libempathy/empathy-presence-manager.c

   1 /*
   2  * Copyright (C) 2007-2011 Collabora Ltd.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Xavier Claessens <xclaesse@gmail.com>
  19  */
  20
  21 #include "empathy-presence-manager.h"
  22
  23 #include <config.h>
  24
  25 #include <string.h>
  26
  27 #include <glib/gi18n-lib.h>
  28 #include <dbus/dbus-glib.h>
  29
  30 #include <telepathy-glib/account-manager.h>
  31 #include <telepathy-glib/dbus.h>
  32 #include <telepathy-glib/util.h>
  33
  34 #include "empathy-utils.h"
  35
  36 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  37 #include "empathy-debug.h"
  38
  39 /* Number of seconds before entering extended autoaway. */
  40 #define EXT_AWAY_TIME (30*60)
  41
  42 /* Number of seconds to consider an account in the "just connected" state
  43  * for. */
  44 #define ACCOUNT_IS_JUST_CONNECTED_SECONDS 10
  45
  46 struct _EmpathyPresenceManagerPrivate
  47 {
  48   DBusGProxy *gs_proxy;
  49
  50   gboolean ready;
  51
  52   TpConnectionPresenceType state;
  53   gchar *status;
  54   gboolean auto_away;
  55
  56   TpConnectionPresenceType away_saved_state;
  57
  58   gboolean is_idle;
  59   guint ext_away_timeout;
  60
  61   TpAccountManager *manager;
  62
  63   /* pointer to a TpAccount --> glong of time of connection */
  64   GHashTable *connect_times;
  65
  66   TpConnectionPresenceType requested_presence_type;
  67   gchar *requested_status_message;
  68 };
  69
  70 typedef enum
  71 {
  72   SESSION_STATUS_AVAILABLE,
  73   SESSION_STATUS_INVISIBLE,
  74   SESSION_STATUS_BUSY,
  75   SESSION_STATUS_IDLE,
  76   SESSION_STATUS_UNKNOWN
  77 } SessionStatus;
  78
  79 enum
  80 {
  81   PROP_0,
  82   PROP_STATE,
  83   PROP_STATUS,
  84   PROP_AUTO_AWAY
  85 };
  86
  87 G_DEFINE_TYPE (EmpathyPresenceManager, empathy_presence_manager, G_TYPE_OBJECT);
  88
  89 static EmpathyPresenceManager * singleton = NULL;
  90
  91 static const gchar *presence_type_to_status[NUM_TP_CONNECTION_PRESENCE_TYPES] =
  92 {
  93   NULL,
  94   "offline",
  95   "available",
  96   "away",
  97   "xa",
  98   "hidden",
  99   "busy",
 100   NULL,
 101   NULL,
 102 };
 103
 104 static void
 105 most_available_presence_changed (TpAccountManager *manager,
 106     TpConnectionPresenceType state,
 107     gchar *status,
 108     gchar *status_message,
 109     EmpathyPresenceManager *self)
 110 {
 111   if (state == TP_CONNECTION_PRESENCE_TYPE_UNSET)
 112     /* Assume our presence is offline if MC reports UNSET */
 113     state = TP_CONNECTION_PRESENCE_TYPE_OFFLINE;
 114
 115   DEBUG ("Presence changed to '%s' (%d) \"%s\"", status, state,
 116     status_message);
 117
 118   g_free (self->priv->status);
 119   self->priv->state = state;
 120   if (EMP_STR_EMPTY (status_message))
 121     self->priv->status = NULL;
 122   else
 123     self->priv->status = g_strdup (status_message);
 124
 125   g_object_notify (G_OBJECT (self), "state");
 126   g_object_notify (G_OBJECT (self), "status");
 127 }
 128
 129 static gboolean
 130 ext_away_cb (EmpathyPresenceManager *self)
 131 {
 132   DEBUG ("Going to extended autoaway");
 133   empathy_presence_manager_set_state (self,
 134       TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY);
 135   self->priv->ext_away_timeout = 0;
 136
 137   return FALSE;
 138 }
 139
 140 static void
 141 next_away_stop (EmpathyPresenceManager *self)
 142 {
 143   if (self->priv->ext_away_timeout)
 144     {
 145       g_source_remove (self->priv->ext_away_timeout);
 146       self->priv->ext_away_timeout = 0;
 147     }
 148 }
 149
 150 static void
 151 ext_away_start (EmpathyPresenceManager *self)
 152 {
 153   if (self->priv->ext_away_timeout != 0)
 154     return;
 155
 156   self->priv->ext_away_timeout = g_timeout_add_seconds (EXT_AWAY_TIME,
 157       (GSourceFunc) ext_away_cb, self);
