src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <stdio.h>
  30 #include <unistd.h>
  31 #include <string.h>
  32
  33 #include "main.h"
  34 #include "inc.h"
  35 #include "mainwindow.h"
  36 #include "folderview.h"
  37 #include "summaryview.h"
  38 #include "prefs_common.h"
  39 #include "prefs_account.h"
  40 #include "account.h"
  41 #include "procmsg.h"
  42 #include "socket.h"
  43 #include "ssl.h"
  44 #include "pop.h"
  45 #include "recv.h"
  46 #include "mbox.h"
  47 #include "utils.h"
  48 #include "gtkutils.h"
  49 #include "statusbar.h"
  50 #include "msgcache.h"
  51 #include "manage_window.h"
  52 #include "stock_pixmap.h"
  53 #include "progressdialog.h"
  54 #include "inputdialog.h"
  55 #include "alertpanel.h"
  56 #include "folder.h"
  57 #include "filtering.h"
  58 #include "log.h"
  59 #include "hooks.h"
  60
  61 #ifdef MAEMO
  62 #ifdef CHINOOK
  63 #include <hildon/hildon-banner.h>
  64 #include <hildon/hildon-sound.h>
  65 #else
  66 #include <hildon-widgets/hildon-banner.h>
  67 #include <hildon-widgets/hildon-system-sound.h>
  68 #endif
  69 #include <libosso.h>
  70
  71 #ifdef CONIC
  72 #include <conicconnection.h>
  73 #include <conicconnectionevent.h>
  74
  75 static ConIcConnection *maemo_connection = NULL;
  76 static gboolean maemo_warned_offline = FALSE;
  77 #endif
  78 #endif
  79
  80 static GList *inc_dialog_list = NULL;
  81
  82 guint inc_lock_count = 0;
  83
  84 static GdkPixbuf *currentpix;
  85 static GdkPixbuf *errorpix;
  86 static GdkPixbuf *okpix;
  87
  88 #define MSGBUFSIZE      8192
  89
  90 static void inc_finished                (MainWindow             *mainwin,
  91                                          gboolean                new_messages,
  92                                          gboolean                autocheck);
  93 static gint inc_account_mail_real       (MainWindow             *mainwin,
  94                                          PrefsAccount           *account);
  95
  96 static IncProgressDialog *inc_progress_dialog_create
  97                                         (gboolean                autocheck);
  98 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  99 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
 100
 101 static IncSession *inc_session_new      (PrefsAccount           *account);
 102 static void inc_session_destroy         (IncSession             *session);
 103 static gint inc_start                   (IncProgressDialog      *inc_dialog);
 104 static IncState inc_pop3_session_do     (IncSession             *session);
 105
 106 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
 107                                          IncSession             *inc_session);
 108
 109 static void inc_progress_dialog_set_label
 110                                         (IncProgressDialog      *inc_dialog,
 111                                          IncSession             *inc_session);
 112 static void inc_progress_dialog_set_progress
 113                                         (IncProgressDialog      *inc_dialog,
 114                                          IncSession             *inc_session);
 115
 116 static void inc_progress_dialog_update_periodic
 117                                         (IncProgressDialog      *inc_dialog,
 118                                          IncSession             *inc_session);
 119
 120 static gint inc_recv_data_progressive   (Session        *session,
 121                                          guint           cur_len,
 122                                          guint           total_len,
 123                                          gpointer        data);
 124 static gint inc_recv_data_finished      (Session        *session,
 125                                          guint           len,
 126                                          gpointer        data);
 127 static gint inc_recv_message            (Session        *session,
 128                                          const gchar    *msg,
 129                                          gpointer        data);
 130 static gint inc_drop_message            (Pop3Session    *session,
 131                                          const gchar    *file);
 132
 133 static void inc_put_error               (IncState        istate,
 134                                          Pop3Session    *session);
 135
 136 static void inc_cancel_cb               (GtkWidget      *widget,
 137                                          gpointer        data);
 138 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 139                                          GdkEventAny    *event,
 140                                          gpointer        data);
 141
 142 static gint get_spool                   (FolderItem     *dest,
 143                                          const gchar    *mbox,
 144                                          PrefsAccount   *account);
 145
 146 static gint inc_spool_account(PrefsAccount *account);
 147 static gint inc_all_spool(void);
 148 static void inc_autocheck_timer_set_interval    (guint           interval);
 149 static gint inc_autocheck_func                  (gpointer        data);
 150
 151 static void inc_notify_cmd              (gint new_msgs,
 152                                          gboolean notify);
 153
 154 /**
 155  * inc_finished:
 156  * @mainwin: Main window.
 157  * @new_messages: TRUE if some messages have been received.
 158  *
 159  * Update the folder view and the summary view after receiving
 160  * messages.  If @new_messages is FALSE, this function avoids unneeded
 161  * updating.
 162  **/
 163 static void inc_finished(MainWindow *mainwin, gboolean new_messages, gboolean autocheck)
 164 {
 165         if (prefs_common.scan_all_after_inc)
 166                 folderview_check_new(NULL);
 167
 168         if (!autocheck && new_messages && prefs_common.open_inbox_on_inc) {
 169                 FolderItem *item = NULL;
 170
 171                 if (cur_account && cur_account->inbox)
 172                         item = folder_find_item_from_identifier(cur_account->inbox);
 173                 if (item == NULL && cur_account->folder)
 174                         item = cur_account->folder->inbox;
 175                 if (item == NULL)
 176                         item = folder_get_default_inbox();
 177
 178                 folderview_unselect(mainwin->folderview);
 179                 folderview_select(mainwin->folderview, item);
 180         }
 181 }
 182
 183 void inc_mail(MainWindow *mainwin, gboolean notify)
 184 {
 185         gint new_msgs = 0;
 186         gint account_new_msgs = 0;
 187
 188         if (inc_lock_count) return;
 189
 190         if (prefs_common.work_offline &&
 191             !inc_offline_should_override(TRUE,
 192                 _("Claws Mail needs network access in order "
 193                   "to get mails.")))
