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/* Copyright (C) 2017 Ernestas Kulik <ernestask@gnome.org>
*
* This file is part of Nautilus.
*
* Nautilus 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.
*
* Nautilus 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 Nautilus. If not, see <https://www.gnu.org/licenses/>.
*/
#include "nautilus-task-manager.h"
struct _NautilusTaskManager
{
GObject parent_instance;
GThreadPool *thread_pool;
};
G_DEFINE_TYPE (NautilusTaskManager, nautilus_task_manager, G_TYPE_OBJECT)
static NautilusTaskManager *instance = NULL;
static GObject *
constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
static GMutex mutex;
GObjectClass *parent_class;
g_mutex_lock (&mutex);
if (instance != NULL)
{
g_mutex_unlock (&mutex);
return g_object_ref (instance);
}
parent_class = G_OBJECT_CLASS (nautilus_task_manager_parent_class);
instance = NAUTILUS_TASK_MANAGER (parent_class->constructor (type,
n_construct_properties,
construct_properties));
g_object_add_weak_pointer (G_OBJECT (instance), (gpointer *) &instance);
/* The task manager should be like a daemon, always present while
* Nautilus is running, so we avoid the memory handling all around
* and have a way to know statistics an status of the task management in
* general during the whole Nautilus proccess duration.
*/
g_object_ref (instance);
g_mutex_unlock (&mutex);
return G_OBJECT (instance);
}
static void
finalize (GObject *object)
{
NautilusTaskManager *self;
self = NAUTILUS_TASK_MANAGER (object);
g_thread_pool_free (self->thread_pool, TRUE, TRUE);
G_OBJECT_CLASS (nautilus_task_manager_parent_class)->finalize (object);
}
static void
nautilus_task_manager_class_init (NautilusTaskManagerClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
object_class->constructor = constructor;
object_class->finalize = finalize;
}
static void
execute_task (gpointer data,
gpointer user_data)
{
g_autoptr (NautilusTask) task = NULL;
task = NAUTILUS_TASK (data);
nautilus_task_run_sync (task);
}
static void
nautilus_task_manager_init (NautilusTaskManager *self)
{
self->thread_pool = g_thread_pool_new (execute_task, self,
16, FALSE,
NULL);
}
void
nautilus_task_manager_queue_task (NautilusTaskManager *self,
NautilusTask *task)
{
g_return_if_fail (NAUTILUS_IS_TASK_MANAGER (self));
g_return_if_fail (NAUTILUS_IS_TASK (task));
g_thread_pool_push (self->thread_pool, g_object_ref (task), NULL);
}
NautilusTaskManager *
nautilus_task_manager_dup_singleton (void)
{
return g_object_new (NAUTILUS_TYPE_TASK_MANAGER, NULL);
}
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