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 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
  77
  78 static GSList *classlist;
  79
  80 void folder_system_init(void)
  81 {
  82         folder_register_class(mh_get_class());
  83         folder_register_class(imap_get_class());
  84         folder_register_class(news_get_class());
  85         folder_register_class(mbox_get_class());
  86 }
  87
  88 GSList *folder_get_class_list(void)
  89 {
  90         return classlist;
  91 }
  92
  93 void folder_register_class(FolderClass *klass)
  94 {
  95         debug_print("registering folder class %s\n", klass->idstr);
  96         classlist = g_slist_append(classlist, klass);
  97 }
  98
  99 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 100 {
 101         Folder *folder = NULL;
 102         FolderItem *item;
 103
 104         g_return_val_if_fail(klass != NULL, NULL);
 105
 106         name = name ? name : path;
 107         folder = klass->new_folder(name, path);
 108
 109         /* Create root folder item */
 110         item = folder_item_new(folder, name, NULL);
 111         item->folder = folder;
 112         folder->node = g_node_new(item);
 113         folder->data = NULL;
 114
 115         return folder;
 116 }
 117
 118 static void folder_init(Folder *folder, const gchar *name)
 119 {
 120         g_return_if_fail(folder != NULL);
 121
 122         folder_set_name(folder, name);
 123
 124         /* Init folder data */
 125         folder->account = NULL;
 126         folder->inbox = NULL;
 127         folder->outbox = NULL;
 128         folder->draft = NULL;
 129         folder->queue = NULL;
 130         folder->trash = NULL;
 131 }
 132
 133 void folder_local_folder_init(Folder *folder, const gchar *name,
 134                               const gchar *path)
 135 {
 136         folder_init(folder, name);
 137         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
 138 }
 139
 140 void folder_remote_folder_init(Folder *folder, const gchar *name,
 141                                const gchar *path)
 142 {
 143         folder_init(folder, name);
 144         REMOTE_FOLDER(folder)->session = NULL;
 145 }
 146
 147 void folder_destroy(Folder *folder)
 148 {
 149         g_return_if_fail(folder != NULL);
 150         g_return_if_fail(folder->klass->destroy_folder != NULL);
 151
 152         folder_list = g_list_remove(folder_list, folder);
 153
 154         folder_tree_destroy(folder);
 155
 156         folder->klass->destroy_folder(folder);
 157
 158         g_free(folder->name);
 159         g_free(folder);
 160 }
 161
 162 void folder_local_folder_destroy(LocalFolder *lfolder)
 163 {
 164         g_return_if_fail(lfolder != NULL);
 165
 166         g_free(lfolder->rootpath);
 167 }
 168
 169 void folder_remote_folder_destroy(RemoteFolder *rfolder)
 170 {
 171         g_return_if_fail(rfolder != NULL);
 172
 173         if (rfolder->session)
 174                 session_destroy(rfolder->session);
 175 }
 176
 177 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 178 {
 179         FolderItem *item = NULL;
 180
 181         if (folder->klass->item_new) {
 182                 item = folder->klass->item_new(folder);
 183         } else {
 184                 item = g_new0(FolderItem, 1);
 185         }
 186
 187         g_return_val_if_fail(item != NULL, NULL);
 188
 189         item->stype = F_NORMAL;
 190         item->name = g_strdup(name);
 191         item->path = g_strdup(path);
 192         item->mtime = 0;
 193         item->new_msgs = 0;
 194         item->unread_msgs = 0;
 195         item->unreadmarked_msgs = 0;
 196         item->total_msgs = 0;
 197         item->last_num = -1;
 198         item->cache = NULL;
 199         item->no_sub = FALSE;
 200         item->no_select = FALSE;
 201         item->collapsed = FALSE;
 202         item->thread_collapsed = FALSE;
 203         item->threaded  = TRUE;
 204         item->ret_rcpt  = FALSE;
 205         item->opened    = FALSE;
 206         item->parent = NULL;
 207         item->folder = NULL;
 208         item->account = NULL;
 209         item->apply_sub = FALSE;
 210         item->mark_queue = NULL;
 211         item->data = NULL;
 212
 213         item->prefs = prefs_folder_item_new();
 214
 215         return item;
 216 }
 217
 218 void folder_item_append(FolderItem *parent, FolderItem *item)
 219 {
 220         GNode *node;
 221
 222         g_return_if_fail(parent != NULL);
 223         g_return_if_fail(parent->folder != NULL);
 224         g_return_if_fail(item != NULL);
 225
 226         node = parent->folder->node;
 227         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 228         g_return_if_fail(node != NULL);
 229
 230         item->parent = parent;
 231         item->folder = parent->folder;
 232         g_node_append_data(node, item);
 233 }
 234
 235 void folder_item_remove(FolderItem *item)
 236 {
 237         GNode *node;
 238
 239         g_return_if_fail(item != NULL);
 240         g_return_if_fail(item->folder != NULL);
 241
 242         node = item->folder->node;
 243         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 244         g_return_if_fail(node != NULL);
 245
 246         /* TODO: free all FolderItem's first */
 247         if (item->folder->node == node)
 248                 item->folder->node = NULL;
 249         g_node_destroy(node);
 250 }
 251
 252 void folder_item_destroy(FolderItem *item)
 253 {
 254         g_return_if_fail(item != NULL);
 255
 256         debug_print("Destroying folder item %s\n", item->path);
 257
 258         if (item->cache)
 259                 folder_item_free_cache(item);
 260         g_free(item->name);
 261         g_free(item->path);
 262
 263         if (item->folder != NULL) {
 264                 if(item->folder->klass->item_destroy) {
 265                         item->folder->klass->item_destroy(item->folder, item);
 266                 } else {
 267                         g_free(item);
 268                 }
 269         }
 270 }
 271
 272 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 273 {
 274         g_return_if_fail(folder != NULL);
 275
 276         folder->ui_func = func;
 277         folder->ui_func_data = data;
 278 }
 279
 280 void folder_set_name(Folder *folder, const gchar *name)
 281 {
 282         g_return_if_fail(folder != NULL);
 283
 284         g_free(folder->name);
 285         folder->name = name ? g_strdup(name) : NULL;
 286         if (folder->node && folder->node->data) {
 287                 FolderItem *item = (FolderItem *)folder->node->data;
 288
 289                 g_free(item->name);
 290                 item->name = name ? g_strdup(name) : NULL;
 291         }
 292 }
 293
 294 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 295         FolderItem *item = (FolderItem *) node->data;
 296
 297         folder_item_destroy(item);
 298         return FALSE;
 299 }
 300
 301 void folder_tree_destroy(Folder *folder)
 302 {
 303         g_return_if_fail(folder != NULL);
 304         g_return_if_fail(folder->node != NULL);
 305
 306         prefs_scoring_clear_folder(folder);
 307         prefs_filtering_clear_folder(folder);
 308
 309         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 310         if (folder->node)
 311                 g_node_destroy(folder->node);
 312
 313         folder->inbox = NULL;
 314         folder->outbox = NULL;
 315         folder->draft = NULL;
 316         folder->queue = NULL;
 317         folder->trash = NULL;
 318         folder->node = NULL;
 319 }
 320
 321 void folder_add(Folder *folder)
 322 {
 323         Folder *cur_folder;
 324         GList *cur;
 325         gint i;
 326
 327         g_return_if_fail(folder != NULL);
 328
 329         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 330                 cur_folder = FOLDER(cur->data);
 331                 if (FOLDER_TYPE(folder) == F_MH) {
 332                         if (FOLDER_TYPE(cur_folder) != F_MH) break;
 333                 } else if (FOLDER_TYPE(folder) == F_MBOX) {
 334                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 335                             FOLDER_TYPE(cur_folder) != F_MBOX) break;
 336                 } else if (FOLDER_TYPE(folder) == F_IMAP) {
 337                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 338                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 339                             FOLDER_TYPE(cur_folder) != F_IMAP) break;
 340                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
 341                         if (FOLDER_TYPE(cur_folder) != F_MH &&
 342                             FOLDER_TYPE(cur_folder) != F_MBOX &&
 343                             FOLDER_TYPE(cur_folder) != F_IMAP &&
 344                             FOLDER_TYPE(cur_folder) != F_NEWS) break;
 345                 }
 346         }
 347
 348         folder_list = g_list_insert(folder_list, folder, i);
 349 }
 350
 351 GList *folder_get_list(void)
 352 {
 353         return folder_list;
 354 }
 355
 356 gint folder_read_list(void)
 357 {
 358         GNode *node;
 359         XMLNode *xmlnode;
 360         gchar *path;
 361
 362         path = folder_get_list_path();
 363         if (!is_file_exist(path)) return -1;
 364         node = xml_parse_file(path);
 365         if (!node) return -1;
 366
 367         xmlnode = node->data;
 368         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 369                 g_warning("wrong folder list\n");
 370                 xml_free_tree(node);
 371                 return -1;
 372         }
 373
 374         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 375                         folder_read_folder_func, NULL);
 376
 377         xml_free_tree(node);
 378         if (folder_list)
 379                 return 0;
 380         else
 381                 return -1;
 382 }
 383
 384 void folder_write_list(void)
 385 {
 386         GList *list;
 387         Folder *folder;
 388         gchar *path;
 389         PrefFile *pfile;
 390
 391         path = folder_get_list_path();
 392         if ((pfile = prefs_write_open(path)) == NULL) return;
 393
 394         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 395                 conv_get_current_charset_str());
 396         fputs("\n<folderlist>\n", pfile->fp);
 397
 398         for (list = folder_list; list != NULL; list = list->next) {
 399                 folder = list->data;
 400                 folder_write_list_recursive(folder->node, pfile->fp);
 401         }
 402
 403         fputs("</folderlist>\n", pfile->fp);
 404
 405         if (prefs_file_close(pfile) < 0)
 406                 g_warning("failed to write folder list.\n");
 407 }
 408
 409 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 410 {
 411         GHashTable *pptable = (GHashTable *)data;
 412         FolderItem *item = (FolderItem *)node->data;
 413
 414         folder_item_restore_persist_prefs(item, pptable);
 415         folder_item_scan_full(item, FALSE);
 416
 417         return FALSE;
 418 }
 419
 420 void folder_scan_tree(Folder *folder)
 421 {
 422         GHashTable *pptable;
 423         FolderUpdateData hookdata;
 424
 425         if (!folder->klass->scan_tree)
 426                 return;
 427
 428         pptable = folder_persist_prefs_new(folder);
 429
 430         /*
 431          * should be changed and tree update should be done without
 432          * destroying the tree first
 433          */
 434         folder_tree_destroy(folder);
 435         folder->klass->scan_tree(folder);
 436
