src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 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 "mbox_folder.h"
  41 #include "utils.h"
  42 #include "xml.h"
  43 #include "codeconv.h"
  44 #include "prefs_gtk.h"
  45 #include "account.h"
  46 #include "filtering.h"
  47 #include "scoring.h"
  48 #include "procheader.h"
  49 #include "hooks.h"
  50 #include "log.h"
  51 #include "folder_item_prefs.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 static 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         folder_register_class(mbox_get_class());
  85 }
  86
  87 GSList *folder_get_class_list(void)
  88 {
  89         return classlist;
  90 }
  91
  92 void folder_register_class(FolderClass *klass)
  93 {
  94         debug_print("registering folder class %s\n", klass->idstr);
  95         classlist = g_slist_append(classlist, klass);
  96 }
  97
  98 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
  99 {
 100         Folder *folder = NULL;
 101         FolderItem *item;
 102
 103         g_return_val_if_fail(klass != NULL, NULL);
 104
 105         name = name ? name : path;
 106         folder = klass->new_folder(name, path);
 107
 108         /* Create root folder item */
 109         item = folder_item_new(folder, name, NULL);
 110         item->folder = folder;
 111         folder->node = g_node_new(item);
 112         folder->data = NULL;
 113
 114         return folder;
 115 }
 116
 117 static void folder_init(Folder *folder, const gchar *name)
 118 {
 119         g_return_if_fail(folder != NULL);
 120
 121         folder_set_name(folder, name);
 122
 123         /* Init folder data */
 124         folder->account = NULL;
 125         folder->inbox = NULL;
 126         folder->outbox = NULL;
 127         folder->draft = NULL;
 128         folder->queue = NULL;
 129         folder->trash = NULL;
 130 }
 131
 132 void folder_local_folder_init(Folder *folder, const gchar *name,
 133                               const gchar *path)
 134 {
 135         folder_init(folder, name);
 136         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
 137 }
 138
 139 void folder_remote_folder_init(Folder *folder, const gchar *name,
 140                                const gchar *path)
 141 {
 142         folder_init(folder, name);
 143         REMOTE_FOLDER(folder)->session = NULL;
 144 }
 145
 146 void folder_destroy(Folder *folder)
 147 {
 148         g_return_if_fail(folder != NULL);
 149         g_return_if_fail(folder->klass->destroy_folder != NULL);
 150
 151         folder_list = g_list_remove(folder_list, folder);
 152
 153         folder_tree_destroy(folder);
 154
 155         folder->klass->destroy_folder(folder);
 156
 157         g_free(folder->name);
 158         g_free(folder);
 159 }
 160
 161 void folder_local_folder_destroy(LocalFolder *lfolder)
 162 {
 163         g_return_if_fail(lfolder != NULL);
 164
 165         g_free(lfolder->rootpath);
 166 }
 167
 168 void folder_remote_folder_destroy(RemoteFolder *rfolder)
 169 {
 170         g_return_if_fail(rfolder != NULL);
 171
 172         if (rfolder->session)
 173                 session_destroy(rfolder->session);
 174 }
 175
 176 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 177 {
 178         FolderItem *item = NULL;
 179
 180         if (folder->klass->item_new) {
 181                 item = folder->klass->item_new(folder);
 182         } else {
 183                 item = g_new0(FolderItem, 1);
 184         }
 185
 186         g_return_val_if_fail(item != NULL, NULL);
 187
 188         item->stype = F_NORMAL;
 189         item->name = g_strdup(name);
 190         item->path = g_strdup(path);
 191         item->mtime = 0;
 192         item->new_msgs = 0;
 193         item->unread_msgs = 0;
 194         item->unreadmarked_msgs = 0;
 195         item->total_msgs = 0;
 196         item->last_num = -1;
 197         item->cache = NULL;
 198         item->no_sub = FALSE;
 199         item->no_select = FALSE;
 200         item->collapsed = FALSE;
 201         item->thread_collapsed = FALSE;
 202         item->threaded  = TRUE;
 203         item->ret_rcpt  = FALSE;
 204         item->opened    = FALSE;
 205         item->parent = NULL;
 206         item->folder = NULL;
 207         item->account = NULL;
 208         item->apply_sub = FALSE;
 209         item->mark_queue = NULL;
 210         item->data = NULL;
 211
 212         item->prefs = folder_item_prefs_new();
 213
 214         return item;
 215 }
 216
 217 void folder_item_append(FolderItem *parent, FolderItem *item)
 218 {
 219         GNode *node;
 220
 221         g_return_if_fail(parent != NULL);
 222         g_return_if_fail(parent->folder != NULL);
 223         g_return_if_fail(item != NULL);
 224
 225         node = parent->folder->node;
 226         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 227         g_return_if_fail(node != NULL);
 228
 229         item->parent = parent;
 230         item->folder = parent->folder;
 231         g_node_append_data(node, item);
 232 }
 233
 234 void folder_item_remove(FolderItem *item)
 235 {
 236         GNode *node;
 237
 238         g_return_if_fail(item != NULL);
 239         g_return_if_fail(item->folder != NULL);
 240
 241         node = item->folder->node;
 242         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 243         g_return_if_fail(node != NULL);
 244
 245         /* TODO: free all FolderItem's first */
 246         if (item->folder->node == node)
 247                 item->folder->node = NULL;
 248         g_node_destroy(node);
 249 }
 250
 251 void folder_item_destroy(FolderItem *item)
 252 {
 253         g_return_if_fail(item != NULL);
 254
 255         debug_print("Destroying folder item %s\n", item->path);
 256
 257         if (item->cache)
 258                 folder_item_free_cache(item);
 259         g_free(item->name);
 260         g_free(item->path);
 261
 262         if (item->folder != NULL) {
 263                 if(item->folder->klass->item_destroy) {
 264                         item->folder->klass->item_destroy(item->folder, item);
 265                 } else {
 266                         g_free(item);
 267                 }
 268         }
 269 }
 270
 271 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 272 {
 273         g_return_if_fail(folder != NULL);
 274
 275         folder->ui_func = func;
 276         folder->ui_func_data = data;
 277 }
 278
 279 void folder_set_name(Folder *folder, const gchar *name)
 280 {
 281         g_return_if_fail(folder != NULL);
 282
 283         g_free(folder->name);
 284         folder->name = name ? g_strdup(name) : NULL;
 285         if (folder->node && folder->node->data) {
 286                 FolderItem *item = (FolderItem *)folder->node->data;
 287
 288                 g_free(item->name);
 289                 item->name = name ? g_strdup(name) : NULL;
 290         }
 291 }
 292
 293 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 294         FolderItem *item = (FolderItem *) node->data;
 295
 296         folder_item_destroy(item);
 297         return FALSE;
 298 }
 299
 300 void folder_tree_destroy(Folder *folder)
 301 {
 302         g_return_if_fail(folder != NULL);
 303         g_return_if_fail(folder->node != NULL);
 304
 305         prefs_scoring_clear_folder(folder);
 306         prefs_filtering_clear_folder(folder);
 307
 308         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 309         if (folder->node)
 310                 g_node_destroy(folder->node);
 311
 312         folder->inbox = NULL;
 313         folder->outbox = NULL;
 314         folder->draft = NULL;
 315         folder->queue = NULL;
 316         folder->trash = NULL;
 317         folder->node = NULL;
 318 }
 319
 320 void folder_add(Folder *folder)
 321 {
 322         Folder *cur_folder;
 323         GList *cur;
 324         gint i;
 325
 326         g_return_if_fail(folder != NULL);
 327
 328         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 329                 cur_folder = FOLDER(cur->data);
 330                 if (FOLDER_TYPE(folder) == F_MH) {
 331                         if (FOLDER_TYPE(cur_folder) != F_MH) break;
 332                 } else if (FOLDER_TYPE(folder) == F_MBOX) {
 333                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 334                             FOLDER_TYPE(cur_folder) != F_MBOX) break;
 335                 } else if (FOLDER_TYPE(folder) == F_IMAP) {
 336                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 337                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 338                             FOLDER_TYPE(cur_folder) != F_IMAP) break;
 339                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
 340                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 341                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 342                             FOLDER_TYPE(cur_folder) != F_IMAP &&
 343                             FOLDER_TYPE(cur_folder) != F_NEWS) break;
 344                 }
 345         }
 346
 347         folder_list = g_list_insert(folder_list, folder, i);
 348 }
 349
 350 GList *folder_get_list(void)
 351 {
 352         return folder_list;
 353 }
 354
 355 gint folder_read_list(void)
 356 {
 357         GNode *node;
 358         XMLNode *xmlnode;
 359         gchar *path;
 360
 361         path = folder_get_list_path();
 362         if (!is_file_exist(path)) return -1;
 363         node = xml_parse_file(path);
 364         if (!node) return -1;
 365
 366         xmlnode = node->data;
 367         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 368                 g_warning("wrong folder list\n");
 369                 xml_free_tree(node);
 370                 return -1;
 371         }
 372
 373         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 374                         folder_read_folder_func, NULL);
 375
 376         xml_free_tree(node);
 377         if (folder_list)
 378                 return 0;
 379         else
 380                 return -1;
 381 }
 382
 383 void folder_write_list(void)
 384 {
 385         GList *list;
 386         Folder *folder;
 387         gchar *path;
 388         PrefFile *pfile;
 389
 390         path = folder_get_list_path();
 391         if ((pfile = prefs_write_open(path)) == NULL) return;
 392
 393         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 394                 conv_get_current_charset_str());
 395         fputs("\n<folderlist>\n", pfile->fp);
 396
 397         for (list = folder_list; list != NULL; list = list->next) {
 398                 folder = list->data;
 399                 folder_write_list_recursive(folder->node, pfile->fp);
 400         }
 401
 402         fputs("</folderlist>\n", pfile->fp);
 403
 404         if (prefs_file_close(pfile) < 0)
 405                 g_warning("failed to write folder list.\n");
 406 }
 407
 408 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 409 {
 410         GHashTable *pptable = (GHashTable *)data;
 411         FolderItem *item = (FolderItem *)node->data;
 412
 413         folder_item_restore_persist_prefs(item, pptable);
 414         folder_item_scan_full(item, FALSE);
 415
 416         return FALSE;
 417 }
 418
 419 void folder_scan_tree(Folder *folder)
 420 {
 421         GHashTable *pptable;
 422         FolderUpdateData hookdata;
 423
 424         if (!folder->klass->scan_tree)
 425                 return;
 426
 427         pptable = folder_persist_prefs_new(folder);
 428
 429         /*
 430          * should be changed and tree update should be done without
 431          * destroying the tree first
 432          */
 433         folder_tree_destroy(folder);
 434         folder->klass->scan_tree(folder);
 435
 436         hookdata.folder = folder;
 437         hookdata.update_flags = FOLDER_TREE_CHANGED;
 438         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 439
 440         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 441         folder_persist_prefs_free(pptable);
 442
 443         prefs_matcher_read_config();
 444
 445         folder_write_list();
 446 }
 447
 448 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 449 {
 450         FolderItem *new_item;
 451
 452         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 453         if (new_item)
 454                 new_item->cache = msgcache_new();
 455
 456         return new_item;
 457 }
 458
 459 struct TotalMsgCount
 460 {
 461         guint new_msgs;
 462         guint unread_msgs;
 463         guint unreadmarked_msgs;
 464         guint total_msgs;
 465 };
 466
 467 struct FuncToAllFoldersData
 468 {
 469         FolderItemFunc  function;
 470         gpointer        data;
 471 };
 472
 473 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 474 {
 475         FolderItem *item;