 158 }
 159
 160 static void
 161 session_status_changed_cb (DBusGProxy *gs_proxy,
 162     SessionStatus status,
 163     EmpathyPresenceManager *self)
 164 {
 165   gboolean is_idle;
 166
 167   is_idle = (status == SESSION_STATUS_IDLE);
 168
 169   DEBUG ("Session idle state changed, %s -> %s",
 170     self->priv->is_idle ? "yes" : "no",
 171     is_idle ? "yes" : "no");
 172
 173   if (!self->priv->auto_away ||
 174       (self->priv->state <= TP_CONNECTION_PRESENCE_TYPE_OFFLINE ||
 175         self->priv->state == TP_CONNECTION_PRESENCE_TYPE_HIDDEN))
 176     {
 177       /* We don't want to go auto away OR we explicitely asked to be
 178        * offline, nothing to do here */
 179       self->priv->is_idle = is_idle;
 180       return;
 181     }
 182
 183   if (is_idle && !self->priv->is_idle)
 184     {
 185       TpConnectionPresenceType new_state;
 186       /* We are now idle */
 187
 188       ext_away_start (self);
 189
 190       self->priv->away_saved_state = self->priv->state;
 191
 192     new_state = TP_CONNECTION_PRESENCE_TYPE_AWAY;
 193     if (self->priv->state == TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY)
 194       new_state = TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY;
 195
 196     DEBUG ("Going to autoaway. Saved state=%d, new state=%d",
 197       self->priv->away_saved_state, new_state);
 198     empathy_presence_manager_set_state (self, new_state);
 199   }
 200   else if (!is_idle && self->priv->is_idle)
 201     {
 202       /* We are no more idle, restore state */
 203
 204       next_away_stop (self);
 205
 206       /* Only try and set the presence if the away saved state is not
 207        * unset. This is an odd case because it means that the session
 208        * didn't notify us of the state change to idle, and as a
 209        * result, we couldn't save the current state at that time.
 210        */
 211       if (self->priv->away_saved_state != TP_CONNECTION_PRESENCE_TYPE_UNSET)
 212         {
 213           DEBUG ("Restoring state to %d",
 214             self->priv->away_saved_state);
 215
 216           empathy_presence_manager_set_state (self,
 217               self->priv->away_saved_state);
 218         }
 219       else
 220         {
 221           DEBUG ("Away saved state is unset. This means that we "
 222                  "weren't told when the session went idle. "
 223                  "As a result, I'm not trying to set presence");
 224         }
 225
 226       self->priv->away_saved_state = TP_CONNECTION_PRESENCE_TYPE_UNSET;
 227     }
 228
 229   self->priv->is_idle = is_idle;
 230 }
 231
 232 static void
 233 presence_manager_dispose (GObject *object)
 234 {
 235   EmpathyPresenceManager *self = (EmpathyPresenceManager *) object;
 236
 237   tp_clear_object (&self->priv->gs_proxy);
 238   tp_clear_object (&self->priv->manager);
 239
 240   tp_clear_pointer (&self->priv->connect_times, g_hash_table_unref);
 241
 242   next_away_stop (EMPATHY_PRESENCE_MANAGER (object));
 243
 244   G_OBJECT_CLASS (empathy_presence_manager_parent_class)->dispose (object);
 245 }
 246
 247 static void
 248 presence_manager_finalize (GObject *object)
 249 {
 250   EmpathyPresenceManager *self = (EmpathyPresenceManager *) object;
 251
 252   g_free (self->priv->status);
 253   g_free (self->priv->requested_status_message);
 254
 255   G_OBJECT_CLASS (empathy_presence_manager_parent_class)->finalize (object);
 256 }
 257
 258 static GObject *
 259 presence_manager_constructor (GType type,
 260     guint n_props,
 261     GObjectConstructParam *props)
 262 {
 263   GObject *retval;
 264
 265   if (singleton)
 266     {
 267       retval = g_object_ref (singleton);
 268     }
 269   else
 270     {
 271       retval = G_OBJECT_CLASS (empathy_presence_manager_parent_class)->
 272         constructor (type, n_props, props);
