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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Author: Miguel Angel Lopez Hernandez <miguel@gulev.org.mx>
*
* Copyright 2004 Novell, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <glib.h>
#include <gconf/gconf-client.h>
#include <e-util/e-config.h>
#include <mail/em-utils.h>
#include <mail/em-event.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#include <camel/camel-folder.h>
#define DBUS_PATH "/org/gnome/evolution/mail/newmail"
#define DBUS_INTERFACE "org.gnome.evolution.mail.dbus.Signal"
int e_plugin_lib_enable (EPluginLib *ep, int enable);
void org_gnome_new_mail_notify (EPlugin *ep, EMEventTargetFolder *t);
void org_gnome_message_reading_notify (EPlugin *ep, EMEventTargetMessage *t);
static gboolean init_dbus (void);
static DBusConnection *bus = NULL;
static gboolean enabled = FALSE;
static void
send_dbus_message (const char *name, const char *data, guint new)
{
DBusMessage *message;
/* Create a new message on the DBUS_INTERFACE */
if (!(message = dbus_message_new_signal (DBUS_PATH, DBUS_INTERFACE, name)))
return;
/* Appends the data as an argument to the message */
dbus_message_append_args (message,
#if DBUS_VERSION >= 310
DBUS_TYPE_STRING, &data,
#else
DBUS_TYPE_STRING, data,
#endif
DBUS_TYPE_INVALID);
if (new) {
char * display_name = em_utils_folder_name_from_uri(data);
dbus_message_append_args (message,
#if DBUS_VERSION >= 310
DBUS_TYPE_STRING, &display_name, DBUS_TYPE_UINT32, &new,
#else
DBUS_TYPE_STRING, display_name, DBUS_TYPE_UINT32, new,
#endif
DBUS_TYPE_INVALID);
}
/* Sends the message */
dbus_connection_send (bus, message, NULL);
/* Frees the message */
dbus_message_unref (message);
}
void
org_gnome_message_reading_notify (EPlugin *ep, EMEventTargetMessage *t)
{
if (bus != NULL)
send_dbus_message ("MessageReading", t->folder->name, 0);
}
void
org_gnome_new_mail_notify (EPlugin *ep, EMEventTargetFolder *t)
{
if (bus != NULL)
send_dbus_message ("Newmail", t->uri, t->new);
}
static gboolean
reinit_dbus (gpointer user_data)
{
if (!enabled || init_dbus ())
return FALSE;
/* keep trying to re-establish dbus connection */
return TRUE;
}
static DBusHandlerResult
filter_function (DBusConnection *connection, DBusMessage *message, void *user_data)
{
if (dbus_message_is_signal (message, DBUS_INTERFACE_LOCAL, "Disconnected") &&
strcmp (dbus_message_get_path (message), DBUS_PATH_LOCAL) == 0) {
dbus_connection_unref (bus);
bus = NULL;
g_timeout_add (3000, reinit_dbus, NULL);
return DBUS_HANDLER_RESULT_HANDLED;
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static gboolean
init_dbus (void)
{
DBusError error;
if (bus != NULL)
return TRUE;
dbus_error_init (&error);
if (!(bus = dbus_bus_get (DBUS_BUS_SESSION, &error))) {
g_warning ("could not get system bus: %s\n", error.message);
dbus_error_free (&error);
return FALSE;
}
dbus_connection_setup_with_g_main (bus, NULL);
dbus_connection_set_exit_on_disconnect (bus, FALSE);
dbus_connection_add_filter (bus, filter_function, NULL, NULL);
return TRUE;
}
int
e_plugin_lib_enable (EPluginLib *ep, int enable)
{
if (enable) {
if (!init_dbus ())
return -1;
enabled = TRUE;
} else {
if (bus != NULL) {
dbus_connection_unref (bus);
bus = NULL;
}
enabled = FALSE;
}
return 0;
}
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