src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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
  61 /* Dependecies to be removed ?! */
  62 #include "prefs_common.h"
  63 #include "prefs_account.h"
  64
  65 /* Define possible missing constants for Windows. */
  66 #ifdef G_OS_WIN32
  67 # ifndef S_IRGRP
  68 # define S_IRGRP 0
  69 # define S_IWGRP 0
  70 # endif
  71 # ifndef S_IROTH
  72 # define S_IROTH 0
  73 # define S_IWOTH 0
  74 # endif
  75 #endif
  76
  77 static GList *folder_list = NULL;
  78 static GSList *class_list = NULL;
  79 static GSList *folder_unloaded_list = NULL;
  80
  81 void folder_init                (Folder         *folder,
  82                                  const gchar    *name);
  83
  84 static gchar *folder_get_list_path      (void);
  85 static GNode *folder_get_xml_node       (Folder         *folder);
  86 static Folder *folder_get_from_xml      (GNode          *node);
  87 static void folder_update_op_count_rec  (GNode          *node);
  88
  89
  90 static void folder_get_persist_prefs_recursive
  91                                         (GNode *node, GHashTable *pptable);
  92 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  93 void folder_item_read_cache             (FolderItem *item);
  94 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  95 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
  96                                          MsgInfo *msg);
  97
  98 void folder_system_init(void)
  99 {
 100         folder_register_class(mh_get_class());
 101         folder_register_class(imap_get_class());
 102         folder_register_class(news_get_class());
 103 }
 104
 105 GSList *folder_get_class_list(void)
 106 {
 107         return class_list;
 108 }
 109
 110 void folder_register_class(FolderClass *klass)
 111 {
 112         GSList *xmllist, *cur;
 113
 114         debug_print("registering folder class %s\n", klass->idstr);
 115
 116         class_list = g_slist_append(class_list, klass);
 117
 118         xmllist = g_slist_copy(folder_unloaded_list);
 119         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 120                 GNode *node = (GNode *) cur->data;
 121                 XMLNode *xmlnode = (XMLNode *) node->data;
 122                 GList *cur = xmlnode->tag->attr;
 123
 124                 for (; cur != NULL; cur = g_list_next(cur)) {
 125                         XMLAttr *attr = (XMLAttr *) cur->data;
 126
 127                         if (!attr || !attr->name || !attr->value) continue;
 128                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 129                                 Folder *folder;
 130
 131                                 folder = folder_get_from_xml(node);
 132                                 folder_add(folder);
 133                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 134
 135                                 cur = NULL;
 136                                 continue;
 137                         }
 138                 }
 139         }
 140         g_slist_free(xmllist);
 141 }
 142
 143 void folder_unregister_class(FolderClass *klass)
 144 {
 145         GList *folderlist, *cur;
 146
 147         debug_print("unregistering folder class %s\n", klass->idstr);
 148
 149         class_list = g_slist_remove(class_list, klass);
 150
 151         folderlist = g_list_copy(folder_get_list());
 152         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 153                 Folder *folder = (Folder *) cur->data;
 154
 155                 if (folder->klass == klass) {
 156                         GNode *xmlnode = folder_get_xml_node(folder);
 157                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 158                         folder_destroy(folder);
 159                 }
 160         }
 161         g_list_free(folderlist);
 162 }
 163
 164 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 165 {
 166         Folder *folder = NULL;
 167         FolderItem *item;
 168
 169         g_return_val_if_fail(klass != NULL, NULL);
 170
 171         name = name ? name : path;
 172         folder = klass->new_folder(name, path);
 173
 174         /* Create root folder item */
 175         item = folder_item_new(folder, name, NULL);
 176         if (item == NULL) {
 177                 return NULL;
 178         }
 179         item->folder = folder;
 180         folder->node = item->node = g_node_new(item);
 181         folder->data = NULL;
 182
 183         return folder;
 184 }
 185
 186 void folder_init(Folder *folder, const gchar *name)
 187 {
 188         g_return_if_fail(folder != NULL);
 189
 190         folder_set_name(folder, name);
 191
 192         /* Init folder data */
 193         folder->account = NULL;
 194         folder->sort = 0;
 195         folder->inbox = NULL;
 196         folder->outbox = NULL;
 197         folder->draft = NULL;
 198         folder->queue = NULL;
 199         folder->trash = NULL;
 200 }
 201
 202 static void reset_parent_type(FolderItem *item, gpointer data) {
 203         item->parent_stype = -1;
 204 }
 205
 206 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 207 {
 208         Folder *folder = NULL;
 209         FolderUpdateData hookdata;
 210
 211         folder = item->folder;
 212         /* unset previous root of newtype */
 213         switch(newtype) {
 214         case F_INBOX:
 215                 folder_item_change_type(folder->inbox, F_NORMAL);
 216                 folder->inbox = item;
 217                 break;
 218         case F_OUTBOX:
 219                 folder_item_change_type(folder->outbox, F_NORMAL);
 220                 folder->outbox = item;
 221                 break;
 222         case F_QUEUE:
 223                 folder_item_change_type(folder->queue, F_NORMAL);
 224                 folder->queue = item;
 225                 break;
 226         case F_DRAFT:
 227                 folder_item_change_type(folder->draft, F_NORMAL);
 228                 folder->draft = item;
 229                 break;
 230         case F_TRASH:
 231                 folder_item_change_type(folder->trash, F_NORMAL);
 232                 folder->trash = item;
 233                 break;
 234         case F_NORMAL:
 235         default:
 236                 break;
 237         }
 238         /* set new type for current folder and sons */
 239         item->stype = newtype;
 240         folder_func_to_all_folders(reset_parent_type, NULL);
 241
 242         hookdata.folder = folder;
 243         hookdata.update_flags = FOLDER_TREE_CHANGED;
 244         hookdata.item = NULL;
 245         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 246 }
 247
 248 void folder_destroy(Folder *folder)
 249 {
 250         g_return_if_fail(folder != NULL);
 251         g_return_if_fail(folder->klass->destroy_folder != NULL);
 252
 253         folder_remove(folder);
 254
 255         folder_tree_destroy(folder);
 256
 257         folder->klass->destroy_folder(folder);
 258
 259         g_free(folder->name);
 260         g_free(folder);
 261 }
 262
 263 void folder_set_xml(Folder *folder, XMLTag *tag)
 264 {
 265         GList *cur;
 266         FolderItem *rootitem = NULL;
 267
 268         if ((folder->node != NULL) && (folder->node->data != NULL))
 269                 rootitem = (FolderItem *) folder->node->data;
 270
 271         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 272                 XMLAttr *attr = (XMLAttr *) cur->data;
 273
 274                 if (!attr || !attr->name || !attr->value) continue;
 275                 if (!strcmp(attr->name, "name")) {
 276                         g_free(folder->name);
 277                         folder->name = g_strdup(attr->value);
 278                         if (rootitem != NULL) {
 279                                 g_free(rootitem->name);
 280                                 rootitem->name = g_strdup(attr->value);
 281                         }
 282                 } else if (!strcmp(attr->name, "account_id")) {
 283                         PrefsAccount *account;
 284
 285                         account = account_find_from_id(atoi(attr->value));
 286                         if (!account)
 287                                 g_warning("account_id: %s not found\n", attr->value);
 288                         else {
 289                                 folder->account = account;
 290                                 account->folder = folder;
 291                         }
 292                 } else if (!strcmp(attr->name, "collapsed")) {
 293                         if (rootitem != NULL)
 294                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 295                 } else if (!strcmp(attr->name, "sort")) {
 296                         folder->sort = atoi(attr->value);
 297                 }
 298         }
 299 }
 300
 301 XMLTag *folder_get_xml(Folder *folder)
 302 {
 303         XMLTag *tag;
 304
 305         tag = xml_tag_new("folder");
 306
 307         if (folder->name)
 308                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 309         if (folder->account)
 310                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 311         if (folder->node && folder->node->data) {
 312                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 313
 314                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 315         }
 316         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 317
 318         return tag;
 319 }
 320
 321 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 322 {
 323         FolderItem *item = NULL;
 324
 325         g_return_val_if_fail(folder != NULL, NULL);
 326
 327         if (folder->klass->item_new) {
 328                 item = folder->klass->item_new(folder);
 329         } else {
 330                 item = g_new0(FolderItem, 1);
 331         }
 332
 333         g_return_val_if_fail(item != NULL, NULL);
 334
 335         item->stype = F_NORMAL;
 336         item->name = g_strdup(name);
 337         item->path = g_strdup(path);
 338         item->mtime = 0;
 339         item->new_msgs = 0;
 340         item->unread_msgs = 0;
 341         item->unreadmarked_msgs = 0;
 342         item->marked_msgs = 0;
 343         item->total_msgs = 0;
 344         item->last_num = -1;
 345         item->cache = NULL;
 346         item->no_sub = FALSE;
 347         item->no_select = FALSE;
 348         item->collapsed = FALSE;
 349         item->thread_collapsed = FALSE;
 350         item->threaded  = TRUE;
 351         item->ret_rcpt  = FALSE;
 352         item->opened    = FALSE;
 353         item->node = g_node_new(item);
 354         item->folder = NULL;
 355         item->account = NULL;
 356         item->apply_sub = FALSE;
 357         item->mark_queue = NULL;
 358         item->data = NULL;
 359         item->parent_stype = -1;
 360
 361         item->sort_key = SORT_BY_DATE;
 362         item->sort_type = SORT_ASCENDING;
 363
 364         item->prefs = folder_item_prefs_new();
 365
 366         return item;
 367 }
 368
 369 void folder_item_append(FolderItem *parent, FolderItem *item)
 370 {
 371         g_return_if_fail(parent != NULL);
 372         g_return_if_fail(parent->folder != NULL);
 373         g_return_if_fail(parent->node != NULL);
 374         g_return_if_fail(item != NULL);
 375
 376         item->folder = parent->folder;
 377         g_node_append(parent->node, item->node);
 378 }
 379
 380 void folder_item_remove(FolderItem *item)
 381 {
 382         GNode *node, *start_node;
 383         FolderUpdateData hookdata;
 384
 385         g_return_if_fail(item != NULL);
 386         g_return_if_fail(item->folder != NULL);
 387         g_return_if_fail(item->folder->node != NULL);
 388
 389         start_node = node = item->node;
 390
 391         node = item->folder->node;
 392
 393         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 394         node = node->children;
 395
 396         /* remove my children */
 397         while (node != NULL) {
 398                 if (node && node->data) {
 399                         FolderItem *sub_item = (FolderItem*) node->data;
 400                         node = node->next;
 401                         folder_item_remove(sub_item);
 402                 }
 403         }
 404
 405         /* remove myself */
 406         if (item->cache != NULL) {
 407                 msgcache_destroy(item->cache);
 408                 item->cache = NULL;
 409         }
 410
 411         hookdata.folder = item->folder;
 412         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 413         hookdata.item = item;
 414         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 415
 416         node = start_node;
 417
 418         if (item->folder->node == node)
 419                 item->folder->node = NULL;
 420
 421         folder_item_destroy(item);
 422
 423         g_node_destroy(node);
 424 }
 425
 426 void folder_item_remove_children(FolderItem *item)
 427 {
 428         GNode *node, *next;
 429
 430         g_return_if_fail(item != NULL);
 431         g_return_if_fail(item->folder != NULL);
 432         g_return_if_fail(item->node != NULL);
 433
 434         node = item->node->children;
 435         while (node != NULL) {
 436                 next = node->next;
 437                 folder_item_remove(FOLDER_ITEM(node->data));
 438                 node = next;
 439         }
 440 }
 441
 442 void folder_item_destroy(FolderItem *item)
 443 {
 444         Folder *folder;
 445
 446         g_return_if_fail(item != NULL);
 447
 448         folder = item->folder;
 449         if (folder) {
 450                 if (folder->inbox == item)
 451                         folder->inbox = NULL;
 452                 else if (folder->outbox == item)
 453                         folder->outbox = NULL;
 454                 else if (folder->draft == item)
 455                         folder->draft = NULL;
 456                 else if (folder->queue == item)
 457                         folder->queue = NULL;
 458                 else if (folder->trash == item)
 459                         folder->trash = NULL;
 460         }
 461
 462         if (item->cache)
 463                 folder_item_free_cache(item, TRUE);
 464         if (item->prefs)
 465                 folder_item_prefs_free(item->prefs);
 466         g_free(item->name);
 467         g_free(item->path);
 468
 469         if (item->folder != NULL) {
 470                 if(item->folder->klass->item_destroy) {
 471                         item->folder->klass->item_destroy(item->folder, item);
 472                 } else {
 473                         g_free(item);
 474                 }
 475         }
 476 }
 477
 478 FolderItem *folder_item_parent(FolderItem *item)
 479 {
 480         g_return_val_if_fail(item != NULL, NULL);
 481         g_return_val_if_fail(item->node != NULL, NULL);
 482
 483         if (item->node->parent == NULL)
 484                 return NULL;
 485         return (FolderItem *) item->node->parent->data;
 486 }
 487
 488 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 489 {
 490         GList *cur;
 491
 492         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 493                 XMLAttr *attr = (XMLAttr *) cur->data;
 494
 495                 if (!attr || !attr->name || !attr->value) continue;
 496                 if (!strcmp(attr->name, "type")) {
 497                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 498                                 item->stype = F_NORMAL;
 499                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 500                                 item->stype = F_INBOX;
 501                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 502                                 item->stype = F_OUTBOX;
 503                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 504                                 item->stype = F_DRAFT;
 505                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 506                                 item->stype = F_QUEUE;
 507                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 508                                 item->stype = F_TRASH;
 509                 } else if (!strcmp(attr->name, "name")) {
 510                         g_free(item->name);
 511                         item->name = g_strdup(attr->value);
