src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #include <unistd.h>
  34 #include <stdlib.h>
  35 #ifdef WIN32
  36 #include <w32lib.h>
  37 #endif
  38
  39 #include "folder.h"
  40 #include "session.h"
  41 #include "inc.h"
  42 #include "imap.h"
  43 #include "news.h"
  44 #include "mh.h"
  45 #include "utils.h"
  46 #include "xml.h"
  47 #include "codeconv.h"
  48 #include "prefs_gtk.h"
  49 #include "account.h"
  50 #include "filtering.h"
  51 #include "procheader.h"
  52 #include "hooks.h"
  53 #include "log.h"
  54 #include "folder_item_prefs.h"
  55 #include "remotefolder.h"
  56 #include "partial_download.h"
  57 #include "statusbar.h"
  58 #include "gtkutils.h"
  59 #include "timing.h"
  60 #include "compose.h"
  61 #include "main.h"
  62 #include "msgcache.h"
  63 #include "privacy.h"
  64
  65 /* Dependecies to be removed ?! */
  66 #include "prefs_common.h"
  67 #include "prefs_account.h"
  68
  69 /* Define possible missing constants for Windows. */
  70 #ifdef G_OS_WIN32
  71 # ifndef S_IRGRP
  72 # define S_IRGRP 0
  73 # define S_IWGRP 0
  74 # endif
  75 # ifndef S_IROTH
  76 # define S_IROTH 0
  77 # define S_IWOTH 0
  78 # endif
  79 #endif
  80
  81 static GList *folder_list = NULL;
  82 static GSList *class_list = NULL;
  83 static GSList *folder_unloaded_list = NULL;
  84
  85 void folder_init                (Folder         *folder,
  86                                  const gchar    *name);
  87
  88 static gchar *folder_item_get_cache_file        (FolderItem     *item);
  89 static gchar *folder_item_get_mark_file (FolderItem     *item);
  90 static gchar *folder_item_get_tags_file (FolderItem     *item);
  91 static GNode *folder_get_xml_node       (Folder         *folder);
  92 static Folder *folder_get_from_xml      (GNode          *node);
  93 static void folder_update_op_count_rec  (GNode          *node);
  94
  95
  96 static void folder_get_persist_prefs_recursive
  97                                         (GNode *node, GHashTable *pptable);
  98 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  99 static void folder_item_read_cache              (FolderItem *item);
 100 gint folder_item_scan_full              (FolderItem *item, gboolean filtering);
 101 static void folder_item_update_with_msg (FolderItem *item, FolderItemUpdateFlags update_flags,
 102                                          MsgInfo *msg);
 103 static GHashTable *folder_persist_prefs_new     (Folder *folder);
 104 static void folder_persist_prefs_free           (GHashTable *pptable);
 105 static void folder_item_restore_persist_prefs   (FolderItem *item, GHashTable *pptable);
 106
 107 void folder_system_init(void)
 108 {
 109         folder_register_class(mh_get_class());
 110         folder_register_class(imap_get_class());
 111         folder_register_class(news_get_class());
 112 }
 113
 114 static GSList *folder_get_class_list(void)
 115 {
 116         return class_list;
 117 }
 118
 119 void folder_register_class(FolderClass *klass)
 120 {
 121         GSList *xmllist, *cur;
 122
 123         debug_print("registering folder class %s\n", klass->idstr);
 124
 125         class_list = g_slist_append(class_list, klass);
 126
 127         xmllist = g_slist_copy(folder_unloaded_list);
 128         for (cur = xmllist; cur != NULL; cur = g_slist_next(cur)) {
 129                 GNode *node = (GNode *) cur->data;
 130                 XMLNode *xmlnode = (XMLNode *) node->data;
 131                 GList *cur = xmlnode->tag->attr;
 132
 133                 for (; cur != NULL; cur = g_list_next(cur)) {
 134                         XMLAttr *attr = (XMLAttr *) cur->data;
 135
 136                         if (!attr || !attr->name || !attr->value) continue;
 137                         if (!strcmp(attr->name, "type") && !strcmp(attr->value, klass->idstr)) {
 138                                 Folder *folder;
 139
 140                                 folder = folder_get_from_xml(node);
 141                                 if (folder) {
 142                                         folder_add(folder);
 143                                         folder_unloaded_list = g_slist_remove(folder_unloaded_list, node);
 144                                 }
 145                                 cur = NULL;
 146                                 continue;
 147                         }
 148                 }
 149         }
 150         g_slist_free(xmllist);
 151 }
 152
 153 void folder_unregister_class(FolderClass *klass)
 154 {
 155         GList *folderlist, *cur;
 156
 157         debug_print("unregistering folder class %s\n", klass->idstr);
 158
 159         class_list = g_slist_remove(class_list, klass);
 160
 161         folderlist = g_list_copy(folder_get_list());
 162         for (cur = folderlist; cur != NULL; cur = g_list_next(cur)) {
 163                 Folder *folder = (Folder *) cur->data;
 164
 165                 if (folder->klass == klass) {
 166                         GNode *xmlnode = folder_get_xml_node(folder);
 167                         folder_unloaded_list = g_slist_append(folder_unloaded_list, xmlnode);
 168                         folder_destroy(folder);
 169                 }
 170         }
 171         g_list_free(folderlist);
 172
 173         if (klass->prefs_pages)
 174                 g_slist_free(klass->prefs_pages);
 175 }
 176
 177 Folder *folder_new(FolderClass *klass, const gchar *name, const gchar *path)
 178 {
 179         Folder *folder = NULL;
 180         FolderItem *item;
 181
 182         cm_return_val_if_fail(klass != NULL, NULL);
 183
 184         name = name ? name : path;
 185         folder = klass->new_folder(name, path);
 186
 187         /* Create root folder item */
 188         item = folder_item_new(folder, name, NULL);
 189         if (item == NULL) {
 190                 return NULL;
 191         }
 192         item->folder = folder;
 193         folder->node = item->node = g_node_new(item);
 194         folder->data = NULL;
 195
 196         return folder;
 197 }
 198
 199 void folder_init(Folder *folder, const gchar *name)
 200 {
 201         cm_return_if_fail(folder != NULL);
 202
 203         folder_set_name(folder, name);
 204
 205         /* Init folder data */
 206         folder->account = NULL;
 207         folder->sort = 0;
 208         folder->inbox = NULL;
 209         folder->outbox = NULL;
 210         folder->draft = NULL;
 211         folder->queue = NULL;
 212         folder->trash = NULL;
 213 }
 214
 215 static void reset_parent_type(FolderItem *item, gpointer data) {
 216         item->parent_stype = -1;
 217 }
 218
 219 void folder_item_change_type(FolderItem *item, SpecialFolderItemType newtype)
 220 {
 221         Folder *folder = NULL;
 222         FolderUpdateData hookdata;
 223
 224         if (item == NULL)
 225                 return;
 226
 227         folder = item->folder;
 228         /* unset previous root of newtype */
 229         switch(newtype) {
 230         case F_INBOX:
 231                 folder_item_change_type(folder->inbox, F_NORMAL);
 232                 folder->inbox = item;
 233                 break;
 234         case F_OUTBOX:
 235                 folder_item_change_type(folder->outbox, F_NORMAL);
 236                 folder->outbox = item;
 237                 break;
 238         case F_QUEUE:
 239                 folder_item_change_type(folder->queue, F_NORMAL);
 240                 folder->queue = item;
 241                 break;
 242         case F_DRAFT:
 243                 folder_item_change_type(folder->draft, F_NORMAL);
 244                 folder->draft = item;
 245                 break;
 246         case F_TRASH:
 247                 folder_item_change_type(folder->trash, F_NORMAL);
 248                 folder->trash = item;
 249                 break;
 250         case F_NORMAL:
 251         default:
 252                 break;
 253         }
 254         /* set new type for current folder and sons */
 255         item->stype = newtype;
 256         folder_func_to_all_folders(reset_parent_type, NULL);
 257
 258         hookdata.folder = folder;
 259         hookdata.update_flags = FOLDER_TREE_CHANGED;
 260         hookdata.item = NULL;
 261         hookdata.item2 = NULL;
 262         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 263 }
 264
 265 void folder_destroy(Folder *folder)
 266 {
 267         cm_return_if_fail(folder != NULL);
 268         cm_return_if_fail(folder->klass->destroy_folder != NULL);
 269
 270         folder_remove(folder);
 271
 272         folder_tree_destroy(folder);
 273
 274         folder->klass->destroy_folder(folder);
 275
 276         g_free(folder->name);
 277         g_free(folder);
 278 }
 279
 280 void folder_set_xml(Folder *folder, XMLTag *tag)
 281 {
 282         GList *cur;
 283         FolderItem *rootitem = NULL;
 284
 285         if ((folder->node != NULL) && (folder->node->data != NULL))
 286                 rootitem = (FolderItem *) folder->node->data;
 287
 288         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 289                 XMLAttr *attr = (XMLAttr *) cur->data;
 290
 291                 if (!attr || !attr->name || !attr->value) continue;
 292                 if (!strcmp(attr->name, "name")) {
 293                         g_free(folder->name);
 294                         folder->name = g_strdup(attr->value);
 295                         if (rootitem != NULL) {
 296                                 g_free(rootitem->name);
 297                                 rootitem->name = g_strdup(attr->value);
 298                         }
 299                 } else if (!strcmp(attr->name, "account_id")) {
 300                         PrefsAccount *account;
 301
 302                         account = account_find_from_id(atoi(attr->value));
 303                         if (!account)
 304                                 g_warning("account_id: %s not found\n", attr->value);
 305                         else {
 306                                 folder->account = account;
 307                                 account->folder = folder;
 308                         }
 309                 } else if (!strcmp(attr->name, "collapsed")) {
 310                         if (rootitem != NULL)
 311                                 rootitem->collapsed = *attr->value == '1' ? TRUE : FALSE;
 312                 } else if (!strcmp(attr->name, "sort")) {
 313                         folder->sort = atoi(attr->value);
 314                 }
 315         }
 316 }
 317
 318 XMLTag *folder_get_xml(Folder *folder)
 319 {
 320         XMLTag *tag;
 321
 322         tag = xml_tag_new("folder");
 323
 324         if (folder->name)
 325                 xml_tag_add_attr(tag, xml_attr_new("name", folder->name));
 326         if (folder->account)
 327                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", folder->account->account_id));
 328         if (folder->node && folder->node->data) {
 329                 FolderItem *rootitem = (FolderItem *) folder->node->data;
 330
 331                 xml_tag_add_attr(tag, xml_attr_new("collapsed", rootitem->collapsed ? "1" : "0"));
 332         }
 333         xml_tag_add_attr(tag, xml_attr_new_int("sort", folder->sort));
 334
 335         return tag;
 336 }
 337
 338 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 339 {
 340         FolderItem *item = NULL;
 341
 342         cm_return_val_if_fail(folder != NULL, NULL);
 343
 344         if (folder->klass->item_new) {
 345                 item = folder->klass->item_new(folder);
 346         } else {
 347                 item = g_new0(FolderItem, 1);
 348         }
 349
 350         cm_return_val_if_fail(item != NULL, NULL);
 351
 352         item->stype = F_NORMAL;
 353
 354         if(!g_utf8_validate(name, -1, NULL)) {
 355                 item->name = g_malloc(strlen(name)*2+1);
 356                 conv_localetodisp(item->name, strlen(name)*2+1, name);
 357         } else {
 358                 item->name = g_strdup(name);
 359         }
 360
 361         item->path = g_strdup(path);
 362         item->mtime = 0;
 363         item->new_msgs = 0;
 364         item->unread_msgs = 0;
 365         item->unreadmarked_msgs = 0;
 366         item->marked_msgs = 0;
 367         item->total_msgs = 0;
 368         item->replied_msgs = 0;
 369         item->forwarded_msgs = 0;
 370         item->locked_msgs = 0;
 371         item->ignored_msgs = 0;
 372         item->watched_msgs = 0;
 373         item->order = 0;
 374         item->last_num = -1;
 375         item->cache = NULL;
 376         item->no_sub = FALSE;
 377         item->no_select = FALSE;
 378         item->collapsed = FALSE;
 379         item->thread_collapsed = FALSE;
 380         item->threaded  = TRUE;
 381         item->ret_rcpt  = FALSE;
 382         item->opened    = FALSE;
 383         item->node = g_node_new(item);
 384         item->folder = NULL;
 385         item->account = NULL;
 386         item->apply_sub = FALSE;
 387         item->mark_queue = NULL;
 388         item->data = NULL;
 389         item->parent_stype = -1;
 390
 391         item->sort_key = SORT_BY_DATE;
 392         item->sort_type = SORT_ASCENDING;
 393
 394         item->prefs = folder_item_prefs_new();
 395
 396         return item;
 397 }
 398
 399 void folder_item_append(FolderItem *parent, FolderItem *item)
 400 {
 401         cm_return_if_fail(parent != NULL);
 402         cm_return_if_fail(parent->folder != NULL);
 403         cm_return_if_fail(parent->node != NULL);
 404         cm_return_if_fail(item != NULL);
 405
 406         item->folder = parent->folder;
 407         g_node_append(parent->node, item->node);
 408 }
 409
 410 void folder_item_remove(FolderItem *item)
 411 {
 412         GNode *node, *start_node;
 413         FolderUpdateData hookdata;
 414         gchar *tags_file = NULL, *tags_dir = NULL;
 415
 416         cm_return_if_fail(item != NULL);
 417         cm_return_if_fail(item->folder != NULL);
 418         cm_return_if_fail(item->folder->node != NULL);
 419
 420         start_node = item->node;
 421
 422         node = item->folder->node;
 423
 424         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 425         node = node->children;
 426
 427         /* remove my children */
 428         while (node != NULL) {
 429                 if (node && node->data) {
 430                         FolderItem *sub_item = (FolderItem*) node->data;
 431                         node = node->next;
 432                         folder_item_remove(sub_item);
 433                 }
 434         }
 435
 436         /* remove myself */
 437         if (item->cache != NULL) {
 438                 msgcache_destroy(item->cache);
 439                 item->cache = NULL;
 440         }
 441         tags_file = folder_item_get_tags_file(item);
 442         if (tags_file)
 443                 claws_unlink(tags_file);
 444         tags_dir = g_path_get_dirname(tags_file);
 445         if (tags_dir)
 446                 rmdir(tags_dir);
 447
 448         g_free(tags_file);
 449         g_free(tags_dir);
 450
 451         hookdata.folder = item->folder;
 452         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
 453         hookdata.item = item;
 454         hookdata.item2 = NULL;
 455         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 456
 457         node = start_node;
 458
 459         if (item->folder->node == node)
 460                 item->folder->node = NULL;
 461
 462         folder_item_destroy(item);
 463
 464         g_node_destroy(node);
 465 }
 466
 467 void folder_item_remove_children(FolderItem *item)
 468 {
 469         GNode *node, *next;
 470
 471         cm_return_if_fail(item != NULL);
 472         cm_return_if_fail(item->folder != NULL);
 473         cm_return_if_fail(item->node != NULL);
 474
 475         node = item->node->children;
 476         while (node != NULL) {
 477                 next = node->next;
 478                 folder_item_remove(FOLDER_ITEM(node->data));
 479                 node = next;
 480         }
 481 }
 482
 483 void folder_item_destroy(FolderItem *item)
 484 {
 485         Folder *folder;
 486
 487         cm_return_if_fail(item != NULL);
 488
 489         folder = item->folder;
 490         if (folder) {
 491                 if (folder->inbox == item)
 492                         folder->inbox = NULL;
 493                 else if (folder->outbox == item)
 494                         folder->outbox = NULL;
 495                 else if (folder->draft == item)
 496                         folder->draft = NULL;
 497                 else if (folder->queue == item)
 498                         folder->queue = NULL;
 499                 else if (folder->trash == item)
 500                         folder->trash = NULL;
 501         }
 502
 503         if (item->cache)
 504                 folder_item_free_cache(item, TRUE);
 505         if (item->prefs)
 506                 folder_item_prefs_free(item->prefs);
 507         g_free(item->name);
 508         g_free(item->path);
 509
 510         if (item->folder != NULL) {
 511                 if(item->folder->klass->item_destroy) {
 512                         item->folder->klass->item_destroy(item->folder, item);
 513                 } else {
 514                         g_free(item);
 515                 }
 516         }
 517 }
 518
 519 FolderItem *folder_item_parent(FolderItem *item)
 520 {
 521         cm_return_val_if_fail(item != NULL, NULL);
 522         cm_return_val_if_fail(item->node != NULL, NULL);
 523
 524         if (item->node->parent == NULL)
 525                 return NULL;
 526         return (FolderItem *) item->node->parent->data;
 527 }
 528
 529 void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
 530 {
 531         GList *cur;
 532
 533         for (cur = tag->attr; cur != NULL; cur = g_list_next(cur)) {
 534                 XMLAttr *attr = (XMLAttr *) cur->data;
 535
 536                 if (!attr || !attr->name || !attr->value) continue;
 537                 if (!strcmp(attr->name, "type")) {
 538                         if (!g_ascii_strcasecmp(attr->value, "normal"))
 539                                 item->stype = F_NORMAL;
 540                         else if (!g_ascii_strcasecmp(attr->value, "inbox"))
 541                                 item->stype = F_INBOX;
 542                         else if (!g_ascii_strcasecmp(attr->value, "outbox"))
 543                                 item->stype = F_OUTBOX;
 544                         else if (!g_ascii_strcasecmp(attr->value, "draft"))
 545                                 item->stype = F_DRAFT;
 546                         else if (!g_ascii_strcasecmp(attr->value, "queue"))
 547                                 item->stype = F_QUEUE;
 548                         else if (!g_ascii_strcasecmp(attr->value, "trash"))
 549                                 item->stype = F_TRASH;
 550                 } else if (!strcmp(attr->name, "name")) {
 551                         g_free(item->name);
 552                         item->name = g_strdup(attr->value);
 553                 } else if (!strcmp(attr->name, "path")) {
 554                         g_free(item->path);
 555                         item->path = g_strdup(attr->value);
 556                 } else if (!strcmp(attr->name, "mtime"))
 557                         item->mtime = strtoul(attr->value, NULL, 10);
 558                 else if (!strcmp(attr->name, "new"))
 559                         item->new_msgs = atoi(attr->value);
 560                 else if (!strcmp(attr->name, "unread"))
 561                         item->unread_msgs = atoi(attr->value);
 562                 else if (!strcmp(attr->name, "unreadmarked"))
 563                         item->unreadmarked_msgs = atoi(attr->value);
 564                 else if (!strcmp(attr->name, "marked"))
 565                         item->marked_msgs = atoi(attr->value);
 566                 else if (!strcmp(attr->name, "replied"))
 567                         item->replied_msgs = atoi(attr->value);
 568                 else if (!strcmp(attr->name, "forwarded"))
 569                         item->forwarded_msgs = atoi(attr->value);
 570                 else if (!strcmp(attr->name, "locked"))
 571                         item->locked_msgs = atoi(attr->value);
 572                 else if (!strcmp(attr->name, "ignored"))
 573                         item->ignored_msgs = atoi(attr->value);
 574                 else if (!strcmp(attr->name, "watched"))
 575                         item->watched_msgs = atoi(attr->value);
 576                 else if (!strcmp(attr->name, "order"))
 577                         item->order = atoi(attr->value);
 578                 else if (!strcmp(attr->name, "total"))
 579                         item->total_msgs = atoi(attr->value);
 580                 else if (!strcmp(attr->name, "no_sub"))
 581                         item->no_sub = *attr->value == '1' ? TRUE : FALSE;
 582                 else if (!strcmp(attr->name, "no_select"))
 583                         item->no_select = *attr->value == '1' ? TRUE : FALSE;
 584                 else if (!strcmp(attr->name, "collapsed"))
 585                         item->collapsed = *attr->value == '1' ? TRUE : FALSE;
 586                 else if (!strcmp(attr->name, "thread_collapsed"))
 587                         item->thread_collapsed =  *attr->value == '1' ? TRUE : FALSE;
 588                 else if (!strcmp(attr->name, "threaded"))
 589                         item->threaded =  *attr->value == '1' ? TRUE : FALSE;
 590                 else if (!strcmp(attr->name, "hidereadmsgs"))
 591                         item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
 592                 else if (!strcmp(attr->name, "hidedelmsgs"))
 593                         item->hide_del_msgs =  *attr->value == '1' ? TRUE : FALSE;
 594                 else if (!strcmp(attr->name, "hidereadthreads"))
 595                         item->hide_read_threads =  *attr->value == '1' ? TRUE : FALSE;
 596                 else if (!strcmp(attr->name, "reqretrcpt"))
 597                         item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
 598                 else if (!strcmp(attr->name, "sort_key")) {
 599                         if (!strcmp(attr->value, "none"))
 600                                 item->sort_key = SORT_BY_NONE;
 601                         else if (!strcmp(attr->value, "number"))
 602                                 item->sort_key = SORT_BY_NUMBER;
 603                         else if (!strcmp(attr->value, "size"))
 604                                 item->sort_key = SORT_BY_SIZE;
 605                         else if (!strcmp(attr->value, "date"))
 606                                 item->sort_key = SORT_BY_DATE;
 607                         else if (!strcmp(attr->value, "from"))
 608                                 item->sort_key = SORT_BY_FROM;
 609                         else if (!strcmp(attr->value, "subject"))
 610                                 item->sort_key = SORT_BY_SUBJECT;
 611                         else if (!strcmp(attr->value, "score"))
 612                                 item->sort_key = SORT_BY_SCORE;
 613                         else if (!strcmp(attr->value, "label"))
 614                                 item->sort_key = SORT_BY_LABEL;
 615                         else if (!strcmp(attr->value, "mark"))
 616                                 item->sort_key = SORT_BY_MARK;
 617                         else if (!strcmp(attr->value, "unread"))
 618                                 item->sort_key = SORT_BY_STATUS;
 619                         else if (!strcmp(attr->value, "mime"))
 620                                 item->sort_key = SORT_BY_MIME;
 621                         else if (!strcmp(attr->value, "to"))
 622                                 item->sort_key = SORT_BY_TO;
 623                         else if (!strcmp(attr->value, "locked"))
