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, gboolean rebuild)
 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         if (rebuild)
 782                 folder_tree_destroy(folder);
 783
 784         folder->klass->scan_tree(folder);
 785
 786         hookdata.folder = folder;
 787         hookdata.update_flags = FOLDER_TREE_CHANGED;
 788         hookdata.item = NULL;
 789         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 790
 791         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 792         folder_persist_prefs_free(pptable);
 793
 794         prefs_matcher_read_config();
 795
 796         folder_write_list();
 797 }
 798
 799 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 800 {
 801         FolderItem *new_item;
 802
 803         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 804         if (new_item) {
 805                 FolderUpdateData hookdata;
 806
 807                 new_item->cache = msgcache_new();
 808
 809                 hookdata.folder = new_item->folder;
 810                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 811                 hookdata.item = new_item;
 812                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 813         }
 814
 815         return new_item;
 816 }
 817
 818 gint folder_item_rename(FolderItem *item, gchar *newname)
 819 {
 820         gint retval;
 821
 822         g_return_val_if_fail(item != NULL, -1);
 823         g_return_val_if_fail(newname != NULL, -1);
 824
 825         retval = item->folder->klass->rename_folder(item->folder, item, newname);
 826
 827         if (retval >= 0) {
 828                 FolderItemUpdateData hookdata;
 829
 830                 hookdata.item = item;
 831                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
 832                 hookdata.msg = NULL;
 833                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
 834         }
 835
 836         return retval;
 837 }
 838
 839 struct TotalMsgCount
 840 {
 841         guint new_msgs;
 842         guint unread_msgs;
 843         guint unreadmarked_msgs;
 844         guint marked_msgs;
 845         guint total_msgs;
 846 };
 847
 848 struct FuncToAllFoldersData
 849 {
 850         FolderItemFunc  function;
 851         gpointer        data;
 852 };
 853
 854 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 855 {
 856         FolderItem *item;
 857         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 858
 859         g_return_val_if_fail(node->data != NULL, FALSE);
 860
 861         item = FOLDER_ITEM(node->data);
 862         g_return_val_if_fail(item != NULL, FALSE);
 863
 864         function_data->function(item, function_data->data);
 865
 866         return FALSE;
 867 }
 868
 869 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 870 {
 871         GList *list;
 872         Folder *folder;
 873         struct FuncToAllFoldersData function_data;
 874
 875         function_data.function = function;
 876         function_data.data = data;
 877
 878         for (list = folder_list; list != NULL; list = list->next) {
 879                 folder = FOLDER(list->data);
 880                 if (folder->node)
 881                         g_node_traverse(folder->node, G_PRE_ORDER,
 882                                         G_TRAVERSE_ALL, -1,
 883                                         folder_func_to_all_folders_func,
 884                                         &function_data);
 885         }
 886 }
 887
 888 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 889 {
 890         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 891
 892         count->new_msgs += item->new_msgs;
 893         count->unread_msgs += item->unread_msgs;
 894         count->unreadmarked_msgs += item->unreadmarked_msgs;
 895         count->marked_msgs += item->marked_msgs;
 896         count->total_msgs += item->total_msgs;
 897 }
 898
 899 struct TotalMsgStatus
 900 {
 901         guint new;
 902         guint unread;
 903         guint total;
 904         GString *str;
 905 };
 906
 907 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 908 {
 909         FolderItem *item;
 910         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 911         gchar *id;
 912
 913         g_return_val_if_fail(node->data != NULL, FALSE);
 914
 915         item = FOLDER_ITEM(node->data);
 916
 917         if (!item->path) return FALSE;
 918
 919         status->new += item->new_msgs;
 920         status->unread += item->unread_msgs;
 921         status->total += item->total_msgs;
 922
 923         if (status->str) {
 924                 id = folder_item_get_identifier(item);
 925                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
 926                                   item->new_msgs, item->unread_msgs,
 927                                   item->total_msgs, id);
 928                 g_free(id);
 929         }
 930
 931         return FALSE;
 932  }
 933
 934 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
 935                                        guint *total)
 936 {
 937         GList *list;
 938         Folder *folder;
 939         struct TotalMsgStatus status;
 940
 941         status.new = status.unread = status.total = 0;
 942         status.str = str;
 943
 944         debug_print("Counting total number of messages...\n");
 945
 946         for (list = folder_list; list != NULL; list = list->next) {
 947                 folder = FOLDER(list->data);
 948                 if (folder->node)
 949                         g_node_traverse(folder->node, G_PRE_ORDER,
 950                                         G_TRAVERSE_ALL, -1,
 951                                         folder_get_status_full_all_func,
 952                                         &status);
 953         }
 954
 955         *new = status.new;
 956         *unread = status.unread;
 957         *total = status.total;
 958 }
 959
 960 gchar *folder_get_status(GPtrArray *folders, gboolean full)
 961 {
 962         guint new, unread, total;
 963         GString *str;
 964         gint i;
 965         gchar *ret;
 966
 967         new = unread = total = 0;
 968
 969         str = g_string_new(NULL);
 970
 971         if (folders) {
 972                 for (i = 0; i < folders->len; i++) {
 973                         FolderItem *item;
 974
 975                         item = g_ptr_array_index(folders, i);
 976                         new += item->new_msgs;
 977                         unread += item->unread_msgs;
 978                         total += item->total_msgs;
 979
 980                         if (full) {
 981                                 gchar *id;
 982
 983                                 id = folder_item_get_identifier(item);
 984                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
 985                                                   item->new_msgs, item->unread_msgs,
 986                                                   item->total_msgs, id);
 987                                 g_free(id);
 988                         }
 989                 }
 990         } else {
 991                 folder_get_status_full_all(full ? str : NULL,
 992                                            &new, &unread, &total);
 993         }
 994
 995         if (full)
 996                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
 997         else
 998                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
 999
1000         ret = str->str;
1001         g_string_free(str, FALSE);
1002
1003         return ret;
1004 }
1005
1006 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1007                              guint *unreadmarked_msgs, guint *marked_msgs,
1008                              guint *total_msgs)
1009 {
1010         struct TotalMsgCount count;
1011
1012         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
1013
1014         debug_print("Counting total number of messages...\n");
1015
1016         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1017
1018         *new_msgs = count.new_msgs;
1019         *unread_msgs = count.unread_msgs;
1020         *unreadmarked_msgs = count.unreadmarked_msgs;
1021         *marked_msgs = count.marked_msgs;
1022         *total_msgs = count.total_msgs;
1023 }
1024
1025 Folder *folder_find_from_path(const gchar *path)
1026 {
1027         GList *list;
1028         Folder *folder;
1029
1030         for (list = folder_list; list != NULL; list = list->next) {
1031                 folder = list->data;
1032                 if ((FOLDER_TYPE(folder) == F_MH ||
1033                      FOLDER_TYPE(folder) == F_MBOX) &&
1034                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1035                         return folder;
1036         }
1037
1038         return NULL;
1039 }
1040
1041 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1042 {
1043         GList *list;
1044         Folder *folder;
1045
1046         for (list = folder_list; list != NULL; list = list->next) {
1047                 folder = list->data;
1048                 if (folder->klass == klass &&
1049                     strcmp2(name, folder->name) == 0)
1050                         return folder;
1051         }
1052
1053         return NULL;
1054 }
1055
1056 static gboolean folder_item_find_func(GNode *node, gpointer data)
1057 {
1058         FolderItem *item = node->data;
1059         gpointer *d = data;
1060         const gchar *path = d[0];
1061
1062         if (path_cmp(path, item->path) != 0)
1063                 return FALSE;
1064
1065         d[1] = item;
1066
1067         return TRUE;
1068 }
1069
1070 FolderItem *folder_find_item_from_path(const gchar *path)
1071 {
1072         Folder *folder;
1073         gpointer d[2];
1074
1075         folder = folder_get_default_folder();
1076         g_return_val_if_fail(folder != NULL, NULL);
1077
1078         d[0] = (gpointer)path;
1079         d[1] = NULL;
1080         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1081                         folder_item_find_func, d);
1082         return d[1];
1083 }
1084
1085 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1086 {
1087         GNode *node;
1088         FolderItem *child;
1089
1090         for (node = item->node->children; node != NULL; node = node->next) {
1091                 gchar *base;
1092                 child = FOLDER_ITEM(node->data);
1093                 base = g_path_get_basename(child->path);
1094                 if (strcmp2(base, name) == 0) {
1095                         g_free(base);
1096                         return child;
1097                 }
1098                 g_free(base);
1099         }
1100
1101         return NULL;
1102 }
1103
1104 FolderClass *folder_get_class_from_string(const gchar *str)
1105 {
1106         GSList *classlist;
1107
1108         classlist = folder_get_class_list();
1109         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1110                 FolderClass *class = (FolderClass *) classlist->data;
1111                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1112                         return class;
1113         }
1114
1115         return NULL;
1116 }
1117
1118 gchar *folder_get_identifier(Folder *folder)
1119 {
1120         gchar *type_str;
1121
1122         g_return_val_if_fail(folder != NULL, NULL);
1123
1124         type_str = folder->klass->idstr;
1125         return g_strconcat("#", type_str, "/", folder->name, NULL);
1126 }
1127
1128 gchar *folder_item_get_identifier(FolderItem *item)
1129 {
1130         gchar *id = NULL;
1131         gchar *folder_id = NULL;
1132
1133         g_return_val_if_fail(item != NULL, NULL);
1134         g_return_val_if_fail(item->path != NULL, NULL);
1135
1136         folder_id = folder_get_identifier(item->folder);
1137         id = g_strconcat(folder_id, "/", item->path, NULL);
1138         g_free(folder_id);
1139
1140         return id;
1141 }
1142
1143 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1144 {
1145         Folder *folder;
1146         gpointer d[2];
1147         gchar *str;
1148         gchar *p;
1149         gchar *name;
1150         gchar *path;
1151         FolderClass *class;
1152
1153         g_return_val_if_fail(identifier != NULL, NULL);
1154
1155         if (*identifier != '#')
1156                 return folder_find_item_from_path(identifier);
1157
1158         Xstrdup_a(str, identifier, return NULL);
1159
1160         p = strchr(str, '/');
1161         if (!p)
1162                 return folder_find_item_from_path(identifier);
1163         *p = '\0';
1164         p++;
1165         class = folder_get_class_from_string(&str[1]);
1166         if (class == NULL)
1167                 return folder_find_item_from_path(identifier);
1168
1169         name = p;
1170         p = strchr(p, '/');
1171         if (!p)
1172                 return folder_find_item_from_path(identifier);
1173         *p = '\0';
1174         p++;
1175
1176         folder = folder_find_from_name(name, class);
1177         if (!folder)
1178                 return folder_find_item_from_path(identifier);
1179
1180         path = p;
1181
1182         d[0] = (gpointer)path;
1183         d[1] = NULL;
1184         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1185                         folder_item_find_func, d);
1186         return d[1];
1187 }
1188
1189 /**
1190  * Get a displayable name for a FolderItem
1191  *
1192  * \param item FolderItem for that a name should be created
1193  * \return Displayable name for item, returned string has to
1194  *         be freed
1195  */
1196 gchar *folder_item_get_name(FolderItem *item)
1197 {
1198         gchar *name = NULL;
1199
1200         g_return_val_if_fail(item != NULL, g_strdup(""));
1201
1202         switch (item->stype) {
1203         case F_INBOX:
1204                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1205                                 item->name);
1206                 break;
1207         case F_OUTBOX:
1208                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1209                                 item->name);
