src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29
  30 #include "intl.h"
  31 #include "folder.h"
  32 #include "session.h"
  33 #include "imap.h"
  34 #include "news.h"
  35 #include "mh.h"
  36 #include "mbox_folder.h"
  37 #include "utils.h"
  38 #include "xml.h"
  39 #include "codeconv.h"
  40 #include "prefs.h"
  41 #include "account.h"
  42 #include "prefs_account.h"
  43 #include "mbox_folder.h"
  44
  45 static GList *folder_list = NULL;
  46
  47 static void folder_init         (Folder         *folder,
  48                                  FolderType      type,
  49                                  const gchar    *name);
  50
  51 static void local_folder_destroy        (LocalFolder    *lfolder);
  52 static void remote_folder_destroy       (RemoteFolder   *rfolder);
  53 static void mh_folder_destroy           (MHFolder       *folder);
  54 static void mbox_folder_destroy         (MboxFolder     *folder);
  55 static void imap_folder_destroy         (IMAPFolder     *folder);
  56 static void news_folder_destroy         (NewsFolder     *folder);
  57
  58 static gboolean folder_read_folder_func (GNode          *node,
  59                                          gpointer        data);
  60 static gchar *folder_get_list_path      (void);
  61 static void folder_write_list_recursive (GNode          *node,
  62                                          gpointer        data);
  63
  64
  65 Folder *folder_new(FolderType type, const gchar *name, const gchar *path)
  66 {
  67         Folder *folder = NULL;
  68
  69         name = name ? name : path;
  70         switch (type) {
  71         case F_MBOX:
  72                 folder = mbox_folder_new(name, path);
  73                 break;
  74         case F_MH:
  75                 folder = mh_folder_new(name, path);
  76                 break;
  77         case F_IMAP:
  78                 folder = imap_folder_new(name, path);
  79                 break;
  80         case F_NEWS:
  81                 folder = news_folder_new(name, path);
  82                 break;
  83         default:
  84                 return NULL;
  85         }
  86
  87         return folder;
  88 }
  89
  90 Folder *mh_folder_new(const gchar *name, const gchar *path)
  91 {
  92         Folder *folder;
  93
  94         folder = (Folder *)g_new0(MHFolder, 1);
  95         folder_init(folder, F_MH, name);
  96         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
  97
  98         return folder;
  99 }
 100
 101 Folder *mbox_folder_new(const gchar *name, const gchar *path)
 102 {
 103         /* implementing */
 104         Folder *folder;
 105
 106         folder = (Folder *)g_new0(MboxFolder, 1);
 107         folder_init(folder, F_MBOX, name);
 108         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
 109
 110         return folder;
 111 }
 112
 113 Folder *maildir_folder_new(const gchar *name, const gchar *path)
 114 {
 115         /* not yet implemented */
 116         return NULL;
 117 }
 118
 119 Folder *imap_folder_new(const gchar *name, const gchar *path)
 120 {
 121         Folder *folder;
 122
 123         folder = (Folder *)g_new0(IMAPFolder, 1);
 124         folder_init(folder, F_IMAP, name);
 125
 126         return folder;
 127 }
 128
 129 Folder *news_folder_new(const gchar *name, const gchar *path)
 130 {
 131         Folder *folder;
 132
 133         folder = (Folder *)g_new0(NewsFolder, 1);
 134         folder_init(folder, F_NEWS, name);
 135
 136         return folder;
 137 }
 138
 139 FolderItem *folder_item_new(const gchar *name, const gchar *path)
 140 {
 141         FolderItem *item;
 142
 143         item = g_new0(FolderItem, 1);
 144
 145         item->stype = F_NORMAL;
 146         item->name = g_strdup(name);
 147         item->path = g_strdup(path);
 148         item->account = NULL;
 149         item->mtime = 0;
 150         item->new = 0;
 151         item->unread = 0;
 152         item->total = 0;
 153         item->last_num = -1;
 154         item->parent = NULL;
 155         item->folder = NULL;
 156         item->data = NULL;
 157
 158         item->prefs = prefs_folder_item_new();
 159
 160         return item;
 161 }
 162
 163 void folder_item_append(FolderItem *parent, FolderItem *item)
 164 {
 165         GNode *node;
 166
 167         g_return_if_fail(parent != NULL);
 168         g_return_if_fail(parent->folder != NULL);
 169         g_return_if_fail(item != NULL);
 170
 171         node = parent->folder->node;
 172         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 173         g_return_if_fail(node != NULL);
 174
 175         item->parent = parent;
 176         item->folder = parent->folder;
