path: root/shell/e-shell-startup-wizard.c

/*
 * e-shell-startup-wizard.c
 *
 * Copyright (C) 2001, 2002 Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Authors: Iain Holmes <iain@ximian.com>
 */

/* WARNING: I LEAK. */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-shell-startup-wizard.h"
#include "e-shell-corba-icon-utils.h"

#include "e-timezone-dialog/e-timezone-dialog.h"
#include "e-util/e-gtk-utils.h"

#include <gconf/gconf-client.h>

#include <evolution-wizard.h>
#include "Evolution.h"
#include "importer/GNOME_Evolution_Importer.h"

#include <string.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <gnome.h>
#include <glade/glade.h>

#include <bonobo/bonobo-object.h>
#include <bonobo/bonobo-widget.h>
#include <bonobo/bonobo-exception.h>
#include <bonobo/bonobo-moniker-util.h>

#include <bonobo-activation/bonobo-activation.h>

#include <gal/widgets/e-gui-utils.h>

#include <widgets/e-timezone-dialog/e-timezone-dialog.h>

typedef struct _TimezoneDialogPage {
    GtkWidget *page;
    GtkWidget *vbox;
    GObject *etd;

    gboolean prepared;
} TimezoneDialogPage;

typedef struct _ImportDialogPage {
    GtkWidget *page;
    GtkWidget *vbox;

    GList *importers;
    
    int running;
    gboolean prepared;
} ImportDialogPage;

typedef struct _SWData {
    GladeXML *wizard;
    GtkWidget *dialog;
    GtkWidget *druid;

    GtkWidget *start, *finish;
    GPtrArray *corba_pages;
    TimezoneDialogPage *timezone_page;
    ImportDialogPage *import_page;
    
    gboolean cancel;
    GNOME_Evolution_Wizard corba_wizard;
    BonoboListener *listener;
    GNOME_Evolution_Wizard_PageList *pagelist;
} SWData;

typedef struct _IntelligentImporterData {
    CORBA_Object object;
    Bonobo_Control control;
    GtkWidget *widget;

    char *name;
    char *blurb;
    char *iid;
} IntelligentImporterData;

typedef struct _SelectedImporterData{
    CORBA_Object importer;
    char *iid;
} SelectedImporterData;

static GHashTable *page_hash;
static GList *page_list = NULL;

static void
druid_event_notify_cb (BonoboListener *listener,
               const char *name,
               BonoboArg *arg,
               CORBA_Environment *ev,
               SWData *data)
{
    int buttons, pagenum;
    GnomeDruidPage *page;

    if (strcmp (name, EVOLUTION_WIZARD_SET_BUTTONS_SENSITIVE) == 0) {
        buttons = (int) *((CORBA_short *)arg->_value);
        gnome_druid_set_buttons_sensitive (GNOME_DRUID (data->druid),
                           (buttons & 4) >> 2,
                           (buttons & 2) >> 1,
                           (buttons & 1),
                           FALSE);
    } else if (strcmp (name, EVOLUTION_WIZARD_SET_SHOW_FINISH) == 0) {
        gnome_druid_set_show_finish (GNOME_DRUID (data->druid),
                         (gboolean) *((CORBA_boolean *) arg->_value));
    } else if (strcmp (name, EVOLUTION_WIZARD_SET_PAGE) == 0) {
        pagenum = (int) *((CORBA_short *) arg->_value);

        page = g_list_nth_data (page_list, pagenum);
        gnome_druid_set_page (GNOME_DRUID (data->druid), page);
    }
}

static GNOME_Evolution_Wizard
start_wizard (void)
{
    char *const selection_order[] = { "0-evolution:startup_wizard:priority", NULL };
    Bonobo_ServerInfoList *info;
    CORBA_Environment ev;
    GNOME_Evolution_Wizard wizard;
    int i;