 476         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 477
 478         g_return_val_if_fail(node->data != NULL, FALSE);
 479
 480         item = FOLDER_ITEM(node->data);
 481         g_return_val_if_fail(item != NULL, FALSE);
 482
 483         function_data->function(item, function_data->data);
 484
 485         return FALSE;
 486 }
 487
 488 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 489 {
 490         GList *list;
 491         Folder *folder;
 492         struct FuncToAllFoldersData function_data;
 493
 494         function_data.function = function;
 495         function_data.data = data;
 496
 497         for (list = folder_list; list != NULL; list = list->next) {
 498                 folder = FOLDER(list->data);
 499                 if (folder->node)
 500                         g_node_traverse(folder->node, G_PRE_ORDER,
 501                                         G_TRAVERSE_ALL, -1,
 502                                         folder_func_to_all_folders_func,
 503                                         &function_data);
 504         }
 505 }
 506
 507 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 508 {
 509         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 510
 511         count->new_msgs += item->new_msgs;
 512         count->unread_msgs += item->unread_msgs;
 513         count->unreadmarked_msgs += item->unreadmarked_msgs;
 514         count->total_msgs += item->total_msgs;
 515 }
 516
 517 struct TotalMsgStatus
 518 {
 519         guint new;
 520         guint unread;
 521         guint total;
 522         GString *str;
 523 };
 524
 525 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
 526 {
 527         FolderItem *item;
 528         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
 529         gchar *id;
 530
 531         g_return_val_if_fail(node->data != NULL, FALSE);
 532
 533         item = FOLDER_ITEM(node->data);
 534
 535         if (!item->path) return FALSE;
 536
 537         status->new += item->new_msgs;
 538         status->unread += item->unread_msgs;
 539         status->total += item->total_msgs;
 540
 541         if (status->str) {
 542                 id = folder_item_get_identifier(item);
 543                 g_string_sprintfa(status->str, "%5d %5d %5d %s\n",
 544                                   item->new_msgs, item->unread_msgs,
 545                                   item->total_msgs, id);
 546                 g_free(id);
 547         }
 548
 549         return FALSE;
 550  }
 551
 552 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
 553                                        guint *total)
 554 {
 555         GList *list;
 556         Folder *folder;
 557         struct TotalMsgStatus status;
 558
 559         status.new = status.unread = status.total = 0;
 560         status.str = str;
 561
 562         debug_print("Counting total number of messages...\n");
 563
 564         for (list = folder_list; list != NULL; list = list->next) {
 565                 folder = FOLDER(list->data);
 566                 if (folder->node)
 567                         g_node_traverse(folder->node, G_PRE_ORDER,
 568                                         G_TRAVERSE_ALL, -1,
 569                                         folder_get_status_full_all_func,
 570                                         &status);
 571         }
 572
 573         *new = status.new;
 574         *unread = status.unread;
 575         *total = status.total;
 576 }
 577
 578 gchar *folder_get_status(GPtrArray *folders, gboolean full)
 579 {
 580         guint new, unread, total;
 581         GString *str;
 582         gint i;
 583         gchar *ret;
 584
 585         new = unread = total = 0;
 586
 587         str = g_string_new(NULL);
 588
 589         if (folders) {
 590                 for (i = 0; i < folders->len; i++) {
 591                         FolderItem *item;
 592
 593                         item = g_ptr_array_index(folders, i);
 594                         new += item->new_msgs;
 595                         unread += item->unread_msgs;
 596                         total += item->total_msgs;
 597
 598                         if (full) {
 599                                 gchar *id;
 600
 601                                 id = folder_item_get_identifier(item);
 602                                 g_string_sprintfa(str, "%5d %5d %5d %s\n",
 603                                                   item->new_msgs, item->unread_msgs,
 604                                                   item->total_msgs, id);
 605                                 g_free(id);
 606                         }
 607                 }
 608         } else {
 609                 folder_get_status_full_all(full ? str : NULL,
 610                                            &new, &unread, &total);
 611         }
 612
 613         if (full)
 614                 g_string_sprintfa(str, "%5d %5d %5d\n", new, unread, total);
 615         else
 616                 g_string_sprintfa(str, "%d %d %d\n", new, unread, total);
 617
 618         ret = str->str;
 619         g_string_free(str, FALSE);
 620
 621         return ret;
 622 }
 623
 624 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs, guint *unreadmarked_msgs, guint *total_msgs)
 625 {
 626         struct TotalMsgCount count;
 627
 628         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
 629
 630         debug_print("Counting total number of messages...\n");
 631
 632         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 633
 634         *new_msgs = count.new_msgs;
 635         *unread_msgs = count.unread_msgs;
 636         *unreadmarked_msgs = count.unreadmarked_msgs;
 637         *total_msgs = count.total_msgs;
 638 }
 639
 640 Folder *folder_find_from_path(const gchar *path)
 641 {
 642         GList *list;
 643         Folder *folder;
 644
 645         for (list = folder_list; list != NULL; list = list->next) {
 646                 folder = list->data;
 647                 if ((FOLDER_TYPE(folder) == F_MH || FOLDER_TYPE(folder) == F_MBOX) &&
 648                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 649                         return folder;
 650         }
 651
 652         return NULL;
 653 }
 654
 655 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
 656 {
 657         GList *list;
 658         Folder *folder;
 659
 660         for (list = folder_list; list != NULL; list = list->next) {
 661                 folder = list->data;
 662                 if (folder->klass == klass && strcmp2(name, folder->name) == 0)
 663                         return folder;
 664         }
 665
 666         return NULL;
 667 }
 668
 669 static gboolean folder_item_find_func(GNode *node, gpointer data)
 670 {
 671         FolderItem *item = node->data;
 672         gpointer *d = data;
 673         const gchar *path = d[0];
 674
 675         if (path_cmp(path, item->path) != 0)
 676                 return FALSE;
 677
 678         d[1] = item;
 679
 680         return TRUE;
 681 }
 682
 683 FolderItem *folder_find_item_from_path(const gchar *path)
 684 {
 685         Folder *folder;
 686         gpointer d[2];
 687
 688         folder = folder_get_default_folder();
 689         g_return_val_if_fail(folder != NULL, NULL);
 690
 691         d[0] = (gpointer)path;
 692         d[1] = NULL;
 693         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 694                         folder_item_find_func, d);
 695         return d[1];
 696 }
 697
 698 FolderClass *folder_get_class_from_string(const gchar *str)
 699 {
 700         GSList *classlist;
 701
 702         classlist = folder_get_class_list();
 703         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
 704                 FolderClass *class = (FolderClass *) classlist->data;
 705                 if (g_strcasecmp(class->idstr, str) == 0)
 706                         return class;
 707         }
 708
 709         return NULL;
 710 }
 711
 712 gchar *folder_get_identifier(Folder *folder)
 713 {
 714         gchar *type_str;
 715
 716         g_return_val_if_fail(folder != NULL, NULL);
 717
 718         type_str = folder->klass->idstr;
 719         return g_strconcat("#", type_str, "/", folder->name, NULL);
 720 }
 721
 722 gchar *folder_item_get_identifier(FolderItem *item)
 723 {
 724         gchar *id;
 725         gchar *folder_id;
 726
 727         g_return_val_if_fail(item != NULL, NULL);
 728         g_return_val_if_fail(item->path != NULL, NULL);
 729
 730         folder_id = folder_get_identifier(item->folder);
 731         id = g_strconcat(folder_id, "/", item->path, NULL);
 732         g_free(folder_id);
 733
 734         return id;
 735 }
 736
 737 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 738 {
 739         Folder *folder;
 740         gpointer d[2];
 741         gchar *str;
 742         gchar *p;
 743         gchar *name;
 744         gchar *path;
 745         FolderClass *class;
 746
 747         g_return_val_if_fail(identifier != NULL, NULL);
 748
 749         if (*identifier != '#')
 750                 return folder_find_item_from_path(identifier);
 751
 752         Xstrdup_a(str, identifier, return NULL);
 753
 754         p = strchr(str, '/');
 755         if (!p)
 756                 return folder_find_item_from_path(identifier);
 757         *p = '\0';
 758         p++;
 759         class = folder_get_class_from_string(&str[1]);
 760         if (class == NULL)
 761                 return folder_find_item_from_path(identifier);
 762
 763         name = p;
 764         p = strchr(p, '/');
 765         if (!p)
 766                 return folder_find_item_from_path(identifier);
 767         *p = '\0';
 768         p++;
 769
 770         folder = folder_find_from_name(name, class);
 771         if (!folder)
 772                 return folder_find_item_from_path(identifier);
 773
 774         path = p;
 775
 776         d[0] = (gpointer)path;
 777         d[1] = NULL;
 778         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 779                         folder_item_find_func, d);
 780         return d[1];
 781 }
 782
 783 /**
 784  * Get a displayable name for a FolderItem
 785  *
 786  * \param item FolderItem for that a name should be created
 787  * \return Displayable name for item, returned string has to
 788  *         be freed
 789  */
 790 gchar *folder_item_get_name(FolderItem *item)
 791 {
 792         gchar *name = NULL;
 793
 794         switch (item->stype) {
 795         case F_INBOX:
 796                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
 797                                 item->name);
 798                 break;
 799         case F_OUTBOX:
 800                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
 801                                 item->name);
 802                 break;
 803         case F_QUEUE:
 804                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
 805                                 item->name);
 806                 break;
 807         case F_TRASH:
 808                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
 809                                 item->name);
 810                 break;
 811         case F_DRAFT:
 812                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
 813                                 item->name);
 814                 break;
 815         default:
 816                 break;
 817         }
 818
 819         if (name == NULL) {
 820                 /*
 821                  * should probably be done by a virtual function,
 822                  * the folder knows the ui string and how to abbrev
 823                 */
 824                 if (!item->parent) {
 825                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
 826                 } else {
 827                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
 828                             item->path && !strcmp2(item->name, item->path))
 829                                 name = get_abbrev_newsgroup_name
 830                                         (item->path,
 831                                          prefs_common.ng_abbrev_len);
 832                         else
 833                                 name = g_strdup(item->name);
 834                 }
 835         }
 836
 837         if (name == NULL)
 838                 name = g_strdup("");
 839
 840         return name;
 841 }
 842
 843 Folder *folder_get_default_folder(void)
 844 {
 845         return folder_list ? FOLDER(folder_list->data) : NULL;
 846 }
 847
 848 FolderItem *folder_get_default_inbox(void)
 849 {
 850         Folder *folder;
 851
 852         if (!folder_list) return NULL;
 853         folder = FOLDER(folder_list->data);
 854         g_return_val_if_fail(folder != NULL, NULL);
 855         return folder->inbox;
 856 }
 857
 858 FolderItem *folder_get_default_outbox(void)
 859 {
 860         Folder *folder;