 624                                 item->sort_key = SORT_BY_LOCKED;
 625                         else if (!strcmp(attr->value, "tags"))
 626                                 item->sort_key = SORT_BY_TAGS;
 627                         else if (!strcmp(attr->value, "thread_date"))
 628                                 item->sort_key = SORT_BY_THREAD_DATE;
 629                 } else if (!strcmp(attr->name, "sort_type")) {
 630                         if (!strcmp(attr->value, "ascending"))
 631                                 item->sort_type = SORT_ASCENDING;
 632                         else
 633                                 item->sort_type = SORT_DESCENDING;
 634                 } else if (!strcmp(attr->name, "account_id")) {
 635                         PrefsAccount *account;
 636
 637                         account = account_find_from_id(atoi(attr->value));
 638                         if (!account)
 639                                 g_warning("account_id: %s not found\n", attr->value);
 640                         else
 641                                 item->account = account;
 642                 } else if (!strcmp(attr->name, "apply_sub")) {
 643                         item->apply_sub = *attr->value == '1' ? TRUE : FALSE;
 644                 } else if (!strcmp(attr->name, "last_seen")) {
 645                         if (!claws_crashed())
 646                                 item->last_seen = atoi(attr->value);
 647                         else
 648                                 item->last_seen = 0;
 649                 }
 650         }
 651 }
 652
 653 XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
 654 {
 655         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
 656                                                  "draft", "queue", "trash"};
 657         static gchar *sort_key_str[] = {"none", "number", "size", "date",
 658                                         "from", "subject", "score", "label",
 659                                         "mark", "unread", "mime", "to",
 660                                         "locked", "tags", "thread_date" };
 661         XMLTag *tag;
 662         gchar *value;
 663
 664         tag = xml_tag_new("folderitem");
 665
 666         xml_tag_add_attr(tag, xml_attr_new("type", folder_item_stype_str[item->stype]));
 667         if (item->name)
 668                 xml_tag_add_attr(tag, xml_attr_new("name", item->name));
 669         if (item->path)
 670                 xml_tag_add_attr(tag, xml_attr_new("path", item->path));
 671         if (item->no_sub)
 672                 xml_tag_add_attr(tag, xml_attr_new("no_sub", "1"));
 673         if (item->no_select)
 674                 xml_tag_add_attr(tag, xml_attr_new("no_select", "1"));
 675         xml_tag_add_attr(tag, xml_attr_new("collapsed", item->collapsed && item->node->children ? "1" : "0"));
 676         xml_tag_add_attr(tag, xml_attr_new("thread_collapsed", item->thread_collapsed ? "1" : "0"));
 677         xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
 678         xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
 679         xml_tag_add_attr(tag, xml_attr_new("hidedelmsgs", item->hide_del_msgs ? "1" : "0"));
 680         xml_tag_add_attr(tag, xml_attr_new("hidereadthreads", item->hide_read_threads ? "1" : "0"));
 681         if (item->ret_rcpt)
 682                 xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 683
 684         if (item->sort_key != SORT_BY_NONE) {
 685                 xml_tag_add_attr(tag, xml_attr_new("sort_key", sort_key_str[item->sort_key]));
 686                 xml_tag_add_attr(tag, xml_attr_new("sort_type", item->sort_type == SORT_ASCENDING ? "ascending" : "descending"));
 687         }
 688
 689         value = g_strdup_printf("%ld", (unsigned long int) item->mtime);
 690         xml_tag_add_attr(tag, xml_attr_new("mtime", value));
 691         g_free(value);
 692         xml_tag_add_attr(tag, xml_attr_new_int("new", item->new_msgs));
 693         xml_tag_add_attr(tag, xml_attr_new_int("unread", item->unread_msgs));
 694         xml_tag_add_attr(tag, xml_attr_new_int("unreadmarked", item->unreadmarked_msgs));
 695         xml_tag_add_attr(tag, xml_attr_new_int("marked", item->marked_msgs));
 696         xml_tag_add_attr(tag, xml_attr_new_int("total", item->total_msgs));
 697         xml_tag_add_attr(tag, xml_attr_new_int("replied", item->replied_msgs));
 698         xml_tag_add_attr(tag, xml_attr_new_int("forwarded", item->forwarded_msgs));
 699         xml_tag_add_attr(tag, xml_attr_new_int("locked", item->locked_msgs));
 700         xml_tag_add_attr(tag, xml_attr_new_int("ignore", item->ignored_msgs));
 701         xml_tag_add_attr(tag, xml_attr_new_int("watched", item->watched_msgs));
 702         xml_tag_add_attr(tag, xml_attr_new_int("order", item->order));
 703
 704         if (item->account)
 705                 xml_tag_add_attr(tag, xml_attr_new_int("account_id", item->account->account_id));
 706         if (item->apply_sub)
 707                 xml_tag_add_attr(tag, xml_attr_new("apply_sub", "1"));
 708
 709         xml_tag_add_attr(tag, xml_attr_new_int("last_seen", item->last_seen));
 710
 711         return tag;
 712 }
 713
 714 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 715 {
 716         cm_return_if_fail(folder != NULL);
 717
 718         folder->ui_func = func;
 719         folder->ui_func_data = data;
 720 }
 721
 722 void folder_set_name(Folder *folder, const gchar *name)
 723 {
 724         cm_return_if_fail(folder != NULL);
 725
 726         g_free(folder->name);
 727         folder->name = name ? g_strdup(name) : NULL;
 728         if (folder->node && folder->node->data) {
 729                 FolderItem *item = (FolderItem *)folder->node->data;
 730
 731                 g_free(item->name);
 732                 item->name = name ? g_strdup(name) : NULL;
 733         }
 734 }
 735
 736 void folder_set_sort(Folder *folder, guint sort)
 737 {
 738         cm_return_if_fail(folder != NULL);
 739
 740         if (folder->sort != sort) {
 741                 folder_remove(folder);
 742                 folder->sort = sort;
 743                 folder_add(folder);
 744         }
 745 }
 746
 747 static gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 748         FolderItem *item = (FolderItem *) node->data;
 749
 750         folder_item_destroy(item);
 751         return FALSE;
 752 }
 753
 754 void folder_tree_destroy(Folder *folder)
 755 {
 756         GNode *node;
 757
 758         cm_return_if_fail(folder != NULL);
 759
 760         node = folder->node;
 761
 762         prefs_filtering_clear_folder(folder);
 763
 764         if (node != NULL) {
 765                 g_node_traverse(node, G_POST_ORDER, G_TRAVERSE_ALL, -1,
 766                                 folder_tree_destroy_func, NULL);
 767                 g_node_destroy(node);
 768                 folder->node = NULL;
 769         }
 770 }
 771
 772 void folder_add(Folder *folder)
 773 {
 774         Folder *cur_folder;
 775         GList *cur;
 776         gint i;
 777         FolderUpdateData hookdata;
 778
 779         cm_return_if_fail(folder != NULL);
 780
 781         if ((FOLDER_TYPE(folder) == F_IMAP ||
 782              FOLDER_TYPE(folder) == F_NEWS) &&
 783             folder->account == NULL) {
 784                 return;
 785         }
 786
 787         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 788                 cur_folder = FOLDER(cur->data);
 789                 if (cur_folder->sort < folder->sort)
 790                         break;
 791         }
 792
 793         folder_list = g_list_insert(folder_list, folder, i);
 794
 795         hookdata.folder = folder;
 796         hookdata.update_flags = FOLDER_ADD_FOLDER;
 797         hookdata.item = NULL;
 798         hookdata.item2 = NULL;
 799         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 800 }
 801
 802 void folder_remove(Folder *folder)
 803 {
 804         FolderUpdateData hookdata;
 805
 806         cm_return_if_fail(folder != NULL);
 807
 808         folder_list = g_list_remove(folder_list, folder);
 809
 810         hookdata.folder = folder;
 811         hookdata.update_flags = FOLDER_REMOVE_FOLDER;
 812         hookdata.item = NULL;
 813         hookdata.item2 = NULL;
 814         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 815 }
 816
 817 GList *folder_get_list(void)
 818 {
 819         return folder_list;
 820 }
 821
 822 gint folder_read_list(void)
 823 {
 824         GNode *node, *cur;
 825         XMLNode *xmlnode;
 826         gchar *path;
 827
 828         path = folder_get_list_path();
 829         if (!is_file_exist(path)) return -1;
 830         node = xml_parse_file(path);
 831         if (!node) return -1;
 832
 833         xmlnode = node->data;
 834         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 835                 g_warning("wrong folder list\n");
 836                 xml_free_tree(node);
 837                 return -1;
 838         }
 839
 840         cur = node->children;
 841         while (cur != NULL) {
 842                 Folder *folder;
 843
 844                 folder = folder_get_from_xml(cur);
 845                 if (folder != NULL)
 846                         folder_add(folder);
 847                 else
 848                         folder_unloaded_list = g_slist_append(folder_unloaded_list,
 849                                 (gpointer) xml_copy_tree(cur));
 850                 cur = cur->next;
 851         }
 852
 853         xml_free_tree(node);
 854         if (folder_list || folder_unloaded_list)
 855                 return 0;
 856         else
 857                 return -1;
 858 }
 859
 860 void folder_write_list(void)
 861 {
 862         GList *list;
 863         GSList *slist;
 864         Folder *folder;
 865         gchar *path;
 866         PrefFile *pfile;
 867         GNode *rootnode;
 868         XMLNode *xmlnode;
 869         XMLTag *tag;
 870
 871         path = folder_get_list_path();
 872         if ((pfile = prefs_write_open(path)) == NULL) return;
 873
 874         if (xml_file_put_xml_decl(pfile->fp) < 0) {
 875                 prefs_file_close_revert(pfile);
 876                 g_warning("failed to start write folder list.\n");
 877                 return;
 878         }
 879         tag = xml_tag_new("folderlist");
 880
 881         xmlnode = xml_node_new(tag, NULL);
 882
 883         rootnode = g_node_new(xmlnode);
 884
 885         for (list = folder_list; list != NULL; list = list->next) {
 886                 GNode *node;
 887
 888                 folder = list->data;
 889                 node = folder_get_xml_node(folder);
 890                 if (node != NULL)
 891                         g_node_append(rootnode, node);
 892         }
 893
 894         for (slist = folder_unloaded_list; slist != NULL; slist = g_slist_next(slist)) {
 895                 GNode *node = (GNode *) slist->data;
 896
 897                 g_node_append(rootnode, (gpointer) xml_copy_tree(node));
 898         }
 899
 900         if (xml_write_tree(rootnode, pfile->fp) < 0) {
 901                 prefs_file_close_revert(pfile);
 902                 g_warning("failed to write folder list.\n");
 903         } else if (prefs_file_close(pfile) < 0) {
 904                 g_warning("failed to write folder list.\n");
 905         }
 906         xml_free_tree(rootnode);
 907 }
 908
 909 static gboolean folder_scan_tree_func(GNode *node, gpointer data)
 910 {
 911         GHashTable *pptable = (GHashTable *)data;
 912         FolderItem *item = (FolderItem *)node->data;
 913
 914         folder_item_restore_persist_prefs(item, pptable);
 915         folder_item_scan_full(item, FALSE);
 916
 917         return FALSE;
 918 }
 919
 920 static gboolean folder_restore_prefs_func(GNode *node, gpointer data)
 921 {
 922         GHashTable *pptable = (GHashTable *)data;
 923         FolderItem *item = (FolderItem *)node->data;
 924
 925         folder_item_restore_persist_prefs(item, pptable);
 926
 927         return FALSE;
 928 }
 929
 930 void folder_scan_tree(Folder *folder, gboolean rebuild)
 931 {
 932         GHashTable *pptable;
 933         FolderUpdateData hookdata;
 934         Folder *old_folder = folder;
 935
 936         if (!folder->klass->scan_tree)
 937                 return;
 938
 939         pptable = folder_persist_prefs_new(folder);
 940
 941         if (rebuild)
 942                 folder_remove(folder);
 943
 944         if (folder->klass->scan_tree(folder) < 0) {
 945                 if (rebuild)
 946                         folder_add(old_folder);
 947                 return;
 948         } else if (rebuild)
 949                 folder_add(folder);
 950
 951         hookdata.folder = folder;
 952         hookdata.update_flags = FOLDER_TREE_CHANGED;
 953         hookdata.item = NULL;
 954         hookdata.item2 = NULL;
 955         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 956
 957         if (rebuild)
 958                 g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 959         else
 960                 g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_restore_prefs_func, pptable);
 961
 962         folder_persist_prefs_free(pptable);
 963
 964         prefs_matcher_read_config();
 965
 966         folder_write_list();
 967 }
 968
 969 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 970 {
 971         FolderItem *new_item;
 972
 973         cm_return_val_if_fail(parent != NULL, NULL);
 974
 975         new_item = parent->folder->klass->create_folder(parent->folder, parent, name);
 976         if (new_item) {
 977                 FolderUpdateData hookdata;
 978
 979                 new_item->cache = msgcache_new();
 980                 new_item->cache_dirty = TRUE;
 981                 new_item->mark_dirty = TRUE;
 982                 new_item->tags_dirty = TRUE;
 983
 984                 hookdata.folder = new_item->folder;
 985                 hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDERITEM;
 986                 hookdata.item = new_item;
 987                 hookdata.item2 = NULL;
 988                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
 989         }
 990
 991         return new_item;
 992 }
 993
 994 gint folder_item_rename(FolderItem *item, gchar *newname)
 995 {
 996         gint retval;
 997
 998         cm_return_val_if_fail(item != NULL, -1);
 999         cm_return_val_if_fail(newname != NULL, -1);
1000
1001         retval = item->folder->klass->rename_folder(item->folder, item, newname);
1002
1003         if (retval >= 0) {
1004                 FolderItemUpdateData hookdata;
1005                 FolderUpdateData hookdata2;
1006
1007                 hookdata.item = item;
1008                 hookdata.update_flags = F_ITEM_UPDATE_NAME;
1009                 hookdata.msg = NULL;
1010                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
1011
1012                 hookdata2.folder = item->folder;
1013                 hookdata2.item = item;
1014                 hookdata2.item2 = NULL;
1015                 hookdata2.update_flags = FOLDER_RENAME_FOLDERITEM;
1016                 hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata2);
1017         }
1018
1019         return retval;
1020 }
1021
1022 struct TotalMsgCount
1023 {
1024         guint new_msgs;
1025         guint unread_msgs;
1026         guint unreadmarked_msgs;
1027         guint marked_msgs;
1028         guint total_msgs;
1029         guint replied_msgs;
1030         guint forwarded_msgs;
1031         guint locked_msgs;
1032         guint ignored_msgs;
1033         guint watched_msgs;
1034 };
1035
1036 struct FuncToAllFoldersData
1037 {
1038         FolderItemFunc  function;
1039         gpointer        data;
1040 };
1041
1042 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
1043 {
1044         FolderItem *item;
1045         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
1046
1047         cm_return_val_if_fail(node->data != NULL, FALSE);
1048
1049         item = FOLDER_ITEM(node->data);
1050         cm_return_val_if_fail(item != NULL, FALSE);
1051
1052         function_data->function(item, function_data->data);
1053
1054         return FALSE;
1055 }
1056
1057 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
1058 {
1059         GList *list;
1060         Folder *folder;
1061         struct FuncToAllFoldersData function_data;
1062
1063         function_data.function = function;
1064         function_data.data = data;
1065
1066         for (list = folder_list; list != NULL; list = list->next) {
1067                 folder = FOLDER(list->data);
1068                 if (folder->node)
1069                         g_node_traverse(folder->node, G_PRE_ORDER,
1070                                         G_TRAVERSE_ALL, -1,
1071                                         folder_func_to_all_folders_func,
1072                                         &function_data);
1073         }
1074 }
1075
1076 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
1077 {
1078         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
1079
1080         count->new_msgs += item->new_msgs;
1081         count->unread_msgs += item->unread_msgs;
1082         count->unreadmarked_msgs += item->unreadmarked_msgs;
1083         count->marked_msgs += item->marked_msgs;
1084         count->total_msgs += item->total_msgs;
1085         count->replied_msgs += item->replied_msgs;
1086         count->forwarded_msgs += item->forwarded_msgs;
1087         count->locked_msgs += item->locked_msgs;
1088         count->ignored_msgs += item->ignored_msgs;
1089         count->watched_msgs += item->watched_msgs;
1090 }
1091
1092 struct TotalMsgStatus
1093 {
1094         guint new;
1095         guint unread;
1096         guint total;
1097         GString *str;
1098 };
1099
1100 static gboolean folder_get_status_full_all_func(GNode *node, gpointer data)
1101 {
1102         FolderItem *item;
1103         struct TotalMsgStatus *status = (struct TotalMsgStatus *)data;
1104         gchar *id;
1105
1106         cm_return_val_if_fail(node->data != NULL, FALSE);
1107
1108         item = FOLDER_ITEM(node->data);
1109
1110         if (!item->path) return FALSE;
1111
1112         status->new += item->new_msgs;
1113         status->unread += item->unread_msgs;
1114         status->total += item->total_msgs;
1115
1116         if (status->str) {
1117                 id = folder_item_get_identifier(item);
1118                 g_string_append_printf(status->str, "%5d %5d %5d %s\n",
1119                                   item->new_msgs, item->unread_msgs,
1120                                   item->total_msgs, id);
1121                 g_free(id);
1122         }
1123
1124         return FALSE;
1125  }
1126
1127 static void folder_get_status_full_all(GString *str, guint *new, guint *unread,
1128                                        guint *total)
1129 {
1130         GList *list;
1131         Folder *folder;
1132         struct TotalMsgStatus status;
1133
1134         status.new = status.unread = status.total = 0;
1135         status.str = str;
1136
1137         debug_print("Counting total number of messages...\n");
1138
1139         for (list = folder_list; list != NULL; list = list->next) {
1140                 folder = FOLDER(list->data);
1141                 if (folder->node)
1142                         g_node_traverse(folder->node, G_PRE_ORDER,
1143                                         G_TRAVERSE_ALL, -1,
1144                                         folder_get_status_full_all_func,
1145                                         &status);
1146         }
1147
1148         *new = status.new;
1149         *unread = status.unread;
1150         *total = status.total;
1151 }
1152
1153 gchar *folder_get_status(GPtrArray *folders, gboolean full)
1154 {
1155         guint new, unread, total;
1156         GString *str;
1157         gint i;
1158         gchar *ret;
1159
1160         new = unread = total = 0;
1161
1162         str = g_string_new(NULL);
1163
1164         if (folders) {
1165                 for (i = 0; i < folders->len; i++) {
1166                         FolderItem *item;
1167
1168                         item = g_ptr_array_index(folders, i);
1169                         new += item->new_msgs;
1170                         unread += item->unread_msgs;
1171                         total += item->total_msgs;
1172
1173                         if (full) {
1174                                 gchar *id;
1175
1176                                 id = folder_item_get_identifier(item);
1177                                 g_string_append_printf(str, "%5d %5d %5d %s\n",
1178                                                   item->new_msgs, item->unread_msgs,
1179                                                   item->total_msgs, id);
1180                                 g_free(id);
1181                         }
1182                 }
1183         } else {
1184                 folder_get_status_full_all(full ? str : NULL,
1185                                            &new, &unread, &total);
1186         }
1187
1188         if (full)
1189                 g_string_append_printf(str, "%5d %5d %5d\n", new, unread, total);
1190         else
1191                 g_string_append_printf(str, "%d %d %d\n", new, unread, total);
1192
1193         ret = str->str;
1194         g_string_free(str, FALSE);
1195
1196         return ret;
1197 }
1198
1199 void folder_count_total_msgs(guint *new_msgs, guint *unread_msgs,
1200                              guint *unreadmarked_msgs, guint *marked_msgs,
1201                              guint *total_msgs, guint *replied_msgs,
1202                              guint *forwarded_msgs, guint *locked_msgs,
1203                              guint *ignored_msgs, guint *watched_msgs)
1204 {
1205         struct TotalMsgCount count;
1206
1207         count.new_msgs = count.unread_msgs = count.unreadmarked_msgs = 0;
1208         count.total_msgs = count.replied_msgs = count.forwarded_msgs = 0;
1209         count.locked_msgs = count.ignored_msgs = count.watched_msgs = 0;
1210         count.marked_msgs = 0;
1211
1212         debug_print("Counting total number of messages...\n");
1213
1214         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
1215
1216         *new_msgs = count.new_msgs;
1217         *unread_msgs = count.unread_msgs;
1218         *unreadmarked_msgs = count.unreadmarked_msgs;
1219         *marked_msgs = count.marked_msgs;
1220         *total_msgs = count.total_msgs;
1221         *replied_msgs = count.replied_msgs;
1222         *forwarded_msgs = count.forwarded_msgs;
1223         *locked_msgs = count.locked_msgs;
1224         *ignored_msgs = count.ignored_msgs;
1225         *watched_msgs = count.watched_msgs;
1226 }
1227
1228 Folder *folder_find_from_path(const gchar *path)
1229 {
1230         GList *list;
1231         Folder *folder;
1232
1233         for (list = folder_list; list != NULL; list = list->next) {
1234                 folder = list->data;
1235                 if ((FOLDER_TYPE(folder) == F_MH ||
1236                      FOLDER_TYPE(folder) == F_MBOX) &&
1237                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
1238                         return folder;
1239         }
1240
1241         return NULL;
1242 }
1243
1244 Folder *folder_find_from_name(const gchar *name, FolderClass *klass)
1245 {
1246         GList *list;
1247         Folder *folder;
1248
1249         for (list = folder_list; list != NULL; list = list->next) {
1250                 folder = list->data;
1251                 if (folder->klass == klass &&
1252                     strcmp2(name, folder->name) == 0)
1253                         return folder;
1254         }
1255
1256         return NULL;
1257 }
1258
1259 static gboolean folder_item_find_func(GNode *node, gpointer data)
1260 {
1261         FolderItem *item = node->data;
