src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 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 extern SessionStats session_stats;
  64
  65 static GList *inc_dialog_list = NULL;
  66
  67 guint inc_lock_count = 0;
  68
  69 static GdkPixbuf *currentpix;
  70 static GdkPixbuf *errorpix;
  71 static GdkPixbuf *okpix;
  72
  73 #define MESSAGEBUFSIZE  8192
  74
  75 static void inc_update_stats(gint new_msgs);
  76 static void inc_finished                (MainWindow             *mainwin,
  77                                          gboolean                new_messages,
  78                                          gboolean                autocheck);
  79 static gint inc_account_mail_real       (MainWindow             *mainwin,
  80                                          PrefsAccount           *account);
  81
  82 static IncProgressDialog *inc_progress_dialog_create
  83                                         (gboolean                autocheck);
  84 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  85 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  86
  87 static IncSession *inc_session_new      (PrefsAccount           *account);
  88 static void inc_session_destroy         (IncSession             *session);
  89 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  90 static IncState inc_pop3_session_do     (IncSession             *session);
  91
  92 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
  93                                          IncSession             *inc_session);
  94
  95 static void inc_progress_dialog_set_label
  96                                         (IncProgressDialog      *inc_dialog,
  97                                          IncSession             *inc_session);
  98 static void inc_progress_dialog_set_progress
  99                                         (IncProgressDialog      *inc_dialog,
 100                                          IncSession             *inc_session);
 101
 102 static void inc_progress_dialog_update_periodic
 103                                         (IncProgressDialog      *inc_dialog,
 104                                          IncSession             *inc_session);
 105
 106 static gint inc_recv_data_progressive   (Session        *session,
 107                                          guint           cur_len,
 108                                          guint           total_len,
 109                                          gpointer        data);
 110 static gint inc_recv_data_finished      (Session        *session,
 111                                          guint           len,
 112                                          gpointer        data);
 113 static gint inc_recv_message            (Session        *session,
 114                                          const gchar    *msg,
 115                                          gpointer        data);
 116 static gint inc_drop_message            (Pop3Session    *session,
 117                                          const gchar    *file);
 118
 119 static void inc_put_error               (IncState        istate,
 120                                          Pop3Session    *session);
 121
 122 static void inc_showlog_cb              (GtkWidget      *widget,
 123                                          gpointer        data);
 124 static void inc_cancel_cb               (GtkWidget      *widget,
 125                                          gpointer        data);
 126 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 127                                          GdkEventAny    *event,
 128                                          gpointer        data);
 129
 130 static gint get_spool                   (FolderItem     *dest,
 131                                          const gchar    *mbox,
 132                                          PrefsAccount   *account);
 133
 134 static gint inc_spool_account(PrefsAccount *account);
 135 static gint inc_all_spool(void);
 136 static void inc_autocheck_timer_set_interval    (guint           interval);
 137 static gint inc_autocheck_func                  (gpointer        data);
 138
 139 static void inc_notify_cmd              (gint new_msgs,
 140                                          gboolean notify);
 141
 142 static void inc_update_stats(gint new_msgs)
 143 {
 144         /* update session statistics */
 145         session_stats.received += new_msgs;
 146 }
 147
 148 /**
 149  * inc_finished:
 150  * @mainwin: Main window.
 151  * @new_messages: TRUE if some messages have been received.
 152  *
 153  * Update the folder view and the summary view after receiving
 154  * messages.  If @new_messages is FALSE, this function avoids unneeded
 155  * updating.
 156  **/
 157 static void inc_finished(MainWindow *mainwin, gboolean new_messages, gboolean autocheck)
 158 {
 159         if (prefs_common.scan_all_after_inc)
 160                 folderview_check_new(NULL);
 161
 162         if (!autocheck && new_messages && prefs_common.open_inbox_on_inc) {
 163                 FolderItem *item = NULL;
 164
 165                 if (cur_account && cur_account->inbox)
 166                         item = folder_find_item_from_identifier(cur_account->inbox);
 167                 if (item == NULL && cur_account && cur_account->folder)
 168                         item = cur_account->folder->inbox;
 169                 if (item == NULL)
 170                         item = folder_get_default_inbox();
 171
 172                 folderview_unselect(mainwin->folderview);
 173                 folderview_select(mainwin->folderview, item);
 174         }
 175 }
 176
 177 void inc_mail(MainWindow *mainwin, gboolean notify)
 178 {
 179         gint new_msgs = 0;
 180         gint account_new_msgs = 0;
 181
 182         if (inc_lock_count) return;
 183
 184         if (prefs_common.work_offline &&
 185             !inc_offline_should_override(TRUE,
 186                 _("Claws Mail needs network access in order "
 187                   "to get mails.")))
 188                 return;
 189
 190         inc_lock();
 191         inc_autocheck_timer_remove();
 192         main_window_lock(mainwin);
 193
 194         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 195                 /* external incorporating program */
 196                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 197                         main_window_unlock(mainwin);
 198                         inc_autocheck_timer_set();
 199                         inc_unlock();
 200                         return;
 201                 }
 202         } else {
 203                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 204                 if (account_new_msgs > 0)
 205                         new_msgs += account_new_msgs;
 206         }
 207
 208         inc_update_stats(new_msgs);
 209         inc_finished(mainwin, new_msgs > 0, FALSE);
 210         main_window_unlock(mainwin);
 211         inc_notify_cmd(new_msgs, notify);
 212         inc_autocheck_timer_set();
 213         inc_unlock();
 214 }
 215
 216 void inc_pop_before_smtp(PrefsAccount *acc)
 217 {
 218         IncProgressDialog *inc_dialog;
 219         IncSession *session;
 220         MainWindow *mainwin;
 221
 222         mainwin = mainwindow_get_mainwindow();
 223
 224         session = inc_session_new(acc);
 225         if (!session) return;
 226         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 227
 228         inc_dialog = inc_progress_dialog_create(FALSE);
 229         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 230                                                session);
 231         /* FIXME: assumes to attach to first main window */
 232         inc_dialog->mainwin = mainwin;
 233         inc_progress_dialog_set_list(inc_dialog);
 234
 235         if (mainwin) {
 236                 toolbar_main_set_sensitive(mainwin);
 237                 main_window_set_menu_sensitive(mainwin);
 238         }
 239
 240         inc_start(inc_dialog);
 241 }
 242
 243 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 244 {
 245         IncProgressDialog *inc_dialog;
 246         IncSession *session;
 247
 248         switch (account->protocol) {
 249         case A_IMAP4:
 250         case A_NNTP:
 251                 /* Melvin: bug [14]
 252                  * FIXME: it should return foldeview_check_new() value.
