src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <unistd.h>
  32 #include <stdlib.h>
  33
  34 #include "intl.h"
  35 #include "folder.h"
  36 #include "session.h"
  37 #include "imap.h"
  38 #include "news.h"
  39 #include "mh.h"
  40 #include "utils.h"
  41 #include "xml.h"
  42 #include "codeconv.h"
  43 #include "prefs_gtk.h"
  44 #include "account.h"
  45 #include "filtering.h"
  46 #include "scoring.h"
  47 #include "procheader.h"
  48 #include "hooks.h"
  49 #include "log.h"
  50 #include "folder_item_prefs.h"
  51 #include "remotefolder.h"
  52
  53 /* Dependecies to be removed ?! */
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56
  57 static GList *folder_list = NULL;
  58
  59 void folder_init                (Folder         *folder,
  60                                  const gchar    *name);
  61
  62 static gboolean folder_read_folder_func (GNode          *node,
  63                                          gpointer        data);
  64 static gchar *folder_get_list_path      (void);
  65 static void folder_write_list_recursive (GNode          *node,
  66                                          gpointer        data);
  67 static void folder_update_op_count_rec  (GNode          *node);
  68
  69
  70 static void folder_get_persist_prefs_recursive
  71                                         (GNode *node, GHashTable *pptable);
  72 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  73 void folder_item_read_cache             (FolderItem *item);
  74 void folder_item_free_cache             (FolderItem *item);
  75 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  76
  77 static GSList *classlist;
  78
  79 void folder_system_init(void)
  80 {
  81         folder_register_class(mh_get_class());
  82         folder_register_class(imap_get_class());
  83         folder_register_class(news_get_class());
  84 }
  85
  86 GSList *folder_get_class_list(void)
  87 {
  88         return classlist;
  89 }
  90
  91 void folder_register_class(FolderClass *klass)
  92 {
  93         debug_print("registering folder class %s\n", klass->idstr);
  94         classlist = g_slist_append(classlist, klass);
  95 }
  96
  97 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
  98 {
  99         Folder *folder = NULL;
 100         FolderItem *item;
 101
 102         g_return_val_if_fail(klass != NULL, NULL);
 103
 104         name = name ? name : path;
 105         folder = klass->new_folder(name, path);
 106
 107         /* Create root folder item */
 108         item = folder_item_new(folder, name, NULL);
 109         item->folder = folder;
 110         folder->node = item->node = g_node_new(item);
 111         folder->data = NULL;
 112
 113         return folder;
 114 }
 115
 116 void folder_init(Folder *folder, const gchar *name)
 117 {
 118         g_return_if_fail(folder != NULL);
 119
 120         folder_set_name(folder, name);
 121
 122         /* Init folder data */
 123         folder->account = NULL;
 124         folder->inbox = NULL;
 125         folder->outbox = NULL;
 126         folder->draft = NULL;
 127         folder->queue = NULL;
 128         folder->trash = NULL;
 129 }
 130
 131 void folder_destroy(Folder *folder)
 132 {
 133         g_return_if_fail(folder != NULL);
 134         g_return_if_fail(folder->klass->destroy_folder != NULL);
 135
 136         folder_list = g_list_remove(folder_list, folder);
 137
 138         folder_tree_destroy(folder);
 139
 140         folder->klass->destroy_folder(folder);
 141
 142         g_free(folder->name);
 143         g_free(folder);
 144 }
 145
 146 void folder_set_xml(Folder *folder, XMLTag *tag)
 147 {
 148         GList *cur;
 149
 150         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 151                 XMLAttr *attr = (XMLAttr *) cur->data;
 152
 153                 if (!attr || !attr->name || !attr->value) continue;
 154                 if (!strcmp(attr->name, "name")) {
 155                         if (folder->name != NULL)
 156                                 g_free(folder->name);
 157                         folder->name = g_strdup(attr->value);
 158                 } else if (!strcmp(attr->name, "account_id")) {
 159                         PrefsAccount *account;
 160
 161                         account = account_find_from_id(atoi(attr->value));
 162                         if (!account)
 163                                 g_warning("account_id: %s not found\n", attr->value);
 164                         else {
 165                                 folder->account = account;
 166                                 account->folder = folder;
 167                         }
 168                 }
 169         }
 170 }
 171
 172 XMLTag *folder_get_xml(Folder *folder)
 173 {
 174         XMLTag *tag;
 175
 176         tag = g_new0(XMLTag, 1);
 177         tag->tag = g_strdup("folder");
 178
 179         if (folder->name)
 180                 xml_tag_add_attr(tag, "name", g_strdup(folder->name));
 181         if (folder->account)
 182                 xml_tag_add_attr(tag, "account_id", g_strdup_printf("%d", folder->account->account_id));
 183
 184         return tag;
 185 }
 186
 187 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 188 {
 189         FolderItem *item = NULL;
 190
 191         if (folder->klass->item_new) {
 192                 item = folder->klass->item_new(folder);
 193         } else {
 194                 item = g_new0(FolderItem, 1);
 195         }
 196
 197         g_return_val_if_fail(item != NULL, NULL);
 198
 199         item->stype = F_NORMAL;
 200         item->name = g_strdup(name);
 201         item->path = g_strdup(path);
 202         item->mtime = 0;
 203         item->new_msgs = 0;
 204         item->unread_msgs = 0;
 205         item->unreadmarked_msgs = 0;
 206         item->total_msgs = 0;
 207         item->last_num = -1;
 208         item->cache = NULL;
 209         item->no_sub = FALSE;
 210         item->no_select = FALSE;
 211         item->collapsed = FALSE;
 212         item->thread_collapsed = FALSE;
 213         item->threaded  = TRUE;
 214         item->ret_rcpt  = FALSE;
 215         item->opened    = FALSE;
 216         item->node = NULL;
 217         item->parent = NULL;
 218         item->folder = NULL;
 219         item->account = NULL;
 220         item->apply_sub = FALSE;
 221         item->mark_queue = NULL;
 222         item->data = NULL;
 223
 224         item->prefs = folder_item_prefs_new();
 225
 226         return item;
 227 }
 228
 229 void folder_item_append(FolderItem *parent, FolderItem *item)
 230 {
 231         g_return_if_fail(parent != NULL);
 232         g_return_if_fail(parent->folder != NULL);
 233         g_return_if_fail(parent->node != NULL);
 234         g_return_if_fail(item != NULL);
 235
 236         item->parent = parent;
 237         item->folder = parent->folder;
 238         item->node = g_node_append_data(parent->node, item);
 239 }
 240
 241 static gboolean folder_item_remove_func(GNode *node, gpointer data)
 242 {
 243         FolderItem *item = FOLDER_ITEM(node->data);
 244         FolderUpdateData hookdata;
 245
 246         if (item->cache != NULL) {
 247                 msgcache_destroy(item->cache);
 248                 item->cache = NULL;
 249         }
 250
 251         hookdata.folder = item->folder;
 252         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 253         hookdata.item = item;
 254         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 255
 256         folder_item_destroy(item);
 257
 258         return FALSE;
 259 }
 260
 261 void folder_item_remove(FolderItem *item)
 262 {
 263         GNode *node;
 264
 265         g_return_if_fail(item != NULL);
 266         g_return_if_fail(item->folder != NULL);
 267         g_return_if_fail(item->node != NULL);
 268
 269         node = item->node;
 270
 271         if (item->folder->node == node)
 272                 item->folder->node = NULL;
 273
 274         g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 275                         folder_item_remove_func, NULL);
 276         g_node_destroy(node);
 277 }
 278
 279 void folder_item_remove_children(FolderItem *item)
 280 {
 281         GNode *node, *next;
 282
 283         g_return_if_fail(item != NULL);
 284         g_return_if_fail(item->folder != NULL);
 285         g_return_if_fail(item->node != NULL);
 286
 287         node = item->node->children;
 288         while (node != NULL) {
 289                 next = node->next;
 290                 folder_item_remove(FOLDER_ITEM(node->data));
 291                 node = next;
 292         }
 293 }
 294
 295 void folder_item_destroy(FolderItem *item)
 296 {
 297         Folder *folder;
 298
 299         g_return_if_fail(item != NULL);
 300
 301         folder = item->folder;
 302         if (folder) {
 303                 if (folder->inbox == item)
 304                         folder->inbox = NULL;
 305                 else if (folder->outbox == item)
 306                         folder->outbox = NULL;
 307                 else if (folder->draft == item)
 308                         folder->draft = NULL;
 309                 else if (folder->queue == item)
 310                         folder->queue = NULL;
 311                 else if (folder->trash == item)
 312                         folder->trash = NULL;
 313         }
 314
 315         if (item->cache)
 316                 folder_item_free_cache(item);
 317         if (item->prefs)
 318                 folder_item_prefs_free(item->prefs);
 319         g_free(item->name);
 320         g_free(item->path);
 321
 322         if (item->folder != NULL) {
 323                 if(item->folder->klass->item_destroy) {
 324                         item->folder->klass->item_destroy(item->folder, item);
 325                 } else {
 326                         g_free(item);
 327                 }
 328         }
 329 }
 330
 331 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 332 {
 333         GList *cur;
 334
 335         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 336                 XMLAttr *attr = (XMLAttr *) cur->data;
 337
 338                 if (!attr || !attr->name || !attr->value) continue;
 339                 if (!strcmp(attr->name, "type")) {
 340                         if (!strcasecmp(attr->value, "normal"))
 341                                 item->stype = F_NORMAL;
 342                         else if (!strcasecmp(attr->value, "inbox"))
 343                                 item->stype = F_INBOX;
 344                         else if (!strcasecmp(attr->value, "outbox"))
 345                                 item->stype = F_OUTBOX;
 346                         else if (!strcasecmp(attr->value, "draft"))
 347                                 item->stype = F_DRAFT;
 348                         else if (!strcasecmp(attr->value, "queue"))
 349                                 item->stype = F_QUEUE;
 350                         else if (!strcasecmp(attr->value, "trash"))
 351                                 item->stype = F_TRASH;
 352                 } else if (!strcmp(attr->name, "name")) {
 353                         if (item->name != NULL)
 354                                 g_free(item->name);
 355                         item->name = g_strdup(attr->value);
 356                 } else if (!strcmp(attr->name, "path")) {
 357                         if (item->path != NULL)
 358                                 g_free(item->path);
 359                         item->path = g_strdup(attr->value);
 360                 } else if (!strcmp(attr->name, "mtime"))
 361                         item->mtime = strtoul(attr->value, NULL, 10);
 362                 else if (!strcmp(attr->name, "new"))
 363                         item->new_msgs = atoi(attr->value);
 364                 else if (!strcmp(attr->name, "unread"))
 365                         item->unread_msgs = atoi(attr->value);
 366                 else if (!strcmp(attr->name, "unreadmarked"))
 367                         item->unreadmarked_msgs = atoi(attr->value);
 368                 else if (!strcmp(attr->name, "total"))
 369                         item->total_msgs = atoi(attr->value);
 370                 else if (!strcmp(attr->name, "no_sub"))
 371                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 372                 else if (!strcmp(attr->name, "no_select"))
 373                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 374                 else if (!strcmp(attr->name, "collapsed"))
 375                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 376                 else if (!strcmp(attr->name, "thread_collapsed"))
 377                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 378                 else if (!strcmp(attr->name, "threaded"))
 379                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 380                 else if (!strcmp(attr->name, "hidereadmsgs"))