1262         gpointer *d = data;
1263         const gchar *path = d[0];
1264
1265         if (path_cmp(path, item->path) != 0)
1266                 return FALSE;
1267
1268         d[1] = item;
1269
1270         return TRUE;
1271 }
1272
1273 FolderItem *folder_find_item_from_path(const gchar *path)
1274 {
1275         Folder *folder;
1276         gpointer d[2];
1277         GList *list = folder_get_list();
1278
1279         folder = list ? list->data:NULL;
1280
1281         cm_return_val_if_fail(folder != NULL, NULL);
1282
1283         d[0] = (gpointer)path;
1284         d[1] = NULL;
1285         while (d[1] == NULL && list) {
1286                 folder = FOLDER(list->data);
1287                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1288                         folder_item_find_func, d);
1289                 list = list->next;
1290         }
1291         return d[1];
1292 }
1293
1294 static gboolean folder_item_find_func_real_path(GNode *node, gpointer data)
1295 {
1296         FolderItem *item = node->data;
1297         gpointer *d = data;
1298         const gchar *path = d[0];
1299         gchar *tmp = folder_item_get_path(item);
1300         if (path_cmp(path, tmp) != 0) {
1301                 g_free(tmp);
1302                 return FALSE;
1303         }
1304         g_free(tmp);
1305         d[1] = item;
1306
1307         return TRUE;
1308 }
1309
1310 FolderItem *folder_find_item_from_real_path(const gchar *path)
1311 {
1312         Folder *folder;
1313         gpointer d[2];
1314         GList *list = folder_get_list();
1315
1316         folder = list ? list->data:NULL;
1317
1318         cm_return_val_if_fail(folder != NULL, NULL);
1319
1320         d[0] = (gpointer)path;
1321         d[1] = NULL;
1322         while (d[1] == NULL && list) {
1323                 folder = FOLDER(list->data);
1324                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1325                         folder_item_find_func_real_path, d);
1326                 list = list->next;
1327         }
1328         return d[1];
1329 }
1330
1331 FolderItem *folder_find_child_item_by_name(FolderItem *item, const gchar *name)
1332 {
1333         GNode *node;
1334         FolderItem *child;
1335
1336         for (node = item->node->children; node != NULL; node = node->next) {
1337                 child = FOLDER_ITEM(node->data);
1338                 if (strcmp2(child->name, name) == 0) {
1339                         return child;
1340                 }
1341         }
1342
1343         return NULL;
1344 }
1345
1346 FolderClass *folder_get_class_from_string(const gchar *str)
1347 {
1348         GSList *classlist;
1349
1350         classlist = folder_get_class_list();
1351         for (; classlist != NULL; classlist = g_slist_next(classlist)) {
1352                 FolderClass *class = (FolderClass *) classlist->data;
1353                 if (g_ascii_strcasecmp(class->idstr, str) == 0)
1354                         return class;
1355         }
1356
1357         return NULL;
1358 }
1359
1360 gchar *folder_get_identifier(Folder *folder)
1361 {
1362         gchar *type_str;
1363
1364         cm_return_val_if_fail(folder != NULL, NULL);
1365
1366         type_str = folder->klass->idstr;
1367         return g_strconcat("#", type_str, "/", folder->name, NULL);
1368 }
1369
1370 gchar *folder_item_get_identifier(FolderItem *item)
1371 {
1372         gchar *id = NULL;
1373         gchar *folder_id = NULL;
1374
1375         cm_return_val_if_fail(item != NULL, NULL);
1376
1377         if (item->path == NULL)
1378                 return NULL;
1379
1380         folder_id = folder_get_identifier(item->folder);
1381         id = g_strconcat(folder_id, "/", item->path, NULL);
1382         g_free(folder_id);
1383
1384         return id;
1385 }
1386
1387 Folder *folder_find_from_identifier(const gchar *identifier)
1388 {
1389         gchar *str;
1390         gchar *p;
1391         gchar *name;
1392         FolderClass *class;
1393
1394         cm_return_val_if_fail(identifier != NULL, NULL);
1395
1396         if (*identifier != '#')
1397                 return NULL;
1398
1399         Xstrdup_a(str, identifier, return NULL);
1400
1401         p = strchr(str, '/');
1402         if (!p)
1403                 return NULL;
1404         *p = '\0';
1405         p++;
1406         class = folder_get_class_from_string(&str[1]);
1407         if (class == NULL)
1408                 return NULL;
1409
1410         name = p;
1411         p = strchr(p, '/');
1412         if (p)
1413                 return NULL;
1414
1415         return folder_find_from_name(name, class);
1416 }
1417
1418 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
1419 {
1420         Folder *folder;
1421         gpointer d[2];
1422         gchar *str;
1423         gchar *p;
1424         gchar *name;
1425         gchar *path;
1426         FolderClass *class;
1427
1428         cm_return_val_if_fail(identifier != NULL, NULL);
1429
1430         if (*identifier != '#')
1431                 return folder_find_item_from_path(identifier);
1432
1433         Xstrdup_a(str, identifier, return NULL);
1434
1435         p = strchr(str, '/');
1436         if (!p)
1437                 return folder_find_item_from_path(identifier);
1438         *p = '\0';
1439         p++;
1440         class = folder_get_class_from_string(&str[1]);
1441         if (class == NULL)
1442                 return folder_find_item_from_path(identifier);
1443
1444         name = p;
1445         p = strchr(p, '/');
1446         if (!p)
1447                 return folder_find_item_from_path(identifier);
1448         *p = '\0';
1449         p++;
1450
1451         folder = folder_find_from_name(name, class);
1452         if (!folder)
1453                 return folder_find_item_from_path(identifier);
1454
1455         path = p;
1456
1457         d[0] = (gpointer)path;
1458         d[1] = NULL;
1459         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1460                         folder_item_find_func, d);
1461         return d[1];
1462 }
1463
1464 /** Returns the FolderItem from a given identifier
1465  *
1466  * The FolderItem is created if it doesn't already exist.
1467  * If creation failed, the function returns NULL.
1468  *
1469  * Identifiers are of the form #type/Mailbox/FolderA/FolderB/FolderC
1470  */
1471 FolderItem *folder_get_item_from_identifier(const gchar *identifier)
1472 {
1473         FolderItem *item, *last_parent;
1474         Folder *folder;
1475         gchar *p1, *p2, *str;
1476         size_t len;
1477         FolderClass *class;
1478         gboolean created_something = FALSE;
1479
1480         item = folder_find_item_from_identifier(identifier);
1481         if(item)
1482                 return item;
1483
1484         /* trivial sanity check: need at least # and two slashes */
1485         len = strlen(identifier);
1486         if(len < 3)
1487                 return NULL;
1488
1489         /* make sure identifier ends with a slash */
1490         if(identifier[len-1] == G_DIR_SEPARATOR) {
1491                 Xstrdup_a(str, identifier, return NULL);
1492         }
1493         else {
1494                 Xstrndup_a(str, identifier, len+1, return NULL);
1495                 str[len] = G_DIR_SEPARATOR;
1496         }
1497
1498         /* find folder class */
1499         p1 = strchr(str, G_DIR_SEPARATOR);
1500         if(!p1)
1501                 return NULL;
1502         *p1 = '\0';
1503         class = folder_get_class_from_string(&str[1]);
1504         if(!class)
1505                 return NULL;
1506         *p1 = G_DIR_SEPARATOR;
1507         ++p1;
1508
1509         /* find folder from class and name */
1510         p2 = strchr(p1, G_DIR_SEPARATOR);
1511         if(!p2)
1512                 return NULL;
1513         *p2 = '\0';
1514         folder = folder_find_from_name(p1, class);
1515         if(!folder)
1516                 return NULL;
1517         *p2 = G_DIR_SEPARATOR;
1518         ++p2;
1519         p1 = p2;
1520
1521         /* Now, move forward and make sure all sections in the path exist */
1522         last_parent = folder->node->data;
1523         while((p1 = strchr(p1, G_DIR_SEPARATOR)) != NULL) {
1524                 *p1 = '\0';
1525                 item = folder_find_item_from_identifier(str);
1526                 if(!item) {
1527                         item = folder_create_folder(last_parent, p2);
1528                         if(!item)
1529                                 return NULL;
1530                         debug_print("Created folder '%s'\n", str);
1531                         created_something = TRUE;
1532                         if(prefs_common.inherit_folder_props && (last_parent != item->folder->node->data)) {
1533                                 folder_item_prefs_copy_prefs(last_parent, item);
1534                         }
1535                 }
1536                 last_parent = item;
1537                 *p1 = G_DIR_SEPARATOR;
1538                 ++p1;
1539                 p2 = p1;
1540         }
1541
1542         if(created_something)
1543                 folder_write_list();
1544
1545         return item;
1546 }
1547
1548
1549 /**
1550  * Get a displayable name for a FolderItem
1551  *
1552  * \param item FolderItem for that a name should be created
1553  * \return Displayable name for item, returned string has to
1554  *         be freed
1555  */
1556 gchar *folder_item_get_name(FolderItem *item)
1557 {
1558         gchar *name = NULL;
1559
1560         cm_return_val_if_fail(item != NULL, g_strdup(""));
1561
1562         switch (item->stype) {
1563         case F_INBOX:
1564                 name = g_strdup(!strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1565                                 item->name);
1566                 break;
1567         case F_OUTBOX:
1568                 name = g_strdup(!strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1569                                 item->name);
1570                 break;
1571         case F_QUEUE:
1572                 name = g_strdup(!strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1573                                 item->name);
1574                 break;
1575         case F_TRASH:
1576                 name = g_strdup(!strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1577                                 item->name);
1578                 break;
1579         case F_DRAFT:
1580                 name = g_strdup(!strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1581                                 item->name);
1582                 break;
1583         default:
1584                 break;
1585         }
1586
1587         if (name == NULL) {
1588                 /*
1589                  * should probably be done by a virtual function,
1590                  * the folder knows the ui string and how to abbrev
1591                 */
1592                 if (folder_item_parent(item) == NULL) {
1593                         name = g_strconcat(item->name, " (", item->folder->klass->uistr, ")", NULL);
1594                 } else {
1595                         if (FOLDER_CLASS(item->folder) == news_get_class() &&
1596                             item->path && !strcmp2(item->name, item->path))
1597                                 name = get_abbrev_newsgroup_name
1598                                         (item->path,
1599                                          prefs_common.ng_abbrev_len);
1600                         else
1601                                 name = g_strdup(item->name);
1602                 }
1603         }
1604
1605         if (name == NULL)
1606                 name = g_strdup("");
1607
1608         return name;
1609 }
1610
1611 gboolean folder_have_mailbox (void)
1612 {
1613         GList *cur;
1614         for (cur = folder_list; cur != NULL; cur = g_list_next(cur)) {
1615                 Folder *folder = FOLDER(cur->data);
1616                 if (folder->inbox && folder->outbox)
1617                         return TRUE;
1618         }
1619         return FALSE;
1620 }
1621
1622 FolderItem *folder_get_default_inbox(void)
1623 {
1624         GList *flist;
1625
1626         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1627                 Folder * folder = FOLDER(flist->data);
1628
1629                 if (folder == NULL)
1630                         continue;
1631                 if (folder->inbox == NULL)
1632                         continue;
1633                 if (folder->klass->type == F_UNKNOWN)
1634                         continue;
1635
1636                 return folder->inbox;
1637         }
1638
1639         return NULL;
1640 }
1641
1642 FolderItem *folder_get_default_inbox_for_class(FolderType type)
1643 {
1644         GList *flist;
1645
1646         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1647                 Folder * folder = FOLDER(flist->data);
1648
1649                 if (folder == NULL)
1650                         continue;
1651                 if (folder->inbox == NULL)
1652                         continue;
1653                 if (folder->klass->type != type)
1654                         continue;
1655
1656                 return folder->inbox;
1657         }
1658
1659         return NULL;
1660 }
1661
1662 FolderItem *folder_get_default_outbox(void)
1663 {
1664         GList *flist;
1665
1666         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1667                 Folder * folder = FOLDER(flist->data);
1668
1669                 if (folder == NULL)
1670                         continue;
1671                 if (folder->outbox == NULL)
1672                         continue;
1673                 if (folder->klass->type == F_UNKNOWN)
1674                         continue;
1675
1676                 return folder->outbox;
1677         }
1678
1679         return NULL;
1680 }
1681
1682 FolderItem *folder_get_default_outbox_for_class(FolderType type)
1683 {
1684         GList *flist;
1685
1686         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1687                 Folder * folder = FOLDER(flist->data);
1688
1689                 if (folder == NULL)
1690                         continue;
1691                 if (folder->outbox == NULL)
1692                         continue;
1693                 if (folder->klass->type != type)
1694                         continue;
1695
1696                 return folder->outbox;
1697         }
1698
1699         return NULL;
1700 }
1701
1702 FolderItem *folder_get_default_draft(void)
1703 {
1704         GList *flist;
1705
1706         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1707                 Folder * folder = FOLDER(flist->data);
1708
1709                 if (folder == NULL)
1710                         continue;
1711                 if (folder->draft == NULL)
1712                         continue;
1713                 if (folder->klass->type == F_UNKNOWN)
1714                         continue;
1715
1716                 return folder->draft;
1717         }
1718
1719         return NULL;
1720 }
1721
1722 FolderItem *folder_get_default_draft_for_class(FolderType type)
1723 {
1724         GList *flist;
1725
1726         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1727                 Folder * folder = FOLDER(flist->data);
1728
1729                 if (folder == NULL)
1730                         continue;
1731                 if (folder->draft == NULL)
1732                         continue;
1733                 if (folder->klass->type != type)
1734                         continue;
1735
1736                 return folder->draft;
1737         }
1738
1739         return NULL;
1740 }
1741
1742 FolderItem *folder_get_default_queue(void)
1743 {
1744         GList *flist;
1745
1746         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1747                 Folder * folder = FOLDER(flist->data);
1748
1749                 if (folder == NULL)
1750                         continue;
1751                 if (folder->queue == NULL)
1752                         continue;
1753                 if (folder->klass->type == F_UNKNOWN)
1754                         continue;
1755
1756                 return folder->queue;
1757         }
1758
1759         return NULL;
1760 }
1761
1762 FolderItem *folder_get_default_queue_for_class(FolderType type)
1763 {
1764         GList *flist;
1765
1766         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1767                 Folder * folder = FOLDER(flist->data);
1768
1769                 if (folder == NULL)
1770                         continue;
1771                 if (folder->queue == NULL)
1772                         continue;
1773                 if (folder->klass->type != type)
1774                         continue;
1775
1776                 return folder->queue;
1777         }
1778
1779         return NULL;
1780 }
1781
1782 FolderItem *folder_get_default_trash(void)
1783 {
1784         GList *flist;
1785
1786         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1787                 Folder * folder = FOLDER(flist->data);
1788
1789                 if (folder == NULL)
1790                         continue;
1791                 if (folder->trash == NULL)
1792                         continue;
1793                 if (folder->klass->type == F_UNKNOWN)
1794                         continue;
1795
1796                 return folder->trash;
1797         }
1798
1799         return NULL;
1800 }
1801
1802 FolderItem *folder_get_default_trash_for_class(FolderType type)
1803 {
1804         GList *flist;
1805
1806         for (flist = folder_list; flist != NULL; flist = g_list_next(flist)) {
1807                 Folder * folder = FOLDER(flist->data);
1808
1809                 if (folder == NULL)
1810                         continue;
1811                 if (folder->trash == NULL)
1812                         continue;
1813                 if (folder->klass->type != type)
1814                         continue;
1815
1816                 return folder->trash;
1817         }
1818
1819         return NULL;
1820 }
1821
1822 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
1823 {                                                               \
1824         if (!folder->member) {                                  \
1825                 item = folder_item_new(folder, dir, dir);       \
1826                 item->stype = type;                             \
1827                 folder_item_append(rootitem, item);             \
1828                 folder->member = item;                          \
1829         }                                                       \
1830 }
1831
1832 void folder_set_missing_folders(void)
1833 {
1834         Folder *folder;
1835         FolderItem *rootitem;
1836         FolderItem *item;
1837         GList *list;
1838
1839         for (list = folder_list; list != NULL; list = list->next) {
1840                 folder = list->data;
1841                 if (FOLDER_TYPE(folder) != F_MH) continue;
1842                 rootitem = FOLDER_ITEM(folder->node->data);
1843                 cm_return_if_fail(rootitem != NULL);
1844
1845                 if (folder->inbox && folder->outbox && folder->draft &&
1846                     folder->queue && folder->trash)
1847                         continue;
1848
1849                 if (folder->klass->create_tree(folder) < 0) {
1850                         g_warning("%s: can't create the folder tree.\n",
1851                                   LOCAL_FOLDER(folder)->rootpath);
1852                         continue;
1853                 }
1854
1855                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
1856                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
1857                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
1858                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
1859                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
1860         }
1861 }
1862
1863 static gboolean folder_unref_account_func(GNode *node, gpointer data)
1864 {
1865         FolderItem *item = node->data;
1866         PrefsAccount *account = data;
1867
1868         if (item->account == account)
1869                 item->account = NULL;
1870
1871         return FALSE;
1872 }
1873
1874 void folder_unref_account_all(PrefsAccount *account)
1875 {
1876         Folder *folder;
1877         GList *list;
1878
1879         if (!account) return;
1880
1881         for (list = folder_list; list != NULL; list = list->next) {
1882                 folder = list->data;
1883                 if (folder->account == account)
1884                         folder->account = NULL;
1885                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1886                                 folder_unref_account_func, account);
1887         }
1888 }
1889
1890 #undef CREATE_FOLDER_IF_NOT_EXIST
1891
1892 gchar *folder_item_get_path(FolderItem *item)
1893 {
1894         Folder *folder;
1895
1896         cm_return_val_if_fail(item != NULL, NULL);
1897         folder = item->folder;
1898         cm_return_val_if_fail(folder != NULL, NULL);
1899
1900         return folder->klass->item_get_path(folder, item);
1901 }
1902
1903 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
1904 {
1905         MsgInfo *msginfo_a = (MsgInfo *) a;
1906         MsgInfo *msginfo_b = (MsgInfo *) b;
1907
1908         return (msginfo_a->msgnum - msginfo_b->msgnum);
1909 }
1910
1911 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
1912 {
1913         guint gint_a = GPOINTER_TO_INT(a);
1914         guint gint_b = GPOINTER_TO_INT(b);
1915
1916         return (gint_a - gint_b);
1917 }
1918
1919 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
1920 {
1921         GHashTable *relation;
1922         gint ret = 0;
1923         GSList *cur;
1924
1925         if(msglist == NULL)
1926                 return 0;
1927         if(item->folder->klass->get_flags == NULL)
1928                 return 0;
1929         if (item->no_select)
1930                 return 0;
1931
1932         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
1933         if ((ret = item->folder->klass->get_flags(
1934             item->folder, item, msglist, relation)) == 0) {
1935                 gpointer data, old_key;
1936                 MsgInfo *msginfo;
1937                 MsgPermFlags permflags = 0;
1938
1939                 folder_item_update_freeze();
1940                 folder_item_set_batch(item, TRUE);
1941                 for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
1942                         msginfo = (MsgInfo *) cur->data;
1943
1944                         if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data)) {
1945                                 permflags = GPOINTER_TO_INT(data);
1946
1947                                 if (msginfo->flags.perm_flags != permflags) {
1948                                         procmsg_msginfo_change_flags(msginfo,
1949                                                 permflags & ~msginfo->flags.perm_flags, 0,
1950                                                 ~permflags & msginfo->flags.perm_flags, 0);
1951                                 }
1952                         }
1953                 }
1954                 folder_item_set_batch(item, FALSE);
1955                 folder_item_update_thaw();
1956         }
1957         g_hash_table_destroy(relation);
1958
1959         return ret;
1960 }
1961
1962 static gint folder_item_syncronize_flags(FolderItem *item)
1963 {
1964         MsgInfoList *msglist = NULL;
1965         GSList *cur;
1966         gint ret = 0;
1967
1968         cm_return_val_if_fail(item != NULL, -1);
1969         cm_return_val_if_fail(item->folder != NULL, -1);
1970         cm_return_val_if_fail(item->folder->klass != NULL, -1);
1971         if (item->no_select)
1972                 return -1;
1973
1974         item->scanning = ITEM_SCANNING_WITH_FLAGS;
1975