1210                 break;
1211         case F_QUEUE:
1212                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1213                                 item->name);
1214                 break;
1215         case F_TRASH:
1216                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1217                                 item->name);
1218                 break;
1219         case F_DRAFT:
1220                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1221                                 item->name);
1222                 break;
1223         default:
1224                 break;
1225         }
1226
1227         if (name == NULL) {
1228                 /*
1229                  * should probably be done by a virtual function,
1230                  * the folder knows the ui string and how to abbrev
1231                 */
1232                 if (folder_item_parent(item) == NULL) {
1233                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1234                 } else {
1235                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1236                             item->path && !strcmp2(item->name, item->path))
1237                                 name = get_abbrev_newsgroup_name
1238                                         (item->path,
1239                                          prefs_common.ng_abbrev_len);
1240                         else
1241                                 name = g_strdup(item->name);
1242                 }
1243         }
1244
1245         if (name == NULL)
1246                 name = g_strdup("");
1247
1248         return name;
1249 }
1250
1251 Folder *folder_get_default_folder(void)
1252 {
1253         return folder_list ? FOLDER(folder_list->data) : NULL;
1254 }
1255
1256 FolderItem *folder_get_default_inbox(void)
1257 {
1258         GList *flist;
1259
1260         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1261                 Folder * folder = FOLDER(flist->data);
1262
1263                 if (folder == NULL)
1264                         continue;
1265                 if (folder->inbox == NULL)
1266                         continue;
1267
1268                 return folder->inbox;
1269         }
1270
1271         return NULL;
1272 }
1273
1274 FolderItem *folder_get_default_outbox(void)
1275 {
1276         GList *flist;
1277
1278         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1279                 Folder * folder = FOLDER(flist->data);
1280
1281                 if (folder == NULL)
1282                         continue;
1283                 if (folder->outbox == NULL)
1284                         continue;
1285
1286                 return folder->outbox;
1287         }
1288
1289         return NULL;
1290 }
1291
1292 FolderItem *folder_get_default_draft(void)
1293 {
1294         GList *flist;
1295
1296         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1297                 Folder * folder = FOLDER(flist->data);
1298
1299                 if (folder == NULL)
1300                         continue;
1301                 if (folder->draft == NULL)
1302                         continue;
1303
1304                 return folder->draft;
1305         }
1306
1307         return NULL;
1308 }
1309
1310 FolderItem *folder_get_default_queue(void)
1311 {
1312         GList *flist;
1313
1314         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1315                 Folder * folder = FOLDER(flist->data);
1316
1317                 if (folder == NULL)
1318                         continue;
1319                 if (folder->queue == NULL)
1320                         continue;
1321
1322                 return folder->queue;
1323         }
1324
1325         return NULL;
1326 }
1327
1328 FolderItem *folder_get_default_trash(void)
1329 {
1330         GList *flist;
1331
1332         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1333                 Folder * folder = FOLDER(flist->data);
1334
1335                 if (folder == NULL)
1336                         continue;
1337                 if (folder->trash == NULL)
1338                         continue;
1339
1340                 return folder->trash;
1341         }
1342
1343         return NULL;
1344 }
1345
1346 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1347 {                                                               \
1348         if (!folder->member) {                                  \
1349                 item = folder_item_new(folder, dir, dir);       \
1350                 item->stype = type;                             \
1351                 folder_item_append(rootitem, item);             \
1352                 folder->member = item;                          \
1353         }                                                       \
1354 }
1355
1356 void folder_set_missing_folders(void)
1357 {
1358         Folder *folder;
1359         FolderItem *rootitem;
1360         FolderItem *item;
1361         GList *list;
1362
1363         for (list = folder_list; list != NULL; list = list->next) {
1364                 folder = list->data;
1365                 if (FOLDER_TYPE(folder) != F_MH) continue;
1366                 rootitem = FOLDER_ITEM(folder->node->data);
1367                 g_return_if_fail(rootitem != NULL);
1368
1369                 if (folder->inbox && folder->outbox && folder->draft &&
1370                     folder->queue && folder->trash)
1371                         continue;
1372
1373                 if (folder->klass->create_tree(folder) < 0) {
1374                         g_warning("%s: can't create the folder tree.\n",
1375                                   LOCAL_FOLDER(folder)->rootpath);
1376                         continue;
1377                 }
1378
1379                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1380                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1381                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1382                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1383                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1384         }
1385 }
1386
1387 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1388 {
1389         FolderItem *item = node->data;
1390         PrefsAccount *account = data;
1391
1392         if (item->account == account)
1393                 item->account = NULL;
1394
1395         return FALSE;
1396 }
1397
1398 void folder_unref_account_all(PrefsAccount *account)
1399 {
1400         Folder *folder;
1401         GList *list;
1402
1403         if (!account) return;
1404
1405         for (list = folder_list; list != NULL; list = list->next) {
1406                 folder = list->data;
1407                 if (folder->account == account)
1408                         folder->account = NULL;
1409                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1410                                 folder_unref_account_func, account);
1411         }
1412 }
1413
1414 #undef CREATE_FOLDER_IF_NOT_EXIST
1415
1416 gchar *folder_item_get_path(FolderItem *item)
1417 {
1418         Folder *folder;
1419
1420         g_return_val_if_fail(item != NULL, NULL);
1421         folder = item->folder;
1422         g_return_val_if_fail(folder != NULL, NULL);
1423
1424         return folder->klass->item_get_path(folder, item);
1425 }
1426
1427 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1428 {
1429         if (!(folder_has_parent_of_type(dest, F_OUTBOX) ||
1430               folder_has_parent_of_type(dest, F_QUEUE)  ||
1431               folder_has_parent_of_type(dest, F_DRAFT) ||
1432               folder_has_parent_of_type(dest, F_TRASH))) {
1433                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1434         } else {
1435                 flags->perm_flags = 0;
1436         }
1437         if (FOLDER_TYPE(dest->folder) == F_MH) {
1438                 if (folder_has_parent_of_type(dest, F_QUEUE)) {
1439                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1440                 } else if (folder_has_parent_of_type(dest, F_DRAFT)) {
1441                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1442                 }
1443         }
1444 }
1445
1446 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1447 {
1448         MsgInfo *msginfo_a = (MsgInfo *) a;
1449         MsgInfo *msginfo_b = (MsgInfo *) b;
1450
1451         return (msginfo_a->msgnum - msginfo_b->msgnum);
1452 }
1453
1454 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1455 {
1456         guint gint_a = GPOINTER_TO_INT(a);
1457         guint gint_b = GPOINTER_TO_INT(b);
1458
1459         return (gint_a - gint_b);
1460 }
1461
1462 void folder_item_process_open (FolderItem *item,
1463                                  void (*before_proc_func)(gpointer data),
1464                                  void (*after_proc_func)(gpointer data),
1465                                  gpointer data)
1466 {
1467         gchar *buf;
1468         if (item == NULL)
1469                 return;
1470         if((item->folder->klass->scan_required != NULL) &&
1471            (item->folder->klass->scan_required(item->folder, item))) {
1472                 folder_item_scan_full(item, TRUE);
1473         } else {
1474                 folder_item_syncronize_flags(item);
1475         }
1476
1477         /* Processing */
1478         buf = g_strdup_printf(_("Processing (%s)...\n"),
1479                               item->path ? item->path : item->name);
1480         debug_print("%s\n", buf);
1481         g_free(buf);
1482
1483         if (before_proc_func)
1484                 before_proc_func(data);
1485
1486         folder_item_apply_processing(item);
1487
1488         if (after_proc_func)
1489                 after_proc_func(data);
1490
1491         debug_print("done.\n");
1492         item->processing_pending = FALSE;
1493         return;
1494 }
1495
1496 gint folder_item_open(FolderItem *item)
1497 {
1498         g_return_val_if_fail(item->no_select == FALSE, -1);
1499
1500         item->processing_pending = TRUE;
1501         folder_item_process_open (item, NULL, NULL, NULL);
1502
1503         item->opened = TRUE;
1504
1505         return 0;
1506 }
1507
1508 gint folder_item_close(FolderItem *item)
1509 {
1510         GSList *mlist, *cur;
1511         Folder *folder;
1512
1513         g_return_val_if_fail(item != NULL, -1);
1514         g_return_val_if_fail(item->no_select == FALSE, -1);
1515
1516         if (item->new_msgs) {
1517                 folder_item_update_freeze();
1518                 mlist = folder_item_get_msg_list(item);
1519                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1520                         MsgInfo * msginfo;
1521
1522                         msginfo = (MsgInfo *) cur->data;
1523                         if (MSG_IS_NEW(msginfo->flags))
1524                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1525                         procmsg_msginfo_free(msginfo);
1526                 }
1527                 g_slist_free(mlist);
1528                 folder_item_update_thaw();
1529         }
1530
1531         folder_item_write_cache(item);
1532
1533         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1534
1535         item->opened = FALSE;
1536         folder = item->folder;
1537
1538         if (folder->klass->close == NULL)
1539                 return 0;
1540
1541         return folder->klass->close(folder, item);
1542 }
1543
1544 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
1545 {
1546         MsgInfoList *msglist = NULL;
1547         Folder *folder = item->folder;
1548         g_return_val_if_fail(item->no_select == FALSE, NULL);
1549
1550         if (folder->klass->get_msginfos != NULL)
1551                 msglist = folder->klass->get_msginfos(folder, item, numlist);
1552         else {
1553                 MsgNumberList *elem;
1554
1555                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
1556                         MsgInfo *msginfo;
1557                         guint num;
1558
1559                         num = GPOINTER_TO_INT(elem->data);
1560                         msginfo = folder->klass->get_msginfo(folder, item, num);
1561                         if (msginfo != NULL)
1562                                 msglist = g_slist_prepend(msglist, msginfo);
1563                 }
1564         }
1565
1566         return msglist;
1567 }
1568
1569 static MsgInfo *get_msginfo(FolderItem *item, guint num)
1570 {
1571         MsgNumberList numlist;
1572         MsgInfoList *msglist;
1573         MsgInfo *msginfo = NULL;
1574
1575         numlist.data = GINT_TO_POINTER(num);
1576         numlist.next = NULL;
1577         msglist = get_msginfos(item, &numlist);
1578         if (msglist != NULL)
1579                 msginfo = procmsg_msginfo_new_ref(msglist->data);
1580         procmsg_msg_list_free(msglist);
1581
1582         return msginfo;
1583 }
1584
1585 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1586 {
1587         GRelation *relation;
1588         gint ret = 0;
1589         GSList *cur;
1590
1591         if(msglist == NULL)
1592                 return 0;
1593         if(item->folder->klass->get_flags == NULL)
1594                 return 0;
1595         g_return_val_if_fail(item->no_select == FALSE, 0);
1596
1597         relation = g_relation_new(2);
1598         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1599         folder_item_set_batch(item, TRUE);
1600         if ((ret = item->folder->klass->get_flags(
1601             item->folder, item, msglist, relation)) == 0) {
1602                 GTuples *tuples;
1603                 MsgInfo *msginfo;
1604                 MsgPermFlags permflags = 0;
1605                 gboolean skip;
1606
1607                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1608                         msginfo = (MsgInfo *) cur->data;
1609
1610                         tuples = g_relation_select(relation, msginfo, 0);
1611                         skip = tuples->len < 1;
1612                         if (!skip)