 437         hookdata.folder = folder;
 438         hookdata.update_flags = FOLDER_TREE_CHANGED;
 439         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 440
 441         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 442         folder_persist_prefs_free(pptable);
 443
 444         prefs_matcher_read_config();
 445
 446         folder_write_list();
 447 }
 448
 449 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 450 {
 451         FolderItem *new_item;
 452
 453         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 454         if (new_item)
 455                 new_item->cache = msgcache_new();
 456
 457         return new_item;
 458 }
 459
 460 struct TotalMsgCount
 461 {
 462         guint new_msgs;
 463         guint unread_msgs;
 464         guint unreadmarked_msgs;
 465         guint total_msgs;
 466 };
 467
 468 struct FuncToAllFoldersData
 469 {
 470         FolderItemFunc  function;
 471         gpointer        data;
 472 };
 473
 474 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 475 {
 476         FolderItem *item;
 477         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 478
 479         g_return_val_if_fail(node->data != NULL, FALSE);
 480
 481         item = FOLDER_ITEM(node->data);
 482         g_return_val_if_fail(item != NULL, FALSE);
 483
 484         function_data->function(item, function_data->data);
 485
 486         return FALSE;
 487 }
 488
 489 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 490 {
 491         GList *list;
 492         Folder *folder;
 493         struct FuncToAllFoldersData function_data;
 494
 495         function_data.function = function;
 496         function_data.data = data;
 497
 498         for (list = folder_list; list != NULL; list = list->next) {
 499                 folder = FOLDER(list->data);
 500                 if (folder->node)
 501                         g_node_traverse(folder->node, G_PRE_ORDER,
 502                                         G_TRAVERSE_ALL, -1,
 503                                         folder_func_to_all_folders_func,
 504                                         &function_data);
 505         }
 506 }
 507
 508 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 509 {
 510         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 511
 512         count->new_msgs += item->new_msgs;
 513         count->unread_msgs += item->unread_msgs;
 514         count->unreadmarked_msgs += item->unreadmarked_msgs;
 515         count->total_msgs += item->total_msgs;
 516 }
 517
 518 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs, guint *unreadmarked_msgs, guint *total_msgs)
 519 {
 520         struct TotalMsgCount count;
 521
 522         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = count.total_msgs = 0;
 523
 524         debug_print("Counting total number of messages...\n");
 525
 526         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 527
 528         *new_msgs = count.new_msgs;
 529         *unread_msgs = count.unread_msgs;
 530         *unreadmarked_msgs = count.unreadmarked_msgs;
 531         *total_msgs = count.total_msgs;
 532 }
 533
 534 Folder *folder_find_from_path(const gchar *path)
 535 {
 536         GList *list;
 537         Folder *folder;
 538
 539         for (list = folder_list; list != NULL; list = list->next) {
 540                 folder = list->data;
 541                 if ((FOLDER_TYPE(folder) == F_MH || FOLDER_TYPE(folder) == F_MBOX) &&
 542                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 543                         return folder;
 544         }
 545
 546         return NULL;
 547 }
 548
 549 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
 550 {
 551         GList *list;
 552         Folder *folder;
 553
 554         for (list = folder_list; list != NULL; list = list->next) {
 555                 folder = list->data;
 556                 if (folder->klass == klass && strcmp2(name, folder->name) == 0)
 557                         return folder;
 558         }
 559
 560         return NULL;
 561 }
 562
 563 static gboolean folder_item_find_func(GNode *node, gpointer data)
 564 {
 565         FolderItem *item = node->data;
 566         gpointer *d = data;
 567         const gchar *path = d[0];
 568
 569         if (path_cmp(path, item->path) != 0)
 570                 return FALSE;
 571
 572         d[1] = item;
 573
 574         return TRUE;
 575 }
 576
 577 FolderItem *folder_find_item_from_path(const gchar *path)
 578 {
 579         Folder *folder;
 580         gpointer d[2];
 581
 582         folder = folder_get_default_folder();
 583         g_return_val_if_fail(folder != NULL, NULL);
 584
 585         d[0] = (gpointer)path;
 586         d[1] = NULL;
 587         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 588                         folder_item_find_func, d);
 589         return d[1];
 590 }
 591
 592 FolderClass *folder_get_class_from_string(const gchar *str)
 593 {
 594         GSList *classlist;
 595
 596         classlist = folder_get_class_list();
 597         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
 598                 FolderClass *class = (FolderClass *) classlist->data;
 599                 if (g_strcasecmp(class->idstr, str) == 0)
 600                         return class;
 601         }
 602
 603         return NULL;
 604 }
 605
 606 gchar *folder_get_identifier(Folder *folder)
 607 {
 608         gchar *type_str;
 609
 610         g_return_val_if_fail(folder != NULL, NULL);
 611
 612         type_str = folder->klass->idstr;
 613         return g_strconcat("#", type_str, "/", folder->name, NULL);
 614 }
 615
 616 gchar *folder_item_get_identifier(FolderItem *item)
 617 {
 618         gchar *id;
 619         gchar *folder_id;
 620
 621         g_return_val_if_fail(item != NULL, NULL);
 622         g_return_val_if_fail(item->path != NULL, NULL);
 623
 624         folder_id = folder_get_identifier(item->folder);
 625         id = g_strconcat(folder_id, "/", item->path, NULL);
 626         g_free(folder_id);
 627
 628         return id;
 629 }
 630
 631 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 632 {
 633         Folder *folder;
 634         gpointer d[2];
 635         gchar *str;
 636         gchar *p;
 637         gchar *name;
 638         gchar *path;
 639         FolderClass *class;
 640
 641         g_return_val_if_fail(identifier != NULL, NULL);
 642
 643         if (*identifier != '#')
 644                 return folder_find_item_from_path(identifier);
 645
 646         Xstrdup_a(str, identifier, return NULL);
 647
 648         p = strchr(str, '/');
 649         if (!p)
 650                 return folder_find_item_from_path(identifier);
 651         *p = '\0';
 652         p++;
 653         class = folder_get_class_from_string(&str[1]);
 654         if (class == NULL)
 655                 return folder_find_item_from_path(identifier);
 656
 657         name = p;
 658         p = strchr(p, '/');
 659         if (!p)
 660                 return folder_find_item_from_path(identifier);
 661         *p = '\0';
 662         p++;
 663
 664         folder = folder_find_from_name(name, class);
 665         if (!folder)
 666                 return folder_find_item_from_path(identifier);
 667
 668         path = p;
 669
 670         d[0] = (gpointer)path;
 671         d[1] = NULL;
 672         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 673                         folder_item_find_func, d);
 674         return d[1];
 675 }
 676
 677 /**
 678  * Get a displayable name for a FolderItem
 679  *
 680  * \param item FolderItem for that a name should be created
 681  * \return Displayable name for item, returned string has to
 682  *         be freed
 683  */
 684 gchar *folder_item_get_name(FolderItem *item)
 685 {
 686         gchar *name = NULL;
 687
 688         switch (item->stype) {
 689         case F_INBOX:
 690                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
 691                                 item->name);
 692                 break;
 693         case F_OUTBOX:
 694                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
 695                                 item->name);
 696                 break;
 697         case F_QUEUE:
 698                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
 699                                 item->name);
 700                 break;
 701         case F_TRASH:
 702                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
 703                                 item->name);
 704                 break;
 705         case F_DRAFT:
 706                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
 707                                 item->name);
 708                 break;
 709         default:
 710                 break;
 711         }
 712
 713         if (name == NULL) {
 714                 /*
 715                  * should probably be done by a virtual function,
 716                  * the folder knows the ui string and how to abbrev
 717                 */
 718                 if (!item->parent) {
 719                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
 720                 } else {
 721                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
 722                             item->path && !strcmp2(item->name, item->path))
 723                                 name = get_abbrev_newsgroup_name
 724                                         (item->path,
 725                                          prefs_common.ng_abbrev_len);
 726                         else
 727                                 name = g_strdup(item->name);
 728                 }
 729         }
 730
 731         if (name == NULL)
 732                 name = g_strdup("");
 733
 734         return name;
 735 }
 736
 737 Folder *folder_get_default_folder(void)
 738 {
 739         return folder_list ? FOLDER(folder_list->data) : NULL;
 740 }
 741
 742 FolderItem *folder_get_default_inbox(void)
 743 {
 744         Folder *folder;
 745
 746         if (!folder_list) return NULL;
 747         folder = FOLDER(folder_list->data);
 748         g_return_val_if_fail(folder != NULL, NULL);
 749         return folder->inbox;
 750 }
 751
 752 FolderItem *folder_get_default_outbox(void)
 753 {
 754         Folder *folder;
 755
 756         if (!folder_list) return NULL;
 757         folder = FOLDER(folder_list->data);
 758         g_return_val_if_fail(folder != NULL, NULL);
 759         return folder->outbox;
 760 }
 761
 762 FolderItem *folder_get_default_draft(void)
 763 {
 764         Folder *folder;
 765
 766         if (!folder_list) return NULL;
 767         folder = FOLDER(folder_list->data);
 768         g_return_val_if_fail(folder != NULL, NULL);
 769         return folder->draft;
 770 }
 771
 772 FolderItem *folder_get_default_queue(void)
 773 {
 774         Folder *folder;
 775
 776         if (!folder_list) return NULL;
 777         folder = FOLDER(folder_list->data);
 778         g_return_val_if_fail(folder != NULL, NULL);
 779         return folder->queue;
 780 }
 781
 782 FolderItem *folder_get_default_trash(void)
 783 {
 784         Folder *folder;
 785
 786         if (!folder_list) return NULL;
 787         folder = FOLDER(folder_list->data);
 788         g_return_val_if_fail(folder != NULL, NULL);
 789         return folder->trash;
 790 }
 791
 792 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 793 {                                                               \
 794         if (!folder->member) {                                  \