 177         g_node_append_data(node, item);
 178 }
 179
 180 void folder_item_remove(FolderItem *item)
 181 {
 182         GNode *node;
 183
 184         g_return_if_fail(item != NULL);
 185         g_return_if_fail(item->folder != NULL);
 186
 187         node = item->folder->node;
 188         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 189         g_return_if_fail(node != NULL);
 190
 191         /* TODO: free all FolderItem's first */
 192         if (item->folder->node == node)
 193                 item->folder->node = NULL;
 194         g_node_destroy(node);
 195 }
 196
 197 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 198 {
 199         g_return_if_fail(folder != NULL);
 200
 201         folder->ui_func = func;
 202         folder->ui_func_data = data;
 203 }
 204
 205 void folder_set_name(Folder *folder, const gchar *name)
 206 {
 207         g_return_if_fail(folder != NULL);
 208
 209         g_free(folder->name);
 210         folder->name = name ? g_strdup(name) : NULL;
 211         if (folder->node && folder->node->data) {
 212                 FolderItem *item = (FolderItem *)folder->node->data;
 213
 214                 g_free(item->name);
 215                 item->name = name ? g_strdup(name) : NULL;
 216         }
 217 }
 218
 219 void folder_destroy(Folder *folder)
 220 {
 221         g_return_if_fail(folder != NULL);
 222
 223         folder_list = g_list_remove(folder_list, folder);
 224
 225         switch (folder->type) {
 226         case F_MH:
 227                 mh_folder_destroy(MH_FOLDER(folder));
 228                 break;
 229         case F_MBOX:
 230                 mbox_folder_destroy(MBOX_FOLDER(folder));
 231                 break;
 232         case F_IMAP:
 233                 imap_folder_destroy(IMAP_FOLDER(folder));
 234                 break;
 235         case F_NEWS:
 236                 news_folder_destroy(NEWS_FOLDER(folder));
 237                 break;
 238         default:
 239         }
 240
 241         folder_tree_destroy(folder);
 242         g_free(folder->name);
 243         g_free(folder);
 244 }
 245
 246 void folder_tree_destroy(Folder *folder)
 247 {
 248         /* TODO: destroy all FolderItem before */
 249         g_node_destroy(folder->node);
 250 }
 251
 252 void folder_add(Folder *folder)
 253 {
 254         Folder *cur_folder;
 255         GList *cur;
 256         gint i;
 257
 258         g_return_if_fail(folder != NULL);
 259
 260         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 261                 cur_folder = FOLDER(cur->data);
 262                 if (folder->type == F_MH) {
 263                         if (cur_folder->type != F_MH) break;
 264                 } else if (folder->type == F_MBOX) {
 265                         if (cur_folder->type != F_MH &&
 266                             cur_folder->type != F_MBOX) break;
 267                 } else if (folder->type == F_IMAP) {
 268                         if (cur_folder->type != F_MH &&
 269                             cur_folder->type != F_MBOX &&
 270                             cur_folder->type != F_IMAP) break;
 271                 } else if (folder->type == F_NEWS) {
 272                         if (cur_folder->type != F_MH &&
 273                             cur_folder->type != F_MBOX &&
 274                             cur_folder->type != F_IMAP &&
 275                             cur_folder->type != F_NEWS) break;
 276                 }
 277         }
 278
 279         folder_list = g_list_insert(folder_list, folder, i);
 280 }
 281
 282 GList *folder_get_list(void)
 283 {
 284         return folder_list;
 285 }
 286
 287 gint folder_read_list(void)
 288 {
 289         GNode *node;
 290         XMLNode *xmlnode;
 291
 292         node = xml_parse_file(folder_get_list_path());
 293         if (!node) return -1;
 294
 295         xmlnode = node->data;
 296         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 297                 g_warning("wrong folder list\n");
 298                 xml_free_tree(node);
 299                 return -1;
 300         }
 301
 302         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 303                         folder_read_folder_func, NULL);
 304
 305         xml_free_tree(node);
 306         if (folder_list)
 307                 return 0;
 308         else
 309                 return -1;
 310 }
 311
 312 void folder_write_list(void)
 313 {
 314         GList *list;
 315         Folder *folder;
 316         gchar *path;
 317         PrefFile *pfile;
 318
 319         path = folder_get_list_path();
 320         if ((pfile = prefs_write_open(path)) == NULL) return;
 321