 194                 return;
 195
 196         inc_lock();
 197         inc_autocheck_timer_remove();
 198         main_window_lock(mainwin);
 199
 200         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 201                 /* external incorporating program */
 202                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 203                         main_window_unlock(mainwin);
 204                         inc_autocheck_timer_set();
 205                         inc_unlock();
 206                         return;
 207                 }
 208         } else {
 209                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 210                 if (account_new_msgs > 0)
 211                         new_msgs += account_new_msgs;
 212         }
 213
 214         inc_finished(mainwin, new_msgs > 0, FALSE);
 215         main_window_unlock(mainwin);
 216         inc_notify_cmd(new_msgs, notify);
 217         inc_autocheck_timer_set();
 218         inc_unlock();
 219 }
 220
 221 void inc_pop_before_smtp(PrefsAccount *acc)
 222 {
 223         IncProgressDialog *inc_dialog;
 224         IncSession *session;
 225         MainWindow *mainwin;
 226
 227         mainwin = mainwindow_get_mainwindow();
 228
 229         session = inc_session_new(acc);
 230         if (!session) return;
 231         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 232
 233         inc_dialog = inc_progress_dialog_create(FALSE);
 234         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 235                                                session);
 236         /* FIXME: assumes to attach to first main window */
 237         inc_dialog->mainwin = mainwin;
 238         inc_progress_dialog_set_list(inc_dialog);
 239
 240         if (mainwin) {
 241                 toolbar_main_set_sensitive(mainwin);
 242                 main_window_set_menu_sensitive(mainwin);
 243         }
 244
 245         inc_start(inc_dialog);
 246 }
 247
 248 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 249 {
 250         IncProgressDialog *inc_dialog;
 251         IncSession *session;
 252
 253         switch (account->protocol) {
 254         case A_IMAP4:
 255         case A_NNTP:
 256                 /* Melvin: bug [14]
 257                  * FIXME: it should return foldeview_check_new() value.
 258                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 259                  * an incorrect new message count)
 260                  */
 261                 folderview_check_new(FOLDER(account->folder));
 262                 return 0;
 263         case A_POP3:
 264         case A_APOP:
 265                 session = inc_session_new(account);
 266                 if (!session) return 0;
 267
 268                 inc_dialog = inc_progress_dialog_create(FALSE);
 269                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 270                                                        session);
 271                 inc_dialog->mainwin = mainwin;
 272                 inc_progress_dialog_set_list(inc_dialog);
 273
 274                 if (mainwin) {
 275                         toolbar_main_set_sensitive(mainwin);
 276                         main_window_set_menu_sensitive(mainwin);
 277                 }
 278
 279                 return inc_start(inc_dialog);
 280
 281         case A_LOCAL:
 282                 return inc_spool_account(account);
 283
 284         default:
 285                 break;
 286         }
 287         return 0;
 288 }
 289
 290 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 291 {
 292         gint new_msgs;
 293
 294         if (inc_lock_count) return 0;
 295
 296         if (prefs_common.work_offline &&
 297             !inc_offline_should_override(TRUE,
 298                 _("Claws Mail needs network access in order "
 299                   "to get mails.")))
 300                 return 0;
 301
 302         inc_autocheck_timer_remove();
 303         main_window_lock(mainwin);
 304
 305         new_msgs = inc_account_mail_real(mainwin, account);
 306
 307         inc_finished(mainwin, new_msgs > 0, FALSE);
 308         main_window_unlock(mainwin);
 309         inc_autocheck_timer_set();
 310
 311         return new_msgs;
 312 }
 313
 314 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 315                           gboolean notify)
 316 {
 317         GList *list, *queue_list = NULL;
 318         IncProgressDialog *inc_dialog;
 319         gint new_msgs = 0;
 320         gint account_new_msgs = 0;
 321
 322         if (prefs_common.work_offline &&
 323             !inc_offline_should_override( (autocheck == FALSE),
 324                 _("Claws Mail needs network access in order "
 325                   "to get mails.")))
 326                 return;
 327
 328         if (inc_lock_count) return;
 329
 330         inc_autocheck_timer_remove();
 331         main_window_lock(mainwin);
 332
 333         list = account_get_list();
 334         if (!list) {
 335                 inc_finished(mainwin, new_msgs > 0, autocheck);
 336                 main_window_unlock(mainwin);
 337                 inc_notify_cmd(new_msgs, notify);
 338                 inc_autocheck_timer_set();
 339                 return;
 340         }
 341
 342         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 343                 /* external incorporating program */
 344                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 345                         log_error(LOG_PROTOCOL, _("%s failed\n"), prefs_common.extinc_cmd);
 346
 347                         main_window_unlock(mainwin);
 348                         inc_autocheck_timer_set();
 349                         return;
 350                 }
 351         }
 352
 353         /* check local folders */
 354         account_new_msgs = inc_all_spool();
 355         if (account_new_msgs > 0)
 356                 new_msgs += account_new_msgs;
 357
 358         /* check IMAP4 / News folders */
 359         for (list = account_get_list(); list != NULL; list = list->next) {
 360                 PrefsAccount *account = list->data;
 361                 if ((account->protocol == A_IMAP4 ||
 362                      account->protocol == A_NNTP) && account->recv_at_getall) {
 363                         new_msgs += folderview_check_new(FOLDER(account->folder));
 364                 }
 365         }
 366
 367         /* check POP3 accounts */
 368         for (list = account_get_list(); list != NULL; list = list->next) {
 369                 IncSession *session;
 370                 PrefsAccount *account = list->data;
 371
 372                 if (account->recv_at_getall) {
 373                         session = inc_session_new(account);
 374                         if (session)
 375                                 queue_list = g_list_append(queue_list, session);
 376                 }
 377         }
 378
 379         if (queue_list) {
 380                 inc_dialog = inc_progress_dialog_create(autocheck);
 381                 inc_dialog->queue_list = queue_list;
 382                 inc_dialog->mainwin = mainwin;
 383                 inc_progress_dialog_set_list(inc_dialog);
 384
 385                 toolbar_main_set_sensitive(mainwin);
 386                 main_window_set_menu_sensitive(mainwin);
 387                 new_msgs += inc_start(inc_dialog);
 388         }
 389
 390         inc_finished(mainwin, new_msgs > 0, autocheck);
 391         main_window_unlock(mainwin);
 392         inc_notify_cmd(new_msgs, notify);
 393         inc_autocheck_timer_set();
 394 }
 395
 396 static void inc_progress_dialog_size_allocate_cb(GtkWidget *widget,
 397                                          GtkAllocation *allocation)
 398 {
 399         cm_return_if_fail(allocation != NULL);
 400
 401         prefs_common.receivewin_width = allocation->width;
 402         prefs_common.receivewin_height = allocation->height;
 403 }
 404
 405 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 406 {
 407         IncProgressDialog *dialog;
 408         ProgressDialog *progress;
 409         static GdkGeometry geometry;
 410
 411         dialog = g_new0(IncProgressDialog, 1);
 412
 413         progress = progress_dialog_create();
 414         gtk_window_set_title(GTK_WINDOW(progress->window),
 415                              _("Retrieving new messages"));
 416         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 417                          G_CALLBACK(inc_cancel_cb), dialog);
 418         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 419                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 420         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 421                          G_CALLBACK(inc_progress_dialog_size_allocate_cb), NULL);