 795                 item = folder_item_new(folder, dir, dir);       \
 796                 item->stype = type;                             \
 797                 folder_item_append(rootitem, item);             \
 798                 folder->member = item;                          \
 799         }                                                       \
 800 }
 801
 802 void folder_set_missing_folders(void)
 803 {
 804         Folder *folder;
 805         FolderItem *rootitem;
 806         FolderItem *item;
 807         GList *list;
 808
 809         for (list = folder_list; list != NULL; list = list->next) {
 810                 folder = list->data;
 811                 if (FOLDER_TYPE(folder) != F_MH) continue;
 812                 rootitem = FOLDER_ITEM(folder->node->data);
 813                 g_return_if_fail(rootitem != NULL);
 814
 815                 if (folder->inbox && folder->outbox && folder->draft &&
 816                     folder->queue && folder->trash)
 817                         continue;
 818
 819                 if (folder->klass->create_tree(folder) < 0) {
 820                         g_warning("%s: can't create the folder tree.\n",
 821                                   LOCAL_FOLDER(folder)->rootpath);
 822                         continue;
 823                 }
 824
 825                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 826                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 827                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 828                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 829                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 830         }
 831 }
 832
 833 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 834 {
 835         FolderItem *item = node->data;
 836         PrefsAccount *account = data;
 837
 838         if (item->account == account)
 839                 item->account = NULL;
 840
 841         return FALSE;
 842 }
 843
 844 void folder_unref_account_all(PrefsAccount *account)
 845 {
 846         Folder *folder;
 847         GList *list;
 848
 849         if (!account) return;
 850
 851         for (list = folder_list; list != NULL; list = list->next) {
 852                 folder = list->data;
 853                 if (folder->account == account)
 854                         folder->account = NULL;
 855                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 856                                 folder_unref_account_func, account);
 857         }
 858 }
 859
 860 #undef CREATE_FOLDER_IF_NOT_EXIST
 861
 862 gchar *folder_item_get_path(FolderItem *item)
 863 {
 864         Folder *folder;
 865
 866         g_return_val_if_fail(item != NULL, NULL);
 867         folder = item->folder;
 868         g_return_val_if_fail(folder != NULL, NULL);
 869
 870         return folder->klass->item_get_path(folder, item);
 871 }
 872
 873 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 874 {
 875         if (!(dest->stype == F_OUTBOX ||
 876               dest->stype == F_QUEUE  ||
 877               dest->stype == F_DRAFT  ||
 878               dest->stype == F_TRASH)) {
 879                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 880         } else {
 881                 flags->perm_flags = 0;
 882         }
 883         flags->tmp_flags = MSG_CACHED;
 884         if (FOLDER_TYPE(dest->folder) == F_MH) {
 885                 if (dest->stype == F_QUEUE) {
 886                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 887                 } else if (dest->stype == F_DRAFT) {
 888                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 889                 }
 890         }
 891 }
 892
 893 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 894 {
 895         MsgInfo *msginfo_a = (MsgInfo *) a;
 896         MsgInfo *msginfo_b = (MsgInfo *) b;
 897
 898         return (msginfo_a->msgnum - msginfo_b->msgnum);
 899 }
 900
 901 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 902 {
 903         guint gint_a = GPOINTER_TO_INT(a);
 904         guint gint_b = GPOINTER_TO_INT(b);
 905
 906         return (gint_a - gint_b);
 907 }
 908
 909 gint folder_item_open(FolderItem *item)
 910 {
 911         if(((FOLDER_TYPE(item->folder) == F_IMAP) && !item->no_select) || (FOLDER_TYPE(item->folder) == F_NEWS)) {
 912                 folder_item_scan_full(item, TRUE);
 913         }
 914
 915         /* Processing */
 916         if(item->prefs->processing != NULL) {
 917                 gchar *buf;
 918
 919                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
 920                 debug_print("%s\n", buf);
 921                 g_free(buf);
 922
 923                 folder_item_apply_processing(item);
 924
 925                 debug_print("done.\n");
 926         }
 927
 928         return 0;
 929 }
 930
 931 void folder_item_close(FolderItem *item)
 932 {
 933         GSList *mlist, *cur;
 934
 935         g_return_if_fail(item != NULL);
 936
 937         if (item->new_msgs) {
 938                 folder_item_update_freeze();
 939                 mlist = folder_item_get_msg_list(item);
 940                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
 941                         MsgInfo * msginfo;
 942
 943                         msginfo = (MsgInfo *) cur->data;
 944                         if (MSG_IS_NEW(msginfo->flags))
 945                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
 946                         procmsg_msginfo_free(msginfo);
 947                 }
 948                 g_slist_free(mlist);
 949                 folder_item_update_thaw();
 950         }
 951
 952         folder_item_write_cache(item);
 953
 954         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
 955 }
 956
 957 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
 958 {
 959         Folder *folder;
 960         GSList *folder_list = NULL, *cache_list = NULL;
 961         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
 962         GSList *exists_list = NULL, *elem;
 963         GSList *newmsg_list = NULL;
 964         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
 965         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
 966         gboolean update_flags = 0;
 967
 968         g_return_val_if_fail(item != NULL, -1);
 969         if (item->path == NULL) return -1;
 970
 971         folder = item->folder;
 972
 973         g_return_val_if_fail(folder != NULL, -1);
 974         g_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
 975
 976         debug_print("Scanning folder %s for cache changes.\n", item->path);
 977
 978         /* Get list of messages for folder and cache */
 979         if (folder->klass->get_num_list(item->folder, item, &folder_list) < 0) {
 980                 debug_print("Error fetching list of message numbers\n");
 981                 return(-1);
 982         }
 983
 984         if (!folder->klass->check_msgnum_validity ||
 985             folder->klass->check_msgnum_validity(folder, item)) {
 986                 if (!item->cache)
 987                         folder_item_read_cache(item);
 988                 cache_list = msgcache_get_msg_list(item->cache);
 989         } else {
 990                 if (item->cache)
 991                         msgcache_destroy(item->cache);
 992                 item->cache = msgcache_new();
 993                 cache_list = NULL;
 994         }
 995
 996         /* Sort both lists */
 997         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
 998         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
 999
1000         cache_list_cur = cache_list;
1001         folder_list_cur = folder_list;
1002
1003         if (cache_list_cur != NULL) {
1004                 GSList *cache_list_last;
1005
1006                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1007                 cache_list_last = g_slist_last(cache_list);
1008                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1009         } else {
1010                 cache_cur_num = G_MAXINT;
1011                 cache_max_num = 0;
1012         }
1013
1014         if (folder_list_cur != NULL) {
1015                 GSList *folder_list_last;
1016
1017                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1018                 folder_list_last = g_slist_last(folder_list);
1019                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1020         } else {
1021                 folder_cur_num = G_MAXINT;
1022                 folder_max_num = 0;
1023         }
1024
1025         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1026                 /*
1027                  *  Message only exists in the folder
1028                  *  Remember message for fetching
1029                  */
1030                 if (folder_cur_num < cache_cur_num) {
1031                         gboolean add = FALSE;
1032
1033                         switch(FOLDER_TYPE(folder)) {
1034                                 case F_NEWS:
1035                                         if (folder_cur_num < cache_max_num)
1036                                                 break;
1037
1038                                         if (folder->account->max_articles == 0) {
1039                                                 add = TRUE;
1040                                         }
1041
1042                                         if (folder_max_num <= folder->account->max_articles) {
1043                                                 add = TRUE;
1044                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
1045                                                 add = TRUE;
1046                                         }
1047                                         break;
1048                                 default:
1049                                         add = TRUE;
1050                                         break;
1051                         }
1052
1053                         if (add) {
1054                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1055                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1056                         }
1057
1058                         /* Move to next folder number */
1059                         folder_list_cur = folder_list_cur->next;
1060
1061                         if (folder_list_cur != NULL)
1062                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1063                         else
1064                                 folder_cur_num = G_MAXINT;
1065
1066                         continue;
1067                 }
1068
1069                 /*
1070                  *  Message only exists in the cache
1071                  *  Remove the message from the cache
1072                  */
1073                 if (cache_cur_num < folder_cur_num) {
1074                         msgcache_remove_msg(item->cache, cache_cur_num);
1075                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1076
1077                         /* Move to next cache number */
1078                         cache_list_cur = cache_list_cur->next;
1079
1080                         if (cache_list_cur != NULL)
1081                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1082                         else
1083                                 cache_cur_num = G_MAXINT;
1084
1085                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1086
1087                         continue;
1088                 }
1089
1090                 /*
1091                  *  Message number exists in folder and cache!
