src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30 #include <stdio.h>
  31 #include <unistd.h>
  32 #include <string.h>
  33
  34 #include "main.h"
  35 #include "inc.h"
  36 #include "mainwindow.h"
  37 #include "folderview.h"
  38 #include "summaryview.h"
  39 #include "prefs_common.h"
  40 #include "prefs_account.h"
  41 #include "account.h"
  42 #include "procmsg.h"
  43 #include "socket.h"
  44 #include "ssl.h"
  45 #include "pop.h"
  46 #include "recv.h"
  47 #include "mbox.h"
  48 #include "utils.h"
  49 #include "gtkutils.h"
  50 #include "statusbar.h"
  51 #include "msgcache.h"
  52 #include "manage_window.h"
  53 #include "stock_pixmap.h"
  54 #include "progressdialog.h"
  55 #include "inputdialog.h"
  56 #include "alertpanel.h"
  57 #include "folder.h"
  58 #include "filtering.h"
  59 #include "log.h"
  60 #include "hooks.h"
  61 #include "logwindow.h"
  62
  63 #ifdef MAEMO
  64 #ifdef CHINOOK
  65 #include <hildon/hildon-banner.h>
  66 #include <hildon/hildon-sound.h>
  67 #else
  68 #include <hildon-widgets/hildon-banner.h>
  69 #include <hildon-widgets/hildon-system-sound.h>
  70 #endif
  71 #include <libosso.h>
  72
  73 #ifdef CONIC
  74 #include <conicconnection.h>
  75 #include <conicconnectionevent.h>
  76
  77 static ConIcConnection *maemo_connection = NULL;
  78 static gboolean maemo_warned_offline = FALSE;
  79 #endif
  80 #endif
  81
  82 extern SessionStats session_stats;
  83
  84 static GList *inc_dialog_list = NULL;
  85
  86 guint inc_lock_count = 0;
  87
  88 static GdkPixbuf *currentpix;
  89 static GdkPixbuf *errorpix;
  90 static GdkPixbuf *okpix;
  91
  92 #define MSGBUFSIZE      8192
  93
  94 static void inc_update_stats(gint new_msgs);
  95 static void inc_finished                (MainWindow             *mainwin,
  96                                          gboolean                new_messages,
  97                                          gboolean                autocheck);
  98 static gint inc_account_mail_real       (MainWindow             *mainwin,
  99                                          PrefsAccount           *account);
 100
 101 static IncProgressDialog *inc_progress_dialog_create
 102                                         (gboolean                autocheck);
 103 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
 104 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
 105
 106 static IncSession *inc_session_new      (PrefsAccount           *account);
 107 static void inc_session_destroy         (IncSession             *session);
 108 static gint inc_start                   (IncProgressDialog      *inc_dialog);
 109 static IncState inc_pop3_session_do     (IncSession             *session);
 110
 111 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
 112                                          IncSession             *inc_session);
 113
 114 static void inc_progress_dialog_set_label
 115                                         (IncProgressDialog      *inc_dialog,
 116                                          IncSession             *inc_session);
 117 static void inc_progress_dialog_set_progress
 118                                         (IncProgressDialog      *inc_dialog,
 119                                          IncSession             *inc_session);
 120
 121 static void inc_progress_dialog_update_periodic
 122                                         (IncProgressDialog      *inc_dialog,
 123                                          IncSession             *inc_session);
 124
 125 static gint inc_recv_data_progressive   (Session        *session,
 126                                          guint           cur_len,
 127                                          guint           total_len,
 128                                          gpointer        data);
 129 static gint inc_recv_data_finished      (Session        *session,
 130                                          guint           len,
 131                                          gpointer        data);
 132 static gint inc_recv_message            (Session        *session,
 133                                          const gchar    *msg,
 134                                          gpointer        data);
 135 static gint inc_drop_message            (Pop3Session    *session,
 136                                          const gchar    *file);
 137
 138 static void inc_put_error               (IncState        istate,
 139                                          Pop3Session    *session);
 140
 141 static void inc_showlog_cb              (GtkWidget      *widget,
 142                                          gpointer        data);
 143 static void inc_cancel_cb               (GtkWidget      *widget,
 144                                          gpointer        data);
 145 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 146                                          GdkEventAny    *event,
 147                                          gpointer        data);
 148
 149 static gint get_spool                   (FolderItem     *dest,
 150                                          const gchar    *mbox,
 151                                          PrefsAccount   *account);
 152
 153 static gint inc_spool_account(PrefsAccount *account);
 154 static gint inc_all_spool(void);
 155 static void inc_autocheck_timer_set_interval    (guint           interval);
 156 static gint inc_autocheck_func                  (gpointer        data);
 157
 158 static void inc_notify_cmd              (gint new_msgs,
 159                                          gboolean notify);
 160
 161 static void inc_update_stats(gint new_msgs)
 162 {
 163         /* update session statistics */
 164         session_stats.received += new_msgs;
 165 fprintf(stdout, "++ STATS ++ INC %d %d\n", session_stats.received, new_msgs);
 166 fflush(stdout);
 167 }
 168
 169 /**
 170  * inc_finished:
 171  * @mainwin: Main window.
 172  * @new_messages: TRUE if some messages have been received.
 173  *
 174  * Update the folder view and the summary view after receiving
 175  * messages.  If @new_messages is FALSE, this function avoids unneeded
 176  * updating.
 177  **/
 178 static void inc_finished(MainWindow *mainwin, gboolean new_messages, gboolean autocheck)
 179 {
 180         if (prefs_common.scan_all_after_inc)
 181                 folderview_check_new(NULL);
 182
 183         if (!autocheck && new_messages && prefs_common.open_inbox_on_inc) {
 184                 FolderItem *item = NULL;
 185
 186                 if (cur_account && cur_account->inbox)
 187                         item = folder_find_item_from_identifier(cur_account->inbox);
 188                 if (item == NULL && cur_account->folder)
 189                         item = cur_account->folder->inbox;
 190                 if (item == NULL)
 191                         item = folder_get_default_inbox();
 192
 193                 folderview_unselect(mainwin->folderview);
 194                 folderview_select(mainwin->folderview, item);
 195         }
 196 }
 197
 198 void inc_mail(MainWindow *mainwin, gboolean notify)
 199 {
 200         gint new_msgs = 0;
 201         gint account_new_msgs = 0;
 202
 203         if (inc_lock_count) return;
 204
 205         if (prefs_common.work_offline &&
 206             !inc_offline_should_override(TRUE,
 207                 _("Claws Mail needs network access in order "
 208                   "to get mails.")))
