src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
  35 #include "folder.h"
  36 #include "session.h"
  37 #include "inc.h"
  38 #include "imap.h"
  39 #include "news.h"
  40 #include "mh.h"
  41 #include "utils.h"
  42 #include "xml.h"
  43 #include "codeconv.h"
  44 #include "prefs_gtk.h"
  45 #include "account.h"
  46 #include "filtering.h"
  47 #include "procheader.h"
  48 #include "hooks.h"
  49 #include "log.h"
  50 #include "folder_item_prefs.h"
  51 #include "remotefolder.h"
  52 #include "partial_download.h"
  53 #include "statusbar.h"
  54
  55 /* Dependecies to be removed ?! */
  56 #include "prefs_common.h"
  57 #include "prefs_account.h"
  58
  59 static GList *folder_list = NULL;
  60 static GSList *class_list = NULL;
  61 static GSList *folder_unloaded_list = NULL;
  62
  63 void folder_init                (Folder         *folder,
  64                                  const gchar    *name);
  65
  66 static gchar *folder_get_list_path      (void);
  67 static GNode *folder_get_xml_node       (Folder         *folder);
  68 static Folder *folder_get_from_xml      (GNode          *node);
  69 static void folder_update_op_count_rec  (GNode          *node);
  70
  71
  72 static void folder_get_persist_prefs_recursive
  73                                         (GNode *node, GHashTable *pptable);
  74 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  75 void folder_item_read_cache             (FolderItem *item);
  76 void folder_item_free_cache             (FolderItem *item);
  77 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  78 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
  79                                          MsgInfo *msg);
  80
  81 void folder_system_init(void)
  82 {
  83         folder_register_class(mh_get_class());
  84         folder_register_class(imap_get_class());
  85         folder_register_class(news_get_class());
  86 }
  87
  88 GSList *folder_get_class_list(void)
  89 {
  90         return class_list;
  91 }
  92
  93 void folder_register_class(FolderClass *klass)
  94 {
  95         GSList *xmllist, *cur;
  96
  97         debug_print("registering folder class %s\n", klass->idstr);
  98
  99         class_list = g_slist_append(class_list, klass);
 100
 101         xmllist = g_slist_copy(folder_unloaded_list);
 102         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 103                 GNode *node = (GNode *) cur->data;
 104                 XMLNode *xmlnode = (XMLNode *) node->data;
 105                 GList *cur = xmlnode->tag->attr;
 106
 107                 for (; cur != NULL; cur = g_list_next(cur)) {
 108                         XMLAttr *attr = (XMLAttr *) cur->data;
 109
 110                         if (!attr || !attr->name || !attr->value) continue;
 111                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 112                                 Folder *folder;
 113
 114                                 folder = folder_get_from_xml(node);
 115                                 folder_add(folder);
 116                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 117
 118                                 cur = NULL;
 119                                 continue;
 120                         }
 121                 }
 122         }
 123         g_slist_free(xmllist);
 124 }
 125
 126 void folder_unregister_class(FolderClass *klass)
 127 {
 128         GList *folderlist, *cur;
 129
 130         debug_print("unregistering folder class %s\n", klass->idstr);
 131
 132         class_list = g_slist_remove(class_list, klass);
 133
 134         folderlist = g_list_copy(folder_get_list());
 135         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 136                 Folder *folder = (Folder *) cur->data;
 137
 138                 if (folder->klass == klass) {
 139                         GNode *xmlnode = folder_get_xml_node(folder);
 140                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 141                         folder_destroy(folder);
 142                 }
 143         }
 144         g_list_free(folderlist);
 145 }
 146
 147 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 148 {
 149         Folder *folder = NULL;
 150         FolderItem *item;
 151
 152         g_return_val_if_fail(klass != NULL, NULL);
 153
 154         name = name ? name : path;
 155         folder = klass->new_folder(name, path);
 156
 157         /* Create root folder item */
 158         item = folder_item_new(folder, name, NULL);
 159         item->folder = folder;
 160         folder->node = item->node = g_node_new(item);
 161         folder->data = NULL;
 162
 163         return folder;
 164 }
 165
 166 void folder_init(Folder *folder, const gchar *name)
 167 {
 168         g_return_if_fail(folder != NULL);
 169
 170         folder_set_name(folder, name);
 171
 172         /* Init folder data */
 173         folder->account = NULL;
 174         folder->sort = 0;
 175         folder->inbox = NULL;
 176         folder->outbox = NULL;
 177         folder->draft = NULL;
 178         folder->queue = NULL;
 179         folder->trash = NULL;
 180 }
 181
 182 void folder_destroy(Folder *folder)
 183 {
 184         g_return_if_fail(folder != NULL);
 185         g_return_if_fail(folder->klass->destroy_folder != NULL);
 186
 187         folder_remove(folder);
 188
 189         folder_tree_destroy(folder);
 190
 191         folder->klass->destroy_folder(folder);
 192
 193         g_free(folder->name);
 194         g_free(folder);
 195 }
 196
 197 void folder_set_xml(Folder *folder, XMLTag *tag)
 198 {
 199         GList *cur;
 200         FolderItem *rootitem = NULL;
 201
 202         if ((folder->node != NULL) && (folder->node->data != NULL))
 203                 rootitem = (FolderItem *) folder->node->data;
 204
 205         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 206                 XMLAttr *attr = (XMLAttr *) cur->data;
 207
 208                 if (!attr || !attr->name || !attr->value) continue;
 209                 if (!strcmp(attr->name, "name")) {
 210                         if (folder->name != NULL)
 211                                 g_free(folder->name);
 212                         folder->name = g_strdup(attr->value);
 213                         if (rootitem != NULL) {
 214                                 if (rootitem->name != NULL)
 215                                         g_free(rootitem->name);
 216                                 rootitem->name = g_strdup(attr->value);
 217                         }
 218                 } else if (!strcmp(attr->name, "account_id")) {
 219                         PrefsAccount *account;
 220
 221                         account = account_find_from_id(atoi(attr->value));
 222                         if (!account)
 223                                 g_warning("account_id: %s not found\n", attr->value);
 224                         else {
 225                                 folder->account = account;
 226                                 account->folder = folder;
 227                         }
 228                 } else if (!strcmp(attr->name, "collapsed")) {
 229                         if (rootitem != NULL)
 230                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 231                 } else if (!strcmp(attr->name, "sort")) {
 232                         folder->sort = atoi(attr->value);
 233                 }
 234         }
 235 }
 236
 237 XMLTag *folder_get_xml(Folder *folder)
 238 {
 239         XMLTag *tag;
 240
 241         tag = xml_tag_new("folder");
 242
 243         if (folder->name)
 244                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 245         if (folder->account)
 246                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 247         if (folder->node && folder->node->data) {
 248                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 249
 250                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 251         }
 252         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 253
 254         return tag;
 255 }
 256
 257 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 258 {
 259         FolderItem *item = NULL;
 260
 261         if (folder->klass->item_new) {
 262                 item = folder->klass->item_new(folder);
 263         } else {
 264                 item = g_new0(FolderItem, 1);
 265         }
 266
 267         g_return_val_if_fail(item != NULL, NULL);
 268
 269         item->stype = F_NORMAL;
 270         item->name = g_strdup(name);
 271         item->path = g_strdup(path);
 272         item->mtime = 0;
 273         item->new_msgs = 0;
 274         item->unread_msgs = 0;
 275         item->unreadmarked_msgs = 0;
 276         item->total_msgs = 0;
 277         item->last_num = -1;
 278         item->cache = NULL;
 279         item->no_sub = FALSE;
 280         item->no_select = FALSE;
 281         item->collapsed = FALSE;
 282         item->thread_collapsed = FALSE;
 283         item->threaded  = TRUE;
 284         item->ret_rcpt  = FALSE;
 285         item->opened    = FALSE;
 286         item->node = g_node_new(item);
 287         item->folder = NULL;
 288         item->account = NULL;
 289         item->apply_sub = FALSE;
 290         item->mark_queue = NULL;
 291         item->data = NULL;
 292
 293         item->prefs = folder_item_prefs_new();
 294
 295         return item;
 296 }
 297
 298 void folder_item_append(FolderItem *parent, FolderItem *item)
 299 {
 300         g_return_if_fail(parent != NULL);
 301         g_return_if_fail(parent->folder != NULL);
 302         g_return_if_fail(parent->node != NULL);
 303         g_return_if_fail(item != NULL);
 304
 305         item->folder = parent->folder;
 306         g_node_append(parent->node, item->node);
 307 }
 308
 309 static gboolean folder_item_remove_func(GNode *node, gpointer data)
 310 {
 311         FolderItem *item = FOLDER_ITEM(node->data);
 312         FolderUpdateData hookdata;
 313
 314         if (item->cache != NULL) {
 315                 msgcache_destroy(item->cache);
 316                 item->cache = NULL;
 317         }
 318
 319         hookdata.folder = item->folder;
 320         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 321         hookdata.item = item;
 322         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 323
 324         folder_item_destroy(item);
 325
 326         return FALSE;
 327 }
 328
 329 void folder_item_remove(FolderItem *item)
 330 {
 331         GNode *node;
 332
 333         g_return_if_fail(item != NULL);
 334         g_return_if_fail(item->folder != NULL);
 335         g_return_if_fail(item->node != NULL);
 336         node = item->node;
 337
 338         if (item->folder->node == node)
 339                 item->folder->node = NULL;
 340
 341         g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 342                         folder_item_remove_func, NULL);
 343         g_node_destroy(node);
 344 }
 345
 346 void folder_item_remove_children(FolderItem *item)
 347 {
 348         GNode *node, *next;
 349
 350         g_return_if_fail(item != NULL);
 351         g_return_if_fail(item->folder != NULL);
 352         g_return_if_fail(item->node != NULL);
 353
 354         node = item->node->children;
 355         while (node != NULL) {
 356                 next = node->next;
 357                 folder_item_remove(FOLDER_ITEM(node->data));
 358                 node = next;
 359         }
 360 }
 361
 362 void folder_item_destroy(FolderItem *item)
 363 {
 364         Folder *folder;
 365
 366         g_return_if_fail(item != NULL);
 367
 368         folder = item->folder;
 369         if (folder) {
 370                 if (folder->inbox == item)
 371                         folder->inbox = NULL;
 372                 else if (folder->outbox == item)
 373                         folder->outbox = NULL;
 374                 else if (folder->draft == item)
 375                         folder->draft = NULL;
 376                 else if (folder->queue == item)
 377                         folder->queue = NULL;
 378                 else if (folder->trash == item)
 379                         folder->trash = NULL;
 380         }
 381
 382         if (item->cache)
 383                 folder_item_free_cache(item);
 384         if (item->prefs)
 385                 folder_item_prefs_free(item->prefs);
 386         g_free(item->name);
 387         g_free(item->path);
 388
 389         if (item->folder != NULL) {
 390                 if(item->folder->klass->item_destroy) {
 391                         item->folder->klass->item_destroy(item->folder, item);
 392                 } else {
 393                         g_free(item);
 394                 }
 395         }
 396 }
 397
 398 FolderItem *folder_item_parent(FolderItem *item)
 399 {
 400         g_return_val_if_fail(item != NULL, NULL);
 401         g_return_val_if_fail(item->node != NULL, NULL);
 402
 403         if (item->node->parent == NULL)
 404                 return NULL;
 405         return (FolderItem *) item->node->parent->data;
 406 }
 407
 408 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 409 {
 410         GList *cur;
 411
 412         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 413                 XMLAttr *attr = (XMLAttr *) cur->data;
 414
 415                 if (!attr || !attr->name || !attr->value) continue;
 416                 if (!strcmp(attr->name, "type")) {
 417                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 418                                 item->stype = F_NORMAL;
 419                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 420                                 item->stype = F_INBOX;
 421                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 422                                 item->stype = F_OUTBOX;
 423                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 424                                 item->stype = F_DRAFT;
 425                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 426                                 item->stype = F_QUEUE;
 427                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 428                                 item->stype = F_TRASH;
 429                 } else if (!strcmp(attr->name, "name")) {
 430                         if (item->name != NULL)
 431                                 g_free(item->name);
 432                         item->name = g_strdup(attr->value);
 433                 } else if (!strcmp(attr->name, "path")) {
 434                         if (item->path != NULL)
 435                                 g_free(item->path);
 436                         item->path = g_strdup(attr->value);
 437                 } else if (!strcmp(attr->name, "mtime"))
 438                         item->mtime = strtoul(attr->value, NULL, 10);
 439                 else if (!strcmp(attr->name, "new"))
 440                         item->new_msgs = atoi(attr->value);
 441                 else if (!strcmp(attr->name, "unread"))
 442                         item->unread_msgs = atoi(attr->value);
 443                 else if (!strcmp(attr->name, "unreadmarked"))
 444                         item->unreadmarked_msgs = atoi(attr->value);
