* src/filtering.[ch]
[claws.git] / src / inc.c
index 35d1bc63e6832e4240ce8953a97cd0498dedeb27..3aa76aca1a6dcfb2874ab094f913047ce8e5f1ac 100644 (file)
--- a/src/inc.c
+++ b/src/inc.c
@@ -1,6 +1,6 @@
 /*
  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2001 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2002 Hiroyuki Yamamoto
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -27,6 +27,7 @@
 #include <gtk/gtkmain.h>
 #include <gtk/gtkwindow.h>
 #include <gtk/gtksignal.h>
+#include <gtk/gtkprogressbar.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
@@ -47,6 +48,7 @@
 #include "account.h"
 #include "procmsg.h"
 #include "socket.h"
+#include "ssl.h"
 #include "pop.h"
 #include "recv.h"
 #include "mbox.h"
@@ -54,6 +56,7 @@
 #include "gtkutils.h"
 #include "statusbar.h"
 #include "manage_window.h"
+#include "stock_pixmap.h"
 #include "progressdialog.h"
 #include "inputdialog.h"
 #include "alertpanel.h"
 #include "automaton.h"
 #include "folder.h"
 #include "filtering.h"
+#include "selective_download.h"
 
-#include "pixmaps/continue.xpm"
-#include "pixmaps/complete.xpm"
-#include "pixmaps/error.xpm"
+static guint inc_lock_count = 0;
 
-GdkPixmap *currentxpm;
-GdkBitmap *currentxpmmask;
-GdkPixmap *errorxpm;
-GdkBitmap *errorxpmmask;
-GdkPixmap *okxpm;
-GdkBitmap *okxpmmask;
+static GdkPixmap *currentxpm;
+static GdkBitmap *currentxpmmask;
+static GdkPixmap *errorxpm;
+static GdkBitmap *errorxpmmask;
+static GdkPixmap *okxpm;
+static GdkBitmap *okxpmmask;
 
 #define MSGBUFSIZE     8192
 
@@ -95,11 +97,7 @@ static gint pop3_automaton_terminate (SockInfo               *source,
 static GHashTable *inc_get_uidl_table  (PrefsAccount           *ac_prefs);
 static void inc_write_uidl_list                (Pop3State              *state);
 
-#if USE_THREADS
-static gint connection_check_cb                (Automaton      *atm);
-#endif
-
-static void inc_pop3_recv_func         (SockInfo       *sock,
+static gboolean inc_pop3_recv_func     (SockInfo       *sock,
                                         gint            count,
                                         gint            read_bytes,
                                         gpointer        data);
@@ -114,9 +112,13 @@ static gint get_spool                      (FolderItem     *dest,
                                         const gchar    *mbox);
 
 static void inc_all_spool(void);
+static void inc_autocheck_timer_set_interval   (guint           interval);
+static gint inc_autocheck_func                 (gpointer        data);
 
-static gint inc_autocheck_func         (gpointer        data);
-
+#define FOLDER_SUMMARY_MISMATCH(f, s) \
+       (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
+       : FALSE
+       
 /**
  * inc_finished:
  * @mainwin: Main window.
@@ -131,23 +133,7 @@ static void inc_finished(MainWindow *mainwin, gboolean new_messages)
        FolderItem *item;
 
        if (prefs_common.scan_all_after_inc)
-               folderview_update_all_node();
-       /* XXX: major problems right here. if we change marks after
-        * incorporation of mail, folderview_select() rewrites it
-        * right under our nose. folderview_select() eventually
-        * calls summary_show(), which rewrites the cache twice:
-        * one for the previously selected FolderItem*, and one
-        * for the newly selected FolderItem* 
-        *
-        * since filtering also allows changing mark files, 
-        * i've solved this by using a global variable (in 
-        * SummmaryView*). a better solution is to use the folder
-        * hash table, and see whether the newly and currently 
-        * selected FolderItem* where updated by the filtering. */
-
-       mainwin->summaryview->filtering_happened = TRUE;
-
-       /* XXX: filtering_happened is reset by summary_show() */
+               folderview_check_new(NULL);
 
        if (!new_messages && !prefs_common.scan_all_after_inc) return;
 