 209                 return;
 210
 211         inc_lock();
 212         inc_autocheck_timer_remove();
 213         main_window_lock(mainwin);
 214
 215         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 216                 /* external incorporating program */
 217                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 218                         main_window_unlock(mainwin);
 219                         inc_autocheck_timer_set();
 220                         inc_unlock();
 221                         return;
 222                 }
 223         } else {
 224                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 225                 if (account_new_msgs > 0)
 226                         new_msgs += account_new_msgs;
 227         }
 228
 229         inc_update_stats(new_msgs);
 230         inc_finished(mainwin, new_msgs > 0, FALSE);
 231         main_window_unlock(mainwin);
 232         inc_notify_cmd(new_msgs, notify);
 233         inc_autocheck_timer_set();
 234         inc_unlock();
 235 }
 236
 237 void inc_pop_before_smtp(PrefsAccount *acc)
 238 {
 239         IncProgressDialog *inc_dialog;
 240         IncSession *session;
 241         MainWindow *mainwin;
 242
 243         mainwin = mainwindow_get_mainwindow();
 244
 245         session = inc_session_new(acc);
 246         if (!session) return;
 247         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 248
 249         inc_dialog = inc_progress_dialog_create(FALSE);
 250         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 251                                                session);
 252         /* FIXME: assumes to attach to first main window */
 253         inc_dialog->mainwin = mainwin;
 254         inc_progress_dialog_set_list(inc_dialog);
 255
 256         if (mainwin) {
 257                 toolbar_main_set_sensitive(mainwin);
 258                 main_window_set_menu_sensitive(mainwin);
 259         }
 260
 261         inc_start(inc_dialog);
 262 }
 263
 264 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 265 {
 266         IncProgressDialog *inc_dialog;
 267         IncSession *session;
 268
 269         switch (account->protocol) {
 270         case A_IMAP4:
 271         case A_NNTP:
 272                 /* Melvin: bug [14]
 273                  * FIXME: it should return foldeview_check_new() value.
 274                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 275                  * an incorrect new message count)
 276                  */
 277                 folderview_check_new(FOLDER(account->folder));
 278                 return 0;
 279         case A_POP3:
 280         case A_APOP:
 281                 session = inc_session_new(account);
 282                 if (!session) return 0;
 283
 284                 inc_dialog = inc_progress_dialog_create(FALSE);
 285                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 286                                                        session);
 287                 inc_dialog->mainwin = mainwin;
 288                 inc_progress_dialog_set_list(inc_dialog);
 289
 290                 if (mainwin) {
 291                         toolbar_main_set_sensitive(mainwin);
 292                         main_window_set_menu_sensitive(mainwin);
 293                 }
 294
 295                 return inc_start(inc_dialog);
 296
 297         case A_LOCAL:
 298                 return inc_spool_account(account);
 299
 300         default:
 301                 break;
 302         }
 303         return 0;
 304 }
 305
 306 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 307 {
 308         gint new_msgs;
 309
 310         if (inc_lock_count) return 0;
 311
 312         if (prefs_common.work_offline &&
 313             !inc_offline_should_override(TRUE,
 314                 _("Claws Mail needs network access in order "
 315                   "to get mails.")))
 316                 return 0;
 317
 318         inc_autocheck_timer_remove();
 319         main_window_lock(mainwin);
 320
 321         new_msgs = inc_account_mail_real(mainwin, account);
 322
 323         inc_update_stats(new_msgs);
 324         inc_finished(mainwin, new_msgs > 0, FALSE);
 325         main_window_unlock(mainwin);
 326         inc_autocheck_timer_set();
 327
 328         return new_msgs;
 329 }
 330
 331 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 332                           gboolean notify)
 333 {
 334         GList *list, *queue_list = NULL;
 335         IncProgressDialog *inc_dialog;
 336         gint new_msgs = 0;
 337         gint account_new_msgs = 0;
 338
 339         if (prefs_common.work_offline &&
 340             !inc_offline_should_override( (autocheck == FALSE),
 341                 _("Claws Mail needs network access in order "
 342                   "to get mails.")))
 343                 return;
 344
 345         if (inc_lock_count) return;
 346
 347         inc_autocheck_timer_remove();
 348         main_window_lock(mainwin);
 349
 350         list = account_get_list();
 351         if (!list) {
 352                 inc_update_stats(new_msgs);
 353                 inc_finished(mainwin, new_msgs > 0, autocheck);
 354                 main_window_unlock(mainwin);
 355                 inc_notify_cmd(new_msgs, notify);
 356                 inc_autocheck_timer_set();
 357                 return;
 358         }
 359
 360         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 361                 /* external incorporating program */
 362                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 363                         log_error(LOG_PROTOCOL, _("%s failed\n"), prefs_common.extinc_cmd);
 364
 365                         main_window_unlock(mainwin);
 366                         inc_autocheck_timer_set();
 367                         return;
 368                 }
 369         }
 370
 371         /* check local folders */
 372         account_new_msgs = inc_all_spool();
 373         if (account_new_msgs > 0)
 374                 new_msgs += account_new_msgs;
 375
 376         /* check IMAP4 / News folders */
 377         for (list = account_get_list(); list != NULL; list = list->next) {
 378                 PrefsAccount *account = list->data;
 379                 if ((account->protocol == A_IMAP4 ||
 380                      account->protocol == A_NNTP) && account->recv_at_getall) {
 381                         new_msgs += folderview_check_new(FOLDER(account->folder));
 382                 }
 383         }
 384
 385         /* check POP3 accounts */
 386         for (list = account_get_list(); list != NULL; list = list->next) {
 387                 IncSession *session;
 388                 PrefsAccount *account = list->data;
 389
 390                 if (account->recv_at_getall) {
 391                         session = inc_session_new(account);
 392                         if (session)
 393                                 queue_list = g_list_append(queue_list, session);
 394                 }
 395         }
 396
 397         if (queue_list) {
 398                 inc_dialog = inc_progress_dialog_create(autocheck);
 399                 inc_dialog->queue_list = queue_list;
 400                 inc_dialog->mainwin = mainwin;
 401                 inc_progress_dialog_set_list(inc_dialog);
 402
 403                 toolbar_main_set_sensitive(mainwin);
 404                 main_window_set_menu_sensitive(mainwin);
 405                 new_msgs += inc_start(inc_dialog);
 406         }
 407
 408         inc_update_stats(new_msgs);
 409         inc_finished(mainwin, new_msgs > 0, autocheck);
 410         main_window_unlock(mainwin);
 411         inc_notify_cmd(new_msgs, notify);
 412         inc_autocheck_timer_set();
 413 }
 414
 415 static void inc_progress_dialog_size_allocate_cb(GtkWidget *widget,
 416                                          GtkAllocation *allocation)
 417 {
 418         cm_return_if_fail(allocation != NULL);
 419
 420         prefs_common.receivewin_width = allocation->width;
 421         prefs_common.receivewin_height = allocation->height;
 422 }
 423
 424 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 425 {
 426         IncProgressDialog *dialog;
 427         ProgressDialog *progress;
 428         static GdkGeometry geometry;
 429
 430         dialog = g_new0(IncProgressDialog, 1);
 431
 432         progress = progress_dialog_create();
 433         gtk_window_set_title(GTK_WINDOW(progress->window),
 434                              _("Retrieving new messages"));
 435         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 436                          G_CALLBACK(inc_showlog_cb), dialog);
 437         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 438                          G_CALLBACK(inc_cancel_cb), dialog);