 512                 } else if (!strcmp(attr->name, "path")) {
 513                         g_free(item->path);
 514                         item->path = g_strdup(attr->value);
 515                 } else if (!strcmp(attr->name, "mtime"))
 516                         item->mtime = strtoul(attr->value, NULL, 10);
 517                 else if (!strcmp(attr->name, "new"))
 518                         item->new_msgs = atoi(attr->value);
 519                 else if (!strcmp(attr->name, "unread"))
 520                         item->unread_msgs = atoi(attr->value);
 521                 else if (!strcmp(attr->name, "unreadmarked"))
 522                         item->unreadmarked_msgs = atoi(attr->value);
 523                 else if (!strcmp(attr->name, "marked"))
 524                         item->marked_msgs = atoi(attr->value);
 525                 else if (!strcmp(attr->name, "total"))
 526                         item->total_msgs = atoi(attr->value);
 527                 else if (!strcmp(attr->name, "no_sub"))
 528                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 529                 else if (!strcmp(attr->name, "no_select"))
 530                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 531                 else if (!strcmp(attr->name, "collapsed"))
 532                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 533                 else if (!strcmp(attr->name, "thread_collapsed"))
 534                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 535                 else if (!strcmp(attr->name, "threaded"))
 536                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 537                 else if (!strcmp(attr->name, "hidereadmsgs"))
 538                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 539                 else if (!strcmp(attr->name, "reqretrcpt"))
 540                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 541                 else if (!strcmp(attr->name, "sort_key")) {
 542                         if (!strcmp(attr->value, "none"))
 543                                 item->sort_key = SORT_BY_NONE;
 544                         else if (!strcmp(attr->value, "number"))
 545                                 item->sort_key = SORT_BY_NUMBER;
 546                         else if (!strcmp(attr->value, "size"))
 547                                 item->sort_key = SORT_BY_SIZE;
 548                         else if (!strcmp(attr->value, "date"))
 549                                 item->sort_key = SORT_BY_DATE;
 550                         else if (!strcmp(attr->value, "from"))
 551                                 item->sort_key = SORT_BY_FROM;
 552                         else if (!strcmp(attr->value, "subject"))
 553                                 item->sort_key = SORT_BY_SUBJECT;
 554                         else if (!strcmp(attr->value, "score"))
 555                                 item->sort_key = SORT_BY_SCORE;
 556                         else if (!strcmp(attr->value, "label"))
 557                                 item->sort_key = SORT_BY_LABEL;
 558                         else if (!strcmp(attr->value, "mark"))
 559                                 item->sort_key = SORT_BY_MARK;
 560                         else if (!strcmp(attr->value, "unread"))
 561                                 item->sort_key = SORT_BY_STATUS;
 562                         else if (!strcmp(attr->value, "mime"))
 563                                 item->sort_key = SORT_BY_MIME;
 564                         else if (!strcmp(attr->value, "to"))
 565                                 item->sort_key = SORT_BY_TO;
 566                         else if (!strcmp(attr->value, "locked"))
 567                                 item->sort_key = SORT_BY_LOCKED;
 568                 } else if (!strcmp(attr->name, "sort_type")) {
 569                         if (!strcmp(attr->value, "ascending"))
 570                                 item->sort_type = SORT_ASCENDING;
 571                         else
 572                                 item->sort_type = SORT_DESCENDING;
 573                 } else if (!strcmp(attr->name, "account_id")) {
 574                         PrefsAccount *account;
 575
 576                         account = account_find_from_id(atoi(attr->value));
 577                         if (!account)
 578                                 g_warning("account_id: %s not found\n", attr->value);
 579                         else
 580                                 item->account = account;
 581                 } else if (!strcmp(attr->name, "apply_sub"))
 582                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 583         }
 584 }
 585
 586 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 587 {
 588         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 589                                                  "draft", "queue", "trash"};
 590         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 591                                         "from", "subject", "score", "label",
 592                                         "mark", "unread", "mime", "to",
 593                                         "locked"};
 594         XMLTag *tag;
 595         gchar *value;
 596
 597         tag = xml_tag_new("folderitem");
 598
 599         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 600         if (item->name)
 601                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 602         if (item->path)
 603                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 604         if (item->no_sub)
 605                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 606         if (item->no_select)
 607                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 608         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 609         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 610         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 611         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 612         if (item->ret_rcpt)
 613                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 614
 615         if (item->sort_key != SORT_BY_NONE) {
 616                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 617                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 618         }
 619
 620         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 621         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 622         g_free(value);
 623         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 624         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 625         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 626         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 627         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 628
 629         if (item->account)
 630                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 631         if (item->apply_sub)
 632                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 633
 634         return tag;
 635 }
 636
 637 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 638 {
 639         g_return_if_fail(folder != NULL);
 640
 641         folder->ui_func = func;
 642         folder->ui_func_data = data;
 643 }
 644
 645 void folder_set_name(Folder *folder, const gchar *name)
 646 {
 647         g_return_if_fail(folder != NULL);
 648
 649         g_free(folder->name);
 650         folder->name = name ? g_strdup(name) : NULL;
 651         if (folder->node && folder->node->data) {
 652                 FolderItem *item = (FolderItem *)folder->node->data;
 653
 654                 g_free(item->name);
 655                 item->name = name ? g_strdup(name) : NULL;
 656         }
 657 }
 658
 659 void folder_set_sort(Folder *folder, guint sort)
 660 {
 661         g_return_if_fail(folder != NULL);
 662
 663         if (folder->sort != sort) {
 664                 folder_remove(folder);
 665                 folder->sort = sort;
 666                 folder_add(folder);
 667         }
 668 }
 669
 670 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 671         FolderItem *item = (FolderItem *) node->data;
 672
 673         folder_item_destroy(item);
 674         return FALSE;
 675 }
 676
 677 void folder_tree_destroy(Folder *folder)
 678 {
 679         GNode *node;
 680
 681         g_return_if_fail(folder != NULL);
 682
 683         node = folder->node;
 684
 685         prefs_filtering_clear_folder(folder);
 686
 687         if (node != NULL) {
 688                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 689                                 folder_tree_destroy_func, NULL);
 690                 g_node_destroy(node);
 691                 folder->node = NULL;
 692         }
 693 }
 694
 695 void folder_add(Folder *folder)
 696 {
 697         Folder *cur_folder;
 698         GList *cur;
 699         gint i;
 700         FolderUpdateData hookdata;
 701
 702         g_return_if_fail(folder != NULL);
 703
 704         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 705                 cur_folder = FOLDER(cur->data);
 706                 if (cur_folder->sort < folder->sort)
 707                         break;
 708         }
 709
 710         folder_list = g_list_insert(folder_list, folder, i);
 711
 712         hookdata.folder = folder;
 713         hookdata.update_flags = FOLDER_ADD_FOLDER;
 714         hookdata.item = NULL;
 715         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 716 }
 717
 718 void folder_remove(Folder *folder)
 719 {
 720         FolderUpdateData hookdata;
 721
 722         g_return_if_fail(folder != NULL);
 723
 724         folder_list = g_list_remove(folder_list, folder);
 725
 726         hookdata.folder = folder;
 727         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 728         hookdata.item = NULL;
 729         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 730 }
 731
 732 GList *folder_get_list(void)
 733 {
 734         return folder_list;
 735 }
 736
 737 gint folder_read_list(void)
 738 {
 739         GNode *node, *cur;
 740         XMLNode *xmlnode;
 741         gchar *path;
 742
 743         path = folder_get_list_path();
 744         if (!is_file_exist(path)) return -1;
 745         node = xml_parse_file(path);
 746         if (!node) return -1;
 747
 748         xmlnode = node->data;
 749         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 750                 g_warning("wrong folder list\n");
 751                 xml_free_tree(node);
 752                 return -1;
 753         }
 754
 755         cur = node->children;
 756         while (cur != NULL) {
 757                 Folder *folder;
 758
 759                 folder = folder_get_from_xml(cur);
 760                 if (folder != NULL)
 761                         folder_add(folder);
 762                 else
 763                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 764                                 (gpointer) xml_copy_tree(cur));
 765                 cur = cur->next;
 766         }
 767
 768         xml_free_tree(node);
 769         if (folder_list || folder_unloaded_list)
 770                 return 0;
 771         else
 772                 return -1;
 773 }
 774
 775 void folder_write_list(void)
 776 {
 777         GList *list;
 778         GSList *slist;
 779         Folder *folder;
 780         gchar *path;
 781         PrefFile *pfile;
 782         GNode *rootnode;
 783         XMLNode *xmlnode;
 784         XMLTag *tag;
 785
 786         path = folder_get_list_path();
 787         if ((pfile = prefs_write_open(path)) == NULL) return;
 788
 789         xml_file_put_xml_decl(pfile->fp);
 790         tag = xml_tag_new("folderlist");
 791
 792         xmlnode = xml_node_new(tag, NULL);
 793
 794         rootnode = g_node_new(xmlnode);
 795
 796         for (list = folder_list; list != NULL; list = list->next) {
 797                 GNode *node;
 798
 799                 folder = list->data;
 800                 node = folder_get_xml_node(folder);
 801                 if (node != NULL)
 802                         g_node_append(rootnode, node);
 803         }
 804
 805         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 806                 GNode *node = (GNode *) slist->data;
 807
 808                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 809         }
 810
 811         xml_write_tree(rootnode, pfile->fp);
 812
 813         if (prefs_file_close(pfile) < 0)
 814                 g_warning("failed to write folder list.\n");
 815
 816         xml_free_tree(rootnode);
 817 }
 818
 819 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 820 {
 821         GHashTable *pptable = (GHashTable *)data;
 822         FolderItem *item = (FolderItem *)node->data;
 823
 824         folder_item_restore_persist_prefs(item, pptable);
 825         folder_item_scan_full(item, FALSE);
 826
 827         return FALSE;
 828 }
 829
 830 void folder_scan_tree(Folder *folder, gboolean rebuild)
 831 {
 832         GHashTable *pptable;
 833         FolderUpdateData hookdata;
 834         Folder *old_folder = folder;
 835
 836         if (!folder->klass->scan_tree)
 837                 return;
 838
 839         pptable = folder_persist_prefs_new(folder);
 840
 841         if (rebuild)
 842                 folder_remove(folder);
 843
 844         if (folder->klass->scan_tree(folder) < 0) {
 845                 if (rebuild)
 846                         folder_add(old_folder);
 847                 return;
 848         } else if (rebuild)
 849                 folder_add(folder);
 850
 851         hookdata.folder = folder;
 852         hookdata.update_flags = FOLDER_TREE_CHANGED;
 853         hookdata.item = NULL;
 854         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 855
 856         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 857         folder_persist_prefs_free(pptable);
 858
 859         prefs_matcher_read_config();
 860
 861         folder_write_list();
 862 }
 863
 864 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 865 {
 866         FolderItem *new_item;
 867
 868         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 869         if (new_item) {
 870                 FolderUpdateData hookdata;
 871
 872                 new_item->cache = msgcache_new();
 873
 874                 hookdata.folder = new_item->folder;
 875                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 876                 hookdata.item = new_item;
 877                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 878         }
 879
 880         return new_item;
 881 }
 882
 883 gint folder_item_rename(FolderItem *item, gchar *newname)
 884 {
 885         gint retval;
 886
 887         g_return_val_if_fail(item != NULL, -1);
 888         g_return_val_if_fail(newname != NULL, -1);
 889
 890         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 891
 892         if (retval >= 0) {
 893                 FolderItemUpdateData hookdata;
 894                 FolderUpdateData hookdata2;
 895
 896                 hookdata.item = item;
 897                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 898                 hookdata.msg = NULL;
 899                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 900
 901                 hookdata2.folder = item->folder;
 902                 hookdata2.item = item;
 903                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
 904                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
 905         }
 906
 907         return retval;
 908 }
 909
 910 struct TotalMsgCount
 911 {
 912         guint new_msgs;
 913         guint unread_msgs;
 914         guint unreadmarked_msgs;
 915         guint marked_msgs;
 916         guint total_msgs;
 917 };
 918
 919 struct FuncToAllFoldersData
 920 {
 921         FolderItemFunc  function;
 922         gpointer        data;
 923 };
 924
 925 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 926 {
 927         FolderItem *item;
 928         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 929
 930         g_return_val_if_fail(node->data != NULL, FALSE);
 931
 932         item = FOLDER_ITEM(node->data);
 933         g_return_val_if_fail(item != NULL, FALSE);
 934
 935         function_data->function(item, function_data->data);
 936
 937         return FALSE;
