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/* -*- 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 == NULL || name == folderpath) {
parent = g_strdup ("evolution/local/");
if (folderpath[0] == '/')
name = folderpath + 1;
else
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);
}
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