 253                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 254                  * an incorrect new message count)
 255                  */
 256                 folderview_check_new(FOLDER(account->folder));
 257                 return 0;
 258         case A_POP3:
 259         case A_APOP:
 260                 session = inc_session_new(account);
 261                 if (!session) return 0;
 262
 263                 inc_dialog = inc_progress_dialog_create(FALSE);
 264                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 265                                                        session);
 266                 inc_dialog->mainwin = mainwin;
 267                 inc_progress_dialog_set_list(inc_dialog);
 268
 269                 if (mainwin) {
 270                         toolbar_main_set_sensitive(mainwin);
 271                         main_window_set_menu_sensitive(mainwin);
 272                 }
 273
 274                 return inc_start(inc_dialog);
 275
 276         case A_LOCAL:
 277                 return inc_spool_account(account);
 278
 279         default:
 280                 break;
 281         }
 282         return 0;
 283 }
 284
 285 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 286 {
 287         gint new_msgs;
 288
 289         if (inc_lock_count) return 0;
 290
 291         if (prefs_common.work_offline &&
 292             !inc_offline_should_override(TRUE,
 293                 _("Claws Mail needs network access in order "
 294                   "to get mails.")))
 295                 return 0;
 296
 297         inc_autocheck_timer_remove();
 298         main_window_lock(mainwin);
 299
 300         new_msgs = inc_account_mail_real(mainwin, account);
 301
 302         inc_update_stats(new_msgs);
 303         inc_finished(mainwin, new_msgs > 0, FALSE);
 304         main_window_unlock(mainwin);
 305         inc_autocheck_timer_set();
 306
 307         return new_msgs;
 308 }
 309
 310 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 311                           gboolean notify)
 312 {
 313         GList *list, *queue_list = NULL;
 314         IncProgressDialog *inc_dialog;
 315         gint new_msgs = 0;
 316         gint account_new_msgs = 0;
 317
 318         if (prefs_common.work_offline &&
 319             !inc_offline_should_override( (autocheck == FALSE),
 320                 _("Claws Mail needs network access in order "
 321                   "to get mails.")))
 322                 return;
 323
 324         if (inc_lock_count) return;
 325
 326         inc_autocheck_timer_remove();
 327         main_window_lock(mainwin);
 328
 329         list = account_get_list();
 330         if (!list) {
 331                 inc_update_stats(new_msgs);
 332                 inc_finished(mainwin, new_msgs > 0, autocheck);
 333                 main_window_unlock(mainwin);
 334                 inc_notify_cmd(new_msgs, notify);
 335                 inc_autocheck_timer_set();
 336                 return;
 337         }
 338
 339         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 340                 /* external incorporating program */
 341                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 342                         log_error(LOG_PROTOCOL, _("%s failed\n"), prefs_common.extinc_cmd);
 343
 344                         main_window_unlock(mainwin);
 345                         inc_autocheck_timer_set();
 346                         return;
 347                 }
 348         }
 349
 350         /* check local folders */
 351         account_new_msgs = inc_all_spool();
 352         if (account_new_msgs > 0)
 353                 new_msgs += account_new_msgs;
 354
 355         /* check IMAP4 / News folders */
 356         for (list = account_get_list(); list != NULL; list = list->next) {
 357                 PrefsAccount *account = list->data;
 358                 if ((account->protocol == A_IMAP4 ||
 359                      account->protocol == A_NNTP) && account->recv_at_getall) {
 360                         new_msgs += folderview_check_new(FOLDER(account->folder));
 361                 }
 362         }
 363
 364         /* check POP3 accounts */
 365         for (list = account_get_list(); list != NULL; list = list->next) {
 366                 IncSession *session;
 367                 PrefsAccount *account = list->data;
 368
 369                 if (account->recv_at_getall) {
 370                         session = inc_session_new(account);
 371                         if (session)
 372                                 queue_list = g_list_append(queue_list, session);
 373                 }
 374         }
 375
 376         if (queue_list) {
 377                 inc_dialog = inc_progress_dialog_create(autocheck);
 378                 inc_dialog->queue_list = queue_list;
 379                 inc_dialog->mainwin = mainwin;
 380                 inc_progress_dialog_set_list(inc_dialog);
 381
 382                 toolbar_main_set_sensitive(mainwin);
 383                 main_window_set_menu_sensitive(mainwin);
 384                 new_msgs += inc_start(inc_dialog);
 385         }
 386
 387         inc_update_stats(new_msgs);
 388         inc_finished(mainwin, new_msgs > 0, autocheck);
 389         main_window_unlock(mainwin);
 390         inc_notify_cmd(new_msgs, notify);
 391         inc_autocheck_timer_set();
 392 }
 393
 394 static void inc_progress_dialog_size_allocate_cb(GtkWidget *widget,
 395                                          GtkAllocation *allocation)
 396 {
 397         cm_return_if_fail(allocation != NULL);
 398
 399         prefs_common.receivewin_width = allocation->width;
 400         prefs_common.receivewin_height = allocation->height;
 401 }
 402
 403 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 404 {
 405         IncProgressDialog *dialog;
 406         ProgressDialog *progress;
 407         static GdkGeometry geometry;
 408
 409         dialog = g_new0(IncProgressDialog, 1);
 410
 411         progress = progress_dialog_create();
 412         gtk_window_set_title(GTK_WINDOW(progress->window),
 413                              _("Retrieving new messages"));
 414         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 415                          G_CALLBACK(inc_showlog_cb), dialog);
 416         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 417                          G_CALLBACK(inc_cancel_cb), dialog);
 418         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 419                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 420         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 421                          G_CALLBACK(inc_progress_dialog_size_allocate_cb), NULL);
 422         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 423
 424         progress_dialog_get_fraction(progress);
 425
 426         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 427                          &okpix);
 428         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 429                          &currentpix);
 430         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 431                          &errorpix);
 432
 433         if (!geometry.min_height) {
 434                 geometry.min_width = 460;
 435                 geometry.min_height = 250;
 436         }
 437
 438         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 439                                       GDK_HINT_MIN_SIZE);
 440         gtk_widget_set_size_request(progress->window, prefs_common.receivewin_width,
 441                                     prefs_common.receivewin_height);
 442
 443         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 444             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 445              !autocheck)) {
 446                 dialog->show_dialog = TRUE;
 447                 gtk_widget_show_now(progress->window);
 448         }
 449
 450         dialog->dialog = progress;
 451         g_get_current_time(&dialog->progress_tv);
 452         g_get_current_time(&dialog->folder_tv);
 453         dialog->queue_list = NULL;
 454         dialog->cur_row = 0;
 455