 322         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 323                 conv_get_current_charset_str());
 324         fputs("\n<folderlist>\n", pfile->fp);
 325
 326         for (list = folder_list; list != NULL; list = list->next) {
 327                 folder = list->data;
 328                 folder_write_list_recursive(folder->node, pfile->fp);
 329         }
 330
 331         fputs("</folderlist>\n", pfile->fp);
 332
 333         if (prefs_write_close(pfile) < 0)
 334                 g_warning("failed to write folder list.\n");
 335 }
 336
 337 Folder *folder_find_from_path(const gchar *path)
 338 {
 339         GList *list;
 340         Folder *folder;
 341
 342         for (list = folder_list; list != NULL; list = list->next) {
 343                 folder = list->data;
 344                 if (folder->type == F_MH &&
 345                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 346                         return folder;
 347         }
 348
 349         return NULL;
 350 }
 351
 352 static gboolean folder_item_find_func(GNode *node, gpointer data)
 353 {
 354         FolderItem *item = node->data;
 355         gpointer *d = data;
 356         const gchar *path = d[0];
 357
 358         if (path_cmp(path, item->path) != 0)
 359                 return FALSE;
 360
 361         d[1] = item;
 362
 363         return TRUE;
 364 }
 365
 366 FolderItem *folder_find_item_from_path(const gchar *path)
 367 {
 368         Folder *folder;
 369         gpointer d[2];
 370
 371         folder = folder_get_default_folder();
 372         g_return_val_if_fail(folder != NULL, NULL);
 373
 374         d[0] = (gpointer)path;
 375         d[1] = NULL;
 376         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 377                         folder_item_find_func, d);
 378         return d[1];
 379 }
 380
 381 Folder *folder_get_default_folder(void)
 382 {
 383         return FOLDER(folder_list->data);
 384 }
 385
 386 FolderItem *folder_get_default_inbox(void)
 387 {
 388         Folder *folder;
 389
 390         folder = FOLDER(folder_list->data);
 391         g_return_val_if_fail(folder != NULL, NULL);
 392         return folder->inbox;
 393 }
 394
 395 FolderItem *folder_get_default_outbox(void)
 396 {
 397         Folder *folder;
 398
 399         folder = FOLDER(folder_list->data);
 400         g_return_val_if_fail(folder != NULL, NULL);
 401         return folder->outbox;
 402 }
 403
 404 FolderItem *folder_get_default_draft(void)
 405 {
 406         Folder *folder;
 407
 408         folder = FOLDER(folder_list->data);
 409         g_return_val_if_fail(folder != NULL, NULL);
 410         return folder->draft;
 411 }
 412
 413 FolderItem *folder_get_default_queue(void)
 414 {
 415         Folder *folder;
 416
 417         folder = FOLDER(folder_list->data);
 418         g_return_val_if_fail(folder != NULL, NULL);
 419         return folder->queue;
 420 }
 421
 422 FolderItem *folder_get_default_trash(void)
 423 {
 424         Folder *folder;
 425
 426         folder = FOLDER(folder_list->data);
 427         g_return_val_if_fail(folder != NULL, NULL);
 428         return folder->trash;
 429 }
 430
 431 gchar *folder_item_get_path(FolderItem *item)
 432 {
 433         gchar *folder_path;
 434         gchar *path;
 435
 436         g_return_val_if_fail(item != NULL, NULL);
 437
 438         if (FOLDER_TYPE(item->folder) == F_MH)
 439                 folder_path = g_strdup(LOCAL_FOLDER(item->folder)->rootpath);
 440         else if (FOLDER_TYPE(item->folder) == F_MBOX) {
 441                 path = mbox_get_virtual_path(item);
 442                 if (path == NULL)
 443                         return NULL;
 444                 folder_path = g_strconcat(get_mbox_cache_dir(),
 445                                           G_DIR_SEPARATOR_S, path, NULL);
 446                 g_free(path);
 447
 448                 return folder_path;
 449         }
 450         else if (FOLDER_TYPE(item->folder) == F_IMAP) {
 451                 g_return_val_if_fail(item->folder->account != NULL, NULL);
 452                 folder_path = g_strconcat(get_imap_cache_dir(),
 453                                           G_DIR_SEPARATOR_S,
 454                                           item->folder->account->recv_server,
 455                                           G_DIR_SEPARATOR_S,
 456                                           item->folder->account->userid,
 457                                           NULL);
 458         } else if (FOLDER_TYPE(item->folder) == F_NEWS) {
 459                 g_return_val_if_fail(item->folder->account != NULL, NULL);
 460                 folder_path = g_strconcat(get_news_cache_dir(),
