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 "prefs_folder_item.h"
  49 #include "procheader.h"
  50 #include "hooks.h"
  51 #include "log.h"
  52
  53 /* Dependecies to be removed ?! */
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_folder_item.h"
  57
  58 static GList *folder_list = NULL;
  59
  60 static void folder_init         (Folder         *folder,
  61                                  const gchar    *name);
  62
  63 static gboolean folder_read_folder_func (GNode          *node,
  64                                          gpointer        data);
  65 static gchar *folder_get_list_path      (void);
  66 static void folder_write_list_recursive (GNode          *node,
  67                                          gpointer        data);
  68 static void folder_update_op_count_rec  (GNode          *node);
  69
  70
  71 static void folder_get_persist_prefs_recursive
  72                                         (GNode *node, GHashTable *pptable);
  73 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  74 void folder_item_read_cache             (FolderItem *item);
  75 void folder_item_free_cache             (FolderItem *item);
  76
  77 static GSList *classlist;
  78
  79 void folder_system_init()
  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()
  88 {
  89         return classlist;
  90 }
  91
  92 void folder_register_class(FolderClass *class)
  93 {
  94         debug_print("registering folder class %s\n", class->idstr);
  95         classlist = g_slist_append(classlist, class);
  96 }
  97
  98 Folder *folder_new(FolderClass *class, const gchar *name, const gchar *path)
  99 {
 100         Folder *folder = NULL;
 101         FolderItem *item;
 102
 103         g_return_val_if_fail(class != NULL, NULL);
 104
 105         name = name ? name : path;
 106         folder = class->new(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->class->destroy != NULL);
 150
 151         folder_list = g_list_remove(folder_list, folder);
 152
 153         folder_tree_destroy(folder);
 154         g_free(folder->name);
 155         g_free(folder);
 156
 157         folder->class->destroy(folder);
 158 }
 159
 160 void folder_local_folder_destroy(LocalFolder *lfolder)
 161 {
 162         g_return_if_fail(lfolder != NULL);
 163
 164         g_free(lfolder->rootpath);
 165 }
 166
 167 void folder_remote_folder_destroy(RemoteFolder *rfolder)
 168 {
 169         g_return_if_fail(rfolder != NULL);
 170
 171         if (rfolder->session)
 172                 session_destroy(rfolder->session);
 173 }
 174
 175 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 176 {
 177         FolderItem *item = NULL;
 178
 179         if (folder->class->item_new) {
 180                 item = folder->class->item_new(folder);
 181         } else {
 182                 item = g_new0(FolderItem, 1);
 183         }
 184
 185         g_return_val_if_fail(item != NULL, NULL);
 186
 187         item->stype = F_NORMAL;
 188         item->name = g_strdup(name);
 189         item->path = g_strdup(path);
 190         item->mtime = 0;
 191         item->new = 0;
 192         item->unread = 0;
 193         item->unreadmarked = 0;
 194         item->total = 0;
 195         item->last_num = -1;
 196         item->cache = NULL;
 197         item->no_sub = FALSE;
 198         item->no_select = FALSE;
 199         item->collapsed = FALSE;
 200         item->thread_collapsed = FALSE;
 201         item->threaded  = TRUE;
 202         item->ret_rcpt  = FALSE;
 203         item->opened    = FALSE;
 204         item->parent = NULL;
 205         item->folder = NULL;
 206         item->account = NULL;
 207         item->apply_sub = FALSE;
 208         item->mark_queue = NULL;
 209         item->data = NULL;
 210
 211         item->prefs = prefs_folder_item_new();
 212
 213         return item;
 214 }
 215
 216 void folder_item_append(FolderItem *parent, FolderItem *item)
 217 {
 218         GNode *node;
 219
 220         g_return_if_fail(parent != NULL);
 221         g_return_if_fail(parent->folder != NULL);
 222         g_return_if_fail(item != NULL);
 223
 224         node = parent->folder->node;
 225         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 226         g_return_if_fail(node != NULL);
 227
 228         item->parent = parent;
 229         item->folder = parent->folder;
 230         g_node_append_data(node, item);
 231 }
 232
 233 void folder_item_remove(FolderItem *item)
 234 {
 235         GNode *node;
 236
 237         g_return_if_fail(item != NULL);
 238         g_return_if_fail(item->folder != NULL);
 239
 240         node = item->folder->node;
 241         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 242         g_return_if_fail(node != NULL);
 243
 244         /* TODO: free all FolderItem's first */
 245         if (item->folder->node == node)
 246                 item->folder->node = NULL;
 247         g_node_destroy(node);
 248 }
 249
 250 void folder_item_destroy(FolderItem *item)
 251 {
 252         g_return_if_fail(item != NULL);
 253
 254         debug_print("Destroying folder item %s\n", item->path);
 255
 256         if (item->cache)
 257                 folder_item_free_cache(item);
 258         g_free(item->name);
 259         g_free(item->path);
 260
 261         if (item->folder != NULL) {
 262                 if(item->folder->class->item_destroy) {
 263                         item->folder->class->item_destroy(item->folder, item);
 264                 } else {
 265                         g_free(item);
 266                 }
 267         }
 268 }
 269
 270 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 271 {
 272         g_return_if_fail(folder != NULL);
 273
 274         folder->ui_func = func;
 275         folder->ui_func_data = data;
 276 }
 277
 278 void folder_set_name(Folder *folder, const gchar *name)
 279 {
 280         g_return_if_fail(folder != NULL);
 281
 282         g_free(folder->name);
 283         folder->name = name ? g_strdup(name) : NULL;
 284         if (folder->node && folder->node->data) {
 285                 FolderItem *item = (FolderItem *)folder->node->data;
 286
 287                 g_free(item->name);
 288                 item->name = name ? g_strdup(name) : NULL;
 289         }
 290 }
 291
 292 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 293         FolderItem *item = (FolderItem *) node->data;
 294
 295         folder_item_destroy(item);
 296         return FALSE;
 297 }
 298
 299 void folder_tree_destroy(Folder *folder)
 300 {
 301         g_return_if_fail(folder != NULL);
 302         g_return_if_fail(folder->node != NULL);
 303
 304         prefs_scoring_clear();
 305         prefs_filtering_clear();
 306
 307         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 308         if (folder->node)
 309                 g_node_destroy(folder->node);
 310
 311         folder->inbox = NULL;
 312         folder->outbox = NULL;
 313         folder->draft = NULL;
 314         folder->queue = NULL;
 315         folder->trash = NULL;
 316         folder->node = NULL;
 317 }
 318
 319 void folder_add(Folder *folder)
 320 {
 321         Folder *cur_folder;
 322         GList *cur;
 323         gint i;
 324
 325         g_return_if_fail(folder != NULL);
 326
 327         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 328                 cur_folder = FOLDER(cur->data);
 329                 if (FOLDER_TYPE(folder) == F_MH) {
 330                         if (FOLDER_TYPE(cur_folder) != F_MH) break;
 331                 } else if (FOLDER_TYPE(folder) == F_MBOX) {
 332                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 333                             FOLDER_TYPE(cur_folder) != F_MBOX) break;
 334                 } else if (FOLDER_TYPE(folder) == F_IMAP) {
 335                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 336                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 337                             FOLDER_TYPE(cur_folder) != F_IMAP) break;
 338                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
 339                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 340                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 341                             FOLDER_TYPE(cur_folder) != F_IMAP &&
 342                             FOLDER_TYPE(cur_folder) != F_NEWS) break;
 343                 }
 344         }
 345
 346         folder_list = g_list_insert(folder_list, folder, i);
 347 }
 348
 349 GList *folder_get_list(void)
 350 {
 351         return folder_list;
 352 }
 353
 354 gint folder_read_list(void)
 355 {
 356         GNode *node;
 357         XMLNode *xmlnode;
 358         gchar *path;
 359
 360         path = folder_get_list_path();
 361         if (!is_file_exist(path)) return -1;
 362         node = xml_parse_file(path);
 363         if (!node) return -1;
 364
 365         xmlnode = node->data;
 366         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 367                 g_warning("wrong folder list\n");
 368                 xml_free_tree(node);
 369                 return -1;
 370         }
 371
 372         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 373                         folder_read_folder_func, NULL);
 374
 375         xml_free_tree(node);
 376         if (folder_list)
 377                 return 0;
 378         else
 379                 return -1;
 380 }
 381
 382 void folder_write_list(void)
 383 {
 384         GList *list;
 385         Folder *folder;
 386         gchar *path;
 387         PrefFile *pfile;
 388
 389         path = folder_get_list_path();
 390         if ((pfile = prefs_write_open(path)) == NULL) return;
 391
 392         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 393                 conv_get_current_charset_str());
 394         fputs("\n<folderlist>\n", pfile->fp);
 395
 396         for (list = folder_list; list != NULL; list = list->next) {
 397                 folder = list->data;
 398                 folder_write_list_recursive(folder->node, pfile->fp);
 399         }
 400
 401         fputs("</folderlist>\n", pfile->fp);
 402
 403         if (prefs_file_close(pfile) < 0)
 404                 g_warning("failed to write folder list.\n");
 405 }
 406
 407 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 408 {
 409         GHashTable *pptable = (GHashTable *)data;
 410         FolderItem *item = (FolderItem *)node->data;
 411
 412         folder_item_restore_persist_prefs(item, pptable);
 413
 414         return FALSE;
 415 }
 416
 417 void folder_scan_tree(Folder *folder)
 418 {
 419         GHashTable *pptable;
 420
 421         if (!folder->class->scan_tree)
 422                 return;
 423
 424         pptable = folder_persist_prefs_new(folder);
 425         folder_tree_destroy(folder);
 426
 427         folder->class->scan_tree(folder);
 428
 429         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 430         folder_persist_prefs_free(pptable);
 431
 432         prefs_matcher_read_config();
 433
 434         folder_write_list();
 435 }
 436
 437 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 438 {
 439         FolderItem *new_item;
 440
 441         new_item = parent->folder->class->create_folder(parent->folder, parent, name);
 442         if (new_item)
 443                 new_item->cache = msgcache_new();
 444
 445         return new_item;
 446 }
 447
 448 struct TotalMsgCount
 449 {
 450         guint new;
 451         guint unread;
 452         guint unreadmarked;
 453         guint total;
 454 };
 455
 456 struct FuncToAllFoldersData
 457 {
 458         FolderItemFunc  function;
 459         gpointer        data;
 460 };
 461
 462 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 463 {
 464         FolderItem *item;
 465         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 466
 467         g_return_val_if_fail(node->data != NULL, FALSE);
 468
 469         item = FOLDER_ITEM(node->data);
 470         g_return_val_if_fail(item != NULL, FALSE);
 471
 472         function_data->function(item, function_data->data);
 473
 474         return FALSE;
 475 }
 476
 477 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 478 {
 479         GList *list;
 480         Folder *folder;
 481         struct FuncToAllFoldersData function_data;
 482
 483         function_data.function = function;