 456         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 457
 458         return dialog;
 459 }
 460
 461 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 462 {
 463         GList *list;
 464
 465         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 466                 IncSession *session = list->data;
 467                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 468
 469                 session->data = inc_dialog;
 470
 471                 progress_dialog_list_set(inc_dialog->dialog,
 472                                          -1, NULL,
 473                                          pop3_session->ac_prefs->account_name,
 474                                          _("Standby"));
 475         }
 476 }
 477
 478 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 479 {
 480         progress_dialog_get_fraction(inc_dialog->dialog);
 481         progress_dialog_set_label(inc_dialog->dialog, "");
 482         if (inc_dialog->mainwin)
 483                 main_window_progress_off(inc_dialog->mainwin);
 484 }
 485
 486 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 487 {
 488         cm_return_if_fail(inc_dialog != NULL);
 489
 490         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 491
 492         if (inc_dialog->mainwin)
 493                 main_window_progress_off(inc_dialog->mainwin);
 494         progress_dialog_destroy(inc_dialog->dialog);
 495
 496         g_free(inc_dialog);
 497 }
 498
 499 static IncSession *inc_session_new(PrefsAccount *account)
 500 {
 501         IncSession *session;
 502
 503         cm_return_val_if_fail(account != NULL, NULL);
 504
 505         if (account->protocol != A_POP3)
 506                 return NULL;
 507         if (!account->recv_server || !account->userid)
 508                 return NULL;
 509
 510         session = g_new0(IncSession, 1);
 511
 512         session->session = pop3_session_new(account);
 513         session->session->data = session;
 514         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 515         session_set_recv_message_notify(session->session,
 516                                         inc_recv_message, session);
 517         session_set_recv_data_progressive_notify(session->session,
 518                                                  inc_recv_data_progressive,
 519                                                  session);
 520         session_set_recv_data_notify(session->session,
 521                                      inc_recv_data_finished, session);
 522
 523         return session;
 524 }
 525
 526 static void inc_session_destroy(IncSession *session)
 527 {
 528         cm_return_if_fail(session != NULL);
 529
 530         session_destroy(session->session);
 531         g_free(session);
 532 }
 533
 534 static gint inc_start(IncProgressDialog *inc_dialog)
 535 {
 536         IncSession *session;
 537         GList *qlist;
 538         Pop3Session *pop3_session;
 539         IncState inc_state;
 540         gint error_num = 0;
 541         gint new_msgs = 0;
 542         gchar *msg;
 543         gchar *fin_msg;
 544         FolderItem *processing, *inbox;
 545         GSList *msglist, *msglist_element;
 546         gboolean cancelled = FALSE;
 547
 548         qlist = inc_dialog->queue_list;
 549         while (qlist != NULL) {
 550                 GList *next = qlist->next;
 551
 552                 session = qlist->data;
 553                 pop3_session = POP3_SESSION(session->session);
 554                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 555                 if (password_get(pop3_session->user,
 556                                         pop3_session->ac_prefs->recv_server,
 557                                         "pop3", SESSION(session)->port,
 558                                         &(pop3_session->pass))) {
 559                         /* NOP */;
 560                 } else if (pop3_session->ac_prefs->passwd)
 561                         pop3_session->pass =
 562                                 g_strdup(pop3_session->ac_prefs->passwd);
 563                 else {
 564                         gchar *pass;
 565
 566                         if (inc_dialog->show_dialog)
 567                                 manage_window_focus_in
 568                                         (inc_dialog->dialog->window,
 569                                          NULL, NULL);
 570
 571                         pass = input_dialog_query_password_keep
 572                                 (pop3_session->ac_prefs->recv_server,
 573                                  pop3_session->user,
 574                                  &(pop3_session->ac_prefs->session_passwd));
 575
 576                         if (inc_dialog->show_dialog)
 577                                 manage_window_focus_out
 578                                         (inc_dialog->dialog->window,
 579                                          NULL, NULL);
 580
 581                         if (pass) {
 582                                 pop3_session->pass = pass;
 583                         }
 584                 }
 585
 586                 qlist = next;
 587         }
 588
 589 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 590 {                                                                          \
 591         progress_dialog_list_set(inc_dialog->dialog,                       \
 592                                  inc_dialog->cur_row,                      \
 593                                  pix,                                      \
 594                                  NULL,                                     \
 595                                  str);                                     \
 596 }
 597
 598         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 599                 session = inc_dialog->queue_list->data;
 600                 pop3_session = POP3_SESSION(session->session);
 601                 GSList *filtered, *unfiltered;
 602
 603                 if (pop3_session->pass == NULL) {
 604                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 605                         inc_session_destroy(session);
 606                         inc_dialog->queue_list =
 607                                 g_list_remove(inc_dialog->queue_list, session);
 608                         continue;
 609                 }
 610
 611                 inc_progress_dialog_clear(inc_dialog);
 612                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 613                                               inc_dialog->cur_row);
 614
 615                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 616
 617                 /* begin POP3 session */
 618                 inc_state = inc_pop3_session_do(session);
 619
 620                 switch (inc_state) {
 621                 case INC_SUCCESS:
 622                         if (pop3_session->cur_total_num > 0)
 623                                 msg = g_strdup_printf(
 624                                         ngettext("Done (%d message (%s) received)",
 625                                                  "Done (%d messages (%s) received)",
 626                                          pop3_session->cur_total_num),
 627                                          pop3_session->cur_total_num,
 628                                          to_human_readable((goffset)pop3_session->cur_total_recv_bytes));
 629                         else
 630                                 msg = g_strdup_printf(_("Done (no new messages)"));
 631                         SET_PIXMAP_AND_TEXT(okpix, msg);
 632                         g_free(msg);
 633                         break;
 634                 case INC_CONNECT_ERROR:
 635                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 636                         break;
 637                 case INC_AUTH_FAILED:
 638                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 639                         if (pop3_session->ac_prefs->session_passwd) {
 640                                 g_free(pop3_session->ac_prefs->session_passwd);
