Logo Search packages:      
Sourcecode: nautilus version File versions  Download package

nautilus-progress-info-manager.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
 * Nautilus
 *
 * Copyright (C) 2011 Red Hat, Inc.
 *
 * 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 this program; see the file COPYING.  If not,
 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Cosimo Cecchi <cosimoc@redhat.com>
 */

#include <config.h>

#include "nautilus-progress-info-manager.h"

00029 struct _NautilusProgressInfoManagerPriv {
      GList *progress_infos;
};

enum {
      NEW_PROGRESS_INFO,
      LAST_SIGNAL
};

static NautilusProgressInfoManager *singleton = NULL;

static guint signals[LAST_SIGNAL] = { 0, };

G_DEFINE_TYPE (NautilusProgressInfoManager, nautilus_progress_info_manager,
               G_TYPE_OBJECT);

static void
nautilus_progress_info_manager_finalize (GObject *obj)
{
      NautilusProgressInfoManager *self = NAUTILUS_PROGRESS_INFO_MANAGER (obj);

      if (self->priv->progress_infos != NULL) {
            g_list_free_full (self->priv->progress_infos, g_object_unref);
      }

      G_OBJECT_CLASS (nautilus_progress_info_manager_parent_class)->finalize (obj);
}

static GObject *
nautilus_progress_info_manager_constructor (GType type,
                                  guint n_props,
                                  GObjectConstructParam *props)
{
      GObject *retval;

      if (singleton != NULL) {
            return g_object_ref (singleton);
      }

      retval = G_OBJECT_CLASS (nautilus_progress_info_manager_parent_class)->constructor
            (type, n_props, props);

      singleton = NAUTILUS_PROGRESS_INFO_MANAGER (retval);
      g_object_add_weak_pointer (retval, (gpointer) &singleton);

      return retval;
}

static void
nautilus_progress_info_manager_init (NautilusProgressInfoManager *self)
{
      self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, NAUTILUS_TYPE_PROGRESS_INFO_MANAGER,
                                      NautilusProgressInfoManagerPriv);
}

static void
nautilus_progress_info_manager_class_init (NautilusProgressInfoManagerClass *klass)
{
      GObjectClass *oclass;

      oclass = G_OBJECT_CLASS (klass);
      oclass->constructor = nautilus_progress_info_manager_constructor;
      oclass->finalize = nautilus_progress_info_manager_finalize;

      signals[NEW_PROGRESS_INFO] =
            g_signal_new ("new-progress-info",
                        G_TYPE_FROM_CLASS (klass),
                        G_SIGNAL_RUN_LAST,
                        0, NULL, NULL,
                        g_cclosure_marshal_VOID__OBJECT,
                        G_TYPE_NONE,
                        1,
                        NAUTILUS_TYPE_PROGRESS_INFO);

      g_type_class_add_private (klass, sizeof (NautilusProgressInfoManagerPriv));
}

static void
progress_info_finished_cb (NautilusProgressInfo *info,
                     NautilusProgressInfoManager *self)
{
      self->priv->progress_infos =
            g_list_remove (self->priv->progress_infos, info);
}

NautilusProgressInfoManager *
nautilus_progress_info_manager_new (void)
{
      return g_object_new (NAUTILUS_TYPE_PROGRESS_INFO_MANAGER, NULL);
}

void
nautilus_progress_info_manager_add_new_info (NautilusProgressInfoManager *self,
                                   NautilusProgressInfo *info)
{
      if (g_list_find (self->priv->progress_infos, info) != NULL) {
            g_warning ("Adding two times the same progress info object to the manager");
            return;
      }
      
      self->priv->progress_infos =
            g_list_prepend (self->priv->progress_infos, g_object_ref (info));

      g_signal_connect (info, "finished",
                    G_CALLBACK (progress_info_finished_cb), self);

      g_signal_emit (self, signals[NEW_PROGRESS_INFO], 0, info);
}

GList *
nautilus_progress_info_manager_get_all_infos (NautilusProgressInfoManager *self)
{
      return self->priv->progress_infos;
}

Generated by  Doxygen 1.6.0   Back to index