 273
 274       singleton = EMPATHY_PRESENCE_MANAGER (retval);
 275       g_object_add_weak_pointer (retval, (gpointer) &singleton);
 276   }
 277
 278   return retval;
 279 }
 280
 281 static const gchar *
 282 empathy_presence_manager_get_status (EmpathyPresenceManager *self)
 283 {
 284   if (G_UNLIKELY (!self->priv->ready))
 285     g_critical (G_STRLOC ": %s called before AccountManager ready",
 286         G_STRFUNC);
 287
 288   if (!self->priv->status)
 289     return empathy_presence_get_default_message (self->priv->state);
 290
 291   return self->priv->status;
 292 }
 293
 294 static void
 295 presence_manager_get_property (GObject *object,
 296     guint param_id,
 297     GValue *value,
 298     GParamSpec *pspec)
 299 {
 300   EmpathyPresenceManager *self = EMPATHY_PRESENCE_MANAGER (object);
 301
 302   switch (param_id)
 303     {
 304       case PROP_STATE:
 305         g_value_set_enum (value, empathy_presence_manager_get_state (self));
 306         break;
 307       case PROP_STATUS:
 308         g_value_set_string (value, empathy_presence_manager_get_status (self));
 309         break;
 310       case PROP_AUTO_AWAY:
 311         g_value_set_boolean (value,
 312             empathy_presence_manager_get_auto_away (self));
 313         break;
 314       default:
 315         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 316         break;
 317     };
 318 }
 319
 320 static void
 321 presence_manager_set_property (GObject *object,
 322     guint param_id,
 323     const GValue *value,
 324     GParamSpec *pspec)
 325 {
 326   EmpathyPresenceManager *self = EMPATHY_PRESENCE_MANAGER (object);
 327
 328   switch (param_id)
 329     {
 330       case PROP_STATE:
 331         empathy_presence_manager_set_state (self, g_value_get_enum (value));
 332         break;
 333       case PROP_STATUS:
 334         empathy_presence_manager_set_status (self, g_value_get_string (value));
 335         break;
 336       case PROP_AUTO_AWAY:
 337         empathy_presence_manager_set_auto_away (self,
 338             g_value_get_boolean (value));
 339         break;
 340       default:
 341         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 342         break;
 343     };
 344 }
 345
 346 static void
 347 empathy_presence_manager_class_init (EmpathyPresenceManagerClass *klass)
 348 {
 349   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 350
 351   object_class->dispose = presence_manager_dispose;
 352   object_class->finalize = presence_manager_finalize;
 353   object_class->constructor = presence_manager_constructor;
 354   object_class->get_property = presence_manager_get_property;
 355   object_class->set_property = presence_manager_set_property;
 356
 357   g_object_class_install_property (object_class,
 358       PROP_STATE,
 359       g_param_spec_uint ("state", "state", "state",
 360         0, NUM_TP_CONNECTION_PRESENCE_TYPES,
 361         TP_CONNECTION_PRESENCE_TYPE_UNSET,
 362         G_PARAM_READWRITE));
 363
 364   g_object_class_install_property (object_class,
 365       PROP_STATUS,
 366       g_param_spec_string ("status","status", "status",
 367         NULL,
 368         G_PARAM_READWRITE));
 369
 370    g_object_class_install_property (object_class,
 371        PROP_AUTO_AWAY,
 372        g_param_spec_boolean ("auto-away", "Automatic set presence to away",
 373          "Should it set presence to away if inactive",
 374          FALSE,
 375          G_PARAM_READWRITE));
 376
 377   g_type_class_add_private (object_class,
 378       sizeof (EmpathyPresenceManagerPrivate));
 379 }
 380
 381 static void
 382 account_status_changed_cb (TpAccount  *account,
 383     guint old_status,
 384     guint new_status,
 385     guint reason,
 386     gchar *dbus_error_name,
 387     GHashTable *details,
 388     gpointer user_data)
 389 {