1092                  *  Check if the message has been modified
1093                  */
1094                 if (cache_cur_num == folder_cur_num) {
1095                         MsgInfo *msginfo;
1096
1097                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1098                         if (folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
1099                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1100                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
1101                                 procmsg_msginfo_free(msginfo);
1102
1103                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
1104                         } else
1105                                 exists_list = g_slist_prepend(exists_list, msginfo);
1106
1107                         /* Move to next folder and cache number */
1108                         cache_list_cur = cache_list_cur->next;
1109                         folder_list_cur = folder_list_cur->next;
1110
1111                         if (cache_list_cur != NULL)
1112                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1113                         else
1114                                 cache_cur_num = G_MAXINT;
1115
1116                         if (folder_list_cur != NULL)
1117                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1118                         else
1119                                 folder_cur_num = G_MAXINT;
1120
1121                         continue;
1122                 }
1123         }
1124
1125         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
1126                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1127
1128         g_slist_free(cache_list);
1129         g_slist_free(folder_list);
1130
1131         if (new_list != NULL) {
1132                 if (folder->klass->get_msginfos) {
1133                         newmsg_list = folder->klass->get_msginfos(folder, item, new_list);
1134                 } else if (folder->klass->get_msginfo) {
1135                         GSList *elem;
1136
1137                         for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1138                                 MsgInfo *msginfo;
1139                                 guint num;
1140
1141                                 num = GPOINTER_TO_INT(elem->data);
1142                                 msginfo = folder->klass->get_msginfo(folder, item, num);
1143                                 if (msginfo != NULL) {
1144                                         newmsg_list = g_slist_prepend(newmsg_list, msginfo);
1145                                         debug_print("Added newly found message %d to cache.\n", num);
1146                                 }
1147                         }
1148                 }
1149                 g_slist_free(new_list);
1150         }
1151
1152         if (newmsg_list != NULL) {
1153                 GSList *elem;
1154
1155                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1156                         MsgInfo *msginfo = (MsgInfo *) elem->data;
1157
1158                         msgcache_add_msg(item->cache, msginfo);
1159                         if ((filtering == TRUE) &&
1160                             (item->stype == F_INBOX) &&
1161                             (item->folder->account != NULL) &&
1162                             (item->folder->account->filter_on_recv) &&
1163                             procmsg_msginfo_filter(msginfo))
1164                                 procmsg_msginfo_free(msginfo);
1165                         else
1166                                 exists_list = g_slist_prepend(exists_list, msginfo);
1167                 }
1168                 g_slist_free(newmsg_list);
1169
1170                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
1171         }
1172
1173         folder_item_update_freeze();
1174         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
1175                 MsgInfo *msginfo;
1176
1177                 msginfo = elem->data;
1178                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1179                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1180                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
1181                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1182                         procmsg_msginfo_set_flags(msginfo, MSG_IGNORE_THREAD, 0);
1183                 }
1184                 if ((item->stype == F_OUTBOX ||
1185                      item->stype == F_QUEUE  ||
1186                      item->stype == F_DRAFT  ||
1187                      item->stype == F_TRASH) &&
1188                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
1189                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
1190                 if (MSG_IS_NEW(msginfo->flags))
1191                         newcnt++;
1192                 if (MSG_IS_UNREAD(msginfo->flags))
1193                         unreadcnt++;
1194                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1195                         unreadmarkedcnt++;
1196                 totalcnt++;
1197
1198                 procmsg_msginfo_free(msginfo);
1199         }
1200         g_slist_free(exists_list);
1201
1202         item->new_msgs = newcnt;
1203         item->unread_msgs = unreadcnt;
1204         item->total_msgs = totalcnt;
1205         item->unreadmarked_msgs = unreadmarkedcnt;
1206
1207         update_flags |= F_ITEM_UPDATE_MSGCNT;
1208
1209         folder_item_update(item, update_flags);
1210         folder_item_update_thaw();
1211
1212         return 0;
1213 }
1214
1215 gint folder_item_scan(FolderItem *item)
1216 {
1217         return folder_item_scan_full(item, TRUE);
1218 }
1219
1220 static gboolean folder_scan_all_items_func(GNode *node, gpointer data)
1221 {
1222         FolderItem *item = node->data;
1223
1224         folder_item_scan(item);
1225
1226         return FALSE;
1227 }
1228
1229 void folder_scan_all_items(Folder * folder)
1230 {
1231         g_node_traverse(folder->node, G_PRE_ORDER,
1232                         G_TRAVERSE_ALL, -1, folder_scan_all_items_func, NULL);
1233 }
1234
1235 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1236                                           gpointer data)
1237 {
1238         folder_item_scan(FOLDER_ITEM(key));
1239 }
1240
1241 void folder_item_scan_foreach(GHashTable *table)
1242 {
1243         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1244 }
1245
1246 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1247 {
1248         gint *memusage = (gint *)data;
1249
1250         if (item->cache == NULL)
1251                 return;
1252
1253         *memusage += msgcache_get_memory_usage(item->cache);
1254 }
1255
1256 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1257 {
1258         FolderItem *fa = (FolderItem *)a;
1259         FolderItem *fb = (FolderItem *)b;
1260
1261         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1262 }
1263
1264 void folder_find_expired_caches(FolderItem *item, gpointer data)
1265 {
1266         GSList **folder_item_list = (GSList **)data;
1267         gint difftime, expiretime;
1268
1269         if (item->cache == NULL)
1270                 return;
1271
1272         if (item->opened > 0)
1273                 return;
1274
1275         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1276         expiretime = prefs_common.cache_min_keep_time * 60;
1277         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1278         if (difftime > expiretime) {
1279                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1280         }
1281 }
1282
1283 void folder_item_free_cache(FolderItem *item)
1284 {
1285         g_return_if_fail(item != NULL);
1286
1287         if (item->cache == NULL)
1288                 return;
1289
1290         if (item->opened > 0)
1291                 return;
1292
1293         folder_item_write_cache(item);
1294         msgcache_destroy(item->cache);
1295         item->cache = NULL;
1296 }
1297
1298 void folder_clean_cache_memory(void)
1299 {
1300         gint memusage = 0;
1301
1302         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1303         debug_print("Total cache memory usage: %d\n", memusage);
1304
1305         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1306                 GSList *folder_item_list = NULL, *listitem;
1307
1308                 debug_print("Trying to free cache memory\n");
1309
1310                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1311                 listitem = folder_item_list;
1312                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1313                         FolderItem *item = (FolderItem *)(listitem->data);
1314
1315                         debug_print("Freeing cache memory for %s\n", item->path);
1316                         memusage -= msgcache_get_memory_usage(item->cache);
1317                         folder_item_free_cache(item);
1318                         listitem = listitem->next;
1319                 }
1320                 g_slist_free(folder_item_list);
1321         }
1322 }
1323
1324 void folder_item_read_cache(FolderItem *item)
1325 {
1326         gchar *cache_file, *mark_file;
1327
1328         g_return_if_fail(item != NULL);
1329
1330         cache_file = folder_item_get_cache_file(item);
1331         mark_file = folder_item_get_mark_file(item);
1332         item->cache = msgcache_read_cache(item, cache_file);
1333         if (!item->cache) {
1334                 item->cache = msgcache_new();
1335                 folder_item_scan_full(item, TRUE);
1336         }
1337         msgcache_read_mark(item->cache, mark_file);
1338         g_free(cache_file);
1339         g_free(mark_file);
1340
1341         folder_clean_cache_memory();
1342 }
1343
1344 void folder_item_write_cache(FolderItem *item)
1345 {
1346         gchar *cache_file, *mark_file;
1347         PrefsFolderItem *prefs;
1348         gint filemode = 0;
1349         gchar *id;
1350
1351         if (!item || !item->path || !item->cache)
1352                 return;
1353
1354         id = folder_item_get_identifier(item);
1355         debug_print("Save cache for folder %s\n", id);
1356         g_free(id);
1357
1358         cache_file = folder_item_get_cache_file(item);
1359         mark_file = folder_item_get_mark_file(item);
1360         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1361                 prefs = item->prefs;
1362                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1363                         /* for cache file */
1364                         filemode = prefs->folder_chmod;
1365                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1366                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1367                         chmod(cache_file, filemode);
1368                 }
1369         }
1370
1371         g_free(cache_file);
1372         g_free(mark_file);
1373 }
1374
1375 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
1376 {
1377         Folder *folder;
1378         MsgInfo *msginfo;
1379
1380         g_return_val_if_fail(item != NULL, NULL);
1381
1382         folder = item->folder;
1383         if (!item->cache)
1384                 folder_item_read_cache(item);
1385
1386         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1387                 return msginfo;
1388
1389         g_return_val_if_fail(folder->klass->get_msginfo, NULL);
1390         if ((msginfo = folder->klass->get_msginfo(folder, item, num)) != NULL) {
1391                 msgcache_add_msg(item->cache, msginfo);
1392                 return msginfo;
1393         }
1394
1395         return NULL;
1396 }
1397
1398 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
1399 {
1400         Folder *folder;
1401         MsgInfo *msginfo;
1402
1403         g_return_val_if_fail(item != NULL, NULL);
1404
1405         folder = item->folder;
1406         if (!item->cache)
1407                 folder_item_read_cache(item);
1408
1409         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1410                 return msginfo;
1411
1412         return NULL;
1413 }
1414
1415 GSList *folder_item_get_msg_list(FolderItem *item)
1416 {
1417         g_return_val_if_fail(item != NULL, NULL);
1418
1419         if (item->cache == 0)
1420                 folder_item_read_cache(item);
1421
1422         g_return_val_if_fail(item->cache != NULL, NULL);
1423
1424         return msgcache_get_msg_list(item->cache);
1425 }
1426
1427 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1428 {
1429         Folder *folder;
1430