1613                                 permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1614                         g_tuples_destroy(tuples);
1615                         if (skip)
1616                                 continue;
1617
1618                         if (msginfo->flags.perm_flags != permflags) {
1619                                 procmsg_msginfo_change_flags(msginfo,
1620                                         permflags & ~msginfo->flags.perm_flags, 0,
1621                                         ~permflags & msginfo->flags.perm_flags, 0);
1622                         }
1623                 }
1624         }
1625         folder_item_set_batch(item, FALSE);
1626         g_relation_destroy(relation);
1627
1628         return ret;
1629 }
1630
1631 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1632 {
1633         Folder *folder;
1634         GSList *folder_list = NULL, *cache_list = NULL;
1635         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1636         GSList *exists_list = NULL, *elem;
1637         GSList *newmsg_list = NULL;
1638         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
1639         guint markedcnt = 0, unreadmarkedcnt = 0;
1640         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1641         gboolean update_flags = 0, old_uids_valid = FALSE;
1642
1643         g_return_val_if_fail(item != NULL, -1);
1644         if (item->path == NULL) return -1;
1645
1646         folder = item->folder;
1647
1648         g_return_val_if_fail(folder != NULL, -1);
1649         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1650
1651         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
1652
1653         /* Get list of messages for folder and cache */
1654         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1655                 debug_print("Error fetching list of message numbers\n");
1656                 return(-1);
1657         }
1658
1659         if (old_uids_valid) {
1660                 if (!item->cache)
1661                         folder_item_read_cache(item);
1662                 cache_list = msgcache_get_msg_list(item->cache);
1663         } else {
1664                 if (item->cache)
1665                         msgcache_destroy(item->cache);
1666                 item->cache = msgcache_new();
1667                 cache_list = NULL;
1668         }
1669
1670         /* Sort both lists */
1671         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1672         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1673
1674         cache_list_cur = cache_list;
1675         folder_list_cur = folder_list;
1676
1677         if (cache_list_cur != NULL) {
1678                 GSList *cache_list_last;
1679
1680                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1681                 cache_list_last = g_slist_last(cache_list);
1682                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1683         } else {
1684                 cache_cur_num = G_MAXINT;
1685                 cache_max_num = 0;
1686         }
1687
1688         if (folder_list_cur != NULL) {
1689                 GSList *folder_list_last;
1690
1691                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1692                 folder_list_last = g_slist_last(folder_list);
1693                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1694         } else {
1695                 folder_cur_num = G_MAXINT;
1696                 folder_max_num = 0;
1697         }
1698
1699         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1700                 /*
1701                  *  Message only exists in the folder
1702                  *  Remember message for fetching
1703                  */
1704                 if (folder_cur_num < cache_cur_num) {
1705                         gboolean add = FALSE;
1706
1707                         switch(FOLDER_TYPE(folder)) {
1708                                 case F_NEWS:
1709                                         if (folder_cur_num < cache_max_num)
1710                                                 break;
1711
1712                                         if (folder->account->max_articles == 0) {
1713                                                 add = TRUE;
1714                                         }
1715
1716                                         if (folder_max_num <= folder->account->max_articles) {
1717                                                 add = TRUE;
1718                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1719                                                 add = TRUE;
1720                                         }
1721                                         break;
1722                                 default:
1723                                         add = TRUE;
1724                                         break;
1725                         }
1726
1727                         if (add) {
1728                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1729                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1730                         }
1731
1732                         /* Move to next folder number */
1733                         folder_list_cur = folder_list_cur->next;
1734
1735                         if (folder_list_cur != NULL)
1736                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1737                         else
1738                                 folder_cur_num = G_MAXINT;
1739
1740                         continue;
1741                 }
1742
1743                 /*
1744                  *  Message only exists in the cache
1745                  *  Remove the message from the cache
1746                  */
1747                 if (cache_cur_num < folder_cur_num) {
1748                         msgcache_remove_msg(item->cache, cache_cur_num);
1749                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1750
1751                         /* Move to next cache number */
1752                         cache_list_cur = cache_list_cur->next;
1753
1754                         if (cache_list_cur != NULL)
1755                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1756                         else
1757                                 cache_cur_num = G_MAXINT;
1758
1759                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1760
1761                         continue;
1762                 }
1763
1764                 /*
1765                  *  Message number exists in folder and cache!
1766                  *  Check if the message has been modified
1767                  */
1768                 if (cache_cur_num == folder_cur_num) {
1769                         MsgInfo *msginfo;
1770
1771                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1772                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1773                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1774                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1775                                 procmsg_msginfo_free(msginfo);
1776
1777                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1778                         } else
1779                                 exists_list = g_slist_prepend(exists_list, msginfo);
1780
1781                         /* Move to next folder and cache number */
1782                         cache_list_cur = cache_list_cur->next;
1783                         folder_list_cur = folder_list_cur->next;
1784
1785                         if (cache_list_cur != NULL)
1786                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1787                         else
1788                                 cache_cur_num = G_MAXINT;
1789
1790                         if (folder_list_cur != NULL)
1791                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1792                         else
1793                                 folder_cur_num = G_MAXINT;
1794
1795                         continue;
1796                 }
1797         }
1798
1799         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1800                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1801
1802         g_slist_free(cache_list);
1803         g_slist_free(folder_list);
1804
1805         if (new_list != NULL) {
1806                 GSList *tmp_list = NULL;
1807                 newmsg_list = get_msginfos(item, new_list);
1808                 g_slist_free(new_list);
1809                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
1810                 syncronize_flags(item, tmp_list);
1811                 g_slist_free(tmp_list);
1812         } else {
1813                 syncronize_flags(item, exists_list);
1814         }
1815
1816         folder_item_update_freeze();
1817         if (newmsg_list != NULL) {
1818                 GSList *elem;
1819                 int total = g_slist_length(newmsg_list), cur = 0;
1820
1821                 if ((filtering == TRUE) &&
1822                     (item->stype == F_INBOX) &&
1823                     (item->folder->account != NULL) &&
1824                     (item->folder->account->filter_on_recv))
1825                         statusbar_print_all(_("Filtering messages...\n"));
1826
1827                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1828                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1829
1830                         statusbar_progress_all(cur++,total, 10);
1831
1832                         msgcache_add_msg(item->cache, msginfo);
1833                         if ((filtering == TRUE) &&
1834                             (item->stype == F_INBOX) &&
1835                             (item->folder->account != NULL) &&
1836                             (item->folder->account->filter_on_recv) &&
1837                             procmsg_msginfo_filter(msginfo))
1838                                 procmsg_msginfo_free(msginfo);
1839                         else
1840                                 exists_list = g_slist_prepend(exists_list, msginfo);
1841                 }
1842                 g_slist_free(newmsg_list);
1843
1844                 statusbar_progress_all(0,0,0);
1845                 statusbar_pop_all();
1846                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1847         }
1848
1849         folder_item_set_batch(item, TRUE);
1850         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1851                 MsgInfo *msginfo;
1852
1853                 msginfo = elem->data;
1854                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1855                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1856                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1857                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
1858                 }
1859                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
1860                      folder_has_parent_of_type(item, F_QUEUE)  ||
1861                      folder_has_parent_of_type(item, F_DRAFT)  ||
1862                      folder_has_parent_of_type(item, F_TRASH)) &&
1863                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1864                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1865                 if (MSG_IS_NEW(msginfo->flags))
1866                         newcnt++;
1867                 if (MSG_IS_UNREAD(msginfo->flags))
1868                         unreadcnt++;
1869                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1870                         unreadmarkedcnt++;
1871                 if (MSG_IS_MARKED(msginfo->flags))
1872                         markedcnt++;
1873
1874                 totalcnt++;
1875
1876                 procmsg_msginfo_free(msginfo);
1877         }
1878         folder_item_set_batch(item, FALSE);
1879         g_slist_free(exists_list);
1880
1881         item->new_msgs = newcnt;
1882         item->unread_msgs = unreadcnt;
1883         item->total_msgs = totalcnt;
1884         item->unreadmarked_msgs = unreadmarkedcnt;
1885         item->marked_msgs = markedcnt;
1886
1887         update_flags |= F_ITEM_UPDATE_MSGCNT;
1888
1889         folder_item_update(item, update_flags);
1890         folder_item_update_thaw();
1891
1892         return 0;
1893 }
1894
1895 gint folder_item_scan(FolderItem *item)
1896 {
1897         return folder_item_scan_full(item, TRUE);
1898 }
1899
1900 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1901 {
1902         FolderItem *item = node->data;
1903
1904         folder_item_scan(item);
1905
1906         return FALSE;
1907 }
1908
1909 void folder_scan_all_items(Folder * folder)
1910 {
1911         g_node_traverse(folder->node, G_PRE_ORDER,
1912                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1913 }
1914
1915 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1916                                           gpointer data)
1917 {
1918         folder_item_scan(FOLDER_ITEM(key));
1919 }
1920
1921 void folder_item_scan_foreach(GHashTable *table)
1922 {
1923         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1924 }
1925
1926 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1927 {
1928         gint *memusage = (gint *)data;
1929
1930         if (item->cache == NULL)
1931                 return;
1932
1933         *memusage += msgcache_get_memory_usage(item->cache);
1934 }
1935
1936 gint folder_item_syncronize_flags(FolderItem *item)
1937 {
1938         MsgInfoList *msglist = NULL;
1939         GSList *cur;
1940         gint ret = 0;
1941
1942         g_return_val_if_fail(item != NULL, -1);
1943         g_return_val_if_fail(item->folder != NULL, -1);
1944         g_return_val_if_fail(item->folder->klass != NULL, -1);
1945         g_return_val_if_fail(item->no_select == FALSE, -1);
1946
1947         if (item->cache == NULL)
1948                 folder_item_read_cache(item);
1949
1950         msglist = msgcache_get_msg_list(item->cache);
1951
1952         ret = syncronize_flags(item, msglist);
1953
1954         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1955                 procmsg_msginfo_free((MsgInfo *) cur->data);
