gio/gnetworkmonitorportal.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright 2016 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "config.h"
  20
  21 #include "gnetworkmonitorportal.h"
  22 #include "ginitable.h"
  23 #include "giomodule-priv.h"
  24 #include "gnetworkmonitor.h"
  25 #include "xdp-dbus.h"
  26 #include "gportalsupport.h"
  27
  28 static GInitableIface *initable_parent_iface;
  29 static void g_network_monitor_portal_iface_init (GNetworkMonitorInterface *iface);
  30 static void g_network_monitor_portal_initable_iface_init (GInitableIface *iface);
  31
  32 enum
  33 {
  34   PROP_0,
  35   PROP_NETWORK_AVAILABLE,
  36   PROP_NETWORK_METERED,
  37   PROP_CONNECTIVITY
  38 };
  39
  40 struct _GNetworkMonitorPortalPrivate
  41 {
  42   GXdpNetworkMonitor *proxy;
  43   gboolean network_available;
  44 };
  45
  46 G_DEFINE_TYPE_WITH_CODE (GNetworkMonitorPortal, g_network_monitor_portal, G_TYPE_NETWORK_MONITOR_BASE,
  47                          G_ADD_PRIVATE (GNetworkMonitorPortal)
  48                          G_IMPLEMENT_INTERFACE (G_TYPE_NETWORK_MONITOR,
  49                                                 g_network_monitor_portal_iface_init)
  50                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
  51                                                 g_network_monitor_portal_initable_iface_init)
  52                          _g_io_modules_ensure_extension_points_registered ();
  53                          g_io_extension_point_implement (G_NETWORK_MONITOR_EXTENSION_POINT_NAME,
  54                                                          g_define_type_id,
  55                                                          "portal",
  56                                                          40))
  57
  58 static void
  59 g_network_monitor_portal_init (GNetworkMonitorPortal *nm)
  60 {
  61   nm->priv = g_network_monitor_portal_get_instance_private (nm);
  62 }
  63
  64 static void
  65 g_network_monitor_portal_get_property (GObject    *object,
  66                                        guint       prop_id,
  67                                        GValue     *value,
  68                                        GParamSpec *pspec)
  69 {
  70   GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (object);
  71
  72   switch (prop_id)
  73     {
  74     case PROP_NETWORK_AVAILABLE:
  75       g_value_set_boolean (value,
  76                            nm->priv->network_available &&
  77                            gxdp_network_monitor_get_available (nm->priv->proxy));
  78       break;
  79
  80     case PROP_NETWORK_METERED:
  81       g_value_set_boolean (value,
  82                            nm->priv->network_available &&
  83                            gxdp_network_monitor_get_metered (nm->priv->proxy));
  84       break;
  85
  86     case PROP_CONNECTIVITY:
  87       g_value_set_enum (value,
  88                         nm->priv->network_available
  89                         ? gxdp_network_monitor_get_connectivity (nm->priv->proxy)
  90                         : G_NETWORK_CONNECTIVITY_LOCAL);
  91       break;
  92
  93     default:
  94       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
  95       break;
  96     }
  97 }
  98
  99 static void
 100 proxy_changed (GXdpNetworkMonitor    *proxy,
 101                gboolean               available,
 102                GNetworkMonitorPortal *nm)
 103 {
 104   if (nm->priv->network_available)
 105     g_signal_emit_by_name (nm, "network-changed", available);
 106 }
 107
 108 static gboolean
 109 g_network_monitor_portal_initable_init (GInitable     *initable,
 110                                         GCancellable  *cancellable,
 111                                         GError       **error)
 112 {
 113   GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (initable);
 114   GXdpNetworkMonitor *proxy;
 115   gchar *name_owner = NULL;
 116
 117   if (!glib_should_use_portal ())
 118     {
 119       g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Not using portals");
 120       return FALSE;
 121     }
 122
 123   proxy = gxdp_network_monitor_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
 124                                                        G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START
 125                                                        | G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
 126                                                        "org.freedesktop.portal.Desktop",
 127                                                        "/org/freedesktop/portal/desktop",
 128                                                        cancellable,
 129                                                        error);
 130   if (!proxy)
 131     return FALSE;
 132
 133   name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (proxy));
 134
 135   if (!name_owner)
 136     {
 137       g_object_unref (proxy);
 138       g_set_error (error,
 139                    G_DBUS_ERROR,
 140                    G_DBUS_ERROR_NAME_HAS_NO_OWNER,
 141                    "Desktop portal not found");
 142       return FALSE;
 143     }
 144
 145   g_free (name_owner);
 146
 147   g_signal_connect (proxy, "changed", G_CALLBACK (proxy_changed), nm);
 148   nm->priv->proxy = proxy;
 149   nm->priv->network_available = glib_network_available_in_sandbox ();
 150
 151   return initable_parent_iface->init (initable, cancellable, error);
 152 }
 153
 154 static void
 155 g_network_monitor_portal_finalize (GObject *object)
 156 {
 157   GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (object);
 158
 159   g_clear_object (&nm->priv->proxy);
 160
 161   G_OBJECT_CLASS (g_network_monitor_portal_parent_class)->finalize (object);
 162 }
 163
 164 static void
 165 g_network_monitor_portal_class_init (GNetworkMonitorPortalClass *class)
 166 {
 167   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 168
 169   gobject_class->finalize  = g_network_monitor_portal_finalize;
 170   gobject_class->get_property = g_network_monitor_portal_get_property;
 171
 172   g_object_class_override_property (gobject_class, PROP_NETWORK_AVAILABLE, "network-available");
 173   g_object_class_override_property (gobject_class, PROP_NETWORK_METERED, "network-metered");
 174   g_object_class_override_property (gobject_class, PROP_CONNECTIVITY, "connectivity");
 175 }
 176
 177 static void
 178 g_network_monitor_portal_iface_init (GNetworkMonitorInterface *monitor_iface)
 179 {
 180 }
 181
 182 static void
 183 g_network_monitor_portal_initable_iface_init (GInitableIface *iface)
 184 {
 185   initable_parent_iface = g_type_interface_peek_parent (iface);
 186
 187   iface->init = g_network_monitor_portal_initable_init;
 188 }