 861
 862         if (!folder_list) return NULL;
 863         folder = FOLDER(folder_list->data);
 864         g_return_val_if_fail(folder != NULL, NULL);
 865         return folder->outbox;
 866 }
 867
 868 FolderItem *folder_get_default_draft(void)
 869 {
 870         Folder *folder;
 871
 872         if (!folder_list) return NULL;
 873         folder = FOLDER(folder_list->data);
 874         g_return_val_if_fail(folder != NULL, NULL);
 875         return folder->draft;
 876 }
 877
 878 FolderItem *folder_get_default_queue(void)
 879 {
 880         Folder *folder;
 881
 882         if (!folder_list) return NULL;
 883         folder = FOLDER(folder_list->data);
 884         g_return_val_if_fail(folder != NULL, NULL);
 885         return folder->queue;
 886 }
 887
 888 FolderItem *folder_get_default_trash(void)
 889 {
 890         Folder *folder;
 891
 892         if (!folder_list) return NULL;
 893         folder = FOLDER(folder_list->data);
 894         g_return_val_if_fail(folder != NULL, NULL);
 895         return folder->trash;
 896 }
 897
 898 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 899 {                                                               \
 900         if (!folder->member) {                                  \
 901                 item = folder_item_new(folder, dir, dir);       \
 902                 item->stype = type;                             \
 903                 folder_item_append(rootitem, item);             \
 904                 folder->member = item;                          \
 905         }                                                       \
 906 }
 907
 908 void folder_set_missing_folders(void)
 909 {
 910         Folder *folder;
 911         FolderItem *rootitem;
 912         FolderItem *item;
 913         GList *list;
 914
 915         for (list = folder_list; list != NULL; list = list->next) {
 916                 folder = list->data;
 917                 if (FOLDER_TYPE(folder) != F_MH) continue;
 918                 rootitem = FOLDER_ITEM(folder->node->data);
 919                 g_return_if_fail(rootitem != NULL);
 920
 921                 if (folder->inbox && folder->outbox && folder->draft &&
 922                     folder->queue && folder->trash)
 923                         continue;
 924
 925                 if (folder->klass->create_tree(folder) < 0) {
 926                         g_warning("%s: can't create the folder tree.\n",
 927                                   LOCAL_FOLDER(folder)->rootpath);
 928                         continue;
 929                 }
 930
 931                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 932                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 933                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 934                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 935                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 936         }
 937 }
 938
 939 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 940 {
 941         FolderItem *item = node->data;
 942         PrefsAccount *account = data;
 943
 944         if (item->account == account)
 945                 item->account = NULL;
 946
 947         return FALSE;
 948 }
 949
 950 void folder_unref_account_all(PrefsAccount *account)
 951 {
 952         Folder *folder;
 953         GList *list;
 954
 955         if (!account) return;
 956
 957         for (list = folder_list; list != NULL; list = list->next) {
 958                 folder = list->data;
 959                 if (folder->account == account)
 960                         folder->account = NULL;
 961                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 962                                 folder_unref_account_func, account);
 963         }
 964 }
 965
 966 #undef CREATE_FOLDER_IF_NOT_EXIST
 967
 968 gchar *folder_item_get_path(FolderItem *item)
 969 {
 970         Folder *folder;
 971
 972         g_return_val_if_fail(item != NULL, NULL);
 973         folder = item->folder;
 974         g_return_val_if_fail(folder != NULL, NULL);
 975
 976         return folder->klass->item_get_path(folder, item);
 977 }
 978
 979 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 980 {
 981         if (!(dest->stype == F_OUTBOX ||
 982               dest->stype == F_QUEUE  ||
 983               dest->stype == F_DRAFT  ||
 984               dest->stype == F_TRASH)) {
 985                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 986         } else {
 987                 flags->perm_flags = 0;
 988         }
 989         flags->tmp_flags = MSG_CACHED;
 990         if (FOLDER_TYPE(dest->folder) == F_MH) {
 991                 if (dest->stype == F_QUEUE) {
 992                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 993                 } else if (dest->stype == F_DRAFT) {
 994                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 995                 }
 996         }
 997 }
 998
 999 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1000 {
1001         MsgInfo *msginfo_a = (MsgInfo *) a;
1002         MsgInfo *msginfo_b = (MsgInfo *) b;
1003
1004         return (msginfo_a->msgnum - msginfo_b->msgnum);
1005 }
1006
1007 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1008 {
1009         guint gint_a = GPOINTER_TO_INT(a);
1010         guint gint_b = GPOINTER_TO_INT(b);
1011
1012         return (gint_a - gint_b);
1013 }
1014
1015 gint folder_item_open(FolderItem *item)
1016 {
1017         if(((FOLDER_TYPE(item->folder) == F_IMAP) && !item->no_select) || (FOLDER_TYPE(item->folder) == F_NEWS)) {
1018                 folder_item_scan_full(item, TRUE);
1019         }
1020
1021         /* Processing */
1022         if(item->prefs->processing != NULL) {
1023                 gchar *buf;
1024
1025                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
1026                 debug_print("%s\n", buf);
1027                 g_free(buf);
1028
1029                 folder_item_apply_processing(item);
1030
1031                 debug_print("done.\n");
1032         }
1033
1034         return 0;
1035 }
1036
1037 void folder_item_close(FolderItem *item)
1038 {
1039         GSList *mlist, *cur;
1040
1041         g_return_if_fail(item != NULL);
1042
1043         if (item->new_msgs) {
1044                 folder_item_update_freeze();
1045                 mlist = folder_item_get_msg_list(item);
1046                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1047                         MsgInfo * msginfo;
1048
1049                         msginfo = (MsgInfo *) cur->data;
1050                         if (MSG_IS_NEW(msginfo->flags))
1051                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1052                         procmsg_msginfo_free(msginfo);
1053                 }
1054                 g_slist_free(mlist);
1055                 folder_item_update_thaw();
1056         }
1057
1058         folder_item_write_cache(item);
1059
1060         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1061 }
1062
1063 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
1064 {
1065         Folder *folder;
1066         GSList *folder_list = NULL, *cache_list = NULL;
1067         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1068         GSList *exists_list = NULL, *elem;
1069         GSList *newmsg_list = NULL;
1070         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1071         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1072         gboolean update_flags = 0;
1073
1074         g_return_val_if_fail(item != NULL, -1);
1075         if (item->path == NULL) return -1;
1076
1077         folder = item->folder;
1078
1079         g_return_val_if_fail(folder != NULL, -1);
1080         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
1081
1082         debug_print("Scanning folder %s for cache changes.\n", item->path);
1083
1084         /* Get list of messages for folder and cache */
1085         if (folder->klass->get_num_list(item->folder, item, &folder_list) < 0) {
1086                 debug_print("Error fetching list of message numbers\n");
1087                 return(-1);
1088         }
1089
1090         if (!folder->klass->check_msgnum_validity ||
1091             folder->klass->check_msgnum_validity(folder, item)) {
1092                 if (!item->cache)
1093                         folder_item_read_cache(item);
1094                 cache_list = msgcache_get_msg_list(item->cache);
1095         } else {
1096                 if (item->cache)
1097                         msgcache_destroy(item->cache);
1098                 item->cache = msgcache_new();
1099                 cache_list = NULL;
1100         }
1101
1102         /* Sort both lists */
1103         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1104         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1105
1106         cache_list_cur = cache_list;
1107         folder_list_cur = folder_list;
1108
1109         if (cache_list_cur != NULL) {
1110                 GSList *cache_list_last;
1111
1112                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1113                 cache_list_last = g_slist_last(cache_list);
1114                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1115         } else {
1116                 cache_cur_num = G_MAXINT;
1117                 cache_max_num = 0;
1118         }
1119
1120         if (folder_list_cur != NULL) {
1121                 GSList *folder_list_last;
1122
1123                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1124                 folder_list_last = g_slist_last(folder_list);
1125                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1126         } else {
1127                 folder_cur_num = G_MAXINT;
1128                 folder_max_num = 0;
1129         }
1130
1131         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1132                 /*
1133                  *  Message only exists in the folder
1134                  *  Remember message for fetching
1135                  */
1136                 if (folder_cur_num < cache_cur_num) {
1137                         gboolean add = FALSE;
1138
1139                         switch(FOLDER_TYPE(folder)) {
1140                                 case F_NEWS:
1141                                         if (folder_cur_num < cache_max_num)
1142                                                 break;
1143
1144                                         if (folder->account->max_articles == 0) {
1145                                                 add = TRUE;
1146                                         }
1147
1148                                         if (folder_max_num <= folder->account->max_articles) {
1149                                                 add = TRUE;
1150                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1151                                                 add = TRUE;
1152                                         }
1153                                         break;
1154                                 default:
1155                                         add = TRUE;
1156                                         break;
1157                         }
1158
1159                         if (add) {
1160                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1161                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1162                         }
1163
1164                         /* Move to next folder number */
1165                         folder_list_cur = folder_list_cur->next;
1166
1167                         if (folder_list_cur != NULL)
1168                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1169                         else
1170                                 folder_cur_num = G_MAXINT;
1171
1172                         continue;
1173                 }
1174
1175                 /*
1176                  *  Message only exists in the cache
1177                  *  Remove the message from the cache
1178                  */
1179                 if (cache_cur_num < folder_cur_num) {
1180                         msgcache_remove_msg(item->cache, cache_cur_num);
1181                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1182
1183                         /* Move to next cache number */
1184                         cache_list_cur = cache_list_cur->next;
1185
1186                         if (cache_list_cur != NULL)
1187                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1188                         else
1189                                 cache_cur_num = G_MAXINT;
1190
1191                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1192
1193                         continue;
1194                 }
1195
1196                 /*
1197                  *  Message number exists in folder and cache!
