/*
* Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <gtk/gtkwidget.h>
#include <string.h>
#include "ephy-favicon.h"
#include "ephy-embed-shell.h"
static void ephy_favicon_class_init (EphyFaviconClass *klass);
static void ephy_favicon_init (EphyFavicon *ma);
static void ephy_favicon_finalize (GObject *object);
static void ephy_favicon_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void ephy_favicon_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void ephy_favicon_update_image (EphyFavicon *favicon);
static void cache_changed_cb (EphyFaviconCache *cache,
const char *url,
EphyFavicon *favicon);
struct EphyFaviconPrivate
{
EphyFaviconCache *cache;
char *url;
};
enum
{
PROP_0,
PROP_CACHE,
PROP_URL
};
enum
{
CHANGED,
LAST_SIGNAL
};
static guint ephy_favicon_signals[LAST_SIGNAL] = { 0 };
static GObjectClass *parent_class = NULL;
GType
ephy_favicon_get_type (void)
{
static GType ephy_favicon_type = 0;
if (ephy_favicon_type == 0)
{
static const GTypeInfo our_info =
{
sizeof (EphyFaviconClass),
NULL,
NULL,
(GClassInitFunc) ephy_favicon_class_init,
NULL,
NULL,
sizeof (EphyFavicon),
0,
(GInstanceInitFunc) ephy_favicon_init
};
ephy_favicon_type = g_type_register_static (GTK_TYPE_IMAGE,
"EphyFavicon",
&our_info, 0);
}
return ephy_favicon_type;
}
static void
ephy_favicon_class_init (EphyFaviconClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = ephy_favicon_finalize;
object_class->set_property = ephy_favicon_set_property;
object_class->get_property = ephy_favicon_get_property;
g_object_class_install_property (object_class,
PROP_CACHE,
g_param_spec_object ("cache",
"Favicon cache",
"Favicon cache",
EPHY_TYPE_FAVICON_CACHE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_URL,
g_param_spec_string ("url",
"Associated URL",
"Associated URL",
NULL,
G_PARAM_READWRITE));
ephy_favicon_signals[CHANGED] =
g_signal_new ("changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EphyFaviconClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
}
static void
ephy_favicon_init (EphyFavicon *ma)
{
ma->priv = g_new0 (EphyFaviconPrivate, 1);
gtk_widget_set_size_request (GTK_WIDGET (ma), 16, 16);
}
static void
ephy_favicon_finalize (GObject *object)
{
EphyFavicon *ma;
g_return_if_fail (object != NULL);
g_return_if_fail (EPHY_IS_FAVICON (object));
ma = EPHY_FAVICON (object);
g_return_if_fail (ma->priv != NULL);
g_free (ma->priv->url);
g_free (ma->priv);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
ephy_favicon_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EphyFavicon *favicon = EPHY_FAVICON (object);
switch (prop_id)
{
case PROP_CACHE:
favicon->priv->cache = g_value_get_object (value);
g_signal_connect_object (G_OBJECT (favicon->priv->cache),
"changed",
G_CALLBACK (cache_changed_cb),
favicon,
0);
ephy_favicon_update_image (favicon);
break;
case PROP_URL:
g_free (favicon->priv->url);
favicon->priv->url = g_strdup (g_value_get_string (value));
ephy_favicon_update_image (favicon);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
ephy_favicon_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EphyFavicon *favicon = EPHY_FAVICON (object);
switch (prop_id)
{
case PROP_CACHE:
g_value_set_object (value, favicon->priv->cache);
break;
case PROP_URL:
g_value_set_string (value, favicon->priv->url);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
GtkWidget *
ephy_favicon_new (const char *url)
{
EphyFavicon *favicon;
EphyFaviconCache *cache = ephy_embed_shell_get_favicon_cache (embed_shell);
g_return_val_if_fail (EPHY_IS_FAVICON_CACHE (cache), NULL);
favicon = EPHY_FAVICON (g_object_new (EPHY_TYPE_FAVICON,
"cache", cache,
"url", url,
NULL));
g_return_val_if_fail (favicon->priv != NULL, NULL);
return GTK_WIDGET (favicon);
}
void
ephy_favicon_set_url (EphyFavicon *favicon,
const char *url)
{
g_return_if_fail (EPHY_IS_FAVICON (favicon));
g_object_set (G_OBJECT (favicon),
"url", url,
NULL);
}
const char *
ephy_favicon_get_url (EphyFavicon *favicon)
{
char *url;
g_return_val_if_fail (EPHY_IS_FAVICON (favicon), NULL);
g_object_get (G_OBJECT (favicon),
"url", &url,
NULL);
return (const char *) url;
}
static void
cache_changed_cb (EphyFaviconCache *cache,
const char *url,
EphyFavicon *favicon)
{
if (strcmp (url, favicon->priv->url) == 0)
{
ephy_favicon_update_image (favicon);
}
}
static void
ephy_favicon_update_image (EphyFavicon *favicon)
{
GdkPixbuf *pixbuf;
g_return_if_fail (EPHY_IS_FAVICON_CACHE (favicon->priv->cache));
pixbuf = ephy_favicon_cache_lookup (favicon->priv->cache,
favicon->priv->url);
gtk_image_set_from_pixbuf (GTK_IMAGE (favicon), pixbuf);
g_signal_emit (G_OBJECT (favicon), ephy_favicon_signals[CHANGED], 0);
}