src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33 #include <stdlib.h>
  34 #ifdef WIN32
  35 #include <w32lib.h>
  36 #endif
  37
  38 #include "folder.h"
  39 #include "session.h"
  40 #include "inc.h"
  41 #include "imap.h"
  42 #include "news.h"
  43 #include "mh.h"
  44 #include "utils.h"
  45 #include "xml.h"
  46 #include "codeconv.h"
  47 #include "prefs_gtk.h"
  48 #include "account.h"
  49 #include "filtering.h"
  50 #include "procheader.h"
  51 #include "hooks.h"
  52 #include "log.h"
  53 #include "folder_item_prefs.h"
  54 #include "remotefolder.h"
  55 #include "partial_download.h"
  56 #include "statusbar.h"
  57
  58 /* Dependecies to be removed ?! */
  59 #include "prefs_common.h"
  60 #include "prefs_account.h"
  61
  62 /* Define possible missing constants for Windows. */
  63 #ifdef G_OS_WIN32
  64 # ifndef S_IRGRP
  65 # define S_IRGRP 0
  66 # define S_IWGRP 0
  67 # endif
  68 # ifndef S_IROTH
  69 # define S_IROTH 0
  70 # define S_IWOTH 0
  71 # endif
  72 #endif
  73
  74 static GList *folder_list = NULL;
  75 static GSList *class_list = NULL;
  76 static GSList *folder_unloaded_list = NULL;
  77
  78 void folder_init                (Folder         *folder,
  79                                  const gchar    *name);
  80
  81 static gchar *folder_get_list_path      (void);
  82 static GNode *folder_get_xml_node       (Folder         *folder);
  83 static Folder *folder_get_from_xml      (GNode          *node);
  84 static void folder_update_op_count_rec  (GNode          *node);
  85
  86
  87 static void folder_get_persist_prefs_recursive
  88                                         (GNode *node, GHashTable *pptable);
  89 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  90 void folder_item_read_cache             (FolderItem *item);
  91 void folder_item_free_cache             (FolderItem *item);
  92 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  93 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
  94                                          MsgInfo *msg);
  95
  96 void folder_system_init(void)
  97 {
  98         folder_register_class(mh_get_class());
  99         folder_register_class(imap_get_class());
 100         folder_register_class(news_get_class());
 101 }
 102
 103 GSList *folder_get_class_list(void)
 104 {
 105         return class_list;
 106 }
 107
 108 void folder_register_class(FolderClass *klass)
 109 {
 110         GSList *xmllist, *cur;
 111
 112         debug_print("registering folder class %s\n", klass->idstr);
 113
 114         class_list = g_slist_append(class_list, klass);
 115
 116         xmllist = g_slist_copy(folder_unloaded_list);
 117         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 118                 GNode *node = (GNode *) cur->data;
 119                 XMLNode *xmlnode = (XMLNode *) node->data;
 120                 GList *cur = xmlnode->tag->attr;
 121
 122                 for (; cur != NULL; cur = g_list_next(cur)) {
 123                         XMLAttr *attr = (XMLAttr *) cur->data;
 124
 125                         if (!attr || !attr->name || !attr->value) continue;
 126                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 127                                 Folder *folder;
 128
 129                                 folder = folder_get_from_xml(node);
 130                                 folder_add(folder);
 131                                 folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 132
 133                                 cur = NULL;
 134                                 continue;
 135                         }
 136                 }
 137         }
 138         g_slist_free(xmllist);
 139 }
 140
 141 void folder_unregister_class(FolderClass *klass)
 142 {
 143         GList *folderlist, *cur;
 144
 145         debug_print("unregistering folder class %s\n", klass->idstr);
 146
 147         class_list = g_slist_remove(class_list, klass);
 148
 149         folderlist = g_list_copy(folder_get_list());
 150         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 151                 Folder *folder = (Folder *) cur->data;
 152
 153                 if (folder->klass == klass) {
 154                         GNode *xmlnode = folder_get_xml_node(folder);
 155                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 156                         folder_destroy(folder);
 157                 }
 158         }
 159         g_list_free(folderlist);
 160 }
 161
 162 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 163 {
 164         Folder *folder = NULL;
 165         FolderItem *item;
 166
 167         g_return_val_if_fail(klass != NULL, NULL);
 168
 169         name = name ? name : path;
 170         folder = klass->new_folder(name, path);
 171
 172         /* Create root folder item */
 173         item = folder_item_new(folder, name, NULL);
 174         if (item == NULL) {
 175                 return NULL;
 176         }
 177         item->folder = folder;
 178         folder->node = item->node = g_node_new(item);
 179         folder->data = NULL;
 180
 181         return folder;
 182 }
 183
 184 void folder_init(Folder *folder, const gchar *name)
 185 {
 186         g_return_if_fail(folder != NULL);
 187
 188         folder_set_name(folder, name);
 189
 190         /* Init folder data */
 191         folder->account = NULL;
 192         folder->sort = 0;
 193         folder->inbox = NULL;
 194         folder->outbox = NULL;
 195         folder->draft = NULL;
 196         folder->queue = NULL;
 197         folder->trash = NULL;
 198 }
 199
 200 void folder_destroy(Folder *folder)
 201 {
 202         g_return_if_fail(folder != NULL);
 203         g_return_if_fail(folder->klass->destroy_folder != NULL);
 204
 205         folder_remove(folder);
 206
 207         folder_tree_destroy(folder);
 208
 209         folder->klass->destroy_folder(folder);
 210
 211         g_free(folder->name);
 212         g_free(folder);
 213 }
 214
 215 void folder_set_xml(Folder *folder, XMLTag *tag)
 216 {
 217         GList *cur;
 218         FolderItem *rootitem = NULL;
 219
 220         if ((folder->node != NULL) && (folder->node->data != NULL))
 221                 rootitem = (FolderItem *) folder->node->data;
 222
 223         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 224                 XMLAttr *attr = (XMLAttr *) cur->data;
 225
 226                 if (!attr || !attr->name || !attr->value) continue;
 227                 if (!strcmp(attr->name, "name")) {
 228                         g_free(folder->name);
 229                         folder->name = g_strdup(attr->value);
 230                         if (rootitem != NULL) {
 231                                 g_free(rootitem->name);
 232                                 rootitem->name = g_strdup(attr->value);
 233                         }
 234                 } else if (!strcmp(attr->name, "account_id")) {
 235                         PrefsAccount *account;
 236
 237                         account = account_find_from_id(atoi(attr->value));
 238                         if (!account)
 239                                 g_warning("account_id: %s not found\n", attr->value);
 240                         else {
 241                                 folder->account = account;
 242                                 account->folder = folder;
 243                         }
 244                 } else if (!strcmp(attr->name, "collapsed")) {
 245                         if (rootitem != NULL)
 246                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 247                 } else if (!strcmp(attr->name, "sort")) {
 248                         folder->sort = atoi(attr->value);
 249                 }
 250         }
 251 }
 252
 253 XMLTag *folder_get_xml(Folder *folder)
 254 {
 255         XMLTag *tag;
 256
 257         tag = xml_tag_new("folder");
 258
 259         if (folder->name)
 260                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 261         if (folder->account)
 262                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 263         if (folder->node && folder->node->data) {
 264                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 265
 266                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 267         }
 268         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 269
 270         return tag;
 271 }
 272
 273 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 274 {
 275         FolderItem *item = NULL;
 276
 277         g_return_val_if_fail(folder != NULL, NULL);
 278
 279         if (folder->klass->item_new) {
 280                 item = folder->klass->item_new(folder);
 281         } else {
 282                 item = g_new0(FolderItem, 1);
 283         }
 284
 285         g_return_val_if_fail(item != NULL, NULL);
 286
 287         item->stype = F_NORMAL;
 288         item->name = g_strdup(name);
 289         item->path = g_strdup(path);
 290         item->mtime = 0;
 291         item->new_msgs = 0;
 292         item->unread_msgs = 0;
 293         item->unreadmarked_msgs = 0;
 294         item->marked_msgs = 0;
 295         item->total_msgs = 0;
 296         item->last_num = -1;
 297         item->cache = NULL;
 298         item->no_sub = FALSE;
 299         item->no_select = FALSE;
 300         item->collapsed = FALSE;
 301         item->thread_collapsed = FALSE;
 302         item->threaded  = TRUE;
 303         item->ret_rcpt  = FALSE;
 304         item->opened    = FALSE;
 305         item->node = g_node_new(item);
 306         item->folder = NULL;
 307         item->account = NULL;
 308         item->apply_sub = FALSE;
 309         item->mark_queue = NULL;
 310         item->data = NULL;
 311         item->parent_stype = -1;
 312
 313         item->sort_key = SORT_BY_DATE;
 314         item->sort_type = SORT_ASCENDING;
 315
 316         item->prefs = folder_item_prefs_new();
 317
 318         return item;
 319 }
 320
 321 void folder_item_append(FolderItem *parent, FolderItem *item)
 322 {
 323         g_return_if_fail(parent != NULL);
 324         g_return_if_fail(parent->folder != NULL);
 325         g_return_if_fail(parent->node != NULL);
 326         g_return_if_fail(item != NULL);
 327
 328         item->folder = parent->folder;
 329         g_node_append(parent->node, item->node);
 330 }
 331
 332 void folder_item_remove(FolderItem *item)
 333 {
 334         GNode *node, *start_node;
 335         FolderUpdateData hookdata;
 336
 337         g_return_if_fail(item != NULL);
 338         g_return_if_fail(item->folder != NULL);
 339         g_return_if_fail(item->folder->node != NULL);
 340
 341         start_node = node = item->node;
 342
 343         node = item->folder->node;
 344
 345         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 346         node = node->children;
 347
 348         /* remove my children */
 349         while (node != NULL) {
 350                 if (node && node->data) {
 351                         FolderItem *sub_item = (FolderItem*) node->data;
 352                         node = node->next;
 353                         folder_item_remove(sub_item);
 354                 }
 355         }
 356
 357         /* remove myself */
 358         if (item->cache != NULL) {
 359                 msgcache_destroy(item->cache);
 360                 item->cache = NULL;
 361         }
 362
 363         hookdata.folder = item->folder;
 364         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 365         hookdata.item = item;
 366         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 367
 368         node = start_node;
 369
 370         if (item->folder->node == node)
 371                 item->folder->node = NULL;
 372
 373         folder_item_destroy(item);
 374
 375         g_node_destroy(node);
 376 }
 377
 378 void folder_item_remove_children(FolderItem *item)
 379 {
 380         GNode *node, *next;
 381
 382         g_return_if_fail(item != NULL);
 383         g_return_if_fail(item->folder != NULL);
 384         g_return_if_fail(item->node != NULL);
 385
 386         node = item->node->children;
 387         while (node != NULL) {
 388                 next = node->next;
 389                 folder_item_remove(FOLDER_ITEM(node->data));
 390                 node = next;
 391         }
 392 }
 393
 394 void folder_item_destroy(FolderItem *item)
 395 {
 396         Folder *folder;
 397
 398         g_return_if_fail(item != NULL);
 399
 400         folder = item->folder;
 401         if (folder) {
 402                 if (folder->inbox == item)
 403                         folder->inbox = NULL;
 404                 else if (folder->outbox == item)
 405                         folder->outbox = NULL;
 406                 else if (folder->draft == item)
 407                         folder->draft = NULL;
 408                 else if (folder->queue == item)
 409                         folder->queue = NULL;
 410                 else if (folder->trash == item)
 411                         folder->trash = NULL;
 412         }
 413
 414         if (item->cache)
 415                 folder_item_free_cache(item);
 416         if (item->prefs)
 417                 folder_item_prefs_free(item->prefs);
 418         g_free(item->name);
 419         g_free(item->path);
 420
 421         if (item->folder != NULL) {
 422                 if(item->folder->klass->item_destroy) {
 423                         item->folder->klass->item_destroy(item->folder, item);
 424                 } else {
 425                         g_free(item);
 426                 }
 427         }
 428 }
 429
 430 FolderItem *folder_item_parent(FolderItem *item)
 431 {
 432         g_return_val_if_fail(item != NULL, NULL);
 433         g_return_val_if_fail(item->node != NULL, NULL);
 434
 435         if (item->node->parent == NULL)
 436                 return NULL;
 437         return (FolderItem *) item->node->parent->data;
 438 }
 439
 440 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 441 {
 442         GList *cur;
 443
 444         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 445                 XMLAttr *attr = (XMLAttr *) cur->data;
 446
 447                 if (!attr || !attr->name || !attr->value) continue;
 448                 if (!strcmp(attr->name, "type")) {
 449                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 450                                 item->stype = F_NORMAL;
 451                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 452                                 item->stype = F_INBOX;
 453                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 454                                 item->stype = F_OUTBOX;
 455                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 456                                 item->stype = F_DRAFT;
 457                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 458                                 item->stype = F_QUEUE;
 459                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 460                                 item->stype = F_TRASH;
 461                 } else if (!strcmp(attr->name, "name")) {
 462                         g_free(item->name);
 463                         item->name = g_strdup(attr->value);
 464                 } else if (!strcmp(attr->name, "path")) {
 465                         g_free(item->path);
 466                         item->path = g_strdup(attr->value);
 467                 } else if (!strcmp(attr->name, "mtime"))
 468                         item->mtime = strtoul(attr->value, NULL, 10);
 469                 else if (!strcmp(attr->name, "new"))
 470                         item->new_msgs = atoi(attr->value);
 471                 else if (!strcmp(attr->name, "unread"))
 472                         item->unread_msgs = atoi(attr->value);
 473                 else if (!strcmp(attr->name, "unreadmarked"))
 474                         item->unreadmarked_msgs = atoi(attr->value);
 475                 else if (!strcmp(attr->name, "marked"))
 476                         item->marked_msgs = atoi(attr->value);
 477                 else if (!strcmp(attr->name, "total"))
 478                         item->total_msgs = atoi(attr->value);
 479                 else if (!strcmp(attr->name, "no_sub"))
 480                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 481                 else if (!strcmp(attr->name, "no_select"))
 482                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 483                 else if (!strcmp(attr->name, "collapsed"))
 484                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 485                 else if (!strcmp(attr->name, "thread_collapsed"))
 486                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 487                 else if (!strcmp(attr->name, "threaded"))
 488                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 489                 else if (!strcmp(attr->name, "hidereadmsgs"))
 490                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 491                 else if (!strcmp(attr->name, "reqretrcpt"))
