src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkprogressbar.h>
  32 #include <stdio.h>
  33 #include <unistd.h>
  34 #include <string.h>
  35
  36 #include "main.h"
  37 #include "inc.h"
  38 #include "mainwindow.h"
  39 #include "folderview.h"
  40 #include "summaryview.h"
  41 #include "prefs_common.h"
  42 #include "prefs_account.h"
  43 #include "account.h"
  44 #include "procmsg.h"
  45 #include "socket.h"
  46 #include "ssl.h"
  47 #include "pop.h"
  48 #include "recv.h"
  49 #include "mbox.h"
  50 #include "utils.h"
  51 #include "gtkutils.h"
  52 #include "statusbar.h"
  53 #include "msgcache.h"
  54 #include "manage_window.h"
  55 #include "stock_pixmap.h"
  56 #include "progressdialog.h"
  57 #include "inputdialog.h"
  58 #include "alertpanel.h"
  59 #include "folder.h"
  60 #include "filtering.h"
  61 #include "log.h"
  62 #include "hooks.h"
  63
  64 static GList *inc_dialog_list = NULL;
  65
  66 static guint inc_lock_count = 0;
  67
  68 static GdkPixbuf *currentpix;
  69 static GdkPixbuf *errorpix;
  70 static GdkPixbuf *okpix;
  71
  72 #define MSGBUFSIZE      8192
  73
  74 static void inc_finished                (MainWindow             *mainwin,
  75                                          gboolean                new_messages);
  76 static gint inc_account_mail_real       (MainWindow             *mainwin,
  77                                          PrefsAccount           *account);
  78
  79 static IncProgressDialog *inc_progress_dialog_create
  80                                         (gboolean                autocheck);
  81 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  82 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  83
  84 static IncSession *inc_session_new      (PrefsAccount           *account);
  85 static void inc_session_destroy         (IncSession             *session);
  86 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  87 static IncState inc_pop3_session_do     (IncSession             *session);
  88
  89 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
  90                                          IncSession             *inc_session);
  91
  92 static void inc_progress_dialog_set_label
  93                                         (IncProgressDialog      *inc_dialog,
  94                                          IncSession             *inc_session);
  95 static void inc_progress_dialog_set_progress
  96                                         (IncProgressDialog      *inc_dialog,
  97                                          IncSession             *inc_session);
  98
  99 static void inc_progress_dialog_update_periodic
 100                                         (IncProgressDialog      *inc_dialog,
 101                                          IncSession             *inc_session);
 102
 103 static gint inc_recv_data_progressive   (Session        *session,
 104                                          guint           cur_len,
 105                                          guint           total_len,
 106                                          gpointer        data);
 107 static gint inc_recv_data_finished      (Session        *session,
 108                                          guint           len,
 109                                          gpointer        data);
 110 static gint inc_recv_message            (Session        *session,
 111                                          const gchar    *msg,
 112                                          gpointer        data);
 113 static gint inc_drop_message            (Pop3Session    *session,
 114                                          const gchar    *file);
 115
 116 static void inc_put_error               (IncState        istate,
 117                                          Pop3Session    *session);
 118
 119 static void inc_cancel_cb               (GtkWidget      *widget,
 120                                          gpointer        data);
 121 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 122                                          GdkEventAny    *event,
 123                                          gpointer        data);
 124
 125 static gint get_spool                   (FolderItem     *dest,
 126                                          const gchar    *mbox);
 127
 128 static gint inc_spool_account(PrefsAccount *account);
 129 static gint inc_all_spool(void);
 130 static void inc_autocheck_timer_set_interval    (guint           interval);
 131 static gint inc_autocheck_func                  (gpointer        data);
 132
 133 static void inc_notify_cmd              (gint new_msgs,
 134                                          gboolean notify);
 135
 136 /**
 137  * inc_finished:
 138  * @mainwin: Main window.
 139  * @new_messages: TRUE if some messages have been received.
 140  *
 141  * Update the folder view and the summary view after receiving
 142  * messages.  If @new_messages is FALSE, this function avoids unneeded
 143  * updating.
 144  **/
 145 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 146 {
 147         FolderItem *item;
 148
 149         if (prefs_common.scan_all_after_inc)
 150                 folderview_check_new(NULL);
 151
 152         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 153
 154         if (prefs_common.open_inbox_on_inc) {
 155                 item = cur_account && cur_account->inbox
 156                         ? folder_find_item_from_identifier(cur_account->inbox)
 157                         : folder_get_default_inbox();
 158                 folderview_unselect(mainwin->folderview);
 159                 folderview_select(mainwin->folderview, item);
 160         }
 161 }
 162
 163 void inc_mail(MainWindow *mainwin, gboolean notify)
 164 {
 165         gint new_msgs = 0;
 166         gint account_new_msgs = 0;
 167
 168         if (inc_lock_count) return;
 169
 170         if (prefs_common.work_offline &&
 171             !inc_offline_should_override(
 172                 _("Sylpheed-Claws needs network access in order "
 173                   "to get mails.")))
