libempathy/empathy-connectivity.c

   1 /* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
   2 /*
   3  * Copyright (C) 2009 Collabora Ltd.
   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 Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Jonny Lamb <jonny.lamb@collabora.co.uk>
  20  */
  21
  22 #include "config.h"
  23 #include "empathy-connectivity.h"
  24
  25 #ifdef HAVE_NM
  26 #include <nm-client.h>
  27 #endif
  28
  29 #include "empathy-utils.h"
  30 #include "empathy-marshal.h"
  31
  32 #define DEBUG_FLAG EMPATHY_DEBUG_CONNECTIVITY
  33 #include "empathy-debug.h"
  34
  35 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyConnectivity)
  36
  37 typedef struct {
  38 #ifdef HAVE_NM
  39   NMClient *nm_client;
  40 #endif
  41
  42   gboolean connected;
  43   gboolean use_conn;
  44   gboolean dispose_run;
  45 } EmpathyConnectivityPriv;
  46
  47 enum {
  48   STATE_CHANGE,
  49   LAST_SIGNAL
  50 };
  51
  52 enum {
  53   PROP_0,
  54   PROP_USE_CONN,
  55 };
  56
  57 static guint signals[LAST_SIGNAL];
  58 static EmpathyConnectivity *connectivity_singleton = NULL;
  59
  60 G_DEFINE_TYPE (EmpathyConnectivity, empathy_connectivity, G_TYPE_OBJECT);
  61
  62 #ifdef HAVE_NM
  63 static void
  64 connectivity_nm_state_change_cb (NMClient *client,
  65     const GParamSpec *pspec,
  66     EmpathyConnectivity *connectivity)
  67 {
  68   EmpathyConnectivityPriv *priv;
  69   gboolean old_nm_connected;
  70   gboolean new_nm_connected;
  71   NMState state;
  72
  73   priv = GET_PRIV (connectivity);
  74
  75   if (!priv->use_conn)
  76     return;
  77
  78   state = nm_client_get_state (priv->nm_client);
  79   old_nm_connected = priv->connected;
  80   new_nm_connected = !(state == NM_STATE_CONNECTING
  81       || state == NM_STATE_DISCONNECTED);
  82
  83   DEBUG ("New NetworkManager network state %d", state);
  84
  85   priv->connected = new_nm_connected;
  86
  87   g_signal_emit (connectivity, signals[STATE_CHANGE], 0,
  88       old_nm_connected, new_nm_connected);
  89 }
  90 #endif
  91
  92 static void
  93 empathy_connectivity_init (EmpathyConnectivity *connectivity)
  94 {
  95   EmpathyConnectivityPriv *priv;
  96
  97   priv = G_TYPE_INSTANCE_GET_PRIVATE (connectivity,
  98       EMPATHY_TYPE_CONNECTIVITY, EmpathyConnectivityPriv);
  99
 100   connectivity->priv = priv;
 101   priv->dispose_run = FALSE;
 102
 103   priv->use_conn = TRUE;
 104
 105 #ifdef HAVE_NM
 106   priv->nm_client = nm_client_new ();
 107   if (priv->nm_client != NULL)
 108     {
 109       g_signal_connect (priv->nm_client, "notify::" NM_CLIENT_STATE,
 110           G_CALLBACK (connectivity_nm_state_change_cb), connectivity);
 111
 112       connectivity_nm_state_change_cb (priv->nm_client, NULL, connectivity);
 113     }
 114   else
 115     {
 116       DEBUG ("Failed to get NetworkManager proxy");
 117     }
 118 #else
 119   priv->connected = TRUE;
 120 #endif
 121 }
 122
 123 static void
 124 connectivity_finalize (GObject *object)
 125 {
 126 #ifdef HAVE_NM
 127   EmpathyConnectivity *connectivity = EMPATHY_CONNECTIVITY (object);
 128   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 129
 130   if (priv->nm_client != NULL)
 131     {
 132       g_signal_handlers_disconnect_by_func (priv->nm_client,
 133           connectivity_nm_state_change_cb, connectivity);
 134       g_object_unref (priv->nm_client);
 135       priv->nm_client = NULL;
 136     }
 137 #endif
 138
 139   G_OBJECT_CLASS (empathy_connectivity_parent_class)->finalize (object);
 140 }
 141
 142 static void
 143 connectivity_dispose (GObject *object)
 144 {
 145   EmpathyConnectivity *connectivity = EMPATHY_CONNECTIVITY (object);
 146   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 147
 148   if (priv->dispose_run)
 149     return;
 150
 151   priv->dispose_run = TRUE;
 152
 153   G_OBJECT_CLASS (empathy_connectivity_parent_class)->dispose (object);
 154 }
 155
 156 static GObject *
 157 connectivity_constructor (GType type,
 158     guint n_construct_params,
 159     GObjectConstructParam *construct_params)
 160 {
 161   GObject *retval;
 162
 163   if (!connectivity_singleton)
 164     {
