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/* purple
 *
 * Purple is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * 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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 */
#include "internal.h"

#include "prefs.h"
#include "purpleaccountoption.h"
#include "purplekeyvaluepair.h"

/*
 * An option for an account.
 *
 * This is set by protocols, and appears in the account settings
 * dialogs.
 */
struct _PurpleAccountOption
{
	PurplePrefType type;    /* The type of value.                     */

	gchar *text;            /* The text that will appear to the user. */
	gchar *pref_name;       /* The name of the associated preference. */

	union
	{
		gboolean boolean;   /* The default boolean value.             */
		gint integer;       /* The default integer value.             */
		gchar *string;      /* The default string value.              */
		GList *list;        /* The default list value.                */

	} default_value;

	union
	{
		struct
		{
			gboolean masked; /* Whether the value entered should
			                  *   be obscured from view (for
			                  *   passwords and similar options)
			                  */
			GSList *hints;    /* List of hinted values */
		} string;
	} params;
};

G_DEFINE_BOXED_TYPE(
	PurpleAccountOption,
	purple_account_option,
	purple_account_option_copy,
	purple_account_option_destroy
);

PurpleAccountOption *
purple_account_option_new(PurplePrefType type, const char *text,
						const char *pref_name)
{
	PurpleAccountOption *option;

	g_return_val_if_fail(type      != PURPLE_PREF_NONE, NULL);
	g_return_val_if_fail(text      != NULL,           NULL);
	g_return_val_if_fail(pref_name != NULL,           NULL);

	option = g_new0(PurpleAccountOption, 1);

	option->type      = type;
	option->text      = g_strdup(text);
	option->pref_name = g_strdup(pref_name);

	return option;
}

PurpleAccountOption *
purple_account_option_copy(PurpleAccountOption *option) {
	PurpleAccountOption *opt = NULL;

	g_return_val_if_fail(option, NULL);

	opt = g_new0(PurpleAccountOption, 1);
	*opt = *option;

	opt->text = g_strdup(option->text);
	opt->pref_name = g_strdup(option->pref_name);

	if(opt->type == PURPLE_PREF_STRING) {
		opt->default_value.string = g_strdup(option->default_value.string);
		opt->params.string.hints = g_slist_copy(option->params.string.hints);
	}

	return opt;
}

PurpleAccountOption *
purple_account_option_bool_new(const char *text, const char *pref_name,
							 gboolean default_value)
{
	PurpleAccountOption *option;

	option = purple_account_option_new(PURPLE_PREF_BOOLEAN, text, pref_name);

	if (option == NULL)
		return NULL;

	option->default_value.boolean = default_value;

	return option;
}

PurpleAccountOption *
purple_account_option_int_new(const char *text, const char *pref_name,
							int default_value)
{
	PurpleAccountOption *option;

	option = purple_account_option_new(PURPLE_PREF_INT, text, pref_name);

	if (option == NULL)
		return NULL;

	option->default_value.integer = default_value;

	return option;
}

PurpleAccountOption *
purple_account_option_string_new(const char *text, const char *pref_name,
							   const char *default_value)
{
	PurpleAccountOption *option;

	option = purple_account_option_new(PURPLE_PREF_STRING, text, pref_name);

	if (option == NULL)
		return NULL;

	option->default_value.string = g_strdup(default_value);

	return option;
}

PurpleAccountOption *
purple_account_option_list_new(const char *text, const char *pref_name,
							 GList *list)
{
	PurpleAccountOption *option;

	option = purple_account_option_new(PURPLE_PREF_STRING_LIST, text, pref_name);

	if (option == NULL)
		return NULL;

	option->default_value.list = list;

	return option;
}

void
purple_account_option_destroy(PurpleAccountOption *option)
{
	g_return_if_fail(option != NULL);

	g_free(option->text);
	g_free(option->pref_name);

	if (option->type == PURPLE_PREF_STRING)
	{
		g_free(option->default_value.string);
		g_slist_free_full(option->params.string.hints, &g_free);
	}
	else if (option->type == PURPLE_PREF_STRING_LIST)
	{
		g_list_free_full(option->default_value.list,
				 (GDestroyNotify)purple_key_value_pair_free);
	}