 381                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 382                 else if (!strcmp(attr->name, "reqretrcpt"))
 383                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 384                 else if (!strcmp(attr->name, "sort_key")) {
 385                         if (!strcmp(attr->value, "none"))
 386                                 item->sort_key = SORT_BY_NONE;
 387                         else if (!strcmp(attr->value, "number"))
 388                                 item->sort_key = SORT_BY_NUMBER;
 389                         else if (!strcmp(attr->value, "size"))
 390                                 item->sort_key = SORT_BY_SIZE;
 391                         else if (!strcmp(attr->value, "date"))
 392                                 item->sort_key = SORT_BY_DATE;
 393                         else if (!strcmp(attr->value, "from"))
 394                                 item->sort_key = SORT_BY_FROM;
 395                         else if (!strcmp(attr->value, "subject"))
 396                                 item->sort_key = SORT_BY_SUBJECT;
 397                         else if (!strcmp(attr->value, "score"))
 398                                 item->sort_key = SORT_BY_SCORE;
 399                         else if (!strcmp(attr->value, "label"))
 400                                 item->sort_key = SORT_BY_LABEL;
 401                         else if (!strcmp(attr->value, "mark"))
 402                                 item->sort_key = SORT_BY_MARK;
 403                         else if (!strcmp(attr->value, "unread"))
 404                                 item->sort_key = SORT_BY_STATUS;
 405                         else if (!strcmp(attr->value, "mime"))
 406                                 item->sort_key = SORT_BY_MIME;
 407                         else if (!strcmp(attr->value, "to"))
 408                                 item->sort_key = SORT_BY_TO;
 409                         else if (!strcmp(attr->value, "locked"))
 410                                 item->sort_key = SORT_BY_LOCKED;
 411                 } else if (!strcmp(attr->name, "sort_type")) {
 412                         if (!strcmp(attr->value, "ascending"))
 413                                 item->sort_type = SORT_ASCENDING;
 414                         else
 415                                 item->sort_type = SORT_DESCENDING;
 416                 } else if (!strcmp(attr->name, "account_id")) {
 417                         PrefsAccount *account;
 418
 419                         account = account_find_from_id(atoi(attr->value));
 420                         if (!account)
 421                                 g_warning("account_id: %s not found\n", attr->value);
 422                         else
 423                                 item->account = account;
 424                 } else if (!strcmp(attr->name, "apply_sub"))
 425                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 426         }
 427 }
 428
 429 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 430 {
 431         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 432                                                  "draft", "queue", "trash"};
 433         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 434                                         "from", "subject", "score", "label",
 435                                         "mark", "unread", "mime", "to",
 436                                         "locked"};
 437         XMLTag *tag;
 438
 439         tag = g_new0(XMLTag, 1);
 440         tag->tag = g_strdup("folderitem");
 441
 442         xml_tag_add_attr(tag, "type", g_strdup(folder_item_stype_str[item->stype]));
 443         if (item->name)
 444                 xml_tag_add_attr(tag, "name", g_strdup(item->name));
 445         if (item->path)
 446                 xml_tag_add_attr(tag, "path", g_strdup(item->path));
 447         if (item->no_sub)
 448                 xml_tag_add_attr(tag, "no_sub", g_strdup("1"));
 449         if (item->no_select)
 450                 xml_tag_add_attr(tag, "no_select", g_strdup("1"));
 451         xml_tag_add_attr(tag, "collapsed", g_strdup(item->collapsed && item->node->children ? "1" : "0"));
 452         xml_tag_add_attr(tag, "thread_collapsed", g_strdup(item->thread_collapsed ? "1" : "0"));
 453         xml_tag_add_attr(tag, "threaded", g_strdup(item->threaded ? "1" : "0"));
 454         xml_tag_add_attr(tag, "hidereadmsgs", g_strdup(item->hide_read_msgs ? "1" : "0"));
 455         if (item->ret_rcpt)
 456                 xml_tag_add_attr(tag, "reqretrcpt", g_strdup("1"));
 457
 458         if (item->sort_key != SORT_BY_NONE) {
 459                 xml_tag_add_attr(tag, "sort_key", g_strdup(sort_key_str[item->sort_key]));
 460                 xml_tag_add_attr(tag, "sort_type", g_strdup(item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 461         }
 462
 463         xml_tag_add_attr(tag, "mtime", g_strdup_printf("%ld", (unsigned long int) item->mtime));
 464         xml_tag_add_attr(tag, "new", g_strdup_printf("%d", item->new_msgs));
 465         xml_tag_add_attr(tag, "unread", g_strdup_printf("%d", item->unread_msgs));
 466         xml_tag_add_attr(tag, "unreadmarked", g_strdup_printf("%d", item->unreadmarked_msgs));
 467         xml_tag_add_attr(tag, "total", g_strdup_printf("%d", item->total_msgs));
 468
 469         if (item->account)
 470                 xml_tag_add_attr(tag, "account_id", g_strdup_printf("%d", item->account->account_id));
 471         if (item->apply_sub)
 472                 xml_tag_add_attr(tag, "apply_sub", g_strdup("1"));
 473
 474         return tag;
 475 }
 476
 477 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 478 {
 479         g_return_if_fail(folder != NULL);
 480
 481         folder->ui_func = func;
 482         folder->ui_func_data = data;
 483 }
 484
 485 void folder_set_name(Folder *folder, const gchar *name)
 486 {
 487         g_return_if_fail(folder != NULL);
 488
 489         g_free(folder->name);
 490         folder->name = name ? g_strdup(name) : NULL;
 491         if (folder->node && folder->node->data) {
 492                 FolderItem *item = (FolderItem *)folder->node->data;
 493
 494                 g_free(item->name);
 495                 item->name = name ? g_strdup(name) : NULL;
 496         }
 497 }
 498
 499 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 500         FolderItem *item = (FolderItem *) node->data;
 501
 502         folder_item_destroy(item);
 503         return FALSE;
 504 }
 505
 506 void folder_tree_destroy(Folder *folder)
 507 {
 508         GNode *node;
 509
 510         g_return_if_fail(folder != NULL);
 511
 512         node = folder->node;
 513
 514         prefs_scoring_clear_folder(folder);
 515         prefs_filtering_clear_folder(folder);
 516
 517         if (node != NULL) {
 518                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 519                                 folder_tree_destroy_func, NULL);
 520                 g_node_destroy(node);
 521                 folder->node = NULL;
 522         }
 523 }
 524
 525 void folder_add(Folder *folder)
 526 {
 527         Folder *cur_folder;
 528         GList *cur;
 529         gint i;
 530
 531         g_return_if_fail(folder != NULL);
 532
 533         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 534                 cur_folder = FOLDER(cur->data);
 535                 if (FOLDER_TYPE(folder) == F_MH) {
 536                         if (FOLDER_TYPE(cur_folder) != F_MH) break;
 537                 } else if (FOLDER_TYPE(folder) == F_MBOX) {
 538                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 539                             FOLDER_TYPE(cur_folder) != F_MBOX) break;
 540                 } else if (FOLDER_TYPE(folder) == F_IMAP) {
 541                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 542                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 543                             FOLDER_TYPE(cur_folder) != F_IMAP) break;
 544                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
 545                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 546                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 547                             FOLDER_TYPE(cur_folder) != F_IMAP &&
 548                             FOLDER_TYPE(cur_folder) != F_NEWS) break;
 549                 }
 550         }
 551
 552         folder_list = g_list_insert(folder_list, folder, i);
 553 }
 554
 555 GList *folder_get_list(void)
 556 {
 557         return folder_list;
 558 }
 559
 560 gint folder_read_list(void)
 561 {
 562         GNode *node;
 563         XMLNode *xmlnode;
 564         gchar *path;
 565
 566         path = folder_get_list_path();
 567         if (!is_file_exist(path)) return -1;
 568         node = xml_parse_file(path);
 569         if (!node) return -1;
 570
 571         xmlnode = node->data;
 572         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 573                 g_warning("wrong folder list\n");
 574                 xml_free_tree(node);
 575                 return -1;
 576         }
 577
 578         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 579                         folder_read_folder_func, NULL);
 580
 581         xml_free_tree(node);
 582         if (folder_list)
 583                 return 0;
 584         else
 585                 return -1;
 586 }
 587
 588 void folder_write_list(void)
 589 {
 590         GList *list;
 591         Folder *folder;
 592         gchar *path;
 593         PrefFile *pfile;
 594
 595         path = folder_get_list_path();
 596         if ((pfile = prefs_write_open(path)) == NULL) return;
 597
 598         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 599                 conv_get_current_charset_str());
 600         fputs("\n<folderlist>\n", pfile->fp);
 601
 602         for (list = folder_list; list != NULL; list = list->next) {
 603                 folder = list->data;
 604                 folder_write_list_recursive(folder->node, pfile->fp);
 605         }
 606
 607         fputs("</folderlist>\n", pfile->fp);
 608
 609         if (prefs_file_close(pfile) < 0)
 610                 g_warning("failed to write folder list.\n");
 611 }
 612
 613 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 614 {
 615         GHashTable *pptable = (GHashTable *)data;
 616         FolderItem *item = (FolderItem *)node->data;
 617
 618         folder_item_restore_persist_prefs(item, pptable);
 619         folder_item_scan_full(item, FALSE);
 620
 621         return FALSE;
 622 }
 623
 624 void folder_scan_tree(Folder *folder)
 625 {
 626         GHashTable *pptable;
 627         FolderUpdateData hookdata;
 628
 629         if (!folder->klass->scan_tree)
 630                 return;
 631
 632         pptable = folder_persist_prefs_new(folder);
 633
 634         /*
 635          * should be changed and tree update should be done without
 636          * destroying the tree first
 637          */
 638         folder_tree_destroy(folder);
 639         folder->klass->scan_tree(folder);
 640
 641         hookdata.folder = folder;
 642         hookdata.update_flags = FOLDER_TREE_CHANGED;
 643         hookdata.item = NULL;
 644         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 645
 646         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 647         folder_persist_prefs_free(pptable);
 648
 649         prefs_matcher_read_config();
 650
 651         folder_write_list();
 652 }
 653
 654 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 655 {
 656         FolderItem *new_item;
 657         FolderUpdateData hookdata;
 658
 659         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 660         if (new_item) {
 661                 new_item->cache = msgcache_new();
 662
 663                 hookdata.folder = new_item->folder;
 664                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_NEW_FOLDERITEM;
 665                 hookdata.item = new_item;
 666                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 667         }
 668
 669         return new_item;
 670 }
 671
 672 struct TotalMsgCount
 673 {
 674         guint new_msgs;
 675         guint unread_msgs;
 676         guint unreadmarked_msgs;
 677         guint total_msgs;
 678 };
 679
 680 struct FuncToAllFoldersData
 681 {
 682         FolderItemFunc  function;
 683         gpointer        data;
 684 };
 685
 686 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 687 {
 688         FolderItem *item;
 689         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 690
 691         g_return_val_if_fail(node->data != NULL, FALSE);
 692
 693         item = FOLDER_ITEM(node->data);
 694         g_return_val_if_fail(item != NULL, FALSE);
 695
 696         function_data->function(item, function_data->data);
