src/empathy-event-manager.c

   1 /*
   2  * Copyright (C) 2007-2008 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  *          Sjoerd Simons <sjoerd.simons@collabora.co.uk>
  20  */
  21
  22 #include <config.h>
  23
  24 #include <string.h>
  25 #include <glib/gi18n.h>
  26
  27 #include <telepathy-glib/util.h>
  28
  29 #include <libempathy/empathy-dispatcher.h>
  30 #include <libempathy/empathy-contact-factory.h>
  31 #include <libempathy/empathy-contact-manager.h>
  32 #include <libempathy/empathy-tp-chat.h>
  33 #include <libempathy/empathy-tp-call.h>
  34 #include <libempathy/empathy-utils.h>
  35
  36 #include <extensions/extensions.h>
  37
  38 #include <libempathy-gtk/empathy-images.h>
  39 #include <libempathy-gtk/empathy-contact-dialogs.h>
  40
  41 #include "empathy-event-manager.h"
  42 #include "empathy-tube-dispatch.h"
  43
  44 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  45 #include <libempathy/empathy-debug.h>
  46
  47 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyEventManager)
  48
  49 typedef struct {
  50   EmpathyEventManager *manager;
  51   EmpathyDispatchOperation *operation;
  52   gulong approved_handler;
  53   gulong claimed_handler;
  54   gulong invalidated_handler;
  55   /* Remove contact if applicable */
  56   EmpathyContact *contact;
  57   /* Tube dispatcher if applicable */
  58   EmpathyTubeDispatch *tube_dispatch;
  59   /* option signal handler */
  60   gulong handler;
  61 } EventManagerApproval;
  62
  63 typedef struct {
  64   EmpathyDispatcher *dispatcher;
  65   EmpathyContactManager *contact_manager;
  66   GSList *events;
  67   /* Ongoing approvals */
  68   GSList *approvals;
  69 } EmpathyEventManagerPriv;
  70
  71 typedef struct _EventPriv EventPriv;
  72 typedef void (*EventFunc) (EventPriv *event);
  73
  74 struct _EventPriv {
  75   EmpathyEvent public;
  76   EmpathyEventManager *manager;
  77   EventManagerApproval *approval;
  78   EventFunc func;
  79   gboolean inhibit;
  80   gpointer user_data;
  81 };
  82
  83 enum {
  84   EVENT_ADDED,
  85   EVENT_REMOVED,
  86   EVENT_UPDATED,
  87   LAST_SIGNAL
  88 };
  89
  90 static guint signals[LAST_SIGNAL];
  91
  92 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
  93
  94 static EmpathyEventManager * manager_singleton = NULL;
  95
  96 static EventManagerApproval *
  97 event_manager_approval_new (EmpathyEventManager *manager,
  98   EmpathyDispatchOperation *operation)
  99 {
 100   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 101   result->operation = g_object_ref (operation);
 102   result->manager = manager;
 103
 104   return result;
 105 }
 106
 107 static void
 108 event_manager_approval_free (EventManagerApproval *approval)
 109 {
 110   g_signal_handler_disconnect (approval->operation,
 111     approval->approved_handler);
 112   g_signal_handler_disconnect (approval->operation,
 113     approval->claimed_handler);
 114   g_signal_handler_disconnect (approval->operation,
 115     approval->invalidated_handler);
 116   g_object_unref (approval->operation);
 117
 118   if (approval->contact != NULL)
 119     g_object_unref (approval->contact);
 120
 121   if (approval->tube_dispatch != NULL)
 122     g_object_unref (approval->tube_dispatch);
 123
 124   g_slice_free (EventManagerApproval, approval);
 125 }
 126
 127 static void event_remove (EventPriv *event);
 128
 129 static void
 130 event_free (EventPriv *event)
 131 {
 132   g_free (event->public.icon_name);
 133   g_free (event->public.header);
 134   g_free (event->public.message);
 135
 136   if (event->public.contact)
 137     {
 138       g_object_unref (event->public.contact);
 139     }
 140
 141   g_slice_free (EventPriv, event);
 142 }
 143
 144 static void
 145 event_remove (EventPriv *event)
 146 {
 147   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 148
 149   DEBUG ("Removing event %p", event);
 150   priv->events = g_slist_remove (priv->events, event);
 151   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 152   event_free (event);
 153 }
 154
 155 static void
 156 event_manager_add (EmpathyEventManager *manager, EmpathyContact *contact,
 157   const gchar *icon_name, const gchar *header, const gchar *message,
 158   EventManagerApproval *approval, EventFunc func, gpointer user_data)
 159 {
 160   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 161   EventPriv               *event;
 162
 163   event = g_slice_new0 (EventPriv);
 164   event->public.contact = contact ? g_object_ref (contact) : NULL;
 165   event->public.icon_name = g_strdup (icon_name);
 166   event->public.header = g_strdup (header);
 167   event->public.message = g_strdup (message);
 168   event->inhibit = FALSE;