 492                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 493                 else if (!strcmp(attr->name, "sort_key")) {
 494                         if (!strcmp(attr->value, "none"))
 495                                 item->sort_key = SORT_BY_NONE;
 496                         else if (!strcmp(attr->value, "number"))
 497                                 item->sort_key = SORT_BY_NUMBER;
 498                         else if (!strcmp(attr->value, "size"))
 499                                 item->sort_key = SORT_BY_SIZE;
 500                         else if (!strcmp(attr->value, "date"))
 501                                 item->sort_key = SORT_BY_DATE;
 502                         else if (!strcmp(attr->value, "from"))
 503                                 item->sort_key = SORT_BY_FROM;
 504                         else if (!strcmp(attr->value, "subject"))
 505                                 item->sort_key = SORT_BY_SUBJECT;
 506                         else if (!strcmp(attr->value, "score"))
 507                                 item->sort_key = SORT_BY_SCORE;
 508                         else if (!strcmp(attr->value, "label"))
 509                                 item->sort_key = SORT_BY_LABEL;
 510                         else if (!strcmp(attr->value, "mark"))
 511                                 item->sort_key = SORT_BY_MARK;
 512                         else if (!strcmp(attr->value, "unread"))
 513                                 item->sort_key = SORT_BY_STATUS;
 514                         else if (!strcmp(attr->value, "mime"))
 515                                 item->sort_key = SORT_BY_MIME;
 516                         else if (!strcmp(attr->value, "to"))
 517                                 item->sort_key = SORT_BY_TO;
 518                         else if (!strcmp(attr->value, "locked"))
 519                                 item->sort_key = SORT_BY_LOCKED;
 520                 } else if (!strcmp(attr->name, "sort_type")) {
 521                         if (!strcmp(attr->value, "ascending"))
 522                                 item->sort_type = SORT_ASCENDING;
 523                         else
 524                                 item->sort_type = SORT_DESCENDING;
 525                 } else if (!strcmp(attr->name, "account_id")) {
 526                         PrefsAccount *account;
 527
 528                         account = account_find_from_id(atoi(attr->value));
 529                         if (!account)
 530                                 g_warning("account_id: %s not found\n", attr->value);
 531                         else
 532                                 item->account = account;
 533                 } else if (!strcmp(attr->name, "apply_sub"))
 534                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 535         }
 536 }
 537
 538 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 539 {
 540         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 541                                                  "draft", "queue", "trash"};
 542         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 543                                         "from", "subject", "score", "label",
 544                                         "mark", "unread", "mime", "to",
 545                                         "locked"};
 546         XMLTag *tag;
 547         gchar *value;
 548
 549         tag = xml_tag_new("folderitem");
 550
 551         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 552         if (item->name)
 553                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 554         if (item->path)
 555                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 556         if (item->no_sub)
 557                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 558         if (item->no_select)
 559                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 560         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 561         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 562         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 563         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 564         if (item->ret_rcpt)
 565                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 566
 567         if (item->sort_key != SORT_BY_NONE) {
 568                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 569                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 570         }
 571
 572         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 573         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 574         g_free(value);
 575         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 576         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 577         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 578         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 579         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 580
 581         if (item->account)
 582                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 583         if (item->apply_sub)
 584                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 585
 586         return tag;
 587 }
 588
 589 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 590 {
 591         g_return_if_fail(folder != NULL);
 592
 593         folder->ui_func = func;
 594         folder->ui_func_data = data;
 595 }
 596
 597 void folder_set_name(Folder *folder, const gchar *name)
 598 {
 599         g_return_if_fail(folder != NULL);
 600
 601         g_free(folder->name);
 602         folder->name = name ? g_strdup(name) : NULL;
 603         if (folder->node && folder->node->data) {
 604                 FolderItem *item = (FolderItem *)folder->node->data;
 605
 606                 g_free(item->name);
 607                 item->name = name ? g_strdup(name) : NULL;
 608         }
 609 }
 610
 611 void folder_set_sort(Folder *folder, guint sort)
 612 {
 613         g_return_if_fail(folder != NULL);
 614
 615         if (folder->sort != sort) {
 616                 folder_remove(folder);
 617                 folder->sort = sort;
 618                 folder_add(folder);
 619         }
 620 }
 621
 622 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 623         FolderItem *item = (FolderItem *) node->data;
 624
 625         folder_item_destroy(item);
 626         return FALSE;
 627 }
 628
 629 void folder_tree_destroy(Folder *folder)
 630 {
 631         GNode *node;
 632
 633         g_return_if_fail(folder != NULL);
 634
 635         node = folder->node;
 636
 637         prefs_filtering_clear_folder(folder);
 638
 639         if (node != NULL) {
 640                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 641                                 folder_tree_destroy_func, NULL);
 642                 g_node_destroy(node);
 643                 folder->node = NULL;
 644         }
 645 }
 646
 647 void folder_add(Folder *folder)
 648 {
 649         Folder *cur_folder;
 650         GList *cur;
 651         gint i;
 652         FolderUpdateData hookdata;
 653
 654         g_return_if_fail(folder != NULL);
 655
 656         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 657                 cur_folder = FOLDER(cur->data);
 658                 if (cur_folder->sort < folder->sort)
 659                         break;
 660         }
 661
 662         folder_list = g_list_insert(folder_list, folder, i);
 663
 664         hookdata.folder = folder;
 665         hookdata.update_flags = FOLDER_ADD_FOLDER;
 666         hookdata.item = NULL;
 667         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 668 }
 669
 670 void folder_remove(Folder *folder)
 671 {
 672         FolderUpdateData hookdata;
 673
 674         g_return_if_fail(folder != NULL);
 675
 676         folder_list = g_list_remove(folder_list, folder);
 677
 678         hookdata.folder = folder;
 679         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 680         hookdata.item = NULL;
 681         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 682 }
 683
 684 GList *folder_get_list(void)
 685 {
 686         return folder_list;
 687 }
 688
 689 gint folder_read_list(void)
 690 {
 691         GNode *node, *cur;
 692         XMLNode *xmlnode;
 693         gchar *path;
 694
 695         path = folder_get_list_path();
 696         if (!is_file_exist(path)) return -1;
 697         node = xml_parse_file(path);
 698         if (!node) return -1;
 699
 700         xmlnode = node->data;
 701         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 702                 g_warning("wrong folder list\n");
 703                 xml_free_tree(node);
 704                 return -1;
 705         }
 706
 707         cur = node->children;
 708         while (cur != NULL) {
 709                 Folder *folder;
 710
 711                 folder = folder_get_from_xml(cur);
 712                 if (folder != NULL)
 713                         folder_add(folder);
 714                 else
 715                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 716                                 (gpointer) xml_copy_tree(cur));
 717                 cur = cur->next;
 718         }
 719
 720         xml_free_tree(node);
 721         if (folder_list || folder_unloaded_list)
 722                 return 0;
 723         else
 724                 return -1;
 725 }
 726
 727 void folder_write_list(void)
 728 {
 729         GList *list;
 730         GSList *slist;
 731         Folder *folder;
 732         gchar *path;
 733         PrefFile *pfile;
 734         GNode *rootnode;
 735         XMLNode *xmlnode;
 736         XMLTag *tag;
 737
 738         path = folder_get_list_path();
 739         if ((pfile = prefs_write_open(path)) == NULL) return;
 740
 741         xml_file_put_xml_decl(pfile->fp);
 742         tag = xml_tag_new("folderlist");
 743
 744         xmlnode = xml_node_new(tag, NULL);
 745
 746         rootnode = g_node_new(xmlnode);
 747
 748         for (list = folder_list; list != NULL; list = list->next) {
 749                 GNode *node;
 750
 751                 folder = list->data;
 752                 node = folder_get_xml_node(folder);
 753                 if (node != NULL)
 754                         g_node_append(rootnode, node);
 755         }
 756
 757         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 758                 GNode *node = (GNode *) slist->data;
 759
 760                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 761         }
 762
 763         xml_write_tree(rootnode, pfile->fp);
 764
 765         if (prefs_file_close(pfile) < 0)
 766                 g_warning("failed to write folder list.\n");
 767
 768         xml_free_tree(rootnode);
 769 }
 770
 771 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 772 {
 773         GHashTable *pptable = (GHashTable *)data;
 774         FolderItem *item = (FolderItem *)node->data;
 775
 776         folder_item_restore_persist_prefs(item, pptable);
 777         folder_item_scan_full(item, FALSE);
 778
 779         return FALSE;
 780 }
 781
 782 void folder_scan_tree(Folder *folder, gboolean rebuild)
 783 {
 784         GHashTable *pptable;
 785         FolderUpdateData hookdata;
 786
 787         if (!folder->klass->scan_tree)
 788                 return;
 789
 790         pptable = folder_persist_prefs_new(folder);
 791
 792         if (rebuild)
 793                 folder_tree_destroy(folder);
 794
 795         folder->klass->scan_tree(folder);
 796
 797         hookdata.folder = folder;
 798         hookdata.update_flags = FOLDER_TREE_CHANGED;
 799         hookdata.item = NULL;
 800         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 801
 802         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 803         folder_persist_prefs_free(pptable);
 804
 805         prefs_matcher_read_config();
 806
 807         folder_write_list();
 808 }
 809
 810 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 811 {
 812         FolderItem *new_item;
 813
 814         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 815         if (new_item) {
 816                 FolderUpdateData hookdata;
 817
 818                 new_item->cache = msgcache_new();
 819
 820                 hookdata.folder = new_item->folder;
 821                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 822                 hookdata.item = new_item;
 823                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 824         }
 825
 826         return new_item;
 827 }
 828
 829 gint folder_item_rename(FolderItem *item, gchar *newname)
 830 {
 831         gint retval;
 832
 833         g_return_val_if_fail(item != NULL, -1);
 834         g_return_val_if_fail(newname != NULL, -1);
 835
 836         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 837
 838         if (retval >= 0) {
 839                 FolderItemUpdateData hookdata;
 840                 FolderUpdateData hookdata2;
 841
 842                 hookdata.item = item;
 843                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 844                 hookdata.msg = NULL;
 845                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 846
 847                 hookdata2.folder = item->folder;
 848                 hookdata2.item = item;
 849                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
 850                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
 851         }
 852
 853         return retval;
 854 }
 855
 856 struct TotalMsgCount
 857 {
 858         guint new_msgs;
 859         guint unread_msgs;
 860         guint unreadmarked_msgs;
 861         guint marked_msgs;
 862         guint total_msgs;
 863 };
 864
 865 struct FuncToAllFoldersData
 866 {
 867         FolderItemFunc  function;
 868         gpointer        data;
 869 };
 870
 871 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 872 {
 873         FolderItem *item;
 874         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 875
 876         g_return_val_if_fail(node->data != NULL, FALSE);
 877
 878         item = FOLDER_ITEM(node->data);
 879         g_return_val_if_fail(item != NULL, FALSE);
 880
 881         function_data->function(item, function_data->data);
 882
 883         return FALSE;
 884 }
 885
 886 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 887 {
 888         GList *list;
 889         Folder *folder;
 890         struct FuncToAllFoldersData function_data;
 891
 892         function_data.function = function;
 893         function_data.data = data;
 894
 895         for (list = folder_list; list != NULL; list = list->next) {
 896                 folder = FOLDER(list->data);
 897                 if (folder->node)
 898                         g_node_traverse(folder->node, G_PRE_ORDER,
 899                                         G_TRAVERSE_ALL, -1,
 900                                         folder_func_to_all_folders_func,
 901                                         &function_data);
 902         }
 903 }
 904
 905 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 906 {
 907         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 908
 909         count->new_msgs += item->new_msgs;
 910         count->unread_msgs += item->unread_msgs;
 911         count->unreadmarked_msgs += item->unreadmarked_msgs;
 912         count->marked_msgs += item->marked_msgs;
 913         count->total_msgs += item->total_msgs;
 914 }
 915
 916 struct TotalMsgStatus
 917 {
 918         guint new;
 919         guint unread;
 920         guint total;
 921         GString *str;
 922 };
 923
 924 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 925 {
 926         FolderItem *item;
 927         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 928         gchar *id;
 929
 930         g_return_val_if_fail(node->data != NULL, FALSE);
 931
 932         item = FOLDER_ITEM(node->data);
 933
 934         if (!item->path) return FALSE;
 935
 936         status->new += item->new_msgs;
 937         status->unread += item->unread_msgs;
 938         status->total += item->total_msgs;
 939
 940         if (status->str) {
 941                 id = folder_item_get_identifier(item);
 942                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
 943                                   item->new_msgs, item->unread_msgs,
 944                                   item->total_msgs, id);
 945                 g_free(id);
 946         }
 947
 948         return FALSE;
 949  }
 950
 951 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
 952                                        guint *total)
 953 {
 954         GList *list;
 955         Folder *folder;
 956         struct TotalMsgStatus status;
 957
 958         status.new = status.unread = status.total = 0;
 959         status.str = str;
 960
 961         debug_print("Counting total number of messages...\n");
 962
 963         for (list = folder_list; list != NULL; list = list->next) {
 964                 folder = FOLDER(list->data);
 965                 if (folder->node)
 966                         g_node_traverse(folder->node, G_PRE_ORDER,
 967                                         G_TRAVERSE_ALL, -1,