 445                 else if (!strcmp(attr->name, "total"))
 446                         item->total_msgs = atoi(attr->value);
 447                 else if (!strcmp(attr->name, "no_sub"))
 448                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 449                 else if (!strcmp(attr->name, "no_select"))
 450                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 451                 else if (!strcmp(attr->name, "collapsed"))
 452                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 453                 else if (!strcmp(attr->name, "thread_collapsed"))
 454                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 455                 else if (!strcmp(attr->name, "threaded"))
 456                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 457                 else if (!strcmp(attr->name, "hidereadmsgs"))
 458                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 459                 else if (!strcmp(attr->name, "reqretrcpt"))
 460                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 461                 else if (!strcmp(attr->name, "sort_key")) {
 462                         if (!strcmp(attr->value, "none"))
 463                                 item->sort_key = SORT_BY_NONE;
 464                         else if (!strcmp(attr->value, "number"))
 465                                 item->sort_key = SORT_BY_NUMBER;
 466                         else if (!strcmp(attr->value, "size"))
 467                                 item->sort_key = SORT_BY_SIZE;
 468                         else if (!strcmp(attr->value, "date"))
 469                                 item->sort_key = SORT_BY_DATE;
 470                         else if (!strcmp(attr->value, "from"))
 471                                 item->sort_key = SORT_BY_FROM;
 472                         else if (!strcmp(attr->value, "subject"))
 473                                 item->sort_key = SORT_BY_SUBJECT;
 474                         else if (!strcmp(attr->value, "score"))
 475                                 item->sort_key = SORT_BY_SCORE;
 476                         else if (!strcmp(attr->value, "label"))
 477                                 item->sort_key = SORT_BY_LABEL;
 478                         else if (!strcmp(attr->value, "mark"))
 479                                 item->sort_key = SORT_BY_MARK;
 480                         else if (!strcmp(attr->value, "unread"))
 481                                 item->sort_key = SORT_BY_STATUS;
 482                         else if (!strcmp(attr->value, "mime"))
 483                                 item->sort_key = SORT_BY_MIME;
 484                         else if (!strcmp(attr->value, "to"))
 485                                 item->sort_key = SORT_BY_TO;
 486                         else if (!strcmp(attr->value, "locked"))
 487                                 item->sort_key = SORT_BY_LOCKED;
 488                 } else if (!strcmp(attr->name, "sort_type")) {
 489                         if (!strcmp(attr->value, "ascending"))
 490                                 item->sort_type = SORT_ASCENDING;
 491                         else
 492                                 item->sort_type = SORT_DESCENDING;
 493                 } else if (!strcmp(attr->name, "account_id")) {
 494                         PrefsAccount *account;
 495
 496                         account = account_find_from_id(atoi(attr->value));
 497                         if (!account)
 498                                 g_warning("account_id: %s not found\n", attr->value);
 499                         else
 500                                 item->account = account;
 501                 } else if (!strcmp(attr->name, "apply_sub"))
 502                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 503         }
 504 }
 505
 506 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 507 {
 508         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 509                                                  "draft", "queue", "trash"};
 510         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 511                                         "from", "subject", "score", "label",
 512                                         "mark", "unread", "mime", "to",
 513                                         "locked"};
 514         XMLTag *tag;
 515         gchar *value;
 516
 517         tag = xml_tag_new("folderitem");
 518
 519         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 520         if (item->name)
 521                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 522         if (item->path)
 523                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 524         if (item->no_sub)
 525                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 526         if (item->no_select)
 527                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 528         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 529         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 530         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 531         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 532         if (item->ret_rcpt)
 533                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 534
 535         if (item->sort_key != SORT_BY_NONE) {
 536                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 537                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 538         }
 539
 540         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 541         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 542         g_free(value);
 543         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 544         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 545         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 546         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 547
 548         if (item->account)
 549                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 550         if (item->apply_sub)
 551                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 552
 553         return tag;
 554 }
 555
 556 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 557 {
 558         g_return_if_fail(folder != NULL);
 559
 560         folder->ui_func = func;
 561         folder->ui_func_data = data;
 562 }
 563
 564 void folder_set_name(Folder *folder, const gchar *name)
 565 {
 566         g_return_if_fail(folder != NULL);
 567
 568         g_free(folder->name);
 569         folder->name = name ? g_strdup(name) : NULL;
 570         if (folder->node && folder->node->data) {
 571                 FolderItem *item = (FolderItem *)folder->node->data;
 572
 573                 g_free(item->name);
 574                 item->name = name ? g_strdup(name) : NULL;
 575         }
 576 }
 577
 578 void folder_set_sort(Folder *folder, guint sort)
 579 {
 580         g_return_if_fail(folder != NULL);
 581
 582         if (folder->sort != sort) {
 583                 folder_remove(folder);
 584                 folder->sort = sort;
 585                 folder_add(folder);
 586         }
 587 }
 588
 589 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 590         FolderItem *item = (FolderItem *) node->data;
 591
 592         folder_item_destroy(item);
 593         return FALSE;
 594 }
 595
 596 void folder_tree_destroy(Folder *folder)
 597 {
 598         GNode *node;
 599
 600         g_return_if_fail(folder != NULL);
 601
 602         node = folder->node;
 603
 604         prefs_filtering_clear_folder(folder);
 605
 606         if (node != NULL) {
 607                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 608                                 folder_tree_destroy_func, NULL);
 609                 g_node_destroy(node);
 610                 folder->node = NULL;
 611         }
 612 }
 613
 614 void folder_add(Folder *folder)
 615 {
 616         Folder *cur_folder;
 617         GList *cur;
 618         gint i;
 619         FolderUpdateData hookdata;
 620
 621         g_return_if_fail(folder != NULL);
 622
 623         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 624                 cur_folder = FOLDER(cur->data);
 625                 if (cur_folder->sort < folder->sort)
 626                         break;
 627         }
 628
 629         folder_list = g_list_insert(folder_list, folder, i);
 630
 631         hookdata.folder = folder;
 632         hookdata.update_flags = FOLDER_ADD_FOLDER;
 633         hookdata.item = NULL;
 634         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 635 }
 636
 637 void folder_remove(Folder *folder)
 638 {
 639         FolderUpdateData hookdata;
 640
 641         g_return_if_fail(folder != NULL);
 642
 643         folder_list = g_list_remove(folder_list, folder);
 644
 645         hookdata.folder = folder;
 646         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 647         hookdata.item = NULL;
 648         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 649 }
 650
 651 GList *folder_get_list(void)
 652 {
 653         return folder_list;
 654 }
 655
 656 gint folder_read_list(void)
 657 {
 658         GNode *node, *cur;
 659         XMLNode *xmlnode;
 660         gchar *path;
 661
 662         path = folder_get_list_path();
 663         if (!is_file_exist(path)) return -1;
 664         node = xml_parse_file(path);
 665         if (!node) return -1;
 666
 667         xmlnode = node->data;
 668         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 669                 g_warning("wrong folder list\n");
 670                 xml_free_tree(node);
 671                 return -1;
 672         }
 673
 674         cur = node->children;
 675         while (cur != NULL) {
 676                 Folder *folder;
 677
 678                 folder = folder_get_from_xml(cur);
 679                 if (folder != NULL)
 680                         folder_add(folder);
 681                 else
 682                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 683                                 (gpointer) xml_copy_tree(cur));
 684                 cur = cur->next;
 685         }
 686
 687         xml_free_tree(node);
 688         if (folder_list)
 689                 return 0;
 690         else
 691                 return -1;
 692 }
 693
 694 void folder_write_list(void)
 695 {
 696         GList *list;
 697         GSList *slist;
 698         Folder *folder;
 699         gchar *path;
 700         PrefFile *pfile;
 701         GNode *rootnode;
 702         XMLNode *xmlnode;
 703         XMLTag *tag;
 704
 705         path = folder_get_list_path();
 706         if ((pfile = prefs_write_open(path)) == NULL) return;
 707
 708         xml_file_put_xml_decl(pfile->fp);
 709         tag = xml_tag_new("folderlist");
 710
 711         xmlnode = xml_node_new(tag, NULL);
 712
 713         rootnode = g_node_new(xmlnode);
 714
 715         for (list = folder_list; list != NULL; list = list->next) {
 716                 GNode *node;
 717
 718                 folder = list->data;
 719                 node = folder_get_xml_node(folder);
 720                 if (node != NULL)
 721                         g_node_append(rootnode, node);
 722         }
 723
 724         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 725                 GNode *node = (GNode *) slist->data;
 726
 727                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 728         }
 729
 730         xml_write_tree(rootnode, pfile->fp);
 731
 732         if (prefs_file_close(pfile) < 0)
 733                 g_warning("failed to write folder list.\n");
 734
 735         xml_free_tree(rootnode);
 736 }
 737
 738 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 739 {
 740         GHashTable *pptable = (GHashTable *)data;
 741         FolderItem *item = (FolderItem *)node->data;
 742
 743         folder_item_restore_persist_prefs(item, pptable);
 744         folder_item_scan_full(item, FALSE);
 745
 746         return FALSE;
 747 }
 748
 749 void folder_scan_tree(Folder *folder)
 750 {
 751         GHashTable *pptable;
 752         FolderUpdateData hookdata;
 753
 754         if (!folder->klass->scan_tree)
 755                 return;
 756
 757         pptable = folder_persist_prefs_new(folder);
 758
 759         /*
 760          * should be changed and tree update should be done without
 761          * destroying the tree first
 762          */
 763         folder_tree_destroy(folder);
 764         folder->klass->scan_tree(folder);
 765
 766         hookdata.folder = folder;
 767         hookdata.update_flags = FOLDER_TREE_CHANGED;
 768         hookdata.item = NULL;
 769         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 770
 771         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 772         folder_persist_prefs_free(pptable);
 773
 774         prefs_matcher_read_config();
 775
 776         folder_write_list();
 777 }
 778
 779 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 780 {
 781         FolderItem *new_item;
 782
 783         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 784         if (new_item) {
 785                 FolderUpdateData hookdata;
 786
 787                 new_item->cache = msgcache_new();
 788
 789                 hookdata.folder = new_item->folder;
 790                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 791                 hookdata.item = new_item;
 792                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 793         }
 794
 795         return new_item;
 796 }
 797
 798 gint folder_item_rename(FolderItem *item, gchar *newname)
 799 {
 800         gint retval;
 801
 802         g_return_val_if_fail(item != NULL, -1);
 803         g_return_val_if_fail(newname != NULL, -1);
 804
 805         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 806
 807         if (retval >= 0) {
 808                 FolderItemUpdateData hookdata;
 809
 810                 hookdata.item = item;
 811                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 812                 hookdata.msg = NULL;
 813                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 814         }
 815
 816         return retval;
 817 }
 818
 819 struct TotalMsgCount
 820 {
 821         guint new_msgs;
 822         guint unread_msgs;
 823         guint unreadmarked_msgs;
 824         guint total_msgs;
 825 };
 826
 827 struct FuncToAllFoldersData
 828 {
 829         FolderItemFunc  function;
 830         gpointer        data;
 831 };
 832
 833 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 834 {
 835         FolderItem *item;
 836         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 837
 838         g_return_val_if_fail(node->data != NULL, FALSE);
 839
 840         item = FOLDER_ITEM(node->data);
 841         g_return_val_if_fail(item != NULL, FALSE);
 842
 843         function_data->function(item, function_data->data);
 844
 845         return FALSE;
 846 }
 847
 848 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 849 {
 850         GList *list;
 851         Folder *folder;
 852         struct FuncToAllFoldersData function_data;
 853
 854         function_data.function = function;
 855         function_data.data = data;
