/*
 * peas-plugin-loader.h
 * This file is part of libpeas
 *
 * Copyright (C) 2008 - Jesse van den Kieboom
 *
 * libpeas 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.
 *
 * libpeas 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.
 */

#ifndef __PEAS_PLUGIN_LOADER_H__
#define __PEAS_PLUGIN_LOADER_H__

#include <glib-object.h>
#include <gmodule.h>
#include "peas-plugin-info.h"
#include "peas-extension.h"

G_BEGIN_DECLS

#define PEAS_TYPE_PLUGIN_LOADER                (peas_plugin_loader_get_type ())
#define PEAS_PLUGIN_LOADER(obj)                (G_TYPE_CHECK_INSTANCE_CAST ((obj), PEAS_TYPE_PLUGIN_LOADER, PeasPluginLoader))
#define PEAS_PLUGIN_LOADER_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST((klass), PEAS_TYPE_PLUGIN_LOADER, PeasPluginLoaderClass))
#define PEAS_IS_PLUGIN_LOADER(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PEAS_TYPE_PLUGIN_LOADER))
#define PEAS_IS_PLUGIN_LOADER_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE ((klass), PEAS_TYPE_PLUGIN_LOADER))
#define PEAS_PLUGIN_LOADER_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS ((obj), PEAS_TYPE_PLUGIN_LOADER, PeasPluginLoaderClass))

typedef struct _PeasPluginLoader      PeasPluginLoader;
typedef struct _PeasPluginLoaderClass PeasPluginLoaderClass;

struct _PeasPluginLoader {
  GObject parent;
};

struct _PeasPluginLoaderClass {
  GObjectClass parent;

  gboolean       (*initialize)            (PeasPluginLoader *loader);
  gboolean       (*is_global)             (PeasPluginLoader *loader);

  gboolean       (*load)                  (PeasPluginLoader *loader,
                                           PeasPluginInfo   *info);
  void           (*unload)                (PeasPluginLoader *loader,
                                           PeasPluginInfo   *info);
  gboolean       (*provides_extension)    (PeasPluginLoader *loader,
                                           PeasPluginInfo   *info,
                                           GType             ext_type);
  PeasExtension *(*create_extension)      (PeasPluginLoader *loader,
                                           PeasPluginInfo   *info,
                                           GType             ext_type,
                                           guint             n_parameters,
                                           GParameter       *parameters);

  void           (*garbage_collect)       (PeasPluginLoader *loader);
};

GType         peas_plugin_loader_get_type             (void)  G_GNUC_CONST;

gboolean      peas_plugin_loader_initialize           (PeasPluginLoader *loader);
gboolean      peas_plugin_loader_is_global            (PeasPluginLoader *loader);

gboolean      peas_plugin_loader_load                 (PeasPluginLoader *loader,
                                                       PeasPluginInfo   *info);
void          peas_plugin_loader_unload               (PeasPluginLoader *loader,
                                                       PeasPluginInfo   *info);

gboolean      peas_plugin_loader_provides_extension   (PeasPluginLoader *loader,
                                                       PeasPluginInfo   *info,
                                                       GType             ext_type);
PeasExtension *peas_plugin_loader_create_extension    (PeasPluginLoader *loader,
                                                       PeasPluginInfo   *info,
                                                       GType             ext_type,
                                                       guint             n_parameters,
                                                       GParameter       *parameters);
void          peas_plugin_loader_garbage_collect      (PeasPluginLoader *loader);

G_END_DECLS

#endif /* __PEAS_PLUGIN_LOADER_H__ */