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 MESSAGEBUFSIZE  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 }
 166
 167 /**
 168  * inc_finished:
 169  * @mainwin: Main window.
 170  * @new_messages: TRUE if some messages have been received.
 171  *
 172  * Update the folder view and the summary view after receiving
 173  * messages.  If @new_messages is FALSE, this function avoids unneeded
 174  * updating.
 175  **/
 176 static void inc_finished(MainWindow *mainwin, gboolean new_messages, gboolean autocheck)
 177 {
 178         if (prefs_common.scan_all_after_inc)
 179                 folderview_check_new(NULL);
 180
 181         if (!autocheck && new_messages && prefs_common.open_inbox_on_inc) {
 182                 FolderItem *item = NULL;
 183
 184                 if (cur_account && cur_account->inbox)
 185                         item = folder_find_item_from_identifier(cur_account->inbox);
 186                 if (item == NULL && cur_account && cur_account->folder)
 187                         item = cur_account->folder->inbox;
 188                 if (item == NULL)
 189                         item = folder_get_default_inbox();
 190
 191                 folderview_unselect(mainwin->folderview);
 192                 folderview_select(mainwin->folderview, item);
 193         }
 194 }
 195
 196 void inc_mail(MainWindow *mainwin, gboolean notify)
 197 {
 198         gint new_msgs = 0;
 199         gint account_new_msgs = 0;
 200
 201         if (inc_lock_count) return;
 202
 203         if (prefs_common.work_offline &&
 204             !inc_offline_should_override(TRUE,
 205                 _("Claws Mail needs network access in order "
 206                   "to get mails.")))
 207                 return;
 208
 209         inc_lock();
 210         inc_autocheck_timer_remove();
 211         main_window_lock(mainwin);
 212
 213         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 214                 /* external incorporating program */
 215                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 216                         main_window_unlock(mainwin);
 217                         inc_autocheck_timer_set();
 218                         inc_unlock();
 219                         return;
 220                 }
 221         } else {
 222                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 223                 if (account_new_msgs > 0)
 224                         new_msgs += account_new_msgs;
 225         }
 226
 227         inc_update_stats(new_msgs);
 228         inc_finished(mainwin, new_msgs > 0, FALSE);
 229         main_window_unlock(mainwin);
 230         inc_notify_cmd(new_msgs, notify);
 231         inc_autocheck_timer_set();
 232         inc_unlock();
 233 }
 234
 235 void inc_pop_before_smtp(PrefsAccount *acc)
 236 {
 237         IncProgressDialog *inc_dialog;
 238         IncSession *session;
 239         MainWindow *mainwin;
 240
 241         mainwin = mainwindow_get_mainwindow();
 242
 243         session = inc_session_new(acc);
 244         if (!session) return;
 245         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 246
 247         inc_dialog = inc_progress_dialog_create(FALSE);
 248         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 249                                                session);
 250         /* FIXME: assumes to attach to first main window */
 251         inc_dialog->mainwin = mainwin;
 252         inc_progress_dialog_set_list(inc_dialog);
 253
 254         if (mainwin) {
 255                 toolbar_main_set_sensitive(mainwin);
 256                 main_window_set_menu_sensitive(mainwin);
 257         }
 258
 259         inc_start(inc_dialog);
 260 }
 261
 262 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 263 {
 264         IncProgressDialog *inc_dialog;
 265         IncSession *session;
 266
 267         switch (account->protocol) {
 268         case A_IMAP4:
 269         case A_NNTP:
 270                 /* Melvin: bug [14]
 271                  * FIXME: it should return foldeview_check_new() value.
 272                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 273                  * an incorrect new message count)
 274                  */
 275                 folderview_check_new(FOLDER(account->folder));
 276                 return 0;
 277         case A_POP3:
 278         case A_APOP:
 279                 session = inc_session_new(account);
 280                 if (!session) return 0;
 281
 282                 inc_dialog = inc_progress_dialog_create(FALSE);
 283                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 284                                                        session);
 285                 inc_dialog->mainwin = mainwin;
 286                 inc_progress_dialog_set_list(inc_dialog);
 287
 288                 if (mainwin) {
 289                         toolbar_main_set_sensitive(mainwin);
 290                         main_window_set_menu_sensitive(mainwin);
 291                 }
 292
 293                 return inc_start(inc_dialog);
 294
 295         case A_LOCAL:
 296                 return inc_spool_account(account);
 297
 298         default:
 299                 break;
 300         }
 301         return 0;
 302 }
 303
 304 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 305 {
 306         gint new_msgs;
 307
 308         if (inc_lock_count) return 0;
 309
 310         if (prefs_common.work_offline &&
 311             !inc_offline_should_override(TRUE,
 312                 _("Claws Mail needs network access in order "
 313                   "to get mails.")))
 314                 return 0;
 315
 316         inc_autocheck_timer_remove();
 317         main_window_lock(mainwin);
 318
 319         new_msgs = inc_account_mail_real(mainwin, account);
 320
 321         inc_update_stats(new_msgs);
 322         inc_finished(mainwin, new_msgs > 0, FALSE);
 323         main_window_unlock(mainwin);
 324         inc_autocheck_timer_set();
 325
 326         return new_msgs;
 327 }
 328
 329 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 330                           gboolean notify)
 331 {
 332         GList *list, *queue_list = NULL;
 333         IncProgressDialog *inc_dialog;
 334         gint new_msgs = 0;
 335         gint account_new_msgs = 0;
 336
 337         if (prefs_common.work_offline &&
 338             !inc_offline_should_override( (autocheck == FALSE),
 339                 _("Claws Mail needs network access in order "
 340                   "to get mails.")))