 422         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 423
 424         progress_dialog_get_fraction(progress);
 425
 426         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 427                          &okpix);
 428         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 429                          &currentpix);
 430         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 431                          &errorpix);
 432
 433         if (!geometry.min_height) {
 434                 geometry.min_width = 460;
 435                 geometry.min_height = 250;
 436         }
 437
 438         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 439                                       GDK_HINT_MIN_SIZE);
 440         gtk_widget_set_size_request(progress->window, prefs_common.receivewin_width,
 441                                     prefs_common.receivewin_height);
 442
 443         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 444             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 445              !autocheck)) {
 446                 dialog->show_dialog = TRUE;
 447                 gtk_widget_show_now(progress->window);
 448         }
 449
 450         dialog->dialog = progress;
 451         g_get_current_time(&dialog->progress_tv);
 452         g_get_current_time(&dialog->folder_tv);
 453         dialog->queue_list = NULL;
 454         dialog->cur_row = 0;
 455
 456         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 457
 458         return dialog;
 459 }
 460
 461 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 462 {
 463         GList *list;
 464
 465         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 466                 IncSession *session = list->data;
 467                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 468
 469                 session->data = inc_dialog;
 470
 471                 progress_dialog_list_set(inc_dialog->dialog,
 472                                          -1, NULL,
 473                                          pop3_session->ac_prefs->account_name,
 474                                          _("Standby"));
 475         }
 476 }
 477
 478 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 479 {
 480         progress_dialog_get_fraction(inc_dialog->dialog);
 481         progress_dialog_set_label(inc_dialog->dialog, "");
 482         if (inc_dialog->mainwin)
 483                 main_window_progress_off(inc_dialog->mainwin);
 484 }
 485
 486 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 487 {
 488         cm_return_if_fail(inc_dialog != NULL);
 489
 490         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 491
 492         if (inc_dialog->mainwin)
 493                 main_window_progress_off(inc_dialog->mainwin);
 494         progress_dialog_destroy(inc_dialog->dialog);
 495
 496         g_free(inc_dialog);
 497 }
 498
 499 static IncSession *inc_session_new(PrefsAccount *account)
 500 {
 501         IncSession *session;
 502
 503         cm_return_val_if_fail(account != NULL, NULL);
 504
 505         if (account->protocol != A_POP3)
 506                 return NULL;
 507         if (!account->recv_server || !account->userid)
 508                 return NULL;
 509
 510         session = g_new0(IncSession, 1);
 511
 512         session->session = pop3_session_new(account);
 513         session->session->data = session;
 514         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 515         session_set_recv_message_notify(session->session,
 516                                         inc_recv_message, session);
 517         session_set_recv_data_progressive_notify(session->session,
 518                                                  inc_recv_data_progressive,
 519                                                  session);
 520         session_set_recv_data_notify(session->session,
 521                                      inc_recv_data_finished, session);
 522
 523         return session;
 524 }
 525
 526 static void inc_session_destroy(IncSession *session)
 527 {
 528         cm_return_if_fail(session != NULL);
 529
 530         session_destroy(session->session);
 531         g_free(session);
 532 }
 533
 534 static gint inc_start(IncProgressDialog *inc_dialog)
 535 {
 536         IncSession *session;
 537         GList *qlist;
 538         Pop3Session *pop3_session;
 539         IncState inc_state;
 540         gint error_num = 0;
 541         gint new_msgs = 0;
 542         gchar *msg;
 543         gchar *fin_msg;
 544         FolderItem *processing, *inbox;
 545         GSList *msglist, *msglist_element;
 546         gboolean cancelled = FALSE;
 547
 548         qlist = inc_dialog->queue_list;
 549         while (qlist != NULL) {
 550                 GList *next = qlist->next;
 551
 552                 session = qlist->data;
 553                 pop3_session = POP3_SESSION(session->session);
 554                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 555                 if (pop3_session->ac_prefs->passwd)
 556                         pop3_session->pass =
 557                                 g_strdup(pop3_session->ac_prefs->passwd);
 558                 else {
 559                         gchar *pass;
 560
 561                         if (inc_dialog->show_dialog)
 562                                 manage_window_focus_in
 563                                         (inc_dialog->dialog->window,
 564                                          NULL, NULL);
 565
 566                         pass = input_dialog_query_password_keep
 567                                 (pop3_session->ac_prefs->recv_server,
 568                                  pop3_session->user,
 569                                  &(pop3_session->ac_prefs->session_passwd));
 570
 571                         if (inc_dialog->show_dialog)
 572                                 manage_window_focus_out
 573                                         (inc_dialog->dialog->window,
 574                                          NULL, NULL);
 575
 576                         if (pass) {
 577                                 pop3_session->pass = pass;
 578                         }
 579                 }
 580
 581                 qlist = next;
 582         }
 583
 584 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 585 {                                                                          \
 586         progress_dialog_list_set(inc_dialog->dialog,                       \
 587                                  inc_dialog->cur_row,                      \
 588                                  pix,                                      \
 589                                  NULL,                                     \
 590                                  str);                                     \
 591 }
 592
 593         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 594                 session = inc_dialog->queue_list->data;
 595                 pop3_session = POP3_SESSION(session->session);
 596                 GSList *filtered, *unfiltered;
 597
 598                 if (pop3_session->pass == NULL) {
 599                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 600                         inc_session_destroy(session);
 601                         inc_dialog->queue_list =
 602                                 g_list_remove(inc_dialog->queue_list, session);
 603                         continue;
 604                 }
 605
 606                 inc_progress_dialog_clear(inc_dialog);
 607                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 608                                               inc_dialog->cur_row);
 609
 610                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 611
 612                 /* begin POP3 session */
 613                 inc_state = inc_pop3_session_do(session);
 614
 615                 switch (inc_state) {
 616                 case INC_SUCCESS:
 617                         if (pop3_session->cur_total_num > 0)
 618                                 msg = g_strdup_printf(
 619                                         ngettext("Done (%d message (%s) received)",
 620                                                  "Done (%d messages (%s) received)",
 621                                          pop3_session->cur_total_num),
 622                                          pop3_session->cur_total_num,
 623                                          to_human_readable((goffset)pop3_session->cur_total_recv_bytes));
 624                         else
 625                                 msg = g_strdup_printf(_("Done (no new messages)"));