1976         if (item->cache == NULL)
1977                 folder_item_read_cache(item);
1978
1979         msglist = msgcache_get_msg_list(item->cache);
1980
1981         ret = syncronize_flags(item, msglist);
1982
1983         for (cur = msglist; cur != NULL; cur = g_slist_next(cur))
1984                 procmsg_msginfo_free((MsgInfo *) cur->data);
1985
1986         g_slist_free(msglist);
1987
1988         item->scanning = ITEM_NOT_SCANNING;
1989
1990         return ret;
1991 }
1992
1993 static void folder_item_process_open (FolderItem *item,
1994                                  void (*before_proc_func)(gpointer data),
1995                                  void (*after_proc_func)(gpointer data),
1996                                  gpointer data)
1997 {
1998         gchar *buf;
1999         if (item == NULL)
2000                 return;
2001         if((item->folder->klass->scan_required != NULL) &&
2002            (item->folder->klass->scan_required(item->folder, item))) {
2003                 folder_item_scan_full(item, TRUE);
2004         } else {
2005                 folder_item_syncronize_flags(item);
2006         }
2007
2008         /* Processing */
2009         if (item->prefs->enable_processing_when_opening) {
2010                 buf = g_strdup_printf(_("Processing (%s)...\n"),
2011                               item->path ? item->path : item->name);
2012                 g_free(buf);
2013
2014                 if (before_proc_func)
2015                         before_proc_func(data);
2016
2017                 folder_item_apply_processing(item);
2018
2019                 if (after_proc_func)
2020                         after_proc_func(data);
2021         }
2022         item->processing_pending = FALSE;
2023         return;
2024 }
2025
2026 gint folder_item_open(FolderItem *item)
2027 {
2028         START_TIMING("");
2029         if (item->no_select)
2030                 return -1;
2031
2032         if (item->scanning != ITEM_NOT_SCANNING) {
2033                 debug_print("%s is scanning... \n", item->path ? item->path : item->name);
2034                 return -2;
2035         }
2036
2037         item->processing_pending = TRUE;
2038         folder_item_process_open (item, NULL, NULL, NULL);
2039
2040         item->opened = TRUE;
2041         END_TIMING();
2042         return 0;
2043 }
2044
2045 gint folder_item_close(FolderItem *item)
2046 {
2047         GSList *mlist, *cur;
2048         Folder *folder;
2049
2050         cm_return_val_if_fail(item != NULL, -1);
2051
2052         if (item->no_select)
2053                 return -1;
2054
2055         if (item->new_msgs) {
2056                 folder_item_update_freeze();
2057                 mlist = folder_item_get_msg_list(item);
2058                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
2059                         MsgInfo * msginfo;
2060
2061                         msginfo = (MsgInfo *) cur->data;
2062                         if (MSG_IS_NEW(msginfo->flags))
2063                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
2064                         procmsg_msginfo_free(msginfo);
2065                 }
2066                 g_slist_free(mlist);
2067                 folder_item_update_thaw();
2068         }
2069
2070         folder_item_write_cache(item);
2071
2072         folder_item_update(item, F_ITEM_UPDATE_MSGCNT);
2073
2074         item->opened = FALSE;
2075         folder = item->folder;
2076
2077         if (folder->klass->close == NULL)
2078                 return 0;
2079
2080         return folder->klass->close(folder, item);
2081 }
2082
2083 static MsgInfoList *get_msginfos(FolderItem *item, MsgNumberList *numlist)
2084 {
2085         MsgInfoList *msglist = NULL;
2086         Folder *folder = item->folder;
2087         if (item->no_select)
2088                 return NULL;
2089
2090         if (folder->klass->get_msginfos != NULL)
2091                 msglist = folder->klass->get_msginfos(folder, item, numlist);
2092         else {
2093                 MsgNumberList *elem;
2094
2095                 for (elem = numlist; elem != NULL; elem = g_slist_next(elem)) {
2096                         MsgInfo *msginfo;
2097                         guint num;
2098
2099                         num = GPOINTER_TO_INT(elem->data);
2100                         msginfo = folder->klass->get_msginfo(folder, item, num);
2101                         if (msginfo != NULL)
2102                                 msglist = g_slist_prepend(msglist, msginfo);
2103                 }
2104         }
2105
2106         return msglist;
2107 }
2108
2109 static MsgInfo *get_msginfo(FolderItem *item, guint num)
2110 {
2111         MsgNumberList numlist;
2112         MsgInfoList *msglist;
2113         MsgInfo *msginfo = NULL;
2114
2115         numlist.data = GINT_TO_POINTER(num);
2116         numlist.next = NULL;
2117         msglist = get_msginfos(item, &numlist);
2118         if (msglist != NULL)
2119                 msginfo = procmsg_msginfo_new_ref(msglist->data);
2120         procmsg_msg_list_free(msglist);
2121
2122         return msginfo;
2123 }
2124
2125 gint folder_item_scan_full(FolderItem *item, gboolean filtering)
2126 {
2127         Folder *folder;
2128         GSList *folder_list = NULL, *cache_list = NULL;
2129         GSList *folder_list_cur, *cache_list_cur, *new_list = NULL;
2130         GSList *exists_list = NULL, *elem;
2131         GSList *newmsg_list = NULL;
2132         guint newcnt = 0, unreadcnt = 0, totalcnt = 0;
2133         guint markedcnt = 0, unreadmarkedcnt = 0;
2134         guint repliedcnt = 0, forwardedcnt = 0;
2135         guint lockedcnt = 0, ignoredcnt = 0, watchedcnt = 0;
2136
2137         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
2138         gboolean update_flags = 0, old_uids_valid = FALSE;
2139         GHashTable *subject_table = NULL;
2140
2141         cm_return_val_if_fail(item != NULL, -1);
2142         if (item->path == NULL) return -1;
2143
2144         folder = item->folder;
2145
2146         cm_return_val_if_fail(folder != NULL, -1);
2147         cm_return_val_if_fail(folder->klass->get_num_list != NULL, -1);
2148
2149         item->scanning = ITEM_SCANNING_WITH_FLAGS;
2150
2151         debug_print("Scanning folder %s for cache changes.\n", item->path ? item->path : "(null)");
2152
2153         /* Get list of messages for folder and cache */
2154         if (folder->klass->get_num_list(item->folder, item, &folder_list, &old_uids_valid) < 0) {
2155                 debug_print("Error fetching list of message numbers\n");
2156                 item->scanning = ITEM_NOT_SCANNING;
2157                 return(-1);
2158         }
2159
2160         if(prefs_common.thread_by_subject) {
2161                 subject_table = g_hash_table_new(g_str_hash, g_str_equal);
2162         }
2163
2164         if (old_uids_valid) {
2165                 if (!item->cache)
2166                         folder_item_read_cache(item);
2167                 cache_list = msgcache_get_msg_list(item->cache);
2168         } else {
2169                 if (item->cache)
2170                         msgcache_destroy(item->cache);
2171                 item->cache = msgcache_new();
2172                 item->cache_dirty = TRUE;
2173                 item->mark_dirty = TRUE;
2174                 item->tags_dirty = TRUE;
2175                 cache_list = NULL;
2176         }
2177
2178         /* Sort both lists */
2179         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
2180         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
2181
2182         cache_list_cur = cache_list;
2183         folder_list_cur = folder_list;
2184
2185         if (cache_list_cur != NULL) {
2186                 GSList *cache_list_last;
2187
2188                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2189                 cache_list_last = g_slist_last(cache_list);
2190                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
2191         } else {
2192                 cache_cur_num = G_MAXINT;
2193                 cache_max_num = 0;
2194         }
2195
2196         if (folder_list_cur != NULL) {
2197                 GSList *folder_list_last;
2198
2199                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2200                 folder_list_last = g_slist_last(folder_list);
2201                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
2202         } else {
2203                 folder_cur_num = G_MAXINT;
2204                 folder_max_num = 0;
2205         }
2206
2207         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
2208                 /*
2209                  *  Message only exists in the folder
2210                  *  Remember message for fetching
2211                  */
2212                 if (folder_cur_num < cache_cur_num) {
2213                         gboolean add = FALSE;
2214
2215                         switch(FOLDER_TYPE(folder)) {
2216                                 case F_NEWS:
2217                                         if (folder_cur_num < cache_max_num)
2218                                                 break;
2219
2220                                         if (folder->account->max_articles == 0) {
2221                                                 add = TRUE;
2222                                         }
2223
2224                                         if (folder_max_num <= folder->account->max_articles) {
2225                                                 add = TRUE;
2226                                         } else if (folder_cur_num > (folder_max_num - folder->account->max_articles)) {
2227                                                 add = TRUE;
2228                                         }
2229                                         break;
2230                                 default:
2231                                         add = TRUE;
2232                                         break;
2233                         }
2234
2235                         if (add) {
2236                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
2237                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
2238                         }
2239
2240                         /* Move to next folder number */
2241                         if (folder_list_cur)
2242                                 folder_list_cur = folder_list_cur->next;
2243
2244                         if (folder_list_cur != NULL)
2245                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2246                         else
2247                                 folder_cur_num = G_MAXINT;
2248
2249                         continue;
2250                 }
2251
2252                 /*
2253                  *  Message only exists in the cache
2254                  *  Remove the message from the cache
2255                  */
2256                 if (cache_cur_num < folder_cur_num) {
2257                         msgcache_remove_msg(item->cache, cache_cur_num);
2258                         debug_print("Removed message %d from cache.\n", cache_cur_num);
2259
2260                         /* Move to next cache number */
2261                         if (cache_list_cur)
2262                                 cache_list_cur = cache_list_cur->next;
2263
2264                         if (cache_list_cur != NULL)
2265                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2266                         else
2267                                 cache_cur_num = G_MAXINT;
2268
2269                         update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2270
2271                         continue;
2272                 }
2273
2274                 /*
2275                  *  Message number exists in folder and cache!
2276                  *  Check if the message has been modified
2277                  */
2278                 if (cache_cur_num == folder_cur_num) {
2279                         MsgInfo *msginfo;
2280
2281                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
2282                         if (msginfo && folder->klass->is_msg_changed && folder->klass->is_msg_changed(folder, item, msginfo)) {
2283                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2284                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(msginfo->msgnum));
2285                                 procmsg_msginfo_free(msginfo);
2286
2287                                 debug_print("Remembering message %d to update...\n", folder_cur_num);
2288                         } else if (msginfo) {
2289                                 exists_list = g_slist_prepend(exists_list, msginfo);
2290
2291                                 if(prefs_common.thread_by_subject &&
2292                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2293                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2294                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2295                                 }
2296                         }
2297
2298                         /* Move to next folder and cache number */
2299                         if (cache_list_cur)
2300                                 cache_list_cur = cache_list_cur->next;
2301
2302                         if (folder_list_cur)
2303                                 folder_list_cur = folder_list_cur->next;
2304
2305                         if (cache_list_cur != NULL)
2306                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
2307                         else
2308                                 cache_cur_num = G_MAXINT;
2309
2310                         if (folder_list_cur != NULL)
2311                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
2312                         else
2313                                 folder_cur_num = G_MAXINT;
2314
2315                         continue;
2316                 }
2317         }
2318
2319         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur))
2320                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
2321
2322         g_slist_free(cache_list);
2323         g_slist_free(folder_list);
2324
2325         if (new_list != NULL) {
2326                 GSList *tmp_list = NULL;
2327                 newmsg_list = get_msginfos(item, new_list);
2328                 g_slist_free(new_list);
2329                 tmp_list = g_slist_concat(g_slist_copy(exists_list), g_slist_copy(newmsg_list));
2330                 syncronize_flags(item, tmp_list);
2331                 g_slist_free(tmp_list);
2332         } else {
2333                 syncronize_flags(item, exists_list);
2334         }
2335
2336         folder_item_update_freeze();
2337
2338         item->scanning = ITEM_SCANNING;
2339
2340         if (newmsg_list != NULL) {
2341                 GSList *elem, *to_filter = NULL;
2342                 gboolean do_filter = (filtering == TRUE) &&
2343                                         (item->stype == F_INBOX) &&
2344                                         (item->folder->account != NULL) &&
2345                                         (item->folder->account->filter_on_recv);
2346
2347                 for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
2348                         MsgInfo *msginfo = (MsgInfo *) elem->data;
2349
2350                         msgcache_add_msg(item->cache, msginfo);
2351                         if (!do_filter) {
2352                                 exists_list = g_slist_prepend(exists_list, msginfo);
2353
2354                                 if(prefs_common.thread_by_subject &&
2355                                         MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2356                                         !subject_table_lookup(subject_table, msginfo->subject)) {
2357                                         subject_table_insert(subject_table, msginfo->subject, msginfo);
2358                                 }
2359                         }
2360                 }
2361
2362                 if (do_filter) {
2363                         GSList *unfiltered;
2364
2365                         folder_item_set_batch(item, TRUE);
2366                         procmsg_msglist_filter(newmsg_list, item->folder->account,
2367                                         &to_filter, &unfiltered,
2368                                         TRUE);
2369                         folder_item_set_batch(item, FALSE);
2370
2371                         filtering_move_and_copy_msgs(newmsg_list);
2372                         if (to_filter != NULL) {
2373                                 for (elem = to_filter; elem; elem = g_slist_next(elem)) {
2374                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2375                                         procmsg_msginfo_free(msginfo);
2376                                 }
2377                                 g_slist_free(to_filter);
2378                         }
2379                         if (unfiltered != NULL) {
2380                                 for (elem = unfiltered; elem; elem = g_slist_next(elem)) {
2381                                         MsgInfo *msginfo = (MsgInfo *)elem->data;
2382                                         exists_list = g_slist_prepend(exists_list, msginfo);
2383
2384                                         if(prefs_common.thread_by_subject &&
2385                                                 MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2386                                                 !subject_table_lookup(subject_table, msginfo->subject)) {
2387                                                 subject_table_insert(subject_table, msginfo->subject, msginfo);
2388                                         }
2389                                 }
2390                                 g_slist_free(unfiltered);
2391                         }
2392                         if (prefs_common.real_time_sync)
2393                                 folder_item_synchronise(item);
2394                 } else {
2395                         if (prefs_common.real_time_sync)
2396                                 folder_item_synchronise(item);
2397                 }
2398
2399                 g_slist_free(newmsg_list);
2400
2401                 update_flags |= F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT;
2402         }
2403
2404         folder_item_set_batch(item, TRUE);
2405         for (elem = exists_list; elem != NULL; elem = g_slist_next(elem)) {
2406                 MsgInfo *msginfo, *parent_msginfo;
2407
2408                 msginfo = elem->data;
2409                 if (MSG_IS_IGNORE_THREAD(msginfo->flags) && (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2410                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2411                 if (!MSG_IS_IGNORE_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_IGNORE_THREAD)) {
2412                         procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0, MSG_NEW | MSG_UNREAD, 0);
2413                 }
2414                 if (!MSG_IS_WATCH_THREAD(msginfo->flags) && procmsg_msg_has_flagged_parent(msginfo, MSG_WATCH_THREAD)) {
2415                         procmsg_msginfo_set_flags(msginfo, MSG_WATCH_THREAD, 0);
2416                 }
2417                 if(prefs_common.thread_by_subject && !msginfo->inreplyto &&
2418                         !msginfo->references && !MSG_IS_IGNORE_THREAD(msginfo->flags) &&
2419                         (parent_msginfo = subject_table_lookup(subject_table, msginfo->subject)))
2420                 {
2421                         if(MSG_IS_IGNORE_THREAD(parent_msginfo->flags)) {
2422                                 procmsg_msginfo_change_flags(msginfo, MSG_IGNORE_THREAD, 0,
2423                                                 MSG_NEW | MSG_UNREAD, 0);
2424                         }
2425                 }
2426                 if ((folder_has_parent_of_type(item, F_OUTBOX) ||
2427                      folder_has_parent_of_type(item, F_QUEUE)  ||
2428                      folder_has_parent_of_type(item, F_TRASH)) &&
2429                     (MSG_IS_NEW(msginfo->flags) || MSG_IS_UNREAD(msginfo->flags)))
2430                         procmsg_msginfo_unset_flags(msginfo, MSG_NEW | MSG_UNREAD, 0);
2431                 if (MSG_IS_NEW(msginfo->flags))
2432                         newcnt++;
2433                 if (MSG_IS_UNREAD(msginfo->flags))
2434                         unreadcnt++;
2435                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2436                         unreadmarkedcnt++;
2437                 if (MSG_IS_MARKED(msginfo->flags))
2438                         markedcnt++;
2439                 if (MSG_IS_REPLIED(msginfo->flags))
2440                         repliedcnt++;
2441                 if (MSG_IS_FORWARDED(msginfo->flags))
2442                         forwardedcnt++;
2443                 if (MSG_IS_LOCKED(msginfo->flags))
2444                         lockedcnt++;
2445                 if (MSG_IS_IGNORE_THREAD(msginfo->flags))
2446                         ignoredcnt++;
2447                 if (MSG_IS_WATCH_THREAD(msginfo->flags))
2448                         watchedcnt++;
2449
2450                 totalcnt++;
2451
2452                 procmsg_msginfo_free(msginfo);
2453         }
2454         folder_item_set_batch(item, FALSE);
2455         g_slist_free(exists_list);
2456
2457         if(prefs_common.thread_by_subject) {
2458                 g_hash_table_destroy(subject_table);
2459         }
2460
2461         if (item->new_msgs != newcnt || item->unread_msgs != unreadcnt
2462         ||  item->total_msgs != totalcnt || item->marked_msgs != markedcnt
2463         ||  item->unreadmarked_msgs != unreadmarkedcnt
2464         ||  item->replied_msgs != repliedcnt || item->forwarded_msgs != forwardedcnt
2465         ||  item->locked_msgs != lockedcnt || item->ignored_msgs != ignoredcnt
2466         ||  item->watched_msgs != watchedcnt) {
2467                 update_flags |= F_ITEM_UPDATE_CONTENT;
2468         }
2469
2470         item->new_msgs = newcnt;
2471         item->unread_msgs = unreadcnt;
2472         item->total_msgs = totalcnt;
2473         item->unreadmarked_msgs = unreadmarkedcnt;
2474         item->marked_msgs = markedcnt;
2475         item->replied_msgs = repliedcnt;
2476         item->forwarded_msgs = forwardedcnt;
2477         item->locked_msgs = lockedcnt;
2478         item->ignored_msgs = ignoredcnt;
2479         item->watched_msgs = watchedcnt;
2480
2481         update_flags |= F_ITEM_UPDATE_MSGCNT;
2482
2483         folder_item_update(item, update_flags);
2484         folder_item_update_thaw();
2485
2486         item->scanning = ITEM_NOT_SCANNING;
2487
2488         return 0;
2489 }
2490
2491 gint folder_item_scan(FolderItem *item)
2492 {
2493         return folder_item_scan_full(item, TRUE);
2494 }
2495
2496 static void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
2497 {
2498         gint *memusage = (gint *)data;
2499
2500         if (item->cache == NULL)
2501                 return;
2502
2503         *memusage += msgcache_get_memory_usage(item->cache);
2504 }
2505
2506 static gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
2507 {
2508         FolderItem *fa = (FolderItem *)a;
2509         FolderItem *fb = (FolderItem *)b;
2510
2511         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
2512 }
2513
2514 static void folder_find_expired_caches(FolderItem *item, gpointer data)
2515 {
2516         GSList **folder_item_list = (GSList **)data;
2517         gint difftime, expiretime;
2518
2519         if (item->cache == NULL)
2520                 return;
2521
2522         if (item->opened > 0)
2523                 return;
2524
2525         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
2526         expiretime = prefs_common.cache_min_keep_time * 60;
2527         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
2528