 938 }
 939
 940 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 941 {
 942         GList *list;
 943         Folder *folder;
 944         struct FuncToAllFoldersData function_data;
 945
 946         function_data.function = function;
 947         function_data.data = data;
 948
 949         for (list = folder_list; list != NULL; list = list->next) {
 950                 folder = FOLDER(list->data);
 951                 if (folder->node)
 952                         g_node_traverse(folder->node, G_PRE_ORDER,
 953                                         G_TRAVERSE_ALL, -1,
 954                                         folder_func_to_all_folders_func,
 955                                         &function_data);
 956         }
 957 }
 958
 959 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 960 {
 961         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 962
 963         count->new_msgs += item->new_msgs;
 964         count->unread_msgs += item->unread_msgs;
 965         count->unreadmarked_msgs += item->unreadmarked_msgs;
 966         count->marked_msgs += item->marked_msgs;
 967         count->total_msgs += item->total_msgs;
 968 }
 969
 970 struct TotalMsgStatus
 971 {
 972         guint new;
 973         guint unread;
 974         guint total;
 975         GString *str;
 976 };
 977
 978 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 979 {
 980         FolderItem *item;
 981         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 982         gchar *id;
 983
 984         g_return_val_if_fail(node->data != NULL, FALSE);
 985
 986         item = FOLDER_ITEM(node->data);
 987
 988         if (!item->path) return FALSE;
 989
 990         status->new += item->new_msgs;
 991         status->unread += item->unread_msgs;
 992         status->total += item->total_msgs;
 993
 994         if (status->str) {
 995                 id = folder_item_get_identifier(item);
 996                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
 997                                   item->new_msgs, item->unread_msgs,
 998                                   item->total_msgs, id);
 999                 g_free(id);
1000         }
1001
1002         return FALSE;
1003  }
1004
1005 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
1006                                        guint *total)
1007 {
1008         GList *list;
1009         Folder *folder;
1010         struct TotalMsgStatus status;
1011
1012         status.new = status.unread = status.total = 0;
1013         status.str = str;
1014
1015         debug_print("Counting total number of messages...\n");
1016
1017         for (list = folder_list; list != NULL; list = list->next) {
1018                 folder = FOLDER(list->data);
1019                 if (folder->node)
1020                         g_node_traverse(folder->node, G_PRE_ORDER,
1021                                         G_TRAVERSE_ALL, -1,
1022                                         folder_get_status_full_all_func,
1023                                         &status);
1024         }
1025
1026         *new = status.new;
1027         *unread = status.unread;
1028         *total = status.total;
1029 }
1030
1031 gchar *folder_get_status(GPtrArray *folders, gboolean full)
1032 {
1033         guint new, unread, total;
1034         GString *str;
1035         gint i;
1036         gchar *ret;
1037
1038         new = unread = total = 0;
1039
1040         str = g_string_new(NULL);
1041
1042         if (folders) {
1043                 for (i = 0; i < folders->len; i++) {
1044                         FolderItem *item;
1045
1046                         item = g_ptr_array_index(folders, i);
1047                         new += item->new_msgs;
1048                         unread += item->unread_msgs;
1049                         total += item->total_msgs;
1050
1051                         if (full) {
1052                                 gchar *id;
1053
1054                                 id = folder_item_get_identifier(item);
1055                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1056                                                   item->new_msgs, item->unread_msgs,
1057                                                   item->total_msgs, id);
1058                                 g_free(id);
1059                         }
1060                 }
1061         } else {
1062                 folder_get_status_full_all(full ? str : NULL,
1063                                            &new, &unread, &total);
1064         }
1065
1066         if (full)
1067                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1068         else
1069                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1070
1071         ret = str->str;
1072         g_string_free(str, FALSE);
1073
1074         return ret;
1075 }
1076
1077 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1078                              guint *unreadmarked_msgs, guint *marked_msgs,
1079                              guint *total_msgs)
1080 {
1081         struct TotalMsgCount count;
1082
1083         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
1084
1085         debug_print("Counting total number of messages...\n");
1086
1087         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1088
1089         *new_msgs = count.new_msgs;
1090         *unread_msgs = count.unread_msgs;
1091         *unreadmarked_msgs = count.unreadmarked_msgs;
1092         *marked_msgs = count.marked_msgs;
1093         *total_msgs = count.total_msgs;
1094 }
1095
1096 Folder *folder_find_from_path(const gchar *path)
1097 {
1098         GList *list;
1099         Folder *folder;
1100
1101         for (list = folder_list; list != NULL; list = list->next) {
1102                 folder = list->data;
1103                 if ((FOLDER_TYPE(folder) == F_MH ||
1104                      FOLDER_TYPE(folder) == F_MBOX) &&
1105                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1106                         return folder;
1107         }
1108
1109         return NULL;
1110 }
1111
1112 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1113 {
1114         GList *list;
1115         Folder *folder;
1116
1117         for (list = folder_list; list != NULL; list = list->next) {
1118                 folder = list->data;
1119                 if (folder->klass == klass &&
1120                     strcmp2(name, folder->name) == 0)
1121                         return folder;
1122         }
1123
1124         return NULL;
1125 }
1126
1127 static gboolean folder_item_find_func(GNode *node, gpointer data)
1128 {
1129         FolderItem *item = node->data;
1130         gpointer *d = data;
1131         const gchar *path = d[0];
1132
1133         if (path_cmp(path, item->path) != 0)
1134                 return FALSE;
1135
1136         d[1] = item;
1137
1138         return TRUE;
1139 }
1140
1141 FolderItem *folder_find_item_from_path(const gchar *path)
1142 {
1143         Folder *folder;
1144         gpointer d[2];
1145
1146         folder = folder_get_default_folder();
1147         g_return_val_if_fail(folder != NULL, NULL);
1148
1149         d[0] = (gpointer)path;
1150         d[1] = NULL;
1151         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1152                         folder_item_find_func, d);
1153         return d[1];
1154 }
1155
1156 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1157 {
1158         GNode *node;
1159         FolderItem *child;
1160
1161         for (node = item->node->children; node != NULL; node = node->next) {
1162                 gchar *base;
1163                 child = FOLDER_ITEM(node->data);
1164                 base = g_path_get_basename(child->path);
1165                 if (strcmp2(base, name) == 0) {
1166                         g_free(base);
1167                         return child;
1168                 }
1169                 g_free(base);
1170         }
1171
1172         return NULL;
1173 }
1174
1175 FolderClass *folder_get_class_from_string(const gchar *str)
1176 {
1177         GSList *classlist;
1178
1179         classlist = folder_get_class_list();
1180         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1181                 FolderClass *class = (FolderClass *) classlist->data;
1182                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1183                         return class;
1184         }
1185
1186         return NULL;
1187 }
1188
1189 gchar *folder_get_identifier(Folder *folder)
1190 {
1191         gchar *type_str;
1192
1193         g_return_val_if_fail(folder != NULL, NULL);
1194
1195         type_str = folder->klass->idstr;
1196         return g_strconcat("#", type_str, "/", folder->name, NULL);
1197 }
1198
1199 gchar *folder_item_get_identifier(FolderItem *item)
1200 {
1201         gchar *id = NULL;
1202         gchar *folder_id = NULL;
1203
1204         g_return_val_if_fail(item != NULL, NULL);
1205         g_return_val_if_fail(item->path != NULL, NULL);
1206
1207         folder_id = folder_get_identifier(item->folder);
1208         id = g_strconcat(folder_id, "/", item->path, NULL);
1209         g_free(folder_id);
1210
1211         return id;
1212 }
1213
1214 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1215 {
1216         Folder *folder;
1217         gpointer d[2];
1218         gchar *str;
1219         gchar *p;
1220         gchar *name;
1221         gchar *path;
1222         FolderClass *class;
1223
1224         g_return_val_if_fail(identifier != NULL, NULL);
1225
1226         if (*identifier != '#')
1227                 return folder_find_item_from_path(identifier);
1228
1229         Xstrdup_a(str, identifier, return NULL);
1230
1231         p = strchr(str, '/');
1232         if (!p)
1233                 return folder_find_item_from_path(identifier);
1234         *p = '\0';
1235         p++;
1236         class = folder_get_class_from_string(&str[1]);
1237         if (class == NULL)
1238                 return folder_find_item_from_path(identifier);
1239
1240         name = p;
1241         p = strchr(p, '/');
1242         if (!p)
1243                 return folder_find_item_from_path(identifier);
1244         *p = '\0';
1245         p++;
1246
1247         folder = folder_find_from_name(name, class);
1248         if (!folder)
1249                 return folder_find_item_from_path(identifier);
1250
1251         path = p;
1252
1253         d[0] = (gpointer)path;
1254         d[1] = NULL;
1255         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1256                         folder_item_find_func, d);
1257         return d[1];
1258 }
1259
1260 /**
1261  * Get a displayable name for a FolderItem
1262  *
1263  * \param item FolderItem for that a name should be created
1264  * \return Displayable name for item, returned string has to
1265  *         be freed
1266  */
1267 gchar *folder_item_get_name(FolderItem *item)
1268 {
1269         gchar *name = NULL;
1270
1271         g_return_val_if_fail(item != NULL, g_strdup(""));
1272
1273         switch (item->stype) {
1274         case F_INBOX:
1275                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1276                                 item->name);
1277                 break;
1278         case F_OUTBOX:
1279                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1280                                 item->name);
1281                 break;
1282         case F_QUEUE:
1283                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1284                                 item->name);
1285                 break;
1286         case F_TRASH:
1287                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1288                                 item->name);
1289                 break;
1290         case F_DRAFT:
1291                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1292                                 item->name);
1293                 break;
1294         default:
1295                 break;
1296         }
1297
1298         if (name == NULL) {
1299                 /*
1300                  * should probably be done by a virtual function,
1301                  * the folder knows the ui string and how to abbrev
1302                 */
1303                 if (folder_item_parent(item) == NULL) {
1304                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1305                 } else {
1306                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1307                             item->path && !strcmp2(item->name, item->path))
1308                                 name = get_abbrev_newsgroup_name
1309                                         (item->path,
1310                                          prefs_common.ng_abbrev_len);
1311                         else
1312                                 name = g_strdup(item->name);
1313                 }
1314         }
1315
1316         if (name == NULL)
1317                 name = g_strdup("");
1318
1319         return name;
1320 }
1321
1322 Folder *folder_get_default_folder(void)
1323 {
1324         return folder_list ? FOLDER(folder_list->data) : NULL;
1325 }
1326
1327 gboolean folder_have_mailbox (void)
1328 {
1329         GList *cur;
1330         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1331                 Folder *folder = FOLDER(cur->data);
1332                 if (folder->inbox && folder->outbox)
1333                         return TRUE;
1334         }
1335         return FALSE;
1336 }
1337
1338 FolderItem *folder_get_default_inbox(void)
1339 {
1340         GList *flist;
1341
1342         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1343                 Folder * folder = FOLDER(flist->data);
1344
1345                 if (folder == NULL)
1346                         continue;
1347                 if (folder->inbox == NULL)
1348                         continue;
1349
1350                 return folder->inbox;
1351         }
1352
1353         return NULL;
1354 }
1355
1356 FolderItem *folder_get_default_outbox(void)
1357 {
1358         GList *flist;
1359
1360         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1361                 Folder * folder = FOLDER(flist->data);
1362
1363                 if (folder == NULL)
1364                         continue;
1365                 if (folder->outbox == NULL)
1366                         continue;
1367
1368                 return folder->outbox;
1369         }
1370
1371         return NULL;
1372 }
1373
1374 FolderItem *folder_get_default_draft(void)
1375 {
1376         GList *flist;
1377
1378         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1379                 Folder * folder = FOLDER(flist->data);
1380
1381                 if (folder == NULL)
1382                         continue;
1383                 if (folder->draft == NULL)
1384                         continue;
1385
1386                 return folder->draft;
1387         }
1388
1389         return NULL;
1390 }
1391
1392 FolderItem *folder_get_default_queue(void)
1393 {
1394         GList *flist;
1395
1396         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1397                 Folder * folder = FOLDER(flist->data);
1398
1399                 if (folder == NULL)
1400                         continue;
1401                 if (folder->queue == NULL)
1402                         continue;
1403
1404                 return folder->queue;
1405         }
1406
1407         return NULL;
1408 }
1409
1410 FolderItem *folder_get_default_trash(void)
1411 {
1412         GList *flist;
1413
1414         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1415                 Folder * folder = FOLDER(flist->data);
1416
1417                 if (folder == NULL)
1418                         continue;
1419                 if (folder->trash == NULL)
1420                         continue;
1421
1422                 return folder->trash;
1423         }
1424
1425         return NULL;
1426 }
1427
1428 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1429 {                                                               \
1430         if (!folder->member) {                                  \
1431                 item = folder_item_new(folder, dir, dir);       \
1432                 item->stype = type;                             \
1433                 folder_item_append(rootitem, item);             \
1434                 folder->member = item;                          \