 341                 return;
 342
 343         if (inc_lock_count) return;
 344
 345         inc_autocheck_timer_remove();
 346         main_window_lock(mainwin);
 347
 348         list = account_get_list();
 349         if (!list) {
 350                 inc_update_stats(new_msgs);
 351                 inc_finished(mainwin, new_msgs > 0, autocheck);
 352                 main_window_unlock(mainwin);
 353                 inc_notify_cmd(new_msgs, notify);
 354                 inc_autocheck_timer_set();
 355                 return;
 356         }
 357
 358         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 359                 /* external incorporating program */
 360                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 361                         log_error(LOG_PROTOCOL, _("%s failed\n"), prefs_common.extinc_cmd);
 362
 363                         main_window_unlock(mainwin);
 364                         inc_autocheck_timer_set();
 365                         return;
 366                 }
 367         }
 368
 369         /* check local folders */
 370         account_new_msgs = inc_all_spool();
 371         if (account_new_msgs > 0)
 372                 new_msgs += account_new_msgs;
 373
 374         /* check IMAP4 / News folders */
 375         for (list = account_get_list(); list != NULL; list = list->next) {
 376                 PrefsAccount *account = list->data;
 377                 if ((account->protocol == A_IMAP4 ||
 378                      account->protocol == A_NNTP) && account->recv_at_getall) {
 379                         new_msgs += folderview_check_new(FOLDER(account->folder));
 380                 }
 381         }
 382
 383         /* check POP3 accounts */
 384         for (list = account_get_list(); list != NULL; list = list->next) {
 385                 IncSession *session;
 386                 PrefsAccount *account = list->data;
 387
 388                 if (account->recv_at_getall) {
 389                         session = inc_session_new(account);
 390                         if (session)
 391                                 queue_list = g_list_append(queue_list, session);
 392                 }
 393         }
 394
 395         if (queue_list) {
 396                 inc_dialog = inc_progress_dialog_create(autocheck);
 397                 inc_dialog->queue_list = queue_list;
 398                 inc_dialog->mainwin = mainwin;
 399                 inc_progress_dialog_set_list(inc_dialog);
 400
 401                 toolbar_main_set_sensitive(mainwin);
 402                 main_window_set_menu_sensitive(mainwin);
 403                 new_msgs += inc_start(inc_dialog);
 404         }
 405
 406         inc_update_stats(new_msgs);
 407         inc_finished(mainwin, new_msgs > 0, autocheck);
 408         main_window_unlock(mainwin);
 409         inc_notify_cmd(new_msgs, notify);
 410         inc_autocheck_timer_set();
 411 }
 412
 413 static void inc_progress_dialog_size_allocate_cb(GtkWidget *widget,
 414                                          GtkAllocation *allocation)
 415 {
 416         cm_return_if_fail(allocation != NULL);
 417
 418         prefs_common.receivewin_width = allocation->width;
 419         prefs_common.receivewin_height = allocation->height;
 420 }
 421
 422 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 423 {
 424         IncProgressDialog *dialog;
 425         ProgressDialog *progress;
 426         static GdkGeometry geometry;
 427
 428         dialog = g_new0(IncProgressDialog, 1);
 429
 430         progress = progress_dialog_create();
 431         gtk_window_set_title(GTK_WINDOW(progress->window),
 432                              _("Retrieving new messages"));
 433         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 434                          G_CALLBACK(inc_showlog_cb), dialog);
 435         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 436                          G_CALLBACK(inc_cancel_cb), dialog);
 437         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 438                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 439         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 440                          G_CALLBACK(inc_progress_dialog_size_allocate_cb), NULL);
 441         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 442
 443         progress_dialog_get_fraction(progress);
 444
 445         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 446                          &okpix);
 447         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 448                          &currentpix);
 449         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 450                          &errorpix);
 451
 452         if (!geometry.min_height) {
 453                 geometry.min_width = 460;
 454                 geometry.min_height = 250;
 455         }
 456
 457         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 458                                       GDK_HINT_MIN_SIZE);
 459         gtk_widget_set_size_request(progress->window, prefs_common.receivewin_width,
 460                                     prefs_common.receivewin_height);
 461
 462         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 463             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 464              !autocheck)) {
 465                 dialog->show_dialog = TRUE;
 466                 gtk_widget_show_now(progress->window);
 467         }
 468
 469         dialog->dialog = progress;
 470         g_get_current_time(&dialog->progress_tv);
 471         g_get_current_time(&dialog->folder_tv);
 472         dialog->queue_list = NULL;
 473         dialog->cur_row = 0;
 474
 475         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 476
 477         return dialog;
 478 }
 479
 480 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 481 {
 482         GList *list;
 483
 484         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 485                 IncSession *session = list->data;
 486                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 487
 488                 session->data = inc_dialog;
 489
 490                 progress_dialog_list_set(inc_dialog->dialog,
 491                                          -1, NULL,
 492                                          pop3_session->ac_prefs->account_name,
 493                                          _("Standby"));
 494         }
 495 }
 496
 497 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 498 {
 499         progress_dialog_get_fraction(inc_dialog->dialog);
 500         progress_dialog_set_label(inc_dialog->dialog, "");
 501         if (inc_dialog->mainwin)
 502                 main_window_progress_off(inc_dialog->mainwin);
 503 }
 504
 505 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 506 {
 507         cm_return_if_fail(inc_dialog != NULL);
 508
 509         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 510
 511         if (inc_dialog->mainwin)
 512                 main_window_progress_off(inc_dialog->mainwin);
 513         progress_dialog_destroy(inc_dialog->dialog);
 514
 515         g_free(inc_dialog);
 516 }
 517
 518 static IncSession *inc_session_new(PrefsAccount *account)
 519 {
 520         IncSession *session;
 521
 522         cm_return_val_if_fail(account != NULL, NULL);
 523
 524         if (account->protocol != A_POP3)
 525                 return NULL;
 526         if (!account->recv_server || !account->userid)
 527                 return NULL;
 528
 529         session = g_new0(IncSession, 1);
 530
 531         session->session = pop3_session_new(account);
 532         session->session->data = session;