 641                                 pop3_session->ac_prefs->session_passwd = NULL;
 642                         }
 643                         break;
 644                 case INC_LOCKED:
 645                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 646                         break;
 647                 case INC_ERROR:
 648                 case INC_NO_SPACE:
 649                 case INC_IO_ERROR:
 650                 case INC_SOCKET_ERROR:
 651                 case INC_EOF:
 652                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 653                         break;
 654                 case INC_TIMEOUT:
 655                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 656                         break;
 657                 case INC_CANCEL:
 658                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 659                         if (!inc_dialog->show_dialog)
 660                                 cancelled = TRUE;
 661                         break;
 662                 default:
 663                         break;
 664                 }
 665
 666                 if (pop3_session->error_val == PS_AUTHFAIL) {
 667                         if(!prefs_common.no_recv_err_panel) {
 668                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 669                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 670                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 671                         }
 672                 }
 673
 674                 /* CLAWS: perform filtering actions on dropped message */
 675                 /* CLAWS: get default inbox (perhaps per account) */
 676                 if (pop3_session->ac_prefs->inbox) {
 677                         /* CLAWS: get destination folder / mailbox */
 678                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 679                         if (!inbox)
 680                                 inbox = folder_get_default_inbox();
 681                 } else
 682                         inbox = folder_get_default_inbox();
 683
 684                 /* get list of messages in processing */
 685                 processing = folder_get_default_processing();
 686                 folder_item_scan(processing);
 687                 msglist = folder_item_get_msg_list(processing);
 688
 689                 /* process messages */
 690                 folder_item_update_freeze();
 691
 692                 procmsg_msglist_filter(msglist, pop3_session->ac_prefs,
 693                                 &filtered, &unfiltered,
 694                                 pop3_session->ac_prefs->filter_on_recv);
 695
 696                 filtering_move_and_copy_msgs(msglist);
 697                 if (unfiltered != NULL)
 698                         folder_item_move_msgs(inbox, unfiltered);
 699
 700                 for(msglist_element = msglist; msglist_element != NULL;
 701                     msglist_element = msglist_element->next) {
 702                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 703                         procmsg_msginfo_free(msginfo);
 704                 }
 705                 folder_item_update_thaw();
 706
 707                 g_slist_free(msglist);
 708                 g_slist_free(filtered);
 709                 g_slist_free(unfiltered);
 710
 711                 statusbar_pop_all();
 712
 713                 new_msgs += pop3_session->cur_total_num;
 714
 715                 pop3_write_uidl_list(pop3_session);
 716
 717                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 718                         error_num++;
 719                         if (inc_dialog->show_dialog)
 720                                 manage_window_focus_in
 721                                         (inc_dialog->dialog->window,
 722                                          NULL, NULL);
 723                         inc_put_error(inc_state, pop3_session);
 724                         if (inc_dialog->show_dialog)
 725                                 manage_window_focus_out
 726                                         (inc_dialog->dialog->window,
 727                                          NULL, NULL);
 728                         if (inc_state == INC_NO_SPACE ||
 729                             inc_state == INC_IO_ERROR)
 730                                 break;
 731                 }
 732                 folder_item_free_cache(processing, TRUE);
 733
 734                 inc_session_destroy(session);
 735                 inc_dialog->queue_list =
 736                         g_list_remove(inc_dialog->queue_list, session);
 737         }
 738
 739 #undef SET_PIXMAP_AND_TEXT
 740
 741         if (new_msgs > 0)
 742                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 743                                                    "Finished (%d new messages)",
 744                                                    new_msgs), new_msgs);
 745         else
 746                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 747
 748         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 749
 750         while (inc_dialog->queue_list != NULL) {
 751                 session = inc_dialog->queue_list->data;
 752                 inc_session_destroy(session);
 753                 inc_dialog->queue_list =
 754                         g_list_remove(inc_dialog->queue_list, session);
 755         }
 756
 757         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 758                 inc_progress_dialog_destroy(inc_dialog);
 759         else {
 760                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 761                                      fin_msg);
 762                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 763                                      GTK_STOCK_CLOSE);
 764         }
 765
 766         g_free(fin_msg);
 767
 768         return new_msgs;
 769 }
 770
 771 static IncState inc_pop3_session_do(IncSession *session)
 772 {
 773         Pop3Session *pop3_session = POP3_SESSION(session->session);
 774         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 775         gchar *server;
 776         gchar *account_name;
 777         gushort port;
 778         gchar *buf;
 779
 780         debug_print("getting new messages of account %s...\n",
 781                     pop3_session->ac_prefs->account_name);
 782
 783         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 784
 785         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 786                               pop3_session->ac_prefs->recv_server);
 787         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 788         g_free(buf);
 789
 790         server = pop3_session->ac_prefs->recv_server;
 791         account_name = pop3_session->ac_prefs->account_name;
 792 #ifdef USE_GNUTLS
 793         port = pop3_session->ac_prefs->set_popport ?
 794                 pop3_session->ac_prefs->popport :
 795                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 796         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 797         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 798                 SESSION(pop3_session)->nonblocking =
 799                         pop3_session->ac_prefs->use_nonblocking_ssl;
 800 #else
 801         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 802                 if (alertpanel_full(_("Insecure connection"),
 803                         _("This connection is configured to be secured "
 804                           "using SSL, but SSL is not available in this "
 805                           "build of Claws Mail. \n\n"
 806                           "Do you want to continue connecting to this "
 807                           "server? The communication would not be "
 808                           "secure."),
 809                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 810                           NULL, FALSE, NULL, ALERT_WARNING,
 811                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 812                         return INC_CANCEL;
 813         }
 814         port = pop3_session->ac_prefs->set_popport ?