2529         if (difftime > expiretime && !item->opened && !item->processing_pending) {
2530                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
2531         }
2532 }
2533
2534 gboolean folder_item_free_cache(FolderItem *item, gboolean force)
2535 {
2536         cm_return_val_if_fail(item != NULL, TRUE);
2537
2538         if (item->cache == NULL)
2539                 return TRUE;
2540
2541         if (item->opened > 0 && !force)
2542                 return FALSE;
2543
2544         folder_item_write_cache(item);
2545         msgcache_destroy(item->cache);
2546         item->cache = NULL;
2547         return TRUE;
2548 }
2549
2550 void folder_clean_cache_memory_force(void)
2551 {
2552         int old_cache_max_mem_usage = prefs_common.cache_max_mem_usage;
2553         int old_cache_min_keep_time = prefs_common.cache_min_keep_time;
2554
2555         prefs_common.cache_max_mem_usage = 0;
2556         prefs_common.cache_min_keep_time = 0;
2557
2558         folder_clean_cache_memory(NULL);
2559
2560         prefs_common.cache_max_mem_usage = old_cache_max_mem_usage;
2561         prefs_common.cache_min_keep_time = old_cache_min_keep_time;
2562 }
2563
2564 void folder_clean_cache_memory(FolderItem *protected_item)
2565 {
2566         gint memusage = 0;
2567
2568         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
2569         debug_print("Total cache memory usage: %d\n", memusage);
2570
2571         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
2572                 GSList *folder_item_list = NULL, *listitem;
2573
2574                 debug_print("Trying to free cache memory\n");
2575
2576                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
2577                 listitem = folder_item_list;
2578                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
2579                         FolderItem *item = (FolderItem *)(listitem->data);
2580                         gint cache_size = 0;
2581                         if (item == protected_item) {
2582                                 listitem = listitem->next;
2583                                 continue;
2584                         }
2585                         debug_print("Freeing cache memory for %s\n", item->path ? item->path : item->name);
2586                         cache_size = msgcache_get_memory_usage(item->cache);
2587                         if (folder_item_free_cache(item, FALSE))
2588                                 memusage -= cache_size;
2589
2590                         listitem = listitem->next;
2591                 }
2592                 g_slist_free(folder_item_list);
2593         }
2594 }
2595
2596 static void folder_item_remove_cached_msg(FolderItem *item, MsgInfo *msginfo)
2597 {
2598         Folder *folder = item->folder;
2599
2600         cm_return_if_fail(folder != NULL);
2601
2602         if (folder->klass->remove_cached_msg == NULL)
2603                 return;
2604
2605         folder->klass->remove_cached_msg(folder, item, msginfo);
2606 }
2607
2608 static void folder_item_clean_local_files(FolderItem *item, gint days)
2609 {
2610         cm_return_if_fail(item != NULL);
2611         cm_return_if_fail(item->folder != NULL);
2612
2613         if (FOLDER_TYPE(item->folder) == F_IMAP ||
2614             FOLDER_TYPE(item->folder) == F_NEWS) {
2615                 GSList *msglist = folder_item_get_msg_list(item);
2616                 GSList *cur;
2617                 time_t t = time(NULL);
2618                 for (cur = msglist; cur; cur = cur->next) {
2619                         MsgInfo *msginfo = (MsgInfo *)cur->data;
2620                         gint age = (t - msginfo->date_t) / (60*60*24);
2621                         if (age > days)
2622                                 folder_item_remove_cached_msg(item, msginfo);
2623                 }
2624                 procmsg_msg_list_free(msglist);
2625         }
2626 }
2627
2628 static void folder_item_read_cache(FolderItem *item)
2629 {
2630         gchar *cache_file, *mark_file, *tags_file;
2631         START_TIMING("");
2632         cm_return_if_fail(item != NULL);
2633
2634         if (item->path != NULL) {
2635                 cache_file = folder_item_get_cache_file(item);
2636                 mark_file = folder_item_get_mark_file(item);
2637                 tags_file = folder_item_get_tags_file(item);
2638                 item->cache = msgcache_read_cache(item, cache_file);
2639                 item->cache_dirty = FALSE;
2640                 item->mark_dirty = FALSE;
2641                 item->tags_dirty = FALSE;
2642                 if (!item->cache) {
2643                         MsgInfoList *list, *cur;
2644                         guint newcnt = 0, unreadcnt = 0;
2645                         guint markedcnt = 0, unreadmarkedcnt = 0;
2646                         guint repliedcnt = 0, forwardedcnt = 0;
2647                         guint lockedcnt = 0, ignoredcnt = 0;
2648                         guint watchedcnt = 0;
2649                         MsgInfo *msginfo;
2650
2651                         item->cache = msgcache_new();
2652                         item->cache_dirty = TRUE;
2653                         item->mark_dirty = TRUE;
2654                         item->tags_dirty = TRUE;
2655                         folder_item_scan_full(item, TRUE);
2656
2657                         msgcache_read_mark(item->cache, mark_file);
2658
2659                         list = msgcache_get_msg_list(item->cache);
2660                         for (cur = list; cur != NULL; cur = g_slist_next(cur)) {
2661                                 msginfo = cur->data;
2662
2663                                 if (MSG_IS_NEW(msginfo->flags))
2664                                         newcnt++;
2665                                 if (MSG_IS_UNREAD(msginfo->flags))
2666                                         unreadcnt++;
2667                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2668                                         unreadmarkedcnt++;
2669                                 if (MSG_IS_MARKED(msginfo->flags))
2670                                         markedcnt++;
2671                                 if (MSG_IS_REPLIED(msginfo->flags))
2672                                         repliedcnt++;
2673                                 if (MSG_IS_FORWARDED(msginfo->flags))
2674                                         forwardedcnt++;
2675                                 if (MSG_IS_LOCKED(msginfo->flags))
2676                                         lockedcnt++;
2677                                 if (MSG_IS_IGNORE_THREAD(msginfo->flags))
2678                                         ignoredcnt++;
2679                                 if (MSG_IS_WATCH_THREAD(msginfo->flags))
2680                                         watchedcnt++;
2681                                 procmsg_msginfo_unset_flags(msginfo, MSG_FULLY_CACHED, 0);
2682                         }
2683                         item->new_msgs = newcnt;
2684                         item->unread_msgs = unreadcnt;
2685                         item->unreadmarked_msgs = unreadmarkedcnt;
2686                         item->marked_msgs = markedcnt;
2687                         item->replied_msgs = repliedcnt;
2688                         item->forwarded_msgs = forwardedcnt;
2689                         item->locked_msgs = lockedcnt;
2690                         item->ignored_msgs = ignoredcnt;
2691                         item->watched_msgs = watchedcnt;
2692                         procmsg_msg_list_free(list);
2693                 } else
2694                         msgcache_read_mark(item->cache, mark_file);
2695
2696                 msgcache_read_tags(item->cache, tags_file);
2697
2698                 g_free(cache_file);
2699                 g_free(mark_file);
2700                 g_free(tags_file);
2701         } else {
2702                 item->cache = msgcache_new();
2703                 item->cache_dirty = TRUE;
2704                 item->mark_dirty = TRUE;
2705                 item->tags_dirty = TRUE;
2706         }
2707
2708         END_TIMING();
2709         folder_clean_cache_memory(item);
2710 }
2711
2712 void folder_item_write_cache(FolderItem *item)
2713 {
2714         gchar *cache_file = NULL, *mark_file = NULL, *tags_file = NULL;
2715         FolderItemPrefs *prefs;
2716         gint filemode = 0;
2717         gchar *id;
2718         time_t last_mtime = (time_t)0;
2719         gboolean need_scan = FALSE;
2720
2721         if (!item || !item->path || !item->cache)
2722                 return;
2723
2724         last_mtime = item->mtime;
2725         if (item->folder->klass->set_mtime) {
2726                 if (item->folder->klass->scan_required)
2727                         need_scan = item->folder->klass->scan_required(item->folder, item);
2728                 else
2729                         need_scan = TRUE;
2730         }
2731
2732         id = folder_item_get_identifier(item);
2733         debug_print("Save cache for folder %s\n", id);
2734         g_free(id);
2735
2736         if (item->cache_dirty)
2737                 cache_file = folder_item_get_cache_file(item);
2738         if (item->cache_dirty || item->mark_dirty)
2739                 mark_file = folder_item_get_mark_file(item);
2740         if (item->cache_dirty || item->tags_dirty)
2741                 tags_file = folder_item_get_tags_file(item);
2742         if (msgcache_write(cache_file, mark_file, tags_file, item->cache) < 0) {
2743                 prefs = item->prefs;
2744                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
2745                         /* for cache file */
2746                         filemode = prefs->folder_chmod;
2747                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
2748                         if (filemode & S_IROTH) filemode |= S_IWOTH;
2749                         if (cache_file != NULL)
2750                                 chmod(cache_file, filemode);
2751                 }
2752         } else {
2753                 item->cache_dirty = FALSE;
2754                 item->mark_dirty = FALSE;
2755                 item->tags_dirty = FALSE;
2756         }
2757
2758         if (!need_scan && item->folder->klass->set_mtime) {
2759                 if (item->mtime == last_mtime) {
2760                         item->folder->klass->set_mtime(item->folder, item);
2761                 }
2762         }
2763
2764         g_free(cache_file);
2765         g_free(mark_file);
2766         g_free(tags_file);
2767 }
2768
2769 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
2770 {
2771         MsgInfo *msginfo = NULL;
2772
2773         cm_return_val_if_fail(item != NULL, NULL);
2774         if (item->no_select)
2775                 return NULL;
2776         if (!item->cache)
2777                 folder_item_read_cache(item);
2778
2779         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
2780                 return msginfo;
2781
2782         msginfo = get_msginfo(item, num);
2783         if (msginfo != NULL) {
2784                 msgcache_add_msg(item->cache, msginfo);
2785                 return msginfo;
2786         }
2787
2788         return NULL;
2789 }
2790
2791 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
2792 {
2793         MsgInfo *msginfo;
2794
2795         cm_return_val_if_fail(item != NULL, NULL);
2796         cm_return_val_if_fail(msgid != NULL, NULL);
2797         if (item->no_select)
2798                 return NULL;
2799
2800         if (!item->cache)
2801                 folder_item_read_cache(item);
2802
2803         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
2804                 return msginfo;
2805
2806         return NULL;
2807 }
2808
2809 GSList *folder_item_get_msg_list(FolderItem *item)
2810 {
2811         cm_return_val_if_fail(item != NULL, NULL);
2812         if (item->no_select)
2813                 return NULL;
2814
2815         if (item->cache == 0)
2816                 folder_item_read_cache(item);
2817
2818         cm_return_val_if_fail(item->cache != NULL, NULL);
2819
2820         return msgcache_get_msg_list(item->cache);
2821 }
2822
2823 static void msginfo_set_mime_flags(GNode *node, gpointer data)
2824 {
2825         MsgInfo *msginfo = data;
2826         MimeInfo *mimeinfo = node->data;
2827
2828         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
2829          && (!mimeinfo->subtype || (strcmp(mimeinfo->subtype, "pgp-signature") &&
2830              strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2831              strcmp(mimeinfo->subtype, "pkcs7-signature")))) {
2832                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2833         } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN &&
2834                  mimeinfo->id == NULL &&
2835                  mimeinfo->type != MIMETYPE_TEXT &&
2836                  mimeinfo->type != MIMETYPE_MULTIPART) {
2837                 if (!mimeinfo->subtype
2838                 || (strcmp(mimeinfo->subtype, "pgp-signature") &&
2839                     strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2840                     strcmp(mimeinfo->subtype, "pkcs7-signature")))
2841                         procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2842         } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
2843                  mimeinfo->id == NULL &&
2844                 (strcmp(mimeinfo->subtype, "pgp-signature") &&
2845                  strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
2846                  strcmp(mimeinfo->subtype, "pkcs7-signature")) &&
2847                 (procmime_mimeinfo_get_parameter(mimeinfo, "name") != NULL ||
2848                  procmime_mimeinfo_get_parameter(mimeinfo, "filename") != NULL)) {
2849                 procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
2850         }
2851
2852         /* don't descend below top level message for signed and encrypted info */
2853         if (mimeinfo->type == MIMETYPE_MESSAGE)
2854                 return;
2855
2856         if (privacy_mimeinfo_is_signed(mimeinfo)) {
2857                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
2858         }
2859
2860         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
2861                 procmsg_msginfo_set_flags(msginfo, 0, MSG_ENCRYPTED);
2862         } else {
2863                 /* searching inside encrypted parts doesn't really make sense */
2864                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2865         }
2866 }
2867
2868 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
2869 {
2870         Folder *folder;
2871         gchar *msgfile;
2872         MsgInfo *msginfo;
2873
2874         cm_return_val_if_fail(item != NULL, NULL);
2875
2876         folder = item->folder;
2877
2878         cm_return_val_if_fail(folder->klass->fetch_msg != NULL, NULL);
2879         if (item->no_select)
2880                 return NULL;
2881
2882         msgfile = folder->klass->fetch_msg(folder, item, num);
2883
2884         if (msgfile != NULL) {
2885                 msginfo = folder_item_get_msginfo(item, num);
2886                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2887                         MimeInfo *mimeinfo;
2888
2889                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2890                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2891                                 mimeinfo = procmime_scan_file(msgfile);
2892                         else
2893                                 mimeinfo = procmime_scan_queue_file(msgfile);
2894                         /* check for attachments */
2895                         if (mimeinfo != NULL) {
2896                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2897                                 procmime_mimeinfo_free_all(mimeinfo);
2898
2899                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2900                         }
2901                 }
2902                 procmsg_msginfo_free(msginfo);
2903         }
2904
2905         return msgfile;
2906 }
2907
2908 gchar *folder_item_fetch_msg_full(FolderItem *item, gint num, gboolean headers,
2909                                   gboolean body)
2910 {
2911         Folder *folder;
2912         gchar *msgfile;
2913         MsgInfo *msginfo;
2914
2915         cm_return_val_if_fail(item != NULL, NULL);
2916         if (item->no_select)
2917                 return NULL;
2918
2919         folder = item->folder;
2920
2921         if (folder->klass->fetch_msg_full == NULL)
2922                 return folder_item_fetch_msg(item, num);
2923
2924         if (item->prefs->offlinesync && prefs_common.real_time_sync)
2925                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2926                                                 TRUE, TRUE);
2927         else
2928                 msgfile = folder->klass->fetch_msg_full(folder, item, num,
2929                                                 headers, body);
2930
2931         if (msgfile != NULL) {
2932                 msginfo = folder_item_get_msginfo(item, num);
2933                 if ((msginfo != NULL) && !MSG_IS_SCANNED(msginfo->flags)) {
2934                         MimeInfo *mimeinfo;
2935
2936                         if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
2937                             !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
2938                                 mimeinfo = procmime_scan_file(msgfile);
2939                         else
2940                                 mimeinfo = procmime_scan_queue_file(msgfile);
2941                         /* check for attachments */
2942                         if (mimeinfo != NULL) {
2943                                 g_node_children_foreach(mimeinfo->node, G_TRAVERSE_ALL, msginfo_set_mime_flags, msginfo);
2944                                 procmime_mimeinfo_free_all(mimeinfo);
2945
2946                                 procmsg_msginfo_set_flags(msginfo, 0, MSG_SCANNED);
2947                         }
2948                 }
2949                 procmsg_msginfo_free(msginfo);
2950         }
2951
2952         return msgfile;
2953 }
2954
2955
2956 static gint folder_item_get_msg_num_by_file(FolderItem *dest, const gchar *file)
2957 {
2958         static HeaderEntry hentry[] = {{"Message-ID:",  NULL, TRUE},
2959                                        {NULL,           NULL, FALSE}};
2960         FILE *fp;
2961         MsgInfo *msginfo;
2962         gint msgnum = 0;
2963         gchar buf[BUFFSIZE];
2964
2965         if ((fp = g_fopen(file, "rb")) == NULL)
2966                 return 0;
2967
2968         if ((folder_has_parent_of_type(dest, F_QUEUE)) ||
2969             (folder_has_parent_of_type(dest, F_DRAFT)))
2970                 while (fgets(buf, sizeof(buf), fp) != NULL) {
2971                         /* new way */
2972                         if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2973                                 strlen("X-Claws-End-Special-Headers:"))) ||
2974                             (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2975                                 strlen("X-Sylpheed-End-Special-Headers:"))))
2976                                 break;
2977                         /* old way */
2978                         if (buf[0] == '\r' || buf[0] == '\n') break;
2979                         /* from other mailers */
2980                         if (!strncmp(buf, "Date: ", 6)
2981                         ||  !strncmp(buf, "To: ", 4)
2982                         ||  !strncmp(buf, "From: ", 6)
2983                         ||  !strncmp(buf, "Subject: ", 9)) {
2984                                 rewind(fp);
2985                                 break;
2986                         }
2987                 }
2988
2989         procheader_get_header_fields(fp, hentry);
2990         debug_print("looking for %s\n", hentry[0].body);
2991         if (hentry[0].body) {
2992                 extract_parenthesis(hentry[0].body, '<', '>');
2993                 remove_space(hentry[0].body);
2994                 if ((msginfo = msgcache_get_msg_by_id(dest->cache, hentry[0].body)) != NULL) {
2995                         msgnum = msginfo->msgnum;
2996                         procmsg_msginfo_free(msginfo);
2997
2998                         debug_print("found message as uid %d\n", msgnum);
2999                 }
3000         }
3001
3002         g_free(hentry[0].body);
3003         hentry[0].body = NULL;
3004         fclose(fp);
3005
3006         return msgnum;
3007 }
3008
3009 static void copy_msginfo_flags(MsgInfo *source, MsgInfo *dest)
3010 {
3011         MsgPermFlags perm_flags = 0;
3012         MsgTmpFlags tmp_flags = 0;
3013
3014         /* create new flags */
3015         if (source != NULL) {
3016                 /* copy original flags */
3017                 perm_flags = source->flags.perm_flags;
3018                 tmp_flags = source->flags.tmp_flags;
3019         } else {
3020                 perm_flags = dest->flags.perm_flags;
3021                 tmp_flags = dest->flags.tmp_flags;
3022         }
3023
3024         /* remove new, unread and deleted in special folders */
3025         if (folder_has_parent_of_type(dest->folder, F_OUTBOX) ||
3026             folder_has_parent_of_type(dest->folder, F_QUEUE) ||
3027             folder_has_parent_of_type(dest->folder, F_DRAFT) ||
3028             folder_has_parent_of_type(dest->folder, F_TRASH))
3029                 perm_flags &= ~(MSG_NEW | MSG_UNREAD | MSG_DELETED);
3030
3031         /* set ignore flag of ignored parent exists */
3032         if (procmsg_msg_has_flagged_parent(dest, MSG_IGNORE_THREAD))
3033                 perm_flags |= MSG_IGNORE_THREAD;
3034
3035         /* unset FULLY_CACHED flags */
3036         perm_flags &= ~MSG_FULLY_CACHED;
3037
3038         if (procmsg_msg_has_flagged_parent(dest, MSG_WATCH_THREAD))
3039                 perm_flags |= MSG_WATCH_THREAD;
3040
3041         /* Unset tmp flags that should not be copied */
3042         tmp_flags &= ~(MSG_MOVE | MSG_COPY | MSG_MOVE_DONE);
3043
3044         /* unset flags that are set but should not */
3045         /* and set new flags */
3046         procmsg_msginfo_change_flags(dest,
3047                                   ~dest->flags.perm_flags & perm_flags,
3048                                   ~dest->flags.tmp_flags  & tmp_flags,
3049                                    dest->flags.perm_flags & ~perm_flags,
3050                                    dest->flags.tmp_flags  & ~tmp_flags);
3051
3052         if (source && source->tags) {
3053                 g_slist_free(dest->tags);
3054                 dest->tags = g_slist_copy(source->tags);
3055                 folder_item_commit_tags(dest->folder, dest, dest->tags, NULL);
3056         }
3057 }
3058
3059 static void add_msginfo_to_cache(FolderItem *item, MsgInfo *newmsginfo, MsgInfo *flagsource)
3060 {
3061         /* update folder stats */
3062         if (MSG_IS_NEW(newmsginfo->flags))
3063                 item->new_msgs++;
3064         if (MSG_IS_UNREAD(newmsginfo->flags))
3065                 item->unread_msgs++;
3066         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
3067                 item->unreadmarked_msgs++;
3068         if (MSG_IS_MARKED(newmsginfo->flags))
3069                 item->marked_msgs++;
3070         if (MSG_IS_REPLIED(newmsginfo->flags))
3071                 item->replied_msgs++;
3072         if (MSG_IS_FORWARDED(newmsginfo->flags))
3073                 item->forwarded_msgs++;
3074         if (MSG_IS_LOCKED(newmsginfo->flags))
3075                 item->locked_msgs++;
3076         if (MSG_IS_IGNORE_THREAD(newmsginfo->flags))
3077                 item->ignored_msgs++;
3078         if (MSG_IS_WATCH_THREAD(newmsginfo->flags))
3079                 item->watched_msgs++;
3080         item->total_msgs++;
3081
3082         folder_item_update_freeze();
3083
