path: root/plugins/caldav/caldav-source.c

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Christian Kellner <gicmo@gnome.org>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glib/gi18n-lib.h>
#include <glib.h>

#include <gtk/gtk.h>

#include <e-util/e-config.h>
#include <e-util/e-plugin.h>
#include <calendar/gui/e-cal-config.h>
#include <libedataserver/e-url.h>
#include <libedataserver/e-account-list.h>
#include <libecal/e-cal.h>

#include <string.h>

#define d(x)

/*****************************************************************************/
/* prototypes */
int              e_plugin_lib_enable      (EPluginLib                 *ep,
                       int                         enable);

GtkWidget *      oge_caldav               (EPlugin                    *epl,
                       EConfigHookItemFactoryData *data);

/*****************************************************************************/
/* plugin intialization */

static void
ensure_caldav_source_group (ECalSourceType source_type)
{
    ESourceList  *slist;
    GSList *groups, *g;
    ESourceGroup *group = NULL;

    if (!e_cal_get_sources (&slist, source_type, NULL)) {
        g_warning ("Could not get calendar source list from GConf!");
        return;
    }

    groups = e_source_list_peek_groups (slist);
    for (g = groups; g; g = g->next) {
        group = E_SOURCE_GROUP (g->data);

        if (group && e_source_group_peek_base_uri (group) && strncmp ("caldav://", e_source_group_peek_base_uri (group), 9) == 0)
            break;

        group = NULL;
    }

    if (group == NULL) {
        /* no such group has been found, create it */
        gboolean res;

        group = e_source_group_new (_("CalDAV"), "caldav://");
        res = e_source_list_add_group (slist, group, -1);

        if (res == FALSE) {
            g_warning ("Could not add CalDAV source group!");
        } else {
            e_source_list_sync (slist, NULL);
        }

        g_object_unref (group);
    } else {
        /* we found the group, change the name based on the actual language */
        e_source_group_set_name (group, _("CalDAV"));
    }

    g_object_unref (slist);
}

int
e_plugin_lib_enable (EPluginLib *ep, int enable)
{

    if (enable) {
        d(g_print ("CalDAV Eplugin starting up ...\n"));
        ensure_caldav_source_group (E_CAL_SOURCE_TYPE_EVENT);
        ensure_caldav_source_group (E_CAL_SOURCE_TYPE_TODO);
        ensure_caldav_source_group (E_CAL_SOURCE_TYPE_JOURNAL);
    }

    return 0;
}


/*****************************************************************************/
/* the location field for caldav sources */

/* stolen from calendar-weather eplugin */
static gchar *
print_uri_noproto (EUri *uri)
{
    gchar *uri_noproto;

    if (uri->port != 0)
        uri_noproto = g_strdup_printf (
            "%s%s%s%s%s%s%s:%d%s%s%s",
            uri->user ? uri->user : "",
            uri->authmech ? ";auth=" : "",
            uri->authmech ? uri->authmech : "",
            uri->passwd ? ":" : "",
            uri->passwd ? uri->passwd : "",
            uri->user ? "@" : "",
            uri->host ? uri->host : "",
            uri->port,
            uri->path ? uri->path : "",
            uri->query ? "?" : "",
            uri->query ? uri->query : "");
    else
        uri_noproto = g_strdup_printf (
            "%s%s%s%s%s%s%s%s%s%s",
            uri->user ? uri->user : "",
            uri->authmech ? ";auth=" : "",
            uri->authmech ? uri->authmech : "",
            uri->passwd ? ":" : "",
            uri->passwd ? uri->passwd : "",
            uri->user ? "@" : "",
            uri->host ? uri->host : "",
            uri->path ? uri->path : "",
            uri->query ? "?" : "",
            uri->query ? uri->query : "");
    return uri_noproto;
}

static void
location_changed (GtkEntry *editable, ESource *source)
{
    EUri       *euri;
    char       *ruri;
    const char *uri;

    uri = gtk_entry_get_text (GTK_ENTRY (editable));

    euri = e_uri_new (uri);
    ruri = print_uri_noproto (euri);
    e_source_set_relative_uri (source, ruri);
    g_free (ruri);
    e_uri_free (euri);
}

static void
ssl_changed (GtkToggleButton *button, ESource *source)
{
    e_source_set_property(source, "ssl",
                  gtk_toggle_button_get_active(button) ? "1" : "0");
}