1198                  *  Check if the message has been modified
1199                  */
1200                 if (cache_cur_num == folder_cur_num) {
1201                         MsgInfo *msginfo;
1202
1203                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1204                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1205                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1206                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1207                                 procmsg_msginfo_free(msginfo);
1208
1209                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1210                         } else
1211                                 exists_list = g_slist_prepend(exists_list, msginfo);
1212
1213                         /* Move to next folder and cache number */
1214                         cache_list_cur = cache_list_cur->next;
1215                         folder_list_cur = folder_list_cur->next;
1216
1217                         if (cache_list_cur != NULL)
1218                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1219                         else
1220                                 cache_cur_num = G_MAXINT;
1221
1222                         if (folder_list_cur != NULL)
1223                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1224                         else
1225                                 folder_cur_num = G_MAXINT;
1226
1227                         continue;
1228                 }
1229         }
1230
1231         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1232                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1233
1234         g_slist_free(cache_list);
1235         g_slist_free(folder_list);
1236
1237         if (new_list != NULL) {
1238                 if (folder->klass->get_msginfos) {
1239                         newmsg_list = folder->klass->get_msginfos(folder, item, new_list);
1240                 } else if (folder->klass->get_msginfo) {
1241                         GSList *elem;
1242
1243                         for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1244                                 MsgInfo *msginfo;
1245                                 guint num;
1246
1247                                 num = GPOINTER_TO_INT(elem->data);
1248                                 msginfo = folder->klass->get_msginfo(folder, item, num);
1249                                 if (msginfo != NULL) {
1250                                         newmsg_list = g_slist_prepend(newmsg_list, msginfo);
1251                                         debug_print("Added newly found message %d to cache.\n", num);
1252                                 }
1253                         }
1254                 }
1255                 g_slist_free(new_list);
1256         }
1257
1258         folder_item_update_freeze();
1259         if (newmsg_list != NULL) {
1260                 GSList *elem;
1261
1262                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1263                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1264
1265                         msgcache_add_msg(item->cache, msginfo);
1266                         if ((filtering == TRUE) &&
1267                             (item->stype == F_INBOX) &&
1268                             (item->folder->account != NULL) &&
1269                             (item->folder->account->filter_on_recv) &&
1270                             procmsg_msginfo_filter(msginfo))
1271                                 procmsg_msginfo_free(msginfo);
1272                         else
1273                                 exists_list = g_slist_prepend(exists_list, msginfo);
1274                 }
1275                 g_slist_free(newmsg_list);
1276
1277                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1278         }
1279
1280         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1281                 MsgInfo *msginfo;
1282
1283                 msginfo = elem->data;
1284                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1285                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1286                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1287                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1288                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1289                 }
1290                 if ((item->stype == F_OUTBOX ||
1291                      item->stype == F_QUEUE  ||
1292                      item->stype == F_DRAFT  ||
1293                      item->stype == F_TRASH) &&
1294                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1295                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1296                 if (MSG_IS_NEW(msginfo->flags))
1297                         newcnt++;
1298                 if (MSG_IS_UNREAD(msginfo->flags))
1299                         unreadcnt++;
1300                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1301                         unreadmarkedcnt++;
1302                 totalcnt++;
1303
1304                 procmsg_msginfo_free(msginfo);
1305         }
1306         g_slist_free(exists_list);
1307
1308         item->new_msgs = newcnt;
1309         item->unread_msgs = unreadcnt;
1310         item->total_msgs = totalcnt;
1311         item->unreadmarked_msgs = unreadmarkedcnt;
1312
1313         update_flags |= F_ITEM_UPDATE_MSGCNT;
1314
1315         folder_item_update(item, update_flags);
1316         folder_item_update_thaw();
1317
1318         return 0;
1319 }
1320
1321 gint folder_item_scan(FolderItem *item)
1322 {
1323         return folder_item_scan_full(item, TRUE);
1324 }
1325
1326 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1327 {
1328         FolderItem *item = node->data;
1329
1330         folder_item_scan(item);
1331
1332         return FALSE;
1333 }
1334
1335 void folder_scan_all_items(Folder * folder)
1336 {
1337         g_node_traverse(folder->node, G_PRE_ORDER,
1338                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1339 }
1340
1341 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1342                                           gpointer data)
1343 {
1344         folder_item_scan(FOLDER_ITEM(key));
1345 }
1346
1347 void folder_item_scan_foreach(GHashTable *table)
1348 {
1349         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1350 }
1351
1352 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1353 {
1354         gint *memusage = (gint *)data;
1355
1356         if (item->cache == NULL)
1357                 return;
1358
1359         *memusage += msgcache_get_memory_usage(item->cache);
1360 }
1361
1362 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1363 {
1364         FolderItem *fa = (FolderItem *)a;
1365         FolderItem *fb = (FolderItem *)b;
1366
1367         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1368 }
1369
1370 void folder_find_expired_caches(FolderItem *item, gpointer data)
1371 {
1372         GSList **folder_item_list = (GSList **)data;
1373         gint difftime, expiretime;
1374
1375         if (item->cache == NULL)
1376                 return;
1377
1378         if (item->opened > 0)
1379                 return;
1380
1381         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1382         expiretime = prefs_common.cache_min_keep_time * 60;
1383         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1384         if (difftime > expiretime) {
1385                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1386         }
1387 }
1388
1389 void folder_item_free_cache(FolderItem *item)
1390 {
1391         g_return_if_fail(item != NULL);
1392
1393         if (item->cache == NULL)
1394                 return;
1395
1396         if (item->opened > 0)
1397                 return;
1398
1399         folder_item_write_cache(item);
1400         msgcache_destroy(item->cache);
1401         item->cache = NULL;
1402 }
1403
1404 void folder_clean_cache_memory(void)
1405 {
1406         gint memusage = 0;
1407
1408         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1409         debug_print("Total cache memory usage: %d\n", memusage);
1410
1411         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1412                 GSList *folder_item_list = NULL, *listitem;
1413
1414                 debug_print("Trying to free cache memory\n");
1415
1416                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1417                 listitem = folder_item_list;
1418                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1419                         FolderItem *item = (FolderItem *)(listitem->data);
1420
1421                         debug_print("Freeing cache memory for %s\n", item->path);
1422                         memusage -= msgcache_get_memory_usage(item->cache);
1423                         folder_item_free_cache(item);
1424                         listitem = listitem->next;
1425                 }
1426                 g_slist_free(folder_item_list);
1427         }
1428 }
1429
1430 void folder_item_read_cache(FolderItem *item)
1431 {
1432         gchar *cache_file, *mark_file;
1433
1434         g_return_if_fail(item != NULL);
1435
1436         cache_file = folder_item_get_cache_file(item);
1437         mark_file = folder_item_get_mark_file(item);
1438         item->cache = msgcache_read_cache(item, cache_file);
1439         if (!item->cache) {
1440                 item->cache = msgcache_new();
1441                 folder_item_scan_full(item, TRUE);
1442         }
1443         msgcache_read_mark(item->cache, mark_file);
1444         g_free(cache_file);
1445         g_free(mark_file);
1446
1447         folder_clean_cache_memory();
1448 }
1449
1450 void folder_item_write_cache(FolderItem *item)
1451 {
1452         gchar *cache_file, *mark_file;
1453         FolderItemPrefs *prefs;
1454         gint filemode = 0;
1455         gchar *id;
1456
1457         if (!item || !item->path || !item->cache)
1458                 return;
1459
1460         id = folder_item_get_identifier(item);
1461         debug_print("Save cache for folder %s\n", id);
1462         g_free(id);
1463
1464         cache_file = folder_item_get_cache_file(item);
1465         mark_file = folder_item_get_mark_file(item);
1466         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1467                 prefs = item->prefs;
1468                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1469                         /* for cache file */
1470                         filemode = prefs->folder_chmod;
1471                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1472                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1473                         chmod(cache_file, filemode);
1474                 }
1475         }
1476
1477         g_free(cache_file);
1478         g_free(mark_file);
1479 }
1480
1481 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
1482 {
1483         Folder *folder;
1484         MsgInfo *msginfo;
1485
1486         g_return_val_if_fail(item != NULL, NULL);
1487
1488         folder = item->folder;
1489         if (!item->cache)
1490                 folder_item_read_cache(item);
1491
1492         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1493                 return msginfo;
1494
1495         g_return_val_if_fail(folder->klass->get_msginfo, NULL);
1496         if ((msginfo = folder->klass->get_msginfo(folder, item, num)) != NULL) {
1497                 msgcache_add_msg(item->cache, msginfo);
1498                 return msginfo;
1499         }
1500
1501         return NULL;
1502 }
1503
1504 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
1505 {
1506         Folder *folder;
1507         MsgInfo *msginfo;
1508
1509         g_return_val_if_fail(item != NULL, NULL);
1510
1511         folder = item->folder;
1512         if (!item->cache)
1513                 folder_item_read_cache(item);
1514
1515         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1516                 return msginfo;
1517
1518         return NULL;
1519 }
1520
1521 GSList *folder_item_get_msg_list(FolderItem *item)
1522 {
1523         g_return_val_if_fail(item != NULL, NULL);
1524
1525         if (item->cache == 0)
1526                 folder_item_read_cache(item);
1527
1528         g_return_val_if_fail(item->cache != NULL, NULL);
1529
1530         return msgcache_get_msg_list(item->cache);
1531 }
1532
1533 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1534 {
1535         Folder *folder;
1536
1537         g_return_val_if_fail(item != NULL, NULL);
1538
1539         folder = item->folder;
1540
1541         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
1542
1543         return folder->klass->fetch_msg(folder, item, num);
1544 }
1545
1546 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
1547 {
1548         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
1549                                        {NULL,           NULL, FALSE}};
1550         FILE *fp;
1551         MsgInfo *msginfo;
1552         gint msgnum = 0;
1553         gchar buf[BUFFSIZE];
1554
1555         if ((fp = fopen(file, "rb")) == NULL)
1556                 return 0;
1557
1558         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
1559                 while (fgets(buf, sizeof(buf), fp) != NULL)
1560                         if (buf[0] == '\r' || buf[0] == '\n') break;
1561
1562         procheader_get_header_fields(fp, hentry);
1563         if (hentry[0].body) {
1564                 extract_parenthesis(hentry[0].body, '<', '>');
1565                 remove_space(hentry[0].body);
1566                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
