/*
 * Clutter.
 *
 * An OpenGL based 'interactive canvas' library.
 *
 * Authored By Matthew Allum  <mallum@openedhand.com>
 *
 * Copyright (C) 2006 OpenedHand
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 *
 */

#pragma once

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

#include "clutter/clutter-color.h"
#include "clutter/clutter-types.h"
#include "clutter/clutter-script.h"

G_BEGIN_DECLS

#define CLUTTER_TYPE_SCRIPT_PARSER      (_clutter_script_parser_get_type ())
#define CLUTTER_SCRIPT_PARSER(obj)      (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_SCRIPT_PARSER, ClutterScriptParser))
#define CLUTTER_IS_SCRIPT_PARSER(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_SCRIPT_PARSER))

typedef struct _ClutterScriptParser     ClutterScriptParser;
typedef struct _JsonParserClass         ClutterScriptParserClass;

struct _ClutterScriptParser
{
  JsonParser parent_instance;

  /* back reference */
  ClutterScript *script;
};

typedef GType (* GTypeGetFunc) (void);

typedef struct {
  gchar *id;
  gchar *class_name;
  gchar *type_func;

  GList *properties;
  GList *children;
  GList *signals;

  GType gtype;
  GObject *object;

  guint merge_id;

  guint is_actor         : 1;
  guint is_stage         : 1;
  guint is_stage_default : 1;
  guint has_unresolved   : 1;
  guint is_unmerged      : 1;
} ObjectInfo;

void object_info_free (gpointer data);

typedef struct {
  gchar *name;
  JsonNode *node;
  GParamSpec *pspec;

  guint is_child : 1;
  guint is_layout : 1;
} PropertyInfo;

typedef struct {
  gchar *name;
  gchar *handler;
  gchar *object;
  gchar *state;
  gchar *target;

  GConnectFlags flags;

  guint is_handler : 1;
  guint warp_to    : 1;
} SignalInfo;

void property_info_free (gpointer data);

GType _clutter_script_parser_get_type (void) G_GNUC_CONST;

gboolean _clutter_script_parse_node        (ClutterScript *script,
                                            GValue        *value,
                                            const gchar   *name,
                                            JsonNode      *node,
                                            GParamSpec    *pspec);

GType    _clutter_script_get_type_from_symbol (const gchar *symbol);
GType    _clutter_script_get_type_from_class  (const gchar *name);

gboolean _clutter_script_enum_from_string  (GType          gtype,
                                            const gchar   *string,
                                            gint          *enum_value);
gboolean _clutter_script_flags_from_string (GType          gtype,
                                            const gchar   *string,
                                            gint          *flags_value);

gboolean _clutter_script_parse_knot        (ClutterScript   *script,
                                            JsonNode        *node,
                                            ClutterKnot     *knot);
gboolean _clutter_script_parse_rect        (ClutterScript   *script,
                                            JsonNode        *node,
                                            graphene_rect_t *rect);
gboolean _clutter_script_parse_color       (ClutterScript   *script,
                                            JsonNode        *node,
                                            ClutterColor    *color);
gboolean _clutter_script_parse_point       (ClutterScript    *script,
                                            JsonNode         *node,
                                            graphene_point_t *point);
gboolean _clutter_script_parse_size        (ClutterScript   *script,
                                            JsonNode        *node,
                                            graphene_size_t *size);

gboolean _clutter_script_parse_translatable_string (ClutterScript *script,
                                                    JsonNode      *node,
                                                    char         **str);

void _clutter_script_construct_object (ClutterScript *script,
                                       ObjectInfo    *oinfo);
void _clutter_script_apply_properties (ClutterScript *script,
                                       ObjectInfo    *oinfo);

gchar *_clutter_script_generate_fake_id (ClutterScript *script);

void _clutter_script_warn_missing_attribute (ClutterScript *script,
                                             const gchar   *id,
                                             const gchar   *attribute);

void _clutter_script_warn_invalid_value (ClutterScript *script,
                                         const gchar   *attribute,
                                         const gchar   *expected,
                                         JsonNode      *node);

ObjectInfo *_clutter_script_get_object_info (ClutterScript *script,
                                             const gchar   *script_id);

guint _clutter_script_get_last_merge_id (ClutterScript *script);

void _clutter_script_add_object_info (ClutterScript *script,
                                      ObjectInfo    *oinfo);

const gchar *_clutter_script_get_id_from_node (JsonNode *node);

G_END_DECLS