 815                 pop3_session->ac_prefs->popport : 110;
 816 #endif
 817
 818         buf = g_strdup_printf(_("Account '%s': Connecting to POP3 server: %s:%d..."),
 819                                 account_name, server, port);
 820         statuswindow_print_all("%s", buf);
 821         log_message(LOG_PROTOCOL, "%s\n", buf);
 822
 823         progress_dialog_set_label(inc_dialog->dialog, buf);
 824         GTK_EVENTS_FLUSH();
 825         g_free(buf);
 826
 827         session_set_timeout(SESSION(pop3_session),
 828                             prefs_common.io_timeout_secs * 1000);
 829
 830         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 831                 if(!prefs_common.no_recv_err_panel) {
 832                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 833                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 834                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 835                         }
 836                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 837                                          server, port);
 838                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 839                 } else {
 840                         log_error(LOG_PROTOCOL, _("Can't connect to POP3 server: %s:%d\n"),
 841                             server, port);
 842                 }
 843                 session->inc_state = INC_CONNECT_ERROR;
 844                 statuswindow_pop_all();
 845                 return INC_CONNECT_ERROR;
 846         }
 847
 848         while (session_is_running(SESSION(pop3_session)) &&
 849                session->inc_state != INC_CANCEL)
 850                 gtk_main_iteration();
 851
 852         if (session->inc_state == INC_SUCCESS) {
 853                 switch (pop3_session->error_val) {
 854                 case PS_SUCCESS:
 855                         switch (SESSION(pop3_session)->state) {
 856                         case SESSION_ERROR:
 857                                 if (pop3_session->state == POP3_READY)
 858                                         session->inc_state = INC_CONNECT_ERROR;
 859                                 else
 860                                         session->inc_state = INC_ERROR;
 861                                 break;
 862                         case SESSION_EOF:
 863                                 session->inc_state = INC_EOF;
 864                                 break;
 865                         case SESSION_TIMEOUT:
 866                                 session->inc_state = INC_TIMEOUT;
 867                                 break;
 868                         default:
 869                                 session->inc_state = INC_SUCCESS;
 870                                 break;
 871                         }
 872                         break;
 873                 case PS_AUTHFAIL:
 874                         session->inc_state = INC_AUTH_FAILED;
 875                         break;
 876                 case PS_IOERR:
 877                         session->inc_state = INC_IO_ERROR;
 878                         break;
 879                 case PS_SOCKET:
 880                         session->inc_state = INC_SOCKET_ERROR;
 881                         break;
 882                 case PS_LOCKBUSY:
 883                         session->inc_state = INC_LOCKED;
 884                         break;
 885                 default:
 886                         session->inc_state = INC_ERROR;
 887                         break;
 888                 }
 889         }
 890
 891         session_disconnect(SESSION(pop3_session));
 892         statusbar_pop_all();
 893
 894         return session->inc_state;
 895 }
 896
 897 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 898                                        IncSession *inc_session)
 899 {
 900         inc_progress_dialog_set_label(inc_dialog, inc_session);
 901         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 902 }
 903
 904 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 905                                           IncSession *inc_session)
 906 {
 907         ProgressDialog *dialog = inc_dialog->dialog;
 908         Pop3Session *session;
 909
 910         cm_return_if_fail(inc_session != NULL);
 911
 912         session = POP3_SESSION(inc_session->session);
 913
 914         switch (session->state) {
 915         case POP3_GREETING:
 916                 break;
 917         case POP3_GETAUTH_USER:
 918         case POP3_GETAUTH_PASS:
 919         case POP3_GETAUTH_APOP:
 920                 progress_dialog_set_label(dialog, _("Authenticating..."));
 921                 statuswindow_pop_all();
 922                 statusbar_print_all(_("Retrieving messages from %s (%s)..."),
 923                                     SESSION(session)->server,
 924                                     session->ac_prefs->account_name);
 925                 break;
 926         case POP3_GETRANGE_STAT:
 927                 progress_dialog_set_label
 928                         (dialog, _("Getting the number of new messages (STAT)..."));
 929                 break;
 930         case POP3_GETRANGE_LAST:
 931                 progress_dialog_set_label
 932                         (dialog, _("Getting the number of new messages (LAST)..."));
 933                 break;
 934         case POP3_GETRANGE_UIDL:
 935                 progress_dialog_set_label
 936                         (dialog, _("Getting the number of new messages (UIDL)..."));
 937                 break;
 938         case POP3_GETSIZE_LIST:
 939                 progress_dialog_set_label
 940                         (dialog, _("Getting the size of messages (LIST)..."));
 941                 break;
 942         case POP3_RETR:
 943         case POP3_RETR_RECV:
 944         case POP3_DELETE:
 945                 break;
 946         case POP3_LOGOUT:
 947                 progress_dialog_set_label(dialog, _("Quitting"));
 948                 break;
 949         default:
 950                 break;
 951         }
 952 }
 953
 954 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 955                                              IncSession *inc_session)
 956 {
 957         gchar buf[MESSAGEBUFSIZE];
 958         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 959         gchar *total_size_str;
 960         gint cur_total;
 961         gint total;
 962
 963         if (!pop3_session->new_msg_exist) return;
 964
 965         cur_total = inc_session->cur_total_bytes;
 966         total = pop3_session->total_bytes;
 967         if (pop3_session->state == POP3_RETR ||
 968             pop3_session->state == POP3_RETR_RECV ||
 969             pop3_session->state == POP3_DELETE) {
 970                 Xstrdup_a(total_size_str, to_human_readable((goffset)total), return);
 971                 g_snprintf(buf, sizeof(buf),
 972                            _("Retrieving message (%d / %d) (%s / %s)"),
 973                            pop3_session->cur_msg, pop3_session->count,
 974                            to_human_readable((goffset)cur_total), total_size_str);
 975                 progress_dialog_set_label(inc_dialog->dialog, buf);