 169   event->func = func;
 170   event->user_data = user_data;
 171   event->manager = manager;
 172   event->approval = approval;
 173
 174   DEBUG ("Adding event %p", event);
 175   priv->events = g_slist_prepend (priv->events, event);
 176   g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 177 }
 178
 179 static void
 180 event_channel_process_func (EventPriv *event)
 181 {
 182   empathy_dispatch_operation_approve (event->approval->operation);
 183 }
 184
 185 static EventPriv *
 186 event_lookup_by_approval (EmpathyEventManager *manager,
 187   EventManagerApproval *approval)
 188 {
 189   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 190   GSList *l;
 191   EventPriv *retval = NULL;
 192
 193   for (l = priv->events; l; l = l->next)
 194     {
 195       EventPriv *event = l->data;
 196
 197       if (event->approval == approval)
 198         {
 199           retval = event;
 200         }
 201     }
 202
 203   return retval;
 204 }
 205
 206 static void
 207 event_update (EmpathyEventManager *manager, EventPriv *event,
 208   const char *icon_name, const char *header, const char *msg)
 209 {
 210   g_free (event->public.icon_name);
 211   g_free (event->public.header);
 212   g_free (event->public.message);
 213
 214   event->public.icon_name = g_strdup (icon_name);
 215   event->public.header = g_strdup (header);
 216   event->public.message = g_strdup (msg);
 217
 218   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 219 }
 220
 221 static void
 222 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 223   EmpathyMessage *message, EventManagerApproval *approval)
 224 {
 225   EmpathyContact  *sender;
 226   gchar           *header;
 227   const gchar     *msg;
 228   TpChannel       *channel;
 229   EventPriv       *event;
 230
 231   /* try to update the event if it's referring to a chat which is already in the
 232    * queue. */
 233   event = event_lookup_by_approval (approval->manager, approval);
 234
 235   if (event != NULL && event->inhibit)
 236     {
 237       g_signal_handlers_disconnect_by_func (tp_chat,
 238         event_manager_chat_message_received_cb, approval);
 239       return;
 240     }
 241
 242   sender = empathy_message_get_sender (message);
 243   header = g_strdup_printf (_("New message from %s"),
 244                             empathy_contact_get_name (sender));
 245   msg = empathy_message_get_body (message);
 246
 247   channel = empathy_tp_chat_get_channel (tp_chat);
 248
 249   if (event != NULL)
 250     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header, msg);
 251   else
 252     event_manager_add (approval->manager, sender, EMPATHY_IMAGE_NEW_MESSAGE, header,
 253       msg, approval, event_channel_process_func, NULL);
 254
 255   g_free (header);
 256 }
 257
 258 static void
 259 event_manager_approval_done (EventManagerApproval *approval)
 260 {
 261   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 262   GSList                  *l;
 263
 264   priv->approvals = g_slist_remove (priv->approvals, approval);
 265
 266   for (l = priv->events; l; l = l->next)
 267     {
 268       EventPriv *event = l->data;
 269
 270       if (event->approval == approval)
 271         {
 272           event_remove (event);
 273           break;
 274         }
 275     }
 276
 277   event_manager_approval_free (approval);
 278 }
 279
 280 static void
 281 event_manager_operation_approved_cb (EmpathyDispatchOperation *operation,
 282   EventManagerApproval *approval)
 283 {
 284   event_manager_approval_done (approval);
 285 }
 286
 287 static void
 288 event_manager_operation_claimed_cb (EmpathyDispatchOperation *operation,
 289   EventManagerApproval *approval)
 290 {
 291   event_manager_approval_done (approval);
 292 }
 293
 294 static void
 295 event_manager_operation_invalidated_cb (EmpathyDispatchOperation *operation,
 296   guint domain, gint code, gchar *message,
 297   EventManagerApproval *approval)
 298 {
 299   event_manager_approval_done (approval);
 300 }
 301
 302 static void
 303 event_manager_media_channel_got_name_cb (EmpathyContact *contact,
 304   const GError *error, gpointer user_data, GObject *object)
 305 {
 306   EventManagerApproval *approval = user_data;
 307   gchar *header;
 308
 309   if (error != NULL)
 310     {
 311       /* FIXME just returning assuming the operation will be invalidated as
 312        * well */
 313       return;
 314     }
 315
 316   header = g_strdup_printf (_("Incoming call from %s"),
 317     empathy_contact_get_name (contact));
 318
 319   event_manager_add (approval->manager,
 320     approval->contact, EMPATHY_IMAGE_VOIP, header, NULL,
 321     approval, event_channel_process_func, NULL);
 322
 323   g_free (header);