 533         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 534         session_set_recv_message_notify(session->session,
 535                                         inc_recv_message, session);
 536         session_set_recv_data_progressive_notify(session->session,
 537                                                  inc_recv_data_progressive,
 538                                                  session);
 539         session_set_recv_data_notify(session->session,
 540                                      inc_recv_data_finished, session);
 541
 542         return session;
 543 }
 544
 545 static void inc_session_destroy(IncSession *session)
 546 {
 547         cm_return_if_fail(session != NULL);
 548
 549         session_destroy(session->session);
 550         g_free(session);
 551 }
 552
 553 static gint inc_start(IncProgressDialog *inc_dialog)
 554 {
 555         IncSession *session;
 556         GList *qlist;
 557         Pop3Session *pop3_session;
 558         IncState inc_state;
 559         gint error_num = 0;
 560         gint new_msgs = 0;
 561         gchar *msg;
 562         gchar *fin_msg;
 563         FolderItem *processing, *inbox;
 564         GSList *msglist, *msglist_element;
 565         gboolean cancelled = FALSE;
 566
 567         qlist = inc_dialog->queue_list;
 568         while (qlist != NULL) {
 569                 GList *next = qlist->next;
 570
 571                 session = qlist->data;
 572                 pop3_session = POP3_SESSION(session->session);
 573                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 574                 if (pop3_session->ac_prefs->passwd)
 575                         pop3_session->pass =
 576                                 g_strdup(pop3_session->ac_prefs->passwd);
 577                 else {
 578                         gchar *pass;
 579
 580                         if (inc_dialog->show_dialog)
 581                                 manage_window_focus_in
 582                                         (inc_dialog->dialog->window,
 583                                          NULL, NULL);
 584
 585                         pass = input_dialog_query_password_keep
 586                                 (pop3_session->ac_prefs->recv_server,
 587                                  pop3_session->user,
 588                                  &(pop3_session->ac_prefs->session_passwd));
 589
 590                         if (inc_dialog->show_dialog)
 591                                 manage_window_focus_out
 592                                         (inc_dialog->dialog->window,
 593                                          NULL, NULL);
 594
 595                         if (pass) {
 596                                 pop3_session->pass = pass;
 597                         }
 598                 }
 599
 600                 qlist = next;
 601         }
 602
 603 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 604 {                                                                          \
 605         progress_dialog_list_set(inc_dialog->dialog,                       \
 606                                  inc_dialog->cur_row,                      \
 607                                  pix,                                      \
 608                                  NULL,                                     \
 609                                  str);                                     \
 610 }
 611
 612         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 613                 session = inc_dialog->queue_list->data;
 614                 pop3_session = POP3_SESSION(session->session);
 615                 GSList *filtered, *unfiltered;
 616
 617                 if (pop3_session->pass == NULL) {
 618                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 619                         inc_session_destroy(session);
 620                         inc_dialog->queue_list =
 621                                 g_list_remove(inc_dialog->queue_list, session);
 622                         continue;
 623                 }
 624
 625                 inc_progress_dialog_clear(inc_dialog);
 626                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 627                                               inc_dialog->cur_row);
 628
 629                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 630
 631                 /* begin POP3 session */
 632                 inc_state = inc_pop3_session_do(session);
 633
 634                 switch (inc_state) {
 635                 case INC_SUCCESS:
 636                         if (pop3_session->cur_total_num > 0)
 637                                 msg = g_strdup_printf(
 638                                         ngettext("Done (%d message (%s) received)",
 639                                                  "Done (%d messages (%s) received)",
 640                                          pop3_session->cur_total_num),
 641                                          pop3_session->cur_total_num,
 642                                          to_human_readable((goffset)pop3_session->cur_total_recv_bytes));
 643                         else
 644                                 msg = g_strdup_printf(_("Done (no new messages)"));
 645                         SET_PIXMAP_AND_TEXT(okpix, msg);
 646                         g_free(msg);
 647                         break;
 648                 case INC_CONNECT_ERROR:
 649                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 650                         break;
 651                 case INC_AUTH_FAILED:
 652                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 653                         if (pop3_session->ac_prefs->session_passwd) {
 654                                 g_free(pop3_session->ac_prefs->session_passwd);
 655                                 pop3_session->ac_prefs->session_passwd = NULL;
 656                         }
 657                         break;
 658                 case INC_LOCKED:
 659                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 660                         break;
 661                 case INC_ERROR:
 662                 case INC_NO_SPACE:
 663                 case INC_IO_ERROR:
 664                 case INC_SOCKET_ERROR:
 665                 case INC_EOF:
 666                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 667                         break;
 668                 case INC_TIMEOUT:
 669                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 670                         break;
 671                 case INC_CANCEL:
 672                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 673                         if (!inc_dialog->show_dialog)
 674                                 cancelled = TRUE;
 675                         break;
 676                 default:
 677                         break;
 678                 }
 679
 680                 if (pop3_session->error_val == PS_AUTHFAIL) {
 681                         if(!prefs_common.no_recv_err_panel) {
 682                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 683                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 684                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 685                         }
 686                 }
 687
 688                 /* CLAWS: perform filtering actions on dropped message */
 689                 /* CLAWS: get default inbox (perhaps per account) */
 690                 if (pop3_session->ac_prefs->inbox) {
 691                         /* CLAWS: get destination folder / mailbox */
 692                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 693                         if (!inbox)