 856
 857         for (list = folder_list; list != NULL; list = list->next) {
 858                 folder = FOLDER(list->data);
 859                 if (folder->node)
 860                         g_node_traverse(folder->node, G_PRE_ORDER,
 861                                         G_TRAVERSE_ALL, -1,
 862                                         folder_func_to_all_folders_func,
 863                                         &function_data);
 864         }
 865 }
 866
 867 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 868 {
 869         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 870
 871         count->new_msgs += item->new_msgs;
 872         count->unread_msgs += item->unread_msgs;
 873         count->unreadmarked_msgs += item->unreadmarked_msgs;
 874         count->total_msgs += item->total_msgs;
 875 }
 876
 877 struct TotalMsgStatus
 878 {
 879         guint new;
 880         guint unread;
 881         guint total;
 882         GString *str;
 883 };
 884
 885 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 886 {
 887         FolderItem *item;
 888         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 889         gchar *id;
 890
 891         g_return_val_if_fail(node->data != NULL, FALSE);
 892
 893         item = FOLDER_ITEM(node->data);
 894
 895         if (!item->path) return FALSE;
 896
 897         status->new += item->new_msgs;
 898         status->unread += item->unread_msgs;
 899         status->total += item->total_msgs;
 900
 901         if (status->str) {
 902                 id = folder_item_get_identifier(item);
 903                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
 904                                   item->new_msgs, item->unread_msgs,
 905                                   item->total_msgs, id);
 906                 g_free(id);
 907         }
 908
 909         return FALSE;
 910  }
 911
 912 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
 913                                        guint *total)
 914 {
 915         GList *list;
 916         Folder *folder;
 917         struct TotalMsgStatus status;
 918
 919         status.new = status.unread = status.total = 0;
 920         status.str = str;
 921
 922         debug_print("Counting total number of messages...\n");
 923
 924         for (list = folder_list; list != NULL; list = list->next) {
 925                 folder = FOLDER(list->data);
 926                 if (folder->node)
 927                         g_node_traverse(folder->node, G_PRE_ORDER,
 928                                         G_TRAVERSE_ALL, -1,
 929                                         folder_get_status_full_all_func,
 930                                         &status);
 931         }
 932
 933         *new = status.new;
 934         *unread = status.unread;
 935         *total = status.total;
 936 }
 937
 938 gchar *folder_get_status(GPtrArray *folders, gboolean full)
 939 {
 940         guint new, unread, total;
 941         GString *str;
 942         gint i;
 943         gchar *ret;
 944
 945         new = unread = total = 0;
 946
 947         str = g_string_new(NULL);
 948
 949         if (folders) {
 950                 for (i = 0; i < folders->len; i++) {
 951                         FolderItem *item;
 952
 953                         item = g_ptr_array_index(folders, i);
 954                         new += item->new_msgs;
 955                         unread += item->unread_msgs;
 956                         total += item->total_msgs;
 957
 958                         if (full) {
 959                                 gchar *id;
 960
 961                                 id = folder_item_get_identifier(item);
 962                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
 963                                                   item->new_msgs, item->unread_msgs,
 964                                                   item->total_msgs, id);
 965                                 g_free(id);
 966                         }
 967                 }
 968         } else {
 969                 folder_get_status_full_all(full ? str : NULL,
 970                                            &new, &unread, &total);
 971         }
 972
 973         if (full)
 974                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
 975         else
 976                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
 977
 978         ret = str->str;
 979         g_string_free(str, FALSE);
 980
 981         return ret;
 982 }
 983
 984 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs, guint *unreadmarked_msgs, guint *total_msgs)
 985 {
 986         struct TotalMsgCount count;
 987
 988         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
 989
 990         debug_print("Counting total number of messages...\n");
 991
 992         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 993
 994         *new_msgs = count.new_msgs;
 995         *unread_msgs = count.unread_msgs;
 996         *unreadmarked_msgs = count.unreadmarked_msgs;
 997         *total_msgs = count.total_msgs;
 998 }
 999
1000 Folder *folder_find_from_path(const gchar *path)
1001 {
1002         GList *list;
1003         Folder *folder;
1004
1005         for (list = folder_list; list != NULL; list = list->next) {
1006                 folder = list->data;
1007                 if ((FOLDER_TYPE(folder) == F_MH ||
1008                      FOLDER_TYPE(folder) == F_MBOX) &&
1009                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1010                         return folder;
1011         }
1012
1013         return NULL;
1014 }
1015
1016 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1017 {
1018         GList *list;
1019         Folder *folder;
1020
1021         for (list = folder_list; list != NULL; list = list->next) {
1022                 folder = list->data;
1023                 if (folder->klass == klass &&
1024                     strcmp2(name, folder->name) == 0)
1025                         return folder;
1026         }
1027
1028         return NULL;
1029 }
1030
1031 static gboolean folder_item_find_func(GNode *node, gpointer data)
1032 {
1033         FolderItem *item = node->data;
1034         gpointer *d = data;
1035         const gchar *path = d[0];
1036
1037         if (path_cmp(path, item->path) != 0)
1038                 return FALSE;
1039
1040         d[1] = item;
1041
1042         return TRUE;
1043 }
1044
1045 FolderItem *folder_find_item_from_path(const gchar *path)
1046 {
1047         Folder *folder;
1048         gpointer d[2];
1049
1050         folder = folder_get_default_folder();
1051         g_return_val_if_fail(folder != NULL, NULL);
1052
1053         d[0] = (gpointer)path;
1054         d[1] = NULL;
1055         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1056                         folder_item_find_func, d);
1057         return d[1];
1058 }
1059
1060 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1061 {
1062         GNode *node;
1063         FolderItem *child;
1064
1065         for (node = item->node->children; node != NULL; node = node->next) {
1066                 gchar *base;
1067                 child = FOLDER_ITEM(node->data);
1068                 base = g_path_get_basename(child->path);
1069                 if (strcmp2(base, name) == 0) {
1070                         g_free(base);
1071                         return child;
1072                 }
1073                 g_free(base);
1074         }
1075
1076         return NULL;
1077 }
1078
1079 FolderClass *folder_get_class_from_string(const gchar *str)
1080 {
1081         GSList *classlist;
1082
1083         classlist = folder_get_class_list();
1084         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1085                 FolderClass *class = (FolderClass *) classlist->data;
1086                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1087                         return class;
1088         }
1089
1090         return NULL;
1091 }
1092
1093 gchar *folder_get_identifier(Folder *folder)
1094 {
1095         gchar *type_str;
1096
1097         g_return_val_if_fail(folder != NULL, NULL);
1098
1099         type_str = folder->klass->idstr;
1100         return g_strconcat("#", type_str, "/", folder->name, NULL);
1101 }
1102
1103 gchar *folder_item_get_identifier(FolderItem *item)
1104 {
1105         gchar *id = NULL;
1106         gchar *folder_id = NULL;
1107
1108         g_return_val_if_fail(item != NULL, NULL);
1109         g_return_val_if_fail(item->path != NULL, NULL);
1110
1111         folder_id = folder_get_identifier(item->folder);
1112         id = g_strconcat(folder_id, "/", item->path, NULL);
1113         g_free(folder_id);
1114
1115         return id;
1116 }
1117
1118 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1119 {
1120         Folder *folder;
1121         gpointer d[2];
1122         gchar *str;
1123         gchar *p;
1124         gchar *name;
1125         gchar *path;
1126         FolderClass *class;
1127
1128         g_return_val_if_fail(identifier != NULL, NULL);
1129
1130         if (*identifier != '#')
1131                 return folder_find_item_from_path(identifier);
1132
1133         Xstrdup_a(str, identifier, return NULL);
1134
1135         p = strchr(str, '/');
1136         if (!p)
1137                 return folder_find_item_from_path(identifier);
1138         *p = '\0';
1139         p++;
1140         class = folder_get_class_from_string(&str[1]);
1141         if (class == NULL)
1142                 return folder_find_item_from_path(identifier);
1143
1144         name = p;
1145         p = strchr(p, '/');
1146         if (!p)
1147                 return folder_find_item_from_path(identifier);
1148         *p = '\0';
1149         p++;
1150
1151         folder = folder_find_from_name(name, class);
1152         if (!folder)
1153                 return folder_find_item_from_path(identifier);
1154
1155         path = p;
1156
1157         d[0] = (gpointer)path;
1158         d[1] = NULL;
1159         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1160                         folder_item_find_func, d);
1161         return d[1];
1162 }
1163
1164 /**
1165  * Get a displayable name for a FolderItem
1166  *
1167  * \param item FolderItem for that a name should be created
1168  * \return Displayable name for item, returned string has to
1169  *         be freed
1170  */
1171 gchar *folder_item_get_name(FolderItem *item)
1172 {
1173         gchar *name = NULL;
1174
1175         g_return_val_if_fail(item != NULL, g_strdup(""));
1176
1177         switch (item->stype) {
1178         case F_INBOX:
1179                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1180                                 item->name);
1181                 break;
1182         case F_OUTBOX:
1183                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1184                                 item->name);
1185                 break;
1186         case F_QUEUE:
1187                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1188                                 item->name);
1189                 break;
1190         case F_TRASH:
1191                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1192                                 item->name);
1193                 break;
1194         case F_DRAFT:
1195                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1196                                 item->name);
1197                 break;
1198         default:
1199                 break;
1200         }
1201
1202         if (name == NULL) {
1203                 /*
1204                  * should probably be done by a virtual function,
1205                  * the folder knows the ui string and how to abbrev
1206                 */
1207                 if (folder_item_parent(item) == NULL) {
1208                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1209                 } else {
1210                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1211                             item->path && !strcmp2(item->name, item->path))
1212                                 name = get_abbrev_newsgroup_name
1213                                         (item->path,
1214                                          prefs_common.ng_abbrev_len);
1215                         else
1216                                 name = g_strdup(item->name);
1217                 }
1218         }
1219
1220         if (name == NULL)
1221                 name = g_strdup("");
1222
1223         return name;
1224 }
1225
1226 Folder *folder_get_default_folder(void)
1227 {
1228         return folder_list ? FOLDER(folder_list->data) : NULL;
1229 }
1230
1231 FolderItem *folder_get_default_inbox(void)
1232 {
1233         GList *flist;
1234
1235         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1236                 Folder * folder = FOLDER(flist->data);
1237
1238                 if (folder == NULL)
1239                         continue;
1240                 if (folder->inbox == NULL)
1241                         continue;
1242
1243                 return folder->inbox;
1244         }
1245
1246         return NULL;
1247 }
1248
1249 FolderItem *folder_get_default_outbox(void)
1250 {
1251         GList *flist;
1252
1253         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1254                 Folder * folder = FOLDER(flist->data);
1255
1256                 if (folder == NULL)
1257                         continue;
1258                 if (folder->outbox == NULL)
1259                         continue;
1260
1261                 return folder->outbox;
1262         }
1263
1264         return NULL;
1265 }
1266
1267 FolderItem *folder_get_default_draft(void)
1268 {
1269         GList *flist;
1270
1271         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1272                 Folder * folder = FOLDER(flist->data);
1273
1274                 if (folder == NULL)
1275                         continue;
1276                 if (folder->draft == NULL)
1277                         continue;
1278
1279                 return folder->draft;
1280         }
1281
1282         return NULL;
1283 }
1284
1285 FolderItem *folder_get_default_queue(void)
1286 {
1287         GList *flist;
1288
1289         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1290                 Folder * folder = FOLDER(flist->data);
1291
1292                 if (folder == NULL)
1293                         continue;
1294                 if (folder->queue == NULL)
1295                         continue;
1296
1297                 return folder->queue;
1298         }
1299
1300         return NULL;
1301 }
1302
1303 FolderItem *folder_get_default_trash(void)
1304 {
1305         GList *flist;
1306
1307         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1308                 Folder * folder = FOLDER(flist->data);
1309
1310                 if (folder == NULL)
1311                         continue;
1312                 if (folder->trash == NULL)
1313                         continue;
1314
1315                 return folder->trash;
1316         }
1317
1318         return NULL;
1319 }
1320
1321 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1322 {                                                               \