@@ -155,12 +141,16 @@ static void inc_finished(MainWindow *mainwin, gboolean new_messages)
                item = cur_account && cur_account->inbox
                        ? folder_find_item_from_path(cur_account->inbox)
                        : folder_get_default_inbox();
-               folderview_unselect(mainwin->folderview);
-               folderview_select(mainwin->folderview, item);
+               if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {      
+                       folderview_unselect(mainwin->folderview);
+                       folderview_select(mainwin->folderview, item);
+               }       
        } else {
                item = mainwin->summaryview->folder_item;
-               folderview_unselect(mainwin->folderview);
-               folderview_select(mainwin->folderview, item);
+               if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
+                       folderview_unselect(mainwin->folderview);
+                       folderview_select(mainwin->folderview, item);
+               }       
        }
 }
 
@@ -168,34 +158,20 @@ void inc_mail(MainWindow *mainwin)
 {
        gint new_msgs = 0;
 
+       if (inc_lock_count) return;
+
        inc_autocheck_timer_remove();
        summary_write_cache(mainwin->summaryview);
        main_window_lock(mainwin);
 
-       if (prefs_common.use_extinc && prefs_common.extinc_path) {
-               gint pid;
-
+       if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
                /* external incorporating program */
-               if ((pid = fork()) < 0) {
-                       perror("fork");
+               if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
                        main_window_unlock(mainwin);
                        inc_autocheck_timer_set();
                        return;
                }
 
-               if (pid == 0) {
-                       execlp(prefs_common.extinc_path,
-                              g_basename(prefs_common.extinc_path),
-                              NULL);
-
-                       /* this will be called when failed */
-                       perror("exec");
-                       _exit(1);
-               }
-
-               /* wait until child process is terminated */
-               waitpid(pid, NULL, 0);
-
                if (prefs_common.inc_local)
                        new_msgs = inc_spool();
        } else {
@@ -210,12 +186,29 @@ void inc_mail(MainWindow *mainwin)
        inc_autocheck_timer_set();
 }
 
+gint inc_selective_download(MainWindow *mainwin, gint session_type)
+{
+       PrefsAccount *account = cur_account;
+       gint new_msgs = 0;      
+
+       account->session_type = session_type;
+       new_msgs = inc_account_mail(account, mainwin);
+       account->session_type = RETR_NORMAL;
+       
+       return new_msgs;
+}
+
 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 {
        IncProgressDialog *inc_dialog;
        IncSession *session;
        gchar *text[3];
 
+       if (account->protocol == A_IMAP4 || account->protocol == A_NNTP) {
+               folderview_check_new(FOLDER(account->folder));
+               return 1;
+       }
+
        session = inc_session_new(account);
        if (!session) return 0;
 
@@ -238,6 +231,8 @@ void inc_all_account_mail(MainWindow *mainwin)
        IncProgressDialog *inc_dialog;
        gint new_msgs = 0;
 
+       if (inc_lock_count) return;
+
        inc_autocheck_timer_remove();
        summary_write_cache(mainwin->summaryview);
        main_window_lock(mainwin);
@@ -253,10 +248,19 @@ void inc_all_account_mail(MainWindow *mainwin)
                return;
        }
 
+       /* check IMAP4 folders */
        for (; list != NULL; list = list->next) {
-               IncSession *session;
                PrefsAccount *account = list->data;
+               if ((account->protocol == A_IMAP4 ||
+                    account->protocol == A_NNTP) && account->recv_at_getall)
+                       folderview_check_new(FOLDER(account->folder));
+       }
 
+       /* check POP3 accounts */
+       for (list = account_get_list(); list != NULL; list = list->next) {
+               IncSession *session;
+               PrefsAccount *account = list->data;
+               account->session_type = RETR_NORMAL;
                if (account->recv_at_getall) {
                        session = inc_session_new(account);
                        if (session)
@@ -307,13 +311,16 @@ static IncProgressDialog *inc_progress_dialog_create(void)
                           GTK_SIGNAL_FUNC(inc_cancel), dialog);
        gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
                           GTK_SIGNAL_FUNC(gtk_true), NULL);
+       /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 
        progress_dialog_set_value(progress, 0.0);
 