 484         function_data.data = data;
 485
 486         for (list = folder_list; list != NULL; list = list->next) {
 487                 folder = FOLDER(list->data);
 488                 if (folder->node)
 489                         g_node_traverse(folder->node, G_PRE_ORDER,
 490                                         G_TRAVERSE_ALL, -1,
 491                                         folder_func_to_all_folders_func,
 492                                         &function_data);
 493         }
 494 }
 495
 496 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 497 {
 498         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 499
 500         count->new += item->new;
 501         count->unread += item->unread;
 502         count->unreadmarked += item->unreadmarked;
 503         count->total += item->total;
 504 }
 505
 506 void folder_count_total_msgs(guint *new, guint *unread, guint *unreadmarked, guint *total)
 507 {
 508         struct TotalMsgCount count;
 509
 510         count.new = count.unread = count.unreadmarked = count.total = 0;
 511
 512         debug_print("Counting total number of messages...\n");
 513
 514         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 515
 516         *new = count.new;
 517         *unread = count.unread;
 518         *unreadmarked = count.unreadmarked;
 519         *total = count.total;
 520 }
 521
 522 Folder *folder_find_from_path(const gchar *path)
 523 {
 524         GList *list;
 525         Folder *folder;
 526
 527         for (list = folder_list; list != NULL; list = list->next) {
 528                 folder = list->data;
 529                 if ((FOLDER_TYPE(folder) == F_MH || FOLDER_TYPE(folder) == F_MBOX) &&
 530                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 531                         return folder;
 532         }
 533
 534         return NULL;
 535 }
 536
 537 Folder *folder_find_from_name(const gchar *name, FolderClass *class)
 538 {
 539         GList *list;
 540         Folder *folder;
 541
 542         for (list = folder_list; list != NULL; list = list->next) {
 543                 folder = list->data;
 544                 if (folder->class == class && strcmp2(name, folder->name) == 0)
 545                         return folder;
 546         }
 547
 548         return NULL;
 549 }
 550
 551 static gboolean folder_item_find_func(GNode *node, gpointer data)
 552 {
 553         FolderItem *item = node->data;
 554         gpointer *d = data;
 555         const gchar *path = d[0];
 556
 557         if (path_cmp(path, item->path) != 0)
 558                 return FALSE;
 559
 560         d[1] = item;
 561
 562         return TRUE;
 563 }
 564
 565 FolderItem *folder_find_item_from_path(const gchar *path)
 566 {
 567         Folder *folder;
 568         gpointer d[2];
 569
 570         folder = folder_get_default_folder();
 571         g_return_val_if_fail(folder != NULL, NULL);
 572
 573         d[0] = (gpointer)path;
 574         d[1] = NULL;
 575         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 576                         folder_item_find_func, d);
 577         return d[1];
 578 }
 579
 580 FolderClass *folder_get_class_from_string(const gchar *str)
 581 {
 582         GSList *classlist;
 583
 584         classlist = folder_get_class_list();
 585         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
 586                 FolderClass *class = (FolderClass *) classlist->data;
 587                 if (g_strcasecmp(class->idstr, str) == 0)
 588                         return class;
 589         }
 590
 591         return NULL;
 592 }
 593
 594 gchar *folder_get_identifier(Folder *folder)
 595 {
 596         gchar *type_str;
 597
 598         g_return_val_if_fail(folder != NULL, NULL);
 599
 600         type_str = folder->class->idstr;
 601         return g_strconcat("#", type_str, "/", folder->name, NULL);
 602 }
 603
 604 gchar *folder_item_get_identifier(FolderItem *item)
 605 {
 606         gchar *id;
 607         gchar *folder_id;
 608
 609         g_return_val_if_fail(item != NULL, NULL);
 610         g_return_val_if_fail(item->path != NULL, NULL);
 611
 612         folder_id = folder_get_identifier(item->folder);
 613         id = g_strconcat(folder_id, "/", item->path, NULL);
 614         g_free(folder_id);
 615
 616         return id;
 617 }
 618
 619 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 620 {
 621         Folder *folder;
 622         gpointer d[2];
 623         gchar *str;
 624         gchar *p;
 625         gchar *name;
 626         gchar *path;
 627         FolderClass *class;
 628
 629         g_return_val_if_fail(identifier != NULL, NULL);
 630
 631         if (*identifier != '#')
 632                 return folder_find_item_from_path(identifier);
 633
 634         Xstrdup_a(str, identifier, return NULL);
 635
 636         p = strchr(str, '/');
 637         if (!p)
 638                 return folder_find_item_from_path(identifier);
 639         *p = '\0';
 640         p++;
 641         class = folder_get_class_from_string(&str[1]);
 642         if (class == NULL)
 643                 return folder_find_item_from_path(identifier);
 644
 645         name = p;
 646         p = strchr(p, '/');
 647         if (!p)
 648                 return folder_find_item_from_path(identifier);
 649         *p = '\0';
 650         p++;
 651
 652         folder = folder_find_from_name(name, class);
 653         if (!folder)
 654                 return folder_find_item_from_path(identifier);
 655
 656         path = p;
 657
 658         d[0] = (gpointer)path;
 659         d[1] = NULL;
 660         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 661                         folder_item_find_func, d);
 662         return d[1];
 663 }
 664
 665 /**
 666  * Get a displayable name for a FolderItem
 667  *
 668  * \param item FolderItem for that a name should be created
 669  * \return Displayable name for item, returned string has to
 670  *         be freed
 671  */
 672 gchar *folder_item_get_name(FolderItem *item)
 673 {
 674         gchar *name = NULL;
 675
 676         switch (item->stype) {
 677         case F_INBOX:
 678                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
 679                                 !strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
 680                                 item->name);
 681                 break;
 682         case F_OUTBOX:
 683                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
 684                                 !strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
 685                                 item->name);
 686                 break;
 687         case F_QUEUE:
 688                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
 689                                 !strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
 690                                 item->name);
 691                 break;
 692         case F_TRASH:
 693                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
 694                                 !strcmp2(item->name, TRASH_DIR) ? _("Trash") :
 695                                 item->name);
 696                 break;
 697         case F_DRAFT:
 698                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
 699                                 !strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
 700                                 item->name);
 701                 break;
 702         default:
 703                 break;
 704         }
 705
 706         if (name == NULL) {
 707                 /*
 708                  * should probably be done by a virtual function,
 709                  * the folder knows the ui string and how to abbrev
 710                 */
 711                 if (!item->parent) {
 712                         name = g_strconcat(item->name, " (", item->folder->class->uistr, ")", NULL);
 713                 } else {
 714                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
 715                             item->path && !strcmp2(item->name, item->path))
 716                                 name = get_abbrev_newsgroup_name
 717                                         (item->path,
 718                                          prefs_common.ng_abbrev_len);
 719                         else
 720                                 name = g_strdup(item->name);
 721                 }
 722         }
 723
 724         if (name == NULL)
 725                 name = g_strdup("");
 726
 727         return name;
 728 }
 729
 730 Folder *folder_get_default_folder(void)
 731 {
 732         return folder_list ? FOLDER(folder_list->data) : NULL;
 733 }
 734
 735 FolderItem *folder_get_default_inbox(void)
 736 {
 737         Folder *folder;
 738
 739         if (!folder_list) return NULL;
 740         folder = FOLDER(folder_list->data);
 741         g_return_val_if_fail(folder != NULL, NULL);
 742         return folder->inbox;
 743 }
 744
 745 FolderItem *folder_get_default_outbox(void)
 746 {
 747         Folder *folder;
 748
 749         if (!folder_list) return NULL;
 750         folder = FOLDER(folder_list->data);
 751         g_return_val_if_fail(folder != NULL, NULL);
 752         return folder->outbox;
 753 }
 754
 755 FolderItem *folder_get_default_draft(void)
 756 {
 757         Folder *folder;
 758
 759         if (!folder_list) return NULL;
 760         folder = FOLDER(folder_list->data);
 761         g_return_val_if_fail(folder != NULL, NULL);
 762         return folder->draft;
 763 }
 764
 765 FolderItem *folder_get_default_queue(void)
 766 {
 767         Folder *folder;
 768
 769         if (!folder_list) return NULL;
 770         folder = FOLDER(folder_list->data);
 771         g_return_val_if_fail(folder != NULL, NULL);
 772         return folder->queue;
 773 }
 774
 775 FolderItem *folder_get_default_trash(void)
 776 {
 777         Folder *folder;
 778
 779         if (!folder_list) return NULL;
 780         folder = FOLDER(folder_list->data);
 781         g_return_val_if_fail(folder != NULL, NULL);
 782         return folder->trash;
 783 }
 784
 785 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 786 {                                                               \
 787         if (!folder->member) {                                  \
 788                 item = folder_item_new(folder, dir, dir);       \
 789                 item->stype = type;                             \
 790                 folder_item_append(rootitem, item);             \
 791                 folder->member = item;                          \
 792         }                                                       \
 793 }
 794
 795 void folder_set_missing_folders(void)
 796 {
 797         Folder *folder;
 798         FolderItem *rootitem;
 799         FolderItem *item;
 800         GList *list;
 801
 802         for (list = folder_list; list != NULL; list = list->next) {
 803                 folder = list->data;
 804                 if (FOLDER_TYPE(folder) != F_MH) continue;
 805                 rootitem = FOLDER_ITEM(folder->node->data);
 806                 g_return_if_fail(rootitem != NULL);
 807
 808                 if (folder->inbox && folder->outbox && folder->draft &&
 809                     folder->queue && folder->trash)
 810                         continue;
 811
 812                 if (folder->class->create_tree(folder) < 0) {
 813                         g_warning("%s: can't create the folder tree.\n",
 814                                   LOCAL_FOLDER(folder)->rootpath);
 815                         continue;
 816                 }
 817
 818                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 819                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 820                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 821                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 822                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 823         }
 824 }
 825
 826 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 827 {
 828         FolderItem *item = node->data;
 829         PrefsAccount *account = data;
 830
 831         if (item->account == account)
 832                 item->account = NULL;
 833
 834         return FALSE;
 835 }
 836
 837 void folder_unref_account_all(PrefsAccount *account)
 838 {
 839         Folder *folder;