1956
1957         g_slist_free(msglist);
1958
1959         return ret;
1960 }
1961
1962 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1963 {
1964         FolderItem *fa = (FolderItem *)a;
1965         FolderItem *fb = (FolderItem *)b;
1966
1967         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1968 }
1969
1970 void folder_find_expired_caches(FolderItem *item, gpointer data)
1971 {
1972         GSList **folder_item_list = (GSList **)data;
1973         gint difftime, expiretime;
1974
1975         if (item->cache == NULL)
1976                 return;
1977
1978         if (item->opened > 0)
1979                 return;
1980
1981         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1982         expiretime = prefs_common.cache_min_keep_time * 60;
1983         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1984         if (difftime > expiretime) {
1985                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1986         }
1987 }
1988
1989 void folder_item_free_cache(FolderItem *item)
1990 {
1991         g_return_if_fail(item != NULL);
1992
1993         if (item->cache == NULL)
1994                 return;
1995
1996         if (item->opened > 0)
1997                 return;
1998
1999         folder_item_write_cache(item);
2000         msgcache_destroy(item->cache);
2001         item->cache = NULL;
2002 }
2003
2004 void folder_clean_cache_memory_force(void)
2005 {
2006         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2007         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2008
2009         prefs_common.cache_max_mem_usage = 0;
2010         prefs_common.cache_min_keep_time = 0;
2011
2012         folder_clean_cache_memory();
2013
2014         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2015         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2016 }
2017
2018 void folder_clean_cache_memory(void)
2019 {
2020         gint memusage = 0;
2021
2022         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2023         debug_print("Total cache memory usage: %d\n", memusage);
2024
2025         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2026                 GSList *folder_item_list = NULL, *listitem;
2027
2028                 debug_print("Trying to free cache memory\n");
2029
2030                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2031                 listitem = folder_item_list;
2032                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2033                         FolderItem *item = (FolderItem *)(listitem->data);
2034
2035                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2036                         memusage -= msgcache_get_memory_usage(item->cache);
2037                         folder_item_free_cache(item);
2038                         listitem = listitem->next;
2039                 }
2040                 g_slist_free(folder_item_list);
2041         }
2042 }
2043
2044 void folder_item_read_cache(FolderItem *item)
2045 {
2046         gchar *cache_file, *mark_file;
2047
2048         g_return_if_fail(item != NULL);
2049
2050         if (item->path != NULL) {
2051                 cache_file = folder_item_get_cache_file(item);
2052                 mark_file = folder_item_get_mark_file(item);
2053                 item->cache = msgcache_read_cache(item, cache_file);
2054                 if (!item->cache) {
2055                         MsgInfoList *list, *cur;
2056                         guint newcnt = 0, unreadcnt = 0;
2057                         guint markedcnt = 0, unreadmarkedcnt = 0;
2058                         MsgInfo *msginfo;
2059
2060                         item->cache = msgcache_new();
2061                         folder_item_scan_full(item, TRUE);
2062
2063                         msgcache_read_mark(item->cache, mark_file);
2064
2065                         list = msgcache_get_msg_list(item->cache);
2066                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2067                                 msginfo = cur->data;
2068
2069                                 if (MSG_IS_NEW(msginfo->flags))
2070                                         newcnt++;
2071                                 if (MSG_IS_UNREAD(msginfo->flags))
2072                                         unreadcnt++;
2073                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2074                                         unreadmarkedcnt++;
2075                                 if (MSG_IS_MARKED(msginfo->flags))
2076                                         markedcnt++;
2077                         }
2078                         item->new_msgs = newcnt;
2079                         item->unread_msgs = unreadcnt;
2080                         item->unreadmarked_msgs = unreadmarkedcnt;
2081                         item->marked_msgs = markedcnt;
2082                         procmsg_msg_list_free(list);
2083                 } else
2084                         msgcache_read_mark(item->cache, mark_file);
2085
2086                 g_free(cache_file);
2087                 g_free(mark_file);
2088         } else {
2089                 item->cache = msgcache_new();
2090         }
2091
2092         folder_clean_cache_memory();
2093 }
2094
2095 void folder_item_write_cache(FolderItem *item)
2096 {
2097         gchar *cache_file, *mark_file;
2098         FolderItemPrefs *prefs;
2099         gint filemode = 0;
2100         gchar *id;
2101
2102         if (!item || !item->path || !item->cache)
2103                 return;
2104
2105         id = folder_item_get_identifier(item);
2106         debug_print("Save cache for folder %s\n", id);
2107         g_free(id);
2108
2109         cache_file = folder_item_get_cache_file(item);
2110         mark_file = folder_item_get_mark_file(item);
2111         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
2112                 prefs = item->prefs;
2113                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2114                         /* for cache file */
2115                         filemode = prefs->folder_chmod;
2116                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2117                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2118                         chmod(cache_file, filemode);
2119                 }
2120         }
2121
2122         g_free(cache_file);
2123         g_free(mark_file);
2124 }
2125
2126 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2127 {
2128         Folder *folder;
2129         MsgInfo *msginfo = NULL;
2130
2131         g_return_val_if_fail(item != NULL, NULL);
2132         g_return_val_if_fail(item->no_select == FALSE, NULL);
2133         folder = item->folder;
2134         if (!item->cache)
2135                 folder_item_read_cache(item);
2136
2137         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2138                 return msginfo;
2139
2140         msginfo = get_msginfo(item, num);
2141         if (msginfo != NULL) {
2142                 msgcache_add_msg(item->cache, msginfo);
2143                 return msginfo;
2144         }
2145
2146         return NULL;
2147 }
2148
2149 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2150 {
2151         Folder *folder;
2152         MsgInfo *msginfo;
2153
2154         g_return_val_if_fail(item != NULL, NULL);
2155         g_return_val_if_fail(msgid != NULL, NULL);
2156         g_return_val_if_fail(item->no_select == FALSE, FALSE);
2157
2158         folder = item->folder;
2159         if (!item->cache)
2160                 folder_item_read_cache(item);
2161
2162         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2163                 return msginfo;
2164
2165         return NULL;
2166 }
2167
2168 GSList *folder_item_get_msg_list(FolderItem *item)
2169 {
2170         g_return_val_if_fail(item != NULL, NULL);
2171         g_return_val_if_fail(item->no_select == FALSE, FALSE);
2172
2173         if (item->cache == 0)
2174                 folder_item_read_cache(item);
2175
2176         g_return_val_if_fail(item->cache != NULL, NULL);
2177
2178         return msgcache_get_msg_list(item->cache);
2179 }
2180
2181 void msginfo_set_mime_flags(GNode *node, gpointer data)
2182 {
2183         MsgInfo *msginfo = data;
2184         MimeInfo *mimeinfo = node->data;
2185
2186         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2187          && (!mimeinfo->subtype ||  strcmp(mimeinfo->subtype, "pgp-signature"))) {
2188                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2189         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2190                  mimeinfo->type != MIMETYPE_TEXT &&
2191                  mimeinfo->type != MIMETYPE_MULTIPART) {
2192                 if (!mimeinfo->subtype
2193                 ||  strcmp(mimeinfo->subtype, "pgp-signature"))
2194                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2195         }
2196
2197         /* don't descend below top level message for signed and encrypted info */
2198         if (mimeinfo->type == MIMETYPE_MESSAGE)
2199                 return;
2200
2201         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2202                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2203         }
2204
2205         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2206                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2207         } else {
2208                 /* searching inside encrypted parts doesn't really make sense */
2209                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2210         }
2211 }
2212
2213 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2214 {
2215         Folder *folder;
2216         gchar *msgfile;
2217         MsgInfo *msginfo;
2218
2219         g_return_val_if_fail(item != NULL, NULL);
2220
2221         folder = item->folder;
2222
2223         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2224         g_return_val_if_fail(item->no_select == FALSE, NULL);
2225
2226         msgfile = folder->klass->fetch_msg(folder, item, num);
2227
2228         if (msgfile != NULL) {
2229                 msginfo = folder_item_get_msginfo(item, num);
2230                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2231                         MimeInfo *mimeinfo;
2232
2233                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2234                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2235                                 mimeinfo = procmime_scan_file(msgfile);
2236                         else
2237                                 mimeinfo = procmime_scan_queue_file(msgfile);
2238                         /* check for attachments */
2239                         if (mimeinfo != NULL) {
2240                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2241                                 procmime_mimeinfo_free_all(mimeinfo);
2242
2243                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2244                         }
2245                 }
2246         }
2247
2248         return msgfile;
2249 }
2250
2251 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2252                                   gboolean body)
2253 {
2254         Folder *folder;
2255         gchar *msgfile;
2256         MsgInfo *msginfo;
2257
2258         g_return_val_if_fail(item != NULL, NULL);
2259         g_return_val_if_fail(item->no_select == FALSE, NULL);
2260
2261         folder = item->folder;
2262
2263         if (folder->klass->fetch_msg_full == NULL)
2264                 return folder_item_fetch_msg(item, num);
2265
2266         msgfile = folder->klass->fetch_msg_full(folder, item, num,
2267                                                 headers, body);
2268
2269         if (msgfile != NULL) {
2270                 msginfo = folder_item_get_msginfo(item, num);
2271                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2272                         MimeInfo *mimeinfo;
2273
2274                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2275                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2276                                 mimeinfo = procmime_scan_file(msgfile);
2277                         else
2278                                 mimeinfo = procmime_scan_queue_file(msgfile);
2279                         /* check for attachments */
2280                         if (mimeinfo != NULL) {
2281                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2282                                 procmime_mimeinfo_free_all(mimeinfo);
2283
2284                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2285                         }
2286                 }
2287         }
2288
2289         return msgfile;
2290 }
2291
2292
2293 gint folder_item_fetch_all_msg(FolderItem *item)
2294 {
2295         Folder *folder;
2296         GSList *mlist;
2297         GSList *cur;
2298         gint num = 0;
2299         gint ret = 0;
2300         gint total = 0;
2301
2302         g_return_val_if_fail(item != NULL, -1);
2303         g_return_val_if_fail(item->no_select == FALSE, -1);
2304
2305         debug_print("fetching all messages in %s ...\n", item->path ? item->path : "(null)");
2306         statusbar_print_all(_("Fetching all messages in %s ...\n"), item->path ? item->path : "(null)");
2307
2308         folder = item->folder;
2309
2310         if (folder->ui_func)
2311                 folder->ui_func(folder, item, folder->ui_func_data ?
2312                                 folder->ui_func_data : GINT_TO_POINTER(num));
2313
2314         mlist = folder_item_get_msg_list(item);
2315
2316         total = g_slist_length(mlist);
2317
2318         for (cur = mlist; cur != NULL; cur = cur->next) {
2319                 MsgInfo *msginfo = (MsgInfo *)cur->data;
2320                 gchar *msg;
2321
2322                 statusbar_progress_all(num++,total, 10);
2323
2324                 if (folder->ui_func)
2325                         folder->ui_func(folder, item,
2326                                         folder->ui_func_data ?
