Added work offline availability.
[claws.git] / src / inc.c
index 91903b8f35335de6d370710c7eaec58aa3779299..de6183bc6bd3a82e28e485f59a74110ee08466ab 100644 (file)
--- a/src/inc.c
+++ b/src/inc.c
@@ -66,6 +66,8 @@
 #include "filtering.h"
 #include "selective_download.h"
 
+static GList *inc_dialog_list = NULL;
+
 static guint inc_lock_count = 0;
 
 static GdkPixmap *currentxpm;
@@ -104,17 +106,21 @@ static gboolean inc_pop3_recv_func        (SockInfo       *sock,
 
 static void inc_put_error              (IncState        istate);
 
-static void inc_cancel                 (GtkWidget      *widget,
+static void inc_cancel_cb              (GtkWidget      *widget,
                                         gpointer        data);
 
 static gint inc_spool                  (void);
 static gint get_spool                  (FolderItem     *dest,
                                         const gchar    *mbox);
 
+static void inc_spool_account(PrefsAccount *account);
 static void inc_all_spool(void);
 static void inc_autocheck_timer_set_interval   (guint           interval);
 static gint inc_autocheck_func                 (gpointer        data);
 
+static void inc_notify_cmd             (gint new_msgs, 
+                                        gboolean notify);
+
 #define FOLDER_SUMMARY_MISMATCH(f, s) \
        (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
        : FALSE
@@ -139,7 +145,7 @@ static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 
        if (prefs_common.open_inbox_on_inc) {
                item = cur_account && cur_account->inbox
-                       ? folder_find_item_from_path(cur_account->inbox)
+                       ? folder_find_item_from_identifier(cur_account->inbox)
                        : folder_get_default_inbox();
                if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {      
                        folderview_unselect(mainwin->folderview);
@@ -154,12 +160,18 @@ static void inc_finished(MainWindow *mainwin, gboolean new_messages)
        }
 }
 
-void inc_mail(MainWindow *mainwin)
+void inc_mail(MainWindow *mainwin, gboolean notify)
 {
        gint new_msgs = 0;
 
        if (inc_lock_count) return;
 
+       if (prefs_common.work_offline)
+               if (alertpanel(_("Offline warning"), 
+                              _("You're working offline. Override?"),
+                              _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
+               return;
+
        inc_autocheck_timer_remove();
        summary_write_cache(mainwin->summaryview);
        main_window_lock(mainwin);
@@ -183,6 +195,7 @@ void inc_mail(MainWindow *mainwin)
 
        inc_finished(mainwin, new_msgs > 0);
        main_window_unlock(mainwin);
+       inc_notify_cmd(new_msgs, notify);
        inc_autocheck_timer_set();
 }
 
@@ -204,32 +217,50 @@ static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
        IncSession *session;
        gchar *text[3];
 
-       if (account->protocol == A_IMAP4 || account->protocol == A_NNTP) {
+       switch (account->protocol) {
+       case A_IMAP4:
+       case A_NNTP:
                folderview_check_new(FOLDER(account->folder));
                return 1;
-       }
-
-       session = inc_session_new(account);
-       if (!session) return 0;
-
-       inc_dialog = inc_progress_dialog_create();
-       inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
-       inc_dialog->mainwin = mainwin;
-       session->data = inc_dialog;
-
-       text[0] = NULL;
-       text[1] = account->account_name;
-       text[2] = _("Standby");
-       gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 
-       return inc_start(inc_dialog);
+       case A_POP3:
+       case A_APOP:
+               session = inc_session_new(account);
+               if (!session) return 0;
+               
+               inc_dialog = inc_progress_dialog_create();
+               inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
+                                                      session);
+               inc_dialog->mainwin = mainwin;
+               session->data = inc_dialog;
+       
+               text[0] = NULL;
+               text[1] = account->account_name;
+               text[2] = _("Standby");
+               gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
+               
+               main_window_set_toolbar_sensitive(mainwin);
+               main_window_set_menu_sensitive(mainwin);
+               
+               return inc_start(inc_dialog);
+
+       case A_LOCAL:
+               inc_spool_account(account);
+               return 1;
+       }
 }
 