 694                                 inbox = folder_get_default_inbox();
 695                 } else
 696                         inbox = folder_get_default_inbox();
 697
 698                 /* get list of messages in processing */
 699                 processing = folder_get_default_processing();
 700                 folder_item_scan(processing);
 701                 msglist = folder_item_get_msg_list(processing);
 702
 703                 /* process messages */
 704                 folder_item_update_freeze();
 705
 706                 procmsg_msglist_filter(msglist, pop3_session->ac_prefs,
 707                                 &filtered, &unfiltered,
 708                                 pop3_session->ac_prefs->filter_on_recv);
 709
 710                 filtering_move_and_copy_msgs(msglist);
 711                 if (unfiltered != NULL)
 712                         folder_item_move_msgs(inbox, unfiltered);
 713
 714                 for(msglist_element = msglist; msglist_element != NULL;
 715                     msglist_element = msglist_element->next) {
 716                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 717                         procmsg_msginfo_free(msginfo);
 718                 }
 719                 folder_item_update_thaw();
 720
 721                 g_slist_free(msglist);
 722                 g_slist_free(filtered);
 723                 g_slist_free(unfiltered);
 724
 725                 statusbar_pop_all();
 726
 727                 new_msgs += pop3_session->cur_total_num;
 728
 729                 pop3_write_uidl_list(pop3_session);
 730
 731                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 732                         error_num++;
 733                         if (inc_dialog->show_dialog)
 734                                 manage_window_focus_in
 735                                         (inc_dialog->dialog->window,
 736                                          NULL, NULL);
 737                         inc_put_error(inc_state, pop3_session);
 738                         if (inc_dialog->show_dialog)
 739                                 manage_window_focus_out
 740                                         (inc_dialog->dialog->window,
 741                                          NULL, NULL);
 742                         if (inc_state == INC_NO_SPACE ||
 743                             inc_state == INC_IO_ERROR)
 744                                 break;
 745                 }
 746                 folder_item_free_cache(processing, TRUE);
 747
 748                 inc_session_destroy(session);
 749                 inc_dialog->queue_list =
 750                         g_list_remove(inc_dialog->queue_list, session);
 751         }
 752
 753 #undef SET_PIXMAP_AND_TEXT
 754
 755         if (new_msgs > 0)
 756                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 757                                                    "Finished (%d new messages)",
 758                                                    new_msgs), new_msgs);
 759         else
 760                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 761
 762         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 763
 764         while (inc_dialog->queue_list != NULL) {
 765                 session = inc_dialog->queue_list->data;
 766                 inc_session_destroy(session);
 767                 inc_dialog->queue_list =
 768                         g_list_remove(inc_dialog->queue_list, session);
 769         }
 770
 771         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 772                 inc_progress_dialog_destroy(inc_dialog);
 773         else {
 774                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 775                                      fin_msg);
 776                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 777                                      GTK_STOCK_CLOSE);
 778         }
 779
 780         g_free(fin_msg);
 781
 782         return new_msgs;
 783 }
 784
 785 static IncState inc_pop3_session_do(IncSession *session)
 786 {
 787         Pop3Session *pop3_session = POP3_SESSION(session->session);
 788         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 789         gchar *server;
 790         gchar *account_name;
 791         gushort port;
 792         gchar *buf;
 793
 794         debug_print("getting new messages of account %s...\n",
 795                     pop3_session->ac_prefs->account_name);
 796
 797         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 798
 799         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 800                               pop3_session->ac_prefs->recv_server);
 801         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 802         g_free(buf);
 803
 804         server = pop3_session->ac_prefs->recv_server;
 805         account_name = pop3_session->ac_prefs->account_name;
 806 #ifdef USE_GNUTLS
 807         port = pop3_session->ac_prefs->set_popport ?
 808                 pop3_session->ac_prefs->popport :
 809                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 810         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 811         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 812                 SESSION(pop3_session)->nonblocking =
 813                         pop3_session->ac_prefs->use_nonblocking_ssl;
 814 #else
 815         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 816                 if (alertpanel_full(_("Insecure connection"),
 817                         _("This connection is configured to be secured "
 818                           "using SSL, but SSL is not available in this "
 819                           "build of Claws Mail. \n\n"
 820                           "Do you want to continue connecting to this "
 821                           "server? The communication would not be "
 822                           "secure."),
 823                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 824                           NULL, FALSE, NULL, ALERT_WARNING,
 825                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 826                         return INC_CANCEL;
 827         }
 828         port = pop3_session->ac_prefs->set_popport ?
 829                 pop3_session->ac_prefs->popport : 110;
 830 #endif
 831
 832         buf = g_strdup_printf(_("Account '%s': Connecting to POP3 server: %s:%d..."),
 833                                 account_name, server, port);
 834         statuswindow_print_all("%s", buf);
 835         log_message(LOG_PROTOCOL, "%s\n", buf);
 836
 837         progress_dialog_set_label(inc_dialog->dialog, buf);
 838         GTK_EVENTS_FLUSH();
 839         g_free(buf);
 840
 841         session_set_timeout(SESSION(pop3_session),
 842                             prefs_common.io_timeout_secs * 1000);
 843
 844         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 845                 if(!prefs_common.no_recv_err_panel) {
 846                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 847                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 848                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 849                         }
 850                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 851                                          server, port);
 852                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 853                 } else {
 854                         log_error(LOG_PROTOCOL, _("Can't connect to POP3 server: %s:%d\n"),
 855                             server, port);
