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/*
* 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.
*
* 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 Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* Authors:
* Rodrigo Moya <rodrigo@novell.com>
* Philip Van Hoof <pvanhoof@gnome.org>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <glib/gi18n.h>
#include "format-handler.h"
static void
display_error_message (GtkWidget *parent,
const gchar *message)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (
GTK_WINDOW (parent), 0,
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
"%s", message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
typedef struct {
GHashTable *zones;
ECalClient *client;
} CompTzData;
static void
insert_tz_comps (icalparameter *param,
gpointer cb_data)
{
const gchar *tzid;
CompTzData *tdata = cb_data;
icaltimezone *zone = NULL;
icalcomponent *tzcomp;
GError *error = NULL;
tzid = icalparameter_get_tzid (param);
if (g_hash_table_lookup (tdata->zones, tzid))
return;
e_cal_client_get_timezone_sync (
tdata->client, tzid, &zone, NULL, &error);
if (error != NULL) {
g_warning (
"Could not get the timezone information for %s: %s",
tzid, error->message);
g_error_free (error);
return;
}
tzcomp = icalcomponent_new_clone (icaltimezone_get_component (zone));
g_hash_table_insert (tdata->zones, (gpointer) tzid, (gpointer) tzcomp);
}
static void
append_tz_to_comp (gpointer key,
gpointer value,
icalcomponent *toplevel)
{
icalcomponent_add_component (toplevel, (icalcomponent *) value);
}
static void
do_save_calendar_ical (FormatHandler *handler,
ESourceSelector *selector,
EClientCache *client_cache,
gchar *dest_uri)
{
ESource *primary_source;
EClient *source_client;
GError *error = NULL;
GSList *objects = NULL;
icalcomponent *top_level = NULL;
if (!dest_uri)
return;
/* open source client */
primary_source = e_source_selector_ref_primary_selection (selector);
source_client = e_client_cache_get_client_sync (client_cache,
primary_source, e_source_selector_get_extension_name (selector), NULL, &error);
g_object_unref (primary_source);
/* Sanity check. */
g_return_if_fail (
((source_client != NULL) && (error == NULL)) ||
((source_client == NULL) && (error != NULL)));
if (error != NULL) {
display_error_message (
gtk_widget_get_toplevel (GTK_WIDGET (selector)),
error->message);
g_error_free (error);
return;
}
/* create destination file */
top_level = e_cal_util_new_top_level ();
e_cal_client_get_object_list_sync (
E_CAL_CLIENT (source_client), "#t", &objects, NULL, &error);
if (objects != NULL) {
CompTzData tdata;
GOutputStream *stream;
GSList *iter;
tdata.zones = g_hash_table_new (g_str_hash, g_str_equal);
tdata.client = E_CAL_CLIENT (source_client);
for (iter = objects; iter; iter = iter->next) {
icalcomponent *icalcomp = icalcomponent_new_clone (iter->data);
icalcomponent_foreach_tzid (icalcomp, insert_tz_comps, &tdata);
icalcomponent_add_component (top_level, icalcomp);
}
g_hash_table_foreach (tdata.zones, (GHFunc) append_tz_to_comp, top_level);
g_hash_table_destroy (tdata.zones);
tdata.zones = NULL;
/* save the file */
stream = open_for_writing (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (selector))), dest_uri, &error);
if (stream) {
gchar *ical_str = icalcomponent_as_ical_string_r (top_level);
g_output_stream_write_all (stream, ical_str, strlen (ical_str), NULL, NULL, &error);
g_output_stream_close (stream, NULL, NULL);
g_object_unref (stream);
g_free (ical_str);
}
e_cal_client_free_icalcomp_slist (objects);
}
if (error != NULL) {
display_error_message (
gtk_widget_get_toplevel (GTK_WIDGET (selector)),
error->message);
g_error_free (error);
}
/* terminate */
g_object_unref (source_client);
icalcomponent_free (top_level);
}
FormatHandler *
ical_format_handler_new (void)
{
FormatHandler *handler = g_new0 (FormatHandler, 1);
handler->isdefault = TRUE;
handler->combo_label = _("iCalendar (.ics)");
handler->filename_ext = ".ics";
handler->options_widget = NULL;
handler->save = do_save_calendar_ical;
handler->data = NULL;
return handler;
}
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