 174                 return;
 175
 176         inc_lock();
 177         inc_autocheck_timer_remove();
 178         main_window_lock(mainwin);
 179
 180         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 181                 /* external incorporating program */
 182                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 183                         main_window_unlock(mainwin);
 184                         inc_autocheck_timer_set();
 185                         return;
 186                 }
 187         } else {
 188                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 189                 if (account_new_msgs > 0)
 190                         new_msgs += account_new_msgs;
 191         }
 192
 193         inc_finished(mainwin, new_msgs > 0);
 194         main_window_unlock(mainwin);
 195         inc_notify_cmd(new_msgs, notify);
 196         inc_autocheck_timer_set();
 197         inc_unlock();
 198 }
 199
 200 void inc_pop_before_smtp(PrefsAccount *acc)
 201 {
 202         IncProgressDialog *inc_dialog;
 203         IncSession *session;
 204         MainWindow *mainwin;
 205
 206         mainwin = mainwindow_get_mainwindow();
 207
 208         session = inc_session_new(acc);
 209         if (!session) return;
 210         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 211
 212         inc_dialog = inc_progress_dialog_create(FALSE);
 213         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 214                                                session);
 215         /* FIXME: assumes to attach to first main window */
 216         inc_dialog->mainwin = mainwin;
 217         inc_progress_dialog_set_list(inc_dialog);
 218
 219         if (mainwin) {
 220                 toolbar_main_set_sensitive(mainwin);
 221                 main_window_set_menu_sensitive(mainwin);
 222         }
 223
 224         inc_start(inc_dialog);
 225 }
 226
 227 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 228 {
 229         IncProgressDialog *inc_dialog;
 230         IncSession *session;
 231
 232         switch (account->protocol) {
 233         case A_IMAP4:
 234         case A_NNTP:
 235                 /* Melvin: bug [14]
 236                  * FIXME: it should return foldeview_check_new() value.
 237                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 238                  * an incorrect new message count)
 239                  */
 240                 folderview_check_new(FOLDER(account->folder));
 241                 return 0;
 242         case A_POP3:
 243         case A_APOP:
 244                 session = inc_session_new(account);
 245                 if (!session) return 0;
 246
 247                 inc_dialog = inc_progress_dialog_create(FALSE);
 248                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 249                                                        session);
 250                 inc_dialog->mainwin = mainwin;
 251                 inc_progress_dialog_set_list(inc_dialog);
 252
 253                 if (mainwin) {
 254                         toolbar_main_set_sensitive(mainwin);
 255                         main_window_set_menu_sensitive(mainwin);
 256                 }
 257
 258                 return inc_start(inc_dialog);
 259
 260         case A_LOCAL:
 261                 return inc_spool_account(account);
 262
 263         default:
 264                 break;
 265         }
 266         return 0;
 267 }
 268
 269 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 270 {
 271         gint new_msgs;
 272
 273         if (inc_lock_count) return 0;
 274
 275         if (prefs_common.work_offline &&
 276             !inc_offline_should_override(
 277                 _("Sylpheed-Claws needs network access in order "
 278                   "to get mails.")))
 279                 return 0;
 280
 281         inc_autocheck_timer_remove();
 282         main_window_lock(mainwin);
 283
 284         new_msgs = inc_account_mail_real(mainwin, account);
 285
 286         inc_finished(mainwin, new_msgs > 0);
 287         main_window_unlock(mainwin);
 288         inc_autocheck_timer_set();
 289
 290         return new_msgs;
 291 }
 292
 293 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 294                           gboolean notify)
 295 {
 296         GList *list, *queue_list = NULL;
 297         IncProgressDialog *inc_dialog;
 298         gint new_msgs = 0;
 299         gint account_new_msgs = 0;
 300
 301         if (prefs_common.work_offline &&
 302             !inc_offline_should_override(
 303                 _("Sylpheed-Claws needs network access in order "
 304                   "to get mails.")))
 305                 return;
 306
 307         if (inc_lock_count) return;
 308
 309         inc_autocheck_timer_remove();
 310         main_window_lock(mainwin);
 311
 312         list = account_get_list();
 313         if (!list) {
 314                 inc_finished(mainwin, new_msgs > 0);
 315                 main_window_unlock(mainwin);
 316                 inc_notify_cmd(new_msgs, notify);
 317                 inc_autocheck_timer_set();
 318                 return;
 319         }
 320
 321         /* check local folders */
 322         account_new_msgs = inc_all_spool();
 323         if (account_new_msgs > 0)
 324                 new_msgs += account_new_msgs;
 325
 326         /* check IMAP4 / News folders */
 327         for (list = account_get_list(); list != NULL; list = list->next) {
 328                 PrefsAccount *account = list->data;
 329                 if ((account->protocol == A_IMAP4 ||
 330                      account->protocol == A_NNTP) && account->recv_at_getall) {
 331                         new_msgs += folderview_check_new(FOLDER(account->folder));
 332                 }
 333         }
 334
 335         /* check POP3 accounts */
 336         for (list = account_get_list(); list != NULL; list = list->next) {
 337                 IncSession *session;
 338                 PrefsAccount *account = list->data;
 339
 340                 if (account->recv_at_getall) {
 341                         session = inc_session_new(account);
 342                         if (session)
 343                                 queue_list = g_list_append(queue_list, session);
 344                 }
 345         }
 346
 347         if (queue_list) {
 348                 inc_dialog = inc_progress_dialog_create(autocheck);
 349                 inc_dialog->queue_list = queue_list;
 350                 inc_dialog->mainwin = mainwin;
 351                 inc_progress_dialog_set_list(inc_dialog);
 352
 353                 toolbar_main_set_sensitive(mainwin);
 354                 main_window_set_menu_sensitive(mainwin);
 355                 new_msgs += inc_start(inc_dialog);
 356         }
 357
 358         inc_finished(mainwin, new_msgs > 0);
 359         main_window_unlock(mainwin);
 360         inc_notify_cmd(new_msgs, notify);
 361         inc_autocheck_timer_set();
 362 }
 363
 364 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 365 {
 366         IncProgressDialog *dialog;
 367         ProgressDialog *progress;
 368
 369         dialog = g_new0(IncProgressDialog, 1);
 370
 371         progress = progress_dialog_create();
 372         gtk_window_set_title(GTK_WINDOW(progress->window),
 373                              _("Retrieving new messages"));
 374         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 375                          G_CALLBACK(inc_cancel_cb), dialog);
 376         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 377                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 378         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 379
 380         progress_dialog_get_fraction(progress);
 381
 382         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 383                          &okpix);
 384         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 385                          &currentpix);
 386         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 387                          &errorpix);
