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/*
 * 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:
 *      Michael Zucchi <notzed@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <stdlib.h>

#include "es-event.h"
#include "e-shell.h"

static ESEvent *es_event;

G_DEFINE_TYPE (ESEvent, es_event, E_TYPE_EVENT)

static void
es_event_class_init (ESEventClass *class)
{
}

static void
es_event_init (ESEvent *event)
{
}

/**
 * es_event_peek:
 *
 * Get the singular instance of the shell event handler.
 *
 * Return: the shell event handler
 **/
ESEvent *
es_event_peek (void)
{
    if (es_event == NULL) {
        es_event = g_object_new (es_event_get_type (), NULL);
        /** @HookPoint: Shell Events Hookpoint
         * Id: org.gnome.evolution.shell.events
         *
         * This is the hook point which emits shell events.
         */
        e_event_construct(&es_event->event, "org.gnome.evolution.shell.events");
    }

    return es_event;
}

ESEventTargetUpgrade *
es_event_target_new_upgrade (ESEvent *eme,
                             gint major,
                             gint minor,
                             gint revision)
{
    ESEventTargetUpgrade *t;

    t = e_event_target_new (
        &eme->event, ES_EVENT_TARGET_UPGRADE, sizeof (*t));
    t->major = major;
    t->minor = minor;
    t->revision = revision;

    return t;
}

/* ********************************************************************** */

G_DEFINE_TYPE (ESEventHook, es_event_hook, E_TYPE_EVENT_HOOK)

static const EEventHookTargetMap emeh_targets[] = {
    { "upgrade", ES_EVENT_TARGET_UPGRADE, NULL },
    { NULL }
};

static void
es_event_hook_class_init (ESEventHookClass *class)
{
    EPluginHookClass *plugin_hook_class;
    EEventHookClass *event_hook_class;
    gint i;

    /** @HookClass: Shell Main Menu
     * @Id: org.gnome.evolution.shell.events:1.0
     * @Target: ESEventTargetState
     *
     * A hook for events coming from the shell.
     **/

    plugin_hook_class = E_PLUGIN_HOOK_CLASS (class);
    plugin_hook_class->id = "org.gnome.evolution.shell.events:1.0";

    for (i = 0; emeh_targets[i].type; i++)
        e_event_hook_class_add_target_map (
            (EEventHookClass *) class, &emeh_targets[i]);

    event_hook_class = E_EVENT_HOOK_CLASS (class);
    event_hook_class->event = (EEvent *) es_event_peek ();
}

static void
es_event_hook_init (ESEventHook *hook)
{
}