path: root/calendar/gui/e-cal-config.c

/*
 * 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:
 *      David Trowbridge <trowbrds@cs.colorado.edu>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <gtk/gtk.h>
#include "e-cal-config.h"

static GObjectClass *ecp_parent_class;

struct _ECalConfigPrivate {
    guint source_changed_id;
};

#define _PRIVATE(o) (g_type_instance_get_private ((GTypeInstance *)o, e_cal_config_get_type ()))

static void
ecp_init (GObject *o)
{
}

static void
ecp_target_free (EConfig *ec, EConfigTarget *t)
{
    struct _ECalConfigPrivate *p = _PRIVATE (ec);

    if (ec->target == t) {
        switch (t->type) {
        case EC_CONFIG_TARGET_SOURCE: {
            ECalConfigTargetSource *s = (ECalConfigTargetSource *)t;

            if (p->source_changed_id) {
                g_signal_handler_disconnect (s->source, p->source_changed_id);
                p->source_changed_id = 0;
            }
            break; }
        case EC_CONFIG_TARGET_PREFS: {
            /* ECalConfigTargetPrefs *s = (ECalConfigTargetPrefs *)t; */
            break; }
        }
    }

    switch (t->type) {
    case EC_CONFIG_TARGET_SOURCE: {
        ECalConfigTargetSource *s = (ECalConfigTargetSource *)t;
        if (s->source)
            g_object_unref (s->source);
        break; }
    case EC_CONFIG_TARGET_PREFS: {
        ECalConfigTargetPrefs *s = (ECalConfigTargetPrefs *)t;
        if (s->gconf)
            g_object_unref (s->gconf);
        break; }
    }

    ((EConfigClass *) ecp_parent_class)->target_free (ec, t);
}

static void
ecp_source_changed (struct _ESource *source, EConfig *ec)
{
    e_config_target_changed (ec, E_CONFIG_TARGET_CHANGED_STATE);
}

static void
ecp_set_target (EConfig *ec, EConfigTarget *t)
{
    struct _ECalConfigPrivate *p = _PRIVATE(ec);

    ((EConfigClass *)ecp_parent_class)->set_target(ec, t);

    if (t) {
        switch (t->type) {
        case EC_CONFIG_TARGET_SOURCE: {
            ECalConfigTargetSource *s = (ECalConfigTargetSource *)t;

            p->source_changed_id = g_signal_connect (s->source, "changed", G_CALLBACK (ecp_source_changed), ec);
            break; }
        case EC_CONFIG_TARGET_PREFS: {
            /* ECalConfigTargetPrefs *s = (ECalConfigTargetPrefs *)t; */
            break; }
        }
    }
}

static void
ecp_class_init (GObjectClass *klass)
{
    ((EConfigClass *)klass)->set_target = ecp_set_target;
    ((EConfigClass *)klass)->target_free = ecp_target_free;

    g_type_class_add_private (klass, sizeof (struct _ECalConfigPrivate));
}

GType
e_cal_config_get_type (void)
{
    static GType type = 0;

    if (!type) {
        static const GTypeInfo info = {
            sizeof (ECalConfigClass),
            NULL, NULL,
            (GClassInitFunc) ecp_class_init,
            NULL, NULL,
            sizeof (ECalConfig), 0,
            (GInstanceInitFunc) ecp_init
        };

        ecp_parent_class = g_type_class_ref (e_config_get_type ());
        type = g_type_register_static (e_config_get_type (), "ECalConfig", &info, 0);
    }

    return type;
}

ECalConfig *
e_cal_config_new (gint type, const gchar *menuid)
{
    ECalConfig *ecp = g_object_new (e_cal_config_get_type(), NULL);
    e_config_construct (&ecp->config, type, menuid);
    return ecp;
}

ECalConfigTargetSource *
e_cal_config_target_new_source (ECalConfig *ecp, struct _ESource *source)
{
    ECalConfigTargetSource *t = e_config_target_new (&ecp->config, EC_CONFIG_TARGET_SOURCE, sizeof (*t));

    t->source = source;
    g_object_ref (source);

    return t;
}

ECalConfigTargetPrefs *
e_cal_config_target_new_prefs (ECalConfig *ecp, struct _GConfClient *gconf)
{
    ECalConfigTargetPrefs *t = e_config_target_new (&ecp->config, EC_CONFIG_TARGET_PREFS, sizeof (*t));

    t->gconf = gconf;
    if (gconf)
        g_object_ref (gconf);

    return t;
}