 697
 698         return FALSE;
 699 }
 700
 701 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 702 {
 703         GList *list;
 704         Folder *folder;
 705         struct FuncToAllFoldersData function_data;
 706
 707         function_data.function = function;
 708         function_data.data = data;
 709
 710         for (list = folder_list; list != NULL; list = list->next) {
 711                 folder = FOLDER(list->data);
 712                 if (folder->node)
 713                         g_node_traverse(folder->node, G_PRE_ORDER,
 714                                         G_TRAVERSE_ALL, -1,
 715                                         folder_func_to_all_folders_func,
 716                                         &function_data);
 717         }
 718 }
 719
 720 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 721 {
 722         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 723
 724         count->new_msgs += item->new_msgs;
 725         count->unread_msgs += item->unread_msgs;
 726         count->unreadmarked_msgs += item->unreadmarked_msgs;
 727         count->total_msgs += item->total_msgs;
 728 }
 729
 730 struct TotalMsgStatus
 731 {
 732         guint new;
 733         guint unread;
 734         guint total;
 735         GString *str;
 736 };
 737
 738 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 739 {
 740         FolderItem *item;
 741         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 742         gchar *id;
 743
 744         g_return_val_if_fail(node->data != NULL, FALSE);
 745
 746         item = FOLDER_ITEM(node->data);
 747
 748         if (!item->path) return FALSE;
 749
 750         status->new += item->new_msgs;
 751         status->unread += item->unread_msgs;
 752         status->total += item->total_msgs;
 753
 754         if (status->str) {
 755                 id = folder_item_get_identifier(item);
 756                 g_string_sprintfa(status->str, "%5d %5d %5d %s\n",
 757                                   item->new_msgs, item->unread_msgs,
 758                                   item->total_msgs, id);
 759                 g_free(id);
 760         }
 761
 762         return FALSE;
 763  }
 764
 765 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
 766                                        guint *total)
 767 {
 768         GList *list;
 769         Folder *folder;
 770         struct TotalMsgStatus status;
 771
 772         status.new = status.unread = status.total = 0;
 773         status.str = str;
 774
 775         debug_print("Counting total number of messages...\n");
 776
 777         for (list = folder_list; list != NULL; list = list->next) {
 778                 folder = FOLDER(list->data);
 779                 if (folder->node)
 780                         g_node_traverse(folder->node, G_PRE_ORDER,
 781                                         G_TRAVERSE_ALL, -1,
 782                                         folder_get_status_full_all_func,
 783                                         &status);
 784         }
 785
 786         *new = status.new;
 787         *unread = status.unread;
 788         *total = status.total;
 789 }
 790
 791 gchar *folder_get_status(GPtrArray *folders, gboolean full)
 792 {
 793         guint new, unread, total;
 794         GString *str;
 795         gint i;
 796         gchar *ret;
 797
 798         new = unread = total = 0;
 799
 800         str = g_string_new(NULL);
 801
 802         if (folders) {
 803                 for (i = 0; i < folders->len; i++) {
 804                         FolderItem *item;
 805
 806                         item = g_ptr_array_index(folders, i);
 807                         new += item->new_msgs;
 808                         unread += item->unread_msgs;
 809                         total += item->total_msgs;
 810
 811                         if (full) {
 812                                 gchar *id;
 813
 814                                 id = folder_item_get_identifier(item);
 815                                 g_string_sprintfa(str, "%5d %5d %5d %s\n",
 816                                                   item->new_msgs, item->unread_msgs,
 817                                                   item->total_msgs, id);
 818                                 g_free(id);
 819                         }
 820                 }
 821         } else {
 822                 folder_get_status_full_all(full ? str : NULL,
 823                                            &new, &unread, &total);
 824         }
 825
 826         if (full)
 827                 g_string_sprintfa(str, "%5d %5d %5d\n", new, unread, total);
 828         else
 829                 g_string_sprintfa(str, "%d %d %d\n", new, unread, total);
 830
 831         ret = str->str;
 832         g_string_free(str, FALSE);
 833
 834         return ret;
 835 }
 836
 837 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs, guint *unreadmarked_msgs, guint *total_msgs)
 838 {
 839         struct TotalMsgCount count;
 840
 841         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
 842
 843         debug_print("Counting total number of messages...\n");
 844
 845         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 846
 847         *new_msgs = count.new_msgs;
 848         *unread_msgs = count.unread_msgs;
 849         *unreadmarked_msgs = count.unreadmarked_msgs;
 850         *total_msgs = count.total_msgs;
 851 }
 852
 853 Folder *folder_find_from_path(const gchar *path)
 854 {
 855         GList *list;
 856         Folder *folder;
 857
 858         for (list = folder_list; list != NULL; list = list->next) {
 859                 folder = list->data;
 860                 if ((FOLDER_TYPE(folder) == F_MH ||
 861                      FOLDER_TYPE(folder) == F_MBOX) &&
 862                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 863                         return folder;
 864         }
 865
 866         return NULL;
 867 }
 868
 869 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
 870 {
 871         GList *list;
 872         Folder *folder;
 873
 874         for (list = folder_list; list != NULL; list = list->next) {
 875                 folder = list->data;
 876                 if (folder->klass == klass &&
 877                     strcmp2(name, folder->name) == 0)
 878                         return folder;
 879         }
 880
 881         return NULL;
 882 }
 883
 884 static gboolean folder_item_find_func(GNode *node, gpointer data)
 885 {
 886         FolderItem *item = node->data;
 887         gpointer *d = data;
 888         const gchar *path = d[0];
 889
 890         if (path_cmp(path, item->path) != 0)
 891                 return FALSE;
 892
 893         d[1] = item;
 894
 895         return TRUE;
 896 }
 897
 898 FolderItem *folder_find_item_from_path(const gchar *path)
 899 {
 900         Folder *folder;
 901         gpointer d[2];
 902
 903         folder = folder_get_default_folder();
 904         g_return_val_if_fail(folder != NULL, NULL);
 905
 906         d[0] = (gpointer)path;
 907         d[1] = NULL;
 908         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 909                         folder_item_find_func, d);
 910         return d[1];
 911 }
 912
 913 FolderClass *folder_get_class_from_string(const gchar *str)
 914 {
 915         GSList *classlist;
 916
 917         classlist = folder_get_class_list();
 918         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
 919                 FolderClass *class = (FolderClass *) classlist->data;
 920                 if (g_strcasecmp(class->idstr, str) == 0)
 921                         return class;
 922         }
 923
 924         return NULL;
 925 }
 926
 927 gchar *folder_get_identifier(Folder *folder)
 928 {
 929         gchar *type_str;
 930
 931         g_return_val_if_fail(folder != NULL, NULL);
 932
 933         type_str = folder->klass->idstr;
 934         return g_strconcat("#", type_str, "/", folder->name, NULL);
 935 }
 936
 937 gchar *folder_item_get_identifier(FolderItem *item)
 938 {
 939         gchar *id;
 940         gchar *folder_id;
 941
 942         g_return_val_if_fail(item != NULL, NULL);
 943         g_return_val_if_fail(item->path != NULL, NULL);
 944
 945         folder_id = folder_get_identifier(item->folder);
 946         id = g_strconcat(folder_id, "/", item->path, NULL);
 947         g_free(folder_id);
 948
 949         return id;
 950 }
 951
 952 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 953 {
 954         Folder *folder;
 955         gpointer d[2];
 956         gchar *str;
 957         gchar *p;
 958         gchar *name;
 959         gchar *path;
 960         FolderClass *class;
 961
 962         g_return_val_if_fail(identifier != NULL, NULL);
 963
 964         if (*identifier != '#')
 965                 return folder_find_item_from_path(identifier);
 966
 967         Xstrdup_a(str, identifier, return NULL);
 968
 969         p = strchr(str, '/');
 970         if (!p)
 971                 return folder_find_item_from_path(identifier);
 972         *p = '\0';
 973         p++;
 974         class = folder_get_class_from_string(&str[1]);
 975         if (class == NULL)
 976                 return folder_find_item_from_path(identifier);
 977
 978         name = p;
 979         p = strchr(p, '/');
 980         if (!p)
 981                 return folder_find_item_from_path(identifier);
 982         *p = '\0';
 983         p++;
 984
 985         folder = folder_find_from_name(name, class);
 986         if (!folder)
 987                 return folder_find_item_from_path(identifier);
 988
 989         path = p;
 990
 991         d[0] = (gpointer)path;
 992         d[1] = NULL;
 993         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 994                         folder_item_find_func, d);
 995         return d[1];
 996 }
 997
 998 /**
 999  * Get a displayable name for a FolderItem
1000  *
1001  * \param item FolderItem for that a name should be created
1002  * \return Displayable name for item, returned string has to
1003  *         be freed
1004  */
1005 gchar *folder_item_get_name(FolderItem *item)
1006 {
1007         gchar *name = NULL;
1008
1009         g_return_val_if_fail(item != NULL, g_strdup(""));
1010
1011         switch (item->stype) {
1012         case F_INBOX:
1013                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1014                                 item->name);
1015                 break;
1016         case F_OUTBOX:
1017                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1018                                 item->name);
1019                 break;
1020         case F_QUEUE:
1021                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1022                                 item->name);
1023                 break;
1024         case F_TRASH:
1025                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1026                                 item->name);
1027                 break;
1028         case F_DRAFT:
1029                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1030                                 item->name);
1031                 break;
1032         default:
1033                 break;
1034         }
1035
1036         if (name == NULL) {
1037                 /*
1038                  * should probably be done by a virtual function,
1039                  * the folder knows the ui string and how to abbrev
1040                 */
1041                 if (!item->parent) {
1042                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1043                 } else {
1044                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1045                             item->path && !strcmp2(item->name, item->path))
1046                                 name = get_abbrev_newsgroup_name
1047                                         (item->path,
1048                                          prefs_common.ng_abbrev_len);
1049                         else
1050                                 name = g_strdup(item->name);
1051                 }
1052         }
1053
1054         if (name == NULL)
1055                 name = g_strdup("");
1056
1057         return name;
1058 }
1059
1060 Folder *folder_get_default_folder(void)
1061 {
1062         return folder_list ? FOLDER(folder_list->data) : NULL;
1063 }
1064
1065 FolderItem *folder_get_default_inbox(void)
1066 {
1067         Folder *folder;
1068
1069         if (!folder_list) return NULL;
1070         folder = FOLDER(folder_list->data);
1071         g_return_val_if_fail(folder != NULL, NULL);
1072         return folder->inbox;
1073 }
1074
1075 FolderItem *folder_get_default_outbox(void)
1076 {
1077         Folder *folder;
1078
1079         if (!folder_list) return NULL;
1080         folder = FOLDER(folder_list->data);
1081         g_return_val_if_fail(folder != NULL, NULL);