 626                         SET_PIXMAP_AND_TEXT(okpix, msg);
 627                         g_free(msg);
 628                         break;
 629                 case INC_CONNECT_ERROR:
 630                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 631                         break;
 632                 case INC_AUTH_FAILED:
 633                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 634                         if (pop3_session->ac_prefs->session_passwd) {
 635                                 g_free(pop3_session->ac_prefs->session_passwd);
 636                                 pop3_session->ac_prefs->session_passwd = NULL;
 637                         }
 638                         break;
 639                 case INC_LOCKED:
 640                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 641                         break;
 642                 case INC_ERROR:
 643                 case INC_NO_SPACE:
 644                 case INC_IO_ERROR:
 645                 case INC_SOCKET_ERROR:
 646                 case INC_EOF:
 647                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 648                         break;
 649                 case INC_TIMEOUT:
 650                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 651                         break;
 652                 case INC_CANCEL:
 653                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 654                         if (!inc_dialog->show_dialog)
 655                                 cancelled = TRUE;
 656                         break;
 657                 default:
 658                         break;
 659                 }
 660
 661                 if (pop3_session->error_val == PS_AUTHFAIL) {
 662                         if(!prefs_common.no_recv_err_panel) {
 663                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 664                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 665                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 666                         }
 667                 }
 668
 669                 /* CLAWS: perform filtering actions on dropped message */
 670                 /* CLAWS: get default inbox (perhaps per account) */
 671                 if (pop3_session->ac_prefs->inbox) {
 672                         /* CLAWS: get destination folder / mailbox */
 673                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 674                         if (!inbox)
 675                                 inbox = folder_get_default_inbox();
 676                 } else
 677                         inbox = folder_get_default_inbox();
 678
 679                 /* get list of messages in processing */
 680                 processing = folder_get_default_processing();
 681                 folder_item_scan(processing);
 682                 msglist = folder_item_get_msg_list(processing);
 683
 684                 /* process messages */
 685                 folder_item_update_freeze();
 686
 687                 procmsg_msglist_filter(msglist, pop3_session->ac_prefs,
 688                                 &filtered, &unfiltered,
 689                                 pop3_session->ac_prefs->filter_on_recv);
 690
 691                 filtering_move_and_copy_msgs(msglist);
 692                 if (unfiltered != NULL)
 693                         folder_item_move_msgs(inbox, unfiltered);
 694
 695                 for(msglist_element = msglist; msglist_element != NULL;
 696                     msglist_element = msglist_element->next) {
 697                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 698                         procmsg_msginfo_free(msginfo);
 699                 }
 700                 folder_item_update_thaw();
 701
 702                 g_slist_free(msglist);
 703                 g_slist_free(filtered);
 704                 g_slist_free(unfiltered);
 705
 706                 statusbar_pop_all();
 707
 708                 new_msgs += pop3_session->cur_total_num;
 709
 710                 pop3_write_uidl_list(pop3_session);
 711
 712                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 713                         error_num++;
 714                         if (inc_dialog->show_dialog)
 715                                 manage_window_focus_in
 716                                         (inc_dialog->dialog->window,
 717                                          NULL, NULL);
 718                         inc_put_error(inc_state, pop3_session);
 719                         if (inc_dialog->show_dialog)
 720                                 manage_window_focus_out
 721                                         (inc_dialog->dialog->window,
 722                                          NULL, NULL);
 723                         if (inc_state == INC_NO_SPACE ||
 724                             inc_state == INC_IO_ERROR)
 725                                 break;
 726                 }
 727                 folder_item_free_cache(processing, TRUE);
 728
 729                 inc_session_destroy(session);
 730                 inc_dialog->queue_list =
 731                         g_list_remove(inc_dialog->queue_list, session);
 732         }
 733
 734 #undef SET_PIXMAP_AND_TEXT
 735
 736         if (new_msgs > 0)
 737                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 738                                                    "Finished (%d new messages)",
 739                                                    new_msgs), new_msgs);
 740         else
 741                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 742
 743         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 744
 745         while (inc_dialog->queue_list != NULL) {
 746                 session = inc_dialog->queue_list->data;
 747                 inc_session_destroy(session);
 748                 inc_dialog->queue_list =
 749                         g_list_remove(inc_dialog->queue_list, session);
 750         }
 751
 752         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 753                 inc_progress_dialog_destroy(inc_dialog);
 754         else {
 755                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 756                                      fin_msg);
 757                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 758                                      GTK_STOCK_CLOSE);
 759         }
 760
 761         g_free(fin_msg);
 762
 763         return new_msgs;
 764 }
 765
 766 static IncState inc_pop3_session_do(IncSession *session)
 767 {
 768         Pop3Session *pop3_session = POP3_SESSION(session->session);
 769         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 770         gchar *server;
 771         gushort port;
 772         gchar *buf;
 773
 774         debug_print("getting new messages of account %s...\n",
 775                     pop3_session->ac_prefs->account_name);
 776
 777         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 778
 779         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 780                               pop3_session->ac_prefs->recv_server);
 781         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 782         g_free(buf);
 783
 784         server = pop3_session->ac_prefs->recv_server;
 785 #ifdef USE_GNUTLS
 786         port = pop3_session->ac_prefs->set_popport ?
 787                 pop3_session->ac_prefs->popport :
 788                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 789         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 790         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 791                 SESSION(pop3_session)->nonblocking =
 792                         pop3_session->ac_prefs->use_nonblocking_ssl;
 793 #else
 794         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 795                 if (alertpanel_full(_("Insecure connection"),
 796                         _("This connection is configured to be secured "
 797                           "using SSL, but SSL is not available in this "
 798                           "build of Claws Mail. \n\n"
 799                           "Do you want to continue connecting to this "
 800                           "server? The communication would not be "
 801                           "secure."),
 802                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 803                           NULL, FALSE, NULL, ALERT_WARNING,
 804                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 805                         return INC_CANCEL;
 806         }
 807         port = pop3_session->ac_prefs->set_popport ?