    CORBA_exception_init (&ev);
    info = bonobo_activation_query ("repo_ids.has ('IDL:GNOME/Evolution/StartupWizard:1.0')", selection_order, &ev);
    if (BONOBO_EX (&ev) || info == CORBA_OBJECT_NIL) {
        g_warning ("Cannot find startup wizard -- %s", BONOBO_EX_REPOID (&ev));
        CORBA_exception_free (&ev);
        return NULL;
    }
    CORBA_exception_free (&ev);

    for (i = 0; i < info->_length; i++) {
        CORBA_exception_init (&ev);
        wizard = bonobo_activation_activate_from_id (info->_buffer[i].iid, 0, NULL, &ev);
        if (!BONOBO_EX (&ev) && wizard != CORBA_OBJECT_NIL) {
            CORBA_free (info);
            return wizard;
        }
        CORBA_exception_free (&ev);
    }

    if (info->_length)
        g_warning ("Could not start any startup wizard!");
    else
        g_warning ("No startup wizard available!");
    CORBA_free (info);
    return NULL;
}

static void
make_corba_dialog_pages (SWData *data)
{
    CORBA_Environment ev;
    CORBA_Object object;
    Bonobo_EventSource event_source;

    data->corba_wizard = start_wizard ();
    if (!data->corba_wizard)
        return;

    CORBA_exception_init (&ev);
    data->pagelist = GNOME_Evolution_Wizard__get_pages (data->corba_wizard, &ev);
    if (BONOBO_EX (&ev)) {
        g_warning ("Could not get CORBA wizard pages (%s)", CORBA_exception_id (&ev));
        CORBA_exception_free (&ev);
        data->pagelist = CORBA_OBJECT_NIL;
        return;
    }

    CORBA_exception_init (&ev);
    event_source = Bonobo_Unknown_queryInterface (data->corba_wizard, "IDL:Bonobo/EventSource:1.0", &ev);
    CORBA_exception_free (&ev);
    data->listener = bonobo_listener_new (NULL, NULL);
    g_signal_connect (data->listener, "event-notify",
              G_CALLBACK (druid_event_notify_cb), data);
    object = bonobo_object_corba_objref (BONOBO_OBJECT (data->listener));

    CORBA_exception_init (&ev);
    Bonobo_EventSource_addListener (event_source, object, &ev);
    CORBA_exception_free (&ev);
    bonobo_object_release_unref (event_source, &ev);
    CORBA_exception_free (&ev);
}

static int
page_to_num (GnomeDruidPage *page)
{
    return GPOINTER_TO_INT (g_hash_table_lookup (page_hash, page));
}

static gboolean
next_func (GnomeDruidPage *page,
       GnomeDruid *druid,
       SWData *data)
{
    CORBA_Environment ev;
    int pagenum;

    CORBA_exception_init (&ev);
    pagenum = page_to_num (page);
    GNOME_Evolution_Wizard_notifyAction (data->corba_wizard, pagenum, GNOME_Evolution_Wizard_NEXT, &ev);
    CORBA_exception_free (&ev);

    /* If on last page we own, let druid goto next page */
    if (pagenum == g_list_length(page_list)-1)
        return FALSE;

    return TRUE;
}

static gboolean
prepare_func (GnomeDruidPage *page,
          GnomeDruid *druid,
          SWData *data)
{
    CORBA_Environment ev;
    int pagenum;

    CORBA_exception_init (&ev);
    pagenum = page_to_num (page);
    GNOME_Evolution_Wizard_notifyAction (data->corba_wizard, pagenum, GNOME_Evolution_Wizard_PREPARE, &ev);
    CORBA_exception_free (&ev);
    return FALSE;
}

static gboolean
back_func (GnomeDruidPage *page,
       GnomeDruid *druid,
       SWData *data)
{
    CORBA_Environment ev;
    int pagenum;

    CORBA_exception_init (&ev);
    pagenum = page_to_num (page);
    GNOME_Evolution_Wizard_notifyAction (data->corba_wizard, pagenum, GNOME_Evolution_Wizard_BACK, &ev);
    CORBA_exception_free (&ev);

    /* if we're on page 0, let the druid go back to the start page, if we have one */
    if (pagenum == 0)
        return FALSE;

    return TRUE;
}

static void
free_importers (SWData *data)
{
    GList *l;

    for (l = data->import_page->importers; l; l = l->next) {
        IntelligentImporterData *iid;

        iid = l->data;
        if (iid->object != CORBA_OBJECT_NIL) {
            bonobo_object_release_unref (iid->object, NULL);
        }
    }

    g_list_free (data->import_page->importers);
}

static void
start_importers (GList *p)
{
    CORBA_Environment ev;
    
    for (; p; p = p->next) {
        SelectedImporterData *sid = p->data;