 968                                         folder_get_status_full_all_func,
 969                                         &status);
 970         }
 971
 972         *new = status.new;
 973         *unread = status.unread;
 974         *total = status.total;
 975 }
 976
 977 gchar *folder_get_status(GPtrArray *folders, gboolean full)
 978 {
 979         guint new, unread, total;
 980         GString *str;
 981         gint i;
 982         gchar *ret;
 983
 984         new = unread = total = 0;
 985
 986         str = g_string_new(NULL);
 987
 988         if (folders) {
 989                 for (i = 0; i < folders->len; i++) {
 990                         FolderItem *item;
 991
 992                         item = g_ptr_array_index(folders, i);
 993                         new += item->new_msgs;
 994                         unread += item->unread_msgs;
 995                         total += item->total_msgs;
 996
 997                         if (full) {
 998                                 gchar *id;
 999
1000                                 id = folder_item_get_identifier(item);
1001                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1002                                                   item->new_msgs, item->unread_msgs,
1003                                                   item->total_msgs, id);
1004                                 g_free(id);
1005                         }
1006                 }
1007         } else {
1008                 folder_get_status_full_all(full ? str : NULL,
1009                                            &new, &unread, &total);
1010         }
1011
1012         if (full)
1013                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1014         else
1015                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1016
1017         ret = str->str;
1018         g_string_free(str, FALSE);
1019
1020         return ret;
1021 }
1022
1023 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1024                              guint *unreadmarked_msgs, guint *marked_msgs,
1025                              guint *total_msgs)
1026 {
1027         struct TotalMsgCount count;
1028
1029         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
1030
1031         debug_print("Counting total number of messages...\n");
1032
1033         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1034
1035         *new_msgs = count.new_msgs;
1036         *unread_msgs = count.unread_msgs;
1037         *unreadmarked_msgs = count.unreadmarked_msgs;
1038         *marked_msgs = count.marked_msgs;
1039         *total_msgs = count.total_msgs;
1040 }
1041
1042 Folder *folder_find_from_path(const gchar *path)
1043 {
1044         GList *list;
1045         Folder *folder;
1046
1047         for (list = folder_list; list != NULL; list = list->next) {
1048                 folder = list->data;
1049                 if ((FOLDER_TYPE(folder) == F_MH ||
1050                      FOLDER_TYPE(folder) == F_MBOX) &&
1051                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1052                         return folder;
1053         }
1054
1055         return NULL;
1056 }
1057
1058 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1059 {
1060         GList *list;
1061         Folder *folder;
1062
1063         for (list = folder_list; list != NULL; list = list->next) {
1064                 folder = list->data;
1065                 if (folder->klass == klass &&
1066                     strcmp2(name, folder->name) == 0)
1067                         return folder;
1068         }
1069
1070         return NULL;
1071 }
1072
1073 static gboolean folder_item_find_func(GNode *node, gpointer data)
1074 {
1075         FolderItem *item = node->data;
1076         gpointer *d = data;
1077         const gchar *path = d[0];
1078
1079         if (path_cmp(path, item->path) != 0)
1080                 return FALSE;
1081
1082         d[1] = item;
1083
1084         return TRUE;
1085 }
1086
1087 FolderItem *folder_find_item_from_path(const gchar *path)
1088 {
1089         Folder *folder;
1090         gpointer d[2];
1091
1092         folder = folder_get_default_folder();
1093         g_return_val_if_fail(folder != NULL, NULL);
1094
1095         d[0] = (gpointer)path;
1096         d[1] = NULL;
1097         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1098                         folder_item_find_func, d);
1099         return d[1];
1100 }
1101
1102 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1103 {
1104         GNode *node;
1105         FolderItem *child;
1106
1107         for (node = item->node->children; node != NULL; node = node->next) {
1108                 gchar *base;
1109                 child = FOLDER_ITEM(node->data);
1110                 base = g_path_get_basename(child->path);
1111                 if (strcmp2(base, name) == 0) {
1112                         g_free(base);
1113                         return child;
1114                 }
1115                 g_free(base);
1116         }
1117
1118         return NULL;
1119 }
1120
1121 FolderClass *folder_get_class_from_string(const gchar *str)
1122 {
1123         GSList *classlist;
1124
1125         classlist = folder_get_class_list();
1126         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1127                 FolderClass *class = (FolderClass *) classlist->data;
1128                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1129                         return class;
1130         }
1131
1132         return NULL;
1133 }
1134
1135 gchar *folder_get_identifier(Folder *folder)
1136 {
1137         gchar *type_str;
1138
1139         g_return_val_if_fail(folder != NULL, NULL);
1140
1141         type_str = folder->klass->idstr;
1142         return g_strconcat("#", type_str, "/", folder->name, NULL);
1143 }
1144
1145 gchar *folder_item_get_identifier(FolderItem *item)
1146 {
1147         gchar *id = NULL;
1148         gchar *folder_id = NULL;
1149
1150         g_return_val_if_fail(item != NULL, NULL);
1151         g_return_val_if_fail(item->path != NULL, NULL);
1152
1153         folder_id = folder_get_identifier(item->folder);
1154         id = g_strconcat(folder_id, "/", item->path, NULL);
1155         g_free(folder_id);
1156
1157         return id;
1158 }
1159
1160 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1161 {
1162         Folder *folder;
1163         gpointer d[2];
1164         gchar *str;
1165         gchar *p;
1166         gchar *name;
1167         gchar *path;
1168         FolderClass *class;
1169
1170         g_return_val_if_fail(identifier != NULL, NULL);
1171
1172         if (*identifier != '#')
1173                 return folder_find_item_from_path(identifier);
1174
1175         Xstrdup_a(str, identifier, return NULL);
1176
1177         p = strchr(str, '/');
1178         if (!p)
1179                 return folder_find_item_from_path(identifier);
1180         *p = '\0';
1181         p++;
1182         class = folder_get_class_from_string(&str[1]);
1183         if (class == NULL)
1184                 return folder_find_item_from_path(identifier);
1185
1186         name = p;
1187         p = strchr(p, '/');
1188         if (!p)
1189                 return folder_find_item_from_path(identifier);
1190         *p = '\0';
1191         p++;
1192
1193         folder = folder_find_from_name(name, class);
1194         if (!folder)
1195                 return folder_find_item_from_path(identifier);
1196
1197         path = p;
1198
1199         d[0] = (gpointer)path;
1200         d[1] = NULL;
1201         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1202                         folder_item_find_func, d);
1203         return d[1];
1204 }
1205
1206 /**
1207  * Get a displayable name for a FolderItem
1208  *
1209  * \param item FolderItem for that a name should be created
1210  * \return Displayable name for item, returned string has to
1211  *         be freed
1212  */
1213 gchar *folder_item_get_name(FolderItem *item)
1214 {
1215         gchar *name = NULL;
1216
1217         g_return_val_if_fail(item != NULL, g_strdup(""));
1218
1219         switch (item->stype) {
1220         case F_INBOX:
1221                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1222                                 item->name);
1223                 break;
1224         case F_OUTBOX:
1225                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1226                                 item->name);
1227                 break;
1228         case F_QUEUE:
1229                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1230                                 item->name);
1231                 break;
1232         case F_TRASH:
1233                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1234                                 item->name);
1235                 break;
1236         case F_DRAFT:
1237                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1238                                 item->name);
1239                 break;
1240         default:
1241                 break;
1242         }
1243
1244         if (name == NULL) {
1245                 /*
1246                  * should probably be done by a virtual function,
1247                  * the folder knows the ui string and how to abbrev
1248                 */
1249                 if (folder_item_parent(item) == NULL) {
1250                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1251                 } else {
1252                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1253                             item->path && !strcmp2(item->name, item->path))
1254                                 name = get_abbrev_newsgroup_name
1255                                         (item->path,
1256                                          prefs_common.ng_abbrev_len);
1257                         else
1258                                 name = g_strdup(item->name);
1259                 }
1260         }
1261
1262         if (name == NULL)
1263                 name = g_strdup("");
1264
1265         return name;
1266 }
1267
1268 Folder *folder_get_default_folder(void)
1269 {
1270         return folder_list ? FOLDER(folder_list->data) : NULL;
1271 }
1272
1273 gboolean folder_have_mailbox (void)
1274 {
1275         GList *cur;
1276         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1277                 Folder *folder = FOLDER(cur->data);
1278                 if (folder->inbox && folder->outbox)
1279                         return TRUE;
1280         }
1281         return FALSE;
1282 }
1283
1284 FolderItem *folder_get_default_inbox(void)
1285 {
1286         GList *flist;
1287
1288         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1289                 Folder * folder = FOLDER(flist->data);
1290
1291                 if (folder == NULL)
1292                         continue;
1293                 if (folder->inbox == NULL)
1294                         continue;
1295
1296                 return folder->inbox;
1297         }
1298
1299         return NULL;
1300 }
1301
1302 FolderItem *folder_get_default_outbox(void)
1303 {
1304         GList *flist;
1305
1306         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1307                 Folder * folder = FOLDER(flist->data);
1308
1309                 if (folder == NULL)
1310                         continue;
1311                 if (folder->outbox == NULL)
1312                         continue;
1313
1314                 return folder->outbox;
1315         }
1316
1317         return NULL;
1318 }
1319
1320 FolderItem *folder_get_default_draft(void)
1321 {
1322         GList *flist;
1323
1324         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1325                 Folder * folder = FOLDER(flist->data);
1326
1327                 if (folder == NULL)
1328                         continue;
1329                 if (folder->draft == NULL)
1330                         continue;
1331
1332                 return folder->draft;
1333         }
1334
1335         return NULL;
1336 }
1337
1338 FolderItem *folder_get_default_queue(void)
1339 {
1340         GList *flist;
1341
1342         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1343                 Folder * folder = FOLDER(flist->data);
1344
1345                 if (folder == NULL)
1346                         continue;
1347                 if (folder->queue == NULL)
1348                         continue;
1349
1350                 return folder->queue;
1351         }
1352
1353         return NULL;
1354 }
1355
1356 FolderItem *folder_get_default_trash(void)
1357 {
1358         GList *flist;
1359
1360         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1361                 Folder * folder = FOLDER(flist->data);
1362
1363                 if (folder == NULL)
1364                         continue;
1365                 if (folder->trash == NULL)
1366                         continue;
1367
1368                 return folder->trash;
1369         }
1370
1371         return NULL;
1372 }
1373
1374 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1375 {                                                               \
1376         if (!folder->member) {                                  \
1377                 item = folder_item_new(folder, dir, dir);       \
1378                 item->stype = type;                             \
1379                 folder_item_append(rootitem, item);             \
1380                 folder->member = item;                          \
1381         }                                                       \
1382 }
1383
1384 void folder_set_missing_folders(void)
1385 {
1386         Folder *folder;
1387         FolderItem *rootitem;
1388         FolderItem *item;
1389         GList *list;
1390
1391         for (list = folder_list; list != NULL; list = list->next) {
1392                 folder = list->data;
1393                 if (FOLDER_TYPE(folder) != F_MH) continue;
1394                 rootitem = FOLDER_ITEM(folder->node->data);
1395                 g_return_if_fail(rootitem != NULL);
1396
1397                 if (folder->inbox && folder->outbox && folder->draft &&
1398                     folder->queue && folder->trash)
1399                         continue;
1400
1401                 if (folder->klass->create_tree(folder) < 0) {
1402                         g_warning("%s: can't create the folder tree.\n",
1403                                   LOCAL_FOLDER(folder)->rootpath);
1404                         continue;
1405                 }
1406
1407                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1408                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1409                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1410                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1411                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1412         }
1413 }
1414
1415 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1416 {
1417         FolderItem *item = node->data;
1418         PrefsAccount *account = data;
1419
1420         if (item->account == account)
1421                 item->account = NULL;
1422
1423         return FALSE;
1424 }
1425
1426 void folder_unref_account_all(PrefsAccount *account)
1427 {
1428         Folder *folder;
1429         GList *list;
1430
1431         if (!account) return;
1432
1433         for (list = folder_list; list != NULL; list = list->next) {
1434                 folder = list->data;
1435                 if (folder->account == account)
1436                         folder->account = NULL;
1437                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1438                                 folder_unref_account_func, account);
1439         }
1440 }
1441
1442 #undef CREATE_FOLDER_IF_NOT_EXIST
1443
1444 gchar *folder_item_get_path(FolderItem *item)
1445 {
1446         Folder *folder;
1447
1448         g_return_val_if_fail(item != NULL, NULL);
1449         folder = item->folder;
1450         g_return_val_if_fail(folder != NULL, NULL);
1451
1452         return folder->klass->item_get_path(folder, item);
1453 }
1454
1455 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1456 {
1457         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1458               folder_has_parent_of_type(dest, F_QUEUE)  ||
1459               folder_has_parent_of_type(dest, F_DRAFT) ||
1460               folder_has_parent_of_type(dest, F_TRASH))) {
1461                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1462         } else {
1463                 flags->perm_flags = 0;
1464         }
1465         if (FOLDER_TYPE(dest->folder) == F_MH) {
1466                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1467                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1468                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1469                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1470                 }
1471         }
1472 }
1473
1474 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1475 {
1476         MsgInfo *msginfo_a = (MsgInfo *) a;
1477         MsgInfo *msginfo_b = (MsgInfo *) b;
1478
1479         return (msginfo_a->msgnum - msginfo_b->msgnum);
