#include "config.h"
#include <glib/gi18n.h>
+#include <string.h>
#include "ev-history.h"
-struct _EvHistoryPrivate
+
+enum
{
- GList *links;
- int current_index;
+ HISTORY_CHANGED,
+ N_SIGNALS
};
-enum {
- PROP_0,
- PROP_INDEX
+static guint signals[N_SIGNALS] = {0, };
+
+struct _EvHistoryPrivate
+{
+ GList *links;
};
static void ev_history_init (EvHistory *history);
static void ev_history_class_init (EvHistoryClass *class);
-static GObjectClass *parent_class = NULL;
-
G_DEFINE_TYPE (EvHistory, ev_history, G_TYPE_OBJECT)
#define EV_HISTORY_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_HISTORY, EvHistoryPrivate))
history->priv = EV_HISTORY_GET_PRIVATE (history);
history->priv->links = NULL;
- history->priv->current_index = -1;
}
static void
free_links_list (history->priv->links);
- parent_class->finalize (object);
-}
-
-static void
-ev_history_get_property (GObject *object, guint prop_id, GValue *value,
- GParamSpec *param_spec)
-{
- EvHistory *self;
-
- self = EV_HISTORY (object);
-
- switch (prop_id) {
- case PROP_INDEX:
- g_value_set_int (value, self->priv->current_index);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
- prop_id,
- param_spec);
- break;
- }
-}
-
-static void
-ev_history_set_property (GObject *object, guint prop_id, const GValue *value,
- GParamSpec *param_spec)
-{
- EvHistory *self;
-
- self = EV_HISTORY (object);
-
- switch (prop_id) {
- case PROP_INDEX:
- ev_history_set_current_index (self, g_value_get_int (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
- prop_id,
- param_spec);
- break;
- }
+ G_OBJECT_CLASS (ev_history_parent_class)->finalize (object);
}
static void
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = ev_history_finalize;
- object_class->set_property = ev_history_set_property;
- object_class->get_property = ev_history_get_property;
-
- parent_class = g_type_class_peek_parent (class);
- g_object_class_install_property (object_class,
- PROP_INDEX,
- g_param_spec_int ("index",
- "Current Index",
- "The current index",
- -1,
- G_MAXINT,
- 0,
- G_PARAM_READWRITE));
+ signals[HISTORY_CHANGED] =
+ g_signal_new ("changed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvHistoryClass, changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
g_type_class_add_private (object_class, sizeof (EvHistoryPrivate));
}
+#define HISTORY_LENGTH 7
+
void
ev_history_add_link (EvHistory *history, EvLink *link)
{
- int length;
+ GList *l;
g_return_if_fail (EV_IS_HISTORY (history));
g_return_if_fail (EV_IS_LINK (link));
- length = g_list_length (history->priv->links);
- if (history->priv->current_index < length - 1) {
- GList *l = g_list_nth (history->priv->links,
- history->priv->current_index + 1);
-
- if (l->prev) {
- l->prev->next = NULL;
- free_links_list (l);
- } else {
- free_links_list (history->priv->links);
- history->priv->links = NULL;
+ for (l = history->priv->links; l; l = l->next) {
+ if (!strcmp (ev_link_get_title (EV_LINK (l->data)), ev_link_get_title (link))) {
+ g_object_unref (G_OBJECT (l->data));
+ history->priv->links = g_list_delete_link (history->priv->links, l);
+ break;
}
}
g_object_ref (link);
history->priv->links = g_list_append (history->priv->links,
link);
-
- length = g_list_length (history->priv->links);
- history->priv->current_index = length - 1;
-}
-
-void
-ev_history_add_page (EvHistory *history, int page, const gchar *label)
-{
- EvLink *link;
- EvLinkDest *dest;
- EvLinkAction *action;
- gchar *title;
-
- g_return_if_fail (EV_IS_HISTORY (history));
+
+ if (g_list_length (history->priv->links) > HISTORY_LENGTH) {
+ g_object_unref (G_OBJECT (history->priv->links->data));
+ history->priv->links = g_list_delete_link (history->priv->links,
+ history->priv->links);
+ }
- title = g_strdup_printf (_("Page: %s"), label);
-
- dest = ev_link_dest_new_page (page);
- action = ev_link_action_new_dest (dest);
- link = ev_link_new (title, action);
- g_free (title);
-
- ev_history_add_link (history, link);
+ g_signal_emit (G_OBJECT (history), signals[HISTORY_CHANGED], 0);
}
EvLink *
return g_list_length (history->priv->links);
}
-int
-ev_history_get_current_index (EvHistory *history)
-{
- g_return_val_if_fail (EV_IS_HISTORY (history), -1);
-
- return history->priv->current_index;
-}
-
-void
-ev_history_set_current_index (EvHistory *history, int index)
-{
- g_return_if_fail (EV_IS_HISTORY (history));
-
- history->priv->current_index = index;
-
- g_object_notify (G_OBJECT (history), "index");
-}
-
EvHistory *
ev_history_new (void)
{
return EV_HISTORY (g_object_new (EV_TYPE_HISTORY, NULL));
}
+