 461                                           G_DIR_SEPARATOR_S,
 462                                           item->folder->account->nntp_server,
 463                                           NULL);
 464         } else
 465                 return NULL;
 466
 467         g_return_val_if_fail(folder_path != NULL, NULL);
 468
 469         if (folder_path[0] == G_DIR_SEPARATOR) {
 470                 if (item->path)
 471                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 472                                            item->path, NULL);
 473                 else
 474                         path = g_strdup(folder_path);
 475         } else {
 476                 if (item->path)
 477                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 478                                            folder_path, G_DIR_SEPARATOR_S,
 479                                            item->path, NULL);
 480                 else
 481                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 482                                            folder_path, NULL);
 483         }
 484
 485         g_free(folder_path);
 486         return path;
 487 }
 488
 489 void folder_item_scan(FolderItem *item)
 490 {
 491         Folder *folder;
 492
 493         g_return_if_fail(item != NULL);
 494
 495         folder = item->folder;
 496
 497         g_return_if_fail(folder->scan != NULL);
 498
 499         folder->scan(folder, item);
 500 }
 501
 502 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
 503                                           gpointer data)
 504 {
 505         folder_item_scan(FOLDER_ITEM(key));
 506 }
 507
 508 void folder_item_scan_foreach(GHashTable *table)
 509 {
 510         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
 511 }
 512
 513 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
 514 {
 515         Folder *folder;
 516
 517         g_return_val_if_fail(item != NULL, NULL);
 518
 519         folder = item->folder;
 520
 521         g_return_val_if_fail(folder->scan != NULL, NULL);
 522         g_return_val_if_fail(folder->fetch_msg != NULL, NULL);
 523
 524         if (item->last_num < 0) folder->scan(folder, item);
 525
 526         return folder->fetch_msg(folder, item, num);
 527 }
 528
 529 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
 530                          gboolean remove_source)
 531 {
 532         Folder *folder;
 533         gint num;
 534
 535         g_return_val_if_fail(dest != NULL, -1);
 536         g_return_val_if_fail(file != NULL, -1);
 537
 538         folder = dest->folder;
 539
 540         g_return_val_if_fail(folder->scan != NULL, -1);
 541         g_return_val_if_fail(folder->add_msg != NULL, -1);
 542
 543         if (dest->last_num < 0) folder->scan(folder, dest);
 544
 545         num = folder->add_msg(folder, dest, file, remove_source);
 546         if (num > 0) dest->last_num = num;
 547
 548         printf("%i\n", num);
 549
 550         return num;
 551 }
 552
 553 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
 554 {
 555         Folder *folder;
 556         gint num;
 557
 558         g_return_val_if_fail(dest != NULL, -1);
 559         g_return_val_if_fail(msginfo != NULL, -1);
 560
 561         folder = dest->folder;
 562
 563         g_return_val_if_fail(folder->scan != NULL, -1);
 564         g_return_val_if_fail(folder->move_msg != NULL, -1);
 565
 566         if (dest->last_num < 0) folder->scan(folder, dest);
 567
 568         num = folder->move_msg(folder, dest, msginfo);
 569         if (num > 0) dest->last_num = num;
 570
 571         return num;
 572 }
 573
 574 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
 575 {
 576         Folder *folder;
 577         gint num;
 578
 579         g_return_val_if_fail(dest != NULL, -1);
 580         g_return_val_if_fail(msglist != NULL, -1);
 581
 582         folder = dest->folder;
 583
 584         g_return_val_if_fail(folder->scan != NULL, -1);
 585         g_return_val_if_fail(folder->move_msgs_with_dest != NULL, -1);
 586
 587         if (dest->last_num < 0) folder->scan(folder, dest);
 588
 589         num = folder->move_msgs_with_dest(folder, dest, msglist);
 590         if (num > 0) dest->last_num = num;
 591
 592         return num;
 593 }
 594
 595 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
 596 {
 597         Folder *folder;
 598         gint num;
 599
 600         g_return_val_if_fail(dest != NULL, -1);
 601         g_return_val_if_fail(msginfo != NULL, -1);
 602
 603         folder = dest->folder;
 604
 605         g_return_val_if_fail(folder->scan != NULL, -1);
 606         g_return_val_if_fail(folder->copy_msg != NULL, -1);