 390   EmpathyPresenceManager *self = EMPATHY_PRESENCE_MANAGER (user_data);
 391   GTimeVal val;
 392
 393   if (new_status == TP_CONNECTION_STATUS_CONNECTED)
 394     {
 395       g_get_current_time (&val);
 396       g_hash_table_insert (self->priv->connect_times, account,
 397                GINT_TO_POINTER (val.tv_sec));
 398     }
 399   else if (new_status == TP_CONNECTION_STATUS_DISCONNECTED)
 400     {
 401       g_hash_table_remove (self->priv->connect_times, account);
 402     }
 403 }
 404
 405 static void
 406 account_manager_ready_cb (GObject *source_object,
 407         GAsyncResult *result,
 408         gpointer user_data)
 409 {
 410   EmpathyPresenceManager *self = user_data;
 411   TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
 412   TpConnectionPresenceType state;
 413   gchar *status, *status_message;
 414   GList *accounts, *l;
 415   GError *error = NULL;
 416
 417   /* In case we've been finalized before reading this callback */
 418   if (singleton == NULL)
 419     return;
 420
 421   self->priv->ready = TRUE;
 422
 423   if (!tp_proxy_prepare_finish (account_manager, result, &error))
 424     {
 425       DEBUG ("Failed to prepare account manager: %s", error->message);
 426       g_error_free (error);
 427       return;
 428     }
 429
 430   state = tp_account_manager_get_most_available_presence (self->priv->manager,
 431     &status, &status_message);
 432
 433   most_available_presence_changed (account_manager, state, status,
 434     status_message, self);
 435
 436   accounts = tp_account_manager_get_valid_accounts (self->priv->manager);
 437   for (l = accounts; l != NULL; l = l->next)
 438     {
 439       tp_g_signal_connect_object (l->data, "status-changed",
 440           G_CALLBACK (account_status_changed_cb), self, 0);
 441     }
 442   g_list_free (accounts);
 443
 444   g_free (status);
 445   g_free (status_message);
 446 }
 447
 448 static void
 449 empathy_presence_manager_init (EmpathyPresenceManager *self)
 450 {
 451   TpDBusDaemon *dbus;
 452
 453   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
 454       EMPATHY_TYPE_PRESENCE_MANAGER, EmpathyPresenceManagerPrivate);
 455
 456   self->priv->is_idle = FALSE;
 457
 458   self->priv->manager = tp_account_manager_dup ();
 459
 460   tp_proxy_prepare_async (self->priv->manager, NULL,
 461       account_manager_ready_cb, self);
 462
 463   tp_g_signal_connect_object (self->priv->manager,
 464       "most-available-presence-changed",
 465       G_CALLBACK (most_available_presence_changed), self, 0);
 466
 467   dbus = tp_dbus_daemon_dup (NULL);
 468
 469   self->priv->gs_proxy = dbus_g_proxy_new_for_name (
 470       tp_proxy_get_dbus_connection (dbus),
 471       "org.gnome.SessionManager",
 472       "/org/gnome/SessionManager/Presence",
 473       "org.gnome.SessionManager.Presence");
 474
 475   if (self->priv->gs_proxy)
 476     {
 477       dbus_g_proxy_add_signal (self->priv->gs_proxy, "StatusChanged",
 478           G_TYPE_UINT, G_TYPE_INVALID);
 479       dbus_g_proxy_connect_signal (self->priv->gs_proxy, "StatusChanged",
 480           G_CALLBACK (session_status_changed_cb),
 481           self, NULL);
 482     }
 483   else
 484     {
 485       DEBUG ("Failed to get gs proxy");
 486     }
 487
 488   g_object_unref (dbus);
 489
 490   self->priv->connect_times = g_hash_table_new (g_direct_hash, g_direct_equal);
 491 }
 492
 493 EmpathyPresenceManager *
 494 empathy_presence_manager_dup_singleton (void)
 495 {
 496   return g_object_new (EMPATHY_TYPE_PRESENCE_MANAGER, NULL);
 497 }
 498
 499 TpConnectionPresenceType
 500 empathy_presence_manager_get_state (EmpathyPresenceManager *self)
 501 {
 502   if (G_UNLIKELY (!self->priv->ready))
 503     g_critical (G_STRLOC ": %s called before AccountManager ready",
 504         G_STRFUNC);
 505
 506   return self->priv->state;
 507 }
 508
