path: root/embed/ephy-embed-favicon.c

/*
 *  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 <string.h>

#include "ephy-embed-favicon.h"
#include "ephy-embed-shell.h"

static void ephy_embed_favicon_class_init (EphyEmbedFaviconClass *klass);
static void ephy_embed_favicon_init (EphyEmbedFavicon *ma);
static void ephy_embed_favicon_finalize (GObject *object);
static void ephy_embed_favicon_set_property (GObject *object,
                         guint prop_id,
                         const GValue *value,
                         GParamSpec *pspec);
static void ephy_embed_favicon_get_property (GObject *object,
                         guint prop_id,
                         GValue *value,
                         GParamSpec *pspec);

struct EphyEmbedFaviconPrivate
{
    EphyEmbed *embed;
};

enum
{
    PROP_0,
    PROP_EMBED
};

static GObjectClass *parent_class = NULL;

GType
ephy_embed_favicon_get_type (void)
{
    static GType ephy_embed_favicon_type = 0;

    if (ephy_embed_favicon_type == 0)
    {
        static const GTypeInfo our_info =
        {
            sizeof (EphyEmbedFaviconClass),
            NULL,
            NULL,
            (GClassInitFunc) ephy_embed_favicon_class_init,
            NULL,
            NULL,
            sizeof (EphyEmbedFavicon),
            0,
            (GInstanceInitFunc) ephy_embed_favicon_init
        };

        ephy_embed_favicon_type = g_type_register_static (EPHY_TYPE_FAVICON,
                                        "EphyEmbedFavicon",
                                        &our_info, 0);
    }

    return ephy_embed_favicon_type;
}

static void
ephy_embed_favicon_class_init (EphyEmbedFaviconClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class->finalize = ephy_embed_favicon_finalize;

    object_class->set_property = ephy_embed_favicon_set_property;
    object_class->get_property = ephy_embed_favicon_get_property;

    g_object_class_install_property (object_class,
                     PROP_EMBED,
                     g_param_spec_object ("embed",
                                  "Associated embed",
                                  "Associated embed",
                                  G_TYPE_OBJECT,
                                  G_PARAM_READWRITE));
}

static void
ephy_embed_favicon_init (EphyEmbedFavicon *ma)
{
    ma->priv = g_new0 (EphyEmbedFaviconPrivate, 1);
}

static void
ephy_embed_favicon_finalize (GObject *object)
{
    EphyEmbedFavicon *ma;

    g_return_if_fail (object != NULL);
    g_return_if_fail (EPHY_IS_EMBED_FAVICON (object));

    ma = EPHY_EMBED_FAVICON (object);

    g_return_if_fail (ma->priv != NULL);

    g_free (ma->priv);

    G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
location_changed_cb (EphyEmbed *embed,
                 EphyEmbedFavicon *favicon)
{
    char *location;

    ephy_embed_get_location (embed, TRUE, FALSE, &location);
    ephy_favicon_set_url (EPHY_FAVICON (favicon), location);

    g_free (location);
}

static void
favicon_cb (EphyEmbed *embed,
        const char *favicon_url,
        EphyEmbedFavicon *favicon)
{
    char *url = NULL;
    EphyFaviconCache *cache;

    if (favicon->priv->embed == NULL)
        return;

    ephy_embed_get_location (favicon->priv->embed, TRUE, TRUE, &url);

    g_object_get (G_OBJECT (favicon),
              "cache", &cache,
              NULL);

    ephy_favicon_cache_insert_from_url (cache,
                        url,
                        favicon_url);

    g_object_unref (cache);

    g_free (url);
}

static void
ephy_embed_favicon_set_property (GObject *object,
                     guint prop_id,
                     const GValue *value,
                     GParamSpec *pspec)
{
    EphyEmbedFavicon *favicon = EPHY_EMBED_FAVICON (object);

    switch (prop_id)
    {
    case PROP_EMBED:
        favicon->priv->embed = g_value_get_object (value);

        if (favicon->priv->embed != NULL)
        {
            g_signal_connect_object (G_OBJECT (favicon->priv->embed),
                             "ge_favicon",
                             G_CALLBACK (favicon_cb),
                             favicon,
                         0);
            g_signal_connect_object (G_OBJECT (favicon->priv->embed),
                             "ge_location",
                             G_CALLBACK (location_changed_cb),
                             favicon,
                         0);
        }
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
ephy_embed_favicon_get_property (GObject *object,
                     guint prop_id,
                     GValue *value,
                     GParamSpec *pspec)
{
    EphyEmbedFavicon *favicon = EPHY_EMBED_FAVICON (object);

    switch (prop_id)
    {
    case PROP_EMBED:
        g_value_set_object (value, favicon->priv->embed);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

GtkWidget *
ephy_embed_favicon_new (EphyEmbed *embed)
{
    EphyEmbedFavicon *favicon;
    EphyFaviconCache *cache = ephy_embed_shell_get_favicon_cache (embed_shell);

    g_return_val_if_fail (EPHY_IS_FAVICON_CACHE (cache), NULL);

    favicon = EPHY_EMBED_FAVICON (g_object_new (EPHY_TYPE_EMBED_FAVICON,
                              "cache", cache,
                              "embed", embed,
                              NULL));

    g_return_val_if_fail (favicon->priv != NULL, NULL);

    return GTK_WIDGET (favicon);
}

void
ephy_embed_favicon_set_embed (EphyEmbedFavicon *favicon,
                    EphyEmbed *embed)
{
    g_return_if_fail (EPHY_IS_EMBED_FAVICON (favicon));

    g_object_set (G_OBJECT (favicon),
              "embed", embed,
              NULL);
}

EphyEmbed *
ephy_embed_favicon_get_embed (EphyEmbedFavicon *favicon)
{
    EphyEmbed *embed;

    g_return_val_if_fail (EPHY_IS_EMBED_FAVICON (favicon), NULL);

    g_object_get (G_OBJECT (favicon),
              "embed", &embed,
              NULL);

    return embed;
}