 607
 608         if (dest->last_num < 0) folder->scan(folder, dest);
 609
 610         num = folder->copy_msg(folder, dest, msginfo);
 611         if (num > 0) dest->last_num = num;
 612
 613         return num;
 614 }
 615
 616 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
 617 {
 618         Folder *folder;
 619         gint num;
 620
 621         g_return_val_if_fail(dest != NULL, -1);
 622         g_return_val_if_fail(msglist != NULL, -1);
 623
 624         folder = dest->folder;
 625
 626         g_return_val_if_fail(folder->scan != NULL, -1);
 627         g_return_val_if_fail(folder->copy_msgs_with_dest != NULL, -1);
 628
 629         if (dest->last_num < 0) folder->scan(folder, dest);
 630
 631         num = folder->copy_msgs_with_dest(folder, dest, msglist);
 632         if (num > 0) dest->last_num = num;
 633
 634         return num;
 635 }
 636
 637 gint folder_item_remove_msg(FolderItem *item, gint num)
 638 {
 639         Folder *folder;
 640
 641         g_return_val_if_fail(item != NULL, -1);
 642
 643         folder = item->folder;
 644
 645         g_return_val_if_fail(folder->scan != NULL, -1);
 646         g_return_val_if_fail(folder->remove_msg != NULL, -1);
 647
 648         if (item->last_num < 0) folder->scan(folder, item);
 649
 650         return folder->remove_msg(folder, item, num);
 651 }
 652
 653 gint folder_item_remove_all_msg(FolderItem *item)
 654 {
 655         Folder *folder;
 656
 657         g_return_val_if_fail(item != NULL, -1);
 658         g_return_val_if_fail(folder->scan != NULL, -1);
 659         g_return_val_if_fail(folder->remove_all_msg != NULL, -1);
 660
 661         folder = item->folder;
 662         if (item->last_num < 0) folder->scan(folder, item);
 663
 664         return folder->remove_all_msg(folder, item);
 665 }
 666
 667 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
 668 {
 669         Folder *folder;
 670
 671         g_return_val_if_fail(item != NULL, FALSE);
 672
 673         folder = item->folder;
 674
 675         g_return_val_if_fail(folder->is_msg_changed != NULL, -1);
 676
 677         return folder->is_msg_changed(folder, item, msginfo);
 678 }
 679
 680 gchar *folder_item_get_cache_file(FolderItem *item)
 681 {
 682         gchar *path;
 683         gchar *file;
 684
 685         g_return_val_if_fail(item != NULL, NULL);
 686         g_return_val_if_fail(item->path != NULL, NULL);
 687
 688         path = folder_item_get_path(item);
 689         g_return_val_if_fail(path != NULL, NULL);
 690         if (!is_dir_exist(path))
 691                 make_dir_hier(path);
 692         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
 693         g_free(path);
 694
 695         return file;
 696 }
 697
 698 gchar *folder_item_get_mark_file(FolderItem *item)
 699 {
 700         gchar *path;
 701         gchar *file;
 702
 703         g_return_val_if_fail(item != NULL, NULL);
 704         g_return_val_if_fail(item->path != NULL, NULL);
 705
 706         path = folder_item_get_path(item);
 707         g_return_val_if_fail(path != NULL, NULL);
 708         if (!is_dir_exist(path))
 709                 make_dir_hier(path);
 710         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
 711         g_free(path);
 712
 713         return file;
 714 }
 715
 716
 717 static void folder_init(Folder *folder, FolderType type, const gchar *name)
 718 {
 719         FolderItem *item;
 720
 721         g_return_if_fail(folder != NULL);
 722
 723         folder->type = type;
 724         folder_set_name(folder, name);
 725         folder->account = NULL;
 726         folder->inbox = NULL;
 727         folder->outbox = NULL;
 728         folder->draft = NULL;
 729         folder->queue = NULL;
 730         folder->trash = NULL;
 731         folder->ui_func = NULL;
 732         folder->ui_func_data = NULL;
 733         item = folder_item_new(name, NULL);
 734         item->folder = folder;
 735         folder->node = g_node_new(item);
 736         folder->data = NULL;
 737
 738         switch (type) {
 739         case F_MH:
 740                 folder->get_msg_list        = mh_get_msg_list;
 741                 folder->fetch_msg           = mh_fetch_msg;
 742                 folder->add_msg             = mh_add_msg;
 743                 folder->move_msg            = mh_move_msg;
 744                 folder->move_msgs_with_dest = mh_move_msgs_with_dest;
 745                 folder->copy_msg            = mh_copy_msg;
 746                 folder->copy_msgs_with_dest = mh_copy_msgs_with_dest;
 747                 folder->remove_msg          = mh_remove_msg;
 748                 folder->remove_all_msg      = mh_remove_all_msg;