 808                 pop3_session->ac_prefs->popport : 110;
 809 #endif
 810
 811         buf = g_strdup_printf(_("Connecting to POP3 server: %s..."), server);
 812         statuswindow_print_all("%s", buf);
 813         log_message(LOG_PROTOCOL, "%s\n", buf);
 814
 815         progress_dialog_set_label(inc_dialog->dialog, buf);
 816         GTK_EVENTS_FLUSH();
 817         g_free(buf);
 818
 819         session_set_timeout(SESSION(pop3_session),
 820                             prefs_common.io_timeout_secs * 1000);
 821
 822         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 823                 if(!prefs_common.no_recv_err_panel) {
 824                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 825                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 826                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 827                         }
 828                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 829                                          server, port);
 830                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 831                 } else {
 832                         log_error(LOG_PROTOCOL, _("Can't connect to POP3 server: %s:%d\n"),
 833                             server, port);
 834                 }
 835                 session->inc_state = INC_CONNECT_ERROR;
 836                 statuswindow_pop_all();
 837                 return INC_CONNECT_ERROR;
 838         }
 839
 840         while (session_is_connected(SESSION(pop3_session)) &&
 841                session->inc_state != INC_CANCEL)
 842                 gtk_main_iteration();
 843
 844         if (session->inc_state == INC_SUCCESS) {
 845                 switch (pop3_session->error_val) {
 846                 case PS_SUCCESS:
 847                         switch (SESSION(pop3_session)->state) {
 848                         case SESSION_ERROR:
 849                                 if (pop3_session->state == POP3_READY)
 850                                         session->inc_state = INC_CONNECT_ERROR;
 851                                 else
 852                                         session->inc_state = INC_ERROR;
 853                                 break;
 854                         case SESSION_EOF:
 855                                 session->inc_state = INC_EOF;
 856                                 break;
 857                         case SESSION_TIMEOUT:
 858                                 session->inc_state = INC_TIMEOUT;
 859                                 break;
 860                         default:
 861                                 session->inc_state = INC_SUCCESS;
 862                                 break;
 863                         }
 864                         break;
 865                 case PS_AUTHFAIL:
 866                         session->inc_state = INC_AUTH_FAILED;
 867                         break;
 868                 case PS_IOERR:
 869                         session->inc_state = INC_IO_ERROR;
 870                         break;
 871                 case PS_SOCKET:
 872                         session->inc_state = INC_SOCKET_ERROR;
 873                         break;
 874                 case PS_LOCKBUSY:
 875                         session->inc_state = INC_LOCKED;
 876                         break;
 877                 default:
 878                         session->inc_state = INC_ERROR;
 879                         break;
 880                 }
 881         }
 882
 883         session_disconnect(SESSION(pop3_session));
 884         statusbar_pop_all();
 885
 886         return session->inc_state;
 887 }
 888
 889 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 890                                        IncSession *inc_session)
 891 {
 892         inc_progress_dialog_set_label(inc_dialog, inc_session);
 893         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 894 }
 895
 896 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 897                                           IncSession *inc_session)
 898 {
 899         ProgressDialog *dialog = inc_dialog->dialog;
 900         Pop3Session *session;
 901
 902         cm_return_if_fail(inc_session != NULL);
 903
 904         session = POP3_SESSION(inc_session->session);
 905
 906         switch (session->state) {
 907         case POP3_GREETING:
 908                 break;
 909         case POP3_GETAUTH_USER:
 910         case POP3_GETAUTH_PASS:
 911         case POP3_GETAUTH_APOP:
 912                 progress_dialog_set_label(dialog, _("Authenticating..."));
 913                 statuswindow_pop_all();
 914                 statusbar_print_all(_("Retrieving messages from %s (%s) ..."),
 915                                     SESSION(session)->server,
 916                                     session->ac_prefs->account_name);
 917                 break;
 918         case POP3_GETRANGE_STAT:
 919                 progress_dialog_set_label
 920                         (dialog, _("Getting the number of new messages (STAT)..."));
 921                 break;
 922         case POP3_GETRANGE_LAST:
 923                 progress_dialog_set_label
 924                         (dialog, _("Getting the number of new messages (LAST)..."));
 925                 break;
 926         case POP3_GETRANGE_UIDL:
 927                 progress_dialog_set_label
 928                         (dialog, _("Getting the number of new messages (UIDL)..."));
 929                 break;
 930         case POP3_GETSIZE_LIST:
 931                 progress_dialog_set_label
 932                         (dialog, _("Getting the size of messages (LIST)..."));
 933                 break;
 934         case POP3_RETR:
 935         case POP3_RETR_RECV:
 936         case POP3_DELETE:
 937                 break;
 938         case POP3_LOGOUT:
 939                 progress_dialog_set_label(dialog, _("Quitting"));
 940                 break;
 941         default:
 942                 break;
 943         }
 944 }
 945
 946 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 947                                              IncSession *inc_session)
 948 {
 949         gchar buf[MSGBUFSIZE];
 950         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 951         gchar *total_size_str;
 952         gint cur_total;
 953         gint total;
 954
 955         if (!pop3_session->new_msg_exist) return;
 956
 957         cur_total = inc_session->cur_total_bytes;
 958         total = pop3_session->total_bytes;
 959         if (pop3_session->state == POP3_RETR ||
 960             pop3_session->state == POP3_RETR_RECV ||
 961             pop3_session->state == POP3_DELETE) {
 962                 Xstrdup_a(total_size_str, to_human_readable((goffset)total), return);
 963                 g_snprintf(buf, sizeof(buf),
 964                            _("Retrieving message (%d / %d) (%s / %s)"),
 965                            pop3_session->cur_msg, pop3_session->count,
 966                            to_human_readable((goffset)cur_total), total_size_str);
 967                 progress_dialog_set_label(inc_dialog->dialog, buf);
 968         }
 969
 970         progress_dialog_set_fraction
 971                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 972
 973         g_snprintf(buf, sizeof(buf), "%d / %d",
 974                    pop3_session->cur_msg, pop3_session->count);
 975         gtk_progress_bar_set_text
 976                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), buf);
 977         gtk_progress_bar_set_fraction
 978                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 979                  (total == 0) ? 0 : (gfloat)cur_total / (gfloat)total);
 980
 981         if (pop3_session->cur_total_num > 0) {
 982                 g_snprintf(buf, sizeof(buf),
 983                            ngettext("Retrieving (%d message (%s) received)",
 984                                     "Retrieving (%d messages (%s) received)",
 985                                     pop3_session->cur_total_num),