3084         if (!item->cache)
3085                 folder_item_read_cache(item);
3086
3087         msgcache_add_msg(item->cache, newmsginfo);
3088         copy_msginfo_flags(flagsource, newmsginfo);
3089         folder_item_update_with_msg(item,  F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_ADDMSG, newmsginfo);
3090         folder_item_update_thaw();
3091 }
3092
3093 static void remove_msginfo_from_cache(FolderItem *item, MsgInfo *msginfo)
3094 {
3095         MsgInfoUpdate msginfo_update;
3096
3097         if (!item->cache)
3098                 folder_item_read_cache(item);
3099
3100         if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
3101                 msginfo->folder->new_msgs--;
3102         if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
3103                 msginfo->folder->unread_msgs--;
3104         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
3105                 msginfo->folder->unreadmarked_msgs--;
3106         if (MSG_IS_MARKED(msginfo->flags))
3107                 item->marked_msgs--;
3108         if (MSG_IS_REPLIED(msginfo->flags))
3109                 item->replied_msgs--;
3110         if (MSG_IS_FORWARDED(msginfo->flags))
3111                 item->forwarded_msgs--;
3112         if (MSG_IS_LOCKED(msginfo->flags))
3113                 item->locked_msgs--;
3114         if (MSG_IS_IGNORE_THREAD(msginfo->flags))
3115                 item->ignored_msgs--;
3116         if (MSG_IS_WATCH_THREAD(msginfo->flags))
3117                 item->watched_msgs--;
3118
3119         msginfo->folder->total_msgs--;
3120
3121         msginfo_update.msginfo = msginfo;
3122         msginfo_update.flags = MSGINFO_UPDATE_DELETED;
3123         hooks_invoke(MSGINFO_UPDATE_HOOKLIST, &msginfo_update);
3124
3125         msgcache_remove_msg(item->cache, msginfo->msgnum);
3126         folder_item_update_with_msg(msginfo->folder, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_REMOVEMSG, msginfo);
3127 }
3128
3129 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
3130                          MsgFlags *flags, gboolean remove_source)
3131 {
3132         GSList file_list;
3133         MsgFileInfo fileinfo;
3134
3135         cm_return_val_if_fail(dest != NULL, -1);
3136         cm_return_val_if_fail(file != NULL, -1);
3137
3138         fileinfo.msginfo = NULL;
3139         fileinfo.file = (gchar *)file;
3140         fileinfo.flags = flags;
3141         file_list.data = &fileinfo;
3142         file_list.next = NULL;
3143
3144         return folder_item_add_msgs(dest, &file_list, remove_source);
3145 }
3146
3147 gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
3148                           gboolean remove_source)
3149 {
3150         Folder *folder;
3151         gint ret, num, lastnum = -1;
3152         GSList *file_cur;
3153         GHashTable *relation;
3154         MsgFileInfo *fileinfo = NULL;
3155         gboolean folderscan = FALSE;
3156
3157         cm_return_val_if_fail(dest != NULL, -1);
3158         cm_return_val_if_fail(file_list != NULL, -1);
3159         cm_return_val_if_fail(dest->folder != NULL, -1);
3160         if (dest->no_select)
3161                 return -1;
3162
3163         folder = dest->folder;
3164
3165         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
3166
3167         if (folder->klass->add_msgs != NULL) {
3168                 ret = folder->klass->add_msgs(folder, dest, file_list, relation);
3169                 if (ret < 0) {
3170                         g_hash_table_destroy(relation);
3171                         return ret;
3172                 }
3173         } else {
3174                 for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
3175                         fileinfo = (MsgFileInfo *) file_cur->data;
3176
3177                         ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
3178                         if (ret < 0) {
3179                                 g_hash_table_destroy(relation);
3180                                 return ret;
3181                         }
3182                         g_hash_table_insert(relation, fileinfo, GINT_TO_POINTER(ret));
3183                 }
3184         }
3185
3186         for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
3187                 gpointer data, old_key;
3188
3189                 fileinfo = (MsgFileInfo *) file_cur->data;
3190                 if (g_hash_table_lookup_extended(relation, fileinfo, &old_key, &data))
3191                         num = GPOINTER_TO_INT(data);
3192                 else
3193                         num = -1;
3194
3195                 if (num >= 0) {
3196                         MsgInfo *newmsginfo;
3197
3198                         if (num == 0) {
3199                                 if (!folderscan) {
3200                                         folder_item_scan_full(dest, FALSE);
3201                                         folderscan = TRUE;
3202                                 }
3203                                 num = folder_item_get_msg_num_by_file(dest, fileinfo->file);
3204                                 debug_print("got num %d\n", num);
3205                         }
3206
3207                         if (num > lastnum)
3208                                 lastnum = num;
3209
3210                         if (num >= 0 && remove_source) {
3211                                 if (claws_unlink(fileinfo->file) < 0)
3212                                         FILE_OP_ERROR(fileinfo->file, "unlink");
3213                         }
3214
3215                         if (num == 0)
3216                                 continue;
3217
3218                         if (!folderscan &&
3219                             ((newmsginfo = get_msginfo(dest, num)) != NULL)) {
3220                                 add_msginfo_to_cache(dest, newmsginfo, NULL);
3221                                 procmsg_msginfo_free(newmsginfo);
3222                         } else if ((newmsginfo = msgcache_get_msg(dest->cache, num)) != NULL) {
3223                                 /* TODO: set default flags */
3224                                 procmsg_msginfo_free(newmsginfo);
3225                         }
3226                 }
3227         }
3228
3229         g_hash_table_destroy(relation);
3230
3231         return lastnum;
3232 }
3233
3234 static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest, gboolean copy)
3235 {
3236         GSList *mlist;
3237         FolderItem *new_item;
3238         FolderItem *next_item;
3239         GNode *srcnode;
3240         gchar *old_id, *new_id;
3241         FolderUpdateData hookdata;
3242
3243         /* move messages */
3244         debug_print("%s %s to %s\n", copy?"Copying":"Moving", src->path, dest->path);
3245         new_item = folder_create_folder(dest, src->name);
3246         if (new_item == NULL) {
3247                 g_print("Can't create folder\n");
3248                 return NULL;
3249         }
3250
3251         if (new_item->folder == NULL)
3252                 new_item->folder = dest->folder;
3253
3254         /* move messages */
3255         log_message(LOG_PROTOCOL, copy ?_("Copying %s to %s...\n"):_("Moving %s to %s...\n"),
3256                         src->name, new_item->path);
3257
3258         mlist = folder_item_get_msg_list(src);
3259
3260         if (mlist != NULL) {
3261                 if (copy)
3262                         folder_item_copy_msgs(new_item, mlist);
3263                 else
3264                         folder_item_move_msgs(new_item, mlist);
3265                 procmsg_msg_list_free(mlist);
3266         }
3267
3268         /*copy prefs*/
3269         folder_item_prefs_copy_prefs(src, new_item);
3270
3271         /* copy internal data */
3272         if (src->folder->klass == new_item->folder->klass &&
3273             src->folder->klass->copy_private_data != NULL)
3274                 src->folder->klass->copy_private_data(src->folder,
3275                                         src, new_item);
3276         new_item->collapsed = src->collapsed;
3277         new_item->thread_collapsed = src->thread_collapsed;
3278         new_item->threaded  = src->threaded;
3279         new_item->ret_rcpt  = src->ret_rcpt;
3280         new_item->hide_read_msgs = src->hide_read_msgs;
3281         new_item->hide_del_msgs = src->hide_del_msgs;
3282         new_item->hide_read_threads = src->hide_read_threads;
3283         new_item->sort_key  = src->sort_key;
3284         new_item->sort_type = src->sort_type;
3285
3286         prefs_matcher_write_config();
3287
3288         /* recurse */
3289         srcnode = src->folder->node;
3290         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
3291         srcnode = srcnode->children;
3292         while (srcnode != NULL) {
3293                 if (srcnode && srcnode->data) {
3294                         next_item = (FolderItem*) srcnode->data;
3295                         srcnode = srcnode->next;
3296                         if (folder_item_move_recursive(next_item, new_item, copy) == NULL) {
3297                                 return NULL;
3298                         }
3299                 }
3300         }
3301         old_id = folder_item_get_identifier(src);
3302         new_id = folder_item_get_identifier(new_item);
3303
3304         hookdata.folder = src->folder;
3305         hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_MOVE_FOLDERITEM;
3306         hookdata.item = src;
3307         hookdata.item2 = new_item;
3308         hooks_invoke(FOLDER_UPDATE_HOOKLIST, &hookdata);
3309
3310         /* if src supports removing, otherwise only copy folder */
3311         if (src->folder->klass->remove_folder != NULL && !copy)
3312                 src->folder->klass->remove_folder(src->folder, src);
3313         folder_write_list();
3314
3315         if (!copy) {
3316                 debug_print("updating rules : %s => %s\n", old_id, new_id);
3317                 if (old_id != NULL && new_id != NULL) {
3318                         prefs_filtering_rename_path(old_id, new_id);
3319                         account_rename_path(old_id, new_id);
3320                 }
3321         }
3322         g_free(old_id);
3323         g_free(new_id);
3324
3325         return new_item;
3326 }
3327
3328 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item, gboolean copy)
3329 {
3330         FolderItem *tmp = folder_item_parent(dest);
3331         gchar * src_identifier, * dst_identifier;
3332         gchar * phys_srcpath, * phys_dstpath, *tmppath;
3333
3334         while (tmp) {
3335                 if (tmp == src) {
3336                         return F_MOVE_FAILED_DEST_IS_CHILD;
3337                 }
3338                 tmp = folder_item_parent(tmp);
3339         }
3340
3341         src_identifier = folder_item_get_identifier(src);
3342         dst_identifier = folder_item_get_identifier(dest);
3343
3344         if(dst_identifier == NULL && dest->folder && folder_item_parent(dest) == NULL) {
3345                 /* dest can be a root folder */
3346                 dst_identifier = folder_get_identifier(dest->folder);
3347         }
3348         if (src_identifier == NULL || dst_identifier == NULL) {
3349                 debug_print("Can't get identifiers\n");
3350                 return F_MOVE_FAILED;
3351         }
3352
3353         if (src->folder != dest->folder && !copy) {
3354                 return F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX;
3355         }
3356
3357         phys_srcpath = folder_item_get_path(src);
3358         tmppath = folder_item_get_path(dest);
3359         phys_dstpath = g_strconcat(tmppath,
3360                        G_DIR_SEPARATOR_S,
3361                        g_path_get_basename(phys_srcpath),
3362                        NULL);
3363         g_free(tmppath);
3364
3365         if (folder_item_parent(src) == dest || src == dest) {
3366                 g_free(src_identifier);
3367                 g_free(dst_identifier);
3368                 g_free(phys_srcpath);
3369                 g_free(phys_dstpath);
3370                 return F_MOVE_FAILED_DEST_IS_PARENT;
3371         }
3372         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
3373         if ((tmp = folder_item_move_recursive(src, dest, copy)) == NULL) {
3374                 return F_MOVE_FAILED;
3375         }
3376
3377         g_free(src_identifier);
3378         g_free(dst_identifier);
3379         g_free(phys_srcpath);
3380         g_free(phys_dstpath);
3381
3382         *new_item = tmp;
3383
3384         return F_MOVE_OK;
3385 }
3386
3387 struct find_data
3388 {
3389         gboolean found;
3390 };
3391 static void find_num(gpointer key, gpointer value, gpointer data)
3392 {
3393         struct find_data *fdata = (struct find_data *)data;
3394         if (GPOINTER_TO_INT(value) == 0)
3395                 fdata->found = TRUE;
3396 }
3397
3398 static gboolean some_msgs_have_zero_num(GHashTable *hashtable)
3399 {
3400         struct find_data fdata;
3401
3402         fdata.found = FALSE;
3403         g_hash_table_foreach(hashtable, find_num, &fdata);
3404
3405         return fdata.found;
3406 }
3407
3408 /**
3409  * Copy a list of message to a new folder and remove
3410  * source messages if wanted
3411  */
3412 static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_source)
3413 {
3414         Folder *folder;
3415         GSList *l;
3416         gint num, lastnum = -1;
3417         gboolean folderscan = FALSE;
3418         GHashTable *relation;
3419         GSList *not_moved = NULL;
3420         gint total = 0, curmsg = 0;
3421         MsgInfo *msginfo = NULL;
3422
3423         cm_return_val_if_fail(dest != NULL, -1);
3424         cm_return_val_if_fail(msglist != NULL, -1);
3425
3426         folder = dest->folder;
3427
3428         cm_return_val_if_fail(folder->klass->copy_msg != NULL, -1);
3429         if (dest->no_select)
3430                 return -1;
3431
3432         msginfo = (MsgInfo *)msglist->data;
3433
3434         if (!msginfo)
3435                 return -1;
3436
3437         if (!MSG_IS_QUEUED(msginfo->flags) &&
3438             MSG_IS_DRAFT(msginfo->flags) &&
3439             folder_has_parent_of_type(dest, F_QUEUE)) {
3440                 GSList *cur = msglist;
3441                 gboolean queue_err = FALSE;
3442                 for (; cur; cur = cur->next) {
3443                         Compose *compose = NULL;
3444                         FolderItem *queue = dest;
3445                         int val = 0;
3446
3447                         msginfo = (MsgInfo *)cur->data;
3448                         compose = compose_reedit(msginfo, TRUE);
3449                         if (compose == NULL) {
3450                                 queue_err = TRUE;
3451                                 continue;
3452                         }
3453                         val = compose_queue(compose, NULL, &queue, NULL,
3454                                         FALSE);
3455                         if (val < 0) {
3456                                 queue_err = TRUE;
3457                         } else if (remove_source) {
3458                                 folder_item_remove_msg(msginfo->folder, msginfo->msgnum);
3459                         }
3460                         if (val == 0)
3461                                 compose_close(compose);
3462                 }
3463                 return queue_err ? -1:0;
3464         }
3465
3466         relation = g_hash_table_new(g_direct_hash, g_direct_equal);
3467
3468         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
3469                 MsgInfo * msginfo = (MsgInfo *) l->data;
3470
3471                 if (msginfo->planned_download != 0) {
3472                         int old_planned = msginfo->planned_download;
3473                         partial_unmark(msginfo);
3474                         /* little hack to reenable after */
3475                         msginfo->planned_download = old_planned;
3476                 }
3477         }
3478
3479         /*
3480          * Copy messages to destination folder and
3481          * store new message numbers in newmsgnums
3482          */
3483         if (folder->klass->copy_msgs != NULL) {
3484                 if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
3485                         g_hash_table_destroy(relation);
3486                         return -1;
3487                 }
3488         } else {
3489                 MsgInfo * msginfo;
3490                 l = msglist;
3491
3492                 /* immediately stop if src and dest folders are identical */
3493                 if (l != NULL) {
3494                         msginfo = (MsgInfo *) l->data;
3495                         if (msginfo != NULL && msginfo->folder == dest) {
3496                                 g_hash_table_destroy(relation);
3497                                 return -1;
3498                         }
3499                 }
3500
3501                 for (; l != NULL ; l = g_slist_next(l)) {
3502                         msginfo = (MsgInfo *) l->data;
3503
3504                         num = folder->klass->copy_msg(folder, dest, msginfo);
3505                         if (num > 0)
3506                                 g_hash_table_insert(relation, msginfo, GINT_TO_POINTER(num));
3507                         else
3508                                 not_moved = g_slist_prepend(not_moved, msginfo);
3509                 }
3510         }
3511
3512         if (remove_source) {
3513                 MsgInfo *msginfo = (MsgInfo *) msglist->data;
3514                 FolderItem *item = msginfo->folder;
3515                 /*
3516                  * Remove source messages from their folders if
3517                  * copying was successfull and update folder
3518                  * message counts
3519                  */
3520                 if (not_moved == NULL && item->folder->klass->remove_msgs) {
3521                         item->folder->klass->remove_msgs(item->folder,
3522                                                                 msginfo->folder,
3523                                                                 msglist,
3524                                                                 relation);
3525                 }
3526                 for (l = msglist; l != NULL; l = g_slist_next(l)) {
3527                         gpointer old_key, data;
3528                         msginfo = (MsgInfo *) l->data;
3529                         item = msginfo->folder;
3530
3531                         if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
3532                                 num = GPOINTER_TO_INT(data);
3533                         else
3534                                 num = 0;
3535
3536                         if (g_slist_find(not_moved, msginfo))
3537                                 continue;
3538
3539                         if ((num >= 0) && (item->folder->klass->remove_msg != NULL)) {
3540                                 if (!item->folder->klass->remove_msgs)
3541                                         item->folder->klass->remove_msg(item->folder,
3542                                                                 msginfo->folder,
3543                                                                 msginfo->msgnum);
3544                                 if (!item->folder->account || item->folder->account->imap_use_trash) {
3545                                         remove_msginfo_from_cache(item, msginfo);
3546                                 }
3547                         }
3548                 }
3549         }
3550
3551         /* Read cache for dest folder */
3552         if (!dest->cache) folder_item_read_cache(dest);
3553
3554         /*
3555          * Fetch new MsgInfos for new messages in dest folder,
3556          * add them to the msgcache and update folder message counts
3557          */
3558         if (some_msgs_have_zero_num(relation)) {
3559                 folder_item_scan_full(dest, FALSE);
3560                 folderscan = TRUE;
3561         }
3562
3563         statusbar_print_all(_("Updating cache for %s..."), dest->path ? dest->path : "(null)");
3564         total = g_slist_length(msglist);
3565
3566         if (FOLDER_TYPE(dest->folder) == F_IMAP && total > 1) {
3567                 folder_item_scan_full(dest, FALSE);
3568                 folderscan = TRUE;
3569         }
3570         folder_item_set_batch(dest, TRUE);
3571         for (l = msglist; l != NULL; l = g_slist_next(l)) {
3572                 MsgInfo *msginfo = (MsgInfo *) l->data;
3573                 gpointer data, old_key;
3574
3575                 if (!msginfo)
3576                         continue;
3577
3578                 if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
3579                         num = GPOINTER_TO_INT(data);
3580                 else
3581                         num = 0;
3582
3583                 statusbar_progress_all(curmsg++,total, 100);
3584                 if (curmsg % 100 == 0)
3585                         GTK_EVENTS_FLUSH();
3586
3587                 if (num >= 0) {
3588                         MsgInfo *newmsginfo = NULL;
3589
3590                         if (!folderscan && num > 0) {
3591                                 newmsginfo = get_msginfo(dest, num);
3592                                 if (newmsginfo != NULL) {
3593                                         add_msginfo_to_cache(dest, newmsginfo, msginfo);
3594                                 }
3595                         }
3596                         if (newmsginfo == NULL) {
3597                                 if (!folderscan) {
3598                                         folder_item_scan_full(dest, FALSE);
3599                                         folderscan = TRUE;
3600                                 }
3601                                 if (msginfo->msgid != NULL) {
3602                                         newmsginfo = folder_item_get_msginfo_by_msgid(dest, msginfo->msgid);
3603                                         if (newmsginfo != NULL) {
3604                                                 copy_msginfo_flags(msginfo, newmsginfo);
3605                                                 num = newmsginfo->msgnum;
3606                                         }
3607                                 }
3608                         }
3609                         if (newmsginfo != NULL
3610                          && msginfo->planned_download == POP3_PARTIAL_DLOAD_DELE) {
3611                                 partial_mark_for_delete(newmsginfo);
3612                         }
3613                         if (newmsginfo != NULL
3614                          && msginfo->planned_download == POP3_PARTIAL_DLOAD_DLOAD) {
3615                                 partial_mark_for_download(newmsginfo);
3616                         }
3617                         if (!MSG_IS_POSTFILTERED (msginfo->flags)) {
3618                                 procmsg_msginfo_set_flags (   msginfo, MSG_POSTFILTERED, 0);
3619                                 if (newmsginfo) {
3620                                         procmsg_msginfo_set_flags (newmsginfo, MSG_POSTFILTERED, 0);
3621                                         hooks_invoke (MAIL_POSTFILTERING_HOOKLIST, newmsginfo);
3622                                 }
3623                         }
3624                         procmsg_msginfo_free(newmsginfo);
3625
3626
3627                         if (num > lastnum)
3628                                 lastnum = num;
3629                 }
3630         }
3631         folder_item_set_batch(dest, FALSE);
3632         statusbar_progress_all(0,0,0);
3633         statusbar_pop_all();
3634
3635         g_hash_table_destroy(relation);
3636         if (not_moved != NULL) {
3637                 g_slist_free(not_moved);
3638                 return -1;
3639         } else
3640                 return lastnum;
3641 }
3642
3643 /**
3644  * Move a message to a new folder.
