src/folder.c

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