1567                         msgnum = msginfo->msgnum;
1568                         procmsg_msginfo_free(msginfo);
1569
1570                         debug_print("found message as uid %d\n", msgnum);
1571                 }
1572         }
1573
1574         g_free(hentry[0].body);
1575         hentry[0].body = NULL;
1576         fclose(fp);
1577
1578         return msgnum;
1579 }
1580
1581 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
1582 {
1583         MsgPermFlags perm_flags = 0;
1584         MsgTmpFlags tmp_flags = 0;
1585
1586         /* create new flags */
1587         if (source != NULL) {
1588                 /* copy original flags */
1589                 perm_flags = source->flags.perm_flags;
1590                 tmp_flags = source->flags.tmp_flags;
1591         } else {
1592                 perm_flags = dest->flags.perm_flags;
1593                 tmp_flags = dest->flags.tmp_flags;
1594         }
1595
1596         /* remove new, unread and deleted in special folders */
1597         if (dest->folder->stype == F_OUTBOX ||
1598             dest->folder->stype == F_QUEUE  ||
1599             dest->folder->stype == F_DRAFT  ||
1600             dest->folder->stype == F_TRASH)
1601                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
1602
1603         /* set ignore flag of ignored parent exists */
1604         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
1605                 perm_flags |= MSG_IGNORE_THREAD;
1606
1607         /* Unset tmp flags that should not be copied */
1608         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
1609
1610         /* unset flags that are set but should not */
1611         procmsg_msginfo_unset_flags(dest,
1612                                     dest->flags.perm_flags & ~perm_flags,
1613                                     dest->flags.tmp_flags  & ~tmp_flags);
1614         /* set new flags */
1615         procmsg_msginfo_set_flags(dest,
1616                                   ~dest->flags.perm_flags & perm_flags,
1617                                   ~dest->flags.tmp_flags  & tmp_flags);
1618
1619         folder_item_update(dest->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1620 }
1621
1622 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
1623 {
1624         /* update folder stats */
1625         if (MSG_IS_NEW(newmsginfo->flags))
1626                 item->new_msgs++;
1627         if (MSG_IS_UNREAD(newmsginfo->flags))
1628                 item->unread_msgs++;
1629         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1630                 item->unreadmarked_msgs++;
1631         item->total_msgs++;
1632
1633         copy_msginfo_flags(flagsource, newmsginfo);
1634
1635         msgcache_add_msg(item->cache, newmsginfo);
1636 }
1637
1638 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
1639 {
1640         if (!item->cache)
1641                 folder_item_read_cache(item);
1642
1643         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1644                 msginfo->folder->new_msgs--;
1645         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1646                 msginfo->folder->unread_msgs--;
1647         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1648                 msginfo->folder->unreadmarked_msgs--;
1649         msginfo->folder->total_msgs--;
1650
1651         msgcache_remove_msg(item->cache, msginfo->msgnum);
1652         folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1653 }
1654
1655 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1656                          gboolean remove_source)
1657 {
1658         GSList file_list;
1659
1660         g_return_val_if_fail(dest != NULL, -1);
1661         g_return_val_if_fail(file != NULL, -1);
1662
1663         file_list.data = (gpointer) file;
1664         file_list.next = NULL;
1665
1666         return folder_item_add_msgs(dest, &file_list, remove_source);
1667 }
1668
1669 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
1670                           gboolean remove_source)
1671 {
1672         Folder *folder;
1673         gint ret, num, lastnum = -1;
1674         GSList *file_cur;
1675         MsgNumberList *newnum_list = NULL, *newnum_cur = NULL;
1676         gchar *file = NULL;
1677         gboolean folderscan = FALSE;
1678
1679         g_return_val_if_fail(dest != NULL, -1);
1680         g_return_val_if_fail(file_list != NULL, -1);
1681         g_return_val_if_fail(dest->folder != NULL, -1);
1682
1683         folder = dest->folder;
1684
1685         if (folder->klass->add_msgs != NULL) {
1686                 ret = folder->klass->add_msgs(folder, dest, file_list, &newnum_list);
1687                 if (ret < 0) {
1688                         g_slist_free(newnum_list);
1689                         return ret;
1690                 }
1691         } else {
1692                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
1693                         file = (gchar *) file_cur->data;
1694
1695                         ret = folder->klass->add_msg(folder, dest, file);
1696                         if (ret < 0) {
1697                                 g_slist_free(newnum_list);
1698                                 return ret;
1699                         }
1700                         newnum_list = g_slist_append(newnum_list, GINT_TO_POINTER(ret));
1701                 }
1702         }
1703
1704         for (newnum_cur = newnum_list, file_cur = file_list;
1705              newnum_cur != NULL && file_cur != NULL;
1706              newnum_cur = g_slist_next(newnum_cur), file_cur = g_slist_next(file_cur)) {
1707
1708                 num = GPOINTER_TO_INT(newnum_cur->data);
1709                 file = (gchar *) file_cur->data;
1710
1711                 if (num >= 0) {
1712                         MsgInfo *newmsginfo;
1713
1714                         if (num == 0) {
1715                                 if (!folderscan) {
1716                                         folder_item_scan_full(dest, FALSE);
1717                                         folderscan = TRUE;
1718                                 }
1719                                 num = folder_item_get_msg_num_by_file(dest, file);
1720                         }
1721
1722                         if (num > lastnum)
1723                                 lastnum = num;
1724
1725                         if (num >= 0 && remove_source) {
1726                                 if (unlink(file) < 0)
1727                                         FILE_OP_ERROR(file, "unlink");
1728                         }
1729
1730                         if (num == 0)
1731                                 continue;
1732
1733                         if (!folderscan &&
1734                             ((newmsginfo = folder->klass->get_msginfo(folder, dest, num)) != NULL)) {
1735                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
1736                                 procmsg_msginfo_free(newmsginfo);
1737                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
1738                                 /* TODO: set default flags */
1739                                 procmsg_msginfo_free(newmsginfo);
1740                         }
1741                 }
1742         }
1743
1744         g_slist_free(newnum_list);
1745
1746         return lastnum;
1747 }
1748
1749 /*
1750 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1751 {
1752         Folder *folder;
1753         gint num;
1754
1755         g_return_val_if_fail(dest != NULL, -1);
1756         g_return_val_if_fail(msginfo != NULL, -1);
1757
1758         folder = dest->folder;
1759         if (dest->last_num < 0) folder->scan(folder, dest);
1760
1761         num = folder->move_msg(folder, dest, msginfo);
1762         if (num > 0) dest->last_num = num;
1763
1764         return num;
1765 }
1766 */
1767
1768 FolderItem *folder_item_move_recursive (FolderItem *src, FolderItem *dest)
1769 {
1770         GSList *mlist;
1771         FolderItem *new_item;
1772         FolderItem *next_item;
1773         GNode *srcnode;
1774         gchar *old_id, *new_id;
1775
1776         mlist = folder_item_get_msg_list(src);
1777
1778         /* move messages */
1779         debug_print("Moving %s to %s\n", src->path, dest->path);
1780         new_item = folder_create_folder(dest, g_basename(src->path));
1781         if (new_item == NULL) {
1782                 printf("Can't create folder\n");
1783                 return NULL;
1784         }
1785
1786         if (new_item->folder == NULL)
1787                 new_item->folder = dest->folder;
1788
1789         /* move messages */
1790         log_message(_("Moving %s to %s...\n"),
1791                         src->name, new_item->path);
1792         folder_item_move_msgs_with_dest(new_item, mlist);
1793
1794         /*copy prefs*/
1795         folder_item_prefs_copy_prefs(src, new_item);
1796         new_item->collapsed = src->collapsed;
1797         new_item->thread_collapsed = src->thread_collapsed;
1798         new_item->threaded  = src->threaded;
1799         new_item->ret_rcpt  = src->ret_rcpt;
1800         new_item->hide_read_msgs = src->hide_read_msgs;
1801         new_item->sort_key  = src->sort_key;
1802         new_item->sort_type = src->sort_type;
1803
1804         prefs_matcher_write_config();
1805
1806         /* recurse */
1807         srcnode = src->folder->node;
1808         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1809         srcnode = srcnode->children;
1810         while (srcnode != NULL) {
1811                 if (srcnode && srcnode->data) {
1812                         next_item = (FolderItem*) srcnode->data;
1813                         srcnode = srcnode->next;
1814                         if (folder_item_move_recursive(next_item, new_item) == NULL)
1815                                 return NULL;
1816                 }
1817         }
1818         old_id = folder_item_get_identifier(src);
1819         new_id = folder_item_get_identifier(new_item);
1820         debug_print("updating rules : %s => %s\n", old_id, new_id);
1821
1822         src->folder->klass->remove_folder(src->folder, src);
1823         folder_write_list();
1824
1825         if (old_id != NULL && new_id != NULL)
1826                 prefs_filtering_rename_path(old_id, new_id);
1827         g_free(old_id);
1828         g_free(new_id);
1829
1830         return new_item;
1831 }
1832
1833 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
1834 {
1835         FolderItem *tmp = dest->parent;
1836         gchar * src_identifier, * dst_identifier;
1837         gchar * phys_srcpath, * phys_dstpath;
1838         GNode *src_node;
1839
1840         while (tmp) {
1841                 if (tmp == src) {
1842                         return F_MOVE_FAILED_DEST_IS_CHILD;
1843                 }
1844                 tmp = tmp->parent;
1845         }
1846
1847         tmp = src->parent;
1848
1849         src_identifier = folder_item_get_identifier(src);
1850         dst_identifier = folder_item_get_identifier(dest);
1851
1852         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
1853                 /* dest can be a root folder */
1854                 dst_identifier = folder_get_identifier(dest->folder);
1855         }
1856         if (src_identifier == NULL || dst_identifier == NULL) {
1857                 debug_print("Can't get identifiers\n");
1858                 return F_MOVE_FAILED;
1859         }
1860
1861         if (src->folder != dest->folder) {
1862                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
1863         }
1864
1865         phys_srcpath = folder_item_get_path(src);
1866         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
1867
1868         if (src->parent == dest || src == dest) {
1869                 g_free(src_identifier);
1870                 g_free(dst_identifier);
1871                 g_free(phys_srcpath);
1872                 g_free(phys_dstpath);
1873                 return F_MOVE_FAILED_DEST_IS_PARENT;
1874         }
1875         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1876         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
1877                 return F_MOVE_FAILED;
1878         }
1879
1880         /* update rules */
1881         src_node = g_node_find(src->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1882         if (src_node)
1883                 g_node_destroy(src_node);
1884         else
1885                 debug_print("can't remove node: it's null!\n");
1886         /* not to much worry if remove fails, move has been done */
1887
1888         g_free(src_identifier);
1889         g_free(dst_identifier);
1890         g_free(phys_srcpath);
1891         g_free(phys_dstpath);
1892
1893         *new_item = tmp;
1894
1895         return F_MOVE_OK;
1896 }
1897
1898 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1899 {
1900         GSList *list = NULL;
1901         gint ret;
1902
1903         list = g_slist_append(list, msginfo);
1904         ret = folder_item_move_msgs_with_dest(dest, list);
1905         g_slist_free(list);
1906
1907         return ret;
1908 }
1909
1910 /*
1911 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1912 {
1913         Folder *folder;
1914         gint num;
1915
1916         g_return_val_if_fail(dest != NULL, -1);
1917         g_return_val_if_fail(msglist != NULL, -1);
1918
1919         folder = dest->folder;
1920         if (dest->last_num < 0) folder->scan(folder, dest);
1921
1922         num = folder->move_msgs_with_dest(folder, dest, msglist);
1923         if (num > 0) dest->last_num = num;
1924         else dest->op_count = 0;
1925
1926         return num;
1927 }
1928 */
1929
1930 /**
1931  * Copy a list of messages to a new folder.