1435         }                                                       \
1436 }
1437
1438 void folder_set_missing_folders(void)
1439 {
1440         Folder *folder;
1441         FolderItem *rootitem;
1442         FolderItem *item;
1443         GList *list;
1444
1445         for (list = folder_list; list != NULL; list = list->next) {
1446                 folder = list->data;
1447                 if (FOLDER_TYPE(folder) != F_MH) continue;
1448                 rootitem = FOLDER_ITEM(folder->node->data);
1449                 g_return_if_fail(rootitem != NULL);
1450
1451                 if (folder->inbox && folder->outbox && folder->draft &&
1452                     folder->queue && folder->trash)
1453                         continue;
1454
1455                 if (folder->klass->create_tree(folder) < 0) {
1456                         g_warning("%s: can't create the folder tree.\n",
1457                                   LOCAL_FOLDER(folder)->rootpath);
1458                         continue;
1459                 }
1460
1461                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1462                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1463                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1464                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1465                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1466         }
1467 }
1468
1469 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1470 {
1471         FolderItem *item = node->data;
1472         PrefsAccount *account = data;
1473
1474         if (item->account == account)
1475                 item->account = NULL;
1476
1477         return FALSE;
1478 }
1479
1480 void folder_unref_account_all(PrefsAccount *account)
1481 {
1482         Folder *folder;
1483         GList *list;
1484
1485         if (!account) return;
1486
1487         for (list = folder_list; list != NULL; list = list->next) {
1488                 folder = list->data;
1489                 if (folder->account == account)
1490                         folder->account = NULL;
1491                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1492                                 folder_unref_account_func, account);
1493         }
1494 }
1495
1496 #undef CREATE_FOLDER_IF_NOT_EXIST
1497
1498 gchar *folder_item_get_path(FolderItem *item)
1499 {
1500         Folder *folder;
1501
1502         g_return_val_if_fail(item != NULL, NULL);
1503         folder = item->folder;
1504         g_return_val_if_fail(folder != NULL, NULL);
1505
1506         return folder->klass->item_get_path(folder, item);
1507 }
1508
1509 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1510 {
1511         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1512               folder_has_parent_of_type(dest, F_QUEUE)  ||
1513               folder_has_parent_of_type(dest, F_DRAFT) ||
1514               folder_has_parent_of_type(dest, F_TRASH))) {
1515                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1516         } else {
1517                 flags->perm_flags = 0;
1518         }
1519         if (FOLDER_TYPE(dest->folder) == F_MH) {
1520                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1521                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1522                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1523                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1524                 }
1525         }
1526 }
1527
1528 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1529 {
1530         MsgInfo *msginfo_a = (MsgInfo *) a;
1531         MsgInfo *msginfo_b = (MsgInfo *) b;
1532
1533         return (msginfo_a->msgnum - msginfo_b->msgnum);
1534 }
1535
1536 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1537 {
1538         guint gint_a = GPOINTER_TO_INT(a);
1539         guint gint_b = GPOINTER_TO_INT(b);
1540
1541         return (gint_a - gint_b);
1542 }
1543
1544 void folder_item_process_open (FolderItem *item,
1545                                  void (*before_proc_func)(gpointer data),
1546                                  void (*after_proc_func)(gpointer data),
1547                                  gpointer data)
1548 {
1549         gchar *buf;
1550         if (item == NULL)
1551                 return;
1552         if((item->folder->klass->scan_required != NULL) &&
1553            (item->folder->klass->scan_required(item->folder, item))) {
1554                 folder_item_scan_full(item, TRUE);
1555         } else {
1556                 folder_item_syncronize_flags(item);
1557         }
1558
1559         /* Processing */
1560         buf = g_strdup_printf(_("Processing (%s)...\n"),
1561                               item->path ? item->path : item->name);
1562         debug_print("%s\n", buf);
1563         g_free(buf);
1564
1565         if (before_proc_func)
1566                 before_proc_func(data);
1567
1568         folder_item_apply_processing(item);
1569
1570         if (after_proc_func)
1571                 after_proc_func(data);
1572
1573         debug_print("done.\n");
1574         item->processing_pending = FALSE;
1575         return;
1576 }
1577
1578 gint folder_item_open(FolderItem *item)
1579 {
1580         START_TIMING("folder_item_open");
1581         if (item->no_select)
1582                 return -1;
1583
1584         if (item->scanning) {
1585                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
1586                 return -2;
1587         }
1588
1589         item->processing_pending = TRUE;
1590         folder_item_process_open (item, NULL, NULL, NULL);
1591
1592         item->opened = TRUE;
1593         END_TIMING();
1594         return 0;
1595 }
1596
1597 gint folder_item_close(FolderItem *item)
1598 {
1599         GSList *mlist, *cur;
1600         Folder *folder;
1601
1602         g_return_val_if_fail(item != NULL, -1);
1603
1604         if (item->no_select)
1605                 return -1;
1606
1607         if (item->new_msgs) {
1608                 folder_item_update_freeze();
1609                 mlist = folder_item_get_msg_list(item);
1610                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1611                         MsgInfo * msginfo;
1612
1613                         msginfo = (MsgInfo *) cur->data;
1614                         if (MSG_IS_NEW(msginfo->flags))
1615                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1616                         procmsg_msginfo_free(msginfo);
1617                 }
1618                 g_slist_free(mlist);
1619                 folder_item_update_thaw();
1620         }
1621
1622         folder_item_write_cache(item);
1623
1624         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1625
1626         item->opened = FALSE;
1627         folder = item->folder;
1628
1629         if (folder->klass->close == NULL)
1630                 return 0;
1631
1632         return folder->klass->close(folder, item);
1633 }
1634
1635 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1636 {
1637         MsgInfoList *msglist = NULL;
1638         Folder *folder = item->folder;
1639         if (item->no_select)
1640                 return NULL;
1641
1642         if (folder->klass->get_msginfos != NULL)
1643                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1644         else {
1645                 MsgNumberList *elem;
1646
1647                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1648                         MsgInfo *msginfo;
1649                         guint num;
1650
1651                         num = GPOINTER_TO_INT(elem->data);
1652                         msginfo = folder->klass->get_msginfo(folder, item, num);
1653                         if (msginfo != NULL)
1654                                 msglist = g_slist_prepend(msglist, msginfo);
1655                 }
1656         }
1657
1658         return msglist;
1659 }
1660
1661 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1662 {
1663         MsgNumberList numlist;
1664         MsgInfoList *msglist;
1665         MsgInfo *msginfo = NULL;
1666
1667         numlist.data = GINT_TO_POINTER(num);
1668         numlist.next = NULL;
1669         msglist = get_msginfos(item, &numlist);
1670         if (msglist != NULL)
1671                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1672         procmsg_msg_list_free(msglist);
1673
1674         return msginfo;
1675 }
1676
1677 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1678 {
1679         GRelation *relation;
1680         gint ret = 0;
1681         GSList *cur;
1682
1683         if(msglist == NULL)
1684                 return 0;
1685         if(item->folder->klass->get_flags == NULL)
1686                 return 0;
1687         if (item->no_select)
1688                 return 0;
1689
1690         relation = g_relation_new(2);
1691         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1692         folder_item_set_batch(item, TRUE);
1693         if ((ret = item->folder->klass->get_flags(
1694             item->folder, item, msglist, relation)) == 0) {
1695                 GTuples *tuples;
1696                 MsgInfo *msginfo;
1697                 MsgPermFlags permflags = 0;
1698                 gboolean skip;
1699
1700                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1701                         msginfo = (MsgInfo *) cur->data;
1702
1703                         tuples = g_relation_select(relation, msginfo, 0);
1704                         skip = tuples->len < 1;
1705                         if (!skip)
1706                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1707                         g_tuples_destroy(tuples);
1708                         if (skip)
1709                                 continue;
1710
1711                         if (msginfo->flags.perm_flags != permflags) {
1712                                 procmsg_msginfo_change_flags(msginfo,
1713                                         permflags & ~msginfo->flags.perm_flags, 0,
1714                                         ~permflags & msginfo->flags.perm_flags, 0);
1715                         }
1716                 }
1717         }
1718         folder_item_set_batch(item, FALSE);
1719         g_relation_destroy(relation);
1720
1721         return ret;
1722 }
1723
1724 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1725 {
1726         Folder *folder;
1727         GSList *folder_list = NULL, *cache_list = NULL;
1728         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1729         GSList *exists_list = NULL, *elem;
1730         GSList *newmsg_list = NULL;
1731         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1732         guint markedcnt = 0, unreadmarkedcnt = 0;
1733         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1734         gboolean update_flags = 0, old_uids_valid = FALSE;
1735         GHashTable *subject_table = NULL;
1736
1737         g_return_val_if_fail(item != NULL, -1);
1738         if (item->path == NULL) return -1;
1739
1740         folder = item->folder;
1741
1742         g_return_val_if_fail(folder != NULL, -1);
1743         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1744
1745         item->scanning = TRUE;
1746
1747         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1748
1749         /* Get list of messages for folder and cache */
1750         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1751                 debug_print("Error fetching list of message numbers\n");
1752                 item->scanning = FALSE;
1753                 return(-1);
1754         }
1755
1756         if(prefs_common.thread_by_subject) {
1757                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
1758         }
1759
1760         if (old_uids_valid) {
1761                 if (!item->cache)
1762                         folder_item_read_cache(item);
1763                 cache_list = msgcache_get_msg_list(item->cache);
1764         } else {
1765                 if (item->cache)
1766                         msgcache_destroy(item->cache);
1767                 item->cache = msgcache_new();
1768                 cache_list = NULL;
1769         }
1770
1771         /* Sort both lists */
1772         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1773         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1774
1775         cache_list_cur = cache_list;
1776         folder_list_cur = folder_list;
1777
1778         if (cache_list_cur != NULL) {
1779                 GSList *cache_list_last;
1780
1781                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1782                 cache_list_last = g_slist_last(cache_list);
1783                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1784         } else {
1785                 cache_cur_num = G_MAXINT;
1786                 cache_max_num = 0;
1787         }
1788
1789         if (folder_list_cur != NULL) {
1790                 GSList *folder_list_last;
1791
1792                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1793                 folder_list_last = g_slist_last(folder_list);
1794                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1795         } else {
1796                 folder_cur_num = G_MAXINT;
1797                 folder_max_num = 0;
1798         }
1799
1800         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1801                 /*
1802                  *  Message only exists in the folder
1803                  *  Remember message for fetching
1804                  */
1805                 if (folder_cur_num < cache_cur_num) {
1806                         gboolean add = FALSE;
1807
1808                         switch(FOLDER_TYPE(folder)) {
1809                                 case F_NEWS:
1810                                         if (folder_cur_num < cache_max_num)
1811                                                 break;
1812
1813                                         if (folder->account->max_articles == 0) {
1814                                                 add = TRUE;
1815                                         }
1816
1817                                         if (folder_max_num <= folder->account->max_articles) {
1818                                                 add = TRUE;
1819                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1820                                                 add = TRUE;
1821                                         }
1822                                         break;
1823                                 default:
1824                                         add = TRUE;
1825                                         break;
1826                         }
1827
1828                         if (add) {
1829                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1830                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1831                         }
1832
1833                         /* Move to next folder number */
1834                         folder_list_cur = folder_list_cur->next;
1835
1836                         if (folder_list_cur != NULL)
1837                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1838                         else
1839                                 folder_cur_num = G_MAXINT;
1840
1841                         continue;
1842                 }
1843
1844                 /*
1845                  *  Message only exists in the cache
1846                  *  Remove the message from the cache
1847                  */
1848                 if (cache_cur_num < folder_cur_num) {
1849                         msgcache_remove_msg(item->cache, cache_cur_num);
1850                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1851
1852                         /* Move to next cache number */
1853                         cache_list_cur = cache_list_cur->next;
1854
1855                         if (cache_list_cur != NULL)
1856                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1857                         else
1858                                 cache_cur_num = G_MAXINT;
1859
1860                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1861
1862                         continue;
1863                 }
1864
1865                 /*
1866                  *  Message number exists in folder and cache!
