2 * Copyright (C) 2005 Marco Pesenti Gritti
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include <glib/gi18n.h>
25 #include "ev-history.h"
27 struct _EvHistoryPrivate
32 static void ev_history_init (EvHistory *history);
33 static void ev_history_class_init (EvHistoryClass *class);
35 G_DEFINE_TYPE (EvHistory, ev_history, G_TYPE_OBJECT)
37 #define EV_HISTORY_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_HISTORY, EvHistoryPrivate))
40 ev_history_init (EvHistory *history)
42 history->priv = EV_HISTORY_GET_PRIVATE (history);
44 history->priv->links = NULL;
48 free_links_list (GList *l)
50 g_list_foreach (l, (GFunc)g_object_unref, NULL);
55 ev_history_finalize (GObject *object)
57 EvHistory *history = EV_HISTORY (object);
59 free_links_list (history->priv->links);
61 G_OBJECT_CLASS (ev_history_parent_class)->finalize (object);
65 ev_history_class_init (EvHistoryClass *class)
67 GObjectClass *object_class = G_OBJECT_CLASS (class);
69 object_class->finalize = ev_history_finalize;
71 g_type_class_add_private (object_class, sizeof (EvHistoryPrivate));
74 #define HISTORY_LENGTH 7
77 ev_history_add_link (EvHistory *history, EvLink *link)
81 g_return_if_fail (EV_IS_HISTORY (history));
82 g_return_if_fail (EV_IS_LINK (link));
84 for (l = history->priv->links; l; l = l->next) {
85 if (!strcmp (ev_link_get_title (EV_LINK (l->data)), ev_link_get_title (link))) {
86 g_object_unref (G_OBJECT (l->data));
87 history->priv->links = g_list_delete_link (history->priv->links, l);
93 history->priv->links = g_list_append (history->priv->links,
96 if (g_list_length (history->priv->links) > HISTORY_LENGTH) {
97 g_object_unref (G_OBJECT (history->priv->links->data));
98 history->priv->links = g_list_delete_link (history->priv->links,
99 history->priv->links);
104 ev_history_get_link_nth (EvHistory *history, int index)
108 g_return_val_if_fail (EV_IS_HISTORY (history), NULL);
110 l = g_list_nth (history->priv->links, index);
112 return EV_LINK (l->data);
116 ev_history_get_n_links (EvHistory *history)
118 g_return_val_if_fail (EV_IS_HISTORY (history), -1);
120 return g_list_length (history->priv->links);
124 ev_history_new (void)
126 return EV_HISTORY (g_object_new (EV_TYPE_HISTORY, NULL));