/*
 * Purple - Internet Messaging Library
 * Copyright (C) Pidgin Developers <devel@pidgin.im>
 *
 * 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, see <https://www.gnu.org/licenses/>.
 */

#if !defined(PURPLE_GLOBAL_HEADER_INSIDE) && !defined(PURPLE_COMPILATION)
# error "only <purple.h> may be included directly"
#endif

#ifndef PURPLE_PROTOCOL_ACTIONS_H
#define PURPLE_PROTOCOL_ACTIONS_H

#include <glib.h>
#include <glib-object.h>

#include <libpurple/connection.h>
#include <libpurple/purpleprotocol.h>

#define PURPLE_TYPE_PROTOCOL_ACTIONS (purple_protocol_actions_get_type())
G_DECLARE_INTERFACE(PurpleProtocolActions, purple_protocol_actions, PURPLE,
                    PROTOCOL_ACTIONS, PurpleProtocol)

/**
 * PurpleProtocolActions:
 *
 * The #PurpleProtocolActions interface defines the behavior of a protocol's
 * actions interface.
 *
 * Since: 3.0.0
 */

/**
 * PurpleProtocolActionsInterface:
 * @get_prefix: The prefix used for the actions in the group. If this isn't
 *              implemented, the id of the protocol will be used instead.
 * @get_action_group: Returns the actions the protocol can perform. If actions
 *                    depend on connectivity, connect to the relevant signals
 *                    on the @connection and signal the action has changed with
 *                    [iface@GLib.ActionGroup] signals.
 * @get_menu: Get the menu used to display protocol actions. In Pidgin, these
 *            will show up in the Accounts menu, under a submenu with the name
 *            of the account.
 *
 * The protocol actions interface.
 *
 * This interface provides a gateway between purple and the protocol.
 *
 * Since: 3.0.0
 */
struct _PurpleProtocolActionsInterface {
	/*< private >*/
	GTypeInterface parent;

	/*< public >*/
	const gchar *(*get_prefix)(PurpleProtocolActions *actions);

	GActionGroup *(*get_action_group)(PurpleProtocolActions *actions, PurpleConnection *connection);

	GMenu *(*get_menu)(PurpleProtocolActions *actions, PurpleConnection *connection);

	/*< private >*/
	gpointer reserved[4];
};

G_BEGIN_DECLS

/**
 * purple_protocol_actions_get_prefix:
 * @actions: The PurpleProtocolActions instance.
 *
 * The prefix that should be used when inserting the action group into widgets.
 *
 * Returns: Gets the prefix for the name of the actions in @actions.
 *
 * Since: 3.0.0
 */
const gchar *purple_protocol_actions_get_prefix(PurpleProtocolActions *actions);

/**
 * purple_protocol_actions_get_action_group:
 * @actions: The PurpleProtocolActions instance.
 * @connection: The [class@Connection] instance.
 *
 * Gets a group of actions for @connection.
 *
 * Returns: (transfer full): The group of actions for @connection.
 *
 * Since: 3.0.0
 */
GActionGroup *purple_protocol_actions_get_action_group(PurpleProtocolActions *actions, PurpleConnection *connection);

/**
 * purple_protocol_actions_get_menu:
 * @actions: The [iface@ProtocolActions] instance.
 * @connection: (nullable): The [class@Connection] instance.
 *
 * Gets the menu used to display the protocol actions for @connection.
 *
 * Returns: (transfer full): The menu to display or %NULL.
 *
 * Since: 3.0.0
 */
GMenu *purple_protocol_actions_get_menu(PurpleProtocolActions *actions, PurpleConnection *connection);

/**
 * purple_protocol_actions_changed:
 * @actions: The instance.
 * @account: The [class@Account] whose actions changed.
 *
 * Emits the [signal@ProtocolActions::actions-changed] signal. This is meant to
 * be called by [iface@ProtocolActions] implementations when actions have
 * changed.
 *
 * Since: 3.0.0
 */
void purple_protocol_actions_changed(PurpleProtocolActions *actions, PurpleAccount *account);

G_END_DECLS

#endif /* PURPLE_PROTOCOL_ACTIONS_H */