 976         }
 977
 978         progress_dialog_set_fraction
 979                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 980
 981         statusbar_progress_all(pop3_session->cur_msg, pop3_session->count, 1);
 982
 983         if (pop3_session->cur_total_num > 0) {
 984                 g_snprintf(buf, sizeof(buf),
 985                            ngettext("Retrieving (%d message (%s) received)",
 986                                     "Retrieving (%d messages (%s) received)",
 987                                     pop3_session->cur_total_num),
 988                            pop3_session->cur_total_num,
 989                            to_human_readable
 990                            ((goffset)pop3_session->cur_total_recv_bytes));
 991                 progress_dialog_list_set_status(inc_dialog->dialog,
 992                                                 inc_dialog->cur_row,
 993                                                 buf);
 994         }
 995 }
 996
 997 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
 998                                                 IncSession *inc_session)
 999 {
1000         GTimeVal tv_cur;
1001         GTimeVal tv_result;
1002         gint msec;
1003
1004         g_get_current_time(&tv_cur);
1005
1006         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
1007         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
1008         if (tv_result.tv_usec < 0) {
1009                 tv_result.tv_sec--;
1010                 tv_result.tv_usec += G_USEC_PER_SEC;
1011         }
1012
1013         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
1014         if (msec > PROGRESS_UPDATE_INTERVAL) {
1015                 inc_progress_dialog_update(inc_dialog, inc_session);
1016                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
1017                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
1018         }
1019 }
1020
1021 static gint inc_recv_data_progressive(Session *session, guint cur_len,
1022                                       guint total_len, gpointer data)
1023 {
1024         IncSession *inc_session = (IncSession *)data;
1025         Pop3Session *pop3_session = POP3_SESSION(session);
1026         IncProgressDialog *inc_dialog;
1027         gint cur_total;
1028
1029         cm_return_val_if_fail(inc_session != NULL, -1);
1030
1031         if (pop3_session->state != POP3_RETR &&
1032             pop3_session->state != POP3_RETR_RECV &&
1033             pop3_session->state != POP3_DELETE &&
1034             pop3_session->state != POP3_LOGOUT) return 0;
1035
1036         if (!pop3_session->new_msg_exist) return 0;
1037
1038         cur_total = pop3_session->cur_total_bytes + cur_len;
1039         if (cur_total > pop3_session->total_bytes)
1040                 cur_total = pop3_session->total_bytes;
1041         inc_session->cur_total_bytes = cur_total;
1042
1043         inc_dialog = (IncProgressDialog *)inc_session->data;
1044         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
1045
1046         return 0;
1047 }
1048
1049 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
1050 {
1051         IncSession *inc_session = (IncSession *)data;
1052         IncProgressDialog *inc_dialog;
1053
1054         cm_return_val_if_fail(inc_session != NULL, -1);
1055
1056         inc_dialog = (IncProgressDialog *)inc_session->data;
1057
1058         inc_recv_data_progressive(session, 0, 0, inc_session);
1059
1060         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1061                 inc_progress_dialog_update(inc_dialog, inc_session);
1062         }
1063
1064         return 0;
1065 }
1066
1067 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1068 {
1069         IncSession *inc_session = (IncSession *)data;
1070         IncProgressDialog *inc_dialog;
1071
1072         cm_return_val_if_fail(inc_session != NULL, -1);
1073
1074         inc_dialog = (IncProgressDialog *)inc_session->data;
1075
1076         switch (POP3_SESSION(session)->state) {
1077         case POP3_GETAUTH_USER:
1078         case POP3_GETAUTH_PASS:
1079         case POP3_GETAUTH_APOP:
1080         case POP3_GETRANGE_STAT:
1081         case POP3_GETRANGE_LAST:
1082         case POP3_GETRANGE_UIDL:
1083         case POP3_GETSIZE_LIST:
1084                 inc_progress_dialog_update(inc_dialog, inc_session);
1085                 break;
1086         case POP3_RETR:
1087                 inc_recv_data_progressive(session, 0, 0, inc_session);
1088                 break;
1089         case POP3_LOGOUT:
1090                 inc_progress_dialog_update(inc_dialog, inc_session);
1091                 break;
1092         default:
1093                 break;
1094         }
1095
1096         return 0;
1097 }
1098
1099 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1100 {
1101         FolderItem *inbox;
1102         FolderItem *dropfolder;
1103         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1104         gint msgnum;
1105
1106         cm_return_val_if_fail(inc_session != NULL, -1);
1107
1108         if (session->ac_prefs->inbox) {
1109                 inbox = folder_find_item_from_identifier
1110                         (session->ac_prefs->inbox);
1111                 if (!inbox)
1112                         inbox = folder_get_default_inbox();
1113         } else
1114                 inbox = folder_get_default_inbox();
1115         if (!inbox) {
1116                 claws_unlink(file);
1117                 return -1;
1118         }
1119
1120         /* CLAWS: claws uses a global .processing folder for the filtering. */
1121         dropfolder = folder_get_default_processing();
1122
1123         /* add msg file to drop folder */
1124         if ((msgnum = folder_item_add_msg(
1125                         dropfolder, file, NULL, TRUE)) < 0) {
1126                 claws_unlink(file);
1127                 return -1;
1128         }
1129
1130         return 0;
1131 }
1132
1133 static void inc_put_error(IncState istate, Pop3Session *session)
1134 {
1135         gchar *log_msg = NULL;
1136         gchar *err_msg = NULL;
1137         gboolean fatal_error = FALSE;
1138
1139         switch (istate) {
1140         case INC_CONNECT_ERROR:
1141                 fatal_error = TRUE;
1142                 if (prefs_common.no_recv_err_panel)
1143                         break;
1144                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1145                                           SESSION(session)->server,
1146                                           SESSION(session)->port);
1147                 break;
1148         case INC_ERROR:
1149                 log_msg = _("Error occurred while processing mail.");
1150                 fatal_error = TRUE;
1151                 if (prefs_common.no_recv_err_panel)
1152                         break;
1153                 if (session->error_msg)
1154                         err_msg = g_strdup_printf
1155                                 (_("Error occurred while processing mail:\n%s"),
1156                                  session->error_msg);
1157                 else
1158                         err_msg = g_strdup(log_msg);
