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/*
* dLeyna
*
* Copyright (c) 2019 Jens Georg <mail@jensge.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <config.h>
#include "gasync-task.h"
#include <libdleyna/core/task-processor.h>
struct dleyna_gasync_task_t_ {
dleyna_task_atom_t base;
dleyna_gasync_task_action action;
GObject *target;
GCancellable *cancellable;
GDestroyNotify free_func;
gboolean current;
gpointer cb_user_data;
};
const char *dleyna_gasync_task_create_source(void)
{
static unsigned int cpt = 1;
static char source[27];
g_snprintf(source, 27, "gasync-source-%d", cpt);
cpt++;
return source;
}
void dleyna_gasync_task_add(const dleyna_task_queue_key_t *queue_id,
dleyna_gasync_task_action action,
GObject *target,
GCancellable *cancellable,
GDestroyNotify free_func,
gpointer cb_user_data)
{
dleyna_gasync_task_t *task;
task = g_new0(dleyna_gasync_task_t, 1);
task->action = action;
task->cancellable = cancellable ? g_object_ref(cancellable) : NULL;
task->free_func = free_func;
task->cb_user_data = cb_user_data;
task->target = target;
if (target != NULL) {
g_object_add_weak_pointer (target, (gpointer *)(&task->target));
}
dleyna_task_queue_add_task(queue_id, &task->base);
}
void dleyna_gasync_task_process_cb(dleyna_task_atom_t *atom,
gpointer user_data)
{
dleyna_gasync_task_t *task = (dleyna_gasync_task_t *)atom;
task->current = TRUE;
task->action(task, task->target);
}
void dleyna_gasync_task_cancel_cb(dleyna_task_atom_t *atom,
gpointer user_data)
{
dleyna_gasync_task_t *task = (dleyna_gasync_task_t *)atom;
if (task->cancellable) {
g_cancellable_cancel (task->cancellable);
g_object_unref(task->cancellable);
task->cancellable = NULL;
if (task->current)
dleyna_task_queue_task_completed(task->base.queue_id);
}
}
void dleyna_gasync_task_delete_cb(dleyna_task_atom_t *atom,
gpointer user_data)
{
dleyna_gasync_task_t *task = (dleyna_gasync_task_t *)atom;
if (task->free_func != NULL)
task->free_func(task->cb_user_data);
if (task->target != NULL) {
g_object_remove_weak_pointer(task->target, (gpointer *)&task->target);
}
g_clear_object(&task->cancellable);
g_free(task);
}
gpointer dleyna_gasync_task_get_user_data(dleyna_gasync_task_t *task)
{
return task->cb_user_data;
}
GCancellable *dleyna_gasync_task_get_cancellable(dleyna_gasync_task_t *task)
{
return task->cancellable;
}
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