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/*
* pluma-plugin-loader-c.c
* This file is part of pluma
*
* Copyright (C) 2008 - Jesse van den Kieboom
*
* 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.
*/
#include "pluma-plugin-loader-c.h"
#include <pluma/pluma-object-module.h>
#define PLUMA_PLUGIN_LOADER_C_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE((object), PLUMA_TYPE_PLUGIN_LOADER_C, PlumaPluginLoaderCPrivate))
struct _PlumaPluginLoaderCPrivate
{
GHashTable *loaded_plugins;
};
static void pluma_plugin_loader_iface_init (gpointer g_iface, gpointer iface_data);
PLUMA_PLUGIN_LOADER_REGISTER_TYPE (PlumaPluginLoaderC, pluma_plugin_loader_c, G_TYPE_OBJECT, pluma_plugin_loader_iface_init);
static const gchar *
pluma_plugin_loader_iface_get_id (void)
{
return "C";
}
static PlumaPlugin *
pluma_plugin_loader_iface_load (PlumaPluginLoader *loader,
PlumaPluginInfo *info,
const gchar *path)
{
PlumaPluginLoaderC *cloader = PLUMA_PLUGIN_LOADER_C (loader);
PlumaObjectModule *module;
const gchar *module_name;
PlumaPlugin *result;
module = (PlumaObjectModule *)g_hash_table_lookup (cloader->priv->loaded_plugins, info);
module_name = pluma_plugin_info_get_module_name (info);
if (module == NULL)
{
/* For now we force all modules to be resident */
module = pluma_object_module_new (module_name,
path,
"register_pluma_plugin",
TRUE);
/* Infos are available for all the lifetime of the loader.
* If this changes, we should use weak refs or something */
g_hash_table_insert (cloader->priv->loaded_plugins, info, module);
}
if (!g_type_module_use (G_TYPE_MODULE (module)))
{
g_warning ("Could not load plugin module: %s", pluma_plugin_info_get_name (info));
return NULL;
}
/* TODO: for now we force data-dir-name = module-name... if needed we can
* add a datadir field to the plugin descriptor file.
*/
result = (PlumaPlugin *)pluma_object_module_new_object (module,
"install-dir", path,
"data-dir-name", module_name,
NULL);
if (!result)
{
g_warning ("Could not create plugin object: %s", pluma_plugin_info_get_name (info));
g_type_module_unuse (G_TYPE_MODULE (module));
return NULL;
}
g_type_module_unuse (G_TYPE_MODULE (module));
return result;
}
static void
pluma_plugin_loader_iface_unload (PlumaPluginLoader *loader,
PlumaPluginInfo *info)
{
//PlumaPluginLoaderC *cloader = PLUMA_PLUGIN_LOADER_C (loader);
/* this is a no-op, since the type module will be properly unused as
the last reference to the plugin dies. When the plugin is activated
again, the library will be reloaded */
}
static void
pluma_plugin_loader_iface_init (gpointer g_iface,
gpointer iface_data)
{
PlumaPluginLoaderInterface *iface = (PlumaPluginLoaderInterface *)g_iface;
iface->get_id = pluma_plugin_loader_iface_get_id;
iface->load = pluma_plugin_loader_iface_load;
iface->unload = pluma_plugin_loader_iface_unload;
}
static void
pluma_plugin_loader_c_finalize (GObject *object)
{
PlumaPluginLoaderC *cloader = PLUMA_PLUGIN_LOADER_C (object);
GList *infos;
GList *item;
/* FIXME: this sanity check it's not efficient. Let's remove it
* once we are confident with the code */
infos = g_hash_table_get_keys (cloader->priv->loaded_plugins);
for (item = infos; item; item = item->next)
{
PlumaPluginInfo *info = (PlumaPluginInfo *)item->data;
if (pluma_plugin_info_is_active (info))
{
g_warning ("There are still C plugins loaded during destruction");
break;
}
}
g_list_free (infos);
g_hash_table_destroy (cloader->priv->loaded_plugins);
G_OBJECT_CLASS (pluma_plugin_loader_c_parent_class)->finalize (object);
}
static void
pluma_plugin_loader_c_class_init (PlumaPluginLoaderCClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = pluma_plugin_loader_c_finalize;
g_type_class_add_private (object_class, sizeof (PlumaPluginLoaderCPrivate));
}
static void
pluma_plugin_loader_c_class_finalize (PlumaPluginLoaderCClass *klass)
{
}
static void
pluma_plugin_loader_c_init (PlumaPluginLoaderC *self)
{
self->priv = PLUMA_PLUGIN_LOADER_C_GET_PRIVATE (self);
/* loaded_plugins maps PlumaPluginInfo to a PlumaObjectModule */
self->priv->loaded_plugins = g_hash_table_new (g_direct_hash,
g_direct_equal);
}
PlumaPluginLoaderC *
pluma_plugin_loader_c_new ()
{
GObject *loader = g_object_new (PLUMA_TYPE_PLUGIN_LOADER_C, NULL);
return PLUMA_PLUGIN_LOADER_C (loader);
}
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