3645  *
3646  * \param dest Destination folder
3647  * \param msginfo The message
3648  */
3649 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
3650 {
3651         GSList list;
3652
3653         cm_return_val_if_fail(dest != NULL, -1);
3654         cm_return_val_if_fail(msginfo != NULL, -1);
3655
3656         list.data = msginfo;
3657         list.next = NULL;
3658
3659         return do_copy_msgs(dest, &list, TRUE);
3660 }
3661
3662 /**
3663  * Move a list of messages to a new folder.
3664  *
3665  * \param dest Destination folder
3666  * \param msglist List of messages
3667  */
3668 gint folder_item_move_msgs(FolderItem *dest, GSList *msglist)
3669 {
3670         gint result = -1;
3671         cm_return_val_if_fail(dest != NULL, -1);
3672         cm_return_val_if_fail(msglist != NULL, -1);
3673         inc_lock();
3674         result = do_copy_msgs(dest, msglist, TRUE);
3675         inc_unlock();
3676         return result;
3677 }
3678
3679 /**
3680  * Copy a message to a new folder.
3681  *
3682  * \param dest Destination folder
3683  * \param msginfo The message
3684  */
3685 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
3686 {
3687         GSList list;
3688
3689         cm_return_val_if_fail(dest != NULL, -1);
3690         cm_return_val_if_fail(msginfo != NULL, -1);
3691
3692         list.data = msginfo;
3693         list.next = NULL;
3694
3695         return do_copy_msgs(dest, &list, FALSE);
3696 }
3697
3698 /**
3699  * Copy a list of messages to a new folder.
3700  *
3701  * \param dest Destination folder
3702  * \param msglist List of messages
3703  */
3704 gint folder_item_copy_msgs(FolderItem *dest, GSList *msglist)
3705 {
3706         gint result;
3707         cm_return_val_if_fail(dest != NULL, -1);
3708         cm_return_val_if_fail(msglist != NULL, -1);
3709
3710         inc_lock();
3711         result = do_copy_msgs(dest, msglist, FALSE);
3712         inc_unlock();
3713
3714         return result;
3715 }
3716
3717 gint folder_item_remove_msg(FolderItem *item, gint num)
3718 {
3719         Folder *folder;
3720         gint ret;
3721         MsgInfo *msginfo;
3722
3723         cm_return_val_if_fail(item != NULL, -1);
3724         folder = item->folder;
3725         cm_return_val_if_fail(folder->klass->remove_msg != NULL, -1);
3726         if (item->no_select)
3727                 return -1;
3728
3729         if (!item->cache) folder_item_read_cache(item);
3730
3731         msginfo = msgcache_get_msg(item->cache, num);
3732         if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
3733                 procmsg_msginfo_free(msginfo);
3734                 return -1;
3735         }
3736         ret = folder->klass->remove_msg(folder, item, num);
3737
3738         if (!item->folder->account || item->folder->account->imap_use_trash) {
3739                 if (msginfo != NULL) {
3740                         if (ret == 0)
3741                                 remove_msginfo_from_cache(item, msginfo);
3742                         procmsg_msginfo_free(msginfo);
3743                 }
3744         }
3745
3746         return ret;
3747 }
3748
3749 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
3750 {
3751         Folder *folder;
3752         gint ret = 0;
3753         GSList *real_list = NULL, *cur = NULL;
3754
3755         cm_return_val_if_fail(item != NULL, -1);
3756         folder = item->folder;
3757         cm_return_val_if_fail(folder != NULL, -1);
3758         if (item->no_select)
3759                 return -1;
3760         inc_lock();
3761         if (!item->cache) folder_item_read_cache(item);
3762
3763         folder_item_update_freeze();
3764
3765         /* filter out locked mails */
3766         for (cur = msglist; cur; cur = cur->next) {
3767                 MsgInfo *info = (MsgInfo *)cur->data;
3768                 if (!MSG_IS_LOCKED(info->flags))
3769                         real_list = g_slist_prepend(real_list, info);
3770         }
3771
3772         real_list = g_slist_reverse(real_list);
3773
3774         if (item->folder->klass->remove_msgs) {
3775                 ret = item->folder->klass->remove_msgs(item->folder,
3776                                                         item,
3777                                                         real_list,
3778                                                         NULL);
3779         }
3780         cur = real_list;
3781         while (ret == 0 && cur != NULL) {
3782                 MsgInfo *msginfo = (MsgInfo *)cur->data;
3783                 if (msginfo && MSG_IS_LOCKED(msginfo->flags)) {
3784                         cur = cur->next;
3785                         continue;
3786                 }
3787                 if (!item->folder->klass->remove_msgs)
3788                         ret = folder_item_remove_msg(item, msginfo->msgnum);
3789                 if (ret != 0) break;
3790                 msgcache_remove_msg(item->cache, msginfo->msgnum);
3791                 cur = cur->next;
3792         }
3793         g_slist_free(real_list);
3794         folder_item_scan_full(item, FALSE);
3795         folder_item_update_thaw();
3796         inc_unlock();
3797         return ret;
3798 }
3799
3800 gint folder_item_expunge(FolderItem *item)
3801 {
3802         Folder *folder = item->folder;
3803         gint result = 0;
3804         if (folder == NULL)
3805                 return -1;
3806         if (folder->klass->expunge) {
3807                 GSList *msglist = folder_item_get_msg_list(item);
3808                 GSList *cur;
3809                 result = folder->klass->expunge(folder, item);
3810                 if (result == 0) {
3811                         for (cur = msglist; cur; cur = cur->next) {
3812                                 MsgInfo *msginfo = (MsgInfo *)cur->data;
3813                                 if (MSG_IS_DELETED(msginfo->flags)) {
3814                                         remove_msginfo_from_cache(item, msginfo);
3815                                 }
3816                         }
3817                 }
3818                 procmsg_msg_list_free(msglist);
3819         }
3820         return result;
3821 }
3822
3823 gint folder_item_remove_all_msg(FolderItem *item)
3824 {
3825         Folder *folder;
3826         gint result;
3827
3828         cm_return_val_if_fail(item != NULL, -1);
3829         if (item->no_select)
3830                 return -1;
3831
3832         folder = item->folder;
3833
3834         inc_lock();
3835         if (folder->klass->remove_all_msg != NULL) {
3836                 result = folder->klass->remove_all_msg(folder, item);
3837
3838                 if (result == 0) {
3839                         folder_item_free_cache(item, TRUE);
3840                         item->cache = msgcache_new();
3841                         item->cache_dirty = TRUE;
3842                         item->mark_dirty = TRUE;
3843                         item->tags_dirty = TRUE;
3844                 }
3845         } else {
3846                 MsgInfoList *msglist;
3847
3848                 msglist = folder_item_get_msg_list(item);
3849                 result = folder_item_remove_msgs(item, msglist);
3850                 procmsg_msg_list_free(msglist);
3851         }
3852
3853         if (result == 0) {
3854                 item->new_msgs = 0;
3855                 item->unread_msgs = 0;
3856                 item->unreadmarked_msgs = 0;
3857                 item->marked_msgs = 0;
3858                 item->total_msgs = 0;
3859                 item->replied_msgs = 0;
3860                 item->forwarded_msgs = 0;
3861                 item->locked_msgs = 0;
3862                 item->ignored_msgs = 0;
3863                 item->watched_msgs = 0;
3864                 folder_item_update(item, F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_CONTENT);
3865         }
3866
3867         inc_unlock();
3868         return result;
3869 }
3870
3871 void folder_item_change_msg_flags(FolderItem *item, MsgInfo *msginfo, MsgPermFlags newflags)
3872 {
3873         cm_return_if_fail(item != NULL);
3874         cm_return_if_fail(msginfo != NULL);
3875
3876         item->mark_dirty = TRUE;
3877
3878         if (item->no_select)
3879                 return;
3880
3881         if (item->folder->klass->change_flags != NULL && item->scanning != ITEM_SCANNING_WITH_FLAGS) {
3882                 item->folder->klass->change_flags(item->folder, item, msginfo, newflags);
3883         } else {
3884                 msginfo->flags.perm_flags = newflags;
3885         }
3886 }
3887
3888 void folder_item_commit_tags(FolderItem *item, MsgInfo *msginfo, GSList *tags_set, GSList *tags_unset)
3889 {
3890         Folder *folder = NULL;
3891
3892         if (!msginfo)
3893                 return;
3894         if (!item)
3895                 return;
3896         if (!tags_set && !tags_unset)
3897                 return;
3898
3899         folder = item->folder;
3900         if (!folder)
3901                 return;
3902
3903         item->tags_dirty = TRUE;
3904
3905         if (folder->klass->commit_tags == NULL)
3906                 return;
3907
3908         folder->klass->commit_tags(item, msginfo, tags_set, tags_unset);
3909 }
3910
3911 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
3912 {
3913         Folder *folder;
3914
3915         cm_return_val_if_fail(item != NULL, FALSE);
3916         if (item->no_select)
3917                 return FALSE;
3918
3919         folder = item->folder;
3920
3921         cm_return_val_if_fail(folder->klass->is_msg_changed != NULL, -1);
3922
3923         return folder->klass->is_msg_changed(folder, item, msginfo);
3924 }
3925
3926 void folder_item_discard_cache(FolderItem *item)
3927 {
3928         gchar *dir;
3929         gchar *cache;
3930
3931         if (!item)
3932                 return;
3933
3934         if (item->cache) {
3935                 msgcache_destroy(item->cache);
3936                 item->cache = NULL;
3937         }
3938         dir = folder_item_get_path(item);
3939         if (is_dir_exist(dir))
3940                 remove_all_numbered_files(dir);
3941         g_free(dir);
3942
3943         cache = folder_item_get_cache_file(item);
3944         if (is_file_exist(cache))
3945                 claws_unlink(cache);
3946         g_free(cache);
3947
3948 }
3949
3950 static gchar *folder_item_get_cache_file(FolderItem *item)
3951 {
3952         gchar *path;
3953         gchar *file;
3954         gchar *old_file;
3955
3956         cm_return_val_if_fail(item != NULL, NULL);
3957         cm_return_val_if_fail(item->path != NULL, NULL);
3958
3959         path = folder_item_get_path(item);
3960         cm_return_val_if_fail(path != NULL, NULL);
3961         if (!is_dir_exist(path))
3962                 make_dir_hier(path);
3963         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
3964         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_CACHE_FILE, NULL);
3965
3966         if (!is_file_exist(file) && is_file_exist(old_file))
3967                 move_file(old_file, file, FALSE);
3968         g_free(old_file);
3969         g_free(path);
3970
3971         return file;
3972 }
3973
3974 static gchar *folder_item_get_mark_file(FolderItem *item)
3975 {
3976         gchar *path;
3977         gchar *file;
3978         gchar *old_file;
3979
3980         cm_return_val_if_fail(item != NULL, NULL);
3981         cm_return_val_if_fail(item->path != NULL, NULL);
3982
3983         path = folder_item_get_path(item);
3984         cm_return_val_if_fail(path != NULL, NULL);
3985         if (!is_dir_exist(path))
3986                 make_dir_hier(path);
3987         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
3988         old_file = g_strconcat(path, G_DIR_SEPARATOR_S, OLD_MARK_FILE, NULL);
3989
3990         if (!is_file_exist(file) && is_file_exist(old_file))
3991                 move_file(old_file, file, FALSE);
3992         g_free(old_file);
3993         g_free(path);
3994
3995         return file;
3996 }
3997
3998 static gchar *folder_item_get_tags_file(FolderItem *item)
3999 {
4000         gchar *path;
4001         gchar *identifier;
4002         gchar *file;
4003
4004         /* we save tags files in rc_dir, because tagsrc is there too,
4005          * and storing tags directly in the mailboxes would give strange
4006          * result when using another Claws mailbox from another install
4007          * with different tags. */
4008
4009         cm_return_val_if_fail(item != NULL, NULL);
4010
4011         identifier = folder_item_get_identifier(item);
4012         cm_return_val_if_fail(identifier != NULL, NULL);
4013
4014 #ifdef G_OS_WIN32
4015         while (strchr(identifier, '/'))
4016                 *strchr(identifier, '/') = '\\';
4017 #endif
4018
4019         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4020                            "tagsdb", G_DIR_SEPARATOR_S,
4021                            identifier, NULL);
4022
4023         g_free(identifier);
4024
4025         if (!is_dir_exist(path))
4026                 make_dir_hier(path);
4027
4028         file = g_strconcat(path, G_DIR_SEPARATOR_S, TAGS_FILE, NULL);
4029
4030         g_free(path);
4031
4032         return file;
4033 }
4034
4035 static gpointer xml_to_folder_item(gpointer nodedata, gpointer data)
4036 {
4037         XMLNode *xmlnode = (XMLNode *) nodedata;
4038         Folder *folder = (Folder *) data;
4039         FolderItem *item;
4040
4041         cm_return_val_if_fail(xmlnode != NULL, NULL);
4042         cm_return_val_if_fail(folder != NULL, NULL);
4043
4044         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
4045                 g_warning("tag name != \"folderitem\"\n");
4046                 return NULL;
4047         }
4048
4049         item = folder_item_new(folder, "", "");
4050         if (folder->klass->item_set_xml != NULL)
4051                 folder->klass->item_set_xml(folder, item, xmlnode->tag);
4052         else
4053                 folder_item_set_xml(folder, item, xmlnode->tag);
4054
4055         item->folder = folder;
4056
4057         switch (item->stype) {
4058         case F_INBOX:  folder->inbox  = item; break;
4059         case F_OUTBOX: folder->outbox = item; break;
4060         case F_DRAFT:  folder->draft  = item; break;
4061         case F_QUEUE:  folder->queue  = item; break;
4062         case F_TRASH:  folder->trash  = item; break;
4063         default:       break;
4064         }
4065         folder_item_prefs_read_config(item);
4066
4067         return item;
4068 }
4069
4070 static gboolean folder_item_set_node(GNode *node, gpointer data)
4071 {
4072         cm_return_val_if_fail(node->data != NULL, -1);
4073
4074         FolderItem *item = (FolderItem *) node->data;
4075         item->node = node;
4076
4077         return FALSE;
4078 }
4079
4080 static Folder *folder_get_from_xml(GNode *node)
4081 {
4082         Folder *folder;
4083         XMLNode *xmlnode;
4084         GList *list;
4085         FolderClass *klass = NULL;
4086         GNode *cur;
4087
4088         cm_return_val_if_fail(node->data != NULL, NULL);
4089
4090         xmlnode = node->data;
4091         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
4092                 g_warning("tag name != \"folder\"\n");
4093                 return NULL;
4094         }
4095         list = xmlnode->tag->attr;
4096         for (; list != NULL; list = list->next) {
4097                 XMLAttr *attr = list->data;
4098
4099                 if (!attr || !attr->name || !attr->value) continue;
4100                 if (!strcmp(attr->name, "type"))
4101                         klass = folder_get_class_from_string(attr->value);
4102         }
4103         if (klass == NULL)
4104                 return NULL;
4105
4106         folder = folder_new(klass, "", "");
4107         cm_return_val_if_fail(folder != NULL, NULL);
4108
4109         if (klass->set_xml)
4110                 klass->set_xml(folder, xmlnode->tag);
4111         else
4112                 folder_set_xml(folder, xmlnode->tag);
4113
4114         cur = node->children;
4115         while (cur != NULL) {
4116                 GNode *itemnode;
4117
4118                 itemnode = g_node_map(cur, xml_to_folder_item, (gpointer) folder);
4119                 g_node_append(folder->node, itemnode);
4120                 cur = cur->next;
4121         }
4122         g_node_traverse(folder->node, G_IN_ORDER, G_TRAVERSE_ALL, -1, folder_item_set_node, NULL);
4123
4124         return folder;
4125 }
4126
4127 gchar *folder_get_list_path(void)
4128 {
4129         static gchar *filename = NULL;
4130
4131         if (!filename)
4132                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4133                                         FOLDER_LIST, NULL);
4134
4135         return filename;
4136 }
4137
4138 static gpointer folder_item_to_xml(gpointer nodedata, gpointer data)
4139 {
4140         FolderItem *item = (FolderItem *) nodedata;
4141         XMLTag *tag;
4142
4143         cm_return_val_if_fail(item != NULL, NULL);
4144
4145         if (item->folder->klass->item_get_xml != NULL)
4146                 tag = item->folder->klass->item_get_xml(item->folder, item);
4147         else
4148                 tag = folder_item_get_xml(item->folder, item);
4149
4150         return xml_node_new(tag, NULL);
4151 }
4152
4153 static GNode *folder_get_xml_node(Folder *folder)
4154 {
4155         GNode *node;
4156         XMLNode *xmlnode;
4157         XMLTag *tag;
4158
4159         cm_return_val_if_fail(folder != NULL, NULL);
4160
4161         if (folder->klass->get_xml != NULL)
4162                 tag = folder->klass->get_xml(folder);
4163         else
4164                 tag = folder_get_xml(folder);
4165
4166         xml_tag_add_attr(tag, xml_attr_new("type", folder->klass->idstr));
4167
4168         xmlnode = xml_node_new(tag, NULL);
4169
4170         node = g_node_new(xmlnode);
4171
4172         cm_return_val_if_fail (folder->node != NULL, NULL);
4173
4174         if (folder->node->children) {
4175                 GNode *cur;
4176
4177                 cur = folder->node->children;
4178                 while (cur) {
4179                         GNode *xmlnode;
4180
4181                         xmlnode = g_node_map(cur, folder_item_to_xml, (gpointer) folder);
4182                         g_node_append(node, xmlnode);
4183                         cur = cur->next;
4184                 }
4185         }
4186
4187         return node;
4188 }
4189
4190 static void folder_update_op_count_rec(GNode *node)
4191 {
4192         FolderItem *fitem = FOLDER_ITEM(node->data);
4193
4194         if (g_node_depth(node) > 0) {
4195                 if (fitem->op_count > 0) {
4196                         fitem->op_count = 0;
4197                         folder_item_update(fitem, F_ITEM_UPDATE_MSGCNT);
4198                 }
4199                 if (node->children) {
4200                         GNode *child;
4201
4202                         child = node->children;
4203                         while (child) {
4204                                 GNode *cur;
4205
4206                                 cur = child;
4207                                 child = cur->next;
4208                                 folder_update_op_count_rec(cur);
4209                         }
4210                 }
4211         }
4212 }
4213
4214 void folder_update_op_count(void)
4215 {
4216         GList *cur;
4217         Folder *folder;
4218
4219         for (cur = folder_list; cur != NULL; cur = cur->next) {
4220                 folder = cur->data;
4221                 folder_update_op_count_rec(folder->node);
4222         }
4223 }
4224
4225 typedef struct _type_str {
4226         gchar * str;
4227         gint type;
4228 } type_str;
4229
4230
4231 /*
4232 static gchar * folder_item_get_tree_identifier(FolderItem * item)
4233 {
4234         if (item->parent != NULL) {
4235                 gchar * path;
4236                 gchar * id;
4237
4238                 path = folder_item_get_tree_identifier(item->parent);
4239                 if (path == NULL)
4240                         return NULL;
4241
4242                 id = g_strconcat(path, "/", item->name, NULL);
4243                 g_free(path);
4244
4245                 return id;
4246         }
4247         else {
4248                 return g_strconcat("/", item->name, NULL);
4249         }
4250 }
4251 */
4252
4253 /* CLAWS: temporary local folder for filtering */
4254 #define TEMP_FOLDER "TEMP_FOLDER"
4255 #define PROCESSING_FOLDER_ITEM "processing"
4256
4257 static FolderItem *folder_create_processing_folder(int account_id)
4258 {
4259         static Folder *processing_folder = NULL;
4260         FolderItem *processing_folder_item;
4261
4262         gchar *processing_folder_item_name = NULL;
4263
4264         processing_folder_item_name = g_strdup_printf("%s-%d", PROCESSING_FOLDER_ITEM, account_id);
4265
4266         if (processing_folder == NULL) {
4267                 gchar *tmppath =
4268                     g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
4269                                 "tempfolder", NULL);
4270                 processing_folder =
4271                     folder_new(mh_get_class(), TEMP_FOLDER, tmppath);
4272                 g_free(tmppath);
4273                 tmppath = NULL;
4274
4275                 g_assert(processing_folder != NULL);
4276                 processing_folder->klass->scan_tree(processing_folder);
4277         }
4278         g_assert(processing_folder != NULL);
4279
4280         processing_folder_item = folder_find_child_item_by_name(FOLDER_ITEM(processing_folder->node->data),
4281                                         processing_folder_item_name);
4282         if (processing_folder_item) {
4283                 debug_print("*TMP* already created %s\n", folder_item_get_path(processing_folder_item));
4284         } else {
4285                 processing_folder_item = processing_folder->klass->create_folder(processing_folder,
4286                                                                                  processing_folder->node->data,
4287                                                                                  processing_folder_item_name);
4288                 folder_item_append(FOLDER_ITEM(processing_folder->node->data), processing_folder_item);
4289                 debug_print("*TMP* creating %s\n", folder_item_get_path(processing_folder_item));
4290         }
4291         g_free(processing_folder_item_name);
4292         g_assert(processing_folder_item != NULL);
4293
4294         return(processing_folder_item);
4295 }
4296
4297 FolderItem *folder_get_default_processing(int account_id)
4298 {
4299         return folder_create_processing_folder(account_id);
4300 }
4301
4302 /* folder_persist_prefs_new() - return hash table with persistent
4303  * settings (and folder name as key).
