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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., 59 Temple Street #330, Boston, MA 02111-1307, 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-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"

void org_gnome_new_mail_notify (EPlugin *ep, EMEventTargetFolder *t);
void org_gnome_message_reading_notify (EPlugin *ep, EMEventTargetMessage *t);

static DBusConnection *bus;

static void
send_dbus_message (const char *message_name, const char *data)
{
    DBusMessage *message;

    /* Create a new message on the DBUS_INTERFACE */
    message = dbus_message_new_signal (DBUS_PATH,
                       DBUS_INTERFACE,
                       message_name);

    if (message == NULL) 
        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);

    /* 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)
{
    send_dbus_message ("MessageReading", t->folder->name);
}

void
org_gnome_new_mail_notify (EPlugin *ep, EMEventTargetFolder *t)
{
    send_dbus_message ("Newmail", t->uri);
}

int e_plugin_lib_enable (EPluginLib *ep, int enable);

int
e_plugin_lib_enable (EPluginLib *ep, int enable)
{
    if (enable) {
        DBusError      error;

        dbus_error_init (&error);
        bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
        if (!bus) {
            g_warning("Failed to connect to the D-BUS daemon: %s\n", error.message);

            /* Could not determine address of the D-BUS session bus */
            /* Plugin will be disabled */
            dbus_error_free (&error);
            return -1;
        }

        /* Set up this connection to work in a GLib event loop  */
        dbus_connection_setup_with_g_main (bus, NULL);
    }
    /* else unref the bus if set? */

    return 0;
}