2327                                         folder->ui_func_data :
2328                                         GINT_TO_POINTER(num));
2329
2330                 msg = folder_item_fetch_msg(item, msginfo->msgnum);
2331                 if (!msg) {
2332                         g_warning("Can't fetch message %d. Aborting.\n",
2333                                   msginfo->msgnum);
2334                         ret = -1;
2335                         break;
2336                 }
2337                 g_free(msg);
2338         }
2339
2340         statusbar_progress_all(0,0,0);
2341         statusbar_pop_all();
2342         procmsg_msg_list_free(mlist);
2343
2344         return ret;
2345 }
2346
2347 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2348 {
2349         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2350                                        {NULL,           NULL, FALSE}};
2351         FILE *fp;
2352         MsgInfo *msginfo;
2353         gint msgnum = 0;
2354         gchar buf[BUFFSIZE];
2355
2356         if ((fp = g_fopen(file, "rb")) == NULL)
2357                 return 0;
2358
2359         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2360             (folder_has_parent_of_type(dest, F_DRAFT)))
2361                 while (fgets(buf, sizeof(buf), fp) != NULL)
2362                         if (buf[0] == '\r' || buf[0] == '\n') break;
2363
2364         procheader_get_header_fields(fp, hentry);
2365         if (hentry[0].body) {
2366                 extract_parenthesis(hentry[0].body, '<', '>');
2367                 remove_space(hentry[0].body);
2368                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2369                         msgnum = msginfo->msgnum;
2370                         procmsg_msginfo_free(msginfo);
2371
2372                         debug_print("found message as uid %d\n", msgnum);
2373                 }
2374         }
2375
2376         g_free(hentry[0].body);
2377         hentry[0].body = NULL;
2378         fclose(fp);
2379
2380         return msgnum;
2381 }
2382
2383 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
2384 {
2385         MsgPermFlags perm_flags = 0;
2386         MsgTmpFlags tmp_flags = 0;
2387
2388         /* create new flags */
2389         if (source != NULL) {
2390                 /* copy original flags */
2391                 perm_flags = source->flags.perm_flags;
2392                 tmp_flags = source->flags.tmp_flags;
2393         } else {
2394                 perm_flags = dest->flags.perm_flags;
2395                 tmp_flags = dest->flags.tmp_flags;
2396         }
2397
2398         /* remove new, unread and deleted in special folders */
2399         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
2400             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
2401             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
2402             folder_has_parent_of_type(dest->folder, F_TRASH))
2403                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
2404
2405         /* set ignore flag of ignored parent exists */
2406         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
2407                 perm_flags |= MSG_IGNORE_THREAD;
2408
2409         /* Unset tmp flags that should not be copied */
2410         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
2411
2412         /* unset flags that are set but should not */
2413         /* and set new flags */
2414         procmsg_msginfo_change_flags(dest,
2415                                   ~dest->flags.perm_flags & perm_flags,
2416                                   ~dest->flags.tmp_flags  & tmp_flags,
2417                                    dest->flags.perm_flags & ~perm_flags,
2418                                    dest->flags.tmp_flags  & ~tmp_flags);
2419 }
2420
2421 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
2422 {
2423         /* update folder stats */
2424         if (MSG_IS_NEW(newmsginfo->flags))
2425                 item->new_msgs++;
2426         if (MSG_IS_UNREAD(newmsginfo->flags))
2427                 item->unread_msgs++;
2428         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2429                 item->unreadmarked_msgs++;
2430         if (MSG_IS_MARKED(newmsginfo->flags))
2431                 item->marked_msgs++;
2432         item->total_msgs++;
2433
2434         folder_item_update_freeze();
2435
2436         if (!item->cache)
2437                 folder_item_read_cache(item);
2438
2439         msgcache_add_msg(item->cache, newmsginfo);
2440         copy_msginfo_flags(flagsource, newmsginfo);
2441         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
2442         folder_item_update_thaw();
2443 }
2444
2445 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
2446 {
2447         MsgInfoUpdate msginfo_update;
2448
2449         if (!item->cache)
2450                 folder_item_read_cache(item);
2451
2452         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2453                 msginfo->folder->new_msgs--;
2454         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2455                 msginfo->folder->unread_msgs--;
2456         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2457                 msginfo->folder->unreadmarked_msgs--;
2458         if (MSG_IS_MARKED(msginfo->flags))
2459                 item->marked_msgs--;
2460
2461         msginfo->folder->total_msgs--;
2462
2463         msginfo_update.msginfo = msginfo;
2464         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
2465         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
2466
2467         msgcache_remove_msg(item->cache, msginfo->msgnum);
2468         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
2469 }
2470
2471 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
2472                          MsgFlags *flags, gboolean remove_source)
2473 {
2474         GSList file_list;
2475         MsgFileInfo fileinfo;
2476
2477         g_return_val_if_fail(dest != NULL, -1);
2478         g_return_val_if_fail(file != NULL, -1);
2479
2480         fileinfo.msginfo = NULL;
2481         fileinfo.file = (gchar *)file;
2482         fileinfo.flags = flags;
2483         file_list.data = &fileinfo;
2484         file_list.next = NULL;
2485
2486         return folder_item_add_msgs(dest, &file_list, remove_source);
2487 }
2488
2489 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
2490                           gboolean remove_source)
2491 {
2492         Folder *folder;
2493         gint ret, num, lastnum = -1;
2494         GSList *file_cur;
2495         GRelation *relation;
2496         MsgFileInfo *fileinfo = NULL;
2497         gboolean folderscan = FALSE;
2498
2499         g_return_val_if_fail(dest != NULL, -1);
2500         g_return_val_if_fail(file_list != NULL, -1);
2501         g_return_val_if_fail(dest->folder != NULL, -1);
2502         g_return_val_if_fail(dest->no_select == FALSE, -1);
2503
2504         folder = dest->folder;
2505
2506         relation = g_relation_new(2);
2507         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2508
2509         if (folder->klass->add_msgs != NULL) {
2510                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
2511                 if (ret < 0) {
2512                         g_relation_destroy(relation);
2513                         return ret;
2514                 }
2515         } else {
2516                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2517                         fileinfo = (MsgFileInfo *) file_cur->data;
2518
2519                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
2520                         if (ret < 0) {
2521                                 g_relation_destroy(relation);
2522                                 return ret;
2523                         }
2524                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
2525                 }
2526         }
2527
2528         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
2529                 GTuples *tuples;
2530
2531                 fileinfo = (MsgFileInfo *) file_cur->data;
2532                 tuples = g_relation_select(relation, fileinfo, 0);
2533                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2534                 g_tuples_destroy(tuples);
2535
2536                 if (num >= 0) {
2537                         MsgInfo *newmsginfo;
2538
2539                         if (num == 0) {
2540                                 if (!folderscan) {
2541                                         folder_item_scan_full(dest, FALSE);
2542                                         folderscan = TRUE;
2543                                 }
2544                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
2545                         }
2546
2547                         if (num > lastnum)
2548                                 lastnum = num;
2549
2550                         if (num >= 0 && remove_source) {
2551                                 if (g_unlink(fileinfo->file) < 0)
2552                                         FILE_OP_ERROR(fileinfo->file, "unlink");
2553                         }
2554
2555                         if (num == 0)
2556                                 continue;
2557
2558                         if (!folderscan &&
2559                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
2560                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
2561                                 procmsg_msginfo_free(newmsginfo);
2562                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2563                                 /* TODO: set default flags */
2564                                 procmsg_msginfo_free(newmsginfo);
2565                         }
2566                 }
2567         }
2568
2569         g_relation_destroy(relation);
2570
2571         return lastnum;
2572 }
2573
2574 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2575 {
2576         GSList *mlist;
2577         FolderItem *new_item;
2578         FolderItem *next_item;
2579         GNode *srcnode;
2580         gchar *old_id, *new_id;
2581
2582         /* move messages */
2583         debug_print("Moving %s to %s\n", src->path, dest->path);
2584         new_item = folder_create_folder(dest, src->name);
2585         if (new_item == NULL) {
2586                 printf("Can't create folder\n");
2587                 return NULL;
2588         }
2589
2590         if (new_item->folder == NULL)
2591                 new_item->folder = dest->folder;
2592
2593         /* move messages */
2594         log_message(_("Moving %s to %s...\n"),
2595                         src->name, new_item->path);
2596
2597         mlist = folder_item_get_msg_list(src);
2598
2599         if (mlist != NULL) {
2600                 folder_item_move_msgs(new_item, mlist);
2601                 procmsg_msg_list_free(mlist);
2602         }
2603
2604         /*copy prefs*/
2605         folder_item_prefs_copy_prefs(src, new_item);
2606         new_item->collapsed = src->collapsed;
2607         new_item->thread_collapsed = src->thread_collapsed;
2608         new_item->threaded  = src->threaded;
2609         new_item->ret_rcpt  = src->ret_rcpt;
2610         new_item->hide_read_msgs = src->hide_read_msgs;
2611         new_item->sort_key  = src->sort_key;
2612         new_item->sort_type = src->sort_type;
2613
2614         prefs_matcher_write_config();
2615
2616         /* recurse */
2617         srcnode = src->folder->node;
2618         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2619         srcnode = srcnode->children;
2620         while (srcnode != NULL) {
2621                 if (srcnode && srcnode->data) {
2622                         next_item = (FolderItem*) srcnode->data;
2623                         srcnode = srcnode->next;
2624                         if (folder_item_move_recursive(next_item, new_item) == NULL) {
