/* GIO - GLib Input, Output and Streaming Library

 *

 * Copyright 2016 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General

 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.

 */

#include "config.h"

#include "gnetworkmonitorportal.h"

#include "ginitable.h"

#include "giomodule-priv.h"

#include "gnetworkmonitor.h"

#include "xdp-dbus.h"

#include "gportalsupport.h"

static void g_network_monitor_portal_iface_init (GNetworkMonitorInterface *iface);

static void g_network_monitor_portal_initable_iface_init (GInitableIface *iface);

enum

{

  PROP_0,

  PROP_NETWORK_AVAILABLE,

  PROP_NETWORK_METERED,

  PROP_CONNECTIVITY

};

struct _GNetworkMonitorPortalPrivate

{

  GXdpNetworkMonitor *proxy;

  gboolean network_available;

};

G_DEFINE_TYPE_WITH_CODE (GNetworkMonitorPortal, g_network_monitor_portal, G_TYPE_NETWORK_MONITOR_BASE,

                         G_ADD_PRIVATE (GNetworkMonitorPortal)

                         G_IMPLEMENT_INTERFACE (G_TYPE_NETWORK_MONITOR,

                                                g_network_monitor_portal_iface_init)

                         G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,

                                                g_network_monitor_portal_initable_iface_init)

                         _g_io_modules_ensure_extension_points_registered ();

                         g_io_extension_point_implement (G_NETWORK_MONITOR_EXTENSION_POINT_NAME,

                                                         g_define_type_id,

                                                         "portal",

                                                         40))

static void

g_network_monitor_portal_init (GNetworkMonitorPortal *nm)

{

  nm->priv = g_network_monitor_portal_get_instance_private (nm);

}

static void

g_network_monitor_portal_get_property (GObject    *object,

                                       guint       prop_id,

                                       GValue     *value,

                                       GParamSpec *pspec)

{

  GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (object);

  switch (prop_id)

    {

    case PROP_NETWORK_AVAILABLE:

      g_value_set_boolean (value,

                           nm->priv->network_available &&

                           gxdp_network_monitor_get_available (nm->priv->proxy));

      break;

    case PROP_NETWORK_METERED:

      g_value_set_boolean (value,

                           nm->priv->network_available &&

                           gxdp_network_monitor_get_metered (nm->priv->proxy));

      break;

    case PROP_CONNECTIVITY:

      g_value_set_enum (value,

                        nm->priv->network_available

                        ? gxdp_network_monitor_get_connectivity (nm->priv->proxy)

                        : G_NETWORK_CONNECTIVITY_LOCAL);

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

proxy_changed (GXdpNetworkMonitor    *proxy,

               gboolean               available,

               GNetworkMonitorPortal *nm)

{

  if (nm->priv->network_available)

    g_signal_emit_by_name (nm, "network-changed", available);

}

static gboolean

g_network_monitor_portal_initable_init (GInitable     *initable,

                                        GCancellable  *cancellable,

                                        GError       **error)

{

  GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (initable);

  GXdpNetworkMonitor *proxy;

  gchar *name_owner = NULL;

  if (!glib_should_use_portal ())

    {

      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Not using portals");

      return FALSE;

    }

  proxy = gxdp_network_monitor_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,

                                                       G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START

                                                       | G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,

                                                       "org.freedesktop.portal.Desktop",

                                                       "/org/freedesktop/portal/desktop",

                                                       cancellable,

                                                       error);

  if (!proxy)

    return FALSE;

  name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (proxy));

  if (!name_owner)

    {

      g_object_unref (proxy);

      g_set_error (error,

                   G_DBUS_ERROR,

                   G_DBUS_ERROR_NAME_HAS_NO_OWNER,

                   "Desktop portal not found");

      return FALSE;

    }

  g_free (name_owner);

  g_signal_connect (proxy, "changed", G_CALLBACK (proxy_changed), nm);

  nm->priv->proxy = proxy;

  nm->priv->network_available = glib_network_available_in_sandbox ();

  return TRUE;

}

static void

g_network_monitor_portal_finalize (GObject *object)

{

  GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (object);

  g_clear_object (&nm->priv->proxy);

  G_OBJECT_CLASS (g_network_monitor_portal_parent_class)->finalize (object);

}

static void

g_network_monitor_portal_class_init (GNetworkMonitorPortalClass *class)

{

  GObjectClass *gobject_class = G_OBJECT_CLASS (class);

  gobject_class->finalize  = g_network_monitor_portal_finalize;

  gobject_class->get_property = g_network_monitor_portal_get_property;

  g_object_class_override_property (gobject_class, PROP_NETWORK_AVAILABLE, "network-available");

  g_object_class_override_property (gobject_class, PROP_NETWORK_METERED, "network-metered");

  g_object_class_override_property (gobject_class, PROP_CONNECTIVITY, "connectivity");

}

static void

g_network_monitor_portal_iface_init (GNetworkMonitorInterface *monitor_iface)

{

}

static void

g_network_monitor_portal_initable_iface_init (GInitableIface *iface)

{

  iface->init = g_network_monitor_portal_initable_init;

}