1480 }
1481
1482 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1483 {
1484         guint gint_a = GPOINTER_TO_INT(a);
1485         guint gint_b = GPOINTER_TO_INT(b);
1486
1487         return (gint_a - gint_b);
1488 }
1489
1490 void folder_item_process_open (FolderItem *item,
1491                                  void (*before_proc_func)(gpointer data),
1492                                  void (*after_proc_func)(gpointer data),
1493                                  gpointer data)
1494 {
1495         gchar *buf;
1496         if (item == NULL)
1497                 return;
1498         if((item->folder->klass->scan_required != NULL) &&
1499            (item->folder->klass->scan_required(item->folder, item))) {
1500                 folder_item_scan_full(item, TRUE);
1501         } else {
1502                 folder_item_syncronize_flags(item);
1503         }
1504
1505         /* Processing */
1506         buf = g_strdup_printf(_("Processing (%s)...\n"),
1507                               item->path ? item->path : item->name);
1508         debug_print("%s\n", buf);
1509         g_free(buf);
1510
1511         if (before_proc_func)
1512                 before_proc_func(data);
1513
1514         folder_item_apply_processing(item);
1515
1516         if (after_proc_func)
1517                 after_proc_func(data);
1518
1519         debug_print("done.\n");
1520         item->processing_pending = FALSE;
1521         return;
1522 }
1523
1524 gint folder_item_open(FolderItem *item)
1525 {
1526         if (item->no_select)
1527                 return -1;
1528
1529         item->processing_pending = TRUE;
1530         folder_item_process_open (item, NULL, NULL, NULL);
1531
1532         item->opened = TRUE;
1533
1534         return 0;
1535 }
1536
1537 gint folder_item_close(FolderItem *item)
1538 {
1539         GSList *mlist, *cur;
1540         Folder *folder;
1541
1542         g_return_val_if_fail(item != NULL, -1);
1543
1544         if (item->no_select)
1545                 return -1;
1546
1547         if (item->new_msgs) {
1548                 folder_item_update_freeze();
1549                 mlist = folder_item_get_msg_list(item);
1550                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1551                         MsgInfo * msginfo;
1552
1553                         msginfo = (MsgInfo *) cur->data;
1554                         if (MSG_IS_NEW(msginfo->flags))
1555                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1556                         procmsg_msginfo_free(msginfo);
1557                 }
1558                 g_slist_free(mlist);
1559                 folder_item_update_thaw();
1560         }
1561
1562         folder_item_write_cache(item);
1563
1564         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1565
1566         item->opened = FALSE;
1567         folder = item->folder;
1568
1569         if (folder->klass->close == NULL)
1570                 return 0;
1571
1572         return folder->klass->close(folder, item);
1573 }
1574
1575 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1576 {
1577         MsgInfoList *msglist = NULL;
1578         Folder *folder = item->folder;
1579         if (item->no_select)
1580                 return NULL;
1581
1582         if (folder->klass->get_msginfos != NULL)
1583                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1584         else {
1585                 MsgNumberList *elem;
1586
1587                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1588                         MsgInfo *msginfo;
1589                         guint num;
1590
1591                         num = GPOINTER_TO_INT(elem->data);
1592                         msginfo = folder->klass->get_msginfo(folder, item, num);
1593                         if (msginfo != NULL)
1594                                 msglist = g_slist_prepend(msglist, msginfo);
1595                 }
1596         }
1597
1598         return msglist;
1599 }
1600
1601 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1602 {
1603         MsgNumberList numlist;
1604         MsgInfoList *msglist;
1605         MsgInfo *msginfo = NULL;
1606
1607         numlist.data = GINT_TO_POINTER(num);
1608         numlist.next = NULL;
1609         msglist = get_msginfos(item, &numlist);
1610         if (msglist != NULL)
1611                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1612         procmsg_msg_list_free(msglist);
1613
1614         return msginfo;
1615 }
1616
1617 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1618 {
1619         GRelation *relation;
1620         gint ret = 0;
1621         GSList *cur;
1622
1623         if(msglist == NULL)
1624                 return 0;
1625         if(item->folder->klass->get_flags == NULL)
1626                 return 0;
1627         if (item->no_select)
1628                 return 0;
1629
1630         relation = g_relation_new(2);
1631         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1632         folder_item_set_batch(item, TRUE);
1633         if ((ret = item->folder->klass->get_flags(
1634             item->folder, item, msglist, relation)) == 0) {
1635                 GTuples *tuples;
1636                 MsgInfo *msginfo;
1637                 MsgPermFlags permflags = 0;
1638                 gboolean skip;
1639
1640                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1641                         msginfo = (MsgInfo *) cur->data;
1642
1643                         tuples = g_relation_select(relation, msginfo, 0);
1644                         skip = tuples->len < 1;
1645                         if (!skip)
1646                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1647                         g_tuples_destroy(tuples);
1648                         if (skip)
1649                                 continue;
1650
1651                         if (msginfo->flags.perm_flags != permflags) {
1652                                 procmsg_msginfo_change_flags(msginfo,
1653                                         permflags & ~msginfo->flags.perm_flags, 0,
1654                                         ~permflags & msginfo->flags.perm_flags, 0);
1655                         }
1656                 }
1657         }
1658         folder_item_set_batch(item, FALSE);
1659         g_relation_destroy(relation);
1660
1661         return ret;
1662 }
1663
1664 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1665 {
1666         Folder *folder;
1667         GSList *folder_list = NULL, *cache_list = NULL;
1668         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1669         GSList *exists_list = NULL, *elem;
1670         GSList *newmsg_list = NULL;
1671         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1672         guint markedcnt = 0, unreadmarkedcnt = 0;
1673         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1674         gboolean update_flags = 0, old_uids_valid = FALSE;
1675
1676         g_return_val_if_fail(item != NULL, -1);
1677         if (item->path == NULL) return -1;
1678
1679         folder = item->folder;
1680
1681         g_return_val_if_fail(folder != NULL, -1);
1682         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1683
1684         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1685
1686         /* Get list of messages for folder and cache */
1687         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1688                 debug_print("Error fetching list of message numbers\n");
1689                 return(-1);
1690         }
1691
1692         if (old_uids_valid) {
1693                 if (!item->cache)
1694                         folder_item_read_cache(item);
1695                 cache_list = msgcache_get_msg_list(item->cache);
1696         } else {
1697                 if (item->cache)
1698                         msgcache_destroy(item->cache);
1699                 item->cache = msgcache_new();
1700                 cache_list = NULL;
1701         }
1702
1703         /* Sort both lists */
1704         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1705         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1706
1707         cache_list_cur = cache_list;
1708         folder_list_cur = folder_list;
1709
1710         if (cache_list_cur != NULL) {
1711                 GSList *cache_list_last;
1712
1713                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1714                 cache_list_last = g_slist_last(cache_list);
1715                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1716         } else {
1717                 cache_cur_num = G_MAXINT;
1718                 cache_max_num = 0;
1719         }
1720
1721         if (folder_list_cur != NULL) {
1722                 GSList *folder_list_last;
1723
1724                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1725                 folder_list_last = g_slist_last(folder_list);
1726                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1727         } else {
1728                 folder_cur_num = G_MAXINT;
1729                 folder_max_num = 0;
1730         }
1731
1732         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1733                 /*
1734                  *  Message only exists in the folder
1735                  *  Remember message for fetching
1736                  */
1737                 if (folder_cur_num < cache_cur_num) {
1738                         gboolean add = FALSE;
1739
1740                         switch(FOLDER_TYPE(folder)) {
1741                                 case F_NEWS:
1742                                         if (folder_cur_num < cache_max_num)
1743                                                 break;
1744
1745                                         if (folder->account->max_articles == 0) {
1746                                                 add = TRUE;
1747                                         }
1748
1749                                         if (folder_max_num <= folder->account->max_articles) {
1750                                                 add = TRUE;
1751                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1752                                                 add = TRUE;
1753                                         }
1754                                         break;
1755                                 default:
1756                                         add = TRUE;
1757                                         break;
1758                         }
1759
1760                         if (add) {
1761                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1762                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1763                         }
1764
1765                         /* Move to next folder number */
1766                         folder_list_cur = folder_list_cur->next;
1767
1768                         if (folder_list_cur != NULL)
1769                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1770                         else
1771                                 folder_cur_num = G_MAXINT;
1772
1773                         continue;
1774                 }
1775
1776                 /*
1777                  *  Message only exists in the cache
1778                  *  Remove the message from the cache
1779                  */
1780                 if (cache_cur_num < folder_cur_num) {
1781                         msgcache_remove_msg(item->cache, cache_cur_num);
1782                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1783
1784                         /* Move to next cache number */
1785                         cache_list_cur = cache_list_cur->next;
1786
1787                         if (cache_list_cur != NULL)
1788                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1789                         else
1790                                 cache_cur_num = G_MAXINT;
1791
1792                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1793
1794                         continue;
1795                 }
1796
1797                 /*
1798                  *  Message number exists in folder and cache!
1799                  *  Check if the message has been modified
1800                  */
1801                 if (cache_cur_num == folder_cur_num) {
1802                         MsgInfo *msginfo;
1803
1804                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1805                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1806                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1807                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1808                                 procmsg_msginfo_free(msginfo);
1809
1810                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1811                         } else
1812                                 exists_list = g_slist_prepend(exists_list, msginfo);
1813
1814                         /* Move to next folder and cache number */
1815                         cache_list_cur = cache_list_cur->next;
1816                         folder_list_cur = folder_list_cur->next;
1817
1818                         if (cache_list_cur != NULL)
1819                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1820                         else
1821                                 cache_cur_num = G_MAXINT;
1822
1823                         if (folder_list_cur != NULL)
1824                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1825                         else
1826                                 folder_cur_num = G_MAXINT;
1827
1828                         continue;
1829                 }
1830         }
1831
1832         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1833                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1834
1835         g_slist_free(cache_list);
1836         g_slist_free(folder_list);
1837
1838         if (new_list != NULL) {
1839                 GSList *tmp_list = NULL;
1840                 newmsg_list = get_msginfos(item, new_list);
1841                 g_slist_free(new_list);
1842                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
1843                 syncronize_flags(item, tmp_list);
1844                 g_slist_free(tmp_list);
1845         } else {
1846                 syncronize_flags(item, exists_list);
1847         }
1848
1849         folder_item_update_freeze();
1850         if (newmsg_list != NULL) {
1851                 GSList *elem, *to_filter = NULL;
1852                 int total = g_slist_length(newmsg_list), cur = 0;
1853
1854                 if ((filtering == TRUE) &&
1855                     (item->stype == F_INBOX) &&
1856                     (item->folder->account != NULL) &&
1857                     (item->folder->account->filter_on_recv))
1858                         statusbar_print_all(_("Filtering messages...\n"));
1859
1860                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1861                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1862
1863                         statusbar_progress_all(cur++,total, 10);
1864
1865                         msgcache_add_msg(item->cache, msginfo);
1866                         if ((filtering == TRUE) &&
1867                             (item->stype == F_INBOX) &&
1868                             (item->folder->account != NULL) &&
1869                             (item->folder->account->filter_on_recv) &&
1870                             procmsg_msginfo_filter(msginfo))
1871                                 to_filter = g_slist_prepend(to_filter, msginfo);
1872                         else
1873                                 exists_list = g_slist_prepend(exists_list, msginfo);
1874                 }
1875                 filtering_move_and_copy_msgs(to_filter);
1876                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
1877                         MsgInfo *msginfo = (MsgInfo *)elem->data;
1878                         procmsg_msginfo_free(msginfo);
1879                 }
1880
1881                 g_slist_free(to_filter);
1882                 g_slist_free(newmsg_list);
1883
1884                 statusbar_progress_all(0,0,0);
1885                 statusbar_pop_all();
1886                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1887         }
1888
1889         folder_item_set_batch(item, TRUE);
1890         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1891                 MsgInfo *msginfo;
1892
1893                 msginfo = elem->data;
1894                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1895                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1896                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1897                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
1898                 }
1899                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
1900                      folder_has_parent_of_type(item, F_QUEUE)  ||
1901                      folder_has_parent_of_type(item, F_DRAFT)  ||
1902                      folder_has_parent_of_type(item, F_TRASH)) &&