 840         GList *list;
 841
 842         if (!account) return;
 843
 844         for (list = folder_list; list != NULL; list = list->next) {
 845                 folder = list->data;
 846                 if (folder->account == account)
 847                         folder->account = NULL;
 848                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 849                                 folder_unref_account_func, account);
 850         }
 851 }
 852
 853 #undef CREATE_FOLDER_IF_NOT_EXIST
 854
 855 gchar *folder_get_path(Folder *folder)
 856 {
 857         gchar *path;
 858
 859         g_return_val_if_fail(folder != NULL, NULL);
 860
 861         switch(FOLDER_TYPE(folder)) {
 862
 863                 case F_MH:
 864                         path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 865                         break;
 866
 867                 case F_IMAP:
 868                         g_return_val_if_fail(folder->account != NULL, NULL);
 869                         path = g_strconcat(get_imap_cache_dir(),
 870                                            G_DIR_SEPARATOR_S,
 871                                            folder->account->recv_server,
 872                                            G_DIR_SEPARATOR_S,
 873                                            folder->account->userid,
 874                                            NULL);
 875                         break;
 876
 877                 case F_NEWS:
 878                         g_return_val_if_fail(folder->account != NULL, NULL);
 879                         path = g_strconcat(get_news_cache_dir(),
 880                                            G_DIR_SEPARATOR_S,
 881                                            folder->account->nntp_server,
 882                                            NULL);
 883                         break;
 884
 885                 default:
 886                         path = NULL;
 887                         break;
 888         }
 889
 890         return path;
 891 }
 892
 893 gchar *folder_item_get_path(FolderItem *item)
 894 {
 895         gchar *folder_path;
 896         gchar *path;
 897
 898         g_return_val_if_fail(item != NULL, NULL);
 899
 900         if(FOLDER_TYPE(item->folder) != F_MBOX) {
 901                 folder_path = folder_get_path(item->folder);
 902                 g_return_val_if_fail(folder_path != NULL, NULL);
 903
 904                 if (folder_path[0] == G_DIR_SEPARATOR) {
 905                         if (item->path)
 906                                 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 907                                                    item->path, NULL);
 908                         else
 909                                 path = g_strdup(folder_path);
 910                 } else {
 911                         if (item->path)
 912                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 913                                                    folder_path, G_DIR_SEPARATOR_S,
 914                                                    item->path, NULL);
 915                         else
 916                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 917                                                    folder_path, NULL);
 918                 }
 919
 920                 g_free(folder_path);
 921         } else {
 922                 gchar *itempath;
 923
 924                 itempath = mbox_get_virtual_path(item);
 925                 if (itempath == NULL)
 926                         return NULL;
 927                 path = g_strconcat(get_mbox_cache_dir(),
 928                                           G_DIR_SEPARATOR_S, itempath, NULL);
 929                 g_free(itempath);
 930         }
 931         return path;
 932 }
 933
 934 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 935 {
 936         if (!(dest->stype == F_OUTBOX ||
 937               dest->stype == F_QUEUE  ||
 938               dest->stype == F_DRAFT  ||
 939               dest->stype == F_TRASH)) {
 940                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 941         } else {
 942                 flags->perm_flags = 0;
 943         }
 944         flags->tmp_flags = MSG_CACHED;
 945         if (FOLDER_TYPE(dest->folder) == F_MH) {
 946                 if (dest->stype == F_QUEUE) {
 947                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 948                 } else if (dest->stype == F_DRAFT) {
 949                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 950                 }
 951         }
 952 }
 953
 954 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 955 {
 956         MsgInfo *msginfo_a = (MsgInfo *) a;
 957         MsgInfo *msginfo_b = (MsgInfo *) b;
 958
 959         return (msginfo_a->msgnum - msginfo_b->msgnum);
 960 }
 961
 962 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 963 {
 964         guint gint_a = GPOINTER_TO_INT(a);
 965         guint gint_b = GPOINTER_TO_INT(b);
 966
 967         return (gint_a - gint_b);
 968 }
 969
 970 gint folder_item_open(FolderItem *item)
 971 {
 972         if(((FOLDER_TYPE(item->folder) == F_IMAP) && !item->no_select) || (FOLDER_TYPE(item->folder) == F_NEWS)) {
 973                 folder_item_scan(item);
 974         }
 975
 976         /* Processing */
 977         if(item->prefs->processing != NULL) {
 978                 gchar *buf;
 979
 980                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
 981                 debug_print("%s\n", buf);
 982                 g_free(buf);
 983
 984                 folder_item_apply_processing(item);
 985
 986                 debug_print("done.\n");
 987         }
 988
 989         return 0;
 990 }
 991
 992 void folder_item_close(FolderItem *item)
 993 {
 994         GSList *mlist, *cur;
 995
 996         g_return_if_fail(item != NULL);
 997
 998         if (item->new) {
 999                 mlist = folder_item_get_msg_list(item);
1000                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
1001                         MsgInfo * msginfo;
1002
1003                         msginfo = (MsgInfo *) cur->data;
1004                         if (MSG_IS_NEW(msginfo->flags))
1005                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
1006                         procmsg_msginfo_free(msginfo);
1007                 }
1008                 g_slist_free(mlist);
1009         }
1010
1011         folder_item_write_cache(item);
1012
1013         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
1014 }
1015
1016 gint folder_item_scan(FolderItem *item)
1017 {
1018         Folder *folder;
1019         GSList *folder_list = NULL, *cache_list = NULL;
1020         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
1021         GSList *exists_list = NULL, *elem;
1022         GSList *newmsg_list = NULL;
1023         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1024         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1025         gboolean update_flags = 0;
1026
1027         g_return_val_if_fail(item != NULL, -1);
1028         if (item->path == NULL) return -1;
1029
1030         folder = item->folder;
1031
1032         g_return_val_if_fail(folder != NULL, -1);
1033         g_return_val_if_fail(folder->class->get_num_list != NULL, -1);
1034
1035         debug_print("Scanning folder %s for cache changes.\n", item->path);
1036
1037         /* Get list of messages for folder and cache */
1038         if (folder->class->get_num_list(item->folder, item, &folder_list) < 0) {
1039                 debug_print("Error fetching list of message numbers\n");
1040                 return(-1);
1041         }
1042
1043         if (!folder->class->check_msgnum_validity ||
1044             folder->class->check_msgnum_validity(folder, item)) {
1045                 if (!item->cache)
1046                         folder_item_read_cache(item);
1047                 cache_list = msgcache_get_msg_list(item->cache);
1048         } else {
1049                 if (item->cache)
1050                         msgcache_destroy(item->cache);
1051                 item->cache = msgcache_new();
1052                 cache_list = NULL;
1053         }
1054
1055         /* Sort both lists */
1056         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1057         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1058
1059         cache_list_cur = cache_list;
1060         folder_list_cur = folder_list;
1061
1062         if (cache_list_cur != NULL) {
1063                 GSList *cache_list_last;
1064
1065                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1066                 cache_list_last = g_slist_last(cache_list);
1067                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1068         } else {
1069                 cache_cur_num = G_MAXINT;
1070                 cache_max_num = 0;
1071         }
1072
1073         if (folder_list_cur != NULL) {
1074                 GSList *folder_list_last;
1075
1076                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1077                 folder_list_last = g_slist_last(folder_list);
1078                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1079         } else {
1080                 folder_cur_num = G_MAXINT;
1081                 folder_max_num = 0;
1082         }
1083
1084         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1085                 /*
1086                  *  Message only exists in the folder
1087                  *  Remember message for fetching
1088                  */
1089                 if (folder_cur_num < cache_cur_num) {
1090                         gboolean add = FALSE;
1091
1092                         switch(FOLDER_TYPE(folder)) {
1093                                 case F_NEWS:
1094                                         if (folder_cur_num < cache_max_num)
1095                                                 break;
1096
1097                                         if (folder->account->max_articles == 0) {
1098                                                 add = TRUE;
1099                                         }
1100
1101                                         if (folder_max_num <= folder->account->max_articles) {
1102                                                 add = TRUE;
1103                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1104                                                 add = TRUE;
1105                                         }
1106                                         break;
1107                                 default:
1108                                         add = TRUE;
1109                                         break;
1110                         }
1111
1112                         if (add) {
1113                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1114                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1115                         }
1116
1117                         /* Move to next folder number */
1118                         folder_list_cur = folder_list_cur->next;
1119
1120                         if (folder_list_cur != NULL)
1121                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1122                         else
1123                                 folder_cur_num = G_MAXINT;
1124
1125                         continue;
1126                 }
1127
1128                 /*
1129                  *  Message only exists in the cache
1130                  *  Remove the message from the cache
1131                  */
1132                 if (cache_cur_num < folder_cur_num) {
1133                         msgcache_remove_msg(item->cache, cache_cur_num);
1134                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1135
1136                         /* Move to next cache number */
1137                         cache_list_cur = cache_list_cur->next;
1138
1139                         if (cache_list_cur != NULL)
1140                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1141                         else
1142                                 cache_cur_num = G_MAXINT;
1143
1144                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1145
1146                         continue;
1147                 }
1148
1149                 /*
1150                  *  Message number exists in folder and cache!