1867                  *  Check if the message has been modified
1868                  */
1869                 if (cache_cur_num == folder_cur_num) {
1870                         MsgInfo *msginfo;
1871
1872                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1873                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1874                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1875                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1876                                 procmsg_msginfo_free(msginfo);
1877
1878                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1879                         } else {
1880                                 exists_list = g_slist_prepend(exists_list, msginfo);
1881
1882                                 if(prefs_common.thread_by_subject &&
1883                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1884                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1885                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1886                                 }
1887                         }
1888
1889                         /* Move to next folder and cache number */
1890                         cache_list_cur = cache_list_cur->next;
1891                         folder_list_cur = folder_list_cur->next;
1892
1893                         if (cache_list_cur != NULL)
1894                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1895                         else
1896                                 cache_cur_num = G_MAXINT;
1897
1898                         if (folder_list_cur != NULL)
1899                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1900                         else
1901                                 folder_cur_num = G_MAXINT;
1902
1903                         continue;
1904                 }
1905         }
1906
1907         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1908                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1909
1910         g_slist_free(cache_list);
1911         g_slist_free(folder_list);
1912
1913         if (new_list != NULL) {
1914                 GSList *tmp_list = NULL;
1915                 newmsg_list = get_msginfos(item, new_list);
1916                 g_slist_free(new_list);
1917                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
1918                 syncronize_flags(item, tmp_list);
1919                 g_slist_free(tmp_list);
1920         } else {
1921                 syncronize_flags(item, exists_list);
1922         }
1923
1924         folder_item_update_freeze();
1925         if (newmsg_list != NULL) {
1926                 GSList *elem, *to_filter = NULL;
1927                 int total = g_slist_length(newmsg_list), cur = 0;
1928
1929                 if ((filtering == TRUE) &&
1930                     (item->stype == F_INBOX) &&
1931                     (item->folder->account != NULL) &&
1932                     (item->folder->account->filter_on_recv))
1933                         statusbar_print_all(_("Filtering messages...\n"));
1934
1935                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1936                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1937
1938                         statusbar_progress_all(cur++,total, 10);
1939
1940                         msgcache_add_msg(item->cache, msginfo);
1941                         if ((filtering == TRUE) &&
1942                             (item->stype == F_INBOX) &&
1943                             (item->folder->account != NULL) &&
1944                             (item->folder->account->filter_on_recv) &&
1945                             procmsg_msginfo_filter(msginfo))
1946                                 to_filter = g_slist_prepend(to_filter, msginfo);
1947                         else {
1948                                 exists_list = g_slist_prepend(exists_list, msginfo);
1949
1950                                 if(prefs_common.thread_by_subject &&
1951                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1952                                         !subject_table_lookup(subject_table, msginfo->subject)) {
1953                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
1954                                 }
1955                         }
1956                 }
1957                 filtering_move_and_copy_msgs(to_filter);
1958                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
1959                         MsgInfo *msginfo = (MsgInfo *)elem->data;
1960                         procmsg_msginfo_free(msginfo);
1961                 }
1962
1963                 g_slist_free(to_filter);
1964                 g_slist_free(newmsg_list);
1965
1966                 statusbar_progress_all(0,0,0);
1967                 statusbar_pop_all();
1968                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1969         }
1970
1971         folder_item_set_batch(item, TRUE);
1972         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1973                 MsgInfo *msginfo, *parent_msginfo;
1974
1975                 msginfo = elem->data;
1976                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1977                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1978                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1979                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
1980                 }
1981                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
1982                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
1983                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
1984                 {
1985                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
1986                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
1987                                                 MSG_NEW | MSG_UNREAD, 0);
1988                         }
1989                 }
1990                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
1991                      folder_has_parent_of_type(item, F_QUEUE)  ||
1992                      folder_has_parent_of_type(item, F_DRAFT)  ||
1993                      folder_has_parent_of_type(item, F_TRASH)) &&
1994                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1995                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1996                 if (MSG_IS_NEW(msginfo->flags))
1997                         newcnt++;
1998                 if (MSG_IS_UNREAD(msginfo->flags))
1999                         unreadcnt++;
2000                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2001                         unreadmarkedcnt++;
2002                 if (MSG_IS_MARKED(msginfo->flags))
2003                         markedcnt++;
2004
2005                 totalcnt++;
2006
2007                 procmsg_msginfo_free(msginfo);
2008         }
2009         folder_item_set_batch(item, FALSE);
2010         g_slist_free(exists_list);
2011
2012         if(prefs_common.thread_by_subject) {
2013                 g_hash_table_destroy(subject_table);
2014         }
2015
2016         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2017         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2018         ||  item->unreadmarked_msgs != unreadmarkedcnt) {
2019                 update_flags |= F_ITEM_UPDATE_CONTENT;
2020         }
2021
2022         item->new_msgs = newcnt;
2023         item->unread_msgs = unreadcnt;
2024         item->total_msgs = totalcnt;
2025         item->unreadmarked_msgs = unreadmarkedcnt;
2026         item->marked_msgs = markedcnt;
2027
2028         update_flags |= F_ITEM_UPDATE_MSGCNT;
2029
2030         folder_item_update(item, update_flags);
2031         folder_item_update_thaw();
2032
2033         item->scanning = FALSE;
2034
2035         return 0;
2036 }
2037
2038 gint folder_item_scan(FolderItem *item)
2039 {
2040         return folder_item_scan_full(item, TRUE);
2041 }
2042
2043 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
2044 {
2045         FolderItem *item = node->data;
2046
2047         folder_item_scan(item);
2048
2049         return FALSE;
2050 }
2051
2052 void folder_scan_all_items(Folder * folder)
2053 {
2054         g_node_traverse(folder->node, G_PRE_ORDER,
2055                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
2056 }
2057
2058 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
2059                                           gpointer data)
2060 {
2061         folder_item_scan(FOLDER_ITEM(key));
2062 }
2063
2064 void folder_item_scan_foreach(GHashTable *table)
2065 {
2066         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
2067 }
2068
2069 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2070 {
2071         gint *memusage = (gint *)data;
2072
2073         if (item->cache == NULL)
2074                 return;
2075
2076         *memusage += msgcache_get_memory_usage(item->cache);
2077 }
2078
2079 gint folder_item_syncronize_flags(FolderItem *item)
2080 {
2081         MsgInfoList *msglist = NULL;
2082         GSList *cur;
2083         gint ret = 0;
2084
2085         g_return_val_if_fail(item != NULL, -1);
2086         g_return_val_if_fail(item->folder != NULL, -1);
2087         g_return_val_if_fail(item->folder->klass != NULL, -1);
2088         if (item->no_select)
2089                 return -1;
2090
2091         item->scanning = TRUE;
2092
2093         if (item->cache == NULL)
2094                 folder_item_read_cache(item);
2095
2096         msglist = msgcache_get_msg_list(item->cache);
2097
2098         ret = syncronize_flags(item, msglist);
2099
2100         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
2101                 procmsg_msginfo_free((MsgInfo *) cur->data);
2102
2103         g_slist_free(msglist);
2104
2105         item->scanning = FALSE;
2106
2107         return ret;
2108 }
2109
2110 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2111 {
2112         FolderItem *fa = (FolderItem *)a;
2113         FolderItem *fb = (FolderItem *)b;
2114
2115         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2116 }
2117
2118 void folder_find_expired_caches(FolderItem *item, gpointer data)
2119 {
2120         GSList **folder_item_list = (GSList **)data;
2121         gint difftime, expiretime;
2122
2123         if (item->cache == NULL)
2124                 return;
2125
2126         if (item->opened > 0)
2127                 return;
2128
2129         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2130         expiretime = prefs_common.cache_min_keep_time * 60;
2131         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2132
2133         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2134                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2135         }
2136 }
2137
2138 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2139 {
2140         g_return_val_if_fail(item != NULL, TRUE);
2141
2142         if (item->cache == NULL)
2143                 return TRUE;
2144
2145         if (item->opened > 0 && !force)
2146                 return FALSE;
2147
2148         folder_item_write_cache(item);
2149         msgcache_destroy(item->cache);
2150         item->cache = NULL;
2151         return TRUE;
2152 }
2153
2154 void folder_clean_cache_memory_force(void)
2155 {
2156         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2157         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2158
2159         prefs_common.cache_max_mem_usage = 0;
2160         prefs_common.cache_min_keep_time = 0;
2161
2162         folder_clean_cache_memory(NULL);
2163
2164         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2165         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2166 }
2167
2168 void folder_clean_cache_memory(FolderItem *protected_item)
2169 {
2170         gint memusage = 0;
2171
2172         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2173         debug_print("Total cache memory usage: %d\n", memusage);
2174
2175         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2176                 GSList *folder_item_list = NULL, *listitem;
2177
2178                 debug_print("Trying to free cache memory\n");
2179
2180                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2181                 listitem = folder_item_list;
2182                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2183                         FolderItem *item = (FolderItem *)(listitem->data);
2184                         gint cache_size = 0;
2185                         if (item == protected_item) {
2186                                 listitem = listitem->next;
2187                                 continue;
2188                         }
2189                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2190                         cache_size = msgcache_get_memory_usage(item->cache);
2191                         if (folder_item_free_cache(item, FALSE))
2192                                 memusage -= cache_size;
2193
2194                         listitem = listitem->next;
2195                 }
2196                 g_slist_free(folder_item_list);
2197         }
2198 }
2199
2200 void folder_item_read_cache(FolderItem *item)
2201 {
2202         gchar *cache_file, *mark_file;
2203         START_TIMING("folder_item_read_cache");
2204         g_return_if_fail(item != NULL);
2205
2206         if (item->path != NULL) {
2207                 cache_file = folder_item_get_cache_file(item);
2208                 mark_file = folder_item_get_mark_file(item);
2209                 item->cache = msgcache_read_cache(item, cache_file);
2210                 if (!item->cache) {
2211                         MsgInfoList *list, *cur;
2212                         guint newcnt = 0, unreadcnt = 0;
2213                         guint markedcnt = 0, unreadmarkedcnt = 0;
2214                         MsgInfo *msginfo;
2215
2216                         item->cache = msgcache_new();
2217                         folder_item_scan_full(item, TRUE);
2218
2219                         msgcache_read_mark(item->cache, mark_file);
2220
2221                         list = msgcache_get_msg_list(item->cache);
2222                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2223                                 msginfo = cur->data;
2224
2225                                 if (MSG_IS_NEW(msginfo->flags))
2226                                         newcnt++;
2227                                 if (MSG_IS_UNREAD(msginfo->flags))
2228                                         unreadcnt++;
2229                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2230                                         unreadmarkedcnt++;
2231                                 if (MSG_IS_MARKED(msginfo->flags))
2232                                         markedcnt++;
2233                         }
2234                         item->new_msgs = newcnt;
2235                         item->unread_msgs = unreadcnt;
2236                         item->unreadmarked_msgs = unreadmarkedcnt;
2237                         item->marked_msgs = markedcnt;
2238                         procmsg_msg_list_free(list);
2239                 } else
2240                         msgcache_read_mark(item->cache, mark_file);
2241
2242                 g_free(cache_file);
2243                 g_free(mark_file);
2244         } else {
2245                 item->cache = msgcache_new();
2246         }
2247         END_TIMING();
2248         folder_clean_cache_memory(item);
2249 }
2250
2251 void folder_item_write_cache(FolderItem *item)
2252 {
2253         gchar *cache_file, *mark_file;
2254         FolderItemPrefs *prefs;
2255         gint filemode = 0;
2256         gchar *id;
2257
2258         if (!item || !item->path || !item->cache)
2259                 return;
2260
2261         id = folder_item_get_identifier(item);
2262         debug_print("Save cache for folder %s\n", id);
2263         g_free(id);
2264
2265         cache_file = folder_item_get_cache_file(item);
2266         mark_file = folder_item_get_mark_file(item);
2267         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2268                 prefs = item->prefs;
2269                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2270                         /* for cache file */
2271                         filemode = prefs->folder_chmod;
2272                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2273                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2274                         chmod(cache_file, filemode);