 439         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 440                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 441         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 442                          G_CALLBACK(inc_progress_dialog_size_allocate_cb), NULL);
 443         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 444
 445         progress_dialog_get_fraction(progress);
 446
 447         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 448                          &okpix);
 449         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 450                          &currentpix);
 451         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 452                          &errorpix);
 453
 454         if (!geometry.min_height) {
 455                 geometry.min_width = 460;
 456                 geometry.min_height = 250;
 457         }
 458
 459         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 460                                       GDK_HINT_MIN_SIZE);
 461         gtk_widget_set_size_request(progress->window, prefs_common.receivewin_width,
 462                                     prefs_common.receivewin_height);
 463
 464         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 465             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 466              !autocheck)) {
 467                 dialog->show_dialog = TRUE;
 468                 gtk_widget_show_now(progress->window);
 469         }
 470
 471         dialog->dialog = progress;
 472         g_get_current_time(&dialog->progress_tv);
 473         g_get_current_time(&dialog->folder_tv);
 474         dialog->queue_list = NULL;
 475         dialog->cur_row = 0;
 476
 477         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 478
 479         return dialog;
 480 }
 481
 482 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 483 {
 484         GList *list;
 485
 486         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 487                 IncSession *session = list->data;
 488                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 489
 490                 session->data = inc_dialog;
 491
 492                 progress_dialog_list_set(inc_dialog->dialog,
 493                                          -1, NULL,
 494                                          pop3_session->ac_prefs->account_name,
 495                                          _("Standby"));
 496         }
 497 }
 498
 499 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 500 {
 501         progress_dialog_get_fraction(inc_dialog->dialog);
 502         progress_dialog_set_label(inc_dialog->dialog, "");
 503         if (inc_dialog->mainwin)
 504                 main_window_progress_off(inc_dialog->mainwin);
 505 }
 506
 507 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 508 {
 509         cm_return_if_fail(inc_dialog != NULL);
 510
 511         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 512
 513         if (inc_dialog->mainwin)
 514                 main_window_progress_off(inc_dialog->mainwin);
 515         progress_dialog_destroy(inc_dialog->dialog);
 516
 517         g_free(inc_dialog);
 518 }
 519
 520 static IncSession *inc_session_new(PrefsAccount *account)
 521 {
 522         IncSession *session;
 523
 524         cm_return_val_if_fail(account != NULL, NULL);
 525
 526         if (account->protocol != A_POP3)
 527                 return NULL;
 528         if (!account->recv_server || !account->userid)
 529                 return NULL;
 530
 531         session = g_new0(IncSession, 1);
 532
 533         session->session = pop3_session_new(account);
 534         session->session->data = session;
 535         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 536         session_set_recv_message_notify(session->session,
 537                                         inc_recv_message, session);
 538         session_set_recv_data_progressive_notify(session->session,
 539                                                  inc_recv_data_progressive,
 540                                                  session);
 541         session_set_recv_data_notify(session->session,
 542                                      inc_recv_data_finished, session);
 543
 544         return session;
 545 }
 546
 547 static void inc_session_destroy(IncSession *session)
 548 {
 549         cm_return_if_fail(session != NULL);
 550
 551         session_destroy(session->session);
 552         g_free(session);
 553 }
 554
 555 static gint inc_start(IncProgressDialog *inc_dialog)
 556 {
 557         IncSession *session;
 558         GList *qlist;
 559         Pop3Session *pop3_session;
 560         IncState inc_state;
 561         gint error_num = 0;
 562         gint new_msgs = 0;
 563         gchar *msg;
 564         gchar *fin_msg;
 565         FolderItem *processing, *inbox;
 566         GSList *msglist, *msglist_element;
 567         gboolean cancelled = FALSE;
 568
 569         qlist = inc_dialog->queue_list;
 570         while (qlist != NULL) {
 571                 GList *next = qlist->next;
 572
 573                 session = qlist->data;
 574                 pop3_session = POP3_SESSION(session->session);
 575                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 576                 if (pop3_session->ac_prefs->passwd)
 577                         pop3_session->pass =
 578                                 g_strdup(pop3_session->ac_prefs->passwd);
 579                 else {
 580                         gchar *pass;
 581
 582                         if (inc_dialog->show_dialog)
 583                                 manage_window_focus_in
 584                                         (inc_dialog->dialog->window,
 585                                          NULL, NULL);
 586
 587                         pass = input_dialog_query_password_keep
 588                                 (pop3_session->ac_prefs->recv_server,
 589                                  pop3_session->user,
 590                                  &(pop3_session->ac_prefs->session_passwd));
 591
 592                         if (inc_dialog->show_dialog)
 593                                 manage_window_focus_out
 594                                         (inc_dialog->dialog->window,
 595                                          NULL, NULL);
 596
 597                         if (pass) {
 598                                 pop3_session->pass = pass;
 599                         }
 600                 }
 601
 602                 qlist = next;
 603         }
 604
 605 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 606 {                                                                          \
 607         progress_dialog_list_set(inc_dialog->dialog,                       \
 608                                  inc_dialog->cur_row,                      \
 609                                  pix,                                      \
 610                                  NULL,                                     \
 611                                  str);                                     \
 612 }
 613
 614         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 615                 session = inc_dialog->queue_list->data;
 616                 pop3_session = POP3_SESSION(session->session);
 617                 GSList *filtered, *unfiltered;
 618
 619                 if (pop3_session->pass == NULL) {
 620                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 621                         inc_session_destroy(session);
 622                         inc_dialog->queue_list =
 623                                 g_list_remove(inc_dialog->queue_list, session);
 624                         continue;
 625                 }
 626
 627                 inc_progress_dialog_clear(inc_dialog);
 628                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 629                                               inc_dialog->cur_row);
 630
 631                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 632
 633                 /* begin POP3 session */
 634                 inc_state = inc_pop3_session_do(session);
 635
 636                 switch (inc_state) {
 637                 case INC_SUCCESS:
 638                         if (pop3_session->cur_total_num > 0)
 639                                 msg = g_strdup_printf(
 640                                         ngettext("Done (%d message (%s) received)",
 641                                                  "Done (%d messages (%s) received)",
 642                                          pop3_session->cur_total_num),
 643                                          pop3_session->cur_total_num,
 644                                          to_human_readable((goffset)pop3_session->cur_total_recv_bytes));
 645                         else