1431         g_return_val_if_fail(item != NULL, NULL);
1432
1433         folder = item->folder;
1434
1435         g_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
1436
1437         return folder->klass->fetch_msg(folder, item, num);
1438 }
1439
1440 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
1441 {
1442         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
1443                                        {NULL,           NULL, FALSE}};
1444         FILE *fp;
1445         MsgInfo *msginfo;
1446         gint msgnum = 0;
1447         gchar buf[BUFFSIZE];
1448
1449         if ((fp = fopen(file, "rb")) == NULL)
1450                 return 0;
1451
1452         if ((dest->stype == F_QUEUE) || (dest->stype == F_DRAFT))
1453                 while (fgets(buf, sizeof(buf), fp) != NULL)
1454                         if (buf[0] == '\r' || buf[0] == '\n') break;
1455
1456         procheader_get_header_fields(fp, hentry);
1457         if (hentry[0].body) {
1458                 extract_parenthesis(hentry[0].body, '<', '>');
1459                 remove_space(hentry[0].body);
1460                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
1461                         msgnum = msginfo->msgnum;
1462                         procmsg_msginfo_free(msginfo);
1463
1464                         debug_print("found message as uid %d\n", msgnum);
1465                 }
1466         }
1467
1468         g_free(hentry[0].body);
1469         hentry[0].body = NULL;
1470         fclose(fp);
1471
1472         return msgnum;
1473 }
1474
1475 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
1476 {
1477         MsgPermFlags perm_flags = 0;
1478         MsgTmpFlags tmp_flags = 0;
1479
1480         /* create new flags */
1481         if (source != NULL) {
1482                 /* copy original flags */
1483                 perm_flags = source->flags.perm_flags;
1484                 tmp_flags = source->flags.tmp_flags;
1485         } else {
1486                 perm_flags = dest->flags.perm_flags;
1487                 tmp_flags = dest->flags.tmp_flags;
1488         }
1489
1490         /* remove new, unread and deleted in special folders */
1491         if (dest->folder->stype == F_OUTBOX ||
1492             dest->folder->stype == F_QUEUE  ||
1493             dest->folder->stype == F_DRAFT  ||
1494             dest->folder->stype == F_TRASH)
1495                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
1496
1497         /* set ignore flag of ignored parent exists */
1498         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
1499                 perm_flags |= MSG_IGNORE_THREAD;
1500
1501         /* Unset tmp flags that should not be copied */
1502         tmp_flags &= ~(MSG_MOVE | MSG_COPY);
1503
1504         /* unset flags that are set but should not */
1505         procmsg_msginfo_unset_flags(dest,
1506                                     dest->flags.perm_flags & ~perm_flags,
1507                                     dest->flags.tmp_flags  & ~tmp_flags);
1508         /* set new flags */
1509         procmsg_msginfo_set_flags(dest,
1510                                   ~dest->flags.perm_flags & perm_flags,
1511                                   ~dest->flags.tmp_flags  & tmp_flags);
1512
1513         folder_item_update(dest->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1514 }
1515
1516 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
1517 {
1518         /* update folder stats */
1519         if (MSG_IS_NEW(newmsginfo->flags))
1520                 item->new_msgs++;
1521         if (MSG_IS_UNREAD(newmsginfo->flags))
1522                 item->unread_msgs++;
1523         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1524                 item->unreadmarked_msgs++;
1525         item->total_msgs++;
1526
1527         copy_msginfo_flags(flagsource, newmsginfo);
1528
1529         msgcache_add_msg(item->cache, newmsginfo);
1530 }
1531
1532 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
1533 {
1534         if (!item->cache)
1535             folder_item_read_cache(item);
1536
1537         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1538                 msginfo->folder->new_msgs--;
1539         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1540                 msginfo->folder->unread_msgs--;
1541         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1542                 msginfo->folder->unreadmarked_msgs--;
1543         msginfo->folder->total_msgs--;
1544
1545         msgcache_remove_msg(item->cache, msginfo->msgnum);
1546         folder_item_update(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1547 }
1548
1549 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1550                          gboolean remove_source)
1551 {
1552         Folder *folder;
1553         gint num;
1554         MsgInfo *msginfo;
1555
1556         g_return_val_if_fail(dest != NULL, -1);
1557         g_return_val_if_fail(file != NULL, -1);
1558
1559         folder = dest->folder;
1560
1561         g_return_val_if_fail(folder->klass->add_msg != NULL, -1);
1562
1563         if (!dest->cache)
1564                 folder_item_read_cache(dest);
1565
1566         num = folder->klass->add_msg(folder, dest, file, FALSE);
1567
1568         if (num > 0) {
1569                 msginfo = folder->klass->get_msginfo(folder, dest, num);
1570
1571                 if (msginfo != NULL) {
1572                         add_msginfo_to_cache(dest, msginfo, NULL);
1573                         procmsg_msginfo_free(msginfo);
1574                         folder_item_update(dest, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
1575                 }
1576
1577                 dest->last_num = num;
1578         } else if (num == 0) {
1579                 folder_item_scan_full(dest, FALSE);
1580                 num = folder_item_get_msg_num_by_file(dest, file);
1581         }
1582
1583         if (num >= 0 && remove_source) {
1584                 if (unlink(file) < 0)
1585                         FILE_OP_ERROR(file, "unlink");
1586         }
1587
1588         return num;
1589 }
1590
1591 /*
1592 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1593 {
1594         Folder *folder;
1595         gint num;
1596
1597         g_return_val_if_fail(dest != NULL, -1);
1598         g_return_val_if_fail(msginfo != NULL, -1);
1599
1600         folder = dest->folder;
1601         if (dest->last_num < 0) folder->scan(folder, dest);
1602
1603         num = folder->move_msg(folder, dest, msginfo);
1604         if (num > 0) dest->last_num = num;
1605
1606         return num;
1607 }
1608 */
1609
1610 FolderItem *folder_item_move_recursive (FolderItem *src, FolderItem *dest)
1611 {
1612         GSList *mlist;
1613         FolderItem *new_item;
1614         FolderItem *next_item;
1615         GNode *srcnode;
1616         gchar *old_id, *new_id;
1617
1618         mlist = folder_item_get_msg_list(src);
1619
1620         /* move messages */
1621         debug_print("Moving %s to %s\n", src->path, dest->path);
1622         new_item = folder_create_folder(dest, g_basename(src->path));
1623         if (new_item == NULL) {
1624                 printf("Can't create folder\n");
1625                 return NULL;
1626         }
1627
1628         if (new_item->folder == NULL)
1629                 new_item->folder = dest->folder;
1630
1631         /* move messages */
1632         log_message(_("Moving %s to %s...\n"),
1633                         src->name, new_item->path);
1634         folder_item_move_msgs_with_dest(new_item, mlist);
1635
1636         /*copy prefs*/
1637         prefs_folder_item_copy_prefs(src, new_item);
1638         new_item->collapsed = src->collapsed;
1639         new_item->thread_collapsed = src->thread_collapsed;
1640         new_item->threaded  = src->threaded;
1641         new_item->ret_rcpt  = src->ret_rcpt;
1642         new_item->hide_read_msgs = src->hide_read_msgs;
1643         new_item->sort_key  = src->sort_key;
1644         new_item->sort_type = src->sort_type;
1645
1646         prefs_matcher_write_config();
1647
1648         /* recurse */
1649         srcnode = src->folder->node;
1650         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1651         srcnode = srcnode->children;
1652         while (srcnode != NULL) {
1653                 if (srcnode && srcnode->data) {
1654                         next_item = (FolderItem*) srcnode->data;
1655                         srcnode = srcnode->next;
1656                         if (folder_item_move_recursive(next_item, new_item) == NULL)
1657                                 return NULL;
1658                 }
1659         }
1660         old_id = folder_item_get_identifier(src);
1661         new_id = folder_item_get_identifier(new_item);
1662         debug_print("updating rules : %s => %s\n", old_id, new_id);
1663
1664         src->folder->klass->remove_folder(src->folder, src);
1665         folder_write_list();
1666
1667         if (old_id != NULL && new_id != NULL)
1668                 prefs_filtering_rename_path(old_id, new_id);
1669         g_free(old_id);
1670         g_free(new_id);
1671
1672         return new_item;
1673 }
1674
1675 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
1676 {
1677         FolderItem *tmp = dest->parent;
1678         gchar * src_identifier, * dst_identifier;
1679         gchar * phys_srcpath, * phys_dstpath;
1680         GNode *src_node;
1681
1682         while (tmp) {
1683                 if (tmp == src) {
1684                         return F_MOVE_FAILED_DEST_IS_CHILD;
1685                 }
1686                 tmp = tmp->parent;
1687         }
1688
1689         tmp = src->parent;
1690
1691         src_identifier = folder_item_get_identifier(src);
1692         dst_identifier = folder_item_get_identifier(dest);
1693
1694         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
1695                 /* dest can be a root folder */
1696                 dst_identifier = folder_get_identifier(dest->folder);
1697         }
1698         if (src_identifier == NULL || dst_identifier == NULL) {
1699                 debug_print("Can't get identifiers\n");
1700                 return F_MOVE_FAILED;
1701         }
1702
1703         if (src->folder != dest->folder) {
1704                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
1705         }
1706
1707         phys_srcpath = folder_item_get_path(src);
1708         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
1709
1710         if (src->parent == dest || src == dest) {
1711                 g_free(src_identifier);
1712                 g_free(dst_identifier);
1713                 g_free(phys_srcpath);
1714                 g_free(phys_dstpath);
1715                 return F_MOVE_FAILED_DEST_IS_PARENT;
1716         }
1717         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1718         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
1719                 return F_MOVE_FAILED;
1720         }
1721
1722         /* update rules */
1723         src_node = g_node_find(src->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1724         if (src_node)
1725                 g_node_destroy(src_node);
1726         else
1727                 debug_print("can't remove node: it's null!\n");
1728         /* not to much worry if remove fails, move has been done */
1729
1730         g_free(src_identifier);
1731         g_free(dst_identifier);
1732         g_free(phys_srcpath);
1733         g_free(phys_dstpath);
1734
1735         *new_item = tmp;
1736
1737         return F_MOVE_OK;
1738 }
1739
1740 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1741 {
1742         GSList *list = NULL;
1743         gint ret;
1744
1745         list = g_slist_append(list, msginfo);
1746         ret = folder_item_move_msgs_with_dest(dest, list);
1747         g_slist_free(list);
1748
1749         return ret;
1750 }
1751
1752 /*
1753 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1754 {
1755         Folder *folder;
1756         gint num;
1757
1758         g_return_val_if_fail(dest != NULL, -1);
1759         g_return_val_if_fail(msglist != NULL, -1);
1760
1761         folder = dest->folder;
1762         if (dest->last_num < 0) folder->scan(folder, dest);
1763
1764         num = folder->move_msgs_with_dest(folder, dest, msglist);
1765         if (num > 0) dest->last_num = num;
1766         else dest->op_count = 0;
1767
1768         return num;
1769 }
1770 */
1771
1772
1773
1774 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1775 {
1776         Folder *folder;
1777         FolderItem *item;
1778         GSList *newmsgnums = NULL;
1779         GSList *l, *l2;