-       PIXMAP_CREATE(progress->clist, okxpm, okxpmmask, complete_xpm);
-       PIXMAP_CREATE(progress->clist,
-                     currentxpm, currentxpmmask, continue_xpm);
-       PIXMAP_CREATE(progress->clist, errorxpm, errorxpmmask, error_xpm);
+       stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
+                        &okxpm, &okxpmmask);
+       stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
+                        &currentxpm, &currentxpmmask);
+       stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
+                        &errorxpm, &errorxpmmask);
 
        if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
            (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
@@ -332,12 +339,16 @@ static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 {
        progress_dialog_set_value(inc_dialog->dialog, 0.0);
        progress_dialog_set_label(inc_dialog->dialog, "");
+       gtk_progress_bar_update
+               (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 }
 
 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 {
        g_return_if_fail(inc_dialog != NULL);
 
+       gtk_progress_bar_update
+               (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
        progress_dialog_destroy(inc_dialog->dialog);
 
        g_free(inc_dialog);
@@ -423,6 +434,8 @@ static gint inc_start(IncProgressDialog *inc_dialog)
 
                inc_progress_dialog_clear(inc_dialog);
 
+               gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
+
                pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
                if (pop3_state->ac_prefs->passwd)
                        pop3_state->pass =
@@ -432,16 +445,11 @@ static gint inc_start(IncProgressDialog *inc_dialog)
                                g_strdup(pop3_state->ac_prefs->tmp_pass);
                else {
                        gchar *pass;
-                       gchar *message;
 
-                       message = g_strdup_printf
-                               (_("Input password for %s on %s:"),
-                                pop3_state->user,
-                                pop3_state->ac_prefs->recv_server);
+                       pass = input_dialog_query_password
+                               (pop3_state->ac_prefs->recv_server,
+                                pop3_state->user);
 
-                       pass = input_dialog_with_invisible(_("Input password"),
-                                                          message, NULL);
-                       g_free(message);
                        if (inc_dialog->show_dialog)
                                manage_window_focus_in
                                        (inc_dialog->mainwin->window,
@@ -496,6 +504,47 @@ static gint inc_start(IncProgressDialog *inc_dialog)
 
                statusbar_pop_all();
 
+               /* CLAWS: perform filtering actions on dropped message */
+               if (global_processing != NULL) {
+                       FolderItem *processing, *inbox;
+                       Folder *folder;
+                       MsgInfo *msginfo;
+                       GSList *msglist, *msglist_element;
+
+                       /* CLAWS: get default inbox (perhaps per account) */
+                       if (pop3_state->ac_prefs->inbox) {
+                               /* CLAWS: get destination folder / mailbox */
+                               inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
+                               if (!inbox)
+                                       inbox = folder_get_default_inbox();
+                       } else
+                               inbox = folder_get_default_inbox();
+
+                       /* get list of messages in processing */
+                       processing = folder_get_default_processing();
+                       folder_item_scan(processing);
+                       folder = processing->folder;
+                       msglist = folder->get_msg_list(folder, processing, FALSE);
+
+                       /* process messages */
+                       for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
+                               msginfo = (MsgInfo *) msglist_element->data;
+                               /* filter if enabled in prefs or move to inbox if not */
+                               if(pop3_state->ac_prefs->filter_on_recv) {
+                                       filter_message_by_msginfo_with_inbox(global_processing, msginfo,
+                                                                            pop3_state->folder_table,
+                                                                            inbox);
+                               } else {
+                                       folder_item_move_msg(inbox, msginfo);
+                                       g_hash_table_insert(pop3_state->folder_table, inbox,
+                                                           GINT_TO_POINTER(1));
+                               }
+                               procmsg_msginfo_free(msginfo);
+                       }
+                       g_slist_free(msglist);
+               }
+
+
                new_msgs += pop3_state->cur_total_num;
 
                if (!prefs_common.scan_all_after_inc) {
@@ -527,7 +576,7 @@ static gint inc_start(IncProgressDialog *inc_dialog)
                num++;
        }
 
-       if (error_num) {
+       if (error_num && !prefs_common.noerrorpanel) {
                if (inc_dialog->show_dialog)
                        manage_window_focus_in(inc_dialog->dialog->window,
                                               NULL, NULL);
@@ -549,7 +598,6 @@ static gint inc_start(IncProgressDialog *inc_dialog)
        return new_msgs;
 }
 