1082         return folder->outbox;
1083 }
1084
1085 FolderItem *folder_get_default_draft(void)
1086 {
1087         Folder *folder;
1088
1089         if (!folder_list) return NULL;
1090         folder = FOLDER(folder_list->data);
1091         g_return_val_if_fail(folder != NULL, NULL);
1092         return folder->draft;
1093 }
1094
1095 FolderItem *folder_get_default_queue(void)
1096 {
1097         Folder *folder;
1098
1099         if (!folder_list) return NULL;
1100         folder = FOLDER(folder_list->data);
1101         g_return_val_if_fail(folder != NULL, NULL);
1102         return folder->queue;
1103 }
1104
1105 FolderItem *folder_get_default_trash(void)
1106 {
1107         Folder *folder;
1108
1109         if (!folder_list) return NULL;
1110         folder = FOLDER(folder_list->data);
1111         g_return_val_if_fail(folder != NULL, NULL);
1112         return folder->trash;
1113 }
1114
1115 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1116 {                                                               \
1117         if (!folder->member) {                                  \
1118                 item = folder_item_new(folder, dir, dir);       \
1119                 item->stype = type;                             \
1120                 folder_item_append(rootitem, item);             \
1121                 folder->member = item;                          \
1122         }                                                       \
1123 }
1124
1125 void folder_set_missing_folders(void)
1126 {
1127         Folder *folder;
1128         FolderItem *rootitem;
1129         FolderItem *item;
1130         GList *list;
1131
1132         for (list = folder_list; list != NULL; list = list->next) {
1133                 folder = list->data;
1134                 if (FOLDER_TYPE(folder) != F_MH) continue;
1135                 rootitem = FOLDER_ITEM(folder->node->data);
1136                 g_return_if_fail(rootitem != NULL);
1137
1138                 if (folder->inbox && folder->outbox && folder->draft &&
1139                     folder->queue && folder->trash)
1140                         continue;
1141
1142                 if (folder->klass->create_tree(folder) < 0) {
1143                         g_warning("%s: can't create the folder tree.\n",
1144                                   LOCAL_FOLDER(folder)->rootpath);
1145                         continue;
1146                 }
1147
1148                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1149                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1150                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1151                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1152                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1153         }
1154 }
1155
1156 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1157 {
1158         FolderItem *item = node->data;
1159         PrefsAccount *account = data;
1160
1161         if (item->account == account)
1162                 item->account = NULL;
1163
1164         return FALSE;
1165 }
1166
1167 void folder_unref_account_all(PrefsAccount *account)
1168 {
1169         Folder *folder;
1170         GList *list;
1171
1172         if (!account) return;
1173
1174         for (list = folder_list; list != NULL; list = list->next) {
1175                 folder = list->data;
1176                 if (folder->account == account)
1177                         folder->account = NULL;
1178                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1179                                 folder_unref_account_func, account);
1180         }
1181 }
1182
1183 #undef CREATE_FOLDER_IF_NOT_EXIST
1184
1185 gchar *folder_item_get_path(FolderItem *item)
1186 {
1187         Folder *folder;
1188
1189         g_return_val_if_fail(item != NULL, NULL);
1190         folder = item->folder;
1191         g_return_val_if_fail(folder != NULL, NULL);
1192
1193         return folder->klass->item_get_path(folder, item);
1194 }
1195
1196 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
1197 {
1198         if (!(dest->stype == F_OUTBOX ||
1199               dest->stype == F_QUEUE  ||
1200               dest->stype == F_DRAFT  ||
1201               dest->stype == F_TRASH)) {
1202                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
1203         } else {
1204                 flags->perm_flags = 0;
1205         }
1206         flags->tmp_flags = MSG_CACHED;
1207         if (FOLDER_TYPE(dest->folder) == F_MH) {
1208                 if (dest->stype == F_QUEUE) {
1209                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
1210                 } else if (dest->stype == F_DRAFT) {
1211                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
1212                 }
1213         }
1214 }
1215
1216 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1217 {
1218         MsgInfo *msginfo_a = (MsgInfo *) a;
1219         MsgInfo *msginfo_b = (MsgInfo *) b;
1220
1221         return (msginfo_a->msgnum - msginfo_b->msgnum);
1222 }
1223
1224 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1225 {
1226         guint gint_a = GPOINTER_TO_INT(a);
1227         guint gint_b = GPOINTER_TO_INT(b);
1228
1229         return (gint_a - gint_b);
1230 }
1231
1232 gint folder_item_open(FolderItem *item)
1233 {
1234         if((item->folder->klass->scan_required != NULL) && (item->folder->klass->scan_required(item->folder, item))) {
1235                 folder_item_scan_full(item, TRUE);
1236         }
1237
1238         /* Processing */
1239         if(item->prefs->processing != NULL) {
1240                 gchar *buf;
1241
1242                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
1243                 debug_print("%s\n", buf);
1244                 g_free(buf);
1245
1246                 folder_item_apply_processing(item);
1247
1248                 debug_print("done.\n");
1249         }
1250
1251         return 0;
1252 }
1253
1254 gint folder_item_close(FolderItem *item)
1255 {
1256         GSList *mlist, *cur;
1257         Folder *folder;
1258
1259         g_return_val_if_fail(item != NULL, -1);
1260
1261         if (item->new_msgs) {
1262                 folder_item_update_freeze();
1263                 mlist = folder_item_get_msg_list(item);
1264                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1265                         MsgInfo * msginfo;
1266
1267                         msginfo = (MsgInfo *) cur->data;
1268                         if (MSG_IS_NEW(msginfo->flags))
1269                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1270                         procmsg_msginfo_free(msginfo);
1271                 }
1272                 g_slist_free(mlist);
1273                 folder_item_update_thaw();
1274         }
1275
1276         folder_item_write_cache(item);
1277
1278         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1279
1280         item->opened = FALSE;
1281         folder = item->folder;
1282
1283         if (folder->klass->close == NULL)
1284                 return 0;
1285
1286         return folder->klass->close(folder, item);
1287 }
1288
1289 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1290 {
1291         Folder *folder;
1292         GSList *folder_list = NULL, *cache_list = NULL;
1293         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1294         GSList *exists_list = NULL, *elem;
1295         GSList *newmsg_list = NULL;
1296         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1297         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1298         gboolean update_flags = 0, old_uids_valid = FALSE;
1299
1300         g_return_val_if_fail(item != NULL, -1);
1301         if (item->path == NULL) return -1;
1302
1303         folder = item->folder;
1304
1305         g_return_val_if_fail(folder != NULL, -1);
1306         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1307
1308         debug_print("Scanning folder %s for cache changes.\n", item->path);
1309
1310         /* Get list of messages for folder and cache */
1311         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
1312                 debug_print("Error fetching list of message numbers\n");
1313                 return(-1);
1314         }
1315
1316         if (old_uids_valid) {
1317                 if (!item->cache)
1318                         folder_item_read_cache(item);
1319                 cache_list = msgcache_get_msg_list(item->cache);
1320         } else {
1321                 if (item->cache)
1322                         msgcache_destroy(item->cache);
1323                 item->cache = msgcache_new();
1324                 cache_list = NULL;
1325         }
1326
1327         /* Sort both lists */
1328         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1329         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1330
1331         cache_list_cur = cache_list;
1332         folder_list_cur = folder_list;
1333
1334         if (cache_list_cur != NULL) {
1335                 GSList *cache_list_last;
1336
1337                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1338                 cache_list_last = g_slist_last(cache_list);
1339                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1340         } else {
1341                 cache_cur_num = G_MAXINT;
1342                 cache_max_num = 0;
1343         }
1344
1345         if (folder_list_cur != NULL) {
1346                 GSList *folder_list_last;
1347
1348                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1349                 folder_list_last = g_slist_last(folder_list);
1350                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1351         } else {
1352                 folder_cur_num = G_MAXINT;
1353                 folder_max_num = 0;
1354         }
1355
1356         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1357                 /*
1358                  *  Message only exists in the folder
1359                  *  Remember message for fetching
1360                  */
1361                 if (folder_cur_num < cache_cur_num) {
1362                         gboolean add = FALSE;
1363
1364                         switch(FOLDER_TYPE(folder)) {
1365                                 case F_NEWS:
1366                                         if (folder_cur_num < cache_max_num)
1367                                                 break;
1368
1369                                         if (folder->account->max_articles == 0) {
1370                                                 add = TRUE;
1371                                         }
1372
1373                                         if (folder_max_num <= folder->account->max_articles) {
1374                                                 add = TRUE;
1375                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1376                                                 add = TRUE;
1377                                         }
1378                                         break;
1379                                 default:
1380                                         add = TRUE;
1381                                         break;
1382                         }
1383
1384                         if (add) {
1385                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1386                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1387                         }
1388
1389                         /* Move to next folder number */
1390                         folder_list_cur = folder_list_cur->next;
1391
1392                         if (folder_list_cur != NULL)
1393                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1394                         else
1395                                 folder_cur_num = G_MAXINT;
1396
1397                         continue;
1398                 }
1399
1400                 /*
1401                  *  Message only exists in the cache
1402                  *  Remove the message from the cache
1403                  */
1404                 if (cache_cur_num < folder_cur_num) {
1405                         msgcache_remove_msg(item->cache, cache_cur_num);
1406                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1407
1408                         /* Move to next cache number */
1409                         cache_list_cur = cache_list_cur->next;
1410
1411                         if (cache_list_cur != NULL)
1412                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1413                         else
1414                                 cache_cur_num = G_MAXINT;
1415
1416                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1417
1418                         continue;
1419                 }
1420
1421                 /*
1422                  *  Message number exists in folder and cache!
