path: root/addressbook/gui/widgets/eab-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.
 *
 * 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 Lesser General Public License
 * along with this 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 "eab-config.h"

#define EAB_CONFIG_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), EAB_TYPE_CONFIG, EABConfigPrivate))

struct _EABConfigPrivate {
    guint source_changed_id;
};

G_DEFINE_TYPE (EABConfig, eab_config, E_TYPE_CONFIG)

static void
eab_config_init (EABConfig *cfg)
{
    cfg->priv = EAB_CONFIG_GET_PRIVATE (cfg);
}

static void
ecp_target_free (EConfig *ec,
                 EConfigTarget *t)
{
    struct _EABConfigPrivate *p = EAB_CONFIG (ec)->priv;

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

            if (p->source_changed_id) {
                g_signal_handler_disconnect (s->source, p->source_changed_id);
                p->source_changed_id = 0;
            }
            break; }
        case EAB_CONFIG_TARGET_PREFS:
            break;
        }
    }

    switch (t->type) {
    case EAB_CONFIG_TARGET_SOURCE: {
        EABConfigTargetSource *s = (EABConfigTargetSource *) t;

        if (s->source)
            g_object_unref (s->source);
        break; }
    case EAB_CONFIG_TARGET_PREFS: {
        EABConfigTargetPrefs *s = (EABConfigTargetPrefs *) t;

        if (s->settings)
            g_object_unref (s->settings);
        break; }
    }

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

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

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

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

    if (t) {
        switch (t->type) {
        case EAB_CONFIG_TARGET_SOURCE: {
            EABConfigTargetSource *s = (EABConfigTargetSource *) t;

            p->source_changed_id = g_signal_connect (
                s->source, "changed",
                G_CALLBACK (ecp_source_changed), ec);
            break; }
        case EAB_CONFIG_TARGET_PREFS:
            break;
        }
    }
}

static void
eab_config_class_init (EABConfigClass *class)
{
    EConfigClass *config_class;

    g_type_class_add_private (class, sizeof (struct _EABConfigPrivate));

    config_class = E_CONFIG_CLASS (class);
    config_class->set_target = ecp_set_target;
    config_class->target_free = ecp_target_free;
}

EABConfig *
eab_config_new (const gchar *menuid)
{
    EABConfig *ecp = g_object_new (eab_config_get_type (), NULL);
    e_config_construct (&ecp->config, menuid);
    return ecp;
}

EABConfigTargetSource *
eab_config_target_new_source (EABConfig *ecp,
                              ESource *source)
{
    EABConfigTargetSource *t = e_config_target_new (
        &ecp->config, EAB_CONFIG_TARGET_SOURCE, sizeof (*t));

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

    return t;
}

EABConfigTargetPrefs *
eab_config_target_new_prefs (EABConfig *ecp,
                             GSettings *settings)
{
    EABConfigTargetPrefs *t = e_config_target_new (
        &ecp->config, EAB_CONFIG_TARGET_PREFS, sizeof (*t));

    if (settings)
        t->settings = g_object_ref (settings);
    else
        t->settings = NULL;

    return t;
}