 749                 folder->is_msg_changed      = mh_is_msg_changed;
 750                 folder->scan                = mh_scan_folder;
 751                 folder->scan_tree           = mh_scan_tree;
 752                 folder->create_tree         = mh_create_tree;
 753                 folder->create_folder       = mh_create_folder;
 754                 folder->rename_folder       = mh_rename_folder;
 755                 folder->remove_folder       = mh_remove_folder;
 756                 break;
 757         case F_IMAP:
 758                 folder->get_msg_list        = imap_get_msg_list;
 759                 folder->fetch_msg           = imap_fetch_msg;
 760                 folder->move_msg            = imap_move_msg;
 761                 folder->move_msgs_with_dest = imap_move_msgs_with_dest;
 762                 folder->remove_msg          = imap_remove_msg;
 763                 folder->remove_all_msg      = imap_remove_all_msg;
 764                 folder->scan                = imap_scan_folder;
 765                 folder->create_folder       = imap_create_folder;
 766                 folder->remove_folder       = imap_remove_folder;
 767                 break;
 768         case F_NEWS:
 769                 folder->get_msg_list        = news_get_article_list;
 770                 folder->fetch_msg           = news_fetch_msg;
 771                 folder->scan                = news_scan_group;
 772                 break;
 773         case F_MBOX:
 774                 folder->get_msg_list        = mbox_get_msg_list;
 775                 folder->fetch_msg           = mbox_fetch_msg;
 776                 folder->scan                = mbox_scan_folder;
 777                 folder->add_msg             = mbox_add_msg;
 778                 folder->remove_all_msg      = mbox_remove_all_msg;
 779                 folder->remove_msg          = mbox_remove_msg;
 780                 folder->update_mark         = mbox_update_mark;
 781                 folder->move_msg            = mbox_move_msg;
 782                 folder->move_msgs_with_dest = mbox_move_msgs_with_dest;
 783
 784                 /*
 785                 folder->remove_msg          = mh_remove_msg;
 786                 folder->is_msg_changed      = mh_is_msg_changed;
 787                 folder->scan_tree           = mh_scan_tree;
 788                 folder->create_tree         = mh_create_tree;
 789                 folder->create_folder       = mh_create_folder;
 790                 folder->rename_folder       = mh_rename_folder;
 791                 folder->remove_folder       = mh_remove_folder;*/
 792                 break;
 793         default:
 794         }
 795
 796         switch (type) {
 797         case F_MH:
 798         case F_MBOX:
 799         case F_MAILDIR:
 800                 LOCAL_FOLDER(folder)->rootpath = NULL;
 801                 break;
 802         case F_IMAP:
 803         case F_NEWS:
 804                 REMOTE_FOLDER(folder)->session   = NULL;
 805                 break;
 806         default:
 807         }
 808 }
 809
 810 static void local_folder_destroy(LocalFolder *lfolder)
 811 {
 812         g_return_if_fail(lfolder != NULL);
 813
 814         g_free(lfolder->rootpath);
 815 }
 816
 817 static void remote_folder_destroy(RemoteFolder *rfolder)
 818 {
 819         g_return_if_fail(rfolder != NULL);
 820
 821         if (rfolder->session)
 822                 session_destroy(rfolder->session);
 823 }
 824
 825 static void mh_folder_destroy(MHFolder *folder)
 826 {
 827         local_folder_destroy(LOCAL_FOLDER(folder));
 828 }
 829
 830 static void mbox_folder_destroy(MboxFolder *folder)
 831 {
 832         local_folder_destroy(LOCAL_FOLDER(folder));
 833 }
 834
 835 static void imap_folder_destroy(IMAPFolder *folder)
 836 {
 837         remote_folder_destroy(REMOTE_FOLDER(folder));
 838 }
 839
 840 static void news_folder_destroy(NewsFolder *folder)
 841 {
 842         remote_folder_destroy(REMOTE_FOLDER(folder));
 843 }
 844
 845 static gboolean folder_build_tree(GNode *node, gpointer data)
 846 {
 847         Folder *folder = FOLDER(data);
 848         FolderItem *item;
 849         XMLNode *xmlnode;
 850         GList *list;
 851         SpecialFolderItemType stype = F_NORMAL;
 852         const gchar *name = NULL;
 853         const gchar *path = NULL;
 854         PrefsAccount *account = NULL;
 855         gint mtime = 0, new = 0, unread = 0, total = 0;
 856
 857         g_return_val_if_fail(node->data != NULL, FALSE);
 858         if (!node->parent) return FALSE;
 859
 860         xmlnode = node->data;
 861         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