2625                                 return NULL;
2626                         }
2627                 }
2628         }
2629         old_id = folder_item_get_identifier(src);
2630         new_id = folder_item_get_identifier(new_item);
2631         debug_print("updating rules : %s => %s\n", old_id, new_id);
2632
2633         /* if src supports removing, otherwise only copy folder */
2634         if (src->folder->klass->remove_folder != NULL)
2635                 src->folder->klass->remove_folder(src->folder, src);
2636         folder_write_list();
2637
2638         if (old_id != NULL && new_id != NULL)
2639                 prefs_filtering_rename_path(old_id, new_id);
2640         g_free(old_id);
2641         g_free(new_id);
2642
2643         return new_item;
2644 }
2645
2646 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2647 {
2648         FolderItem *tmp = folder_item_parent(dest);
2649         gchar * src_identifier, * dst_identifier;
2650         gchar * phys_srcpath, * phys_dstpath;
2651
2652         while (tmp) {
2653                 if (tmp == src) {
2654                         return F_MOVE_FAILED_DEST_IS_CHILD;
2655                 }
2656                 tmp = folder_item_parent(tmp);
2657         }
2658
2659         tmp = folder_item_parent(src);
2660
2661         src_identifier = folder_item_get_identifier(src);
2662         dst_identifier = folder_item_get_identifier(dest);
2663
2664         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
2665                 /* dest can be a root folder */
2666                 dst_identifier = folder_get_identifier(dest->folder);
2667         }
2668         if (src_identifier == NULL || dst_identifier == NULL) {
2669                 debug_print("Can't get identifiers\n");
2670                 return F_MOVE_FAILED;
2671         }
2672
2673         if (src->folder != dest->folder) {
2674                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2675         }
2676
2677         phys_srcpath = folder_item_get_path(src);
2678         phys_dstpath = g_strconcat(folder_item_get_path(dest),
2679                        G_DIR_SEPARATOR_S,
2680                        g_path_get_basename(phys_srcpath),
2681                        NULL);
2682
2683         if (folder_item_parent(src) == dest || src == dest) {
2684                 g_free(src_identifier);
2685                 g_free(dst_identifier);
2686                 g_free(phys_srcpath);
2687                 g_free(phys_dstpath);
2688                 return F_MOVE_FAILED_DEST_IS_PARENT;
2689         }
2690         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2691         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2692                 return F_MOVE_FAILED;
2693         }
2694
2695         g_free(src_identifier);
2696         g_free(dst_identifier);
2697         g_free(phys_srcpath);
2698         g_free(phys_dstpath);
2699
2700         *new_item = tmp;
2701
2702         return F_MOVE_OK;
2703 }
2704
2705 /**
2706  * Copy a list of message to a new folder and remove
2707  * source messages if wanted
2708  */
2709 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2710 {
2711         Folder *folder;
2712         GSList *l;
2713         gint num, lastnum = -1;
2714         gboolean folderscan = FALSE;
2715         GRelation *relation;
2716         GSList *not_moved = NULL;
2717
2718         g_return_val_if_fail(dest != NULL, -1);
2719         g_return_val_if_fail(msglist != NULL, -1);
2720
2721         folder = dest->folder;
2722
2723         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2724         g_return_val_if_fail(dest->no_select == FALSE, -1);
2725
2726         relation = g_relation_new(2);
2727         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2728         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2729
2730         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2731                 MsgInfo * msginfo = (MsgInfo *) l->data;
2732
2733                 if (msginfo->planned_download != 0) {
2734                         int old_planned = msginfo->planned_download;
2735                         partial_unmark(msginfo);
2736                         /* little hack to reenable after */
2737                         msginfo->planned_download = old_planned;
2738                 }
2739         }
2740
2741         /*
2742          * Copy messages to destination folder and
2743          * store new message numbers in newmsgnums
2744          */
2745         if (folder->klass->copy_msgs != NULL) {
2746                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2747                         g_relation_destroy(relation);
2748                         return -1;
2749                 }
2750         } else {
2751                 MsgInfo * msginfo;
2752                 l = msglist;
2753
2754                 /* immediately stop if src and dest folders are identical */
2755                 if (l != NULL) {
2756                         msginfo = (MsgInfo *) l->data;
2757                         if (msginfo != NULL && msginfo->folder == dest) {
2758                                 g_relation_destroy(relation);
2759                                 return -1;
2760                         }
2761                 }
2762
2763                 for (; l != NULL ; l = g_slist_next(l)) {
2764                         msginfo = (MsgInfo *) l->data;
2765
2766                         num = folder->klass->copy_msg(folder, dest, msginfo);
2767                         if (num > 0)
2768                                 g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
2769                         else
2770                                 not_moved = g_slist_prepend(not_moved, msginfo);
2771                 }
2772         }
2773
2774         if (remove_source) {
2775                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
2776                 FolderItem *item = msginfo->folder;
2777                 /*
2778                  * Remove source messages from their folders if
2779                  * copying was successfull and update folder
2780                  * message counts
2781                  */
2782                 if (item->folder->klass->remove_msgs) {
2783                         item->folder->klass->remove_msgs(item->folder,
2784                                                                 msginfo->folder,
2785                                                                 msglist,
2786                                                                 relation);
2787                 }
2788                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
2789                         GTuples *tuples;
2790                         msginfo = (MsgInfo *) l->data;
2791                         item = msginfo->folder;
2792
2793                         tuples = g_relation_select(relation, msginfo, 0);
2794                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2795                         g_tuples_destroy(tuples);
2796
2797                         if (g_slist_find(not_moved, msginfo))
2798                                 continue;
2799
2800                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
2801                                 if (!item->folder->klass->remove_msgs)
2802                                         item->folder->klass->remove_msg(item->folder,
2803                                                                 msginfo->folder,
2804                                                                 msginfo->msgnum);
2805                                 remove_msginfo_from_cache(item, msginfo);
2806                         }
2807                 }
2808         }
2809
2810         /* Read cache for dest folder */
2811         if (!dest->cache) folder_item_read_cache(dest);
2812
2813         /*
2814          * Fetch new MsgInfos for new messages in dest folder,
2815          * add them to the msgcache and update folder message counts
2816          */
2817         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
2818                 folder_item_scan_full(dest, FALSE);
2819                 folderscan = TRUE;
2820         }
2821
2822         for (l = msglist; l != NULL; l = g_slist_next(l)) {
2823                 MsgInfo *msginfo = (MsgInfo *) l->data;
2824                 GTuples *tuples;
2825
2826                 tuples = g_relation_select(relation, msginfo, 0);
2827                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2828                 g_tuples_destroy(tuples);
2829
2830                 if (num >= 0) {
2831                         MsgInfo *newmsginfo = NULL;
2832
2833                         if (folderscan) {
2834                                 if (msginfo->msgid != NULL) {
2835                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
2836                                         if (newmsginfo != NULL) {
2837                                                 copy_msginfo_flags(msginfo, newmsginfo);
2838                                                 num = newmsginfo->msgnum;
2839                                         }
2840                                 }
2841                         } else {
2842                                 newmsginfo = get_msginfo(dest, num);
2843                                 if (newmsginfo != NULL) {
2844                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
2845                                 }
2846                         }
2847
2848                         if (msginfo->planned_download
2849                             == POP3_PARTIAL_DLOAD_DELE) {
2850                                 partial_mark_for_delete(newmsginfo);
2851                         }
2852                         if (msginfo->planned_download
2853                             == POP3_PARTIAL_DLOAD_DLOAD) {
2854                                 partial_mark_for_download(newmsginfo);
2855                         }
2856                         procmsg_msginfo_free(newmsginfo);
2857
2858
2859                         if (num > lastnum)
2860                                 lastnum = num;
2861                 }
2862         }
2863
2864         g_relation_destroy(relation);
2865         if (not_moved != NULL) {
2866                 g_slist_free(not_moved);
2867                 return -1;
2868         } else
2869                 return lastnum;
2870 }
2871
2872 /**
2873  * Move a message to a new folder.
2874  *
2875  * \param dest Destination folder
2876  * \param msginfo The message
2877  */
2878 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2879 {
2880         GSList list;
2881
2882         g_return_val_if_fail(dest != NULL, -1);
2883         g_return_val_if_fail(msginfo != NULL, -1);
2884
2885         list.data = msginfo;
2886         list.next = NULL;
2887
2888         return do_copy_msgs(dest, &list, TRUE);
2889 }
2890
2891 /**
2892  * Move a list of messages to a new folder.
2893  *
2894  * \param dest Destination folder
2895  * \param msglist List of messages
2896  */
2897 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
2898 {
2899         gint result = -1;
2900         g_return_val_if_fail(dest != NULL, -1);
2901         g_return_val_if_fail(msglist != NULL, -1);
2902         inc_lock();
2903         result = do_copy_msgs(dest, msglist, TRUE);
2904         inc_unlock();
2905         return result;
2906 }
2907
2908 /**
2909  * Copy a message to a new folder.
2910  *
2911  * \param dest Destination folder
2912  * \param msginfo The message
2913  */
2914 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2915 {
2916         GSList list;
2917
2918         g_return_val_if_fail(dest != NULL, -1);
2919         g_return_val_if_fail(msginfo != NULL, -1);
2920
2921         list.data = msginfo;
2922         list.next = NULL;
2923
2924         return do_copy_msgs(dest, &list, FALSE);
2925 }
2926
2927 /**
2928  * Copy a list of messages to a new folder.