1780         gint num, lastnum = -1;
1781         gboolean folderscan = FALSE;
1782
1783         g_return_val_if_fail(dest != NULL, -1);
1784         g_return_val_if_fail(msglist != NULL, -1);
1785
1786         folder = dest->folder;
1787
1788         g_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
1789         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
1790
1791         /*
1792          * Copy messages to destination folder and
1793          * store new message numbers in newmsgnums
1794          */
1795         item = NULL;
1796         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1797                 MsgInfo * msginfo = (MsgInfo *) l->data;
1798
1799                 if (!item && msginfo->folder != NULL)
1800                         item = msginfo->folder;
1801
1802                 num = folder->klass->copy_msg(folder, dest, msginfo);
1803                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1804         }
1805
1806         /* Read cache for dest folder */
1807         if (!dest->cache) folder_item_read_cache(dest);
1808
1809         /*
1810          * Fetch new MsgInfos for new messages in dest folder,
1811          * add them to the msgcache and update folder message counts
1812          */
1813         l2 = newmsgnums;
1814         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1815                 MsgInfo *msginfo = (MsgInfo *) l->data;
1816
1817                 num = GPOINTER_TO_INT(l2->data);
1818                 l2 = g_slist_next(l2);
1819
1820                 if (num >= 0) {
1821                         MsgInfo *newmsginfo;
1822
1823                         if (num == 0) {
1824                                 gchar *file;
1825
1826                                 if (!folderscan) {
1827                                         folder_item_scan_full(dest, FALSE);
1828                                         folderscan = TRUE;
1829                                 }
1830                                 file = folder_item_fetch_msg(msginfo->folder, msginfo->msgnum);
1831                                 num = folder_item_get_msg_num_by_file(dest, file);
1832                                 g_free(file);
1833                         }
1834
1835                         if (num > lastnum)
1836                                 lastnum = num;
1837
1838                         if (num == 0)
1839                                 continue;
1840
1841                         if (!folderscan &&
1842                             ((newmsginfo = folder->klass->get_msginfo(folder, dest, num)) != NULL)) {
1843                                 add_msginfo_to_cache(dest, newmsginfo, msginfo);
1844                                 procmsg_msginfo_free(newmsginfo);
1845                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
1846                                 copy_msginfo_flags(msginfo, newmsginfo);
1847                                 procmsg_msginfo_free(newmsginfo);
1848                         }
1849                 }
1850         }
1851
1852         /*
1853          * Remove source messages from their folders if
1854          * copying was successfull and update folder
1855          * message counts
1856          */
1857         l2 = newmsgnums;
1858         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1859                 MsgInfo *msginfo = (MsgInfo *) l->data;
1860
1861                 num = GPOINTER_TO_INT(l2->data);
1862                 l2 = g_slist_next(l2);
1863
1864                 if (num >= 0) {
1865                         item->folder->klass->remove_msg(item->folder,
1866                                                         msginfo->folder,
1867                                                         msginfo->msgnum);
1868                         remove_msginfo_from_cache(item, msginfo);
1869                 }
1870         }
1871
1872
1873         if (folder->klass->finished_copy)
1874                 folder->klass->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->klass->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->klass->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_full(dest, FALSE);
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->klass->get_msginfo(folder, dest, num)) != NULL)) {
1994                                 newmsginfo = folder->klass->get_msginfo(folder, dest, num);
1995                                 add_msginfo_to_cache(dest, newmsginfo, msginfo);
1996                                 procmsg_msginfo_free(newmsginfo);
1997                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
1998                                 copy_msginfo_flags(msginfo, newmsginfo);
1999                                 procmsg_msginfo_free(newmsginfo);
2000                         }
2001                 }
2002         }
2003
2004         if (folder->klass->finished_copy)
2005                 folder->klass->finished_copy(folder, dest);
2006
2007         g_slist_free(newmsgnums);
2008         return lastnum;
2009 }
2010
2011 gint folder_item_remove_msg(FolderItem *item, gint num)
2012 {
2013         Folder *folder;
2014         gint ret;
2015         MsgInfo *msginfo;
2016
2017         g_return_val_if_fail(item != NULL, -1);
2018         folder = item->folder;
2019         g_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
2020
2021         if (!item->cache) folder_item_read_cache(item);
2022
2023         ret = folder->klass->remove_msg(folder, item, num);
2024
2025         msginfo = msgcache_get_msg(item->cache, num);
2026         if (msginfo != NULL) {
2027                 remove_msginfo_from_cache(item, msginfo);
2028                 procmsg_msginfo_free(msginfo);
2029         }
2030         folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2031
2032         return ret;
2033 }
2034
2035 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2036 {
2037         Folder *folder;
2038         gint ret = 0;
2039
2040         g_return_val_if_fail(item != NULL, -1);
2041         folder = item->folder;
2042         g_return_val_if_fail(folder != NULL, -1);
2043
2044         if (!item->cache) folder_item_read_cache(item);
2045
2046         while (msglist != NULL) {
2047                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2048
2049                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2050                 if (ret != 0) break;
2051                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2052                 msglist = msglist->next;
2053         }
2054
2055         return ret;
2056 }
2057
2058 gint folder_item_remove_all_msg(FolderItem *item)
2059 {
2060         Folder *folder;
2061         gint result;
2062
2063         g_return_val_if_fail(item != NULL, -1);
2064
2065         folder = item->folder;
2066
2067         g_return_val_if_fail(folder->klass->remove_all_msg != NULL, -1);
2068
2069         result = folder->klass->remove_all_msg(folder, item);
2070
2071         if (result == 0) {
2072                 if (folder->klass->finished_remove)
2073                         folder->klass->finished_remove(folder, item);
2074
2075                 folder_item_free_cache(item);
2076                 item->cache = msgcache_new();
2077
2078                 item->new_msgs = 0;
2079                 item->unread_msgs = 0;
2080                 item->unreadmarked_msgs = 0;
2081                 item->total_msgs = 0;
2082                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
2083         }
2084
2085         return result;
2086 }
2087
2088 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
2089 {
2090         g_return_if_fail(item != NULL);
2091         g_return_if_fail(msginfo != NULL);
2092
2093         if (item->folder->klass->change_flags != NULL) {
2094                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
2095         } else {
2096                 msginfo->flags.perm_flags = newflags;
2097         }
2098 }
2099
2100 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2101 {
2102         Folder *folder;
2103
2104         g_return_val_if_fail(item != NULL, FALSE);
2105
2106         folder = item->folder;
2107
2108         g_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
2109
2110         return folder->klass->is_msg_changed(folder, item, msginfo);
2111 }
2112
2113 gchar *folder_item_get_cache_file(FolderItem *item)
2114 {
2115         gchar *path;
2116         gchar *file;
2117
2118         g_return_val_if_fail(item != NULL, NULL);
2119         g_return_val_if_fail(item->path != NULL, NULL);
2120
2121         path = folder_item_get_path(item);
2122         g_return_val_if_fail(path != NULL, NULL);
2123         if (!is_dir_exist(path))
2124                 make_dir_hier(path);
2125         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2126         g_free(path);
2127
2128         return file;
2129 }
2130
2131 gchar *folder_item_get_mark_file(FolderItem *item)
2132 {
2133         gchar *path;
2134         gchar *file;
2135
2136         g_return_val_if_fail(item != NULL, NULL);
2137         g_return_val_if_fail(item->path != NULL, NULL);
2138
2139         path = folder_item_get_path(item);
2140         g_return_val_if_fail(path != NULL, NULL);
2141         if (!is_dir_exist(path))
2142                 make_dir_hier(path);
2143         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2144         g_free(path);
2145
2146         return file;
2147 }
2148
2149 static gboolean folder_build_tree(GNode *node, gpointer data)
2150 {
2151         Folder *folder = FOLDER(data);
2152         FolderItem *item;
2153         XMLNode *xmlnode;
2154         GList *list;
2155         SpecialFolderItemType stype = F_NORMAL;
2156         const gchar *name = NULL;
2157         const gchar *path = NULL;
2158         PrefsAccount *account = NULL;
2159         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
2160                  threaded = TRUE, apply_sub = FALSE;
2161         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE,
2162                  thread_collapsed = FALSE; /* CLAWS */
2163         FolderSortKey sort_key = SORT_BY_NONE;
2164         FolderSortType sort_type = SORT_ASCENDING;
2165         gint new = 0, unread = 0, total = 0, unreadmarked = 0;
2166         time_t mtime = 0;
2167
2168         g_return_val_if_fail(node->data != NULL, FALSE);
2169         if (!node->parent) return FALSE;
2170
2171         xmlnode = node->data;
2172         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2173                 g_warning("tag name != \"folderitem\"\n");
2174                 return FALSE;
2175         }
2176
2177         list = xmlnode->tag->attr;
2178         for (; list != NULL; list = list->next) {
2179                 XMLAttr *attr = list->data;
2180
2181                 if (!attr || !attr->name || !attr->value) continue;
2182                 if (!strcmp(attr->name, "type")) {
2183                         if (!strcasecmp(attr->value, "normal"))
2184                                 stype = F_NORMAL;
2185                         else if (!strcasecmp(attr->value, "inbox"))
2186                                 stype = F_INBOX;
2187                         else if (!strcasecmp(attr->value, "outbox"))
2188                                 stype = F_OUTBOX;
2189                         else if (!strcasecmp(attr->value, "draft"))
2190                                 stype = F_DRAFT;
2191                         else if (!strcasecmp(attr->value, "queue"))
2192                                 stype = F_QUEUE;
2193                         else if (!strcasecmp(attr->value, "trash"))
2194                                 stype = F_TRASH;
2195                 } else if (!strcmp(attr->name, "name"))
2196                         name = attr->value;
2197                 else if (!strcmp(attr->name, "path"))
2198                         path = attr->value;
2199                 else if (!strcmp(attr->name, "mtime"))
2200                         mtime = strtoul(attr->value, NULL, 10);
2201                 else if (!strcmp(attr->name, "new"))
2202                         new = atoi(attr->value);
2203                 else if (!strcmp(attr->name, "unread"))
2204                         unread = atoi(attr->value);
2205                 else if (!strcmp(attr->name, "unreadmarked"))
2206                         unreadmarked = atoi(attr->value);
2207                 else if (!strcmp(attr->name, "total"))
2208                         total = atoi(attr->value);
2209                 else if (!strcmp(attr->name, "no_sub"))
2210                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2211                 else if (!strcmp(attr->name, "no_select"))
