path: root/src/ephy-toolbars-model.c

/*
 *  Copyright (C) 2002 Marco Pesenti Gritti
 *
 *  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.
 */

#include "ephy-toolbars-model.h"
#include "ephy-dnd.h"
#include "ephy-new-bookmark.h"
#include "ephy-shell.h"
#include "ephy-debug.h"

#include <string.h>

static void ephy_toolbars_model_class_init (EphyToolbarsModelClass *klass);
static void ephy_toolbars_model_init       (EphyToolbarsModel *t);
static void ephy_toolbars_model_finalize   (GObject *object);

enum
{
  ACTION_ADDED,
  LAST_SIGNAL
};

static GObjectClass *parent_class = NULL;

struct EphyToolbarsModelPrivate
{
    gpointer dummy;
};

GType
ephy_toolbars_model_get_type (void)
{
    static GType ephy_toolbars_model_type = 0;

    if (ephy_toolbars_model_type == 0)
    {
        static const GTypeInfo our_info = {
        sizeof (EphyToolbarsModelClass),
        NULL,           /* base_init */
        NULL,           /* base_finalize */
        (GClassInitFunc) ephy_toolbars_model_class_init,
        NULL,
        NULL,           /* class_data */
        sizeof (EphyToolbarsModel),
        0,          /* n_preallocs */
        (GInstanceInitFunc) ephy_toolbars_model_init
    };

    ephy_toolbars_model_type = g_type_register_static (EGG_TOOLBARS_MODEL_TYPE,
                               "EphyToolbarsModel",
                               &our_info, 0);
    }

    return ephy_toolbars_model_type;
}

static const char *
impl_add_item (EggToolbarsModel *t,
           int toolbar_position,
           int position,
           GdkAtom type,
           const char *name)
{
    EphyBookmarks *bookmarks;
    char *action_name = NULL;
    const char *res;
    gboolean topic = FALSE, normal_item = FALSE;
    int id = -1;

    LOG ("Add item %s", name)

    bookmarks = ephy_shell_get_bookmarks (ephy_shell);

    if (gdk_atom_intern (EPHY_DND_TOPIC_TYPE, FALSE) == type)
    {
        GList *nodes;

        topic = TRUE;
        nodes = ephy_dnd_node_list_extract_nodes (name);
        id = ephy_node_get_id (nodes->data);
        action_name = g_strdup_printf ("GoTopicId%d", id);
        g_list_free (nodes);
    }
    else if (gdk_atom_intern (EPHY_DND_BOOKMARK_TYPE, FALSE) == type)
    {
        GList *nodes;

        nodes = ephy_dnd_node_list_extract_nodes (name);
        id = ephy_node_get_id (nodes->data);
        action_name = g_strdup_printf ("GoBookmarkId%d", id);
        g_list_free (nodes);
    }
    else
    {
        normal_item = TRUE;
    }

    res = action_name ? action_name : name;

    if (normal_item ||
        !ephy_toolbars_model_has_bookmark (EPHY_TOOLBARS_MODEL (t), topic, id))
    {
        EGG_TOOLBARS_MODEL_CLASS (parent_class)->add_item
            (t, toolbar_position, position, type, res);
    }

    return res;
}

static void
ephy_toolbars_model_class_init (EphyToolbarsModelClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    EggToolbarsModelClass *etm_class;

    etm_class = EGG_TOOLBARS_MODEL_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class->finalize = ephy_toolbars_model_finalize;

    etm_class->add_item = impl_add_item;
}

static void
ephy_toolbars_model_init (EphyToolbarsModel *t)
{
    t->priv = g_new0 (EphyToolbarsModelPrivate, 1);
}

static void
ephy_toolbars_model_finalize (GObject *object)
{
    EphyToolbarsModel *t = EPHY_TOOLBARS_MODEL (object);

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

    g_free (t->priv);

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

EphyToolbarsModel *
ephy_toolbars_model_new (void)
{
    EphyToolbarsModel *t;

    t = EPHY_TOOLBARS_MODEL (g_object_new (EPHY_TOOLBARS_MODEL_TYPE, NULL));

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

    return t;
}

static int
get_item_pos (EphyToolbarsModel *model,
          int toolbar_pos,
          const char *name)
{
    int i, n_items;

    n_items = egg_toolbars_model_n_items
        (EGG_TOOLBARS_MODEL (model), toolbar_pos);

    for (i = 0; i < n_items; i++)
    {
        const char *i_name;
        gboolean is_separator;

        i_name = egg_toolbars_model_item_nth
            (EGG_TOOLBARS_MODEL (model), toolbar_pos, i,
             &is_separator);
        if (!is_separator && strcmp (name, i_name) == 0)
        {
            return i;
        }
    }

    return -1;
}

static char *
get_action_name (gboolean topic, gulong id)
{
    char *action_name;

    if (topic)
    {
        action_name = g_strdup_printf ("GoTopicId%ld", id);
    }
    else
    {
        action_name = g_strdup_printf ("GoBookmarkId%ld", id);
    }

    return action_name;
}

static int
get_toolbar_pos (EphyToolbarsModel *model,
         const char *name)
{
    int i, n_toolbars;

    n_toolbars = egg_toolbars_model_n_toolbars
        (EGG_TOOLBARS_MODEL (model));

    for (i = 0; i < n_toolbars; i++)
    {
        const char *t_name;

        t_name = egg_toolbars_model_toolbar_nth
            (EGG_TOOLBARS_MODEL (model), i);
        if (strcmp (name, t_name) == 0)
        {
            return i;
        }
    }

    return -1;
}

void
ephy_toolbars_model_remove_bookmark (EphyToolbarsModel *model,
                     gboolean topic,
                     gulong id)
{
    char *action_name;
    int toolbar_position, position;

    action_name = get_action_name (topic, id);

    toolbar_position = get_toolbar_pos (model, "BookmarksBar");
    g_return_if_fail (toolbar_position != -1);

    position = get_item_pos (model, toolbar_position, action_name);

    egg_toolbars_model_remove_item (EGG_TOOLBARS_MODEL (model),
                        toolbar_position, position);

    g_free (action_name);
}

void
ephy_toolbars_model_add_bookmark (EphyToolbarsModel *model,
                  gboolean topic,
                  gulong id)
{
    char *action_name;
    int toolbar_position;

    action_name = get_action_name (topic, id);

    toolbar_position = get_toolbar_pos (model, "BookmarksBar");
    g_return_if_fail (toolbar_position != -1);

    egg_toolbars_model_add_item (EGG_TOOLBARS_MODEL (model),
                     toolbar_position, -1,
                     0, action_name);

    g_free (action_name);
}

gboolean
ephy_toolbars_model_has_bookmark (EphyToolbarsModel *model,
                  gboolean topic,
                  gulong id)
{
    char *action_name;
    int toolbar_position, position;

    action_name = get_action_name (topic, id);

    toolbar_position = get_toolbar_pos (model, "BookmarksBar");
    g_return_val_if_fail (toolbar_position != -1, FALSE);
    position = get_item_pos (model, toolbar_position, action_name);

    g_free (action_name);

    return (position != -1);
}