 986                            pop3_session->cur_total_num,
 987                            to_human_readable
 988                            ((goffset)pop3_session->cur_total_recv_bytes));
 989                 progress_dialog_list_set_status(inc_dialog->dialog,
 990                                                 inc_dialog->cur_row,
 991                                                 buf);
 992         }
 993 }
 994
 995 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
 996                                                 IncSession *inc_session)
 997 {
 998         GTimeVal tv_cur;
 999         GTimeVal tv_result;
1000         gint msec;
1001
1002         g_get_current_time(&tv_cur);
1003
1004         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
1005         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
1006         if (tv_result.tv_usec < 0) {
1007                 tv_result.tv_sec--;
1008                 tv_result.tv_usec += G_USEC_PER_SEC;
1009         }
1010
1011         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
1012         if (msec > PROGRESS_UPDATE_INTERVAL) {
1013                 inc_progress_dialog_update(inc_dialog, inc_session);
1014                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
1015                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
1016         }
1017 }
1018
1019 static gint inc_recv_data_progressive(Session *session, guint cur_len,
1020                                       guint total_len, gpointer data)
1021 {
1022         IncSession *inc_session = (IncSession *)data;
1023         Pop3Session *pop3_session = POP3_SESSION(session);
1024         IncProgressDialog *inc_dialog;
1025         gint cur_total;
1026
1027         cm_return_val_if_fail(inc_session != NULL, -1);
1028
1029         if (pop3_session->state != POP3_RETR &&
1030             pop3_session->state != POP3_RETR_RECV &&
1031             pop3_session->state != POP3_DELETE &&
1032             pop3_session->state != POP3_LOGOUT) return 0;
1033
1034         if (!pop3_session->new_msg_exist) return 0;
1035
1036         cur_total = pop3_session->cur_total_bytes + cur_len;
1037         if (cur_total > pop3_session->total_bytes)
1038                 cur_total = pop3_session->total_bytes;
1039         inc_session->cur_total_bytes = cur_total;
1040
1041         inc_dialog = (IncProgressDialog *)inc_session->data;
1042         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
1043
1044         return 0;
1045 }
1046
1047 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
1048 {
1049         IncSession *inc_session = (IncSession *)data;
1050         IncProgressDialog *inc_dialog;
1051
1052         cm_return_val_if_fail(inc_session != NULL, -1);
1053
1054         inc_dialog = (IncProgressDialog *)inc_session->data;
1055
1056         inc_recv_data_progressive(session, 0, 0, inc_session);
1057
1058         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1059                 inc_progress_dialog_update(inc_dialog, inc_session);
1060         }
1061
1062         return 0;
1063 }
1064
1065 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1066 {
1067         IncSession *inc_session = (IncSession *)data;
1068         IncProgressDialog *inc_dialog;
1069
1070         cm_return_val_if_fail(inc_session != NULL, -1);
1071
1072         inc_dialog = (IncProgressDialog *)inc_session->data;
1073
1074         switch (POP3_SESSION(session)->state) {
1075         case POP3_GETAUTH_USER:
1076         case POP3_GETAUTH_PASS:
1077         case POP3_GETAUTH_APOP:
1078         case POP3_GETRANGE_STAT:
1079         case POP3_GETRANGE_LAST:
1080         case POP3_GETRANGE_UIDL:
1081         case POP3_GETSIZE_LIST:
1082                 inc_progress_dialog_update(inc_dialog, inc_session);
1083                 break;
1084         case POP3_RETR:
1085                 inc_recv_data_progressive(session, 0, 0, inc_session);
1086                 break;
1087         case POP3_LOGOUT:
1088                 inc_progress_dialog_update(inc_dialog, inc_session);
1089                 break;
1090         default:
1091                 break;
1092         }
1093
1094         return 0;
1095 }
1096
1097 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1098 {
1099         FolderItem *inbox;
1100         FolderItem *dropfolder;
1101         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1102         gint msgnum;
1103
1104         cm_return_val_if_fail(inc_session != NULL, -1);
1105
1106         if (session->ac_prefs->inbox) {
1107                 inbox = folder_find_item_from_identifier
1108                         (session->ac_prefs->inbox);
1109                 if (!inbox)
1110                         inbox = folder_get_default_inbox();
1111         } else
1112                 inbox = folder_get_default_inbox();
1113         if (!inbox) {
1114                 claws_unlink(file);
1115                 return -1;
1116         }
1117
1118         /* CLAWS: claws uses a global .processing folder for the filtering. */
1119         dropfolder = folder_get_default_processing();
1120
1121         /* add msg file to drop folder */
1122         if ((msgnum = folder_item_add_msg(
1123                         dropfolder, file, NULL, TRUE)) < 0) {
1124                 claws_unlink(file);
1125                 return -1;
1126         }
1127
1128         return 0;
1129 }
1130
1131 static void inc_put_error(IncState istate, Pop3Session *session)
1132 {
1133         gchar *log_msg = NULL;
1134         gchar *err_msg = NULL;
1135         gboolean fatal_error = FALSE;
1136
1137         switch (istate) {
1138         case INC_CONNECT_ERROR:
1139                 log_msg = _("Connection failed.");
1140                 fatal_error = TRUE;
1141                 if (prefs_common.no_recv_err_panel)
1142                         break;
1143                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1144                                           SESSION(session)->server,
1145                                           SESSION(session)->port);
1146                 break;
1147         case INC_ERROR:
1148                 log_msg = _("Error occurred while processing mail.");
1149                 fatal_error = TRUE;
1150                 if (prefs_common.no_recv_err_panel)
1151                         break;
1152                 if (session->error_msg)
1153                         err_msg = g_strdup_printf
1154                                 (_("Error occurred while processing mail:\n%s"),
1155                                  session->error_msg);
1156                 else
1157                         err_msg = g_strdup(log_msg);
1158                 break;
1159         case INC_NO_SPACE:
1160                 log_msg = _("No disk space left.");
1161                 err_msg = g_strdup(log_msg);
1162                 fatal_error = TRUE;
1163                 break;
1164         case INC_IO_ERROR:
1165                 log_msg = _("Can't write file.");
1166                 err_msg = g_strdup(log_msg);
1167                 fatal_error = TRUE;
1168                 break;
1169         case INC_SOCKET_ERROR:
1170                 log_msg = _("Socket error.");
1171                 if (prefs_common.no_recv_err_panel)
1172                         break;
1173                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1174                                           SESSION(session)->server,
1175                                           SESSION(session)->port);
1176                 break;
1177         case INC_EOF:
1178                 log_msg = _("Connection closed by the remote host.");
1179                 if (prefs_common.no_recv_err_panel)
1180                         break;
1181                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1182                                           SESSION(session)->server,
1183                                           SESSION(session)->port);
1184                 break;
1185         case INC_LOCKED:
1186                 log_msg = _("Mailbox is locked.");
