path: root/lib/toolbar/ephy-toolbar-item-factory.c

/*
 *  Copyright (C) 2002  Ricardo Fernández Pascual
 *
 *  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, 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "ephy-toolbar-item-factory.h"
#include <string.h>

#include "ephy-tbi-zoom.h"
#include "ephy-tbi-separator.h"
#include "ephy-tbi-favicon.h"
#include "ephy-tbi-spinner.h"
#include "ephy-tbi-location.h"
#include "ephy-tbi-navigation-history.h"
#include "ephy-tbi-std-toolitem.h"

#define NOT_IMPLEMENTED g_warning ("not implemented: " G_STRLOC);
//#define DEBUG_MSG(x) g_print x
#define DEBUG_MSG(x)

typedef struct
{
    const char *type_name;
    EphyTbItemConstructor constructor;
} EphyTbItemTypeInfo;

static EphyTbItemTypeInfo ephy_tb_item_default_types[] =
{
    { "std_toolitem",       (EphyTbItemConstructor) ephy_tbi_std_toolitem_new },
    { "navigation_history",     (EphyTbItemConstructor) ephy_tbi_navigation_history_new },
    { "zoom",           (EphyTbItemConstructor) ephy_tbi_zoom_new },
    { "location",           (EphyTbItemConstructor) ephy_tbi_location_new },
    { "spinner",            (EphyTbItemConstructor) ephy_tbi_spinner_new },
    { "favicon",            (EphyTbItemConstructor) ephy_tbi_favicon_new },
    { "separator",          (EphyTbItemConstructor) ephy_tbi_separator_new },
    { NULL,             NULL }
};

static GHashTable *ephy_tb_item_known_types = NULL;

static void
ephy_tb_item_factory_init (void)
{
    if (ephy_tb_item_known_types == NULL)
    {
        int i;
        ephy_tb_item_known_types = g_hash_table_new (g_str_hash, g_str_equal);

        for (i = 0; ephy_tb_item_default_types[i].type_name; ++i)
        {
            ephy_toolbar_item_register_type (ephy_tb_item_default_types[i].type_name,
                             ephy_tb_item_default_types[i].constructor);
        }
    }
}

EphyTbItem *
ephy_toolbar_item_create_from_string (const gchar *str)
{
    EphyTbItem *ret = NULL;
    gchar *type;
    gchar *props;
    gchar *id;
    const gchar *rest;
    const gchar *lpar;
    const gchar *rpar;
    const gchar *eq;
    EphyTbItemConstructor constructor;

    ephy_tb_item_factory_init ();

    rest = str;

    eq = strchr (rest, '=');
    if (eq)
    {
        id = g_strndup (rest, eq - rest);
        rest = eq + 1;
    }
    else
    {
        id = NULL;
    }

    lpar = strchr (rest, '(');
    if (lpar)
    {
        type = g_strndup (rest, lpar - rest);
        rest = lpar + 1;

        rpar = strchr (rest, ')');
        if (rpar)
        {
            props = g_strndup (rest, rpar - rest);
            rest = rpar + 1;
        }
        else
        {
            props = g_strdup (rest);
        }
    }
    else
    {
        type = g_strdup (rest);
        props = NULL;
    }

    DEBUG_MSG (("ephy_toolbar_item_create_from_string id=%s type=%s props=%s\n", id, type, props));

    constructor = g_hash_table_lookup (ephy_tb_item_known_types, type);

    if (constructor)
    {
        ret = constructor ();
        if (id)
        {
            ephy_tb_item_set_id (ret, id);
        }
        if (props)
        {
            ephy_tb_item_parse_properties (ret, props);
        }
    }

    if (!ret)
    {
        g_warning ("Error creating toolbar item of type %s", type);
    }

    if (id)
    {
        g_free (id);
    }
    if (type)
    {
        g_free (type);
    }
    if (props)
    {
        g_free (props);
    }

    return ret;
}

void
ephy_toolbar_item_register_type (const gchar *type, EphyTbItemConstructor constructor)
{
    ephy_tb_item_factory_init ();
    g_hash_table_insert (ephy_tb_item_known_types, g_strdup (type), constructor);
}