2929  *
2930  * \param dest Destination folder
2931  * \param msglist List of messages
2932  */
2933 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
2934 {
2935         gint result;
2936         g_return_val_if_fail(dest != NULL, -1);
2937         g_return_val_if_fail(msglist != NULL, -1);
2938
2939         inc_lock();
2940         result = do_copy_msgs(dest, msglist, FALSE);
2941         inc_unlock();
2942
2943         return result;
2944 }
2945
2946 gint folder_item_remove_msg(FolderItem *item, gint num)
2947 {
2948         Folder *folder;
2949         gint ret;
2950         MsgInfo *msginfo;
2951
2952         g_return_val_if_fail(item != NULL, -1);
2953         folder = item->folder;
2954         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
2955         g_return_val_if_fail(item->no_select == FALSE, -1);
2956
2957         if (!item->cache) folder_item_read_cache(item);
2958
2959         ret = folder->klass->remove_msg(folder, item, num);
2960
2961         msginfo = msgcache_get_msg(item->cache, num);
2962         if (msginfo != NULL) {
2963                 remove_msginfo_from_cache(item, msginfo);
2964                 procmsg_msginfo_free(msginfo);
2965         }
2966
2967         return ret;
2968 }
2969
2970 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2971 {
2972         Folder *folder;
2973         gint ret = 0;
2974
2975         g_return_val_if_fail(item != NULL, -1);
2976         folder = item->folder;
2977         g_return_val_if_fail(folder != NULL, -1);
2978         g_return_val_if_fail(item->no_select == FALSE, -1);
2979         inc_lock();
2980         if (!item->cache) folder_item_read_cache(item);
2981
2982         folder_item_update_freeze();
2983         if (item->folder->klass->remove_msgs) {
2984                 ret = item->folder->klass->remove_msgs(item->folder,
2985                                                         item,
2986                                                         msglist,
2987                                                         NULL);
2988         }
2989         while (ret == 0 && msglist != NULL) {
2990                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2991                 if (MSG_IS_LOCKED(msginfo->flags)) {
2992                         msglist = msglist->next;
2993                         continue;
2994                 }
2995                 if (!item->folder->klass->remove_msgs)
2996                         ret = folder_item_remove_msg(item, msginfo->msgnum);
2997                 if (ret != 0) break;
2998                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2999                 msglist = msglist->next;
3000         }
3001         folder_item_scan_full(item, FALSE);
3002         folder_item_update_thaw();
3003         inc_unlock();
3004         return ret;
3005 }
3006
3007 gint folder_item_remove_all_msg(FolderItem *item)
3008 {
3009         Folder *folder;
3010         gint result;
3011
3012         g_return_val_if_fail(item != NULL, -1);
3013         g_return_val_if_fail(item->no_select == FALSE, -1);
3014
3015         folder = item->folder;
3016
3017         inc_lock();
3018         if (folder->klass->remove_all_msg != NULL) {
3019                 result = folder->klass->remove_all_msg(folder, item);
3020
3021                 if (result == 0) {
3022                         folder_item_free_cache(item);
3023                         item->cache = msgcache_new();
3024                 }
3025         } else {
3026                 MsgInfoList *msglist;
3027
3028                 msglist = folder_item_get_msg_list(item);
3029                 result = folder_item_remove_msgs(item, msglist);
3030                 procmsg_msg_list_free(msglist);
3031         }
3032
3033         if (result == 0) {
3034                 item->new_msgs = 0;
3035                 item->unread_msgs = 0;
3036                 item->unreadmarked_msgs = 0;
3037                 item->marked_msgs = 0;
3038                 item->total_msgs = 0;
3039                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3040         }
3041
3042         inc_unlock();
3043         return result;
3044 }
3045
3046 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3047 {
3048         g_return_if_fail(item != NULL);
3049         g_return_if_fail(msginfo != NULL);
3050         g_return_if_fail(item->no_select == FALSE);
3051
3052         if (item->folder->klass->change_flags != NULL) {
3053                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3054         } else {
3055                 msginfo->flags.perm_flags = newflags;
3056         }
3057 }
3058
3059 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3060 {
3061         Folder *folder;
3062
3063         g_return_val_if_fail(item != NULL, FALSE);
3064         g_return_val_if_fail(item->no_select == FALSE, FALSE);
3065
3066         folder = item->folder;
3067
3068         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3069
3070         return folder->klass->is_msg_changed(folder, item, msginfo);
3071 }
3072
3073 gchar *folder_item_get_cache_file(FolderItem *item)
3074 {
3075         gchar *path;
3076         gchar *file;
3077
3078         g_return_val_if_fail(item != NULL, NULL);
3079         g_return_val_if_fail(item->path != NULL, NULL);
3080
3081         path = folder_item_get_path(item);
3082         g_return_val_if_fail(path != NULL, NULL);
3083         if (!is_dir_exist(path))
3084                 make_dir_hier(path);
3085         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3086         g_free(path);
3087
3088         return file;
3089 }
3090
3091 gchar *folder_item_get_mark_file(FolderItem *item)
3092 {
3093         gchar *path;
3094         gchar *file;
3095
3096         g_return_val_if_fail(item != NULL, NULL);
3097         g_return_val_if_fail(item->path != NULL, NULL);
3098
3099         path = folder_item_get_path(item);
3100         g_return_val_if_fail(path != NULL, NULL);
3101         if (!is_dir_exist(path))
3102                 make_dir_hier(path);
3103         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3104         g_free(path);
3105
3106         return file;
3107 }
3108
3109 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
3110 {
3111         XMLNode *xmlnode = (XMLNode *) nodedata;
3112         Folder *folder = (Folder *) data;
3113         FolderItem *item;
3114
3115         g_return_val_if_fail(xmlnode != NULL, NULL);
3116         g_return_val_if_fail(folder != NULL, NULL);
3117
3118         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
3119                 g_warning("tag name != \"folderitem\"\n");
3120                 return NULL;
3121         }
3122
3123         item = folder_item_new(folder, "", "");
3124         if (folder->klass->item_set_xml != NULL)
3125                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
3126         else
3127                 folder_item_set_xml(folder, item, xmlnode->tag);
3128
3129         item->folder = folder;
3130
3131         switch (item->stype) {
3132         case F_INBOX:  folder->inbox  = item; break;
3133         case F_OUTBOX: folder->outbox = item; break;
3134         case F_DRAFT:  folder->draft  = item; break;
3135         case F_QUEUE:  folder->queue  = item; break;
3136         case F_TRASH:  folder->trash  = item; break;
3137         default:       break;
3138         }
3139         folder_item_prefs_read_config(item);
3140
3141         return item;
3142 }
3143
3144 static gboolean folder_item_set_node(GNode *node, gpointer data)
3145 {
3146         FolderItem *item = (FolderItem *) node->data;
3147         item->node = node;
3148
3149         return FALSE;
3150 }
3151
3152 static Folder *folder_get_from_xml(GNode *node)
3153 {
3154         Folder *folder;
3155         XMLNode *xmlnode;
3156         GList *list;
3157         FolderClass *klass = NULL;
3158         GNode *cur;
3159
3160         g_return_val_if_fail(node->data != NULL, NULL);
3161
3162         xmlnode = node->data;
3163         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
3164                 g_warning("tag name != \"folder\"\n");
3165                 return NULL;
3166         }
3167         list = xmlnode->tag->attr;
3168         for (; list != NULL; list = list->next) {
3169                 XMLAttr *attr = list->data;
3170
3171                 if (!attr || !attr->name || !attr->value) continue;
3172                 if (!strcmp(attr->name, "type"))
3173                         klass = folder_get_class_from_string(attr->value);
3174         }
3175         if (klass == NULL)
3176                 return NULL;
3177
3178         folder = folder_new(klass, "", "");
3179         g_return_val_if_fail(folder != NULL, NULL);
3180
3181         if (klass->set_xml)
3182                 klass->set_xml(folder, xmlnode->tag);
3183         else
3184                 folder_set_xml(folder, xmlnode->tag);
3185
3186         cur = node->children;
3187         while (cur != NULL) {
3188                 GNode *itemnode;
3189
3190                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
3191                 g_node_append(folder->node, itemnode);
3192                 cur = cur->next;
3193         }
3194         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
3195
3196         return folder;
3197 }
3198
3199 static gchar *folder_get_list_path(void)
3200 {
3201         static gchar *filename = NULL;
3202
3203         if (!filename)
3204                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3205                                         FOLDER_LIST, NULL);
3206
3207         return filename;
3208 }
3209
3210 #define PUT_ESCAPE_STR(fp, attr, str)                   \
3211 {                                                       \
3212         fputs(" " attr "=\"", fp);                      \
3213         xml_file_put_escape_str(fp, str);               \
3214         fputs("\"", fp);                                \
3215 }
3216
3217 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
3218 {
3219         FolderItem *item = (FolderItem *) nodedata;
3220         XMLTag *tag;
3221
3222         g_return_val_if_fail(item != NULL, NULL);
3223
3224         if (item->folder->klass->item_get_xml != NULL)
3225                 tag = item->folder->klass->item_get_xml(item->folder, item);
3226         else
3227                 tag = folder_item_get_xml(item->folder, item);
3228
3229         return xml_node_new(tag, NULL);
3230 }
3231
3232 static GNode *folder_get_xml_node(Folder *folder)
3233 {
3234         GNode *node;
3235         XMLNode *xmlnode;
3236         XMLTag *tag;
3237
3238         g_return_val_if_fail(folder != NULL, NULL);
3239
3240         if (folder->klass->get_xml != NULL)
3241                 tag = folder->klass->get_xml(folder);
3242         else
3243                 tag = folder_get_xml(folder);
3244
3245         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
3246
3247         xmlnode = xml_node_new(tag, NULL);
3248
3249         node = g_node_new(xmlnode);
3250         if (folder->node->children) {
3251                 GNode *cur;
3252
3253                 cur = folder->node->children;
3254                 while (cur) {
3255                         GNode *xmlnode;
3256
3257                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
3258                         g_node_append(node, xmlnode);
3259                         cur = cur->next;
3260                 }
3261         }
3262
3263         return node;
3264 }
3265
3266 static void folder_update_op_count_rec(GNode *node)
3267 {
3268         FolderItem *fitem = FOLDER_ITEM(node->data);
3269
3270         if (g_node_depth(node) > 0) {
3271                 if (fitem->op_count > 0) {
3272                         fitem->op_count = 0;
3273                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
3274                 }
3275                 if (node->children) {
3276                         GNode *child;
3277
3278                         child = node->children;
3279                         while (child) {
3280                                 GNode *cur;
3281
3282                                 cur = child;
3283                                 child = cur->next;
3284                                 folder_update_op_count_rec(cur);
3285                         }
3286                 }
3287         }
3288 }
3289
3290 void folder_update_op_count(void)
3291 {
3292         GList *cur;
3293         Folder *folder;
3294
3295         for (cur = folder_list; cur != NULL; cur = cur->next) {
3296                 folder = cur->data;
3297                 folder_update_op_count_rec(folder->node);
3298         }
3299 }
3300
3301 typedef struct _type_str {
3302         gchar * str;
3303         gint type;
3304 } type_str;
3305
3306
3307 /*
3308 static gchar * folder_item_get_tree_identifier(FolderItem * item)
3309 {
3310         if (item->parent != NULL) {
3311                 gchar * path;
3312                 gchar * id;
3313
3314                 path = folder_item_get_tree_identifier(item->parent);
3315                 if (path == NULL)
3316                         return NULL;
3317
3318                 id = g_strconcat(path, "/", item->name, NULL);
3319                 g_free(path);
3320
3321                 return id;
3322         }
3323         else {
3324                 return g_strconcat("/", item->name, NULL);
3325         }
3326 }
3327 */
3328
3329 /* CLAWS: temporary local folder for filtering */
3330 #define TEMP_FOLDER "TEMP_FOLDER"
3331 #define PROCESSING_FOLDER_ITEM "processing"
3332
3333 static FolderItem *processing_folder_item;
3334
3335 static void folder_create_processing_folder(void)
3336 {
3337         Folder *processing_folder;
3338         gchar      *tmpname;
3339
3340         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
3341                 gchar *tmppath;
3342
3343                 tmppath =
3344                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
3345                                 "tempfolder", NULL);
3346                 processing_folder =
3347                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
3348                 g_free(tmppath);
3349         }
3350         g_assert(processing_folder != NULL);
3351
3352         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
3353         if (LOCAL_FOLDER(processing_folder)->rootpath[0] == '/')
3354                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
3355                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3356                                       NULL);
3357         else
3358                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3359                                       LOCAL_FOLDER(processing_folder)->rootpath,
3360                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
3361                                       NULL);
3362
3363         if (!is_dir_exist(tmpname)) {
3364                 debug_print("*TMP* creating %s\n", tmpname);
3365                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
3366                                                                                  processing_folder->node->data,
3367                                                                                  PROCESSING_FOLDER_ITEM);
3368         } else {
3369                 debug_print("*TMP* already created\n");
3370                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
3371                 g_assert(processing_folder_item);
3372                 folder_item_append(processing_folder->node->data, processing_folder_item);
3373         }
3374         g_assert(processing_folder_item != NULL);
3375         g_free(tmpname);
3376 }
3377
3378 FolderItem *folder_get_default_processing(void)
3379 {
3380         if (!processing_folder_item) {
3381                 folder_create_processing_folder();
3382         }
3383         return processing_folder_item;
3384 }
3385
3386 /* folder_persist_prefs_new() - return hash table with persistent
3387  * settings (and folder name as key).