	g_free(option);
}

void
purple_account_option_set_default_bool(PurpleAccountOption *option,
									 gboolean value)
{
	g_return_if_fail(option != NULL);
	g_return_if_fail(option->type == PURPLE_PREF_BOOLEAN);

	option->default_value.boolean = value;
}

void
purple_account_option_set_default_int(PurpleAccountOption *option, int value)
{
	g_return_if_fail(option != NULL);
	g_return_if_fail(option->type == PURPLE_PREF_INT);

	option->default_value.integer = value;
}

void
purple_account_option_set_default_string(PurpleAccountOption *option,
									   const char *value)
{
	g_return_if_fail(option != NULL);
	g_return_if_fail(option->type == PURPLE_PREF_STRING);

	g_free(option->default_value.string);
	option->default_value.string = g_strdup(value);
}

void
purple_account_option_string_set_masked(PurpleAccountOption *option, gboolean masked)
{
	g_return_if_fail(option != NULL);
	g_return_if_fail(option->type == PURPLE_PREF_STRING);

	option->params.string.masked = masked;
}

void
purple_account_option_string_set_hints(PurpleAccountOption *option, GSList *hints)
{
	g_return_if_fail(option != NULL);
	g_return_if_fail(option->type == PURPLE_PREF_STRING);

	g_slist_free_full(option->params.string.hints, &g_free);
	option->params.string.hints = hints;
}

void
purple_account_option_set_list(PurpleAccountOption *option, GList *values)
{
	g_return_if_fail(option != NULL);
	g_return_if_fail(option->type == PURPLE_PREF_STRING_LIST);

	g_list_free_full(option->default_value.list,
			 (GDestroyNotify)purple_key_value_pair_free);

	option->default_value.list = values;
}

void
purple_account_option_add_list_item(PurpleAccountOption *option,
								  const char *key, const char *value)
{
	PurpleKeyValuePair *kvp;

	g_return_if_fail(option != NULL);
	g_return_if_fail(key    != NULL);
	g_return_if_fail(value  != NULL);
	g_return_if_fail(option->type == PURPLE_PREF_STRING_LIST);

	kvp = purple_key_value_pair_new_full(key, g_strdup(value), g_free);

	option->default_value.list = g_list_append(option->default_value.list,
											   kvp);
}

PurplePrefType
purple_account_option_get_pref_type(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, PURPLE_PREF_NONE);

	return option->type;
}

const char *
purple_account_option_get_text(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, NULL);

	return option->text;
}

const char *
purple_account_option_get_setting(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, NULL);

	return option->pref_name;
}

gboolean
purple_account_option_get_default_bool(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, FALSE);
	g_return_val_if_fail(option->type == PURPLE_PREF_BOOLEAN, FALSE);

	return option->default_value.boolean;
}

int
purple_account_option_get_default_int(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, -1);
	g_return_val_if_fail(option->type == PURPLE_PREF_INT, -1);

	return option->default_value.integer;
}

const char *
purple_account_option_get_default_string(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, NULL);
	g_return_val_if_fail(option->type == PURPLE_PREF_STRING, NULL);

	return option->default_value.string;
}

const char *
purple_account_option_get_default_list_value(const PurpleAccountOption *option)
{
	PurpleKeyValuePair *kvp;

	g_return_val_if_fail(option != NULL, NULL);
	g_return_val_if_fail(option->type == PURPLE_PREF_STRING_LIST, NULL);

	if (option->default_value.list == NULL)
		return NULL;

	kvp = option->default_value.list->data;

	return (kvp ? kvp->value : NULL);
}

gboolean
purple_account_option_string_get_masked(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, FALSE);
	g_return_val_if_fail(option->type == PURPLE_PREF_STRING, FALSE);

	return option->params.string.masked;
}

const GSList *
purple_account_option_string_get_hints(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, NULL);
	g_return_val_if_fail(option->type == PURPLE_PREF_STRING, NULL);

	return option->params.string.hints;
}

GList *
purple_account_option_get_list(const PurpleAccountOption *option)
{
	g_return_val_if_fail(option != NULL, NULL);
	g_return_val_if_fail(option->type == PURPLE_PREF_STRING_LIST, NULL);

	return option->default_value.list;
}