-void inc_all_account_mail(MainWindow *mainwin)
+void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 {
        GList *list, *queue_list = NULL;
        IncProgressDialog *inc_dialog;
        gint new_msgs = 0;
+       
+       if (prefs_common.work_offline)
+               if (alertpanel(_("Offline warning"), 
+                              _("You're working offline. Override?"),
+                              _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
+               return;
 
        if (inc_lock_count) return;
 
@@ -244,10 +275,14 @@ void inc_all_account_mail(MainWindow *mainwin)
        if (!list) {
                inc_finished(mainwin, new_msgs > 0);
                main_window_unlock(mainwin);
+               inc_notify_cmd(new_msgs, notify);
                inc_autocheck_timer_set();
                return;
        }
 
+       /* check local folders */
+       inc_all_spool();
+
        /* check IMAP4 folders */
        for (; list != NULL; list = list->next) {
                PrefsAccount *account = list->data;
@@ -271,6 +306,7 @@ void inc_all_account_mail(MainWindow *mainwin)
        if (!queue_list) {
                inc_finished(mainwin, new_msgs > 0);
                main_window_unlock(mainwin);
+               inc_notify_cmd(new_msgs, notify);
                inc_autocheck_timer_set();
                return;
        }
@@ -290,10 +326,14 @@ void inc_all_account_mail(MainWindow *mainwin)
                gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
        }
 
+       main_window_set_toolbar_sensitive(mainwin);
+       main_window_set_menu_sensitive(mainwin);
+
        new_msgs += inc_start(inc_dialog);
 
        inc_finished(mainwin, new_msgs > 0);
        main_window_unlock(mainwin);
+       inc_notify_cmd(new_msgs, notify);
        inc_autocheck_timer_set();
 }
 
@@ -308,7 +348,7 @@ static IncProgressDialog *inc_progress_dialog_create(void)
        gtk_window_set_title(GTK_WINDOW(progress->window),
                             _("Retrieving new messages"));
        gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
-                          GTK_SIGNAL_FUNC(inc_cancel), dialog);
+                          GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
        gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
                           GTK_SIGNAL_FUNC(gtk_true), NULL);
        /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
@@ -332,6 +372,8 @@ static IncProgressDialog *inc_progress_dialog_create(void)
        dialog->dialog = progress;
        dialog->queue_list = NULL;
 
+       inc_dialog_list = g_list_append(inc_dialog_list, dialog);
+
        return dialog;
 }
 
@@ -347,6 +389,8 @@ static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 {
        g_return_if_fail(inc_dialog != NULL);
 
+       inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
+
        gtk_progress_bar_update
                (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
        progress_dialog_destroy(inc_dialog->dialog);
@@ -388,7 +432,8 @@ static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 
        state->ac_prefs = account;
        state->folder_table = g_hash_table_new(NULL, NULL);
-       state->id_table = inc_get_uidl_table(account);
+       state->uidl_todelete_list = NULL;
+       state->uidl_table = inc_get_uidl_table(account);
        state->inc_state = INC_SUCCESS;
 
        return state;
@@ -404,11 +449,11 @@ static void inc_pop3_state_destroy(Pop3State *state)
                g_free(state->msg[n].uidl);
        g_free(state->msg);
 