1323         if (!folder->member) {                                  \
1324                 item = folder_item_new(folder, dir, dir);       \
1325                 item->stype = type;                             \
1326                 folder_item_append(rootitem, item);             \
1327                 folder->member = item;                          \
1328         }                                                       \
1329 }
1330
1331 void folder_set_missing_folders(void)
1332 {
1333         Folder *folder;
1334         FolderItem *rootitem;
1335         FolderItem *item;
1336         GList *list;
1337
1338         for (list = folder_list; list != NULL; list = list->next) {
1339                 folder = list->data;
1340                 if (FOLDER_TYPE(folder) != F_MH) continue;
1341                 rootitem = FOLDER_ITEM(folder->node->data);
1342                 g_return_if_fail(rootitem != NULL);
1343
1344                 if (folder->inbox && folder->outbox && folder->draft &&
1345                     folder->queue && folder->trash)
1346                         continue;
1347
1348                 if (folder->klass->create_tree(folder) < 0) {
1349                         g_warning("%s: can't create the folder tree.\n",
1350                                   LOCAL_FOLDER(folder)->rootpath);
1351                         continue;
1352                 }
1353
1354                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1355                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1356                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1357                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1358                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1359         }
1360 }
1361
1362 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1363 {
1364         FolderItem *item = node->data;
1365         PrefsAccount *account = data;
1366
1367         if (item->account == account)
1368                 item->account = NULL;
1369
1370         return FALSE;
1371 }
1372
1373 void folder_unref_account_all(PrefsAccount *account)
1374 {
1375         Folder *folder;
1376         GList *list;
1377
1378         if (!account) return;
1379
1380         for (list = folder_list; list != NULL; list = list->next) {
1381                 folder = list->data;
1382                 if (folder->account == account)
1383                         folder->account = NULL;
1384                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1385                                 folder_unref_account_func, account);
1386         }
1387 }
1388
1389 #undef CREATE_FOLDER_IF_NOT_EXIST
1390
1391 gchar *folder_item_get_path(FolderItem *item)
1392 {
1393         Folder *folder;
1394
1395         g_return_val_if_fail(item != NULL, NULL);
1396         folder = item->folder;
1397         g_return_val_if_fail(folder != NULL, NULL);
1398
1399         return folder->klass->item_get_path(folder, item);
1400 }
1401
1402 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1403 {
1404         if (!(dest->stype == F_OUTBOX ||
1405               dest->stype == F_QUEUE  ||
1406               dest->stype == F_DRAFT  ||
1407               dest->stype == F_TRASH)) {
1408                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1409         } else {
1410                 flags->perm_flags = 0;
1411         }
1412         if (FOLDER_TYPE(dest->folder) == F_MH) {
1413                 if (dest->stype == F_QUEUE) {
1414                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1415                 } else if (dest->stype == F_DRAFT) {
1416                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1417                 }
1418         }
1419 }
1420
1421 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1422 {
1423         MsgInfo *msginfo_a = (MsgInfo *) a;
1424         MsgInfo *msginfo_b = (MsgInfo *) b;
1425
1426         return (msginfo_a->msgnum - msginfo_b->msgnum);
1427 }
1428
1429 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1430 {
1431         guint gint_a = GPOINTER_TO_INT(a);
1432         guint gint_b = GPOINTER_TO_INT(b);
1433
1434         return (gint_a - gint_b);
1435 }
1436
1437 gint folder_item_open(FolderItem *item)
1438 {
1439         gchar *buf;
1440         g_return_val_if_fail(item->no_select == FALSE, -1);
1441
1442         if((item->folder->klass->scan_required != NULL) &&
1443            (item->folder->klass->scan_required(item->folder, item))) {
1444                 folder_item_scan_full(item, TRUE);
1445         }
1446         folder_item_syncronize_flags(item);
1447
1448         /* Processing */
1449         buf = g_strdup_printf(_("Processing (%s)...\n"),
1450                               item->path ? item->path : item->name);
1451         debug_print("%s\n", buf);
1452         g_free(buf);
1453
1454         folder_item_apply_processing(item);
1455
1456         item->opened = TRUE;
1457
1458         debug_print("done.\n");
1459
1460         return 0;
1461 }
1462
1463 gint folder_item_close(FolderItem *item)
1464 {
1465         GSList *mlist, *cur;
1466         Folder *folder;
1467
1468         g_return_val_if_fail(item != NULL, -1);
1469         g_return_val_if_fail(item->no_select == FALSE, -1);
1470
1471         if (item->new_msgs) {
1472                 folder_item_update_freeze();
1473                 mlist = folder_item_get_msg_list(item);
1474                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1475                         MsgInfo * msginfo;
1476
1477                         msginfo = (MsgInfo *) cur->data;
1478                         if (MSG_IS_NEW(msginfo->flags))
1479                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1480                         procmsg_msginfo_free(msginfo);
1481                 }
1482                 g_slist_free(mlist);
1483                 folder_item_update_thaw();
1484         }
1485
1486         folder_item_write_cache(item);
1487
1488         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1489
1490         item->opened = FALSE;
1491         folder = item->folder;
1492
1493         if (folder->klass->close == NULL)
1494                 return 0;
1495
1496         return folder->klass->close(folder, item);
1497 }
1498
1499 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1500 {
1501         MsgInfoList *msglist = NULL;
1502         Folder *folder = item->folder;
1503         g_return_val_if_fail(item->no_select == FALSE, NULL);
1504
1505         if (folder->klass->get_msginfos != NULL)
1506                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1507         else {
1508                 MsgNumberList *elem;
1509
1510                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1511                         MsgInfo *msginfo;
1512                         guint num;
1513
1514                         num = GPOINTER_TO_INT(elem->data);
1515                         msginfo = folder->klass->get_msginfo(folder, item, num);
1516                         if (msginfo != NULL)
1517                                 msglist = g_slist_prepend(msglist, msginfo);
1518                 }
1519         }
1520
1521         return msglist;
1522 }
1523
1524 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1525 {
1526         MsgNumberList numlist;
1527         MsgInfoList *msglist;
1528         MsgInfo *msginfo = NULL;
1529
1530         numlist.data = GINT_TO_POINTER(num);
1531         numlist.next = NULL;
1532         msglist = get_msginfos(item, &numlist);
1533         if (msglist != NULL)
1534                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1535         procmsg_msg_list_free(msglist);
1536
1537         return msginfo;
1538 }
1539
1540 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1541 {
1542         GRelation *relation;
1543         gint ret = 0;
1544         GSList *cur;
1545
1546         if(msglist == NULL)
1547                 return 0;
1548         if(item->folder->klass->get_flags == NULL)
1549                 return 0;
1550         g_return_val_if_fail(item->no_select == FALSE, 0);
1551
1552         relation = g_relation_new(2);
1553         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1554         if ((ret = item->folder->klass->get_flags(
1555             item->folder, item, msglist, relation)) == 0) {
1556                 GTuples *tuples;
1557                 MsgInfo *msginfo;
1558                 MsgPermFlags permflags = 0;
1559                 gboolean skip;
1560
1561                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1562                         msginfo = (MsgInfo *) cur->data;
1563
1564                         tuples = g_relation_select(relation, msginfo, 0);
1565                         skip = tuples->len < 1;
1566                         if (!skip)
1567                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1568                         g_tuples_destroy(tuples);
1569                         if (skip)
1570                                 continue;
1571
1572                         if (msginfo->flags.perm_flags != permflags) {
1573                                 procmsg_msginfo_set_flags(msginfo,
1574                                         permflags & ~msginfo->flags.perm_flags, 0);
1575                                 procmsg_msginfo_unset_flags(msginfo,
1576                                         ~permflags & msginfo->flags.perm_flags, 0);
1577                         }
1578                 }
1579         }
1580         g_relation_destroy(relation);
1581
1582         return ret;
1583 }
1584
1585 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1586 {
1587         Folder *folder;
1588         GSList *folder_list = NULL, *cache_list = NULL;
1589         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1590         GSList *exists_list = NULL, *elem;
1591         GSList *newmsg_list = NULL;
1592         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1593         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1594         gboolean update_flags = 0, old_uids_valid = FALSE;
1595
1596         g_return_val_if_fail(item != NULL, -1);
1597         if (item->path == NULL) return -1;
1598
1599         folder = item->folder;
1600
1601         g_return_val_if_fail(folder != NULL, -1);
1602         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1603
1604         debug_print("Scanning folder %s for cache changes.\n", item->path);
1605
1606         /* Get list of messages for folder and cache */
1607         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1608                 debug_print("Error fetching list of message numbers\n");
1609                 return(-1);
1610         }
1611
1612         if (old_uids_valid) {
1613                 if (!item->cache)
1614                         folder_item_read_cache(item);
1615                 cache_list = msgcache_get_msg_list(item->cache);
1616         } else {
1617                 if (item->cache)
1618                         msgcache_destroy(item->cache);
1619                 item->cache = msgcache_new();
1620                 cache_list = NULL;
1621         }
1622
1623         /* Sort both lists */
1624         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1625         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1626
1627         cache_list_cur = cache_list;
1628         folder_list_cur = folder_list;
1629
1630         if (cache_list_cur != NULL) {
1631                 GSList *cache_list_last;
1632
1633                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1634                 cache_list_last = g_slist_last(cache_list);
1635                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1636         } else {
1637                 cache_cur_num = G_MAXINT;
1638                 cache_max_num = 0;
1639         }
1640
1641         if (folder_list_cur != NULL) {
1642                 GSList *folder_list_last;
1643
1644                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1645                 folder_list_last = g_slist_last(folder_list);
1646                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1647         } else {
1648                 folder_cur_num = G_MAXINT;
1649                 folder_max_num = 0;
1650         }
1651
1652         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1653                 /*
1654                  *  Message only exists in the folder
1655                  *  Remember message for fetching
1656                  */
1657                 if (folder_cur_num < cache_cur_num) {
1658                         gboolean add = FALSE;
1659
1660                         switch(FOLDER_TYPE(folder)) {
1661                                 case F_NEWS:
1662                                         if (folder_cur_num < cache_max_num)
1663                                                 break;
1664
1665                                         if (folder->account->max_articles == 0) {
1666                                                 add = TRUE;
1667                                         }
1668
1669                                         if (folder_max_num <= folder->account->max_articles) {
1670                                                 add = TRUE;
1671                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1672                                                 add = TRUE;
1673                                         }
1674                                         break;
1675                                 default:
1676                                         add = TRUE;
1677                                         break;
1678                         }
1679
1680                         if (add) {
1681                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1682                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1683                         }
1684
1685                         /* Move to next folder number */
1686                         folder_list_cur = folder_list_cur->next;
1687
1688                         if (folder_list_cur != NULL)
1689                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1690                         else
1691                                 folder_cur_num = G_MAXINT;
1692
1693                         continue;
1694                 }
1695
1696                 /*
1697                  *  Message only exists in the cache
1698                  *  Remove the message from the cache
1699                  */
1700                 if (cache_cur_num < folder_cur_num) {
1701                         msgcache_remove_msg(item->cache, cache_cur_num);
1702                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1703
1704                         /* Move to next cache number */
1705                         cache_list_cur = cache_list_cur->next;
1706
1707                         if (cache_list_cur != NULL)
1708                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1709                         else
1710                                 cache_cur_num = G_MAXINT;
1711
1712                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1713
1714                         continue;
1715                 }
1716
1717                 /*
1718                  *  Message number exists in folder and cache!