1903                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1904                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1905                 if (MSG_IS_NEW(msginfo->flags))
1906                         newcnt++;
1907                 if (MSG_IS_UNREAD(msginfo->flags))
1908                         unreadcnt++;
1909                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1910                         unreadmarkedcnt++;
1911                 if (MSG_IS_MARKED(msginfo->flags))
1912                         markedcnt++;
1913
1914                 totalcnt++;
1915
1916                 procmsg_msginfo_free(msginfo);
1917         }
1918         folder_item_set_batch(item, FALSE);
1919         g_slist_free(exists_list);
1920
1921         item->new_msgs = newcnt;
1922         item->unread_msgs = unreadcnt;
1923         item->total_msgs = totalcnt;
1924         item->unreadmarked_msgs = unreadmarkedcnt;
1925         item->marked_msgs = markedcnt;
1926
1927         update_flags |= F_ITEM_UPDATE_MSGCNT;
1928
1929         folder_item_update(item, update_flags);
1930         folder_item_update_thaw();
1931
1932         return 0;
1933 }
1934
1935 gint folder_item_scan(FolderItem *item)
1936 {
1937         return folder_item_scan_full(item, TRUE);
1938 }
1939
1940 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1941 {
1942         FolderItem *item = node->data;
1943
1944         folder_item_scan(item);
1945
1946         return FALSE;
1947 }
1948
1949 void folder_scan_all_items(Folder * folder)
1950 {
1951         g_node_traverse(folder->node, G_PRE_ORDER,
1952                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1953 }
1954
1955 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1956                                           gpointer data)
1957 {
1958         folder_item_scan(FOLDER_ITEM(key));
1959 }
1960
1961 void folder_item_scan_foreach(GHashTable *table)
1962 {
1963         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1964 }
1965
1966 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1967 {
1968         gint *memusage = (gint *)data;
1969
1970         if (item->cache == NULL)
1971                 return;
1972
1973         *memusage += msgcache_get_memory_usage(item->cache);
1974 }
1975
1976 gint folder_item_syncronize_flags(FolderItem *item)
1977 {
1978         MsgInfoList *msglist = NULL;
1979         GSList *cur;
1980         gint ret = 0;
1981
1982         g_return_val_if_fail(item != NULL, -1);
1983         g_return_val_if_fail(item->folder != NULL, -1);
1984         g_return_val_if_fail(item->folder->klass != NULL, -1);
1985         if (item->no_select)
1986                 return -1;
1987
1988         if (item->cache == NULL)
1989                 folder_item_read_cache(item);
1990
1991         msglist = msgcache_get_msg_list(item->cache);
1992
1993         ret = syncronize_flags(item, msglist);
1994
1995         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1996                 procmsg_msginfo_free((MsgInfo *) cur->data);
1997
1998         g_slist_free(msglist);
1999
2000         return ret;
2001 }
2002
2003 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2004 {
2005         FolderItem *fa = (FolderItem *)a;
2006         FolderItem *fb = (FolderItem *)b;
2007
2008         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2009 }
2010
2011 void folder_find_expired_caches(FolderItem *item, gpointer data)
2012 {
2013         GSList **folder_item_list = (GSList **)data;
2014         gint difftime, expiretime;
2015
2016         if (item->cache == NULL)
2017                 return;
2018
2019         if (item->opened > 0)
2020                 return;
2021
2022         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2023         expiretime = prefs_common.cache_min_keep_time * 60;
2024         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2025         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2026                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2027         }
2028 }
2029
2030 void folder_item_free_cache(FolderItem *item)
2031 {
2032         g_return_if_fail(item != NULL);
2033
2034         if (item->cache == NULL)
2035                 return;
2036
2037         if (item->opened > 0)
2038                 return;
2039
2040         folder_item_write_cache(item);
2041         msgcache_destroy(item->cache);
2042         item->cache = NULL;
2043 }
2044
2045 void folder_clean_cache_memory_force(void)
2046 {
2047         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2048         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2049
2050         prefs_common.cache_max_mem_usage = 0;
2051         prefs_common.cache_min_keep_time = 0;
2052
2053         folder_clean_cache_memory(NULL);
2054
2055         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2056         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2057 }
2058
2059 void folder_clean_cache_memory(FolderItem *protected_item)
2060 {
2061         gint memusage = 0;
2062
2063         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2064         debug_print("Total cache memory usage: %d\n", memusage);
2065
2066         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2067                 GSList *folder_item_list = NULL, *listitem;
2068
2069                 debug_print("Trying to free cache memory\n");
2070
2071                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2072                 listitem = folder_item_list;
2073                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2074                         FolderItem *item = (FolderItem *)(listitem->data);
2075                         if (item == protected_item) {
2076                                 listitem = listitem->next;
2077                                 continue;
2078                         }
2079                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2080                         memusage -= msgcache_get_memory_usage(item->cache);
2081                         folder_item_free_cache(item);
2082                         listitem = listitem->next;
2083                 }
2084                 g_slist_free(folder_item_list);
2085         }
2086 }
2087
2088 void folder_item_read_cache(FolderItem *item)
2089 {
2090         gchar *cache_file, *mark_file;
2091
2092         g_return_if_fail(item != NULL);
2093
2094         if (item->path != NULL) {
2095                 cache_file = folder_item_get_cache_file(item);
2096                 mark_file = folder_item_get_mark_file(item);
2097                 item->cache = msgcache_read_cache(item, cache_file);
2098                 if (!item->cache) {
2099                         MsgInfoList *list, *cur;
2100                         guint newcnt = 0, unreadcnt = 0;
2101                         guint markedcnt = 0, unreadmarkedcnt = 0;
2102                         MsgInfo *msginfo;
2103
2104                         item->cache = msgcache_new();
2105                         folder_item_scan_full(item, TRUE);
2106
2107                         msgcache_read_mark(item->cache, mark_file);
2108
2109                         list = msgcache_get_msg_list(item->cache);
2110                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2111                                 msginfo = cur->data;
2112
2113                                 if (MSG_IS_NEW(msginfo->flags))
2114                                         newcnt++;
2115                                 if (MSG_IS_UNREAD(msginfo->flags))
2116                                         unreadcnt++;
2117                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2118                                         unreadmarkedcnt++;
2119                                 if (MSG_IS_MARKED(msginfo->flags))
2120                                         markedcnt++;
2121                         }
2122                         item->new_msgs = newcnt;
2123                         item->unread_msgs = unreadcnt;
2124                         item->unreadmarked_msgs = unreadmarkedcnt;
2125                         item->marked_msgs = markedcnt;
2126                         procmsg_msg_list_free(list);
2127                 } else
2128                         msgcache_read_mark(item->cache, mark_file);
2129
2130                 g_free(cache_file);
2131                 g_free(mark_file);
2132         } else {
2133                 item->cache = msgcache_new();
2134         }
2135
2136         folder_clean_cache_memory(item);
2137 }
2138
2139 void folder_item_write_cache(FolderItem *item)
2140 {
2141         gchar *cache_file, *mark_file;
2142         FolderItemPrefs *prefs;
2143         gint filemode = 0;
2144         gchar *id;
2145
2146         if (!item || !item->path || !item->cache)
2147                 return;
2148
2149         id = folder_item_get_identifier(item);
2150         debug_print("Save cache for folder %s\n", id);
2151         g_free(id);
2152
2153         cache_file = folder_item_get_cache_file(item);
2154         mark_file = folder_item_get_mark_file(item);
2155         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2156                 prefs = item->prefs;
2157                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2158                         /* for cache file */
2159                         filemode = prefs->folder_chmod;
2160                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2161                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2162                         chmod(cache_file, filemode);
2163                 }
2164         }
2165
2166         g_free(cache_file);
2167         g_free(mark_file);
2168 }
2169
2170 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2171 {
2172         Folder *folder;
2173         MsgInfo *msginfo = NULL;
2174
2175         g_return_val_if_fail(item != NULL, NULL);
2176         if (item->no_select)
2177                 return NULL;
2178         folder = item->folder;
2179         if (!item->cache)
2180                 folder_item_read_cache(item);
2181
2182         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2183                 return msginfo;
2184
2185         msginfo = get_msginfo(item, num);
2186         if (msginfo != NULL) {
2187                 msgcache_add_msg(item->cache, msginfo);
2188                 return msginfo;
2189         }
2190
2191         return NULL;
2192 }
2193
2194 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2195 {
2196         Folder *folder;
2197         MsgInfo *msginfo;
2198
2199         g_return_val_if_fail(item != NULL, NULL);
2200         g_return_val_if_fail(msgid != NULL, NULL);
2201         if (item->no_select)
2202                 return FALSE;
2203
2204         folder = item->folder;
2205         if (!item->cache)
2206                 folder_item_read_cache(item);
2207
2208         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2209                 return msginfo;
2210
2211         return NULL;
2212 }
2213
2214 GSList *folder_item_get_msg_list(FolderItem *item)
2215 {
2216         g_return_val_if_fail(item != NULL, NULL);
2217         if (item->no_select)
2218                 return FALSE;
2219
2220         if (item->cache == 0)
2221                 folder_item_read_cache(item);
2222
2223         g_return_val_if_fail(item->cache != NULL, NULL);
2224
2225         return msgcache_get_msg_list(item->cache);
2226 }
2227
2228 void msginfo_set_mime_flags(GNode *node, gpointer data)
2229 {
2230         MsgInfo *msginfo = data;
2231         MimeInfo *mimeinfo = node->data;
2232
2233         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2234          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2235                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2236         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2237                  mimeinfo->type != MIMETYPE_TEXT &&
2238                  mimeinfo->type != MIMETYPE_MULTIPART) {
2239                 if (!mimeinfo->subtype
2240                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2241                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2242         }
2243
2244         /* don't descend below top level message for signed and encrypted info */
2245         if (mimeinfo->type == MIMETYPE_MESSAGE)
2246                 return;
2247
2248         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2249                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2250         }
2251
2252         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2253                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2254         } else {
2255                 /* searching inside encrypted parts doesn't really make sense */
2256                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2257         }
2258 }
2259
2260 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2261 {
2262         Folder *folder;
2263         gchar *msgfile;
2264         MsgInfo *msginfo;
2265
2266         g_return_val_if_fail(item != NULL, NULL);
2267
2268         folder = item->folder;
2269
2270         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2271         if (item->no_select)
2272                 return NULL;
2273
2274         msgfile = folder->klass->fetch_msg(folder, item, num);
2275
2276         if (msgfile != NULL) {
2277                 msginfo = folder_item_get_msginfo(item, num);
2278                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2279                         MimeInfo *mimeinfo;
2280
2281                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2282                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2283                                 mimeinfo = procmime_scan_file(msgfile);
2284                         else
2285                                 mimeinfo = procmime_scan_queue_file(msgfile);
2286                         /* check for attachments */
2287                         if (mimeinfo != NULL) {
2288                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2289                                 procmime_mimeinfo_free_all(mimeinfo);
2290
2291                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2292                         }
2293                 }
2294         }
2295
2296         return msgfile;
2297 }
2298
2299 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2300                                   gboolean body)
2301 {
2302         Folder *folder;
2303         gchar *msgfile;
2304         MsgInfo *msginfo;
2305
2306         g_return_val_if_fail(item != NULL, NULL);
2307         if (item->no_select)
2308                 return NULL;
2309
2310         folder = item->folder;
2311
2312         if (folder->klass->fetch_msg_full == NULL)
2313                 return folder_item_fetch_msg(item, num);
2314
2315         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2316                                                 headers, body);
2317
2318         if (msgfile != NULL) {
2319                 msginfo = folder_item_get_msginfo(item, num);
2320                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2321                         MimeInfo *mimeinfo;
2322
2323                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2324                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2325                                 mimeinfo = procmime_scan_file(msgfile);
2326                         else
2327                                 mimeinfo = procmime_scan_queue_file(msgfile);
2328                         /* check for attachments */
2329                         if (mimeinfo != NULL) {
2330                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2331                                 procmime_mimeinfo_free_all(mimeinfo);
2332
2333                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2334                         }
2335                 }
2336         }
2337
2338         return msgfile;
2339 }
2340
2341
2342 gint folder_item_fetch_all_msg(FolderItem *item)
2343 {
2344         Folder *folder;
2345         GSList *mlist;
2346         GSList *cur;
2347         gint num = 0;
2348         gint ret = 0;
2349         gint total = 0;
2350
2351         g_return_val_if_fail(item != NULL, -1);
2352         if (item->no_select)
2353                 return -1;
2354
2355         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2356         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2357
2358         folder = item->folder;
2359
2360         if (folder->ui_func)
2361                 folder->ui_func(folder, item, folder->ui_func_data ?
2362                                 folder->ui_func_data : GINT_TO_POINTER(num));
2363
2364         mlist = folder_item_get_msg_list(item);
2365
2366         total = g_slist_length(mlist);
2367
2368         for (cur = mlist; cur != NULL; cur = cur->next) {
2369                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2370                 gchar *msg;
2371
2372                 statusbar_progress_all(num++,total, 10);
2373
2374                 if (folder->ui_func)
2375                         folder->ui_func(folder, item,
2376                                         folder->ui_func_data ?