1932  *
1933  * \param dest Destination folder
1934  * \param msglist List of messages
1935  */
1936 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1937 {
1938         Folder *folder;
1939         GSList *newmsgnums = NULL;
1940         GSList *l, *l2;
1941         gint num, lastnum = -1;
1942         gboolean folderscan = FALSE;
1943
1944         g_return_val_if_fail(dest != NULL, -1);
1945         g_return_val_if_fail(msglist != NULL, -1);
1946
1947         folder = dest->folder;
1948
1949         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
1950
1951         /*
1952          * Copy messages to destination folder and
1953          * store new message numbers in newmsgnums
1954          */
1955         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1956                 MsgInfo * msginfo = (MsgInfo *) l->data;
1957
1958                 num = folder->klass->copy_msg(folder, dest, msginfo);
1959                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1960         }
1961
1962         /* Read cache for dest folder */
1963         if (!dest->cache) folder_item_read_cache(dest);
1964
1965         /*
1966          * Fetch new MsgInfos for new messages in dest folder,
1967          * add them to the msgcache and update folder message counts
1968          */
1969         for (l = msglist, l2 = newmsgnums;
1970              l != NULL && l2 != NULL;
1971              l = g_slist_next(l), l2 = g_slist_next(l2)) {
1972                 MsgInfo *msginfo = (MsgInfo *) l->data;
1973
1974                 num = GPOINTER_TO_INT(l2->data);
1975
1976                 if (num >= 0) {
1977                         MsgInfo *newmsginfo;
1978
1979                         if (num == 0) {
1980                                 gchar *file;
1981
1982                                 if (!folderscan) {
1983                                         folder_item_scan_full(dest, FALSE);
1984                                         folderscan = TRUE;
1985                                 }
1986                                 file = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
1987                                 num = folder_item_get_msg_num_by_file(dest, file);
1988                                 g_free(file);
1989                         }
1990
1991                         if (num > lastnum)
1992                                 lastnum = num;
1993
1994                         if (num == 0)
1995                                 continue;
1996
1997                         if (!folderscan &&
1998                             ((newmsginfo = folder->klass->get_msginfo(folder, dest, num)) != NULL)) {
1999                                 add_msginfo_to_cache(dest, newmsginfo, msginfo);
2000                                 procmsg_msginfo_free(newmsginfo);
2001                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2002                                 copy_msginfo_flags(msginfo, newmsginfo);
2003                                 procmsg_msginfo_free(newmsginfo);
2004                         }
2005                 }
2006         }
2007
2008         /*
2009          * Remove source messages from their folders if
2010          * copying was successfull and update folder
2011          * message counts
2012          */
2013         l2 = newmsgnums;
2014         for (l = msglist, l2 = newmsgnums;
2015              l != NULL && l2 != NULL;
2016              l = g_slist_next(l), l2 = g_slist_next(l2)) {
2017                 MsgInfo *msginfo = (MsgInfo *) l->data;
2018                 FolderItem *item = msginfo->folder;
2019
2020                 num = GPOINTER_TO_INT(l2->data);
2021
2022                 if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
2023                         item->folder->klass->remove_msg(item->folder,
2024                                                         msginfo->folder,
2025                                                         msginfo->msgnum);
2026                         remove_msginfo_from_cache(item, msginfo);
2027                 }
2028         }
2029
2030
2031         if (folder->klass->finished_copy)
2032                 folder->klass->finished_copy(folder, dest);
2033
2034         g_slist_free(newmsgnums);
2035         return lastnum;
2036 }
2037
2038 /*
2039 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2040 {
2041         Folder *folder;
2042         gint num;
2043
2044         g_return_val_if_fail(dest != NULL, -1);
2045         g_return_val_if_fail(msginfo != NULL, -1);
2046
2047         folder = dest->folder;
2048         if (dest->last_num < 0) folder->scan(folder, dest);
2049
2050         num = folder->copy_msg(folder, dest, msginfo);
2051         if (num > 0) dest->last_num = num;
2052
2053         return num;
2054 }
2055 */
2056
2057 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
2058 {
2059         GSList msglist;
2060
2061         g_return_val_if_fail(dest != NULL, -1);
2062         g_return_val_if_fail(msginfo != NULL, -1);
2063
2064         msglist.data = msginfo;
2065         msglist.next = NULL;
2066
2067         return folder_item_copy_msgs_with_dest(dest, &msglist);
2068 }
2069
2070 /*
2071 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
2072 {
2073         Folder *folder;
2074         gint num;
2075
2076         g_return_val_if_fail(dest != NULL, -1);
2077         g_return_val_if_fail(msglist != NULL, -1);
2078
2079         folder = dest->folder;
2080         if (dest->last_num < 0) folder->scan(folder, dest);
2081
2082         num = folder->copy_msgs_with_dest(folder, dest, msglist);
2083         if (num > 0) dest->last_num = num;
2084         else dest->op_count = 0;
2085
2086         return num;
2087 }
2088 */
2089
2090 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
2091 {
2092         Folder *folder;
2093         gint num, lastnum = -1;
2094         GSList *newmsgnums = NULL;
2095         GSList *l, *l2;
2096         gboolean folderscan = FALSE;
2097
2098         g_return_val_if_fail(dest != NULL, -1);
2099         g_return_val_if_fail(msglist != NULL, -1);
2100
2101         folder = dest->folder;
2102
2103         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
2104
2105         /*
2106          * Copy messages to destination folder and
2107          * store new message numbers in newmsgnums
2108          */
2109         if (folder->klass->copy_msgs != NULL) {
2110                 if (folder->klass->copy_msgs(folder, dest, msglist, &newmsgnums) < 0) {
2111                         g_slist_free(newmsgnums);
2112                         return -1;
2113                 }
2114         } else {
2115                 for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
2116                         MsgInfo * msginfo = (MsgInfo *) l->data;
2117
2118                         num = folder->klass->copy_msg(folder, dest, msginfo);
2119                         newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
2120                 }
2121         }
2122
2123         /* Read cache for dest folder */
2124         if (!dest->cache) folder_item_read_cache(dest);
2125
2126         /*
2127          * Fetch new MsgInfos for new messages in dest folder,
2128          * add them to the msgcache and update folder message counts
2129          */
2130         for (l = msglist, l2 = newmsgnums;
2131              l != NULL && l2 != NULL;
2132              l = g_slist_next(l), l2 = g_slist_next(l2)) {
2133                 MsgInfo *msginfo = (MsgInfo *) l->data;
2134
2135                 num = GPOINTER_TO_INT(l2->data);
2136
2137                 if (num >= 0) {
2138                         MsgInfo *newmsginfo;
2139
2140                         if (num == 0) {
2141                                 gchar *file;
2142
2143                                 if (!folderscan) {
2144                                         folder_item_scan_full(dest, FALSE);
2145                                         folderscan = TRUE;
2146                                 }
2147                                 file = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
2148                                 num = folder_item_get_msg_num_by_file(dest, file);
2149                                 g_free(file);
2150                         }
2151
2152                         if (num > lastnum)
2153                                 lastnum = num;
2154
2155                         if (num == 0)
2156                                 continue;
2157
2158                         if (!folderscan &&
2159                             ((newmsginfo = folder->klass->get_msginfo(folder, dest, num)) != NULL)) {
2160                                 newmsginfo = folder->klass->get_msginfo(folder, dest, num);
2161                                 add_msginfo_to_cache(dest, newmsginfo, msginfo);
2162                                 procmsg_msginfo_free(newmsginfo);
2163                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
2164                                 copy_msginfo_flags(msginfo, newmsginfo);
2165                                 procmsg_msginfo_free(newmsginfo);
2166                         }
2167                 }
2168         }
2169
2170         if (folder->klass->finished_copy)
2171                 folder->klass->finished_copy(folder, dest);
2172
2173         g_slist_free(newmsgnums);
2174         return lastnum;
2175 }
2176
2177 gint folder_item_remove_msg(FolderItem *item, gint num)
2178 {
2179         Folder *folder;
2180         gint ret;
2181         MsgInfo *msginfo;
2182
2183         g_return_val_if_fail(item != NULL, -1);
2184         folder = item->folder;
2185         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
2186
2187         if (!item->cache) folder_item_read_cache(item);
2188
2189         ret = folder->klass->remove_msg(folder, item, num);
2190
2191         msginfo = msgcache_get_msg(item->cache, num);
2192         if (msginfo != NULL) {
2193                 remove_msginfo_from_cache(item, msginfo);
2194                 procmsg_msginfo_free(msginfo);
2195         }
2196         folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2197
2198         return ret;
2199 }
2200
2201 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2202 {
2203         Folder *folder;
2204         gint ret = 0;
2205
2206         g_return_val_if_fail(item != NULL, -1);
2207         folder = item->folder;
2208         g_return_val_if_fail(folder != NULL, -1);
2209
2210         if (!item->cache) folder_item_read_cache(item);
2211
2212         while (msglist != NULL) {
2213                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2214
2215                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2216                 if (ret != 0) break;
2217                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2218                 msglist = msglist->next;
2219         }
2220
2221         return ret;
2222 }
2223
2224 gint folder_item_remove_all_msg(FolderItem *item)
2225 {
2226         Folder *folder;
2227         gint result;
2228
2229         g_return_val_if_fail(item != NULL, -1);
2230
2231         folder = item->folder;
2232
2233         g_return_val_if_fail(folder->klass->remove_all_msg != NULL, -1);
2234
2235         result = folder->klass->remove_all_msg(folder, item);
2236
2237         if (result == 0) {
2238                 if (folder->klass->finished_remove)
2239                         folder->klass->finished_remove(folder, item);
2240
2241                 folder_item_free_cache(item);
2242                 item->cache = msgcache_new();
2243
2244                 item->new_msgs = 0;
2245                 item->unread_msgs = 0;
2246                 item->unreadmarked_msgs = 0;
2247                 item->total_msgs = 0;
2248                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2249         }
2250
2251         return result;
2252 }
2253
2254 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
2255 {
2256         g_return_if_fail(item != NULL);
2257         g_return_if_fail(msginfo != NULL);
2258
2259         if (item->folder->klass->change_flags != NULL) {
2260                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
2261         } else {
2262                 msginfo->flags.perm_flags = newflags;
2263         }
2264 }
2265
2266 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2267 {
2268         Folder *folder;
2269
2270         g_return_val_if_fail(item != NULL, FALSE);
2271
2272         folder = item->folder;
2273
2274         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
2275
2276         return folder->klass->is_msg_changed(folder, item, msginfo);
2277 }
2278
2279 gchar *folder_item_get_cache_file(FolderItem *item)
2280 {
2281         gchar *path;
2282         gchar *file;
2283
2284         g_return_val_if_fail(item != NULL, NULL);
2285         g_return_val_if_fail(item->path != NULL, NULL);
2286
2287         path = folder_item_get_path(item);
2288         g_return_val_if_fail(path != NULL, NULL);
2289         if (!is_dir_exist(path))
2290                 make_dir_hier(path);
2291         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2292         g_free(path);
2293
2294         return file;
2295 }
2296
2297 gchar *folder_item_get_mark_file(FolderItem *item)
2298 {
2299         gchar *path;
2300         gchar *file;
2301
2302         g_return_val_if_fail(item != NULL, NULL);
2303         g_return_val_if_fail(item->path != NULL, NULL);
2304
2305         path = folder_item_get_path(item);
2306         g_return_val_if_fail(path != NULL, NULL);
2307         if (!is_dir_exist(path))
2308                 make_dir_hier(path);
2309         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2310         g_free(path);
2311
2312         return file;
2313 }
2314
2315 static gboolean folder_build_tree(GNode *node, gpointer data)
2316 {
2317         Folder *folder = FOLDER(data);
2318         FolderItem *item;
2319         XMLNode *xmlnode;
2320         GList *list;
2321         SpecialFolderItemType stype = F_NORMAL;
2322         const gchar *name = NULL;