1187                 if (prefs_common.no_recv_err_panel)
1188                         break;
1189                 if (session->error_msg)
1190                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1191                                                   session->error_msg);
1192                 else
1193                         err_msg = g_strdup(log_msg);
1194                 break;
1195         case INC_AUTH_FAILED:
1196                 log_msg = _("Authentication failed.");
1197                 fatal_error = TRUE;
1198                 if (prefs_common.no_recv_err_panel)
1199                         break;
1200                 if (session->error_msg)
1201                         err_msg = g_strdup_printf
1202                                 (_("Authentication failed:\n%s"), session->error_msg);
1203                 else
1204                         err_msg = g_strdup(log_msg);
1205                 break;
1206         case INC_TIMEOUT:
1207                 log_msg = _("Session timed out. You may be able to "
1208                             "recover by increasing the timeout value in "
1209                             "Preferences/Other/Miscellaneous.");
1210                 if (prefs_common.no_recv_err_panel)
1211                         break;
1212                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1213                                           SESSION(session)->server,
1214                                           SESSION(session)->port);
1215                 break;
1216         default:
1217                 break;
1218         }
1219
1220         if (log_msg) {
1221                 if (fatal_error)
1222                         log_error(LOG_PROTOCOL, "%s\n", log_msg);
1223                 else
1224                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
1225         }
1226         if (prefs_common.no_recv_err_panel && fatal_error)
1227                 mainwindow_show_error();
1228
1229         if (err_msg) {
1230                 alertpanel_error_log("%s", err_msg);
1231                 g_free(err_msg);
1232         }
1233 }
1234
1235 static void inc_cancel(IncProgressDialog *dialog)
1236 {
1237         IncSession *session;
1238
1239         cm_return_if_fail(dialog != NULL);
1240
1241         if (dialog->queue_list == NULL) {
1242                 inc_progress_dialog_destroy(dialog);
1243                 return;
1244         }
1245
1246         session = dialog->queue_list->data;
1247
1248         session->inc_state = INC_CANCEL;
1249
1250         log_message(LOG_PROTOCOL, _("Incorporation cancelled\n"));
1251 }
1252
1253 gboolean inc_is_active(void)
1254 {
1255         return (inc_dialog_list != NULL);
1256 }
1257
1258 void inc_cancel_all(void)
1259 {
1260         GList *cur;
1261
1262         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1263                 inc_cancel((IncProgressDialog *)cur->data);
1264 }
1265
1266 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1267 {
1268         inc_cancel((IncProgressDialog *)data);
1269 }
1270
1271 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1272                                  gpointer data)
1273 {
1274         IncProgressDialog *dialog = (IncProgressDialog *)data;
1275
1276         if (dialog->queue_list == NULL)
1277                 inc_progress_dialog_destroy(dialog);
1278
1279         return TRUE;
1280 }
1281
1282 static gint inc_spool_account(PrefsAccount *account)
1283 {
1284         FolderItem *inbox;
1285         gchar *mbox;
1286         gint result;
1287
1288         if (account->local_inbox) {
1289                 inbox = folder_find_item_from_identifier(account->local_inbox);
1290                 if (!inbox)
1291                         inbox = folder_get_default_inbox();
1292         } else
1293                 inbox = folder_get_default_inbox();
1294
1295         if (account->local_mbox) {
1296                 if (is_file_exist(account->local_mbox))
1297                         mbox = g_strdup(account->local_mbox);
1298                 else if (is_dir_exist(account->local_mbox))
1299                         mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1300                                            g_get_user_name(), NULL);
1301                 else {
1302                         debug_print("%s: local mailbox not found.\n",
1303                                     account->local_mbox);
1304                         return -1;
1305                 }
1306         } else {
1307                 debug_print("local mailbox not set in account info.\n");
1308                 return -1;
1309         }
1310
1311         result = get_spool(inbox, mbox, account);
1312         g_free(mbox);
1313
1314         statusbar_pop_all();
1315
1316         return result;
1317 }
1318
1319 static gint inc_all_spool(void)
1320 {
1321         GList *list = NULL;
1322         gint new_msgs = 0;
1323         gint account_new_msgs = 0;
1324
1325         list = account_get_list();
1326         if (!list) return 0;
1327
1328         for (; list != NULL; list = list->next) {
1329                 PrefsAccount *account = list->data;
1330
1331                 if ((account->protocol == A_LOCAL) &&
1332                     (account->recv_at_getall)) {
1333                         account_new_msgs = inc_spool_account(account);
1334                         if (account_new_msgs > 0)
1335                                 new_msgs += account_new_msgs;
1336                 }
1337         }
1338
1339         return new_msgs;
1340 }
1341
1342 static gint get_spool(FolderItem *dest, const gchar *mbox, PrefsAccount *account)
1343 {
1344         gint msgs, size;
1345         gint lockfd;
1346         gchar tmp_mbox[MAXPATHLEN + 1];
1347
1348         cm_return_val_if_fail(dest != NULL, -1);
1349         cm_return_val_if_fail(mbox != NULL, -1);
1350         cm_return_val_if_fail(account != NULL, -1);
1351
1352         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1353                 debug_print("%s: no messages in local mailbox.\n", mbox);
1354                 return 0;
1355         } else if (size < 0)
1356                 return -1;
1357
1358         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1359                 return -1;
1360
1361         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%p",
1362                    get_tmp_dir(), G_DIR_SEPARATOR, mbox);
1363
1364         if (copy_mbox(lockfd, tmp_mbox) < 0) {
1365                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1366                 return -1;
1367         }
1368
1369         debug_print("Getting new messages from %s into %s...\n",
1370                     mbox, dest->path);
1371
1372         msgs = proc_mbox(dest, tmp_mbox, account->filter_on_recv, account);
1373
1374         claws_unlink(tmp_mbox);
1375         if (msgs >= 0) empty_mbox(mbox);
1376         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1377
1378         return msgs;
1379 }
1380
1381 void inc_lock_real(void)
1382 {
1383         inc_lock_count++;
1384 }
1385
1386 void inc_unlock_real(void)
1387 {
1388         if (inc_lock_count > 0)
1389                 inc_lock_count--;
1390 }
1391
1392 static guint autocheck_timer = 0;
1393 static gpointer autocheck_data = NULL;
1394
1395 #ifdef MAEMO
1396 osso_context_t *get_osso_context(void);
1397 #endif
1398
1399 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1400 {
1401
1402 #ifndef MAEMO
1403         gchar *buf, *numpos, *ret_str;
1404         gssize by_read = 0, by_written = 0;
1405
1406         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1407             *prefs_common.newmail_notify_cmd))
1408                      return;
1409
1410         buf = g_strdup(prefs_common.newmail_notify_cmd);
1411         if ((numpos = strstr(buf, "%d")) != NULL) {
1412                 gchar *buf2;
1413
1414                 *numpos = '\0';
1415                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1416                 g_free(buf);
1417                 buf = buf2;
1418         }
1419