static void
user_changed (GtkEntry *editable, ESource *source)
{
    EUri       *euri;
    char       *uri;
    char       *ruri;
    const char *user;

    uri = e_source_get_uri (source);
    user = gtk_entry_get_text (GTK_ENTRY (editable));

    if (uri == NULL) {
        g_free (uri);
        return;
    }

    euri = e_uri_new (uri);
    g_free (euri->user);
    euri->user = NULL;

    if (user != NULL && *user) {
        e_source_set_property (source, "auth", "1");
    } else {
        e_source_set_property (source, "auth", NULL);
    }

    e_source_set_property (source, "username", user);
    ruri = print_uri_noproto (euri);
    e_source_set_relative_uri (source, ruri);
    g_free (ruri);
    e_uri_free (euri);
}

static void
set_refresh_time (ESource *source, GtkWidget *spin, GtkWidget *option)
{
    int time;
    int item_num = 0;
    const char *refresh_str = e_source_get_property (source, "refresh");
    time = refresh_str ? atoi (refresh_str) : 30;

    if (time  && !(time % 10080)) {
        /* weeks */
        item_num = 3;
        time /= 10080;
    } else if (time && !(time % 1440)) {
        /* days */
        item_num = 2;
        time /= 1440;
    } else if (time && !(time % 60)) {
        /* hours */
        item_num = 1;
        time /= 60;
    }
    gtk_option_menu_set_history (GTK_OPTION_MENU (option), item_num);
    gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), time);
}

static char *
get_refresh_minutes (GtkWidget *spin, GtkWidget *option)
{
    int setting = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin));
    switch (gtk_option_menu_get_history (GTK_OPTION_MENU (option))) {
    case 0:
        /* minutes */
        break;
    case 1:
        /* hours */
        setting *= 60;
        break;
    case 2:
        /* days */
        setting *= 1440;
        break;
    case 3:
        /* weeks - is this *really* necessary? */
        setting *= 10080;
        break;
    default:
        g_warning ("Time unit out of range");
        break;
    }

    return g_strdup_printf ("%d", setting);
}

static void
spin_changed (GtkSpinButton *spin, ESource *source)
{
    char *refresh_str;
    GtkWidget *option;

    option = g_object_get_data (G_OBJECT (spin), "option");

    refresh_str = get_refresh_minutes ((GtkWidget *) spin, option);
    e_source_set_property (source, "refresh", refresh_str);
    g_free (refresh_str);
}

static void
option_changed (GtkOptionMenu *option, ESource *source)
{
    char *refresh_str;
    GtkWidget *spin;

    spin = g_object_get_data (G_OBJECT (option), "spin");

    refresh_str = get_refresh_minutes (spin, (GtkWidget *) option);
    e_source_set_property (source, "refresh", refresh_str);
    g_free (refresh_str);
}

GtkWidget *
oge_caldav  (EPlugin                    *epl,
         EConfigHookItemFactoryData *data)
{
    ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
    ESource      *source;
    ESourceGroup *group;
    EUri         *euri;
    GtkWidget    *parent;
    GtkWidget    *lurl;
    GtkWidget    *cssl;
    GtkWidget    *location;
    GtkWidget    *widget;
    GtkWidget    *luser;
    GtkWidget    *user;
    GtkWidget    *label, *hbox, *spin, *option, *menu;
    GtkWidget    *times[4];
    char         *uri;
    char         *username;
    const char   *ssl_prop;
    gboolean      ssl_enabled;
    int           row, i;

    source = t->source;
    group = e_source_peek_group (source);

    widget = NULL;

    if (!g_str_has_prefix (e_source_group_peek_base_uri (group),
                   "caldav")) {
        return NULL;
    }

    /* Extract the username from the uri so we can prefill the
     * dialog right, remove the username from the url then */
    uri = e_source_get_uri (source);
    euri = e_uri_new (uri);
    g_free (uri);

    if (euri == NULL) {
        return NULL;
    }

    g_free (euri->user);
    euri->user = NULL;
    uri = e_uri_to_string (euri, FALSE);

    username = e_source_get_duped_property (source, "username");

    ssl_prop = e_source_get_property (source, "ssl");
    if (ssl_prop && ssl_prop[0] == '1') {
        ssl_enabled = TRUE;
    } else {
        ssl_enabled = FALSE;
    }