1151                  *  Check if the message has been modified
1152                  */
1153                 if (cache_cur_num == folder_cur_num) {
1154                         MsgInfo *msginfo;
1155
1156                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1157                         if (folder->class->is_msg_changed && folder->class->is_msg_changed(folder, item, msginfo)) {
1158                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1159                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1160                                 procmsg_msginfo_free(msginfo);
1161
1162                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1163                         } else
1164                                 exists_list = g_slist_prepend(exists_list, msginfo);
1165
1166                         /* Move to next folder and cache number */
1167                         cache_list_cur = cache_list_cur->next;
1168                         folder_list_cur = folder_list_cur->next;
1169
1170                         if (cache_list_cur != NULL)
1171                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1172                         else
1173                                 cache_cur_num = G_MAXINT;
1174
1175                         if (folder_list_cur != NULL)
1176                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1177                         else
1178                                 folder_cur_num = G_MAXINT;
1179
1180                         continue;
1181                 }
1182         }
1183
1184         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1185                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1186
1187         g_slist_free(cache_list);
1188         g_slist_free(folder_list);
1189
1190         if (new_list != NULL) {
1191                 if (folder->class->get_msginfos) {
1192                         newmsg_list = folder->class->get_msginfos(folder, item, new_list);
1193                 } else if (folder->class->get_msginfo) {
1194                         GSList *elem;
1195
1196                         for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1197                                 MsgInfo *msginfo;
1198                                 guint num;
1199
1200                                 num = GPOINTER_TO_INT(elem->data);
1201                                 msginfo = folder->class->get_msginfo(folder, item, num);
1202                                 if (msginfo != NULL) {
1203                                         newmsg_list = g_slist_prepend(newmsg_list, msginfo);
1204                                         debug_print("Added newly found message %d to cache.\n", num);
1205                                 }
1206                         }
1207                 }
1208                 g_slist_free(new_list);
1209         }
1210
1211         if (newmsg_list != NULL) {
1212                 GSList *elem;
1213
1214                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem))
1215                         msgcache_add_msg(item->cache, elem->data);
1216
1217                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1218
1219                 exists_list = g_slist_concat(exists_list, newmsg_list);
1220         }
1221
1222         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1223                 MsgInfo *msginfo;
1224
1225                 msginfo = elem->data;
1226                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1227                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1228                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1229                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1230                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1231                 }
1232                 if (MSG_IS_NEW(msginfo->flags))
1233                         newcnt++;
1234                 if (MSG_IS_UNREAD(msginfo->flags))
1235                         unreadcnt++;
1236                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1237                         unreadmarkedcnt++;
1238                 totalcnt++;
1239
1240                 procmsg_msginfo_free(msginfo);
1241         }
1242         g_slist_free(exists_list);
1243
1244         item->new = newcnt;
1245         item->unread = unreadcnt;
1246         item->total = totalcnt;
1247         item->unreadmarked = unreadmarkedcnt;
1248
1249         update_flags |= F_ITEM_UPDATE_MSGCNT;
1250
1251         folder_item_update(item, update_flags);
1252
1253         return 0;
1254 }
1255
1256 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1257                                           gpointer data)
1258 {
1259         folder_item_scan(FOLDER_ITEM(key));
1260 }
1261
1262 void folder_item_scan_foreach(GHashTable *table)
1263 {
1264         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1265 }
1266
1267 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1268 {
1269         gint *memusage = (gint *)data;
1270
1271         if (item->cache == NULL)
1272                 return;
1273
1274         *memusage += msgcache_get_memory_usage(item->cache);
1275 }
1276
1277 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1278 {
1279         FolderItem *fa = (FolderItem *)a;
1280         FolderItem *fb = (FolderItem *)b;
1281
1282         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1283 }
1284
1285 void folder_find_expired_caches(FolderItem *item, gpointer data)
1286 {
1287         GSList **folder_item_list = (GSList **)data;
1288         gint difftime, expiretime;
1289
1290         if (item->cache == NULL)
1291                 return;
1292
1293         if (item->opened > 0)
1294                 return;
1295
1296         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1297         expiretime = prefs_common.cache_min_keep_time * 60;
1298         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1299         if (difftime > expiretime) {
1300                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1301         }
1302 }
1303
1304 void folder_item_free_cache(FolderItem *item)
1305 {
1306         g_return_if_fail(item != NULL);
1307
1308         if (item->cache == NULL)
1309                 return;
1310
1311         if (item->opened > 0)
1312                 return;
1313
1314         folder_item_write_cache(item);
1315         msgcache_destroy(item->cache);
1316         item->cache = NULL;
1317 }
1318
1319 void folder_clean_cache_memory()
1320 {
1321         gint memusage = 0;
1322
1323         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1324         debug_print("Total cache memory usage: %d\n", memusage);
1325
1326         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1327                 GSList *folder_item_list = NULL, *listitem;
1328
1329                 debug_print("Trying to free cache memory\n");
1330
1331                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1332                 listitem = folder_item_list;
1333                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1334                         FolderItem *item = (FolderItem *)(listitem->data);
1335
1336                         debug_print("Freeing cache memory for %s\n", item->path);
1337                         memusage -= msgcache_get_memory_usage(item->cache);
1338                         folder_item_free_cache(item);
1339                         listitem = listitem->next;
1340                 }
1341                 g_slist_free(folder_item_list);
1342         }
1343 }
1344
1345 void folder_item_read_cache(FolderItem *item)
1346 {
1347         gchar *cache_file, *mark_file;
1348
1349         g_return_if_fail(item != NULL);
1350
1351         cache_file = folder_item_get_cache_file(item);
1352         mark_file = folder_item_get_mark_file(item);
1353         item->cache = msgcache_read_cache(item, cache_file);
1354         if (!item->cache) {
1355                 item->cache = msgcache_new();
1356                 folder_item_scan(item);
1357         }
1358         msgcache_read_mark(item->cache, mark_file);
1359         g_free(cache_file);
1360         g_free(mark_file);
1361
1362         folder_clean_cache_memory();
1363 }
1364
1365 void folder_item_write_cache(FolderItem *item)
1366 {
1367         gchar *cache_file, *mark_file;
1368         PrefsFolderItem *prefs;
1369         gint filemode = 0;
1370         gchar *id;
1371
1372         if (!item || !item->path || !item->cache)
1373                 return;
1374
1375         id = folder_item_get_identifier(item);
1376         debug_print("Save cache for folder %s\n", id);
1377         g_free(id);
1378
1379         cache_file = folder_item_get_cache_file(item);
1380         mark_file = folder_item_get_mark_file(item);
1381         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1382                 prefs = item->prefs;
1383                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1384                         /* for cache file */
1385                         filemode = prefs->folder_chmod;
1386                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1387                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1388                         chmod(cache_file, filemode);
1389                 }
1390         }
1391
1392         g_free(cache_file);
1393         g_free(mark_file);
1394 }
1395
1396 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
1397 {
1398         Folder *folder;
1399         MsgInfo *msginfo;
1400
1401         g_return_val_if_fail(item != NULL, NULL);
1402
1403         folder = item->folder;
1404         if (!item->cache)
1405                 folder_item_read_cache(item);
1406
1407         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1408                 return msginfo;
1409
1410         g_return_val_if_fail(folder->class->get_msginfo, NULL);
1411         if ((msginfo = folder->class->get_msginfo(folder, item, num)) != NULL) {
1412                 msgcache_add_msg(item->cache, msginfo);
1413                 return msginfo;
1414         }
1415
1416         return NULL;
1417 }
1418
1419 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
1420 {
1421         Folder *folder;
1422         MsgInfo *msginfo;
1423
1424         g_return_val_if_fail(item != NULL, NULL);
1425
1426         folder = item->folder;
1427         if (!item->cache)
1428                 folder_item_read_cache(item);
1429
1430         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1431                 return msginfo;
1432
1433         return NULL;
1434 }
1435
1436 GSList *folder_item_get_msg_list(FolderItem *item)
1437 {
1438         g_return_val_if_fail(item != NULL, NULL);
1439
1440         if (item->cache == 0)
1441                 folder_item_read_cache(item);
1442
1443         g_return_val_if_fail(item->cache != NULL, NULL);
1444
1445         return msgcache_get_msg_list(item->cache);
1446 }
1447
1448 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1449 {
1450         Folder *folder;
1451
1452         g_return_val_if_fail(item != NULL, NULL);
1453
1454         folder = item->folder;
1455
1456         g_return_val_if_fail(folder->class->fetch_msg != NULL, NULL);
1457
1458         return folder->class->fetch_msg(folder, item, num);
1459 }
1460
1461 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
1462 {
1463         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
1464                                        {NULL,           NULL, FALSE}};
1465         FILE *fp;
1466         MsgInfo *msginfo;
1467         gint msgnum = 0;
1468         gchar buf[BUFFSIZE];
1469
1470         if ((fp = fopen(file, "rb")) == NULL)
1471                 return 0;
1472
1473         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
1474                 while (fgets(buf, sizeof(buf), fp) != NULL)
1475                         if (buf[0] == '\r' || buf[0] == '\n') break;
1476
1477         procheader_get_header_fields(fp, hentry);
1478         if (hentry[0].body) {
1479                 extract_parenthesis(hentry[0].body, '<', '>');
1480                 remove_space(hentry[0].body);
1481                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
1482                         msgnum = msginfo->msgnum;
1483                         procmsg_msginfo_free(msginfo);
1484
1485                         debug_print("found message as uid %d\n", msgnum);
1486                 }
1487         }
1488
1489         g_free(hentry[0].body);
1490         hentry[0].body = NULL;
1491         fclose(fp);
1492
1493         return msgnum;
1494 }
1495
1496 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1497                          gboolean remove_source)
1498 {
1499         Folder *folder;
1500         gint num;
1501         MsgInfo *msginfo;
1502
1503         g_return_val_if_fail(dest != NULL, -1);
1504         g_return_val_if_fail(file != NULL, -1);
1505
1506         folder = dest->folder;
1507
1508         g_return_val_if_fail(folder->class->add_msg != NULL, -1);
1509
1510         if (!dest->cache)
1511                 folder_item_read_cache(dest);
1512
1513         num = folder->class->add_msg(folder, dest, file, FALSE);
1514
1515         if (num > 0) {
1516                 msginfo = folder->class->get_msginfo(folder, dest, num);
1517
1518                 if (msginfo != NULL) {
1519                         if (MSG_IS_NEW(msginfo->flags))