2275                 }
2276         }
2277
2278         g_free(cache_file);
2279         g_free(mark_file);
2280 }
2281
2282 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2283 {
2284         Folder *folder;
2285         MsgInfo *msginfo = NULL;
2286
2287         g_return_val_if_fail(item != NULL, NULL);
2288         if (item->no_select)
2289                 return NULL;
2290         folder = item->folder;
2291         if (!item->cache)
2292                 folder_item_read_cache(item);
2293
2294         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2295                 return msginfo;
2296
2297         msginfo = get_msginfo(item, num);
2298         if (msginfo != NULL) {
2299                 msgcache_add_msg(item->cache, msginfo);
2300                 return msginfo;
2301         }
2302
2303         return NULL;
2304 }
2305
2306 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2307 {
2308         Folder *folder;
2309         MsgInfo *msginfo;
2310
2311         g_return_val_if_fail(item != NULL, NULL);
2312         g_return_val_if_fail(msgid != NULL, NULL);
2313         if (item->no_select)
2314                 return FALSE;
2315
2316         folder = item->folder;
2317         if (!item->cache)
2318                 folder_item_read_cache(item);
2319
2320         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2321                 return msginfo;
2322
2323         return NULL;
2324 }
2325
2326 GSList *folder_item_get_msg_list(FolderItem *item)
2327 {
2328         g_return_val_if_fail(item != NULL, NULL);
2329         if (item->no_select)
2330                 return FALSE;
2331
2332         if (item->cache == 0)
2333                 folder_item_read_cache(item);
2334
2335         g_return_val_if_fail(item->cache != NULL, NULL);
2336
2337         return msgcache_get_msg_list(item->cache);
2338 }
2339
2340 void msginfo_set_mime_flags(GNode *node, gpointer data)
2341 {
2342         MsgInfo *msginfo = data;
2343         MimeInfo *mimeinfo = node->data;
2344
2345         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2346          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2347                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2348         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2349                  mimeinfo->type != MIMETYPE_TEXT &&
2350                  mimeinfo->type != MIMETYPE_MULTIPART) {
2351                 if (!mimeinfo->subtype
2352                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2353                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2354         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2355                 strcmp(mimeinfo->subtype, "pgp-signature") &&
2356                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2357                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2358                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2359         }
2360
2361         /* don't descend below top level message for signed and encrypted info */
2362         if (mimeinfo->type == MIMETYPE_MESSAGE)
2363                 return;
2364
2365         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2366                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2367         }
2368
2369         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2370                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2371         } else {
2372                 /* searching inside encrypted parts doesn't really make sense */
2373                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2374         }
2375 }
2376
2377 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2378 {
2379         Folder *folder;
2380         gchar *msgfile;
2381         MsgInfo *msginfo;
2382
2383         g_return_val_if_fail(item != NULL, NULL);
2384
2385         folder = item->folder;
2386
2387         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2388         if (item->no_select)
2389                 return NULL;
2390
2391         msgfile = folder->klass->fetch_msg(folder, item, num);
2392
2393         if (msgfile != NULL) {
2394                 msginfo = folder_item_get_msginfo(item, num);
2395                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2396                         MimeInfo *mimeinfo;
2397
2398                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2399                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2400                                 mimeinfo = procmime_scan_file(msgfile);
2401                         else
2402                                 mimeinfo = procmime_scan_queue_file(msgfile);
2403                         /* check for attachments */
2404                         if (mimeinfo != NULL) {
2405                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2406                                 procmime_mimeinfo_free_all(mimeinfo);
2407
2408                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2409                         }
2410                 }
2411                 procmsg_msginfo_free(msginfo);
2412         }
2413
2414         return msgfile;
2415 }
2416
2417 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2418                                   gboolean body)
2419 {
2420         Folder *folder;
2421         gchar *msgfile;
2422         MsgInfo *msginfo;
2423
2424         g_return_val_if_fail(item != NULL, NULL);
2425         if (item->no_select)
2426                 return NULL;
2427
2428         folder = item->folder;
2429
2430         if (folder->klass->fetch_msg_full == NULL)
2431                 return folder_item_fetch_msg(item, num);
2432
2433         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2434                                                 headers, body);
2435
2436         if (msgfile != NULL) {
2437                 msginfo = folder_item_get_msginfo(item, num);
2438                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2439                         MimeInfo *mimeinfo;
2440
2441                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2442                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2443                                 mimeinfo = procmime_scan_file(msgfile);
2444                         else
2445                                 mimeinfo = procmime_scan_queue_file(msgfile);
2446                         /* check for attachments */
2447                         if (mimeinfo != NULL) {
2448                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2449                                 procmime_mimeinfo_free_all(mimeinfo);
2450
2451                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2452                         }
2453                 }
2454                 procmsg_msginfo_free(msginfo);
2455         }
2456
2457         return msgfile;
2458 }
2459
2460
2461 gint folder_item_fetch_all_msg(FolderItem *item)
2462 {
2463         Folder *folder;
2464         GSList *mlist;
2465         GSList *cur;
2466         gint num = 0;
2467         gint ret = 0;
2468         gint total = 0;
2469
2470         g_return_val_if_fail(item != NULL, -1);
2471         if (item->no_select)
2472                 return -1;
2473
2474         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2475         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2476
2477         folder = item->folder;
2478
2479         if (folder->ui_func)
2480                 folder->ui_func(folder, item, folder->ui_func_data ?
2481                                 folder->ui_func_data : GINT_TO_POINTER(num));
2482
2483         mlist = folder_item_get_msg_list(item);
2484
2485         total = g_slist_length(mlist);
2486
2487         for (cur = mlist; cur != NULL; cur = cur->next) {
2488                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2489                 gchar *msg;
2490
2491                 statusbar_progress_all(num++,total, 10);
2492
2493                 if (folder->ui_func)
2494                         folder->ui_func(folder, item,
2495                                         folder->ui_func_data ?
2496                                         folder->ui_func_data :
2497                                         GINT_TO_POINTER(num));
2498
2499                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2500                 if (!msg) {
2501                         g_warning("Can't fetch message %d. Aborting.\n",
2502                                   msginfo->msgnum);
2503                         ret = -1;
2504                         break;
2505                 }
2506                 g_free(msg);
2507         }
2508
2509         statusbar_progress_all(0,0,0);
2510         statusbar_pop_all();
2511         procmsg_msg_list_free(mlist);
2512
2513         return ret;
2514 }
2515
2516 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2517 {
2518         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2519                                        {NULL,           NULL, FALSE}};
2520         FILE *fp;
2521         MsgInfo *msginfo;
2522         gint msgnum = 0;
2523         gchar buf[BUFFSIZE];
2524
2525         if ((fp = g_fopen(file, "rb")) == NULL)
2526                 return 0;
2527
2528         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2529             (folder_has_parent_of_type(dest, F_DRAFT)))
2530                 while (fgets(buf, sizeof(buf), fp) != NULL)
2531                         if (buf[0] == '\r' || buf[0] == '\n') break;
2532
2533         procheader_get_header_fields(fp, hentry);
2534         if (hentry[0].body) {
2535                 extract_parenthesis(hentry[0].body, '<', '>');
2536                 remove_space(hentry[0].body);
2537                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2538                         msgnum = msginfo->msgnum;
2539                         procmsg_msginfo_free(msginfo);
2540
2541                         debug_print("found message as uid %d\n", msgnum);
2542                 }
2543         }
2544
2545         g_free(hentry[0].body);
2546         hentry[0].body = NULL;
2547         fclose(fp);
2548
2549         return msgnum;
2550 }
2551
2552 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2553 {
2554         MsgPermFlags perm_flags = 0;
2555         MsgTmpFlags tmp_flags = 0;
2556
2557         /* create new flags */
2558         if (source != NULL) {
2559                 /* copy original flags */
2560                 perm_flags = source->flags.perm_flags;
2561                 tmp_flags = source->flags.tmp_flags;
2562         } else {
2563                 perm_flags = dest->flags.perm_flags;
2564                 tmp_flags = dest->flags.tmp_flags;
2565         }
2566
2567         /* remove new, unread and deleted in special folders */
2568         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2569             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2570             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2571             folder_has_parent_of_type(dest->folder, F_TRASH))
2572                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2573
2574         /* set ignore flag of ignored parent exists */
2575         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2576                 perm_flags |= MSG_IGNORE_THREAD;
2577
2578         /* Unset tmp flags that should not be copied */
2579         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
2580
2581         /* unset flags that are set but should not */
2582         /* and set new flags */
2583         procmsg_msginfo_change_flags(dest,
2584                                   ~dest->flags.perm_flags & perm_flags,
2585                                   ~dest->flags.tmp_flags  & tmp_flags,
2586                                    dest->flags.perm_flags & ~perm_flags,
2587                                    dest->flags.tmp_flags  & ~tmp_flags);
2588 }
2589
2590 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2591 {
2592         /* update folder stats */
2593         if (MSG_IS_NEW(newmsginfo->flags))
2594                 item->new_msgs++;
2595         if (MSG_IS_UNREAD(newmsginfo->flags))
2596                 item->unread_msgs++;
2597         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2598                 item->unreadmarked_msgs++;
2599         if (MSG_IS_MARKED(newmsginfo->flags))
2600                 item->marked_msgs++;
2601         item->total_msgs++;
2602
2603         folder_item_update_freeze();
2604
2605         if (!item->cache)
2606                 folder_item_read_cache(item);
2607
2608         msgcache_add_msg(item->cache, newmsginfo);
2609         copy_msginfo_flags(flagsource, newmsginfo);
2610         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2611         folder_item_update_thaw();
2612 }
2613
2614 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2615 {
2616         MsgInfoUpdate msginfo_update;
2617
2618         if (!item->cache)
2619                 folder_item_read_cache(item);
2620
2621         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2622                 msginfo->folder->new_msgs--;
2623         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2624                 msginfo->folder->unread_msgs--;
2625         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2626                 msginfo->folder->unreadmarked_msgs--;
2627         if (MSG_IS_MARKED(msginfo->flags))
2628                 item->marked_msgs--;
2629
2630         msginfo->folder->total_msgs--;
2631
2632         msginfo_update.msginfo = msginfo;
2633         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2634         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2635
2636         msgcache_remove_msg(item->cache, msginfo->msgnum);
2637         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2638 }
2639
2640 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2641                          MsgFlags *flags, gboolean remove_source)
2642 {
2643         GSList file_list;
2644         MsgFileInfo fileinfo;
2645
2646         g_return_val_if_fail(dest != NULL, -1);
2647         g_return_val_if_fail(file != NULL, -1);
2648
2649         fileinfo.msginfo = NULL;
2650         fileinfo.file = (gchar *)file;
2651         fileinfo.flags = flags;
2652         file_list.data = &fileinfo;
2653         file_list.next = NULL;
2654
2655         return folder_item_add_msgs(dest, &file_list, remove_source);
2656 }
2657
2658 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2659                           gboolean remove_source)
2660 {
2661         Folder *folder;
2662         gint ret, num, lastnum = -1;
2663         GSList *file_cur;
2664         GRelation *relation;
2665         MsgFileInfo *fileinfo = NULL;
2666         gboolean folderscan = FALSE;
2667
2668         g_return_val_if_fail(dest != NULL, -1);
2669         g_return_val_if_fail(file_list != NULL, -1);
2670         g_return_val_if_fail(dest->folder != NULL, -1);
2671         if (dest->no_select)
2672                 return -1;
2673
2674         folder = dest->folder;
2675
2676         relation = g_relation_new(2);
2677         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2678
2679         if (folder->klass->add_msgs != NULL) {
2680                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2681                 if (ret < 0) {
2682                         g_relation_destroy(relation);
2683                         return ret;
2684                 }
2685         } else {
2686                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2687                         fileinfo = (MsgFileInfo *) file_cur->data;
2688
2689                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2690                         if (ret < 0) {
2691                                 g_relation_destroy(relation);
2692                                 return ret;
2693                         }
2694                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2695                 }
2696         }
2697
2698         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2699                 GTuples *tuples;
2700
2701                 fileinfo = (MsgFileInfo *) file_cur->data;
2702                 tuples = g_relation_select(relation, fileinfo, 0);
2703                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2704                 g_tuples_destroy(tuples);
2705
2706                 if (num >= 0) {
2707                         MsgInfo *newmsginfo;
2708
2709                         if (num == 0) {
2710                                 if (!folderscan) {