1420         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1421                                      NULL);
1422         if (ret_str && by_written) {
1423                 g_free(buf);
1424                 buf = ret_str;
1425         }
1426         debug_print("executing new mail notification command: %s\n", buf);
1427         execute_command_line(buf, TRUE);
1428
1429         g_free(buf);
1430
1431 #else
1432         if (new_msgs) {
1433                 if (prefs_common.maemo_play_sound)
1434                         hildon_play_system_sound("/usr/share/sounds/ui-new_email.wav");
1435                 if (prefs_common.maemo_show_banner) {
1436                         gchar *info = g_strdup_printf(ngettext("Claws Mail: %d new message",
1437                                                    "Claws Mail: %d new messages",
1438                                                    new_msgs), new_msgs);
1439                         osso_system_note_infoprint(get_osso_context(), info, NULL);
1440                         g_free(info);
1441                 }
1442         }
1443 #endif
1444 }
1445
1446 #if (defined(MAEMO) && defined(CONIC))
1447 static void maemo_connection_event(ConIcConnection *connection,
1448                                    ConIcConnectionEvent *event,
1449                                    gpointer user_data)
1450 {
1451         ConIcConnectionStatus status =
1452                 con_ic_connection_event_get_status(event);
1453         MainWindow *mainwin = (MainWindow *)user_data;
1454         switch(status) {
1455         case CON_IC_STATUS_CONNECTED:
1456                 debug_print("we're connected\n");
1457                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1458                 break;
1459         default:
1460                 debug_print("we're disconnected\n");
1461                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1462                 maemo_warned_offline = FALSE;
1463                 break;
1464         }
1465 }
1466
1467 #endif
1468
1469 void inc_autocheck_timer_init(MainWindow *mainwin)
1470 {
1471 #if (defined(MAEMO) && defined(CONIC))
1472         GValue *val = g_new0(GValue, 1);
1473         maemo_connection = con_ic_connection_new();
1474
1475         g_value_init(val, G_TYPE_BOOLEAN);
1476         g_value_set_boolean(val, TRUE);
1477         g_object_set_property(G_OBJECT(maemo_connection),
1478                         "automatic-connection-events", val);
1479         g_free(val);
1480         g_signal_connect (maemo_connection, "connection-event",
1481                           G_CALLBACK(maemo_connection_event), mainwin);
1482         con_ic_connection_connect (maemo_connection,
1483                 CON_IC_CONNECT_FLAG_AUTOMATICALLY_TRIGGERED);
1484         autocheck_data = mainwin;
1485 #else
1486         autocheck_data = mainwin;
1487         inc_autocheck_timer_set();
1488 #endif
1489 }
1490
1491 static void inc_autocheck_timer_set_interval(guint interval)
1492 {
1493         inc_autocheck_timer_remove();
1494         /* last test is to avoid re-enabling auto_check after modifying
1495            the common preferences */
1496         if (prefs_common.autochk_newmail && autocheck_data
1497             && prefs_common.work_offline == FALSE) {
1498 #if GLIB_CHECK_VERSION(2,14,0)
1499                 if (interval % 1000 == 0)
1500                         autocheck_timer =
1501                                 g_timeout_add_seconds(interval/1000, inc_autocheck_func, autocheck_data);
1502                 else
1503 #endif
1504                 autocheck_timer = g_timeout_add
1505                         (interval, inc_autocheck_func, autocheck_data);
1506                 debug_print("added timer = %d\n", autocheck_timer);
1507         }
1508 }
1509
1510 void inc_autocheck_timer_set(void)
1511 {
1512         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1513 #if (defined(MAEMO) && defined(CONIC))
1514         con_ic_connection_connect (maemo_connection,
1515                 CON_IC_CONNECT_FLAG_AUTOMATICALLY_TRIGGERED);
1516 #endif
1517 }
1518
1519 void inc_autocheck_timer_remove(void)
1520 {
1521         if (autocheck_timer) {
1522                 debug_print("removed timer = %d\n", autocheck_timer);
1523                 g_source_remove(autocheck_timer);
1524                 autocheck_timer = 0;
1525         }
1526 }
1527
1528 static gint inc_autocheck_func(gpointer data)
1529 {
1530         MainWindow *mainwin = (MainWindow *)data;
1531
1532         if (inc_lock_count) {
1533                 debug_print("autocheck is locked.\n");
1534                 inc_autocheck_timer_set_interval(1000);
1535                 return FALSE;
1536         }
1537
1538         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1539
1540         return FALSE;
1541 }
1542
1543 gboolean inc_offline_should_override(gboolean force_ask, const gchar *msg)
1544 {
1545         static time_t overridden_yes = 0;
1546         static time_t overridden_no  = 0;
1547         int length = 10; /* minutes */
1548         gint answer = G_ALERTDEFAULT;
1549
1550 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1551         /* If no network connection is available, override is not possible */
1552         if(!networkmanager_is_online(NULL))
1553                 return FALSE;
1554 #endif
1555
1556 #if (defined(MAEMO) && defined(CONIC))
1557         if (prefs_common.work_offline) {
1558                 if (force_ask && !maemo_warned_offline) {
1559                         if (mainwindow_get_mainwindow())
1560                                 hildon_banner_show_information(
1561                                         mainwindow_get_mainwindow()->window,
1562                                         NULL,
1563                                         _("Unable to connect: you are offline."));
1564                         maemo_warned_offline = TRUE;
1565                 }
1566                 return FALSE;
1567         } else {
1568                 return TRUE;
1569         }
1570 #endif
1571
1572         if (prefs_common.autochk_newmail)
1573                 length = prefs_common.autochk_itv; /* minutes */
1574
1575         if (force_ask) {
1576                 overridden_no = (time_t)0;
1577         }
1578
1579         if (prefs_common.work_offline) {
1580                 gchar *tmp = NULL;
1581
1582                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1583                          return TRUE;
1584                 else if (time(NULL) - overridden_no < length * 60) /* seconds */
1585                          return FALSE;
1586
1587                 if (!force_ask)
1588                         tmp = g_strdup_printf(
1589                                 _("%s%sYou're working offline. Override for %d minutes?"),
1590                                 msg?msg:"",
1591                                 msg?"\n\n":"",
1592                                 length);
1593                 else
1594                         tmp = g_strdup_printf(
1595                                 _("%s%sYou're working offline. Override?"),
1596                                 msg?msg:"",
1597                                 msg?"\n\n":"");
1598
1599                 answer = alertpanel(_("Offline warning"),
1600                                tmp,
1601                                GTK_STOCK_NO, "+" GTK_STOCK_YES,
1602                                 !force_ask? _("On_ly once"):NULL);
1603                 g_free(tmp);
1604                 if (answer == G_ALERTALTERNATE) {
1605                         overridden_yes = time(NULL);
1606                         return TRUE;
1607                 } else if (answer == G_ALERTDEFAULT) {
1608                         if (!force_ask)
1609                                 overridden_no  = time(NULL);
1610                         return FALSE;
1611                 } else {
1612                         overridden_yes = (time_t)0;
1613                         overridden_no  = (time_t)0;
1614                         return TRUE;
1615                 }
1616         }
1617         return TRUE;
1618 }