    /* Build up the UI */
    parent = data->parent;

    row = GTK_TABLE (parent)->nrows;

    lurl = gtk_label_new_with_mnemonic (_("_URL:"));
    gtk_widget_show (lurl);
    gtk_misc_set_alignment (GTK_MISC (lurl), 0.0, 0.5);
    gtk_table_attach (GTK_TABLE (parent),
              lurl, 0, 1,
              row, row+1,
              GTK_FILL, 0, 0, 0);

    location = gtk_entry_new ();
    gtk_widget_show (location);
    gtk_entry_set_text (GTK_ENTRY (location), uri);
    gtk_table_attach (GTK_TABLE (parent), location,
              1, 2, row, row+1,
              GTK_EXPAND | GTK_FILL, 0, 0, 0);

    gtk_label_set_mnemonic_widget (GTK_LABEL (lurl), location);

    g_signal_connect (G_OBJECT (location),
              "changed",
              G_CALLBACK (location_changed),
              source);

    row++;

    cssl = gtk_check_button_new_with_mnemonic (_("Use _SSL"));
    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cssl), ssl_enabled);
    gtk_widget_show (cssl);
    gtk_table_attach (GTK_TABLE (parent),
              cssl, 1, 2,
              row , row + 1,
              GTK_FILL, 0, 0, 0);

    g_signal_connect (G_OBJECT (cssl),
              "toggled",
              G_CALLBACK (ssl_changed),
              source);

    row++;

    luser = gtk_label_new_with_mnemonic (_("User_name:"));
    gtk_widget_show (luser);
    gtk_misc_set_alignment (GTK_MISC (luser), 0.0, 0.5);
    gtk_table_attach (GTK_TABLE (parent),
              luser, 0, 1,
              row, row + 1,
              GTK_FILL, 0, 0, 0);

    user = gtk_entry_new ();
    gtk_widget_show (user);
    gtk_entry_set_text (GTK_ENTRY (user), username ? username : "");
    gtk_table_attach (GTK_TABLE (parent), user,
              1, 2, row, row + 1,
              GTK_EXPAND | GTK_FILL, 0, 0, 0);

    gtk_label_set_mnemonic_widget (GTK_LABEL (luser), user);

    g_signal_connect (G_OBJECT (user),
              "changed",
              G_CALLBACK (user_changed),
              source);

    row++;

        g_free (uri);
    g_free (username);

    /* add refresh option */
    label = gtk_label_new_with_mnemonic (_("Re_fresh:"));
    gtk_widget_show (label);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    gtk_table_attach (GTK_TABLE (parent), label, 0, 1, row, row+1, GTK_FILL, 0, 0, 0);

    hbox = gtk_hbox_new (FALSE, 6);
    gtk_widget_show (hbox);

    spin = gtk_spin_button_new_with_range (0, 100, 1);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin);
    gtk_widget_show (spin);
    gtk_box_pack_start (GTK_BOX (hbox), spin, FALSE, TRUE, 0);

    option = gtk_option_menu_new ();
    gtk_widget_show (option);
    times[0] = gtk_menu_item_new_with_label (_("minutes"));
    times[1] = gtk_menu_item_new_with_label (_("hours"));
    times[2] = gtk_menu_item_new_with_label (_("days"));
    times[3] = gtk_menu_item_new_with_label (_("weeks"));
    menu = gtk_menu_new ();
    gtk_widget_show (menu);
    for (i = 0; i < 4; i++) {
        gtk_widget_show (times[i]);
        gtk_menu_shell_append (GTK_MENU_SHELL (menu), times[i]);
    }
    gtk_option_menu_set_menu (GTK_OPTION_MENU (option), menu);
    set_refresh_time (source, spin, option);
    gtk_box_pack_start (GTK_BOX (hbox), option, FALSE, TRUE, 0);

    g_object_set_data (G_OBJECT (option), "spin", spin);
    g_signal_connect (G_OBJECT (option), "changed", G_CALLBACK (option_changed), source);
    g_object_set_data (G_OBJECT (spin), "option", option);
    g_signal_connect (G_OBJECT (spin), "value-changed", G_CALLBACK (spin_changed), source);

    gtk_table_attach (GTK_TABLE (parent), hbox, 1, 2, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0);

    return widget;
}