2711                                         folder_item_scan_full(dest, FALSE);
2712                                         folderscan = TRUE;
2713                                 }
2714                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2715                         }
2716
2717                         if (num > lastnum)
2718                                 lastnum = num;
2719
2720                         if (num >= 0 && remove_source) {
2721                                 if (g_unlink(fileinfo->file) < 0)
2722                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2723                         }
2724
2725                         if (num == 0)
2726                                 continue;
2727
2728                         if (!folderscan &&
2729                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2730                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2731                                 procmsg_msginfo_free(newmsginfo);
2732                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2733                                 /* TODO: set default flags */
2734                                 procmsg_msginfo_free(newmsginfo);
2735                         }
2736                 }
2737         }
2738
2739         g_relation_destroy(relation);
2740
2741         return lastnum;
2742 }
2743
2744 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2745 {
2746         GSList *mlist;
2747         FolderItem *new_item;
2748         FolderItem *next_item;
2749         GNode *srcnode;
2750         gchar *old_id, *new_id;
2751
2752         /* move messages */
2753         debug_print("Moving %s to %s\n", src->path, dest->path);
2754         new_item = folder_create_folder(dest, src->name);
2755         if (new_item == NULL) {
2756                 printf("Can't create folder\n");
2757                 return NULL;
2758         }
2759
2760         if (new_item->folder == NULL)
2761                 new_item->folder = dest->folder;
2762
2763         /* move messages */
2764         log_message(_("Moving %s to %s...\n"),
2765                         src->name, new_item->path);
2766
2767         mlist = folder_item_get_msg_list(src);
2768
2769         if (mlist != NULL) {
2770                 folder_item_move_msgs(new_item, mlist);
2771                 procmsg_msg_list_free(mlist);
2772         }
2773
2774         /*copy prefs*/
2775         folder_item_prefs_copy_prefs(src, new_item);
2776         new_item->collapsed = src->collapsed;
2777         new_item->thread_collapsed = src->thread_collapsed;
2778         new_item->threaded  = src->threaded;
2779         new_item->ret_rcpt  = src->ret_rcpt;
2780         new_item->hide_read_msgs = src->hide_read_msgs;
2781         new_item->sort_key  = src->sort_key;
2782         new_item->sort_type = src->sort_type;
2783
2784         prefs_matcher_write_config();
2785
2786         /* recurse */
2787         srcnode = src->folder->node;
2788         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2789         srcnode = srcnode->children;
2790         while (srcnode != NULL) {
2791                 if (srcnode && srcnode->data) {
2792                         next_item = (FolderItem*) srcnode->data;
2793                         srcnode = srcnode->next;
2794                         if (folder_item_move_recursive(next_item, new_item) == NULL) {
2795                                 return NULL;
2796                         }
2797                 }
2798         }
2799         old_id = folder_item_get_identifier(src);
2800         new_id = folder_item_get_identifier(new_item);
2801         debug_print("updating rules : %s => %s\n", old_id, new_id);
2802
2803         /* if src supports removing, otherwise only copy folder */
2804         if (src->folder->klass->remove_folder != NULL)
2805                 src->folder->klass->remove_folder(src->folder, src);
2806         folder_write_list();
2807
2808         if (old_id != NULL && new_id != NULL) {
2809                 prefs_filtering_rename_path(old_id, new_id);
2810                 account_rename_path(old_id, new_id);
2811         }
2812         g_free(old_id);
2813         g_free(new_id);
2814
2815         return new_item;
2816 }
2817
2818 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2819 {
2820         FolderItem *tmp = folder_item_parent(dest);
2821         gchar * src_identifier, * dst_identifier;
2822         gchar * phys_srcpath, * phys_dstpath, *tmppath;
2823
2824         while (tmp) {
2825                 if (tmp == src) {
2826                         return F_MOVE_FAILED_DEST_IS_CHILD;
2827                 }
2828                 tmp = folder_item_parent(tmp);
2829         }
2830
2831         tmp = folder_item_parent(src);
2832
2833         src_identifier = folder_item_get_identifier(src);
2834         dst_identifier = folder_item_get_identifier(dest);
2835
2836         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2837                 /* dest can be a root folder */
2838                 dst_identifier = folder_get_identifier(dest->folder);
2839         }
2840         if (src_identifier == NULL || dst_identifier == NULL) {
2841                 debug_print("Can't get identifiers\n");
2842                 return F_MOVE_FAILED;
2843         }
2844
2845         if (src->folder != dest->folder) {
2846                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2847         }
2848
2849         phys_srcpath = folder_item_get_path(src);
2850         tmppath = folder_item_get_path(dest);
2851         phys_dstpath = g_strconcat(tmppath,
2852                        G_DIR_SEPARATOR_S,
2853                        g_path_get_basename(phys_srcpath),
2854                        NULL);
2855         g_free(tmppath);
2856
2857         if (folder_item_parent(src) == dest || src == dest) {
2858                 g_free(src_identifier);
2859                 g_free(dst_identifier);
2860                 g_free(phys_srcpath);
2861                 g_free(phys_dstpath);
2862                 return F_MOVE_FAILED_DEST_IS_PARENT;
2863         }
2864         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2865         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2866                 return F_MOVE_FAILED;
2867         }
2868
2869         g_free(src_identifier);
2870         g_free(dst_identifier);
2871         g_free(phys_srcpath);
2872         g_free(phys_dstpath);
2873
2874         *new_item = tmp;
2875
2876         return F_MOVE_OK;
2877 }
2878
2879 /**
2880  * Copy a list of message to a new folder and remove
2881  * source messages if wanted
2882  */
2883 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2884 {
2885         Folder *folder;
2886         GSList *l;
2887         gint num, lastnum = -1;
2888         gboolean folderscan = FALSE;
2889         GRelation *relation;
2890         GSList *not_moved = NULL;
2891         gint total = 0, curmsg = 0;
2892         MsgInfo *msginfo = NULL;
2893
2894         g_return_val_if_fail(dest != NULL, -1);
2895         g_return_val_if_fail(msglist != NULL, -1);
2896
2897         folder = dest->folder;
2898
2899         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2900         if (dest->no_select)
2901                 return -1;
2902
2903         msginfo = (MsgInfo *)msglist->data;
2904
2905         if (!msginfo)
2906                 return -1;
2907
2908         if (!MSG_IS_QUEUED(msginfo->flags) &&
2909             MSG_IS_DRAFT(msginfo->flags) &&
2910             folder_has_parent_of_type(dest, F_QUEUE)) {
2911                 GSList *cur = msglist;
2912                 gboolean queue_err = FALSE;
2913                 for (; cur; cur = cur->next) {
2914                         Compose *compose = NULL;
2915                         FolderItem *queue = dest;
2916                         int val = 0;
2917
2918                         msginfo = (MsgInfo *)cur->data;
2919                         compose = compose_reedit(msginfo, TRUE);
2920                         if (compose == NULL) {
2921                                 queue_err = TRUE;
2922                                 continue;
2923                         }
2924                         val = compose_queue(compose, NULL, &queue, NULL,
2925                                         FALSE);
2926                         if (val < 0) {
2927                                 queue_err = TRUE;
2928                         } else if (remove_source) {
2929                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
2930                         }
2931                         if (val == 0)
2932                                 compose_close(compose);
2933                 }
2934                 return queue_err ? -1:0;
2935         }
2936
2937         relation = g_relation_new(2);
2938         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2939         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2940
2941         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2942                 MsgInfo * msginfo = (MsgInfo *) l->data;
2943
2944                 if (msginfo->planned_download != 0) {
2945                         int old_planned = msginfo->planned_download;
2946                         partial_unmark(msginfo);
2947                         /* little hack to reenable after */
2948                         msginfo->planned_download = old_planned;
2949                 }
2950         }
2951
2952         /*
2953          * Copy messages to destination folder and
2954          * store new message numbers in newmsgnums
2955          */
2956         if (folder->klass->copy_msgs != NULL) {
2957                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2958                         g_relation_destroy(relation);
2959                         return -1;
2960                 }
2961         } else {
2962                 MsgInfo * msginfo;
2963                 l = msglist;
2964
2965                 /* immediately stop if src and dest folders are identical */
2966                 if (l != NULL) {
2967                         msginfo = (MsgInfo *) l->data;
2968                         if (msginfo != NULL && msginfo->folder == dest) {
2969                                 g_relation_destroy(relation);
2970                                 return -1;
2971                         }
2972                 }
2973
2974                 for (; l != NULL ; l = g_slist_next(l)) {
2975                         msginfo = (MsgInfo *) l->data;
2976
2977                         num = folder->klass->copy_msg(folder, dest, msginfo);
2978                         if (num > 0)
2979                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
2980                         else
2981                                 not_moved = g_slist_prepend(not_moved, msginfo);
2982                 }
2983         }
2984
2985         if (remove_source) {
2986                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
2987                 FolderItem *item = msginfo->folder;
2988                 /*
2989                  * Remove source messages from their folders if
2990                  * copying was successfull and update folder
2991                  * message counts
2992                  */
2993                 if (item->folder->klass->remove_msgs) {
2994                         item->folder->klass->remove_msgs(item->folder,
2995                                                                 msginfo->folder,
2996                                                                 msglist,
2997                                                                 relation);
2998                 }
2999                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3000                         GTuples *tuples;
3001                         msginfo = (MsgInfo *) l->data;
3002                         item = msginfo->folder;
3003
3004                         tuples = g_relation_select(relation, msginfo, 0);
3005                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3006                         g_tuples_destroy(tuples);
3007
3008                         if (g_slist_find(not_moved, msginfo))
3009                                 continue;
3010
3011                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3012                                 if (!item->folder->klass->remove_msgs)
3013                                         item->folder->klass->remove_msg(item->folder,
3014                                                                 msginfo->folder,
3015                                                                 msginfo->msgnum);
3016                                 remove_msginfo_from_cache(item, msginfo);
3017                         }
3018                 }
3019         }
3020
3021         /* Read cache for dest folder */
3022         if (!dest->cache) folder_item_read_cache(dest);
3023
3024         /*
3025          * Fetch new MsgInfos for new messages in dest folder,
3026          * add them to the msgcache and update folder message counts
3027          */
3028         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
3029                 folder_item_scan_full(dest, FALSE);
3030                 folderscan = TRUE;
3031         }
3032
3033         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3034         total = g_slist_length(msglist);
3035         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3036                 MsgInfo *msginfo = (MsgInfo *) l->data;
3037                 GTuples *tuples;
3038
3039                 tuples = g_relation_select(relation, msginfo, 0);
3040                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
3041                 g_tuples_destroy(tuples);
3042
3043                 statusbar_progress_all(curmsg++,total, 100);
3044                 if (curmsg % 100 == 0)
3045                         GTK_EVENTS_FLUSH();
3046
3047                 if (num >= 0) {
3048                         MsgInfo *newmsginfo = NULL;
3049
3050                         if (folderscan) {
3051                                 if (msginfo->msgid != NULL) {
3052                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3053                                         if (newmsginfo != NULL) {
3054                                                 copy_msginfo_flags(msginfo, newmsginfo);
3055                                                 num = newmsginfo->msgnum;
3056                                         }
3057                                 }
3058                         } else {
3059                                 newmsginfo = get_msginfo(dest, num);
3060                                 if (newmsginfo != NULL) {
3061                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3062                                 }
3063                         }
3064
3065                         if (msginfo->planned_download
3066                             == POP3_PARTIAL_DLOAD_DELE) {
3067                                 partial_mark_for_delete(newmsginfo);
3068                         }
3069                         if (msginfo->planned_download
3070                             == POP3_PARTIAL_DLOAD_DLOAD) {
3071                                 partial_mark_for_download(newmsginfo);
3072                         }
3073                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3074                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3075                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3076                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3077                         }
3078                         procmsg_msginfo_free(newmsginfo);
3079
3080
3081                         if (num > lastnum)
3082                                 lastnum = num;
3083                 }
3084         }
3085         statusbar_progress_all(0,0,0);
3086         statusbar_pop_all();
3087
3088         g_relation_destroy(relation);
3089         if (not_moved != NULL) {
3090                 g_slist_free(not_moved);
3091                 return -1;
3092         } else
3093                 return lastnum;
3094 }
3095
3096 /**
3097  * Move a message to a new folder.
3098  *
3099  * \param dest Destination folder
3100  * \param msginfo The message
3101  */
3102 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3103 {
3104         GSList list;
3105
3106         g_return_val_if_fail(dest != NULL, -1);
3107         g_return_val_if_fail(msginfo != NULL, -1);
3108
3109         list.data = msginfo;
3110         list.next = NULL;
3111
3112         return do_copy_msgs(dest, &list, TRUE);
3113 }
3114
3115 /**
3116  * Move a list of messages to a new folder.