 324 }
 325
 326 static void
 327 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 328 {
 329   empathy_contact_call_when_ready (approval->contact,
 330      EMPATHY_CONTACT_READY_NAME, event_manager_media_channel_got_name_cb,
 331         approval, NULL, G_OBJECT (approval->manager));
 332 }
 333
 334 static void
 335 event_manager_media_channel_contact_changed_cb (EmpathyTpCall *call,
 336   GParamSpec *param, EventManagerApproval *approval)
 337 {
 338   EmpathyContact *contact;
 339
 340   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 341
 342   if (contact == NULL)
 343     return;
 344
 345   approval->contact = contact;
 346   event_manager_media_channel_got_contact (approval);
 347 }
 348
 349 static void
 350 event_manager_tube_approved_cb (EventPriv *event)
 351 {
 352   empathy_tube_dispatch_handle (event->approval->tube_dispatch);
 353 }
 354
 355 static void
 356 event_manager_add_tube_approval (EventManagerApproval *approval,
 357   EmpathyTubeDispatchAbility ability)
 358 {
 359   const gchar *icon_name;
 360   gchar       *header;
 361   const gchar *msg;
 362
 363   header = g_strdup_printf (_("%s is offering you an invitation"),
 364     empathy_contact_get_name (approval->contact));
 365
 366   if (ability == EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE)
 367     {
 368       icon_name = GTK_STOCK_EXECUTE;
 369       msg = _("An external application will be started to handle it.");
 370     }
 371   else
 372     {
 373       icon_name = GTK_STOCK_DIALOG_ERROR;
 374       msg = _("You don't have the needed external "
 375               "application to handle it.");
 376     }
 377
 378   event_manager_add (approval->manager, approval->contact, icon_name, header,
 379     msg, approval, event_manager_tube_approved_cb, approval);
 380
 381   g_free (header);
 382 }
 383
 384 static void
 385 event_manager_tube_dispatch_ability_cb (GObject *object,
 386    GParamSpec *spec, gpointer user_data)
 387 {
 388   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 389   EmpathyTubeDispatchAbility dispatchability;
 390
 391   dispatchability =
 392     empathy_tube_dispatch_is_dispatchable (approval->tube_dispatch);
 393
 394   if (dispatchability != EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN)
 395     {
 396       event_manager_add_tube_approval (approval, dispatchability);
 397       g_signal_handler_disconnect (object, approval->handler);
 398       approval->handler = 0;
 399     }
 400 }
 401
 402 static void
 403 event_manager_tube_got_contact_name_cb (EmpathyContact *contact,
 404   const GError *error, gpointer user_data, GObject *object)
 405 {
 406   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 407   EmpathyTubeDispatchAbility dispatchability;
 408
 409   if (error != NULL)
 410     {
 411       /* FIXME?, we assume that the operation gets invalidated as well (if it
 412        * didn't already */
 413        return;
 414     }
 415
 416   dispatchability = empathy_tube_dispatch_is_dispatchable
 417     (approval->tube_dispatch);
 418
 419
 420   switch (dispatchability)
 421     {
 422       case EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN:
 423         approval->handler = g_signal_connect (approval->tube_dispatch,
 424           "notify::dispatchability",
 425           G_CALLBACK (event_manager_tube_dispatch_ability_cb), approval);
 426         break;
 427       case EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE:
 428         /* fallthrough */
 429       case EMPATHY_TUBE_DISPATCHABILITY_IMPOSSIBLE:
 430         event_manager_add_tube_approval (approval, dispatchability);
 431         break;
 432     }
 433 }
 434
 435 static void
 436 event_manager_approve_channel_cb (EmpathyDispatcher *dispatcher,
 437   EmpathyDispatchOperation  *operation, EmpathyEventManager *manager)
 438 {
 439   const gchar *channel_type;
 440   EventManagerApproval *approval;
 441   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 442
 443   channel_type = empathy_dispatch_operation_get_channel_type (operation);
 444
 445   approval = event_manager_approval_new (manager, operation);
 446   priv->approvals = g_slist_prepend (priv->approvals, approval);
 447
 448   approval->approved_handler = g_signal_connect (operation, "approved",
 449     G_CALLBACK (event_manager_operation_approved_cb), approval);
 450
 451   approval->claimed_handler = g_signal_connect (operation, "claimed",
 452      G_CALLBACK (event_manager_operation_claimed_cb), approval);
 453
 454   approval->invalidated_handler = g_signal_connect (operation, "invalidated",
 455      G_CALLBACK (event_manager_operation_invalidated_cb), approval);
 456
 457   if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TEXT))