1520                                 dest->new++;
1521                         if (MSG_IS_UNREAD(msginfo->flags))
1522                                 dest->unread++;
1523                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1524                                 dest->unreadmarked++;
1525                         if (procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD))
1526                                 procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1527                         dest->total++;
1528
1529                         msgcache_add_msg(dest->cache, msginfo);
1530                         procmsg_msginfo_free(msginfo);
1531
1532                         folder_item_update(dest, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1533                 }
1534
1535                 dest->last_num = num;
1536         } else if (num == 0) {
1537                 folder_item_scan(dest);
1538                 num = folder_item_get_msg_num_by_file(dest, file);
1539         }
1540
1541         if (num >= 0 && remove_source) {
1542                 if (unlink(file) < 0)
1543                         FILE_OP_ERROR(file, "unlink");
1544         }
1545
1546         return num;
1547 }
1548
1549 /*
1550 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1551 {
1552         Folder *folder;
1553         gint num;
1554
1555         g_return_val_if_fail(dest != NULL, -1);
1556         g_return_val_if_fail(msginfo != NULL, -1);
1557
1558         folder = dest->folder;
1559         if (dest->last_num < 0) folder->scan(folder, dest);
1560
1561         num = folder->move_msg(folder, dest, msginfo);
1562         if (num > 0) dest->last_num = num;
1563
1564         return num;
1565 }
1566 */
1567
1568 FolderItem *folder_item_move_recursive (FolderItem *src, FolderItem *dest)
1569 {
1570         GSList *mlist;
1571         GSList *cur;
1572         FolderItem *new_item;
1573         FolderItem *next_item;
1574         GNode *srcnode;
1575         int cnt = 0;
1576         gchar *old_id, *new_id;
1577
1578         mlist = folder_item_get_msg_list(src);
1579
1580         /* move messages */
1581         debug_print("Moving %s to %s\n", src->path, dest->path);
1582         new_item = folder_create_folder(dest, g_basename(src->path));
1583         if (new_item == NULL) {
1584                 printf("Can't create folder\n");
1585                 return NULL;
1586         }
1587
1588         if (new_item->folder == NULL)
1589                 new_item->folder = dest->folder;
1590
1591         /* move messages */
1592         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1593                 MsgInfo * msginfo;
1594                 cnt++;
1595                 if (cnt%500)
1596                         log_message(_("Moving %s to %s (%d%%)...\n"), src->name,
1597                                         new_item->path,
1598                                         100*cnt/g_slist_length(mlist));
1599                 msginfo = (MsgInfo *) cur->data;
1600                 folder_item_move_msg(new_item, msginfo);
1601
1602                 procmsg_msginfo_free(msginfo);
1603         }
1604
1605         /*copy prefs*/
1606         prefs_folder_item_copy_prefs(src, new_item);
1607         new_item->collapsed = src->collapsed;
1608         new_item->thread_collapsed = src->thread_collapsed;
1609         new_item->threaded  = src->threaded;
1610         new_item->ret_rcpt  = src->ret_rcpt;
1611         new_item->hide_read_msgs = src->hide_read_msgs;
1612         new_item->sort_key  = src->sort_key;
1613         new_item->sort_type = src->sort_type;
1614
1615         prefs_matcher_write_config();
1616
1617         /* recurse */
1618         srcnode = src->folder->node;
1619         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1620         srcnode = srcnode->children;
1621         while (srcnode != NULL) {
1622                 if (srcnode && srcnode->data) {
1623                         next_item = (FolderItem*) srcnode->data;
1624                         srcnode = srcnode->next;
1625                         if (folder_item_move_recursive(next_item, new_item) == NULL)
1626                                 return NULL;
1627                 }
1628         }
1629         old_id = folder_item_get_identifier(src);
1630         new_id = folder_item_get_identifier(new_item);
1631         debug_print("updating rules : %s => %s\n", old_id, new_id);
1632
1633         src->folder->class->remove_folder(src->folder, src);
1634         folder_write_list();
1635
1636         if (old_id != NULL && new_id != NULL)
1637                 prefs_filtering_rename_path(old_id, new_id);
1638         g_free(old_id);
1639         g_free(new_id);
1640
1641         return new_item;
1642 }
1643
1644 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
1645 {
1646         FolderItem *tmp = dest->parent;
1647         gchar * src_identifier, * dst_identifier;
1648         gchar * phys_srcpath, * phys_dstpath;
1649         GNode *src_node;
1650
1651         while (tmp) {
1652                 if (tmp == src) {
1653                         return F_MOVE_FAILED_DEST_IS_CHILD;
1654                 }
1655                 tmp = tmp->parent;
1656         }
1657
1658         tmp = src->parent;
1659
1660         src_identifier = folder_item_get_identifier(src);
1661         dst_identifier = folder_item_get_identifier(dest);
1662
1663         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
1664                 /* dest can be a root folder */
1665                 dst_identifier = folder_get_identifier(dest->folder);
1666         }
1667         if (src_identifier == NULL || dst_identifier == NULL) {
1668                 debug_print("Can't get identifiers\n");
1669                 return F_MOVE_FAILED;
1670         }
1671
1672         if (src->folder != dest->folder) {
1673                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
1674         }
1675
1676         phys_srcpath = folder_item_get_path(src);
1677         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
1678
1679         if (src->parent == dest || src == dest) {
1680                 g_free(src_identifier);
1681                 g_free(dst_identifier);
1682                 g_free(phys_srcpath);
1683                 g_free(phys_dstpath);
1684                 return F_MOVE_FAILED_DEST_IS_PARENT;
1685         }
1686         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1687         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
1688                 return F_MOVE_FAILED;
1689         }
1690
1691         /* update rules */
1692         src_node = g_node_find(src->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1693         if (src_node)
1694                 g_node_destroy(src_node);
1695         else
1696                 debug_print("can't remove node: it's null!\n");
1697         /* not to much worry if remove fails, move has been done */
1698
1699         g_free(src_identifier);
1700         g_free(dst_identifier);
1701         g_free(phys_srcpath);
1702         g_free(phys_dstpath);
1703
1704         *new_item = tmp;
1705
1706         return F_MOVE_OK;
1707 }
1708
1709 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1710 {
1711         GSList *list = NULL;
1712         gint ret;
1713
1714         list = g_slist_append(list, msginfo);
1715         ret = folder_item_move_msgs_with_dest(dest, list);
1716         g_slist_free(list);
1717
1718         return ret;
1719 }
1720
1721 /*
1722 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1723 {
1724         Folder *folder;
1725         gint num;
1726
1727         g_return_val_if_fail(dest != NULL, -1);
1728         g_return_val_if_fail(msglist != NULL, -1);
1729
1730         folder = dest->folder;
1731         if (dest->last_num < 0) folder->scan(folder, dest);
1732
1733         num = folder->move_msgs_with_dest(folder, dest, msglist);
1734         if (num > 0) dest->last_num = num;
1735         else dest->op_count = 0;
1736
1737         return num;
1738 }
1739 */
1740
1741 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1742 {
1743         Folder *folder;
1744         FolderItem *item;
1745         GSList *newmsgnums = NULL;
1746         GSList *l, *l2;
1747         gint num, lastnum = -1;
1748         gboolean folderscan = FALSE;
1749
1750         g_return_val_if_fail(dest != NULL, -1);
1751         g_return_val_if_fail(msglist != NULL, -1);
1752
1753         folder = dest->folder;
1754
1755         g_return_val_if_fail(folder->class->copy_msg != NULL, -1);
1756         g_return_val_if_fail(folder->class->remove_msg != NULL, -1);
1757
1758         /*
1759          * Copy messages to destination folder and
1760          * store new message numbers in newmsgnums
1761          */
1762         item = NULL;
1763         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1764                 MsgInfo * msginfo = (MsgInfo *) l->data;
1765
1766                 if (!item && msginfo->folder != NULL)
1767                         item = msginfo->folder;
1768
1769                 num = folder->class->copy_msg(folder, dest, msginfo);
1770                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1771         }
1772
1773         /* Read cache for dest folder */
1774         if (!dest->cache) folder_item_read_cache(dest);
1775
1776         /*
1777          * Fetch new MsgInfos for new messages in dest folder,
1778          * add them to the msgcache and update folder message counts
1779          */
1780         l2 = newmsgnums;
1781         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1782                 MsgInfo *msginfo = (MsgInfo *) l->data;
1783
1784                 num = GPOINTER_TO_INT(l2->data);
1785                 l2 = g_slist_next(l2);
1786
1787                 if (num >= 0) {
1788                         MsgInfo *newmsginfo;
1789
1790                         if (num == 0) {
1791                                 gchar *file;
1792
1793                                 if (!folderscan) {
1794                                         folder_item_scan(dest);
1795                                         folderscan = TRUE;
1796                                 }
1797                                 file = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
1798                                 num = folder_item_get_msg_num_by_file(dest, file);
1799                                 g_free(file);
1800                         }
1801
1802                         if (num > lastnum)
1803                                 lastnum = num;
1804
1805                         if (num == 0)
1806                                 continue;
1807
1808                         if (!folderscan) {
1809                                 newmsginfo = folder->class->get_msginfo(folder, dest, num);
1810                                 if (newmsginfo) {
1811                                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1812                                         if (dest->stype == F_OUTBOX ||
1813                                             dest->stype == F_QUEUE  ||
1814                                             dest->stype == F_DRAFT  ||
1815                                             dest->stype == F_TRASH)
1816                                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1817                                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1818                                         msgcache_add_msg(dest->cache, newmsginfo);
1819
1820                                         if (MSG_IS_NEW(newmsginfo->flags))
1821                                                 dest->new++;
1822                                         if (MSG_IS_UNREAD(newmsginfo->flags))
1823                                                 dest->unread++;
1824                                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1825                                                 dest->unreadmarked++;
1826                                         if (procmsg_msg_has_flagged_parent(newmsginfo, MSG_IGNORE_THREAD))
1827                                                 procmsg_msginfo_set_flags(newmsginfo, MSG_IGNORE_THREAD, 0);
1828                                         dest->total++;
1829                                         folder_item_update(dest, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1830
1831                                         procmsg_msginfo_free(newmsginfo);
1832                                 }
1833                         } else {
1834                                 newmsginfo = msgcache_get_msg(dest->cache, num);
1835                                 procmsg_msginfo_unset_flags(newmsginfo, ~0, ~0);
1836                                 procmsg_msginfo_set_flags(newmsginfo, msginfo->flags.perm_flags, 0);
1837                         }
1838                 }
1839         }
1840
1841         /*
1842          * Remove source messages from their folders if
1843          * copying was successfull and update folder
1844          * message counts
1845          */
1846         l2 = newmsgnums;
1847         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1848                 MsgInfo *msginfo = (MsgInfo *) l->data;
1849
1850                 num = GPOINTER_TO_INT(l2->data);
1851                 l2 = g_slist_next(l2);
1852
1853                 if (num >= 0) {