2377                                         folder->ui_func_data :
2378                                         GINT_TO_POINTER(num));
2379
2380                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2381                 if (!msg) {
2382                         g_warning("Can't fetch message %d. Aborting.\n",
2383                                   msginfo->msgnum);
2384                         ret = -1;
2385                         break;
2386                 }
2387                 g_free(msg);
2388         }
2389
2390         statusbar_progress_all(0,0,0);
2391         statusbar_pop_all();
2392         procmsg_msg_list_free(mlist);
2393
2394         return ret;
2395 }
2396
2397 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2398 {
2399         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2400                                        {NULL,           NULL, FALSE}};
2401         FILE *fp;
2402         MsgInfo *msginfo;
2403         gint msgnum = 0;
2404         gchar buf[BUFFSIZE];
2405
2406         if ((fp = g_fopen(file, "rb")) == NULL)
2407                 return 0;
2408
2409         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2410             (folder_has_parent_of_type(dest, F_DRAFT)))
2411                 while (fgets(buf, sizeof(buf), fp) != NULL)
2412                         if (buf[0] == '\r' || buf[0] == '\n') break;
2413
2414         procheader_get_header_fields(fp, hentry);
2415         if (hentry[0].body) {
2416                 extract_parenthesis(hentry[0].body, '<', '>');
2417                 remove_space(hentry[0].body);
2418                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2419                         msgnum = msginfo->msgnum;
2420                         procmsg_msginfo_free(msginfo);
2421
2422                         debug_print("found message as uid %d\n", msgnum);
2423                 }
2424         }
2425
2426         g_free(hentry[0].body);
2427         hentry[0].body = NULL;
2428         fclose(fp);
2429
2430         return msgnum;
2431 }
2432
2433 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2434 {
2435         MsgPermFlags perm_flags = 0;
2436         MsgTmpFlags tmp_flags = 0;
2437
2438         /* create new flags */
2439         if (source != NULL) {
2440                 /* copy original flags */
2441                 perm_flags = source->flags.perm_flags;
2442                 tmp_flags = source->flags.tmp_flags;
2443         } else {
2444                 perm_flags = dest->flags.perm_flags;
2445                 tmp_flags = dest->flags.tmp_flags;
2446         }
2447
2448         /* remove new, unread and deleted in special folders */
2449         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2450             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2451             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2452             folder_has_parent_of_type(dest->folder, F_TRASH))
2453                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2454
2455         /* set ignore flag of ignored parent exists */
2456         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2457                 perm_flags |= MSG_IGNORE_THREAD;
2458
2459         /* Unset tmp flags that should not be copied */
2460         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
2461
2462         /* unset flags that are set but should not */
2463         /* and set new flags */
2464         procmsg_msginfo_change_flags(dest,
2465                                   ~dest->flags.perm_flags & perm_flags,
2466                                   ~dest->flags.tmp_flags  & tmp_flags,
2467                                    dest->flags.perm_flags & ~perm_flags,
2468                                    dest->flags.tmp_flags  & ~tmp_flags);
2469 }
2470
2471 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2472 {
2473         /* update folder stats */
2474         if (MSG_IS_NEW(newmsginfo->flags))
2475                 item->new_msgs++;
2476         if (MSG_IS_UNREAD(newmsginfo->flags))
2477                 item->unread_msgs++;
2478         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2479                 item->unreadmarked_msgs++;
2480         if (MSG_IS_MARKED(newmsginfo->flags))
2481                 item->marked_msgs++;
2482         item->total_msgs++;
2483
2484         folder_item_update_freeze();
2485
2486         if (!item->cache)
2487                 folder_item_read_cache(item);
2488
2489         msgcache_add_msg(item->cache, newmsginfo);
2490         copy_msginfo_flags(flagsource, newmsginfo);
2491         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2492         folder_item_update_thaw();
2493 }
2494
2495 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2496 {
2497         MsgInfoUpdate msginfo_update;
2498
2499         if (!item->cache)
2500                 folder_item_read_cache(item);
2501
2502         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2503                 msginfo->folder->new_msgs--;
2504         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2505                 msginfo->folder->unread_msgs--;
2506         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2507                 msginfo->folder->unreadmarked_msgs--;
2508         if (MSG_IS_MARKED(msginfo->flags))
2509                 item->marked_msgs--;
2510
2511         msginfo->folder->total_msgs--;
2512
2513         msginfo_update.msginfo = msginfo;
2514         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2515         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2516
2517         msgcache_remove_msg(item->cache, msginfo->msgnum);
2518         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2519 }
2520
2521 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2522                          MsgFlags *flags, gboolean remove_source)
2523 {
2524         GSList file_list;
2525         MsgFileInfo fileinfo;
2526
2527         g_return_val_if_fail(dest != NULL, -1);
2528         g_return_val_if_fail(file != NULL, -1);
2529
2530         fileinfo.msginfo = NULL;
2531         fileinfo.file = (gchar *)file;
2532         fileinfo.flags = flags;
2533         file_list.data = &fileinfo;
2534         file_list.next = NULL;
2535
2536         return folder_item_add_msgs(dest, &file_list, remove_source);
2537 }
2538
2539 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2540                           gboolean remove_source)
2541 {
2542         Folder *folder;
2543         gint ret, num, lastnum = -1;
2544         GSList *file_cur;
2545         GRelation *relation;
2546         MsgFileInfo *fileinfo = NULL;
2547         gboolean folderscan = FALSE;
2548
2549         g_return_val_if_fail(dest != NULL, -1);
2550         g_return_val_if_fail(file_list != NULL, -1);
2551         g_return_val_if_fail(dest->folder != NULL, -1);
2552         if (dest->no_select)
2553                 return -1;
2554
2555         folder = dest->folder;
2556
2557         relation = g_relation_new(2);
2558         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2559
2560         if (folder->klass->add_msgs != NULL) {
2561                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2562                 if (ret < 0) {
2563                         g_relation_destroy(relation);
2564                         return ret;
2565                 }
2566         } else {
2567                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2568                         fileinfo = (MsgFileInfo *) file_cur->data;
2569
2570                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2571                         if (ret < 0) {
2572                                 g_relation_destroy(relation);
2573                                 return ret;
2574                         }
2575                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2576                 }
2577         }
2578
2579         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2580                 GTuples *tuples;
2581
2582                 fileinfo = (MsgFileInfo *) file_cur->data;
2583                 tuples = g_relation_select(relation, fileinfo, 0);
2584                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2585                 g_tuples_destroy(tuples);
2586
2587                 if (num >= 0) {
2588                         MsgInfo *newmsginfo;
2589
2590                         if (num == 0) {
2591                                 if (!folderscan) {
2592                                         folder_item_scan_full(dest, FALSE);
2593                                         folderscan = TRUE;
2594                                 }
2595                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2596                         }
2597
2598                         if (num > lastnum)
2599                                 lastnum = num;
2600
2601                         if (num >= 0 && remove_source) {
2602                                 if (g_unlink(fileinfo->file) < 0)
2603                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2604                         }
2605
2606                         if (num == 0)
2607                                 continue;
2608
2609                         if (!folderscan &&
2610                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2611                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2612                                 procmsg_msginfo_free(newmsginfo);
2613                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2614                                 /* TODO: set default flags */
2615                                 procmsg_msginfo_free(newmsginfo);
2616                         }
2617                 }
2618         }
2619
2620         g_relation_destroy(relation);
2621
2622         return lastnum;
2623 }
2624
2625 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2626 {
2627         GSList *mlist;
2628         FolderItem *new_item;
2629         FolderItem *next_item;
2630         GNode *srcnode;
2631         gchar *old_id, *new_id;
2632
2633         /* move messages */
2634         debug_print("Moving %s to %s\n", src->path, dest->path);
2635         new_item = folder_create_folder(dest, src->name);
2636         if (new_item == NULL) {
2637                 printf("Can't create folder\n");
2638                 return NULL;
2639         }
2640
2641         if (new_item->folder == NULL)
2642                 new_item->folder = dest->folder;
2643
2644         /* move messages */
2645         log_message(_("Moving %s to %s...\n"),
2646                         src->name, new_item->path);
2647
2648         mlist = folder_item_get_msg_list(src);
2649
2650         if (mlist != NULL) {
2651                 folder_item_move_msgs(new_item, mlist);
2652                 procmsg_msg_list_free(mlist);
2653         }
2654
2655         /*copy prefs*/
2656         folder_item_prefs_copy_prefs(src, new_item);
2657         new_item->collapsed = src->collapsed;
2658         new_item->thread_collapsed = src->thread_collapsed;
2659         new_item->threaded  = src->threaded;
2660         new_item->ret_rcpt  = src->ret_rcpt;
2661         new_item->hide_read_msgs = src->hide_read_msgs;
2662         new_item->sort_key  = src->sort_key;
2663         new_item->sort_type = src->sort_type;
2664
2665         prefs_matcher_write_config();
2666
2667         /* recurse */
2668         srcnode = src->folder->node;
2669         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2670         srcnode = srcnode->children;
2671         while (srcnode != NULL) {
2672                 if (srcnode && srcnode->data) {
2673                         next_item = (FolderItem*) srcnode->data;
2674                         srcnode = srcnode->next;
2675                         if (folder_item_move_recursive(next_item, new_item) == NULL) {
2676                                 return NULL;
2677                         }
2678                 }
2679         }
2680         old_id = folder_item_get_identifier(src);
2681         new_id = folder_item_get_identifier(new_item);
2682         debug_print("updating rules : %s => %s\n", old_id, new_id);
2683
2684         /* if src supports removing, otherwise only copy folder */
2685         if (src->folder->klass->remove_folder != NULL)
2686                 src->folder->klass->remove_folder(src->folder, src);
2687         folder_write_list();
2688
2689         if (old_id != NULL && new_id != NULL) {
2690                 prefs_filtering_rename_path(old_id, new_id);
2691                 account_rename_path(old_id, new_id);
2692         }
2693         g_free(old_id);
2694         g_free(new_id);
2695
2696         return new_item;
2697 }
2698
2699 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2700 {
2701         FolderItem *tmp = folder_item_parent(dest);
2702         gchar * src_identifier, * dst_identifier;
2703         gchar * phys_srcpath, * phys_dstpath;
2704
2705         while (tmp) {
2706                 if (tmp == src) {
2707                         return F_MOVE_FAILED_DEST_IS_CHILD;
2708                 }
2709                 tmp = folder_item_parent(tmp);
2710         }
2711
2712         tmp = folder_item_parent(src);
2713
2714         src_identifier = folder_item_get_identifier(src);
2715         dst_identifier = folder_item_get_identifier(dest);
2716
2717         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2718                 /* dest can be a root folder */
2719                 dst_identifier = folder_get_identifier(dest->folder);
2720         }
2721         if (src_identifier == NULL || dst_identifier == NULL) {
2722                 debug_print("Can't get identifiers\n");
2723                 return F_MOVE_FAILED;
2724         }
2725
2726         if (src->folder != dest->folder) {
2727                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2728         }
2729
2730         phys_srcpath = folder_item_get_path(src);
2731         phys_dstpath = g_strconcat(folder_item_get_path(dest),
2732                        G_DIR_SEPARATOR_S,
2733                        g_path_get_basename(phys_srcpath),
2734                        NULL);
2735
2736         if (folder_item_parent(src) == dest || src == dest) {
2737                 g_free(src_identifier);
2738                 g_free(dst_identifier);
2739                 g_free(phys_srcpath);
2740                 g_free(phys_dstpath);
2741                 return F_MOVE_FAILED_DEST_IS_PARENT;
2742         }
2743         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2744         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2745                 return F_MOVE_FAILED;
2746         }
2747
2748         g_free(src_identifier);
2749         g_free(dst_identifier);
2750         g_free(phys_srcpath);
2751         g_free(phys_dstpath);
2752
2753         *new_item = tmp;
2754
2755         return F_MOVE_OK;
2756 }
2757
2758 /**
2759  * Copy a list of message to a new folder and remove
2760  * source messages if wanted
2761  */
2762 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2763 {
2764         Folder *folder;
2765         GSList *l;
2766         gint num, lastnum = -1;
2767         gboolean folderscan = FALSE;
2768         GRelation *relation;
2769         GSList *not_moved = NULL;
2770
2771         g_return_val_if_fail(dest != NULL, -1);
2772         g_return_val_if_fail(msglist != NULL, -1);
2773
2774         folder = dest->folder;
2775
2776         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2777         if (dest->no_select)
2778                 return -1;
2779
2780         relation = g_relation_new(2);
2781         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2782         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2783
2784         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2785                 MsgInfo * msginfo = (MsgInfo *) l->data;
2786
2787                 if (msginfo->planned_download != 0) {
2788                         int old_planned = msginfo->planned_download;
2789                         partial_unmark(msginfo);
2790                         /* little hack to reenable after */
2791                         msginfo->planned_download = old_planned;
2792                 }
2793         }
2794
2795         /*
2796          * Copy messages to destination folder and
2797          * store new message numbers in newmsgnums
2798          */
2799         if (folder->klass->copy_msgs != NULL) {
2800                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2801                         g_relation_destroy(relation);
2802                         return -1;
2803                 }
2804         } else {
2805                 MsgInfo * msginfo;
2806                 l = msglist;
2807
2808                 /* immediately stop if src and dest folders are identical */
2809                 if (l != NULL) {
2810                         msginfo = (MsgInfo *) l->data;
2811                         if (msginfo != NULL && msginfo->folder == dest) {
2812                                 g_relation_destroy(relation);
2813                                 return -1;
2814                         }
2815                 }
2816
2817                 for (; l != NULL ; l = g_slist_next(l)) {
2818                         msginfo = (MsgInfo *) l->data;
2819
2820                         num = folder->klass->copy_msg(folder, dest, msginfo);
2821                         if (num > 0)
2822                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
2823                         else
2824                                 not_moved = g_slist_prepend(not_moved, msginfo);
2825                 }
2826         }
2827
2828         if (remove_source) {
2829                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
2830                 FolderItem *item = msginfo->folder;
2831                 /*
2832                  * Remove source messages from their folders if
2833                  * copying was successfull and update folder
2834                  * message counts
2835                  */
2836                 if (item->folder->klass->remove_msgs) {
2837                         item->folder->klass->remove_msgs(item->folder,
2838                                                                 msginfo->folder,
2839                                                                 msglist,
2840                                                                 relation);
2841                 }
2842                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
2843                         GTuples *tuples;
2844                         msginfo = (MsgInfo *) l->data;
2845                         item = msginfo->folder;
2846
2847                         tuples = g_relation_select(relation, msginfo, 0);
2848                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2849                         g_tuples_destroy(tuples);
2850
2851                         if (g_slist_find(not_moved, msginfo))
2852                                 continue;
2853
2854                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
2855                                 if (!item->folder->klass->remove_msgs)
2856                                         item->folder->klass->remove_msg(item->folder,
2857                                                                 msginfo->folder,
2858                                                                 msginfo->msgnum);
2859                                 remove_msginfo_from_cache(item, msginfo);
2860                         }
2861                 }
2862         }
2863
2864         /* Read cache for dest folder */
2865         if (!dest->cache) folder_item_read_cache(dest);
2866
2867         /*
2868          * Fetch new MsgInfos for new messages in dest folder,
2869          * add them to the msgcache and update folder message counts
2870          */
2871         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
2872                 folder_item_scan_full(dest, FALSE);
2873                 folderscan = TRUE;
2874         }
2875
2876         for (l = msglist; l != NULL; l = g_slist_next(l)) {
2877                 MsgInfo *msginfo = (MsgInfo *) l->data;
2878                 GTuples *tuples;
2879
2880                 tuples = g_relation_select(relation, msginfo, 0);
2881                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2882                 g_tuples_destroy(tuples);
2883
2884                 if (num >= 0) {
2885                         MsgInfo *newmsginfo = NULL;
2886
2887                         if (folderscan) {
2888                                 if (msginfo->msgid != NULL) {
2889                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
2890                                         if (newmsginfo != NULL) {
2891                                                 copy_msginfo_flags(msginfo, newmsginfo);
2892                                                 num = newmsginfo->msgnum;
2893                                         }
2894                                 }
2895                         } else {
2896                                 newmsginfo = get_msginfo(dest, num);
2897                                 if (newmsginfo != NULL) {
2898                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
2899                                 }
2900                         }
2901
2902                         if (msginfo->planned_download
2903                             == POP3_PARTIAL_DLOAD_DELE) {
2904                                 partial_mark_for_delete(newmsginfo);
2905                         }
2906                         if (msginfo->planned_download
2907                             == POP3_PARTIAL_DLOAD_DLOAD) {
2908                                 partial_mark_for_download(newmsginfo);
2909                         }
2910                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
2911                             procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
2912                             procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
2913                             hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
2914                         }
2915                         procmsg_msginfo_free(newmsginfo);
2916
2917
2918                         if (num > lastnum)
2919                                 lastnum = num;
2920                 }
2921         }
2922
2923         g_relation_destroy(relation);
2924         if (not_moved != NULL) {
2925                 g_slist_free(not_moved);
2926                 return -1;
2927         } else
2928                 return lastnum;
2929 }
2930
2931 /**
2932  * Move a message to a new folder.