2323         const gchar *path = NULL;
2324         PrefsAccount *account = NULL;
2325         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
2326                  threaded = TRUE, apply_sub = FALSE;
2327         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE,
2328                  thread_collapsed = FALSE; /* CLAWS */
2329         FolderSortKey sort_key = SORT_BY_NONE;
2330         FolderSortType sort_type = SORT_ASCENDING;
2331         gint new = 0, unread = 0, total = 0, unreadmarked = 0;
2332         time_t mtime = 0;
2333
2334         g_return_val_if_fail(node->data != NULL, FALSE);
2335         if (!node->parent) return FALSE;
2336
2337         xmlnode = node->data;
2338         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2339                 g_warning("tag name != \"folderitem\"\n");
2340                 return FALSE;
2341         }
2342
2343         list = xmlnode->tag->attr;
2344         for (; list != NULL; list = list->next) {
2345                 XMLAttr *attr = list->data;
2346
2347                 if (!attr || !attr->name || !attr->value) continue;
2348                 if (!strcmp(attr->name, "type")) {
2349                         if (!strcasecmp(attr->value, "normal"))
2350                                 stype = F_NORMAL;
2351                         else if (!strcasecmp(attr->value, "inbox"))
2352                                 stype = F_INBOX;
2353                         else if (!strcasecmp(attr->value, "outbox"))
2354                                 stype = F_OUTBOX;
2355                         else if (!strcasecmp(attr->value, "draft"))
2356                                 stype = F_DRAFT;
2357                         else if (!strcasecmp(attr->value, "queue"))
2358                                 stype = F_QUEUE;
2359                         else if (!strcasecmp(attr->value, "trash"))
2360                                 stype = F_TRASH;
2361                 } else if (!strcmp(attr->name, "name"))
2362                         name = attr->value;
2363                 else if (!strcmp(attr->name, "path"))
2364                         path = attr->value;
2365                 else if (!strcmp(attr->name, "mtime"))
2366                         mtime = strtoul(attr->value, NULL, 10);
2367                 else if (!strcmp(attr->name, "new"))
2368                         new = atoi(attr->value);
2369                 else if (!strcmp(attr->name, "unread"))
2370                         unread = atoi(attr->value);
2371                 else if (!strcmp(attr->name, "unreadmarked"))
2372                         unreadmarked = atoi(attr->value);
2373                 else if (!strcmp(attr->name, "total"))
2374                         total = atoi(attr->value);
2375                 else if (!strcmp(attr->name, "no_sub"))
2376                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2377                 else if (!strcmp(attr->name, "no_select"))
2378                         no_select = *attr->value == '1' ? TRUE : FALSE;
2379                 else if (!strcmp(attr->name, "collapsed"))
2380                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2381                 else if (!strcmp(attr->name, "thread_collapsed"))
2382                         thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
2383                 else if (!strcmp(attr->name, "threaded"))
2384                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2385                 else if (!strcmp(attr->name, "hidereadmsgs"))
2386                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2387                 else if (!strcmp(attr->name, "reqretrcpt"))
2388                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2389                 else if (!strcmp(attr->name, "sort_key")) {
2390                         if (!strcmp(attr->value, "none"))
2391                                 sort_key = SORT_BY_NONE;
2392                         else if (!strcmp(attr->value, "number"))
2393                                 sort_key = SORT_BY_NUMBER;
2394                         else if (!strcmp(attr->value, "size"))
2395                                 sort_key = SORT_BY_SIZE;
2396                         else if (!strcmp(attr->value, "date"))
2397                                 sort_key = SORT_BY_DATE;
2398                         else if (!strcmp(attr->value, "from"))
2399                                 sort_key = SORT_BY_FROM;
2400                         else if (!strcmp(attr->value, "subject"))
2401                                 sort_key = SORT_BY_SUBJECT;
2402                         else if (!strcmp(attr->value, "score"))
2403                                 sort_key = SORT_BY_SCORE;
2404                         else if (!strcmp(attr->value, "label"))
2405                                 sort_key = SORT_BY_LABEL;
2406                         else if (!strcmp(attr->value, "mark"))
2407                                 sort_key = SORT_BY_MARK;
2408                         else if (!strcmp(attr->value, "unread"))
2409                                 sort_key = SORT_BY_STATUS;
2410                         else if (!strcmp(attr->value, "mime"))
2411                                 sort_key = SORT_BY_MIME;
2412                         else if (!strcmp(attr->value, "to"))
2413                                 sort_key = SORT_BY_TO;
2414                         else if (!strcmp(attr->value, "locked"))
2415                                 sort_key = SORT_BY_LOCKED;
2416                 } else if (!strcmp(attr->name, "sort_type")) {
2417                         if (!strcmp(attr->value, "ascending"))
2418                                 sort_type = SORT_ASCENDING;
2419                         else
2420                                 sort_type = SORT_DESCENDING;
2421                 } else if (!strcmp(attr->name, "account_id")) {
2422                         account = account_find_from_id(atoi(attr->value));
2423                         if (!account) g_warning("account_id: %s not found\n",
2424                                                 attr->value);
2425                 } else if (!strcmp(attr->name, "apply_sub"))
2426                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2427         }
2428
2429         item = folder_item_new(folder, name, path);
2430         item->stype = stype;
2431         item->mtime = mtime;
2432         item->new_msgs = new;
2433         item->unread_msgs = unread;
2434         item->unreadmarked_msgs = unreadmarked;
2435         item->total_msgs = total;
2436         item->no_sub = no_sub;
2437         item->no_select = no_select;
2438         item->collapsed = collapsed;
2439         item->thread_collapsed = thread_collapsed;
2440         item->threaded  = threaded;
2441         item->hide_read_msgs  = hidereadmsgs;
2442         item->ret_rcpt  = ret_rcpt;
2443         item->sort_key  = sort_key;
2444         item->sort_type = sort_type;
2445         item->parent = FOLDER_ITEM(node->parent->data);
2446         item->folder = folder;
2447         switch (stype) {
2448         case F_INBOX:  folder->inbox  = item; break;
2449         case F_OUTBOX: folder->outbox = item; break;
2450         case F_DRAFT:  folder->draft  = item; break;
2451         case F_QUEUE:  folder->queue  = item; break;
2452         case F_TRASH:  folder->trash  = item; break;
2453         default:       break;
2454         }
2455         item->account = account;
2456         item->apply_sub = apply_sub;
2457         folder_item_prefs_read_config(item);
2458
2459         node->data = item;
2460         xml_free_node(xmlnode);
2461
2462         return FALSE;
2463 }
2464
2465 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2466 {
2467         Folder *folder;
2468         XMLNode *xmlnode;
2469         GList *list;
2470         FolderClass *class = NULL;
2471         const gchar *name = NULL;
2472         const gchar *path = NULL;
2473         PrefsAccount *account = NULL;
2474         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2475         gboolean ret_rcpt = FALSE, thread_collapsed = FALSE; /* CLAWS */
2476
2477         if (g_node_depth(node) != 2) return FALSE;
2478         g_return_val_if_fail(node->data != NULL, FALSE);
2479
2480         xmlnode = node->data;
2481         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2482                 g_warning("tag name != \"folder\"\n");
2483                 return TRUE;
2484         }
2485         g_node_unlink(node);
2486         list = xmlnode->tag->attr;
2487         for (; list != NULL; list = list->next) {
2488                 XMLAttr *attr = list->data;
2489
2490                 if (!attr || !attr->name || !attr->value) continue;
2491                 if (!strcmp(attr->name, "type"))
2492                         class = folder_get_class_from_string(attr->value);
2493                 else if (!strcmp(attr->name, "name"))
2494                         name = attr->value;
2495                 else if (!strcmp(attr->name, "path"))
2496                         path = attr->value;
2497                 else if (!strcmp(attr->name, "collapsed"))
2498                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2499                 else if (!strcmp(attr->name, "thread_collapsed"))
2500                         thread_collapsed = *attr->value == '1' ? TRUE : FALSE;
2501                 else if (!strcmp(attr->name, "threaded"))
2502                         threaded = *attr->value == '1' ? TRUE : FALSE;
2503                 else if (!strcmp(attr->name, "account_id")) {
2504                         account = account_find_from_id(atoi(attr->value));
2505                         if (!account) g_warning("account_id: %s not found\n",
2506                                                 attr->value);
2507                 } else if (!strcmp(attr->name, "apply_sub"))
2508                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2509                 else if (!strcmp(attr->name, "reqretrcpt"))
2510                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2511         }
2512
2513         folder = folder_new(class, name, path);
2514         g_return_val_if_fail(folder != NULL, FALSE);
2515         folder->account = account;
2516         if (account != NULL)
2517                 account->folder = REMOTE_FOLDER(folder);
2518         node->data = folder->node->data;
2519         g_node_destroy(folder->node);
2520         folder->node = node;
2521         folder_add(folder);
2522         FOLDER_ITEM(node->data)->collapsed = collapsed;
2523         FOLDER_ITEM(node->data)->thread_collapsed = thread_collapsed;
2524         FOLDER_ITEM(node->data)->threaded  = threaded;
2525         FOLDER_ITEM(node->data)->account   = account;
2526         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2527         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2528
2529         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2530                         folder_build_tree, folder);
2531
2532         return FALSE;
2533 }
2534
2535 static gchar *folder_get_list_path(void)
2536 {
2537         static gchar *filename = NULL;
2538
2539         if (!filename)
2540                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2541                                         FOLDER_LIST, NULL);
2542
2543         return filename;
2544 }
2545
2546 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2547 {                                                       \
2548         fputs(" " attr "=\"", fp);                      \
2549         xml_file_put_escape_str(fp, str);               \
2550         fputs("\"", fp);                                \
2551 }
2552
2553 static void folder_write_list_recursive(GNode *node, gpointer data)
2554 {
2555         FILE *fp = (FILE *)data;
2556         FolderItem *item;
2557         gint i, depth;
2558         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2559                                                  "draft", "queue", "trash"};
2560         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2561                                         "from", "subject", "score", "label",
2562                                         "mark", "unread", "mime", "to",
2563                                         "locked"};
2564         g_return_if_fail(node != NULL);
2565         g_return_if_fail(fp != NULL);
2566
2567         item = FOLDER_ITEM(node->data);
2568         g_return_if_fail(item != NULL);
2569
2570         depth = g_node_depth(node);
2571         for (i = 0; i < depth; i++)
2572                 fputs("    ", fp);
2573         if (depth == 1) {
2574                 Folder *folder = item->folder;
2575
2576                 fprintf(fp, "<folder type=\"%s\"", folder->klass->idstr);
2577                 if (folder->name)
2578                         PUT_ESCAPE_STR(fp, "name", folder->name);
2579                 if (FOLDER_TYPE(folder) == F_MH || FOLDER_TYPE(folder) == F_MBOX || FOLDER_TYPE(folder) == F_MAILDIR)
2580                         PUT_ESCAPE_STR(fp, "path",
2581                                        LOCAL_FOLDER(folder)->rootpath);
2582                 if (item->collapsed && node->children)
2583                         fputs(" collapsed=\"1\"", fp);
2584                 if (folder->account)
2585                         fprintf(fp, " account_id=\"%d\"",
2586                                 folder->account->account_id);
2587                 if (item->apply_sub)
2588                         fputs(" apply_sub=\"1\"", fp);
2589                 if (item->ret_rcpt)
2590                         fputs(" reqretrcpt=\"1\"", fp);
2591         } else {
2592                 fprintf(fp, "<folderitem type=\"%s\"",
2593                         folder_item_stype_str[item->stype]);
2594                 if (item->name)
2595                         PUT_ESCAPE_STR(fp, "name", item->name);
2596                 if (item->path)
2597                         PUT_ESCAPE_STR(fp, "path", item->path);
2598
2599                 if (item->no_sub)
2600                         fputs(" no_sub=\"1\"", fp);
