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/*
* Copyright (C) 2013 Victor Toso.
*
* Contact: Victor Toso <me@victortoso.com>
*
* 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; 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 St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef _GRL_LUA_LIBRARY_COMMON_H_
#define _GRL_LUA_LIBRARY_COMMON_H_
#include "grl-lua-library.h"
#include <glib/gi18n-lib.h>
#ifdef GOA_ENABLED
#define GOA_API_IS_SUBJECT_TO_CHANGE
#include <goa/goa.h>
#endif
#define GOA_LUA_NAME "goa_object"
typedef enum {
LUA_SEARCH,
LUA_BROWSE,
LUA_QUERY,
LUA_RESOLVE,
LUA_SOURCE_INIT,
LUA_NUM_OPERATIONS
} LuaOperationType;
/**
* OperationSpec:
* @source: The GrlLuaFactorySource of operation.
* @operation_id: The operation_id of operation that generate this structure.
* @op_type: Witch operation its being executed.
* @cb: union to user callback. The function parameters depends on operation.
* resolve is used for LUA_RESOLVE operations
* result is used for LUA_SEARCH, LUA_BROWSE and LUA_QUERY operations.
* @string: The text to search for for LUA_SEARCH operations,
* the query for LUA_QUERY operations and the media ID for
* LUA_BROWSE operations.
* @content: Save the current user media if already have one.
* @user_data: User data passed in user defined callback.
* @error_code: To set GRL_CORE_ERROR of the operation.
* @pending_ops: The number of pending async calls for this operation
* @callback_done: Whether grl.callback() was called
*
* This structure is used to save important data in the communication between
* lua-factory and lua-libraries.
*/
typedef struct _OperationSpec {
GrlSource *source;
guint operation_id;
LuaOperationType op_type;
union {
GrlSourceResultCb result;
GrlSourceResolveCb resolve;
} cb;
GrlMedia *media;
gpointer user_data;
guint error_code;
guint pending_ops;
gboolean callback_done;
} OperationSpec;
void grl_lua_library_save_operation_data (lua_State *L, OperationSpec *os);
void grl_lua_library_remove_operation_data (lua_State *L, guint operation_id);
OperationSpec *grl_lua_library_load_operation_data (lua_State *L, guint operation_id);
void grl_lua_library_set_current_operation (lua_State *L, guint operation_id);
OperationSpec * grl_lua_library_get_current_operation (lua_State *L);
void grl_lua_library_save_goa_data (lua_State *L, gpointer goa_object);
gpointer grl_lua_library_load_goa_data (lua_State *L);
void grl_lua_library_push_grl_media (lua_State *L, GrlMedia *media);
void grl_lua_library_push_grl_options (lua_State *L, guint operation_id, GrlOperationOptions *options, GList *keys);
#endif /* _GRL_LUA_LIBRARY_COMMON_H_ */
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