2933  *
2934  * \param dest Destination folder
2935  * \param msginfo The message
2936  */
2937 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2938 {
2939         GSList list;
2940
2941         g_return_val_if_fail(dest != NULL, -1);
2942         g_return_val_if_fail(msginfo != NULL, -1);
2943
2944         list.data = msginfo;
2945         list.next = NULL;
2946
2947         return do_copy_msgs(dest, &list, TRUE);
2948 }
2949
2950 /**
2951  * Move a list of messages to a new folder.
2952  *
2953  * \param dest Destination folder
2954  * \param msglist List of messages
2955  */
2956 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
2957 {
2958         gint result = -1;
2959         g_return_val_if_fail(dest != NULL, -1);
2960         g_return_val_if_fail(msglist != NULL, -1);
2961         inc_lock();
2962         result = do_copy_msgs(dest, msglist, TRUE);
2963         inc_unlock();
2964         return result;
2965 }
2966
2967 /**
2968  * Copy a message to a new folder.
2969  *
2970  * \param dest Destination folder
2971  * \param msginfo The message
2972  */
2973 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2974 {
2975         GSList list;
2976
2977         g_return_val_if_fail(dest != NULL, -1);
2978         g_return_val_if_fail(msginfo != NULL, -1);
2979
2980         list.data = msginfo;
2981         list.next = NULL;
2982
2983         return do_copy_msgs(dest, &list, FALSE);
2984 }
2985
2986 /**
2987  * Copy a list of messages to a new folder.
2988  *
2989  * \param dest Destination folder
2990  * \param msglist List of messages
2991  */
2992 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
2993 {
2994         gint result;
2995         g_return_val_if_fail(dest != NULL, -1);
2996         g_return_val_if_fail(msglist != NULL, -1);
2997
2998         inc_lock();
2999         result = do_copy_msgs(dest, msglist, FALSE);
3000         inc_unlock();
3001
3002         return result;
3003 }
3004
3005 gint folder_item_remove_msg(FolderItem *item, gint num)
3006 {
3007         Folder *folder;
3008         gint ret;
3009         MsgInfo *msginfo;
3010
3011         g_return_val_if_fail(item != NULL, -1);
3012         folder = item->folder;
3013         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3014         if (item->no_select)
3015                 return -1;
3016
3017         if (!item->cache) folder_item_read_cache(item);
3018
3019         ret = folder->klass->remove_msg(folder, item, num);
3020
3021         msginfo = msgcache_get_msg(item->cache, num);
3022         if (msginfo != NULL) {
3023                 remove_msginfo_from_cache(item, msginfo);
3024                 procmsg_msginfo_free(msginfo);
3025         }
3026
3027         return ret;
3028 }
3029
3030 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3031 {
3032         Folder *folder;
3033         gint ret = 0;
3034
3035         g_return_val_if_fail(item != NULL, -1);
3036         folder = item->folder;
3037         g_return_val_if_fail(folder != NULL, -1);
3038         if (item->no_select)
3039                 return -1;
3040         inc_lock();
3041         if (!item->cache) folder_item_read_cache(item);
3042
3043         folder_item_update_freeze();
3044         if (item->folder->klass->remove_msgs) {
3045                 ret = item->folder->klass->remove_msgs(item->folder,
3046                                                         item,
3047                                                         msglist,
3048                                                         NULL);
3049         }
3050         while (ret == 0 && msglist != NULL) {
3051                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
3052                 if (MSG_IS_LOCKED(msginfo->flags)) {
3053                         msglist = msglist->next;
3054                         continue;
3055                 }
3056                 if (!item->folder->klass->remove_msgs)
3057                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3058                 if (ret != 0) break;
3059                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3060                 msglist = msglist->next;
3061         }
3062         folder_item_scan_full(item, FALSE);
3063         folder_item_update_thaw();
3064         inc_unlock();
3065         return ret;
3066 }
3067
3068 gint folder_item_remove_all_msg(FolderItem *item)
3069 {
3070         Folder *folder;
3071         gint result;
3072
3073         g_return_val_if_fail(item != NULL, -1);
3074         if (item->no_select)
3075                 return -1;
3076
3077         folder = item->folder;
3078
3079         inc_lock();
3080         if (folder->klass->remove_all_msg != NULL) {
3081                 result = folder->klass->remove_all_msg(folder, item);
3082
3083                 if (result == 0) {
3084                         folder_item_free_cache(item);
3085                         item->cache = msgcache_new();
3086                 }
3087         } else {
3088                 MsgInfoList *msglist;
3089
3090                 msglist = folder_item_get_msg_list(item);
3091                 result = folder_item_remove_msgs(item, msglist);
3092                 procmsg_msg_list_free(msglist);
3093         }
3094
3095         if (result == 0) {
3096                 item->new_msgs = 0;
3097                 item->unread_msgs = 0;
3098                 item->unreadmarked_msgs = 0;
3099                 item->marked_msgs = 0;
3100                 item->total_msgs = 0;
3101                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3102         }
3103
3104         inc_unlock();
3105         return result;
3106 }
3107
3108 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3109 {
3110         g_return_if_fail(item != NULL);
3111         g_return_if_fail(msginfo != NULL);
3112         if (item->no_select)
3113                 return;
3114
3115         if (item->folder->klass->change_flags != NULL) {
3116                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3117         } else {
3118                 msginfo->flags.perm_flags = newflags;
3119         }
3120 }
3121
3122 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3123 {
3124         Folder *folder;
3125
3126         g_return_val_if_fail(item != NULL, FALSE);
3127         if (item->no_select)
3128                 return FALSE;
3129
3130         folder = item->folder;
3131
3132         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3133
3134         return folder->klass->is_msg_changed(folder, item, msginfo);
3135 }
3136
3137 gchar *folder_item_get_cache_file(FolderItem *item)
3138 {
3139         gchar *path;
3140         gchar *file;
3141
3142         g_return_val_if_fail(item != NULL, NULL);
3143         g_return_val_if_fail(item->path != NULL, NULL);
3144
3145         path = folder_item_get_path(item);
3146         g_return_val_if_fail(path != NULL, NULL);
3147         if (!is_dir_exist(path))
3148                 make_dir_hier(path);
3149         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3150         g_free(path);
3151
3152         return file;
3153 }
3154
3155 gchar *folder_item_get_mark_file(FolderItem *item)
3156 {
3157         gchar *path;
3158         gchar *file;
3159
3160         g_return_val_if_fail(item != NULL, NULL);
3161         g_return_val_if_fail(item->path != NULL, NULL);
3162
3163         path = folder_item_get_path(item);
3164         g_return_val_if_fail(path != NULL, NULL);
3165         if (!is_dir_exist(path))
3166                 make_dir_hier(path);
3167         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3168         g_free(path);
3169
3170         return file;
3171 }
3172
3173 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3174 {
3175         XMLNode *xmlnode = (XMLNode *) nodedata;
3176         Folder *folder = (Folder *) data;
3177         FolderItem *item;
3178
3179         g_return_val_if_fail(xmlnode != NULL, NULL);
3180         g_return_val_if_fail(folder != NULL, NULL);
3181
3182         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3183                 g_warning("tag name != \"folderitem\"\n");
3184                 return NULL;
3185         }
3186
3187         item = folder_item_new(folder, "", "");
3188         if (folder->klass->item_set_xml != NULL)
3189                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3190         else
3191                 folder_item_set_xml(folder, item, xmlnode->tag);
3192
3193         item->folder = folder;
3194
3195         switch (item->stype) {
3196         case F_INBOX:  folder->inbox  = item; break;
3197         case F_OUTBOX: folder->outbox = item; break;
3198         case F_DRAFT:  folder->draft  = item; break;
3199         case F_QUEUE:  folder->queue  = item; break;
3200         case F_TRASH:  folder->trash  = item; break;
3201         default:       break;
3202         }
3203         folder_item_prefs_read_config(item);
3204
3205         return item;
3206 }
3207
3208 static gboolean folder_item_set_node(GNode *node, gpointer data)
3209 {
3210         FolderItem *item = (FolderItem *) node->data;
3211         item->node = node;
3212
3213         return FALSE;
3214 }
3215
3216 static Folder *folder_get_from_xml(GNode *node)
3217 {
3218         Folder *folder;
3219         XMLNode *xmlnode;
3220         GList *list;
3221         FolderClass *klass = NULL;
3222         GNode *cur;
3223
3224         g_return_val_if_fail(node->data != NULL, NULL);
3225
3226         xmlnode = node->data;
3227         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3228                 g_warning("tag name != \"folder\"\n");
3229                 return NULL;
3230         }
3231         list = xmlnode->tag->attr;
3232         for (; list != NULL; list = list->next) {
3233                 XMLAttr *attr = list->data;
3234
3235                 if (!attr || !attr->name || !attr->value) continue;
3236                 if (!strcmp(attr->name, "type"))
3237                         klass = folder_get_class_from_string(attr->value);
3238         }
3239         if (klass == NULL)
3240                 return NULL;
3241
3242         folder = folder_new(klass, "", "");
3243         g_return_val_if_fail(folder != NULL, NULL);
3244
3245         if (klass->set_xml)
3246                 klass->set_xml(folder, xmlnode->tag);
3247         else
3248                 folder_set_xml(folder, xmlnode->tag);
3249
3250         cur = node->children;
3251         while (cur != NULL) {
3252                 GNode *itemnode;
3253
3254                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3255                 g_node_append(folder->node, itemnode);
3256                 cur = cur->next;
3257         }
3258         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3259
3260         return folder;
3261 }
3262
3263 static gchar *folder_get_list_path(void)
3264 {
3265         static gchar *filename = NULL;
3266
3267         if (!filename)
3268                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3269                                         FOLDER_LIST, NULL);
3270
3271         return filename;
3272 }
3273
3274 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3275 {                                                       \
3276         fputs(" " attr "=\"", fp);                      \
3277         xml_file_put_escape_str(fp, str);               \
3278         fputs("\"", fp);                                \
3279 }
3280
3281 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3282 {
3283         FolderItem *item = (FolderItem *) nodedata;
3284         XMLTag *tag;
3285
3286         g_return_val_if_fail(item != NULL, NULL);
3287
3288         if (item->folder->klass->item_get_xml != NULL)
3289                 tag = item->folder->klass->item_get_xml(item->folder, item);
3290         else
3291                 tag = folder_item_get_xml(item->folder, item);
3292
3293         return xml_node_new(tag, NULL);
3294 }
3295
3296 static GNode *folder_get_xml_node(Folder *folder)
3297 {
3298         GNode *node;
3299         XMLNode *xmlnode;
3300         XMLTag *tag;
3301
3302         g_return_val_if_fail(folder != NULL, NULL);
3303
3304         if (folder->klass->get_xml != NULL)
3305                 tag = folder->klass->get_xml(folder);
3306         else
3307                 tag = folder_get_xml(folder);
3308
3309         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3310
3311         xmlnode = xml_node_new(tag, NULL);
3312
3313         node = g_node_new(xmlnode);
3314         if (folder->node->children) {
3315                 GNode *cur;
3316
3317                 cur = folder->node->children;
3318                 while (cur) {
3319                         GNode *xmlnode;
3320
3321                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3322                         g_node_append(node, xmlnode);
3323                         cur = cur->next;
3324                 }
3325         }
3326
3327         return node;
3328 }
3329
3330 static void folder_update_op_count_rec(GNode *node)
3331 {
3332         FolderItem *fitem = FOLDER_ITEM(node->data);
3333
3334         if (g_node_depth(node) > 0) {
3335                 if (fitem->op_count > 0) {
3336                         fitem->op_count = 0;
3337                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3338                 }
3339                 if (node->children) {
3340                         GNode *child;
3341
3342                         child = node->children;
3343                         while (child) {
3344                                 GNode *cur;
3345
3346                                 cur = child;
3347                                 child = cur->next;
3348                                 folder_update_op_count_rec(cur);
3349                         }
3350                 }
3351         }
3352 }
3353
3354 void folder_update_op_count(void)
3355 {
3356         GList *cur;
3357         Folder *folder;
3358
3359         for (cur = folder_list; cur != NULL; cur = cur->next) {
3360                 folder = cur->data;
3361                 folder_update_op_count_rec(folder->node);
3362         }
3363 }
3364
3365 typedef struct _type_str {
3366         gchar * str;
3367         gint type;
3368 } type_str;
3369
3370
3371 /*
3372 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3373 {
3374         if (item->parent != NULL) {
3375                 gchar * path;
3376                 gchar * id;
3377
3378                 path = folder_item_get_tree_identifier(item->parent);
3379                 if (path == NULL)
3380                         return NULL;
3381
3382                 id = g_strconcat(path, "/", item->name, NULL);
3383                 g_free(path);
3384
3385                 return id;
3386         }
3387         else {
3388                 return g_strconcat("/", item->name, NULL);
3389         }
3390 }
3391 */
3392
3393 /* CLAWS: temporary local folder for filtering */
3394 #define TEMP_FOLDER "TEMP_FOLDER"
3395 #define PROCESSING_FOLDER_ITEM "processing"
3396
3397 static FolderItem *processing_folder_item;
3398
3399 static void folder_create_processing_folder(void)
3400 {
3401         Folder *processing_folder;
3402         gchar      *tmpname;
3403
3404         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3405                 gchar *tmppath;
3406
3407                 tmppath =
3408                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3409                                 "tempfolder", NULL);
3410                 processing_folder =
3411                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3412                 g_free(tmppath);
3413         }
3414         g_assert(processing_folder != NULL);
3415
3416         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3417         /* FIXME: [W32] The code below does not correctly merge
3418            relative filenames; there should be a function to handle
3419            this.  */
3420         if (!is_relative_filename(LOCAL_FOLDER(processing_folder)->rootpath))
3421                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3422                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3423                                       NULL);
3424         else
3425                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3426                                       LOCAL_FOLDER(processing_folder)->rootpath,
3427                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3428                                       NULL);
3429
3430         if (!is_dir_exist(tmpname)) {
3431                 debug_print("*TMP* creating %s\n", tmpname);
3432                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3433                                                                                  processing_folder->node->data,
3434                                                                                  PROCESSING_FOLDER_ITEM);
3435         } else {
3436                 debug_print("*TMP* already created\n");
3437                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3438                 g_assert(processing_folder_item);
3439                 folder_item_append(processing_folder->node->data, processing_folder_item);
3440         }
3441         g_assert(processing_folder_item != NULL);
3442         g_free(tmpname);
3443 }
3444
3445 FolderItem *folder_get_default_processing(void)
3446 {
3447         if (!processing_folder_item) {
3448                 folder_create_processing_folder();
3449         }
3450         return processing_folder_item;
3451 }
3452
3453 /* folder_persist_prefs_new() - return hash table with persistent
3454  * settings (and folder name as key).