        CORBA_exception_init (&ev);
        GNOME_Evolution_IntelligentImporter_importData (sid->importer, &ev);
        if (BONOBO_EX (&ev)) {
            g_warning ("Error importing %s\n%s", sid->iid,
                   CORBA_exception_id (&ev));
        }
        CORBA_exception_free (&ev);
    }
}

static void
do_import (SWData *data)
{
    CORBA_Environment ev;
    GList *l, *selected = NULL;

    for (l = data->import_page->importers; l; l = l->next) {
        IntelligentImporterData *importer_data;
        SelectedImporterData *sid;
        char *iid;

        importer_data = l->data;
        iid = g_strdup (importer_data->iid);

        sid = g_new (SelectedImporterData, 1);
        sid->iid = iid;

        CORBA_exception_init (&ev);
        sid->importer = bonobo_object_dup_ref (importer_data->object, &ev);
        if (BONOBO_EX (&ev)) {
            g_warning ("Error duplication %s\n(%s)", iid,
                   CORBA_exception_id (&ev));
            g_free (iid);
            CORBA_exception_free (&ev);
            g_free (sid);
            continue;
        }
        CORBA_exception_free (&ev);

        selected = g_list_prepend (selected, sid);
    }

    free_importers (data);

    if (selected != NULL) {
        start_importers (selected);

        for (l = selected; l; l = l->next) {
            SelectedImporterData *sid = l->data;

            CORBA_exception_init (&ev);
            bonobo_object_release_unref (sid->importer, &ev);
            CORBA_exception_free (&ev);

            g_free (sid->iid);
            g_free (sid);
        }
        g_list_free (selected);
    }
}
                
static gboolean
finish_func (GnomeDruidPage *page,
         GnomeDruid *druid,
         SWData *data)
{
    GConfClient *client;
    CORBA_Environment ev;
    icaltimezone *zone;

    /* Notify mailer */
    CORBA_exception_init (&ev);
    GNOME_Evolution_Wizard_notifyAction (data->corba_wizard, 0, GNOME_Evolution_Wizard_FINISH, &ev);
    CORBA_exception_free (&ev);

    /* Set Timezone */
    zone = e_timezone_dialog_get_timezone (E_TIMEZONE_DIALOG (data->timezone_page->etd));
    if (zone) {
        client = gconf_client_get_default ();
        gconf_client_set_string (client, "/apps/evolution/calendar/display/timezone",
                     icaltimezone_get_display_name (zone), NULL);
        g_object_unref (client);
    }

    do_import (data);

    /* Free data */
    data->cancel = FALSE;

    /* Need to do this otherwise the timezone widget gets destroyed but the
       timezone object isn't, and we can get a crash like #22047.  */
    g_object_unref (data->timezone_page->etd);
    data->timezone_page->etd = NULL;

    gtk_widget_destroy (data->dialog);
    gtk_main_quit ();

    return TRUE;
}

static void
connect_page (GtkWidget *page,
          SWData *data)
{
    g_signal_connect (page, "next",
              G_CALLBACK (next_func), data);
    g_signal_connect (page, "back",
              G_CALLBACK (back_func), data);
    g_signal_connect (page, "finish",
              G_CALLBACK (finish_func), data);

    /* At least in 2.0 (and probably 2.2 too),
     * GnomeDruidPageStandard is broken and you need to
     * connect_after to "prepare" or else its default method will
     * run after your signal handler and undo its button
     * sensitivity changes.
     */
    g_signal_connect_after (page, "prepare",
                G_CALLBACK (prepare_func), data);
}

static GtkWidget *
make_corba_page (SWData *data, int n, GtkWidget *prev)
{
    GNOME_Evolution_Wizard_Page *corba_page;
    GdkPixbuf *icon;
    GtkWidget *page, *body;

    corba_page = &data->pagelist->_buffer[n];
    icon = e_new_gdk_pixbuf_from_corba_icon (&corba_page->icon, -1, -1);
    page = gnome_druid_page_standard_new_with_vals (corba_page->title,
                            icon, NULL);
    g_object_unref (icon);