1159                 break;
1160         case INC_NO_SPACE:
1161                 log_msg = _("No disk space left.");
1162                 err_msg = g_strdup(log_msg);
1163                 fatal_error = TRUE;
1164                 break;
1165         case INC_IO_ERROR:
1166                 log_msg = _("Can't write file.");
1167                 err_msg = g_strdup(log_msg);
1168                 fatal_error = TRUE;
1169                 break;
1170         case INC_SOCKET_ERROR:
1171                 log_msg = _("Socket error.");
1172                 if (prefs_common.no_recv_err_panel)
1173                         break;
1174                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1175                                           SESSION(session)->server,
1176                                           SESSION(session)->port);
1177                 break;
1178         case INC_EOF:
1179                 log_msg = _("Connection closed by the remote host.");
1180                 if (prefs_common.no_recv_err_panel)
1181                         break;
1182                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1183                                           SESSION(session)->server,
1184                                           SESSION(session)->port);
1185                 break;
1186         case INC_LOCKED:
1187                 log_msg = _("Mailbox is locked.");
1188                 if (prefs_common.no_recv_err_panel)
1189                         break;
1190                 if (session->error_msg)
1191                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1192                                                   session->error_msg);
1193                 else
1194                         err_msg = g_strdup(log_msg);
1195                 break;
1196         case INC_AUTH_FAILED:
1197                 log_msg = _("Authentication failed.");
1198                 fatal_error = TRUE;
1199                 if (prefs_common.no_recv_err_panel)
1200                         break;
1201                 if (session->error_msg)
1202                         err_msg = g_strdup_printf
1203                                 (_("Authentication failed:\n%s"), session->error_msg);
1204                 else
1205                         err_msg = g_strdup(log_msg);
1206                 break;
1207         case INC_TIMEOUT:
1208                 log_msg = _("Session timed out. You may be able to "
1209                             "recover by increasing the timeout value in "
1210                             "Preferences/Other/Miscellaneous.");
1211                 if (prefs_common.no_recv_err_panel)
1212                         break;
1213                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1214                                           SESSION(session)->server,
1215                                           SESSION(session)->port);
1216                 break;
1217         default:
1218                 break;
1219         }
1220
1221         if (log_msg) {
1222                 if (fatal_error)
1223                         log_error(LOG_PROTOCOL, "%s\n", log_msg);
1224                 else
1225                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
1226         }
1227         if (prefs_common.no_recv_err_panel && fatal_error)
1228                 mainwindow_show_error();
1229
1230         if (err_msg) {
1231                 alertpanel_error_log("%s", err_msg);
1232                 g_free(err_msg);
1233         }
1234 }
1235
1236 static void inc_cancel(IncProgressDialog *dialog)
1237 {
1238         IncSession *session;
1239
1240         cm_return_if_fail(dialog != NULL);
1241
1242         if (dialog->queue_list == NULL) {
1243                 inc_progress_dialog_destroy(dialog);
1244                 return;
1245         }
1246
1247         session = dialog->queue_list->data;
1248
1249         session->inc_state = INC_CANCEL;
1250
1251         log_message(LOG_PROTOCOL, _("Incorporation cancelled\n"));
1252 }
1253
1254 gboolean inc_is_active(void)
1255 {
1256         return (inc_dialog_list != NULL);
1257 }
1258
1259 void inc_cancel_all(void)
1260 {
1261         GList *cur;
1262
1263         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1264                 inc_cancel((IncProgressDialog *)cur->data);
1265 }
1266
1267 static void inc_showlog_cb(GtkWidget *widget, gpointer data)
1268 {
1269         MainWindow *mainwin = mainwindow_get_mainwindow();
1270
1271         log_window_show(mainwin->logwin);
1272 }
1273
1274 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1275 {
1276         inc_cancel((IncProgressDialog *)data);
1277 }
1278
1279 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1280                                  gpointer data)
1281 {
1282         IncProgressDialog *dialog = (IncProgressDialog *)data;
1283
1284         if (dialog->queue_list == NULL)
1285                 inc_progress_dialog_destroy(dialog);
1286
1287         return TRUE;
1288 }
1289
1290 static gint inc_spool_account(PrefsAccount *account)
1291 {
1292         FolderItem *inbox;
1293         gchar *mbox;
1294         gint result;
1295
1296         if (account->local_inbox) {
1297                 inbox = folder_find_item_from_identifier(account->local_inbox);
1298                 if (!inbox)
1299                         inbox = folder_get_default_inbox();
1300         } else
1301                 inbox = folder_get_default_inbox();
1302
1303         if (account->local_mbox) {
1304                 if (is_file_exist(account->local_mbox))
1305                         mbox = g_strdup(account->local_mbox);
1306                 else if (is_dir_exist(account->local_mbox))
1307                         mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1308                                            g_get_user_name(), NULL);
1309                 else {
1310                         debug_print("%s: local mailbox not found.\n",
1311                                     account->local_mbox);
1312                         return -1;
1313                 }
1314         } else {
1315                 debug_print("local mailbox not set in account info.\n");
1316                 return -1;
1317         }
1318
1319         result = get_spool(inbox, mbox, account);
1320         g_free(mbox);
1321
1322         statusbar_pop_all();
1323
1324         return result;
1325 }
1326
1327 static gint inc_all_spool(void)
1328 {
1329         GList *list = NULL;
1330         gint new_msgs = 0;
1331         gint account_new_msgs = 0;
1332
1333         list = account_get_list();
1334         if (!list) return 0;
1335
1336         for (; list != NULL; list = list->next) {
1337                 PrefsAccount *account = list->data;
1338
1339                 if ((account->protocol == A_LOCAL) &&
1340                     (account->recv_at_getall)) {
1341                         account_new_msgs = inc_spool_account(account);
1342                         if (account_new_msgs > 0)
1343                                 new_msgs += account_new_msgs;
1344                 }
1345         }
1346
1347         return new_msgs;
1348 }
1349
1350 static gint get_spool(FolderItem *dest, const gchar *mbox, PrefsAccount *account)