 862                 g_warning("tag name != \"folderitem\"\n");
 863                 return FALSE;
 864         }
 865
 866         list = xmlnode->tag->attr;
 867         for (; list != NULL; list = list->next) {
 868                 XMLAttr *attr = list->data;
 869
 870                 if (!attr || !attr->name || !attr->value) continue;
 871                 if (!strcmp(attr->name, "type")) {
 872                         if (!strcasecmp(attr->value, "normal"))
 873                                 stype = F_NORMAL;
 874                         else if (!strcasecmp(attr->value, "inbox"))
 875                                 stype = F_INBOX;
 876                         else if (!strcasecmp(attr->value, "outbox"))
 877                                 stype = F_OUTBOX;
 878                         else if (!strcasecmp(attr->value, "draft"))
 879                                 stype = F_DRAFT;
 880                         else if (!strcasecmp(attr->value, "queue"))
 881                                 stype = F_QUEUE;
 882                         else if (!strcasecmp(attr->value, "trash"))
 883                                 stype = F_TRASH;
 884                 } else if (!strcmp(attr->name, "name"))
 885                         name = attr->value;
 886                 else if (!strcmp(attr->name, "path"))
 887                         path = attr->value;
 888                 else if (!strcmp(attr->name, "account_id")) {
 889                         account = account_find_from_id(atoi(attr->value));
 890                         if (!account) g_warning("account_id: %s not found\n",
 891                                                 attr->value);
 892                 }
 893                 else if (!strcmp(attr->name, "mtime"))
 894                         mtime = atoi(attr->value);
 895                 else if (!strcmp(attr->name, "new"))
 896                         new = atoi(attr->value);
 897                 else if (!strcmp(attr->name, "unread"))
 898                         unread = atoi(attr->value);
 899                 else if (!strcmp(attr->name, "total"))
 900                         total = atoi(attr->value);
 901         }
 902
 903         item = folder_item_new(name, path);
 904         item->stype = stype;
 905         item->account = account;
 906         item->mtime = mtime;
 907         item->new = new;
 908         item->unread = unread;
 909         item->total = total;
 910         item->parent = FOLDER_ITEM(node->parent->data);
 911         item->folder = folder;
 912         switch (stype) {
 913         case F_INBOX:  folder->inbox  = item; break;
 914         case F_OUTBOX: folder->outbox = item; break;
 915         case F_DRAFT:  folder->draft  = item; break;
 916         case F_QUEUE:  folder->queue  = item; break;
 917         case F_TRASH:  folder->trash  = item; break;
 918         default:
 919         }
 920
 921         prefs_folder_item_read_config(item);
 922
 923         node->data = item;
 924         xml_free_node(xmlnode);
 925
 926         return FALSE;
 927 }
 928
 929 static gboolean folder_read_folder_func(GNode *node, gpointer data)
 930 {
 931         Folder *folder;
 932         XMLNode *xmlnode;
 933         GList *list;
 934         FolderType type = F_UNKNOWN;
 935         const gchar *name = NULL;
 936         const gchar *path = NULL;
 937         PrefsAccount *account = NULL;
 938
 939         if (g_node_depth(node) != 2) return FALSE;
 940         g_return_val_if_fail(node->data != NULL, FALSE);
 941
 942         xmlnode = node->data;
 943         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
 944                 g_warning("tag name != \"folder\"\n");
 945                 return TRUE;
 946         }
 947         g_node_unlink(node);
 948         list = xmlnode->tag->attr;
 949         for (; list != NULL; list = list->next) {
 950                 XMLAttr *attr = list->data;
 951
 952                 if (!attr || !attr->name || !attr->value) continue;
 953                 if (!strcmp(attr->name, "type")) {
 954                         if (!strcasecmp(attr->value, "mh"))
 955                                 type = F_MH;
 956                         else if (!strcasecmp(attr->value, "mbox"))
 957                                 type = F_MBOX;
 958                         else if (!strcasecmp(attr->value, "maildir"))
 959                                 type = F_MAILDIR;
 960                         else if (!strcasecmp(attr->value, "imap"))
 961                                 type = F_IMAP;
 962                         else if (!strcasecmp(attr->value, "news"))
 963                                 type = F_NEWS;
