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/* Eye Of Mate - EOM Module
*
* Copyright (C) 2007 The Free Software Foundation
*
* Author: Lucas Rocha <lucasr@gnome.org>
*
* Based on gedit code (gedit/gedit-module.c) by:
* - Paolo Maggi <paolo@gnome.org>
* - Marco Pesenti Gritti <marco@gnome.org>
* - Christian Persch <chpe@gnome.org>
*
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "eom-module.h"
#include "eom-debug.h"
#include <gmodule.h>
#define EOM_MODULE_GET_PRIVATE(object) \
(G_TYPE_INSTANCE_GET_PRIVATE ((object), EOM_TYPE_MODULE, EomModulePrivate))
G_DEFINE_TYPE (EomModule, eom_module, G_TYPE_TYPE_MODULE);
typedef GType (*EomModuleRegisterFunc) (GTypeModule *);
static gboolean
eom_module_load (GTypeModule *gmodule)
{
EomModule *module = EOM_MODULE (gmodule);
EomModuleRegisterFunc register_func;
eom_debug_message (DEBUG_PLUGINS, "Loading %s", module->path);
module->library = g_module_open (module->path, 0);
if (module->library == NULL) {
g_warning ("%s", g_module_error());
return FALSE;
}
/* Extract symbols from the lib */
if (!g_module_symbol (module->library,
"register_eom_plugin",
(void *) ®ister_func)) {
g_warning ("%s", g_module_error());
g_module_close (module->library);
return FALSE;
}
/* Symbol can still be NULL even though g_module_symbol
* returned TRUE */
if (register_func == NULL) {
g_warning ("Symbol 'register_eom_plugin' should not be NULL");
g_module_close (module->library);
return FALSE;
}
module->type = register_func (gmodule);
if (module->type == 0) {
g_warning ("Invalid eom plugin contained by module %s", module->path);
return FALSE;
}
return TRUE;
}
static void
eom_module_unload (GTypeModule *gmodule)
{
EomModule *module = EOM_MODULE (gmodule);
eom_debug_message (DEBUG_PLUGINS, "Unloading %s", module->path);
g_module_close (module->library);
module->library = NULL;
module->type = 0;
}
const gchar *
eom_module_get_path (EomModule *module)
{
g_return_val_if_fail (EOM_IS_MODULE (module), NULL);
return module->path;
}
GObject *
eom_module_new_object (EomModule *module)
{
eom_debug_message (DEBUG_PLUGINS, "Creating object of type %s", g_type_name (module->type));
if (module->type == 0) {
return NULL;
}
return g_object_new (module->type, NULL);
}
static void
eom_module_init (EomModule *module)
{
eom_debug_message (DEBUG_PLUGINS, "EomModule %p initialising", module);
}
static void
eom_module_finalize (GObject *object)
{
EomModule *module = EOM_MODULE (object);
eom_debug_message (DEBUG_PLUGINS, "EomModule %p finalising", module);
g_free (module->path);
G_OBJECT_CLASS (eom_module_parent_class)->finalize (object);
}
static void
eom_module_class_init (EomModuleClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GTypeModuleClass *module_class = G_TYPE_MODULE_CLASS (class);
object_class->finalize = eom_module_finalize;
module_class->load = eom_module_load;
module_class->unload = eom_module_unload;
}
EomModule *
eom_module_new (const gchar *path)
{
EomModule *module;
if (path == NULL || path[0] == '\0') {
return NULL;
}
module = g_object_new (EOM_TYPE_MODULE, NULL);
g_type_module_set_name (G_TYPE_MODULE (module), path);
module->path = g_strdup (path);
return module;
}
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