-       if (state->id_table) {
-               hash_free_strings(state->id_table);
-               g_hash_table_destroy(state->id_table);
+       if (state->uidl_table) {
+               hash_free_strings(state->uidl_table);
+               g_hash_table_destroy(state->uidl_table);
        }
-
+       g_slist_free(state->uidl_todelete_list);
        g_free(state->greeting);
        g_free(state->user);
        g_free(state->pass);
@@ -738,11 +783,14 @@ static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
        gchar *path;
        FILE *fp;
        gchar buf[IDLEN + 3];
+       GDate curdate;
+       gchar **data;
 
        path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
                           "uidl-", ac_prefs->recv_server,
                           "-", ac_prefs->userid, NULL);
-       if ((fp = fopen(path, "r")) == NULL) {
+                          
+       if ((fp = fopen(path, "rb")) == NULL) {
                if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
                g_free(path);
                return NULL;
@@ -751,13 +799,37 @@ static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 
        table = g_hash_table_new(g_str_hash, g_str_equal);
 
+       g_date_clear(&curdate, 1);
+
+       /*
+        * NOTE: g_date_set_time() has to be called inside this 
+        * loop, because a day change may happen??? That right?
+        */
+
        while (fgets(buf, sizeof(buf), fp) != NULL) {
                strretchomp(buf);
-               g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
+               
+               /* data[0] will contain uidl
+                * data[1] will contain day of retrieval */
+
+               /* 
+                * FIXME: convoluted implementation. need to find
+                * a better way to split the string.
+                */
+               if (strchr(buf, '\t')) {
+                       data = g_strsplit(buf, "\t", 2);
+                       if (data) {
+                               g_hash_table_insert(table, g_strdup(data[0]), g_strdup(data[1]));
+                               g_strfreev(data);
+                       }       
+               } else {
+                       g_date_set_time(&curdate, time(NULL));  
+                       g_hash_table_insert(table, g_strdup(buf), 
+                                           g_strdup_printf("%d", g_date_day_of_year(&curdate)));
+               }                           
        }
 
        fclose(fp);
-
        return table;
 }
 
@@ -766,16 +838,24 @@ static void inc_write_uidl_list(Pop3State *state)
        gchar *path;
        FILE *fp;
        gint n;
+       GDate curdate;
+       const char *sdate;
+       int tdate;
 
+       if (!state->uidl_is_valid)
+               return;
+       
        path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
                           "uidl-", state->ac_prefs->recv_server,
                           "-", state->user, NULL);
-       if ((fp = fopen(path, "w")) == NULL) {
+       if ((fp = fopen(path, "wb")) == NULL) {
                FILE_OP_ERROR(path, "fopen");
                g_free(path);
                return;
        }
 
+       g_date_clear(&curdate, 1);
+
        for (n = 1; n <= state->count; n++) {
                if (state->msg[n].uidl && state->msg[n].received &&
                    !state->msg[n].deleted) {
@@ -783,14 +863,38 @@ static void inc_write_uidl_list(Pop3State *state)
                                FILE_OP_ERROR(path, "fputs");
                                break;
                        }
-                       if (fputc('\n', fp) == EOF) {
+                       if (fputc('\t', fp) == EOF) {
                                FILE_OP_ERROR(path, "fputc");
                                break;
                        }
+                       
+                       /*
+                        * NOTE: need to set time to watch for day changes??
+                        */
+                       g_date_set_time(&curdate, time(NULL));
+
+                       if (NULL != (sdate = g_hash_table_lookup(state->uidl_table, state->msg[n].uidl))) {
+                               tdate = sdate != NULL ? atoi(sdate) : g_date_day_of_year(&curdate);
+                               if (fprintf(fp, "%3d", tdate) == EOF) {
+                                       FILE_OP_ERROR(path, "fprintf");
+                                       break;
+                               }
+                       } else {
+                               if (fprintf(fp, "%d", g_date_day_of_year(&curdate)) == EOF) {
+                                       FILE_OP_ERROR(path, "fputs");
+                                       break;
+                               }
+                       }
+
+                       if (fputc('\n', fp) == EOF) {
+                               FILE_OP_ERROR(path, "fputc");
+                               break;
+                       }               
                }
        }
 
-       if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
+       if (fclose(fp) == EOF) 
+               FILE_OP_ERROR(path, "fclose");
        g_free(path);
 }
 