 388
 389         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 390             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 391              !autocheck)) {
 392                 dialog->show_dialog = TRUE;
 393                 gtk_widget_show_now(progress->window);
 394         }
 395
 396         dialog->dialog = progress;
 397         g_get_current_time(&dialog->progress_tv);
 398         g_get_current_time(&dialog->folder_tv);
 399         dialog->queue_list = NULL;
 400         dialog->cur_row = 0;
 401
 402         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 403
 404         return dialog;
 405 }
 406
 407 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 408 {
 409         GList *list;
 410
 411         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 412                 IncSession *session = list->data;
 413                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 414
 415                 session->data = inc_dialog;
 416
 417                 progress_dialog_list_set(inc_dialog->dialog,
 418                                          -1, NULL,
 419                                          pop3_session->ac_prefs->account_name,
 420                                          _("Standby"));
 421         }
 422 }
 423
 424 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 425 {
 426         progress_dialog_get_fraction(inc_dialog->dialog);
 427         progress_dialog_set_label(inc_dialog->dialog, "");
 428         if (inc_dialog->mainwin)
 429                 main_window_progress_off(inc_dialog->mainwin);
 430 }
 431
 432 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 433 {
 434         g_return_if_fail(inc_dialog != NULL);
 435
 436         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 437
 438         if (inc_dialog->mainwin)
 439                 main_window_progress_off(inc_dialog->mainwin);
 440         progress_dialog_destroy(inc_dialog->dialog);
 441
 442         g_free(inc_dialog);
 443 }
 444
 445 static IncSession *inc_session_new(PrefsAccount *account)
 446 {
 447         IncSession *session;
 448
 449         g_return_val_if_fail(account != NULL, NULL);
 450
 451         if (account->protocol != A_POP3)
 452                 return NULL;
 453         if (!account->recv_server || !account->userid)
 454                 return NULL;
 455
 456         session = g_new0(IncSession, 1);
 457
 458         session->session = pop3_session_new(account);
 459         session->session->data = session;
 460         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 461         session_set_recv_message_notify(session->session,
 462                                         inc_recv_message, session);
 463         session_set_recv_data_progressive_notify(session->session,
 464                                                  inc_recv_data_progressive,
 465                                                  session);
 466         session_set_recv_data_notify(session->session,
 467                                      inc_recv_data_finished, session);
 468
 469         return session;
 470 }
 471
 472 static void inc_session_destroy(IncSession *session)
 473 {
 474         g_return_if_fail(session != NULL);
 475
 476         session_destroy(session->session);
 477         g_free(session);
 478 }
 479
 480 static gint inc_start(IncProgressDialog *inc_dialog)
 481 {
 482         IncSession *session;
 483         GList *qlist;
 484         Pop3Session *pop3_session;
 485         IncState inc_state;
 486         gint error_num = 0;
 487         gint new_msgs = 0;
 488         gchar *msg;
 489         gchar *fin_msg;
 490         FolderItem *processing, *inbox;
 491         MsgInfo *msginfo;
 492         GSList *msglist, *msglist_element;
 493         gboolean cancelled = FALSE;
 494
 495         qlist = inc_dialog->queue_list;
 496         while (qlist != NULL) {
 497                 GList *next = qlist->next;
 498
 499                 session = qlist->data;
 500                 pop3_session = POP3_SESSION(session->session);
 501                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 502                 if (pop3_session->ac_prefs->passwd)
 503                         pop3_session->pass =
 504                                 g_strdup(pop3_session->ac_prefs->passwd);
 505                 else if (pop3_session->ac_prefs->tmp_pass)
 506                         pop3_session->pass =
 507                                 g_strdup(pop3_session->ac_prefs->tmp_pass);
 508                 else {
 509                         gchar *pass;
 510
 511                         if (inc_dialog->show_dialog)
 512                                 manage_window_focus_in
 513                                         (inc_dialog->dialog->window,
 514                                          NULL, NULL);
 515
 516                         pass = input_dialog_query_password
 517                                 (pop3_session->ac_prefs->recv_server,
 518                                  pop3_session->user);
 519
 520                         if (inc_dialog->show_dialog)
 521                                 manage_window_focus_out
 522                                         (inc_dialog->dialog->window,
 523                                          NULL, NULL);
 524
 525                         if (pass) {
 526                                 pop3_session->ac_prefs->tmp_pass =
 527                                         g_strdup(pass);
 528                                 pop3_session->pass = pass;
 529                         }
 530                 }
 531
 532                 qlist = next;
 533         }
 534
 535 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 536 {                                                                          \
 537         progress_dialog_list_set(inc_dialog->dialog,                       \
 538                                  inc_dialog->cur_row,                      \
 539                                  pix,                                      \
 540                                  NULL,                                     \
 541                                  str);                                     \
 542 }
 543
 544         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 545                 int cur = 1, total = 0;
 546                 session = inc_dialog->queue_list->data;
 547                 pop3_session = POP3_SESSION(session->session);
 548
 549                 if (pop3_session->pass == NULL) {
 550                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 551                         inc_session_destroy(session);
 552                         inc_dialog->queue_list =
 553                                 g_list_remove(inc_dialog->queue_list, session);
 554                         continue;
 555                 }
 556
 557                 inc_progress_dialog_clear(inc_dialog);
 558                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 559                                               inc_dialog->cur_row);
 560
 561                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 562
 563                 /* begin POP3 session */
 564                 inc_state = inc_pop3_session_do(session);
 565
 566                 switch (inc_state) {
 567                 case INC_SUCCESS:
 568                         if (pop3_session->cur_total_num > 0)
 569                                 msg = g_strdup_printf(
 570                                         ngettext("Done (%d message (%s) received)",
 571                                                  "Done (%d messages (%s) received)",
 572                                          pop3_session->cur_total_num),
 573                                          pop3_session->cur_total_num,
 574                                          to_human_readable(pop3_session->cur_total_recv_bytes));
 575                         else
 576                                 msg = g_strdup_printf(_("Done (no new messages)"));
 577                         SET_PIXMAP_AND_TEXT(okpix, msg);
