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>
24 #include "ev-history.h"
26 struct _EvHistoryPrivate
37 static void ev_history_init (EvHistory *history);
38 static void ev_history_class_init (EvHistoryClass *class);
40 static GObjectClass *parent_class = NULL;
42 G_DEFINE_TYPE (EvHistory, ev_history, G_TYPE_OBJECT)
44 #define EV_HISTORY_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_HISTORY, EvHistoryPrivate))
47 ev_history_init (EvHistory *history)
49 history->priv = EV_HISTORY_GET_PRIVATE (history);
51 history->priv->links = NULL;
52 history->priv->current_index = -1;
56 free_links_list (GList *l)
58 g_list_foreach (l, (GFunc)g_object_unref, NULL);
63 ev_history_finalize (GObject *object)
65 EvHistory *history = EV_HISTORY (object);
67 free_links_list (history->priv->links);
69 parent_class->finalize (object);
73 ev_history_get_property (GObject *object, guint prop_id, GValue *value,
74 GParamSpec *param_spec)
78 self = EV_HISTORY (object);
82 g_value_set_int (value, self->priv->current_index);
85 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
93 ev_history_set_property (GObject *object, guint prop_id, const GValue *value,
94 GParamSpec *param_spec)
98 self = EV_HISTORY (object);
102 ev_history_set_current_index (self, g_value_get_int (value));
105 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
113 ev_history_class_init (EvHistoryClass *class)
115 GObjectClass *object_class = G_OBJECT_CLASS (class);
117 object_class->finalize = ev_history_finalize;
118 object_class->set_property = ev_history_set_property;
119 object_class->get_property = ev_history_get_property;
121 parent_class = g_type_class_peek_parent (class);
123 g_object_class_install_property (object_class,
125 g_param_spec_int ("index",
133 g_type_class_add_private (object_class, sizeof (EvHistoryPrivate));
137 ev_history_add_link (EvHistory *history, EvLink *link)
141 g_return_if_fail (EV_IS_HISTORY (history));
142 g_return_if_fail (EV_IS_LINK (link));
144 length = g_list_length (history->priv->links);
145 if (history->priv->current_index < length - 1) {
146 GList *l = g_list_nth (history->priv->links,
147 history->priv->current_index + 1);
150 l->prev->next = NULL;
153 free_links_list (history->priv->links);
154 history->priv->links = NULL;
159 history->priv->links = g_list_append (history->priv->links,
162 length = g_list_length (history->priv->links);
163 history->priv->current_index = length - 1;
167 ev_history_add_page (EvHistory *history, int page)
171 EvLinkAction *action;
174 g_return_if_fail (EV_IS_HISTORY (history));
175 title = g_strdup_printf (_("Page: %d"), page);
177 dest = ev_link_dest_new_page (page);
178 action = ev_link_action_new_dest (dest);
179 link = ev_link_new (title, action);
182 ev_history_add_link (history, link);
186 ev_history_get_link_nth (EvHistory *history, int index)
190 g_return_val_if_fail (EV_IS_HISTORY (history), NULL);
192 l = g_list_nth (history->priv->links, index);
194 return EV_LINK (l->data);
198 ev_history_get_n_links (EvHistory *history)
200 g_return_val_if_fail (EV_IS_HISTORY (history), -1);
202 return g_list_length (history->priv->links);
206 ev_history_get_current_index (EvHistory *history)
208 g_return_val_if_fail (EV_IS_HISTORY (history), -1);
210 return history->priv->current_index;
214 ev_history_set_current_index (EvHistory *history, int index)
216 g_return_if_fail (EV_IS_HISTORY (history));
218 history->priv->current_index = index;
220 g_object_notify (G_OBJECT (history), "index");
224 ev_history_new (void)
226 return EV_HISTORY (g_object_new (EV_TYPE_HISTORY, NULL));