2212                         no_select = *attr->value == '1' ? TRUE : FALSE;
2213                 else if (!strcmp(attr->name, "collapsed"))
2214                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2215                 else if (!strcmp(attr->name, "thread_collapsed"))
2216                         thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
2217                 else if (!strcmp(attr->name, "threaded"))
2218                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2219                 else if (!strcmp(attr->name, "hidereadmsgs"))
2220                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2221                 else if (!strcmp(attr->name, "reqretrcpt"))
2222                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2223                 else if (!strcmp(attr->name, "sort_key")) {
2224                         if (!strcmp(attr->value, "none"))
2225                                 sort_key = SORT_BY_NONE;
2226                         else if (!strcmp(attr->value, "number"))
2227                                 sort_key = SORT_BY_NUMBER;
2228                         else if (!strcmp(attr->value, "size"))
2229                                 sort_key = SORT_BY_SIZE;
2230                         else if (!strcmp(attr->value, "date"))
2231                                 sort_key = SORT_BY_DATE;
2232                         else if (!strcmp(attr->value, "from"))
2233                                 sort_key = SORT_BY_FROM;
2234                         else if (!strcmp(attr->value, "subject"))
2235                                 sort_key = SORT_BY_SUBJECT;
2236                         else if (!strcmp(attr->value, "score"))
2237                                 sort_key = SORT_BY_SCORE;
2238                         else if (!strcmp(attr->value, "label"))
2239                                 sort_key = SORT_BY_LABEL;
2240                         else if (!strcmp(attr->value, "mark"))
2241                                 sort_key = SORT_BY_MARK;
2242                         else if (!strcmp(attr->value, "unread"))
2243                                 sort_key = SORT_BY_STATUS;
2244                         else if (!strcmp(attr->value, "mime"))
2245                                 sort_key = SORT_BY_MIME;
2246                         else if (!strcmp(attr->value, "to"))
2247                                 sort_key = SORT_BY_TO;
2248                         else if (!strcmp(attr->value, "locked"))
2249                                 sort_key = SORT_BY_LOCKED;
2250                 } else if (!strcmp(attr->name, "sort_type")) {
2251                         if (!strcmp(attr->value, "ascending"))
2252                                 sort_type = SORT_ASCENDING;
2253                         else
2254                                 sort_type = SORT_DESCENDING;
2255                 } else if (!strcmp(attr->name, "account_id")) {
2256                         account = account_find_from_id(atoi(attr->value));
2257                         if (!account) g_warning("account_id: %s not found\n",
2258                                                 attr->value);
2259                 } else if (!strcmp(attr->name, "apply_sub"))
2260                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2261         }
2262
2263         item = folder_item_new(folder, name, path);
2264         item->stype = stype;
2265         item->mtime = mtime;
2266         item->new_msgs = new;
2267         item->unread_msgs = unread;
2268         item->unreadmarked_msgs = unreadmarked;
2269         item->total_msgs = total;
2270         item->no_sub = no_sub;
2271         item->no_select = no_select;
2272         item->collapsed = collapsed;
2273         item->thread_collapsed = thread_collapsed;
2274         item->threaded  = threaded;
2275         item->hide_read_msgs  = hidereadmsgs;
2276         item->ret_rcpt  = ret_rcpt;
2277         item->sort_key  = sort_key;
2278         item->sort_type = sort_type;
2279         item->parent = FOLDER_ITEM(node->parent->data);
2280         item->folder = folder;
2281         switch (stype) {
2282         case F_INBOX:  folder->inbox  = item; break;
2283         case F_OUTBOX: folder->outbox = item; break;
2284         case F_DRAFT:  folder->draft  = item; break;
2285         case F_QUEUE:  folder->queue  = item; break;
2286         case F_TRASH:  folder->trash  = item; break;
2287         default:       break;
2288         }
2289         item->account = account;
2290         item->apply_sub = apply_sub;
2291         prefs_folder_item_read_config(item);
2292
2293         node->data = item;
2294         xml_free_node(xmlnode);
2295
2296         return FALSE;
2297 }
2298
2299 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2300 {
2301         Folder *folder;
2302         XMLNode *xmlnode;
2303         GList *list;
2304         FolderClass *class = NULL;
2305         const gchar *name = NULL;
2306         const gchar *path = NULL;
2307         PrefsAccount *account = NULL;
2308         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2309         gboolean ret_rcpt = FALSE, thread_collapsed = FALSE; /* CLAWS */
2310
2311         if (g_node_depth(node) != 2) return FALSE;
2312         g_return_val_if_fail(node->data != NULL, FALSE);
2313
2314         xmlnode = node->data;
2315         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2316                 g_warning("tag name != \"folder\"\n");
2317                 return TRUE;
2318         }
2319         g_node_unlink(node);
2320         list = xmlnode->tag->attr;
2321         for (; list != NULL; list = list->next) {
2322                 XMLAttr *attr = list->data;
2323
2324                 if (!attr || !attr->name || !attr->value) continue;
2325                 if (!strcmp(attr->name, "type"))
2326                         class = folder_get_class_from_string(attr->value);
2327                 else if (!strcmp(attr->name, "name"))
2328                         name = attr->value;
2329                 else if (!strcmp(attr->name, "path"))
2330                         path = attr->value;
2331                 else if (!strcmp(attr->name, "collapsed"))
2332                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2333                 else if (!strcmp(attr->name, "thread_collapsed"))
2334                         thread_collapsed = *attr->value == '1' ? TRUE : FALSE;
2335                 else if (!strcmp(attr->name, "threaded"))
2336                         threaded = *attr->value == '1' ? TRUE : FALSE;
2337                 else if (!strcmp(attr->name, "account_id")) {
2338                         account = account_find_from_id(atoi(attr->value));
2339                         if (!account) g_warning("account_id: %s not found\n",
2340                                                 attr->value);
2341                 } else if (!strcmp(attr->name, "apply_sub"))
2342                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2343                 else if (!strcmp(attr->name, "reqretrcpt"))
2344                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2345         }
2346
2347         folder = folder_new(class, name, path);
2348         g_return_val_if_fail(folder != NULL, FALSE);
2349         folder->account = account;
2350         if (account != NULL)
2351                 account->folder = REMOTE_FOLDER(folder);
2352         node->data = folder->node->data;
2353         g_node_destroy(folder->node);
2354         folder->node = node;
2355         folder_add(folder);
2356         FOLDER_ITEM(node->data)->collapsed = collapsed;
2357         FOLDER_ITEM(node->data)->thread_collapsed = thread_collapsed;
2358         FOLDER_ITEM(node->data)->threaded  = threaded;
2359         FOLDER_ITEM(node->data)->account   = account;
2360         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2361         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2362
2363         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2364                         folder_build_tree, folder);
2365
2366         return FALSE;
2367 }
2368
2369 static gchar *folder_get_list_path(void)
2370 {
2371         static gchar *filename = NULL;
2372
2373         if (!filename)
2374                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2375                                         FOLDER_LIST, NULL);
2376
2377         return filename;
2378 }
2379
2380 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2381 {                                                       \
2382         fputs(" " attr "=\"", fp);                      \
2383         xml_file_put_escape_str(fp, str);               \
2384         fputs("\"", fp);                                \
2385 }
2386
2387 static void folder_write_list_recursive(GNode *node, gpointer data)
2388 {
2389         FILE *fp = (FILE *)data;
2390         FolderItem *item;
2391         gint i, depth;
2392         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2393                                                  "draft", "queue", "trash"};
2394         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2395                                         "from", "subject", "score", "label",
2396                                         "mark", "unread", "mime", "to",
2397                                         "locked"};
2398         g_return_if_fail(node != NULL);
2399         g_return_if_fail(fp != NULL);
2400
2401         item = FOLDER_ITEM(node->data);
2402         g_return_if_fail(item != NULL);
2403
2404         depth = g_node_depth(node);
2405         for (i = 0; i < depth; i++)
2406                 fputs("    ", fp);
2407         if (depth == 1) {
2408                 Folder *folder = item->folder;
2409
2410                 fprintf(fp, "<folder type=\"%s\"", folder->klass->idstr);
2411                 if (folder->name)
2412                         PUT_ESCAPE_STR(fp, "name", folder->name);
2413                 if (FOLDER_TYPE(folder) == F_MH || FOLDER_TYPE(folder) == F_MBOX || FOLDER_TYPE(folder) == F_MAILDIR)
2414                         PUT_ESCAPE_STR(fp, "path",
2415                                        LOCAL_FOLDER(folder)->rootpath);
2416                 if (item->collapsed && node->children)
2417                         fputs(" collapsed=\"1\"", fp);
2418                 if (folder->account)
2419                         fprintf(fp, " account_id=\"%d\"",
2420                                 folder->account->account_id);
2421                 if (item->apply_sub)
2422                         fputs(" apply_sub=\"1\"", fp);
2423                 if (item->ret_rcpt)
2424                         fputs(" reqretrcpt=\"1\"", fp);
2425         } else {
2426                 fprintf(fp, "<folderitem type=\"%s\"",
2427                         folder_item_stype_str[item->stype]);
2428                 if (item->name)
2429                         PUT_ESCAPE_STR(fp, "name", item->name);
2430                 if (item->path)
2431                         PUT_ESCAPE_STR(fp, "path", item->path);
2432
2433                 if (item->no_sub)
2434                         fputs(" no_sub=\"1\"", fp);
2435                 if (item->no_select)
2436                         fputs(" no_select=\"1\"", fp);
2437                 if (item->collapsed && node->children)
2438                         fputs(" collapsed=\"1\"", fp);
2439                 else
2440                         fputs(" collapsed=\"0\"", fp);
2441                 if (item->thread_collapsed)
2442                         fputs(" thread_collapsed=\"1\"", fp);
2443                 else
2444                         fputs(" thread_collapsed=\"0\"", fp);
2445                 if (item->threaded)
2446                         fputs(" threaded=\"1\"", fp);
2447                 else
2448                         fputs(" threaded=\"0\"", fp);
2449                 if (item->hide_read_msgs)
2450                         fputs(" hidereadmsgs=\"1\"", fp);
2451                 else
2452                         fputs(" hidereadmsgs=\"0\"", fp);
2453                 if (item->ret_rcpt)
2454                         fputs(" reqretrcpt=\"1\"", fp);
2455
2456                 if (item->sort_key != SORT_BY_NONE) {
2457                         fprintf(fp, " sort_key=\"%s\"",
2458                                 sort_key_str[item->sort_key]);
2459                         if (item->sort_type == SORT_ASCENDING)
2460                                 fprintf(fp, " sort_type=\"ascending\"");
2461                         else
2462                                 fprintf(fp, " sort_type=\"descending\"");
2463                 }
2464
2465                 fprintf(fp,