    body = bonobo_widget_new_control_from_objref (corba_page->control,
                              CORBA_OBJECT_NIL);
    gtk_box_pack_start (GTK_BOX (GNOME_DRUID_PAGE_STANDARD (page)->vbox),
                body, TRUE, TRUE, 0);
    gtk_widget_show_all (page);

    gnome_druid_insert_page (GNOME_DRUID (data->druid),
                 GNOME_DRUID_PAGE (prev),
                 GNOME_DRUID_PAGE (page));
    connect_page (page, data);
    g_hash_table_insert (page_hash, page, GINT_TO_POINTER (n));
    page_list = g_list_append (page_list, page);

    return page;
}

static gboolean
prepare_timezone_page (GnomeDruidPage *page,
               GnomeDruid *druid,
               SWData *data)
{
    GConfClient *client;
    icaltimezone *zone;
    char *zone_name;

    if (data->timezone_page->prepared)
        return TRUE;
    data->timezone_page->prepared = TRUE;

    client = gconf_client_get_default ();
    zone_name = gconf_client_get_string (client, "/apps/evolution/calendar/display/timezone", NULL);
    g_object_unref (client);

    if (!zone_name)
        return TRUE;

    zone = icaltimezone_get_builtin_timezone (zone_name);
    g_free (zone_name);

    if (zone)
        e_timezone_dialog_set_timezone (E_TIMEZONE_DIALOG (data->timezone_page->etd), zone);

    return TRUE;
}

static TimezoneDialogPage *
make_timezone_page (SWData *data)
{
    TimezoneDialogPage *page;
    ETimezoneDialog *etd;
    
    g_return_val_if_fail (data != NULL, NULL);

    page = g_new0 (TimezoneDialogPage, 1);
    page->page = glade_xml_get_widget (data->wizard, "timezone-page");
    g_return_val_if_fail (page->page != NULL, NULL);

    g_signal_connect_after (page->page, "prepare",
                G_CALLBACK (prepare_timezone_page), data);
    page->vbox = GTK_WIDGET (GNOME_DRUID_PAGE_STANDARD (page->page)->vbox);

    etd = e_timezone_dialog_new ();
    page->etd = G_OBJECT (etd);
    e_timezone_dialog_reparent (E_TIMEZONE_DIALOG (page->etd), page->vbox);

    return page;
}

static GList *
get_intelligent_importers (void)
{
    Bonobo_ServerInfoList *info_list;
    GList *iids_ret = NULL;
    CORBA_Environment ev;
    int i;

    CORBA_exception_init (&ev);
    info_list = bonobo_activation_query ("repo_ids.has ('IDL:GNOME/Evolution/IntelligentImporter:1.0')", NULL, &ev);
    CORBA_exception_free (&ev);

    for (i = 0; i < info_list->_length; i++) {
        const Bonobo_ServerInfo *info;

        info = info_list->_buffer + i;
        iids_ret = g_list_prepend (iids_ret, g_strdup (info->iid));
    }

    return iids_ret;
}

static gboolean
prepare_importer_page (GnomeDruidPage *page,
               GnomeDruid *druid,
               SWData *data)
{
    GtkWidget *dialog;
    ImportDialogPage *import;
    GList *l, *importers;
    GtkWidget *table;
    int running = 0;

    if (data->import_page->prepared == TRUE) {
        return TRUE;
    }

    data->import_page->prepared = TRUE;

    dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_INFO,
                     GTK_BUTTONS_NONE,
                     _("Please wait...\nScanning for existing setups"));
    e_make_widget_backing_stored (dialog);

    gtk_window_set_title (GTK_WINDOW (dialog), _("Starting import"));
    gtk_widget_show_all (dialog);
    gtk_widget_show_now (dialog);

    gtk_widget_queue_draw (dialog);
    gdk_flush ();

    while (gtk_events_pending ()) {
        gtk_main_iteration ();
    }

    import = data->import_page;
    importers = get_intelligent_importers ();
    if (importers == NULL) {
        /* No importers, go directly to finish, do not pass go
           Do not collect $200 */
        gnome_druid_set_page (druid, GNOME_DRUID_PAGE (data->finish));
        gtk_widget_destroy (dialog);
        return TRUE;
    }

    table = gtk_table_new (g_list_length (importers), 2, FALSE);
    for (l = importers; l; l = l->next) {
        GtkWidget *label;
        CORBA_Environment ev;
        gboolean can_run;
        char *str;
        IntelligentImporterData *id;

        id = g_new0 (IntelligentImporterData, 1);
        id->iid = g_strdup (l->data);