 856                 }
 857                 session->inc_state = INC_CONNECT_ERROR;
 858                 statuswindow_pop_all();
 859                 return INC_CONNECT_ERROR;
 860         }
 861
 862         while (session_is_running(SESSION(pop3_session)) &&
 863                session->inc_state != INC_CANCEL)
 864                 gtk_main_iteration();
 865
 866         if (session->inc_state == INC_SUCCESS) {
 867                 switch (pop3_session->error_val) {
 868                 case PS_SUCCESS:
 869                         switch (SESSION(pop3_session)->state) {
 870                         case SESSION_ERROR:
 871                                 if (pop3_session->state == POP3_READY)
 872                                         session->inc_state = INC_CONNECT_ERROR;
 873                                 else
 874                                         session->inc_state = INC_ERROR;
 875                                 break;
 876                         case SESSION_EOF:
 877                                 session->inc_state = INC_EOF;
 878                                 break;
 879                         case SESSION_TIMEOUT:
 880                                 session->inc_state = INC_TIMEOUT;
 881                                 break;
 882                         default:
 883                                 session->inc_state = INC_SUCCESS;
 884                                 break;
 885                         }
 886                         break;
 887                 case PS_AUTHFAIL:
 888                         session->inc_state = INC_AUTH_FAILED;
 889                         break;
 890                 case PS_IOERR:
 891                         session->inc_state = INC_IO_ERROR;
 892                         break;
 893                 case PS_SOCKET:
 894                         session->inc_state = INC_SOCKET_ERROR;
 895                         break;
 896                 case PS_LOCKBUSY:
 897                         session->inc_state = INC_LOCKED;
 898                         break;
 899                 default:
 900                         session->inc_state = INC_ERROR;
 901                         break;
 902                 }
 903         }
 904
 905         session_disconnect(SESSION(pop3_session));
 906         statusbar_pop_all();
 907
 908         return session->inc_state;
 909 }
 910
 911 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 912                                        IncSession *inc_session)
 913 {
 914         inc_progress_dialog_set_label(inc_dialog, inc_session);
 915         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 916 }
 917
 918 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 919                                           IncSession *inc_session)
 920 {
 921         ProgressDialog *dialog = inc_dialog->dialog;
 922         Pop3Session *session;
 923
 924         cm_return_if_fail(inc_session != NULL);
 925
 926         session = POP3_SESSION(inc_session->session);
 927
 928         switch (session->state) {
 929         case POP3_GREETING:
 930                 break;
 931         case POP3_GETAUTH_USER:
 932         case POP3_GETAUTH_PASS:
 933         case POP3_GETAUTH_APOP:
 934                 progress_dialog_set_label(dialog, _("Authenticating..."));
 935                 statuswindow_pop_all();
 936                 statusbar_print_all(_("Retrieving messages from %s (%s) ..."),
 937                                     SESSION(session)->server,
 938                                     session->ac_prefs->account_name);
 939                 break;
 940         case POP3_GETRANGE_STAT:
 941                 progress_dialog_set_label
 942                         (dialog, _("Getting the number of new messages (STAT)..."));
 943                 break;
 944         case POP3_GETRANGE_LAST:
 945                 progress_dialog_set_label
 946                         (dialog, _("Getting the number of new messages (LAST)..."));
 947                 break;
 948         case POP3_GETRANGE_UIDL:
 949                 progress_dialog_set_label
 950                         (dialog, _("Getting the number of new messages (UIDL)..."));
 951                 break;
 952         case POP3_GETSIZE_LIST:
 953                 progress_dialog_set_label
 954                         (dialog, _("Getting the size of messages (LIST)..."));
 955                 break;
 956         case POP3_RETR:
 957         case POP3_RETR_RECV:
 958         case POP3_DELETE:
 959                 break;
 960         case POP3_LOGOUT:
 961                 progress_dialog_set_label(dialog, _("Quitting"));
 962                 break;
 963         default:
 964                 break;
 965         }
 966 }
 967
 968 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 969                                              IncSession *inc_session)
 970 {
 971         gchar buf[MESSAGEBUFSIZE];
 972         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 973         gchar *total_size_str;
 974         gint cur_total;
 975         gint total;
 976
 977         if (!pop3_session->new_msg_exist) return;
 978
 979         cur_total = inc_session->cur_total_bytes;
 980         total = pop3_session->total_bytes;
 981         if (pop3_session->state == POP3_RETR ||
 982             pop3_session->state == POP3_RETR_RECV ||
 983             pop3_session->state == POP3_DELETE) {
 984                 Xstrdup_a(total_size_str, to_human_readable((goffset)total), return);
 985                 g_snprintf(buf, sizeof(buf),
 986                            _("Retrieving message (%d / %d) (%s / %s)"),
 987                            pop3_session->cur_msg, pop3_session->count,
 988                            to_human_readable((goffset)cur_total), total_size_str);
 989                 progress_dialog_set_label(inc_dialog->dialog, buf);
 990         }
 991
 992         progress_dialog_set_fraction
 993                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 994
 995         statusbar_progress_all(pop3_session->cur_msg, pop3_session->count, 1);
 996
 997         if (pop3_session->cur_total_num > 0) {
 998                 g_snprintf(buf, sizeof(buf),
 999                            ngettext("Retrieving (%d message (%s) received)",
1000                                     "Retrieving (%d messages (%s) received)",
1001                                     pop3_session->cur_total_num),
1002                            pop3_session->cur_total_num,
1003                            to_human_readable
1004                            ((goffset)pop3_session->cur_total_recv_bytes));
1005                 progress_dialog_list_set_status(inc_dialog->dialog,
1006                                                 inc_dialog->cur_row,
1007                                                 buf);
1008         }
1009 }
1010
1011 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
1012                                                 IncSession *inc_session)
1013 {
1014         GTimeVal tv_cur;
1015         GTimeVal tv_result;
1016         gint msec;
1017
1018         g_get_current_time(&tv_cur);
1019
1020         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
1021         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
1022         if (tv_result.tv_usec < 0) {
1023                 tv_result.tv_sec--;
1024                 tv_result.tv_usec += G_USEC_PER_SEC;
1025         }
1026
1027         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
1028         if (msec > PROGRESS_UPDATE_INTERVAL) {
1029                 inc_progress_dialog_update(inc_dialog, inc_session);
1030                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