 578                         g_free(msg);
 579                         break;
 580                 case INC_CONNECT_ERROR:
 581                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 582                         break;
 583                 case INC_AUTH_FAILED:
 584                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 585                         break;
 586                 case INC_LOCKED:
 587                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 588                         break;
 589                 case INC_ERROR:
 590                 case INC_NO_SPACE:
 591                 case INC_IO_ERROR:
 592                 case INC_SOCKET_ERROR:
 593                 case INC_EOF:
 594                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 595                         break;
 596                 case INC_TIMEOUT:
 597                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 598                         break;
 599                 case INC_CANCEL:
 600                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 601                         if (!inc_dialog->show_dialog)
 602                                 cancelled = TRUE;
 603                         break;
 604                 default:
 605                         break;
 606                 }
 607
 608                 if (pop3_session->error_val == PS_AUTHFAIL) {
 609                         if(!prefs_common.no_recv_err_panel) {
 610                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 611                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 612                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 613                         }
 614                 }
 615
 616                 /* CLAWS: perform filtering actions on dropped message */
 617                 /* CLAWS: get default inbox (perhaps per account) */
 618                 if (pop3_session->ac_prefs->inbox) {
 619                         /* CLAWS: get destination folder / mailbox */
 620                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 621                         if (!inbox)
 622                                 inbox = folder_get_default_inbox();
 623                 } else
 624                         inbox = folder_get_default_inbox();
 625
 626                 /* get list of messages in processing */
 627                 processing = folder_get_default_processing();
 628                 folder_item_scan(processing);
 629                 msglist = folder_item_get_msg_list(processing);
 630
 631                 /* process messages */
 632                 folder_item_update_freeze();
 633                 if (pop3_session->ac_prefs->filter_on_recv)
 634                         statusbar_print_all(_("Filtering messages...\n"));
 635                 total = g_slist_length(msglist);
 636
 637                 for(msglist_element = msglist; msglist_element != NULL;
 638                     msglist_element = msglist_element->next) {
 639                         gchar *filename;
 640                         msginfo = (MsgInfo *) msglist_element->data;
 641                         filename = folder_item_fetch_msg(processing, msginfo->msgnum);
 642                         g_free(filename);
 643
 644                         if (pop3_session->ac_prefs->filter_on_recv)
 645                                 statusbar_progress_all(cur++,total, prefs_common.statusbar_update_step);
 646
 647                         if (!pop3_session->ac_prefs->filter_on_recv ||
 648                             !procmsg_msginfo_filter(msginfo))
 649                                 folder_item_move_msg(inbox, msginfo);
 650                 }
 651                 filtering_move_and_copy_msgs(msglist);
 652                 for(msglist_element = msglist; msglist_element != NULL;
 653                     msglist_element = msglist_element->next) {
 654                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 655                         procmsg_msginfo_free(msginfo);
 656                 }
 657                 folder_item_update_thaw();
 658
 659                 statusbar_progress_all(0,0,0);
 660                 statusbar_pop_all();
 661
 662                 g_slist_free(msglist);
 663
 664                 statusbar_pop_all();
 665
 666                 new_msgs += pop3_session->cur_total_num;
 667
 668                 if (pop3_session->error_val == PS_AUTHFAIL &&
 669                     pop3_session->ac_prefs->tmp_pass) {
 670                         g_free(pop3_session->ac_prefs->tmp_pass);
 671                         pop3_session->ac_prefs->tmp_pass = NULL;
 672                 }
 673
 674                 pop3_write_uidl_list(pop3_session);
 675
 676                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 677                         error_num++;
 678                         if (inc_dialog->show_dialog)
 679                                 manage_window_focus_in
 680                                         (inc_dialog->dialog->window,
 681                                          NULL, NULL);
 682                         inc_put_error(inc_state, pop3_session);
 683                         if (inc_dialog->show_dialog)
 684                                 manage_window_focus_out
 685                                         (inc_dialog->dialog->window,
 686                                          NULL, NULL);
 687                         if (inc_state == INC_NO_SPACE ||
 688                             inc_state == INC_IO_ERROR)
 689                                 break;
 690                 }
 691                 folder_item_free_cache(processing, TRUE);
 692
 693                 inc_session_destroy(session);
 694                 inc_dialog->queue_list =
 695                         g_list_remove(inc_dialog->queue_list, session);
 696         }
 697
 698 #undef SET_PIXMAP_AND_TEXT
 699
 700         if (new_msgs > 0)
 701                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 702                                                    "Finished (%d new messages)",
 703                                                    new_msgs), new_msgs);
 704         else
 705                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 706
 707         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 708
 709         while (inc_dialog->queue_list != NULL) {
 710                 session = inc_dialog->queue_list->data;
 711                 inc_session_destroy(session);
 712                 inc_dialog->queue_list =
 713                         g_list_remove(inc_dialog->queue_list, session);
 714         }
 715
 716         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 717                 inc_progress_dialog_destroy(inc_dialog);
 718         else {
 719                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 720                                      fin_msg);
 721                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 722                                      GTK_STOCK_CLOSE);
 723         }
 724
 725         g_free(fin_msg);
 726
 727         return new_msgs;
 728 }
 729
 730 static IncState inc_pop3_session_do(IncSession *session)
 731 {
 732         Pop3Session *pop3_session = POP3_SESSION(session->session);
 733         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 734         gchar *server;
 735         gushort port;
 736         gchar *buf;
 737
 738         debug_print("getting new messages of account %s...\n",
 739                     pop3_session->ac_prefs->account_name);
 740
 741         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 742
 743         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 744                               pop3_session->ac_prefs->recv_server);
 745         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 746         g_free(buf);
 747
 748         server = pop3_session->ac_prefs->recv_server;
 749 #if USE_OPENSSL
 750         port = pop3_session->ac_prefs->set_popport ?