-
 static IncState inc_pop3_session_do(IncSession *session)
 {
        Pop3State *pop3_state = session->pop3_state;
@@ -569,6 +617,7 @@ static IncState inc_pop3_session_do(IncSession *session)
                pop3_getrange_last_send , pop3_getrange_last_recv,
                pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
                pop3_getsize_list_send  , pop3_getsize_list_recv,
+               pop3_top_send           , pop3_top_recv,
                pop3_retr_send          , pop3_retr_recv,
                pop3_delete_send        , pop3_delete_recv,
                pop3_logout_send        , pop3_logout_recv
@@ -602,7 +651,8 @@ static IncState inc_pop3_session_do(IncSession *session)
        server = pop3_state->ac_prefs->recv_server;
 #if USE_SSL
        port = pop3_state->ac_prefs->set_popport ?
-               pop3_state->ac_prefs->popport : (pop3_state->ac_prefs->ssl_pop ? 995 : 110);
+               pop3_state->ac_prefs->popport :
+               pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 #else
        port = pop3_state->ac_prefs->set_popport ?
                pop3_state->ac_prefs->popport : 110;
@@ -613,12 +663,9 @@ static IncState inc_pop3_session_do(IncSession *session)
        progress_dialog_set_label(inc_dialog->dialog, buf);
        g_free(buf);
        GTK_EVENTS_FLUSH();
+       statusbar_pop_all();
 
-#if USE_THREADS
-       if ((sockinfo = sock_connect_with_thread(server, port)) == NULL) {
-#else
        if ((sockinfo = sock_connect(server, port)) == NULL) {
-#endif
                log_warning(_("Can't connect to POP3 server: %s:%d\n"),
                            server, port);
                if(!prefs_common.noerrorpanel) {
@@ -632,53 +679,35 @@ static IncState inc_pop3_session_do(IncSession *session)
                }
                pop3_automaton_terminate(NULL, atm);
                automaton_destroy(atm);
+               return INC_CONNECT_ERROR;
+       }
 
+#if USE_SSL
+       if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
+               pop3_automaton_terminate(NULL, atm);
+               automaton_destroy(atm);
                return INC_CONNECT_ERROR;
        }
+#endif
 
        /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
         * to the sock structure - implement a reference counter?? */
        pop3_state->sockinfo = sockinfo;
        atm->help_sock = sockinfo;
 
-#ifdef USE_SSL
-       if(pop3_state->ac_prefs->ssl_pop) {
-               if(!ssl_init_socket(sockinfo)) {
-                       pop3_automaton_terminate(NULL, atm);
-                       automaton_destroy(atm);
-                       
-                       return INC_CONNECT_ERROR;
-               }
-       } else {
-               sockinfo->ssl = NULL;
-       }
-#endif
-
-
+       log_verbosity_set(TRUE);
        recv_set_ui_func(inc_pop3_recv_func, session);
 
-#if USE_THREADS
-       atm->timeout_tag = gtk_timeout_add
-               (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
-#else
        atm->tag = sock_gdk_input_add(sockinfo,
                                      atm->state[atm->num].condition,
                                      automaton_input_cb, atm);
-#endif
 
-       gtk_main();
+       while (!atm->terminated)
+               gtk_main_iteration();
 
+       log_verbosity_set(FALSE);
        recv_set_ui_func(NULL, NULL);
 
-#if USE_THREADS
-/*
-       pthread_join(sockinfo->connect_thr, NULL);
-*/     
-#endif
-
-#if USE_SSL
-       ssl_done_socket(sockinfo);
-#endif
        automaton_destroy(atm);
 
        return pop3_state->inc_state;
@@ -686,6 +715,8 @@ static IncState inc_pop3_session_do(IncSession *session)
 
 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 {
+       if (atm->terminated) return 0;
+
        if (atm->tag > 0) {
                gdk_input_remove(atm->tag);
                atm->tag = 0;
@@ -694,10 +725,8 @@ static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
                gtk_timeout_remove(atm->timeout_tag);
                atm->timeout_tag = 0;
        }
-       if (source) {
+       if (source)
                sock_close(source);
-               gtk_main_quit();
-       }
 
        atm->terminated = TRUE;
 
@@ -765,45 +794,8 @@ static void inc_write_uidl_list(Pop3State *state)
        g_free(path);
 }
 