1351 {
1352         gint msgs, size;
1353         gint lockfd;
1354         gchar tmp_mbox[MAXPATHLEN + 1];
1355
1356         cm_return_val_if_fail(dest != NULL, -1);
1357         cm_return_val_if_fail(mbox != NULL, -1);
1358         cm_return_val_if_fail(account != NULL, -1);
1359
1360         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1361                 debug_print("%s: no messages in local mailbox.\n", mbox);
1362                 return 0;
1363         } else if (size < 0)
1364                 return -1;
1365
1366         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1367                 return -1;
1368
1369         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%p",
1370                    get_tmp_dir(), G_DIR_SEPARATOR, mbox);
1371
1372         if (copy_mbox(lockfd, tmp_mbox) < 0) {
1373                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1374                 return -1;
1375         }
1376
1377         debug_print("Getting new messages from %s into %s...\n",
1378                     mbox, dest->path);
1379
1380         msgs = proc_mbox(dest, tmp_mbox, account->filter_on_recv, account);
1381
1382         claws_unlink(tmp_mbox);
1383         if (msgs >= 0) empty_mbox(mbox);
1384         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1385
1386         return msgs;
1387 }
1388
1389 void inc_lock_real(void)
1390 {
1391         inc_lock_count++;
1392 }
1393
1394 void inc_unlock_real(void)
1395 {
1396         if (inc_lock_count > 0)
1397                 inc_lock_count--;
1398 }
1399
1400 static guint autocheck_timer = 0;
1401 static gpointer autocheck_data = NULL;
1402
1403 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1404 {
1405         gchar *buf, *numpos, *ret_str;
1406         gssize by_read = 0, by_written = 0;
1407
1408         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1409             *prefs_common.newmail_notify_cmd))
1410                      return;
1411
1412         buf = g_strdup(prefs_common.newmail_notify_cmd);
1413         if ((numpos = strstr(buf, "%d")) != NULL) {
1414                 gchar *buf2;
1415
1416                 *numpos = '\0';
1417                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1418                 g_free(buf);
1419                 buf = buf2;
1420         }
1421
1422         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1423                                      NULL);
1424         if (ret_str && by_written) {
1425                 g_free(buf);
1426                 buf = ret_str;
1427         }
1428         debug_print("executing new mail notification command: %s\n", buf);
1429         execute_command_line(buf, TRUE);
1430
1431         g_free(buf);
1432 }
1433
1434 void inc_autocheck_timer_init(MainWindow *mainwin)
1435 {
1436         autocheck_data = mainwin;
1437         inc_autocheck_timer_set();
1438 }
1439
1440 static void inc_autocheck_timer_set_interval(guint interval)
1441 {
1442         inc_autocheck_timer_remove();
1443         /* last test is to avoid re-enabling auto_check after modifying
1444            the common preferences */
1445         if (prefs_common.autochk_newmail && autocheck_data
1446             && prefs_common.work_offline == FALSE) {
1447 #if GLIB_CHECK_VERSION(2,14,0)
1448                 if (interval % 1000 == 0)
1449                         autocheck_timer =
1450                                 g_timeout_add_seconds(interval/1000, inc_autocheck_func, autocheck_data);
1451                 else
1452 #endif
1453                 autocheck_timer = g_timeout_add
1454                         (interval, inc_autocheck_func, autocheck_data);
1455                 debug_print("added timer = %d\n", autocheck_timer);
1456         }
1457 }
1458
1459 void inc_autocheck_timer_set(void)
1460 {
1461         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1462 }
1463
1464 void inc_autocheck_timer_remove(void)
1465 {
1466         if (autocheck_timer) {
1467                 debug_print("removed timer = %d\n", autocheck_timer);
1468                 g_source_remove(autocheck_timer);
1469                 autocheck_timer = 0;
1470         }
1471 }
1472
1473 static gint inc_autocheck_func(gpointer data)
1474 {
1475         MainWindow *mainwin = (MainWindow *)data;
1476
1477         if (inc_lock_count) {
1478                 debug_print("autocheck is locked.\n");
1479                 inc_autocheck_timer_set_interval(1000);
1480                 return FALSE;
1481         }
1482
1483         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1484
1485         return FALSE;
1486 }
1487
1488 gboolean inc_offline_should_override(gboolean force_ask, const gchar *msg)
1489 {
1490         static time_t overridden_yes = 0;
1491         static time_t overridden_no  = 0;
1492         int length = 10; /* minutes */
1493         gint answer = G_ALERTDEFAULT;
1494
1495 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1496         /* If no network connection is available, override is not possible */
1497         if(!networkmanager_is_online(NULL))
1498                 return FALSE;
1499 #endif
1500
1501         if (prefs_common.autochk_newmail)
1502                 length = prefs_common.autochk_itv; /* minutes */
1503
1504         if (force_ask) {
1505                 overridden_no = (time_t)0;
1506         }
1507
1508         if (prefs_common.work_offline) {
1509                 gchar *tmp = NULL;
1510
1511                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1512                          return TRUE;
1513                 else if (time(NULL) - overridden_no < length * 60) /* seconds */
1514                          return FALSE;
1515
1516                 if (!force_ask)
1517                         tmp = g_strdup_printf(
1518                                 _("%s%sYou're working offline. Override for %d minutes?"),
1519                                 msg?msg:"",
1520                                 msg?"\n\n":"",
1521                                 length);
1522                 else
1523                         tmp = g_strdup_printf(
1524                                 _("%s%sYou're working offline. Override?"),
1525                                 msg?msg:"",
1526                                 msg?"\n\n":"");
1527
1528                 answer = alertpanel(_("Offline warning"),
1529                                tmp,
1530                                GTK_STOCK_NO, "+" GTK_STOCK_YES,
1531                                 !force_ask? _("On_ly once"):NULL);
1532                 g_free(tmp);
1533                 if (answer == G_ALERTALTERNATE) {
1534                         overridden_yes = time(NULL);
1535                         return TRUE;
1536                 } else if (answer == G_ALERTDEFAULT) {
1537                         if (!force_ask)
1538                                 overridden_no  = time(NULL);
1539                         return FALSE;
1540                 } else {
1541                         overridden_yes = (time_t)0;
1542                         overridden_no  = (time_t)0;
1543                         return TRUE;
1544                 }
1545         }
1546         return TRUE;
1547 }