 165       retval = G_OBJECT_CLASS (empathy_connectivity_parent_class)->constructor
 166         (type, n_construct_params, construct_params);
 167
 168       connectivity_singleton = EMPATHY_CONNECTIVITY (retval);
 169       g_object_add_weak_pointer (retval, (gpointer) &connectivity_singleton);
 170     }
 171   else
 172     {
 173       retval = g_object_ref (connectivity_singleton);
 174     }
 175
 176   return retval;
 177 }
 178
 179 static void
 180 connectivity_get_property (GObject *object,
 181     guint param_id,
 182     GValue *value,
 183     GParamSpec *pspec)
 184 {
 185   EmpathyConnectivity *connectivity = EMPATHY_CONNECTIVITY (object);
 186
 187   switch (param_id)
 188     {
 189     case PROP_USE_CONN:
 190       g_value_set_boolean (value, empathy_connectivity_get_use_conn (
 191               connectivity));
 192       break;
 193     default:
 194       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 195       break;
 196     };
 197 }
 198
 199 static void
 200 connectivity_set_property (GObject *object,
 201     guint param_id,
 202     const GValue *value,
 203     GParamSpec *pspec)
 204 {
 205   EmpathyConnectivity *connectivity = EMPATHY_CONNECTIVITY (object);
 206
 207   switch (param_id)
 208     {
 209     case PROP_USE_CONN:
 210       empathy_connectivity_set_use_conn (connectivity,
 211           g_value_get_boolean (value));
 212       break;
 213     default:
 214       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 215       break;
 216     };
 217 }
 218
 219 static void
 220 empathy_connectivity_class_init (EmpathyConnectivityClass *klass)
 221 {
 222   GObjectClass *oclass = G_OBJECT_CLASS (klass);
 223
 224   oclass->finalize = connectivity_finalize;
 225   oclass->dispose = connectivity_dispose;
 226   oclass->constructor = connectivity_constructor;
 227   oclass->get_property = connectivity_get_property;
 228   oclass->set_property = connectivity_set_property;
 229
 230   signals[STATE_CHANGE] =
 231     g_signal_new ("state-change",
 232         G_TYPE_FROM_CLASS (klass),
 233         G_SIGNAL_RUN_LAST,
 234         0,
 235         NULL, NULL,
 236         _empathy_marshal_VOID__BOOLEAN_BOOLEAN,
 237         G_TYPE_NONE,
 238         2, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, NULL);
 239
 240   g_object_class_install_property (oclass,
 241       PROP_USE_CONN,
 242       g_param_spec_boolean ("use-conn",
 243           "Use connectivity managers",
 244           "Set presence according to connectivity managers",
 245           TRUE,
 246           G_PARAM_CONSTRUCT | G_PARAM_READWRITE));
 247
 248   g_type_class_add_private (oclass, sizeof (EmpathyConnectivityPriv));
 249 }
 250
 251 /* public methods */
 252
 253 EmpathyConnectivity *
 254 empathy_connectivity_dup_singleton (void)
 255 {
 256   return g_object_new (EMPATHY_TYPE_CONNECTIVITY, NULL);
 257 }
 258
 259 gboolean
 260 empathy_connectivity_is_online (EmpathyConnectivity *connectivity)
 261 {
 262   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 263
 264   if (priv->use_conn)
 265     {
 266       return priv->connected;
 267     }
 268   else
 269     {
 270       return TRUE;
 271     }
 272 }
 273
 274 gboolean
 275 empathy_connectivity_get_use_conn (EmpathyConnectivity *connectivity)
 276 {
 277   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 278
 279   return priv->use_conn;
 280 }
 281
 282 void
 283 empathy_connectivity_set_use_conn (EmpathyConnectivity *connectivity,
 284     gboolean use_conn)
 285 {
 286   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 287
 288   if (use_conn == priv->use_conn)
 289     return;
 290
 291   DEBUG ("use_conn gconf key changed; new value = %s",
 292       use_conn ? "true" : "false");
 293
 294   priv->use_conn = use_conn;
 295
 296 #ifdef HAVE_NM
 297   if (use_conn)
 298     {
 299       connectivity_nm_state_change_cb (priv->nm_client, NULL, connectivity);
 300 #else
 301   if (FALSE)
 302     {
 303 #endif
 304     }
 305   else
 306     {
 307       g_signal_emit (connectivity, signals[STATE_CHANGE], 0,
 308           FALSE, TRUE);
 309     }
 310
 311   g_object_notify (G_OBJECT (connectivity), "use-conn");
 312 }