 509 void
 510 empathy_presence_manager_set_state (EmpathyPresenceManager *self,
 511     TpConnectionPresenceType state)
 512 {
 513   empathy_presence_manager_set_presence (self, state, self->priv->status);
 514 }
 515
 516 void
 517 empathy_presence_manager_set_status (EmpathyPresenceManager *self,
 518        const gchar *status)
 519 {
 520   empathy_presence_manager_set_presence (self, self->priv->state, status);
 521 }
 522
 523 static void
 524 empathy_presence_manager_do_set_presence (EmpathyPresenceManager *self,
 525     TpConnectionPresenceType status_type,
 526     const gchar *status_message)
 527 {
 528   const gchar *status;
 529
 530   g_assert (status_type > 0 && status_type < NUM_TP_CONNECTION_PRESENCE_TYPES);
 531
 532   status = presence_type_to_status[status_type];
 533
 534   g_return_if_fail (status != NULL);
 535
 536   /* We possibly should be sure that the account manager is prepared, but
 537    * sometimes this isn't possible, like when exiting. In other words,
 538    * we need a callback to empathy_presence_manager_set_presence to be sure the
 539    * presence is set on all accounts successfully.
 540    * However, in practice, this is fine as we've already prepared the
 541    * account manager here in _init. */
 542   tp_account_manager_set_all_requested_presences (self->priv->manager,
 543     status_type, status, status_message);
 544 }
 545
 546 void
 547 empathy_presence_manager_set_presence (EmpathyPresenceManager *self,
 548     TpConnectionPresenceType state,
 549     const gchar *status)
 550 {
 551   const gchar     *default_status;
 552
 553   DEBUG ("Changing presence to %s (%d)", status, state);
 554
 555   g_free (self->priv->requested_status_message);
 556   self->priv->requested_presence_type = state;
 557   self->priv->requested_status_message = g_strdup (status);
 558
 559   /* Do not set translated default messages */
 560   default_status = empathy_presence_get_default_message (state);
 561   if (!tp_strdiff (status, default_status))
 562     status = NULL;
 563
 564   empathy_presence_manager_do_set_presence (self, state, status);
 565 }
 566
 567 gboolean
 568 empathy_presence_manager_get_auto_away (EmpathyPresenceManager *self)
 569 {
 570   return self->priv->auto_away;
 571 }
 572
 573 void
 574 empathy_presence_manager_set_auto_away (EmpathyPresenceManager *self,
 575           gboolean     auto_away)
 576 {
 577   self->priv->auto_away = auto_away;
 578
 579   g_object_notify (G_OBJECT (self), "auto-away");
 580 }
 581
 582 TpConnectionPresenceType
 583 empathy_presence_manager_get_requested_presence (EmpathyPresenceManager *self,
 584     gchar **status,
 585     gchar **status_message)
 586 {
 587   if (status != NULL)
 588     *status = g_strdup (presence_type_to_status[
 589         self->priv->requested_presence_type]);
 590
 591   if (status_message != NULL)
 592     *status_message = g_strdup (self->priv->requested_status_message);
 593
 594   return self->priv->requested_presence_type;
 595 }
 596
 597 /* This function returns %TRUE if EmpathyPresenceManager considers the account
 598  * @account as having just connected recently. Otherwise, it returns
 599  * %FALSE. In doubt, %FALSE is returned. */
 600 gboolean
 601 empathy_presence_manager_account_is_just_connected (
 602     EmpathyPresenceManager *self,
 603     TpAccount *account)
 604 {
 605   GTimeVal val;
 606   gpointer ptr;
 607   glong t;
 608
 609   if (tp_account_get_connection_status (account, NULL)
 610       != TP_CONNECTION_STATUS_CONNECTED)
 611     return FALSE;
 612
 613   ptr = g_hash_table_lookup (self->priv->connect_times, account);
 614
 615   if (ptr == NULL)
 616     return FALSE;
 617
 618   t = GPOINTER_TO_INT (ptr);
 619
 620   g_get_current_time (&val);
 621
 622   return (val.tv_sec - t) < ACCOUNT_IS_JUST_CONNECTED_SECONDS;
 623 }