        CORBA_exception_init (&ev);
        id->object = bonobo_activation_activate_from_id ((char *) id->iid, 0, NULL, &ev);
        if (BONOBO_EX (&ev)) {
            g_warning ("Could not start %s:%s", id->iid,
                   CORBA_exception_id (&ev));

            CORBA_exception_free (&ev);
            /* Clean up the IID */
            g_free (id->iid);
            g_free (id);
            continue;
        }

        if (id->object == CORBA_OBJECT_NIL) {
            g_warning ("Could not activate component %s", id->iid);
            CORBA_exception_free (&ev);

            g_free (id->iid);
            g_free (id);
            continue;
        }

        can_run = GNOME_Evolution_IntelligentImporter_canImport (id->object, &ev);
        if (BONOBO_EX (&ev)) {
            g_warning ("Could not call canImport(%s): %s", id->iid,
                   CORBA_exception_id (&ev));
            bonobo_object_release_unref (id->object, &ev);
            CORBA_exception_free (&ev);

            g_free (id->iid);
            g_free (id);
            continue;
        }

        if (can_run == FALSE) {
            bonobo_object_release_unref (id->object, &ev);
            CORBA_exception_free (&ev);
            g_free (id->iid);
            g_free (id);
            continue;
        }

        running++;
        id->name = GNOME_Evolution_IntelligentImporter__get_importername (id->object, &ev);
        if (BONOBO_EX (&ev)) {
            g_warning ("Could not get name(%s): %s", id->iid,
                   CORBA_exception_id (&ev));
            bonobo_object_release_unref (id->object, &ev);
            CORBA_exception_free (&ev);
            g_free (id->iid);
            g_free (id);
            continue;
        }

        id->blurb = GNOME_Evolution_IntelligentImporter__get_message (id->object, &ev);
        if (BONOBO_EX (&ev)) {
            g_warning ("Could not get message(%s): %s",
                   id->iid, CORBA_exception_id (&ev));
            bonobo_object_release_unref (id->object, &ev);
            CORBA_exception_free (&ev);
            g_free (id->iid);
            CORBA_free (id->name);
            g_free (id);
            continue;
        }

        id->control = Bonobo_Unknown_queryInterface (id->object,
                                 "IDL:Bonobo/Control:1.0", &ev);
        if (BONOBO_EX (&ev)) {
            g_warning ("Could not QI for Bonobo/Control:1.0 %s:%s",
                   id->iid, CORBA_exception_id (&ev));
            bonobo_object_release_unref (id->object, &ev);
            CORBA_exception_free (&ev);
            g_free (id->iid);
            CORBA_free (id->name);
            CORBA_free (id->blurb);
            continue;
        }

        if (id->control != CORBA_OBJECT_NIL) {
            id->widget = bonobo_widget_new_control_from_objref (id->control, CORBA_OBJECT_NIL);
            gtk_widget_show (id->widget);
        } else {
            printf("no control\n");
            id->widget = gtk_label_new ("");
            gtk_widget_show (id->widget);
        }

        CORBA_exception_free (&ev);

        import->importers = g_list_prepend (import->importers, id);
        str = g_strdup_printf (_("From %s:"), id->name);
        label = gtk_label_new (str);
        g_free (str);

        gtk_misc_set_alignment (GTK_MISC (label), 0, .5); 

        gtk_table_attach (GTK_TABLE (table), label, 0, 1, running - 1,
                  running, GTK_FILL, 0, 0, 0);
        gtk_table_attach (GTK_TABLE (table), id->widget, 1, 2,
                  running - 1, running, GTK_FILL, 0, 3, 0);
        gtk_widget_show_all (table);

        gtk_box_pack_start (GTK_BOX (data->import_page->vbox), table,
                    FALSE, FALSE, 0);
    }

    if (running == 0) {
        gnome_druid_set_page (druid, GNOME_DRUID_PAGE (data->finish));
        gtk_widget_destroy (dialog);
        return TRUE;
    }

    import->running = running;
    gtk_widget_destroy (dialog);