1854                         item->folder->class->remove_msg(item->folder,
1855                                                         msginfo->folder,
1856                                                         msginfo->msgnum);
1857                         if (!item->cache)
1858                                 folder_item_read_cache(item);
1859                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1860
1861                         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1862                                 msginfo->folder->new--;
1863                         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1864                                 msginfo->folder->unread--;
1865                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1866                                 msginfo->folder->unreadmarked--;
1867                         msginfo->folder->total--;
1868                         folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1869                 }
1870         }
1871
1872
1873         if (folder->class->finished_copy)
1874                 folder->class->finished_copy(folder, dest);
1875
1876         g_slist_free(newmsgnums);
1877         return lastnum;
1878 }
1879
1880 /*
1881 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1882 {
1883         Folder *folder;
1884         gint num;
1885
1886         g_return_val_if_fail(dest != NULL, -1);
1887         g_return_val_if_fail(msginfo != NULL, -1);
1888
1889         folder = dest->folder;
1890         if (dest->last_num < 0) folder->scan(folder, dest);
1891
1892         num = folder->copy_msg(folder, dest, msginfo);
1893         if (num > 0) dest->last_num = num;
1894
1895         return num;
1896 }
1897 */
1898
1899 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1900 {
1901         GSList *list = NULL;
1902         gint ret;
1903
1904         list = g_slist_append(list, msginfo);
1905         ret = folder_item_copy_msgs_with_dest(dest, list);
1906         g_slist_free(list);
1907
1908         return ret;
1909 }
1910
1911 /*
1912 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1913 {
1914         Folder *folder;
1915         gint num;
1916
1917         g_return_val_if_fail(dest != NULL, -1);
1918         g_return_val_if_fail(msglist != NULL, -1);
1919
1920         folder = dest->folder;
1921         if (dest->last_num < 0) folder->scan(folder, dest);
1922
1923         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1924         if (num > 0) dest->last_num = num;
1925         else dest->op_count = 0;
1926
1927         return num;
1928 }
1929 */
1930
1931 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1932 {
1933         Folder *folder;
1934         gint num, lastnum = -1;
1935         GSList *newmsgnums = NULL;
1936         GSList *l, *l2;
1937         gboolean folderscan = FALSE;
1938
1939         g_return_val_if_fail(dest != NULL, -1);
1940         g_return_val_if_fail(msglist != NULL, -1);
1941
1942         folder = dest->folder;
1943
1944         g_return_val_if_fail(folder->class->copy_msg != NULL, -1);
1945
1946         /*
1947          * Copy messages to destination folder and
1948          * store new message numbers in newmsgnums
1949          */
1950         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1951                 MsgInfo * msginfo = (MsgInfo *) l->data;
1952
1953                 num = folder->class->copy_msg(folder, dest, msginfo);
1954                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1955         }
1956
1957         /* Read cache for dest folder */
1958         if (!dest->cache) folder_item_read_cache(dest);
1959
1960         /*
1961          * Fetch new MsgInfos for new messages in dest folder,
1962          * add them to the msgcache and update folder message counts
1963          */
1964         l2 = newmsgnums;
1965         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1966                 MsgInfo *msginfo = (MsgInfo *) l->data;
1967
1968                 num = GPOINTER_TO_INT(l2->data);
1969                 l2 = g_slist_next(l2);
1970
1971                 if (num >= 0) {
1972                         MsgInfo *newmsginfo;
1973
1974                         if (num == 0) {
1975                                 gchar *file;
1976
1977                                 if (!folderscan) {
1978                                         folder_item_scan(dest);
1979                                         folderscan = TRUE;
1980                                 }
1981                                 file = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
1982                                 num = folder_item_get_msg_num_by_file(dest, file);
1983                                 g_free(file);
1984                         }
1985
1986                         if (num > lastnum)
1987                                 lastnum = num;
1988
1989                         if (num == 0)
1990                                 continue;
1991
1992                         if (!folderscan) {
1993                                 newmsginfo = folder->class->get_msginfo(folder, dest, num);
1994                                 if (newmsginfo) {
1995                                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1996                                         if (dest->stype == F_OUTBOX ||
1997                                             dest->stype == F_QUEUE  ||
1998                                             dest->stype == F_DRAFT  ||
1999                                             dest->stype == F_TRASH)
2000                                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
2001                                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
2002                                         msgcache_add_msg(dest->cache, newmsginfo);
2003
2004                                         if (MSG_IS_NEW(newmsginfo->flags))
2005                                                 dest->new++;
2006                                         if (MSG_IS_UNREAD(newmsginfo->flags))
2007                                                 dest->unread++;
2008                                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
2009                                                 dest->unreadmarked++;
2010                                         if (procmsg_msg_has_flagged_parent(newmsginfo, MSG_IGNORE_THREAD))
2011                                                 procmsg_msginfo_set_flags(newmsginfo, MSG_IGNORE_THREAD, 0);
2012                                         dest->total++;
2013                                         folder_item_update(dest, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2014
2015                                         procmsg_msginfo_free(newmsginfo);
2016                                 }
2017                         } else {
2018                                 newmsginfo = msgcache_get_msg(dest->cache, num);
2019                                 procmsg_msginfo_unset_flags(newmsginfo, ~0, ~0);
2020                                 procmsg_msginfo_set_flags(newmsginfo, msginfo->flags.perm_flags, 0);
2021                         }
2022                 }
2023         }
2024
2025         if (folder->class->finished_copy)
2026                 folder->class->finished_copy(folder, dest);
2027
2028         g_slist_free(newmsgnums);
2029         return lastnum;
2030 }
2031
2032 gint folder_item_remove_msg(FolderItem *item, gint num)
2033 {
2034         Folder *folder;
2035         gint ret;
2036         MsgInfo *msginfo;
2037
2038         g_return_val_if_fail(item != NULL, -1);
2039
2040         folder = item->folder;
2041         if (!item->cache) folder_item_read_cache(item);
2042
2043         ret = folder->class->remove_msg(folder, item, num);
2044
2045         msginfo = msgcache_get_msg(item->cache, num);
2046         if (msginfo != NULL) {
2047                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2048                         item->new--;
2049                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
2050                         item->unread--;
2051                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2052                         item->unreadmarked--;
2053                 procmsg_msginfo_free(msginfo);
2054                 msgcache_remove_msg(item->cache, num);
2055         }
2056         item->total--;
2057         folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2058
2059         return ret;
2060 }
2061
2062 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2063 {
2064         Folder *folder;
2065         gint ret = 0;
2066
2067         g_return_val_if_fail(item != NULL, -1);
2068         folder = item->folder;
2069         g_return_val_if_fail(folder != NULL, -1);
2070
2071         if (!item->cache) folder_item_read_cache(item);
2072
2073         if (folder->class->remove_msgs) {
2074                 ret = folder->class->remove_msgs(folder, item, msglist);
2075                 if (ret == 0)
2076                         folder_item_scan(item);
2077                 return ret;
2078         }
2079
2080         while (msglist != NULL) {
2081                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2082
2083                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2084                 if (ret != 0) break;
2085                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2086                 msglist = msglist->next;
2087         }
2088
2089         return ret;
2090 }
2091
2092 gint folder_item_remove_all_msg(FolderItem *item)
2093 {
2094         Folder *folder;
2095         gint result;
2096
2097         g_return_val_if_fail(item != NULL, -1);
2098
2099         folder = item->folder;
2100
2101         g_return_val_if_fail(folder->class->remove_all_msg != NULL, -1);
2102
2103         result = folder->class->remove_all_msg(folder, item);
2104
2105         if (result == 0) {
2106                 if (folder->class->finished_remove)
2107                         folder->class->finished_remove(folder, item);
2108
2109                 folder_item_free_cache(item);
2110                 item->cache = msgcache_new();
2111
2112                 item->new = 0;
2113                 item->unread = 0;
2114                 item->unreadmarked = 0;
2115                 item->total = 0;
2116                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2117         }
2118
2119         return result;
2120 }
2121
2122 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
2123 {
2124         g_return_if_fail(item != NULL);
2125         g_return_if_fail(msginfo != NULL);
2126
2127         if (item->folder->class->change_flags != NULL) {
2128                 item->folder->class->change_flags(item->folder, item, msginfo, newflags);
2129         } else {
2130                 msginfo->flags.perm_flags = newflags;
2131         }
2132 }
2133
2134 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2135 {
2136         Folder *folder;
2137
2138         g_return_val_if_fail(item != NULL, FALSE);
2139
2140         folder = item->folder;
2141
2142         g_return_val_if_fail(folder->class->is_msg_changed != NULL, -1);
2143
2144         return folder->class->is_msg_changed(folder, item, msginfo);
2145 }
2146
2147 gchar *folder_item_get_cache_file(FolderItem *item)
2148 {
2149         gchar *path;
2150         gchar *file;
2151
2152         g_return_val_if_fail(item != NULL, NULL);
2153         g_return_val_if_fail(item->path != NULL, NULL);
2154
2155         path = folder_item_get_path(item);
2156         g_return_val_if_fail(path != NULL, NULL);
2157         if (!is_dir_exist(path))
2158                 make_dir_hier(path);
2159         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2160         g_free(path);
2161
2162         return file;
2163 }
2164
2165 gchar *folder_item_get_mark_file(FolderItem *item)
2166 {
2167         gchar *path;
2168         gchar *file;
2169
2170         g_return_val_if_fail(item != NULL, NULL);
2171         g_return_val_if_fail(item->path != NULL, NULL);
2172
2173         path = folder_item_get_path(item);
2174         g_return_val_if_fail(path != NULL, NULL);
2175         if (!is_dir_exist(path))
2176                 make_dir_hier(path);
2177         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2178         g_free(path);
2179
2180         return file;
2181 }
2182
2183 static gboolean folder_build_tree(GNode *node, gpointer data)
2184 {
2185         Folder *folder = FOLDER(data);
2186         FolderItem *item;
2187         XMLNode *xmlnode;
2188         GList *list;
2189         SpecialFolderItemType stype = F_NORMAL;
2190         const gchar *name = NULL;
2191         const gchar *path = NULL;
2192         PrefsAccount *account = NULL;
2193         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
2194                  threaded = TRUE, apply_sub = FALSE;
2195         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE,
2196                  thread_collapsed = FALSE; /* CLAWS */
2197         FolderSortKey sort_key = SORT_BY_NONE;
2198         FolderSortType sort_type = SORT_ASCENDING;
2199         gint new = 0, unread = 0, total = 0, unreadmarked = 0;
2200         time_t mtime = 0;
2201
2202         g_return_val_if_fail(node->data != NULL, FALSE);
2203         if (!node->parent) return FALSE;
2204
2205         xmlnode = node->data;