1719                  *  Check if the message has been modified
1720                  */
1721                 if (cache_cur_num == folder_cur_num) {
1722                         MsgInfo *msginfo;
1723
1724                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1725                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1726                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1727                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1728                                 procmsg_msginfo_free(msginfo);
1729
1730                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1731                         } else
1732                                 exists_list = g_slist_prepend(exists_list, msginfo);
1733
1734                         /* Move to next folder and cache number */
1735                         cache_list_cur = cache_list_cur->next;
1736                         folder_list_cur = folder_list_cur->next;
1737
1738                         if (cache_list_cur != NULL)
1739                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1740                         else
1741                                 cache_cur_num = G_MAXINT;
1742
1743                         if (folder_list_cur != NULL)
1744                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1745                         else
1746                                 folder_cur_num = G_MAXINT;
1747
1748                         continue;
1749                 }
1750         }
1751
1752         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1753                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1754
1755         g_slist_free(cache_list);
1756         g_slist_free(folder_list);
1757
1758         if (new_list != NULL) {
1759                 newmsg_list = get_msginfos(item, new_list);
1760                 g_slist_free(new_list);
1761         }
1762
1763         syncronize_flags(item, exists_list);
1764
1765         folder_item_update_freeze();
1766         if (newmsg_list != NULL) {
1767                 GSList *elem;
1768
1769                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1770                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1771
1772                         msgcache_add_msg(item->cache, msginfo);
1773                         if ((filtering == TRUE) &&
1774                             (item->stype == F_INBOX) &&
1775                             (item->folder->account != NULL) &&
1776                             (item->folder->account->filter_on_recv) &&
1777                             procmsg_msginfo_filter(msginfo))
1778                                 procmsg_msginfo_free(msginfo);
1779                         else
1780                                 exists_list = g_slist_prepend(exists_list, msginfo);
1781                 }
1782                 g_slist_free(newmsg_list);
1783
1784                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1785         }
1786
1787         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1788                 MsgInfo *msginfo;
1789
1790                 msginfo = elem->data;
1791                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1792                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1793                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1794                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1795                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1796                 }
1797                 if ((item->stype == F_OUTBOX ||
1798                      item->stype == F_QUEUE  ||
1799                      item->stype == F_DRAFT  ||
1800                      item->stype == F_TRASH) &&
1801                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1802                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1803                 if (MSG_IS_NEW(msginfo->flags))
1804                         newcnt++;
1805                 if (MSG_IS_UNREAD(msginfo->flags))
1806                         unreadcnt++;
1807                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1808                         unreadmarkedcnt++;
1809                 totalcnt++;
1810
1811                 procmsg_msginfo_free(msginfo);
1812         }
1813         g_slist_free(exists_list);
1814
1815         item->new_msgs = newcnt;
1816         item->unread_msgs = unreadcnt;
1817         item->total_msgs = totalcnt;
1818         item->unreadmarked_msgs = unreadmarkedcnt;
1819
1820         update_flags |= F_ITEM_UPDATE_MSGCNT;
1821
1822         folder_item_update(item, update_flags);
1823         folder_item_update_thaw();
1824
1825         return 0;
1826 }
1827
1828 gint folder_item_scan(FolderItem *item)
1829 {
1830         return folder_item_scan_full(item, TRUE);
1831 }
1832
1833 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1834 {
1835         FolderItem *item = node->data;
1836
1837         folder_item_scan(item);
1838
1839         return FALSE;
1840 }
1841
1842 void folder_scan_all_items(Folder * folder)
1843 {
1844         g_node_traverse(folder->node, G_PRE_ORDER,
1845                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1846 }
1847
1848 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1849                                           gpointer data)
1850 {
1851         folder_item_scan(FOLDER_ITEM(key));
1852 }
1853
1854 void folder_item_scan_foreach(GHashTable *table)
1855 {
1856         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1857 }
1858
1859 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1860 {
1861         gint *memusage = (gint *)data;
1862
1863         if (item->cache == NULL)
1864                 return;
1865
1866         *memusage += msgcache_get_memory_usage(item->cache);
1867 }
1868
1869 gint folder_item_syncronize_flags(FolderItem *item)
1870 {
1871         MsgInfoList *msglist = NULL;
1872         GSList *cur;
1873         gint ret = 0;
1874
1875         g_return_val_if_fail(item != NULL, -1);
1876         g_return_val_if_fail(item->folder != NULL, -1);
1877         g_return_val_if_fail(item->folder->klass != NULL, -1);
1878         g_return_val_if_fail(item->no_select == FALSE, -1);
1879
1880         if (item->cache == NULL)
1881                 folder_item_read_cache(item);
1882
1883         msglist = msgcache_get_msg_list(item->cache);
1884
1885         ret = syncronize_flags(item, msglist);
1886
1887         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1888                 procmsg_msginfo_free((MsgInfo *) cur->data);
1889
1890         return ret;
1891 }
1892
1893 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1894 {
1895         FolderItem *fa = (FolderItem *)a;
1896         FolderItem *fb = (FolderItem *)b;
1897
1898         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1899 }
1900
1901 void folder_find_expired_caches(FolderItem *item, gpointer data)
1902 {
1903         GSList **folder_item_list = (GSList **)data;
1904         gint difftime, expiretime;
1905
1906         if (item->cache == NULL)
1907                 return;
1908
1909         if (item->opened > 0)
1910                 return;
1911
1912         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1913         expiretime = prefs_common.cache_min_keep_time * 60;
1914         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1915         if (difftime > expiretime) {
1916                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1917         }
1918 }
1919
1920 void folder_item_free_cache(FolderItem *item)
1921 {
1922         g_return_if_fail(item != NULL);
1923
1924         if (item->cache == NULL)
1925                 return;
1926
1927         if (item->opened > 0)
1928                 return;
1929
1930         folder_item_write_cache(item);
1931         msgcache_destroy(item->cache);
1932         item->cache = NULL;
1933 }
1934
1935 void folder_clean_cache_memory(void)
1936 {
1937         gint memusage = 0;
1938
1939         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1940         debug_print("Total cache memory usage: %d\n", memusage);
1941
1942         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1943                 GSList *folder_item_list = NULL, *listitem;
1944
1945                 debug_print("Trying to free cache memory\n");
1946
1947                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1948                 listitem = folder_item_list;
1949                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1950                         FolderItem *item = (FolderItem *)(listitem->data);
1951
1952                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
1953                         memusage -= msgcache_get_memory_usage(item->cache);
1954                         folder_item_free_cache(item);
1955                         listitem = listitem->next;
1956                 }
1957                 g_slist_free(folder_item_list);
1958         }
1959 }
1960
1961 void folder_item_read_cache(FolderItem *item)
1962 {
1963         gchar *cache_file, *mark_file;
1964
1965         g_return_if_fail(item != NULL);
1966
1967         if (item->path != NULL) {
1968                 cache_file = folder_item_get_cache_file(item);
1969                 mark_file = folder_item_get_mark_file(item);
1970                 item->cache = msgcache_read_cache(item, cache_file);
1971                 if (!item->cache) {
1972                         MsgInfoList *list, *cur;
1973                         guint newcnt = 0, unreadcnt = 0, unreadmarkedcnt = 0;
1974                         MsgInfo *msginfo;
1975
1976                         item->cache = msgcache_new();
1977                         folder_item_scan_full(item, TRUE);
1978
1979                         msgcache_read_mark(item->cache, mark_file);
1980
1981                         list = msgcache_get_msg_list(item->cache);
1982                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
1983                                 msginfo = cur->data;
1984
1985                                 if (MSG_IS_NEW(msginfo->flags))
1986                                         newcnt++;
1987                                 if (MSG_IS_UNREAD(msginfo->flags))
1988                                         unreadcnt++;
1989                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1990                                         unreadmarkedcnt++;
1991                         }
1992                         item->new_msgs = newcnt;
1993                         item->unread_msgs = unreadcnt;
1994                         item->unreadmarked_msgs = unreadmarkedcnt;
1995                         procmsg_msg_list_free(list);
1996                 } else
1997                         msgcache_read_mark(item->cache, mark_file);
1998
1999                 g_free(cache_file);
2000                 g_free(mark_file);
2001         } else {
2002                 item->cache = msgcache_new();
2003         }
2004
2005         folder_clean_cache_memory();
2006 }
2007
2008 void folder_item_write_cache(FolderItem *item)
2009 {
2010         gchar *cache_file, *mark_file;
2011         FolderItemPrefs *prefs;
2012         gint filemode = 0;
2013         gchar *id;
2014
2015         if (!item || !item->path || !item->cache)
2016                 return;
2017
2018         id = folder_item_get_identifier(item);
2019         debug_print("Save cache for folder %s\n", id);
2020         g_free(id);
2021
2022         cache_file = folder_item_get_cache_file(item);
2023         mark_file = folder_item_get_mark_file(item);
2024         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2025                 prefs = item->prefs;
2026                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2027                         /* for cache file */
2028                         filemode = prefs->folder_chmod;
2029                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2030                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2031                         chmod(cache_file, filemode);
2032                 }
2033         }
2034
2035         g_free(cache_file);
2036         g_free(mark_file);
2037 }
2038
2039 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2040 {
2041         Folder *folder;
2042         MsgInfo *msginfo = NULL;
2043
2044         g_return_val_if_fail(item != NULL, NULL);
2045         g_return_val_if_fail(item->no_select == FALSE, NULL);
2046         folder = item->folder;
2047         if (!item->cache)
2048                 folder_item_read_cache(item);
2049
2050         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2051                 return msginfo;
2052
2053         msginfo = get_msginfo(item, num);
2054         if (msginfo != NULL) {
2055                 msgcache_add_msg(item->cache, msginfo);
2056                 return msginfo;
2057         }
2058
2059         return NULL;
2060 }
2061
2062 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2063 {
2064         Folder *folder;
2065         MsgInfo *msginfo;
2066
2067         g_return_val_if_fail(item != NULL, NULL);
2068         g_return_val_if_fail(msgid != NULL, NULL);
2069         g_return_val_if_fail(item->no_select == FALSE, FALSE);
2070
2071         folder = item->folder;
2072         if (!item->cache)
2073                 folder_item_read_cache(item);
2074
2075         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2076                 return msginfo;
2077
2078         return NULL;
2079 }
2080
2081 GSList *folder_item_get_msg_list(FolderItem *item)
2082 {
2083         g_return_val_if_fail(item != NULL, NULL);
2084         g_return_val_if_fail(item->no_select == FALSE, FALSE);
2085
2086         if (item->cache == 0)
2087                 folder_item_read_cache(item);
2088
2089         g_return_val_if_fail(item->cache != NULL, NULL);
2090
2091         return msgcache_get_msg_list(item->cache);
2092 }
2093
2094 void msginfo_set_mime_flags(GNode *node, gpointer data)
2095 {
2096         MsgInfo *msginfo = data;
2097         MimeInfo *mimeinfo = node->data;
2098
2099         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT) {
2100                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2101         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2102                  mimeinfo->type != MIMETYPE_TEXT &&
2103                  mimeinfo->type != MIMETYPE_MULTIPART) {
2104                 if (!mimeinfo->subtype
2105                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2106                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2107         }
2108
2109         /* don't descend below top level message for signed and encrypted info */
2110         if (mimeinfo->type == MIMETYPE_MESSAGE)
2111                 return;
2112
2113         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2114                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2115         }
2116
2117         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2118                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2119         } else {
2120                 /* searching inside encrypted parts doesn't really make sense */
2121                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2122         }
2123 }
2124
2125 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2126 {
2127         Folder *folder;
2128         gchar *msgfile;
2129         MsgInfo *msginfo;
2130
2131         g_return_val_if_fail(item != NULL, NULL);
2132
2133         folder = item->folder;
2134
2135         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2136         g_return_val_if_fail(item->no_select == FALSE, NULL);
2137
2138         msgfile = folder->klass->fetch_msg(folder, item, num);
2139
2140         if (msgfile != NULL) {
2141                 msginfo = folder_item_get_msginfo(item, num);
2142                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2143                         MimeInfo *mimeinfo;
2144
2145                         if (msginfo->folder->stype != F_QUEUE &&
2146                             msginfo->folder->stype != F_DRAFT)
2147                                 mimeinfo = procmime_scan_file(msgfile);
2148                         else
2149                                 mimeinfo = procmime_scan_queue_file(msgfile);
2150                         /* check for attachments */
2151                         if (mimeinfo != NULL) {
2152                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2153                                 procmime_mimeinfo_free_all(mimeinfo);
2154
2155                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2156                         }
2157                 }
2158         }
2159
2160         return msgfile;
2161 }
2162
2163 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2164                                   gboolean body)
2165 {
2166         Folder *folder;
2167         gchar *msgfile;
2168         MsgInfo *msginfo;
2169
2170         g_return_val_if_fail(item != NULL, NULL);
2171         g_return_val_if_fail(item->no_select == FALSE, NULL);
2172
2173         folder = item->folder;
2174
2175         if (folder->klass->fetch_msg_full == NULL)
2176                 return folder_item_fetch_msg(item, num);
2177
2178         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2179                                                 headers, body);
2180
2181         if (msgfile != NULL) {
2182                 msginfo = folder_item_get_msginfo(item, num);
2183                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2184                         MimeInfo *mimeinfo;
2185
2186                         if (msginfo->folder->stype != F_QUEUE &&
2187                             msginfo->folder->stype != F_DRAFT)
2188                                 mimeinfo = procmime_scan_file(msgfile);
2189                         else
2190                                 mimeinfo = procmime_scan_queue_file(msgfile);
2191                         /* check for attachments */
2192                         if (mimeinfo != NULL) {
2193                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2194                                 procmime_mimeinfo_free_all(mimeinfo);
2195
2196                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2197                         }
2198                 }
2199         }
2200
2201         return msgfile;
2202 }
2203
2204
2205 gint folder_item_fetch_all_msg(FolderItem *item)
2206 {
2207         Folder *folder;
2208         GSList *mlist;
2209         GSList *cur;
2210         gint num = 0;
2211         gint ret = 0;
2212         gint total = 0;
2213
2214         g_return_val_if_fail(item != NULL, -1);
2215         g_return_val_if_fail(item->no_select == FALSE, -1);
2216
2217         debug_print("fetching all messages in %s ...\n", item->path);
2218         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path);
2219
2220         folder = item->folder;
2221
2222         if (folder->ui_func)
2223                 folder->ui_func(folder, item, folder->ui_func_data ?
2224                                 folder->ui_func_data : GINT_TO_POINTER(num));
2225
2226         mlist = folder_item_get_msg_list(item);
2227
2228         total = g_slist_length(mlist);
2229
2230         for (cur = mlist; cur != NULL; cur = cur->next) {
2231                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2232                 gchar *msg;
2233
2234                 num++;
2235                 if (num % 10 == 0) {
2236                         gchar buf[32];
2237                         g_snprintf(buf, sizeof(buf), "%d / %d",
2238                                    num, total);
2239                         gtk_progress_bar_set_text
2240                                 (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar), buf);
2241                         gtk_progress_bar_set_fraction
2242                         (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar),
2243                          (gfloat)num / (gfloat)total);
2244                 }
2245
2246                 if (folder->ui_func)
2247                         folder->ui_func(folder, item,
2248                                         folder->ui_func_data ?