 751                 pop3_session->ac_prefs->popport :
 752                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 753         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 754         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 755                 SESSION(pop3_session)->nonblocking =
 756                         pop3_session->ac_prefs->use_nonblocking_ssl;
 757 #else
 758         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 759                 if (alertpanel_full(_("Insecure connection"),
 760                         _("This connection is configured to be secured "
 761                           "using SSL, but SSL is not available in this "
 762                           "build of Sylpheed-Claws. \n\n"
 763                           "Do you want to continue connecting to this "
 764                           "server? The communication would not be "
 765                           "secure."),
 766                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 767                           NULL, FALSE, NULL, ALERT_WARNING,
 768                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 769                         return INC_CANCEL;
 770         }
 771         port = pop3_session->ac_prefs->set_popport ?
 772                 pop3_session->ac_prefs->popport : 110;
 773 #endif
 774
 775         buf = g_strdup_printf(_("Connecting to POP3 server: %s..."), server);
 776         statusbar_print_all("%s", buf);
 777         log_message("%s\n", buf);
 778
 779         progress_dialog_set_label(inc_dialog->dialog, buf);
 780         GTK_EVENTS_FLUSH();
 781         g_free(buf);
 782
 783         session_set_timeout(SESSION(pop3_session),
 784                             prefs_common.io_timeout_secs * 1000);
 785
 786         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 787                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 788                             server, port);
 789                 if(!prefs_common.no_recv_err_panel) {
 790                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 791                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 792                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 793                         }
 794                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 795                                          server, port);
 796                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 797                 }
 798                 session->inc_state = INC_CONNECT_ERROR;
 799                 statusbar_pop_all();
 800                 return INC_CONNECT_ERROR;
 801         }
 802
 803         while (session_is_connected(SESSION(pop3_session)) &&
 804                session->inc_state != INC_CANCEL)
 805                 gtk_main_iteration();
 806
 807         if (session->inc_state == INC_SUCCESS) {
 808                 switch (pop3_session->error_val) {
 809                 case PS_SUCCESS:
 810                         switch (SESSION(pop3_session)->state) {
 811                         case SESSION_ERROR:
 812                                 if (pop3_session->state == POP3_READY)
 813                                         session->inc_state = INC_CONNECT_ERROR;
 814                                 else
 815                                         session->inc_state = INC_ERROR;
 816                                 break;
 817                         case SESSION_EOF:
 818                                 session->inc_state = INC_EOF;
 819                                 break;
 820                         case SESSION_TIMEOUT:
 821                                 session->inc_state = INC_TIMEOUT;
 822                                 break;
 823                         default:
 824                                 session->inc_state = INC_SUCCESS;
 825                                 break;
 826                         }
 827                         break;
 828                 case PS_AUTHFAIL:
 829                         session->inc_state = INC_AUTH_FAILED;
 830                         break;
 831                 case PS_IOERR:
 832                         session->inc_state = INC_IO_ERROR;
 833                         break;
 834                 case PS_SOCKET:
 835                         session->inc_state = INC_SOCKET_ERROR;
 836                         break;
 837                 case PS_LOCKBUSY:
 838                         session->inc_state = INC_LOCKED;
 839                         break;
 840                 default:
 841                         session->inc_state = INC_ERROR;
 842                         break;
 843                 }
 844         }
 845
 846         session_disconnect(SESSION(pop3_session));
 847         statusbar_pop_all();
 848
 849         return session->inc_state;
 850 }
 851
 852 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 853                                        IncSession *inc_session)
 854 {
 855         inc_progress_dialog_set_label(inc_dialog, inc_session);
 856         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 857 }
 858
 859 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 860                                           IncSession *inc_session)
 861 {
 862         ProgressDialog *dialog = inc_dialog->dialog;
 863         Pop3Session *session;
 864
 865         g_return_if_fail(inc_session != NULL);
 866
 867         session = POP3_SESSION(inc_session->session);
 868
 869         switch (session->state) {
 870         case POP3_GREETING:
 871                 break;
 872         case POP3_GETAUTH_USER:
 873         case POP3_GETAUTH_PASS:
 874         case POP3_GETAUTH_APOP:
 875                 progress_dialog_set_label(dialog, _("Authenticating..."));
 876                 statusbar_pop_all();
 877                 statusbar_print_all(_("Retrieving messages from %s (%s) ..."),
 878                                     SESSION(session)->server,
 879                                     session->ac_prefs->account_name);
 880                 break;
 881         case POP3_GETRANGE_STAT:
 882                 progress_dialog_set_label
 883                         (dialog, _("Getting the number of new messages (STAT)..."));
 884                 break;
 885         case POP3_GETRANGE_LAST:
 886                 progress_dialog_set_label
 887                         (dialog, _("Getting the number of new messages (LAST)..."));
 888                 break;
 889         case POP3_GETRANGE_UIDL:
 890                 progress_dialog_set_label
 891                         (dialog, _("Getting the number of new messages (UIDL)..."));
 892                 break;
 893         case POP3_GETSIZE_LIST:
 894                 progress_dialog_set_label
 895                         (dialog, _("Getting the size of messages (LIST)..."));
 896                 break;
 897         case POP3_RETR:
 898         case POP3_RETR_RECV:
 899         case POP3_DELETE:
 900                 break;
 901         case POP3_LOGOUT:
 902                 progress_dialog_set_label(dialog, _("Quitting"));
 903                 break;
 904         default:
 905                 break;
 906         }
 907 }
 908
 909 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 910                                              IncSession *inc_session)
 911 {
 912         gchar buf[MSGBUFSIZE];
 913         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 914         gchar *total_size_str;
 915         gint cur_total;
 916         gint total;
 917
 918         if (!pop3_session->new_msg_exist) return;
 919
 920         cur_total = inc_session->cur_total_bytes;
 921         total = pop3_session->total_bytes;
 922         if (pop3_session->state == POP3_RETR ||
 923             pop3_session->state == POP3_RETR_RECV ||
 924             pop3_session->state == POP3_DELETE) {
 925                 Xstrdup_a(total_size_str, to_human_readable(total), return);
 926                 g_snprintf(buf, sizeof(buf),
 927                            _("Retrieving message (%d / %d) (%s / %s)"),
 928                            pop3_session->cur_msg, pop3_session->count,
 929                            to_human_readable(cur_total), total_size_str);
 930                 progress_dialog_set_label(inc_dialog->dialog, buf);
 931         }
 932
 933         progress_dialog_set_fraction
 934                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 935
 936         g_snprintf(buf, sizeof(buf), "%d / %d",
 937                    pop3_session->cur_msg, pop3_session->count);
 938         gtk_progress_bar_set_text
 939                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), buf);
 940         gtk_progress_bar_set_fraction
 941                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 942                  (total == 0) ? 0 : (gfloat)cur_total / (gfloat)total);
 943
 944         if (pop3_session->cur_total_num > 0) {
 945                 g_snprintf(buf, sizeof(buf),
 946                            ngettext("Retrieving (%d message (%s) received)",
 947                                     "Retrieving (%d messages (%s) received)",
 948                                     pop3_session->cur_total_num),
 949                            pop3_session->cur_total_num,
 950                            to_human_readable
 951                            (pop3_session->cur_total_recv_bytes));
 952                 progress_dialog_list_set_status(inc_dialog->dialog,
 953                                                 inc_dialog->cur_row,
 954                                                 buf);
 955         }
 956 }
 957
 958 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
 959                                                 IncSession *inc_session)
 960 {
 961         GTimeVal tv_cur;
 962         GTimeVal tv_result;
 963         gint msec;
 964
 965         g_get_current_time(&tv_cur);
 966
 967         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
 968         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
 969         if (tv_result.tv_usec < 0) {
 970                 tv_result.tv_sec--;
 971                 tv_result.tv_usec += G_USEC_PER_SEC;
 972         }
 973
 974         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
 975         if (msec > PROGRESS_UPDATE_INTERVAL) {
 976                 inc_progress_dialog_update(inc_dialog, inc_session);
 977                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
 978                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
 979         }
 980 }
 981
 982 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 983                                       guint total_len, gpointer data)
 984 {
 985         IncSession *inc_session = (IncSession *)data;
 986         Pop3Session *pop3_session = POP3_SESSION(session);
 987         IncProgressDialog *inc_dialog;
 988         gint cur_total;
 989
 990         g_return_val_if_fail(inc_session != NULL, -1);
 991
 992         if (pop3_session->state != POP3_RETR &&
 993             pop3_session->state != POP3_RETR_RECV &&
 994             pop3_session->state != POP3_DELETE &&
 995             pop3_session->state != POP3_LOGOUT) return 0;
 996
 997         if (!pop3_session->new_msg_exist) return 0;
 998
 999         cur_total = pop3_session->cur_total_bytes + cur_len;
1000         if (cur_total > pop3_session->total_bytes)
1001                 cur_total = pop3_session->total_bytes;
1002         inc_session->cur_total_bytes = cur_total;
1003
1004         inc_dialog = (IncProgressDialog *)inc_session->data;
1005         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
1006
1007         return 0;
1008 }
1009
1010 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
1011 {
1012         IncSession *inc_session = (IncSession *)data;
1013         IncProgressDialog *inc_dialog;
1014
1015         g_return_val_if_fail(inc_session != NULL, -1);
1016
1017         inc_dialog = (IncProgressDialog *)inc_session->data;
1018
1019         inc_recv_data_progressive(session, 0, 0, inc_session);
1020
1021         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1022                 inc_progress_dialog_update(inc_dialog, inc_session);
1023         }
1024
1025         return 0;
1026 }
1027
1028 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1029 {
1030         IncSession *inc_session = (IncSession *)data;
1031         IncProgressDialog *inc_dialog;
1032
1033         g_return_val_if_fail(inc_session != NULL, -1);
1034
1035         inc_dialog = (IncProgressDialog *)inc_session->data;
1036
1037         switch (POP3_SESSION(session)->state) {
1038         case POP3_GETAUTH_USER:
1039         case POP3_GETAUTH_PASS:
1040         case POP3_GETAUTH_APOP:
1041         case POP3_GETRANGE_STAT:
1042         case POP3_GETRANGE_LAST:
1043         case POP3_GETRANGE_UIDL:
1044         case POP3_GETSIZE_LIST:
1045                 inc_progress_dialog_update(inc_dialog, inc_session);
1046                 break;
1047         case POP3_RETR:
1048                 inc_recv_data_progressive(session, 0, 0, inc_session);
1049                 break;
1050         case POP3_LOGOUT:
1051                 inc_progress_dialog_update(inc_dialog, inc_session);
1052                 break;
1053         default:
1054                 break;
1055         }
1056
1057         return 0;
1058 }
1059
1060 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1061 {
1062         FolderItem *inbox;
1063         FolderItem *dropfolder;
1064         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1065         gint msgnum;
1066
1067         g_return_val_if_fail(inc_session != NULL, -1);
1068
1069         if (session->ac_prefs->inbox) {
1070                 inbox = folder_find_item_from_identifier
1071                         (session->ac_prefs->inbox);
1072                 if (!inbox)
1073                         inbox = folder_get_default_inbox();
1074         } else
1075                 inbox = folder_get_default_inbox();
1076         if (!inbox) {
