diff options
Diffstat (limited to 'calendar/importers/icalendar-importer.c')
| -rw-r--r-- | calendar/importers/icalendar-importer.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/calendar/importers/icalendar-importer.c b/calendar/importers/icalendar-importer.c new file mode 100644 index 0000000000..ab3cffcfa2 --- /dev/null +++ b/calendar/importers/icalendar-importer.c @@ -0,0 +1,238 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* Evolution calendar importer component + * + * Authors: Rodrigo Moya <rodrigo@ximian.com> + * + * Copyright (C) 2001 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. + */ + +#include <sys/types.h> +#include <fcntl.h> +#include <gtk/gtksignal.h> +#include <cal-client.h> +#include <importer/evolution-importer.h> +#include <importer/GNOME_Evolution_Importer.h> +#include "evolution-calendar-importer.h" + +typedef struct { + CalClient *client; + EvolutionImporter *importer; + icalcomponent *icalcomp; +} ICalImporter; + +static void +importer_destroy_cb (GtkObject *object, gpointer user_data) +{ + ICalImporter *ici = (ICalImporter *) user_data; + + g_return_if_fail (ici != NULL); + + gtk_object_unref (GTK_OBJECT (ici->client)); + if (ici->icalcomp != NULL) + icalcomponent_free (ici->icalcomp); + g_free (ici); +} + +static gboolean +support_format_fn (EvolutionImporter *importer, + const char *filename, + void *closure) +{ + int fd; + GString *str; + icalcomponent *icalcomp; + int n; + char buffer[2049]; + gboolean ret = TRUE; + + /* read file contents */ + fd = open (filename, O_RDONLY); + if (fd == -1) + return FALSE; + + str = g_string_new (""); + while (1) { + memset (buffer, 0, sizeof(buffer)); + n = read (fd, buffer, sizeof (buffer) - 1); + if (n > 0) { + str = g_string_append (str, buffer); + } + else if (n == 0) + break; + else { + ret = FALSE; + break; + } + } + + close (fd); + + /* parse the file */ + if (ret) { + icalcomp = icalparser_parse_string (str->str); + if (icalcomp) + icalcomponent_free (icalcomp); + else + ret = FALSE; + } + + g_string_free (str, TRUE); + + return ret; +} + +static gboolean +load_file_fn (EvolutionImporter *importer, + const char *filename, + const char *folderpath, + void *closure) +{ + int fd; + GString *str; + icalcomponent *icalcomp; + int n; + char buffer[2049]; + char *uri_str; + gboolean ret = TRUE; + ICalImporter *ici = (ICalImporter *) closure; + + g_return_val_if_fail (ici != NULL, FALSE); + + if (folderpath == NULL || *folderpath == '\0') + uri_str = g_strdup_printf ("%s/evolution/local/Calendar/calendar.ics", + g_get_home_dir ()); + else { + char *name; + char *parent; + + name = strrchr (folderpath, '/'); + if (!name) { + parent = g_strdup ("evolution/local/"); + name = folderpath; + } + else { + name += 1; + parent = g_strdup ("evolution/local/Calendar/subfolders/"); + } + uri_str = g_strdup_printf ("%s/%s%s/calendar.ics", g_get_home_dir (), + parent, name); + } + + /* read file contents */ + fd = open (filename, O_RDONLY); + if (fd == -1) + return FALSE; + + str = g_string_new (""); + while (1) { + memset (buffer, 0, sizeof(buffer)); + n = read (fd, buffer, sizeof (buffer) - 1); + if (n > 0) { + str = g_string_append (str, buffer); + } + else if (n == 0) + break; + else { + ret = FALSE; + break; + } + } + + close (fd); + + /* parse the file */ + if (ret) { + icalcomp = icalparser_parse_string (str->str); + if (icalcomp) { + if (!cal_client_open_calendar (ici->client, uri_str, TRUE)) + ret = FALSE; + else + ici->icalcomp = icalcomp; + } + else + ret = FALSE; + } + + g_string_free (str, TRUE); + g_free (uri_str); + + return ret; +} + +static void +process_item_fn (EvolutionImporter *importer, + CORBA_Object listener, + void *closure, + CORBA_Environment *ev) +{ + CalClientLoadState state; + ICalImporter *ici = (ICalImporter *) closure; + + g_return_if_fail (ici != NULL); + g_return_if_fail (IS_CAL_CLIENT (ici->client)); + g_return_if_fail (ici->icalcomp != NULL); + + state = cal_client_get_load_state (ici->client); + if (state == CAL_CLIENT_LOAD_LOADING) { + GNOME_Evolution_ImporterListener_notifyResult ( + listener, + GNOME_Evolution_ImporterListener_NOT_READY, + TRUE, ev); + return; + } + else if (state != CAL_CLIENT_LOAD_LOADED) { + GNOME_Evolution_ImporterListener_notifyResult ( + listener, + GNOME_Evolution_ImporterListener_UNSUPPORTED_OPERATION, + FALSE, ev); + return; + } + + /* import objects into the given client */ + if (!cal_client_update_objects (ici->client, ici->icalcomp)) { + g_warning ("Could not update objects"); + GNOME_Evolution_ImporterListener_notifyResult ( + listener, + GNOME_Evolution_ImporterListener_BAD_DATA, + FALSE, ev); + } + else { + GNOME_Evolution_ImporterListener_notifyResult ( + listener, + GNOME_Evolution_ImporterListener_OK, + FALSE, ev); + } +} + +BonoboObject * +ical_importer_new (void) +{ + ICalImporter *ici; + + ici = g_new0 (ICalImporter, 1); + ici->client = cal_client_new (); + ici->icalcomp = NULL; + ici->importer = evolution_importer_new (support_format_fn, + load_file_fn, + process_item_fn, + NULL, + ici); + gtk_signal_connect (GTK_OBJECT (ici->importer), "destroy", + GTK_SIGNAL_FUNC (importer_destroy_cb), ici); + + return BONOBO_OBJECT (ici->importer); +} |