mlist = folder_item_get_msg_list(item);
3890         total = g_slist_length(mlist);
3891         statusbar_print_all(_("Processing messages..."));
3892
3893         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
3894         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
3895
3896         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3897                 MsgInfo * msginfo;
3898
3899                 msginfo = (MsgInfo *) cur->data;
3900
3901                 /* reset parameters that can be modified by processing */
3902                 msginfo->hidden = 0;
3903                 msginfo->score = 0;
3904
3905                 statusbar_progress_all(curmsg++,total, 10);
3906
3907                 /* apply pre global rules */
3908                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL,
3909                                 FILTERING_PRE_PROCESSING, NULL);
3910
3911                 /* apply rules of the folder */
3912                 filter_message_by_msginfo(processing_list, msginfo, NULL,
3913                                 FILTERING_FOLDER_PROCESSING, item->name);
3914
3915                 /* apply post global rules */
3916                 filter_message_by_msginfo(post_global_processing, msginfo, NULL,
3917                                 FILTERING_POST_PROCESSING, NULL);
3918         }
3919         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
3920
3921         if (pre_global_processing || processing_list
3922             || post_global_processing)
3923                 filtering_move_and_copy_msgs(mlist);
3924         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3925                 MsgInfo * msginfo = (MsgInfo *)cur->data;
3926                 procmsg_msginfo_free(msginfo);
3927         }
3928         g_slist_free(mlist);
3929
3930         statusbar_progress_all(0,0,0);
3931         statusbar_pop_all();
3932
3933         folder_item_update_thaw();
3934 }
3935
3936 /*
3937  *  functions for handling FolderItem content changes
3938  */
3939 static gint folder_item_update_freeze_cnt = 0;
3940
3941 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3942 {
3943         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3944                 FolderItemUpdateData source;
3945
3946                 source.item = item;
3947                 source.update_flags = update_flags;
3948                 source.msg = msg;
3949                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3950         } else {
3951                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3952         }
3953 }
3954
3955 /**
3956  * Notify the folder system about changes to a folder. If the
3957  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3958  * be invoked, otherwise the changes will be remebered until
3959  * the folder system is thawed.
3960  *
3961  * \param item The FolderItem that was changed
3962  * \param update_flags Type of changed that was made
3963  */
3964 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3965 {
3966         folder_item_update_with_msg(item, update_flags, NULL);
3967 }
3968
3969 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3970 {
3971         GNode *node = item->folder->node;
3972
3973         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3974         node = node->children;
3975
3976         folder_item_update(item, update_flags);
3977         while (node != NULL) {
3978                 if (node && node->data) {
3979                         FolderItem *next_item = (FolderItem*) node->data;
3980
3981                         folder_item_update(next_item, update_flags);
3982                 }
3983                 node = node->next;
3984         }
3985 }
3986
3987 void folder_item_update_freeze(void)
3988 {
3989         folder_item_update_freeze_cnt++;
3990 }
3991
3992 static void folder_item_update_func(FolderItem *item, gpointer data)
3993 {
3994         FolderItemUpdateData source;
3995
3996         if (item->update_flags) {
3997                 source.item = item;
3998                 source.update_flags = item->update_flags;
3999                 source.msg = NULL;
4000                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
4001                 item->update_flags = 0;
4002         }
4003 }
4004
4005 void folder_item_update_thaw(void)
4006 {
4007         if (folder_item_update_freeze_cnt > 0)
4008                 folder_item_update_freeze_cnt--;
4009         if (folder_item_update_freeze_cnt == 0) {
4010                 /* Update all folders */
4011                 folder_func_to_all_folders(folder_item_update_func, NULL);
4012         }
4013 }
4014
4015 void folder_item_synchronise(FolderItem *item)
4016 {
4017         if (!item)
4018                 return;
4019         if (item->prefs->offlinesync && item->folder->klass->synchronise) {
4020                 statusbar_print_all(_("Synchronising %s for offline use...\n"), item->path ? item->path : "(null)");
4021                 item->folder->klass->synchronise(item);
4022                 statusbar_pop_all();
4023         }
4024 }
4025
4026 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
4027 {
4028         Folder *folder = (Folder *)data;