4304  * (note that in claws other options are in the folder_item_prefs_RC
4305  * file, so those don't need to be included in PersistPref yet)
4306  */
4307 static GHashTable *folder_persist_prefs_new(Folder *folder)
4308 {
4309         GHashTable *pptable;
4310
4311         cm_return_val_if_fail(folder, NULL);
4312         pptable = g_hash_table_new(g_str_hash, g_str_equal);
4313         folder_get_persist_prefs_recursive(folder->node, pptable);
4314         return pptable;
4315 }
4316
4317 static void folder_persist_prefs_free(GHashTable *pptable)
4318 {
4319         cm_return_if_fail(pptable);
4320         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
4321         g_hash_table_destroy(pptable);
4322 }
4323
4324 static const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
4325 {
4326         if (pptable == NULL || name == NULL) return NULL;
4327         return g_hash_table_lookup(pptable, name);
4328 }
4329
4330 static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
4331 {
4332         const PersistPrefs *pp;
4333         gchar *id = folder_item_get_identifier(item);
4334
4335         pp = folder_get_persist_prefs(pptable, id);
4336         g_free(id);
4337
4338         if (!pp) return;
4339
4340         /* CLAWS: since not all folder properties have been migrated to
4341          * folderlist.xml, we need to call the old stuff first before
4342          * setting things that apply both to Main and Claws. */
4343         folder_item_prefs_read_config(item);
4344
4345         item->collapsed = pp->collapsed;
4346         item->thread_collapsed = pp->thread_collapsed;
4347         item->threaded  = pp->threaded;
4348         item->ret_rcpt  = pp->ret_rcpt;
4349         item->hide_read_msgs = pp->hide_read_msgs;
4350         item->hide_del_msgs = pp->hide_del_msgs;
4351         item->hide_read_threads = pp->hide_read_threads;
4352         item->sort_key  = pp->sort_key;
4353         item->sort_type = pp->sort_type;
4354 }
4355
4356 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
4357 {
4358         FolderItem *item = FOLDER_ITEM(node->data);
4359         PersistPrefs *pp;
4360         GNode *child, *cur;
4361         gchar *id;
4362
4363         cm_return_if_fail(node != NULL);
4364         cm_return_if_fail(item != NULL);
4365
4366         /* NOTE: item->path == NULL means top level folder; not interesting
4367          * to store preferences of that one.  */
4368         if (item->path) {
4369                 id = folder_item_get_identifier(item);
4370                 pp = g_new0(PersistPrefs, 1);
4371                 cm_return_if_fail(pp != NULL);
4372                 pp->collapsed = item->collapsed;
4373                 pp->thread_collapsed = item->thread_collapsed;
4374                 pp->threaded  = item->threaded;
4375                 pp->ret_rcpt  = item->ret_rcpt;
4376                 pp->hide_read_msgs = item->hide_read_msgs;
4377                 pp->hide_del_msgs = item->hide_del_msgs;
4378                 pp->hide_read_threads = item->hide_read_threads;
4379                 pp->sort_key  = item->sort_key;
4380                 pp->sort_type = item->sort_type;
4381                 g_hash_table_insert(pptable, id, pp);
4382         }
4383
4384         if (node->children) {
4385                 child = node->children;
4386                 while (child) {
4387                         cur = child;
4388                         child = cur->next;
4389                         folder_get_persist_prefs_recursive(cur, pptable);
4390                 }
4391         }
4392 }
4393
4394 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
4395 {
4396         g_free(key);
4397         g_free(val);
4398         return TRUE;
4399 }
4400
4401 void folder_item_apply_processing(FolderItem *item)
4402 {
4403         GSList *processing_list;
4404         GSList *mlist, *cur;
4405         guint total = 0, curmsg = 0;
4406         gint last_apply_per_account;
4407
4408         cm_return_if_fail(item != NULL);
4409
4410         if (item->no_select)
4411                return;
4412
4413         processing_list = item->prefs->processing;
4414
4415         if (!pre_global_processing && !processing_list
4416         &&  !post_global_processing)
4417                 return;
4418
4419         debug_print("processing %s\n", item->name);
4420         folder_item_update_freeze();
4421
4422         inc_lock();
4423
4424         mlist = folder_item_get_msg_list(item);
4425         total = g_slist_length(mlist);
4426         statusbar_print_all(_("Processing messages..."));
4427
4428         last_apply_per_account = prefs_common.apply_per_account_filtering_rules;
4429         prefs_common.apply_per_account_filtering_rules = FILTERING_ACCOUNT_RULES_SKIP;
4430
4431         folder_item_set_batch(item, TRUE);
4432         for (cur = mlist ; cur != NULL ; cur = cur->next) {
4433                 MsgInfo * msginfo;
4434
4435                 msginfo = (MsgInfo *) cur->data;
4436
4437                 /* reset parameters that can be modified by processing */
4438                 msginfo->hidden = 0;
4439                 msginfo->score = 0;
4440
4441                 statusbar_progress_all(curmsg++,total, 10);
4442
4443                 /* apply pre global rules */
4444                 filter_message_by_msginfo(pre_global_processing, msginfo, NULL,
4445                                 FILTERING_PRE_PROCESSING, NULL);
4446
4447                 /* apply rules of the folder */
4448                 filter_message_by_msginfo(processing_list, msginfo, NULL,
4449                                 FILTERING_FOLDER_PROCESSING, item->name);
4450
4451                 /* apply post global rules */
4452                 filter_message_by_msginfo(post_global_processing, msginfo, NULL,
4453                                 FILTERING_POST_PROCESSING, NULL);
4454                 if (curmsg % 1000 == 0)
4455                         GTK_EVENTS_FLUSH();
4456         }
4457         folder_item_set_batch(item, FALSE);
4458
4459         prefs_common.apply_per_account_filtering_rules = last_apply_per_account;
4460
4461         if (pre_global_processing || processing_list
4462             || post_global_processing)
4463                 filtering_move_and_copy_msgs(mlist);
4464         for (cur = mlist ; cur != NULL ; cur = cur->next) {
4465                 MsgInfo * msginfo = (MsgInfo *)cur->data;
4466                 procmsg_msginfo_free(msginfo);
4467         }
4468         g_slist_free(mlist);
4469
4470         statusbar_progress_all(0,0,0);
4471         statusbar_pop_all();
4472
4473         inc_unlock();
4474
4475         folder_item_update_thaw();
4476 }
4477
4478 /*
4479  *  functions for handling FolderItem content changes
4480  */
4481 static gint folder_item_update_freeze_cnt = 0;
4482
4483 static void folder_item_update_with_msg(FolderItem *item, FolderItemUpdateFlags update_flags, MsgInfo *msg)
4484 {
4485         if (folder_item_update_freeze_cnt == 0 /* || (msg != NULL && item->opened) */) {
4486                 FolderItemUpdateData source;
4487
4488                 source.item = item;
4489                 source.update_flags = update_flags;
4490                 source.msg = msg;
4491                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
4492         } else {
4493                 item->update_flags |= update_flags & ~(F_ITEM_UPDATE_ADDMSG | F_ITEM_UPDATE_REMOVEMSG);
4494         }
4495 }
4496
4497 /**
4498  * Notify the folder system about changes to a folder. If the
4499  * update system is not frozen the FOLDER_ITEM_UPDATE_HOOKLIST will
4500  * be invoked, otherwise the changes will be remebered until
4501  * the folder system is thawed.
4502  *
4503  * \param item The FolderItem that was changed
4504  * \param update_flags Type of changed that was made
4505  */
4506 void folder_item_update(FolderItem *item, FolderItemUpdateFlags update_flags)
4507 {
4508         folder_item_update_with_msg(item, update_flags, NULL);
4509 }
4510
4511 void folder_item_update_recursive(FolderItem *item, FolderItemUpdateFlags update_flags)
4512 {
4513         GNode *node = item->folder->node;
4514
4515         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
4516         node = node->children;
4517
4518         folder_item_update(item, update_flags);
4519         while (node != NULL) {
4520                 if (node && node->data) {
4521                         FolderItem *next_item = (FolderItem*) node->data;
4522
4523                         folder_item_update(next_item, update_flags);
4524                 }
4525                 node = node->next;
4526         }
4527 }
4528
4529 void folder_item_update_freeze(void)
4530 {
4531         folder_item_update_freeze_cnt++;
4532 }
4533
4534 static void folder_item_update_func(FolderItem *item, gpointer data)
4535 {
4536         FolderItemUpdateData source;
4537
4538         if (item->update_flags) {
4539                 source.item = item;
4540                 source.update_flags = item->update_flags;
4541                 source.msg = NULL;
4542                 hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &source);
4543                 item->update_flags = 0;
4544         }
4545 }
4546
4547 void folder_item_update_thaw(void)
4548 {
4549         if (folder_item_update_freeze_cnt > 0)
4550                 folder_item_update_freeze_cnt--;
4551         if (folder_item_update_freeze_cnt == 0) {
4552                 /* Update all folders */
4553                 folder_func_to_all_folders(folder_item_update_func, NULL);
4554         }
4555 }
4556
4557 void folder_item_synchronise(FolderItem *item)
4558 {
4559         if (!item)
4560                 return;
4561         if (item->prefs->offlinesync && item->folder->klass->synchronise) {
4562                 statuswindow_print_all(_("Synchronising %s for offline use...\n"), item->path ? item->path : "(null)");
4563                 item->folder->klass->synchronise(item,
4564                         item->prefs->offlinesync_days);
4565                 if (item->prefs->offlinesync_days > 0 &&
4566                     item->prefs->remove_old_bodies)
4567                         folder_item_clean_local_files(item, item->prefs->offlinesync_days);
4568                 statuswindow_pop_all();
4569         }
4570 }
4571
4572 static void folder_item_synchronise_func(FolderItem *item, gpointer data)
4573 {
4574         Folder *folder = (Folder *)data;
4575         if (folder == NULL || item->folder == folder) {
4576                 folder_item_synchronise(item);
4577         }
4578 }
4579
4580 void folder_synchronise(Folder *folder)
4581 {
4582         folder_func_to_all_folders(folder_item_synchronise_func, folder);
4583 }
4584
4585 typedef struct _WantSyncData {
4586         Folder *folder;
4587         gboolean want_sync;
4588 } WantSyncData;
4589
4590 static void folder_item_want_synchronise_func(FolderItem *item, gpointer data)
4591 {
4592         WantSyncData *want_sync_data = (WantSyncData *)data;
4593
4594         if (want_sync_data->folder == NULL || item->folder == want_sync_data->folder) {
4595                 if (item->prefs->offlinesync && item->folder->klass->synchronise)
4596                         want_sync_data->want_sync |= TRUE;
4597         }
4598 }
4599
4600 gboolean folder_want_synchronise(Folder *folder)
4601 {
4602         WantSyncData *want_sync_data = g_new0(WantSyncData, 1);
4603         gboolean result;
4604         want_sync_data->folder = folder;
4605         want_sync_data->want_sync = FALSE;
4606
4607         folder_func_to_all_folders(folder_item_want_synchronise_func, want_sync_data);
4608         result = want_sync_data->want_sync;
4609         g_free(want_sync_data);
4610         if (result > 0)
4611                 debug_print("Folder %s wants sync\n", folder->name);
4612         return result;
4613 }
4614
4615 void folder_item_set_batch (FolderItem *item, gboolean batch)
4616 {
4617         if (!item || !item->folder)
4618                 return;
4619         if (item->folder->klass->set_batch) {
4620                 item->folder->klass->set_batch(item->folder, item, batch);
4621         }
4622 }
4623
4624 gboolean folder_has_parent_of_type(FolderItem *item,
4625                                           SpecialFolderItemType type)
4626 {
4627         FolderItem *cur = item;
4628
4629         if (!item)
4630                 return FALSE;
4631         /* if we already know it, make it short */
4632         if (item->parent_stype != -1) {
4633                 return (item->parent_stype == type);
4634         }
4635
4636         /* if we don't, find the type from the first possible parent,
4637          * and set our parent type to be faster next time */
4638         while (cur) {
4639                 if (cur->stype == type || cur->parent_stype == type) {
4640                         item->parent_stype = type;
4641                         return TRUE;
4642                 }
4643                 cur = folder_item_parent(cur);
4644         }
4645
4646         /* if we didn't match what was asked, we didn't return. If our
4647          * parent type is unknown, we may as well find it now to be faster
4648          * later. */
4649         if (item->parent_stype == -1) {
4650                 cur = item;
4651                 while (cur) {
4652                         /* here's an exception: Inbox subfolders are normal. */
4653                         if (item->parent_stype == -1 && cur->stype == F_INBOX
4654                         && item != cur) {
4655                                 item->parent_stype = F_NORMAL;
4656                                 break;
4657                         }
4658                         /* ah, we know this parent's parent's type, we may as
4659                          * well copy it instead of going up the full way */
4660                         if (cur->parent_stype != -1) {
4661                                 item->parent_stype = cur->parent_stype;
4662                                 break;
4663                         }
4664                         /* we found a parent that has a special type. That's
4665                          * our parent type. */
4666                         if (cur->stype != F_NORMAL) {
4667                                 cur->parent_stype = cur->stype;
4668                                 item->parent_stype = cur->stype;
4669                                 break;
4670                         }
4671                         /* if we didn't find anything, go up once more */
4672                         cur = folder_item_parent(cur);
4673                 }
4674                 /* as we still didn't find anything, our parents must all be
4675                  * normal. */
4676                 if (item->parent_stype == -1) {
4677                         item->parent_stype = F_NORMAL;
4678                 }
4679         }
4680         return FALSE;
4681 }
4682
4683 gboolean folder_is_child_of(FolderItem *item, FolderItem *parent)
4684 {
4685         if (item == NULL || parent == NULL)
4686                 return FALSE;
4687
4688         while (item != NULL) {
4689                 if (parent == item)
4690                         return TRUE;
4691
4692                 item = folder_item_parent(item);
4693         }
4694
4695         return FALSE;
4696 }
4697
4698
4699 gboolean folder_subscribe (const gchar *uri)
4700 {
4701         GList *cur;
4702         for (cur = folder_get_list(); cur != NULL; cur = g_list_next(cur)) {
4703                 Folder *folder = (Folder *) cur->data;
4704
4705                 if (folder->klass->subscribe
4706                 &&  folder->klass->subscribe(folder, uri)) {
4707                         return TRUE;
4708                 }
4709         }
4710         return FALSE;
4711
4712 }
4713
4714 gboolean folder_get_sort_type           (Folder         *folder,
4715                                          FolderSortKey  *sort_key,
4716                                          FolderSortType *sort_type)
4717 {
4718         if (!folder || !sort_key || !sort_type)
4719                 return FALSE;
4720         if (folder->klass->get_sort_type == NULL)
4721                 return FALSE;
4722         folder->klass->get_sort_type(folder, sort_key, sort_type);
4723         return TRUE;
4724 }
4725
4726 gint folder_item_search_msgs    (Folder                 *folder,
4727                                  FolderItem             *container,
4728                                  MsgNumberList          **msgs,
4729                                  gboolean               *on_server,
4730                                  MatcherList            *predicate,
4731                                  SearchProgressNotify   progress_cb,
4732                                  gpointer               progress_data)
4733 {
4734         gint result = -1;
4735
4736         folder_item_update_freeze();
4737
4738         if (folder->klass->search_msgs)
4739                 result = folder->klass->search_msgs(folder, container,
4740                                 msgs, on_server, predicate, progress_cb, progress_data);
4741         if (result < 0)
4742                 result = folder_item_search_msgs_local(folder, container,
4743                                 msgs, on_server, predicate, progress_cb, progress_data);
4744
4745         folder_item_update_thaw();
4746
4747         return result;
4748 }
4749
4750 MsgNumberList *folder_item_get_number_list(FolderItem *item)
4751 {
4752         GSList *nums = NULL;
4753         GSList *msglist = folder_item_get_msg_list(item);
4754
4755         nums = procmsg_get_number_list_for_msgs(msglist);
4756         procmsg_msg_list_free(msglist);
4757
4758         return nums;
4759 }
4760
4761 gint folder_item_search_msgs_local      (Folder                 *folder,
4762                                          FolderItem             *container,
4763                                          MsgNumberList          **msgs,
4764                                          gboolean               *on_server,
4765                                          MatcherList            *predicate,
4766                                          SearchProgressNotify   progress_cb,
4767                                          gpointer               progress_data)
4768 {
4769         GSList *result = NULL;
4770         GSList *cur = NULL;
4771         gint matched_count = 0;
4772         guint processed_count = 0;
4773         gint msgcount;
4774         GSList *nums = NULL;
4775
4776         if (*msgs == NULL) {
4777                 nums = folder_item_get_number_list(container);
4778         } else {
4779                 nums = *msgs;
4780         }
4781
4782         msgcount = g_slist_length(nums);
4783
4784         if (msgcount < 0)
4785                 return -1;
4786
4787         for (cur = nums; cur != NULL; cur = cur->next) {
4788                 guint msgnum = GPOINTER_TO_UINT(cur->data);
4789                 MsgInfo *msg = folder_item_get_msginfo(container, msgnum);
4790
4791                 if (msg == NULL) {
4792                         g_slist_free(result);
4793                         return -1;
4794                 }
4795
4796                 if (matcherlist_match(predicate, msg)) {
4797                         result = g_slist_prepend(result, GUINT_TO_POINTER(msg->msgnum));
4798                         matched_count++;
4799                 }
4800                 processed_count++;
4801
4802                 if (progress_cb != NULL
4803                     && !progress_cb(progress_data, FALSE, processed_count,
4804                             matched_count, msgcount))
4805                         break;
4806         }
4807
4808         g_slist_free(nums);
4809         *msgs = g_slist_reverse(result);
4810
4811         return matched_count;
4812 }
4813