/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */

/* vim:set et sts=4: */

/* IBus - The Input Bus

 * Copyright (C) 2008-2013 Peng Huang <shawn.p.huang@gmail.com>

 * Copyright (C) 2008-2013 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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301

 * USA

 */

#include "ibusattrlist.h"

/* functions prototype */

static void         ibus_attr_list_destroy      (IBusAttrList           *attr_list);

static gboolean     ibus_attr_list_serialize    (IBusAttrList           *attr_list,

                                                 GVariantBuilder        *builder);

static gint         ibus_attr_list_deserialize  (IBusAttrList           *attr_list,

                                                 GVariant               *variant);

static gboolean     ibus_attr_list_copy         (IBusAttrList           *dest,

                                                 const IBusAttrList     *src);

G_DEFINE_TYPE (IBusAttrList, ibus_attr_list, IBUS_TYPE_SERIALIZABLE)

static void

ibus_attr_list_class_init (IBusAttrListClass *class)

{

    IBusObjectClass *object_class = IBUS_OBJECT_CLASS (class);

    IBusSerializableClass *serializable_class = IBUS_SERIALIZABLE_CLASS (class);

    object_class->destroy = (IBusObjectDestroyFunc) ibus_attr_list_destroy;

    serializable_class->serialize   = (IBusSerializableSerializeFunc) ibus_attr_list_serialize;

    serializable_class->deserialize = (IBusSerializableDeserializeFunc) ibus_attr_list_deserialize;

    serializable_class->copy        = (IBusSerializableCopyFunc) ibus_attr_list_copy;

}

static void

ibus_attr_list_init (IBusAttrList *attr_list)

{

    attr_list->attributes = g_array_new (TRUE, TRUE, sizeof (IBusAttribute *));

}

static void

ibus_attr_list_destroy (IBusAttrList *attr_list)

{

    g_assert (IBUS_IS_ATTR_LIST (attr_list));

    gint i;

    for (i = 0;; i++) {

        IBusAttribute *attr;

        attr = ibus_attr_list_get (attr_list, i);

        if (attr == NULL)

            break;

        g_object_unref (attr);

    }

    g_array_free (attr_list->attributes, TRUE);

    IBUS_OBJECT_CLASS (ibus_attr_list_parent_class)->destroy ((IBusObject *)attr_list);

}

static gboolean

ibus_attr_list_serialize (IBusAttrList    *attr_list,

                          GVariantBuilder *builder)

{

    gboolean retval;

    guint i;

    retval = IBUS_SERIALIZABLE_CLASS (ibus_attr_list_parent_class)->serialize ((IBusSerializable *)attr_list, builder);

    g_return_val_if_fail (retval, FALSE);

    g_return_val_if_fail (IBUS_IS_ATTR_LIST (attr_list), FALSE);

    GVariantBuilder array;

    g_variant_builder_init (&array, G_VARIANT_TYPE ("av"));

    for (i = 0;; i++) {

        IBusAttribute *attr;

        attr = ibus_attr_list_get (attr_list, i);

        if (attr == NULL)

            break;

        g_variant_builder_add (&array, "v", ibus_serializable_serialize ((IBusSerializable *)attr));

    }

    g_variant_builder_add (builder, "av", &array);

    return TRUE;

}

static gint

ibus_attr_list_deserialize (IBusAttrList    *attr_list,

                            GVariant        *variant)

{

    gint retval = IBUS_SERIALIZABLE_CLASS (ibus_attr_list_parent_class)->deserialize ((IBusSerializable *)attr_list, variant);

    g_return_val_if_fail (retval, 0);

    GVariantIter *iter = NULL;

    g_variant_get_child (variant, retval++, "av", &iter);

    GVariant *var;

    while (g_variant_iter_loop (iter, "v", &var)) {

        IBusAttribute *attr = IBUS_ATTRIBUTE (ibus_serializable_deserialize (var));

        ibus_attr_list_append (attr_list, attr);

    }

    g_variant_iter_free (iter);

    return retval;

}

static gboolean

ibus_attr_list_copy (IBusAttrList       *dest,

                     const IBusAttrList *src)

{

    gboolean retval;

    retval = IBUS_SERIALIZABLE_CLASS (ibus_attr_list_parent_class)->copy ((IBusSerializable *)dest,

                                 (IBusSerializable *)src);

    g_return_val_if_fail (retval, FALSE);

    g_return_val_if_fail (IBUS_IS_ATTR_LIST (dest), FALSE);

    g_return_val_if_fail (IBUS_IS_ATTR_LIST (src), FALSE);

    gint i;

    for (i = 0; ; i++) {

        IBusAttribute *attr = ibus_attr_list_get ((IBusAttrList *)src, i);

        if (attr == NULL) {

            break;

        }

        attr = (IBusAttribute *) ibus_serializable_copy ((IBusSerializable *) attr);

        if (attr == NULL) {

            g_warning ("can not copy attribute");

            continue;

        }

        ibus_attr_list_append (dest, attr);

    }

    return TRUE;

}

IBusAttrList *

ibus_attr_list_new ()

{

    IBusAttrList *attr_list;

    attr_list = g_object_new (IBUS_TYPE_ATTR_LIST, NULL);

    return attr_list;

}

void

ibus_attr_list_append (IBusAttrList  *attr_list,

                       IBusAttribute *attr)

{

    g_assert (IBUS_IS_ATTR_LIST (attr_list));

    g_assert (IBUS_IS_ATTRIBUTE (attr));

    g_object_ref_sink (attr);

    g_array_append_val (attr_list->attributes, attr);

}

IBusAttribute *

ibus_attr_list_get (IBusAttrList *attr_list,

                    guint         index)

{

    g_assert (IBUS_IS_ATTR_LIST (attr_list));

    IBusAttribute *attr = NULL;

    if (index < attr_list->attributes->len) {

        attr = g_array_index (attr_list->attributes, IBusAttribute *, index);

    }

    return attr;

}