 458     {
 459       EmpathyTpChat *tp_chat =
 460         EMPATHY_TP_CHAT (
 461           empathy_dispatch_operation_get_channel_wrapper (operation));
 462
 463       g_signal_connect (tp_chat, "message-received",
 464         G_CALLBACK (event_manager_chat_message_received_cb), approval);
 465
 466     }
 467   else if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA))
 468     {
 469       EmpathyContact *contact;
 470       EmpathyTpCall *call = EMPATHY_TP_CALL (
 471           empathy_dispatch_operation_get_channel_wrapper (operation));
 472
 473       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 474
 475       if (contact == NULL)
 476         {
 477           g_signal_connect (call, "notify::contact",
 478             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 479             approval);
 480         }
 481       else
 482         {
 483           approval->contact = contact;
 484           event_manager_media_channel_got_contact (approval);
 485         }
 486
 487     }
 488   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER))
 489     {
 490       EmpathyContact        *contact;
 491       gchar                 *header;
 492       TpHandle               handle;
 493       McAccount             *account;
 494       EmpathyContactFactory *factory;
 495       TpChannel *channel = empathy_dispatch_operation_get_channel (operation);
 496
 497       factory = empathy_contact_factory_dup_singleton ();
 498       handle = tp_channel_get_handle (channel, NULL);
 499       account = empathy_channel_get_account (channel);
 500
 501       contact = empathy_contact_factory_get_from_handle (factory, account,
 502         handle);
 503
 504       empathy_contact_run_until_ready (contact,
 505         EMPATHY_CONTACT_READY_NAME, NULL);
 506
 507       header = g_strdup_printf (_("Incoming file transfer from %s"),
 508         empathy_contact_get_name (contact));
 509
 510       event_manager_add (manager, contact, EMPATHY_IMAGE_DOCUMENT_SEND,
 511         header, NULL, approval, event_channel_process_func, NULL);
 512
 513       g_object_unref (factory);
 514       g_object_unref (account);
 515       g_free (header);
 516     }
 517   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_STREAM_TUBE) ||
 518       !tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_DBUS_TUBE))
 519     {
 520       EmpathyContact        *contact;
 521       TpHandle               handle;
 522       TpHandleType           handle_type;
 523       McAccount             *account;
 524       EmpathyContactFactory *factory;
 525       EmpathyTubeDispatch *tube_dispatch;
 526       TpChannel *channel;
 527
 528       channel = empathy_dispatch_operation_get_channel (operation);
 529
 530       handle = tp_channel_get_handle (channel, &handle_type);
 531
 532       /* Only understand p2p tubes */
 533       if (handle_type != TP_HANDLE_TYPE_CONTACT)
 534         return;
 535
 536       factory = empathy_contact_factory_dup_singleton ();
 537       account = empathy_channel_get_account (channel);
 538
 539       contact = empathy_contact_factory_get_from_handle (factory, account,
 540         handle);
 541
 542       tube_dispatch = empathy_tube_dispatch_new (operation);
 543
 544       approval->contact = contact;
 545       approval->tube_dispatch = tube_dispatch;
 546
 547       empathy_contact_call_when_ready (contact,
 548         EMPATHY_CONTACT_READY_NAME, event_manager_tube_got_contact_name_cb,
 549         approval, NULL, G_OBJECT (manager));
 550
 551       g_object_unref (factory);
 552       g_object_unref (account);
 553     }
 554   else
 555     {
 556       DEBUG ("Unknown channel type, ignoring..");
 557     }
 558 }
 559
 560 static void
 561 event_pending_subscribe_func (EventPriv *event)
 562 {
 563   empathy_subscription_dialog_show (event->public.contact, NULL);
 564   event_remove (event);
 565 }
 566
 567 static void
 568 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 569   EmpathyContact *contact, EmpathyContact *actor,
 570   guint reason, gchar *message, gboolean is_pending,
 571   EmpathyEventManager *manager)
 572 {
 573   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 574   gchar                   *header, *event_msg;
 575
 576   if (!is_pending)
 577     {
 578       GSList *l;
 579
 580       for (l = priv->events; l; l = l->next)
 581         {
 582           EventPriv *event = l->data;
 583
 584       if (event->public.contact == contact &&
 585           event->func == event_pending_subscribe_func)
 586         {
 587           event_remove (event);
 588           break;
 589         }
 590       }
 591
 592       return;
 593     }
 594