1077                 g_unlink(file);
1078                 return -1;
1079         }
1080
1081         /* CLAWS: claws uses a global .processing folder for the filtering. */
1082         dropfolder = folder_get_default_processing();
1083
1084         /* add msg file to drop folder */
1085         if ((msgnum = folder_item_add_msg(
1086                         dropfolder, file, NULL, TRUE)) < 0) {
1087                 g_unlink(file);
1088                 return -1;
1089         }
1090
1091         return 0;
1092 }
1093
1094 static void inc_put_error(IncState istate, Pop3Session *session)
1095 {
1096         gchar *log_msg = NULL;
1097         gchar *err_msg = NULL;
1098         gboolean fatal_error = FALSE;
1099
1100         switch (istate) {
1101         case INC_CONNECT_ERROR:
1102                 log_msg = _("Connection failed.");
1103                 if (prefs_common.no_recv_err_panel)
1104                         break;
1105                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1106                                           SESSION(session)->server,
1107                                           SESSION(session)->port);
1108                 break;
1109         case INC_ERROR:
1110                 log_msg = _("Error occurred while processing mail.");
1111                 if (prefs_common.no_recv_err_panel)
1112                         break;
1113                 if (session->error_msg)
1114                         err_msg = g_strdup_printf
1115                                 (_("Error occurred while processing mail:\n%s"),
1116                                  session->error_msg);
1117                 else
1118                         err_msg = g_strdup(log_msg);
1119                 break;
1120         case INC_NO_SPACE:
1121                 log_msg = _("No disk space left.");
1122                 err_msg = g_strdup(log_msg);
1123                 fatal_error = TRUE;
1124                 break;
1125         case INC_IO_ERROR:
1126                 log_msg = _("Can't write file.");
1127                 err_msg = g_strdup(log_msg);
1128                 fatal_error = TRUE;
1129                 break;
1130         case INC_SOCKET_ERROR:
1131                 log_msg = _("Socket error.");
1132                 if (prefs_common.no_recv_err_panel)
1133                         break;
1134                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1135                                           SESSION(session)->server,
1136                                           SESSION(session)->port);
1137                 break;
1138         case INC_EOF:
1139                 log_msg = _("Connection closed by the remote host.");
1140                 if (prefs_common.no_recv_err_panel)
1141                         break;
1142                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1143                                           SESSION(session)->server,
1144                                           SESSION(session)->port);
1145                 break;
1146         case INC_LOCKED:
1147                 log_msg = _("Mailbox is locked.");
1148                 if (prefs_common.no_recv_err_panel)
1149                         break;
1150                 if (session->error_msg)
1151                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1152                                                   session->error_msg);
1153                 else
1154                         err_msg = g_strdup(log_msg);
1155                 break;
1156         case INC_AUTH_FAILED:
1157                 log_msg = _("Authentication failed.");
1158                 if (prefs_common.no_recv_err_panel)
1159                         break;
1160                 if (session->error_msg)
1161                         err_msg = g_strdup_printf
1162                                 (_("Authentication failed:\n%s"), session->error_msg);
1163                 else
1164                         err_msg = g_strdup(log_msg);
1165                 break;
1166         case INC_TIMEOUT:
1167                 log_msg = _("Session timed out.");
1168                 if (prefs_common.no_recv_err_panel)
1169                         break;
1170                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1171                                           SESSION(session)->server,
1172                                           SESSION(session)->port);
1173                 break;
1174         default:
1175                 break;
1176         }
1177
1178         if (log_msg) {
1179                 if (fatal_error)
1180                         log_error("%s\n", log_msg);
1181                 else
1182                         log_warning("%s\n", log_msg);
1183         }
1184         if (err_msg) {
1185                 alertpanel_error_log(err_msg);
1186                 g_free(err_msg);
1187         }
1188 }
1189
1190 static void inc_cancel(IncProgressDialog *dialog)
1191 {
1192         IncSession *session;
1193
1194         g_return_if_fail(dialog != NULL);
1195
1196         if (dialog->queue_list == NULL) {
1197                 inc_progress_dialog_destroy(dialog);
1198                 return;
1199         }
1200
1201         session = dialog->queue_list->data;
1202
1203         session->inc_state = INC_CANCEL;
1204
1205         log_message(_("Incorporation cancelled\n"));
1206 }
1207
1208 gboolean inc_is_active(void)
1209 {
1210         return (inc_dialog_list != NULL);
1211 }
1212
1213 void inc_cancel_all(void)
1214 {
1215         GList *cur;
1216
1217         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1218                 inc_cancel((IncProgressDialog *)cur->data);
1219 }
1220
1221 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1222 {
1223         inc_cancel((IncProgressDialog *)data);
1224 }
1225
1226 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1227                                  gpointer data)
1228 {
1229         IncProgressDialog *dialog = (IncProgressDialog *)data;
1230
1231         if (dialog->queue_list == NULL)
1232                 inc_progress_dialog_destroy(dialog);
1233
1234         return TRUE;
1235 }
1236
1237 static gint inc_spool_account(PrefsAccount *account)
1238 {
1239         FolderItem *inbox;
1240         gchar *mbox;
1241         gint result;
1242
1243         if (account->local_inbox) {
1244                 inbox = folder_find_item_from_identifier(account->local_inbox);
1245                 if (!inbox)
1246                         inbox = folder_get_default_inbox();
1247         } else
1248                 inbox = folder_get_default_inbox();
1249
1250         if (is_file_exist(account->local_mbox))
1251                 mbox = g_strdup(account->local_mbox);
1252         else if (is_dir_exist(account->local_mbox))
1253                 mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1254                                    g_get_user_name(), NULL);
1255         else {
1256                 debug_print("%s: local mailbox not found.\n",
1257                             account->local_mbox);