2249                                         folder->ui_func_data :
2250                                         GINT_TO_POINTER(num));
2251
2252                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2253                 if (!msg) {
2254                         g_warning("Can't fetch message %d. Aborting.\n",
2255                                   msginfo->msgnum);
2256                         ret = -1;
2257                         break;
2258                 }
2259                 g_free(msg);
2260         }
2261
2262         gtk_progress_bar_set_fraction
2263                 (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar), 0);
2264         gtk_progress_bar_set_text
2265                 (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar), "");
2266         statusbar_pop_all();
2267         procmsg_msg_list_free(mlist);
2268
2269         return ret;
2270 }
2271
2272 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2273 {
2274         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2275                                        {NULL,           NULL, FALSE}};
2276         FILE *fp;
2277         MsgInfo *msginfo;
2278         gint msgnum = 0;
2279         gchar buf[BUFFSIZE];
2280
2281         if ((fp = fopen(file, "rb")) == NULL)
2282                 return 0;
2283
2284         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
2285                 while (fgets(buf, sizeof(buf), fp) != NULL)
2286                         if (buf[0] == '\r' || buf[0] == '\n') break;
2287
2288         procheader_get_header_fields(fp, hentry);
2289         if (hentry[0].body) {
2290                 extract_parenthesis(hentry[0].body, '<', '>');
2291                 remove_space(hentry[0].body);
2292                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2293                         msgnum = msginfo->msgnum;
2294                         procmsg_msginfo_free(msginfo);
2295
2296                         debug_print("found message as uid %d\n", msgnum);
2297                 }
2298         }
2299
2300         g_free(hentry[0].body);
2301         hentry[0].body = NULL;
2302         fclose(fp);
2303
2304         return msgnum;
2305 }
2306
2307 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2308 {
2309         MsgPermFlags perm_flags = 0;
2310         MsgTmpFlags tmp_flags = 0;
2311
2312         /* create new flags */
2313         if (source != NULL) {
2314                 /* copy original flags */
2315                 perm_flags = source->flags.perm_flags;
2316                 tmp_flags = source->flags.tmp_flags;
2317         } else {
2318                 perm_flags = dest->flags.perm_flags;
2319                 tmp_flags = dest->flags.tmp_flags;
2320         }
2321
2322         /* remove new, unread and deleted in special folders */
2323         if (dest->folder->stype == F_OUTBOX ||
2324             dest->folder->stype == F_QUEUE  ||
2325             dest->folder->stype == F_DRAFT  ||
2326             dest->folder->stype == F_TRASH)
2327                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2328
2329         /* set ignore flag of ignored parent exists */
2330         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2331                 perm_flags |= MSG_IGNORE_THREAD;
2332
2333         /* Unset tmp flags that should not be copied */
2334         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
2335
2336         /* unset flags that are set but should not */
2337         procmsg_msginfo_unset_flags(dest,
2338                                     dest->flags.perm_flags & ~perm_flags,
2339                                     dest->flags.tmp_flags  & ~tmp_flags);
2340         /* set new flags */
2341         procmsg_msginfo_set_flags(dest,
2342                                   ~dest->flags.perm_flags & perm_flags,
2343                                   ~dest->flags.tmp_flags  & tmp_flags);
2344 }
2345
2346 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2347 {
2348         /* update folder stats */
2349         if (MSG_IS_NEW(newmsginfo->flags))
2350                 item->new_msgs++;
2351         if (MSG_IS_UNREAD(newmsginfo->flags))
2352                 item->unread_msgs++;
2353         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2354                 item->unreadmarked_msgs++;
2355         item->total_msgs++;
2356
2357         folder_item_update_freeze();
2358         msgcache_add_msg(item->cache, newmsginfo);
2359         copy_msginfo_flags(flagsource, newmsginfo);
2360         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2361         folder_item_update_thaw();
2362 }
2363
2364 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2365 {
2366         MsgInfoUpdate msginfo_update;
2367
2368         if (!item->cache)
2369                 folder_item_read_cache(item);
2370
2371         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2372                 msginfo->folder->new_msgs--;
2373         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2374                 msginfo->folder->unread_msgs--;
2375         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2376                 msginfo->folder->unreadmarked_msgs--;
2377         msginfo->folder->total_msgs--;
2378
2379         msginfo_update.msginfo = msginfo;
2380         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2381         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2382
2383         msgcache_remove_msg(item->cache, msginfo->msgnum);
2384         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2385 }
2386
2387 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2388                          MsgFlags *flags, gboolean remove_source)
2389 {
2390         GSList file_list;
2391         MsgFileInfo fileinfo;
2392
2393         g_return_val_if_fail(dest != NULL, -1);
2394         g_return_val_if_fail(file != NULL, -1);
2395
2396         fileinfo.msginfo = NULL;
2397         fileinfo.file = (gchar *)file;
2398         fileinfo.flags = flags;
2399         file_list.data = &fileinfo;
2400         file_list.next = NULL;
2401
2402         return folder_item_add_msgs(dest, &file_list, remove_source);
2403 }
2404
2405 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2406                           gboolean remove_source)
2407 {
2408         Folder *folder;
2409         gint ret, num, lastnum = -1;
2410         GSList *file_cur;
2411         GRelation *relation;
2412         MsgFileInfo *fileinfo = NULL;
2413         gboolean folderscan = FALSE;
2414
2415         g_return_val_if_fail(dest != NULL, -1);
2416         g_return_val_if_fail(file_list != NULL, -1);
2417         g_return_val_if_fail(dest->folder != NULL, -1);
2418         g_return_val_if_fail(dest->no_select == FALSE, -1);
2419
2420         folder = dest->folder;
2421
2422         relation = g_relation_new(2);
2423         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2424
2425         if (folder->klass->add_msgs != NULL) {
2426                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2427                 if (ret < 0) {
2428                         g_relation_destroy(relation);
2429                         return ret;
2430                 }
2431         } else {
2432                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2433                         fileinfo = (MsgFileInfo *) file_cur->data;
2434
2435                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2436                         if (ret < 0) {
2437                                 g_relation_destroy(relation);
2438                                 return ret;
2439                         }
2440                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2441                 }
2442         }
2443
2444         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2445                 GTuples *tuples;
2446
2447                 fileinfo = (MsgFileInfo *) file_cur->data;
2448                 tuples = g_relation_select(relation, fileinfo, 0);
2449                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2450                 g_tuples_destroy(tuples);
2451
2452                 if (num >= 0) {
2453                         MsgInfo *newmsginfo;
2454
2455                         if (num == 0) {
2456                                 if (!folderscan) {
2457                                         folder_item_scan_full(dest, FALSE);
2458                                         folderscan = TRUE;
2459                                 }
2460                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2461                         }
2462
2463                         if (num > lastnum)
2464                                 lastnum = num;
2465
2466                         if (num >= 0 && remove_source) {
2467                                 if (unlink(fileinfo->file) < 0)
2468                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2469                         }
2470
2471                         if (num == 0)
2472                                 continue;
2473
2474                         if (!folderscan &&
2475                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2476                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2477                                 procmsg_msginfo_free(newmsginfo);
2478                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2479                                 /* TODO: set default flags */
2480                                 procmsg_msginfo_free(newmsginfo);
2481                         }
2482                 }
2483         }
2484
2485         g_relation_destroy(relation);
2486
2487         return lastnum;
2488 }
2489
2490 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2491 {
2492         GSList *mlist;
2493         FolderItem *new_item;
2494         FolderItem *next_item;
2495         GNode *srcnode;
2496         gchar *old_id, *new_id;
2497
2498         mlist = folder_item_get_msg_list(src);
2499
2500         /* move messages */
2501         debug_print("Moving %s to %s\n", src->path, dest->path);
2502         new_item = folder_create_folder(dest, src->name);
2503         if (new_item == NULL) {
2504                 printf("Can't create folder\n");
2505                 return NULL;
2506         }
2507
2508         if (new_item->folder == NULL)
2509                 new_item->folder = dest->folder;
2510
2511         /* move messages */
2512         log_message(_("Moving %s to %s...\n"),
2513                         src->name, new_item->path);
2514         if (mlist != NULL)
2515                 folder_item_move_msgs(new_item, mlist);
2516
2517         /*copy prefs*/
2518         folder_item_prefs_copy_prefs(src, new_item);
2519         new_item->collapsed = src->collapsed;
2520         new_item->thread_collapsed = src->thread_collapsed;
2521         new_item->threaded  = src->threaded;
2522         new_item->ret_rcpt  = src->ret_rcpt;
2523         new_item->hide_read_msgs = src->hide_read_msgs;
2524         new_item->sort_key  = src->sort_key;
2525         new_item->sort_type = src->sort_type;
2526
2527         prefs_matcher_write_config();
2528
2529         /* recurse */
2530         srcnode = src->folder->node;
2531         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2532         srcnode = srcnode->children;
2533         while (srcnode != NULL) {
2534                 if (srcnode && srcnode->data) {
2535                         next_item = (FolderItem*) srcnode->data;
2536                         srcnode = srcnode->next;
2537                         if (folder_item_move_recursive(next_item, new_item) == NULL)
2538                                 return NULL;
2539                 }
2540         }
2541         old_id = folder_item_get_identifier(src);
2542         new_id = folder_item_get_identifier(new_item);
2543         debug_print("updating rules : %s => %s\n", old_id, new_id);
2544
2545         /* if src supports removing, otherwise only copy folder */
2546         if (src->folder->klass->remove_folder != NULL)
2547                 src->folder->klass->remove_folder(src->folder, src);
2548         folder_write_list();
2549
2550         if (old_id != NULL && new_id != NULL)
2551                 prefs_filtering_rename_path(old_id, new_id);
2552         g_free(old_id);
2553         g_free(new_id);
2554
2555         return new_item;
2556 }
2557
2558 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2559 {
2560         FolderItem *tmp = folder_item_parent(dest);
2561         gchar * src_identifier, * dst_identifier;
2562         gchar * phys_srcpath, * phys_dstpath;
2563
2564         while (tmp) {
2565                 if (tmp == src) {
2566                         return F_MOVE_FAILED_DEST_IS_CHILD;
2567                 }
2568                 tmp = folder_item_parent(tmp);
2569         }
2570
2571         tmp = folder_item_parent(src);
2572
2573         src_identifier = folder_item_get_identifier(src);
2574         dst_identifier = folder_item_get_identifier(dest);
2575
2576         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2577                 /* dest can be a root folder */
2578                 dst_identifier = folder_get_identifier(dest->folder);
2579         }
2580         if (src_identifier == NULL || dst_identifier == NULL) {
2581                 debug_print("Can't get identifiers\n");
2582                 return F_MOVE_FAILED;
2583         }
2584
2585         if (src->folder != dest->folder) {
2586                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2587         }
2588
2589         phys_srcpath = folder_item_get_path(src);
2590         phys_dstpath = g_strconcat(folder_item_get_path(dest),
2591                        G_DIR_SEPARATOR_S,
2592                        g_path_get_basename(phys_srcpath),
2593                        NULL);
2594
2595         if (folder_item_parent(src) == dest || src == dest) {
2596                 g_free(src_identifier);
2597                 g_free(dst_identifier);
2598                 g_free(phys_srcpath);
2599                 g_free(phys_dstpath);
2600                 return F_MOVE_FAILED_DEST_IS_PARENT;
2601         }
2602         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2603         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2604                 return F_MOVE_FAILED;
2605         }
2606
2607         g_free(src_identifier);
2608         g_free(dst_identifier);
2609         g_free(phys_srcpath);
2610         g_free(phys_dstpath);
2611
2612         *new_item = tmp;
2613
2614         return F_MOVE_OK;
2615 }
2616
2617 /**
2618  * Copy a list of message to a new folder and remove
2619  * source messages if wanted
2620  */
2621 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2622 {
2623         Folder *folder;
2624         GSList *l;
2625         gint num, lastnum = -1;
2626         gboolean folderscan = FALSE;
2627         GRelation *relation;
2628         GSList *not_moved = NULL;
2629
2630         g_return_val_if_fail(dest != NULL, -1);
2631         g_return_val_if_fail(msglist != NULL, -1);
2632
2633         folder = dest->folder;
2634
2635         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2636         g_return_val_if_fail(dest->no_select == FALSE, -1);
2637
2638         relation = g_relation_new(2);
2639         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2640         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2641
2642         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2643                 MsgInfo * msginfo = (MsgInfo *) l->data;
2644
2645                 if (msginfo->planned_download != 0) {
2646                         int old_planned = msginfo->planned_download;
2647                         partial_unmark(msginfo);
2648                         /* little hack to reenable after */
2649                         msginfo->planned_download = old_planned;
2650                 }
2651         }
2652
2653         /*
2654          * Copy messages to destination folder and
2655          * store new message numbers in newmsgnums
2656          */
2657         if (folder->klass->copy_msgs != NULL) {
2658                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2659                         g_relation_destroy(relation);
2660                         return -1;
2661                 }
2662         } else {
2663                 for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2664                         MsgInfo * msginfo = (MsgInfo *) l->data;
2665
2666                         num = folder->klass->copy_msg(folder, dest, msginfo);
2667                         if (num > 0)
2668                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
2669                         else
2670                                 not_moved = g_slist_prepend(not_moved, msginfo);
2671                 }
2672         }
2673
2674         /* Read cache for dest folder */
2675         if (!dest->cache) folder_item_read_cache(dest);
2676
2677         /*
2678          * Fetch new MsgInfos for new messages in dest folder,
2679          * add them to the msgcache and update folder message counts
2680          */
2681         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
2682                 folder_item_scan_full(dest, FALSE);
2683                 folderscan = TRUE;
2684         }
2685
2686         for (l = msglist; l != NULL; l = g_slist_next(l)) {
2687                 MsgInfo *msginfo = (MsgInfo *) l->data;
2688                 GTuples *tuples;
2689
2690                 tuples = g_relation_select(relation, msginfo, 0);
2691                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2692                 g_tuples_destroy(tuples);
2693
2694                 if (num >= 0) {
2695                         MsgInfo *newmsginfo = NULL;
2696
2697                         if (folderscan) {
2698                                 if (msginfo->msgid != NULL) {
2699                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
2700                                         if (newmsginfo != NULL) {
2701                                                 copy_msginfo_flags(msginfo, newmsginfo);
2702                                                 num = newmsginfo->msgnum;
2703                                         }
2704                                 }
2705                         } else {
2706                                 newmsginfo = get_msginfo(dest, num);
2707                                 if (newmsginfo != NULL) {
2708                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
2709                                 }
2710                         }
2711
2712                         if (msginfo->planned_download
2713                             == POP3_PARTIAL_DLOAD_DELE) {
2714                                 partial_mark_for_delete(newmsginfo);
2715                         }
2716                         if (msginfo->planned_download
2717                             == POP3_PARTIAL_DLOAD_DLOAD) {
2718                                 partial_mark_for_download(newmsginfo);
2719                         }
2720                         procmsg_msginfo_free(newmsginfo);
2721
2722
2723                         if (num > lastnum)
2724                                 lastnum = num;
2725                 }
2726         }
2727
2728         if (remove_source) {
2729                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
2730                 FolderItem *item = msginfo->folder;
2731                 /*
2732                  * Remove source messages from their folders if
2733                  * copying was successfull and update folder
2734                  * message counts
2735                  */
2736                 if (item->folder->klass->remove_msgs) {
2737                         item->folder->klass->remove_msgs(item->folder,
2738                                                                 msginfo->folder,
2739                                                                 msglist,
2740                                                                 relation);
2741                 }
2742                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
2743                         msginfo = (MsgInfo *) l->data;
2744                         item = msginfo->folder;
2745                         GTuples *tuples;
2746
2747                         tuples = g_relation_select(relation, msginfo, 0);
2748                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2749                         g_tuples_destroy(tuples);
2750
2751                         if (g_slist_find(not_moved, msginfo))
2752                                 continue;
2753
2754                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
2755                                 if (!item->folder->klass->remove_msgs)
2756                                         item->folder->klass->remove_msg(item->folder,
2757                                                                 msginfo->folder,
2758                                                                 msginfo->msgnum);
2759                                 remove_msginfo_from_cache(item, msginfo);
2760                         }
2761                 }
2762         }
2763
2764         g_relation_destroy(relation);
2765         return lastnum;
2766 }
2767
2768 /**
2769  * Move a message to a new folder.