3388  * (note that in claws other options are in the folder_item_prefs_RC
3389  * file, so those don't need to be included in PersistPref yet)
3390  */
3391 GHashTable *folder_persist_prefs_new(Folder *folder)
3392 {
3393         GHashTable *pptable;
3394
3395         g_return_val_if_fail(folder, NULL);
3396         pptable = g_hash_table_new(g_str_hash, g_str_equal);
3397         folder_get_persist_prefs_recursive(folder->node, pptable);
3398         return pptable;
3399 }
3400
3401 void folder_persist_prefs_free(GHashTable *pptable)
3402 {
3403         g_return_if_fail(pptable);
3404         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
3405         g_hash_table_destroy(pptable);
3406 }
3407
3408 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
3409 {
3410         if (pptable == NULL || name == NULL) return NULL;
3411         return g_hash_table_lookup(pptable, name);
3412 }
3413
3414 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
3415 {
3416         const PersistPrefs *pp;
3417         gchar *id = folder_item_get_identifier(item);
3418
3419         pp = folder_get_persist_prefs(pptable, id);
3420         g_free(id);
3421
3422         if (!pp) return;
3423
3424         /* CLAWS: since not all folder properties have been migrated to
3425          * folderlist.xml, we need to call the old stuff first before
3426          * setting things that apply both to Main and Claws. */
3427         folder_item_prefs_read_config(item);
3428
3429         item->collapsed = pp->collapsed;
3430         item->thread_collapsed = pp->thread_collapsed;
3431         item->threaded  = pp->threaded;
3432         item->ret_rcpt  = pp->ret_rcpt;
3433         item->hide_read_msgs = pp->hide_read_msgs;
3434         item->sort_key  = pp->sort_key;
3435         item->sort_type = pp->sort_type;
3436 }
3437
3438 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
3439 {
3440         FolderItem *item = FOLDER_ITEM(node->data);
3441         PersistPrefs *pp;
3442         GNode *child, *cur;
3443         gchar *id;
3444
3445         g_return_if_fail(node != NULL);
3446         g_return_if_fail(item != NULL);
3447
3448         /* NOTE: item->path == NULL means top level folder; not interesting
3449          * to store preferences of that one.  */
3450         if (item->path) {
3451                 id = folder_item_get_identifier(item);
3452                 pp = g_new0(PersistPrefs, 1);
3453                 g_return_if_fail(pp != NULL);
3454                 pp->collapsed = item->collapsed;
3455                 pp->thread_collapsed = item->thread_collapsed;
3456                 pp->threaded  = item->threaded;
3457                 pp->ret_rcpt  = item->ret_rcpt;
3458                 pp->hide_read_msgs = item->hide_read_msgs;
3459                 pp->sort_key  = item->sort_key;
3460                 pp->sort_type = item->sort_type;
3461                 g_hash_table_insert(pptable, id, pp);
3462         }
3463
3464         if (node->children) {
3465                 child = node->children;
3466                 while (child) {
3467                         cur = child;
3468                         child = cur->next;
3469                         folder_get_persist_prefs_recursive(cur, pptable);
3470                 }
3471         }
3472 }
3473
3474 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
3475 {
3476         if (key)
3477                 g_free(key);
3478         if (val)
3479                 g_free(val);
3480         return TRUE;
3481 }
3482
3483 void folder_item_apply_processing(FolderItem *item)
3484 {
3485         GSList *processing_list;
3486         GSList *mlist, *cur;
3487         guint total = 0, curmsg = 0;
3488
3489         g_return_if_fail(item != NULL);
3490         g_return_if_fail(item->no_select == FALSE);
3491         processing_list = item->prefs->processing;
3492
3493         folder_item_update_freeze();
3494
3495         mlist = folder_item_get_msg_list(item);
3496         total = g_slist_length(mlist);
3497         statusbar_print_all(_("Processing messages..."));
3498         for (cur = mlist ; cur != NULL ; cur = cur->next) {
3499                 MsgInfo * msginfo;
3500
3501                 msginfo = (MsgInfo *) cur->data;
3502
3503                 /* reset parameters that can be modified by processing */
3504                 msginfo->hidden = 0;
3505                 msginfo->score = 0;
3506
3507                 statusbar_progress_all(curmsg++,total, 10);
3508
3509                 /* apply pre global rules */
3510                 filter_message_by_msginfo(pre_global_processing, msginfo);
3511
3512                 /* apply rules of the folder */
3513                 filter_message_by_msginfo(processing_list, msginfo);
3514
3515                 /* apply post global rules */
3516                 filter_message_by_msginfo(post_global_processing, msginfo);
3517
3518                 procmsg_msginfo_free(msginfo);
3519         }
3520         g_slist_free(mlist);
3521
3522         statusbar_progress_all(0,0,0);
3523         statusbar_pop_all();
3524
3525         folder_item_update_thaw();
3526 }
3527
3528 /*
3529  *  functions for handling FolderItem content changes
3530  */
3531 static gint folder_item_update_freeze_cnt = 0;
3532
3533 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
3534 {
3535         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
3536                 FolderItemUpdateData source;
3537
3538                 source.item = item;
3539                 source.update_flags = update_flags;
3540                 source.msg = msg;
3541                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3542         } else {
3543                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
3544         }
3545 }
3546
3547 /**
3548  * Notify the folder system about changes to a folder. If the
3549  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
3550  * be invoked, otherwise the changes will be remebered until
3551  * the folder system is thawed.
3552  *
3553  * \param item The FolderItem that was changed
3554  * \param update_flags Type of changed that was made
3555  */
3556 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
3557 {
3558         folder_item_update_with_msg(item, update_flags, NULL);
3559 }
3560
3561 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
3562 {
3563         GNode *node = item->folder->node;
3564
3565         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
3566         node = node->children;
3567
3568         folder_item_update(item, update_flags);
3569         while (node != NULL) {
3570                 if (node && node->data) {
3571                         FolderItem *next_item = (FolderItem*) node->data;
3572
3573                         folder_item_update(next_item, update_flags);
3574                 }
3575                 node = node->next;
3576         }
3577 }
3578
3579 void folder_item_update_freeze(void)
3580 {
3581         folder_item_update_freeze_cnt++;
3582 }
3583
3584 static void folder_item_update_func(FolderItem *item, gpointer data)
3585 {
3586         FolderItemUpdateData source;
3587
3588         if (item->update_flags) {
3589                 source.item = item;
3590                 source.update_flags = item->update_flags;
3591                 source.msg = NULL;
3592                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
3593                 item->update_flags = 0;
3594         }
3595 }
3596
3597 void folder_item_update_thaw(void)
3598 {
3599         if (folder_item_update_freeze_cnt > 0)
3600                 folder_item_update_freeze_cnt--;
3601         if (folder_item_update_freeze_cnt == 0) {
3602                 /* Update all folders */
3603                 folder_func_to_all_folders(folder_item_update_func, NULL);
3604         }
3605 }
3606
3607 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
3608 {
3609         Folder *folder = (Folder *)data;
3610         if (folder == NULL || item->folder == folder) {
3611                 if(item->prefs->offlinesync && item->folder->klass->synchronise)
3612                         item->folder->klass->synchronise(item);
3613         }
3614 }
3615
3616 void folder_synchronise(Folder *folder)
3617 {
3618         folder_func_to_all_folders(folder_item_synchronise_func, folder);
3619 }
3620
3621 typedef struct _WantSyncData {
3622         Folder *folder;
3623         gboolean want_sync;
3624 } WantSyncData;
3625
3626 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
3627 {
3628         WantSyncData *want_sync_data = (WantSyncData *)data;
3629
3630         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
3631                 if(item->prefs->offlinesync && item->folder->klass->synchronise)
3632                         want_sync_data->want_sync = TRUE;
3633                 else
3634                         want_sync_data->want_sync = FALSE;
3635         }
3636 }
3637
3638 gboolean folder_want_synchronise(Folder *folder)
3639 {
3640         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
3641         gboolean result;
3642         want_sync_data->folder = folder;
3643
3644         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
3645         result = want_sync_data->want_sync;
3646         g_free(want_sync_data);
3647         debug_print("Folder %s wants sync: %d\n", folder->name, result);
3648         return result;
3649 }
3650
3651 void folder_item_set_batch (FolderItem *item, gboolean batch)
3652 {
3653         if (item->folder->klass->set_batch) {
3654                 item->folder->klass->set_batch(item->folder, item, batch);
3655         }
3656 }
3657
3658 gboolean folder_has_parent_of_type(FolderItem *item,
3659                                           SpecialFolderItemType type)
3660 {
3661         FolderItem *cur = item;
3662
3663         /* if we already know it, make it short */
3664         if (item->parent_stype != -1) {
3665                 return (item->parent_stype == type);
3666         }
3667
3668         /* if we don't, find the type from the first possible parent,
3669          * and set our parent type to be faster next time */
3670         while (cur) {
3671                 if (cur->stype == type || cur->parent_stype == type) {
3672                         item->parent_stype = type;
3673                         return TRUE;
3674                 }
3675                 cur = folder_item_parent(cur);
3676         }
3677
3678         /* if we didn't match what was asked, we didn't return. If our
3679          * parent type is unknown, we may as well find it now to be faster
3680          * later. */
3681         if (item->parent_stype == -1) {
3682                 cur = item;
3683                 while (cur) {
3684                         /* here's an exception: Inbox subfolders are normal. */
3685                         if (item->parent_stype == -1 && cur->stype == F_INBOX
3686                         && item != cur) {
3687                                 debug_print("set item %s parent type to %d "
3688                                         "even if %s is F_INBOX\n",
3689                                         item->path ? item->path : "(null)",
3690                                         0, cur->path);
3691                                 item->parent_stype = F_NORMAL;
3692                                 break;
3693                         }
3694                         /* ah, we know this parent's parent's type, we may as
3695                          * well copy it instead of going up the full way */
3696                         if (cur->parent_stype != -1) {
3697                                 item->parent_stype = cur->parent_stype;
3698                                 debug_print("set item %s parent type to %d "
3699                                         "from %s's parent type\n",
3700                                         item->path ? item->path : "(null)",
3701                                         cur->parent_stype ? cur->parent_stype : 0,
3702                                         cur->path ? cur->path : "(null)");
3703                                 break;
3704                         }
3705                         /* we found a parent that has a special type. That's
3706                          * our parent type. */
3707                         if (cur->stype != F_NORMAL) {
3708                                 debug_print("set item %s parent type to %d "
3709                                         "from %s's type\n",
3710                                         item->path ? item->path : "(null)",
3711                                         cur->stype ? cur->stype : 0,
3712                                         cur->path ? cur->path : "(null)");
3713                                 cur->parent_stype = cur->stype;
3714                                 item->parent_stype = cur->stype;
3715                                 break;
3716                         }
3717                         /* if we didn't find anything, go up once more */
3718                         cur = folder_item_parent(cur);
3719                 }
3720                 /* as we still didn't find anything, our parents must all be
3721                  * normal. */
3722                 if (item->parent_stype == -1) {
3723                         debug_print("set item %s to 0 from default\n",
3724                                 item->path ? item->path : "(null)");
3725                         item->parent_stype = F_NORMAL;
3726                 }
3727         }
3728         return FALSE;
3729 }
3730
3731 #undef PUT_ESCAPE_STR