 646                                 msg = g_strdup_printf(_("Done (no new messages)"));
 647                         SET_PIXMAP_AND_TEXT(okpix, msg);
 648                         g_free(msg);
 649                         break;
 650                 case INC_CONNECT_ERROR:
 651                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 652                         break;
 653                 case INC_AUTH_FAILED:
 654                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 655                         if (pop3_session->ac_prefs->session_passwd) {
 656                                 g_free(pop3_session->ac_prefs->session_passwd);
 657                                 pop3_session->ac_prefs->session_passwd = NULL;
 658                         }
 659                         break;
 660                 case INC_LOCKED:
 661                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 662                         break;
 663                 case INC_ERROR:
 664                 case INC_NO_SPACE:
 665                 case INC_IO_ERROR:
 666                 case INC_SOCKET_ERROR:
 667                 case INC_EOF:
 668                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 669                         break;
 670                 case INC_TIMEOUT:
 671                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 672                         break;
 673                 case INC_CANCEL:
 674                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 675                         if (!inc_dialog->show_dialog)
 676                                 cancelled = TRUE;
 677                         break;
 678                 default:
 679                         break;
 680                 }
 681
 682                 if (pop3_session->error_val == PS_AUTHFAIL) {
 683                         if(!prefs_common.no_recv_err_panel) {
 684                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 685                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 686                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 687                         }
 688                 }
 689
 690                 /* CLAWS: perform filtering actions on dropped message */
 691                 /* CLAWS: get default inbox (perhaps per account) */
 692                 if (pop3_session->ac_prefs->inbox) {
 693                         /* CLAWS: get destination folder / mailbox */
 694                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 695                         if (!inbox)
 696                                 inbox = folder_get_default_inbox();
 697                 } else
 698                         inbox = folder_get_default_inbox();
 699
 700                 /* get list of messages in processing */
 701                 processing = folder_get_default_processing();
 702                 folder_item_scan(processing);
 703                 msglist = folder_item_get_msg_list(processing);
 704
 705                 /* process messages */
 706                 folder_item_update_freeze();
 707
 708                 procmsg_msglist_filter(msglist, pop3_session->ac_prefs,
 709                                 &filtered, &unfiltered,
 710                                 pop3_session->ac_prefs->filter_on_recv);
 711
 712                 filtering_move_and_copy_msgs(msglist);
 713                 if (unfiltered != NULL)
 714                         folder_item_move_msgs(inbox, unfiltered);
 715
 716                 for(msglist_element = msglist; msglist_element != NULL;
 717                     msglist_element = msglist_element->next) {
 718                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 719                         procmsg_msginfo_free(msginfo);
 720                 }
 721                 folder_item_update_thaw();
 722
 723                 g_slist_free(msglist);
 724                 g_slist_free(filtered);
 725                 g_slist_free(unfiltered);
 726
 727                 statusbar_pop_all();
 728
 729                 new_msgs += pop3_session->cur_total_num;
 730
 731                 pop3_write_uidl_list(pop3_session);
 732
 733                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 734                         error_num++;
 735                         if (inc_dialog->show_dialog)
 736                                 manage_window_focus_in
 737                                         (inc_dialog->dialog->window,
 738                                          NULL, NULL);
 739                         inc_put_error(inc_state, pop3_session);
 740                         if (inc_dialog->show_dialog)
 741                                 manage_window_focus_out
 742                                         (inc_dialog->dialog->window,
 743                                          NULL, NULL);
 744                         if (inc_state == INC_NO_SPACE ||
 745                             inc_state == INC_IO_ERROR)
 746                                 break;
 747                 }
 748                 folder_item_free_cache(processing, TRUE);
 749
 750                 inc_session_destroy(session);
 751                 inc_dialog->queue_list =
 752                         g_list_remove(inc_dialog->queue_list, session);
 753         }
 754
 755 #undef SET_PIXMAP_AND_TEXT
 756
 757         if (new_msgs > 0)
 758                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 759                                                    "Finished (%d new messages)",
 760                                                    new_msgs), new_msgs);
 761         else
 762                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 763
 764         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 765
 766         while (inc_dialog->queue_list != NULL) {
 767                 session = inc_dialog->queue_list->data;
 768                 inc_session_destroy(session);
 769                 inc_dialog->queue_list =
 770                         g_list_remove(inc_dialog->queue_list, session);
 771         }
 772
 773         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 774                 inc_progress_dialog_destroy(inc_dialog);
 775         else {
 776                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 777                                      fin_msg);
 778                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 779                                      GTK_STOCK_CLOSE);
 780         }
 781
 782         g_free(fin_msg);
 783
 784         return new_msgs;
 785 }
 786
 787 static IncState inc_pop3_session_do(IncSession *session)
 788 {
 789         Pop3Session *pop3_session = POP3_SESSION(session->session);
 790         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 791         gchar *server;
 792         gchar *account_name;
 793         gushort port;
 794         gchar *buf;
 795
 796         debug_print("getting new messages of account %s...\n",
 797                     pop3_session->ac_prefs->account_name);
 798
 799         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 800
 801         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 802                               pop3_session->ac_prefs->recv_server);
 803         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 804         g_free(buf);
 805
 806         server = pop3_session->ac_prefs->recv_server;
 807         account_name = pop3_session->ac_prefs->account_name;
 808 #ifdef USE_GNUTLS
 809         port = pop3_session->ac_prefs->set_popport ?
 810                 pop3_session->ac_prefs->popport :
 811                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 812         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 813         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 814                 SESSION(pop3_session)->nonblocking =
 815                         pop3_session->ac_prefs->use_nonblocking_ssl;
 816 #else
 817         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 818                 if (alertpanel_full(_("Insecure connection"),
 819                         _("This connection is configured to be secured "
 820                           "using SSL, but SSL is not available in this "
 821                           "build of Claws Mail. \n\n"
 822                           "Do you want to continue connecting to this "
 823                           "server? The communication would not be "
 824                           "secure."),
 825                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 826                           NULL, FALSE, NULL, ALERT_WARNING,
 827                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 828                         return INC_CANCEL;
 829         }
 830         port = pop3_session->ac_prefs->set_popport ?