1423                  *  Check if the message has been modified
1424                  */
1425                 if (cache_cur_num == folder_cur_num) {
1426                         MsgInfo *msginfo;
1427
1428                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1429                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1430                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1431                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1432                                 procmsg_msginfo_free(msginfo);
1433
1434                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1435                         } else
1436                                 exists_list = g_slist_prepend(exists_list, msginfo);
1437
1438                         /* Move to next folder and cache number */
1439                         cache_list_cur = cache_list_cur->next;
1440                         folder_list_cur = folder_list_cur->next;
1441
1442                         if (cache_list_cur != NULL)
1443                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1444                         else
1445                                 cache_cur_num = G_MAXINT;
1446
1447                         if (folder_list_cur != NULL)
1448                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1449                         else
1450                                 folder_cur_num = G_MAXINT;
1451
1452                         continue;
1453                 }
1454         }
1455
1456         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1457                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1458
1459         g_slist_free(cache_list);
1460         g_slist_free(folder_list);
1461
1462         if (new_list != NULL) {
1463                 if (folder->klass->get_msginfos) {
1464                         newmsg_list = folder->klass->get_msginfos(folder, item, new_list);
1465                 } else if (folder->klass->get_msginfo) {
1466                         GSList *elem;
1467
1468                         for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1469                                 MsgInfo *msginfo;
1470                                 guint num;
1471
1472                                 num = GPOINTER_TO_INT(elem->data);
1473                                 msginfo = folder->klass->get_msginfo(folder, item, num);
1474                                 if (msginfo != NULL) {
1475                                         newmsg_list = g_slist_prepend(newmsg_list, msginfo);
1476                                         debug_print("Added newly found message %d to cache.\n", num);
1477                                 }
1478                         }
1479                 }
1480                 g_slist_free(new_list);
1481         }
1482
1483         folder_item_update_freeze();
1484         if (newmsg_list != NULL) {
1485                 GSList *elem;
1486
1487                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1488                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1489
1490                         msgcache_add_msg(item->cache, msginfo);
1491                         if ((filtering == TRUE) &&
1492                             (item->stype == F_INBOX) &&
1493                             (item->folder->account != NULL) &&
1494                             (item->folder->account->filter_on_recv) &&
1495                             procmsg_msginfo_filter(msginfo))
1496                                 procmsg_msginfo_free(msginfo);
1497                         else
1498                                 exists_list = g_slist_prepend(exists_list, msginfo);
1499                 }
1500                 g_slist_free(newmsg_list);
1501
1502                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1503         }
1504
1505         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1506                 MsgInfo *msginfo;
1507
1508                 msginfo = elem->data;
1509                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1510                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1511                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1512                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1513                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1514                 }
1515                 if ((item->stype == F_OUTBOX ||
1516                      item->stype == F_QUEUE  ||
1517                      item->stype == F_DRAFT  ||
1518                      item->stype == F_TRASH) &&
1519                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1520                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1521                 if (MSG_IS_NEW(msginfo->flags))
1522                         newcnt++;
1523                 if (MSG_IS_UNREAD(msginfo->flags))
1524                         unreadcnt++;
1525                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1526                         unreadmarkedcnt++;
1527                 totalcnt++;
1528
1529                 procmsg_msginfo_free(msginfo);
1530         }
1531         g_slist_free(exists_list);
1532
1533         item->new_msgs = newcnt;
1534         item->unread_msgs = unreadcnt;
1535         item->total_msgs = totalcnt;
1536         item->unreadmarked_msgs = unreadmarkedcnt;
1537
1538         update_flags |= F_ITEM_UPDATE_MSGCNT;
1539
1540         folder_item_update(item, update_flags);
1541         folder_item_update_thaw();
1542
1543         return 0;
1544 }
1545
1546 gint folder_item_scan(FolderItem *item)
1547 {
1548         return folder_item_scan_full(item, TRUE);
1549 }
1550
1551 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1552 {
1553         FolderItem *item = node->data;
1554
1555         folder_item_scan(item);
1556
1557         return FALSE;
1558 }
1559
1560 void folder_scan_all_items(Folder * folder)
1561 {
1562         g_node_traverse(folder->node, G_PRE_ORDER,
1563                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1564 }
1565
1566 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1567                                           gpointer data)
1568 {
1569         folder_item_scan(FOLDER_ITEM(key));
1570 }
1571
1572 void folder_item_scan_foreach(GHashTable *table)
1573 {
1574         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1575 }
1576
1577 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1578 {
1579         gint *memusage = (gint *)data;
1580
1581         if (item->cache == NULL)
1582                 return;
1583
1584         *memusage += msgcache_get_memory_usage(item->cache);
1585 }
1586
1587 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1588 {
1589         FolderItem *fa = (FolderItem *)a;
1590         FolderItem *fb = (FolderItem *)b;
1591
1592         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1593 }
1594
1595 void folder_find_expired_caches(FolderItem *item, gpointer data)
1596 {
1597         GSList **folder_item_list = (GSList **)data;
1598         gint difftime, expiretime;
1599
1600         if (item->cache == NULL)
1601                 return;
1602
1603         if (item->opened > 0)
1604                 return;
1605
1606         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1607         expiretime = prefs_common.cache_min_keep_time * 60;
1608         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1609         if (difftime > expiretime) {
1610                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1611         }
1612 }
1613
1614 void folder_item_free_cache(FolderItem *item)
1615 {
1616         g_return_if_fail(item != NULL);
1617
1618         if (item->cache == NULL)
1619                 return;
1620
1621         if (item->opened > 0)
1622                 return;
1623
1624         folder_item_write_cache(item);
1625         msgcache_destroy(item->cache);
1626         item->cache = NULL;
1627 }
1628
1629 void folder_clean_cache_memory(void)
1630 {
1631         gint memusage = 0;
1632
1633         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1634         debug_print("Total cache memory usage: %d\n", memusage);
1635
1636         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1637                 GSList *folder_item_list = NULL, *listitem;
1638
1639                 debug_print("Trying to free cache memory\n");
1640
1641                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1642                 listitem = folder_item_list;
1643                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1644                         FolderItem *item = (FolderItem *)(listitem->data);
1645
1646                         debug_print("Freeing cache memory for %s\n", item->path);
1647                         memusage -= msgcache_get_memory_usage(item->cache);
1648                         folder_item_free_cache(item);
1649                         listitem = listitem->next;
1650                 }
1651                 g_slist_free(folder_item_list);
1652         }
1653 }
1654
1655 void folder_item_read_cache(FolderItem *item)
1656 {
1657         gchar *cache_file, *mark_file;
1658
1659         g_return_if_fail(item != NULL);
1660
1661         cache_file = folder_item_get_cache_file(item);
1662         mark_file = folder_item_get_mark_file(item);
1663         item->cache = msgcache_read_cache(item, cache_file);
1664         if (!item->cache) {
1665                 item->cache = msgcache_new();
1666                 folder_item_scan_full(item, TRUE);
1667         }
1668         msgcache_read_mark(item->cache, mark_file);
1669         g_free(cache_file);
1670         g_free(mark_file);
1671
1672         folder_clean_cache_memory();
1673 }
1674
1675 void folder_item_write_cache(FolderItem *item)
1676 {
1677         gchar *cache_file, *mark_file;
1678         FolderItemPrefs *prefs;
1679         gint filemode = 0;
1680         gchar *id;
1681
1682         if (!item || !item->path || !item->cache)
1683                 return;
1684
1685         id = folder_item_get_identifier(item);
1686         debug_print("Save cache for folder %s\n", id);
1687         g_free(id);
1688
1689         cache_file = folder_item_get_cache_file(item);
1690         mark_file = folder_item_get_mark_file(item);
1691         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1692                 prefs = item->prefs;
1693                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1694                         /* for cache file */
1695                         filemode = prefs->folder_chmod;
1696                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1697                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1698                         chmod(cache_file, filemode);
1699                 }
1700         }
1701
1702         g_free(cache_file);
1703         g_free(mark_file);
1704 }
1705
1706 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
1707 {
1708         Folder *folder;
1709         MsgInfo *msginfo;
1710
1711         g_return_val_if_fail(item != NULL, NULL);
1712
1713         folder = item->folder;
1714         if (!item->cache)
1715                 folder_item_read_cache(item);
1716
1717         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1718                 return msginfo;
1719
1720         g_return_val_if_fail(folder->klass->get_msginfo, NULL);
1721         if ((msginfo = folder->klass->get_msginfo(folder, item, num)) != NULL) {
1722                 msgcache_add_msg(item->cache, msginfo);
1723                 return msginfo;
1724         }
1725
1726         return NULL;
1727 }
1728
1729 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
1730 {
1731         Folder *folder;
1732         MsgInfo *msginfo;
1733
1734         g_return_val_if_fail(item != NULL, NULL);
1735         g_return_val_if_fail(msgid != NULL, NULL);
1736
1737         folder = item->folder;
1738         if (!item->cache)
1739                 folder_item_read_cache(item);
1740
1741         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1742                 return msginfo;
1743
1744         return NULL;
1745 }
1746
1747 GSList *folder_item_get_msg_list(FolderItem *item)
1748 {
1749         g_return_val_if_fail(item != NULL, NULL);
1750
1751         if (item->cache == 0)
1752                 folder_item_read_cache(item);
1753
1754         g_return_val_if_fail(item->cache != NULL, NULL);
1755
1756         return msgcache_get_msg_list(item->cache);
1757 }
1758
1759 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1760 {
1761         Folder *folder;
1762
1763         g_return_val_if_fail(item != NULL, NULL);
1764
1765         folder = item->folder;
1766
1767         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
1768
1769         return folder->klass->fetch_msg(folder, item, num);
1770 }
1771
1772 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
1773 {
1774         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
1775                                        {NULL,           NULL, FALSE}};
1776         FILE *fp;
1777         MsgInfo *msginfo;
1778         gint msgnum = 0;
1779         gchar buf[BUFFSIZE];
1780
1781         if ((fp = fopen(file, "rb")) == NULL)
1782                 return 0;
1783
1784         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
1785                 while (fgets(buf, sizeof(buf), fp) != NULL)
1786                         if (buf[0] == '\r' || buf[0] == '\n') break;
1787
1788         procheader_get_header_fields(fp, hentry);
1789         if (hentry[0].body) {
1790                 extract_parenthesis(hentry[0].body, '<', '>');
1791                 remove_space(hentry[0].body);
1792                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
1793                         msgnum = msginfo->msgnum;
1794                         procmsg_msginfo_free(msginfo);
1795
1796                         debug_print("found message as uid %d\n", msgnum);
1797                 }
1798         }
1799
1800         g_free(hentry[0].body);
1801         hentry[0].body = NULL;
1802         fclose(fp);
1803
1804         return msgnum;
1805 }
1806
1807 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
1808 {
1809         MsgPermFlags perm_flags = 0;
1810         MsgTmpFlags tmp_flags = 0;
1811
1812         /* create new flags */
1813         if (source != NULL) {
1814                 /* copy original flags */
1815                 perm_flags = source->flags.perm_flags;
1816                 tmp_flags = source->flags.tmp_flags;
1817         } else {
1818                 perm_flags = dest->flags.perm_flags;
1819                 tmp_flags = dest->flags.tmp_flags;
1820         }
1821
1822         /* remove new, unread and deleted in special folders */
1823         if (dest->folder->stype == F_OUTBOX ||
1824             dest->folder->stype == F_QUEUE  ||
1825             dest->folder->stype == F_DRAFT  ||
1826             dest->folder->stype == F_TRASH)
1827                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
1828
1829         /* set ignore flag of ignored parent exists */
1830         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
1831                 perm_flags |= MSG_IGNORE_THREAD;
1832
1833         /* Unset tmp flags that should not be copied */
1834         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
1835
1836         /* unset flags that are set but should not */
1837         procmsg_msginfo_unset_flags(dest,
1838                                     dest->flags.perm_flags & ~perm_flags,
1839                                     dest->flags.tmp_flags  & ~tmp_flags);
1840         /* set new flags */
1841         procmsg_msginfo_set_flags(dest,
1842                                   ~dest->flags.perm_flags & perm_flags,
1843                                   ~dest->flags.tmp_flags  & tmp_flags);
1844