-#if USE_THREADS
-static gint connection_check_cb(Automaton *atm)
-{
-       Pop3State *state = atm->data;
-       IncProgressDialog *inc_dialog = state->session->data;
-       SockInfo *sockinfo = state->sockinfo;
-
-       /* g_print("connection check\n"); */
-
-       if (sockinfo->state == CONN_LOOKUPFAILED ||
-           sockinfo->state == CONN_FAILED) {
-               atm->timeout_tag = 0;
-               log_warning(_("Can't connect to POP3 server: %s:%d\n"),
-                           sockinfo->hostname, sockinfo->port);
-               if(!prefs_common.noerrorpanel) {
-                       if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
-                           ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
-                               manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
-                       }
-                       alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
-                                        sockinfo->hostname, sockinfo->port);
-                       manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
-               }
-               pop3_automaton_terminate(sockinfo, atm);
-               return FALSE;
-       } else if (sockinfo->state == CONN_ESTABLISHED) {
-               atm->timeout_tag = 0;
-               atm->tag = sock_gdk_input_add(sockinfo,
-                                             atm->state[atm->num].condition,
-                                             automaton_input_cb, atm);
-               return FALSE;
-       } else {
-               return TRUE;
-       }
-}
-#endif
-
-static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
-                              gpointer data)
+static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
+                                  gpointer data)
 {
        gchar buf[MSGBUFSIZE];
        IncSession *session = (IncSession *)data;
@@ -817,7 +809,8 @@ static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
        if (cur_total > state->total_bytes)
                cur_total = state->total_bytes;
 
-       Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
+       Xstrdup_a(total_size, to_human_readable(state->total_bytes),
+                 return FALSE);
        g_snprintf(buf, sizeof(buf),
                   _("Retrieving message (%d / %d) (%s / %s)"),
                   state->cur_msg, state->count,
@@ -826,7 +819,15 @@ static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 
        progress_dialog_set_percentage
                (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
+       gtk_progress_bar_update
+               (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
+                (gfloat)cur_total / (gfloat)state->total_bytes);
        GTK_EVENTS_FLUSH();
+
+       if (state->inc_state == INC_CANCEL)
+               return FALSE;
+       else
+               return TRUE;
 }
 
 void inc_progress_update(Pop3State *state, Pop3Phase phase)
@@ -845,7 +846,7 @@ void inc_progress_update(Pop3State *state, Pop3Phase phase)
        case POP3_GETAUTH_PASS_RECV:
        case POP3_GETAUTH_APOP_SEND:
        case POP3_GETAUTH_APOP_RECV:
-               progress_dialog_set_label(dialog, _("Authorizing..."));
+               progress_dialog_set_label(dialog, _("Authenticating..."));
                break;
        case POP3_GETRANGE_STAT_SEND:
        case POP3_GETRANGE_STAT_RECV:
@@ -867,6 +868,21 @@ void inc_progress_update(Pop3State *state, Pop3Phase phase)
                progress_dialog_set_label
                        (dialog, _("Getting the size of messages (LIST)..."));
                break;
+       case POP3_TOP_SEND:
+       case POP3_TOP_RECV:
+               g_snprintf(buf, sizeof(buf),
+                          _("Retrieving header (%d / %d)"),
+                          state->cur_msg, state->count);
+               progress_dialog_set_label (dialog, buf);
+               progress_dialog_set_percentage
+                       (dialog,
+                        (gfloat)(state->cur_msg) /
+                        (gfloat)(state->count));
+               gtk_progress_bar_update 
+                       (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
+                        (gfloat)(state->cur_msg) /
+                        (gfloat)(state->count));
+               break;
        case POP3_RETR_SEND:
        case POP3_RETR_RECV:
                Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
@@ -880,6 +896,10 @@ void inc_progress_update(Pop3State *state, Pop3Phase phase)
                        (dialog,
                         (gfloat)(state->cur_total_bytes) /
                         (gfloat)(state->total_bytes));
+               gtk_progress_bar_update
+                       (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
+                        (gfloat)(state->cur_total_bytes) /
+                        (gfloat)(state->total_bytes));
                break;
        case POP3_DELETE_SEND:
        case POP3_DELETE_RECV:
@@ -900,9 +920,11 @@ gint inc_drop_message(const gchar *file, Pop3State *state)
        FolderItem *dropfolder;
        gint val;
        gint msgnum;
-       
+
+       /* CLAWS: get default inbox (perhaps per account) */
        if (state->ac_prefs->inbox) {
-               inbox = folder_find_item_from_path(state->ac_prefs->inbox);
+               /* CLAWS: get destination folder / mailbox */
+               inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
                if (!inbox)
                        inbox = folder_get_default_inbox();
        } else
@@ -912,8 +934,8 @@ gint inc_drop_message(const gchar *file, Pop3State *state)
                return -1;
        }
 