2206         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2207                 g_warning("tag name != \"folderitem\"\n");
2208                 return FALSE;
2209         }
2210
2211         list = xmlnode->tag->attr;
2212         for (; list != NULL; list = list->next) {
2213                 XMLAttr *attr = list->data;
2214
2215                 if (!attr || !attr->name || !attr->value) continue;
2216                 if (!strcmp(attr->name, "type")) {
2217                         if (!strcasecmp(attr->value, "normal"))
2218                                 stype = F_NORMAL;
2219                         else if (!strcasecmp(attr->value, "inbox"))
2220                                 stype = F_INBOX;
2221                         else if (!strcasecmp(attr->value, "outbox"))
2222                                 stype = F_OUTBOX;
2223                         else if (!strcasecmp(attr->value, "draft"))
2224                                 stype = F_DRAFT;
2225                         else if (!strcasecmp(attr->value, "queue"))
2226                                 stype = F_QUEUE;
2227                         else if (!strcasecmp(attr->value, "trash"))
2228                                 stype = F_TRASH;
2229                 } else if (!strcmp(attr->name, "name"))
2230                         name = attr->value;
2231                 else if (!strcmp(attr->name, "path"))
2232                         path = attr->value;
2233                 else if (!strcmp(attr->name, "mtime"))
2234                         mtime = strtoul(attr->value, NULL, 10);
2235                 else if (!strcmp(attr->name, "new"))
2236                         new = atoi(attr->value);
2237                 else if (!strcmp(attr->name, "unread"))
2238                         unread = atoi(attr->value);
2239                 else if (!strcmp(attr->name, "unreadmarked"))
2240                         unreadmarked = atoi(attr->value);
2241                 else if (!strcmp(attr->name, "total"))
2242                         total = atoi(attr->value);
2243                 else if (!strcmp(attr->name, "no_sub"))
2244                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2245                 else if (!strcmp(attr->name, "no_select"))
2246                         no_select = *attr->value == '1' ? TRUE : FALSE;
2247                 else if (!strcmp(attr->name, "collapsed"))
2248                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2249                 else if (!strcmp(attr->name, "thread_collapsed"))
2250                         thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
2251                 else if (!strcmp(attr->name, "threaded"))
2252                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2253                 else if (!strcmp(attr->name, "hidereadmsgs"))
2254                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2255                 else if (!strcmp(attr->name, "reqretrcpt"))
2256                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2257                 else if (!strcmp(attr->name, "sort_key")) {
2258                         if (!strcmp(attr->value, "none"))
2259                                 sort_key = SORT_BY_NONE;
2260                         else if (!strcmp(attr->value, "number"))
2261                                 sort_key = SORT_BY_NUMBER;
2262                         else if (!strcmp(attr->value, "size"))
2263                                 sort_key = SORT_BY_SIZE;
2264                         else if (!strcmp(attr->value, "date"))
2265                                 sort_key = SORT_BY_DATE;
2266                         else if (!strcmp(attr->value, "from"))
2267                                 sort_key = SORT_BY_FROM;
2268                         else if (!strcmp(attr->value, "subject"))
2269                                 sort_key = SORT_BY_SUBJECT;
2270                         else if (!strcmp(attr->value, "score"))
2271                                 sort_key = SORT_BY_SCORE;
2272                         else if (!strcmp(attr->value, "label"))
2273                                 sort_key = SORT_BY_LABEL;
2274                         else if (!strcmp(attr->value, "mark"))
2275                                 sort_key = SORT_BY_MARK;
2276                         else if (!strcmp(attr->value, "unread"))
2277                                 sort_key = SORT_BY_STATUS;
2278                         else if (!strcmp(attr->value, "mime"))
2279                                 sort_key = SORT_BY_MIME;
2280                         else if (!strcmp(attr->value, "to"))
2281                                 sort_key = SORT_BY_TO;
2282                         else if (!strcmp(attr->value, "locked"))
2283                                 sort_key = SORT_BY_LOCKED;
2284                 } else if (!strcmp(attr->name, "sort_type")) {
2285                         if (!strcmp(attr->value, "ascending"))
2286                                 sort_type = SORT_ASCENDING;
2287                         else
2288                                 sort_type = SORT_DESCENDING;
2289                 } else if (!strcmp(attr->name, "account_id")) {
2290                         account = account_find_from_id(atoi(attr->value));
2291                         if (!account) g_warning("account_id: %s not found\n",
2292                                                 attr->value);
2293                 } else if (!strcmp(attr->name, "apply_sub"))
2294                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2295         }
2296
2297         item = folder_item_new(folder, name, path);
2298         item->stype = stype;
2299         item->mtime = mtime;
2300         item->new = new;
2301         item->unread = unread;
2302         item->unreadmarked = unreadmarked;
2303         item->total = total;
2304         item->no_sub = no_sub;
2305         item->no_select = no_select;
2306         item->collapsed = collapsed;
2307         item->thread_collapsed = thread_collapsed;
2308         item->threaded  = threaded;
2309         item->hide_read_msgs  = hidereadmsgs;
2310         item->ret_rcpt  = ret_rcpt;
2311         item->sort_key  = sort_key;
2312         item->sort_type = sort_type;
2313         item->parent = FOLDER_ITEM(node->parent->data);
2314         item->folder = folder;
2315         switch (stype) {
2316         case F_INBOX:  folder->inbox  = item; break;
2317         case F_OUTBOX: folder->outbox = item; break;
2318         case F_DRAFT:  folder->draft  = item; break;
2319         case F_QUEUE:  folder->queue  = item; break;
2320         case F_TRASH:  folder->trash  = item; break;
2321         default:       break;
2322         }
2323         item->account = account;
2324         item->apply_sub = apply_sub;
2325         prefs_folder_item_read_config(item);
2326
2327         node->data = item;
2328         xml_free_node(xmlnode);
2329
2330         return FALSE;
2331 }
2332
2333 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2334 {
2335         Folder *folder;
2336         XMLNode *xmlnode;
2337         GList *list;
2338         FolderClass *class = NULL;
2339         const gchar *name = NULL;
2340         const gchar *path = NULL;
2341         PrefsAccount *account = NULL;
2342         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2343         gboolean ret_rcpt = FALSE, thread_collapsed = FALSE; /* CLAWS */
2344
2345         if (g_node_depth(node) != 2) return FALSE;
2346         g_return_val_if_fail(node->data != NULL, FALSE);
2347
2348         xmlnode = node->data;
2349         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2350                 g_warning("tag name != \"folder\"\n");
2351                 return TRUE;
2352         }
2353         g_node_unlink(node);
2354         list = xmlnode->tag->attr;
2355         for (; list != NULL; list = list->next) {
2356                 XMLAttr *attr = list->data;
2357
2358                 if (!attr || !attr->name || !attr->value) continue;
2359                 if (!strcmp(attr->name, "type"))
2360                         class = folder_get_class_from_string(attr->value);
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, "collapsed"))
2366                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2367                 else if (!strcmp(attr->name, "thread_collapsed"))
2368                         thread_collapsed = *attr->value == '1' ? TRUE : FALSE;
2369                 else if (!strcmp(attr->name, "threaded"))
2370                         threaded = *attr->value == '1' ? TRUE : FALSE;
2371                 else if (!strcmp(attr->name, "account_id")) {
2372                         account = account_find_from_id(atoi(attr->value));
2373                         if (!account) g_warning("account_id: %s not found\n",
2374                                                 attr->value);
2375                 } else if (!strcmp(attr->name, "apply_sub"))
2376                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2377                 else if (!strcmp(attr->name, "reqretrcpt"))
2378                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2379         }
2380
2381         folder = folder_new(class, name, path);
2382         g_return_val_if_fail(folder != NULL, FALSE);
2383         folder->account = account;
2384         if (account != NULL)
2385                 account->folder = REMOTE_FOLDER(folder);
2386         node->data = folder->node->data;
2387         g_node_destroy(folder->node);
2388         folder->node = node;
2389         folder_add(folder);
2390         FOLDER_ITEM(node->data)->collapsed = collapsed;
2391         FOLDER_ITEM(node->data)->thread_collapsed = thread_collapsed;
2392         FOLDER_ITEM(node->data)->threaded  = threaded;
2393         FOLDER_ITEM(node->data)->account   = account;
2394         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2395         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2396
2397         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2398                         folder_build_tree, folder);
2399
2400         return FALSE;
2401 }
2402
2403 static gchar *folder_get_list_path(void)
2404 {
2405         static gchar *filename = NULL;
2406
2407         if (!filename)
2408                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2409                                         FOLDER_LIST, NULL);
2410
2411         return filename;
2412 }
2413
2414 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2415 {                                                       \
2416         fputs(" " attr "=\"", fp);                      \
2417         xml_file_put_escape_str(fp, str);               \
2418         fputs("\"", fp);                                \
2419 }
2420
2421 static void folder_write_list_recursive(GNode *node, gpointer data)
2422 {
2423         FILE *fp = (FILE *)data;
2424         FolderItem *item;
2425         gint i, depth;
2426         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2427                                                  "draft", "queue", "trash"};
2428         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2429                                         "from", "subject", "score", "label",
2430                                         "mark", "unread", "mime", "to",
2431                                         "locked"};
2432         g_return_if_fail(node != NULL);
2433         g_return_if_fail(fp != NULL);
2434
2435         item = FOLDER_ITEM(node->data);
2436         g_return_if_fail(item != NULL);
2437
2438         depth = g_node_depth(node);
2439         for (i = 0; i < depth; i++)
2440                 fputs("    ", fp);
2441         if (depth == 1) {
2442                 Folder *folder = item->folder;
2443
2444                 fprintf(fp, "<folder type=\"%s\"", folder->class->idstr);
2445                 if (folder->name)
2446                         PUT_ESCAPE_STR(fp, "name", folder->name);
2447                 if (FOLDER_TYPE(folder) == F_MH || FOLDER_TYPE(folder) == F_MBOX)
2448                         PUT_ESCAPE_STR(fp, "path",
2449                                        LOCAL_FOLDER(folder)->rootpath);
2450                 if (item->collapsed && node->children)
2451                         fputs(" collapsed=\"1\"", fp);
2452                 if (folder->account)
2453                         fprintf(fp, " account_id=\"%d\"",
2454                                 folder->account->account_id);
2455                 if (item->apply_sub)
2456                         fputs(" apply_sub=\"1\"", fp);
2457                 if (item->ret_rcpt)
2458                         fputs(" reqretrcpt=\"1\"", fp);
2459         } else {
2460                 fprintf(fp, "<folderitem type=\"%s\"",
2461                         folder_item_stype_str[item->stype]);
2462                 if (item->name)
2463                         PUT_ESCAPE_STR(fp, "name", item->name);
2464                 if (item->path)
2465                         PUT_ESCAPE_STR(fp, "path", item->path);
2466
2467                 if (item->no_sub)
2468                         fputs(" no_sub=\"1\"", fp);
2469                 if (item->no_select)
2470                         fputs(" no_select=\"1\"", fp);
2471                 if (item->collapsed && node->children)
2472                         fputs(" collapsed=\"1\"", fp);
2473                 else
2474                         fputs(" collapsed=\"0\"", fp);
2475                 if (item->thread_collapsed)