1845         folder_item_update(dest->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1846 }
1847
1848 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
1849 {
1850         /* update folder stats */
1851         if (MSG_IS_NEW(newmsginfo->flags))
1852                 item->new_msgs++;
1853         if (MSG_IS_UNREAD(newmsginfo->flags))
1854                 item->unread_msgs++;
1855         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1856                 item->unreadmarked_msgs++;
1857         item->total_msgs++;
1858
1859         copy_msginfo_flags(flagsource, newmsginfo);
1860
1861         msgcache_add_msg(item->cache, newmsginfo);
1862 }
1863
1864 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
1865 {
1866         MsgInfoUpdate msginfo_update;
1867
1868         if (!item->cache)
1869                 folder_item_read_cache(item);
1870
1871         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1872                 msginfo->folder->new_msgs--;
1873         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1874                 msginfo->folder->unread_msgs--;
1875         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1876                 msginfo->folder->unreadmarked_msgs--;
1877         msginfo->folder->total_msgs--;
1878
1879         msginfo_update.msginfo = msginfo;
1880         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
1881         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
1882
1883         msgcache_remove_msg(item->cache, msginfo->msgnum);
1884         folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1885 }
1886
1887 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1888                          MsgFlags *flags, gboolean remove_source)
1889 {
1890         GSList file_list;
1891         MsgFileInfo fileinfo;
1892
1893         g_return_val_if_fail(dest != NULL, -1);
1894         g_return_val_if_fail(file != NULL, -1);
1895
1896         fileinfo.msginfo = NULL;
1897         fileinfo.file = (gchar *)file;
1898         fileinfo.flags = flags;
1899         file_list.data = &fileinfo;
1900         file_list.next = NULL;
1901
1902         return folder_item_add_msgs(dest, &file_list, remove_source);
1903 }
1904
1905 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
1906                           gboolean remove_source)
1907 {
1908         Folder *folder;
1909         gint ret, num, lastnum = -1;
1910         GSList *file_cur;
1911         GRelation *relation;
1912         MsgFileInfo *fileinfo = NULL;
1913         gboolean folderscan = FALSE;
1914
1915         g_return_val_if_fail(dest != NULL, -1);
1916         g_return_val_if_fail(file_list != NULL, -1);
1917         g_return_val_if_fail(dest->folder != NULL, -1);
1918
1919         folder = dest->folder;
1920
1921         relation = g_relation_new(2);
1922         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
1923
1924         if (folder->klass->add_msgs != NULL) {
1925                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
1926                 if (ret < 0) {
1927                         g_relation_destroy(relation);
1928                         return ret;
1929                 }
1930         } else {
1931                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
1932                         fileinfo = (MsgFileInfo *) file_cur->data;
1933
1934                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
1935                         if (ret < 0) {
1936                                 g_relation_destroy(relation);
1937                                 return ret;
1938                         }
1939                         g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
1940                 }
1941         }
1942
1943         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
1944                 GTuples *tuples;
1945
1946                 fileinfo = (MsgFileInfo *) file_cur->data;
1947                 tuples = g_relation_select(relation, fileinfo, 0);
1948                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
1949                 g_tuples_destroy(tuples);
1950
1951                 if (num >= 0) {
1952                         MsgInfo *newmsginfo;
1953
1954                         if (num == 0) {
1955                                 if (!folderscan) {
1956                                         folder_item_scan_full(dest, FALSE);
1957                                         folderscan = TRUE;
1958                                 }
1959                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
1960                         }
1961
1962                         if (num > lastnum)
1963                                 lastnum = num;
1964
1965                         if (num >= 0 && remove_source) {
1966                                 if (unlink(fileinfo->file) < 0)
1967                                         FILE_OP_ERROR(fileinfo->file, "unlink");
1968                         }
1969
1970                         if (num == 0)
1971                                 continue;
1972
1973                         if (!folderscan &&
1974                             ((newmsginfo = folder->klass->get_msginfo(folder, dest, num)) != NULL)) {
1975                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
1976                                 procmsg_msginfo_free(newmsginfo);
1977                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
1978                                 /* TODO: set default flags */
1979                                 procmsg_msginfo_free(newmsginfo);
1980                         }
1981                 }
1982         }
1983
1984         g_relation_destroy(relation);
1985
1986         return lastnum;
1987 }
1988
1989 /*
1990 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1991 {
1992         Folder *folder;
1993         gint num;
1994
1995         g_return_val_if_fail(dest != NULL, -1);
1996         g_return_val_if_fail(msginfo != NULL, -1);
1997
1998         folder = dest->folder;
1999         if (dest->last_num < 0) folder->scan(folder, dest);
2000
2001         num = folder->move_msg(folder, dest, msginfo);
2002         if (num > 0) dest->last_num = num;
2003
2004         return num;
2005 }
2006 */
2007
2008 FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest)
2009 {
2010         GSList *mlist;
2011         FolderItem *new_item;
2012         FolderItem *next_item;
2013         GNode *srcnode;
2014         gchar *old_id, *new_id;
2015
2016         mlist = folder_item_get_msg_list(src);
2017
2018         /* move messages */
2019         debug_print("Moving %s to %s\n", src->path, dest->path);
2020         new_item = folder_create_folder(dest, g_basename(src->path));
2021         if (new_item == NULL) {
2022                 printf("Can't create folder\n");
2023                 return NULL;
2024         }
2025
2026         if (new_item->folder == NULL)
2027                 new_item->folder = dest->folder;
2028
2029         /* move messages */
2030         log_message(_("Moving %s to %s...\n"),
2031                         src->name, new_item->path);
2032         folder_item_move_msgs(new_item, mlist);
2033
2034         /*copy prefs*/
2035         folder_item_prefs_copy_prefs(src, new_item);
2036         new_item->collapsed = src->collapsed;
2037         new_item->thread_collapsed = src->thread_collapsed;
2038         new_item->threaded  = src->threaded;
2039         new_item->ret_rcpt  = src->ret_rcpt;
2040         new_item->hide_read_msgs = src->hide_read_msgs;
2041         new_item->sort_key  = src->sort_key;
2042         new_item->sort_type = src->sort_type;
2043
2044         prefs_matcher_write_config();
2045
2046         /* recurse */
2047         srcnode = src->folder->node;
2048         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
2049         srcnode = srcnode->children;
2050         while (srcnode != NULL) {
2051                 if (srcnode && srcnode->data) {
2052                         next_item = (FolderItem*) srcnode->data;
2053                         srcnode = srcnode->next;
2054                         if (folder_item_move_recursive(next_item, new_item) == NULL)
2055                                 return NULL;
2056                 }
2057         }
2058         old_id = folder_item_get_identifier(src);
2059         new_id = folder_item_get_identifier(new_item);
2060         debug_print("updating rules : %s => %s\n", old_id, new_id);
2061
2062         src->folder->klass->remove_folder(src->folder, src);
2063         folder_write_list();
2064
2065         if (old_id != NULL && new_id != NULL)
2066                 prefs_filtering_rename_path(old_id, new_id);
2067         g_free(old_id);
2068         g_free(new_id);
2069
2070         return new_item;
2071 }
2072
2073 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
2074 {
2075         FolderItem *tmp = dest->parent;
2076         gchar * src_identifier, * dst_identifier;
2077         gchar * phys_srcpath, * phys_dstpath;
2078
2079         while (tmp) {
2080                 if (tmp == src) {
2081                         return F_MOVE_FAILED_DEST_IS_CHILD;
2082                 }
2083                 tmp = tmp->parent;
2084         }
2085
2086         tmp = src->parent;
2087
2088         src_identifier = folder_item_get_identifier(src);
2089         dst_identifier = folder_item_get_identifier(dest);
2090
2091         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
2092                 /* dest can be a root folder */
2093                 dst_identifier = folder_get_identifier(dest->folder);
2094         }
2095         if (src_identifier == NULL || dst_identifier == NULL) {
2096                 debug_print("Can't get identifiers\n");
2097                 return F_MOVE_FAILED;
2098         }
2099
2100         if (src->folder != dest->folder) {
2101                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
2102         }
2103
2104         phys_srcpath = folder_item_get_path(src);
2105         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
2106
2107         if (src->parent == dest || src == dest) {
2108                 g_free(src_identifier);
2109                 g_free(dst_identifier);
2110                 g_free(phys_srcpath);
2111                 g_free(phys_dstpath);
2112                 return F_MOVE_FAILED_DEST_IS_PARENT;
2113         }
2114         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
2115         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
2116                 return F_MOVE_FAILED;
2117         }
2118
2119         g_free(src_identifier);
2120         g_free(dst_identifier);
2121         g_free(phys_srcpath);
2122         g_free(phys_dstpath);
2123
2124         *new_item = tmp;
2125
2126         return F_MOVE_OK;
2127 }
2128
2129 /**
2130  * Copy a list of message to a new folder and remove
2131  * source messages if wanted
2132  */
2133 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
2134 {
2135         Folder *folder;
2136         GSList *l;
2137         gint num, lastnum = -1;
2138         gboolean folderscan = FALSE;
2139         GRelation *relation;
2140
2141         g_return_val_if_fail(dest != NULL, -1);
2142         g_return_val_if_fail(msglist != NULL, -1);
2143
2144         folder = dest->folder;
2145
2146         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2147
2148         relation = g_relation_new(2);
2149         g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
2150         g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
2151
2152         /*
2153          * Copy messages to destination folder and
2154          * store new message numbers in newmsgnums
2155          */
2156         if (folder->klass->copy_msgs != NULL) {
2157                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
2158                         g_relation_destroy(relation);
2159                         return -1;
2160                 }
2161         } else {
2162                 for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2163                         MsgInfo * msginfo = (MsgInfo *) l->data;
2164
2165                         num = folder->klass->copy_msg(folder, dest, msginfo);
2166                         g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
2167                 }
2168         }
2169
2170         /* Read cache for dest folder */
2171         if (!dest->cache) folder_item_read_cache(dest);
2172
2173         /*
2174          * Fetch new MsgInfos for new messages in dest folder,
2175          * add them to the msgcache and update folder message counts
2176          */
2177         if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
2178                 folder_item_scan_full(dest, FALSE);
2179                 folderscan = TRUE;
2180         }
2181
2182         for (l = msglist; l != NULL; l = g_slist_next(l)) {
2183                 MsgInfo *msginfo = (MsgInfo *) l->data;
2184                 GTuples *tuples;
2185
2186                 tuples = g_relation_select(relation, msginfo, 0);
2187                 num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2188                 g_tuples_destroy(tuples);
2189
2190                 if (num >= 0) {
2191                         MsgInfo *newmsginfo;
2192
2193                         if (folderscan) {
2194                                 if (msginfo->msgid != NULL) {
2195                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
2196                                         if (newmsginfo != NULL) {
2197                                                 copy_msginfo_flags(msginfo, newmsginfo);
2198                                                 num = newmsginfo->msgnum;
2199                                                 procmsg_msginfo_free(newmsginfo);
2200                                         }
2201                                 }
2202                         } else {
2203                                 newmsginfo = folder->klass->get_msginfo(folder, dest, num);
2204                                 if (newmsginfo != NULL) {
2205                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
2206                                         procmsg_msginfo_free(newmsginfo);
2207                                 }
2208                         }
2209
2210                         if (num > lastnum)
2211                                 lastnum = num;
2212                 }
2213         }
2214
2215         if (remove_source) {
2216                 /*
2217                  * Remove source messages from their folders if
2218                  * copying was successfull and update folder
2219                  * message counts
2220                  */
2221                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
2222                         MsgInfo *msginfo = (MsgInfo *) l->data;
2223                         FolderItem *item = msginfo->folder;
2224                         GTuples *tuples;
2225
2226                         tuples = g_relation_select(relation, msginfo, 0);
2227                         num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
2228                         g_tuples_destroy(tuples);
2229
2230                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
2231                                 item->folder->klass->remove_msg(item->folder,
2232                                                                 msginfo->folder,
2233                                                                 msginfo->msgnum);
2234                                 remove_msginfo_from_cache(item, msginfo);
2235                         }
2236                 }
2237         }
2238
2239         if (folder->klass->finished_copy)
2240                 folder->klass->finished_copy(folder, dest);
2241
2242         g_relation_destroy(relation);
2243         return lastnum;
2244 }
2245
2246 /**
2247  * Move a message to a new folder.