3117  *
3118  * \param dest Destination folder
3119  * \param msglist List of messages
3120  */
3121 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3122 {
3123         gint result = -1;
3124         g_return_val_if_fail(dest != NULL, -1);
3125         g_return_val_if_fail(msglist != NULL, -1);
3126         inc_lock();
3127         result = do_copy_msgs(dest, msglist, TRUE);
3128         inc_unlock();
3129         return result;
3130 }
3131
3132 /**
3133  * Copy a message to a new folder.
3134  *
3135  * \param dest Destination folder
3136  * \param msginfo The message
3137  */
3138 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3139 {
3140         GSList list;
3141
3142         g_return_val_if_fail(dest != NULL, -1);
3143         g_return_val_if_fail(msginfo != NULL, -1);
3144
3145         list.data = msginfo;
3146         list.next = NULL;
3147
3148         return do_copy_msgs(dest, &list, FALSE);
3149 }
3150
3151 /**
3152  * Copy a list of messages to a new folder.
3153  *
3154  * \param dest Destination folder
3155  * \param msglist List of messages
3156  */
3157 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3158 {
3159         gint result;
3160         g_return_val_if_fail(dest != NULL, -1);
3161         g_return_val_if_fail(msglist != NULL, -1);
3162
3163         inc_lock();
3164         result = do_copy_msgs(dest, msglist, FALSE);
3165         inc_unlock();
3166
3167         return result;
3168 }
3169
3170 gint folder_item_remove_msg(FolderItem *item, gint num)
3171 {
3172         Folder *folder;
3173         gint ret;
3174         MsgInfo *msginfo;
3175
3176         g_return_val_if_fail(item != NULL, -1);
3177         folder = item->folder;
3178         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3179         if (item->no_select)
3180                 return -1;
3181
3182         if (!item->cache) folder_item_read_cache(item);
3183
3184         ret = folder->klass->remove_msg(folder, item, num);
3185
3186         msginfo = msgcache_get_msg(item->cache, num);
3187         if (msginfo != NULL) {
3188                 remove_msginfo_from_cache(item, msginfo);
3189                 procmsg_msginfo_free(msginfo);
3190         }
3191
3192         return ret;
3193 }
3194
3195 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3196 {
3197         Folder *folder;
3198         gint ret = 0;
3199
3200         g_return_val_if_fail(item != NULL, -1);
3201         folder = item->folder;
3202         g_return_val_if_fail(folder != NULL, -1);
3203         if (item->no_select)
3204                 return -1;
3205         inc_lock();
3206         if (!item->cache) folder_item_read_cache(item);
3207
3208         folder_item_update_freeze();
3209         if (item->folder->klass->remove_msgs) {
3210                 ret = item->folder->klass->remove_msgs(item->folder,
3211                                                         item,
3212                                                         msglist,
3213                                                         NULL);
3214         }
3215         while (ret == 0 && msglist != NULL) {
3216                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3217                 if (MSG_IS_LOCKED(msginfo->flags)) {
3218                         msglist = msglist->next;
3219                         continue;
3220                 }
3221                 if (!item->folder->klass->remove_msgs)
3222                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3223                 if (ret != 0) break;
3224                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3225                 msglist = msglist->next;
3226         }
3227         folder_item_scan_full(item, FALSE);
3228         folder_item_update_thaw();
3229         inc_unlock();
3230         return ret;
3231 }
3232
3233 gint folder_item_remove_all_msg(FolderItem *item)
3234 {
3235         Folder *folder;
3236         gint result;
3237
3238         g_return_val_if_fail(item != NULL, -1);
3239         if (item->no_select)
3240                 return -1;
3241
3242         folder = item->folder;
3243
3244         inc_lock();
3245         if (folder->klass->remove_all_msg != NULL) {
3246                 result = folder->klass->remove_all_msg(folder, item);
3247
3248                 if (result == 0) {
3249                         folder_item_free_cache(item, TRUE);
3250                         item->cache = msgcache_new();
3251                 }
3252         } else {
3253                 MsgInfoList *msglist;
3254
3255                 msglist = folder_item_get_msg_list(item);
3256                 result = folder_item_remove_msgs(item, msglist);
3257                 procmsg_msg_list_free(msglist);
3258         }
3259
3260         if (result == 0) {
3261                 item->new_msgs = 0;
3262                 item->unread_msgs = 0;
3263                 item->unreadmarked_msgs = 0;
3264                 item->marked_msgs = 0;
3265                 item->total_msgs = 0;
3266                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3267         }
3268
3269         inc_unlock();
3270         return result;
3271 }
3272
3273 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3274 {
3275         g_return_if_fail(item != NULL);
3276         g_return_if_fail(msginfo != NULL);
3277         if (item->no_select)
3278                 return;
3279
3280         if (item->folder->klass->change_flags != NULL) {
3281                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3282         } else {
3283                 msginfo->flags.perm_flags = newflags;
3284         }
3285 }
3286
3287 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3288 {
3289         Folder *folder;
3290
3291         g_return_val_if_fail(item != NULL, FALSE);
3292         if (item->no_select)
3293                 return FALSE;
3294
3295         folder = item->folder;
3296
3297         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3298
3299         return folder->klass->is_msg_changed(folder, item, msginfo);
3300 }
3301
3302 gchar *folder_item_get_cache_file(FolderItem *item)
3303 {
3304         gchar *path;
3305         gchar *file;
3306
3307         g_return_val_if_fail(item != NULL, NULL);
3308         g_return_val_if_fail(item->path != NULL, NULL);
3309
3310         path = folder_item_get_path(item);
3311         g_return_val_if_fail(path != NULL, NULL);
3312         if (!is_dir_exist(path))
3313                 make_dir_hier(path);
3314         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3315         g_free(path);
3316
3317         return file;
3318 }
3319
3320 gchar *folder_item_get_mark_file(FolderItem *item)
3321 {
3322         gchar *path;
3323         gchar *file;
3324
3325         g_return_val_if_fail(item != NULL, NULL);
3326         g_return_val_if_fail(item->path != NULL, NULL);
3327
3328         path = folder_item_get_path(item);
3329         g_return_val_if_fail(path != NULL, NULL);
3330         if (!is_dir_exist(path))
3331                 make_dir_hier(path);
3332         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3333         g_free(path);
3334
3335         return file;
3336 }
3337
3338 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3339 {
3340         XMLNode *xmlnode = (XMLNode *) nodedata;
3341         Folder *folder = (Folder *) data;
3342         FolderItem *item;
3343
3344         g_return_val_if_fail(xmlnode != NULL, NULL);
3345         g_return_val_if_fail(folder != NULL, NULL);
3346
3347         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3348                 g_warning("tag name != \"folderitem\"\n");
3349                 return NULL;
3350         }
3351
3352         item = folder_item_new(folder, "", "");
3353         if (folder->klass->item_set_xml != NULL)
3354                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3355         else
3356                 folder_item_set_xml(folder, item, xmlnode->tag);
3357
3358         item->folder = folder;
3359
3360         switch (item->stype) {
3361         case F_INBOX:  folder->inbox  = item; break;
3362         case F_OUTBOX: folder->outbox = item; break;
3363         case F_DRAFT:  folder->draft  = item; break;
3364         case F_QUEUE:  folder->queue  = item; break;
3365         case F_TRASH:  folder->trash  = item; break;
3366         default:       break;
3367         }
3368         folder_item_prefs_read_config(item);
3369
3370         return item;
3371 }
3372
3373 static gboolean folder_item_set_node(GNode *node, gpointer data)
3374 {
3375         FolderItem *item = (FolderItem *) node->data;
3376         item->node = node;
3377
3378         return FALSE;
3379 }
3380
3381 static Folder *folder_get_from_xml(GNode *node)
3382 {
3383         Folder *folder;
3384         XMLNode *xmlnode;
3385         GList *list;
3386         FolderClass *klass = NULL;
3387         GNode *cur;
3388
3389         g_return_val_if_fail(node->data != NULL, NULL);
3390
3391         xmlnode = node->data;
3392         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3393                 g_warning("tag name != \"folder\"\n");
3394                 return NULL;
3395         }
3396         list = xmlnode->tag->attr;
3397         for (; list != NULL; list = list->next) {
3398                 XMLAttr *attr = list->data;
3399
3400                 if (!attr || !attr->name || !attr->value) continue;
3401                 if (!strcmp(attr->name, "type"))
3402                         klass = folder_get_class_from_string(attr->value);
3403         }
3404         if (klass == NULL)
3405                 return NULL;
3406
3407         folder = folder_new(klass, "", "");
3408         g_return_val_if_fail(folder != NULL, NULL);
3409
3410         if (klass->set_xml)
3411                 klass->set_xml(folder, xmlnode->tag);
3412         else
3413                 folder_set_xml(folder, xmlnode->tag);
3414
3415         cur = node->children;
3416         while (cur != NULL) {
3417                 GNode *itemnode;
3418
3419                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3420                 g_node_append(folder->node, itemnode);
3421                 cur = cur->next;
3422         }
3423         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3424
3425         return folder;
3426 }
3427
3428 static gchar *folder_get_list_path(void)
3429 {
3430         static gchar *filename = NULL;
3431
3432         if (!filename)
3433                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3434                                         FOLDER_LIST, NULL);
3435
3436         return filename;
3437 }
3438
3439 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3440 {                                                       \
3441         fputs(" " attr "=\"", fp);                      \
3442         xml_file_put_escape_str(fp, str);               \
3443         fputs("\"", fp);                                \
3444 }
3445
3446 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3447 {
3448         FolderItem *item = (FolderItem *) nodedata;
3449         XMLTag *tag;
3450
3451         g_return_val_if_fail(item != NULL, NULL);
3452
3453         if (item->folder->klass->item_get_xml != NULL)
3454                 tag = item->folder->klass->item_get_xml(item->folder, item);
3455         else
3456                 tag = folder_item_get_xml(item->folder, item);
3457
3458         return xml_node_new(tag, NULL);
3459 }
3460
3461 static GNode *folder_get_xml_node(Folder *folder)
3462 {
3463         GNode *node;
3464         XMLNode *xmlnode;
3465         XMLTag *tag;
3466
3467         g_return_val_if_fail(folder != NULL, NULL);
3468
3469         if (folder->klass->get_xml != NULL)
3470                 tag = folder->klass->get_xml(folder);
3471         else
3472                 tag = folder_get_xml(folder);
3473
3474         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3475
3476         xmlnode = xml_node_new(tag, NULL);
3477
3478         node = g_node_new(xmlnode);
3479
3480         g_return_val_if_fail (folder->node != NULL, NULL);
3481
3482         if (folder->node->children) {
3483                 GNode *cur;
3484
3485                 cur = folder->node->children;
3486                 while (cur) {
3487                         GNode *xmlnode;
3488
3489                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3490                         g_node_append(node, xmlnode);
3491                         cur = cur->next;
3492                 }
3493         }
3494
3495         return node;
3496 }
3497
3498 static void folder_update_op_count_rec(GNode *node)
3499 {
3500         FolderItem *fitem = FOLDER_ITEM(node->data);
3501
3502         if (g_node_depth(node) > 0) {
3503                 if (fitem->op_count > 0) {
3504                         fitem->op_count = 0;
3505                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3506                 }
3507                 if (node->children) {
3508                         GNode *child;
3509
3510                         child = node->children;
3511                         while (child) {
3512                                 GNode *cur;
3513
3514                                 cur = child;
3515                                 child = cur->next;
3516                                 folder_update_op_count_rec(cur);
3517                         }
3518                 }
3519         }
3520 }
3521
3522 void folder_update_op_count(void)
3523 {
3524         GList *cur;
3525         Folder *folder;
3526
3527         for (cur = folder_list; cur != NULL; cur = cur->next) {
3528                 folder = cur->data;
3529                 folder_update_op_count_rec(folder->node);
3530         }
3531 }
3532
3533 typedef struct _type_str {
3534         gchar * str;
3535         gint type;
3536 } type_str;
3537
3538
3539 /*
3540 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3541 {
3542         if (item->parent != NULL) {
3543                 gchar * path;
3544                 gchar * id;
3545
3546                 path = folder_item_get_tree_identifier(item->parent);
3547                 if (path == NULL)
3548                         return NULL;
3549
3550                 id = g_strconcat(path, "/", item->name, NULL);
3551                 g_free(path);
3552
3553                 return id;
3554         }
3555         else {
3556                 return g_strconcat("/", item->name, NULL);
3557         }
3558 }
3559 */
3560
3561 /* CLAWS: temporary local folder for filtering */
3562 #define TEMP_FOLDER "TEMP_FOLDER"
3563 #define PROCESSING_FOLDER_ITEM "processing"
3564
3565 static FolderItem *processing_folder_item;
3566
3567 static void folder_create_processing_folder(void)
3568 {
3569         Folder *processing_folder;
3570         gchar      *tmpname;
3571