 831                 pop3_session->ac_prefs->popport : 110;
 832 #endif
 833
 834         buf = g_strdup_printf(_("Account '%s': Connecting to POP3 server: %s..."),
 835                                 account_name, server);
 836         statuswindow_print_all("%s", buf);
 837         log_message(LOG_PROTOCOL, "%s\n", buf);
 838
 839         progress_dialog_set_label(inc_dialog->dialog, buf);
 840         GTK_EVENTS_FLUSH();
 841         g_free(buf);
 842
 843         session_set_timeout(SESSION(pop3_session),
 844                             prefs_common.io_timeout_secs * 1000);
 845
 846         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 847                 if(!prefs_common.no_recv_err_panel) {
 848                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 849                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 850                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 851                         }
 852                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 853                                          server, port);
 854                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 855                 } else {
 856                         log_error(LOG_PROTOCOL, _("Can't connect to POP3 server: %s:%d\n"),
 857                             server, port);
 858                 }
 859                 session->inc_state = INC_CONNECT_ERROR;
 860                 statuswindow_pop_all();
 861                 return INC_CONNECT_ERROR;
 862         }
 863
 864         while (session_is_running(SESSION(pop3_session)) &&
 865                session->inc_state != INC_CANCEL)
 866                 gtk_main_iteration();
 867
 868         if (session->inc_state == INC_SUCCESS) {
 869                 switch (pop3_session->error_val) {
 870                 case PS_SUCCESS:
 871                         switch (SESSION(pop3_session)->state) {
 872                         case SESSION_ERROR:
 873                                 if (pop3_session->state == POP3_READY)
 874                                         session->inc_state = INC_CONNECT_ERROR;
 875                                 else
 876                                         session->inc_state = INC_ERROR;
 877                                 break;
 878                         case SESSION_EOF:
 879                                 session->inc_state = INC_EOF;
 880                                 break;
 881                         case SESSION_TIMEOUT:
 882                                 session->inc_state = INC_TIMEOUT;
 883                                 break;
 884                         default:
 885                                 session->inc_state = INC_SUCCESS;
 886                                 break;
 887                         }
 888                         break;
 889                 case PS_AUTHFAIL:
 890                         session->inc_state = INC_AUTH_FAILED;
 891                         break;
 892                 case PS_IOERR:
 893                         session->inc_state = INC_IO_ERROR;
 894                         break;
 895                 case PS_SOCKET:
 896                         session->inc_state = INC_SOCKET_ERROR;
 897                         break;
 898                 case PS_LOCKBUSY:
 899                         session->inc_state = INC_LOCKED;
 900                         break;
 901                 default:
 902                         session->inc_state = INC_ERROR;
 903                         break;
 904                 }
 905         }
 906
 907         session_disconnect(SESSION(pop3_session));
 908         statusbar_pop_all();
 909
 910         return session->inc_state;
 911 }
 912
 913 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 914                                        IncSession *inc_session)
 915 {
 916         inc_progress_dialog_set_label(inc_dialog, inc_session);
 917         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 918 }
 919
 920 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 921                                           IncSession *inc_session)
 922 {
 923         ProgressDialog *dialog = inc_dialog->dialog;
 924         Pop3Session *session;
 925
 926         cm_return_if_fail(inc_session != NULL);
 927
 928         session = POP3_SESSION(inc_session->session);
 929
 930         switch (session->state) {
 931         case POP3_GREETING:
 932                 break;
 933         case POP3_GETAUTH_USER:
 934         case POP3_GETAUTH_PASS:
 935         case POP3_GETAUTH_APOP:
 936                 progress_dialog_set_label(dialog, _("Authenticating..."));
 937                 statuswindow_pop_all();
 938                 statusbar_print_all(_("Retrieving messages from %s (%s) ..."),
 939                                     SESSION(session)->server,
 940                                     session->ac_prefs->account_name);
 941                 break;
 942         case POP3_GETRANGE_STAT:
 943                 progress_dialog_set_label
 944                         (dialog, _("Getting the number of new messages (STAT)..."));
 945                 break;
 946         case POP3_GETRANGE_LAST:
 947                 progress_dialog_set_label
 948                         (dialog, _("Getting the number of new messages (LAST)..."));
 949                 break;
 950         case POP3_GETRANGE_UIDL:
 951                 progress_dialog_set_label
 952                         (dialog, _("Getting the number of new messages (UIDL)..."));
 953                 break;
 954         case POP3_GETSIZE_LIST:
 955                 progress_dialog_set_label
 956                         (dialog, _("Getting the size of messages (LIST)..."));
 957                 break;
 958         case POP3_RETR:
 959         case POP3_RETR_RECV:
 960         case POP3_DELETE:
 961                 break;
 962         case POP3_LOGOUT:
 963                 progress_dialog_set_label(dialog, _("Quitting"));
 964                 break;
 965         default:
 966                 break;
 967         }
 968 }
 969
 970 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 971                                              IncSession *inc_session)
 972 {
 973         gchar buf[MSGBUFSIZE];
 974         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 975         gchar *total_size_str;
 976         gint cur_total;
 977         gint total;
 978
 979         if (!pop3_session->new_msg_exist) return;
 980
 981         cur_total = inc_session->cur_total_bytes;
 982         total = pop3_session->total_bytes;
 983         if (pop3_session->state == POP3_RETR ||
 984             pop3_session->state == POP3_RETR_RECV ||
 985             pop3_session->state == POP3_DELETE) {
 986                 Xstrdup_a(total_size_str, to_human_readable((goffset)total), return);
 987                 g_snprintf(buf, sizeof(buf),
 988                            _("Retrieving message (%d / %d) (%s / %s)"),
 989                            pop3_session->cur_msg, pop3_session->count,
 990                            to_human_readable((goffset)cur_total), total_size_str);
 991                 progress_dialog_set_label(inc_dialog->dialog, buf);
 992         }
 993
 994         progress_dialog_set_fraction
 995                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 996
 997         statusbar_progress_all(pop3_session->cur_msg, pop3_session->count, 1);
 998
 999         if (pop3_session->cur_total_num > 0) {
1000                 g_snprintf(buf, sizeof(buf),
1001                            ngettext("Retrieving (%d message (%s) received)",
1002                                     "Retrieving (%d messages (%s) received)",
1003                                     pop3_session->cur_total_num),
1004                            pop3_session->cur_total_num,
1005                            to_human_readable
1006                            ((goffset)pop3_session->cur_total_recv_bytes));