2248  *
2249  * \param dest Destination folder
2250  * \param msginfo The message
2251  */
2252 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
2253 {
2254         GSList list;
2255
2256         g_return_val_if_fail(dest != NULL, -1);
2257         g_return_val_if_fail(msginfo != NULL, -1);
2258
2259         list.data = msginfo;
2260         list.next = NULL;
2261
2262         return do_copy_msgs(dest, &list, TRUE);
2263 }
2264
2265 /**
2266  * Move a list of messages to a new folder.
2267  *
2268  * \param dest Destination folder
2269  * \param msglist List of messages
2270  */
2271 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
2272 {
2273         g_return_val_if_fail(dest != NULL, -1);
2274         g_return_val_if_fail(msglist != NULL, -1);
2275
2276         return do_copy_msgs(dest, msglist, TRUE);
2277 }
2278
2279 /**
2280  * Copy a message to a new folder.
2281  *
2282  * \param dest Destination folder
2283  * \param msginfo The message
2284  */
2285 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2286 {
2287         GSList list;
2288
2289         g_return_val_if_fail(dest != NULL, -1);
2290         g_return_val_if_fail(msginfo != NULL, -1);
2291
2292         list.data = msginfo;
2293         list.next = NULL;
2294
2295         return do_copy_msgs(dest, &list, FALSE);
2296 }
2297
2298 /**
2299  * Copy a list of messages to a new folder.
2300  *
2301  * \param dest Destination folder
2302  * \param msglist List of messages
2303  */
2304 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
2305 {
2306         g_return_val_if_fail(dest != NULL, -1);
2307         g_return_val_if_fail(msglist != NULL, -1);
2308
2309         return do_copy_msgs(dest, msglist, FALSE);
2310 }
2311
2312 gint folder_item_remove_msg(FolderItem *item, gint num)
2313 {
2314         Folder *folder;
2315         gint ret;
2316         MsgInfo *msginfo;
2317
2318         g_return_val_if_fail(item != NULL, -1);
2319         folder = item->folder;
2320         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
2321
2322         if (!item->cache) folder_item_read_cache(item);
2323
2324         ret = folder->klass->remove_msg(folder, item, num);
2325
2326         msginfo = msgcache_get_msg(item->cache, num);
2327         if (msginfo != NULL) {
2328                 remove_msginfo_from_cache(item, msginfo);
2329                 procmsg_msginfo_free(msginfo);
2330         }
2331         folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2332
2333         return ret;
2334 }
2335
2336 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2337 {
2338         Folder *folder;
2339         gint ret = 0;
2340
2341         g_return_val_if_fail(item != NULL, -1);
2342         folder = item->folder;
2343         g_return_val_if_fail(folder != NULL, -1);
2344
2345         if (!item->cache) folder_item_read_cache(item);
2346
2347         while (msglist != NULL) {
2348                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2349
2350                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2351                 if (ret != 0) break;
2352                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2353                 msglist = msglist->next;
2354         }
2355
2356         return ret;
2357 }
2358
2359 gint folder_item_remove_all_msg(FolderItem *item)
2360 {
2361         Folder *folder;
2362         gint result;
2363
2364         g_return_val_if_fail(item != NULL, -1);
2365
2366         folder = item->folder;
2367
2368         g_return_val_if_fail(folder->klass->remove_all_msg != NULL, -1);
2369
2370         result = folder->klass->remove_all_msg(folder, item);
2371
2372         if (result == 0) {
2373                 if (folder->klass->finished_remove)
2374                         folder->klass->finished_remove(folder, item);
2375
2376                 folder_item_free_cache(item);
2377                 item->cache = msgcache_new();
2378
2379                 item->new_msgs = 0;
2380                 item->unread_msgs = 0;
2381                 item->unreadmarked_msgs = 0;
2382                 item->total_msgs = 0;
2383                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2384         }
2385
2386         return result;
2387 }
2388
2389 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
2390 {
2391         g_return_if_fail(item != NULL);
2392         g_return_if_fail(msginfo != NULL);
2393
2394         if (item->folder->klass->change_flags != NULL) {
2395                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
2396         } else {
2397                 msginfo->flags.perm_flags = newflags;
2398         }
2399 }
2400
2401 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2402 {
2403         Folder *folder;
2404
2405         g_return_val_if_fail(item != NULL, FALSE);
2406
2407         folder = item->folder;
2408
2409         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
2410
2411         return folder->klass->is_msg_changed(folder, item, msginfo);
2412 }
2413
2414 gchar *folder_item_get_cache_file(FolderItem *item)
2415 {
2416         gchar *path;
2417         gchar *file;
2418
2419         g_return_val_if_fail(item != NULL, NULL);
2420         g_return_val_if_fail(item->path != NULL, NULL);
2421
2422         path = folder_item_get_path(item);
2423         g_return_val_if_fail(path != NULL, NULL);
2424         if (!is_dir_exist(path))
2425                 make_dir_hier(path);
2426         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2427         g_free(path);
2428
2429         return file;
2430 }
2431
2432 gchar *folder_item_get_mark_file(FolderItem *item)
2433 {
2434         gchar *path;
2435         gchar *file;
2436
2437         g_return_val_if_fail(item != NULL, NULL);
2438         g_return_val_if_fail(item->path != NULL, NULL);
2439
2440         path = folder_item_get_path(item);
2441         g_return_val_if_fail(path != NULL, NULL);
2442         if (!is_dir_exist(path))
2443                 make_dir_hier(path);
2444         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2445         g_free(path);
2446
2447         return file;
2448 }
2449
2450 static gboolean folder_build_tree(GNode *node, gpointer data)
2451 {
2452         Folder *folder = FOLDER(data);
2453         FolderItem *item;
2454         XMLNode *xmlnode;
2455
2456         g_return_val_if_fail(node->data != NULL, FALSE);
2457         if (!node->parent) return FALSE;
2458
2459         xmlnode = node->data;
2460         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2461                 g_warning("tag name != \"folderitem\"\n");
2462                 return FALSE;
2463         }
2464
2465         item = folder_item_new(folder, "", "");
2466         if (folder->klass->item_set_xml != NULL)
2467                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
2468         else
2469                 folder_item_set_xml(folder, item, xmlnode->tag);
2470         item->node = node;
2471         item->parent = FOLDER_ITEM(node->parent->data);
2472         item->folder = folder;
2473         switch (item->stype) {
2474         case F_INBOX:  folder->inbox  = item; break;
2475         case F_OUTBOX: folder->outbox = item; break;
2476         case F_DRAFT:  folder->draft  = item; break;
2477         case F_QUEUE:  folder->queue  = item; break;
2478         case F_TRASH:  folder->trash  = item; break;
2479         default:       break;
2480         }
2481         folder_item_prefs_read_config(item);
2482
2483         node->data = item;
2484         xml_free_node(xmlnode);
2485
2486         return FALSE;
2487 }
2488
2489 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2490 {
2491         Folder *folder;
2492         FolderItem *item;
2493         XMLNode *xmlnode;
2494         GList *list;
2495         FolderClass *klass = NULL;
2496
2497         if (g_node_depth(node) != 2) return FALSE;
2498         g_return_val_if_fail(node->data != NULL, FALSE);
2499
2500         xmlnode = node->data;
2501         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2502                 g_warning("tag name != \"folder\"\n");
2503                 return TRUE;
2504         }
2505         g_node_unlink(node);
2506         list = xmlnode->tag->attr;
2507         for (; list != NULL; list = list->next) {
2508                 XMLAttr *attr = list->data;
2509
2510                 if (!attr || !attr->name || !attr->value) continue;
2511                 if (!strcmp(attr->name, "type"))
2512                         klass = folder_get_class_from_string(attr->value);
2513         }
2514
2515         folder = folder_new(klass, "", "");
2516         g_return_val_if_fail(folder != NULL, FALSE);
2517
2518         item = FOLDER_ITEM(folder->node->data);
2519
2520         node->data = item;
2521         item->node = node;
2522         g_node_destroy(folder->node);
2523         folder->node = node;
2524         if (klass->set_xml)
2525                 klass->set_xml(folder, xmlnode->tag);
2526         else
2527                 folder_set_xml(folder, xmlnode->tag);
2528
2529         if (folder->klass->item_set_xml != NULL)
2530                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
2531         else
2532                 folder_item_set_xml(folder, item, xmlnode->tag);
2533
2534         folder_add(folder);
2535         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2536                         folder_build_tree, folder);
2537
2538         return FALSE;
2539 }
2540
2541 static gchar *folder_get_list_path(void)
2542 {
2543         static gchar *filename = NULL;
2544
2545         if (!filename)
2546                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2547                                         FOLDER_LIST, NULL);
2548
2549         return filename;
2550 }
2551
2552 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2553 {                                                       \
2554         fputs(" " attr "=\"", fp);                      \
2555         xml_file_put_escape_str(fp, str);               \
2556         fputs("\"", fp);                                \
2557 }
2558
2559 gint xml_attr_cmp_name(gconstpointer _a, gconstpointer _b)
2560 {
2561         XMLAttr *a = (XMLAttr *) _a;
2562         XMLAttr *b = (XMLAttr *) _b;
2563
2564         return g_str_equal(a->name, b->name) ? 0 : 1;
2565 }
2566
2567 static void folder_write_list_recursive(GNode *node, gpointer data)
2568 {
2569         FILE *fp = (FILE *)data;
2570         FolderItem *item;
2571         gint i, depth;
2572         XMLTag *tag;
2573         GList *cur;
2574
2575         g_return_if_fail(node != NULL);
2576         g_return_if_fail(fp != NULL);
2577
2578         item = FOLDER_ITEM(node->data);
2579         g_return_if_fail(item != NULL);
2580
2581         depth = g_node_depth(node);
2582         for (i = 0; i < depth; i++)
2583                 fputs("    ", fp);
2584         if (depth == 1) {
2585                 XMLTag *folderitem_tag;
2586                 GList *cur;
2587
2588                 if (item->folder->klass->get_xml != NULL)
2589                         tag = item->folder->klass->get_xml(item->folder);
2590                 else
2591                         tag = folder_get_xml(item->folder);
2592
2593                 if (item->folder->klass->item_get_xml != NULL)
2594                         folderitem_tag = item->folder->klass->item_get_xml(item->folder, item);
2595                 else
2596                         folderitem_tag = folder_item_get_xml(item->folder, item);
2597                 xml_tag_add_attr(tag, "type", g_strdup(item->folder->klass->idstr));
2598
2599                 for (cur = folderitem_tag->attr; cur != NULL; cur = g_list_next(cur)) {
2600                         XMLAttr *attr = (XMLAttr *) cur->data;
2601
2602                         if (g_list_find_custom(tag->attr, attr, xml_attr_cmp_name) == NULL)
2603                                 tag->attr = g_list_append(tag->attr, xml_copy_attr(attr));
2604                 }
2605                 xml_free_tag(folderitem_tag);
2606
2607         } else {
2608
2609                 if (item->folder->klass->item_get_xml != NULL)
2610                         tag = item->folder->klass->item_get_xml(item->folder, item);
2611                 else
2612                         tag = folder_item_get_xml(item->folder, item);
2613
2614         }
2615