1031                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
1032         }
1033 }
1034
1035 static gint inc_recv_data_progressive(Session *session, guint cur_len,
1036                                       guint total_len, gpointer data)
1037 {
1038         IncSession *inc_session = (IncSession *)data;
1039         Pop3Session *pop3_session = POP3_SESSION(session);
1040         IncProgressDialog *inc_dialog;
1041         gint cur_total;
1042
1043         cm_return_val_if_fail(inc_session != NULL, -1);
1044
1045         if (pop3_session->state != POP3_RETR &&
1046             pop3_session->state != POP3_RETR_RECV &&
1047             pop3_session->state != POP3_DELETE &&
1048             pop3_session->state != POP3_LOGOUT) return 0;
1049
1050         if (!pop3_session->new_msg_exist) return 0;
1051
1052         cur_total = pop3_session->cur_total_bytes + cur_len;
1053         if (cur_total > pop3_session->total_bytes)
1054                 cur_total = pop3_session->total_bytes;
1055         inc_session->cur_total_bytes = cur_total;
1056
1057         inc_dialog = (IncProgressDialog *)inc_session->data;
1058         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
1059
1060         return 0;
1061 }
1062
1063 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
1064 {
1065         IncSession *inc_session = (IncSession *)data;
1066         IncProgressDialog *inc_dialog;
1067
1068         cm_return_val_if_fail(inc_session != NULL, -1);
1069
1070         inc_dialog = (IncProgressDialog *)inc_session->data;
1071
1072         inc_recv_data_progressive(session, 0, 0, inc_session);
1073
1074         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1075                 inc_progress_dialog_update(inc_dialog, inc_session);
1076         }
1077
1078         return 0;
1079 }
1080
1081 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1082 {
1083         IncSession *inc_session = (IncSession *)data;
1084         IncProgressDialog *inc_dialog;
1085
1086         cm_return_val_if_fail(inc_session != NULL, -1);
1087
1088         inc_dialog = (IncProgressDialog *)inc_session->data;
1089
1090         switch (POP3_SESSION(session)->state) {
1091         case POP3_GETAUTH_USER:
1092         case POP3_GETAUTH_PASS:
1093         case POP3_GETAUTH_APOP:
1094         case POP3_GETRANGE_STAT:
1095         case POP3_GETRANGE_LAST:
1096         case POP3_GETRANGE_UIDL:
1097         case POP3_GETSIZE_LIST:
1098                 inc_progress_dialog_update(inc_dialog, inc_session);
1099                 break;
1100         case POP3_RETR:
1101                 inc_recv_data_progressive(session, 0, 0, inc_session);
1102                 break;
1103         case POP3_LOGOUT:
1104                 inc_progress_dialog_update(inc_dialog, inc_session);
1105                 break;
1106         default:
1107                 break;
1108         }
1109
1110         return 0;
1111 }
1112
1113 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1114 {
1115         FolderItem *inbox;
1116         FolderItem *dropfolder;
1117         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1118         gint msgnum;
1119
1120         cm_return_val_if_fail(inc_session != NULL, -1);
1121
1122         if (session->ac_prefs->inbox) {
1123                 inbox = folder_find_item_from_identifier
1124                         (session->ac_prefs->inbox);
1125                 if (!inbox)
1126                         inbox = folder_get_default_inbox();
1127         } else
1128                 inbox = folder_get_default_inbox();
1129         if (!inbox) {
1130                 claws_unlink(file);
1131                 return -1;
1132         }
1133
1134         /* CLAWS: claws uses a global .processing folder for the filtering. */
1135         dropfolder = folder_get_default_processing();
1136
1137         /* add msg file to drop folder */
1138         if ((msgnum = folder_item_add_msg(
1139                         dropfolder, file, NULL, TRUE)) < 0) {
1140                 claws_unlink(file);
1141                 return -1;
1142         }
1143
1144         return 0;
1145 }
1146
1147 static void inc_put_error(IncState istate, Pop3Session *session)
1148 {
1149         gchar *log_msg = NULL;
1150         gchar *err_msg = NULL;
1151         gboolean fatal_error = FALSE;
1152
1153         switch (istate) {
1154         case INC_CONNECT_ERROR:
1155                 fatal_error = TRUE;
1156                 if (prefs_common.no_recv_err_panel)
1157                         break;
1158                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1159                                           SESSION(session)->server,
1160                                           SESSION(session)->port);
1161                 break;
1162         case INC_ERROR:
1163                 log_msg = _("Error occurred while processing mail.");
1164                 fatal_error = TRUE;
1165                 if (prefs_common.no_recv_err_panel)
1166                         break;
1167                 if (session->error_msg)
1168                         err_msg = g_strdup_printf
1169                                 (_("Error occurred while processing mail:\n%s"),
1170                                  session->error_msg);
1171                 else
1172                         err_msg = g_strdup(log_msg);
1173                 break;
1174         case INC_NO_SPACE:
1175                 log_msg = _("No disk space left.");
1176                 err_msg = g_strdup(log_msg);
1177                 fatal_error = TRUE;
1178                 break;
1179         case INC_IO_ERROR:
1180                 log_msg = _("Can't write file.");
1181                 err_msg = g_strdup(log_msg);
1182                 fatal_error = TRUE;
1183                 break;
1184         case INC_SOCKET_ERROR:
1185                 log_msg = _("Socket error.");
1186                 if (prefs_common.no_recv_err_panel)
1187                         break;
1188                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1189                                           SESSION(session)->server,
1190                                           SESSION(session)->port);
1191                 break;
1192         case INC_EOF:
1193                 log_msg = _("Connection closed by the remote host.");
1194                 if (prefs_common.no_recv_err_panel)
1195                         break;
1196                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1197                                           SESSION(session)->server,
1198                                           SESSION(session)->port);
1199                 break;
1200         case INC_LOCKED:
1201                 log_msg = _("Mailbox is locked.");
1202                 if (prefs_common.no_recv_err_panel)
1203                         break;
1204                 if (session->error_msg)
1205                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1206                                                   session->error_msg);
1207                 else
1208                         err_msg = g_strdup(log_msg);
1209                 break;
1210         case INC_AUTH_FAILED:
1211                 log_msg = _("Authentication failed.");
1212                 fatal_error = TRUE;
1213                 if (prefs_common.no_recv_err_panel)
1214                         break;
1215                 if (session->error_msg)
1216                         err_msg = g_strdup_printf
1217                                 (_("Authentication failed:\n%s"), session->error_msg);
1218                 else
1219                         err_msg = g_strdup(log_msg);
1220                 break;
1221         case INC_TIMEOUT:
1222                 log_msg = _("Session timed out. You may be able to "
1223                             "recover by increasing the timeout value in "
1224                             "Preferences/Other/Miscellaneous.");
1225                 if (prefs_common.no_recv_err_panel)
1226                         break;
1227                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1228                                           SESSION(session)->server,
1229                                           SESSION(session)->port);
1230                 break;
1231         default:
1232                 break;
1233         }
1234
1235         if (log_msg) {
1236                 if (fatal_error)
1237                         log_error(LOG_PROTOCOL, "%s\n", log_msg);
1238                 else
1239                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
1240         }
1241         if (prefs_common.no_recv_err_panel && fatal_error)
1242                 mainwindow_show_error();
1243
1244         if (err_msg) {
1245                 alertpanel_error_log("%s", err_msg);
1246                 g_free(err_msg);
1247         }
1248 }
1249
1250 static void inc_cancel(IncProgressDialog *dialog)
1251 {
1252         IncSession *session;
1253
1254         cm_return_if_fail(dialog != NULL);
1255
1256         if (dialog->queue_list == NULL) {
1257                 inc_progress_dialog_destroy(dialog);
1258                 return;
1259         }
1260
1261         session = dialog->queue_list->data;
1262
1263         session->inc_state = INC_CANCEL;
1264
1265         log_message(LOG_PROTOCOL, _("Incorporation cancelled\n"));
1266 }
1267
1268 gboolean inc_is_active(void)
1269 {
1270         return (inc_dialog_list != NULL);
1271 }
1272
1273 void inc_cancel_all(void)
1274 {
1275         GList *cur;
1276
1277         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1278                 inc_cancel((IncProgressDialog *)cur->data);
1279 }
1280
1281 static void inc_showlog_cb(GtkWidget *widget, gpointer data)
1282 {
1283         MainWindow *mainwin = mainwindow_get_mainwindow();
1284
1285         log_window_show(mainwin->logwin);
1286 }
1287
1288 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1289 {
1290         inc_cancel((IncProgressDialog *)data);
1291 }
1292
1293 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1294                                  gpointer data)
1295 {
1296         IncProgressDialog *dialog = (IncProgressDialog *)data;
1297
1298         if (dialog->queue_list == NULL)
1299                 inc_progress_dialog_destroy(dialog);
1300
1301         return TRUE;
1302 }
1303
1304 static gint inc_spool_account(PrefsAccount *account)
1305 {
1306         FolderItem *inbox;
1307         gchar *mbox;
1308         gint result;
1309
1310         if (account->local_inbox) {
1311                 inbox = folder_find_item_from_identifier(account->local_inbox);
1312                 if (!inbox)
1313                         inbox = folder_get_default_inbox();
1314         } else
1315                 inbox = folder_get_default_inbox();
1316
1317         if (account->local_mbox) {
1318                 if (is_file_exist(account->local_mbox))
1319                         mbox = g_strdup(account->local_mbox);
1320                 else if (is_dir_exist(account->local_mbox))
1321                         mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1322                                            g_get_user_name(), NULL);
1323                 else {
1324                         debug_print("%s: local mailbox not found.\n",
1325                                     account->local_mbox);
1326                         return -1;
1327                 }
1328         } else {
1329                 debug_print("local mailbox not set in account info.\n");
1330                 return -1;
1331         }
1332
1333         result = get_spool(inbox, mbox, account);
1334         g_free(mbox);
1335
1336         statusbar_pop_all();
1337
1338         return result;
1339 }
1340
1341 static gint inc_all_spool(void)
1342 {
1343         GList *list = NULL;
1344         gint new_msgs = 0;
1345         gint account_new_msgs = 0;
1346
1347         list = account_get_list();
1348         if (!list) return 0;
1349
1350         for (; list != NULL; list = list->next) {
1351                 PrefsAccount *account = list->data;
1352
1353                 if ((account->protocol == A_LOCAL) &&
1354                     (account->recv_at_getall)) {
1355                         account_new_msgs = inc_spool_account(account);
1356                         if (account_new_msgs > 0)
1357                                 new_msgs += account_new_msgs;
1358                 }
1359         }
1360
1361         return new_msgs;
1362 }
1363
1364 static gint get_spool(FolderItem *dest, const gchar *mbox, PrefsAccount *account)
1365 {
1366         gint msgs, size;
1367         gint lockfd;
1368         gchar tmp_mbox[MAXPATHLEN + 1];
1369
1370         cm_return_val_if_fail(dest != NULL, -1);
1371         cm_return_val_if_fail(mbox != NULL, -1);
1372         cm_return_val_if_fail(account != NULL, -1);
1373
1374         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1375                 debug_print("%s: no messages in local mailbox.\n", mbox);
1376                 return 0;
1377         } else if (size < 0)
1378                 return -1;
1379
1380         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1381                 return -1;
1382
1383         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%p",
1384                    get_tmp_dir(), G_DIR_SEPARATOR, mbox);
1385
1386         if (copy_mbox(lockfd, tmp_mbox) < 0) {
1387                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1388                 return -1;
1389         }
1390
1391         debug_print("Getting new messages from %s into %s...\n",
1392                     mbox, dest->path);
1393
1394         msgs = proc_mbox(dest, tmp_mbox, account->filter_on_recv, account);
1395
1396         claws_unlink(tmp_mbox);
1397         if (msgs >= 0) empty_mbox(mbox);
1398         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1399
1400         return msgs;
1401 }
1402
1403 void inc_lock_real(void)
1404 {
1405         inc_lock_count++;
1406 }
1407
1408 void inc_unlock_real(void)
1409 {
1410         if (inc_lock_count > 0)
1411                 inc_lock_count--;
1412 }
1413
1414 static guint autocheck_timer = 0;
1415 static gpointer autocheck_data = NULL;
1416
1417 #ifdef MAEMO
1418 osso_context_t *get_osso_context(void);
1419 #endif
1420
1421 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1422 {
1423 #ifndef MAEMO
1424         gchar *buf, *numpos, *ret_str;
1425         gssize by_read = 0, by_written = 0;
1426
1427         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1428             *prefs_common.newmail_notify_cmd))
1429                      return;
1430
1431         buf = g_strdup(prefs_common.newmail_notify_cmd);
1432         if ((numpos = strstr(buf, "%d")) != NULL) {
1433                 gchar *buf2;
1434
1435                 *numpos = '\0';
1436                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1437                 g_free(buf);
1438                 buf = buf2;
1439         }
1440
1441         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1442                                      NULL);
1443         if (ret_str && by_written) {
1444                 g_free(buf);
1445                 buf = ret_str;
1446         }
1447         debug_print("executing new mail notification command: %s\n", buf);
1448         execute_command_line(buf, TRUE);
1449
1450         g_free(buf);
1451
1452 #else