 595   empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_NAME, NULL);
 596
 597   header = g_strdup_printf (_("Subscription requested by %s"),
 598     empathy_contact_get_name (contact));
 599
 600   if (!EMP_STR_EMPTY (message))
 601     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
 602   else
 603     event_msg = NULL;
 604
 605   event_manager_add (manager, contact, GTK_STOCK_DIALOG_QUESTION, header,
 606     event_msg, NULL, event_pending_subscribe_func, NULL);
 607
 608   g_free (event_msg);
 609   g_free (header);
 610 }
 611
 612 static GObject *
 613 event_manager_constructor (GType type,
 614                            guint n_props,
 615                            GObjectConstructParam *props)
 616 {
 617         GObject *retval;
 618
 619         if (manager_singleton) {
 620                 retval = g_object_ref (manager_singleton);
 621         } else {
 622                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
 623                         (type, n_props, props);
 624
 625                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
 626                 g_object_add_weak_pointer (retval, (gpointer *) &manager_singleton);
 627         }
 628
 629         return retval;
 630 }
 631
 632 static void
 633 event_manager_finalize (GObject *object)
 634 {
 635   EmpathyEventManagerPriv *priv = GET_PRIV (object);
 636
 637   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
 638   g_slist_free (priv->events);
 639   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
 640   g_slist_free (priv->approvals);
 641   g_object_unref (priv->contact_manager);
 642   g_object_unref (priv->dispatcher);
 643 }
 644
 645 static void
 646 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
 647 {
 648   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 649
 650   object_class->finalize = event_manager_finalize;
 651   object_class->constructor = event_manager_constructor;
 652
 653   signals[EVENT_ADDED] =
 654     g_signal_new ("event-added",
 655       G_TYPE_FROM_CLASS (klass),
 656       G_SIGNAL_RUN_LAST,
 657       0,
 658       NULL, NULL,
 659       g_cclosure_marshal_VOID__POINTER,
 660       G_TYPE_NONE,
 661       1, G_TYPE_POINTER);
 662
 663   signals[EVENT_REMOVED] =
 664   g_signal_new ("event-removed",
 665       G_TYPE_FROM_CLASS (klass),
 666       G_SIGNAL_RUN_LAST,
 667       0,
 668       NULL, NULL,
 669       g_cclosure_marshal_VOID__POINTER,
 670       G_TYPE_NONE, 1, G_TYPE_POINTER);
 671
 672   signals[EVENT_UPDATED] =
 673   g_signal_new ("event-updated",
 674       G_TYPE_FROM_CLASS (klass),
 675       G_SIGNAL_RUN_LAST,
 676       0,
 677       NULL, NULL,
 678       g_cclosure_marshal_VOID__POINTER,
 679       G_TYPE_NONE, 1, G_TYPE_POINTER);
 680
 681
 682   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
 683 }
 684
 685 static void
 686 empathy_event_manager_init (EmpathyEventManager *manager)
 687 {
 688   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
 689     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
 690
 691   manager->priv = priv;
 692
 693   priv->dispatcher = empathy_dispatcher_dup_singleton ();
 694   priv->contact_manager = empathy_contact_manager_dup_singleton ();
 695   g_signal_connect (priv->dispatcher, "approve",
 696     G_CALLBACK (event_manager_approve_channel_cb), manager);
 697   g_signal_connect (priv->contact_manager, "pendings-changed",
 698     G_CALLBACK (event_manager_pendings_changed_cb), manager);
 699 }
 700
 701 EmpathyEventManager *
 702 empathy_event_manager_dup_singleton (void)
 703 {
 704   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
 705 }
 706
 707 GSList *
 708 empathy_event_manager_get_events (EmpathyEventManager *manager)
 709 {
 710   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 711
 712   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
 713
 714   return priv->events;
 715 }
 716
 717 EmpathyEvent *
 718 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
 719 {
 720   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 721
 722   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
 723
 724   return priv->events ? priv->events->data : NULL;
 725 }
 726
 727 void
 728 empathy_event_activate (EmpathyEvent *event_public)
 729 {
 730   EventPriv *event = (EventPriv*) event_public;
 731
 732   g_return_if_fail (event_public != NULL);
 733
 734   if (event->func)
 735     event->func (event);
 736   else
 737     event_remove (event);
 738 }
 739
 740 void
 741 empathy_event_inhibit_updates (EmpathyEvent *event_public)
 742 {
 743   EventPriv *event = (EventPriv *) event_public;
 744
 745   g_return_if_fail (event_public != NULL);
 746
 747   event->inhibit = TRUE;
 748 }
 749