2770  *
2771  * \param dest Destination folder
2772  * \param msginfo The message
2773  */
2774 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2775 {
2776         GSList list;
2777
2778         g_return_val_if_fail(dest != NULL, -1);
2779         g_return_val_if_fail(msginfo != NULL, -1);
2780
2781         list.data = msginfo;
2782         list.next = NULL;
2783
2784         return do_copy_msgs(dest, &list, TRUE);
2785 }
2786
2787 /**
2788  * Move a list of messages to a new folder.
2789  *
2790  * \param dest Destination folder
2791  * \param msglist List of messages
2792  */
2793 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
2794 {
2795         gint result = -1;
2796         g_return_val_if_fail(dest != NULL, -1);
2797         g_return_val_if_fail(msglist != NULL, -1);
2798         inc_lock();
2799         result = do_copy_msgs(dest, msglist, TRUE);
2800         inc_unlock();
2801         return result;
2802 }
2803
2804 /**
2805  * Copy a message to a new folder.
2806  *
2807  * \param dest Destination folder
2808  * \param msginfo The message
2809  */
2810 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2811 {
2812         GSList list;
2813
2814         g_return_val_if_fail(dest != NULL, -1);
2815         g_return_val_if_fail(msginfo != NULL, -1);
2816
2817         list.data = msginfo;
2818         list.next = NULL;
2819
2820         return do_copy_msgs(dest, &list, FALSE);
2821 }
2822
2823 /**
2824  * Copy a list of messages to a new folder.
2825  *
2826  * \param dest Destination folder
2827  * \param msglist List of messages
2828  */
2829 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
2830 {
2831         gint result;
2832         g_return_val_if_fail(dest != NULL, -1);
2833         g_return_val_if_fail(msglist != NULL, -1);
2834
2835         inc_lock();
2836         result = do_copy_msgs(dest, msglist, FALSE);
2837         inc_unlock();
2838
2839         return result;
2840 }
2841
2842 gint folder_item_remove_msg(FolderItem *item, gint num)
2843 {
2844         Folder *folder;
2845         gint ret;
2846         MsgInfo *msginfo;
2847
2848         g_return_val_if_fail(item != NULL, -1);
2849         folder = item->folder;
2850         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
2851         g_return_val_if_fail(item->no_select == FALSE, -1);
2852
2853         if (!item->cache) folder_item_read_cache(item);
2854
2855         ret = folder->klass->remove_msg(folder, item, num);
2856
2857         msginfo = msgcache_get_msg(item->cache, num);
2858         if (msginfo != NULL) {
2859                 remove_msginfo_from_cache(item, msginfo);
2860                 procmsg_msginfo_free(msginfo);
2861         }
2862
2863         return ret;
2864 }
2865
2866 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2867 {
2868         Folder *folder;
2869         gint ret = 0;
2870
2871         g_return_val_if_fail(item != NULL, -1);
2872         folder = item->folder;
2873         g_return_val_if_fail(folder != NULL, -1);
2874         g_return_val_if_fail(item->no_select == FALSE, -1);
2875         inc_lock();
2876         if (!item->cache) folder_item_read_cache(item);
2877
2878         folder_item_update_freeze();
2879         if (item->folder->klass->remove_msgs) {
2880                 ret = item->folder->klass->remove_msgs(item->folder,
2881                                                         item,
2882                                                         msglist,
2883                                                         NULL);
2884         }
2885         while (ret == 0 && msglist != NULL) {
2886                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2887                 if (MSG_IS_LOCKED(msginfo->flags)) {
2888                         msglist = msglist->next;
2889                         continue;
2890                 }
2891                 if (!item->folder->klass->remove_msgs)
2892                         ret = folder_item_remove_msg(item, msginfo->msgnum);
2893                 if (ret != 0) break;
2894                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2895                 msglist = msglist->next;
2896         }
2897         folder_item_scan_full(item, FALSE);
2898         folder_item_update_thaw();
2899         inc_unlock();
2900         return ret;
2901 }
2902
2903 gint folder_item_remove_all_msg(FolderItem *item)
2904 {
2905         Folder *folder;
2906         gint result;
2907
2908         g_return_val_if_fail(item != NULL, -1);
2909         g_return_val_if_fail(item->no_select == FALSE, -1);
2910
2911         folder = item->folder;
2912
2913         inc_lock();
2914         if (folder->klass->remove_all_msg != NULL) {
2915                 result = folder->klass->remove_all_msg(folder, item);
2916
2917                 if (result == 0) {
2918                         folder_item_free_cache(item);
2919                         item->cache = msgcache_new();
2920                 }
2921         } else {
2922                 MsgInfoList *msglist;
2923
2924                 msglist = folder_item_get_msg_list(item);
2925                 result = folder_item_remove_msgs(item, msglist);
2926                 procmsg_msg_list_free(msglist);
2927         }
2928
2929         if (result == 0) {
2930                 item->new_msgs = 0;
2931                 item->unread_msgs = 0;
2932                 item->unreadmarked_msgs = 0;
2933                 item->total_msgs = 0;
2934                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2935         }
2936
2937         inc_unlock();
2938         return result;
2939 }
2940
2941 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
2942 {
2943         g_return_if_fail(item != NULL);
2944         g_return_if_fail(msginfo != NULL);
2945         g_return_if_fail(item->no_select == FALSE);
2946
2947         if (item->folder->klass->change_flags != NULL) {
2948                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
2949         } else {
2950                 msginfo->flags.perm_flags = newflags;
2951         }
2952 }
2953
2954 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2955 {
2956         Folder *folder;
2957
2958         g_return_val_if_fail(item != NULL, FALSE);
2959         g_return_val_if_fail(item->no_select == FALSE, FALSE);
2960
2961         folder = item->folder;
2962
2963         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
2964
2965         return folder->klass->is_msg_changed(folder, item, msginfo);
2966 }
2967
2968 gchar *folder_item_get_cache_file(FolderItem *item)
2969 {
2970         gchar *path;
2971         gchar *file;
2972
2973         g_return_val_if_fail(item != NULL, NULL);
2974         g_return_val_if_fail(item->path != NULL, NULL);
2975
2976         path = folder_item_get_path(item);
2977         g_return_val_if_fail(path != NULL, NULL);
2978         if (!is_dir_exist(path))
2979                 make_dir_hier(path);
2980         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2981         g_free(path);
2982
2983         return file;
2984 }
2985
2986 gchar *folder_item_get_mark_file(FolderItem *item)
2987 {
2988         gchar *path;
2989         gchar *file;
2990
2991         g_return_val_if_fail(item != NULL, NULL);
2992         g_return_val_if_fail(item->path != NULL, NULL);
2993
2994         path = folder_item_get_path(item);
2995         g_return_val_if_fail(path != NULL, NULL);
2996         if (!is_dir_exist(path))
2997                 make_dir_hier(path);
2998         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2999         g_free(path);
3000
3001         return file;
3002 }
3003
3004 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3005 {
3006         XMLNode *xmlnode = (XMLNode *) nodedata;
3007         Folder *folder = (Folder *) data;
3008         FolderItem *item;
3009
3010         g_return_val_if_fail(xmlnode != NULL, NULL);
3011         g_return_val_if_fail(folder != NULL, NULL);
3012
3013         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3014                 g_warning("tag name != \"folderitem\"\n");
3015                 return NULL;
3016         }
3017
3018         item = folder_item_new(folder, "", "");
3019         if (folder->klass->item_set_xml != NULL)
3020                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3021         else
3022                 folder_item_set_xml(folder, item, xmlnode->tag);
3023
3024         item->folder = folder;
3025
3026         switch (item->stype) {
3027         case F_INBOX:  folder->inbox  = item; break;
3028         case F_OUTBOX: folder->outbox = item; break;
3029         case F_DRAFT:  folder->draft  = item; break;
3030         case F_QUEUE:  folder->queue  = item; break;
3031         case F_TRASH:  folder->trash  = item; break;
3032         default:       break;
3033         }
3034         folder_item_prefs_read_config(item);
3035
3036         return item;
3037 }
3038
3039 static gboolean folder_item_set_node(GNode *node, gpointer data)
3040 {
3041         FolderItem *item = (FolderItem *) node->data;
3042         item->node = node;
3043
3044         return FALSE;
3045 }
3046
3047 static Folder *folder_get_from_xml(GNode *node)
3048 {
3049         Folder *folder;
3050         XMLNode *xmlnode;
3051         GList *list;
3052         FolderClass *klass = NULL;
3053         GNode *cur;
3054
3055         g_return_val_if_fail(node->data != NULL, NULL);
3056
3057         xmlnode = node->data;
3058         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3059                 g_warning("tag name != \"folder\"\n");
3060                 return NULL;
3061         }
3062         list = xmlnode->tag->attr;
3063         for (; list != NULL; list = list->next) {
3064                 XMLAttr *attr = list->data;
3065
3066                 if (!attr || !attr->name || !attr->value) continue;
3067                 if (!strcmp(attr->name, "type"))
3068                         klass = folder_get_class_from_string(attr->value);
3069         }
3070         if (klass == NULL)
3071                 return NULL;
3072
3073         folder = folder_new(klass, "", "");
3074         g_return_val_if_fail(folder != NULL, NULL);
3075
3076         if (klass->set_xml)
3077                 klass->set_xml(folder, xmlnode->tag);
3078         else
3079                 folder_set_xml(folder, xmlnode->tag);
3080
3081         cur = node->children;
3082         while (cur != NULL) {
3083                 GNode *itemnode;
3084
3085                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3086                 g_node_append(folder->node, itemnode);
3087                 cur = cur->next;
3088         }
3089         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3090
3091         return folder;
3092 }
3093
3094 static gchar *folder_get_list_path(void)
3095 {
3096         static gchar *filename = NULL;
3097
3098         if (!filename)
3099                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3100                                         FOLDER_LIST, NULL);
3101
3102         return filename;
3103 }
3104
3105 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3106 {                                                       \
3107         fputs(" " attr "=\"", fp);                      \
3108         xml_file_put_escape_str(fp, str);               \
3109         fputs("\"", fp);                                \
3110 }
3111
3112 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3113 {
3114         FolderItem *item = (FolderItem *) nodedata;
3115         XMLTag *tag;
3116
3117         g_return_val_if_fail(item != NULL, NULL);
3118
3119         if (item->folder->klass->item_get_xml != NULL)
3120                 tag = item->folder->klass->item_get_xml(item->folder, item);
3121         else
3122                 tag = folder_item_get_xml(item->folder, item);
3123
3124         return xml_node_new(tag, NULL);;
3125 }
3126
3127 static GNode *folder_get_xml_node(Folder *folder)
3128 {
3129         GNode *node;
3130         XMLNode *xmlnode;
3131         XMLTag *tag;
3132
3133         g_return_val_if_fail(folder != NULL, NULL);
3134
3135         if (folder->klass->get_xml != NULL)
3136                 tag = folder->klass->get_xml(folder);
3137         else
3138                 tag = folder_get_xml(folder);
3139
3140         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3141
3142         xmlnode = xml_node_new(tag, NULL);
3143
3144         node = g_node_new(xmlnode);
3145         if (folder->node->children) {
3146                 GNode *cur;
3147
3148                 cur = folder->node->children;
3149                 while (cur) {
3150                         GNode *xmlnode;
3151
3152                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3153                         g_node_append(node, xmlnode);
3154                         cur = cur->next;
3155                 }
3156         }
3157
3158         return node;
3159 }
3160
3161 static void folder_update_op_count_rec(GNode *node)
3162 {
3163         FolderItem *fitem = FOLDER_ITEM(node->data);
3164
3165         if (g_node_depth(node) > 0) {
3166                 if (fitem->op_count > 0) {
