diff options
Diffstat (limited to 'plugins/save-calendar/ical-format.c')
| -rw-r--r-- | plugins/save-calendar/ical-format.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/plugins/save-calendar/ical-format.c b/plugins/save-calendar/ical-format.c new file mode 100644 index 0000000000..a007811708 --- /dev/null +++ b/plugins/save-calendar/ical-format.c @@ -0,0 +1,178 @@ +/* + * 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: + * 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; + + if (!e_cal_client_get_timezone_sync (tdata->client, tzid, &zone, NULL, &error)) { + g_warning ("Could not get the timezone information for %s : %s \n", 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, + ECalClientSourceType type, + 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_cal_client_connect_sync ( + primary_source, type, NULL, &error); + g_object_unref (primary_source); + + /* Sanity check. */ + g_return_if_fail ( + ((source_client != NULL) && (error == NULL)) || + ((source_client == NULL) && (error != NULL))); + + if (source_client == 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 (); + + error = NULL; + if (e_cal_client_get_object_list_sync (E_CAL_CLIENT (source_client), "#t", &objects, NULL, &error)) { + 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) { + 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_new (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; +} |