/* GTK - The GIMP Toolkit

 * gtkprintbackend.h: Abstract printer backend interfaces

 * Copyright (C) 2006, Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#include "config.h"

#include <string.h>

#include <glib.h>

#include <gmodule.h>

#include "gtkprinteroptionset.h"

#include "gtkalias.h"

/*****************************************

 *         GtkPrinterOptionSet    *

 *****************************************/

enum {

  CHANGED,

  LAST_SIGNAL

};

static guint signals[LAST_SIGNAL] = { 0 };

/* ugly side-effect of aliasing */

#undef gtk_printer_option_set

G_DEFINE_TYPE (GtkPrinterOptionSet, gtk_printer_option_set, G_TYPE_OBJECT)

static void

gtk_printer_option_set_finalize (GObject *object)

{

  GtkPrinterOptionSet *set = GTK_PRINTER_OPTION_SET (object);

  g_hash_table_destroy (set->hash);

  g_ptr_array_foreach (set->array, (GFunc)g_object_unref, NULL);

  g_ptr_array_free (set->array, TRUE);

  G_OBJECT_CLASS (gtk_printer_option_set_parent_class)->finalize (object);

}

static void

gtk_printer_option_set_init (GtkPrinterOptionSet *set)

{

  set->array = g_ptr_array_new ();

  set->hash = g_hash_table_new (g_str_hash, g_str_equal);

}

static void

gtk_printer_option_set_class_init (GtkPrinterOptionSetClass *class)

{

  GObjectClass *gobject_class = (GObjectClass *)class;

  gobject_class->finalize = gtk_printer_option_set_finalize;

  signals[CHANGED] =

    g_signal_new ("changed",

		  G_TYPE_FROM_CLASS (gobject_class),

		  G_SIGNAL_RUN_LAST,

		  G_STRUCT_OFFSET (GtkPrinterOptionSetClass, changed),

		  NULL, NULL,

		  g_cclosure_marshal_VOID__VOID,

		  G_TYPE_NONE, 0);

}

static void

emit_changed (GtkPrinterOptionSet *set)

{

  g_signal_emit (set, signals[CHANGED], 0);

}

GtkPrinterOptionSet *

gtk_printer_option_set_new (void)

{

  return g_object_new (GTK_TYPE_PRINTER_OPTION_SET, NULL);

}

void

gtk_printer_option_set_remove (GtkPrinterOptionSet *set,

			       GtkPrinterOption    *option)

{

  int i;

  for (i = 0; i < set->array->len; i++)

    {

      if (g_ptr_array_index (set->array, i) == option)

	{

	  g_ptr_array_remove_index (set->array, i);

	  g_hash_table_remove (set->hash, option->name);

	  g_signal_handlers_disconnect_by_func (option, emit_changed, set);

	  g_object_unref (option);

	  break;

	}

    }

}

void

gtk_printer_option_set_add (GtkPrinterOptionSet *set,

			    GtkPrinterOption    *option)

{

  g_object_ref (option);

  if (gtk_printer_option_set_lookup (set, option->name))

    gtk_printer_option_set_remove (set, option);

  g_ptr_array_add (set->array, option);

  g_hash_table_insert (set->hash, option->name, option);

  g_signal_connect_object (option, "changed", G_CALLBACK (emit_changed), set, G_CONNECT_SWAPPED);

}

GtkPrinterOption *

gtk_printer_option_set_lookup (GtkPrinterOptionSet *set,

			       const char          *name)

{

  gpointer ptr;

  ptr = g_hash_table_lookup (set->hash, name);

  return GTK_PRINTER_OPTION (ptr);

}

void

gtk_printer_option_set_clear_conflicts (GtkPrinterOptionSet *set)

{

  gtk_printer_option_set_foreach (set,

				  (GtkPrinterOptionSetFunc)gtk_printer_option_clear_has_conflict,

				  NULL);

}

/**

 * gtk_printer_option_set_get_groups:

 *

 * Return value: (element-type utf8) (transfer full):

 */

GList *

gtk_printer_option_set_get_groups (GtkPrinterOptionSet *set)

{

  GtkPrinterOption *option;

  GList *list = NULL;

  int i;

  for (i = 0; i < set->array->len; i++)

    {

      option = g_ptr_array_index (set->array, i);

      if (g_list_find_custom (list, option->group, (GCompareFunc)g_strcmp0) == NULL)

	list = g_list_prepend (list, g_strdup (option->group));

    }

  return g_list_reverse (list);

}

void

gtk_printer_option_set_foreach_in_group (GtkPrinterOptionSet     *set,

					 const char              *group,

					 GtkPrinterOptionSetFunc  func,

					 gpointer                 user_data)

{

  GtkPrinterOption *option;

  int i;

  for (i = 0; i < set->array->len; i++)

    {

      option = g_ptr_array_index (set->array, i);

      if (group == NULL || g_strcmp0 (group, option->group) == 0)

	func (option, user_data);

    }

}

void

gtk_printer_option_set_foreach (GtkPrinterOptionSet *set,

				GtkPrinterOptionSetFunc func,

				gpointer user_data)

{

  gtk_printer_option_set_foreach_in_group (set, NULL, func, user_data);

}

#define __GTK_PRINTER_OPTION_SET_C__

#include "gtkaliasdef.c"