1007                 progress_dialog_list_set_status(inc_dialog->dialog,
1008                                                 inc_dialog->cur_row,
1009                                                 buf);
1010         }
1011 }
1012
1013 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
1014                                                 IncSession *inc_session)
1015 {
1016         GTimeVal tv_cur;
1017         GTimeVal tv_result;
1018         gint msec;
1019
1020         g_get_current_time(&tv_cur);
1021
1022         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
1023         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
1024         if (tv_result.tv_usec < 0) {
1025                 tv_result.tv_sec--;
1026                 tv_result.tv_usec += G_USEC_PER_SEC;
1027         }
1028
1029         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
1030         if (msec > PROGRESS_UPDATE_INTERVAL) {
1031                 inc_progress_dialog_update(inc_dialog, inc_session);
1032                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
1033                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
1034         }
1035 }
1036
1037 static gint inc_recv_data_progressive(Session *session, guint cur_len,
1038                                       guint total_len, gpointer data)
1039 {
1040         IncSession *inc_session = (IncSession *)data;
1041         Pop3Session *pop3_session = POP3_SESSION(session);
1042         IncProgressDialog *inc_dialog;
1043         gint cur_total;
1044
1045         cm_return_val_if_fail(inc_session != NULL, -1);
1046
1047         if (pop3_session->state != POP3_RETR &&
1048             pop3_session->state != POP3_RETR_RECV &&
1049             pop3_session->state != POP3_DELETE &&
1050             pop3_session->state != POP3_LOGOUT) return 0;
1051
1052         if (!pop3_session->new_msg_exist) return 0;
1053
1054         cur_total = pop3_session->cur_total_bytes + cur_len;
1055         if (cur_total > pop3_session->total_bytes)
1056                 cur_total = pop3_session->total_bytes;
1057         inc_session->cur_total_bytes = cur_total;
1058
1059         inc_dialog = (IncProgressDialog *)inc_session->data;
1060         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
1061
1062         return 0;
1063 }
1064
1065 static gint inc_recv_data_finished(Session *session, guint len, 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         inc_recv_data_progressive(session, 0, 0, inc_session);
1075
1076         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1077                 inc_progress_dialog_update(inc_dialog, inc_session);
1078         }
1079
1080         return 0;
1081 }
1082
1083 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1084 {
1085         IncSession *inc_session = (IncSession *)data;
1086         IncProgressDialog *inc_dialog;
1087
1088         cm_return_val_if_fail(inc_session != NULL, -1);
1089
1090         inc_dialog = (IncProgressDialog *)inc_session->data;
1091
1092         switch (POP3_SESSION(session)->state) {
1093         case POP3_GETAUTH_USER:
1094         case POP3_GETAUTH_PASS:
1095         case POP3_GETAUTH_APOP:
1096         case POP3_GETRANGE_STAT:
1097         case POP3_GETRANGE_LAST:
1098         case POP3_GETRANGE_UIDL:
1099         case POP3_GETSIZE_LIST:
1100                 inc_progress_dialog_update(inc_dialog, inc_session);
1101                 break;
1102         case POP3_RETR:
1103                 inc_recv_data_progressive(session, 0, 0, inc_session);
1104                 break;
1105         case POP3_LOGOUT:
1106                 inc_progress_dialog_update(inc_dialog, inc_session);
1107                 break;
1108         default:
1109                 break;
1110         }
1111
1112         return 0;
1113 }
1114
1115 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1116 {
1117         FolderItem *inbox;
1118         FolderItem *dropfolder;
1119         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1120         gint msgnum;
1121
1122         cm_return_val_if_fail(inc_session != NULL, -1);
1123
1124         if (session->ac_prefs->inbox) {
1125                 inbox = folder_find_item_from_identifier
1126                         (session->ac_prefs->inbox);
1127                 if (!inbox)
1128                         inbox = folder_get_default_inbox();
1129         } else
1130                 inbox = folder_get_default_inbox();
1131         if (!inbox) {
1132                 claws_unlink(file);
1133                 return -1;
1134         }
1135
1136         /* CLAWS: claws uses a global .processing folder for the filtering. */
1137         dropfolder = folder_get_default_processing();
1138
1139         /* add msg file to drop folder */
1140         if ((msgnum = folder_item_add_msg(
1141                         dropfolder, file, NULL, TRUE)) < 0) {
1142                 claws_unlink(file);
1143                 return -1;
1144         }
1145
1146         return 0;
1147 }
1148
1149 static void inc_put_error(IncState istate, Pop3Session *session)
1150 {
1151         gchar *log_msg = NULL;
1152         gchar *err_msg = NULL;
1153         gboolean fatal_error = FALSE;
1154
1155         switch (istate) {
1156         case INC_CONNECT_ERROR:
1157                 log_msg = _("Connection failed.");
1158                 fatal_error = TRUE;
1159                 if (prefs_common.no_recv_err_panel)
1160                         break;
1161                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1162                                           SESSION(session)->server,
1163                                           SESSION(session)->port);
1164                 break;
1165         case INC_ERROR:
1166                 log_msg = _("Error occurred while processing mail.");
1167                 fatal_error = TRUE;
1168                 if (prefs_common.no_recv_err_panel)
1169                         break;
1170                 if (session->error_msg)
1171                         err_msg = g_strdup_printf
1172                                 (_("Error occurred while processing mail:\n%s"),
1173                                  session->error_msg);
1174                 else
1175                         err_msg = g_strdup(log_msg);
1176                 break;
1177         case INC_NO_SPACE:
1178                 log_msg = _("No disk space left.");
1179                 err_msg = g_strdup(log_msg);
1180                 fatal_error = TRUE;
1181                 break;
1182         case INC_IO_ERROR:
1183                 log_msg = _("Can't write file.");
1184                 err_msg = g_strdup(log_msg);
1185                 fatal_error = TRUE;
1186                 break;
1187         case INC_SOCKET_ERROR:
1188                 log_msg = _("Socket error.");
1189                 if (prefs_common.no_recv_err_panel)
1190                         break;
1191                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1192                                           SESSION(session)->server,
1193                                           SESSION(session)->port);
1194                 break;
1195         case INC_EOF:
1196                 log_msg = _("Connection closed by the remote host.");
1197                 if (prefs_common.no_recv_err_panel)
1198                         break;
1199                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1200                                           SESSION(session)->server,
1201                                           SESSION(session)->port);
1202                 break;
1203         case INC_LOCKED:
1204                 log_msg = _("Mailbox is locked.");
1205                 if (prefs_common.no_recv_err_panel)
1206                         break;
1207                 if (session->error_msg)
1208                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1209                                                   session->error_msg);
1210                 else
1211                         err_msg = g_strdup(log_msg);