@@ -924,7 +1028,8 @@ gint inc_drop_message(const gchar *file, Pop3State *state)
        /* CLAWS: get default inbox (perhaps per account) */
        if (state->ac_prefs->inbox) {
                /* CLAWS: get destination folder / mailbox */
-               inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
+               inbox = folder_find_item_from_identifier
+                       (state->ac_prefs->inbox);
                if (!inbox)
                        inbox = folder_get_default_inbox();
        } else
@@ -983,11 +1088,15 @@ static void inc_put_error(IncState istate)
        }
 }
 
-static void inc_cancel(GtkWidget *widget, gpointer data)
+static void inc_cancel(IncProgressDialog *dialog)
 {
-       IncProgressDialog *dialog = data;
-       IncSession *session = dialog->queue_list->data;
-       SockInfo *sockinfo = session->pop3_state->sockinfo;
+       IncSession *session;
+       SockInfo *sockinfo;
+
+       g_return_if_fail(dialog != NULL);
+
+       session = dialog->queue_list->data;
+       sockinfo = session->pop3_state->sockinfo;
 
        if (!sockinfo || session->atm->terminated == TRUE) return;
 
@@ -996,6 +1105,24 @@ static void inc_cancel(GtkWidget *widget, gpointer data)
        session->pop3_state->sockinfo = NULL;
 }
 
+gboolean inc_is_active(void)
+{
+       return (inc_dialog_list != NULL);
+}
+
+void inc_cancel_all(void)
+{
+       GList *cur;
+
+       for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
+               inc_cancel((IncProgressDialog *)cur->data);
+}
+
+static void inc_cancel_cb(GtkWidget *widget, gpointer data)
+{
+       inc_cancel((IncProgressDialog *)data);
+}
+
 static gint inc_spool(void)
 {
        gchar *mbox, *logname;
@@ -1038,7 +1165,8 @@ static void inc_all_spool(void)
                IncSession *session;
                PrefsAccount *account = list->data;
 
-               if (account->protocol == A_LOCAL)
+               if ((account->protocol == A_LOCAL) &&
+                   (account->recv_at_getall))
                        inc_spool_account(account);
        }
 }
@@ -1111,6 +1239,26 @@ void inc_unlock(void)
 static guint autocheck_timer = 0;
 static gpointer autocheck_data = NULL;
 
+static void inc_notify_cmd(gint new_msgs, gboolean notify)
+{
+
+       gchar *buf;
+
+       if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
+           *prefs_common.newmail_notify_cmd))
+                    return;
+       if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
+               buf[1] == 'd' && !strchr(&buf[1], '%'))
+               buf = g_strdup_printf(prefs_common.newmail_notify_cmd, 
+                                     new_msgs);
+       else
+               buf = g_strdup(prefs_common.newmail_notify_cmd);
+
+       execute_command_line(buf, TRUE);
+
+       g_free(buf);
+}
 void inc_autocheck_timer_init(MainWindow *mainwin)
 {
        autocheck_data = mainwin;
@@ -1120,8 +1268,10 @@ void inc_autocheck_timer_init(MainWindow *mainwin)
 static void inc_autocheck_timer_set_interval(guint interval)
 {
        inc_autocheck_timer_remove();
-
-       if (prefs_common.autochk_newmail && autocheck_data) {
+       /* last test is to avoid re-enabling auto_check after modifying 
+          the common preferences */
+       if (prefs_common.autochk_newmail && autocheck_data
+           && prefs_common.work_offline == FALSE) {
                autocheck_timer = gtk_timeout_add
                        (interval, inc_autocheck_func, autocheck_data);
                debug_print("added timer = %d\n", autocheck_timer);
@@ -1152,7 +1302,7 @@ static gint inc_autocheck_func(gpointer data)
                return FALSE;
        }
 
-       inc_all_account_mail(mainwin);
+       inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
 
        return FALSE;
 }