2616         fprintf(fp, "<%s", tag->tag);
2617         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
2618                 XMLAttr *attr = (XMLAttr *) cur->data;
2619
2620                 fprintf(fp, " %s=\"", attr->name);
2621                 xml_file_put_escape_str(fp, attr->value);
2622                 fputs("\"", fp);
2623         }
2624
2625         if (node->children) {
2626                 GNode *child;
2627                 fputs(">\n", fp);
2628
2629                 child = node->children;
2630                 while (child) {
2631                         GNode *cur;
2632
2633                         cur = child;
2634                         child = cur->next;
2635                         folder_write_list_recursive(cur, data);
2636                 }
2637
2638                 for (i = 0; i < depth; i++)
2639                         fputs("    ", fp);
2640                 fprintf(fp, "</%s>\n", tag->tag);
2641         } else
2642                 fputs(" />\n", fp);
2643         xml_free_tag(tag);
2644 }
2645
2646 static void folder_update_op_count_rec(GNode *node)
2647 {
2648         FolderItem *fitem = FOLDER_ITEM(node->data);
2649
2650         if (g_node_depth(node) > 0) {
2651                 if (fitem->op_count > 0) {
2652                         fitem->op_count = 0;
2653                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
2654                 }
2655                 if (node->children) {
2656                         GNode *child;
2657
2658                         child = node->children;
2659                         while (child) {
2660                                 GNode *cur;
2661
2662                                 cur = child;
2663                                 child = cur->next;
2664                                 folder_update_op_count_rec(cur);
2665                         }
2666                 }
2667         }
2668 }
2669
2670 void folder_update_op_count(void)
2671 {
2672         GList *cur;
2673         Folder *folder;
2674
2675         for (cur = folder_list; cur != NULL; cur = cur->next) {
2676                 folder = cur->data;
2677                 folder_update_op_count_rec(folder->node);
2678         }
2679 }
2680
2681 typedef struct _type_str {
2682         gchar * str;
2683         gint type;
2684 } type_str;
2685
2686
2687 /*
2688 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2689 {
2690         if (item->parent != NULL) {
2691                 gchar * path;
2692                 gchar * id;
2693
2694                 path = folder_item_get_tree_identifier(item->parent);
2695                 if (path == NULL)
2696                         return NULL;
2697
2698                 id = g_strconcat(path, "/", item->name, NULL);
2699                 g_free(path);
2700
2701                 return id;
2702         }
2703         else {
2704                 return g_strconcat("/", item->name, NULL);
2705         }
2706 }
2707 */
2708
2709 /* CLAWS: temporary local folder for filtering */
2710 #define TEMP_FOLDER "TEMP_FOLDER"
2711 #define PROCESSING_FOLDER_ITEM "processing"
2712
2713 static FolderItem *processing_folder_item;
2714
2715 static void folder_create_processing_folder(void)
2716 {
2717         Folder *processing_folder;
2718         gchar      *tmpname;
2719
2720         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
2721                 gchar *tmppath;
2722
2723                 tmppath =
2724                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2725                                 "tempfolder", NULL);
2726                 processing_folder =
2727                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
2728                 g_free(tmppath);
2729         }
2730         g_assert(processing_folder != NULL);
2731
2732         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
2733         if (LOCAL_FOLDER(processing_folder)->rootpath[0] == '/')
2734                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
2735                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
2736                                       NULL);
2737         else
2738                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2739                                       LOCAL_FOLDER(processing_folder)->rootpath,
2740                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
2741                                       NULL);
2742
2743         if (!is_dir_exist(tmpname)) {
2744                 debug_print("*TMP* creating %s\n", tmpname);
2745                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
2746                                                                                  processing_folder->node->data,
2747                                                                                  PROCESSING_FOLDER_ITEM);
2748         } else {
2749                 debug_print("*TMP* already created\n");
2750                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
2751                 g_assert(processing_folder_item);
2752                 folder_item_append(processing_folder->node->data, processing_folder_item);
2753         }
2754         g_assert(processing_folder_item != NULL);
2755         g_free(tmpname);
2756 }
2757
2758 FolderItem *folder_get_default_processing(void)
2759 {
2760         if (!processing_folder_item) {
2761                 folder_create_processing_folder();
2762         }
2763         return processing_folder_item;
2764 }
2765
2766 /* folder_persist_prefs_new() - return hash table with persistent
2767  * settings (and folder name as key).
2768  * (note that in claws other options are in the folder_item_prefs_RC
2769  * file, so those don't need to be included in PersistPref yet)
2770  */
2771 GHashTable *folder_persist_prefs_new(Folder *folder)
2772 {
2773         GHashTable *pptable;
2774
2775         g_return_val_if_fail(folder, NULL);
2776         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2777         folder_get_persist_prefs_recursive(folder->node, pptable);
2778         return pptable;
2779 }
2780
2781 void folder_persist_prefs_free(GHashTable *pptable)
2782 {
2783         g_return_if_fail(pptable);
2784         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2785         g_hash_table_destroy(pptable);
2786 }
2787
2788 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2789 {
2790         if (pptable == NULL || name == NULL) return NULL;
2791         return g_hash_table_lookup(pptable, name);
2792 }
2793
2794 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2795 {
2796         const PersistPrefs *pp;
2797         gchar *id = folder_item_get_identifier(item);
2798
2799         pp = folder_get_persist_prefs(pptable, id);
2800         g_free(id);
2801
2802         if (!pp) return;
2803
2804         /* CLAWS: since not all folder properties have been migrated to
2805          * folderlist.xml, we need to call the old stuff first before
2806          * setting things that apply both to Main and Claws. */
2807         folder_item_prefs_read_config(item);
2808
2809         item->collapsed = pp->collapsed;
2810         item->thread_collapsed = pp->thread_collapsed;
2811         item->threaded  = pp->threaded;
2812         item->ret_rcpt  = pp->ret_rcpt;
2813         item->hide_read_msgs = pp->hide_read_msgs;
2814         item->sort_key  = pp->sort_key;
2815         item->sort_type = pp->sort_type;
2816 }
2817
2818 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2819 {
2820         FolderItem *item = FOLDER_ITEM(node->data);
2821         PersistPrefs *pp;
2822         GNode *child, *cur;
2823         gchar *id;
2824
2825         g_return_if_fail(node != NULL);
2826         g_return_if_fail(item != NULL);
2827
2828         /* NOTE: item->path == NULL means top level folder; not interesting
2829          * to store preferences of that one.  */
2830         if (item->path) {
2831                 id = folder_item_get_identifier(item);
2832                 pp = g_new0(PersistPrefs, 1);
2833                 g_return_if_fail(pp != NULL);
2834                 pp->collapsed = item->collapsed;
2835                 pp->thread_collapsed = item->thread_collapsed;
2836                 pp->threaded  = item->threaded;
2837                 pp->ret_rcpt  = item->ret_rcpt;
2838                 pp->hide_read_msgs = item->hide_read_msgs;
2839                 pp->sort_key  = item->sort_key;
2840                 pp->sort_type = item->sort_type;
2841                 g_hash_table_insert(pptable, id, pp);
2842         }
2843
2844         if (node->children) {
2845                 child = node->children;
2846                 while (child) {
2847                         cur = child;
2848                         child = cur->next;
2849                         folder_get_persist_prefs_recursive(cur, pptable);
2850                 }
2851         }
2852 }
2853
2854 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2855 {
2856         if (key)
2857                 g_free(key);
2858         if (val)
2859                 g_free(val);
2860         return TRUE;
2861 }
2862
2863 void folder_item_apply_processing(FolderItem *item)
2864 {
2865         GSList *processing_list;
2866         GSList *mlist, *cur;
2867
2868         g_return_if_fail(item != NULL);
2869
2870         processing_list = item->prefs->processing;
2871         if (processing_list == NULL)
2872                 return;
2873
2874         folder_item_update_freeze();
2875
2876         mlist = folder_item_get_msg_list(item);
2877         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2878                 MsgInfo * msginfo;
2879
2880                 msginfo = (MsgInfo *) cur->data;
2881                 filter_message_by_msginfo(processing_list, msginfo);
2882                 procmsg_msginfo_free(msginfo);
2883         }
2884         g_slist_free(mlist);
2885
2886         folder_item_update_thaw();
2887 }
2888
2889 /*
2890  *  functions for handling FolderItem content changes
2891  */
2892 static gint folder_item_update_freeze_cnt = 0;
2893
2894 /**
2895  * Notify the folder system about changes to a folder. If the
2896  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
2897  * be invoked, otherwise the changes will be remebered until
2898  * the folder system is thawed.
2899  *
2900  * \param item The FolderItem that was changed
2901  * \param update_flags Type of changed that was made
2902  */
2903 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
2904 {
2905         if (folder_item_update_freeze_cnt == 0) {
2906                 FolderItemUpdateData source;
2907
2908                 source.item = item;
2909                 source.update_flags = update_flags;
2910                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2911         } else {
2912                 item->update_flags |= update_flags;
2913         }
2914 }
2915
2916 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
2917 {
2918         GNode *node = item->folder->node;
2919
2920         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2921         node = node->children;
2922
2923         folder_item_update(item, update_flags);
2924         while (node != NULL) {
2925                 if (node && node->data) {
2926                         FolderItem *next_item = (FolderItem*) node->data;
2927
2928                         folder_item_update(next_item, update_flags);
2929                 }
2930                 node = node->next;
2931         }
2932 }
2933
2934 void folder_item_update_freeze(void)
2935 {
2936         folder_item_update_freeze_cnt++;
2937 }
2938
2939 static void folder_item_update_func(FolderItem *item, gpointer data)
2940 {
2941         FolderItemUpdateData source;
2942
2943         if (item->update_flags) {
2944                 source.item = item;
2945                 source.update_flags = item->update_flags;
2946                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2947                 item->update_flags = 0;
2948         }
2949 }
2950
2951 void folder_item_update_thaw(void)
2952 {
2953         if (folder_item_update_freeze_cnt > 0)
2954                 folder_item_update_freeze_cnt--;
2955         if (folder_item_update_freeze_cnt == 0) {
2956                 /* Update all folders */
2957                 folder_func_to_all_folders(folder_item_update_func, NULL);
2958         }
2959 }
2960
2961 #undef PUT_ESCAPE_STR