1212                 break;
1213         case INC_AUTH_FAILED:
1214                 log_msg = _("Authentication failed.");
1215                 fatal_error = TRUE;
1216                 if (prefs_common.no_recv_err_panel)
1217                         break;
1218                 if (session->error_msg)
1219                         err_msg = g_strdup_printf
1220                                 (_("Authentication failed:\n%s"), session->error_msg);
1221                 else
1222                         err_msg = g_strdup(log_msg);
1223                 break;
1224         case INC_TIMEOUT:
1225                 log_msg = _("Session timed out. You may be able to "
1226                             "recover by increasing the timeout value in "
1227                             "Preferences/Other/Miscellaneous.");
1228                 if (prefs_common.no_recv_err_panel)
1229                         break;
1230                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1231                                           SESSION(session)->server,
1232                                           SESSION(session)->port);
1233                 break;
1234         default:
1235                 break;
1236         }
1237
1238         if (log_msg) {
1239                 if (fatal_error)
1240                         log_error(LOG_PROTOCOL, "%s\n", log_msg);
1241                 else
1242                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
1243         }
1244         if (prefs_common.no_recv_err_panel && fatal_error)
1245                 mainwindow_show_error();
1246
1247         if (err_msg) {
1248                 alertpanel_error_log("%s", err_msg);
1249                 g_free(err_msg);
1250         }
1251 }
1252
1253 static void inc_cancel(IncProgressDialog *dialog)
1254 {
1255         IncSession *session;
1256
1257         cm_return_if_fail(dialog != NULL);
1258
1259         if (dialog->queue_list == NULL) {
1260                 inc_progress_dialog_destroy(dialog);
1261                 return;
1262         }
1263
1264         session = dialog->queue_list->data;
1265
1266         session->inc_state = INC_CANCEL;
1267
1268         log_message(LOG_PROTOCOL, _("Incorporation cancelled\n"));
1269 }
1270
1271 gboolean inc_is_active(void)
1272 {
1273         return (inc_dialog_list != NULL);
1274 }
1275
1276 void inc_cancel_all(void)
1277 {
1278         GList *cur;
1279
1280         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1281                 inc_cancel((IncProgressDialog *)cur->data);
1282 }
1283
1284 static void inc_showlog_cb(GtkWidget *widget, gpointer data)
1285 {
1286         MainWindow *mainwin = mainwindow_get_mainwindow();
1287
1288         log_window_show(mainwin->logwin);
1289 }
1290
1291 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1292 {
1293         inc_cancel((IncProgressDialog *)data);
1294 }
1295
1296 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1297                                  gpointer data)
1298 {
1299         IncProgressDialog *dialog = (IncProgressDialog *)data;
1300
1301         if (dialog->queue_list == NULL)
1302                 inc_progress_dialog_destroy(dialog);
1303
1304         return TRUE;
1305 }
1306
1307 static gint inc_spool_account(PrefsAccount *account)
1308 {
1309         FolderItem *inbox;
1310         gchar *mbox;
1311         gint result;
1312
1313         if (account->local_inbox) {
1314                 inbox = folder_find_item_from_identifier(account->local_inbox);
1315                 if (!inbox)
1316                         inbox = folder_get_default_inbox();
1317         } else
1318                 inbox = folder_get_default_inbox();
1319
1320         if (account->local_mbox) {
1321                 if (is_file_exist(account->local_mbox))
1322                         mbox = g_strdup(account->local_mbox);
1323                 else if (is_dir_exist(account->local_mbox))
1324                         mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1325                                            g_get_user_name(), NULL);
1326                 else {
1327                         debug_print("%s: local mailbox not found.\n",
1328                                     account->local_mbox);
1329                         return -1;
1330                 }
1331         } else {
1332                 debug_print("local mailbox not set in account info.\n");
1333                 return -1;
1334         }
1335
1336         result = get_spool(inbox, mbox, account);
1337         g_free(mbox);
1338
1339         statusbar_pop_all();
1340
1341         return result;
1342 }
1343
1344 static gint inc_all_spool(void)
1345 {
1346         GList *list = NULL;
1347         gint new_msgs = 0;
1348         gint account_new_msgs = 0;
1349
1350         list = account_get_list();
1351         if (!list) return 0;
1352
1353         for (; list != NULL; list = list->next) {
1354                 PrefsAccount *account = list->data;
1355
1356                 if ((account->protocol == A_LOCAL) &&
1357                     (account->recv_at_getall)) {
1358                         account_new_msgs = inc_spool_account(account);
1359                         if (account_new_msgs > 0)
1360                                 new_msgs += account_new_msgs;
1361                 }
1362         }
1363
1364         return new_msgs;
1365 }
1366
1367 static gint get_spool(FolderItem *dest, const gchar *mbox, PrefsAccount *account)
1368 {
1369         gint msgs, size;
1370         gint lockfd;
1371         gchar tmp_mbox[MAXPATHLEN + 1];
1372
1373         cm_return_val_if_fail(dest != NULL, -1);
1374         cm_return_val_if_fail(mbox != NULL, -1);
1375         cm_return_val_if_fail(account != NULL, -1);
1376
1377         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1378                 debug_print("%s: no messages in local mailbox.\n", mbox);
1379                 return 0;
1380         } else if (size < 0)
1381                 return -1;
1382
1383         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1384                 return -1;
1385
1386         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%p",
1387                    get_tmp_dir(), G_DIR_SEPARATOR, mbox);
1388
1389         if (copy_mbox(lockfd, tmp_mbox) < 0) {
1390                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1391                 return -1;
1392         }
1393
1394         debug_print("Getting new messages from %s into %s...\n",
1395                     mbox, dest->path);
1396
1397         msgs = proc_mbox(dest, tmp_mbox, account->filter_on_recv, account);
1398
1399         claws_unlink(tmp_mbox);
1400         if (msgs >= 0) empty_mbox(mbox);
1401         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1402
1403         return msgs;
1404 }
1405
1406 void inc_lock_real(void)
1407 {
1408         inc_lock_count++;
1409 }
1410
1411 void inc_unlock_real(void)
1412 {
1413         if (inc_lock_count > 0)
1414                 inc_lock_count--;
1415 }
1416
1417 static guint autocheck_timer = 0;
1418 static gpointer autocheck_data = NULL;
1419
1420 #ifdef MAEMO
1421 osso_context_t *get_osso_context(void);
1422 #endif
1423
1424 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1425 {
1426 #ifndef MAEMO
1427         gchar *buf, *numpos, *ret_str;
1428         gssize by_read = 0, by_written = 0;
1429
1430         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1431             *prefs_common.newmail_notify_cmd))
1432                      return;
1433
1434         buf = g_strdup(prefs_common.newmail_notify_cmd);
1435         if ((numpos = strstr(buf, "%d")) != NULL) {
1436                 gchar *buf2;
1437
1438                 *numpos = '\0';
1439                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1440                 g_free(buf);
1441                 buf = buf2;
1442         }
1443
1444         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1445                                      NULL);