-       if (prefs_filtering == NULL) {
-               /* old filtering */
+       /* CLAWS: claws uses a global .processing folder for the filtering. */
+       if (global_processing == NULL) {
                if (state->ac_prefs->filter_on_recv) {
                        dropfolder =
                                filter_get_dest_folder(prefs_common.fltlist, file);
@@ -925,8 +947,7 @@ gint inc_drop_message(const gchar *file, Pop3State *state)
                } else
                        dropfolder = inbox;
        } else {
-               /* new filtering */
-               dropfolder = inbox;
+               dropfolder = folder_get_default_processing();
        }
 
        val = GPOINTER_TO_INT(g_hash_table_lookup
@@ -936,16 +957,12 @@ gint inc_drop_message(const gchar *file, Pop3State *state)
                g_hash_table_insert(state->folder_table, dropfolder,
                                    GINT_TO_POINTER(1));
        }
-
-       if (prefs_filtering == NULL || !state->ac_prefs->filter_on_recv) {
-               if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
-                       unlink(file);
-                       return -1;
-               }
+       
+       /* add msg file to drop folder */
+       if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
+               unlink(file);
+               return -1;
        }
-       else {
-               filter_incoming_message(dropfolder, file, state->folder_table);
-        }              
 
        return 0;
 }
@@ -972,17 +989,11 @@ static void inc_cancel(GtkWidget *widget, gpointer data)
        IncSession *session = dialog->queue_list->data;
        SockInfo *sockinfo = session->pop3_state->sockinfo;
 
-#if USE_THREADS
-       if (sockinfo->state == CONN_READY ||
-           sockinfo->state == CONN_LOOKUPSUCCESS) {
-               pthread_cancel(sockinfo->connect_thr);
-               /* pthread_kill(sockinfo->connect_thr, SIGINT); */
-               g_print("connection was cancelled.\n");
-       }
-#endif
+       if (!sockinfo || session->atm->terminated == TRUE) return;
 
        session->pop3_state->inc_state = INC_CANCEL;
        pop3_automaton_terminate(sockinfo, session->atm);
+       session->pop3_state->sockinfo = NULL;
 }
 
 static gint inc_spool(void)
@@ -1084,6 +1095,17 @@ static gint get_spool(FolderItem *dest, const gchar *mbox)
        return msgs;
 }
 
+void inc_lock(void)
+{
+       inc_lock_count++;
+}
+
+void inc_unlock(void)
+{
+       if (inc_lock_count > 0)
+               inc_lock_count--;
+}
+
 static guint autocheck_timer = 0;
 static gpointer autocheck_data = NULL;
 
@@ -1093,21 +1115,26 @@ void inc_autocheck_timer_init(MainWindow *mainwin)
        inc_autocheck_timer_set();
 }
 
-void inc_autocheck_timer_set(void)
+static void inc_autocheck_timer_set_interval(guint interval)
 {
        inc_autocheck_timer_remove();
 
        if (prefs_common.autochk_newmail && autocheck_data) {
                autocheck_timer = gtk_timeout_add
-                       (prefs_common.autochk_itv * 60000,
-                        inc_autocheck_func,
-                        autocheck_data);
+                       (interval, inc_autocheck_func, autocheck_data);
+               debug_print("added timer = %d\n", autocheck_timer);
        }
 }
 
+void inc_autocheck_timer_set(void)
+{
+       inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
+}
+
 void inc_autocheck_timer_remove(void)
 {
        if (autocheck_timer) {
+               debug_print("removed timer = %d\n", autocheck_timer);
                gtk_timeout_remove(autocheck_timer);
                autocheck_timer = 0;
        }
@@ -1117,6 +1144,12 @@ static gint inc_autocheck_func(gpointer data)
 {
        MainWindow *mainwin = (MainWindow *)data;
 
+       if (inc_lock_count) {
+               debug_print("autocheck is locked.\n");
+               inc_autocheck_timer_set_interval(1000);
+               return FALSE;
+       }
+
        inc_all_account_mail(mainwin);
 
        return FALSE;