3455  * (note that in claws other options are in the folder_item_prefs_RC
3456  * file, so those don't need to be included in PersistPref yet)
3457  */
3458 GHashTable *folder_persist_prefs_new(Folder *folder)
3459 {
3460         GHashTable *pptable;
3461
3462         g_return_val_if_fail(folder, NULL);
3463         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3464         folder_get_persist_prefs_recursive(folder->node, pptable);
3465         return pptable;
3466 }
3467
3468 void folder_persist_prefs_free(GHashTable *pptable)
3469 {
3470         g_return_if_fail(pptable);
3471         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3472         g_hash_table_destroy(pptable);
3473 }
3474
3475 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3476 {
3477         if (pptable == NULL || name == NULL) return NULL;
3478         return g_hash_table_lookup(pptable, name);
3479 }
3480
3481 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3482 {
3483         const PersistPrefs *pp;
3484         gchar *id = folder_item_get_identifier(item);
3485
3486         pp = folder_get_persist_prefs(pptable, id);
3487         g_free(id);
3488
3489         if (!pp) return;
3490
3491         /* CLAWS: since not all folder properties have been migrated to
3492          * folderlist.xml, we need to call the old stuff first before
3493          * setting things that apply both to Main and Claws. */
3494         folder_item_prefs_read_config(item);
3495
3496         item->collapsed = pp->collapsed;
3497         item->thread_collapsed = pp->thread_collapsed;
3498         item->threaded  = pp->threaded;
3499         item->ret_rcpt  = pp->ret_rcpt;
3500         item->hide_read_msgs = pp->hide_read_msgs;
3501         item->sort_key  = pp->sort_key;
3502         item->sort_type = pp->sort_type;
3503 }
3504
3505 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3506 {
3507         FolderItem *item = FOLDER_ITEM(node->data);
3508         PersistPrefs *pp;
3509         GNode *child, *cur;
3510         gchar *id;
3511
3512         g_return_if_fail(node != NULL);
3513         g_return_if_fail(item != NULL);
3514
3515         /* NOTE: item->path == NULL means top level folder; not interesting
3516          * to store preferences of that one.  */
3517         if (item->path) {
3518                 id = folder_item_get_identifier(item);
3519                 pp = g_new0(PersistPrefs, 1);
3520                 g_return_if_fail(pp != NULL);
3521                 pp->collapsed = item->collapsed;
3522                 pp->thread_collapsed = item->thread_collapsed;
3523                 pp->threaded  = item->threaded;
3524                 pp->ret_rcpt  = item->ret_rcpt;
3525                 pp->hide_read_msgs = item->hide_read_msgs;
3526                 pp->sort_key  = item->sort_key;
3527                 pp->sort_type = item->sort_type;
3528                 g_hash_table_insert(pptable, id, pp);
3529         }
3530
3531         if (node->children) {
3532                 child = node->children;
3533                 while (child) {
3534                         cur = child;
3535                         child = cur->next;
3536                         folder_get_persist_prefs_recursive(cur, pptable);
3537                 }
3538         }
3539 }
3540
3541 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3542 {
3543         g_free(key);
3544         g_free(val);
3545         return TRUE;
3546 }
3547
3548 void folder_item_apply_processing(FolderItem *item)
3549 {
3550         GSList *processing_list;
3551         GSList *mlist, *cur;
3552         guint total = 0, curmsg = 0;
3553
3554         g_return_if_fail(item != NULL);
3555
3556         if (item->no_select)
3557                return;
3558
3559         processing_list = item->prefs->processing;
3560
3561         if (!pre_global_processing && !processing_list
3562         &&  !post_global_processing)
3563                 return;
3564
3565         folder_item_update_freeze();
3566
3567         mlist = folder_item_get_msg_list(item);
3568         total = g_slist_length(mlist);
3569         statusbar_print_all(_("Processing messages..."));
3570         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3571                 MsgInfo * msginfo;
3572
3573                 msginfo = (MsgInfo *) cur->data;
3574
3575                 /* reset parameters that can be modified by processing */
3576                 msginfo->hidden = 0;
3577                 msginfo->score = 0;
3578
3579                 statusbar_progress_all(curmsg++,total, 10);
3580
3581                 /* apply pre global rules */
3582                 filter_message_by_msginfo(pre_global_processing, msginfo);
3583
3584                 /* apply rules of the folder */
3585                 filter_message_by_msginfo(processing_list, msginfo);
3586
3587                 /* apply post global rules */
3588                 filter_message_by_msginfo(post_global_processing, msginfo);
3589
3590         }
3591         if (pre_global_processing || processing_list
3592             || post_global_processing)
3593                 filtering_move_and_copy_msgs(mlist);
3594         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3595                 MsgInfo * msginfo = (MsgInfo *)cur->data;
3596                 procmsg_msginfo_free(msginfo);
3597         }
3598         g_slist_free(mlist);
3599
3600         statusbar_progress_all(0,0,0);
3601         statusbar_pop_all();
3602
3603         folder_item_update_thaw();
3604 }
3605
3606 /*
3607  *  functions for handling FolderItem content changes
3608  */
3609 static gint folder_item_update_freeze_cnt = 0;
3610
3611 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3612 {
3613         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3614                 FolderItemUpdateData source;
3615
3616                 source.item = item;
3617                 source.update_flags = update_flags;
3618                 source.msg = msg;
3619                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3620         } else {
3621                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3622         }
3623 }
3624
3625 /**
3626  * Notify the folder system about changes to a folder. If the
3627  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3628  * be invoked, otherwise the changes will be remebered until
3629  * the folder system is thawed.
3630  *
3631  * \param item The FolderItem that was changed
3632  * \param update_flags Type of changed that was made
3633  */
3634 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3635 {
3636         folder_item_update_with_msg(item, update_flags, NULL);
3637 }
3638
3639 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3640 {
3641         GNode *node = item->folder->node;
3642
3643         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3644         node = node->children;
3645
3646         folder_item_update(item, update_flags);
3647         while (node != NULL) {
3648                 if (node && node->data) {
3649                         FolderItem *next_item = (FolderItem*) node->data;
3650
3651                         folder_item_update(next_item, update_flags);
3652                 }
3653                 node = node->next;
3654         }
3655 }
3656
3657 void folder_item_update_freeze(void)
3658 {
3659         folder_item_update_freeze_cnt++;
3660 }
3661
3662 static void folder_item_update_func(FolderItem *item, gpointer data)
3663 {
3664         FolderItemUpdateData source;
3665
3666         if (item->update_flags) {
3667                 source.item = item;
3668                 source.update_flags = item->update_flags;
3669                 source.msg = NULL;
3670                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3671                 item->update_flags = 0;
3672         }
3673 }
3674
3675 void folder_item_update_thaw(void)
3676 {
3677         if (folder_item_update_freeze_cnt > 0)
3678                 folder_item_update_freeze_cnt--;
3679         if (folder_item_update_freeze_cnt == 0) {
3680                 /* Update all folders */
3681                 folder_func_to_all_folders(folder_item_update_func, NULL);
3682         }
3683 }
3684
3685 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
3686 {
3687         Folder *folder = (Folder *)data;
3688         if (folder == NULL || item->folder == folder) {
3689                 if(item->prefs->offlinesync && item->folder->klass->synchronise)
3690                         item->folder->klass->synchronise(item);
3691         }
3692 }
3693
3694 void folder_synchronise(Folder *folder)
3695 {
3696         folder_func_to_all_folders(folder_item_synchronise_func, folder);
3697 }
3698
3699 typedef struct _WantSyncData {
3700         Folder *folder;
3701         gboolean want_sync;
3702 } WantSyncData;
3703
3704 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
3705 {
3706         WantSyncData *want_sync_data = (WantSyncData *)data;
3707
3708         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
3709                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
3710                         want_sync_data->want_sync |= TRUE;
3711         }
3712 }
3713
3714 gboolean folder_want_synchronise(Folder *folder)
3715 {
3716         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
3717         gboolean result;
3718         want_sync_data->folder = folder;
3719         want_sync_data->want_sync = FALSE;
3720
3721         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
3722         result = want_sync_data->want_sync;
3723         g_free(want_sync_data);
3724         debug_print("Folder %s wants sync: %d\n", folder->name, result);
3725         return result;
3726 }
3727
3728 void folder_item_set_batch (FolderItem *item, gboolean batch)
3729 {
3730         if (item->folder->klass->set_batch) {
3731                 item->folder->klass->set_batch(item->folder, item, batch);
3732         }
3733 }
3734
3735 gboolean folder_has_parent_of_type(FolderItem *item,
3736                                           SpecialFolderItemType type)
3737 {
3738         FolderItem *cur = item;
3739
3740         /* if we already know it, make it short */
3741         if (item->parent_stype != -1) {
3742                 return (item->parent_stype == type);
3743         }
3744
3745         /* if we don't, find the type from the first possible parent,
3746          * and set our parent type to be faster next time */
3747         while (cur) {
3748                 if (cur->stype == type || cur->parent_stype == type) {
3749                         item->parent_stype = type;
3750                         return TRUE;
3751                 }
3752                 cur = folder_item_parent(cur);
3753         }
3754
3755         /* if we didn't match what was asked, we didn't return. If our
3756          * parent type is unknown, we may as well find it now to be faster
3757          * later. */
3758         if (item->parent_stype == -1) {
3759                 cur = item;
3760                 while (cur) {
3761                         /* here's an exception: Inbox subfolders are normal. */
3762                         if (item->parent_stype == -1 && cur->stype == F_INBOX
3763                         && item != cur) {
3764                                 debug_print("set item %s parent type to %d "
3765                                         "even if %s is F_INBOX\n",
3766                                         item->path ? item->path : "(null)",
3767                                         0, cur->path);
3768                                 item->parent_stype = F_NORMAL;
3769                                 break;
3770                         }
3771                         /* ah, we know this parent's parent's type, we may as
3772                          * well copy it instead of going up the full way */
3773                         if (cur->parent_stype != -1) {
3774                                 item->parent_stype = cur->parent_stype;
3775                                 debug_print("set item %s parent type to %d "
3776                                         "from %s's parent type\n",
3777                                         item->path ? item->path : "(null)",
3778                                         cur->parent_stype ? cur->parent_stype : 0,
3779                                         cur->path ? cur->path : "(null)");
3780                                 break;
3781                         }
3782                         /* we found a parent that has a special type. That's
3783                          * our parent type. */
3784                         if (cur->stype != F_NORMAL) {
3785                                 debug_print("set item %s parent type to %d "
3786                                         "from %s's type\n",
3787                                         item->path ? item->path : "(null)",
3788                                         cur->stype ? cur->stype : 0,
3789                                         cur->path ? cur->path : "(null)");
3790                                 cur->parent_stype = cur->stype;
3791                                 item->parent_stype = cur->stype;
3792                                 break;
3793                         }
3794                         /* if we didn't find anything, go up once more */
3795                         cur = folder_item_parent(cur);
3796                 }
3797                 /* as we still didn't find anything, our parents must all be
3798                  * normal. */
3799                 if (item->parent_stype == -1) {
3800                         debug_print("set item %s to 0 from default\n",
3801                                 item->path ? item->path : "(null)");
3802                         item->parent_stype = F_NORMAL;
3803                 }
3804         }
3805         return FALSE;
3806 }
3807
3808 gboolean folder_subscribe (const gchar *uri)
3809 {
3810         GList *cur;
3811         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
3812                 Folder *folder = (Folder *) cur->data;
3813
3814                 if (folder->klass->subscribe
3815                 &&  folder->klass->subscribe(folder, uri)) {
3816                         return TRUE;
3817                 }
3818         }
3819         return FALSE;
3820
3821 }
3822 #undef PUT_ESCAPE_STR