1446         if (ret_str && by_written) {
1447                 g_free(buf);
1448                 buf = ret_str;
1449         }
1450         debug_print("executing new mail notification command: %s\n", buf);
1451         execute_command_line(buf, TRUE);
1452
1453         g_free(buf);
1454
1455 #else
1456         if (new_msgs) {
1457                 if (prefs_common.maemo_play_sound)
1458                         hildon_play_system_sound("/usr/share/sounds/ui-new_email.wav");
1459                 if (prefs_common.maemo_show_banner) {
1460                         gchar *info = g_strdup_printf(ngettext("Claws Mail: %d new message",
1461                                                    "Claws Mail: %d new messages",
1462                                                    new_msgs), new_msgs);
1463                         osso_system_note_infoprint(get_osso_context(), info, NULL);
1464                         g_free(info);
1465                 }
1466         }
1467 #endif
1468 }
1469
1470 #if (defined(MAEMO) && defined(CONIC))
1471 static void maemo_connection_event(ConIcConnection *connection,
1472                                    ConIcConnectionEvent *event,
1473                                    gpointer user_data)
1474 {
1475         ConIcConnectionStatus status =
1476                 con_ic_connection_event_get_status(event);
1477         MainWindow *mainwin = (MainWindow *)user_data;
1478         switch(status) {
1479         case CON_IC_STATUS_CONNECTED:
1480                 debug_print("we're connected\n");
1481                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1482                 break;
1483         default:
1484                 debug_print("we're disconnected\n");
1485                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1486                 maemo_warned_offline = FALSE;
1487                 break;
1488         }
1489 }
1490
1491 #endif
1492
1493 void inc_autocheck_timer_init(MainWindow *mainwin)
1494 {
1495 #if (defined(MAEMO) && defined(CONIC))
1496         GValue *val = g_new0(GValue, 1);
1497         maemo_connection = con_ic_connection_new();
1498
1499         g_value_init(val, G_TYPE_BOOLEAN);
1500         g_value_set_boolean(val, TRUE);
1501         g_object_set_property(G_OBJECT(maemo_connection),
1502                         "automatic-connection-events", val);
1503         g_free(val);
1504         g_signal_connect (maemo_connection, "connection-event",
1505                           G_CALLBACK(maemo_connection_event), mainwin);
1506         con_ic_connection_connect (maemo_connection,
1507                 CON_IC_CONNECT_FLAG_AUTOMATICALLY_TRIGGERED);
1508         autocheck_data = mainwin;
1509 #else
1510         autocheck_data = mainwin;
1511         inc_autocheck_timer_set();
1512 #endif
1513 }
1514
1515 static void inc_autocheck_timer_set_interval(guint interval)
1516 {
1517         inc_autocheck_timer_remove();
1518         /* last test is to avoid re-enabling auto_check after modifying
1519            the common preferences */
1520         if (prefs_common.autochk_newmail && autocheck_data
1521             && prefs_common.work_offline == FALSE) {
1522 #if GLIB_CHECK_VERSION(2,14,0)
1523                 if (interval % 1000 == 0)
1524                         autocheck_timer =
1525                                 g_timeout_add_seconds(interval/1000, inc_autocheck_func, autocheck_data);
1526                 else
1527 #endif
1528                 autocheck_timer = g_timeout_add
1529                         (interval, inc_autocheck_func, autocheck_data);
1530                 debug_print("added timer = %d\n", autocheck_timer);
1531         }
1532 }
1533
1534 void inc_autocheck_timer_set(void)
1535 {
1536         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1537 #if (defined(MAEMO) && defined(CONIC))
1538         con_ic_connection_connect (maemo_connection,
1539                 CON_IC_CONNECT_FLAG_AUTOMATICALLY_TRIGGERED);
1540 #endif
1541 }
1542
1543 void inc_autocheck_timer_remove(void)
1544 {
1545         if (autocheck_timer) {
1546                 debug_print("removed timer = %d\n", autocheck_timer);
1547                 g_source_remove(autocheck_timer);
1548                 autocheck_timer = 0;
1549         }
1550 }
1551
1552 static gint inc_autocheck_func(gpointer data)
1553 {
1554         MainWindow *mainwin = (MainWindow *)data;
1555
1556         if (inc_lock_count) {
1557                 debug_print("autocheck is locked.\n");
1558                 inc_autocheck_timer_set_interval(1000);
1559                 return FALSE;
1560         }
1561
1562         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1563
1564         return FALSE;
1565 }
1566
1567 gboolean inc_offline_should_override(gboolean force_ask, const gchar *msg)
1568 {
1569         static time_t overridden_yes = 0;
1570         static time_t overridden_no  = 0;
1571         int length = 10; /* minutes */
1572         gint answer = G_ALERTDEFAULT;
1573
1574 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1575         /* If no network connection is available, override is not possible */
1576         if(!networkmanager_is_online(NULL))
1577                 return FALSE;
1578 #endif
1579
1580 #if (defined(MAEMO) && defined(CONIC))
1581         if (prefs_common.work_offline) {
1582                 if (force_ask && !maemo_warned_offline) {
1583                         if (mainwindow_get_mainwindow())
1584                                 hildon_banner_show_information(
1585                                         mainwindow_get_mainwindow()->window,
1586                                         NULL,
1587                                         _("Unable to connect: you are offline."));
1588                         maemo_warned_offline = TRUE;
1589                 }
1590                 return FALSE;
1591         } else {
1592                 return TRUE;
1593         }
1594 #endif
1595
1596         if (prefs_common.autochk_newmail)
1597                 length = prefs_common.autochk_itv; /* minutes */
1598
1599         if (force_ask) {
1600                 overridden_no = (time_t)0;
1601         }
1602
1603         if (prefs_common.work_offline) {
1604                 gchar *tmp = NULL;
1605
1606                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1607                          return TRUE;
1608                 else if (time(NULL) - overridden_no < length * 60) /* seconds */
1609                          return FALSE;
1610
1611                 if (!force_ask)
1612                         tmp = g_strdup_printf(
1613                                 _("%s%sYou're working offline. Override for %d minutes?"),
1614                                 msg?msg:"",
1615                                 msg?"\n\n":"",
1616                                 length);
1617                 else
1618                         tmp = g_strdup_printf(
1619                                 _("%s%sYou're working offline. Override?"),
1620                                 msg?msg:"",
1621                                 msg?"\n\n":"");
1622
1623                 answer = alertpanel(_("Offline warning"),
1624                                tmp,
1625                                GTK_STOCK_NO, "+" GTK_STOCK_YES,
1626                                 !force_ask? _("On_ly once"):NULL);
1627                 g_free(tmp);
1628                 if (answer == G_ALERTALTERNATE) {
1629                         overridden_yes = time(NULL);
1630                         return TRUE;
1631                 } else if (answer == G_ALERTDEFAULT) {
1632                         if (!force_ask)
1633                                 overridden_no  = time(NULL);
1634                         return FALSE;
1635                 } else {
1636                         overridden_yes = (time_t)0;
1637                         overridden_no  = (time_t)0;
1638                         return TRUE;
1639                 }
1640         }
1641         return TRUE;
1642 }