2601                 if (item->no_select)
2602                         fputs(" no_select=\"1\"", fp);
2603                 if (item->collapsed && node->children)
2604                         fputs(" collapsed=\"1\"", fp);
2605                 else
2606                         fputs(" collapsed=\"0\"", fp);
2607                 if (item->thread_collapsed)
2608                         fputs(" thread_collapsed=\"1\"", fp);
2609                 else
2610                         fputs(" thread_collapsed=\"0\"", fp);
2611                 if (item->threaded)
2612                         fputs(" threaded=\"1\"", fp);
2613                 else
2614                         fputs(" threaded=\"0\"", fp);
2615                 if (item->hide_read_msgs)
2616                         fputs(" hidereadmsgs=\"1\"", fp);
2617                 else
2618                         fputs(" hidereadmsgs=\"0\"", fp);
2619                 if (item->ret_rcpt)
2620                         fputs(" reqretrcpt=\"1\"", fp);
2621
2622                 if (item->sort_key != SORT_BY_NONE) {
2623                         fprintf(fp, " sort_key=\"%s\"",
2624                                 sort_key_str[item->sort_key]);
2625                         if (item->sort_type == SORT_ASCENDING)
2626                                 fprintf(fp, " sort_type=\"ascending\"");
2627                         else
2628                                 fprintf(fp, " sort_type=\"descending\"");
2629                 }
2630
2631                 fprintf(fp,
2632                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" unreadmarked=\"%d\" total=\"%d\"",
2633                         item->mtime, item->new_msgs, item->unread_msgs, item->unreadmarked_msgs, item->total_msgs);
2634
2635                 if (item->account)
2636                         fprintf(fp, " account_id=\"%d\"",
2637                                 item->account->account_id);
2638                 if (item->apply_sub)
2639                         fputs(" apply_sub=\"1\"", fp);
2640         }
2641
2642         if (node->children) {
2643                 GNode *child;
2644                 fputs(">\n", fp);
2645
2646                 child = node->children;
2647                 while (child) {
2648                         GNode *cur;
2649
2650                         cur = child;
2651                         child = cur->next;
2652                         folder_write_list_recursive(cur, data);
2653                 }
2654
2655                 for (i = 0; i < depth; i++)
2656                         fputs("    ", fp);
2657                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2658         } else
2659                 fputs(" />\n", fp);
2660 }
2661
2662 static void folder_update_op_count_rec(GNode *node)
2663 {
2664         FolderItem *fitem = FOLDER_ITEM(node->data);
2665
2666         if (g_node_depth(node) > 0) {
2667                 if (fitem->op_count > 0) {
2668                         fitem->op_count = 0;
2669                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
2670                 }
2671                 if (node->children) {
2672                         GNode *child;
2673
2674                         child = node->children;
2675                         while (child) {
2676                                 GNode *cur;
2677
2678                                 cur = child;
2679                                 child = cur->next;
2680                                 folder_update_op_count_rec(cur);
2681                         }
2682                 }
2683         }
2684 }
2685
2686 void folder_update_op_count(void)
2687 {
2688         GList *cur;
2689         Folder *folder;
2690
2691         for (cur = folder_list; cur != NULL; cur = cur->next) {
2692                 folder = cur->data;
2693                 folder_update_op_count_rec(folder->node);
2694         }
2695 }
2696
2697 typedef struct _type_str {
2698         gchar * str;
2699         gint type;
2700 } type_str;
2701
2702
2703 /*
2704 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2705 {
2706         if (item->parent != NULL) {
2707                 gchar * path;
2708                 gchar * id;
2709
2710                 path = folder_item_get_tree_identifier(item->parent);
2711                 if (path == NULL)
2712                         return NULL;
2713
2714                 id = g_strconcat(path, "/", item->name, NULL);
2715                 g_free(path);
2716
2717                 return id;
2718         }
2719         else {
2720                 return g_strconcat("/", item->name, NULL);
2721         }
2722 }
2723 */
2724
2725 /* CLAWS: temporary local folder for filtering */
2726 #define TEMP_FOLDER "TEMP_FOLDER"
2727 #define PROCESSING_FOLDER_ITEM "processing"
2728
2729 static FolderItem *processing_folder_item;
2730
2731 static void folder_create_processing_folder(void)
2732 {
2733         Folder *processing_folder;
2734         gchar      *tmpname;
2735
2736         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
2737                 gchar *tmppath;
2738
2739                 tmppath =
2740                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2741                                 "tempfolder", NULL);
2742                 processing_folder =
2743                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
2744                 g_free(tmppath);
2745         }
2746         g_assert(processing_folder != NULL);
2747
2748         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
2749         if (LOCAL_FOLDER(processing_folder)->rootpath[0] == '/')
2750                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
2751                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
2752                                       NULL);
2753         else
2754                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2755                                       LOCAL_FOLDER(processing_folder)->rootpath,
2756                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
2757                                       NULL);
2758
2759         if (!is_dir_exist(tmpname)) {
2760                 debug_print("*TMP* creating %s\n", tmpname);
2761                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
2762                                                                                  processing_folder->node->data,
2763                                                                                  PROCESSING_FOLDER_ITEM);
2764         } else {
2765                 debug_print("*TMP* already created\n");
2766                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
2767                 g_assert(processing_folder_item);
2768                 folder_item_append(processing_folder->node->data, processing_folder_item);
2769         }
2770         g_assert(processing_folder_item != NULL);
2771         g_free(tmpname);
2772 }
2773
2774 FolderItem *folder_get_default_processing(void)
2775 {
2776         if (!processing_folder_item) {
2777                 folder_create_processing_folder();
2778         }
2779         return processing_folder_item;
2780 }
2781
2782 /* folder_persist_prefs_new() - return hash table with persistent
2783  * settings (and folder name as key).
2784  * (note that in claws other options are in the folder_item_prefs_RC
2785  * file, so those don't need to be included in PersistPref yet)
2786  */
2787 GHashTable *folder_persist_prefs_new(Folder *folder)
2788 {
2789         GHashTable *pptable;
2790
2791         g_return_val_if_fail(folder, NULL);
2792         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2793         folder_get_persist_prefs_recursive(folder->node, pptable);
2794         return pptable;
2795 }
2796
2797 void folder_persist_prefs_free(GHashTable *pptable)
2798 {
2799         g_return_if_fail(pptable);
2800         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2801         g_hash_table_destroy(pptable);
2802 }
2803
2804 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2805 {
2806         if (pptable == NULL || name == NULL) return NULL;
2807         return g_hash_table_lookup(pptable, name);
2808 }
2809
2810 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2811 {
2812         const PersistPrefs *pp;
2813         gchar *id = folder_item_get_identifier(item);
2814
2815         pp = folder_get_persist_prefs(pptable, id);
2816         g_free(id);
2817
2818         if (!pp) return;
2819
2820         /* CLAWS: since not all folder properties have been migrated to
2821          * folderlist.xml, we need to call the old stuff first before
2822          * setting things that apply both to Main and Claws. */
2823         folder_item_prefs_read_config(item);
2824
2825         item->collapsed = pp->collapsed;
2826         item->thread_collapsed = pp->thread_collapsed;
2827         item->threaded  = pp->threaded;
2828         item->ret_rcpt  = pp->ret_rcpt;
2829         item->hide_read_msgs = pp->hide_read_msgs;
2830         item->sort_key  = pp->sort_key;
2831         item->sort_type = pp->sort_type;
2832 }
2833
2834 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2835 {
2836         FolderItem *item = FOLDER_ITEM(node->data);
2837         PersistPrefs *pp;
2838         GNode *child, *cur;
2839         gchar *id;
2840
2841         g_return_if_fail(node != NULL);
2842         g_return_if_fail(item != NULL);
2843
2844         /* NOTE: item->path == NULL means top level folder; not interesting
2845          * to store preferences of that one.  */
2846         if (item->path) {
2847                 id = folder_item_get_identifier(item);
2848                 pp = g_new0(PersistPrefs, 1);
2849                 g_return_if_fail(pp != NULL);
2850                 pp->collapsed = item->collapsed;
2851                 pp->thread_collapsed = item->thread_collapsed;
2852                 pp->threaded  = item->threaded;
2853                 pp->ret_rcpt  = item->ret_rcpt;
2854                 pp->hide_read_msgs = item->hide_read_msgs;
2855                 pp->sort_key  = item->sort_key;
2856                 pp->sort_type = item->sort_type;
2857                 g_hash_table_insert(pptable, id, pp);
2858         }
2859
2860         if (node->children) {
2861                 child = node->children;
2862                 while (child) {
2863                         cur = child;
2864                         child = cur->next;
2865                         folder_get_persist_prefs_recursive(cur, pptable);
2866                 }
2867         }
2868 }
2869
2870 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2871 {
2872         if (key)
2873                 g_free(key);
2874         if (val)
2875                 g_free(val);
2876         return TRUE;
2877 }
2878
2879 void folder_item_apply_processing(FolderItem *item)
2880 {
2881         GSList *processing_list;
2882         GSList *mlist, *cur;
2883
2884         g_return_if_fail(item != NULL);
2885
2886         processing_list = item->prefs->processing;
2887         if (processing_list == NULL)
2888                 return;
2889
2890         folder_item_update_freeze();
2891
2892         mlist = folder_item_get_msg_list(item);
2893         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2894                 MsgInfo * msginfo;
2895
2896                 msginfo = (MsgInfo *) cur->data;
2897                 filter_message_by_msginfo(processing_list, msginfo);
2898                 procmsg_msginfo_free(msginfo);
2899         }
2900         g_slist_free(mlist);
2901
2902         folder_item_update_thaw();
2903 }
2904
2905 /*
2906  *  functions for handling FolderItem content changes
2907  */
2908 static gint folder_item_update_freeze_cnt = 0;
2909
2910 /**
2911  * Notify the folder system about changes to a folder. If the
2912  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
2913  * be invoked, otherwise the changes will be remebered until
2914  * the folder system is thawed.
2915  *
2916  * \param item The FolderItem that was changed
2917  * \param update_flags Type of changed that was made
2918  */
2919 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
2920 {
2921         if (folder_item_update_freeze_cnt == 0) {
2922                 FolderItemUpdateData source;
2923
2924                 source.item = item;
2925                 source.update_flags = update_flags;
2926                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2927         } else {
2928                 item->update_flags |= update_flags;
2929         }
2930 }
2931
2932 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
2933 {
2934         GNode *node = item->folder->node;
2935
2936         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2937         node = node->children;
2938
2939         folder_item_update(item, update_flags);
2940         while (node != NULL) {
2941                 if (node && node->data) {
2942                         FolderItem *next_item = (FolderItem*) node->data;
2943
2944                         folder_item_update(next_item, update_flags);
2945                 }
2946                 node = node->next;
2947         }
2948 }
2949
2950 void folder_item_update_freeze(void)
2951 {
2952         folder_item_update_freeze_cnt++;
2953 }
2954
2955 static void folder_item_update_func(FolderItem *item, gpointer data)
2956 {
2957         FolderItemUpdateData source;
2958
2959         if (item->update_flags) {
2960                 source.item = item;
2961                 source.update_flags = item->update_flags;
2962                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2963                 item->update_flags = 0;
2964         }
2965 }
2966
2967 void folder_item_update_thaw(void)
2968 {
2969         if (folder_item_update_freeze_cnt > 0)
2970                 folder_item_update_freeze_cnt--;
2971         if (folder_item_update_freeze_cnt == 0) {
2972                 /* Update all folders */
2973                 folder_func_to_all_folders(folder_item_update_func, NULL);
2974         }
2975 }
2976
2977 #undef PUT_ESCAPE_STR