2466                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" unreadmarked=\"%d\" total=\"%d\"",
2467                         item->mtime, item->new_msgs, item->unread_msgs, item->unreadmarked_msgs, item->total_msgs);
2468
2469                 if (item->account)
2470                         fprintf(fp, " account_id=\"%d\"",
2471                                 item->account->account_id);
2472                 if (item->apply_sub)
2473                         fputs(" apply_sub=\"1\"", fp);
2474         }
2475
2476         if (node->children) {
2477                 GNode *child;
2478                 fputs(">\n", fp);
2479
2480                 child = node->children;
2481                 while (child) {
2482                         GNode *cur;
2483
2484                         cur = child;
2485                         child = cur->next;
2486                         folder_write_list_recursive(cur, data);
2487                 }
2488
2489                 for (i = 0; i < depth; i++)
2490                         fputs("    ", fp);
2491                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2492         } else
2493                 fputs(" />\n", fp);
2494 }
2495
2496 static void folder_update_op_count_rec(GNode *node)
2497 {
2498         FolderItem *fitem = FOLDER_ITEM(node->data);
2499
2500         if (g_node_depth(node) > 0) {
2501                 if (fitem->op_count > 0) {
2502                         fitem->op_count = 0;
2503                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
2504                 }
2505                 if (node->children) {
2506                         GNode *child;
2507
2508                         child = node->children;
2509                         while (child) {
2510                                 GNode *cur;
2511
2512                                 cur = child;
2513                                 child = cur->next;
2514                                 folder_update_op_count_rec(cur);
2515                         }
2516                 }
2517         }
2518 }
2519
2520 void folder_update_op_count(void)
2521 {
2522         GList *cur;
2523         Folder *folder;
2524
2525         for (cur = folder_list; cur != NULL; cur = cur->next) {
2526                 folder = cur->data;
2527                 folder_update_op_count_rec(folder->node);
2528         }
2529 }
2530
2531 typedef struct _type_str {
2532         gchar * str;
2533         gint type;
2534 } type_str;
2535
2536
2537 /*
2538 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2539 {
2540         if (item->parent != NULL) {
2541                 gchar * path;
2542                 gchar * id;
2543
2544                 path = folder_item_get_tree_identifier(item->parent);
2545                 if (path == NULL)
2546                         return NULL;
2547
2548                 id = g_strconcat(path, "/", item->name, NULL);
2549                 g_free(path);
2550
2551                 return id;
2552         }
2553         else {
2554                 return g_strconcat("/", item->name, NULL);
2555         }
2556 }
2557 */
2558
2559 /* CLAWS: temporary local folder for filtering */
2560 #define TEMP_FOLDER "TEMP_FOLDER"
2561 #define PROCESSING_FOLDER_ITEM "processing"
2562
2563 static FolderItem *processing_folder_item;
2564
2565 static void folder_create_processing_folder(void)
2566 {
2567         Folder *processing_folder;
2568         gchar      *tmpname;
2569
2570         if ((processing_folder = folder_find_from_name(TEMP_FOLDER, mh_get_class())) == NULL) {
2571                 gchar *tmppath;
2572
2573                 tmppath =
2574                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2575                                 "tempfolder", NULL);
2576                 processing_folder =
2577                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
2578                 g_free(tmppath);
2579         }
2580         g_assert(processing_folder != NULL);
2581
2582         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(processing_folder)->rootpath);
2583         if (LOCAL_FOLDER(processing_folder)->rootpath[0] == '/')
2584                 tmpname = g_strconcat(LOCAL_FOLDER(processing_folder)->rootpath,
2585                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
2586                                       NULL);
2587         else
2588                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2589                                       LOCAL_FOLDER(processing_folder)->rootpath,
2590                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER_ITEM,
2591                                       NULL);
2592
2593         if (!is_dir_exist(tmpname)) {
2594                 debug_print("*TMP* creating %s\n", tmpname);
2595                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
2596                                                                                  processing_folder->node->data,
2597                                                                                  PROCESSING_FOLDER_ITEM);
2598         } else {
2599                 debug_print("*TMP* already created\n");
2600                 processing_folder_item = folder_item_new(processing_folder, PROCESSING_FOLDER_ITEM, PROCESSING_FOLDER_ITEM);
2601                 g_assert(processing_folder_item);
2602                 folder_item_append(processing_folder->node->data, processing_folder_item);
2603         }
2604         g_assert(processing_folder_item != NULL);
2605         g_free(tmpname);
2606 }
2607
2608 FolderItem *folder_get_default_processing(void)
2609 {
2610         if (!processing_folder_item) {
2611                 folder_create_processing_folder();
2612         }
2613         return processing_folder_item;
2614 }
2615
2616 /* folder_persist_prefs_new() - return hash table with persistent
2617  * settings (and folder name as key).
2618  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2619  * file, so those don't need to be included in PersistPref yet)
2620  */
2621 GHashTable *folder_persist_prefs_new(Folder *folder)
2622 {
2623         GHashTable *pptable;
2624
2625         g_return_val_if_fail(folder, NULL);
2626         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2627         folder_get_persist_prefs_recursive(folder->node, pptable);
2628         return pptable;
2629 }
2630
2631 void folder_persist_prefs_free(GHashTable *pptable)
2632 {
2633         g_return_if_fail(pptable);
2634         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2635         g_hash_table_destroy(pptable);
2636 }
2637
2638 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2639 {
2640         if (pptable == NULL || name == NULL) return NULL;
2641         return g_hash_table_lookup(pptable, name);
2642 }
2643
2644 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2645 {
2646         const PersistPrefs *pp;
2647         gchar *id = folder_item_get_identifier(item);
2648
2649         pp = folder_get_persist_prefs(pptable, id);
2650         g_free(id);
2651
2652         if (!pp) return;
2653
2654         /* CLAWS: since not all folder properties have been migrated to
2655          * folderlist.xml, we need to call the old stuff first before
2656          * setting things that apply both to Main and Claws. */
2657         prefs_folder_item_read_config(item);
2658
2659         item->collapsed = pp->collapsed;
2660         item->thread_collapsed = pp->thread_collapsed;
2661         item->threaded  = pp->threaded;
2662         item->ret_rcpt  = pp->ret_rcpt;
2663         item->hide_read_msgs = pp->hide_read_msgs;
2664         item->sort_key  = pp->sort_key;
2665         item->sort_type = pp->sort_type;
2666 }
2667
2668 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2669 {
2670         FolderItem *item = FOLDER_ITEM(node->data);
2671         PersistPrefs *pp;
2672         GNode *child, *cur;
2673         gchar *id;
2674
2675         g_return_if_fail(node != NULL);
2676         g_return_if_fail(item != NULL);
2677
2678         /* NOTE: item->path == NULL means top level folder; not interesting
2679          * to store preferences of that one.  */
2680         if (item->path) {
2681                 id = folder_item_get_identifier(item);
2682                 pp = g_new0(PersistPrefs, 1);
2683                 g_return_if_fail(pp != NULL);
2684                 pp->collapsed = item->collapsed;
2685                 pp->thread_collapsed = item->thread_collapsed;
2686                 pp->threaded  = item->threaded;
2687                 pp->ret_rcpt  = item->ret_rcpt;
2688                 pp->hide_read_msgs = item->hide_read_msgs;
2689                 pp->sort_key  = item->sort_key;
2690                 pp->sort_type = item->sort_type;
2691                 g_hash_table_insert(pptable, id, pp);
2692         }
2693
2694         if (node->children) {
2695                 child = node->children;
2696                 while (child) {
2697                         cur = child;
2698                         child = cur->next;
2699                         folder_get_persist_prefs_recursive(cur, pptable);
2700                 }
2701         }
2702 }
2703
2704 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2705 {
2706         if (key)
2707                 g_free(key);
2708         if (val)
2709                 g_free(val);
2710         return TRUE;
2711 }
2712
2713 void folder_item_apply_processing(FolderItem *item)
2714 {
2715         GSList *processing_list;
2716         GSList *mlist, *cur;
2717
2718         g_return_if_fail(item != NULL);
2719
2720         processing_list = item->prefs->processing;
2721         if (processing_list == NULL)
2722                 return;
2723
2724         folder_item_update_freeze();
2725
2726         mlist = folder_item_get_msg_list(item);
2727         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2728                 MsgInfo * msginfo;
2729
2730                 msginfo = (MsgInfo *) cur->data;
2731                 filter_message_by_msginfo(processing_list, msginfo);
2732                 procmsg_msginfo_free(msginfo);
2733         }
2734         g_slist_free(mlist);
2735
2736         folder_item_update_thaw();
2737 }
2738
2739 /*
2740  *  functions for handling FolderItem content changes
2741  */
2742 static gint folder_item_update_freeze_cnt = 0;
2743
2744 /**
2745  * Notify the folder system about changes to a folder. If the
2746  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
2747  * be invoked, otherwise the changes will be remebered until
2748  * the folder system is thawed.
2749  *
2750  * \param item The FolderItem that was changed
2751  * \param update_flags Type of changed that was made
2752  */
2753 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
2754 {
2755         if (folder_item_update_freeze_cnt == 0) {
2756                 FolderItemUpdateData source;
2757
2758                 source.item = item;
2759                 source.update_flags = update_flags;
2760                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2761         } else {
2762                 item->update_flags |= update_flags;
2763         }
2764 }
2765
2766 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
2767 {
2768         GNode *node = item->folder->node;
2769
2770         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2771         node = node->children;
2772
2773         folder_item_update(item, update_flags);
2774         while (node != NULL) {
2775                 if (node && node->data) {
2776                         FolderItem *next_item = (FolderItem*) node->data;
2777
2778                         folder_item_update(next_item, update_flags);
2779                 }
2780                 node = node->next;
2781         }
2782 }
2783
2784 void folder_item_update_freeze(void)
2785 {
2786         folder_item_update_freeze_cnt++;
2787 }
2788
2789 static void folder_item_update_func(FolderItem *item, gpointer data)
2790 {
2791         FolderItemUpdateData source;
2792
2793         if (item->update_flags) {
2794                 source.item = item;
2795                 source.update_flags = item->update_flags;
2796                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
2797                 item->update_flags = 0;
2798         }
2799 }
2800
2801 void folder_item_update_thaw(void)
2802 {
2803         if (folder_item_update_freeze_cnt > 0)
2804                 folder_item_update_freeze_cnt--;
2805         if (folder_item_update_freeze_cnt == 0) {
2806                 /* Update all folders */
2807                 folder_func_to_all_folders(folder_item_update_func, NULL);
2808         }
2809 }
2810
2811 #undef PUT_ESCAPE_STR