3167                         fitem->op_count = 0;
3168                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3169                 }
3170                 if (node->children) {
3171                         GNode *child;
3172
3173                         child = node->children;
3174                         while (child) {
3175                                 GNode *cur;
3176
3177                                 cur = child;
3178                                 child = cur->next;
3179                                 folder_update_op_count_rec(cur);
3180                         }
3181                 }
3182         }
3183 }
3184
3185 void folder_update_op_count(void)
3186 {
3187         GList *cur;
3188         Folder *folder;
3189
3190         for (cur = folder_list; cur != NULL; cur = cur->next) {
3191                 folder = cur->data;
3192                 folder_update_op_count_rec(folder->node);
3193         }
3194 }
3195
3196 typedef struct _type_str {
3197         gchar * str;
3198         gint type;
3199 } type_str;
3200
3201
3202 /*
3203 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3204 {
3205         if (item->parent != NULL) {
3206                 gchar * path;
3207                 gchar * id;
3208
3209                 path = folder_item_get_tree_identifier(item->parent);
3210                 if (path == NULL)
3211                         return NULL;
3212
3213                 id = g_strconcat(path, "/", item->name, NULL);
3214                 g_free(path);
3215
3216                 return id;
3217         }
3218         else {
3219                 return g_strconcat("/", item->name, NULL);
3220         }
3221 }
3222 */
3223
3224 /* CLAWS: temporary local folder for filtering */
3225 #define TEMP_FOLDER "TEMP_FOLDER"
3226 #define PROCESSING_FOLDER_ITEM "processing"
3227
3228 static FolderItem *processing_folder_item;
3229
3230 static void folder_create_processing_folder(void)
3231 {
3232         Folder *processing_folder;
3233         gchar      *tmpname;
3234
3235         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3236                 gchar *tmppath;
3237
3238                 tmppath =
3239                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3240                                 "tempfolder", NULL);
3241                 processing_folder =
3242                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3243                 g_free(tmppath);
3244         }
3245         g_assert(processing_folder != NULL);
3246
3247         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3248         if (LOCAL_FOLDER(processing_folder)->rootpath[0] == '/')
3249                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3250                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3251                                       NULL);
3252         else
3253                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3254                                       LOCAL_FOLDER(processing_folder)->rootpath,
3255                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3256                                       NULL);
3257
3258         if (!is_dir_exist(tmpname)) {
3259                 debug_print("*TMP* creating %s\n", tmpname);
3260                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3261                                                                                  processing_folder->node->data,
3262                                                                                  PROCESSING_FOLDER_ITEM);
3263         } else {
3264                 debug_print("*TMP* already created\n");
3265                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3266                 g_assert(processing_folder_item);
3267                 folder_item_append(processing_folder->node->data, processing_folder_item);
3268         }
3269         g_assert(processing_folder_item != NULL);
3270         g_free(tmpname);
3271 }
3272
3273 FolderItem *folder_get_default_processing(void)
3274 {
3275         if (!processing_folder_item) {
3276                 folder_create_processing_folder();
3277         }
3278         return processing_folder_item;
3279 }
3280
3281 /* folder_persist_prefs_new() - return hash table with persistent
3282  * settings (and folder name as key).
3283  * (note that in claws other options are in the folder_item_prefs_RC
3284  * file, so those don't need to be included in PersistPref yet)
3285  */
3286 GHashTable *folder_persist_prefs_new(Folder *folder)
3287 {
3288         GHashTable *pptable;
3289
3290         g_return_val_if_fail(folder, NULL);
3291         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3292         folder_get_persist_prefs_recursive(folder->node, pptable);
3293         return pptable;
3294 }
3295
3296 void folder_persist_prefs_free(GHashTable *pptable)
3297 {
3298         g_return_if_fail(pptable);
3299         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3300         g_hash_table_destroy(pptable);
3301 }
3302
3303 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3304 {
3305         if (pptable == NULL || name == NULL) return NULL;
3306         return g_hash_table_lookup(pptable, name);
3307 }
3308
3309 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3310 {
3311         const PersistPrefs *pp;
3312         gchar *id = folder_item_get_identifier(item);
3313
3314         pp = folder_get_persist_prefs(pptable, id);
3315         g_free(id);
3316
3317         if (!pp) return;
3318
3319         /* CLAWS: since not all folder properties have been migrated to
3320          * folderlist.xml, we need to call the old stuff first before
3321          * setting things that apply both to Main and Claws. */
3322         folder_item_prefs_read_config(item);
3323
3324         item->collapsed = pp->collapsed;
3325         item->thread_collapsed = pp->thread_collapsed;
3326         item->threaded  = pp->threaded;
3327         item->ret_rcpt  = pp->ret_rcpt;
3328         item->hide_read_msgs = pp->hide_read_msgs;
3329         item->sort_key  = pp->sort_key;
3330         item->sort_type = pp->sort_type;
3331 }
3332
3333 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3334 {
3335         FolderItem *item = FOLDER_ITEM(node->data);
3336         PersistPrefs *pp;
3337         GNode *child, *cur;
3338         gchar *id;
3339
3340         g_return_if_fail(node != NULL);
3341         g_return_if_fail(item != NULL);
3342
3343         /* NOTE: item->path == NULL means top level folder; not interesting
3344          * to store preferences of that one.  */
3345         if (item->path) {
3346                 id = folder_item_get_identifier(item);
3347                 pp = g_new0(PersistPrefs, 1);
3348                 g_return_if_fail(pp != NULL);
3349                 pp->collapsed = item->collapsed;
3350                 pp->thread_collapsed = item->thread_collapsed;
3351                 pp->threaded  = item->threaded;
3352                 pp->ret_rcpt  = item->ret_rcpt;
3353                 pp->hide_read_msgs = item->hide_read_msgs;
3354                 pp->sort_key  = item->sort_key;
3355                 pp->sort_type = item->sort_type;
3356                 g_hash_table_insert(pptable, id, pp);
3357         }
3358
3359         if (node->children) {
3360                 child = node->children;
3361                 while (child) {
3362                         cur = child;
3363                         child = cur->next;
3364                         folder_get_persist_prefs_recursive(cur, pptable);
3365                 }
3366         }
3367 }
3368
3369 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3370 {
3371         if (key)
3372                 g_free(key);
3373         if (val)
3374                 g_free(val);
3375         return TRUE;
3376 }
3377
3378 void folder_item_apply_processing(FolderItem *item)
3379 {
3380         GSList *processing_list;
3381         GSList *mlist, *cur;
3382         guint total = 0, curmsg = 0;
3383         gchar buf[32];
3384
3385         g_return_if_fail(item != NULL);
3386         g_return_if_fail(item->no_select == FALSE);
3387         processing_list = item->prefs->processing;
3388
3389         folder_item_update_freeze();
3390
3391         mlist = folder_item_get_msg_list(item);
3392         total = g_slist_length(mlist);
3393         statusbar_print_all(_("Processing messages..."));
3394         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3395                 MsgInfo * msginfo;
3396
3397                 msginfo = (MsgInfo *) cur->data;
3398
3399                 /* reset parameters that can be modified by processing */
3400                 msginfo->hidden = 0;
3401                 msginfo->score = 0;
3402                 curmsg ++;
3403                 if (curmsg % 10 == 0) {
3404                         g_snprintf(buf, sizeof(buf), "%d / %d",
3405                                    curmsg, total);
3406                         gtk_progress_bar_set_text
3407                                 (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar), buf);
3408                         gtk_progress_bar_set_fraction
3409                         (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar),
3410                          (gfloat)curmsg / (gfloat)total);
3411                 }
3412                 /* apply pre global rules */
3413                 filter_message_by_msginfo(pre_global_processing, msginfo);
3414
3415                 /* apply rules of the folder */
3416                 filter_message_by_msginfo(processing_list, msginfo);
3417
3418                 /* apply post global rules */
3419                 filter_message_by_msginfo(post_global_processing, msginfo);
3420
3421                 procmsg_msginfo_free(msginfo);
3422         }
3423         g_slist_free(mlist);
3424
3425         gtk_progress_bar_set_text
3426                 (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar), "");
3427         gtk_progress_bar_set_fraction
3428                 (GTK_PROGRESS_BAR(mainwindow_get_mainwindow()->progressbar), 0);
3429         statusbar_pop_all();
3430
3431         folder_item_update_thaw();
3432 }
3433
3434 /*
3435  *  functions for handling FolderItem content changes
3436  */
3437 static gint folder_item_update_freeze_cnt = 0;
3438
3439 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3440 {
3441         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3442                 FolderItemUpdateData source;
3443
3444                 source.item = item;
3445                 source.update_flags = update_flags;
3446                 source.msg = msg;
3447                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3448         } else {
3449                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3450         }
3451 }
3452
3453 /**
3454  * Notify the folder system about changes to a folder. If the
3455  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3456  * be invoked, otherwise the changes will be remebered until
3457  * the folder system is thawed.
3458  *
3459  * \param item The FolderItem that was changed
3460  * \param update_flags Type of changed that was made
3461  */
3462 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3463 {
3464         folder_item_update_with_msg(item, update_flags, NULL);
3465 }
3466
3467 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3468 {
3469         GNode *node = item->folder->node;
3470
3471         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3472         node = node->children;
3473
3474         folder_item_update(item, update_flags);
3475         while (node != NULL) {
3476                 if (node && node->data) {
3477                         FolderItem *next_item = (FolderItem*) node->data;
3478
3479                         folder_item_update(next_item, update_flags);
3480                 }
3481                 node = node->next;
3482         }
3483 }
3484
3485 void folder_item_update_freeze(void)
3486 {
3487         folder_item_update_freeze_cnt++;
3488 }
3489
3490 static void folder_item_update_func(FolderItem *item, gpointer data)
3491 {
3492         FolderItemUpdateData source;
3493
3494         if (item->update_flags) {
3495                 source.item = item;
3496                 source.update_flags = item->update_flags;
3497                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3498                 item->update_flags = 0;
3499         }
3500 }
3501
3502 void folder_item_update_thaw(void)
3503 {
3504         if (folder_item_update_freeze_cnt > 0)
3505                 folder_item_update_freeze_cnt--;
3506         if (folder_item_update_freeze_cnt == 0) {
3507                 /* Update all folders */
3508                 folder_func_to_all_folders(folder_item_update_func, NULL);
3509         }
3510 }
3511
3512 void folder_item_set_batch (FolderItem *item, gboolean batch)
3513 {
3514         if (item->folder->klass->set_batch) {
3515                 item->folder->klass->set_batch(item->folder, item, batch);
3516         }
3517 }
3518
3519 #undef PUT_ESCAPE_STR