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_CONNECTED;
  81   new_nm_connected = !(state == NM_STATE_CONNECTING
  82       || state == NM_STATE_DISCONNECTED);
  83
  84   DEBUG ("New NetworkManager network state %d", state);
  85
  86   priv->connected = new_nm_connected;
  87
  88   g_signal_emit (connectivity, signals[STATE_CHANGE], 0,
  89       old_nm_connected, new_nm_connected);
  90 }
  91 #endif
  92
  93 static void
  94 empathy_connectivity_init (EmpathyConnectivity *connectivity)
  95 {
  96   EmpathyConnectivityPriv *priv;
  97
  98   priv = G_TYPE_INSTANCE_GET_PRIVATE (connectivity,
  99       EMPATHY_TYPE_CONNECTIVITY, EmpathyConnectivityPriv);
 100
 101   connectivity->priv = priv;
 102   priv->dispose_run = FALSE;
 103
 104 #ifdef HAVE_NM
 105   priv->nm_client = nm_client_new ();
 106   if (priv->nm_client != NULL)
 107     {
 108       g_signal_connect (priv->nm_client, "notify::" NM_CLIENT_STATE,
 109           G_CALLBACK (connectivity_nm_state_change_cb), connectivity);
 110     }
 111   else
 112     {
 113       DEBUG ("Failed to get NetworkManager proxy");
 114     }
 115 #endif
 116 }
 117
 118 static void
 119 connectivity_finalize (GObject *object)
 120 {
 121 #ifdef HAVE_NM
 122   EmpathyConnectivity *manager = EMPATHY_CONNECTIVITY (object);
 123   EmpathyConnectivityPriv *priv = GET_PRIV (manager);
 124
 125   if (priv->nm_client != NULL)
 126     {
 127       g_signal_handlers_disconnect_by_func (priv->nm_client,
 128           connectivity_nm_state_change_cb, manager);
 129       g_object_unref (priv->nm_client);
 130       priv->nm_client = NULL;
 131     }
 132 #endif
 133
 134   G_OBJECT_CLASS (empathy_connectivity_parent_class)->finalize (object);
 135 }
 136
 137 static void
 138 connectivity_dispose (GObject *object)
 139 {
 140   EmpathyConnectivity *manager = EMPATHY_CONNECTIVITY (object);
 141   EmpathyConnectivityPriv *priv = GET_PRIV (manager);
 142
 143   if (priv->dispose_run)
 144     return;
 145
 146   priv->dispose_run = TRUE;
 147
 148   G_OBJECT_CLASS (empathy_connectivity_parent_class)->dispose (object);
 149 }
 150
 151 static GObject *
 152 connectivity_constructor (GType type,
 153     guint n_construct_params,
 154     GObjectConstructParam *construct_params)
 155 {
 156   GObject *retval;
 157
 158   if (!connectivity_singleton)
 159     {
 160       retval = G_OBJECT_CLASS (empathy_connectivity_parent_class)->constructor
 161         (type, n_construct_params, construct_params);
 162
 163       connectivity_singleton = EMPATHY_CONNECTIVITY (retval);
 164       g_object_add_weak_pointer (retval, (gpointer) &connectivity_singleton);
 165     }
 166   else
 167     {
 168       retval = g_object_ref (connectivity_singleton);
 169     }
 170
 171   return retval;
 172 }
 173
 174 static void
 175 connectivity_get_property (GObject *object,
 176     guint param_id,
 177     GValue *value,
 178     GParamSpec *pspec)
 179 {
 180   EmpathyConnectivity *connectivity = EMPATHY_CONNECTIVITY (object);
 181
 182   switch (param_id)
 183     {
 184     case PROP_USE_CONN:
 185       g_value_set_boolean (value, empathy_connectivity_get_use_conn (
 186               connectivity));
 187       break;
 188     default:
 189       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 190       break;
 191     };
 192 }
 193
 194 static void
 195 connectivity_set_property (GObject *object,
 196     guint param_id,
 197     const GValue *value,
 198     GParamSpec *pspec)
 199 {
 200   EmpathyConnectivity *connectivity = EMPATHY_CONNECTIVITY (object);
 201
 202   switch (param_id)
 203     {
 204     case PROP_USE_CONN:
 205       empathy_connectivity_set_use_conn (connectivity,
 206           g_value_get_boolean (value));
 207       break;
 208     default:
 209       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 210       break;
 211     };
 212 }
 213
 214 static void
 215 empathy_connectivity_class_init (EmpathyConnectivityClass *klass)
 216 {
 217   GObjectClass *oclass = G_OBJECT_CLASS (klass);
 218
 219   oclass->finalize = connectivity_finalize;
 220   oclass->dispose = connectivity_dispose;
 221   oclass->constructor = connectivity_constructor;
 222   oclass->get_property = connectivity_get_property;
 223   oclass->set_property = connectivity_set_property;
 224
 225   signals[STATE_CHANGE] =
 226     g_signal_new ("state-change",
 227         G_TYPE_FROM_CLASS (klass),
 228         G_SIGNAL_RUN_LAST,
 229         0,
 230         NULL, NULL,
 231         _empathy_marshal_VOID__BOOLEAN_BOOLEAN,
 232         G_TYPE_NONE,
 233         2, G_TYPE_BOOLEAN, G_TYPE_BOOLEAN, NULL);
 234
 235   g_object_class_install_property (oclass,
 236       PROP_USE_CONN,
 237       g_param_spec_boolean ("use-conn",
 238           "Use connectivity managers",
 239           "Set presence according to connectivity managers",
 240           TRUE,
 241           G_PARAM_CONSTRUCT | G_PARAM_READWRITE));
 242
 243   g_type_class_add_private (oclass, sizeof (EmpathyConnectivityPriv));
 244 }
 245
 246 /* public methods */
 247
 248 EmpathyConnectivity *
 249 empathy_connectivity_dup_singleton (void)
 250 {
 251   return g_object_new (EMPATHY_TYPE_CONNECTIVITY, NULL);
 252 }
 253
 254 gboolean
 255 empathy_connectivity_is_online (EmpathyConnectivity *connectivity)
 256 {
 257   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 258
 259   if (priv->use_conn)
 260     {
 261 #ifdef HAVE_NM
 262       return priv->connected;
 263 #else
 264       return TRUE;
 265 #endif
 266     }
 267   else
 268     {
 269       return TRUE;
 270     }
 271 }
 272
 273 gboolean
 274 empathy_connectivity_get_use_conn (EmpathyConnectivity *connectivity)
 275 {
 276   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 277
 278   return priv->use_conn;
 279 }
 280
 281 void
 282 empathy_connectivity_set_use_conn (EmpathyConnectivity *connectivity,
 283     gboolean use_conn)
 284 {
 285   EmpathyConnectivityPriv *priv = GET_PRIV (connectivity);
 286
 287   if (use_conn == priv->use_conn)
 288     return;
 289
 290   DEBUG ("use_conn gconf key changed; new value = %s",
 291       use_conn ? "true" : "false");
 292
 293   priv->use_conn = use_conn;
 294
 295 #ifdef HAVE_NM
 296   if (use_conn)
 297     {
 298       connectivity_nm_state_change_cb (priv->nm_client, NULL, connectivity);
 299 #else
 300   if (FALSE)
 301     {
 302 #endif
 303     }
 304   else
 305     {
 306       g_signal_emit (connectivity, signals[STATE_CHANGE], 0,
 307           FALSE, TRUE);
 308     }
 309
 310   g_object_notify (G_OBJECT (connectivity), "use-conn");
 311 }