 964                 } else if (!strcmp(attr->name, "name"))
 965                         name = attr->value;
 966                 else if (!strcmp(attr->name, "path"))
 967                         path = attr->value;
 968                 else if (!strcmp(attr->name, "account_id")) {
 969                         account = account_find_from_id(atoi(attr->value));
 970                         if (!account) g_warning("account_id: %s not found\n",
 971                                                 attr->value);
 972                 }
 973         }
 974
 975         folder = folder_new(type, name, path);
 976         g_return_val_if_fail(folder != NULL, FALSE);
 977         folder->account = account;
 978         if (account && (type == F_IMAP || type == F_NEWS))
 979                 account->folder = REMOTE_FOLDER(folder);
 980         node->data = folder->node->data;
 981         g_node_destroy(folder->node);
 982         folder->node = node;
 983         folder_add(folder);
 984
 985         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 986                         folder_build_tree, folder);
 987
 988         return FALSE;
 989 }
 990
 991 static gchar *folder_get_list_path(void)
 992 {
 993         static gchar *filename = NULL;
 994
 995         if (!filename)
 996                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 997                                         FOLDER_LIST, NULL);
 998
 999         return filename;
1000 }
1001
1002 static void folder_write_list_recursive(GNode *node, gpointer data)
1003 {
1004         FILE *fp = (FILE *)data;
1005         FolderItem *item = FOLDER_ITEM(node->data);
1006         gint i, depth;
1007         static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
1008                                            "news", "unknown"};
1009         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
1010                                                  "draft", "queue", "trash"};
1011
1012         g_return_if_fail(item != NULL);
1013
1014         depth = g_node_depth(node);
1015         for (i = 0; i < depth; i++)
1016                 fputs("    ", fp);
1017         if (depth == 1) {
1018                 Folder *folder = item->folder;
1019
1020                 fprintf(fp, "<folder type=\"%s\"", folder_type_str[folder->type]);
1021                 if (folder->name) {
1022                         fputs(" name=\"", fp);
1023                         xml_file_put_escape_str(fp, folder->name);
1024                         fputs("\"", fp);
1025                 }
1026                 if (folder->type == F_MH) {
1027                         fputs(" path=\"", fp);
1028                         xml_file_put_escape_str
1029                                 (fp, LOCAL_FOLDER(folder)->rootpath);
1030                         fputs("\"", fp);
1031                 }
1032                 if (folder->account)
1033                         fprintf(fp, " account_id=\"%d\"",
1034                                 folder->account->account_id);
1035         } else {
1036                 fprintf(fp, "<folderitem type=\"%s\"",
1037                         folder_item_stype_str[item->stype]);
1038                 if (item->name) {
1039                         fputs(" name=\"", fp);
1040                         xml_file_put_escape_str(fp, item->name);
1041                         fputs("\"", fp);
1042                 }
1043                 if (item->path) {
1044                         fputs(" path=\"", fp);
1045                         xml_file_put_escape_str(fp, item->path);
1046                         fputs("\"", fp);
1047                 }
1048                 if (item->account)
1049                         fprintf(fp, " account_id = \"%d\"",
1050                                 item->account->account_id);
1051                 fprintf(fp,
1052                         " mtime=\"%ld\" new=\"%d\" unread=\"%d\" total=\"%d\"",
1053                         item->mtime, item->new, item->unread, item->total);
1054         }
1055
1056         if (node->children) {
1057                 GNode *child;
1058                 fputs(">\n", fp);
1059
1060                 child = node->children;
1061                 while (child) {
1062                         GNode *cur;
1063
1064                         cur = child;
1065                         child = cur->next;
1066                         folder_write_list_recursive(cur, data);
1067                 }
1068
1069                 for (i = 0; i < depth; i++)
1070                         fputs("    ", fp);
1071                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
1072         } else
1073                 fputs(" />\n", fp);
1074 }