1258                 return -1;
1259         }
1260
1261         result = get_spool(inbox, mbox);
1262         g_free(mbox);
1263
1264         statusbar_pop_all();
1265
1266         return result;
1267 }
1268
1269 static gint inc_all_spool(void)
1270 {
1271         GList *list = NULL;
1272         gint new_msgs = 0;
1273         gint account_new_msgs = 0;
1274
1275         list = account_get_list();
1276         if (!list) return 0;
1277
1278         for (; list != NULL; list = list->next) {
1279                 PrefsAccount *account = list->data;
1280
1281                 if ((account->protocol == A_LOCAL) &&
1282                     (account->recv_at_getall)) {
1283                         account_new_msgs = inc_spool_account(account);
1284                         if (account_new_msgs > 0)
1285                                 new_msgs += account_new_msgs;
1286                 }
1287         }
1288
1289         return new_msgs;
1290 }
1291
1292 static gint get_spool(FolderItem *dest, const gchar *mbox)
1293 {
1294         gint msgs, size;
1295         gint lockfd;
1296         gchar tmp_mbox[MAXPATHLEN + 1];
1297
1298         g_return_val_if_fail(dest != NULL, -1);
1299         g_return_val_if_fail(mbox != NULL, -1);
1300
1301         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1302                 debug_print("%s: no messages in local mailbox.\n", mbox);
1303                 return 0;
1304         } else if (size < 0)
1305                 return -1;
1306
1307         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1308                 return -1;
1309
1310         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1311                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1312
1313         if (copy_mbox(mbox, tmp_mbox) < 0) {
1314                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1315                 return -1;
1316         }
1317
1318         debug_print("Getting new messages from %s into %s...\n",
1319                     mbox, dest->path);
1320
1321         msgs = proc_mbox(dest, tmp_mbox, TRUE);
1322
1323         g_unlink(tmp_mbox);
1324         if (msgs >= 0) empty_mbox(mbox);
1325         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1326
1327         return msgs;
1328 }
1329
1330 void inc_lock(void)
1331 {
1332         inc_lock_count++;
1333 }
1334
1335 void inc_unlock(void)
1336 {
1337         if (inc_lock_count > 0)
1338                 inc_lock_count--;
1339 }
1340
1341 static guint autocheck_timer = 0;
1342 static gpointer autocheck_data = NULL;
1343
1344 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1345 {
1346
1347         gchar *buf, *numpos, *ret_str;
1348         gssize by_read = 0, by_written = 0;
1349
1350         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1351             *prefs_common.newmail_notify_cmd))
1352                      return;
1353         buf = g_strdup(prefs_common.newmail_notify_cmd);
1354         if ((numpos = strstr(buf, "%d")) != NULL) {
1355                 gchar *buf2;
1356
1357                 *numpos = '\0';
1358                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1359                 g_free(buf);
1360                 buf = buf2;
1361         }
1362
1363         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1364                                      NULL);
1365         if (ret_str && by_written) {
1366                 g_free(buf);
1367                 buf = ret_str;
1368         }
1369         debug_print("executing new mail notification command: %s\n", buf);
1370         execute_command_line(buf, TRUE);
1371
1372         g_free(buf);
1373 }
1374
1375 void inc_autocheck_timer_init(MainWindow *mainwin)
1376 {
1377         autocheck_data = mainwin;
1378         inc_autocheck_timer_set();
1379 }
1380
1381 static void inc_autocheck_timer_set_interval(guint interval)
1382 {
1383         inc_autocheck_timer_remove();
1384         /* last test is to avoid re-enabling auto_check after modifying
1385            the common preferences */
1386         if (prefs_common.autochk_newmail && autocheck_data
1387             && prefs_common.work_offline == FALSE) {
1388                 autocheck_timer = gtk_timeout_add
1389                         (interval, inc_autocheck_func, autocheck_data);
1390                 debug_print("added timer = %d\n", autocheck_timer);
1391         }
1392 }
1393
1394 void inc_autocheck_timer_set(void)
1395 {
1396         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1397 }
1398
1399 void inc_autocheck_timer_remove(void)
1400 {
1401         if (autocheck_timer) {
1402                 debug_print("removed timer = %d\n", autocheck_timer);
1403                 gtk_timeout_remove(autocheck_timer);
1404                 autocheck_timer = 0;
1405         }
1406 }
1407
1408 static gint inc_autocheck_func(gpointer data)
1409 {
1410         MainWindow *mainwin = (MainWindow *)data;
1411
1412         if (inc_lock_count) {
1413                 debug_print("autocheck is locked.\n");
1414                 inc_autocheck_timer_set_interval(1000);
1415                 return FALSE;
1416         }
1417
1418         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1419
1420         return FALSE;
1421 }
1422
1423 gboolean inc_offline_should_override(const gchar *msg)
1424 {
1425         static time_t overridden_yes = 0;
1426         static time_t overridden_no  = 0;
1427         int length = 10; /* minutes */
1428         gint answer = G_ALERTDEFAULT;
1429
1430         if (prefs_common.autochk_newmail)
1431                 length = prefs_common.autochk_itv; /* minutes */
1432
1433         if (prefs_common.work_offline) {
1434                 gchar *tmp = NULL;
1435
1436                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1437                          return TRUE;
1438                 else if (time(NULL) - overridden_no < 3) /* seconds */
1439                          return FALSE;
1440
1441                 tmp = g_strdup_printf(
1442                                 _("%s%sYou're working offline. Override for %d minutes?"),
1443                                 msg?msg:"",
1444                                 msg?"\n\n":"",
1445                                 length);
1446
1447                 answer = alertpanel(_("Offline warning"),
1448                                tmp,
1449                                GTK_STOCK_NO, "+" GTK_STOCK_YES, _("On_ly once"));
1450                 g_free(tmp);
1451                 if (answer == G_ALERTALTERNATE) {
1452                         overridden_yes = time(NULL);
1453                         return TRUE;
1454                 } else if (answer == G_ALERTDEFAULT) {
1455                         overridden_no  = time(NULL);
1456                         return FALSE;
1457                 } else {
1458                         overridden_yes = (time_t)0;
1459                         overridden_no  = (time_t)0;
1460                         return TRUE;
1461                 }
1462         }
1463         return TRUE;
1464 }