4029         if (folder == NULL || item->folder == folder) {
4030                 folder_item_synchronise(item);
4031         }
4032 }
4033
4034 void folder_synchronise(Folder *folder)
4035 {
4036         folder_func_to_all_folders(folder_item_synchronise_func, folder);
4037 }
4038
4039 typedef struct _WantSyncData {
4040         Folder *folder;
4041         gboolean want_sync;
4042 } WantSyncData;
4043
4044 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
4045 {
4046         WantSyncData *want_sync_data = (WantSyncData *)data;
4047
4048         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
4049                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
4050                         want_sync_data->want_sync |= TRUE;
4051         }
4052 }
4053
4054 gboolean folder_want_synchronise(Folder *folder)
4055 {
4056         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
4057         gboolean result;
4058         want_sync_data->folder = folder;
4059         want_sync_data->want_sync = FALSE;
4060
4061         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
4062         result = want_sync_data->want_sync;
4063         g_free(want_sync_data);
4064         if (result > 0)
4065                 debug_print("Folder %s wants sync\n", folder->name);
4066         return result;
4067 }
4068
4069 void folder_item_set_batch (FolderItem *item, gboolean batch)
4070 {
4071         if (item->folder->klass->set_batch) {
4072                 item->folder->klass->set_batch(item->folder, item, batch);
4073         }
4074 }
4075
4076 gboolean folder_has_parent_of_type(FolderItem *item,
4077                                           SpecialFolderItemType type)
4078 {
4079         FolderItem *cur = item;
4080
4081         /* if we already know it, make it short */
4082         if (item->parent_stype != -1) {
4083                 return (item->parent_stype == type);
4084         }
4085
4086         /* if we don't, find the type from the first possible parent,
4087          * and set our parent type to be faster next time */
4088         while (cur) {
4089                 if (cur->stype == type || cur->parent_stype == type) {
4090                         item->parent_stype = type;
4091                         return TRUE;
4092                 }
4093                 cur = folder_item_parent(cur);
4094         }
4095
4096         /* if we didn't match what was asked, we didn't return. If our
4097          * parent type is unknown, we may as well find it now to be faster
4098          * later. */
4099         if (item->parent_stype == -1) {
4100                 cur = item;
4101                 while (cur) {
4102                         /* here's an exception: Inbox subfolders are normal. */
4103                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4104                         && item != cur) {
4105                                 item->parent_stype = F_NORMAL;
4106                                 break;
4107                         }
4108                         /* ah, we know this parent's parent's type, we may as
4109                          * well copy it instead of going up the full way */
4110                         if (cur->parent_stype != -1) {
4111                                 item->parent_stype = cur->parent_stype;
4112                                 break;
4113                         }
4114                         /* we found a parent that has a special type. That's
4115                          * our parent type. */
4116                         if (cur->stype != F_NORMAL) {
4117                                 cur->parent_stype = cur->stype;
4118                                 item->parent_stype = cur->stype;
4119                                 break;
4120                         }
4121                         /* if we didn't find anything, go up once more */
4122                         cur = folder_item_parent(cur);
4123                 }
4124                 /* as we still didn't find anything, our parents must all be
4125                  * normal. */
4126                 if (item->parent_stype == -1) {
4127                         item->parent_stype = F_NORMAL;
4128                 }
4129         }
4130         return FALSE;
4131 }
4132
4133 gboolean folder_subscribe (const gchar *uri)
4134 {
4135         GList *cur;
4136         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4137                 Folder *folder = (Folder *) cur->data;
4138
4139                 if (folder->klass->subscribe
4140                 &&  folder->klass->subscribe(folder, uri)) {
4141                         return TRUE;
4142                 }
4143         }
4144         return FALSE;
4145
4146 }
4147
4148 gboolean folder_get_sort_type           (Folder         *folder,
4149                                          FolderSortKey  *sort_key,
4150                                          FolderSortType *sort_type)
4151 {
4152         if (!folder || !sort_key || !sort_type)
4153                 return FALSE;
4154         if (folder->klass->get_sort_type == NULL)
4155                 return FALSE;
4156         folder->klass->get_sort_type(folder, sort_key, sort_type);
4157         return TRUE;
4158 }
4159
4160 #undef PUT_ESCAPE_STR