    return FALSE;
}

static ImportDialogPage *
make_importer_page (SWData *data)
{
    ImportDialogPage *page;
    GtkWidget *label, *sep;
    
    g_return_val_if_fail (data != NULL, NULL);

    page = g_new0 (ImportDialogPage, 1);
    page->page = glade_xml_get_widget (data->wizard, "import-page");
    g_return_val_if_fail (page->page != NULL, NULL);

    g_signal_connect_after (page->page, "prepare",
                G_CALLBACK (prepare_importer_page), data);
    page->vbox = GNOME_DRUID_PAGE_STANDARD (page->page)->vbox;
    gtk_container_set_border_width (GTK_CONTAINER (page->vbox), 4);

    label = gtk_label_new (_("Please select the information that you would like to import:"));
    gtk_box_pack_start (GTK_BOX (page->vbox), label, FALSE, FALSE, 3);

    sep = gtk_hseparator_new ();
    gtk_box_pack_start (GTK_BOX (page->vbox), sep, FALSE, FALSE, 3);

    page->prepared = FALSE;
    return page;
}

static void
startup_wizard_cancel (GnomeDruid *druid,
               SWData *data)
{
    /* Free data */
    data->cancel = TRUE;

    if (data->timezone_page->etd != NULL) {
        /* Need to do this otherwise the timezone widget gets destroyed but the
           timezone object isn't, and we can get a crash like #22047.  */
        g_object_unref (data->timezone_page->etd);
        data->timezone_page->etd = NULL;
    }

    gtk_widget_destroy (data->dialog);
    gtk_main_quit ();
}

gboolean
e_shell_startup_wizard_create (void)
{
    GConfClient *client;
    SWData *data;
    GSList *accounts;
    GtkWidget *page;
    int i;

    client = gconf_client_get_default ();
    accounts = gconf_client_get_list (client, "/apps/evolution/mail/accounts", GCONF_VALUE_STRING, NULL);
    g_object_unref (client);

    if (accounts != NULL) {
        g_slist_foreach (accounts, (GFunc) g_free, NULL);
        g_slist_free (accounts);
        return TRUE;
    }

    data = g_new0 (SWData, 1);

    data->wizard = glade_xml_new (EVOLUTION_GLADEDIR "/evolution-startup-wizard.glade", NULL, NULL);
    g_return_val_if_fail (data->wizard != NULL, FALSE);
    data->dialog = glade_xml_get_widget (data->wizard, "startup-wizard");
    g_return_val_if_fail (data->dialog != NULL, FALSE);
    gtk_window_set_wmclass (GTK_WINDOW (data->dialog), "startup-wizard",
                "Evolution:shell");

    page_hash = g_hash_table_new (NULL, NULL);
    data->druid = glade_xml_get_widget (data->wizard, "startup-druid");
    g_return_val_if_fail (data->druid != NULL, FALSE);
    gnome_druid_set_buttons_sensitive (GNOME_DRUID (data->druid),
                       FALSE, TRUE, FALSE, FALSE);

    g_signal_connect (data->druid, "cancel",
              G_CALLBACK (startup_wizard_cancel), data);

    data->start = glade_xml_get_widget (data->wizard, "start-page");
    data->finish = glade_xml_get_widget (data->wizard, "done-page");
    g_return_val_if_fail (data->start != NULL, FALSE);
    g_return_val_if_fail (data->finish != NULL, FALSE);
    g_signal_connect (data->finish, "finish", G_CALLBACK (finish_func), data);

    make_corba_dialog_pages (data);
    g_return_val_if_fail (data->corba_wizard != CORBA_OBJECT_NIL, TRUE);
    g_return_val_if_fail (data->pagelist != CORBA_OBJECT_NIL, TRUE);

    page = data->start;
    for (i = 0; i < data->pagelist->_length; i++)
        page = make_corba_page (data, i, page);

    data->timezone_page = make_timezone_page (data);
    data->import_page = make_importer_page (data);

    g_return_val_if_fail (data->timezone_page != NULL, TRUE);
    g_return_val_if_fail (data->import_page != NULL, TRUE);

    gnome_druid_set_buttons_sensitive (GNOME_DRUID (data->druid), FALSE, TRUE, TRUE, FALSE);
    gtk_widget_show_all (data->dialog);

    gtk_main ();

    return !data->cancel;
}