2476                         fputs(" thread_collapsed=\"1\"", fp);
2477                 else
2478                         fputs(" thread_collapsed=\"0\"", fp);
2479                 if (item->threaded)
2480                         fputs(" threaded=\"1\"", fp);
2481                 else
2482                         fputs(" threaded=\"0\"", fp);
2483                 if (item->hide_read_msgs)
2484                         fputs(" hidereadmsgs=\"1\"", fp);
2485                 else
2486                         fputs(" hidereadmsgs=\"0\"", fp);
2487                 if (item->ret_rcpt)
2488                         fputs(" reqretrcpt=\"1\"", fp);
2489
2490                 if (item->sort_key != SORT_BY_NONE) {
2491                         fprintf(fp, " sort_key=\"%s\"",
2492                                 sort_key_str[item->sort_key]);
2493                         if (item->sort_type == SORT_ASCENDING)
2494                                 fprintf(fp, " sort_type=\"ascending\"");
2495                         else
2496                                 fprintf(fp, " sort_type=\"descending\"");
2497                 }
2498
2499                 fprintf(fp,
2500                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" unreadmarked=\"%d\" total=\"%d\"",
2501                         item->mtime, item->new, item->unread, item->unreadmarked, item->total);
2502
2503                 if (item->account)
2504                         fprintf(fp, " account_id=\"%d\"",
2505                                 item->account->account_id);
2506                 if (item->apply_sub)
2507                         fputs(" apply_sub=\"1\"", fp);
2508         }
2509
2510         if (node->children) {
2511                 GNode *child;
2512                 fputs(">\n", fp);
2513
2514                 child = node->children;
2515                 while (child) {
2516                         GNode *cur;
2517
2518                         cur = child;
2519                         child = cur->next;
2520                         folder_write_list_recursive(cur, data);
2521                 }
2522
2523                 for (i = 0; i < depth; i++)
2524                         fputs("    ", fp);
2525                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2526         } else
2527                 fputs(" />\n", fp);
2528 }
2529
2530 static void folder_update_op_count_rec(GNode *node)
2531 {
2532         FolderItem *fitem = FOLDER_ITEM(node->data);
2533
2534         if (g_node_depth(node) > 0) {
2535                 if (fitem->op_count > 0) {
2536                         fitem->op_count = 0;
2537                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
2538                 }
2539                 if (node->children) {
2540                         GNode *child;
2541
2542                         child = node->children;
2543                         while (child) {
2544                                 GNode *cur;
2545
2546                                 cur = child;
2547                                 child = cur->next;
2548                                 folder_update_op_count_rec(cur);
2549                         }
2550                 }
2551         }
2552 }
2553
2554 void folder_update_op_count() {
2555         GList *cur;
2556         Folder *folder;
2557
2558         for (cur = folder_list; cur != NULL; cur = cur->next) {
2559                 folder = cur->data;
2560                 folder_update_op_count_rec(folder->node);
2561         }
2562 }
2563
2564 typedef struct _type_str {
2565         gchar * str;
2566         gint type;
2567 } type_str;
2568
2569
2570 /*
2571 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2572 {
2573         if (item->parent != NULL) {
2574                 gchar * path;
2575                 gchar * id;
2576
2577                 path = folder_item_get_tree_identifier(item->parent);
2578                 if (path == NULL)
2579                         return NULL;
2580
2581                 id = g_strconcat(path, "/", item->name, NULL);
2582                 g_free(path);
2583
2584                 return id;
2585         }
2586         else {
2587                 return g_strconcat("/", item->name, NULL);
2588         }
2589 }
2590 */
2591
2592 /* CLAWS: temporary local folder for filtering */
2593 static Folder *processing_folder;
2594 static FolderItem *processing_folder_item;
2595
2596 static void folder_create_processing_folder(void)
2597 {
2598 #define PROCESSING_FOLDER ".processing"
2599         Folder     *tmpparent;
2600         gchar      *tmpname;
2601
2602         tmpparent = folder_get_default_folder();
2603         g_assert(tmpparent);
2604         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2605         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2606                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2607                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2608                                       NULL);
2609         else
2610                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2611                                       LOCAL_FOLDER(tmpparent)->rootpath,
2612                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2613                                       NULL);
2614
2615         processing_folder = folder_new(mh_get_class(), "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2616         g_assert(processing_folder);
2617
2618         if (!is_dir_exist(tmpname)) {
2619                 debug_print("*TMP* creating %s\n", tmpname);
2620                 processing_folder_item = processing_folder->class->create_folder(processing_folder,
2621                                                                                  processing_folder->node->data,
2622                                                                                  PROCESSING_FOLDER);
2623                 g_assert(processing_folder_item);
2624         }
2625         else {
2626                 debug_print("*TMP* already created\n");
2627                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2628                 g_assert(processing_folder_item);
2629                 folder_item_append(processing_folder->node->data, processing_folder_item);
2630         }
2631         g_free(tmpname);
2632 }
2633
2634 FolderItem *folder_get_default_processing(void)
2635 {
2636         if (!processing_folder_item) {
2637                 folder_create_processing_folder();
2638         }
2639         return processing_folder_item;
2640 }
2641
2642 /* folder_persist_prefs_new() - return hash table with persistent
2643  * settings (and folder name as key).
2644  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2645  * file, so those don't need to be included in PersistPref yet)
2646  */
2647 GHashTable *folder_persist_prefs_new(Folder *folder)
2648 {
2649         GHashTable *pptable;
2650
2651         g_return_val_if_fail(folder, NULL);
2652         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2653         folder_get_persist_prefs_recursive(folder->node, pptable);
2654         return pptable;
2655 }
2656
2657 void folder_persist_prefs_free(GHashTable *pptable)
2658 {
2659         g_return_if_fail(pptable);
2660         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2661         g_hash_table_destroy(pptable);
2662 }
2663
2664 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2665 {
2666         if (pptable == NULL || name == NULL) return NULL;
2667         return g_hash_table_lookup(pptable, name);
2668 }
2669
2670 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2671 {
2672         const PersistPrefs *pp;
2673         gchar *id = folder_item_get_identifier(item);
2674
2675         pp = folder_get_persist_prefs(pptable, id);
2676         g_free(id);
2677
2678         if (!pp) return;
2679
2680         /* CLAWS: since not all folder properties have been migrated to
2681          * folderlist.xml, we need to call the old stuff first before
2682          * setting things that apply both to Main and Claws. */
2683         prefs_folder_item_read_config(item);
2684
2685         item->collapsed = pp->collapsed;
2686         item->thread_collapsed = pp->thread_collapsed;
2687         item->threaded  = pp->threaded;
2688         item->ret_rcpt  = pp->ret_rcpt;
2689         item->hide_read_msgs = pp->hide_read_msgs;
2690         item->sort_key  = pp->sort_key;
2691         item->sort_type = pp->sort_type;
2692 }
2693
2694 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2695 {
2696         FolderItem *item = FOLDER_ITEM(node->data);
2697         PersistPrefs *pp;
2698         GNode *child, *cur;
2699         gchar *id;
2700
2701         g_return_if_fail(node != NULL);
2702         g_return_if_fail(item != NULL);
2703
2704         /* NOTE: item->path == NULL means top level folder; not interesting
2705          * to store preferences of that one.  */
2706         if (item->path) {
2707                 id = folder_item_get_identifier(item);
2708                 pp = g_new0(PersistPrefs, 1);
2709                 g_return_if_fail(pp != NULL);
2710                 pp->collapsed = item->collapsed;
2711                 pp->thread_collapsed = item->thread_collapsed;
2712                 pp->threaded  = item->threaded;
2713                 pp->ret_rcpt  = item->ret_rcpt;
2714                 pp->hide_read_msgs = item->hide_read_msgs;
2715                 pp->sort_key  = item->sort_key;
2716                 pp->sort_type = item->sort_type;
2717                 g_hash_table_insert(pptable, id, pp);
2718         }
2719
2720         if (node->children) {
2721                 child = node->children;
2722                 while (child) {
2723                         cur = child;
2724                         child = cur->next;
2725                         folder_get_persist_prefs_recursive(cur, pptable);
2726                 }
2727         }
2728 }
2729
2730 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2731 {
2732         if (key)
2733                 g_free(key);
2734         if (val)
2735                 g_free(val);
2736         return TRUE;
2737 }
2738
2739 void folder_item_apply_processing(FolderItem *item)
2740 {
2741         GSList *processing_list;
2742         GSList *mlist, *cur;
2743
2744         g_return_if_fail(item != NULL);
2745
2746         processing_list = item->prefs->processing;
2747         if (processing_list == NULL)
2748                 return;
2749
2750         folder_item_update_freeze();
2751
2752         mlist = folder_item_get_msg_list(item);
2753         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2754                 MsgInfo * msginfo;
2755
2756                 msginfo = (MsgInfo *) cur->data;
2757                 filter_message_by_msginfo(processing_list, msginfo);
2758                 procmsg_msginfo_free(msginfo);
2759         }
2760         g_slist_free(mlist);
2761
2762         folder_item_update_thaw();
2763 }
2764
2765 /*
2766  *  functions for handling FolderItem content changes
2767  */
2768 static gint folder_item_update_freeze_cnt = 0;
2769
2770 /**
2771  * Notify the folder system about changes to a folder. If the
2772  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
2773  * be invoked, otherwise the changes will be remebered until
2774  * the folder system is thawed.
2775  *
2776  * \param item The FolderItem that was changed
2777  * \param update_flags Type of changed that was made
2778  */
2779 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
2780 {
2781         if (folder_item_update_freeze_cnt == 0) {
2782                 FolderItemUpdateData source;
2783
2784                 source.item = item;
2785                 source.update_flags = update_flags;
2786                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2787         } else {
2788                 item->update_flags |= update_flags;
2789         }
2790 }
2791
2792 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
2793 {
2794         GNode *node = item->folder->node;
2795
2796         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2797         node = node->children;
2798
2799         folder_item_update(item, update_flags);
2800         while (node != NULL) {
2801                 if (node && node->data) {
2802                         FolderItem *next_item = (FolderItem*) node->data;
2803
2804                         folder_item_update(next_item, update_flags);
2805                 }
2806                 node = node->next;
2807         }
2808 }
2809
2810 void folder_item_update_freeze()
2811 {
2812         folder_item_update_freeze_cnt++;
2813 }
2814
2815 static void folder_item_update_func(FolderItem *item, gpointer data)
2816 {
2817         FolderItemUpdateData source;
2818
2819         if (item->update_flags) {
2820                 source.item = item;
2821                 source.update_flags = item->update_flags;
2822                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2823                 item->update_flags = 0;
2824         }
2825 }
2826
2827 void folder_item_update_thaw()
2828 {
2829         if (folder_item_update_freeze_cnt > 0)
2830                 folder_item_update_freeze_cnt--;
2831         if (folder_item_update_freeze_cnt == 0) {
2832                 /* Update all folders */
2833                 folder_func_to_all_folders(folder_item_update_func, NULL);
2834         }
2835 }
2836
2837 #undef PUT_ESCAPE_STR