/*
 *  Copyright © 2005 Peter Harvey
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include "ephy-topic-action-group.h"
#include "ephy-topic-action.h"
#include "ephy-node.h"
#include "ephy-node-common.h"
#include "ephy-bookmarks.h"
#include "ephy-bookmarks-ui.h"
#include "ephy-debug.h"

#include <gtk/gtk.h>

static void
node_changed_cb (EphyNode       *parent,
                 EphyNode       *child,
                 guint           property_id,
                 GtkActionGroup *action_group)
{
  GtkAction *action;
  char name[EPHY_TOPIC_ACTION_NAME_BUFFER_SIZE];

  EPHY_TOPIC_ACTION_NAME_PRINTF (name, child);

  action = gtk_action_group_get_action (action_group, name);

  if (property_id == EPHY_NODE_KEYWORD_PROP_NAME) {
    ephy_topic_action_updated (EPHY_TOPIC_ACTION (action));
  }
}

static void
node_added_cb (EphyNode       *parent,
               EphyNode       *child,
               GtkActionGroup *action_group)
{
  GtkUIManager *manager;
  GtkAction *action;
  char name[EPHY_TOPIC_ACTION_NAME_BUFFER_SIZE];
  char accel[256];

  EPHY_TOPIC_ACTION_NAME_PRINTF (name, child);

  manager = g_object_get_data ((GObject *)action_group, "ui-manager");

  action = ephy_topic_action_new (child, manager, name);

  g_snprintf (accel, sizeof (accel), "<Actions>/%s/%s",
              gtk_action_group_get_name (action_group),
              name);
  gtk_action_set_accel_path (action, accel);

  gtk_action_group_add_action (action_group, action);
  g_object_unref (action);

  ephy_topic_action_updated ((EphyTopicAction *)action);
}

static void
node_removed_cb (EphyNode *parent,
                 EphyNode *child, guint index,
                 GtkActionGroup *action_group)
{
  GtkAction *action;
  char name[EPHY_TOPIC_ACTION_NAME_BUFFER_SIZE];

  EPHY_TOPIC_ACTION_NAME_PRINTF (name, child);

  action = gtk_action_group_get_action (action_group, name);

  if (action) {
    gtk_action_group_remove_action (action_group, action);
  }
}

GtkActionGroup *
ephy_topic_action_group_new (EphyNode     *node,
                             GtkUIManager *manager)
{
  GPtrArray *children;
  GtkActionGroup *action_group;
  guint i;

  children = ephy_node_get_children (node);
  action_group = gtk_action_group_new ("TpAc");

  g_object_set_data ((GObject *)action_group, "ui-manager", manager);

  for (i = 0; i < children->len; i++) {
    node_added_cb (node, g_ptr_array_index (children, i),
                   action_group);
  }

  ephy_node_signal_connect_object (node, EPHY_NODE_CHILD_ADDED,
                                   (EphyNodeCallback)node_added_cb,
                                   (GObject *)action_group);
  ephy_node_signal_connect_object (node, EPHY_NODE_CHILD_REMOVED,
                                   (EphyNodeCallback)node_removed_cb,
                                   (GObject *)action_group);
  ephy_node_signal_connect_object (node, EPHY_NODE_CHILD_CHANGED,
                                   (EphyNodeCallback)node_changed_cb,
                                   (GObject *)action_group);

  return (GtkActionGroup *)action_group;
}