1453         if (new_msgs) {
1454                 if (prefs_common.maemo_play_sound)
1455                         hildon_play_system_sound("/usr/share/sounds/ui-new_email.wav");
1456                 if (prefs_common.maemo_show_banner) {
1457                         gchar *info = g_strdup_printf(ngettext("Claws Mail: %d new message",
1458                                                    "Claws Mail: %d new messages",
1459                                                    new_msgs), new_msgs);
1460                         osso_system_note_infoprint(get_osso_context(), info, NULL);
1461                         g_free(info);
1462                 }
1463         }
1464 #endif
1465 }
1466
1467 #if (defined(MAEMO) && defined(CONIC))
1468 static void maemo_connection_event(ConIcConnection *connection,
1469                                    ConIcConnectionEvent *event,
1470                                    gpointer user_data)
1471 {
1472         ConIcConnectionStatus status =
1473                 con_ic_connection_event_get_status(event);
1474         MainWindow *mainwin = (MainWindow *)user_data;
1475         switch(status) {
1476         case CON_IC_STATUS_CONNECTED:
1477                 debug_print("we're connected\n");
1478                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1479                 break;
1480         default:
1481                 debug_print("we're disconnected\n");
1482                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1483                 maemo_warned_offline = FALSE;
1484                 break;
1485         }
1486 }
1487
1488 #endif
1489
1490 void inc_autocheck_timer_init(MainWindow *mainwin)
1491 {
1492 #if (defined(MAEMO) && defined(CONIC))
1493         GValue *val = g_new0(GValue, 1);
1494         maemo_connection = con_ic_connection_new();
1495
1496         g_value_init(val, G_TYPE_BOOLEAN);
1497         g_value_set_boolean(val, TRUE);
1498         g_object_set_property(G_OBJECT(maemo_connection),
1499                         "automatic-connection-events", val);
1500         g_free(val);
1501         g_signal_connect (maemo_connection, "connection-event",
1502                           G_CALLBACK(maemo_connection_event), mainwin);
1503         con_ic_connection_connect (maemo_connection,
1504                 CON_IC_CONNECT_FLAG_AUTOMATICALLY_TRIGGERED);
1505         autocheck_data = mainwin;
1506 #else
1507         autocheck_data = mainwin;
1508         inc_autocheck_timer_set();
1509 #endif
1510 }
1511
1512 static void inc_autocheck_timer_set_interval(guint interval)
1513 {
1514         inc_autocheck_timer_remove();
1515         /* last test is to avoid re-enabling auto_check after modifying
1516            the common preferences */
1517         if (prefs_common.autochk_newmail && autocheck_data
1518             && prefs_common.work_offline == FALSE) {
1519 #if GLIB_CHECK_VERSION(2,14,0)
1520                 if (interval % 1000 == 0)
1521                         autocheck_timer =
1522                                 g_timeout_add_seconds(interval/1000, inc_autocheck_func, autocheck_data);
1523                 else
1524 #endif
1525                 autocheck_timer = g_timeout_add
1526                         (interval, inc_autocheck_func, autocheck_data);
1527                 debug_print("added timer = %d\n", autocheck_timer);
1528         }
1529 }
1530
1531 void inc_autocheck_timer_set(void)
1532 {
1533         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1534 #if (defined(MAEMO) && defined(CONIC))
1535         con_ic_connection_connect (maemo_connection,
1536                 CON_IC_CONNECT_FLAG_AUTOMATICALLY_TRIGGERED);
1537 #endif
1538 }
1539
1540 void inc_autocheck_timer_remove(void)
1541 {
1542         if (autocheck_timer) {
1543                 debug_print("removed timer = %d\n", autocheck_timer);
1544                 g_source_remove(autocheck_timer);
1545                 autocheck_timer = 0;
1546         }
1547 }
1548
1549 static gint inc_autocheck_func(gpointer data)
1550 {
1551         MainWindow *mainwin = (MainWindow *)data;
1552
1553         if (inc_lock_count) {
1554                 debug_print("autocheck is locked.\n");
1555                 inc_autocheck_timer_set_interval(1000);
1556                 return FALSE;
1557         }
1558
1559         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1560
1561         return FALSE;
1562 }
1563
1564 gboolean inc_offline_should_override(gboolean force_ask, const gchar *msg)
1565 {
1566         static time_t overridden_yes = 0;
1567         static time_t overridden_no  = 0;
1568         int length = 10; /* minutes */
1569         gint answer = G_ALERTDEFAULT;
1570
1571 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1572         /* If no network connection is available, override is not possible */
1573         if(!networkmanager_is_online(NULL))
1574                 return FALSE;
1575 #endif
1576
1577 #if (defined(MAEMO) && defined(CONIC))
1578         if (prefs_common.work_offline) {
1579                 if (force_ask && !maemo_warned_offline) {
1580                         if (mainwindow_get_mainwindow())
1581                                 hildon_banner_show_information(
1582                                         mainwindow_get_mainwindow()->window,
1583                                         NULL,
1584                                         _("Unable to connect: you are offline."));
1585                         maemo_warned_offline = TRUE;
1586                 }
1587                 return FALSE;
1588         } else {
1589                 return TRUE;
1590         }
1591 #endif
1592
1593         if (prefs_common.autochk_newmail)
1594                 length = prefs_common.autochk_itv; /* minutes */
1595
1596         if (force_ask) {
1597                 overridden_no = (time_t)0;
1598         }
1599
1600         if (prefs_common.work_offline) {
1601                 gchar *tmp = NULL;
1602
1603                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1604                          return TRUE;
1605                 else if (time(NULL) - overridden_no < length * 60) /* seconds */
1606                          return FALSE;
1607
1608                 if (!force_ask)
1609                         tmp = g_strdup_printf(
1610                                 _("%s%sYou're working offline. Override for %d minutes?"),
1611                                 msg?msg:"",
1612                                 msg?"\n\n":"",
1613                                 length);
1614                 else
1615                         tmp = g_strdup_printf(
1616                                 _("%s%sYou're working offline. Override?"),
1617                                 msg?msg:"",
1618                                 msg?"\n\n":"");
1619
1620                 answer = alertpanel(_("Offline warning"),
1621                                tmp,
1622                                GTK_STOCK_NO, "+" GTK_STOCK_YES,
1623                                 !force_ask? _("On_ly once"):NULL);
1624                 g_free(tmp);
1625                 if (answer == G_ALERTALTERNATE) {
1626                         overridden_yes = time(NULL);
1627                         return TRUE;
1628                 } else if (answer == G_ALERTDEFAULT) {
1629                         if (!force_ask)
1630                                 overridden_no  = time(NULL);
1631                         return FALSE;
1632                 } else {
1633                         overridden_yes = (time_t)0;
1634                         overridden_no  = (time_t)0;
1635                         return TRUE;
1636                 }
1637         }
1638         return TRUE;
1639 }